| 1 | Unit RichTextStyleUnit;
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| 2 |
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| 3 | Interface
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| 4 |
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| 5 | uses
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| 6 | Forms,
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| 7 | Classes,
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| 8 | Graphics,
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| 9 | CanvasFontManager,
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| 10 | RichTextDocumentUnit;
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| 11 |
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| 12 | type
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| 13 | TTextDrawStyle = record
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| 14 | Font: TFontSpec;
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| 15 | Color: TColor;
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| 16 | BackgroundColor: TColor;
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| 17 | Alignment: TTextAlignment;
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| 18 | Wrap: boolean;
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| 19 | LeftMargin: longint;
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| 20 | RightMargin: longint;
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| 21 | end;
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| 22 |
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| 23 | TMarginSizeStyle = ( msAverageCharWidth, msMaximumCharWidth, msSpecifiedChar );
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| 24 |
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| 25 | TRichTextSettings = class( TComponent )
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| 26 | protected
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| 27 | FHeading1Font: TFont;
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| 28 | FHeading2Font: TFont;
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| 29 | FHeading3Font: TFont;
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| 30 |
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| 31 | FFixedFont: TFont;
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| 32 | FNormalFont: TFont;
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| 33 |
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| 34 | FDefaultBackgroundColor: TColor;
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| 35 | FDefaultColor: TColor;
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| 36 |
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| 37 | FDefaultAlignment: TTextAlignment;
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| 38 | FDefaultWrap: boolean;
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| 39 |
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| 40 | FAtLeastOneWordBeforeWrap: boolean;
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| 41 |
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| 42 | FMarginSizeStyle: TMarginSizeStyle;
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| 43 | FMarginChar: longint;
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| 44 |
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| 45 | FOnChange: TNotifyEvent;
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| 46 |
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| 47 | FMargins: TRect;
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| 48 |
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| 49 | FUpdateCount: longint;
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| 50 | FChangesPending: boolean;
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| 51 |
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| 52 | Procedure Change;
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| 53 |
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| 54 | Procedure SetNormalFont( NewFont: TFont );
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| 55 | Procedure SetFixedFont( NewFont: TFont );
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| 56 | Procedure SetHeading1Font( NewFont: TFont );
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| 57 | Procedure SetHeading2Font( NewFont: TFont );
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| 58 | Procedure SetHeading3Font( NewFont: TFont );
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| 59 |
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| 60 | Procedure SetDefaultColor( NewColor: TColor );
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| 61 | Procedure SetDefaultBackgroundColor( NewColor: TColor );
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| 62 |
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| 63 | Procedure SetDefaultAlignment( Alignment: TTextAlignment );
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| 64 | Procedure SetDefaultWrap( Wrap: boolean );
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| 65 | Procedure SetAtLeastOneWordBeforeWrap( NewValue: boolean );
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| 66 |
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| 67 | Procedure SetMarginSizeStyle( NewValue: TMarginSizeStyle );
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| 68 | Procedure SetMarginChar( NewValue: longint );
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| 69 |
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| 70 | Procedure SetMargins( const NewMargins: TRect );
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| 71 |
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| 72 | function GetMargin_Left: longint;
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| 73 | Procedure SetMargin_Left( NewValue: longint );
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| 74 | function GetMargin_Bottom: longint;
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| 75 | Procedure SetMargin_Bottom( NewValue: longint );
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| 76 | function GetMargin_Right: longint;
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| 77 | Procedure SetMargin_Right( NewValue: longint );
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| 78 | function GetMargin_Top: longint;
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| 79 | Procedure SetMargin_Top( NewValue: longint );
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| 80 |
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| 81 | Procedure SetupComponent; override;
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| 82 | destructor Destroy; override;
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| 83 |
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| 84 | Procedure AssignFont( Var Font: TFont;
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| 85 | NewFont: TFont );
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| 86 |
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| 87 | // Hide properties...
