SDL  2.0
SDL_sysvideo.h File Reference
#include "../SDL_internal.h"
#include "SDL_messagebox.h"
#include "SDL_shape.h"
#include "SDL_thread.h"
+ Include dependency graph for SDL_sysvideo.h:
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Go to the source code of this file.

Data Structures

struct  SDL_WindowShaper
 
struct  SDL_ShapeDriver
 
struct  SDL_WindowUserData
 
struct  SDL_Window
 The type used to identify a window. More...
 
struct  SDL_VideoDisplay
 
struct  SDL_VideoDevice
 
struct  VideoBootStrap
 

Macros

#define FULLSCREEN_VISIBLE(W)
 
#define _THIS   SDL_VideoDevice *_this
 

Functions

SDL_VideoDeviceSDL_GetVideoDevice (void)
 
int SDL_AddBasicVideoDisplay (const SDL_DisplayMode *desktop_mode)
 
int SDL_AddVideoDisplay (const SDL_VideoDisplay *display)
 
SDL_bool SDL_AddDisplayMode (SDL_VideoDisplay *display, const SDL_DisplayMode *mode)
 
SDL_VideoDisplaySDL_GetDisplayForWindow (SDL_Window *window)
 
voidSDL_GetDisplayDriverData (int displayIndex)
 
int SDL_RecreateWindow (SDL_Window *window, Uint32 flags)
 
void SDL_OnWindowShown (SDL_Window *window)
 
void SDL_OnWindowHidden (SDL_Window *window)
 
void SDL_OnWindowResized (SDL_Window *window)
 
void SDL_OnWindowMinimized (SDL_Window *window)
 
void SDL_OnWindowRestored (SDL_Window *window)
 
void SDL_OnWindowEnter (SDL_Window *window)
 
void SDL_OnWindowLeave (SDL_Window *window)
 
void SDL_OnWindowFocusGained (SDL_Window *window)
 
void SDL_OnWindowFocusLost (SDL_Window *window)
 
void SDL_UpdateWindowGrab (SDL_Window *window)
 
SDL_WindowSDL_GetFocusWindow (void)
 
SDL_bool SDL_ShouldAllowTopmost (void)
 
float SDL_ComputeDiagonalDPI (int hpix, int vpix, float hinches, float vinches)
 

Macro Definition Documentation

#define _THIS   SDL_VideoDevice *_this

Definition at line 140 of file SDL_sysvideo.h.

Function Documentation

int SDL_AddBasicVideoDisplay ( const SDL_DisplayMode desktop_mode)

Definition at line 579 of file SDL_video.c.

References SDL_VideoDisplay::current_mode, SDL_VideoDisplay::desktop_mode, SDL_AddVideoDisplay(), and SDL_zero.

580 {
581  SDL_VideoDisplay display;
582 
583  SDL_zero(display);
584  if (desktop_mode) {
585  display.desktop_mode = *desktop_mode;
586  }
587  display.current_mode = display.desktop_mode;
588 
589  return SDL_AddVideoDisplay(&display);
590 }
SDL_DisplayMode current_mode
Definition: SDL_sysvideo.h:127
#define SDL_zero(x)
Definition: SDL_stdinc.h:355
int SDL_AddVideoDisplay(const SDL_VideoDisplay *display)
Definition: SDL_video.c:593
SDL_DisplayMode desktop_mode
Definition: SDL_sysvideo.h:126
SDL_bool SDL_AddDisplayMode ( SDL_VideoDisplay display,
const SDL_DisplayMode mode 
)

Definition at line 709 of file SDL_video.c.

References cmpmodes(), SDL_VideoDisplay::display_modes, i, SDL_VideoDisplay::max_display_modes, SDL_VideoDisplay::num_display_modes, SDL_FALSE, SDL_qsort, SDL_realloc, and SDL_TRUE.

