SDL  2.0
SDL_windowsevents.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../../SDL_internal.h"
22 
23 #if SDL_VIDEO_DRIVER_WINDOWS
24 
25 #include "SDL_windowsvideo.h"
26 #include "SDL_windowsshape.h"
27 #include "SDL_system.h"
28 #include "SDL_syswm.h"
29 #include "SDL_timer.h"
30 #include "SDL_vkeys.h"
31 #include "../../events/SDL_events_c.h"
32 #include "../../events/SDL_touch_c.h"
33 #include "../../events/scancodes_windows.h"
34 #include "SDL_assert.h"
35 #include "SDL_hints.h"
36 
37 /* Dropfile support */
38 #include <shellapi.h>
39 
40 /* For GET_X_LPARAM, GET_Y_LPARAM. */
41 #include <windowsx.h>
42 
43 /* #define WMMSG_DEBUG */
44 #ifdef WMMSG_DEBUG
45 #include <stdio.h>
46 #include "wmmsg.h"
47 #endif
48 
49 /* For processing mouse WM_*BUTTON* and WM_MOUSEMOVE message-data from GetMessageExtraInfo() */
50 #define MOUSEEVENTF_FROMTOUCH 0xFF515700
51 
52 /* Masks for processing the windows KEYDOWN and KEYUP messages */
53 #define REPEATED_KEYMASK (1<<30)
54 #define EXTENDED_KEYMASK (1<<24)
55 
56 #define VK_ENTER 10 /* Keypad Enter ... no VKEY defined? */
57 #ifndef VK_OEM_NEC_EQUAL
58 #define VK_OEM_NEC_EQUAL 0x92
59 #endif
60 
61 /* Make sure XBUTTON stuff is defined that isn't in older Platform SDKs... */
62 #ifndef WM_XBUTTONDOWN
63 #define WM_XBUTTONDOWN 0x020B
64 #endif
65 #ifndef WM_XBUTTONUP
66 #define WM_XBUTTONUP 0x020C
67 #endif
68 #ifndef GET_XBUTTON_WPARAM
69 #define GET_XBUTTON_WPARAM(w) (HIWORD(w))
70 #endif
71 #ifndef WM_INPUT
72 #define WM_INPUT 0x00ff
73 #endif
74 #ifndef WM_TOUCH
75 #define WM_TOUCH 0x0240
76 #endif
77 #ifndef WM_MOUSEHWHEEL
78 #define WM_MOUSEHWHEEL 0x020E
79 #endif
80 #ifndef WM_UNICHAR
81 #define WM_UNICHAR 0x0109
82 #endif
83 
84 static SDL_Scancode
85 WindowsScanCodeToSDLScanCode(LPARAM lParam, WPARAM wParam)
86 {
87  SDL_Scancode code;
88  char bIsExtended;
89  int nScanCode = (lParam >> 16) & 0xFF;
90 
91  /* 0x45 here to work around both pause and numlock sharing the same scancode, so use the VK key to tell them apart */
92  if (nScanCode == 0 || nScanCode == 0x45) {
93  switch(wParam) {
94  case VK_CLEAR: return SDL_SCANCODE_CLEAR;
95  case VK_MODECHANGE: return SDL_SCANCODE_MODE;
96  case VK_SELECT: return SDL_SCANCODE_SELECT;
97  case VK_EXECUTE: return SDL_SCANCODE_EXECUTE;
98  case VK_HELP: return SDL_SCANCODE_HELP;
99  case VK_PAUSE: return SDL_SCANCODE_PAUSE;
100  case VK_NUMLOCK: return SDL_SCANCODE_NUMLOCKCLEAR;
101 
102  case VK_F13: return SDL_SCANCODE_F13;
103  case VK_F14: return SDL_SCANCODE_F14;
104  case VK_F15: return SDL_SCANCODE_F15;
105  case VK_F16: return SDL_SCANCODE_F16;
106  case VK_F17: return SDL_SCANCODE_F17;
107  case VK_F18: return SDL_SCANCODE_F18;
108  case VK_F19: return SDL_SCANCODE_F19;
109  case VK_F20: return SDL_SCANCODE_F20;
110  case VK_F21: return SDL_SCANCODE_F21;
111  case VK_F22: return SDL_SCANCODE_F22;
112  case VK_F23: return SDL_SCANCODE_F23;
113  case VK_F24: return SDL_SCANCODE_F24;
114 
115  case VK_OEM_NEC_EQUAL: return SDL_SCANCODE_KP_EQUALS;
116  case VK_BROWSER_BACK: return SDL_SCANCODE_AC_BACK;
117  case VK_BROWSER_FORWARD: return SDL_SCANCODE_AC_FORWARD;
118  case VK_BROWSER_REFRESH: return SDL_SCANCODE_AC_REFRESH;
119  case VK_BROWSER_STOP: return SDL_SCANCODE_AC_STOP;
120  case VK_BROWSER_SEARCH: return SDL_SCANCODE_AC_SEARCH;
121  case VK_BROWSER_FAVORITES: return SDL_SCANCODE_AC_BOOKMARKS;
122  case VK_BROWSER_HOME: return SDL_SCANCODE_AC_HOME;
123  case VK_VOLUME_MUTE: return SDL_SCANCODE_AUDIOMUTE;
124  case VK_VOLUME_DOWN: return SDL_SCANCODE_VOLUMEDOWN;
125  case VK_VOLUME_UP: return SDL_SCANCODE_VOLUMEUP;
126 
127  case VK_MEDIA_NEXT_TRACK: return SDL_SCANCODE_AUDIONEXT;
128  case VK_MEDIA_PREV_TRACK: return SDL_SCANCODE_AUDIOPREV;
129  case VK_MEDIA_STOP: return SDL_SCANCODE_AUDIOSTOP;
130  case VK_MEDIA_PLAY_PAUSE: return SDL_SCANCODE_AUDIOPLAY;
131  case VK_LAUNCH_MAIL: return SDL_SCANCODE_MAIL;
132  case VK_LAUNCH_MEDIA_SELECT: return SDL_SCANCODE_MEDIASELECT;
133 
135 
136  case VK_ATTN: return SDL_SCANCODE_SYSREQ;
137  case VK_CRSEL: return SDL_SCANCODE_CRSEL;
138  case VK_EXSEL: return SDL_SCANCODE_EXSEL;
139  case VK_OEM_CLEAR: return SDL_SCANCODE_CLEAR;
140 
141  case VK_LAUNCH_APP1: return SDL_SCANCODE_APP1;
142  case VK_LAUNCH_APP2: return SDL_SCANCODE_APP2;
143 
144  default: return SDL_SCANCODE_UNKNOWN;
145  }
146  }
147 
148  if (nScanCode > 127)
149  return SDL_SCANCODE_UNKNOWN;
150 
151  code = windows_scancode_table[nScanCode];
152 
153  bIsExtended = (lParam & (1 << 24)) != 0;
154  if (!bIsExtended) {
155  switch (code) {
156  case SDL_SCANCODE_HOME:
157  return SDL_SCANCODE_KP_7;
158  case SDL_SCANCODE_UP:
159  return SDL_SCANCODE_KP_8;
160  case SDL_SCANCODE_PAGEUP:
161  return SDL_SCANCODE_KP_9;
162  case SDL_SCANCODE_LEFT:
163  return SDL_SCANCODE_KP_4;
164  case SDL_SCANCODE_RIGHT:
165  return SDL_SCANCODE_KP_6;
166  case SDL_SCANCODE_END:
167  return SDL_SCANCODE_KP_1;
168  case SDL_SCANCODE_DOWN:
169  return SDL_SCANCODE_KP_2;