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| 88 | property Name;
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| 89 |
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| 90 | public
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| 91 | property OnChange: TNotifyEvent read FOnChange write FOnChange;
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| 92 |
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| 93 | procedure BeginUpdate;
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| 94 | procedure EndUpdate;
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| 95 |
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| 96 | // Stream in/out
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| 97 | Procedure ReadSCUResource( Const ResName: TResourceName;
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| 98 | Var Data;
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| 99 | DataLen: LongInt ); override;
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| 100 | Function WriteSCUResource( Stream: TResourceStream ): boolean; override;
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| 101 |
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| 102 | property Margins: TRect read FMargins write SetMargins;
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| 103 |
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| 104 | property Heading1Font: TFont read FHeading1Font write SetHeading1Font;
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| 105 | property Heading2Font: TFont read FHeading2Font write SetHeading2Font;
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| 106 | property Heading3Font: TFont read FHeading3Font write SetHeading3Font;
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| 107 | property FixedFont: TFont read FFixedFont write SetFixedFont;
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| 108 | property NormalFont: TFont read FNormalFont write SetNormalFont;
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| 109 |
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| 110 | published
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| 111 |
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| 112 | property DefaultBackgroundColor: TColor read FDefaultBackgroundColor write SetDefaultBackgroundColor;
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| 113 | property DefaultColor: TColor read FDefaultColor write SetDefaultColor;
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| 114 |
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| 115 | property DefaultAlignment: TTextAlignment read FDefaultAlignment write SetDefaultAlignment;
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| 116 | property DefaultWrap: boolean read FDefaultWrap write SetDefaultWrap;
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| 117 | property AtLeastOneWordBeforeWrap: boolean read FAtLeastOneWordBeforeWrap write SetAtLeastOneWordBeforeWrap;
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| 118 |
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| 119 | property MarginSizeStyle: TMarginSizeStyle read FMarginSizeStyle write SeTMarginSizeStyle;
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| 120 | property MarginChar: longint read FMarginChar write SetMarginChar;
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| 121 |
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| 122 | // margins are exposed as individual properties here
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| 123 | // since the Sibyl IDE cannot cope with editing a record property
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| 124 | // within a class property (as in RichTextView)
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| 125 | property Margin_Left: longint read GetMargin_Left write SetMargin_Left;
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| 126 | property Margin_Bottom: longint read GetMargin_Bottom write SetMargin_Bottom;
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| 127 | property Margin_Right: longint read GetMargin_Right write SetMargin_Right;
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| 128 | property Margin_Top: longint read GetMargin_Top write SetMargin_Top;
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| 129 | end;
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| 130 |
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| 131 | // pRichTextSettings = ^TRichTextSettings;
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| 132 | Procedure ApplyStyle( const Style: TTextDrawStyle;
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| 133 | FontManager: TCanvasFontManager );
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| 134 |
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| 135 | Procedure ApplyStyleTag( const Tag: TTag;
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| 136 | Var Style: TTextDrawStyle;
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| 137 | FontManager: TCanvasFontManager;
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| 138 | const Settings: TRichTextSettings;
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| 139 | const X: longint );
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| 140 |
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| 141 | function GetDefaultStyle( const Settings: TRichTextSettings ): TTextDrawStyle;
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| 142 |
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| 143 | Exports
