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| 2 | {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
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| 3 | º º
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| 4 | º Sibyl Portable Component Classes º
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| 5 | º º
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| 6 | º Copyright (C) 1995,97 SpeedSoft Germany, All rights reserved. º
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| 7 | º º
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| 8 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ}
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| 9 |
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| 10 | Unit ComCtrls;
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| 11 |
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| 12 |
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| 13 | Interface
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| 14 |
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| 15 | Uses Messages,Classes,Forms,Graphics,Buttons,ExtCtrls,Dos;
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| 16 |
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| 17 | Type
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| 18 | {$M+}
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| 19 | TProgressString=(psPercent,psCaption,psPosition);
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| 20 | TProgressOrigin=(poLeft,poRight,poBottom,poTop);
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| 21 | {$M-}
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| 22 |
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| 23 | TProgressBar=Class(TControl)
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| 24 | Protected
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| 25 | FBorderStyle:TBorderStyle;
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| 26 | FInterior:TRect;
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| 27 | FMin:LongInt;
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| 28 | FMax:LongInt;
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| 29 | FPosition:LongInt;
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| 30 | FBitmap:TBitmap;
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| 31 | FProgressString:TProgressString;
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| 32 | FOrigin:TProgressOrigin;
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| 33 | FOnChange:TNotifyEvent;
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| 34 | Procedure CMTextChanged(Var Msg:TMessage);Message CM_TEXTCHANGED;
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| 35 | Procedure SetBorderStyle(bs:TBorderStyle);
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| 36 | Procedure SetMin(lr:LongInt);
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| 37 | Procedure SetMax(hr:LongInt);
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| 38 | Procedure SetPosition(ps:LongInt);
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| 39 | Procedure SetProgressString(ps:TProgressString);
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| 40 | Procedure SetBitmap(NewBitmap:TBitmap);
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| 41 | Function GetBitmap:TBitmap;
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| 42 | Procedure SetOrigin(NewOrigin:TProgressOrigin);
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| 43 | Procedure DrawInterior(Const rec:TRect);
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| 44 | Protected
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| 45 | Procedure SetupComponent;Override;
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| 46 | Procedure SetupShow;Override;
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| 47 | Procedure Change;Virtual;
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| 48 | Public
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| 49 | Procedure Redraw(Const rec:TRect);Override;
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| 50 | Destructor Destroy;Override;
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| 51 | Procedure ReadSCUResource(Const ResName:TResourceName;Var Data;DataLen:LongInt);Override;
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| 52 | Function WriteSCUResource(Stream:TResourceStream):Boolean;Override;
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| 53 | Property XAlign;
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| 54 | Property XStretch;
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| 55 | Property YAlign;
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| 56 | Property YStretch;
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| 57 | Published
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| 58 | Property Align;
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| 59 | Property Color;
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| 60 | Property Bitmap:TBitmap Read GetBitmap Write SetBitmap;
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| 61 | Property BorderStyle:TBorderStyle Read FBorderStyle Write SetBorderStyle;
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| 62 | Property Caption;
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| 63 | Property PenColor;
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| 64 | Property DragCursor;
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| 65 | Property DragMode;
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| 66 | Property Enabled;
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| 67 | Property Font;
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| 68 | Property Max:LongInt Read FMax Write SetMax;
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| 69 | Property Min:LongInt Read FMin Write SetMin;
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| 70 | Property Origin:TProgressOrigin Read FOrigin Write SetOrigin;
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| 71 | Property ParentColor;
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| 72 | Property ParentPenColor;
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| 73 | Property ParentFont;
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| 74 | Property ParentShowHint;
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| 75 | Property ProgressString:TProgressString Read FProgressString Write SetProgressString;
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| 76 | Property Position:LongInt Read FPosition Write SetPosition;
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| 77 | Property ShowHint;
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| 78 | Property TabOrder;
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| 79 | Property TabStop;
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| 80 | Property Visible;
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| 81 | Property ZOrder;
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| 82 |
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| 83 | Property OnCanDrag;
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| 84 | Property OnChange:TNotifyEvent Read FOnChange Write FOnChange;
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| 85 | Property OnDragDrop;
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| 86 | Property OnDragOver;
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| 87 | Property OnEndDrag;
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| 88 | Property OnEnter;
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| 89 | Property OnExit;
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| 90 | Property OnFontChange;
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| 91 | Property OnMouseClick;
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| 92 | Property OnMouseDblClick;
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| 93 | Property OnMouseDown;
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| 94 | Property OnMouseMove;
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| 95 | Property OnMouseUp;
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| 96 | Property OnSetupShow;
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| 97 | Property OnStartDrag;
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| 98 | End;
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| 99 |
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| 100 |
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| 101 | {$M+}
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| 102 | TUDOrientation=(udHorizontal,udVertical);
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| 103 | TUDAlignButton=(udLeft,udRight,udBottom,udTop,udNone);
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| 104 | TUDBtnType=(btNext,btPrev);
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| 105 |
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| 106 | TOnUDChangingEvent=Procedure(Sender:TComponent;Var AllowChange:Boolean) Of Object;
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| 107 | TOnUDClickEvent=Procedure(Sender:TComponent;Button:TUDBtnType) Of Object;
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| 108 | {$M-}
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| 109 |
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| 110 | TUpDown=Class(TControl)
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| 111 | Protected
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| 112 | FArrowKeys:Boolean;
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| 113 | FIncrement:LongInt;
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| 114 | FMin:LongInt;
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| 115 | FMax:LongInt;
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| 116 | FOrientation:TUDOrientation;
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| 117 | FPosition:LongInt;
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| 118 | FThousands:Boolean;
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| 119 | FWrap:Boolean;
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| 120 | FAssociate:TControl;
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| 121 | FAlignButton:TUDAlignButton;
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| 122 | FUpRightButton:TSpeedButton;
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| 123 | FDownLeftButton:TSpeedButton;
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| 124 | FOnChanging:TOnUDChangingEvent;
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| 125 | FOnClick:TOnUDClickEvent;
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| 126 | Procedure SetAssociate(NewControl:TControl);
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| 127 | Procedure SetMin(NewValue:LongInt);
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| 128 | Procedure SetMax(NewValue:LongInt);
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| 129 | Procedure SetOrientation(NewValue:TUDOrientation);
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| 130 | Procedure SetPosition(NewValue:LongInt);
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| 131 | Procedure SetAlignButton(NewValue:TUDAlignButton);
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| 132 | Procedure AlignButtons;
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| 133 | Procedure EvButtonClick(Sender:TObject);
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| 134 | Protected
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| 135 | Procedure SetupComponent;Override;
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| 136 | Procedure SetupShow;Override;
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| 137 | Procedure Resize;Override;
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| 138 | Function CanChange:Boolean;Virtual;
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| 139 | Procedure Click(Button:TUDBtnType);Virtual;
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| 140 | Procedure Notification(AComponent:TComponent;Operation:TOperation);Override;
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| 141 | Public
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| 142 | Property XAlign;
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| 143 | Property XStretch;
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| 144 | Property YAlign;
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| 145 | Property YStretch;
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| 146 | Published
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| 147 | Property Align;
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| 148 | Property AlignButton:TUDAlignButton Read FAlignButton Write SetAlignButton;
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| 149 | Property ArrowKeys:Boolean Read FArrowKeys Write FArrowKeys;
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| 150 | Property Associate:TControl Read FAssociate Write SetAssociate;
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| 151 | Property PenColor;
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| 152 | Property DragCursor;
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| 153 | Property DragMode;
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| 154 | Property Enabled;
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| 155 | Property Increment:LongInt Read FIncrement Write FIncrement;
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| 156 | Property Max:LongInt Read FMax Write SetMax;
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| 157 | Property Min:LongInt Read FMin Write SetMin;
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| 158 | Property Orientation:TUDOrientation Read FOrientation Write SetOrientation;
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| 159 | Property ParentColor;
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| 160 | Property ParentPenColor;
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| 161 | Property ParentShowHint;
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| 162 | Property Position:LongInt Read FPosition Write SetPosition;
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| 163 | Property ShowHint;
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| 164 | Property TabOrder;
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| 165 | Property TabStop;
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| 166 | Property Thousands:Boolean Read FThousands Write FThousands;
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| 167 | Property Visible;
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| 168 | Property Wrap:Boolean Read FWrap Write FWrap;
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| 169 | Property ZOrder;
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| 170 |
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| 171 | Property OnCanDrag;
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| 172 | Property OnChanging:TOnUDChangingEvent Read FOnChanging Write FOnChanging;
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| 173 | Property OnClick:TOnUDClickEvent Read FOnClick Write FOnClick;
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| 174 | Property OnDragDrop;
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| 175 | Property OnDragOver;
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| 176 | Property OnEndDrag;
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| 177 | Property OnEnter;
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| 178 | Property OnExit;
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| 179 | Property OnMouseMove;
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| 180 | Property OnScan;
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| 181 | Property OnSetupShow;
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| 182 | Property OnStartDrag;
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| 183 | End;
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| 184 |
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| 185 |
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| 186 | {$M+}
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| 187 | TTrackBarOrientation=(trHorizontal,trVertical);
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| 188 | TTickMarks=(tmBoth,tmBottomRight,tmTopLeft);
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| 189 | TTickStyle=(tsAuto,tsManual,tsNone);
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| 190 | TTrackBarSelMode=(smManual,smAuto);
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| 191 | TTrackSliderShape=(tsArrow,tsBox);
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| 192 | TTrackSliderSize=(tssAuto,tssVeryLarge,tssLarge,tssMedium,tssSmall);
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| 193 | {$M-}
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| 194 |
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| 195 | TTrackBar=Class(TControl)
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| 196 | Protected
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| 197 | FPosition:LongInt;
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| 198 | FLineSize:LongInt;
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| 199 | FPageSize:LongInt;
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| 200 | FMax:LongInt;
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| 201 | FMin:LongInt;
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| 202 | FOrientation:TTrackBarOrientation;
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| 203 | FSelEnd:LongInt;
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| 204 | FSelStart:LongInt;
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| 205 | FTickMarks:TTickMarks;
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| 206 | FTickStyle:TTickStyle;
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| 207 | FFrequency:LongInt;
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| 208 | FTracking:Boolean;
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| 209 | FSelMode:TTrackBarSelMode;
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| 210 | FTickSize:LongInt;
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| 211 | FTrackTimer:TTimer;
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| 212 | FSliderShape:TTrackSliderShape;
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| 213 | FOnChange:TNotifyEvent;
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| 214 | FTicks:TList;
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| 215 | FUpdating:Boolean;
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| 216 | FShowFocusRect:Boolean;
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| 217 | FSliderSize:TTrackSliderSize;
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| 218 | Procedure SetMax(NewValue:LongInt);
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| 219 | Procedure SetMin(NewValue:LongInt);
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| 220 | Procedure SetOrientation(NewValue:TTrackBarOrientation);
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| 221 | Procedure SetPosition(NewValue:LongInt);
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| 222 | Procedure SetSelEnd(NewValue:LongInt);
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| 223 | Procedure SetSelStart(NewValue:LongInt);
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| 224 | Procedure SetTickMarks(NewValue:TTickMarks);
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| 225 | Procedure SetTickStyle(NewValue:TTickStyle);
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| 226 | Procedure SetFrequency(NewValue:LongInt);
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| 227 | Procedure SetSliderSize(NewSize:TTrackSliderSize);
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| 228 | Procedure SetSelMode(NewMode:TTrackBarSelMode);
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| 229 | Procedure DrawTrack(SliderW,SliderH:LongInt);
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| 230 | Procedure DrawSlider(SliderW,SliderH:LongInt);
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| 231 | Procedure GetSliderExtent(Var SliderWidth,SliderHeight:LongInt);
