source: trunk/src/user32/old/icontitle.cpp@ 5769

Last change on this file since 5769 was 5684, checked in by sandervl, 24 years ago

frame only user32 version
File size: 9.1 KB
Line 
1/* $Id: icontitle.cpp,v 1.1 2001-05-11 08:38:37 sandervl Exp $ */
2/*
3 * Icontitle window class.
4 *
5 * Copyright 1997 Alex Korobka
6 *
7 * Copyright 1999 Christoph Bratschi
8 */
9
10#include <stdio.h>
11#include <string.h>
12#include <os2win.h>
13#include <heapstring.h>
14#include "controls.h"
15#include "icontitle.h"
16
17#define DBG_LOCALLOG DBG_icontitle
18#include "dbglocal.h"
19
20static LPCSTR emptyTitleText = "<...>";
21
22 BOOL bMultiLineTitle;
23 HFONT hIconTitleFont;
24
25/***********************************************************************
26 * ICONTITLE_Init
27 */
28BOOL ICONTITLE_Init(void)
29{
30 LOGFONTA logFont;
31
32 SystemParametersInfoA( SPI_GETICONTITLELOGFONT, 0, &logFont, 0 );
33 SystemParametersInfoA( SPI_GETICONTITLEWRAP, 0, &bMultiLineTitle, 0 );
34 hIconTitleFont = CreateFontIndirectA( &logFont );
35 return (hIconTitleFont) ? TRUE : FALSE;
36}
37
38/***********************************************************************
39 * ICONTITLE_Create
40 */
41HWND ICONTITLE_Create(Win32BaseWindow *parent)
42{
43 HWND hWnd;
44 Win32BaseWindow *win32wnd;
45
46 if (parent->getStyle() & WS_CHILD)
47 hWnd = CreateWindowExA( 0, ICONTITLECLASSNAME, NULL,
48 WS_CHILD | WS_CLIPSIBLINGS, 0, 0, 1, 1,
49 parent->getWindowHandle(),0,parent->getInstance(), NULL );
50 else
51 hWnd = CreateWindowExA( 0, ICONTITLECLASSNAME, NULL,
52 WS_CLIPSIBLINGS, 0, 0, 1, 1,
53 parent->getWindowHandle(),0,parent->getInstance(), NULL );
54 win32wnd = Win32BaseWindow::GetWindowFromHandle(hWnd);
55 if (win32wnd)
56 {
57 win32wnd->setOwner(parent); /* MDI depends on this */
58 win32wnd->setStyle(win32wnd->getStyle() & ~(WS_CAPTION | WS_BORDER));
59 if (parent->getStyle() & WS_DISABLED ) win32wnd->setStyle(win32wnd->getStyle() | WS_DISABLED);
60 return hWnd;
61 }
62 return 0;
63}
64
65/***********************************************************************
66 * ICONTITLE_GetTitlePos
67 */
68static BOOL ICONTITLE_GetTitlePos(Win32BaseWindow *wnd,LPRECT lpRect)
69{
70 LPSTR str;
71 int length = wnd->getOwner()->GetWindowTextLengthA();
72
73 if( length )
74 {
75 str = (LPSTR)HeapAlloc( GetProcessHeap(), 0, length + 1 );
76 wnd->getOwner()->GetWindowTextA(str,length);
77 while( str[length - 1] == ' ' ) /* remove trailing spaces */
78 {
79 str[--length] = '\0';
80 if( !length )
81 {
82 HeapFree( GetProcessHeap(), 0, str );
83 break;
84 }
85 }
86 }
87 if( !length )
88 {
89 str = (LPSTR)emptyTitleText;
90 length = lstrlenA( str );
91 }
92
93 if( str )
94 {
95 HDC hDC = GetDC(wnd->getWindowHandle());
96 if( hDC )
97 {
98 HFONT hPrevFont = SelectObject( hDC, hIconTitleFont );
99
100 SetRect( lpRect, 0, 0, GetSystemMetrics(SM_CXICONSPACING) -
101 GetSystemMetrics(SM_CXBORDER) * 2,
102 GetSystemMetrics(SM_CYBORDER) * 2 );
103
104 DrawTextA( hDC, str, length, lpRect, DT_CALCRECT |
105 DT_CENTER | DT_NOPREFIX | DT_WORDBREAK |
106 (( bMultiLineTitle ) ? 0 : DT_SINGLELINE) );
107
108 SelectObject( hDC, hPrevFont );
109 ReleaseDC(wnd->getWindowHandle(),hDC);
110
111 RECT rectWindow = *wnd->getOwner()->getWindowRect();
112 lpRect->right += 4 * GetSystemMetrics(SM_CXBORDER) - lpRect->left;
113 lpRect->left = rectWindow.left + GetSystemMetrics(SM_CXICON) / 2 -
114 (lpRect->right - lpRect->left) / 2;
115 lpRect->bottom -= lpRect->top;
116 lpRect->top = rectWindow.top + GetSystemMetrics(SM_CYICON);
117 }
118 if( str != emptyTitleText ) HeapFree( GetProcessHeap(), 0, str );
119 return ( hDC ) ? TRUE : FALSE;
120 }
121 return FALSE;
122}
123
124/***********************************************************************
125 * ICONTITLE_Paint
126 */
127static BOOL ICONTITLE_Paint(Win32BaseWindow *wnd, HDC hDC, BOOL bActive )
128{
129 HFONT hPrevFont;
130 HBRUSH hBrush = 0;
131 COLORREF textColor = 0;
132
133 if( bActive )
134 {
135 hBrush = GetSysColorBrush(COLOR_ACTIVECAPTION);
136 textColor = GetSysColor(COLOR_CAPTIONTEXT);
137 }
138 else
139 {
140 if( wnd->getStyle() & WS_CHILD )
141 {
142 hBrush = (HBRUSH)wnd->getClass()->getClassLongA(GCL_HBRBACKGROUND);