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| 144 | TRichTextSettings,'User','';
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| 145 |
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| 146 | Implementation
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| 147 |
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| 148 | uses
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| 149 | SysUtils,
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| 150 | StringUtilsUnit;
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| 151 |
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| 152 | Procedure ApplyStyle( const Style: TTextDrawStyle;
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| 153 | FontManager: TCanvasFontManager );
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| 154 | begin
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| 155 | FontManager.SetFont( Style.Font );
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| 156 | FontManager.Canvas.Pen.Color := Style.Color;
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| 157 | end;
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| 158 |
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| 159 | Procedure ApplyStyleTag( Const Tag: TTag;
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| 160 | Var Style: TTextDrawStyle;
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| 161 | FontManager: TCanvasFontManager;
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| 162 | const Settings: TRichTextSettings;
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| 163 | const X: longint );
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| 164 | var
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| 165 | MarginParam1: string;
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| 166 | MarginParam2: string;
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| 167 | NewMargin: longint;
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| 168 | FontFaceName: string;
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| 169 | FontSizeString: string;
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| 170 | NewStyle: TTextDrawStyle;
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| 171 | ParseIndex: longint;
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| 172 | XSizeStr: string;
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| 173 | YSizeStr: string;
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| 174 | tmpFontParts : TStringList;
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| 175 |
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| 176 | MarginSize: longint;
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| 177 | ParsePoint: longint;
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| 178 | begin
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| 179 | case Tag.TagType of
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| 180 | ttBold:
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| 181 | Include( Style.Font.Attributes, faBold );
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| 182 | ttBoldOff:
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| 183 | Exclude( Style.Font.Attributes, faBold );
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| 184 | ttItalic:
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| 185 | Include( Style.Font.Attributes, faItalic );
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| 186 | ttItalicOff:
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| 187 | Exclude( Style.Font.Attributes, faItalic );
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| 188 | ttUnderline:
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| 189 | Include( Style.Font.Attributes, faUnderscore );
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| 190 | ttUnderlineOff:
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| 191 | Exclude( Style.Font.Attributes, faUnderscore );
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| 192 |
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| 193 | ttFixedWidthOn:
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| 194 | SibylFontToFontSpec( Settings.FFixedFont, Style.Font );
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| 195 | ttFixedWidthOff:
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| 196 | SibylFontToFontSpec( Settings.FNormalFont, Style.Font );
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| 197 |
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| 198 | ttHeading1:
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| 199 | SibylFontToFontSpec( Settings.FHeading1Font, Style.Font );
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| 200 | ttHeading2:
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| 201 | SibylFontToFontSpec( Settings.FHeading2Font, Style.Font );
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| 202 | ttHeading3:
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| 203 | SibylFontToFontSpec( Settings.FHeading3Font, Style.Font );
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| 204 | ttHeadingOff:
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| 205 | SibylFontToFontSpec( Settings.FNormalFont, Style.Font );
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| 206 |
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| 207 | ttFont:
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| 208 | begin
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| 209 | tmpFontParts := TStringList.Create;