171  return SDL_SCANCODE_KP_3;
172  case SDL_SCANCODE_INSERT:
173  return SDL_SCANCODE_KP_0;
174  case SDL_SCANCODE_DELETE:
175  return SDL_SCANCODE_KP_PERIOD;
178  default:
179  break;
180  }
181  } else {
182  switch (code) {
183  case SDL_SCANCODE_RETURN:
184  return SDL_SCANCODE_KP_ENTER;
185  case SDL_SCANCODE_LALT:
186  return SDL_SCANCODE_RALT;
187  case SDL_SCANCODE_LCTRL:
188  return SDL_SCANCODE_RCTRL;
189  case SDL_SCANCODE_SLASH:
190  return SDL_SCANCODE_KP_DIVIDE;
192  return SDL_SCANCODE_KP_PLUS;
193  default:
194  break;
195  }
196  }
197 
198  return code;
199 }
200 
201 static SDL_bool
202 WIN_ShouldIgnoreFocusClick()
203 {
205 }
206 
207 void
208 WIN_CheckWParamMouseButton(SDL_bool bwParamMousePressed, SDL_bool bSDLMousePressed, SDL_WindowData *data, Uint8 button, SDL_MouseID mouseID)
209 {
210  if (data->focus_click_pending & SDL_BUTTON(button)) {
211  /* Ignore the button click for activation */
212  if (!bwParamMousePressed) {
213  data->focus_click_pending &= ~SDL_BUTTON(button);
214  if (!data->focus_click_pending) {
216  }
217  }
218  if (WIN_ShouldIgnoreFocusClick()) {
219  return;
220  }
221  }
222 
223  if (bwParamMousePressed && !bSDLMousePressed) {
224  SDL_SendMouseButton(data->window, mouseID, SDL_PRESSED, button);
225  } else if (!bwParamMousePressed && bSDLMousePressed) {
226  SDL_SendMouseButton(data->window, mouseID, SDL_RELEASED, button);
227  }
228 }
229 
230 /*
231 * Some windows systems fail to send a WM_LBUTTONDOWN sometimes, but each mouse move contains the current button state also
232 * so this funciton reconciles our view of the world with the current buttons reported by windows
233 */
234 void
235 WIN_CheckWParamMouseButtons(WPARAM wParam, SDL_WindowData *data, SDL_MouseID mouseID)
236 {
237  if (wParam != data->mouse_button_flags) {
238  Uint32 mouseFlags = SDL_GetMouseState(NULL, NULL);
239  WIN_CheckWParamMouseButton((wParam & MK_LBUTTON), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, mouseID);
240  WIN_CheckWParamMouseButton((wParam & MK_MBUTTON), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, mouseID);
241  WIN_CheckWParamMouseButton((wParam & MK_RBUTTON), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, mouseID);
242  WIN_CheckWParamMouseButton((wParam & MK_XBUTTON1), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, mouseID);
243  WIN_CheckWParamMouseButton((wParam & MK_XBUTTON2), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, mouseID);
244  data->mouse_button_flags = wParam;
245  }
246 }
247 
248 
249 void
250 WIN_CheckRawMouseButtons(ULONG rawButtons, SDL_WindowData *data)
251 {
252  if (rawButtons != data->mouse_button_flags) {
253  Uint32 mouseFlags = SDL_GetMouseState(NULL, NULL);
254  if ((rawButtons & RI_MOUSE_BUTTON_1_DOWN))
255  WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_1_DOWN), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0);
256  if ((rawButtons & RI_MOUSE_BUTTON_1_UP))
257  WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_1_UP), (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0);
258  if ((rawButtons & RI_MOUSE_BUTTON_2_DOWN))
259  WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_2_DOWN), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0);
260  if ((rawButtons & RI_MOUSE_BUTTON_2_UP))
261  WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_2_UP), (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0);
262  if ((rawButtons & RI_MOUSE_BUTTON_3_DOWN))
263  WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_3_DOWN), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0);
264  if ((rawButtons & RI_MOUSE_BUTTON_3_UP))
265  WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_3_UP), (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0);
266  if ((rawButtons & RI_MOUSE_BUTTON_4_DOWN))
267  WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_4_DOWN), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
268  if ((rawButtons & RI_MOUSE_BUTTON_4_UP))
269  WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_4_UP), (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
270  if ((rawButtons & RI_MOUSE_BUTTON_5_DOWN))
271  WIN_CheckWParamMouseButton((rawButtons & RI_MOUSE_BUTTON_5_DOWN), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
272  if ((rawButtons & RI_MOUSE_BUTTON_5_UP))
273  WIN_CheckWParamMouseButton(!(rawButtons & RI_MOUSE_BUTTON_5_UP), (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
274  data->mouse_button_flags = rawButtons;
275  }
276 }
277 
278 void
279 WIN_CheckAsyncMouseRelease(SDL_WindowData *data)
280 {
281  Uint32 mouseFlags;
282  SHORT keyState;
283 
284  /* mouse buttons may have changed state here, we need to resync them,
285  but we will get a WM_MOUSEMOVE right away which will fix things up if in non raw mode also
286  */
287  mouseFlags = SDL_GetMouseState(NULL, NULL);
288 
289  keyState = GetAsyncKeyState(VK_LBUTTON);
290  if (!(keyState & 0x8000)) {