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| 232 | Function PosInsideSlider(X,Y:LongInt):Boolean;
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| 233 | Function PosInsideTrack(X,Y:LongInt):Boolean;
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| 234 | Procedure UpdateSlider;
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| 235 | Procedure EvTimer(Sender:TObject);
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| 236 | Protected
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| 237 | Procedure SetupComponent;Override;
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| 238 | Procedure MouseDown(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
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| 239 | Procedure MouseUp(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
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| 240 | Procedure MouseMove(ShiftState:TShiftState;X,Y:LongInt);Override;
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| 241 | Procedure MouseClick(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
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| 242 | Procedure MouseDblClick(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
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| 243 | Procedure SetFocus;Override;
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| 244 | Procedure KillFocus;Override;
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| 245 | Procedure ScanEvent(Var KeyCode:TKeyCode;RepeatCount:Byte);Override;
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| 246 | Procedure Change;Virtual;
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| 247 | Public
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| 248 | Destructor Destroy;Override;
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| 249 | Procedure Redraw(Const rec:TRect);Override;
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| 250 | Function CoordFromPos(Position:LongInt):LongInt;
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| 251 | Function PosFromCoord(Coord:LongInt):LongInt;
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| 252 | Procedure SetTick(Pos:LongInt);
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| 253 | Procedure ClearTicks;
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| 254 | Procedure BeginUpdate;
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| 255 | Procedure EndUpdate;
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| 256 | Property Tracking:Boolean Read FTracking;
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| 257 | Property XAlign;
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| 258 | Property XStretch;
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| 259 | Property YAlign;
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| 260 | Property YStretch;
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| 261 | Published
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| 262 | Property Align;
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| 263 | Property Color;
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| 264 | Property DragCursor;
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| 265 | Property DragMode;
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| 266 | Property Enabled;
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| 267 | Property Frequency:LongInt Read FFrequency Write SetFrequency;
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| 268 | Property LineSize:LongInt Read FLineSize Write FLineSize;
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| 269 | Property Max:LongInt Read FMax Write SetMax;
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| 270 | Property Min:LongInt Read FMin Write SetMin;
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| 271 | Property Orientation:TTrackBarOrientation Read FOrientation Write SetOrientation;
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| 272 | Property PageSize:LongInt Read FPageSize Write FPageSize;
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| 273 | Property ParentColor;
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| 274 | Property ParentShowHint;
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| 275 | Property PopupMenu;
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| 276 | Property Position:LongInt Read FPosition Write SetPosition;
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| 277 | Property SelEnd:LongInt Read FSelEnd Write SetSelEnd;
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| 278 | Property SelMode:TTrackBarSelMode Read FSelMode Write SetSelMode;
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| 279 | Property SelStart:LongInt Read FSelStart Write SetSelStart;
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| 280 | Property ShowFocusRect:Boolean Read FShowFocusRect Write FShowFocusRect;
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| 281 | Property ShowHint;
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| 282 | Property SliderSize:TTrackSliderSize Read FSliderSize Write SetSliderSize;
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| 283 | Property TabOrder;
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| 284 | Property TabStop;
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| 285 | Property TickMarks:TTickMarks Read FTickMarks Write SetTickMarks;
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| 286 | Property TickStyle:TTickStyle Read FTickStyle Write SetTickStyle;
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| 287 | Property Visible;
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| 288 | Property ZOrder;
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| 289 |
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| 290 | Property OnCanDrag;
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| 291 | Property OnChange:TNotifyEvent Read FOnChange Write FOnChange;
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| 292 | Property OnDragDrop;
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| 293 | Property OnDragOver;
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| 294 | Property OnEndDrag;
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| 295 | Property OnEnter;
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| 296 | Property OnExit;
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| 297 | Property OnMouseClick;
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| 298 | Property OnMouseDblClick;
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| 299 | Property OnMouseDown;
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| 300 | Property OnMouseMove;
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| 301 | Property OnMouseUp;
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| 302 | Property OnScan;
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| 303 | Property OnSetupShow;
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| 304 | Property OnStartDrag;
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| 305 | End;
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| 306 |
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| 307 | {$M+}
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| 308 | TStatusPanelStyle=(psText, psOwnerDraw);
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| 309 | TStatusPanelBevel=(pbNone, pbLowered, pbRaised);
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| 310 | {$M-}
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| 311 |
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| 312 | TStatusPanel=Class(TCollectionItem)
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| 313 | Protected
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| 314 | FText:PString;
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| 315 | FWidth:LongInt;
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| 316 | FAlignment:TAlignment;
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| 317 | FBevel:TStatusPanelBevel;
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| 318 | FStyle:TStatusPanelStyle;
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| 319 | Protected
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| 320 | Function GetText:String;
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| 321 | Procedure SetText(Const NewValue:String);
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| 322 | Procedure SetWidth(NewValue:LongInt);
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| 323 | Procedure SetAlignment(NewValue:TAlignment);
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| 324 | Procedure SetBevel(NewValue:TStatusPanelBevel);
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| 325 | Procedure SetStyle(NewValue:TStatusPanelStyle);
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| 326 | Public
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| 327 | Constructor Create(ACollection:TCollection);Override;
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| 328 | Destructor Destroy;Override;
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| 329 | Procedure Assign(Source:TCollectionItem);Override;
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| 330 | Published
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| 331 | Property Text:String Read GetText Write SetText;
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| 332 | Property Width:LongInt Read FWidth Write SetWidth;
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| 333 | Property Alignment:TAlignment Read FAlignment Write SetAlignment;
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| 334 | Property Bevel:TStatusPanelBevel Read FBevel Write SetBevel;
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| 335 | Property Style:TStatusPanelStyle Read FStyle Write SetStyle;
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| 336 | End;
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| 337 |
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| 338 | TStatusBar=Class;
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| 339 |
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| 340 | {$HINTS OFF}
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| 341 | TStatusPanels=Class(TCollection)
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| 342 | Protected
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| 343 | FStatusBar:TStatusBar;
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| 344 | Function GetItem(Index:LongInt):TStatusPanel;
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| 345 | Procedure SetItem(Index:LongInt;Value:TStatusPanel);
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| 346 | Public
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| 347 | Procedure Update(Item:TCollectionItem);Override;
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| 348 | Procedure SetupComponent;Override;
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| 349 | Function Add:TStatusPanel;
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| 350 | Public
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| 351 | Property Items[Index:LongInt]:TStatusPanel Read GetItem Write SetItem;Default;
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| 352 | Property StatusBar:TStatusBar Read FStatusBar;
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| 353 | End;
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| 354 | {$HINTS ON}
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| 355 |
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| 356 | {$M+}
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| 357 | TDrawPanelEvent=Procedure(StatusBar:TStatusBar;Panel:TStatusPanel;Const rc:TRect) Of Object;
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| 358 | {$M-}
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| 359 |
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| 360 | TStatusBar=Class(TBevel)
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| 361 | Protected
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| 362 | FSimpleText:String;
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| 363 | FSimplePanel:Boolean;
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| 364 | FPanels:TStatusPanels;
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| 365 | FSizeGrip:Boolean;
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| 366 | FSpacing:LongInt;
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| 367 | FOnDrawPanel:TDrawPanelEvent;
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| 368 | Procedure SetSimpleText(Const NewText:String);
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| 369 | Procedure SetSimplePanel(NewValue:Boolean);
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| 370 | Procedure SetPanels(NewValue:TStatusPanels);
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| 371 | Procedure SetSizeGrip(NewValue:Boolean);
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| 372 | Procedure UpdatePanel(Panel:TStatusPanel);
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| 373 | Procedure SetSpacing(NewValue:LongInt);
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| 374 | Property Shape;
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| 375 | Protected
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| 376 | Procedure SetupComponent;Override;
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| 377 | Destructor Destroy;Override;
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| 378 | Procedure DrawPanel(Panel:TStatusPanel;Const rc:TRect);Virtual;
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| 379 | Function IsPointOnSizeGrip(X,Y:longint):Boolean;
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| 380 | Procedure MouseDown(Button:TMouseButton;
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| 381 | ShiftState:TShiftState;
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| 382 | X,Y:LongInt);Override;
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| 383 | Procedure MouseMove(ShiftState:TShiftState;
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| 384 | X,Y:LongInt);Override;
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| 385 | Public
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| 386 | Procedure Redraw(Const rec:TRect);Override;
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| 387 | Procedure ReadSCUResource(Const ResName:TResourceName;Var Data;DataLen:LongInt);Override;
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| 388 | Function WriteSCUResource(Stream:TResourceStream):Boolean;Override;
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| 389 | Published
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| 390 | Property Color;
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| 391 | Property PenColor;
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| 392 | Property DragCursor;
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| 393 | Property DragMode;
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| 394 | Property Enabled;
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| 395 | Property Font;
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| 396 | Property ParentColor;
|
|---|
| 397 | Property ParentPenColor;
|
|---|
| 398 | Property ParentFont;
|
|---|
| 399 | Property ParentShowHint;
|
|---|
| 400 | Property ShowHint;
|
|---|
| 401 | Property TabOrder;
|
|---|
| 402 | Property TabStop;
|
|---|
| 403 | Property Visible;
|
|---|
| 404 | Property ZOrder;
|
|---|
| 405 |
|
|---|
| 406 | Property OnCanDrag;
|
|---|
| 407 | Property OnDragDrop;
|
|---|
| 408 | Property OnDragOver;
|
|---|
| 409 | Property OnEndDrag;
|
|---|
| 410 | Property OnEnter;
|
|---|
| 411 | Property OnExit;
|
|---|
| 412 | Property OnFontChange;
|
|---|
| 413 | Property OnMouseClick;
|
|---|
| 414 | Property OnMouseDblClick;
|
|---|
| 415 | Property OnMouseDown;
|
|---|
| 416 | Property OnMouseMove;
|
|---|
| 417 | Property OnMouseUp;
|
|---|
| 418 | Property OnSetupShow;
|
|---|
| 419 | Property OnStartDrag;
|
|---|
| 420 | Property OnClick;
|
|---|
| 421 | Property OnDblClick;
|
|---|
| 422 | Property Panels:TStatusPanels Read FPanels Write SetPanels;
|
|---|
| 423 | Property SimpleText:String Read FSimpleText Write SetSimpleText;
|
|---|
| 424 | Property SimplePanel:Boolean Read FSimplePanel Write SetSimplePanel;
|
|---|
| 425 | Property SizeGrip:Boolean Read FSizeGrip Write SetSizeGrip;
|
|---|
| 426 | Property OnDrawPanel:TDrawPanelEvent Read FOnDrawPanel Write FOnDrawPanel;
|
|---|
| 427 | Property Spacing:LongInt Read FSpacing Write SetSpacing;
|
|---|
| 428 | End;
|
|---|
| 429 |
|
|---|
| 430 | THeaderControl=Class;
|
|---|
| 431 |
|
|---|
| 432 | {$M+}
|
|---|
| 433 | THeaderSectionStyle=(hsText,hsOwnerDraw);
|
|---|
| 434 | {$M-}
|
|---|
| 435 |
|
|---|
| 436 | THeaderSection=Class(TCollectionItem)
|
|---|
| 437 | Protected
|
|---|
| 438 | FText:PString;
|
|---|
| 439 | FWidth:LongInt;
|
|---|
| 440 | FMinWidth:LongInt;
|
|---|
| 441 | FMaxWidth:LongInt;
|
|---|
| 442 | FAlignment:TAlignment;
|
|---|
| 443 | FStyle:THeaderSectionStyle;
|
|---|
| 444 | FAllowClick:Boolean;
|
|---|
| 445 | FAllowSize:Boolean;
|
|---|
| 446 | Protected
|
|---|
| 447 | Function GetText:String;
|
|---|
| 448 | Procedure SetText(Const NewValue:String);
|
|---|
| 449 | Procedure SetWidth(NewValue:LongInt);
|
|---|
| 450 | Function GetLeft:LongInt;
|
|---|
| 451 | Function GetRight:LongInt;
|
|---|
| 452 | Procedure SetStyle(NewValue:THeaderSectionStyle);
|
|---|
| 453 | Procedure SetAlignment(NewValue:TAlignment);
|
|---|
| 454 | Procedure SetMaxWidth(NewValue:LongInt);
|
|---|
| 455 | Procedure SetMinWidth(NewValue:LongInt);
|
|---|
| 456 | Public
|
|---|
| 457 | Constructor Create(ACollection:TCollection);Override;
|
|---|
| 458 | Destructor Destroy;Override;
|
|---|
| 459 | Procedure Assign(Source:TCollectionItem);Override;
|
|---|
| 460 | Public
|
|---|
| 461 | Property Left:LongInt Read GetLeft;
|
|---|
| 462 | Property Right:LongInt Read GetRight;
|
|---|
| 463 | Published
|
|---|
| 464 | Property Text:String Read GetText Write SetText;
|
|---|
| 465 | Property Width:LongInt Read FWidth Write SetWidth;
|
|---|
| 466 | Property MinWidth:LongInt Read FMinWidth Write SetMinWidth;
|
|---|
| 467 | Property MaxWidth:LongInt Read FMaxWidth Write SetMaxWidth;
|
|---|
| 468 | Property Alignment:TAlignment Read FAlignment Write SetAlignment;
|
|---|
| 469 | Property AllowClick:Boolean Read FAllowClick Write FAllowClick;
|
|---|
| 470 | Property AllowSize:Boolean Read FAllowSize Write FAllowSize;
|
|---|
| 471 | Property Style:THeaderSectionStyle Read FStyle Write SetStyle;
|
|---|
| 472 | End;
|
|---|
| 473 |
|
|---|
| 474 | {$HINTS OFF}
|
|---|
| 475 | THeaderSections=Class(TCollection)
|
|---|
| 476 | Protected
|
|---|
| 477 | FHeaderControl:THeaderControl;
|
|---|
| 478 | Function GetItem(Index:LongInt):THeaderSection;
|
|---|
| 479 | Procedure SetItem(Index:LongInt;NewValue:THeaderSection);
|
|---|
| 480 | Public
|
|---|
| 481 | Procedure Update(Item:TCollectionItem);Override;
|
|---|
| 482 | Procedure SetupComponent;Override;
|
|---|
| 483 | Function Add:THeaderSection;
|
|---|
| 484 | Public
|
|---|
| 485 | Property Items[Index:LongInt]:THeaderSection Read GetItem Write SetItem;Default;
|
|---|
| 486 | Property HeaderControl:THeaderControl Read FHeaderControl;
|
|---|
| 487 | End;
|
|---|
| 488 | {$HINTS ON}
|
|---|
| 489 | THeaderSectionsClass=Class Of THeaderSections;
|
|---|
| 490 |
|
|---|
| 491 | {$M+}
|
|---|
| 492 | TSectionTrackState=(tsTrackBegin,tsTrackMove,tsTrackEnd);
|
|---|
| 493 |
|
|---|
| 494 | TSectionNotifyEvent=Procedure(HeaderControl:THeaderControl;section:THeaderSection) Of Object;
|
|---|
| 495 | TDrawSectionEvent=Procedure(HeaderControl:THeaderControl;section:THeaderSection;
|
|---|
| 496 | Const rc:TRect;Pressed:Boolean) Of Object;
|
|---|
| 497 | TSectionTrackEvent=Procedure(HeaderControl:THeaderControl;section:THeaderSection;
|
|---|
| 498 | Width:LongInt;State:TSectionTrackState) Of Object;
|
|---|
| 499 |
|
|---|
| 500 | THeaderControl=Class(TControl)
|
|---|
| 501 | Protected
|
|---|
| 502 | FSections:THeaderSections;
|
|---|
| 503 | FSpacing:LongInt;
|
|---|
| 504 | FOnDrawSection:TDrawSectionEvent;
|
|---|
| 505 | FOnSectionClick:TSectionNotifyEvent;