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| 210 | StrExtractStringsQuoted(tmpFontParts, Tag.Arguments);
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| 211 | FontFaceName := tmpFontParts[0];
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| 212 | FontSizeString := tmpFontParts[1];
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| 213 | tmpFontParts.Destroy;
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| 214 |
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| 215 | NewStyle := Style;
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| 216 | try
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| 217 | NewStyle.Font.FaceName := FontFaceName;
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| 218 |
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| 219 | if Pos( 'x', FontSizeString ) > 0 then
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| 220 | begin
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| 221 | tmpFontParts := TStringList.Create;
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| 222 | StrExtractStrings(tmpFontParts, FontSizeString, ['x'], #0);
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| 223 | XSizeStr := tmpFontParts[0];
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| 224 | YSizeStr := tmpFontParts[1];
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| 225 | tmpFontParts.Destroy;
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| 226 |
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| 227 | NewStyle.Font.XSize := StrToInt( XSizeStr );
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| 228 | NewStyle.Font.YSize := StrToInt( YSizeStr );
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| 229 | NewStyle.Font.PointSize := 0;
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| 230 | end
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| 231 | else
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| 232 | begin
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| 233 | NewStyle.Font.PointSize := StrToInt( FontSizeString );
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| 234 | end;
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| 235 |
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| 236 | if ( NewStyle.Font.FaceName <> '' )
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| 237 | and ( NewStyle.Font.PointSize >= 1 ) then
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| 238 | begin
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| 239 | Style := NewStyle;
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| 240 | end;
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| 241 |
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| 242 | except
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| 243 | end;
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| 244 | end;
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| 245 |
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| 246 | ttFontOff:
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| 247 | // restore default
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| 248 | SibylFontToFontSpec( Settings.FNormalFont, Style.Font );
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| 249 |
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| 250 | ttColor:
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| 251 | GetTagColor( Tag.Arguments, Style.Color );
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| 252 | ttColorOff:
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| 253 | Style.Color := Settings.FDefaultColor;
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| 254 | ttBackgroundColor:
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| 255 | GetTagColor( Tag.Arguments, Style.BackgroundColor );
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| 256 | ttBackgroundColorOff:
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| 257 | Style.BackgroundColor := Settings.FDefaultBackgroundColor;
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| 258 |
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| 259 | ttRed:
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| 260 | Style.Color := clRed;
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| 261 | ttBlue:
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| 262 | Style.Color := clBlue;
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| 263 | ttGreen:
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| 264 | Style.Color := clGreen;
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| 265 | ttBlack:
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| 266 | Style.Color := clBlack;
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| 267 |
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| 268 | ttAlign:
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| 269 | Style.Alignment := GetTagTextAlignment( Tag.Arguments,
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| 270 | Settings.FDefaultAlignment );
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| 271 |
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| 272 | ttWrap:
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| 273 | Style.Wrap := GetTagTextWrap( Tag.Arguments );
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| 274 |
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| 275 | ttSetLeftMargin,
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| 276 | ttSetRightMargin:
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| 277 | begin