291  WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_LMASK), data, SDL_BUTTON_LEFT, 0);
292  }
293  keyState = GetAsyncKeyState(VK_RBUTTON);
294  if (!(keyState & 0x8000)) {
295  WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_RMASK), data, SDL_BUTTON_RIGHT, 0);
296  }
297  keyState = GetAsyncKeyState(VK_MBUTTON);
298  if (!(keyState & 0x8000)) {
299  WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_MMASK), data, SDL_BUTTON_MIDDLE, 0);
300  }
301  keyState = GetAsyncKeyState(VK_XBUTTON1);
302  if (!(keyState & 0x8000)) {
303  WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X1MASK), data, SDL_BUTTON_X1, 0);
304  }
305  keyState = GetAsyncKeyState(VK_XBUTTON2);
306  if (!(keyState & 0x8000)) {
307  WIN_CheckWParamMouseButton(SDL_FALSE, (mouseFlags & SDL_BUTTON_X2MASK), data, SDL_BUTTON_X2, 0);
308  }
309  data->mouse_button_flags = 0;
310 }
311 
312 BOOL
313 WIN_ConvertUTF32toUTF8(UINT32 codepoint, char * text)
314 {
315  if (codepoint <= 0x7F) {
316  text[0] = (char) codepoint;
317  text[1] = '\0';
318  } else if (codepoint <= 0x7FF) {
319  text[0] = 0xC0 | (char) ((codepoint >> 6) & 0x1F);
320  text[1] = 0x80 | (char) (codepoint & 0x3F);
321  text[2] = '\0';
322  } else if (codepoint <= 0xFFFF) {
323  text[0] = 0xE0 | (char) ((codepoint >> 12) & 0x0F);
324  text[1] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
325  text[2] = 0x80 | (char) (codepoint & 0x3F);
326  text[3] = '\0';
327  } else if (codepoint <= 0x10FFFF) {
328  text[0] = 0xF0 | (char) ((codepoint >> 18) & 0x0F);
329  text[1] = 0x80 | (char) ((codepoint >> 12) & 0x3F);
330  text[2] = 0x80 | (char) ((codepoint >> 6) & 0x3F);
331  text[3] = 0x80 | (char) (codepoint & 0x3F);
332  text[4] = '\0';
333  } else {
334  return SDL_FALSE;
335  }
336  return SDL_TRUE;
337 }
338 
339 static SDL_bool
340 ShouldGenerateWindowCloseOnAltF4(void)
341 {
343 }
344 
345 LRESULT CALLBACK
346 WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
347 {
349  LRESULT returnCode = -1;
350 
351  /* Send a SDL_SYSWMEVENT if the application wants them */
353  SDL_SysWMmsg wmmsg;
354 
355  SDL_VERSION(&wmmsg.version);
357  wmmsg.msg.win.hwnd = hwnd;
358  wmmsg.msg.win.msg = msg;
359  wmmsg.msg.win.wParam = wParam;
360  wmmsg.msg.win.lParam = lParam;
361  SDL_SendSysWMEvent(&wmmsg);
362  }
363 
364  /* Get the window data for the window */
365  data = (SDL_WindowData *) GetProp(hwnd, TEXT("SDL_WindowData"));
366  if (!data) {
367  return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
368  }
369 
370 #ifdef WMMSG_DEBUG
371  {
372  char message[1024];
373  if (msg > MAX_WMMSG) {
374  SDL_snprintf(message, sizeof(message), "Received windows message: %p UNKNOWN (%d) -- 0x%X, 0x%X\n", hwnd, msg, wParam, lParam);
375  } else {
376  SDL_snprintf(message, sizeof(message), "Received windows message: %p %s -- 0x%X, 0x%X\n", hwnd, wmtab[msg], wParam, lParam);
377  }
378  OutputDebugStringA(message);
379  }
380 #endif /* WMMSG_DEBUG */
381 
382  if (IME_HandleMessage(hwnd, msg, wParam, &lParam, data->videodata))
383  return 0;
384 
385  switch (msg) {
386 
387  case WM_SHOWWINDOW:
388  {
389  if (wParam) {
391  } else {
393  }
394  }
395  break;
396 
397  case WM_ACTIVATE:
398  {
399  POINT cursorPos;
400  BOOL minimized;
401 
402  minimized = HIWORD(wParam);
403  if (!minimized && (LOWORD(wParam) != WA_INACTIVE)) {
404  if (LOWORD(wParam) == WA_CLICKACTIVE) {
405  if (GetAsyncKeyState(VK_LBUTTON)) {
407  }
408  if (GetAsyncKeyState(VK_RBUTTON)) {
410  }
411  if (GetAsyncKeyState(VK_MBUTTON)) {
413  }
414  if (GetAsyncKeyState(VK_XBUTTON1)) {
416  }
417  if (GetAsyncKeyState(VK_XBUTTON2)) {
419  }
420  }
421 
423  if (SDL_GetKeyboardFocus() != data->window) {
425  }
426 
427  GetCursorPos(&cursorPos);
428  ScreenToClient(hwnd, &cursorPos);
429  SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
430 
431  WIN_CheckAsyncMouseRelease(data);
432 
433  /*
434  * FIXME: Update keyboard state
435  */
437 
438  SDL_ToggleModState(KMOD_CAPS, (GetKeyState(VK_CAPITAL) & 0x0001) != 0);
439  SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0);
440  } else {
442 
443  if (SDL_GetKeyboardFocus() == data->window) {
446  }
447 
448  ClipCursor(NULL);
449 
451  }
452  }
453  returnCode = 0;
454  break;
455 
456  case WM_MOUSEMOVE:
457  {
458  SDL_Mouse *mouse = SDL_GetMouse();
459  if (!mouse->relative_mode || mouse->relative_mode_warp) {
460  SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
461  SDL_SendMouseMotion(data->window, mouseID, 0, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
462  }
463  }
464  /* don't break here, fall through to check the wParam like the button presses */
465  case WM_LBUTTONUP:
466  case WM_RBUTTONUP:
467  case WM_MBUTTONUP:
468  case WM_XBUTTONUP:
469  case WM_LBUTTONDOWN:
470  case WM_LBUTTONDBLCLK:
471  case WM_RBUTTONDOWN:
472  case WM_RBUTTONDBLCLK:
473  case WM_MBUTTONDOWN:
474  case WM_MBUTTONDBLCLK:
475  case WM_XBUTTONDOWN:
476  case WM_XBUTTONDBLCLK:
477  {
478  SDL_Mouse *mouse = SDL_GetMouse();
