| 1 | /* | 
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| 2 | * Icontitle window class. | 
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| 3 | * | 
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| 4 | * Copyright 1997 Alex Korobka | 
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| 5 | * | 
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| 6 | * This library is free software; you can redistribute it and/or | 
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| 7 | * modify it under the terms of the GNU Lesser General Public | 
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| 8 | * License as published by the Free Software Foundation; either | 
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| 9 | * version 2.1 of the License, or (at your option) any later version. | 
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| 10 | * | 
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| 11 | * This library is distributed in the hope that it will be useful, | 
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 14 | * Lesser General Public License for more details. | 
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| 15 | * | 
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| 16 | * You should have received a copy of the GNU Lesser General Public | 
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| 17 | * License along with this library; if not, write to the Free Software | 
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| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
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| 19 | */ | 
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| 20 |  | 
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| 21 | #include <stdio.h> | 
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| 22 | #include <string.h> | 
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| 23 | #include <unistd.h> | 
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| 24 |  | 
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| 25 | #include "windef.h" | 
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| 26 | #include "winbase.h" | 
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| 27 | #include "wingdi.h" | 
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| 28 | #include "winuser.h" | 
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| 29 | #include "wine/winuser16.h" | 
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| 30 | #include "wine/unicode.h" | 
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| 31 | #include "controls.h" | 
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| 32 | #include "win.h" | 
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| 33 |  | 
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| 34 | static BOOL bMultiLineTitle; | 
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| 35 | static HFONT hIconTitleFont; | 
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| 36 |  | 
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| 37 | static LRESULT WINAPI IconTitleWndProc( HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam ); | 
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| 38 |  | 
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| 39 | /********************************************************************* | 
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| 40 | * icon title class descriptor | 
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| 41 | */ | 
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| 42 | const struct builtin_class_descr ICONTITLE_builtin_class = | 
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| 43 | { | 
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| 44 | ICONTITLE_CLASS_ATOM, /* name */ | 
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| 45 | CS_GLOBALCLASS,       /* style */ | 
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| 46 | NULL,                 /* procA (winproc is Unicode only) */ | 
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| 47 | IconTitleWndProc,     /* procW */ | 
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| 48 | 0,                    /* extra */ | 
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| 49 | IDC_ARROWA,           /* cursor */ | 
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| 50 | 0                     /* brush */ | 
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| 51 | }; | 
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| 52 |  | 
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| 53 |  | 
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| 54 |  | 
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| 55 | /*********************************************************************** | 
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| 56 | *           ICONTITLE_Create | 
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| 57 | */ | 
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| 58 | HWND ICONTITLE_Create( HWND owner ) | 
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| 59 | { | 
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| 60 | HWND hWnd; | 
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| 61 | HINSTANCE instance = GetWindowLongA( owner, GWL_HINSTANCE ); | 
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| 62 | LONG style = WS_CLIPSIBLINGS; | 
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| 63 |  | 
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| 64 | if (!IsWindowEnabled(owner)) style |= WS_DISABLED; | 
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| 65 | if( GetWindowLongA( owner, GWL_STYLE ) & WS_CHILD ) | 
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| 66 | hWnd = CreateWindowExA( 0, ICONTITLE_CLASS_ATOM, NULL, | 
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| 67 | style | WS_CHILD, 0, 0, 1, 1, | 
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| 68 | GetParent(owner), 0, instance, NULL ); | 
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| 69 | else | 
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| 70 | hWnd = CreateWindowExA( 0, ICONTITLE_CLASS_ATOM, NULL, | 
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| 71 | style, 0, 0, 1, 1, | 
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| 72 | owner, 0, instance, NULL ); | 
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| 73 | WIN_SetOwner( hWnd, owner );  /* MDI depends on this */ | 
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| 74 | SetWindowLongW( hWnd, GWL_STYLE, | 
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| 75 | GetWindowLongW( hWnd, GWL_STYLE ) & ~(WS_CAPTION | WS_BORDER) ); | 
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| 76 | return hWnd; | 
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| 77 | } | 
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| 78 |  | 
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| 79 | /*********************************************************************** | 