710 {
711  SDL_DisplayMode *modes;
712  int i, nmodes;
713 
714  /* Make sure we don't already have the mode in the list */
715  modes = display->display_modes;
716  nmodes = display->num_display_modes;
717  for (i = 0; i < nmodes; ++i) {
718  if (cmpmodes(mode, &modes[i]) == 0) {
719  return SDL_FALSE;
720  }
721  }
722 
723  /* Go ahead and add the new mode */
724  if (nmodes == display->max_display_modes) {
725  modes =
726  SDL_realloc(modes,
727  (display->max_display_modes + 32) * sizeof(*modes));
728  if (!modes) {
729  return SDL_FALSE;
730  }
731  display->display_modes = modes;
732  display->max_display_modes += 32;
733  }
734  modes[nmodes] = *mode;
735  display->num_display_modes++;
736 
737  /* Re-sort video modes */
738  SDL_qsort(display->display_modes, display->num_display_modes,
739  sizeof(SDL_DisplayMode), cmpmodes);
740 
741  return SDL_TRUE;
742 }
#define SDL_qsort
The structure that defines a display mode.
Definition: SDL_video.h:53
#define SDL_realloc
static int cmpmodes(const void *A, const void *B)
Definition: SDL_video.c:398
SDL_DisplayMode * display_modes
Definition: SDL_sysvideo.h:125
GLenum mode
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:42
int SDL_AddVideoDisplay ( const SDL_VideoDisplay display)

Definition at line 593 of file SDL_video.c.

References _this, SDL_VideoDisplay::device, SDL_VideoDevice::displays, SDL_VideoDisplay::name, SDL_VideoDevice::num_displays, SDL_itoa, SDL_OutOfMemory, SDL_realloc, and SDL_strdup.

Referenced by SDL_AddBasicVideoDisplay().

594 {
595  SDL_VideoDisplay *displays;
596  int index = -1;
597 
598  displays =
600  (_this->num_displays + 1) * sizeof(*displays));
601  if (displays) {
602  index = _this->num_displays++;
603  displays[index] = *display;
604  displays[index].device = _this;
605  _this->displays = displays;
606 
607  if (display->name) {
608  displays[index].name = SDL_strdup(display->name);
609  } else {
610  char name[32];
611 
612  SDL_itoa(index, name, 10);
613  displays[index].name = SDL_strdup(name);
614  }
615  } else {
616  SDL_OutOfMemory();
617  }
618  return index;
619 }
#define SDL_itoa
GLuint const GLchar * name
#define SDL_realloc
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_VideoDevice * device
Definition: SDL_sysvideo.h:131
SDL_VideoDisplay * displays
Definition: SDL_sysvideo.h:280
GLuint index
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
#define SDL_strdup
float SDL_ComputeDiagonalDPI ( int  hpix,
int  vpix,
float  hinches,
float  vinches 
)

Definition at line 3649 of file SDL_video.c.

References SDL_sqrt.

3650 {
3651  float den2 = hinches * hinches + vinches * vinches;
3652  if ( den2 <= 0.0f ) {
3653  return 0.0f;
3654  }
3655 
3656  return (float)(SDL_sqrt((double)hpix * (double)hpix + (double)vpix * (double)vpix) /
3657  SDL_sqrt((double)den2));
3658 }
GLfloat f
#define SDL_sqrt
void* SDL_GetDisplayDriverData ( int  displayIndex)

Definition at line 647 of file SDL_video.c.

References CHECK_DISPLAY_INDEX, SDL_VideoDevice::displays, SDL_VideoDisplay::driverdata, and NULL.

648 {
649  CHECK_DISPLAY_INDEX(displayIndex, NULL);
650 
651  return _this->displays[displayIndex].driverdata;
652 }
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_VideoDisplay * displays
Definition: SDL_sysvideo.h:280
#define NULL
Definition: begin_code.h:143
#define CHECK_DISPLAY_INDEX(displayIndex, retval)
Definition: SDL_video.c:126
SDL_VideoDisplay* SDL_GetDisplayForWindow ( SDL_Window window)

Definition at line 1039 of file SDL_video.c.

References SDL_VideoDevice::displays, NULL, and SDL_GetWindowDisplayIndex().

Referenced by SDL_CreateWindow(), SDL_DestroyWindow(), SDL_GetWindowDisplayMode(), SDL_GetWindowPixelFormat(), SDL_SetWindowDisplayMode(), and SDL_UpdateFullscreenMode().