|
|---|
| 506 | FOnSectionResize:TSectionNotifyEvent;
|
|---|
| 507 | FOnSectionTrack:TSectionTrackEvent;
|
|---|
| 508 | FSectionTrackState:TSectionTrackState;
|
|---|
| 509 | FClickSection:THeaderSection;
|
|---|
| 510 | FClickBase:THeaderSection;
|
|---|
| 511 | FSizeStartX:LongInt;
|
|---|
| 512 | FSizeX:LongInt;
|
|---|
| 513 | FSizeSection:THeaderSection;
|
|---|
| 514 | FBevelWidth:LongInt;
|
|---|
| 515 | FShape:TCursor;
|
|---|
| 516 | FSectionsClass:THeaderSectionsClass;
|
|---|
| 517 | Protected
|
|---|
| 518 | Procedure SetSections(NewValue:THeaderSections);
|
|---|
| 519 | Procedure SetSpacing(NewValue:LongInt);
|
|---|
| 520 | Procedure SetBevelWidth(NewValue:LongInt);
|
|---|
| 521 | Function GetSections:THeaderSections;
|
|---|
| 522 | Protected
|
|---|
| 523 | Function GetMouseHeader(X,Y:LongInt):THeaderSection;Virtual;
|
|---|
| 524 | Procedure UpdateHeader(Header:THeaderSection);Virtual;
|
|---|
| 525 | Procedure DrawSection(section:THeaderSection;Const rc:TRect;Pressed:Boolean);Virtual;
|
|---|
| 526 | Procedure SectionClick(section:THeaderSection);Virtual;
|
|---|
| 527 | Procedure SectionResize(section:THeaderSection);Virtual;
|
|---|
| 528 | Procedure SectionTrack(section:THeaderSection;Width:LongInt;State:TSectionTrackState);Virtual;
|
|---|
| 529 | Procedure SetupComponent;Override;
|
|---|
| 530 | Destructor Destroy;Override;
|
|---|
| 531 | Procedure MouseDown(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
|
|---|
| 532 | Procedure MouseUp(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
|
|---|
| 533 | Procedure MouseMove(ShiftState:TShiftState;X,Y:LongInt);Override;
|
|---|
| 534 | Procedure MouseDblClick(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
|
|---|
| 535 | Protected
|
|---|
| 536 | Property ClickSection:THeaderSection read FClickSection write FClickSection;
|
|---|
| 537 | Public
|
|---|
| 538 | Procedure Redraw(Const rec:TRect);Override;
|
|---|
| 539 | Procedure ReadSCUResource(Const ResName:TResourceName;Var Data;DataLen:LongInt);Override;
|
|---|
| 540 | Function WriteSCUResource(Stream:TResourceStream):Boolean;Override;
|
|---|
| 541 | Public
|
|---|
| 542 | Property SectionsClass:THeaderSectionsClass read FSectionsClass write FSectionsClass;
|
|---|
| 543 | Published
|
|---|
| 544 | Property Align;
|
|---|
| 545 | Property BevelWidth:LongInt Read FBevelWidth Write SetBevelWidth;
|
|---|
| 546 | Property DragCursor;
|
|---|
| 547 | Property DragMode;
|
|---|
| 548 | Property Enabled;
|
|---|
| 549 | Property Font;
|
|---|
| 550 | Property Sections:THeaderSections Read GetSections Write SetSections;
|
|---|
| 551 | Property ShowHint;
|
|---|
| 552 | Property ParentFont;
|
|---|
| 553 | Property ParentShowHint;
|
|---|
| 554 | Property PopupMenu;
|
|---|
| 555 | Property Spacing:LongInt Read FSpacing Write SetSpacing;
|
|---|
| 556 | Property TabOrder;
|
|---|
| 557 | Property TabStop;
|
|---|
| 558 | Property OnDragDrop;
|
|---|
| 559 | Property OnDragOver;
|
|---|
| 560 | Property OnStartDrag;
|
|---|
| 561 | Property OnEndDrag;
|
|---|
| 562 | Property OnMouseDown;
|
|---|
| 563 | Property OnMouseMove;
|
|---|
| 564 | Property OnMouseUp;
|
|---|
| 565 | Property OnSectionClick:TSectionNotifyEvent Read FOnSectionClick Write FOnSectionClick;
|
|---|
| 566 | Property OnDrawSection:TDrawSectionEvent Read FOnDrawSection Write FOnDrawSection;
|
|---|
| 567 | Property OnSectionResize:TSectionNotifyEvent Read FOnSectionResize Write FOnSectionResize;
|
|---|
| 568 | Property OnSectionTrack:TSectionTrackEvent Read FOnSectionTrack Write FOnSectionTrack;
|
|---|
| 569 | End;
|
|---|
| 570 |
|
|---|
| 571 | THeader=Class(THeaderControl) //For Delphi 1.0 compatibility
|
|---|
| 572 | Protected
|
|---|
| 573 | Function GetSectionWidth(Index:LongInt):LongInt;
|
|---|
| 574 | Procedure SetSectionWidth(Index:LongInt;NewValue:LongInt);
|
|---|
| 575 | Public
|
|---|
| 576 | Property SectionWidth[Index:LongInt]:LongInt Read GetSectionWidth Write SetSectionWidth;
|
|---|
| 577 | End;
|
|---|
| 578 |
|
|---|
| 579 | Function InsertProgressBar(parent:TControl;Left,Bottom,Width,Height:LongInt):TProgressBar;
|
|---|
| 580 | Function InsertUpDown(parent:TControl;Left,Bottom,Width,Height:LongInt):TUpDown;
|
|---|
| 581 | Function InsertTrackBar(parent:TControl;Left,Bottom,Width,Height:LongInt):TTrackBar;
|
|---|
| 582 | Function InsertStatusBar(parent:TControl;Left,Bottom,Width,Height:LongInt):TStatusBar;
|
|---|
| 583 | Function InsertHeaderControl(parent:TControl;Left,Bottom,Width,Height:LongInt):THeaderControl;
|
|---|
| 584 |
|
|---|
| 585 | Implementation
|
|---|
| 586 |
|
|---|
| 587 | {$IFDEF OS2}
|
|---|
| 588 | Uses PmWin;
|
|---|
| 589 | {$ENDIF}
|
|---|
| 590 |
|
|---|
| 591 | {$IFDEF WIN32}
|
|---|
| 592 | Uses WinUser;
|
|---|
| 593 | {$ENDIF}
|
|---|
| 594 |
|
|---|
| 595 | Function InsertProgressBar(parent:TControl;Left,Bottom,Width,Height:LongInt):TProgressBar;
|
|---|
| 596 | Begin
|
|---|
| 597 | Result.Create(parent);
|
|---|
| 598 | Result.SetWindowPos(Left,Bottom,Width,Height);
|
|---|
| 599 | Result.parent := parent;
|
|---|
| 600 | End;
|
|---|
| 601 |
|
|---|
| 602 |
|
|---|
| 603 | Function InsertUpDown(parent:TControl;Left,Bottom,Width,Height:LongInt):TUpDown;
|
|---|
| 604 | Begin
|
|---|
| 605 | Result.Create(parent);
|
|---|
| 606 | Result.SetWindowPos(Left,Bottom,Width,Height);
|
|---|
| 607 | Result.parent := parent;
|
|---|
| 608 | End;
|
|---|
| 609 |
|
|---|
| 610 |
|
|---|
| 611 | Function InsertTrackBar(parent:TControl;Left,Bottom,Width,Height:LongInt):TTrackBar;
|
|---|
| 612 | Begin
|
|---|
| 613 | Result.Create(parent);
|
|---|
| 614 | Result.SetWindowPos(Left,Bottom,Width,Height);
|
|---|
| 615 | Result.parent := parent;
|
|---|
| 616 | End;
|
|---|
| 617 |
|
|---|
| 618 | Function InsertStatusBar(parent:TControl;Left,Bottom,Width,Height:LongInt):TStatusBar;
|
|---|
| 619 | Begin
|
|---|
| 620 | Result.Create(parent);
|
|---|
| 621 | Result.SetWindowPos(Left,Bottom,Width,Height);
|
|---|
| 622 | Result.parent := parent;
|
|---|
| 623 | End;
|
|---|
| 624 |
|
|---|
| 625 | Function InsertHeaderControl(parent:TControl;Left,Bottom,Width,Height:LongInt):THeaderControl;
|
|---|
| 626 | Begin
|
|---|
| 627 | Result.Create(parent);
|
|---|
| 628 | Result.SetWindowPos(Left,Bottom,Width,Height);
|
|---|
| 629 | Result.parent := parent;
|
|---|
| 630 | End;
|
|---|
| 631 |
|
|---|
| 632 | {
|
|---|
| 633 | ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 634 | º º
|
|---|
| 635 | º Speed-Pascal/2 Version 2.0 º
|
|---|
| 636 | º º
|
|---|
| 637 | º Speed-Pascal Component Classes (SPCC) º
|
|---|
| 638 | º º
|
|---|
| 639 | º This section: TProgressBar Class Implementation º
|
|---|
| 640 | º º
|
|---|
| 641 | º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
|
|---|
| 642 | º º
|
|---|
| 643 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 644 | }
|
|---|
| 645 |
|
|---|
| 646 | Procedure TProgressBar.ReadSCUResource(Const ResName:TResourceName;Var Data;DataLen:LongInt);
|
|---|
| 647 | Begin
|
|---|
| 648 | If ResName = rnBitmap Then
|
|---|
| 649 | Begin
|
|---|
| 650 | If DataLen <> 0 Then Bitmap.ReadSCUResource(rnBitmap,Data,DataLen);
|
|---|
| 651 | End
|
|---|
| 652 | Else Inherited ReadSCUResource(ResName,Data,DataLen);
|
|---|
| 653 | End;
|
|---|
| 654 |
|
|---|
| 655 |
|
|---|
| 656 | Function TProgressBar.WriteSCUResource(Stream:TResourceStream):Boolean;
|
|---|
| 657 | Begin
|
|---|
| 658 | Result := Inherited WriteSCUResource(Stream);
|
|---|
| 659 | If Not Result Then Exit;
|
|---|
| 660 |
|
|---|
| 661 | If FBitmap <> Nil
|
|---|
| 662 | Then Result := FBitmap.WriteSCUResourceName(Stream,rnBitmap);
|
|---|
| 663 | End;
|
|---|
| 664 |
|
|---|
| 665 |
|
|---|
| 666 | Procedure TProgressBar.SetBitmap(NewBitmap:TBitmap);
|
|---|
| 667 | Var OldBitmap:TBitmap;
|
|---|
| 668 | Begin
|
|---|
| 669 | OldBitmap := FBitmap;
|
|---|
| 670 |
|
|---|
| 671 | {Create internal Copy}
|
|---|
| 672 | If NewBitmap <> Nil Then FBitmap := NewBitmap.Copy
|
|---|
| 673 | Else FBitmap := Nil;
|
|---|
| 674 |
|
|---|
| 675 | If FBitmap <> Nil Then Include(FBitmap.ComponentState, csDetail);
|
|---|
| 676 |
|
|---|
| 677 | If OldBitmap <> Nil Then
|
|---|
| 678 | If OldBitmap <> NewBitmap Then OldBitmap.Destroy;
|
|---|
| 679 |
|
|---|
| 680 | If Handle <> 0 Then Invalidate;
|
|---|
| 681 | End;
|
|---|
| 682 |
|
|---|
| 683 |
|
|---|
| 684 | Function TProgressBar.GetBitmap:TBitmap;
|
|---|
| 685 | Begin
|
|---|
| 686 | If FBitmap = Nil Then
|
|---|
| 687 | Begin
|
|---|
| 688 | FBitmap.Create;
|
|---|
| 689 | Include(FBitmap.ComponentState, csDetail);
|
|---|
| 690 | End;
|
|---|
| 691 | Result := FBitmap;
|
|---|
| 692 | End;
|
|---|
| 693 |
|
|---|
| 694 |
|
|---|
| 695 | {$HINTS OFF}
|
|---|
| 696 | Procedure TProgressBar.CMTextChanged(Var Msg:TMessage);
|
|---|
| 697 | Begin
|
|---|
| 698 | DrawInterior(ClientRect);
|
|---|
| 699 | End;
|
|---|
| 700 | {$HINTS ON}
|
|---|
| 701 |
|
|---|
| 702 |
|
|---|
| 703 | Procedure TProgressBar.SetBorderStyle(bs:TBorderStyle);
|
|---|
| 704 | Begin
|
|---|
| 705 | FBorderStyle := bs;
|
|---|
| 706 | If Handle<>0 Then Invalidate;
|
|---|
| 707 | End;
|
|---|
| 708 |
|
|---|
| 709 |
|
|---|
| 710 | Procedure TProgressBar.SetMin(lr:LongInt);
|
|---|
| 711 | Begin
|
|---|
| 712 | If lr > FMax Then Exit;
|
|---|
| 713 | FMin := lr;
|
|---|
| 714 | If Handle<>0 Then DrawInterior(ClientRect);
|
|---|
| 715 | Change;
|
|---|
| 716 | End;
|
|---|
| 717 |
|
|---|
| 718 |
|
|---|
| 719 | Procedure TProgressBar.SetMax(hr:LongInt);
|
|---|
| 720 | Begin
|
|---|
| 721 | If hr < FMin Then Exit;
|
|---|
| 722 | FMax := hr;
|
|---|
| 723 | If Handle<>0 Then DrawInterior(ClientRect);
|
|---|
| 724 | Change;
|
|---|
| 725 | End;
|
|---|
| 726 |
|
|---|
| 727 |
|
|---|
| 728 | Procedure TProgressBar.SetPosition(ps:LongInt);
|
|---|
| 729 | Begin
|
|---|
| 730 | FPosition := ps;
|
|---|
| 731 | If Handle<>0 Then DrawInterior(ClientRect);
|
|---|
| 732 | Change;
|
|---|
| 733 | End;
|
|---|
| 734 |
|
|---|
| 735 |
|
|---|
| 736 | Procedure TProgressBar.SetProgressString(ps:TProgressString);
|
|---|
| 737 | Begin
|
|---|
| 738 | FProgressString := ps;
|
|---|
| 739 | If Handle<>0 Then DrawInterior(ClientRect);
|
|---|
| 740 | End;
|
|---|
| 741 |
|
|---|
| 742 |
|
|---|
| 743 | Procedure TProgressBar.SetOrigin(NewOrigin:TProgressOrigin);
|
|---|
| 744 | Begin
|
|---|
| 745 | FOrigin := NewOrigin;
|
|---|
| 746 | If Handle<>0 Then DrawInterior(ClientRect);
|
|---|
| 747 | End;
|
|---|
| 748 |
|
|---|
| 749 |
|
|---|
| 750 | {$HINTS OFF}
|
|---|
| 751 | Procedure TProgressBar.DrawInterior(Const rec:TRect);
|
|---|
| 752 | Var X,Y,CX,CY,xm,ym:LongInt;
|
|---|
| 753 | Percent:LongInt;
|
|---|
| 754 | rec1:TRect;
|
|---|
| 755 | S:String;
|
|---|
| 756 | Begin
|
|---|
| 757 | If Canvas = Nil Then Exit;
|
|---|
| 758 | If FMax = FMin Then
|
|---|
| 759 | Begin
|
|---|
| 760 | If FPosition < FMin Then Percent := 0
|
|---|
| 761 | Else Percent := 100;
|
|---|
| 762 | End
|
|---|
| 763 | Else Percent := ((FPosition-FMin) * 100) Div (FMax-FMin);
|
|---|
| 764 | If Percent < 0 Then Percent := 0;
|
|---|
| 765 | If Percent > 100 Then Percent := 100;
|
|---|
| 766 |
|
|---|
| 767 | If Percent <> 0 Then
|
|---|
| 768 | Begin
|
|---|
| 769 | Case FOrigin Of
|
|---|
| 770 | poLeft:
|
|---|
| 771 | Begin
|
|---|
| 772 | xm := ((FInterior.Right-FInterior.Left) * Percent) Div 100;
|
|---|
| 773 | Inc(xm,FInterior.Left);
|
|---|
| 774 | End;
|
|---|
| 775 | poRight:
|
|---|
| 776 | Begin
|
|---|
| 777 | xm := ((FInterior.Right-FInterior.Left) * Percent) Div 100;
|
|---|
| 778 | xm := FInterior.Right - xm;
|
|---|
| 779 | End;
|
|---|
| 780 | poBottom:
|
|---|
| 781 | Begin
|
|---|
| 782 | ym := ((FInterior.Top-FInterior.Bottom) * Percent) Div 100;
|
|---|
| 783 | Inc(ym,FInterior.Bottom);
|
|---|
| 784 | End;
|
|---|
| 785 | poTop:
|
|---|
| 786 | Begin
|
|---|
| 787 | ym := ((FInterior.Top-FInterior.Bottom) * Percent) Div 100;
|
|---|
| 788 | ym := FInterior.Top - ym;
|
|---|
| 789 | End;
|
|---|
| 790 | End;
|
|---|
| 791 | End
|
|---|
| 792 | Else
|
|---|
| 793 | Begin
|
|---|
| 794 | Case FOrigin Of
|
|---|
| 795 | poLeft: xm := FInterior.Left-1;
|
|---|
| 796 | poRight: xm := FInterior.Right+1;
|
|---|
| 797 | poBottom: ym := FInterior.Bottom-1;
|
|---|
| 798 | poTop: ym := FInterior.Top+1;
|
|---|
| 799 | End;
|
|---|
| 800 | End;
|
|---|
| 801 |
|
|---|
| 802 | Case FProgressString Of
|
|---|
| 803 | psCaption: S := Caption;
|
|---|
| 804 | psPosition: S := tostr(FPosition) + Caption;
|
|---|
| 805 | psPercent: S := tostr(Percent) + ' %' + Caption;
|
|---|
| 806 | End;
|
|---|
| 807 | Canvas.GetTextExtent(S,CX,CY);
|
|---|
| 808 | Inc(CX);
|
|---|
| 809 | X := FInterior.Left + (FInterior.Right-FInterior.Left-CX) Div 2;
|
|---|
| 810 | Y := FInterior.Bottom + (FInterior.Top-FInterior.Bottom-CY) Div 2;
|
|---|
| 811 | If Y < FInterior.Bottom Then Y := FInterior.Bottom;
|
|---|
| 812 |
|
|---|
| 813 | If (FBitmap <> Nil) And (Not FBitmap.Empty)
|
|---|
| 814 | Then Canvas.Brush.Mode := bmTransparent
|
|---|
| 815 | Else Canvas.Brush.Mode := bmOpaque;
|
|---|
| 816 |
|
|---|
| 817 | rec1 := FInterior;
|
|---|
| 818 | Case FOrigin Of
|
|---|
| 819 | poLeft: rec1.Right := xm;
|
|---|
| 820 | poRight: rec1.Left := xm;
|
|---|
| 821 | poBottom: rec1.Top := ym;
|
|---|
| 822 | poTop: rec1.Bottom := ym;
|
|---|
| 823 | End;
|
|---|
| 824 | Canvas.SetClipRegion([rec1]);
|
|---|
| 825 | If (FBitmap <> Nil) And (Not FBitmap.Empty) Then
|
|---|
| 826 | Begin
|
|---|
| 827 | Canvas.StretchDraw(FInterior.Left,
|
|---|
| 828 | FInterior.Bottom,
|
|---|
| 829 | FInterior.Right-FInterior.Left,
|
|---|
| 830 | FInterior.Top-FInterior.Bottom,
|
|---|
| 831 | FBitmap);
|
|---|
| 832 | End
|
|---|
| 833 | Else Canvas.FillRect(ClientRect,PenColor);
|
|---|
| 834 |
|
|---|
| 835 | Canvas.Pen.color := color;
|
|---|
| 836 | Canvas.Brush.color := PenColor;
|
|---|
| 837 | Canvas.Brush.Mode := bmTransparent;
|
|---|
| 838 | Canvas.TextOut(X,Y,S);
|
|---|
| 839 |
|
|---|
| 840 | rec1 := FInterior;
|
|---|
| 841 | Case FOrigin Of
|
|---|
| 842 | poLeft: rec1.Left := xm+1;
|
|---|
| 843 | poRight: rec1.Right := xm-1;
|
|---|
| 844 | poBottom: rec1.Bottom := ym+1;
|
|---|
| 845 | poTop: rec1.Top := ym-1;
|
|---|
| 846 | End;
|
|---|
| 847 | Canvas.SetClipRegion([rec1]);
|
|---|
| 848 | Canvas.FillRect(ClientRect,color);
|
|---|
| 849 |
|
|---|
| 850 | Canvas.Pen.color := PenColor;
|
|---|
| 851 | Canvas.Brush.color := color;
|
|---|
| 852 | Canvas.TextOut(X,Y,S);
|
|---|
| 853 | End;
|
|---|
| 854 | {$HINTS ON}
|
|---|
| 855 |
|
|---|
| 856 |
|
|---|
| 857 | Procedure TProgressBar.Redraw(Const rec:TRect);
|
|---|
| 858 | Begin
|
|---|
| 859 | If Canvas = Nil Then Exit;
|
|---|
| 860 |
|
|---|
| 861 | FInterior:=ClientRect;
|
|---|
| 862 |
|
|---|
| 863 | DrawSystemBorder(Self,FInterior,FBorderStyle);
|
|---|
| 864 |
|
|---|
| 865 | DrawInterior(rec);
|
|---|
| 866 | End;
|
|---|
| 867 |
|
|---|
| 868 |
|
|---|
| 869 | Procedure TProgressBar.SetupComponent;
|
|---|
| 870 | Begin
|
|---|
| 871 | Inherited SetupComponent;
|
|---|
| 872 |
|
|---|
| 873 | Name := 'ProgressBar';
|
|---|
| 874 | Width := 200;
|
|---|
| 875 | Height := 25;
|
|---|
| 876 | PenColor := clHighlight;
|
|---|
| 877 | ParentPenColor := False;
|
|---|
| 878 | ParentColor := True;
|
|---|
| 879 | TabStop := False;
|
|---|
| 880 |
|
|---|
| 881 | FBorderStyle := bsSingle;
|
|---|
| 882 | FMin := 0;
|
|---|
| 883 | FMax := 100;
|
|---|
| 884 | FPosition := 0;
|
|---|
| 885 | FProgressString := psPercent;
|
|---|
| 886 | FBitmap := Nil;
|
|---|
| 887 | FOrigin := poLeft;
|
|---|
| 888 | End;
|
|---|
| 889 |
|
|---|
| 890 |
|
|---|
| 891 | Procedure TProgressBar.SetupShow;
|
|---|
| 892 | Var I:LongInt;
|
|---|
| 893 | Begin
|
|---|
| 894 | Inherited SetupShow;
|
|---|
| 895 |
|
|---|
| 896 | If FBorderStyle = bsNone Then I := 1
|
|---|
| 897 | Else I := 3;
|
|---|
| 898 | FInterior := ClientRect;
|
|---|
| 899 | Forms.InflateRect(FInterior,-I,-I);
|
|---|
| 900 | End;
|
|---|
| 901 |
|
|---|
| 902 |
|
|---|
| 903 | Procedure TProgressBar.Change;
|
|---|
| 904 | Begin
|
|---|
| 905 | If FOnChange <> Nil Then FOnChange(Self);
|
|---|
| 906 | End;
|
|---|
| 907 |
|
|---|
| 908 |
|
|---|
| 909 | Destructor TProgressBar.Destroy;
|
|---|
| 910 | Begin
|
|---|
| 911 | If FBitmap <> Nil Then FBitmap.Destroy;
|
|---|
| 912 | FBitmap := Nil;
|
|---|
| 913 |
|
|---|
| 914 | Inherited Destroy;
|
|---|
| 915 | End;
|
|---|
| 916 |
|
|---|
| 917 |
|
|---|
| 918 | {
|
|---|
| 919 | ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 920 | º º
|
|---|
| 921 | º Speed-Pascal/2 Version 2.0 º
|
|---|
| 922 | º º
|
|---|
| 923 | º Speed-Pascal Component Classes (SPCC) º
|
|---|
| 924 | º º
|
|---|
| 925 | º This section: TUpDown Class Implementation º
|
|---|
| 926 | º º
|
|---|
| 927 | º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
|
|---|
| 928 | º º
|
|---|
| 929 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 930 | }
|
|---|
| 931 |
|
|---|
| 932 | Type
|
|---|
| 933 | TUpDownBtn=Class(TSpeedButton)
|
|---|
| 934 | Protected
|
|---|
| 935 | FUp:Boolean;
|
|---|
| 936 | FTimer:TTimer;
|
|---|
| 937 | Protected
|
|---|
| 938 | Procedure SetupComponent;Override;
|
|---|
| 939 | Public
|
|---|
| 940 | Procedure Redraw(Const rec:TRect);Override;
|
|---|
| 941 | Procedure OnTimer(Sender:TObject);
|
|---|
| 942 | Procedure OnMDown(Sender:TObject;Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 943 | Procedure OnMUp(Sender:TObject;Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 944 | End;
|
|---|
| 945 |
|
|---|
| 946 | Procedure TUpDownBtn.SetupComponent;
|
|---|
| 947 | Begin
|
|---|
| 948 | Inherited SetupComponent;
|
|---|
| 949 | Include(ComponentState, csDetail);
|
|---|
| 950 | Caption := '';
|
|---|
| 951 | ParentPenColor := True;
|
|---|
| 952 | FTimer.Create(Self);
|
|---|
| 953 | FTimer.Interval:=400;
|
|---|
| 954 | FTimer.OnTimer:=OnTimer;
|
|---|
| 955 | OnMouseDown:=OnMDown;
|
|---|
| 956 | OnMouseUp:=OnMUp;
|
|---|
| 957 | End;
|
|---|
| 958 |
|
|---|
| 959 | Procedure TUpDownBtn.OnMDown(Sender:TObject;Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 960 | Begin
|
|---|
| 961 | FTimer.Stop;
|
|---|
| 962 | FTimer.Interval:=400;
|
|---|
| 963 | FTimer.Start;
|
|---|
| 964 | End;
|
|---|
| 965 |
|
|---|
| 966 | Procedure TUpDownBtn.OnMUp(Sender:TObject;Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 967 | Begin
|
|---|
| 968 | FTimer.Stop;
|
|---|
| 969 | End;
|
|---|
| 970 |
|
|---|
| 971 | Procedure TUpDownBtn.OnTimer(Sender:TObject);
|
|---|
| 972 | Begin
|
|---|
| 973 | FTimer.Stop;
|
|---|
| 974 | OnClick(Self);
|
|---|
| 975 | FTimer.Interval:=150;
|
|---|
| 976 | FTimer.Start;
|
|---|
| 977 | End;
|
|---|
| 978 |
|
|---|
| 979 | Procedure TUpDownBtn.Redraw(Const rec:TRect);
|
|---|
| 980 | Var pts:Array[0..2] Of TPoint;
|
|---|
| 981 | WH:LongInt;
|
|---|
| 982 | space:LongInt;
|
|---|
| 983 | Const MinSpace=2;
|
|---|
| 984 | Begin
|
|---|
| 985 | Inherited Redraw(rec);
|
|---|
| 986 |
|
|---|
| 987 | Canvas.ClipRect:=rec;
|
|---|
| 988 |
|
|---|
| 989 | WH:=Height;
|
|---|
| 990 | If Width<WH Then WH:=Width;
|
|---|
| 991 | Dec(WH,4);
|
|---|
| 992 | If WH<1 Then WH:=1;
|
|---|
| 993 | space:=WH Div 5;
|
|---|
| 994 | If space<MinSpace Then space:=MinSpace;
|
|---|
| 995 | Dec(WH,space*2);
|
|---|
| 996 |
|
|---|
| 997 | If TUpDown(Owner).Orientation=udHorizontal Then
|
|---|
| 998 | Begin
|
|---|
| 999 | pts[0].X:=(Width-WH) Div 2;
|
|---|
| 1000 | If Down Then Inc(pts[0].X);
|
|---|
| 1001 | If pts[0].X<MinSpace Then pts[0].X:=MinSpace;
|
|---|
| 1002 |
|
|---|
| 1003 | If FUp Then //Pfeil nach rechts
|
|---|
| 1004 | Begin
|
|---|
| 1005 | pts[0].Y:=Height-((Height-WH) Div 2);
|
|---|
| 1006 | If pts[0].Y>Height-MinSpace Then pts[0].Y:=Height-MinSpace;
|
|---|
| 1007 |
|
|---|
| 1008 | End
|
|---|
| 1009 | Else //Pfeil nach links
|
|---|
| 1010 | Begin
|
|---|
| 1011 | pts[0].Y:=Height Div 2;
|
|---|
| 1012 | If pts[0].Y<MinSpace Then pts[0].Y:=MinSpace;
|
|---|
| 1013 | End;
|
|---|
| 1014 | If Down Then Dec(pts[0].Y);
|
|---|
| 1015 |
|
|---|
| 1016 | pts[1].X:=Width-((Width-WH) Div 2);
|
|---|
| 1017 | If Down Then Inc(pts[1].X);
|
|---|
| 1018 | If pts[1].X>Width-MinSpace Then pts[1].X:=Width-MinSpace;
|
|---|
| 1019 |
|
|---|
| 1020 | If FUp Then
|
|---|
| 1021 | Begin
|
|---|
| 1022 | pts[1].Y:=Height Div 2;
|
|---|
| 1023 | If pts[1].Y<MinSpace Then pts[1].Y:=MinSpace;
