#include <agile.h>
#include <Windows.h>
#include <windows.ui.xaml.media.dxinterop.h>
#include "../../SDL_internal.h"
#include "SDL.h"
#include "../../video/winrt/SDL_winrtevents_c.h"
#include "../../video/winrt/SDL_winrtvideo_cpp.h"
#include "SDL_winrtapp_common.h"
#include "SDL_winrtapp_xaml.h"

Include dependency graph for SDL_winrtapp_xaml.cpp:

Functions
static void	WINRT_OnPointerPressedViaXAML (Platform::Object^sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^args)
static void	WINRT_OnPointerMovedViaXAML (Platform::Object^sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^args)
static void	WINRT_OnPointerReleasedViaXAML (Platform::Object^sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^args)
static void	WINRT_OnPointerWheelChangedViaXAML (Platform::Object^sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^args)
static void	WINRT_OnRenderViaXAML (_In_ Platform::Object^sender, _In_ Platform::Object^args)
int	SDL_WinRTInitXAMLApp (int(mainFunction)(int, char ), void backgroundPanelAsIInspectable)

Variables
SDL_bool	WINRT_XAMLWasEnabled = SDL_FALSE
ISwapChainBackgroundPanelNative *	WINRT_GlobalSwapChainBackgroundPanelNative = NULL
static Windows::Foundation::EventRegistrationToken	WINRT_XAMLAppEventToken

Function Documentation

int SDL_WinRTInitXAMLApp	(	int()(int, char *)	mainFunction,
		void *	backgroundPanelAsIInspectable
	)

Definition at line 102 of file SDL_winrtapp_xaml.cpp.

References SDL_INIT_VIDEO, SDL_InitSubSystem, SDL_SetError, SDL_SetMainReady, SDL_TRUE, WINRT_GlobalSwapChainBackgroundPanelNative, WINRT_OnPointerMovedViaXAML(), WINRT_OnPointerPressedViaXAML(), WINRT_OnPointerReleasedViaXAML(), WINRT_OnPointerWheelChangedViaXAML(), WINRT_OnRenderViaXAML(), WINRT_SDLAppEntryPoint, WINRT_XAMLAppEventToken, and WINRT_XAMLWasEnabled.

Referenced by SDL_WinRTRunApp().

{
#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
    return SDL_SetError("XAML support is not yet available in Windows Phone.");
#else
    // Declare C++/CX namespaces:
    using namespace Platform;
    using namespace Windows::Foundation;
    using namespace Windows::UI::Core;
    using namespace Windows::UI::Xaml;
    using namespace Windows::UI::Xaml::Controls;
    using namespace Windows::UI::Xaml::Input;
    using namespace Windows::UI::Xaml::Media;
    // Make sure we have a valid XAML element (to draw onto):
    if ( ! backgroundPanelAsIInspectable) {
        return SDL_SetError("'backgroundPanelAsIInspectable' can't be NULL");
    }
    Platform::Object ^ backgroundPanel = reinterpret_cast<Object ^>((IInspectable *) backgroundPanelAsIInspectable);
    SwapChainBackgroundPanel ^swapChainBackgroundPanel = dynamic_cast<SwapChainBackgroundPanel ^>(backgroundPanel);
    if ( ! swapChainBackgroundPanel) {
        return SDL_SetError("An unknown or unsupported type of XAML control was specified.");
    }
    // Setup event handlers:
    swapChainBackgroundPanel->PointerPressed += ref new PointerEventHandler(WINRT_OnPointerPressedViaXAML);
    swapChainBackgroundPanel->PointerReleased += ref new PointerEventHandler(WINRT_OnPointerReleasedViaXAML);
    swapChainBackgroundPanel->PointerWheelChanged += ref new PointerEventHandler(WINRT_OnPointerWheelChangedViaXAML);
    swapChainBackgroundPanel->PointerMoved += ref new PointerEventHandler(WINRT_OnPointerMovedViaXAML);
    // Setup for rendering:
    IInspectable *panelInspectable = (IInspectable*) reinterpret_cast<IInspectable*>(swapChainBackgroundPanel);
    panelInspectable->QueryInterface(__uuidof(ISwapChainBackgroundPanelNative), (void **)&WINRT_GlobalSwapChainBackgroundPanelNative);
    WINRT_XAMLAppEventToken = CompositionTarget::Rendering::add(ref new EventHandler<Object^>(WINRT_OnRenderViaXAML));
    // Make sure the app is ready to call the SDL-centric main() function:
    WINRT_SDLAppEntryPoint = mainFunction;
    SDL_SetMainReady();
    // Make sure video-init knows that we're initializing XAML:
    SDL_bool oldXAMLWasEnabledValue = WINRT_XAMLWasEnabled;
    WINRT_XAMLWasEnabled = SDL_TRUE;
    // Make sure video modes are detected now, while we still have access to the WinRT
    // CoreWindow.  WinRT will not allow the app's CoreWindow to be accessed via the
    // SDL/WinRT thread.
    if (SDL_InitSubSystem(SDL_INIT_VIDEO) < 0) {
        // SDL_InitSubSystem will, on error, set the SDL error.  Let that propogate to
        // the caller to here:
        WINRT_XAMLWasEnabled = oldXAMLWasEnabledValue;
        return -1;
    }
    // All done, for now.
    return 0;
#endif // WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP  /  else
}

