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This commit is contained in:
Ryan C. Gordon 2014-06-25 17:20:22 -04:00
parent 84cb232067
commit 4318910e02
1 changed files with 35 additions and 0 deletions
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35
src/events/SDL_mouse.c
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@ -614,6 +614,41 @@ SDL_GetRelativeMouseMode()
return mouse->relative_mode;
}
int
SDL_CaptureMouse(SDL_bool enabled)
{
SDL_Mouse *mouse = SDL_GetMouse();
SDL_Window *focusWindow;
SDL_bool isCaptured;
if (!mouse->CaptureMouse) {
return SDL_Unsupported();
}
focusWindow = SDL_GetKeyboardFocus();
isCaptured = focusWindow && (focusWindow->flags & SDL_WINDOW_MOUSE_CAPTURE);
if (isCaptured == enabled) {
return 0; /* already done! */
}
if (enabled) {
if (!focusWindow) {
return SDL_SetError("No window has focus");
} else if (mouse->CaptureMouse(focusWindow) == -1) {
return -1; /* CaptureMouse() should call SetError */
}
focusWindow->flags |= SDL_WINDOW_MOUSE_CAPTURE;
} else {
if (mouse->CaptureMouse(NULL) == -1) {
return -1; /* CaptureMouse() should call SetError */
}
focusWindow->flags &= ~SDL_WINDOW_MOUSE_CAPTURE;
}
return 0;
}
SDL_Cursor *
SDL_CreateCursor(const Uint8 * data, const Uint8 * mask,
int w, int h, int hot_x, int hot_y)