479  if (!mouse->relative_mode || mouse->relative_mode_warp) {
480  SDL_MouseID mouseID = (((GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH) == MOUSEEVENTF_FROMTOUCH) ? SDL_TOUCH_MOUSEID : 0);
481  WIN_CheckWParamMouseButtons(wParam, data, mouseID);
482  }
483  }
484  break;
485 
486  case WM_INPUT:
487  {
488  SDL_Mouse *mouse = SDL_GetMouse();
489  HRAWINPUT hRawInput = (HRAWINPUT)lParam;
490  RAWINPUT inp;
491  UINT size = sizeof(inp);
492  const SDL_bool isRelative = mouse->relative_mode || mouse->relative_mode_warp;
493  const SDL_bool isCapture = ((data->window->flags & SDL_WINDOW_MOUSE_CAPTURE) != 0);
494 
495  if (!isRelative || mouse->focus != data->window) {
496  if (!isCapture) {
497  break;
498  }
499  }
500 
501  GetRawInputData(hRawInput, RID_INPUT, &inp, &size, sizeof(RAWINPUTHEADER));
502 
503  /* Mouse data */
504  if (inp.header.dwType == RIM_TYPEMOUSE) {
505  if (isRelative) {
506  RAWMOUSE* rawmouse = &inp.data.mouse;
507 
508  if ((rawmouse->usFlags & 0x01) == MOUSE_MOVE_RELATIVE) {
509  SDL_SendMouseMotion(data->window, 0, 1, (int)rawmouse->lLastX, (int)rawmouse->lLastY);
510  } else {
511  /* synthesize relative moves from the abs position */
512  static SDL_Point initialMousePoint;
513  if (initialMousePoint.x == 0 && initialMousePoint.y == 0) {
514  initialMousePoint.x = rawmouse->lLastX;
515  initialMousePoint.y = rawmouse->lLastY;
516  }
517 
518  SDL_SendMouseMotion(data->window, 0, 1, (int)(rawmouse->lLastX-initialMousePoint.x), (int)(rawmouse->lLastY-initialMousePoint.y) );
519 
520  initialMousePoint.x = rawmouse->lLastX;
521  initialMousePoint.y = rawmouse->lLastY;
522  }
523  WIN_CheckRawMouseButtons(rawmouse->usButtonFlags, data);
524  } else if (isCapture) {
525  /* we check for where Windows thinks the system cursor lives in this case, so we don't really lose mouse accel, etc. */
526  POINT pt;
527  GetCursorPos(&pt);
528  if (WindowFromPoint(pt) != hwnd) { /* if in the window, WM_MOUSEMOVE, etc, will cover it. */
529  ScreenToClient(hwnd, &pt);
530  SDL_SendMouseMotion(data->window, 0, 0, (int) pt.x, (int) pt.y);
531  SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_LBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT);
532  SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_RBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT);
533  SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_MBUTTON) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE);
534  SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON1) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X1);
535  SDL_SendMouseButton(data->window, 0, GetAsyncKeyState(VK_XBUTTON2) & 0x8000 ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_X2);
536  }
537  } else {
538  SDL_assert(0 && "Shouldn't happen");
539  }
540  }
541  }
542  break;
543 
544  case WM_MOUSEWHEEL:
545  {
546  static short s_AccumulatedMotion;
547 
548  s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam);
549  if (s_AccumulatedMotion > 0) {
550  while (s_AccumulatedMotion >= WHEEL_DELTA) {
552  s_AccumulatedMotion -= WHEEL_DELTA;
553  }
554  } else {
555  while (s_AccumulatedMotion <= -WHEEL_DELTA) {
557  s_AccumulatedMotion += WHEEL_DELTA;
558  }
559  }
560  }
561  break;
562 
563  case WM_MOUSEHWHEEL:
564  {
565  static short s_AccumulatedMotion;
566 
567  s_AccumulatedMotion += GET_WHEEL_DELTA_WPARAM(wParam);
568  if (s_AccumulatedMotion > 0) {
569  while (s_AccumulatedMotion >= WHEEL_DELTA) {
571  s_AccumulatedMotion -= WHEEL_DELTA;
572  }
573  } else {
574  while (s_AccumulatedMotion <= -WHEEL_DELTA) {
576  s_AccumulatedMotion += WHEEL_DELTA;
577  }
578  }
579  }
580  break;
581 
582 #ifdef WM_MOUSELEAVE
583  case WM_MOUSELEAVE:
584  if (SDL_GetMouseFocus() == data->window && !SDL_GetMouse()->relative_mode && !(data->window->flags & SDL_WINDOW_MOUSE_CAPTURE)) {
585  if (!IsIconic(hwnd)) {
586  POINT cursorPos;
587  GetCursorPos(&cursorPos);
588  ScreenToClient(hwnd, &cursorPos);
589  SDL_SendMouseMotion(data->window, 0, 0, cursorPos.x, cursorPos.y);
590  }
592  }
593  returnCode = 0;
594  break;
595 #endif /* WM_MOUSELEAVE */
596 
597  case WM_KEYDOWN:
598  case WM_SYSKEYDOWN:
599  {
600  SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
601  const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
602 
603  /* Detect relevant keyboard shortcuts */
604  if (keyboardState[SDL_SCANCODE_LALT] == SDL_PRESSED || keyboardState[SDL_SCANCODE_RALT] == SDL_PRESSED) {
605  /* ALT+F4: Close window */
606  if (code == SDL_SCANCODE_F4 && ShouldGenerateWindowCloseOnAltF4()) {
608  }
609  }
610 
611  if (code != SDL_SCANCODE_UNKNOWN) {
613  }
614  }
615 
616  returnCode = 0;
617  break;
618 
619  case WM_SYSKEYUP:
620  case WM_KEYUP:
621  {
622  SDL_Scancode code = WindowsScanCodeToSDLScanCode(lParam, wParam);
623  const Uint8 *keyboardState = SDL_GetKeyboardState(NULL);
624 
625  if (code != SDL_SCANCODE_UNKNOWN) {
626  if (code == SDL_SCANCODE_PRINTSCREEN &&
627  keyboardState[code] == SDL_RELEASED) {