static void WINRT_OnPointerMovedViaXAML	(	Platform::Object^	sender,
		Windows::UI::Xaml::Input::PointerRoutedEventArgs^	args
	)

static

Definition at line 63 of file SDL_winrtapp_xaml.cpp.

References WINRT_GlobalSDLWindow.

Referenced by SDL_WinRTInitXAMLApp().

{
    WINRT_ProcessPointerMovedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
}

static void WINRT_OnPointerPressedViaXAML	(	Platform::Object^	sender,
		Windows::UI::Xaml::Input::PointerRoutedEventArgs^	args
	)

static

Definition at line 57 of file SDL_winrtapp_xaml.cpp.

References WINRT_GlobalSDLWindow.

Referenced by SDL_WinRTInitXAMLApp().

{
    WINRT_ProcessPointerPressedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
}

static void WINRT_OnPointerReleasedViaXAML	(	Platform::Object^	sender,
		Windows::UI::Xaml::Input::PointerRoutedEventArgs^	args
	)

static

Definition at line 69 of file SDL_winrtapp_xaml.cpp.

References WINRT_GlobalSDLWindow.

Referenced by SDL_WinRTInitXAMLApp().

{
    WINRT_ProcessPointerReleasedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
}

static void WINRT_OnPointerWheelChangedViaXAML	(	Platform::Object^	sender,
		Windows::UI::Xaml::Input::PointerRoutedEventArgs^	args
	)

static

Definition at line 75 of file SDL_winrtapp_xaml.cpp.

References WINRT_GlobalSDLWindow.

Referenced by SDL_WinRTInitXAMLApp().

{
    WINRT_ProcessPointerWheelChangedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
}

static void WINRT_OnRenderViaXAML	(	_In_ Platform::Object^	sender,
		_In_ Platform::Object^	args
	)

static

Definition at line 89 of file SDL_winrtapp_xaml.cpp.

Referenced by SDL_WinRTInitXAMLApp().

{
    WINRT_CycleXAMLThread();
}

Variable Documentation

ISwapChainBackgroundPanelNative* WINRT_GlobalSwapChainBackgroundPanelNative = NULL

Definition at line 46 of file SDL_winrtapp_xaml.cpp.

Referenced by SDL_WinRTInitXAMLApp().

Windows::Foundation::EventRegistrationToken WINRT_XAMLAppEventToken

static

Definition at line 47 of file SDL_winrtapp_xaml.cpp.

Referenced by SDL_WinRTInitXAMLApp().

SDL_bool WINRT_XAMLWasEnabled = SDL_FALSE

Definition at line 42 of file SDL_winrtapp_xaml.cpp.

Referenced by SDL_WinRTInitXAMLApp().

Functions

Variables

Function Documentation

Variable Documentation