|
|---|
| 1024 | End
|
|---|
| 1025 | Else
|
|---|
| 1026 | Begin
|
|---|
| 1027 | pts[1].Y:=Height-((Height-WH) Div 2);
|
|---|
| 1028 | If pts[1].Y>Height-MinSpace Then pts[1].Y:=Height-MinSpace;
|
|---|
| 1029 | End;
|
|---|
| 1030 | If Down Then Dec(pts[1].Y);
|
|---|
| 1031 |
|
|---|
| 1032 | If FUp Then pts[2].X:=pts[0].X
|
|---|
| 1033 | Else pts[2].X:=pts[1].X;
|
|---|
| 1034 |
|
|---|
| 1035 | pts[2].Y:=(Height-WH) Div 2;
|
|---|
| 1036 | If pts[2].Y<MinSpace Then pts[2].Y:=MinSpace;
|
|---|
| 1037 | If Down Then Dec(pts[2].Y);
|
|---|
| 1038 | End
|
|---|
| 1039 | Else
|
|---|
| 1040 | Begin
|
|---|
| 1041 | pts[0].X:=(Width-WH) Div 2;
|
|---|
| 1042 | If Down Then Inc(pts[0].X);
|
|---|
| 1043 | If pts[0].X<MinSpace Then pts[0].X:=MinSpace;
|
|---|
| 1044 |
|
|---|
| 1045 | If FUp Then
|
|---|
| 1046 | Begin
|
|---|
| 1047 | pts[0].Y:=(Height-WH) Div 2;
|
|---|
| 1048 | If pts[0].Y<MinSpace Then pts[0].Y:=MinSpace;
|
|---|
| 1049 | End
|
|---|
| 1050 | Else
|
|---|
| 1051 | Begin
|
|---|
| 1052 | pts[0].Y:=Height-((Height-WH) Div 2);
|
|---|
| 1053 | If pts[0].Y>Height-MinSpace Then pts[0].Y:=Height-MinSpace;
|
|---|
| 1054 | End;
|
|---|
| 1055 | If Down Then Dec(pts[0].Y);
|
|---|
| 1056 |
|
|---|
| 1057 | pts[1].X:=Width-((Width-WH) Div 2);
|
|---|
| 1058 | If Down Then Inc(pts[1].X);
|
|---|
| 1059 | If pts[1].X>Width-MinSpace Then pts[1].X:=Width-MinSpace;
|
|---|
| 1060 |
|
|---|
| 1061 | pts[1].Y:=pts[0].Y;
|
|---|
| 1062 |
|
|---|
| 1063 | pts[2].X:=pts[0].X+WH Div 2;
|
|---|
| 1064 | If Down Then Inc(pts[2].X);
|
|---|
| 1065 |
|
|---|
| 1066 | If FUp Then
|
|---|
| 1067 | Begin
|
|---|
| 1068 | pts[2].Y:=Height-((Height-WH) Div 2);
|
|---|
| 1069 | If pts[2].Y>Height-MinSpace Then pts[2].Y:=Height-MinSpace;
|
|---|
| 1070 | End
|
|---|
| 1071 | Else
|
|---|
| 1072 | Begin
|
|---|
| 1073 | pts[2].Y:=(Height-WH) Div 2;
|
|---|
| 1074 | If pts[2].Y<MinSpace Then pts[2].Y:=MinSpace;
|
|---|
| 1075 | End;
|
|---|
| 1076 | If Down Then Dec(pts[2].Y);
|
|---|
| 1077 | End;
|
|---|
| 1078 |
|
|---|
| 1079 | Canvas.Pen.color:=PenColor;
|
|---|
| 1080 | Canvas.BeginPath;
|
|---|
| 1081 | Canvas.Polygon(pts);
|
|---|
| 1082 | Canvas.EndPath;
|
|---|
| 1083 | Canvas.FillPath;
|
|---|
| 1084 | End;
|
|---|
| 1085 |
|
|---|
| 1086 | ///////////////////////////////////////////////////////////////////////
|
|---|
| 1087 |
|
|---|
| 1088 | Procedure TUpDown.SetAssociate(NewControl:TControl);
|
|---|
| 1089 | Begin
|
|---|
| 1090 | If NewControl=Self Then Exit;
|
|---|
| 1091 |
|
|---|
| 1092 | If FAssociate<>Nil Then FAssociate.Notification(Self,opRemove);
|
|---|
| 1093 | FAssociate := NewControl;
|
|---|
| 1094 | If FAssociate <> Nil Then FAssociate.FreeNotification(Self);
|
|---|
| 1095 | AlignButton := FAlignButton;
|
|---|
| 1096 |
|
|---|
| 1097 | If Associate<>Nil Then
|
|---|
| 1098 | Begin
|
|---|
| 1099 | If Associate Is TScrollBar Then TScrollBar(Associate).Position:=FMin
|
|---|
| 1100 | Else If Associate Is TProgressBar Then TProgressBar(Associate).Position:=FMin
|
|---|
| 1101 | Else If Associate Is TTrackBar Then TTrackBar(Associate).Position:=FMin
|
|---|
| 1102 | Else Associate.Caption:=tostr(FMin);
|
|---|
| 1103 | End;
|
|---|
| 1104 | End;
|
|---|
| 1105 |
|
|---|
| 1106 |
|
|---|
| 1107 | Procedure TUpDown.Notification(AComponent:TComponent;Operation:TOperation);
|
|---|
| 1108 | Begin
|
|---|
| 1109 | Inherited Notification(AComponent,Operation);
|
|---|
| 1110 |
|
|---|
| 1111 | If Operation = opRemove Then
|
|---|
| 1112 | If AComponent = FAssociate Then FAssociate := Nil;
|
|---|
| 1113 | End;
|
|---|
| 1114 |
|
|---|
| 1115 |
|
|---|
| 1116 | Procedure TUpDown.SetOrientation(NewValue:TUDOrientation);
|
|---|
| 1117 | Begin
|
|---|
| 1118 | FOrientation:=NewValue;
|
|---|
| 1119 | AlignButtons;
|
|---|
| 1120 | End;
|
|---|
| 1121 |
|
|---|
| 1122 |
|
|---|
| 1123 | Procedure TUpDown.SetPosition(NewValue:LongInt);
|
|---|
| 1124 | Begin
|
|---|
| 1125 | If NewValue<Min Then NewValue:=Min;
|
|---|
| 1126 | If NewValue>Max Then NewValue:=Max;
|
|---|
| 1127 | If NewValue=FPosition Then Exit;
|
|---|
| 1128 | FPosition:=NewValue;
|
|---|
| 1129 | If Associate<>Nil Then
|
|---|
| 1130 | Begin
|
|---|
| 1131 | If Associate Is TScrollBar Then TScrollBar(Associate).Position:=FPosition
|
|---|
| 1132 | Else If Associate Is TProgressBar Then TProgressBar(Associate).Position:=FPosition
|
|---|
| 1133 | Else If Associate Is TTrackBar Then TTrackBar(Associate).Position:=FPosition
|
|---|
| 1134 | Else Associate.Caption:=tostr(FPosition);
|
|---|
| 1135 | End;
|
|---|
| 1136 | End;
|
|---|
| 1137 |
|
|---|
| 1138 |
|
|---|
| 1139 | Procedure TUpDown.SetMin(NewValue:LongInt);
|
|---|
| 1140 | Begin
|
|---|
| 1141 | If NewValue>Max Then Exit;
|
|---|
| 1142 | FMin:=NewValue;
|
|---|
| 1143 | If Position<FMin Then Position:=FMin;
|
|---|
| 1144 | End;
|
|---|
| 1145 |
|
|---|
| 1146 |
|
|---|
| 1147 | Procedure TUpDown.SetMax(NewValue:LongInt);
|
|---|
| 1148 | Begin
|
|---|
| 1149 | If NewValue<Min Then Exit;
|
|---|
| 1150 | FMax:=NewValue;
|
|---|
| 1151 | If Position>FMax Then Position:=FMax;
|
|---|
| 1152 | End;
|
|---|
| 1153 |
|
|---|
| 1154 |
|
|---|
| 1155 | Procedure TUpDown.SetAlignButton(NewValue:TUDAlignButton);
|
|---|
| 1156 | Begin
|
|---|
| 1157 | FAlignButton:=NewValue;
|
|---|
| 1158 | If Associate Is TControl Then
|
|---|
| 1159 | Case AlignButton Of
|
|---|
| 1160 | udRight: SetWindowPos(Associate.Left+Associate.Width,Associate.Bottom,
|
|---|
| 1161 | Width,Height);
|
|---|
| 1162 | udLeft: SetWindowPos(Associate.Left-Width,Associate.Bottom,
|
|---|
| 1163 | Width,Height);
|
|---|
| 1164 | udTop: SetWindowPos(Associate.Left,Associate.Bottom+Associate.Height,
|
|---|
| 1165 | Width,Height);
|
|---|
| 1166 | udBottom: SetWindowPos(Associate.Left,Associate.Bottom-Height,
|
|---|
| 1167 | Width,Height);
|
|---|
| 1168 | End;
|
|---|
| 1169 | End;
|
|---|
| 1170 |
|
|---|
| 1171 |
|
|---|
| 1172 | Function GetUpRightButton(UpDown:TUpDown):TSpeedButton;
|
|---|
| 1173 | Begin
|
|---|
| 1174 | Result:=UpDown.FUpRightButton;
|
|---|
| 1175 | End;
|
|---|
| 1176 |
|
|---|
| 1177 | Function GetDownLeftButton(UpDown:TUpDown):TSpeedButton;
|
|---|
| 1178 | Begin
|
|---|
| 1179 | Result:=UpDown.FDownLeftButton;
|
|---|
| 1180 | End;
|
|---|
| 1181 |
|
|---|
| 1182 | Procedure TUpDown.SetupComponent;
|
|---|
| 1183 | Begin
|
|---|
| 1184 | Inherited SetupComponent;
|
|---|
| 1185 |
|
|---|
| 1186 | ParentColor:=True;
|
|---|
| 1187 | FArrowKeys:=True;
|
|---|
| 1188 | FIncrement:=1;
|
|---|
| 1189 | FMin:=0;
|
|---|
| 1190 | FMax:=10;
|
|---|
| 1191 | FPosition:=0;
|
|---|
| 1192 | FThousands:=True;
|
|---|
| 1193 | FWrap:=False;
|
|---|
| 1194 | Name:='UpDown';
|
|---|
| 1195 | ParentColor:=True;
|
|---|
| 1196 | PenColor:=clBlack;
|
|---|
| 1197 | Width:=39;
|
|---|
| 1198 | Height:=50;
|
|---|
| 1199 | FAlignButton:=udNone;
|
|---|
| 1200 | FOrientation:=udVertical;
|
|---|
| 1201 |
|
|---|
| 1202 | FUpRightButton:=TUpDownBtn.Create(Self);
|
|---|
| 1203 | TUpDownBtn(FUpRightButton).FUp:=True;
|
|---|
| 1204 | TUpDownBtn(FUpRightButton).OnClick:=EvButtonClick;
|
|---|
| 1205 | InsertControl(FUpRightButton);
|
|---|
| 1206 | FDownLeftButton:=TUpDownBtn.Create(Self);
|
|---|
| 1207 | TUpDownBtn(FDownLeftButton).OnClick:=EvButtonClick;
|
|---|
| 1208 | InsertControl(FDownLeftButton);
|
|---|
| 1209 | End;
|
|---|
| 1210 |
|
|---|
| 1211 |
|
|---|
| 1212 | Procedure TUpDown.AlignButtons;
|
|---|
| 1213 | Begin
|
|---|
| 1214 | Case FOrientation Of
|
|---|
| 1215 | udHorizontal:
|
|---|
| 1216 | Begin
|
|---|
| 1217 | FDownLeftButton.SetWindowPos(0,0,(Width Div 2),Height);
|
|---|
| 1218 | FUpRightButton.SetWindowPos((Width Div 2),0,(Width Div 2),Height);
|
|---|
| 1219 | End;
|
|---|
| 1220 | udVertical:
|
|---|
| 1221 | Begin
|
|---|
| 1222 | FDownLeftButton.SetWindowPos(0,0,Width,(Height Div 2));
|
|---|
| 1223 | FUpRightButton.SetWindowPos(0,(Height Div 2),Width,(Height Div 2));
|
|---|
| 1224 | End;
|
|---|
| 1225 | End;
|
|---|
| 1226 | End;
|
|---|
| 1227 |
|
|---|
| 1228 |
|
|---|
| 1229 | Procedure TUpDown.SetupShow;
|
|---|
| 1230 | Begin
|
|---|
| 1231 | Inherited SetupShow;
|
|---|
| 1232 |
|
|---|
| 1233 | AlignButtons;
|
|---|
| 1234 | End;
|
|---|
| 1235 |
|
|---|
| 1236 |
|
|---|
| 1237 | Procedure TUpDown.Resize;
|
|---|
| 1238 | Begin
|
|---|
| 1239 | Inherited Resize;
|
|---|
| 1240 |
|
|---|
| 1241 | AlignButtons;
|
|---|
| 1242 | End;
|
|---|
| 1243 |
|
|---|
| 1244 |
|
|---|
| 1245 | Procedure TUpDown.EvButtonClick(Sender:TObject);
|
|---|
| 1246 | Begin
|
|---|
| 1247 | If Not CanChange Then Exit;
|
|---|
| 1248 |
|
|---|
| 1249 | If TBitBtn(Sender)=FUpRightButton Then
|
|---|
| 1250 | Begin
|
|---|
| 1251 | If Position=Max Then
|
|---|
| 1252 | Begin
|
|---|
| 1253 | If Not FWrap Then Exit;
|
|---|
| 1254 | Position:=Min;
|
|---|
| 1255 | End
|
|---|
| 1256 | Else Position:=Position+1;
|
|---|
| 1257 | Click(btNext);
|
|---|
| 1258 | End
|
|---|
| 1259 | Else
|
|---|
| 1260 | Begin
|
|---|
| 1261 | If Position=Min Then
|
|---|
| 1262 | Begin
|
|---|
| 1263 | If Not FWrap Then Exit;
|
|---|
| 1264 | Position:=Max;
|
|---|
| 1265 | End
|
|---|
| 1266 | Else Position:=Position-1;
|
|---|
| 1267 | Click(btPrev);
|
|---|
| 1268 | End;
|
|---|
| 1269 | End;
|
|---|
| 1270 |
|
|---|
| 1271 |
|
|---|
| 1272 | Function TUpDown.CanChange:Boolean;
|
|---|
| 1273 | Begin
|
|---|
| 1274 | Result := True;
|
|---|
| 1275 | If FOnChanging <> Nil Then FOnChanging(Self,Result);
|
|---|
| 1276 | End;
|
|---|
| 1277 |
|
|---|
| 1278 |
|
|---|
| 1279 | Procedure TUpDown.Click(Button:TUDBtnType);
|
|---|
| 1280 | Begin
|
|---|
| 1281 | If FOnClick <> Nil Then FOnClick(Self,Button);
|
|---|
| 1282 | End;
|
|---|
| 1283 |
|
|---|
| 1284 |
|
|---|
| 1285 | {
|
|---|
| 1286 | ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 1287 | º º
|
|---|
| 1288 | º Speed-Pascal/2 Version 2.0 º
|
|---|
| 1289 | º º
|
|---|
| 1290 | º Speed-Pascal Component Classes (SPCC) º
|
|---|
| 1291 | º º
|
|---|
| 1292 | º This section: TTrackBar Class Implementation º
|
|---|
| 1293 | º º
|
|---|
| 1294 | º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
|
|---|
| 1295 | º º
|
|---|
| 1296 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 1297 | }
|
|---|
| 1298 |
|
|---|
| 1299 | Procedure TTrackBar.SetMax(NewValue:LongInt);
|
|---|
| 1300 | Begin
|
|---|
| 1301 | If NewValue<Min Then Exit;
|
|---|
| 1302 | FMax:=NewValue;
|
|---|
| 1303 | If Position>Max Then Position:=Max;
|
|---|
| 1304 | End;
|
|---|
| 1305 |
|
|---|
| 1306 | Procedure TTrackBar.SetMin(NewValue:LongInt);
|
|---|
| 1307 | Begin
|
|---|
| 1308 | If NewValue>Max Then Exit;
|
|---|
| 1309 | FMin:=NewValue;
|
|---|
| 1310 | If FSelMode=smAuto Then If FSelStart<>Min Then
|
|---|
| 1311 | Begin
|
|---|
| 1312 | FSelStart:=Min;
|
|---|
| 1313 | FSelEnd:=FPosition;
|
|---|
| 1314 | If Not FUpdating Then Invalidate;
|
|---|
| 1315 | End;
|
|---|
| 1316 | If Position<Min Then Position:=Min;
|
|---|
| 1317 | End;
|
|---|
| 1318 |
|
|---|
| 1319 | Procedure TTrackBar.SetOrientation(NewValue:TTrackBarOrientation);
|
|---|
| 1320 | Begin
|
|---|
| 1321 | If FOrientation=NewValue Then Exit;
|
|---|
| 1322 | FOrientation:=NewValue;
|
|---|
| 1323 | //Exchange Width And Height
|
|---|
| 1324 | SetWindowPos(Left,Bottom,Height,Width)
|
|---|
| 1325 | End;
|
|---|
| 1326 |
|
|---|
| 1327 | Procedure TTrackBar.SetPosition(NewValue:LongInt);
|
|---|
| 1328 | Begin
|
|---|
| 1329 | If NewValue<Min Then NewValue:=Min;
|
|---|
| 1330 | If NewValue>Max Then NewValue:=Max;
|
|---|
| 1331 | If NewValue=Position Then Exit;
|
|---|
| 1332 | FPosition:=NewValue;
|
|---|
| 1333 | If FSelMode=smAuto Then
|
|---|
| 1334 | Begin
|
|---|
| 1335 | FSelStart:=Min;
|
|---|
| 1336 | FSelEnd:=FPosition;
|
|---|
| 1337 | End;
|
|---|
| 1338 | UpdateSlider;
|
|---|
| 1339 | Change;
|
|---|
| 1340 | End;
|
|---|
| 1341 |
|
|---|
| 1342 | Procedure TTrackBar.Change;
|
|---|
| 1343 | Begin
|
|---|
| 1344 | If OnChange<>Nil Then OnChange(Self);
|
|---|
| 1345 | End;
|
|---|
| 1346 |
|
|---|
| 1347 | Procedure TTrackBar.SetSelEnd(NewValue:LongInt);
|
|---|
| 1348 | Begin
|
|---|
| 1349 | If FSelMode<>smManual Then Exit;
|
|---|
| 1350 | FSelEnd:=NewValue;
|
|---|
| 1351 | If FSelEnd>FSelStart Then If Not FUpdating Then UpdateSlider;
|
|---|
| 1352 | End;
|
|---|
| 1353 |
|
|---|
| 1354 | Procedure TTrackBar.SetSelStart(NewValue:LongInt);
|
|---|
| 1355 | Begin
|
|---|
| 1356 | If FSelMode<>smManual Then Exit;
|
|---|
| 1357 | FSelStart:=NewValue;
|
|---|
| 1358 | If FSelStart<FSelEnd Then If Not FUpdating Then UpdateSlider;
|
|---|
| 1359 | End;
|
|---|
| 1360 |
|
|---|
| 1361 | Procedure TTrackBar.SetTickMarks(NewValue:TTickMarks);
|
|---|
| 1362 | Begin
|
|---|
| 1363 | FTickMarks:=NewValue;
|
|---|
| 1364 | If NewValue=tmBoth Then FSliderShape:=tsBox
|
|---|
| 1365 | Else FSliderShape:=tsArrow;
|
|---|
| 1366 | If Not FUpdating Then Invalidate;
|
|---|
| 1367 | End;
|
|---|
| 1368 |
|
|---|
| 1369 | Procedure TTrackBar.SetTickStyle(NewValue:TTickStyle);
|
|---|
| 1370 | Begin
|
|---|
| 1371 | FTickStyle:=NewValue;
|
|---|
| 1372 | If Not FUpdating Then Invalidate;
|
|---|
| 1373 | End;
|
|---|
| 1374 |
|
|---|
| 1375 | Procedure TTrackBar.SetFrequency(NewValue:LongInt);
|
|---|
| 1376 | Begin
|
|---|
| 1377 | If NewValue<1 Then NewValue:=1;
|
|---|
| 1378 | If Min+NewValue>Max Then NewValue:=Max-Min;
|
|---|
| 1379 | FFrequency:=NewValue;
|
|---|
| 1380 | If Not FUpdating Then Invalidate;
|
|---|
| 1381 | End;
|
|---|
| 1382 |
|
|---|
| 1383 | Procedure TTrackBar.SetSelMode(NewMode:TTrackBarSelMode);
|
|---|
| 1384 | Begin
|
|---|
| 1385 | FSelMode:=NewMode;
|
|---|
| 1386 | If FSelMode=smAuto Then
|
|---|
| 1387 | Begin
|
|---|
| 1388 | FSelStart:=Min;
|
|---|
| 1389 | FSelEnd:=Position;
|
|---|
| 1390 | End;
|
|---|
| 1391 | If Not FUpdating Then Invalidate;
|
|---|
| 1392 | End;
|
|---|
| 1393 |
|
|---|
| 1394 | Procedure TTrackBar.SetupComponent;
|
|---|
| 1395 | Begin
|
|---|
| 1396 | Inherited SetupComponent;
|
|---|
| 1397 |
|
|---|
| 1398 | Name:='TrackBar';
|
|---|
| 1399 | ParentColor:=True;
|
|---|
| 1400 | FShowFocusRect:=True;
|
|---|
| 1401 | FPosition:=0;
|
|---|
| 1402 | FLineSize:=1;
|
|---|
| 1403 | FPageSize:=5;
|
|---|
| 1404 | FMax:=10;
|
|---|
| 1405 | FMin:=0;
|
|---|
| 1406 | FOrientation:=trHorizontal;
|
|---|
| 1407 | FSelEnd:=0;
|
|---|
| 1408 | FSelStart:=0;
|
|---|
| 1409 | FTickMarks:=tmBottomRight;
|
|---|
| 1410 | FTickStyle:=tsAuto;
|
|---|
| 1411 | FFrequency:=1;
|
|---|
| 1412 | FSelMode:=smManual;
|
|---|
| 1413 | FSliderShape:=tsArrow;
|
|---|
| 1414 | Width:=200;
|
|---|
| 1415 | Height:=50;
|
|---|
| 1416 | FTrackTimer.Create(Self);
|
|---|
| 1417 | Include(FTrackTimer.ComponentState, csDetail);
|
|---|
| 1418 | FTrackTimer.Interval:=400;
|
|---|
| 1419 | FTrackTimer.OnTimer:=EvTimer;
|
|---|
| 1420 | FSliderSize:=tssAuto;
|
|---|
| 1421 | End;
|
|---|
| 1422 |
|
|---|
| 1423 | Destructor TTrackBar.Destroy;
|
|---|
| 1424 | Begin
|
|---|
| 1425 | If FTicks<>Nil Then FTicks.Destroy;
|
|---|
| 1426 | Inherited Destroy;
|
|---|
| 1427 | End;
|
|---|
| 1428 |
|
|---|
| 1429 | Procedure TTrackBar.DrawSlider(SliderW,SliderH:LongInt);
|
|---|
| 1430 | Var
|
|---|
| 1431 | pts:Array[0..5] Of TPoint;
|
|---|
| 1432 | Diff,Diff1:LongInt;
|
|---|
| 1433 |
|
|---|
| 1434 | Procedure Draw;
|
|---|
| 1435 | Begin
|
|---|
| 1436 | Canvas.BeginPath;
|
|---|
| 1437 | Canvas.PolyLine(pts);
|
|---|
| 1438 | Canvas.EndPath;
|
|---|
| 1439 | End;
|
|---|
| 1440 |
|
|---|
| 1441 | Procedure Inflate;
|
|---|
| 1442 | Begin
|
|---|
| 1443 | If Orientation=trHorizontal Then
|
|---|
| 1444 | Begin
|
|---|
| 1445 | If FSliderShape=tsBox Then
|
|---|
| 1446 | Begin
|
|---|
| 1447 | Dec(pts[0].X);
|
|---|
| 1448 | Dec(pts[0].Y);
|
|---|
| 1449 |
|
|---|
| 1450 | Inc(pts[1].X);
|
|---|
| 1451 | Dec(pts[1].Y);
|
|---|
| 1452 |
|
|---|
| 1453 | Inc(pts[2].X);
|
|---|
| 1454 | Inc(pts[2].Y);
|
|---|
| 1455 |
|
|---|
| 1456 | Dec(pts[3].X);
|
|---|
| 1457 | Inc(pts[3].Y);
|
|---|
| 1458 |
|
|---|
| 1459 | pts[4]:=pts[0];
|
|---|
| 1460 | pts[5]:=pts[0];
|
|---|
| 1461 | End
|
|---|
| 1462 | Else
|
|---|
| 1463 | Begin
|
|---|
| 1464 | Dec(pts[0].Y);
|
|---|
| 1465 | Dec(pts[1].Y);
|
|---|
| 1466 | Inc(pts[2].X);
|
|---|
| 1467 | Inc(pts[3].X);
|
|---|
| 1468 | Inc(pts[3].Y);
|
|---|
| 1469 | Dec(pts[4].X);
|
|---|
| 1470 | Inc(pts[4].Y);
|
|---|
| 1471 | Dec(pts[5].X);
|
|---|
| 1472 | End;
|
|---|
| 1473 | End
|
|---|
| 1474 | Else
|
|---|
| 1475 | Begin
|
|---|
| 1476 | If FSliderShape=tsBox Then
|
|---|
| 1477 | Begin
|
|---|
| 1478 | Dec(pts[0].X);
|
|---|
| 1479 | Dec(pts[0].Y);
|
|---|
| 1480 |
|
|---|
| 1481 | Inc(pts[1].X);
|
|---|
| 1482 | Dec(pts[1].Y);
|
|---|
| 1483 |
|
|---|
| 1484 | Inc(pts[2].X);
|
|---|
| 1485 | Inc(pts[2].Y);
|
|---|
| 1486 |
|
|---|
| 1487 | Dec(pts[3].X);
|
|---|
| 1488 | Inc(pts[3].Y);
|
|---|
| 1489 |
|
|---|
| 1490 | pts[4]:=pts[0];
|
|---|
| 1491 | pts[5]:=pts[0];
|
|---|
| 1492 | End
|
|---|
| 1493 | Else
|
|---|
| 1494 | Begin
|
|---|
| 1495 | Dec(pts[0].Y);
|
|---|
| 1496 | Inc(pts[1].Y);
|
|---|
| 1497 | Inc(pts[2].X);
|
|---|
| 1498 | Inc(pts[2].Y);
|
|---|
| 1499 | Dec(pts[3].X);
|
|---|
| 1500 | Inc(pts[3].Y);
|
|---|
| 1501 | Dec(pts[4].X);
|
|---|
| 1502 | Dec(pts[4].Y);
|
|---|
| 1503 | Inc(pts[5].X);
|
|---|
| 1504 | Dec(pts[5].Y);
|
|---|
| 1505 | End;
|
|---|
| 1506 | End;
|
|---|
| 1507 | End;
|
|---|
| 1508 |
|
|---|
| 1509 | Procedure DrawBoxL;
|
|---|
| 1510 | Begin
|
|---|
| 1511 | Canvas.PenPos:=pts[0];
|
|---|
| 1512 | If FSliderShape=tsBox Then
|
|---|
| 1513 | Begin
|
|---|
| 1514 | Canvas.LineTo(pts[3].X,pts[3].Y);
|
|---|
| 1515 | Canvas.LineTo(pts[2].X,pts[2].Y);
|
|---|
| 1516 | End
|
|---|
| 1517 | Else
|
|---|
| 1518 | Begin
|
|---|
| 1519 | Canvas.LineTo(pts[5].X,pts[5].Y);
|
|---|
| 1520 | Canvas.LineTo(pts[4].X,pts[4].Y);
|
|---|
| 1521 | Canvas.LineTo(pts[3].X,pts[3].Y);
|
|---|
| 1522 | End;
|
|---|
| 1523 | End;
|
|---|
| 1524 |
|
|---|
| 1525 | Procedure DrawBoxR;
|
|---|
| 1526 | Begin
|
|---|
| 1527 | Canvas.PenPos:=pts[0];
|
|---|
| 1528 | If FSliderShape=tsBox Then
|
|---|
| 1529 | Begin
|
|---|
| 1530 | Canvas.LineTo(pts[1].X,pts[1].Y);
|
|---|
| 1531 | Canvas.LineTo(pts[2].X,pts[2].Y);
|
|---|
| 1532 | End
|
|---|
| 1533 | Else
|
|---|
| 1534 | Begin
|
|---|
| 1535 | Canvas.LineTo(pts[1].X,pts[1].Y);
|
|---|
| 1536 | Canvas.LineTo(pts[2].X,pts[2].Y);
|
|---|
| 1537 | Canvas.LineTo(pts[3].X,pts[3].Y);
|
|---|
| 1538 | End;
|
|---|
| 1539 | End;
|
|---|
| 1540 |
|
|---|
| 1541 | Begin
|
|---|
| 1542 | Canvas.Pen.color:=color;
|
|---|
| 1543 |
|
|---|
| 1544 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmTopLeft)) Then Diff:=20
|
|---|
| 1545 | Else Diff:=2;
|
|---|
| 1546 |
|
|---|
| 1547 | If Orientation=trHorizontal Then
|
|---|
| 1548 | Begin
|
|---|
| 1549 | If FSliderShape=tsBox Then
|
|---|
| 1550 | Begin
|
|---|
| 1551 | pts[0].X:=2+CoordFromPos(Position)-SliderW Div 2;
|
|---|
| 1552 | pts[0].Y:=Height-Diff-SliderH+SliderH Div 6;
|
|---|
| 1553 | pts[1].X:=pts[0].X+SliderW-5;
|
|---|
| 1554 | pts[1].Y:=pts[0].Y;
|
|---|
| 1555 | pts[2].X:=pts[1].X;
|
|---|
| 1556 | pts[2].Y:=pts[0].Y+SliderH-2-SliderH Div 6;
|
|---|
| 1557 | pts[3].X:=pts[0].X;
|
|---|
| 1558 | pts[3].Y:=pts[2].Y;
|
|---|
| 1559 | pts[4]:=pts[0];
|
|---|
| 1560 | pts[5]:=pts[0];
|
|---|
| 1561 | End
|
|---|
| 1562 | Else
|
|---|
| 1563 | Begin
|
|---|
| 1564 | pts[0].X:=CoordFromPos(Position)-1;
|
|---|
| 1565 | pts[0].Y:=Height-Diff-SliderH+2;
|
|---|
| 1566 |
|
|---|
| 1567 | pts[1].X:=pts[0].X+2;
|
|---|
| 1568 | pts[1].Y:=pts[0].Y;
|
|---|
| 1569 |
|
|---|
| 1570 | pts[2].X:=pts[1].X+((SliderW-8) Div 2);
|
|---|
| 1571 | pts[2].Y:=pts[1].Y+(SliderH Div 3);
|
|---|
| 1572 |
|
|---|
| 1573 | pts[3].X:=pts[2].X;
|
|---|
| 1574 | pts[3].Y:=pts[0].Y+SliderH-4;
|
|---|
| 1575 |
|
|---|
| 1576 | pts[4].X:=pts[0].X-((SliderW-6) Div 2);
|
|---|
| 1577 | pts[4].Y:=pts[3].Y;
|
|---|
| 1578 |
|
|---|
| 1579 | pts[5].X:=pts[4].X;
|
|---|
| 1580 | pts[5].Y:=pts[2].Y;
|
|---|
| 1581 |
|
|---|
| 1582 | If TickMarks=tmTopLeft Then
|
|---|
| 1583 | Begin
|
|---|
| 1584 | Diff1:=pts[2].Y-pts[0].Y;
|
|---|
| 1585 | pts[3].Y:=pts[0].Y;
|
|---|
| 1586 | pts[0].Y:=pts[4].Y+SliderH Div 6;
|
|---|
| 1587 | pts[4].Y:=pts[3].Y;
|
|---|
| 1588 | pts[1].Y:=pts[0].Y;
|
|---|
| 1589 | pts[5].Y:=pts[0].Y-Diff1;
|
|---|
| 1590 | pts[2].Y:=pts[5].Y;