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| 80 | *           ICONTITLE_SetTitlePos | 
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| 81 | */ | 
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| 82 | static BOOL ICONTITLE_SetTitlePos( HWND hwnd, HWND owner ) | 
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| 83 | { | 
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| 84 | static WCHAR emptyTitleText[] = {'<','.','.','.','>',0}; | 
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| 85 | WCHAR str[80]; | 
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| 86 | HDC hDC; | 
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| 87 | HFONT hPrevFont; | 
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| 88 | RECT rect; | 
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| 89 | INT cx, cy; | 
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| 90 | POINT pt; | 
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| 91 |  | 
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| 92 | int length = GetWindowTextW( owner, str, sizeof(str)/sizeof(WCHAR) ); | 
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| 93 |  | 
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| 94 | while (length && str[length - 1] == ' ') /* remove trailing spaces */ | 
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| 95 | str[--length] = 0; | 
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| 96 |  | 
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| 97 | if( !length ) | 
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| 98 | { | 
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| 99 | strcpyW( str, emptyTitleText ); | 
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| 100 | length = strlenW( str ); | 
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| 101 | } | 
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| 102 |  | 
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| 103 | if (!(hDC = GetDC( hwnd ))) return FALSE; | 
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| 104 |  | 
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| 105 | hPrevFont = SelectObject( hDC, hIconTitleFont ); | 
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| 106 |  | 
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| 107 | SetRect( &rect, 0, 0, GetSystemMetrics(SM_CXICONSPACING) - | 
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| 108 | GetSystemMetrics(SM_CXBORDER) * 2, | 
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| 109 | GetSystemMetrics(SM_CYBORDER) * 2 ); | 
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| 110 |  | 
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| 111 | DrawTextW( hDC, str, length, &rect, DT_CALCRECT | DT_CENTER | DT_NOPREFIX | DT_WORDBREAK | | 
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| 112 | (( bMultiLineTitle ) ? 0 : DT_SINGLELINE) ); | 
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| 113 |  | 
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| 114 | SelectObject( hDC, hPrevFont ); | 
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| 115 | ReleaseDC( hwnd, hDC ); | 
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| 116 |  | 
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| 117 | cx = rect.right - rect.left +  4 * GetSystemMetrics(SM_CXBORDER); | 
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| 118 | cy = rect.bottom - rect.top; | 
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| 119 |  | 
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| 120 | pt.x = (GetSystemMetrics(SM_CXICON) - cx) / 2; | 
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| 121 | pt.y = GetSystemMetrics(SM_CYICON); | 
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| 122 |  | 
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| 123 | /* point is relative to owner, make it relative to parent */ | 
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| 124 | MapWindowPoints( owner, GetParent(hwnd), &pt, 1 ); | 
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| 125 |  | 
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| 126 | SetWindowPos( hwnd, owner, pt.x, pt.y, cx, cy, SWP_NOACTIVATE ); | 
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| 127 | return TRUE; | 
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| 128 | } | 
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| 129 |  | 
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| 130 | /*********************************************************************** | 
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| 131 | *           ICONTITLE_Paint | 
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| 132 | */ | 
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| 133 | static BOOL ICONTITLE_Paint( HWND hwnd, HWND owner, HDC hDC, BOOL bActive ) | 
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| 134 | { | 
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| 135 | RECT rect; | 
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| 136 | HFONT hPrevFont; | 
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| 137 | HBRUSH hBrush = 0; | 
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| 138 | COLORREF textColor = 0; | 
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| 139 |  | 
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| 140 | if( bActive ) | 
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| 141 | { | 
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| 142 | hBrush = GetSysColorBrush(COLOR_ACTIVECAPTION); | 
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| 143 | textColor = GetSysColor(COLOR_CAPTIONTEXT); | 
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| 144 | } | 
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| 145 | else | 
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| 146 | { | 
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| 147 | if( GetWindowLongA( hwnd, GWL_STYLE ) & WS_CHILD ) | 
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| 148 | { | 
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| 149 | hBrush = (HBRUSH) GetClassLongA(hwnd, GCL_HBRBACKGROUND); | 
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| 150 | if( hBrush ) | 
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| 151 | { | 
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| 152 | INT level; | 
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| 153 | LOGBRUSH logBrush; | 
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| 154 | GetObjectA( hBrush, sizeof(logBrush), &logBrush ); | 
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| 155 | level = GetRValue(logBrush.lbColor) + | 
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| 156 | GetGValue(logBrush.lbColor) + | 
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| 157 | GetBValue(logBrush.lbColor); | 
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| 158 | if( level < (0x7F * 3) ) | 