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| 278 | tmpFontParts := TStringList.Create;
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| 279 | StrExtractStrings(tmpFontParts, Tag.Arguments, [' '], #0);
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| 280 | MarginParam1 := tmpFontParts[0];
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| 281 | tmpFontParts.Destroy;
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| 282 |
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| 283 | ParsePoint := 1;
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| 284 | if ( Tag.TagType = ttSetLeftMargin )
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| 285 | and ( MarginParam1 = 'here' ) then
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| 286 | begin
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| 287 | Style.LeftMargin := X div FontWidthPrecisionFactor;
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| 288 | end
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| 289 | else
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| 290 | begin
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| 291 | try
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| 292 | MarginSize := StrToInt( MarginParam1 );
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| 293 | MarginParam2 := tmpFontParts[1];
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| 294 | if MarginParam2 = 'pixels' then
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| 295 | NewMargin := MarginSize
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| 296 |
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| 297 | else if MarginParam2 = 'deffont' then
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| 298 | NewMargin := MarginSize
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| 299 | * Settings.NormalFont.Width
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| 300 |
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| 301 | else
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| 302 | begin
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| 303 | case Settings.MarginSizeStyle of
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| 304 | msAverageCharWidth:
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| 305 | NewMargin := MarginSize * FontManager.AverageCharWidth;
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| 306 | msMaximumCharWidth:
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| 307 | NewMargin := MarginSize * FontManager.MaximumCharWidth;
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| 308 | msSpecifiedChar:
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| 309 | NewMargin := MarginSize
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| 310 | * FontManager.CharWidth( Chr( Settings.MarginChar ) )
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| 311 | div FontWidthPrecisionFactor;
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| 312 | end;
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| 313 | end;
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| 314 | except
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| 315 | NewMargin := 0;
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| 316 | end;
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| 317 |
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| 318 | if Tag.TagType = ttSetLeftMargin then
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| 319 | Style.LeftMargin := Settings.Margins.Left
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| 320 | + NewMargin
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| 321 | else
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| 322 | Style.RightMargin := Settings.Margins.Right
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| 323 | + NewMargin;
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| 324 | end;
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| 325 | end;
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| 326 |
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| 327 | end;
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| 328 |
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| 329 | ApplyStyle( Style, FontManager );
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| 330 |
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| 331 | end;
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| 332 |
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| 333 | function GetDefaultStyle( const Settings: TRichTextSettings ): TTextDrawStyle;
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| 334 | begin
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| 335 | SibylFontToFontSpec( Settings.FNormalFont, Result.Font );
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| 336 | Result.Alignment := Settings.FDefaultAlignment;
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| 337 | Result.Wrap := Settings.FDefaultWrap;
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| 338 | Result.Color := Settings.FDefaultColor;
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| 339 | Result.BackgroundColor := Settings.FDefaultBackgroundColor;
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| 340 | Result.LeftMargin := Settings.Margins.Left;
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| 341 | Result.RightMargin := Settings.Margins.Right;
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| 342 | end;
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| 343 |
