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WinRT: Fixed bug 3210, "alt-tab doesn't work correctly with full-screened, UWP (Win10 Store) apps"

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This commit is contained in:
David Ludwig 2015-12-22 00:58:47 -05:00
parent 8ddcc63ac7
commit 8281cc72ba
1 changed files with 37 additions and 13 deletions
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50
src/video/winrt/SDL_winrtvideo.cpp
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@ -505,6 +505,32 @@ WINRT_UpdateWindowFlags(SDL_Window * window, Uint32 mask)
}
}
static bool
WINRT_IsCoreWindowActive(CoreWindow ^ coreWindow)
{
/* WinRT does not appear to offer API(s) to determine window-activation state,
at least not that I am aware of in Win8 - Win10. As such, SDL tracks this
itself, via window-activation events.
If there *is* an API to track this, it should probably get used instead
of the following hack (that uses "SDLHelperWindowActivationState").
-- DavidL.
*/
if (coreWindow->CustomProperties->HasKey("SDLHelperWindowActivationState")) {
CoreWindowActivationState activationState = \
safe_cast<CoreWindowActivationState>(coreWindow->CustomProperties->Lookup("SDLHelperWindowActivationState"));
return (activationState != CoreWindowActivationState::Deactivated);
}
/* Assume that non-SDL tracked windows are active, although this should
probably be avoided, if possible.
This might not even be possible, in normal SDL use, at least as of
this writing (Dec 22, 2015; via latest hg.libsdl.org/SDL clone) -- DavidL
*/
return true;
}
int
WINRT_CreateWindow(_THIS, SDL_Window * window)
{
@ -645,12 +671,7 @@ WINRT_CreateWindow(_THIS, SDL_Window * window)
);
/* Try detecting if the window is active */
bool isWindowActive = true; /* Presume the window is active, unless we've been told otherwise */
if (data->coreWindow->CustomProperties->HasKey("SDLHelperWindowActivationState")) {
CoreWindowActivationState activationState = \
safe_cast<CoreWindowActivationState>(data->coreWindow->CustomProperties->Lookup("SDLHelperWindowActivationState"));
isWindowActive = (activationState != CoreWindowActivationState::Deactivated);
}
bool isWindowActive = WINRT_IsCoreWindowActive(data->coreWindow.Get());
if (isWindowActive) {
SDL_SetKeyboardFocus(window);
}
@ -681,13 +702,16 @@ WINRT_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display
{
#if NTDDI_VERSION >= NTDDI_WIN10
SDL_WindowData * data = (SDL_WindowData *)window->driverdata;
if (fullscreen) {
if (!data->appView->IsFullScreenMode) {
data->appView->TryEnterFullScreenMode(); // TODO, WinRT: return failure (to caller?) from TryEnterFullScreenMode()
}
} else {
if (data->appView->IsFullScreenMode) {
data->appView->ExitFullScreenMode();
bool isWindowActive = WINRT_IsCoreWindowActive(data->coreWindow.Get());
if (isWindowActive) {
if (fullscreen) {
if (!data->appView->IsFullScreenMode) {
data->appView->TryEnterFullScreenMode(); // TODO, WinRT: return failure (to caller?) from TryEnterFullScreenMode()
}
} else {
if (data->appView->IsFullScreenMode) {
data->appView->ExitFullScreenMode();
}
}
}
#endif