1040 {
1041  int displayIndex = SDL_GetWindowDisplayIndex(window);
1042  if (displayIndex >= 0) {
1043  return &_this->displays[displayIndex];
1044  } else {
1045  return NULL;
1046  }
1047 }
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_VideoDisplay * displays
Definition: SDL_sysvideo.h:280
#define NULL
Definition: begin_code.h:143
int SDL_GetWindowDisplayIndex(SDL_Window *window)
Get the display index associated with a window.
Definition: SDL_video.c:979
SDL_Window* SDL_GetFocusWindow ( void  )

Definition at line 2403 of file SDL_video.c.

References SDL_Window::flags, SDL_Window::next, NULL, SDL_WINDOW_INPUT_FOCUS, window, and SDL_VideoDevice::windows.

Referenced by SDL_PromptAssertion(), SDL_StartTextInput(), and SDL_StopTextInput().

2404 {
2405  SDL_Window *window;
2406 
2407  if (!_this) {
2408  return NULL;
2409  }
2410  for (window = _this->windows; window; window = window->next) {
2411  if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
2412  return window;
2413  }
2414  }
2415  return NULL;
2416 }
SDL_Window * next
Definition: SDL_sysvideo.h:109
SDL_Window * window
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_Window * windows
Definition: SDL_sysvideo.h:281
#define NULL
Definition: begin_code.h:143
The type used to identify a window.
Definition: SDL_sysvideo.h:71
Uint32 flags
Definition: SDL_sysvideo.h:81
SDL_VideoDevice* SDL_GetVideoDevice ( void  )

Definition at line 573 of file SDL_video.c.

References _this.

Referenced by SDL_CreateShapedWindow(), SDL_GetClipboardText(), SDL_HasClipboardText(), SDL_PumpEvents(), SDL_SetClipboardText(), SDL_SetKeyboardFocus(), and SDL_SetWindowShape().

574 {
575  return _this;
576 }
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
void SDL_OnWindowEnter ( SDL_Window window)

Definition at line 2330 of file SDL_video.c.

References SDL_VideoDevice::OnWindowEnter.

Referenced by SDL_SendWindowEvent().

2331 {
2332  if (_this->OnWindowEnter) {
2333  _this->OnWindowEnter(_this, window);
2334  }
2335 }
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
void(* OnWindowEnter)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:218
void SDL_OnWindowFocusGained ( SDL_Window window)

Definition at line 2343 of file SDL_video.c.

References SDL_Window::gamma, SDL_Window::h, SDL_Mouse::relative_mode, SDL_GetMouse(), SDL_SetMouseFocus(), SDL_UpdateWindowGrab(), SDL_WarpMouseInWindow, SDL_VideoDevice::SetWindowGammaRamp, and SDL_Window::w.

Referenced by SDL_SendWindowEvent().

2344 {
2345  SDL_Mouse *mouse = SDL_GetMouse();
2346 
2347  if (window->gamma && _this->SetWindowGammaRamp) {
2348  _this->SetWindowGammaRamp(_this, window, window->gamma);
2349  }
2350 
2351  if (mouse && mouse->relative_mode) {
2352  SDL_SetMouseFocus(window);
2353  SDL_WarpMouseInWindow(window, window->w/2, window->h/2);
2354  }
2355 
2356  SDL_UpdateWindowGrab(window);
2357 }
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:66
void SDL_SetMouseFocus(SDL_Window *window)
Definition: SDL_mouse.c:103
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_bool relative_mode
Definition: SDL_mouse_c.h:84
void SDL_UpdateWindowGrab(SDL_Window *window)
Definition: SDL_video.c:2227
#define SDL_WarpMouseInWindow
Uint16 * gamma
Definition: SDL_sysvideo.h:90
int(* SetWindowGammaRamp)(_THIS, SDL_Window *window, const Uint16 *ramp)
Definition: SDL_sysvideo.h:211
void SDL_OnWindowFocusLost ( SDL_Window window)

Definition at line 2387 of file SDL_video.c.

References SDL_Window::gamma, SDL_Window::saved_gamma, SDL_MinimizeWindow(), SDL_UpdateWindowGrab(), SDL_VideoDevice::SetWindowGammaRamp, and ShouldMinimizeOnFocusLoss().

Referenced by SDL_SendWindowEvent().