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| 344 | Procedure GetStartupFont( Var Font: TFont;
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| 345 | Const Face: string;
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| 346 | Const Size: longint );
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| 347 | begin
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| 348 | Font := Screen.CreateCompatibleFont( Screen.GetFontFromPointSize( Face, Size ) );
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| 349 | ReferenceFont( Font );
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| 350 | Font.AutoDestroy := true;
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| 351 | end;
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| 352 |
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| 353 | Procedure TRichTextSettings.SetupComponent;
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| 354 | begin
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| 355 | inherited SetupComponent;
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| 356 |
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| 357 | Name := 'RichTextSettings';
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| 358 |
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| 359 | GetStartupFont( FNormalFont, 'Helv', 8 );
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| 360 | GetStartupFont( FFixedFont, 'Courier', 8 );
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| 361 | GetStartupFont( FHeading1Font, 'Helv', 18 );
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| 362 | GetStartupFont( FHeading2Font, 'Helv', 12 );
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| 363 | GetStartupFont( FHeading3Font, 'Helv', 8 );
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| 364 | FHeading3Font.Attributes := [ faBold ];
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| 365 |
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| 366 | FDefaultColor := clBlack;
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| 367 | FDefaultBackgroundColor := clWhite;
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| 368 |
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| 369 | FDefaultAlignment := taLeft;
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| 370 | FDefaultWrap := true;
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| 371 | FAtLeastOneWordBeforeWrap := false;
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| 372 |
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| 373 | FMarginSizeStyle := msMaximumCharWidth;
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| 374 | FMarginChar := Ord( ' ' );
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| 375 |
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| 376 | FMargins.Left := 0;
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| 377 | FMargins.Right := 0;
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| 378 | FMargins.Top := 0;
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| 379 | FMargins.Bottom := 0;
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| 380 |
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| 381 | FUpdateCount := 0;
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| 382 | FChangesPending := false;
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| 383 | end;
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| 384 |
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| 385 | destructor TRichTextSettings.Destroy;
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| 386 | begin
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| 387 | DereferenceFont( FNormalFont );
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| 388 | DereferenceFont( FFixedFont );
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| 389 | DereferenceFont( FHeading1Font );
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| 390 | DereferenceFont( FHeading2Font );
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| 391 | DereferenceFont( FHeading3Font );
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| 392 |
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| 393 | Inherited Destroy;
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| 394 | end;
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| 395 |
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| 396 | // Font read/write from SCU. I have NO IDEA why I have to do this manually. But
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| 397 | // this way works and everything else I tried doesn't
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| 398 | Procedure TRichTextSettings.ReadSCUResource( Const ResName: TResourceName;
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| 399 | Var Data;
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| 400 | DataLen: LongInt );
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| 401 | Begin
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| 402 | If ResName = 'Heading1Font' Then
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| 403 | Begin
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| 404 | If DataLen <> 0 Then
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| 405 | FHeading1Font := ReadSCUFont( Data, DataLen );
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| 406 | End
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| 407 | Else If ResName = 'Heading2Font' Then
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| 408 | Begin
