Fixed bug in CreateFileMapping when name is not NULL.
[wine/multimedia.git] / windows / caret.c
blob49026e3b10a9a8ee8a811846cdf09c130f00a8c6
1 /*
2 * Caret functions
4 * Copyright 1993 David Metcalfe
5 * Copyright 1996 Frans van Dorsselaer
6 */
8 #include "windows.h"
9 #include "module.h"
10 #include "debug.h"
12 typedef struct
14 HWND32 hwnd;
15 UINT32 hidden;
16 BOOL32 on;
17 INT32 x;
18 INT32 y;
19 INT32 width;
20 INT32 height;
21 HBRUSH16 hBrush;
22 UINT32 timeout;
23 UINT32 timerid;
24 } CARET;
26 typedef enum
28 CARET_OFF = 0,
29 CARET_ON,
30 CARET_TOGGLE,
31 } DISPLAY_CARET;
33 static CARET Caret = { 0, 0, FALSE, 0, 0, 2, 12, 0, 500, 0 };
35 /*****************************************************************
36 * CARET_GetHwnd
38 HWND32 CARET_GetHwnd(void)
40 return Caret.hwnd;
43 /*****************************************************************
44 * CARET_GetRect
46 void CARET_GetRect(LPRECT32 lprc)
48 lprc->right = (lprc->left = Caret.x) + Caret.width - 1;
49 lprc->bottom = (lprc->top = Caret.y) + Caret.height - 1;
52 /*****************************************************************
53 * CARET_DisplayCaret
55 static void CARET_DisplayCaret( DISPLAY_CARET status )
57 HDC32 hdc;
58 HBRUSH16 hPrevBrush;
60 if (Caret.on && (status == CARET_ON)) return;
61 if (!Caret.on && (status == CARET_OFF)) return;
63 /* So now it's always a toggle */
65 Caret.on = !Caret.on;
66 /* do not use DCX_CACHE here, for x,y,width,height are in logical units */
67 if (!(hdc = GetDCEx32( Caret.hwnd, 0, DCX_USESTYLE /*| DCX_CACHE*/ ))) return;
68 hPrevBrush = SelectObject32( hdc, Caret.hBrush );
69 PatBlt32( hdc, Caret.x, Caret.y, Caret.width, Caret.height, PATINVERT );
70 SelectObject32( hdc, hPrevBrush );
71 ReleaseDC32( Caret.hwnd, hdc );
75 /*****************************************************************
76 * CARET_Callback
78 static VOID CALLBACK CARET_Callback( HWND32 hwnd, UINT32 msg, UINT32 id, DWORD ctime)
80 TRACE(caret,"hwnd=%04x, timerid=%d, caret=%d\n",
81 hwnd, id, Caret.on);
82 CARET_DisplayCaret(CARET_TOGGLE);
86 /*****************************************************************
87 * CARET_SetTimer
89 static void CARET_SetTimer(void)
91 if (Caret.timerid) KillSystemTimer32( (HWND32)0, Caret.timerid );
92 Caret.timerid = SetSystemTimer32( (HWND32)0, 0, Caret.timeout,
93 CARET_Callback );
97 /*****************************************************************
98 * CARET_ResetTimer
100 static void CARET_ResetTimer(void)
102 if (Caret.timerid)
104 KillSystemTimer32( (HWND32)0, Caret.timerid );
105 Caret.timerid = SetSystemTimer32( (HWND32)0, 0, Caret.timeout,
106 CARET_Callback );
111 /*****************************************************************
112 * CARET_KillTimer
114 static void CARET_KillTimer(void)
116 if (Caret.timerid)
118 KillSystemTimer32( (HWND32)0, Caret.timerid );
119 Caret.timerid = 0;
124 /*****************************************************************
125 * CreateCaret16 (USER.163)
127 void WINAPI CreateCaret16( HWND16 hwnd, HBITMAP16 bitmap,
128 INT16 width, INT16 height )
130 CreateCaret32( hwnd, bitmap, width, height );
133 /*****************************************************************
134 * CreateCaret32 (USER32.66)
136 BOOL32 WINAPI CreateCaret32( HWND32 hwnd, HBITMAP32 bitmap,
137 INT32 width, INT32 height )
139 TRACE(caret,"hwnd=%04x\n", hwnd);
141 if (!hwnd) return FALSE;
143 /* if cursor already exists, destroy it */
144 if (Caret.hwnd) DestroyCaret32();
146 if (bitmap && (bitmap != 1))
148 BITMAP16 bmp;
149 if (!GetObject16( bitmap, sizeof(bmp), &bmp )) return FALSE;