143 if( hBrush )
144 {
145 INT level;
146 LOGBRUSH logBrush;
147 GetObjectA( hBrush, sizeof(logBrush), &logBrush );
148 level = GetRValue(logBrush.lbColor) +
149 GetGValue(logBrush.lbColor) +
150 GetBValue(logBrush.lbColor);
151 if( level < (0x7F * 3) )
152 textColor = RGB( 0xFF, 0xFF, 0xFF );
153 }
154 else
155 hBrush = GetStockObject( WHITE_BRUSH );
156 }
157 else
158 {
159 hBrush = GetStockObject( BLACK_BRUSH );
160 textColor = RGB( 0xFF, 0xFF, 0xFF );
161 }
162 }
163
164 //FillWindow16(wnd->getParent()->getWindowHandle(),hwnd,hDC,hBrush); //CB: todo
165
166 hPrevFont = SelectObject( hDC, hIconTitleFont );
167 if( hPrevFont )
168 {
169 RECT rect,rectWindow = *wnd->getWindowRect();
170 INT length;
171 char buffer[80];
172
173 rect.left = rect.top = 0;
174 rect.right = rectWindow.right - rectWindow.left;
175 rect.bottom = rectWindow.bottom - rectWindow.top;
176
177 length = wnd->getOwner()->GetWindowTextA(buffer, 80 );
178 SetTextColor( hDC, textColor );
179 SetBkMode( hDC, TRANSPARENT );
180
181 DrawTextA( hDC, buffer, length, &rect, DT_CENTER | DT_NOPREFIX |
182 DT_WORDBREAK | ((bMultiLineTitle) ? 0 : DT_SINGLELINE) );
183
184 SelectObject( hDC, hPrevFont );
185 }
186 return ( hPrevFont ) ? TRUE : FALSE;
187}
188
189/***********************************************************************
190 * IconTitleWndProc
191 */
192LRESULT WINAPI IconTitleWndProc( HWND hWnd, UINT msg,
193 WPARAM wParam, LPARAM lParam )
194{
195 LRESULT retvalue;
196 Win32BaseWindow *wnd = Win32BaseWindow::GetWindowFromHandle(hWnd);
197
198 switch( msg )
199 {
200 case WM_NCHITTEST:
201 retvalue = HTCAPTION;
202 goto END;
203 case WM_NCMOUSEMOVE:
204 case WM_NCLBUTTONDBLCLK:
205 retvalue = SendMessageA( wnd->getOwner()->getWindowHandle(), msg, wParam, lParam );
206 goto END;
207 case WM_ACTIVATE:
208 if( wParam ) SetActiveWindow( wnd->getOwner()->getWindowHandle() );
209 /* fall through */
210
211 case WM_CLOSE:
212 retvalue = 0;
213 goto END;
214 case WM_SHOWWINDOW:
215 if( wnd && wParam )
216 {
217 RECT titleRect;
218
219 ICONTITLE_GetTitlePos( wnd, &titleRect );
220 if( wnd->getOwner()->getNextChild() != wnd ) /* keep icon title behind the owner */
221 SetWindowPos( hWnd, wnd->getOwner()->getWindowHandle(),
222 titleRect.left, titleRect.top,
223 titleRect.right, titleRect.bottom, SWP_NOACTIVATE );
224 else
225 SetWindowPos( hWnd, 0, titleRect.left, titleRect.top,
226 titleRect.right, titleRect.bottom,
227 SWP_NOACTIVATE | SWP_NOZORDER );
228 }
229 retvalue = 0;
230 goto END;
231 case WM_ERASEBKGND:
232 if( wnd )
233 {
234 Win32BaseWindow* iconWnd = wnd->getOwner();
235
236 if( iconWnd->getStyle() & WS_CHILD )
237 lParam = SendMessageA( iconWnd->getWindowHandle(), WM_ISACTIVEICON, 0, 0 );
238 else
239 lParam = (iconWnd->getWindowHandle() == GetActiveWindow());
240
241 if( ICONTITLE_Paint( wnd, (HDC)wParam, (BOOL)lParam ) )
242 ValidateRect( hWnd, NULL );
243 retvalue = 1;
244 goto END;
245 }
246 }
247
248 retvalue = DefWindowProcA( hWnd, msg, wParam, lParam );
249END:
250 return retvalue;
251}
252
253BOOL ICONTITLE_Register()
254{
255 WNDCLASSA wndClass;
256
257//SvL: Don't check this now
258// if (GlobalFindAtomA(ICONTITLECLASSNAME)) return FALSE;
259
260 ZeroMemory(&wndClass,sizeof(WNDCLASSA));
261 wndClass.style = CS_GLOBALCLASS;
262 wndClass.lpfnWndProc = (WNDPROC)IconTitleWndProc;
263 wndClass.cbClsExtra = 0;
264 wndClass.cbWndExtra = 0;
265 wndClass.hCursor = LoadCursorA(0,IDC_ARROWA);
266 wndClass.hbrBackground = (HBRUSH)0;
267 wndClass.lpszClassName = ICONTITLECLASSNAME;
268
269 return RegisterClassA(&wndClass);
270}
271//******************************************************************************
272//******************************************************************************
273BOOL ICONTITLE_Unregister()
274{
275 if (GlobalFindAtomA(ICONTITLECLASSNAME))
276 return UnregisterClassA(ICONTITLECLASSNAME,(HINSTANCE)NULL);
277 else return FALSE;
278}
279//******************************************************************************
280//******************************************************************************
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