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Implemented SDL_GetAbsoluteMouseState().

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X11 only for now, but this should be doable on every platform, I think.
This commit is contained in:
Ryan C. Gordon
2014-06-05 00:03:33 -04:00
parent 264eb4bbed
commit b861efde14
7 changed files with 101 additions and 0 deletions
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24
src/events/SDL_mouse.c
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@@ -469,6 +469,30 @@ SDL_GetRelativeMouseState(int *x, int *y)
return mouse->buttonstate;
}
Uint32
SDL_GetAbsoluteMouseState(int *x, int *y)
{
SDL_Mouse *mouse = SDL_GetMouse();
int tmpx, tmpy;
/* make sure these are never NULL for the backend implementations... */
if (!x) {
x = &tmpx;
}
if (!y) {
y = &tmpy;
}
*x = *y = 0;
if (!mouse->GetAbsoluteMouseState) {
SDL_assert(0 && "This should really be implemented for every target.");
return 0;
}
return mouse->GetAbsoluteMouseState(x, y);
}
void
SDL_WarpMouseInWindow(SDL_Window * window, int x, int y)
{

3
src/events/SDL_mouse_c.h
View File

@@ -66,6 +66,9 @@ typedef struct
/* Set mouse capture */
int (*CaptureMouse) (SDL_Window * window);
/* Get absolute mouse coordinates. (x) and (y) are never NULL and set to zero before call. */
Uint32 (*GetAbsoluteMouseState) (int *x, int *y);
/* Data common to all mice */
SDL_MouseID mouseID;
SDL_Window *focus;