|
|---|
| 1591 | End;
|
|---|
| 1592 | End;
|
|---|
| 1593 | End
|
|---|
| 1594 | Else
|
|---|
| 1595 | Begin
|
|---|
| 1596 | If FSliderShape=tsBox Then
|
|---|
| 1597 | Begin
|
|---|
| 1598 | pts[0].X:=Diff+2;
|
|---|
| 1599 | pts[0].Y:=2+CoordFromPos(Position)-SliderW Div 2;
|
|---|
| 1600 | pts[1].X:=pts[0].X+SliderH-3-SliderH Div 6;
|
|---|
| 1601 | pts[1].Y:=pts[0].Y;
|
|---|
| 1602 | pts[2].Y:=pts[0].Y+SliderW-5;
|
|---|
| 1603 | pts[2].X:=pts[1].X;
|
|---|
| 1604 | pts[3].Y:=pts[2].Y;
|
|---|
| 1605 | pts[3].X:=pts[0].X;
|
|---|
| 1606 | pts[4]:=pts[0];
|
|---|
| 1607 | pts[5]:=pts[0];
|
|---|
| 1608 | End
|
|---|
| 1609 | Else
|
|---|
| 1610 | Begin
|
|---|
| 1611 | pts[0].Y:=CoordFromPos(Position)-1;
|
|---|
| 1612 | pts[0].X:=Diff+SliderH-1;
|
|---|
| 1613 |
|
|---|
| 1614 | pts[1].Y:=pts[0].Y+2;
|
|---|
| 1615 | pts[1].X:=pts[0].X;
|
|---|
| 1616 |
|
|---|
| 1617 | pts[2].Y:=pts[1].Y+((SliderW-8) Div 2);
|
|---|
| 1618 | pts[2].X:=pts[1].X-(SliderH Div 3);
|
|---|
| 1619 |
|
|---|
| 1620 | pts[3].Y:=pts[2].Y;
|
|---|
| 1621 | pts[3].X:=Diff+2;
|
|---|
| 1622 |
|
|---|
| 1623 | pts[4].Y:=pts[0].Y-((SliderW-6) Div 2);
|
|---|
| 1624 | pts[4].X:=pts[3].X;
|
|---|
| 1625 |
|
|---|
| 1626 | pts[5].Y:=pts[4].Y;
|
|---|
| 1627 | pts[5].X:=pts[2].X;
|
|---|
| 1628 |
|
|---|
| 1629 | If TickMarks=tmTopLeft Then
|
|---|
| 1630 | Begin
|
|---|
| 1631 | Diff1:=pts[0].X-pts[2].X;
|
|---|
| 1632 | pts[3].X:=pts[0].X;
|
|---|
| 1633 | pts[0].X:=pts[4].X-SliderH Div 6;
|
|---|
| 1634 | pts[4].X:=pts[3].X;
|
|---|
| 1635 | pts[1].X:=pts[0].X;
|
|---|
| 1636 | pts[5].X:=pts[0].X+Diff1;
|
|---|
| 1637 | pts[2].X:=pts[5].X;
|
|---|
| 1638 | End;
|
|---|
| 1639 | End;
|
|---|
| 1640 | End;
|
|---|
| 1641 |
|
|---|
| 1642 | //Draw filled portion
|
|---|
| 1643 | If FTracking Then
|
|---|
| 1644 | Begin
|
|---|
| 1645 | Canvas.Brush.color:=clWhite;
|
|---|
| 1646 | Canvas.Brush.Style:=bsDiagCross;
|
|---|
| 1647 | End;
|
|---|
| 1648 | Draw;
|
|---|
| 1649 | Canvas.FillPath;
|
|---|
| 1650 | If FTracking Then
|
|---|
| 1651 | Begin
|
|---|
| 1652 | Canvas.Brush.Style:=bsSolid;
|
|---|
| 1653 | Canvas.Brush.color:=color;
|
|---|
| 1654 | End;
|
|---|
| 1655 |
|
|---|
| 1656 | Inflate;
|
|---|
| 1657 |
|
|---|
| 1658 | Canvas.Pen.color:=clBtnHighlight;
|
|---|
| 1659 | DrawBoxL;
|
|---|
| 1660 |
|
|---|
| 1661 | Canvas.Pen.color:=clBtnShadow;
|
|---|
| 1662 | DrawBoxR;
|
|---|
| 1663 |
|
|---|
| 1664 | Inflate;
|
|---|
| 1665 |
|
|---|
| 1666 | Canvas.Pen.color:=clBtnHighlight;
|
|---|
| 1667 | DrawBoxL;
|
|---|
| 1668 |
|
|---|
| 1669 | Canvas.Pen.color:=clBtnDefault;
|
|---|
| 1670 | DrawBoxR;
|
|---|
| 1671 |
|
|---|
| 1672 | Draw;
|
|---|
| 1673 | Canvas.PathToClipRegion(paDiff);
|
|---|
| 1674 | End;
|
|---|
| 1675 |
|
|---|
| 1676 | Procedure TTrackBar.DrawTrack(SliderW,SliderH:LongInt);
|
|---|
| 1677 | Var rc,rc1:TRect;
|
|---|
| 1678 | Diff:LongInt;
|
|---|
| 1679 | Begin
|
|---|
| 1680 | //Draw Slider
|
|---|
| 1681 | DrawSlider(SliderW,SliderH);
|
|---|
| 1682 |
|
|---|
| 1683 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmTopLeft)) Then Diff:=20
|
|---|
| 1684 | Else Diff:=2;
|
|---|
| 1685 |
|
|---|
| 1686 | //Draw Box
|
|---|
| 1687 | If Orientation=trHorizontal Then
|
|---|
| 1688 | Begin
|
|---|
| 1689 | rc.Left := 2;
|
|---|
| 1690 | rc.Bottom := Height-Diff-(SliderH Div 3)*2 -1;
|
|---|
| 1691 | rc.Right := Width-3;
|
|---|
| 1692 | rc.Top := (Height-Diff-SliderH Div 6)-2 +1;
|
|---|
| 1693 | End
|
|---|
| 1694 | Else
|
|---|
| 1695 | Begin
|
|---|
| 1696 | rc.Left := Diff+2+(SliderH Div 6) -1;
|
|---|
| 1697 | rc.Bottom := 2;
|
|---|
| 1698 | rc.Right := rc.Left + (SliderH Div 6) + (SliderH Div 3);
|
|---|
| 1699 | rc.Top := Height-3;
|
|---|
| 1700 | End;
|
|---|
| 1701 | DrawSystemBorder(Self,rc,bsSingle);
|
|---|
| 1702 |
|
|---|
| 1703 | If FSelMode=smAuto Then
|
|---|
| 1704 | Begin
|
|---|
| 1705 | FSelStart:=Min;
|
|---|
| 1706 | FSelEnd:=FPosition;
|
|---|
| 1707 | End;
|
|---|
| 1708 |
|
|---|
| 1709 | If FSelEnd>FSelStart Then
|
|---|
| 1710 | Begin
|
|---|
| 1711 | If Orientation=trHorizontal Then
|
|---|
| 1712 | Begin
|
|---|
| 1713 | rc1.Left:=CoordFromPos(FSelStart);
|
|---|
| 1714 | rc1.Right:=CoordFromPos(FSelEnd);
|
|---|
| 1715 | If rc.Top-rc.Bottom>6 Then //medium And large
|
|---|
| 1716 | Begin
|
|---|
| 1717 | rc1.Bottom:=rc.Bottom+2;
|
|---|
| 1718 | rc1.Top:=rc.Top-2;
|
|---|
| 1719 | End
|
|---|
| 1720 | Else //small
|
|---|
| 1721 | Begin
|
|---|
| 1722 | rc1.Bottom:=rc.Bottom+1;
|
|---|
| 1723 | rc1.Top:=rc.Top-1;
|
|---|
| 1724 | End;
|
|---|
| 1725 | Canvas.FillRect(rc1,clHighlight);
|
|---|
| 1726 | Canvas.ExcludeClipRect(rc1);
|
|---|
| 1727 | End
|
|---|
| 1728 | Else
|
|---|
| 1729 | Begin
|
|---|
| 1730 | rc1.Bottom:=CoordFromPos(FSelStart);
|
|---|
| 1731 | rc1.Top:=CoordFromPos(FSelEnd);
|
|---|
| 1732 | If rc.Right-rc.Left>6 Then //medium And large
|
|---|
| 1733 | Begin
|
|---|
| 1734 | rc1.Left:=rc.Left+2;
|
|---|
| 1735 | rc1.Right:=rc.Right-2;
|
|---|
| 1736 | End
|
|---|
| 1737 | Else //small
|
|---|
| 1738 | Begin
|
|---|
| 1739 | rc1.Left:=rc.Left+1;
|
|---|
| 1740 | rc1.Right:=rc.Right-1;
|
|---|
| 1741 | End;
|
|---|
| 1742 | Canvas.FillRect(rc1,clHighlight);
|
|---|
| 1743 | Canvas.ExcludeClipRect(rc1);
|
|---|
| 1744 | End;
|
|---|
| 1745 | End;
|
|---|
| 1746 |
|
|---|
| 1747 | Canvas.FillRect(rc,clWhite);
|
|---|
| 1748 | Forms.InflateRect(rc, 2, 2);
|
|---|
| 1749 | Canvas.ExcludeClipRect(rc);
|
|---|
| 1750 | End;
|
|---|
| 1751 |
|
|---|
| 1752 | Procedure TTrackBar.Redraw(Const rec:TRect);
|
|---|
| 1753 | Var SliderWidth,SliderHeight:LongInt;
|
|---|
| 1754 | T:LongInt;
|
|---|
| 1755 | X,Y,Diff:LongInt;
|
|---|
| 1756 | rc:TRect;
|
|---|
| 1757 |
|
|---|
| 1758 | Procedure DrawTick(X,Y,X1,y1:LongInt);
|
|---|
| 1759 | Var rc:TRect;
|
|---|
| 1760 | Begin
|
|---|
| 1761 | rc.LeftBottom:=Point(X1,y1);
|
|---|
| 1762 | rc.RightTop:=Point(X,Y);
|
|---|
| 1763 | Canvas.BeginPath;
|
|---|
| 1764 | Canvas.Rectangle(rc);
|
|---|
| 1765 | Canvas.EndPath;
|
|---|
| 1766 | Canvas.OutlinePath;
|
|---|
| 1767 | Canvas.BeginPath;
|
|---|
| 1768 | Canvas.Rectangle(rc);
|
|---|
| 1769 | Canvas.EndPath;
|
|---|
| 1770 | Canvas.PathToClipRegion(paDiff);
|
|---|
| 1771 | End;
|
|---|
| 1772 |
|
|---|
| 1773 | Procedure DrawLabelX;
|
|---|
| 1774 | Begin
|
|---|
| 1775 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmBottomRight)) Then
|
|---|
| 1776 | Begin
|
|---|
| 1777 | DrawTick(X,Y,X,Y-FTickSize);
|
|---|
| 1778 | End;
|
|---|
| 1779 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmTopLeft)) Then
|
|---|
| 1780 | Begin
|
|---|
| 1781 | DrawTick(X,Height-Diff+6,X,Height-Diff+6+FTickSize)
|
|---|
| 1782 | End;
|
|---|
| 1783 | End;
|
|---|
| 1784 |
|
|---|
| 1785 | Procedure DrawLabelY;
|
|---|
| 1786 | Begin
|
|---|
| 1787 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmBottomRight)) Then
|
|---|
| 1788 | Begin
|
|---|
| 1789 | If ((SliderHeight=45)Or(SliderHeight=38)) Then
|
|---|
| 1790 | Begin
|
|---|
| 1791 | If FSliderShape=tsBox Then
|
|---|
| 1792 | DrawTick(Diff+SliderHeight,Y,Diff+SliderHeight+FTickSize,Y)
|
|---|
| 1793 | Else
|
|---|
| 1794 | DrawTick(Diff+SliderHeight+2,Y,Diff+SliderHeight+2+FTickSize,Y)
|
|---|
| 1795 | End
|
|---|
| 1796 | Else DrawTick(Diff+SliderHeight+2,Y,Diff+SliderHeight+2+FTickSize,Y)
|
|---|
| 1797 | End;
|
|---|
| 1798 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmTopLeft)) Then
|
|---|
| 1799 | Begin
|
|---|
| 1800 | DrawTick(X,Y,X-FTickSize,Y);
|
|---|
| 1801 | End;
|
|---|
| 1802 | End;
|
|---|
| 1803 | Begin
|
|---|
| 1804 | GetSliderExtent(SliderWidth,SliderHeight);
|
|---|
| 1805 |
|
|---|
| 1806 | //Draw Slider And Box
|
|---|
| 1807 | DrawTrack(SliderWidth,SliderHeight);
|
|---|
| 1808 |
|
|---|
| 1809 | //Draw Ticks
|
|---|
| 1810 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmTopLeft)) Then Diff:=20
|
|---|
| 1811 | Else Diff:=2;
|
|---|
| 1812 | If Orientation=trHorizontal Then
|
|---|
| 1813 | Begin
|
|---|
| 1814 | Case FTickStyle Of
|
|---|
| 1815 | tsAuto:
|
|---|
| 1816 | Begin
|
|---|
| 1817 | Y:=Height-Diff-SliderHeight+2;
|
|---|
| 1818 | Dec(Y,5);
|
|---|
| 1819 |
|
|---|
| 1820 | Canvas.Pen.color:=clBlack;
|
|---|
| 1821 | For T:=Min To Max Do
|
|---|
| 1822 | Begin
|
|---|
| 1823 | X:=CoordFromPos(T);
|
|---|
| 1824 | DrawLabelX;
|
|---|
| 1825 | Inc(T,FFrequency-1);
|
|---|
| 1826 | End;
|
|---|
| 1827 | End;
|
|---|
| 1828 | tsManual,tsNone:
|
|---|
| 1829 | Begin
|
|---|
| 1830 | Y:=Height-Diff-SliderHeight+2;
|
|---|
| 1831 | Dec(Y,5);
|
|---|
| 1832 |
|
|---|
| 1833 | Canvas.Pen.color:=clBlack;
|
|---|
| 1834 | If FTickStyle=tsManual Then
|
|---|
| 1835 | Begin
|
|---|
| 1836 | X:=CoordFromPos(Min);
|
|---|
| 1837 | DrawLabelX;
|
|---|
| 1838 |
|
|---|
| 1839 | X:=CoordFromPos(Max);
|
|---|
| 1840 | DrawLabelX;
|
|---|
| 1841 | End;
|
|---|
| 1842 |
|
|---|
| 1843 | If FTicks<>Nil Then For T:=0 To FTicks.Count-1 Do
|
|---|
| 1844 | Begin
|
|---|
| 1845 | X:=CoordFromPos(LongInt(FTicks[T]));
|
|---|
| 1846 | DrawLabelX;
|
|---|
| 1847 | End;
|
|---|
| 1848 | End;
|
|---|
| 1849 | End; {Case}
|
|---|
| 1850 | X:=CoordFromPos(Max); // always final tick
|
|---|
| 1851 | DrawLabelX;
|
|---|
| 1852 | End
|
|---|
| 1853 | Else
|
|---|
| 1854 | Begin
|
|---|
| 1855 | Case FTickStyle Of
|
|---|
| 1856 | tsAuto:
|
|---|
| 1857 | Begin
|
|---|
| 1858 | X:=Diff-5;
|
|---|
| 1859 | If SliderHeight<>12 Then Dec(X,2);
|
|---|
| 1860 |
|
|---|
| 1861 | Canvas.Pen.color:=clBlack;
|
|---|
| 1862 | For T:=Min To Max Do
|
|---|
| 1863 | Begin
|
|---|
| 1864 | Y:=CoordFromPos(T);
|
|---|
| 1865 | DrawLabelY;
|
|---|
| 1866 | Inc(T,FFrequency-1);
|
|---|
| 1867 | End;
|
|---|
| 1868 | End;
|
|---|
| 1869 | tsManual,tsNone:
|
|---|
| 1870 | Begin
|
|---|
| 1871 | X:=Diff-5;
|
|---|
| 1872 | If SliderHeight<>12 Then Dec(X,2);
|
|---|
| 1873 |
|
|---|
| 1874 | Canvas.Pen.color:=clBlack;
|
|---|
| 1875 | If FTickStyle=tsManual Then
|
|---|
| 1876 | Begin
|
|---|
| 1877 | Y:=CoordFromPos(Min);
|
|---|
| 1878 | DrawLabelY;
|
|---|
| 1879 |
|
|---|
| 1880 | Y:=CoordFromPos(Max);
|
|---|
| 1881 | DrawLabelY;
|
|---|
| 1882 | End;
|
|---|
| 1883 |
|
|---|
| 1884 | If FTicks<>Nil Then For T:=0 To FTicks.Count-1 Do
|
|---|
| 1885 | Begin
|
|---|
| 1886 | Y:=CoordFromPos(LongInt(FTicks[T]));
|
|---|
| 1887 | DrawLabelY;
|
|---|
| 1888 | End;
|
|---|
| 1889 | End;
|
|---|
| 1890 | End; {Case}
|
|---|
| 1891 | Y:=CoordFromPos(Max); // always final tick
|
|---|
| 1892 | DrawLabelY;
|
|---|
| 1893 | End;
|
|---|
| 1894 |
|
|---|
| 1895 | //Erase background
|
|---|
| 1896 | If HasFocus Then
|
|---|
| 1897 | Begin
|
|---|
| 1898 | rc:=ClientRect;
|
|---|
| 1899 | Forms.InflateRect(rc,-1,-1);
|
|---|
| 1900 | End
|
|---|
| 1901 | Else rc:=rec;
|
|---|
| 1902 | Inherited Redraw(rc);
|
|---|
| 1903 |
|
|---|
| 1904 | If HasFocus Then If ShowFocusRect Then
|
|---|
| 1905 | Begin
|
|---|
| 1906 | Canvas.DeleteClipRegion;
|
|---|
| 1907 | rc:=ClientRect;
|
|---|
| 1908 | Canvas.DrawFocusRect(rc);
|
|---|
| 1909 | End;
|
|---|
| 1910 | End;
|
|---|
| 1911 |
|
|---|
| 1912 | Procedure TTrackBar.GetSliderExtent(Var SliderWidth,SliderHeight:LongInt);
|
|---|
| 1913 | Var Extent,Diff:LongInt;
|
|---|
| 1914 | Label vl,L,M,S;
|
|---|
| 1915 | Begin
|
|---|
| 1916 | Case SliderSize Of
|
|---|
| 1917 | tssAuto:
|
|---|
| 1918 | Begin
|
|---|
| 1919 | If Orientation=trHorizontal Then Extent:=Height
|
|---|
| 1920 | Else Extent:=Width;
|
|---|
| 1921 | If TickMarks=tmBoth Then Diff:=44
|
|---|
| 1922 | Else If TickMarks=tmTopLeft Then Diff:=24
|
|---|
| 1923 | Else If TickMarks=tmBottomRight Then Diff:=24;
|
|---|
| 1924 |
|
|---|
| 1925 | If Extent>35+Diff Then //super large Size
|
|---|
| 1926 | Begin
|
|---|
| 1927 | vl:
|
|---|
| 1928 | SliderWidth:=24;
|
|---|
| 1929 | SliderHeight:=45;
|
|---|
| 1930 | FTickSize:=12;
|
|---|
| 1931 | End
|
|---|
| 1932 | Else If Extent>25+Diff Then //large Size
|
|---|
| 1933 | Begin
|
|---|
| 1934 | L:
|
|---|
| 1935 | SliderWidth:=20;
|
|---|
| 1936 | SliderHeight:=38;
|
|---|
| 1937 | FTickSize:=8;
|
|---|
| 1938 | End
|
|---|
| 1939 | Else If Extent>20+Diff Then //medium Size
|
|---|
| 1940 | Begin
|
|---|
| 1941 | M:
|
|---|
| 1942 | SliderWidth:=16;
|
|---|
| 1943 | SliderHeight:=30;
|
|---|
| 1944 | FTickSize:=6;
|
|---|
| 1945 | End
|
|---|
| 1946 | Else //small Size
|
|---|
| 1947 | Begin
|
|---|
| 1948 | S:
|
|---|
| 1949 | SliderWidth:=6;
|
|---|
| 1950 | SliderHeight:=12;
|
|---|
| 1951 | FTickSize:=3;
|
|---|
| 1952 | End;
|
|---|
| 1953 | End;
|
|---|
| 1954 | tssVeryLarge:Goto vl;
|
|---|
| 1955 | tssLarge:Goto L;
|
|---|
| 1956 | tssMedium:Goto M;
|
|---|
| 1957 | tssSmall:Goto S;
|
|---|
| 1958 | End; {Case}
|
|---|
| 1959 | End;
|
|---|
| 1960 |
|
|---|
| 1961 | Function TTrackBar.CoordFromPos(Position:LongInt):LongInt;
|
|---|
| 1962 | Var
|
|---|
| 1963 | Scale:Extended;
|
|---|
| 1964 | WH:LongInt;
|
|---|
| 1965 | SliderWidth,SliderHeight:LongInt;
|
|---|
| 1966 | Begin
|
|---|
| 1967 | GetSliderExtent(SliderWidth,SliderHeight);
|
|---|
| 1968 | If Orientation=trHorizontal Then WH:=Width-2
|
|---|
| 1969 | Else WH:=Height-2;
|
|---|
| 1970 | Dec(WH,SliderWidth);
|
|---|
| 1971 | Scale:=WH/(Max-Min);
|
|---|
| 1972 | Result:=Round((Position-Min)*Scale);
|
|---|
| 1973 | Inc(Result,1+SliderWidth Div 2)
|
|---|
| 1974 | End;
|
|---|
| 1975 |
|
|---|
| 1976 | Function TTrackBar.PosFromCoord(Coord:LongInt):LongInt;
|
|---|
| 1977 | Var
|
|---|
| 1978 | Scale:Extended;
|
|---|
| 1979 | WH:LongInt;
|
|---|
| 1980 | SliderWidth,SliderHeight:LongInt;
|
|---|
| 1981 | Begin
|
|---|
| 1982 | GetSliderExtent(SliderWidth,SliderHeight);
|
|---|
| 1983 | If Orientation=trHorizontal Then WH:=Width-2
|
|---|
| 1984 | Else WH:=Height-2;
|
|---|
| 1985 | Dec(WH,SliderWidth Div 2);
|
|---|
| 1986 | Scale:=WH/(Max-Min);
|
|---|
| 1987 | Result:=Min+Round((Coord-1)/Scale);
|
|---|
| 1988 | End;
|
|---|
| 1989 |
|
|---|
| 1990 | Function TTrackBar.PosInsideSlider(X,Y:LongInt):Boolean;
|
|---|
| 1991 | Var SliderW,SliderH,Diff:LongInt;
|
|---|
| 1992 | pts:Array[0..3] Of TPoint;
|
|---|
| 1993 | Begin
|
|---|
| 1994 | GetSliderExtent(SliderW,SliderH);
|
|---|
| 1995 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmTopLeft)) Then Diff:=20
|
|---|
| 1996 | Else Diff:=2;
|
|---|
| 1997 |
|
|---|
| 1998 | If Orientation=trHorizontal Then
|
|---|
| 1999 | Begin
|
|---|
| 2000 | pts[0].X:=CoordFromPos(Position)-SliderW Div 2;
|
|---|
| 2001 | pts[0].Y:=Height-Diff-SliderH+2;
|
|---|
| 2002 | pts[1].X:=pts[0].X+SliderW;
|
|---|
| 2003 | pts[1].Y:=Height-Diff;
|
|---|
| 2004 |
|
|---|
| 2005 | Result:=((X>=pts[0].X)And(X<=pts[1].X)And(Y>=pts[0].Y)And(Y<=pts[1].Y));
|
|---|
| 2006 | End
|
|---|
| 2007 | Else
|
|---|
| 2008 | Begin
|
|---|
| 2009 | pts[0].Y:=CoordFromPos(Position)-SliderW Div 2;
|
|---|
| 2010 | pts[0].X:=Diff+2;
|
|---|
| 2011 | pts[1].Y:=pts[0].Y+SliderW;
|
|---|
| 2012 | pts[1].X:=pts[0].X+SliderH;
|
|---|
| 2013 |
|
|---|
| 2014 | Result:=((X>=pts[0].X)And(X<=pts[1].X)And(Y>=pts[0].Y)And(Y<=pts[1].Y));
|
|---|
| 2015 | End;
|
|---|
| 2016 | End;
|
|---|
| 2017 |
|
|---|
| 2018 | Function TTrackBar.PosInsideTrack(X,Y:LongInt):Boolean;
|
|---|
| 2019 | Var SliderW,SliderH,Diff:LongInt;
|
|---|
| 2020 | pts:Array[0..3] Of TPoint;
|
|---|
| 2021 | Begin
|
|---|
| 2022 | GetSliderExtent(SliderW,SliderH);
|
|---|
| 2023 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmTopLeft)) Then Diff:=20
|
|---|
| 2024 | Else Diff:=2;
|
|---|
| 2025 |
|
|---|
| 2026 | If Orientation=trHorizontal Then
|
|---|
| 2027 | Begin
|
|---|
| 2028 | pts[0].X:=3;
|
|---|
| 2029 | pts[0].Y:=Height-Diff-((SliderH Div 3)*2);
|
|---|
| 2030 | pts[1].X:=Width-3;
|
|---|
| 2031 | pts[1].Y:=Height-Diff-(SliderH Div 6);
|
|---|
| 2032 |
|
|---|
| 2033 | Result:=((X>=pts[0].X)And(X<=pts[1].X)And(Y>=pts[0].Y)And(Y<=pts[1].Y));
|
|---|
| 2034 | End
|
|---|
| 2035 | Else
|
|---|
| 2036 | Begin
|
|---|
| 2037 | pts[0].Y:=3;
|
|---|
| 2038 | pts[0].X:=Diff+SliderH Div 6;
|
|---|
| 2039 | pts[1].Y:=Height-3;
|
|---|
| 2040 | pts[1].X:=Diff+((SliderH Div 3)*2);
|
|---|
| 2041 |
|
|---|
| 2042 | Result:=((X>=pts[0].X)And(X<=pts[1].X)And(Y>=pts[0].Y)And(Y<=pts[1].Y));
|
|---|
| 2043 | End;
|
|---|
| 2044 | End;
|
|---|
| 2045 |
|
|---|
| 2046 | Procedure TTrackBar.MouseDown(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 2047 | Begin
|
|---|
| 2048 | Inherited MouseDown(Button,ShiftState,X,Y);
|
|---|
| 2049 | If Button=mbLeft Then
|
|---|
| 2050 | Begin
|
|---|
| 2051 | Focus;
|
|---|
| 2052 | If PosInsideSlider(X,Y) Then
|
|---|
| 2053 | Begin
|
|---|
| 2054 | MouseCapture:=True;
|
|---|
| 2055 | FTracking:=True;
|
|---|
| 2056 | UpdateSlider;
|
|---|
| 2057 | End
|
|---|
| 2058 | Else If PosInsideTrack(X,Y) Then
|
|---|
| 2059 | Begin
|
|---|
| 2060 | MouseCapture:=True;
|
|---|
| 2061 | FTrackTimer.Start;
|
|---|
| 2062 | End;
|
|---|
| 2063 | End;
|
|---|
| 2064 | End;
|
|---|
| 2065 |
|
|---|
| 2066 | Procedure TTrackBar.MouseUp(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 2067 | Begin
|
|---|
| 2068 | Inherited MouseUp(Button,ShiftState,X,Y);
|
|---|
| 2069 | If Button=mbLeft Then
|
|---|
| 2070 | Begin
|
|---|
| 2071 | If FTracking Then
|
|---|
| 2072 | Begin
|
|---|
| 2073 | MouseCapture:=False;
|
|---|
| 2074 | FTracking:=False;
|
|---|
| 2075 | UpdateSlider;
|
|---|
| 2076 | Change;
|
|---|
| 2077 | End
|
|---|
| 2078 | Else
|
|---|
| 2079 | Begin
|
|---|
| 2080 | MouseCapture:=False;
|
|---|
| 2081 | FTrackTimer.Stop;
|
|---|
| 2082 | End;
|
|---|
| 2083 | End;
|
|---|
| 2084 | End;
|
|---|
| 2085 |
|
|---|
| 2086 | Procedure TTrackBar.UpdateSlider;
|
|---|
| 2087 | Var rc,rc1:TRect;
|
|---|
| 2088 | SliderWidth,SliderHeight:LongInt;
|
|---|
| 2089 | Begin
|
|---|
| 2090 | If Canvas<>Nil Then
|
|---|
| 2091 | Begin
|
|---|
| 2092 | rc:=ClientRect;
|
|---|
| 2093 | Inc(rc.Right);
|
|---|
| 2094 | Inc(rc.Top);
|
|---|
| 2095 |
|
|---|
| 2096 | rc1:=rc;
|
|---|
| 2097 | GetSliderExtent(SliderWidth,SliderHeight);
|
|---|
| 2098 |
|
|---|
| 2099 | If Orientation=trHorizontal Then
|
|---|
| 2100 | Begin
|
|---|
| 2101 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmTopLeft)) Then Dec(rc.Top,15);
|
|---|
| 2102 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmBottomRight)) Then
|
|---|
| 2103 | Begin
|
|---|
| 2104 | rc.Bottom:=rc.Top-SliderHeight-4;
|
|---|
| 2105 | If SliderHeight=45 Then Inc(rc.Bottom);
|
|---|
| 2106 | End;
|
|---|
| 2107 | End
|
|---|
| 2108 | Else
|
|---|
| 2109 | Begin
|
|---|
| 2110 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmTopLeft)) Then Inc(rc.Left,15);
|
|---|
| 2111 | If ((FTickMarks=tmBoth)Or(FTickMarks=tmBottomRight)) Then rc.Right:=rc.Left+SliderHeight+5;
|
|---|
| 2112 | End;
|
|---|
| 2113 |
|
|---|
| 2114 | If rc.Top=rc1.Top Then Dec(rc.Top);
|
|---|
| 2115 | If rc.Right=rc1.Right Then Dec(rc.Right);
|
|---|
| 2116 | If rc.Left=rc1.Left Then Inc(rc.Left);
|
|---|
| 2117 | If rc.Bottom=rc1.Bottom Then Inc(rc.Bottom);
|
|---|
| 2118 | Canvas.ClipRect:=rc;
|
|---|
| 2119 | DrawTrack(SliderWidth,SliderHeight);
|
|---|
| 2120 | {?????????+-1}
|
|---|
| 2121 | Dec(rc.Right);
|
|---|
| 2122 | Dec(rc.Top);
|
|---|
| 2123 | Canvas.FillRect(rc,color);
|
|---|
| 2124 | Canvas.DeleteClipRegion;
|
|---|
| 2125 | End;
|
|---|
| 2126 | End;
|
|---|
| 2127 |
|
|---|
| 2128 | Procedure TTrackBar.MouseMove(ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 2129 | Var NewPos:LongInt;
|
|---|
| 2130 | Begin
|
|---|
| 2131 | Inherited MouseMove(ShiftState,X,Y);
|
|---|
| 2132 | If FTracking Then
|
|---|
| 2133 | Begin
|
|---|
| 2134 | If Orientation=trHorizontal Then NewPos:=PosFromCoord(X)
|
|---|
| 2135 | Else NewPos:=PosFromCoord(Y);
|
|---|
| 2136 | Position:=NewPos;
|
|---|
| 2137 | End;
|
|---|
| 2138 | End;
|
|---|
| 2139 |
|
|---|
| 2140 | Procedure TTrackBar.MouseClick(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 2141 | Var C:LongInt;
|
|---|
| 2142 | Begin
|
|---|
| 2143 | Inherited MouseClick(Button,ShiftState,X,Y);
|
|---|
| 2144 | If Button=mbLeft Then
|
|---|
| 2145 | Begin
|
|---|
| 2146 | If Not PosInsideSlider(X,Y) Then //If PosInsideTrack(X,Y) Then
|
|---|
| 2147 | Begin
|
|---|
| 2148 | C:=CoordFromPos(Position);
|
|---|
| 2149 | If Orientation=trHorizontal Then
|
|---|
| 2150 | Begin
|
|---|
| 2151 | If C<X Then Position:=Position+PageSize
|
|---|
| 2152 | Else Position:=Position-PageSize;
|
|---|
| 2153 | End
|