2388 {
2389  if (window->gamma && _this->SetWindowGammaRamp) {
2390  _this->SetWindowGammaRamp(_this, window, window->saved_gamma);
2391  }
2392 
2393  SDL_UpdateWindowGrab(window);
2394 
2395  if (ShouldMinimizeOnFocusLoss(window)) {
2396  SDL_MinimizeWindow(window);
2397  }
2398 }
Uint16 * saved_gamma
Definition: SDL_sysvideo.h:91
void SDL_MinimizeWindow(SDL_Window *window)
Minimize a window to an iconic representation.
Definition: SDL_video.c:1998
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
void SDL_UpdateWindowGrab(SDL_Window *window)
Definition: SDL_video.c:2227
Uint16 * gamma
Definition: SDL_sysvideo.h:90
int(* SetWindowGammaRamp)(_THIS, SDL_Window *window, const Uint16 *ramp)
Definition: SDL_sysvideo.h:211
static SDL_bool ShouldMinimizeOnFocusLoss(SDL_Window *window)
Definition: SDL_video.c:2360
void SDL_OnWindowHidden ( SDL_Window window)

Definition at line 2295 of file SDL_video.c.

References SDL_FALSE, and SDL_UpdateFullscreenMode().

Referenced by SDL_SendWindowEvent().

2296 {
2298 }
static int SDL_UpdateFullscreenMode(SDL_Window *window, SDL_bool fullscreen)
Definition: SDL_video.c:1133
void SDL_OnWindowLeave ( SDL_Window window)

Definition at line 2338 of file SDL_video.c.

Referenced by SDL_SendWindowEvent().

2339 {
2340 }
void SDL_OnWindowMinimized ( SDL_Window window)

Definition at line 2308 of file SDL_video.c.

References SDL_FALSE, and SDL_UpdateFullscreenMode().

Referenced by SDL_SendWindowEvent().

2309 {
2311 }
static int SDL_UpdateFullscreenMode(SDL_Window *window, SDL_bool fullscreen)
Definition: SDL_video.c:1133
void SDL_OnWindowResized ( SDL_Window window)

Definition at line 2301 of file SDL_video.c.

References SDL_Window::h, SDL_FALSE, SDL_SendWindowEvent(), SDL_WINDOWEVENT_SIZE_CHANGED, SDL_Window::surface_valid, and SDL_Window::w.

Referenced by SDL_SendWindowEvent(), SDL_SetWindowSize(), and SDL_UpdateFullscreenMode().

2302 {
2303  window->surface_valid = SDL_FALSE;
2304  SDL_SendWindowEvent(window, SDL_WINDOWEVENT_SIZE_CHANGED, window->w, window->h);
2305 }
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
SDL_bool surface_valid
Definition: SDL_sysvideo.h:94
void SDL_OnWindowRestored ( SDL_Window window)

Definition at line 2314 of file SDL_video.c.

References FULLSCREEN_VISIBLE, SDL_TRUE, and SDL_UpdateFullscreenMode().

Referenced by SDL_OnWindowShown(), and SDL_SendWindowEvent().

2315 {
2316  /*
2317  * FIXME: Is this fine to just remove this, or should it be preserved just
2318  * for the fullscreen case? In principle it seems like just hiding/showing
2319  * windows shouldn't affect the stacking order; maybe the right fix is to
2320  * re-decouple OnWindowShown and OnWindowRestored.
2321  */
2322  /*SDL_RaiseWindow(window);*/
2323 
2324  if (FULLSCREEN_VISIBLE(window)) {
2326  }
2327 }
#define FULLSCREEN_VISIBLE(W)
Definition: SDL_sysvideo.h:111
static int SDL_UpdateFullscreenMode(SDL_Window *window, SDL_bool fullscreen)
Definition: SDL_video.c:1133
void SDL_OnWindowShown ( SDL_Window window)

Definition at line 2289 of file SDL_video.c.

References SDL_OnWindowRestored().

Referenced by SDL_SendWindowEvent().

2290 {
2291  SDL_OnWindowRestored(window);
2292 }
void SDL_OnWindowRestored(SDL_Window *window)
Definition: SDL_video.c:2314
int SDL_RecreateWindow ( SDL_Window window,
Uint32  flags 
)

Definition at line 1469 of file SDL_video.c.