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| 409 | If DataLen <> 0 Then
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| 410 | FHeading2Font := ReadSCUFont( Data, DataLen );
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| 411 | End
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| 412 | Else If ResName = 'Heading3Font' Then
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| 413 | Begin
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| 414 | If DataLen <> 0 Then
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| 415 | FHeading3Font := ReadSCUFont( Data, DataLen );
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| 416 | End
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| 417 | Else If ResName = 'FixedFont' Then
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| 418 | Begin
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| 419 | If DataLen <> 0 Then
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| 420 | FFixedFont := ReadSCUFont( Data, DataLen );
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| 421 | End
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| 422 | Else if ResName = 'NormalFont' then
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| 423 | Begin
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| 424 | If DataLen <> 0 Then
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| 425 | FNormalFont := ReadSCUFont( Data, DataLen );
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| 426 | End
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| 427 | Else
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| 428 | Inherited ReadSCUResource( ResName, Data, DataLen );
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| 429 | End;
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| 430 |
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| 431 | Function TRichTextSettings.WriteSCUResource( Stream: TResourceStream ): boolean;
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| 432 | begin
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| 433 | Result := Inherited WriteSCUResource( Stream );
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| 434 | If Not Result Then
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| 435 | Exit;
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| 436 |
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| 437 | If FHeading1Font <> Nil then
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| 438 | Result := FHeading1Font.WriteSCUResourceName( Stream, 'Heading1Font' );
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| 439 | If FHeading2Font <> Nil then
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|---|
| 440 | Result := FHeading2Font.WriteSCUResourceName( Stream, 'Heading2Font' );
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|---|
| 441 | If FHeading3Font <> Nil then
|
|---|
| 442 | Result := FHeading3Font.WriteSCUResourceName( Stream, 'Heading3Font' );
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| 443 | If FFixedFont <> Nil then
|
|---|
| 444 | Result := FFixedFont.WriteSCUResourceName( Stream, 'FixedFont' );
|
|---|
| 445 | If FNormalFont <> Nil then
|
|---|
| 446 | Result := FNormalFont.WriteSCUResourceName( Stream, 'NormalFont' );
|
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| 447 |
|
|---|
| 448 | end;
|
|---|
| 449 |
|
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| 450 | Procedure TRichTextSettings.Change;
|
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| 451 | begin
|
|---|
| 452 | if FUpdateCount > 0 then
|
|---|
| 453 | begin
|
|---|
| 454 | FChangesPending := true;
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|---|
| 455 | exit;
|
|---|
| 456 | end;
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| 457 |
|
|---|
| 458 | if FOnChange <> nil then
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|---|
| 459 | FOnChange( self );
|
|---|
| 460 | end;
|
|---|
| 461 |
|
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| 462 | Procedure TRichTextSettings.SetDefaultAlignment( Alignment: TTextAlignment );
|
|---|
| 463 | begin
|
|---|
| 464 | if Alignment = FDefaultAlignment then
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|---|
| 465 | exit; // no change
|
|---|
| 466 |
|
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| 467 | FDefaultAlignment := Alignment;
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| 468 | Change;
|
|---|
| 469 | end;
|
|---|
| 470 |
|
|---|
| 471 | Procedure TRichTextSettings.SetDefaultWrap( Wrap: boolean );
|
|---|
| 472 | begin
|
|---|
| 473 | if Wrap = FDefaultWrap then
|
|---|
| 474 | exit; // no change
|
|---|
| 475 |
|
|---|
| 476 | FDefaultWrap := Wrap;
|
|---|
| 477 | Change;
|
|---|
| 478 | end;
|
|---|
| 479 |
|
|---|
| 480 | Procedure TRichTextSettings.SetAtLeastOneWordBeforeWrap( NewValue: boolean );
|
|---|
| 481 | begin
|
|---|
| 482 | if NewValue = FAtLeastOneWordBeforeWrap then
|
|---|
| 483 | exit; // no change
|
|---|
| 484 |
|
|---|
| 485 | FAtLeastOneWordBeforeWrap := NewValue;
|
|---|
| 486 | Change;
|
|---|
| 487 | end;
|
|---|
| 488 |
|
|---|
| 489 | Procedure TRichTextSettings.SetMarginChar( NewValue: longint );
|
|---|
| 490 | begin
|
|---|
| 491 | if NewValue = FMarginChar then
|
|---|
| 492 | exit; // no change
|
|---|
| 493 |
|
|---|
| 494 | FMarginChar := NewValue;
|
|---|
| 495 |
|
|---|
| 496 | if FMarginSizeStyle <> msSpecifiedChar then
|
|---|
| 497 | // doesn't matter, will be ignored
|
|---|
| 498 | exit;
|
|---|
| 499 | Change;
|
|---|