150 Caret.width = bmp.bmWidth;
151 Caret.height = bmp.bmHeight;
152 /* FIXME: we should make a copy of the bitmap instead of a brush */
153 Caret.hBrush = CreatePatternBrush32( bitmap );
155 else
157 Caret.width = width ? width : GetSystemMetrics32(SM_CXBORDER);
158 Caret.height = height ? height : GetSystemMetrics32(SM_CYBORDER);
159 Caret.hBrush = CreateSolidBrush32(bitmap ?
160 GetSysColor32(COLOR_GRAYTEXT) :
161 GetSysColor32(COLOR_WINDOW) );
164 Caret.hwnd = hwnd;
165 Caret.hidden = 1;
166 Caret.on = FALSE;
167 Caret.x = 0;
168 Caret.y = 0;
170 Caret.timeout = GetProfileInt32A( "windows", "CursorBlinkRate", 500 );
171 return TRUE;
175 /*****************************************************************
176 * DestroyCaret16 (USER.164)
178 void WINAPI DestroyCaret16(void)
180 DestroyCaret32();
184 /*****************************************************************
185 * DestroyCaret32 (USER32.131)
187 BOOL32 WINAPI DestroyCaret32(void)
189 if (!Caret.hwnd) return FALSE;
191 TRACE(caret,"hwnd=%04x, timerid=%d\n",
192 Caret.hwnd, Caret.timerid);
194 CARET_KillTimer();
195 CARET_DisplayCaret(CARET_OFF);
196 DeleteObject32( Caret.hBrush );
197 Caret.hwnd = 0;
198 return TRUE;
202 /*****************************************************************
203 * SetCaretPos16 (USER.165)
205 void WINAPI SetCaretPos16( INT16 x, INT16 y )
207 SetCaretPos32( x, y );
211 /*****************************************************************
212 * SetCaretPos32 (USER32.466)
214 BOOL32 WINAPI SetCaretPos32( INT32 x, INT32 y)
216 if (!Caret.hwnd) return FALSE;
217 if ((x == Caret.x) && (y == Caret.y)) return TRUE;
219 TRACE(caret,"x=%d, y=%d\n", x, y);
221 CARET_KillTimer();
222 CARET_DisplayCaret(CARET_OFF);
223 Caret.x = x;
224 Caret.y = y;
225 if (!Caret.hidden)
227 CARET_DisplayCaret(CARET_ON);
228 CARET_SetTimer();
230 return TRUE;
234 /*****************************************************************
235 * HideCaret16 (USER.166)
237 void WINAPI HideCaret16( HWND16 hwnd )
239 HideCaret32( hwnd );
243 /*****************************************************************
244 * HideCaret32 (USER32.317)
246 BOOL32 WINAPI HideCaret32( HWND32 hwnd )
248 if (!Caret.hwnd) return FALSE;
249 if (hwnd && (Caret.hwnd != hwnd)) return FALSE;
251 TRACE(caret,"hwnd=%04x, hidden=%d\n",
252 hwnd, Caret.hidden);
254 CARET_KillTimer();
255 CARET_DisplayCaret(CARET_OFF);
256 Caret.hidden++;
257 return TRUE;
261 /*****************************************************************
262 * ShowCaret16 (USER.167)
264 void WINAPI ShowCaret16( HWND16 hwnd )
266 ShowCaret32( hwnd );
270 /*****************************************************************
271 * ShowCaret32 (USER32.529)
273 BOOL32 WINAPI ShowCaret32( HWND32 hwnd )
275 if (!Caret.hwnd) return FALSE;
276 if (hwnd && (Caret.hwnd != hwnd)) return FALSE;
278 TRACE(caret,"hwnd=%04x, hidden=%d\n",
279 hwnd, Caret.hidden);
281 if (Caret.hidden)
283 Caret.hidden--;
284 if (!Caret.hidden)
286 CARET_DisplayCaret(CARET_ON);
287 CARET_SetTimer();
290 return TRUE;
294 /*****************************************************************
295 * SetCaretBlinkTime16 (USER.168)
297 void WINAPI SetCaretBlinkTime16( UINT16 msecs )
299 SetCaretBlinkTime32( msecs );
302 /*****************************************************************
303 * SetCaretBlinkTime32 (USER32.465)
305 BOOL32 WINAPI SetCaretBlinkTime32( UINT32 msecs )
307 if (!Caret.hwnd) return FALSE;
309 TRACE(caret,"hwnd=%04x, msecs=%d\n",
310 Caret.hwnd, msecs);
312 Caret.timeout = msecs;
313 CARET_ResetTimer();
314 return TRUE;
318 /*****************************************************************
319 * GetCaretBlinkTime16 (USER.169)
321 UINT16 WINAPI GetCaretBlinkTime16(void)
323 return (UINT16)GetCaretBlinkTime32();
327 /*****************************************************************
328 * GetCaretBlinkTime32 (USER32.209)
330 UINT32 WINAPI GetCaretBlinkTime32(void)
332 return Caret.timeout;
336 /*****************************************************************
337 * GetCaretPos16 (USER.183)
339 VOID WINAPI GetCaretPos16( LPPOINT16 pt )
341 if (!Caret.hwnd || !pt) return;
343 TRACE(caret,"hwnd=%04x, pt=%p, x=%d, y=%d\n",
344 Caret.hwnd, pt, Caret.x, Caret.y);
345 pt->x = (INT16)Caret.x;
346 pt->y = (INT16)Caret.y;
350 /*****************************************************************
351 * GetCaretPos32 (USER32.210)
353 BOOL32 WINAPI GetCaretPos32( LPPOINT32 pt )
355 if (!Caret.hwnd || !pt) return FALSE;
356 pt->x = Caret.x;
357 pt->y = Caret.y;
358 return TRUE;