|---|
| 2154 | Else
|
|---|
| 2155 | Begin
|
|---|
| 2156 | If C<Y Then Position:=Position+PageSize
|
|---|
| 2157 | Else Position:=Position-PageSize;
|
|---|
| 2158 | End;
|
|---|
| 2159 | End;
|
|---|
| 2160 | End;
|
|---|
| 2161 | End;
|
|---|
| 2162 |
|
|---|
| 2163 | Procedure TTrackBar.MouseDblClick(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 2164 | Begin
|
|---|
| 2165 | MouseClick(Button,ShiftState,X,Y);
|
|---|
| 2166 | End;
|
|---|
| 2167 |
|
|---|
| 2168 | Procedure TTrackBar.EvTimer(Sender:TObject);
|
|---|
| 2169 | Var MPos:Array[0..0] Of TPoint;
|
|---|
| 2170 | C:LongInt;
|
|---|
| 2171 | SliderW,SliderH:LongInt;
|
|---|
| 2172 | Begin
|
|---|
| 2173 | If Sender=FTrackTimer Then
|
|---|
| 2174 | Begin
|
|---|
| 2175 | GetSliderExtent(SliderW,SliderH);
|
|---|
| 2176 | MPos[0]:=Screen.MousePos;
|
|---|
| 2177 | Screen.MapPoints(Self,MPos);
|
|---|
| 2178 | C:=CoordFromPos(Position);
|
|---|
| 2179 | If Not PosInsideSlider(MPos[0].X,MPos[0].Y) Then
|
|---|
| 2180 | Begin
|
|---|
| 2181 | If Orientation=trHorizontal Then
|
|---|
| 2182 | Begin
|
|---|
| 2183 | If C+SliderW<MPos[0].X Then Position:=Position+PageSize
|
|---|
| 2184 | Else If C>MPos[0].X+SliderW Then Position:=Position-PageSize;
|
|---|
| 2185 | End
|
|---|
| 2186 | Else
|
|---|
| 2187 | Begin
|
|---|
| 2188 | If C+SliderW Div 2<MPos[0].Y Then Position:=Position+PageSize
|
|---|
| 2189 | Else If C>MPos[0].Y+SliderW Div 2 Then Position:=Position-PageSize;
|
|---|
| 2190 | End;
|
|---|
| 2191 | End;
|
|---|
| 2192 | End;
|
|---|
| 2193 | End;
|
|---|
| 2194 |
|
|---|
| 2195 | Procedure TTrackBar.SetFocus;
|
|---|
| 2196 | Begin
|
|---|
| 2197 | Inherited SetFocus;
|
|---|
| 2198 | Invalidate;
|
|---|
| 2199 | End;
|
|---|
| 2200 |
|
|---|
| 2201 | Procedure TTrackBar.KillFocus;
|
|---|
| 2202 | Begin
|
|---|
| 2203 | Inherited KillFocus;
|
|---|
| 2204 | Invalidate;
|
|---|
| 2205 | End;
|
|---|
| 2206 |
|
|---|
| 2207 | Procedure TTrackBar.ScanEvent(Var KeyCode:TKeyCode;RepeatCount:Byte);
|
|---|
| 2208 | Begin
|
|---|
| 2209 | Case KeyCode Of
|
|---|
| 2210 | kbCLeft:If Orientation=trHorizontal Then Position:=Position-LineSize;
|
|---|
| 2211 | kbCRight:If Orientation=trHorizontal Then Position:=Position+LineSize;
|
|---|
| 2212 | kbCUp:If Orientation=trVertical Then Position:=Position+LineSize;
|
|---|
| 2213 | kbCDown:If Orientation=trVertical Then Position:=Position-LineSize;
|
|---|
| 2214 | kbPageDown:Position:=Position-PageSize;
|
|---|
| 2215 | kbPageUp:Position:=Position+PageSize;
|
|---|
| 2216 | Else
|
|---|
| 2217 | Begin
|
|---|
| 2218 | Inherited ScanEvent(KeyCode,RepeatCount);
|
|---|
| 2219 | exit;
|
|---|
| 2220 | End;
|
|---|
| 2221 | End; //Case
|
|---|
| 2222 |
|
|---|
| 2223 | // had a match... swallow keypress
|
|---|
| 2224 | KeyCode := kbNull;
|
|---|
| 2225 | End;
|
|---|
| 2226 |
|
|---|
| 2227 | Procedure TTrackBar.SetTick(Pos:LongInt);
|
|---|
| 2228 | Begin
|
|---|
| 2229 | If FTicks=Nil Then FTicks.Create;
|
|---|
| 2230 | FTicks.Add(Pointer(Pos));
|
|---|
| 2231 | End;
|
|---|
| 2232 |
|
|---|
| 2233 | Procedure TTrackBar.ClearTicks;
|
|---|
| 2234 | Begin
|
|---|
| 2235 | If FTicks<>Nil Then FTicks.Clear;
|
|---|
| 2236 | End;
|
|---|
| 2237 |
|
|---|
| 2238 | Procedure TTrackBar.BeginUpdate;
|
|---|
| 2239 | Begin
|
|---|
| 2240 | FUpdating:=True;
|
|---|
| 2241 | End;
|
|---|
| 2242 |
|
|---|
| 2243 | Procedure TTrackBar.EndUpdate;
|
|---|
| 2244 | Begin
|
|---|
| 2245 | FUpdating:=False;
|
|---|
| 2246 | Invalidate;
|
|---|
| 2247 | End;
|
|---|
| 2248 |
|
|---|
| 2249 | Procedure TTrackBar.SetSliderSize(NewSize:TTrackSliderSize);
|
|---|
| 2250 | Begin
|
|---|
| 2251 | FSliderSize:=NewSize;
|
|---|
| 2252 | If Not FUpdating Then Invalidate;
|
|---|
| 2253 | End;
|
|---|
| 2254 |
|
|---|
| 2255 | {
|
|---|
| 2256 | ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 2257 | º º
|
|---|
| 2258 | º Speed-Pascal/2 Version 2.0 º
|
|---|
| 2259 | º º
|
|---|
| 2260 | º Speed-Pascal Component Classes (SPCC) º
|
|---|
| 2261 | º º
|
|---|
| 2262 | º This section: TStatusPanel Class Implementation º
|
|---|
| 2263 | º º
|
|---|
| 2264 | º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
|
|---|
| 2265 | º º
|
|---|
| 2266 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 2267 | }
|
|---|
| 2268 |
|
|---|
| 2269 | Function TStatusPanel.GetText:String;
|
|---|
| 2270 | Begin
|
|---|
| 2271 | If FText<>Nil Then Result:=FText^
|
|---|
| 2272 | Else Result:='';
|
|---|
| 2273 | End;
|
|---|
| 2274 |
|
|---|
| 2275 | Procedure TStatusPanel.SetText(Const NewValue:String);
|
|---|
| 2276 | Begin
|
|---|
| 2277 | If FText<>Nil Then
|
|---|
| 2278 | Begin
|
|---|
| 2279 | If NewValue=FText^ Then Exit;
|
|---|
| 2280 | FreeMem(FText,Length(FText^)+1);
|
|---|
| 2281 | End;
|
|---|
| 2282 |
|
|---|
| 2283 | GetMem(FText,Length(NewValue)+1);
|
|---|
| 2284 | FText^:=NewValue;
|
|---|
| 2285 | changed(False);
|
|---|
| 2286 | End;
|
|---|
| 2287 |
|
|---|
| 2288 | Procedure TStatusPanel.SetWidth(NewValue:LongInt);
|
|---|
| 2289 | Begin
|
|---|
| 2290 | If NewValue=FWidth Then Exit;
|
|---|
| 2291 | FWidth:=NewValue;
|
|---|
| 2292 | changed(True);
|
|---|
| 2293 | End;
|
|---|
| 2294 |
|
|---|
| 2295 | Procedure TStatusPanel.SetAlignment(NewValue:TAlignment);
|
|---|
| 2296 | Begin
|
|---|
| 2297 | If NewValue=FAlignment Then Exit;
|
|---|
| 2298 | FAlignment:=NewValue;
|
|---|
| 2299 | changed(False);
|
|---|
| 2300 | End;
|
|---|
| 2301 |
|
|---|
| 2302 | Procedure TStatusPanel.SetBevel(NewValue:TStatusPanelBevel);
|
|---|
| 2303 | Begin
|
|---|
| 2304 | If NewValue=FBevel Then Exit;
|
|---|
| 2305 | FBevel:=NewValue;
|
|---|
| 2306 | changed(True);
|
|---|
| 2307 | End;
|
|---|
| 2308 |
|
|---|
| 2309 | Procedure TStatusPanel.SetStyle(NewValue:TStatusPanelStyle);
|
|---|
| 2310 | Begin
|
|---|
| 2311 | If NewValue=FStyle Then Exit;
|
|---|
| 2312 | FStyle:=NewValue;
|
|---|
| 2313 | changed(False);
|
|---|
| 2314 | End;
|
|---|
| 2315 |
|
|---|
| 2316 | Constructor TStatusPanel.Create(ACollection:TCollection);
|
|---|
| 2317 | Begin
|
|---|
| 2318 | FBevel:=pbLowered;
|
|---|
| 2319 | FAlignment:=taLeftJustify;
|
|---|
| 2320 | FStyle:=psText;
|
|---|
| 2321 | FWidth:=100;
|
|---|
| 2322 | Inherited Create(ACollection);
|
|---|
| 2323 | End;
|
|---|
| 2324 |
|
|---|
| 2325 | Destructor TStatusPanel.Destroy;
|
|---|
| 2326 | Begin
|
|---|
| 2327 | If FText<>Nil Then FreeMem(FText,Length(FText^)+1);
|
|---|
| 2328 |
|
|---|
| 2329 | Inherited Destroy;
|
|---|
| 2330 | End;
|
|---|
| 2331 |
|
|---|
| 2332 | Procedure TStatusPanel.Assign(Source:TCollectionItem);
|
|---|
| 2333 | Begin
|
|---|
| 2334 | If Source Is TStatusPanel Then
|
|---|
| 2335 | If Source<>Self Then
|
|---|
| 2336 | Begin
|
|---|
| 2337 | FBevel:=TStatusPanel(Source).Bevel;
|
|---|
| 2338 | FStyle:=TStatusPanel(Source).Style;
|
|---|
| 2339 | FAlignment:=TStatusPanel(Source).Alignment;
|
|---|
| 2340 | Width:=TStatusPanel(Source).Width;
|
|---|
| 2341 | Text:=TStatusPanel(Source).Text;
|
|---|
| 2342 | End;
|
|---|
| 2343 | End;
|
|---|
| 2344 |
|
|---|
| 2345 | {
|
|---|
| 2346 | ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 2347 | º º
|
|---|
| 2348 | º Speed-Pascal/2 Version 2.0 º
|
|---|
| 2349 | º º
|
|---|
| 2350 | º Speed-Pascal Component Classes (SPCC) º
|
|---|
| 2351 | º º
|
|---|
| 2352 | º This section: TStatusPanels Class Implementation º
|
|---|
| 2353 | º º
|
|---|
| 2354 | º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
|
|---|
| 2355 | º º
|
|---|
| 2356 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 2357 | }
|
|---|
| 2358 |
|
|---|
| 2359 |
|
|---|
| 2360 | Function TStatusPanels.GetItem(Index:LongInt):TStatusPanel;
|
|---|
| 2361 | Var dummy:TCollectionItem;
|
|---|
| 2362 | Begin
|
|---|
| 2363 | dummy:=Inherited GetItem(Index);
|
|---|
| 2364 | Result:=TStatusPanel(dummy);
|
|---|
| 2365 | End;
|
|---|
| 2366 |
|
|---|
| 2367 | Procedure TStatusPanels.SetItem(Index:LongInt;Value:TStatusPanel);
|
|---|
| 2368 | Begin
|
|---|
| 2369 | Inherited SetItem(Index,Value);
|
|---|
| 2370 | End;
|
|---|
| 2371 |
|
|---|
| 2372 | Procedure TStatusPanels.Update(Item:TCollectionItem);
|
|---|
| 2373 | Begin
|
|---|
| 2374 | If FStatusBar=Nil Then Exit;
|
|---|
| 2375 | If Item=Nil Then FStatusBar.Invalidate
|
|---|
| 2376 | Else FStatusBar.UpdatePanel(TStatusPanel(Item));
|
|---|
| 2377 | End;
|
|---|
| 2378 |
|
|---|
| 2379 | Procedure TStatusPanels.SetupComponent;
|
|---|
| 2380 | Begin
|
|---|
| 2381 | Inherited SetupComponent;
|
|---|
| 2382 |
|
|---|
| 2383 | Name:='StatusPanels';
|
|---|
| 2384 | If Owner Is TStatusBar Then FStatusBar:=TStatusBar(Owner);
|
|---|
| 2385 | ItemClass:=TStatusPanel;
|
|---|
| 2386 | End;
|
|---|
| 2387 |
|
|---|
| 2388 | Function TStatusPanels.Add:TStatusPanel;
|
|---|
| 2389 | Var dummy:TCollectionItem;
|
|---|
| 2390 | Begin
|
|---|
| 2391 | dummy:=Inherited Add;
|
|---|
| 2392 | Result:=TStatusPanel(dummy);
|
|---|
| 2393 | End;
|
|---|
| 2394 |
|
|---|
| 2395 | {
|
|---|
| 2396 | ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 2397 | º º
|
|---|
| 2398 | º Speed-Pascal/2 Version 2.0 º
|
|---|
| 2399 | º º
|
|---|
| 2400 | º Speed-Pascal Component Classes (SPCC) º
|
|---|
| 2401 | º º
|
|---|
| 2402 | º This section: TStatusBar Class Implementation º
|
|---|
| 2403 | º º
|
|---|
| 2404 | º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
|
|---|
| 2405 | º º
|
|---|
| 2406 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 2407 | }
|
|---|
| 2408 |
|
|---|
| 2409 | Procedure TStatusBar.UpdatePanel(Panel:TStatusPanel);
|
|---|
| 2410 | Var rc:TRect;
|
|---|
| 2411 | T:LongInt;
|
|---|
| 2412 | Begin
|
|---|
| 2413 | If FSimplePanel Then
|
|---|
| 2414 | Begin
|
|---|
| 2415 | Invalidate;
|
|---|
| 2416 | Exit;
|
|---|
| 2417 | End;
|
|---|
| 2418 |
|
|---|
| 2419 | //Get Rectangle For the Panel
|
|---|
| 2420 | rc:=ClientRect;
|
|---|
| 2421 | For T:=0 To FPanels.Count-1 Do
|
|---|
| 2422 | Begin
|
|---|
| 2423 | If FPanels[T]=Panel Then break
|
|---|
| 2424 | Else Inc(rc.Left,FPanels[T].Width+FSpacing);
|
|---|
| 2425 | End;
|
|---|
| 2426 |
|
|---|
| 2427 | rc.Right:=rc.Left+Panel.Width;
|
|---|
| 2428 | InvalidateRect(rc);
|
|---|
| 2429 | Update;
|
|---|
| 2430 | End;
|
|---|
| 2431 |
|
|---|
| 2432 | Procedure TStatusBar.SetSimpleText(Const NewText:String);
|
|---|
| 2433 | Begin
|
|---|
| 2434 | FSimpleText:=NewText;
|
|---|
| 2435 | If FSimplePanel Then Invalidate;
|
|---|
| 2436 | End;
|
|---|
| 2437 |
|
|---|
| 2438 | Procedure TStatusBar.SetSimplePanel(NewValue:Boolean);
|
|---|
| 2439 | Begin
|
|---|
| 2440 | FSimplePanel:=NewValue;
|
|---|
| 2441 | {If FSimplePanel Then} Invalidate;
|
|---|
| 2442 | End;
|
|---|
| 2443 |
|
|---|
| 2444 | Procedure TStatusBar.SetPanels(NewValue:TStatusPanels);
|
|---|
| 2445 | Begin
|
|---|
| 2446 | FPanels.Assign(NewValue);
|
|---|
| 2447 | End;
|
|---|
| 2448 |
|
|---|
| 2449 | Procedure TStatusBar.SetSizeGrip(NewValue:Boolean);
|
|---|
| 2450 | Begin
|
|---|
| 2451 | FSizeGrip:=NewValue;
|
|---|
| 2452 | Invalidate;
|
|---|
| 2453 | End;
|
|---|
| 2454 |
|
|---|
| 2455 | Procedure TStatusBar.SetSpacing(NewValue:LongInt);
|
|---|
| 2456 | Begin
|
|---|
| 2457 | If FSpacing<0 Then FSpacing:=0;
|
|---|
| 2458 | FSpacing:=NewValue;
|
|---|
| 2459 | Invalidate;
|
|---|
| 2460 | End;
|
|---|
| 2461 |
|
|---|
| 2462 | Procedure TStatusBar.SetupComponent;
|
|---|
| 2463 | Begin
|
|---|
| 2464 | Inherited SetupComponent;
|
|---|
| 2465 |
|
|---|
| 2466 | Align:=alBottom;
|
|---|
| 2467 | Name:='StatusBar';
|
|---|
| 2468 | FSizeGrip:=True;
|
|---|
| 2469 | FPanels.Create(Self);
|
|---|
| 2470 | Height:=35;
|
|---|
| 2471 | FSpacing:=2;
|
|---|
| 2472 | End;
|
|---|
| 2473 |
|
|---|
| 2474 | Destructor TStatusBar.Destroy;
|
|---|
| 2475 | Begin
|
|---|
| 2476 | FPanels.Destroy;
|
|---|
| 2477 | Inherited Destroy;
|
|---|
| 2478 | End;
|
|---|
| 2479 |
|
|---|
| 2480 | Procedure TStatusBar.DrawPanel(Panel:TStatusPanel;Const rc:TRect);
|
|---|
| 2481 | Var
|
|---|
| 2482 | Align:TAlignment;
|
|---|
| 2483 | S:String;
|
|---|
| 2484 | Bev:TStatusPanelBevel;
|
|---|
| 2485 | CX,CY,H:LongInt;
|
|---|
| 2486 | RaisedColor,LoweredColor:TColor;
|
|---|
| 2487 | rec:TRect;
|
|---|
| 2488 | Begin
|
|---|
| 2489 | If Panel=Nil Then
|
|---|
| 2490 | Begin
|
|---|
| 2491 | Align:=taLeftJustify;
|
|---|
| 2492 | S:=FSimpleText;
|
|---|
| 2493 | If Style=bsLowered Then Bev:=pbLowered
|
|---|
| 2494 | Else Bev:=pbRaised;
|
|---|
| 2495 | End
|
|---|
| 2496 | Else
|
|---|
| 2497 | Begin
|
|---|
| 2498 | Align:=Panel.Alignment;
|
|---|
| 2499 | S:=Panel.Text;
|
|---|
| 2500 | Bev:=Panel.Bevel;
|
|---|
| 2501 | End;
|
|---|
| 2502 |
|
|---|
| 2503 | Canvas.GetTextExtent(S,CX,CY);
|
|---|
| 2504 |
|
|---|
| 2505 | Case Align Of
|
|---|
| 2506 | taLeftJustify:rec.Left:=rc.Left+3;
|
|---|
| 2507 | taRightJustify:rec.Left:=rc.Right-3-CX;
|
|---|
| 2508 | Else //taCenter
|
|---|
| 2509 | Begin
|
|---|
| 2510 | H:=rc.Right-rc.Left;
|
|---|
| 2511 | rec.Left:=rc.Left+((H-CX) Div 2);
|
|---|
| 2512 | End;
|
|---|
| 2513 | End; //Case
|
|---|
| 2514 |
|
|---|
| 2515 | If rec.Left<rc.Left+3 Then rec.Left:=rc.Left+3;
|
|---|
| 2516 | H:=rc.Top-rc.Bottom;
|
|---|
| 2517 | rec.Bottom:=rc.Bottom+((H-CY) Div 2);
|
|---|
| 2518 | If rec.Bottom<rc.Bottom+3 Then rec.Bottom:=rc.Bottom+3;
|
|---|
| 2519 | rec.Right:=rec.Left+CX-1;
|
|---|
| 2520 | rec.Top:=rec.Bottom+CY-1;
|
|---|
| 2521 |
|
|---|
| 2522 | Canvas.TextOut(rec.Left,rec.Bottom,S);
|
|---|
| 2523 |
|
|---|
| 2524 | Canvas.ExcludeClipRect(rec);
|
|---|
| 2525 |
|
|---|
| 2526 | If Bev=pbNone Then Canvas.FillRect(rc,color)
|
|---|
| 2527 | Else
|
|---|
| 2528 | Begin
|
|---|
| 2529 | If Bev=pbRaised Then
|
|---|
| 2530 | Begin
|
|---|
| 2531 | RaisedColor:=clWhite;
|
|---|
| 2532 | LoweredColor:=clDkGray;
|
|---|
| 2533 | End
|
|---|
| 2534 | Else
|
|---|
| 2535 | Begin
|
|---|
| 2536 | RaisedColor:=clDkGray;
|
|---|
| 2537 | LoweredColor:=clWhite;
|
|---|
| 2538 | End;
|
|---|
| 2539 |
|
|---|
| 2540 | Canvas.ShadowedBorder(rc,RaisedColor,LoweredColor);
|
|---|
| 2541 | rec:=rc;
|
|---|
| 2542 | Forms.InflateRect(rec,-1,-1);
|
|---|
| 2543 | Canvas.FillRect(rec,color)
|
|---|
| 2544 | End;
|
|---|
| 2545 | End;
|
|---|
| 2546 |
|
|---|
| 2547 | Procedure TStatusBar.Redraw(Const rec:TRect);
|
|---|
| 2548 | Var T:LongInt;
|
|---|
| 2549 | rc,rc2:TRect;
|
|---|
| 2550 | Panel:TStatusPanel;
|
|---|
| 2551 | Begin
|
|---|
| 2552 | Canvas.ClipRect:=rec;
|
|---|
| 2553 | Canvas.Pen.color:=PenColor;
|
|---|
| 2554 | Canvas.Brush.color:=color;
|
|---|
| 2555 |
|
|---|
| 2556 | If ((FSimplePanel)Or(FPanels.Count=0)) Then
|
|---|
| 2557 | Begin
|
|---|
| 2558 | rc:=ClientRect;
|
|---|
| 2559 | DrawPanel(Nil,rc);
|
|---|
| 2560 | End
|
|---|
| 2561 | Else
|
|---|
| 2562 | Begin
|
|---|
| 2563 | rc:=ClientRect;
|
|---|
| 2564 |
|
|---|
| 2565 | For T:=0 To FPanels.Count-1 Do
|
|---|
| 2566 | Begin
|
|---|
| 2567 | Panel:=FPanels[T];
|
|---|
| 2568 | If T=FPanels.Count-1 Then rc.Right:=Width-1
|
|---|
| 2569 | Else rc.Right:=rc.Left+Panel.Width;
|
|---|
| 2570 | If rc.Right>Width-1 Then rc.Right:=Width-1;
|
|---|
| 2571 |
|
|---|
| 2572 | rc2:=Forms.IntersectRect(rc,rec);
|
|---|
| 2573 | If Not Forms.IsRectEmpty(rc2) Then
|
|---|
| 2574 | Begin
|
|---|
| 2575 | Canvas.ClipRect:=rc2;
|
|---|
| 2576 |
|
|---|
| 2577 | If Panel.Style=psOwnerDraw Then
|
|---|
| 2578 | Begin
|
|---|
| 2579 | If OnDrawPanel<>Nil Then OnDrawPanel(Self,Panel,rc)
|
|---|
| 2580 | Else DrawPanel(Panel,rc);
|
|---|
| 2581 | End
|
|---|
| 2582 | Else DrawPanel(Panel,rc);
|
|---|
| 2583 | End;
|
|---|
| 2584 | Inc(rc.Left,Panel.Width+FSpacing);
|
|---|
| 2585 | End;
|
|---|
| 2586 |
|
|---|
| 2587 | Canvas.ClipRect:=rec;
|
|---|
| 2588 | rc:=ClientRect;
|
|---|
| 2589 | For T:=0 To FPanels.Count-1 Do
|
|---|
| 2590 | Begin
|
|---|
| 2591 | Panel:=FPanels[T];
|
|---|
| 2592 | If T=FPanels.Count-1 Then rc.Right:=Width-1
|
|---|
| 2593 | Else rc.Right:=rc.Left+Panel.Width;
|
|---|
| 2594 | If rc.Right>Width-1 Then rc.Right:=Width-1;
|
|---|
| 2595 |
|
|---|
| 2596 | Canvas.ExcludeClipRect(rc);
|
|---|
| 2597 | Inc(rc.Left,Panel.Width+FSpacing);
|
|---|
| 2598 | End;
|
|---|
| 2599 |
|
|---|
| 2600 | Canvas.FillRect(rec,color); //Delete rest
|
|---|
| 2601 | End;
|
|---|
| 2602 | Canvas.DeleteClipRegion;
|
|---|
| 2603 |
|
|---|
| 2604 | If SizeGrip Then
|
|---|
| 2605 | Begin
|
|---|
| 2606 | For T:=0 To 12 Do
|
|---|
| 2607 | Begin
|
|---|
| 2608 | Canvas.Pen.color:=clLtGray;
|
|---|
| 2609 | Canvas.Line(Width-T-1,0,Width-1,T);
|
|---|
| 2610 | Inc(T);
|
|---|
| 2611 | Canvas.Pen.color:=clDkGray;
|
|---|
| 2612 | Canvas.Line(Width-T-1,0,Width-1,T);
|
|---|
| 2613 | Inc(T);
|
|---|
| 2614 | Canvas.Pen.color:=clWhite;
|
|---|
| 2615 | Canvas.Line(Width-T-1,0,Width-1,T);
|
|---|
| 2616 | End;
|
|---|
| 2617 | End;
|
|---|
| 2618 | End;
|
|---|
| 2619 |
|
|---|
| 2620 | Type
|
|---|
| 2621 | PPanelItem=^TPanelItem;
|
|---|
| 2622 | TPanelItem=Record
|
|---|
| 2623 | Style:TStatusPanelStyle;
|
|---|
| 2624 | Bevel:TStatusPanelBevel;
|
|---|
| 2625 | Width:LongInt;
|
|---|
| 2626 | Alignment:TAlignment;
|
|---|
| 2627 | End;
|
|---|
| 2628 |
|
|---|
| 2629 | Procedure TStatusBar.ReadSCUResource(Const ResName:TResourceName;Var Data;DataLen:LongInt);
|
|---|
| 2630 | Var
|
|---|
| 2631 | Count:^LongInt;
|
|---|
| 2632 | Items:PPanelItem;
|
|---|
| 2633 | Panel:TStatusPanel;
|
|---|
| 2634 | T:LongInt;
|
|---|
| 2635 | ps:^String;
|
|---|
| 2636 | Begin
|
|---|
| 2637 | If ResName = rnStatusPanels Then
|
|---|
| 2638 | Begin
|
|---|
| 2639 | Count:=@Data;
|
|---|
| 2640 | Items:=@Data;
|
|---|
| 2641 | Inc(Items,4);
|
|---|
| 2642 | For T:=1 To Count^ Do
|
|---|
| 2643 | Begin
|
|---|
| 2644 | Panel:=FPanels.Add;
|
|---|
| 2645 | ps:=Pointer(Items);
|
|---|
| 2646 | Panel.Text:=ps^;
|
|---|
| 2647 | Inc(Items,Length(ps^)+1);
|
|---|
| 2648 | Panel.Bevel:=Items^.Bevel;
|
|---|
| 2649 | Panel.Style:=Items^.Style;
|
|---|
| 2650 | Panel.Alignment:=Items^.Alignment;
|
|---|
| 2651 | Panel.Width:=Items^.Width;
|
|---|
| 2652 | Inc(Items,SizeOf(TPanelItem));
|
|---|
| 2653 | End;
|
|---|
| 2654 | End
|
|---|
| 2655 | Else Inherited ReadSCUResource(ResName,Data,DataLen);
|
|---|
| 2656 | End;
|
|---|
| 2657 |
|
|---|
| 2658 |
|
|---|
| 2659 | Function TStatusBar.WriteSCUResource(Stream:TResourceStream):Boolean;
|
|---|
| 2660 | Var MemStream:TMemoryStream;
|
|---|
| 2661 | T:LongInt;
|
|---|
| 2662 | Item:TPanelItem;
|
|---|
| 2663 | Panel:TStatusPanel;
|
|---|
| 2664 | S:String;
|
|---|
| 2665 | Begin
|
|---|
| 2666 | Result := Inherited WriteSCUResource(Stream);
|
|---|
| 2667 | If Not Result Then Exit;
|
|---|
| 2668 |
|
|---|
| 2669 | If FPanels.Count>0 Then
|
|---|
| 2670 | Begin
|
|---|
| 2671 | MemStream.Create;
|
|---|
| 2672 | T:=FPanels.Count;
|
|---|
| 2673 | MemStream.Write(T,4);
|
|---|
| 2674 | For T:=0 To FPanels.Count-1 Do
|
|---|
| 2675 | Begin
|
|---|
| 2676 | Panel:=FPanels[T];
|
|---|
| 2677 | S:=Panel.Text;
|
|---|
| 2678 | MemStream.Write(S,Length(S)+1);
|
|---|
| 2679 | Item.Style:=Panel.Style;
|
|---|
| 2680 | Item.Bevel:=Panel.Bevel;
|
|---|
| 2681 | Item.Width:=Panel.Width;
|
|---|
| 2682 | Item.Alignment:=Panel.Alignment;
|
|---|
| 2683 | MemStream.Write(Item,SizeOf(TPanelItem));
|
|---|
| 2684 | End;
|
|---|
| 2685 |
|
|---|
| 2686 | Result:=Stream.NewResourceEntry(rnStatusPanels,MemStream.Memory^,MemStream.Size);
|
|---|
| 2687 | MemStream.Destroy;
|
|---|
| 2688 | End;
|
|---|
| 2689 | End;
|
|---|
| 2690 |
|
|---|
| 2691 | // Returns true if the given X,Y position is on the
|
|---|
| 2692 | // sizing grip
|
|---|
| 2693 | Function TStatusBar.IsPointOnSizeGrip(X,Y:longint):Boolean;
|
|---|
| 2694 | Begin
|
|---|
| 2695 | Result := false;
|
|---|
| 2696 | if X < (Width-16) then
|
|---|
| 2697 | exit;
|
|---|
| 2698 | if Y > 16 then
|
|---|
| 2699 | exit;
|
|---|
| 2700 | if ( X - (Width-16) ) < Y then
|
|---|
| 2701 | exit;
|
|---|
| 2702 | Result := true;
|
|---|
| 2703 | End;
|
|---|
| 2704 |
|
|---|
| 2705 | Procedure TStatusBar.MouseDown(Button:TMouseButton;
|
|---|
| 2706 | ShiftState:TShiftState;
|
|---|
| 2707 | X,Y:LongInt);
|
|---|
| 2708 | Begin
|
|---|
| 2709 | inherited MouseDown(Button,ShiftState,X,Y);
|
|---|
| 2710 | if not IsPointOnSizeGrip(X,Y) then
|
|---|
| 2711 | exit;
|
|---|
| 2712 | if not ( Parent is TForm ) then
|
|---|
| 2713 | exit;
|
|---|
| 2714 | // tell frame window to start tracking from this position.