| 500 | end;
|
|---|
| 501 |
|
|---|
| 502 | Procedure TRichTextSettings.SetMarginSizeStyle( NewValue: TMarginSizeStyle );
|
|---|
| 503 | begin
|
|---|
| 504 | if NewValue = FMarginSizeStyle then
|
|---|
| 505 | exit; // no change
|
|---|
| 506 |
|
|---|
| 507 | FMarginSizeStyle := NewValue;
|
|---|
| 508 | Change;
|
|---|
| 509 | end;
|
|---|
| 510 |
|
|---|
| 511 | Function FontSame( FontA: TFont; FontB: TFont ): boolean;
|
|---|
| 512 | begin
|
|---|
| 513 | if ( FontA = nil )
|
|---|
| 514 | or ( FontB = nil ) then
|
|---|
| 515 | begin
|
|---|
| 516 | Result := FontA = FontB;
|
|---|
| 517 | exit;
|
|---|
| 518 | end;
|
|---|
| 519 |
|
|---|
| 520 | Result := ( FontA.FaceName = FontB.FaceName )
|
|---|
| 521 | and ( FontA.PointSize = FontB.PointSize )
|
|---|
| 522 | and ( FontA.Attributes = FontB.Attributes );
|
|---|
| 523 | end;
|
|---|
| 524 |
|
|---|
| 525 | Procedure TRichTextSettings.AssignFont( Var Font: TFont;
|
|---|
| 526 | NewFont: TFont );
|
|---|
| 527 | begin
|
|---|
| 528 | If NewFont = Nil Then
|
|---|
| 529 | NewFont := Screen.DefaultFont;
|
|---|
| 530 |
|
|---|
| 531 | if FontSame( NewFont, Font ) then
|
|---|
| 532 | exit; // no change
|
|---|
| 533 |
|
|---|
| 534 | DereferenceFont( Font );
|
|---|
| 535 | Font := NewFont;
|
|---|
| 536 | ReferenceFont( Font );
|
|---|
| 537 |
|
|---|
| 538 | Change;
|
|---|
| 539 | End;
|
|---|
| 540 |
|
|---|
| 541 | Procedure TRichTextSettings.SetHeading1Font( NewFont: TFont );
|
|---|
| 542 | begin
|
|---|
| 543 | // ProfileEvent( 'TRichTextSettings.SetHeading1Font' );
|
|---|
| 544 | AssignFont( FHeading1Font, NewFont );
|
|---|
| 545 |
|
|---|
| 546 | // if FHeading1FOnt = nil then
|
|---|
| 547 | // ProfileEvent( ' Set to nil' );
|
|---|
| 548 |
|
|---|
| 549 | end;
|
|---|
| 550 |
|
|---|
| 551 | Procedure TRichTextSettings.SetHeading2Font( NewFont: TFont );
|
|---|
| 552 | begin
|
|---|
| 553 | AssignFont( FHeading2Font, NewFont );
|
|---|
| 554 | End;
|
|---|
| 555 |
|
|---|
| 556 | Procedure TRichTextSettings.SetHeading3Font( NewFont: TFont );
|
|---|
| 557 | begin
|
|---|
| 558 | AssignFont( FHeading3Font, NewFont );
|
|---|
| 559 | End;
|
|---|
| 560 |
|
|---|
| 561 | Procedure TRichTextSettings.SetFixedFont( NewFont: TFont );
|
|---|
| 562 | begin
|
|---|
| 563 | AssignFont( FFixedFont, NewFont );
|
|---|
| 564 | end;
|
|---|
| 565 |
|
|---|
| 566 | Procedure TRichTextSettings.SetNormalFont( NewFont: TFont );
|
|---|
| 567 | begin
|
|---|
| 568 | AssignFont( FNormalFont, NewFont );
|
|---|
| 569 | end;
|
|---|
| 570 |
|
|---|
| 571 | Procedure TRichTextSettings.SetMargins( const NewMargins: TRect );
|
|---|
| 572 | begin
|
|---|
| 573 | if NewMargins = FMargins then
|
|---|
| 574 | exit; // no change
|
|---|
| 575 | FMargins := NewMargins;
|
|---|
| 576 | Change;
|
|---|
| 577 | end;
|
|---|
| 578 |
|
|---|
| 579 | function TRichTextSettings.GetMargin_Left: longint;
|
|---|
| 580 | begin
|
|---|
| 581 | Result := FMargins.Left;
|
|---|
| 582 | end;
|
|---|
| 583 |
|
|---|
| 584 | Procedure TRichTextSettings.SetMargin_Left( NewValue: longint );
|
|---|
| 585 | begin
|
|---|
| 586 | Margins.Left := NewValue;
|
|---|
| 587 | end;
|
|---|
| 588 |
|
|---|
| 589 | function TRichTextSettings.GetMargin_Bottom: longint;
|
|---|
| 590 | begin
|
|---|
| 591 | Result := FMargins.Bottom;
|
|---|
| 592 | end;
|
|---|
| 593 |
|
|---|
| 594 | Procedure TRichTextSettings.SetMargin_Bottom( NewValue: longint );
|
|---|
| 595 | begin
|
|---|
| 596 | Margins.Bottom := NewValue;
|
|---|
| 597 | end;
|
|---|
| 598 |
|
|---|
| 599 | function TRichTextSettings.GetMargin_Right: longint;
|
|---|
| 600 | begin
|
|---|
| 601 | Result := FMargins.Right;
|
|---|
| 602 | end;
|
|---|
| 603 |
|
|---|
| 604 | Procedure TRichTextSettings.SetMargin_Right( NewValue: longint );
|
|---|
| 605 | begin
|
|---|
| 606 | Margins.Right := NewValue;
|
|---|
| 607 | end;
|
|---|
| 608 |
|
|---|
| 609 | function TRichTextSettings.GetMargin_Top: longint;
|
|---|
| 610 | begin
|
|---|
| 611 | Result := FMargins.Top;
|
|---|
| 612 | end;
|
|---|
| 613 |
|
|---|
| 614 | Procedure TRichTextSettings.SetMargin_Top( NewValue: longint );
|
|---|
| 615 | begin
|
|---|
| 616 | Margins.Top := NewValue;
|
|---|
| 617 | end;
|
|---|
| 618 |
|
|---|
| 619 | Procedure TRichTextSettings.SetDefaultColor( NewColor: TColor );
|
|---|
| 620 | begin
|
|---|
| 621 | if NewColor = FDefaultColor then
|
|---|
| 622 | exit;
|
|---|
| 623 | FDefaultColor := NewColor;
|
|---|
| 624 | Change;
|
|---|
| 625 | end;
|
|---|
| 626 |
|
|---|
| 627 | Procedure TRichTextSettings.SetDefaultBackgroundColor( NewColor: TColor );
|
|---|
| 628 | begin
|
|---|
| 629 | if NewColor = FDefaultBackgroundColor then
|
|---|
| 630 | exit;
|
|---|
| 631 | FDefaultBackgroundColor := NewColor;
|
|---|
| 632 | Change;
|
|---|
| 633 | end;
|
|---|
| 634 |
|
|---|
| 635 | procedure TRichTextSettings.BeginUpdate;
|
|---|
| 636 | begin
|
|---|
| 637 | inc( FUpdateCount );
|
|---|
| 638 | end;
|
|---|
| 639 |
|
|---|
| 640 | procedure TRichTextSettings.EndUpdate;
|
|---|
| 641 | begin
|
|---|
| 642 | if FUpdateCount = 0 then
|
|---|
| 643 | exit;
|
|---|
| 644 |
|
|---|
| 645 | dec( FUpdateCount );
|
|---|
| 646 | if FUpdateCount = 0 then
|
|---|
| 647 | begin
|
|---|
| 648 | if FChangesPending then
|
|---|
| 649 | begin
|
|---|
| 650 | Change;
|
|---|
| 651 | FChangesPending := false;
|
|---|
| 652 | end;
|
|---|
| 653 | end;
|
|---|
| 654 | end;
|
|---|
| 655 |
|
|---|
| 656 | Initialization
|
|---|
| 657 | RegisterClasses( [ TRichTextSettings ] );
|
|---|
| 658 | End.
|
|---|
