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SDL_SetWindowPosition respects display num for SDL_WINDOWPOS_CENTERED_DISPLAY.

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This allows for this kind of code in an application:

int monitorID = 1;  // the second monitor!
SDL_SetWindowPosition(sdlWin,
                      SDL_WINDOWPOS_CENTERED_DISPLAY(monitorID),
                      SDL_WINDOWPOS_CENTERED_DISPLAY(monitorID));

Fixes Bugzilla #2849.
This commit is contained in:
Edward Rudd 2015-02-19 19:40:58 -05:00
parent aefcd86dea
commit 635a369c9d
1 changed files with 4 additions and 3 deletions
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7
src/video/SDL_video.c
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@ -1607,13 +1607,14 @@ SDL_SetWindowPosition(SDL_Window * window, int x, int y)
CHECK_WINDOW_MAGIC(window,); CHECK_WINDOW_MAGIC(window,);
if (SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) { if (SDL_WINDOWPOS_ISCENTERED(x) || SDL_WINDOWPOS_ISCENTERED(y)) {
SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window); int displayIndex = (x & 0xFFFF);
int displayIndex;
SDL_Rect bounds; SDL_Rect bounds;
if (displayIndex > _this->num_displays) {
displayIndex = 0;
}
SDL_zero(bounds); SDL_zero(bounds);
displayIndex = SDL_GetIndexOfDisplay(display);
SDL_GetDisplayBounds(displayIndex, &bounds); SDL_GetDisplayBounds(displayIndex, &bounds);
if (SDL_WINDOWPOS_ISCENTERED(x)) { if (SDL_WINDOWPOS_ISCENTERED(x)) {
x = bounds.x + (bounds.w - window->w) / 2; x = bounds.x + (bounds.w - window->w) / 2;