|
|---|
| 2715 | SendMsg( TForm( Parent ).Frame.Handle,
|
|---|
| 2716 | WM_TRACKFRAME,
|
|---|
| 2717 | TF_BOTTOM + TF_RIGHT, // size bottom and right sides
|
|---|
| 2718 | 0 );
|
|---|
| 2719 | End;
|
|---|
| 2720 |
|
|---|
| 2721 | Procedure TStatusBar.MouseMove(ShiftState:TShiftState;
|
|---|
| 2722 | X,Y:LongInt);
|
|---|
| 2723 | Begin
|
|---|
| 2724 | inherited MouseMove(ShiftState,X,Y);
|
|---|
| 2725 |
|
|---|
| 2726 | // if mouse is over size grip
|
|---|
| 2727 | if IsPointOnSizeGrip(X,Y) then
|
|---|
| 2728 | // change to a sizing cursor
|
|---|
| 2729 | Cursor := crSizeNWSE
|
|---|
| 2730 | else
|
|---|
| 2731 | // it's not, back to normal cursor
|
|---|
| 2732 | Cursor := crDefault;
|
|---|
| 2733 | End;
|
|---|
| 2734 |
|
|---|
| 2735 | {
|
|---|
| 2736 | ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 2737 | º º
|
|---|
| 2738 | º Speed-Pascal/2 Version 2.0 º
|
|---|
| 2739 | º º
|
|---|
| 2740 | º Speed-Pascal Component Classes (SPCC) º
|
|---|
| 2741 | º º
|
|---|
| 2742 | º This section: THeaderControl Class Implementation º
|
|---|
| 2743 | º º
|
|---|
| 2744 | º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
|
|---|
| 2745 | º º
|
|---|
| 2746 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 2747 | }
|
|---|
| 2748 |
|
|---|
| 2749 | Function THeaderSection.GetText:String;
|
|---|
| 2750 | Begin
|
|---|
| 2751 | If FText<>Nil Then Result:=FText^
|
|---|
| 2752 | Else Result:='';
|
|---|
| 2753 | End;
|
|---|
| 2754 |
|
|---|
| 2755 | Procedure THeaderSection.SetText(Const NewValue:String);
|
|---|
| 2756 | Begin
|
|---|
| 2757 | If FText<>Nil Then
|
|---|
| 2758 | Begin
|
|---|
| 2759 | If FText^=NewValue Then Exit;
|
|---|
| 2760 | FreeMem(FText,Length(FText^)+1);
|
|---|
| 2761 | End;
|
|---|
| 2762 | GetMem(FText,Length(NewValue)+1);
|
|---|
| 2763 | FText^:=NewValue;
|
|---|
| 2764 | changed(False);
|
|---|
| 2765 | End;
|
|---|
| 2766 |
|
|---|
| 2767 | Procedure THeaderSection.SetWidth(NewValue:LongInt);
|
|---|
| 2768 | Begin
|
|---|
| 2769 | If NewValue<FMinWidth Then NewValue:=FMinWidth;
|
|---|
| 2770 | If NewValue>FMaxWidth Then NewValue:=FMaxWidth;
|
|---|
| 2771 | If NewValue=FWidth Then Exit;
|
|---|
| 2772 | FWidth:=NewValue;
|
|---|
| 2773 | changed(True);
|
|---|
| 2774 | End;
|
|---|
| 2775 |
|
|---|
| 2776 | Function THeaderSection.GetLeft:LongInt;
|
|---|
| 2777 | Var T:LongInt;
|
|---|
| 2778 | Sections:THeaderSections;
|
|---|
| 2779 | Begin
|
|---|
| 2780 | Result:=0;
|
|---|
| 2781 | Sections:=THeaderSections(collection);
|
|---|
| 2782 | If Sections<>Nil Then For T:=0 To Index-1 Do
|
|---|
| 2783 | Begin
|
|---|
| 2784 | Inc(Result,Sections[T].Width+1);
|
|---|
| 2785 | If Sections.FHeaderControl<>Nil Then Inc(Result,Sections.FHeaderControl.FSpacing);
|
|---|
| 2786 | End;
|
|---|
| 2787 | End;
|
|---|
| 2788 |
|
|---|
| 2789 | Function THeaderSection.GetRight:LongInt;
|
|---|
| 2790 | Begin
|
|---|
| 2791 | Result:=Left+Width;
|
|---|
| 2792 | End;
|
|---|
| 2793 |
|
|---|
| 2794 | Procedure THeaderSection.SetStyle(NewValue:THeaderSectionStyle);
|
|---|
| 2795 | Begin
|
|---|
| 2796 | If NewValue=FStyle Then Exit;
|
|---|
| 2797 | FStyle:=NewValue;
|
|---|
| 2798 | changed(False);
|
|---|
| 2799 | End;
|
|---|
| 2800 |
|
|---|
| 2801 | Procedure THeaderSection.SetAlignment(NewValue:TAlignment);
|
|---|
| 2802 | Begin
|
|---|
| 2803 | If NewValue=FAlignment Then Exit;
|
|---|
| 2804 | FAlignment:=NewValue;
|
|---|
| 2805 | changed(False);
|
|---|
| 2806 | End;
|
|---|
| 2807 |
|
|---|
| 2808 | Procedure THeaderSection.SetMaxWidth(NewValue:LongInt);
|
|---|
| 2809 | Begin
|
|---|
| 2810 | If NewValue>10000 Then NewValue:=10000;
|
|---|
| 2811 | If NewValue<FMinWidth Then NewValue:=FMinWidth;
|
|---|
| 2812 | FMaxWidth:=NewValue;
|
|---|
| 2813 | Width:=FWidth; //Update
|
|---|
| 2814 | End;
|
|---|
| 2815 |
|
|---|
| 2816 | Procedure THeaderSection.SetMinWidth(NewValue:LongInt);
|
|---|
| 2817 | Begin
|
|---|
| 2818 | If NewValue<0 Then NewValue:=0;
|
|---|
| 2819 | If NewValue>FMaxWidth Then NewValue:=FMaxWidth;
|
|---|
| 2820 | FMinWidth:=NewValue;
|
|---|
| 2821 | Width:=FWidth; //Update
|
|---|
| 2822 | End;
|
|---|
| 2823 |
|
|---|
| 2824 | Constructor THeaderSection.Create(ACollection:TCollection);
|
|---|
| 2825 | Begin
|
|---|
| 2826 | FWidth:=100;
|
|---|
| 2827 | FMinWidth:=0;
|
|---|
| 2828 | FMaxWidth:=10000;
|
|---|
| 2829 | FAlignment:=taLeftJustify;
|
|---|
| 2830 | FStyle:=hsText;
|
|---|
| 2831 | FAllowClick:=True;
|
|---|
| 2832 | FAllowSize:=True;
|
|---|
| 2833 | Inherited Create(ACollection);
|
|---|
| 2834 | End;
|
|---|
| 2835 |
|
|---|
| 2836 | Destructor THeaderSection.Destroy;
|
|---|
| 2837 | Begin
|
|---|
| 2838 | If FText<>Nil Then FreeMem(FText,Length(FText^)+1);
|
|---|
| 2839 |
|
|---|
| 2840 | Inherited Destroy;
|
|---|
| 2841 | End;
|
|---|
| 2842 |
|
|---|
| 2843 | Procedure THeaderSection.Assign(Source:TCollectionItem);
|
|---|
| 2844 | Begin
|
|---|
| 2845 | If Source Is THeaderSection Then
|
|---|
| 2846 | If Source<>Self Then
|
|---|
| 2847 | Begin
|
|---|
| 2848 | FMinWidth:=THeaderSection(Source).MinWidth;
|
|---|
| 2849 | FMaxWidth:=THeaderSection(Source).MaxWidth;
|
|---|
| 2850 | FAlignment:=THeaderSection(Source).Alignment;
|
|---|
| 2851 | FStyle:=THeaderSection(Source).Style;
|
|---|
| 2852 | FAllowClick:=THeaderSection(Source).AllowClick;
|
|---|
| 2853 | FAllowSize:=THeaderSection(Source).AllowSize;
|
|---|
| 2854 | Width:=THeaderSection(Source).Width;
|
|---|
| 2855 | Text:=THeaderSection(Source).Text;
|
|---|
| 2856 | End;
|
|---|
| 2857 | End;
|
|---|
| 2858 |
|
|---|
| 2859 | {
|
|---|
| 2860 | ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 2861 | º º
|
|---|
| 2862 | º Speed-Pascal/2 Version 2.0 º
|
|---|
| 2863 | º º
|
|---|
| 2864 | º Speed-Pascal Component Classes (SPCC) º
|
|---|
| 2865 | º º
|
|---|
| 2866 | º This section: THeaderSections Class Implementation º
|
|---|
| 2867 | º º
|
|---|
| 2868 | º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
|
|---|
| 2869 | º º
|
|---|
| 2870 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 2871 | }
|
|---|
| 2872 |
|
|---|
| 2873 | Function THeaderSections.GetItem(Index:LongInt):THeaderSection;
|
|---|
| 2874 | Var dummy:TCollectionItem;
|
|---|
| 2875 | Begin
|
|---|
| 2876 | dummy:=Inherited GetItem(Index);
|
|---|
| 2877 | Result:=THeaderSection(dummy);
|
|---|
| 2878 | End;
|
|---|
| 2879 |
|
|---|
| 2880 | Procedure THeaderSections.SetItem(Index:LongInt;NewValue:THeaderSection);
|
|---|
| 2881 | Begin
|
|---|
| 2882 | Inherited SetItem(Index,NewValue);
|
|---|
| 2883 | End;
|
|---|
| 2884 |
|
|---|
| 2885 | Procedure THeaderSections.Update(Item:TCollectionItem);
|
|---|
| 2886 | Begin
|
|---|
| 2887 | If FHeaderControl=Nil Then Exit;
|
|---|
| 2888 | If Item=Nil Then FHeaderControl.Invalidate
|
|---|
| 2889 | Else FHeaderControl.UpdateHeader(THeaderSection(Item));
|
|---|
| 2890 | End;
|
|---|
| 2891 |
|
|---|
| 2892 | Procedure THeaderSections.SetupComponent;
|
|---|
| 2893 | Begin
|
|---|
| 2894 | Inherited SetupComponent;
|
|---|
| 2895 |
|
|---|
| 2896 | Name:='HeaderSections';
|
|---|
| 2897 | If Owner Is THeaderControl Then FHeaderControl:=THeaderControl(Owner);
|
|---|
| 2898 | ItemClass:=THeaderSection;
|
|---|
| 2899 | End;
|
|---|
| 2900 |
|
|---|
| 2901 | Function THeaderSections.Add:THeaderSection;
|
|---|
| 2902 | Var dummy:TCollectionItem;
|
|---|
| 2903 | Begin
|
|---|
| 2904 | dummy:=Inherited Add;
|
|---|
| 2905 | Result:=THeaderSection(dummy);
|
|---|
| 2906 | End;
|
|---|
| 2907 |
|
|---|
| 2908 | {
|
|---|
| 2909 | ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
|
|---|
| 2910 | º º
|
|---|
| 2911 | º Speed-Pascal/2 Version 2.0 º
|
|---|
| 2912 | º º
|
|---|
| 2913 | º Speed-Pascal Component Classes (SPCC) º
|
|---|
| 2914 | º º
|
|---|
| 2915 | º This section: THeaderControl Class Implementation º
|
|---|
| 2916 | º º
|
|---|
| 2917 | º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
|
|---|
| 2918 | º º
|
|---|
| 2919 | ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
|
|---|
| 2920 | }
|
|---|
| 2921 |
|
|---|
| 2922 | Function THeaderControl.GetSections:THeaderSections;
|
|---|
| 2923 | Begin
|
|---|
| 2924 | If FSections=Nil Then FSections:=FSectionsClass.Create(Self);
|
|---|
| 2925 | Result:=FSections;
|
|---|
| 2926 | End;
|
|---|
| 2927 |
|
|---|
| 2928 | Procedure THeaderControl.SetSections(NewValue:THeaderSections);
|
|---|
| 2929 | Begin
|
|---|
| 2930 | Sections.Assign(NewValue);
|
|---|
| 2931 | End;
|
|---|
| 2932 |
|
|---|
| 2933 | Procedure THeaderControl.UpdateHeader(Header:THeaderSection);
|
|---|
| 2934 | Var T:LongInt;
|
|---|
| 2935 | rc:TRect;
|
|---|
| 2936 | Begin
|
|---|
| 2937 | //Get Rectangle For the Panel
|
|---|
| 2938 | rc:=ClientRect;
|
|---|
| 2939 | If FSections<>Nil Then
|
|---|
| 2940 | For T:=0 To FSections.Count-1 Do
|
|---|
| 2941 | Begin
|
|---|
| 2942 | If FSections[T]=Header Then break
|
|---|
| 2943 | Else Inc(rc.Left,FSections[T].Width+FSpacing+1);
|
|---|
| 2944 | End;
|
|---|
| 2945 |
|
|---|
| 2946 | rc.Right:=rc.Left+Header.Width;
|
|---|
| 2947 | InvalidateRect(rc);
|
|---|
| 2948 | Update;
|
|---|
| 2949 | End;
|
|---|
| 2950 |
|
|---|
| 2951 | {$HINTS OFF}
|
|---|
| 2952 | Procedure THeaderControl.DrawSection(section:THeaderSection;Const rc:TRect;Pressed:Boolean);
|
|---|
| 2953 | Var
|
|---|
| 2954 | Align:TAlignment;
|
|---|
| 2955 | S:String;
|
|---|
| 2956 | CX,CY,H:LongInt;
|
|---|
| 2957 | rec:TRect;
|
|---|
| 2958 | PointsArray:Array[0..5] Of TPoint;
|
|---|
| 2959 | offs:LongInt;
|
|---|
| 2960 | Begin
|
|---|
| 2961 | Align:=section.Alignment;
|
|---|
| 2962 | S:=section.Text;
|
|---|
| 2963 |
|
|---|
| 2964 | Canvas.GetTextExtent(S,CX,CY);
|
|---|
| 2965 |
|
|---|
| 2966 | Case Align Of
|
|---|
| 2967 | taLeftJustify:rec.Left:=rc.Left+3;
|
|---|
| 2968 | taRightJustify:rec.Left:=rc.Right-3-CX;
|
|---|
| 2969 | Else //taCenter
|
|---|
| 2970 | Begin
|
|---|
| 2971 | H:=rc.Right-rc.Left;
|
|---|
| 2972 | rec.Left:=rc.Left+((H-CX) Div 2);
|
|---|
| 2973 | End;
|
|---|
| 2974 | End; //Case
|
|---|
| 2975 |
|
|---|
| 2976 | If rec.Left<rc.Left+3 Then rec.Left:=rc.Left+3;
|
|---|
| 2977 | H:=rc.Top-rc.Bottom;
|
|---|
| 2978 | rec.Bottom:=rc.Bottom+((H-CY) Div 2);
|
|---|
| 2979 | If rec.Bottom<rc.Bottom+3 Then rec.Bottom:=rc.Bottom+3;
|
|---|
| 2980 | rec.Right:=rec.Left+CX-1;
|
|---|
| 2981 | rec.Top:=rec.Bottom+CY-1;
|
|---|
| 2982 |
|
|---|
| 2983 | Canvas.TextOut(rec.Left,rec.Bottom,S);
|
|---|
| 2984 |
|
|---|
| 2985 | Canvas.ExcludeClipRect(rec);
|
|---|
| 2986 |
|
|---|
| 2987 | If BevelWidth > 1 Then
|
|---|
| 2988 | Begin
|
|---|
| 2989 | offs := BevelWidth-1;
|
|---|
| 2990 | PointsArray[0] := Point(rc.Left,rc.Bottom);
|
|---|
| 2991 | PointsArray[1] := Point(rc.Left+offs,rc.Bottom+offs);
|
|---|
| 2992 | PointsArray[2] := Point(rc.Left+offs,rc.Top-offs);
|
|---|
| 2993 | PointsArray[3] := Point(rc.Right-offs,rc.Top-offs);
|
|---|
| 2994 | PointsArray[4] := Point(rc.Right,rc.Top);
|
|---|
| 2995 | PointsArray[5] := Point(rc.Left,rc.Top);
|
|---|
| 2996 | Canvas.Pen.color := clWhite;
|
|---|
| 2997 | Canvas.Polygon(PointsArray);
|
|---|
| 2998 | PointsArray[2] := Point(rc.Right-offs,rc.Bottom+offs);
|
|---|
| 2999 | PointsArray[3] := Point(rc.Right-offs,rc.Top-offs);
|
|---|
| 3000 | PointsArray[4] := Point(rc.Right,rc.Top);
|
|---|
| 3001 | PointsArray[5] := Point(rc.Right,rc.Bottom);
|
|---|
| 3002 | Canvas.Pen.color := clDkGray;
|
|---|
| 3003 | Canvas.Polygon(PointsArray);
|
|---|
| 3004 | Canvas.Pen.color:=PenColor;
|
|---|
| 3005 | End
|
|---|
| 3006 | Else Canvas.ShadowedBorder(rc,clWhite,clDkGray);
|
|---|
| 3007 |
|
|---|
| 3008 | rec:=rc;
|
|---|
| 3009 | Forms.InflateRect(rec,-BevelWidth,-BevelWidth);
|
|---|
| 3010 | Canvas.FillRect(rec,color)
|
|---|
| 3011 | End;
|
|---|
| 3012 | {$HINTS ON}
|
|---|
| 3013 |
|
|---|
| 3014 |
|
|---|
| 3015 | Procedure THeaderControl.Redraw(Const rec:TRect);
|
|---|
| 3016 | Var T:LongInt;
|
|---|
| 3017 | rc,rc2:TRect;
|
|---|
| 3018 | section:THeaderSection;
|
|---|
| 3019 | IsPressed:Boolean;
|
|---|
| 3020 | PointsArray:Array[0..5] Of TPoint;
|
|---|
| 3021 | offs:LongInt;
|
|---|
| 3022 | Begin
|
|---|
| 3023 | Canvas.Brush.color:=color;
|
|---|
| 3024 | Canvas.Pen.color:=PenColor;
|
|---|
| 3025 |
|
|---|
| 3026 | rc:=ClientRect;
|
|---|
| 3027 | Inc(rc.Bottom);
|
|---|
| 3028 | If FSections<>Nil Then For T:=0 To FSections.Count-1 Do
|
|---|
| 3029 | Begin
|
|---|
| 3030 | section:=FSections[T];
|
|---|
| 3031 | rc.Right:=rc.Left+section.Width;
|
|---|
| 3032 | If rc.Right>Width-1 Then rc.Right:=Width-1;
|
|---|
| 3033 |
|
|---|
| 3034 | IsPressed:=section=FClickSection;
|
|---|
| 3035 | If IsPressed Then
|
|---|
| 3036 | Begin
|
|---|
| 3037 | Inc(rc.Left);
|
|---|
| 3038 | Inc(rc.Right);
|
|---|
| 3039 | Dec(rc.Bottom);
|
|---|
| 3040 | Dec(rc.Top);
|
|---|
| 3041 | End;
|
|---|
| 3042 |
|
|---|
| 3043 | rc2:=Forms.IntersectRect(rc,rec);
|
|---|
| 3044 | If Not Forms.IsRectEmpty(rc2) Then
|
|---|
| 3045 | Begin
|
|---|
| 3046 | Canvas.ClipRect:=rc2;
|
|---|
| 3047 |
|
|---|
| 3048 | If section.Style=hsOwnerDraw Then
|
|---|
| 3049 | Begin
|
|---|
| 3050 | If OnDrawSection<>Nil Then OnDrawSection(Self,section,rc,IsPressed)
|
|---|
| 3051 | Else DrawSection(section,rc,IsPressed);
|
|---|
| 3052 | End
|
|---|
| 3053 | Else DrawSection(section,rc,IsPressed);
|
|---|
| 3054 | End;
|
|---|
| 3055 |
|
|---|
| 3056 | If IsPressed Then
|
|---|
| 3057 | Begin
|
|---|
| 3058 | Dec(rc.Left);
|
|---|
| 3059 | Dec(rc.Right);
|
|---|
| 3060 | Inc(rc.Bottom);
|
|---|
| 3061 | Inc(rc.Top);
|
|---|
| 3062 | End;
|
|---|
| 3063 | Inc(rc.Left,section.Width+FSpacing+1);
|
|---|
| 3064 | End;
|
|---|
| 3065 |
|
|---|
| 3066 | //Draw rest Bevel
|
|---|
| 3067 | If FSections<>Nil Then If ((rc.Left<Width)And(FSections.Count>0)) Then
|
|---|
| 3068 | Begin
|
|---|
| 3069 | rc.Right:=Width-1;
|
|---|
| 3070 | rc2:=Forms.IntersectRect(rc,rec);
|
|---|
| 3071 | If Not Forms.IsRectEmpty(rc2) Then
|
|---|
| 3072 | Begin
|
|---|
| 3073 | Canvas.ClipRect:=rc2;
|
|---|
| 3074 |
|
|---|
| 3075 | If BevelWidth > 1 Then
|
|---|
| 3076 | Begin
|
|---|
| 3077 | offs := BevelWidth-1;
|
|---|
| 3078 | PointsArray[0] := Point(rc.Left,rc.Bottom);
|
|---|
| 3079 | PointsArray[1] := Point(rc.Left+offs,rc.Bottom+offs);
|
|---|
| 3080 | PointsArray[2] := Point(rc.Left+offs,rc.Top-offs);
|
|---|
| 3081 | PointsArray[3] := Point(rc.Right-offs,rc.Top-offs);
|
|---|
| 3082 | PointsArray[4] := Point(rc.Right,rc.Top);
|
|---|
| 3083 | PointsArray[5] := Point(rc.Left,rc.Top);
|
|---|
| 3084 | Canvas.Pen.color := clWhite;
|
|---|
| 3085 | Canvas.Polygon(PointsArray);
|
|---|
| 3086 | PointsArray[2] := Point(rc.Right-offs,rc.Bottom+offs);
|
|---|
| 3087 | PointsArray[3] := Point(rc.Right-offs,rc.Top-offs);
|
|---|
| 3088 | PointsArray[4] := Point(rc.Right,rc.Top);
|
|---|
| 3089 | PointsArray[5] := Point(rc.Right,rc.Bottom);
|
|---|
| 3090 | Canvas.Pen.color := clDkGray;
|
|---|
| 3091 | Canvas.Polygon(PointsArray);
|
|---|
| 3092 | Canvas.Pen.color:=PenColor;
|
|---|
| 3093 | End
|
|---|
| 3094 | Else Canvas.ShadowedBorder(rc,clWhite,clDkGray);
|
|---|
| 3095 |
|
|---|
| 3096 | Forms.InflateRect(rc,-BevelWidth,-BevelWidth);
|
|---|
| 3097 | Canvas.FillRect(rc,color);
|
|---|
| 3098 | End;
|
|---|