629  }
631  }
632  }
633  returnCode = 0;
634  break;
635 
636  case WM_UNICHAR:
637  if ( wParam == UNICODE_NOCHAR ) {
638  returnCode = 1;
639  break;
640  }
641  /* otherwise fall through to below */
642  case WM_CHAR:
643  {
644  char text[5];
645  if ( WIN_ConvertUTF32toUTF8( (UINT32)wParam, text ) ) {
646  SDL_SendKeyboardText( text );
647  }
648  }
649  returnCode = 0;
650  break;
651 
652 #ifdef WM_INPUTLANGCHANGE
653  case WM_INPUTLANGCHANGE:
654  {
657  }
658  returnCode = 1;
659  break;
660 #endif /* WM_INPUTLANGCHANGE */
661 
662  case WM_NCLBUTTONDOWN:
663  {
664  data->in_title_click = SDL_TRUE;
665  }
666  break;
667 
668  case WM_CAPTURECHANGED:
669  {
670  data->in_title_click = SDL_FALSE;
671 
672  /* The mouse may have been released during a modal loop */
673  WIN_CheckAsyncMouseRelease(data);
674  }
675  break;
676 
677 #ifdef WM_GETMINMAXINFO
678  case WM_GETMINMAXINFO:
679  {
680  MINMAXINFO *info;
681  RECT size;
682  int x, y;
683  int w, h;
684  int min_w, min_h;
685  int max_w, max_h;
686  int style;
687  BOOL menu;
688  BOOL constrain_max_size;
689 
690  if (SDL_IsShapedWindow(data->window))
692 
693  /* If this is an expected size change, allow it */
694  if (data->expected_resize) {
695  break;
696  }
697 
698  /* Get the current position of our window */
699  GetWindowRect(hwnd, &size);
700  x = size.left;
701  y = size.top;
702 
703  /* Calculate current size of our window */
704  SDL_GetWindowSize(data->window, &w, &h);
705  SDL_GetWindowMinimumSize(data->window, &min_w, &min_h);
706  SDL_GetWindowMaximumSize(data->window, &max_w, &max_h);
707 
708  /* Store in min_w and min_h difference between current size and minimal
709  size so we don't need to call AdjustWindowRectEx twice */
710  min_w -= w;
711  min_h -= h;
712  if (max_w && max_h) {
713  max_w -= w;
714  max_h -= h;
715  constrain_max_size = TRUE;
716  } else {
717  constrain_max_size = FALSE;
718  }
719 
720  size.top = 0;
721  size.left = 0;
722  size.bottom = h;
723  size.right = w;
724 
725  style = GetWindowLong(hwnd, GWL_STYLE);
726  /* DJM - according to the docs for GetMenu(), the
727  return value is undefined if hwnd is a child window.
728  Apparently it's too difficult for MS to check
729  inside their function, so I have to do it here.
730  */
731  menu = (style & WS_CHILDWINDOW) ? FALSE : (GetMenu(hwnd) != NULL);
732  AdjustWindowRectEx(&size, style, menu, 0);
733  w = size.right - size.left;
734  h = size.bottom - size.top;
735 
736  /* Fix our size to the current size */
737  info = (MINMAXINFO *) lParam;
739  info->ptMinTrackSize.x = w + min_w;
740  info->ptMinTrackSize.y = h + min_h;
741  if (constrain_max_size) {
742  info->ptMaxTrackSize.x = w + max_w;
743  info->ptMaxTrackSize.y = h + max_h;
744  }
745  } else {
746  info->ptMaxSize.x = w;
747  info->ptMaxSize.y = h;
748  info->ptMaxPosition.x = x;
749  info->ptMaxPosition.y = y;
750  info->ptMinTrackSize.x = w;
751  info->ptMinTrackSize.y = h;
752  info->ptMaxTrackSize.x = w;
753  info->ptMaxTrackSize.y = h;
754  }
755  }
756  returnCode = 0;
757  break;
758 #endif /* WM_GETMINMAXINFO */
759 
760  case WM_WINDOWPOSCHANGING:
761 
762  if (data->expected_resize) {
763  returnCode = 0;
764  }
765  break;
766 
767  case WM_WINDOWPOSCHANGED:
768  {
769  RECT rect;
770  int x, y;
771  int w, h;
772 
773  if (data->initializing || data->in_border_change) {
774  break;
775  }
776 
777  if (!GetClientRect(hwnd, &rect) || IsRectEmpty(&rect)) {
778  break;
779  }
780  ClientToScreen(hwnd, (LPPOINT) & rect);
781  ClientToScreen(hwnd, (LPPOINT) & rect + 1);
782 
784 
785  x = rect.left;
786  y = rect.top;
788 
789  w = rect.right - rect.left;
790  h = rect.bottom - rect.top;
792  h);
793 
794  /* Forces a WM_PAINT event */
795  InvalidateRect(hwnd, NULL, FALSE);
796  }
797  break;
798 
799  case WM_SIZE:
800  {
801  switch (wParam) {
802  case SIZE_MAXIMIZED:
805  break;
806  case SIZE_MINIMIZED:
809  break;
810  default:
813  break;
814  }
815  }
816  break;
817 
818  case WM_SETCURSOR:
819  {
820  Uint16 hittest;
821 
822  hittest = LOWORD(lParam);
823  if (hittest == HTCLIENT) {
824  SetCursor(SDL_cursor);
825  returnCode = TRUE;
827  SetCursor(NULL);
828  returnCode = TRUE;
829  }
830  }
831  break;
832 
833  /* We were occluded, refresh our display */
834  case WM_PAINT:
835  {
836  RECT rect;
837  if (GetUpdateRect(hwnd, &rect, FALSE)) {
838  ValidateRect(hwnd, NULL);
840  0, 0);
841  }
842  }
843  returnCode = 0;
844  break;
845 
846  /* We'll do our own drawing, prevent flicker */
847  case WM_ERASEBKGND:
848  {
849  }
850  return (1);
851 
852  case WM_SYSCOMMAND:
853  {
854  if ((wParam & 0xFFF0) == SC_KEYMENU) {
855  return (0);
856  }
857 
858 #if defined(SC_SCREENSAVE) || defined(SC_MONITORPOWER)
859  /* Don't start the screensaver or blank the monitor in fullscreen apps */
860  if ((wParam & 0xFFF0) == SC_SCREENSAVE ||
861  (wParam & 0xFFF0) == SC_MONITORPOWER) {
862  if (SDL_GetVideoDevice()->suspend_screensaver) {
