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Added SDL_GetCurrentVideoDisplay()

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slouken committed Aug 2, 2006
1 parent a1211c9 commit 6313c5597ade08e6f35d5e83a03cbd4bb3671ea1
Showing with 29 additions and 10 deletions.
  1. +14 −3 include/SDL_video.h
  2. +15 −7 src/video/SDL_video.c
@@ -403,14 +403,25 @@ extern DECLSPEC int SDLCALL SDL_GetNumVideoDisplays(void);
*
* \brief Set the index of the currently selected display.
*
* \return The index of the currently selected display.
*
* \note You can query the currently selected display by passing an index of -1.
* \return 0 on success, or -1 if the index is out of range.
*
* \sa SDL_GetNumVideoDisplays()
* \sa SDL_GetCurrentVideoDisplay()
*/
extern DECLSPEC int SDLCALL SDL_SelectVideoDisplay(int index);

/**
* \fn int SDL_GetCurrentVideoDisplay(void)
*
* \brief Get the index of the currently selected display.
*
* \return The index of the currently selected display.
*
* \sa SDL_GetNumVideoDisplays()
* \sa SDL_SelectVideoDisplay()
*/
extern DECLSPEC int SDLCALL SDL_GetCurrentVideoDisplay(void);

/**
* \fn int SDL_GetNumDisplayModes(void)
*
@@ -355,13 +355,21 @@ SDL_SelectVideoDisplay(int index)
SDL_UninitializedVideo();
return (-1);
}
if (index >= 0) {
if (index >= _this->num_displays) {
SDL_SetError("index must be in the range 0 - %d",
_this->num_displays - 1);
return -1;
}
_this->current_display = index;
if (index < 0 || index >= _this->num_displays) {
SDL_SetError("index must be in the range 0 - %d",
_this->num_displays - 1);
return -1;
}
_this->current_display = index;
return 0;
}

int
SDL_GetCurrentVideoDisplay(void)
{
if (!_this) {
SDL_UninitializedVideo();
return (-1);
}
return _this->current_display;
}

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