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Added SDL_GetWindowMouseRect()

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Also guarantee that we won't get mouse movement outside the confining area, even if the OS implementation allows it (e.g. macOS)
This commit is contained in:
Sam Lantinga
2021-11-08 21:34:48 -08:00
parent 4db546b092
commit fd79607eb0
13 changed files with 111 additions and 66 deletions
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47
include/SDL_video.h
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@@ -1381,6 +1381,36 @@ extern DECLSPEC SDL_bool SDLCALL SDL_GetWindowMouseGrab(SDL_Window * window);
*/
extern DECLSPEC SDL_Window * SDLCALL SDL_GetGrabbedWindow(void);
/**
* Confines the cursor to the specified area of a window.
*
* Note that this does NOT grab the cursor, it only defines the area a cursor
* is restricted to when the window has mouse focus.
*
* \param window The window that will be associated with the barrier.
* \param rect A rectangle area in window-relative coordinates. If NULL the
* barrier for the specified window will be destroyed.
*
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \sa SDL_GetWindowMouseRect
* \sa SDL_SetWindowGrab
*/
extern DECLSPEC int SDLCALL SDL_SetWindowMouseRect(SDL_Window * window, const SDL_Rect * rect);
/**
* Get the mouse confinement rectangle of a window.
*
* \param window The window to query
*
* \returns A pointer to the mouse confinement rectangle of a window,
* or NULL if there isn't one.
*
* \sa SDL_SetWindowMouseRect
*/
extern DECLSPEC const SDL_Rect * SDLCALL SDL_GetWindowMouseRect(SDL_Window * window);
/**
* Set the brightness (gamma multiplier) for a given window's display.
*
@@ -1497,23 +1527,6 @@ extern DECLSPEC int SDLCALL SDL_SetWindowModalFor(SDL_Window * modal_window, SDL
*/
extern DECLSPEC int SDLCALL SDL_SetWindowInputFocus(SDL_Window * window);
/**
* Confines the cursor in the specified rect area of a window.
*
* Note that this does NOT grab the cursor, it only defines the area a cursor
* is restricted to when the window has mouse focus.
*
* \param window The window that will be associated with the barrier.
* \param rect A rectangle area in window-relative coordinates. If NULL the
* barrier for the specified window will be destroyed.
*
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \sa SDL_SetWindowGrab
*/
extern DECLSPEC int SDLCALL SDL_SetWindowMouseRect(SDL_Window * window, const SDL_Rect * rect);
/**
* Set the gamma ramp for the display that owns a given window.
*