863  return (0);
864  }
865  }
866 #endif /* System has screensaver support */
867  }
868  break;
869 
870  case WM_CLOSE:
871  {
873  }
874  returnCode = 0;
875  break;
876 
877  case WM_TOUCH:
878  {
879  UINT i, num_inputs = LOWORD(wParam);
880  PTOUCHINPUT inputs = SDL_stack_alloc(TOUCHINPUT, num_inputs);
881  if (data->videodata->GetTouchInputInfo((HTOUCHINPUT)lParam, num_inputs, inputs, sizeof(TOUCHINPUT))) {
882  RECT rect;
883  float x, y;
884 
885  if (!GetClientRect(hwnd, &rect) ||
886  (rect.right == rect.left && rect.bottom == rect.top)) {
887  if (inputs) {
888  SDL_stack_free(inputs);
889  }
890  break;
891  }
892  ClientToScreen(hwnd, (LPPOINT) & rect);
893  ClientToScreen(hwnd, (LPPOINT) & rect + 1);
894  rect.top *= 100;
895  rect.left *= 100;
896  rect.bottom *= 100;
897  rect.right *= 100;
898 
899  for (i = 0; i < num_inputs; ++i) {
900  PTOUCHINPUT input = &inputs[i];
901 
902  const SDL_TouchID touchId = (SDL_TouchID)((size_t)input->hSource);
903  if (SDL_AddTouch(touchId, "") < 0) {
904  continue;
905  }
906 
907  /* Get the normalized coordinates for the window */
908  x = (float)(input->x - rect.left)/(rect.right - rect.left);
909  y = (float)(input->y - rect.top)/(rect.bottom - rect.top);
910 
911  if (input->dwFlags & TOUCHEVENTF_DOWN) {
912  SDL_SendTouch(touchId, input->dwID, SDL_TRUE, x, y, 1.0f);
913  }
914  if (input->dwFlags & TOUCHEVENTF_MOVE) {
915  SDL_SendTouchMotion(touchId, input->dwID, x, y, 1.0f);
916  }
917  if (input->dwFlags & TOUCHEVENTF_UP) {
918  SDL_SendTouch(touchId, input->dwID, SDL_FALSE, x, y, 1.0f);
919  }
920  }
921  }
922  SDL_stack_free(inputs);
923 
924  data->videodata->CloseTouchInputHandle((HTOUCHINPUT)lParam);
925  return 0;
926  }
927  break;
928 
929  case WM_DROPFILES:
930  {
931  UINT i;
932  HDROP drop = (HDROP) wParam;
933  UINT count = DragQueryFile(drop, 0xFFFFFFFF, NULL, 0);
934  for (i = 0; i < count; ++i) {
935  UINT size = DragQueryFile(drop, i, NULL, 0) + 1;
936  LPTSTR buffer = SDL_stack_alloc(TCHAR, size);
937  if (buffer) {
938  if (DragQueryFile(drop, i, buffer, size)) {
939  char *file = WIN_StringToUTF8(buffer);
940  SDL_SendDropFile(data->window, file);
941  SDL_free(file);
942  }
943  SDL_stack_free(buffer);
944  }
945  }
947  DragFinish(drop);
948  return 0;
949  }
950  break;
951 
952  case WM_NCHITTEST:
953  {
954  SDL_Window *window = data->window;
955  if (window->hit_test) {
956  POINT winpoint = { (int) LOWORD(lParam), (int) HIWORD(lParam) };
957  if (ScreenToClient(hwnd, &winpoint)) {
958  const SDL_Point point = { (int) winpoint.x, (int) winpoint.y };
959  const SDL_HitTestResult rc = window->hit_test(window, &point, window->hit_test_data);
960  switch (rc) {
961  #define POST_HIT_TEST(ret) { SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_HIT_TEST, 0, 0); return ret; }
962  case SDL_HITTEST_DRAGGABLE: POST_HIT_TEST(HTCAPTION);
963  case SDL_HITTEST_RESIZE_TOPLEFT: POST_HIT_TEST(HTTOPLEFT);
964  case SDL_HITTEST_RESIZE_TOP: POST_HIT_TEST(HTTOP);
965  case SDL_HITTEST_RESIZE_TOPRIGHT: POST_HIT_TEST(HTTOPRIGHT);
966  case SDL_HITTEST_RESIZE_RIGHT: POST_HIT_TEST(HTRIGHT);
967  case SDL_HITTEST_RESIZE_BOTTOMRIGHT: POST_HIT_TEST(HTBOTTOMRIGHT);
968  case SDL_HITTEST_RESIZE_BOTTOM: POST_HIT_TEST(HTBOTTOM);
969  case SDL_HITTEST_RESIZE_BOTTOMLEFT: POST_HIT_TEST(HTBOTTOMLEFT);
970  case SDL_HITTEST_RESIZE_LEFT: POST_HIT_TEST(HTLEFT);
971  #undef POST_HIT_TEST
972  case SDL_HITTEST_NORMAL: return HTCLIENT;
973  }
974  }
975  /* If we didn't return, this will call DefWindowProc below. */
976  }
977  }
978  break;
979 
980  }
981 
982  /* If there's a window proc, assume it's going to handle messages */
983  if (data->wndproc) {
984  return CallWindowProc(data->wndproc, hwnd, msg, wParam, lParam);
985  } else if (returnCode >= 0) {
986  return returnCode;
987  } else {
988  return CallWindowProc(DefWindowProc, hwnd, msg, wParam, lParam);
989  }
990 }
991 
992 /* A message hook called before TranslateMessage() */
993 static SDL_WindowsMessageHook g_WindowsMessageHook = NULL;
994 static void *g_WindowsMessageHookData = NULL;
995 
997 {
998  g_WindowsMessageHook = callback;
999  g_WindowsMessageHookData = userdata;
1000 }
1001 
1002 void
1004 {
1005  const Uint8 *keystate;
1006  MSG msg;
1007  DWORD start_ticks = GetTickCount();
1008 
1010  while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
1011  if (g_WindowsMessageHook) {
1012  g_WindowsMessageHook(g_WindowsMessageHookData, msg.hwnd, msg.message, msg.wParam, msg.lParam);
1013  }
1014 
1015  /* Always translate the message in case it's a non-SDL window (e.g. with Qt integration) */
1016  TranslateMessage(&msg);
1017  DispatchMessage(&msg);
1018 
1019  /* Make sure we don't busy loop here forever if there are lots of events coming in */
1020  if (SDL_TICKS_PASSED(msg.time, start_ticks)) {
1021  break;
1022  }
1023  }
1024  }
1025 
1026  /* Windows loses a shift KEYUP event when you have both pressed at once and let go of one.