References CREATE_FLAGS, SDL_VideoDevice::CreateWindow, SDL_VideoDevice::DestroyWindow, SDL_VideoDevice::DestroyWindowFramebuffer, SDL_Surface::flags, SDL_Window::flags, SDL_VideoDevice::GL_CreateContext, SDL_Window::hit_test, SDL_Window::icon, SDL_Window::is_destroying, SDL_Window::last_fullscreen_flags, NULL, SDL_DONTFREE, SDL_FALSE, SDL_FinishWindowCreation(), SDL_FreeSurface, SDL_GL_LoadLibrary(), SDL_GL_UnloadLibrary(), SDL_HideWindow(), SDL_SetError, SDL_TRUE, SDL_WINDOW_FOREIGN, SDL_WINDOW_HIDDEN, SDL_WINDOW_OPENGL, SDL_VideoDevice::SetWindowHitTest, SDL_VideoDevice::SetWindowIcon, SDL_VideoDevice::SetWindowTitle, SDL_Window::surface, and SDL_Window::title.

1470 {
1471  SDL_bool loaded_opengl = SDL_FALSE;
1472 
1474  return SDL_SetError("No OpenGL support in video driver");
1475  }
1476 
1477  if (window->flags & SDL_WINDOW_FOREIGN) {
1478  /* Can't destroy and re-create foreign windows, hrm */
1480  } else {
1482  }
1483 
1484  /* Restore video mode, etc. */
1485  SDL_HideWindow(window);
1486 
1487  /* Tear down the old native window */
1488  if (window->surface) {
1489  window->surface->flags &= ~SDL_DONTFREE;
1490  SDL_FreeSurface(window->surface);
1491  window->surface = NULL;
1492  }
1495  }
1497  _this->DestroyWindow(_this, window);
1498  }
1499 
1500  if ((window->flags & SDL_WINDOW_OPENGL) != (flags & SDL_WINDOW_OPENGL)) {
1501  if (flags & SDL_WINDOW_OPENGL) {
1502  if (SDL_GL_LoadLibrary(NULL) < 0) {
1503  return -1;
1504  }
1505  loaded_opengl = SDL_TRUE;
1506  } else {
1508  }
1509  }
1510 
1511  window->flags = ((flags & CREATE_FLAGS) | SDL_WINDOW_HIDDEN);
1512  window->last_fullscreen_flags = window->flags;
1513  window->is_destroying = SDL_FALSE;
1514 
1515  if (_this->CreateWindow && !(flags & SDL_WINDOW_FOREIGN)) {
1516  if (_this->CreateWindow(_this, window) < 0) {
1517  if (loaded_opengl) {
1519  window->flags &= ~SDL_WINDOW_OPENGL;
1520  }
1521  return -1;
1522  }
1523  }
1524 
1525  if (flags & SDL_WINDOW_FOREIGN) {
1526  window->flags |= SDL_WINDOW_FOREIGN;
1527  }
1528 
1529  if (_this->SetWindowTitle && window->title) {
1530  _this->SetWindowTitle(_this, window);
1531  }
1532 
1533  if (_this->SetWindowIcon && window->icon) {
1534  _this->SetWindowIcon(_this, window, window->icon);
1535  }
1536 
1537  if (window->hit_test) {
1538  _this->SetWindowHitTest(window, SDL_TRUE);
1539  }
1540 
1542 
1543  return 0;
1544 }
int(* SetWindowHitTest)(SDL_Window *window, SDL_bool enabled)
Definition: SDL_sysvideo.h:274
int SDL_GL_LoadLibrary(const char *path)
Dynamically load an OpenGL library.
Definition: SDL_video.c:2582
#define SDL_DONTFREE
Definition: SDL_surface.h:55
SDL_bool is_destroying
Definition: SDL_sysvideo.h:97
void SDL_HideWindow(SDL_Window *window)
Hide a window.
Definition: SDL_video.c:1950
Uint32 flags
Definition: SDL_surface.h:71
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_bool
Definition: SDL_stdinc.h:126
#define CREATE_FLAGS
Definition: SDL_video.c:1287
SDL_GLContext(* GL_CreateContext)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:237
#define SDL_FreeSurface
void SDL_GL_UnloadLibrary(void)
Unload the OpenGL library previously loaded by SDL_GL_LoadLibrary().
Definition: SDL_video.c:2633
void(* DestroyWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:214
void(* SetWindowIcon)(_THIS, SDL_Window *window, SDL_Surface *icon)
Definition: SDL_sysvideo.h:198
char * title
Definition: SDL_sysvideo.h:75
void(* DestroyWindowFramebuffer)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:217
#define NULL
Definition: begin_code.h:143
SDL_HitTest hit_test
Definition: SDL_sysvideo.h:101
Uint32 last_fullscreen_flags
Definition: SDL_sysvideo.h:82
#define SDL_SetError
SDL_Surface * icon
Definition: SDL_sysvideo.h:76
int(* CreateWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:195
static void SDL_FinishWindowCreation(SDL_Window *window, Uint32 flags)
Definition: SDL_video.c:1291
GLbitfield flags
void(* SetWindowTitle)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:197
Uint32 flags
Definition: SDL_sysvideo.h:81
SDL_Surface * surface
Definition: SDL_sysvideo.h:93
SDL_bool SDL_ShouldAllowTopmost ( void  )