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| 159 | textColor = RGB( 0xFF, 0xFF, 0xFF ); | 
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| 160 | } | 
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| 161 | else | 
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| 162 | hBrush = GetStockObject( WHITE_BRUSH ); | 
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| 163 | } | 
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| 164 | else | 
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| 165 | { | 
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| 166 | hBrush = GetStockObject( BLACK_BRUSH ); | 
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| 167 | textColor = RGB( 0xFF, 0xFF, 0xFF ); | 
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| 168 | } | 
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| 169 | } | 
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| 170 |  | 
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| 171 | GetClientRect( hwnd, &rect ); | 
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| 172 | DPtoLP( hDC, (LPPOINT)&rect, 2 ); | 
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| 173 | FillRect( hDC, &rect, hBrush ); | 
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| 174 |  | 
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| 175 | hPrevFont = SelectObject( hDC, hIconTitleFont ); | 
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| 176 | if( hPrevFont ) | 
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| 177 | { | 
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| 178 | WCHAR buffer[80]; | 
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| 179 |  | 
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| 180 | INT length = GetWindowTextW( owner, buffer, sizeof(buffer) ); | 
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| 181 | SetTextColor( hDC, textColor ); | 
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| 182 | SetBkMode( hDC, TRANSPARENT ); | 
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| 183 |  | 
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| 184 | DrawTextW( hDC, buffer, length, &rect, DT_CENTER | DT_NOPREFIX | | 
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| 185 | DT_WORDBREAK | ((bMultiLineTitle) ? 0 : DT_SINGLELINE) ); | 
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| 186 |  | 
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| 187 | SelectObject( hDC, hPrevFont ); | 
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| 188 | } | 
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| 189 | return (hPrevFont != 0); | 
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| 190 | } | 
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| 191 |  | 
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| 192 | /*********************************************************************** | 
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| 193 | *           IconTitleWndProc | 
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| 194 | */ | 
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| 195 | LRESULT WINAPI IconTitleWndProc( HWND hWnd, UINT msg, | 
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| 196 | WPARAM wParam, LPARAM lParam ) | 
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| 197 | { | 
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| 198 | HWND owner = GetWindow( hWnd, GW_OWNER ); | 
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| 199 |  | 
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| 200 | if (!IsWindow(hWnd)) return 0; | 
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| 201 |  | 
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| 202 | switch( msg ) | 
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| 203 | { | 
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| 204 | case WM_CREATE: | 
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| 205 | if (!hIconTitleFont) | 
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| 206 | { | 
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| 207 | LOGFONTA logFont; | 
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| 208 | SystemParametersInfoA( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 ); | 
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| 209 | SystemParametersInfoA( SPI_GETICONTITLEWRAP, 0, &bMultiLineTitle, 0 ); | 
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| 210 | hIconTitleFont = CreateFontIndirectA( &logFont ); | 
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| 211 | } | 
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| 212 | return (hIconTitleFont ? 0 : -1); | 
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| 213 | case WM_NCHITTEST: | 
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| 214 | return HTCAPTION; | 
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| 215 | case WM_NCMOUSEMOVE: | 
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| 216 | case WM_NCLBUTTONDBLCLK: | 
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| 217 | return SendMessageW( owner, msg, wParam, lParam ); | 
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| 218 | case WM_ACTIVATE: | 
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| 219 | if( wParam ) SetActiveWindow( owner ); | 
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| 220 | return 0; | 
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| 221 | case WM_CLOSE: | 
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| 222 | return 0; | 
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| 223 | case WM_SHOWWINDOW: | 
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| 224 | if (wParam) ICONTITLE_SetTitlePos( hWnd, owner ); | 
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| 225 | return 0; | 
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| 226 | case WM_ERASEBKGND: | 
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| 227 | if( GetWindowLongA( owner, GWL_STYLE ) & WS_CHILD ) | 
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| 228 | lParam = SendMessageA( owner, WM_ISACTIVEICON, 0, 0 ); | 
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| 229 | else | 
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| 230 | lParam = (owner == GetActiveWindow()); | 
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| 231 | if( ICONTITLE_Paint( hWnd, owner, (HDC)wParam, (BOOL)lParam ) ) | 
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| 232 | ValidateRect( hWnd, NULL ); | 
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| 233 | return 1; | 
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| 234 | } | 
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| 235 | return DefWindowProcW( hWnd, msg, wParam, lParam ); | 
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| 236 | } | 
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| 237 |  | 
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| 238 |  | 
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