1027  You won't get a KEYUP until both are released, and that keyup will only be for the second
1028  key you released. Take heroic measures and check the keystate as of the last handled event,
1029  and if we think a key is pressed when Windows doesn't, unstick it in SDL's state. */
1030  keystate = SDL_GetKeyboardState(NULL);
1031  if ((keystate[SDL_SCANCODE_LSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_LSHIFT) & 0x8000)) {
1033  }
1034  if ((keystate[SDL_SCANCODE_RSHIFT] == SDL_PRESSED) && !(GetKeyState(VK_RSHIFT) & 0x8000)) {
1036  }
1037 }
1038 
1039 static int app_registered = 0;
1040 LPTSTR SDL_Appname = NULL;
1041 Uint32 SDL_Appstyle = 0;
1042 HINSTANCE SDL_Instance = NULL;
1043 
1044 /* Register the class for this application */
1045 int
1046 SDL_RegisterApp(char *name, Uint32 style, void *hInst)
1047 {
1048  WNDCLASSEX wcex;
1049  TCHAR path[MAX_PATH];
1050 
1051  /* Only do this once... */
1052  if (app_registered) {
1053  ++app_registered;
1054  return (0);
1055  }
1056  if (!name && !SDL_Appname) {
1057  name = "SDL_app";
1058 #if defined(CS_BYTEALIGNCLIENT) || defined(CS_OWNDC)
1059  SDL_Appstyle = (CS_BYTEALIGNCLIENT | CS_OWNDC);
1060 #endif
1061  SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
1062  }
1063 
1064  if (name) {
1065  SDL_Appname = WIN_UTF8ToString(name);
1066  SDL_Appstyle = style;
1067  SDL_Instance = hInst ? hInst : GetModuleHandle(NULL);
1068  }
1069 
1070  /* Register the application class */
1071  wcex.cbSize = sizeof(WNDCLASSEX);
1072  wcex.hCursor = NULL;
1073  wcex.hIcon = NULL;
1074  wcex.hIconSm = NULL;
1075  wcex.lpszMenuName = NULL;
1076  wcex.lpszClassName = SDL_Appname;
1077  wcex.style = SDL_Appstyle;
1078  wcex.hbrBackground = NULL;
1079  wcex.lpfnWndProc = WIN_WindowProc;
1080  wcex.hInstance = SDL_Instance;
1081  wcex.cbClsExtra = 0;
1082  wcex.cbWndExtra = 0;
1083 
1084  /* Use the first icon as a default icon, like in the Explorer */
1085  GetModuleFileName(SDL_Instance, path, MAX_PATH);
1086  ExtractIconEx(path, 0, &wcex.hIcon, &wcex.hIconSm, 1);
1087 
1088  if (!RegisterClassEx(&wcex)) {
1089  return SDL_SetError("Couldn't register application class");
1090  }
1091 
1092  app_registered = 1;
1093  return 0;
1094 }
1095 
1096 /* Unregisters the windowclass registered in SDL_RegisterApp above. */
1097 void
1099 {
1100  WNDCLASSEX wcex;
1101 
1102  /* SDL_RegisterApp might not have been called before */
1103  if (!app_registered) {
1104  return;
1105  }
1106  --app_registered;
1107  if (app_registered == 0) {
1108  /* Check for any registered window classes. */
1109  if (GetClassInfoEx(SDL_Instance, SDL_Appname, &wcex)) {
1110  UnregisterClass(SDL_Appname, SDL_Instance);
1111  if (wcex.hIcon) DestroyIcon(wcex.hIcon);
1112  if (wcex.hIconSm) DestroyIcon(wcex.hIconSm);
1113  }
1114  SDL_free(SDL_Appname);
1115  SDL_Appname = NULL;
1116  }
1117 }
1118 
1119 #endif /* SDL_VIDEO_DRIVER_WINDOWS */
1120 
1121 /* vi: set ts=4 sw=4 expandtab: */
SDL_version version
Definition: SDL_syswm.h:136
HINSTANCE SDL_Instance
#define WIN_UTF8ToString(S)
Definition: SDL_windows.h:46
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:66
SDL_bool g_WindowFrameUsableWhileCursorHidden
#define SDL_IsShapedWindow
SDL_Texture * button
void SDL_SetKeyboardFocus(SDL_Window *window)
Definition: SDL_keyboard.c:612
int Win32_ResizeWindowShape(SDL_Window *window)
#define SDL_BUTTON_RMASK
Definition: SDL_mouse.h:289
void * hit_test_data
Definition: SDL_sysvideo.h:105
GLuint GLsizei const GLchar * message
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1567
SDL_bool relative_mode_warp
Definition: SDL_mouse_c.h:85
SDL_Window * focus
Definition: SDL_mouse_c.h:77
GLuint GLuint GLsizei count
Definition: SDL_opengl.h:1564
SDL_Rect rect
Definition: testrelative.c:27
int SDL_SendDropFile(SDL_Window *window, const char *file)
#define SDL_BUTTON_X2MASK
Definition: SDL_mouse.h:291
static SDL_Window * window
LRESULT CALLBACK WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
#define SDL_BUTTON_RIGHT
Definition: SDL_mouse.h:284
The structure that defines a point.
Definition: SDL_rect.h:48
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1967
void WIN_ResetDeadKeys(void)
#define SDL_GetWindowFlags
int SDL_SendTouch(SDL_TouchID id, SDL_FingerID fingerid, SDL_bool down, float x, float y, float pressure)
Definition: SDL_touch.c:216
SDL_bool expected_resize
#define SDL_ENABLE
Definition: SDL_events.h:722
LPTSTR SDL_Appname
GLuint const GLchar * name
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
SDL_Window * window
#define SDL_BUTTON_X1
Definition: SDL_mouse.h:285
void SDL_SetMouseFocus(SDL_Window *window)
Definition: SDL_mouse.c:103
#define SDL_GetKeyboardFocus
uint32_t Uint32
An unsigned 32-bit integer type.
