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Implemented querying the orientation of displays on Windows

This commit is contained in:
Sam Lantinga 2021-11-10 06:03:01 -08:00
parent 3a31a45028
commit c0f1109bd0
1 changed files with 52 additions and 3 deletions
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55
src/video/windows/SDL_windowsmodes.c
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@ -108,8 +108,50 @@ WIN_UpdateDisplayMode(_THIS, LPCWSTR deviceName, DWORD index, SDL_DisplayMode *
}
}
static SDL_DisplayOrientation
WIN_GetDisplayOrientation(DEVMODE *mode)
{
int width = mode->dmPelsWidth;
int height = mode->dmPelsHeight;
/* Use unrotated width/height to guess orientation */
if (mode->dmDisplayOrientation == DMDO_90 || mode->dmDisplayOrientation == DMDO_270) {
int temp = width;
width = height;
height = temp;
}
if (width >= height) {
switch (mode->dmDisplayOrientation) {
case DMDO_DEFAULT:
return SDL_ORIENTATION_LANDSCAPE;
case DMDO_90:
return SDL_ORIENTATION_PORTRAIT;
case DMDO_180:
return SDL_ORIENTATION_LANDSCAPE_FLIPPED;
case DMDO_270:
return SDL_ORIENTATION_PORTRAIT_FLIPPED;
default:
return SDL_ORIENTATION_UNKNOWN;
}
} else {
switch (mode->dmDisplayOrientation) {
case DMDO_DEFAULT:
return SDL_ORIENTATION_PORTRAIT;
case DMDO_90:
return SDL_ORIENTATION_LANDSCAPE_FLIPPED;
case DMDO_180:
return SDL_ORIENTATION_PORTRAIT_FLIPPED;
case DMDO_270:
return SDL_ORIENTATION_LANDSCAPE;
default:
return SDL_ORIENTATION_UNKNOWN;
}
}
}
static SDL_bool
WIN_GetDisplayMode(_THIS, LPCWSTR deviceName, DWORD index, SDL_DisplayMode * mode)
WIN_GetDisplayMode(_THIS, LPCWSTR deviceName, DWORD index, SDL_DisplayMode * mode, SDL_DisplayOrientation *orientation)
{
SDL_DisplayModeData *data;
DEVMODE devmode;
@ -135,6 +177,11 @@ WIN_GetDisplayMode(_THIS, LPCWSTR deviceName, DWORD index, SDL_DisplayMode * mod
/* Fill in the mode information */
WIN_UpdateDisplayMode(_this, deviceName, index, mode);
if (orientation) {
*orientation = WIN_GetDisplayOrientation(&devmode);
}
return SDL_TRUE;
}
@ -145,13 +192,14 @@ WIN_AddDisplay(_THIS, HMONITOR hMonitor, const MONITORINFOEXW *info, SDL_bool se
SDL_VideoDisplay display;
SDL_DisplayData *displaydata;
SDL_DisplayMode mode;
SDL_DisplayOrientation orientation;
DISPLAY_DEVICEW device;
#ifdef DEBUG_MODES
SDL_Log("Display: %s\n", WIN_StringToUTF8W(info->szDevice));
#endif
if (!WIN_GetDisplayMode(_this, info->szDevice, ENUM_CURRENT_SETTINGS, &mode)) {
if (!WIN_GetDisplayMode(_this, info->szDevice, ENUM_CURRENT_SETTINGS, &mode, &orientation)) {
return SDL_FALSE;
}
@ -183,6 +231,7 @@ WIN_AddDisplay(_THIS, HMONITOR hMonitor, const MONITORINFOEXW *info, SDL_bool se
}
display.desktop_mode = mode;
display.current_mode = mode;
display.orientation = orientation;
display.driverdata = displaydata;
SDL_AddVideoDisplay(&display, send_event);
SDL_free(display.name);
@ -357,7 +406,7 @@ WIN_GetDisplayModes(_THIS, SDL_VideoDisplay * display)
SDL_DisplayMode mode;
for (i = 0;; ++i) {
if (!WIN_GetDisplayMode(_this, data->DeviceName, i, &mode)) {
if (!WIN_GetDisplayMode(_this, data->DeviceName, i, &mode, NULL)) {
break;
}
if (SDL_ISPIXELFORMAT_INDEXED(mode.format)) {