Definition at line 3619 of file SDL_video.c.

References SDL_FALSE, SDL_GetHint, SDL_HINT_ALLOW_TOPMOST, and SDL_TRUE.

3620 {
3621  const char *hint = SDL_GetHint(SDL_HINT_ALLOW_TOPMOST);
3622  if (hint) {
3623  if (*hint == '0') {
3624  return SDL_FALSE;
3625  } else {
3626  return SDL_TRUE;
3627  }
3628  }
3629  return SDL_TRUE;
3630 }
#define SDL_GetHint
#define SDL_HINT_ALLOW_TOPMOST
If set to "0" then never set the top most bit on a SDL Window, even if the video mode expects it...
Definition: SDL_hints.h:345
void SDL_UpdateWindowGrab ( SDL_Window window)

Definition at line 2227 of file SDL_video.c.

References SDL_Window::flags, SDL_VideoDevice::grabbed_window, NULL, SDL_FALSE, SDL_GetMouse(), SDL_TRUE, SDL_WINDOW_INPUT_FOCUS, SDL_WINDOW_INPUT_GRABBED, SDL_VideoDevice::SetWindowGrab, and window.

Referenced by SDL_OnWindowFocusGained(), SDL_OnWindowFocusLost(), SDL_SetRelativeMouseMode(), and SDL_SetWindowGrab().

2228 {
2229  SDL_Window *grabbed_window;
2230  SDL_bool grabbed;
2231  if ((SDL_GetMouse()->relative_mode || (window->flags & SDL_WINDOW_INPUT_GRABBED)) &&
2232  (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
2233  grabbed = SDL_TRUE;
2234  } else {
2235  grabbed = SDL_FALSE;
2236  }
2237 
2238  grabbed_window = _this->grabbed_window;
2239  if (grabbed) {
2240  if (grabbed_window && (grabbed_window != window)) {
2241  /* stealing a grab from another window! */
2242  grabbed_window->flags &= ~SDL_WINDOW_INPUT_GRABBED;
2243  if (_this->SetWindowGrab) {
2244  _this->SetWindowGrab(_this, grabbed_window, SDL_FALSE);
2245  }
2246  }
2248  } else if (grabbed_window == window) {
2249  _this->grabbed_window = NULL; /* ungrabbing. */
2250  }
2251 
2252  if (_this->SetWindowGrab) {
2253  _this->SetWindowGrab(_this, window, grabbed);
2254  }
2255 }
SDL_Mouse * SDL_GetMouse(void)
Definition: SDL_mouse.c:66
SDL_Window * window
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_bool
Definition: SDL_stdinc.h:126
#define NULL
Definition: begin_code.h:143
The type used to identify a window.
Definition: SDL_sysvideo.h:71
SDL_Window * grabbed_window
Definition: SDL_sysvideo.h:282
Uint32 flags
Definition: SDL_sysvideo.h:81
void(* SetWindowGrab)(_THIS, SDL_Window *window, SDL_bool grabbed)
Definition: SDL_sysvideo.h:213