Definition: SDL_stdinc.h:159
#define SDL_TOUCH_MOUSEID
Definition: SDL_touch.h:53
union SDL_SysWMmsg::@16 msg
GLsizeiptr size
#define TOUCHEVENTF_MOVE
SDL_bool g_WindowsEnableMessageLoop
int SDL_SendDropComplete(SDL_Window *window)
int SDL_SendSysWMEvent(SDL_SysWMmsg *message)
Definition: SDL_events.c:637
Uint32 SDL_MouseID
Definition: SDL_mouse_c.h:28
int SDL_SendKeyboardKey(Uint8 state, SDL_Scancode scancode)
Definition: SDL_keyboard.c:661
int SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid, float x, float y, float pressure)
Definition: SDL_touch.c:278
#define SDL_GetHintBoolean
#define SDL_VERSION(x)
Macro to determine SDL version program was compiled against.
Definition: SDL_version.h:79
SDL_HitTestResult
Possible return values from the SDL_HitTest callback.
Definition: SDL_video.h:967
int x
Definition: SDL_rect.h:50
void SDL_UnregisterApp(void)
#define SDL_GetWindowSize
SDL_bool in_border_change
GLenum GLenum GLenum input
#define SDL_GetEventState(type)
Definition: SDL_events.h:735
#define SDL_GetKeyboardState
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1567
int SDL_SendMouseMotion(SDL_Window *window, SDL_MouseID mouseID, int relative, int x, int y)
Definition: SDL_mouse.c:188
#define SDL_BUTTON_LEFT
Definition: SDL_mouse.h:282
int y
Definition: SDL_rect.h:51
#define _THIS
struct SDL_VideoData * videodata
uint8_t Uint8
An unsigned 8-bit integer type.
Definition: SDL_stdinc.h:143
int SDL_SendKeyboardText(const char *text)
Definition: SDL_keyboard.c:774
#define SDL_stack_alloc(type, count)
Definition: SDL_stdinc.h:328
void SDL_free(void *mem)
#define TRUE
Definition: edid-parse.c:33
SDL_bool relative_mode
Definition: SDL_mouse_c.h:84
#define SDL_BUTTON_X1MASK
Definition: SDL_mouse.h:290
void WIN_UpdateClipCursor(SDL_Window *window)
#define WIN_StringToUTF8(S)
Definition: SDL_windows.h:45
Sint64 SDL_TouchID
Definition: SDL_touch.h:41
static Uint32 callback(Uint32 interval, void *param)
Definition: testtimer.c:34
#define SDL_BUTTON_LMASK
Definition: SDL_mouse.h:287
#define SDL_BUTTON_MIDDLE
Definition: SDL_mouse.h:283
#define SDL_GetWindowMinimumSize
int SDL_AddTouch(SDL_TouchID touchID, const char *name)
Definition: SDL_touch.c:130
BOOL(WINAPI *CloseTouchInputHandle)(HTOUCHINPUT)
#define TOUCHEVENTF_DOWN
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
void SDL_ToggleModState(const SDL_Keymod modstate, const SDL_bool toggle)
Definition: SDL_keyboard.c:850
#define SDL_assert(condition)
Definition: SDL_assert.h:167
SDL_SYSWM_TYPE subsystem
Definition: SDL_syswm.h:137
#define NULL
Definition: begin_code.h:143
SDL_bool
Definition: SDL_stdinc.h:130
#define SDL_GetMouseFocus
SDL_HitTest hit_test
Definition: SDL_sysvideo.h:104
void WIN_UpdateKeymap(void)
#define SDL_SetError
static char text[MAX_TEXT_LENGTH]
Definition: testime.c:47
void WIN_PumpEvents(_THIS)
int SDL_SendKeymapChangedEvent(void)
Definition: SDL_events.c:654
static const SDL_Scancode windows_scancode_table[]
The type used to identify a window.
Definition: SDL_sysvideo.h:71
GLuint buffer
uint16_t Uint16
An unsigned 16-bit integer type.
Definition: SDL_stdinc.h:151
void(* SDL_WindowsMessageHook)(void *userdata, void *hWnd, unsigned int message, Uint64 wParam, Sint64 lParam)
Set a function that is called for every windows message, before TranslateMessage() ...
Definition: SDL_system.h:49
SDL_VideoDevice * SDL_GetVideoDevice(void)
Definition: SDL_video.c:571
#define SDL_GetWindowMaximumSize
#define SDL_snprintf
#define SDL_BUTTON(X)
Definition: SDL_mouse.h:281
SDL_bool in_window_deactivation
int SDL_SendMouseWheel(SDL_Window *window, SDL_MouseID mouseID, int x, int y, SDL_MouseWheelDirection direction)
Definition: SDL_mouse.c:420
#define VK_OEM_102
Definition: SDL_vkeys.h:74
GLsizei const GLchar *const * path
GLubyte GLubyte GLubyte GLubyte w
char * wmtab[]
Definition: wmmsg.h:24
void SDL_SetWindowsMessageHook(SDL_WindowsMessageHook callback, void *userdata)
#define SDL_PRESSED
Definition: SDL_events.h:50
#define SDL_stack_free(data)
Definition: SDL_stdinc.h:329
void WIN_CheckClipboardUpdate(struct SDL_VideoData *data)
#define SDL_BUTTON_X2
Definition: SDL_mouse.h:286
#define FALSE
Definition: edid-parse.c:34
Uint32 flags
Definition: SDL_sysvideo.h:81
#define SDL_TICKS_PASSED(A, B)
Compare SDL ticks values, and return true if A has passed B.
Definition: SDL_timer.h:56
HCURSOR SDL_cursor
#define SDL_RELEASED
Definition: SDL_events.h:49
#define SDL_BUTTON_MMASK
Definition: SDL_mouse.h:288
#define SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH
Allow mouse click events when clicking to focus an SDL window.
Definition: SDL_hints.h:255
#define MAX_WMMSG
Definition: wmmsg.h:22
#define TOUCHEVENTF_UP
int SDL_SendMouseButton(SDL_Window *window, SDL_MouseID mouseID, Uint8 state, Uint8 button)
Definition: SDL_mouse.c:414
SDL_Scancode
The SDL keyboard scancode representation.
Definition: SDL_scancode.h:43
#define SDL_GetMouseState
int SDL_RegisterApp(char *name, Uint32 style, void *hInst)
GLfloat GLfloat GLfloat GLfloat h
SDL_bool in_title_click
#define SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4
Tell SDL not to generate window-close events for Alt+F4 on Windows.
Definition: SDL_hints.h:670
SDL_bool IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, struct SDL_VideoData *videodata)
Uint32 SDL_Appstyle