| 3099 | End;
|
|---|
| 3100 |
|
|---|
| 3101 | Canvas.ClipRect:=rec;
|
|---|
| 3102 | rc:=ClientRect;
|
|---|
| 3103 | Inc(rc.Bottom);
|
|---|
| 3104 | If FSections<>Nil Then For T:=0 To FSections.Count-1 Do
|
|---|
| 3105 | Begin
|
|---|
| 3106 | section:=FSections[T];
|
|---|
| 3107 | rc.Right:=rc.Left+section.Width;
|
|---|
| 3108 | If rc.Right>Width-1 Then rc.Right:=Width-1;
|
|---|
| 3109 |
|
|---|
| 3110 | IsPressed:=section=FClickSection;
|
|---|
| 3111 | If IsPressed Then
|
|---|
| 3112 | Begin
|
|---|
| 3113 | Inc(rc.Left);
|
|---|
| 3114 | Inc(rc.Right);
|
|---|
| 3115 | Dec(rc.Bottom);
|
|---|
| 3116 | Dec(rc.Top);
|
|---|
| 3117 | End;
|
|---|
| 3118 |
|
|---|
| 3119 | Canvas.ExcludeClipRect(rc);
|
|---|
| 3120 | Inc(rc.Left,section.Width+FSpacing+1);
|
|---|
| 3121 | End;
|
|---|
| 3122 |
|
|---|
| 3123 | //Draw rest Bevel
|
|---|
| 3124 | If FSections<>Nil Then If ((rc.Left<Width)And(FSections.Count>0)) Then
|
|---|
| 3125 | Begin
|
|---|
| 3126 | rc.Right:=Width-1;
|
|---|
| 3127 | Canvas.ExcludeClipRect(rc);
|
|---|
| 3128 | End;
|
|---|
| 3129 |
|
|---|
| 3130 |
|
|---|
| 3131 | Canvas.FillRect(rec,color); //Delete rest
|
|---|
| 3132 | Canvas.DeleteClipRegion;
|
|---|
| 3133 | End;
|
|---|
| 3134 |
|
|---|
| 3135 | Type
|
|---|
| 3136 | PHeaderItem=^THeaderItem;
|
|---|
| 3137 | THeaderItem=Record
|
|---|
| 3138 | Style:THeaderSectionStyle;
|
|---|
| 3139 | Width:LongInt;
|
|---|
| 3140 | MinWidth,MaxWidth:LongInt;
|
|---|
| 3141 | AllowClick,AllowSize:Boolean;
|
|---|
| 3142 | Alignment:TAlignment;
|
|---|
| 3143 | End;
|
|---|
| 3144 |
|
|---|
| 3145 |
|
|---|
| 3146 | Procedure THeaderControl.ReadSCUResource(Const ResName:TResourceName;Var Data;DataLen:LongInt);
|
|---|
| 3147 | Var
|
|---|
| 3148 | Count:^LongInt;
|
|---|
| 3149 | Items:PHeaderItem;
|
|---|
| 3150 | section:THeaderSection;
|
|---|
| 3151 | T:LongInt;
|
|---|
| 3152 | ps:^String;
|
|---|
| 3153 | Begin
|
|---|
| 3154 | If ResName = rnHeaders Then
|
|---|
| 3155 | Begin
|
|---|
| 3156 | Count:=@Data;
|
|---|
| 3157 | Items:=@Data;
|
|---|
| 3158 | Inc(Items,4);
|
|---|
| 3159 | For T:=1 To Count^ Do
|
|---|
| 3160 | Begin
|
|---|
| 3161 | Section:=Sections.Add;
|
|---|
| 3162 | ps:=Pointer(Items);
|
|---|
| 3163 | section.Text:=ps^;
|
|---|
| 3164 | Inc(Items,Length(ps^)+1);
|
|---|
| 3165 | section.Style:=Items^.Style;
|
|---|
| 3166 | section.Alignment:=Items^.Alignment;
|
|---|
| 3167 | section.Width:=Items^.Width;
|
|---|
| 3168 | section.MinWidth:=Items^.MinWidth;
|
|---|
| 3169 | section.MaxWidth:=Items^.MaxWidth;
|
|---|
| 3170 | section.AllowClick:=Items^.AllowClick;
|
|---|
| 3171 | section.AllowSize:=Items^.AllowSize;
|
|---|
| 3172 | Inc(Items,SizeOf(THeaderItem));
|
|---|
| 3173 | End;
|
|---|
| 3174 | End
|
|---|
| 3175 | Else Inherited ReadSCUResource(ResName,Data,DataLen);
|
|---|
| 3176 | End;
|
|---|
| 3177 |
|
|---|
| 3178 |
|
|---|
| 3179 | Function THeaderControl.WriteSCUResource(Stream:TResourceStream):Boolean;
|
|---|
| 3180 | Var MemStream:TMemoryStream;
|
|---|
| 3181 | T:LongInt;
|
|---|
| 3182 | Item:THeaderItem;
|
|---|
| 3183 | section:THeaderSection;
|
|---|
| 3184 | S:String;
|
|---|
| 3185 | Begin
|
|---|
| 3186 | Result := Inherited WriteSCUResource(Stream);
|
|---|
| 3187 | If Not Result Then Exit;
|
|---|
| 3188 |
|
|---|
| 3189 | If FSections<>Nil Then If FSections.Count>0 Then
|
|---|
| 3190 | Begin
|
|---|
| 3191 | MemStream.Create;
|
|---|
| 3192 | T:=FSections.Count;
|
|---|
| 3193 | MemStream.Write(T,4);
|
|---|
| 3194 | For T:=0 To FSections.Count-1 Do
|
|---|
| 3195 | Begin
|
|---|
| 3196 | section:=FSections[T];
|
|---|
| 3197 | S:=section.Text;
|
|---|
| 3198 | MemStream.Write(S,Length(S)+1);
|
|---|
| 3199 | Item.Style:=section.Style;
|
|---|
| 3200 | Item.Width:=section.Width;
|
|---|
| 3201 | Item.MinWidth:=section.MinWidth;
|
|---|
| 3202 | Item.MaxWidth:=section.MaxWidth;
|
|---|
| 3203 | Item.AllowClick:=section.AllowClick;
|
|---|
| 3204 | Item.AllowSize:=section.AllowSize;
|
|---|
| 3205 | Item.Alignment:=section.Alignment;
|
|---|
| 3206 | MemStream.Write(Item,SizeOf(THeaderItem));
|
|---|
| 3207 | End;
|
|---|
| 3208 |
|
|---|
| 3209 | Result:=Stream.NewResourceEntry(rnHeaders,MemStream.Memory^,MemStream.Size);
|
|---|
| 3210 | MemStream.Destroy;
|
|---|
| 3211 | End;
|
|---|
| 3212 | End;
|
|---|
| 3213 |
|
|---|
| 3214 | Procedure THeaderControl.SectionClick(section:THeaderSection);
|
|---|
| 3215 | Begin
|
|---|
| 3216 | If FOnSectionClick<>Nil Then FOnSectionClick(Self,section);
|
|---|
| 3217 | End;
|
|---|
| 3218 |
|
|---|
| 3219 | Procedure THeaderControl.SectionResize(section:THeaderSection);
|
|---|
| 3220 | Begin
|
|---|
| 3221 | If FOnSectionResize<>Nil Then FOnSectionResize(Self,section);
|
|---|
| 3222 | End;
|
|---|
| 3223 |
|
|---|
| 3224 | Procedure THeaderControl.SectionTrack(section:THeaderSection;Width:LongInt;State:TSectionTrackState);
|
|---|
| 3225 | Begin
|
|---|
| 3226 | If FOnSectionTrack<>Nil Then FOnSectionTrack(Self,section,Width,State);
|
|---|
| 3227 | End;
|
|---|
| 3228 |
|
|---|
| 3229 | Procedure THeaderControl.SetSpacing(NewValue:LongInt);
|
|---|
| 3230 | Begin
|
|---|
| 3231 | If NewValue<0 Then NewValue:=0;
|
|---|
| 3232 | FSpacing:=NewValue;
|
|---|
| 3233 | Invalidate;
|
|---|
| 3234 | End;
|
|---|
| 3235 |
|
|---|
| 3236 | Procedure THeaderControl.SetBevelWidth(NewValue:LongInt);
|
|---|
| 3237 | Begin
|
|---|
| 3238 | If NewValue<1 Then NewValue:=1;
|
|---|
| 3239 | If NewValue>20 Then NewValue:=20;
|
|---|
| 3240 | FBevelWidth:=NewValue;
|
|---|
| 3241 | Invalidate;
|
|---|
| 3242 | End;
|
|---|
| 3243 |
|
|---|
| 3244 | Procedure THeaderControl.SetupComponent;
|
|---|
| 3245 | Begin
|
|---|
| 3246 | Inherited SetupComponent;
|
|---|
| 3247 |
|
|---|
| 3248 | Align:=alTop;
|
|---|
| 3249 | color:=clDlgWindow;
|
|---|
| 3250 | Name:='HeaderControl';
|
|---|
| 3251 | FSectionsClass:=THeaderSections;
|
|---|
| 3252 | Height:=50;
|
|---|
| 3253 | FSpacing:=1;
|
|---|
| 3254 | FSectionTrackState:=tsTrackEnd;
|
|---|
| 3255 | FBevelWidth:=1;
|
|---|
| 3256 | HandlesDesignMouse:=True;
|
|---|
| 3257 | Include(ComponentState,csAcceptsControls);
|
|---|
| 3258 | FShape:=crDefault;
|
|---|
| 3259 | End;
|
|---|
| 3260 |
|
|---|
| 3261 | Destructor THeaderControl.Destroy;
|
|---|
| 3262 | Begin
|
|---|
| 3263 | If FSections<>Nil Then FSections.Destroy;
|
|---|
| 3264 | Inherited Destroy;
|
|---|
| 3265 | End;
|
|---|
| 3266 |
|
|---|
| 3267 | Procedure THeaderControl.MouseDown(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 3268 | Var T:LongInt;
|
|---|
| 3269 | section:THeaderSection;
|
|---|
| 3270 | Begin
|
|---|
| 3271 | Inherited MouseDown(Button,ShiftState,X,Y);
|
|---|
| 3272 |
|
|---|
| 3273 | If Button <> mbLeft Then Exit;
|
|---|
| 3274 |
|
|---|
| 3275 | If FSections<>Nil Then For T:=0 To FSections.Count-1 Do
|
|---|
| 3276 | Begin
|
|---|
| 3277 | section:=FSections[T];
|
|---|
| 3278 | If ((section.AllowSize)And(X>section.Right-2)And(X<section.Right+2)) Then
|
|---|
| 3279 | Begin
|
|---|
| 3280 | Cursor:=crHSplit;
|
|---|
| 3281 | FShape:=crHSplit;
|
|---|
| 3282 | LastMsg.Handled:=True; {dont pass To Form Editor}
|
|---|
| 3283 | Canvas.Pen.Mode:=pmNot;
|
|---|
| 3284 | Canvas.Pen.color:=clBlack;
|
|---|
| 3285 | FSizeSection:=section;
|
|---|
| 3286 | FSizeStartX:=section.Right;
|
|---|
| 3287 | FSizeX:=FSizeStartX;
|
|---|
| 3288 | Canvas.Line(FSizeX,0,FSizeX,Height);
|
|---|
| 3289 | MouseCapture:=True;
|
|---|
| 3290 | Canvas.Pen.Mode:=pmCopy;
|
|---|
| 3291 | FSectionTrackState:=tsTrackBegin;
|
|---|
| 3292 | If OnSectionTrack<>Nil Then OnSectionTrack(Self,FSizeSection,FSizeX-FSizeSection.Left,
|
|---|
| 3293 | FSectionTrackState);
|
|---|
| 3294 | Exit;
|
|---|
| 3295 | End;
|
|---|
| 3296 | End;
|
|---|
| 3297 |
|
|---|
| 3298 | If Designed Then Exit;
|
|---|
| 3299 |
|
|---|
| 3300 | //Test Press
|
|---|
| 3301 | section:=GetMouseHeader(X,Y);
|
|---|
| 3302 | If section<>Nil Then If section.AllowClick Then
|
|---|
| 3303 | Begin
|
|---|
| 3304 | FClickBase:=section;
|
|---|
| 3305 | FClickSection:=section;
|
|---|
| 3306 | UpdateHeader(section);
|
|---|
| 3307 | MouseCapture:=True;
|
|---|
| 3308 | End;
|
|---|
| 3309 | End;
|
|---|
| 3310 |
|
|---|
| 3311 | Function THeaderControl.GetMouseHeader(X,Y:LongInt):THeaderSection;
|
|---|
| 3312 | Var T:LongInt;
|
|---|
| 3313 | section:THeaderSection;
|
|---|
| 3314 | Begin
|
|---|
| 3315 | Result:=Nil;
|
|---|
| 3316 | If FSections<>Nil Then For T:=0 To FSections.Count-1 Do
|
|---|
| 3317 | Begin
|
|---|
| 3318 | section:=FSections[T];
|
|---|
| 3319 | If ((Y>1)And(Y<Height-1)And(X>section.Left+1)And(X<section.Right-1)) Then
|
|---|
| 3320 | Begin
|
|---|
| 3321 | Result:=section;
|
|---|
| 3322 | Exit;
|
|---|
| 3323 | End;
|
|---|
| 3324 | End;
|
|---|
| 3325 | End;
|
|---|
| 3326 |
|
|---|
| 3327 | Procedure THeaderControl.MouseDblClick(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 3328 | Var section:THeaderSection;
|
|---|
| 3329 | Begin
|
|---|
| 3330 | Inherited MouseDblClick(Button,ShiftState,X,Y);
|
|---|
| 3331 |
|
|---|
| 3332 | If Button=mbLeft Then
|
|---|
| 3333 | Begin
|
|---|
| 3334 | section:=GetMouseHeader(X,Y);
|
|---|
| 3335 | If section<>Nil Then If section.AllowClick Then
|
|---|
| 3336 | Begin
|
|---|
| 3337 | FClickSection:=section;
|
|---|
| 3338 | UpdateHeader(section);
|
|---|
| 3339 | Delay(20);
|
|---|
| 3340 | FClickSection:=Nil;
|
|---|
| 3341 | UpdateHeader(section);
|
|---|
| 3342 | If OnSectionClick<>Nil Then OnSectionClick(Self,section);
|
|---|
| 3343 | End;
|
|---|
| 3344 | End;
|
|---|
| 3345 | End;
|
|---|
| 3346 |
|
|---|
| 3347 | Procedure THeaderControl.MouseUp(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 3348 | Var ClickHeader:THeaderSection;
|
|---|
| 3349 | Begin
|
|---|
| 3350 | Inherited MouseUp(Button,ShiftState,X,Y);
|
|---|
| 3351 |
|
|---|
| 3352 | If Button <> mbLeft Then Exit;
|
|---|
| 3353 |
|
|---|
| 3354 | If FSectionTrackState In [tsTrackBegin,tsTrackMove] Then
|
|---|
| 3355 | Begin
|
|---|
| 3356 | LastMsg.Handled:=True; {dont pass To Form Editor}
|
|---|
| 3357 | Canvas.Pen.Mode:=pmNot;
|
|---|
| 3358 | Canvas.Pen.color:=clBlack;
|
|---|
| 3359 | {Delete old rubberline}
|
|---|
| 3360 | Canvas.Line(FSizeX,0,FSizeX,Height);
|
|---|
| 3361 | MouseCapture:=False;
|
|---|
| 3362 | Cursor:=crDefault;
|
|---|
| 3363 | FShape:=crDefault;
|
|---|
| 3364 | Canvas.Pen.Mode:=pmCopy;
|
|---|
| 3365 |
|
|---|
| 3366 | If FSizeX<FSizeSection.Left Then FSizeX:=FSizeSection.Left;
|
|---|
| 3367 |
|
|---|
| 3368 | FSizeSection.Width:=FSizeX-FSizeSection.Left;
|
|---|
| 3369 |
|
|---|
| 3370 | FSectionTrackState:=tsTrackEnd;
|
|---|
| 3371 | If OnSectionTrack<>Nil Then OnSectionTrack(Self,FSizeSection,FSizeSection.Width,
|
|---|
| 3372 | FSectionTrackState);
|
|---|
| 3373 | FSizeSection:=Nil;
|
|---|
| 3374 | End;
|
|---|
| 3375 |
|
|---|
| 3376 | If FClickBase<>Nil Then
|
|---|
| 3377 | Begin
|
|---|
| 3378 | ClickHeader:=GetMouseHeader(X,Y);
|
|---|
| 3379 | MouseCapture:=False;
|
|---|
| 3380 | If ClickHeader=FClickBase Then //clicked
|
|---|
| 3381 | Begin
|
|---|
| 3382 | FClickSection:=Nil;
|
|---|
| 3383 | FClickBase:=Nil;
|
|---|
| 3384 | UpdateHeader(ClickHeader);
|
|---|
| 3385 | If OnSectionClick<>Nil Then OnSectionClick(Self,ClickHeader);
|
|---|
| 3386 | End
|
|---|
| 3387 | Else
|
|---|
| 3388 | Begin
|
|---|
| 3389 | ClickHeader:=FClickBase;
|
|---|
| 3390 | FClickSection:=Nil;
|
|---|
| 3391 | FClickBase:=Nil;
|
|---|
| 3392 | UpdateHeader(ClickHeader);
|
|---|
| 3393 | End;
|
|---|
| 3394 | End;
|
|---|
| 3395 | End;
|
|---|
| 3396 |
|
|---|
| 3397 | Procedure THeaderControl.MouseMove(ShiftState:TShiftState;X,Y:LongInt);
|
|---|
| 3398 | Var T:LongInt;
|
|---|
| 3399 | section:THeaderSection;
|
|---|
| 3400 | Begin
|
|---|
| 3401 | Inherited MouseMove(ShiftState,X,Y);
|
|---|
| 3402 |
|
|---|
| 3403 | If FSectionTrackState In [tsTrackBegin,tsTrackMove] Then
|
|---|
| 3404 | Begin
|
|---|
| 3405 | LastMsg.Handled:=True; {dont pass To Form Editor}
|
|---|
| 3406 | Canvas.Pen.Mode:=pmNot;
|
|---|
| 3407 | Canvas.Pen.color:=clBlack;
|
|---|
| 3408 | {Delete old rubberline}
|
|---|
| 3409 | Canvas.Line(FSizeX,0,FSizeX,Height);
|
|---|
| 3410 | {Draw New Line}
|
|---|
| 3411 | FSizeX:=X;
|
|---|
| 3412 | If FSizeX<FSizeSection.Left Then FSizeX:=FSizeSection.Left;
|
|---|
| 3413 | If FSizeX>=Width Then FSizeX:=Width;
|
|---|
| 3414 | Canvas.Line(FSizeX,0,FSizeX,Height);
|
|---|
| 3415 | Canvas.Pen.Mode:=pmCopy;
|
|---|
| 3416 |
|
|---|
| 3417 | FSectionTrackState:=tsTrackMove;
|
|---|
| 3418 | If OnSectionTrack<>Nil Then OnSectionTrack(Self,FSizeSection,FSizeX-FSizeSection.Left,
|
|---|
| 3419 | FSectionTrackState);
|
|---|
| 3420 | Exit;
|
|---|
| 3421 | End
|
|---|
| 3422 | Else
|
|---|
| 3423 | Begin
|
|---|
| 3424 | If FClickBase<>Nil Then
|
|---|
| 3425 | Begin
|
|---|
| 3426 | section:=GetMouseHeader(X,Y);
|
|---|
| 3427 | If section<>FClickSection Then
|
|---|
| 3428 | Begin
|
|---|
| 3429 | If FClickSection<>Nil Then
|
|---|
| 3430 | Begin
|
|---|
| 3431 | section:=FClickSection;
|
|---|
| 3432 | FClickSection:=Nil;
|
|---|
| 3433 | If section<>Nil Then UpdateHeader(section);
|
|---|
| 3434 | End
|
|---|
| 3435 | Else
|
|---|
| 3436 | Begin
|
|---|
| 3437 | If section=FClickBase Then
|
|---|
| 3438 | Begin
|
|---|
| 3439 | FClickSection:=section;
|
|---|
| 3440 | If FClickSection<>Nil Then UpdateHeader(FClickSection);
|
|---|
| 3441 | End;
|
|---|
| 3442 | End;
|
|---|
| 3443 | End;
|
|---|
| 3444 | End
|
|---|
| 3445 | Else
|
|---|
| 3446 | Begin
|
|---|
| 3447 | If FSections<>Nil Then For T:=0 To FSections.Count-1 Do
|
|---|
| 3448 | Begin
|
|---|
| 3449 | section:=FSections[T];
|
|---|
| 3450 | If ((section.AllowSize)And(X>section.Right-2)And(X<section.Right+2)) Then
|
|---|
| 3451 | Begin
|
|---|
| 3452 | FShape:=crHSplit;
|
|---|
| 3453 | {$IFDEF OS2}
|
|---|
| 3454 | WinSetPointer(HWND_DESKTOP,Screen.Cursors[FShape]);
|
|---|
| 3455 | {$ENDIF}
|
|---|
| 3456 | {$IFDEF Win95}
|
|---|
| 3457 | SetClassWord(Handle,-12{GCW_HCURSOR},0);
|
|---|
| 3458 | SetCursor(Screen.Cursors[FShape]);
|
|---|
| 3459 | {$ENDIF}
|
|---|
| 3460 | LastMsg.Handled:=True; {dont pass To Form Editor}
|
|---|
| 3461 | Exit;
|
|---|
| 3462 | End;
|
|---|
| 3463 | End;
|
|---|
| 3464 | End;
|
|---|
| 3465 | End;
|
|---|
| 3466 |
|
|---|
| 3467 | If FShape<>crDefault Then
|
|---|
| 3468 | Begin
|
|---|
| 3469 | FShape:=crDefault;
|
|---|
| 3470 |
|
|---|
| 3471 | {$IFDEF OS2}
|
|---|
| 3472 | WinSetPointer(HWND_DESKTOP,Screen.Cursors[FShape]);
|
|---|
| 3473 | {$ENDIF}
|
|---|
| 3474 | {$IFDEF Win95}
|
|---|
| 3475 | SetClassWord(Handle,-12{GCW_HCURSOR},0);
|
|---|
| 3476 | SetCursor(Screen.Cursors[FShape]);
|
|---|
| 3477 | {$ENDIF}
|
|---|
| 3478 | End;
|
|---|
| 3479 | End;
|
|---|
| 3480 |
|
|---|
| 3481 | Function THeader.GetSectionWidth(Index:LongInt):LongInt;
|
|---|
| 3482 | Begin
|
|---|
| 3483 | Result:=Sections.Items[Index].Width;
|
|---|
| 3484 | End;
|
|---|
| 3485 |
|
|---|
| 3486 | Procedure THeader.SetSectionWidth(Index:LongInt;NewValue:LongInt);
|
|---|
| 3487 | Begin
|
|---|
| 3488 | Sections.Items[Index].Width:=NewValue;
|
|---|
| 3489 | End;
|
|---|
| 3490 |
|
|---|
| 3491 | Begin
|
|---|
| 3492 | End.
|
|---|
| 3493 |
|
|---|
| 3494 |
|
|---|
| 3495 |
|
|---|