SDL  2.0
SDL_winrtapp_xaml.cpp File Reference
#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:

Go to the source code of this file.

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

◆ SDL_WinRTInitXAMLApp()

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

Definition at line 102 of file SDL_winrtapp_xaml.cpp.

103 {
104 #if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
105  return SDL_SetError("XAML support is not yet available in Windows Phone.");
106 #else
107  // Declare C++/CX namespaces:
108  using namespace Platform;
109  using namespace Windows::Foundation;
110  using namespace Windows::UI::Core;
111  using namespace Windows::UI::Xaml;
112  using namespace Windows::UI::Xaml::Controls;
113  using namespace Windows::UI::Xaml::Input;
114  using namespace Windows::UI::Xaml::Media;
115 
116  // Make sure we have a valid XAML element (to draw onto):
117  if ( ! backgroundPanelAsIInspectable) {
118  return SDL_SetError("'backgroundPanelAsIInspectable' can't be NULL");
119  }
120 
121  Platform::Object ^ backgroundPanel = reinterpret_cast<Object ^>((IInspectable *) backgroundPanelAsIInspectable);
122  SwapChainBackgroundPanel ^swapChainBackgroundPanel = dynamic_cast<SwapChainBackgroundPanel ^>(backgroundPanel);
123  if ( ! swapChainBackgroundPanel) {
124  return SDL_SetError("An unknown or unsupported type of XAML control was specified.");
125  }
126 
127  // Setup event handlers:
128  swapChainBackgroundPanel->PointerPressed += ref new PointerEventHandler(WINRT_OnPointerPressedViaXAML);
129  swapChainBackgroundPanel->PointerReleased += ref new PointerEventHandler(WINRT_OnPointerReleasedViaXAML);
130  swapChainBackgroundPanel->PointerWheelChanged += ref new PointerEventHandler(WINRT_OnPointerWheelChangedViaXAML);
131  swapChainBackgroundPanel->PointerMoved += ref new PointerEventHandler(WINRT_OnPointerMovedViaXAML);
132 
133  // Setup for rendering:
134  IInspectable *panelInspectable = (IInspectable*) reinterpret_cast<IInspectable*>(swapChainBackgroundPanel);
135  panelInspectable->QueryInterface(__uuidof(ISwapChainBackgroundPanelNative), (void **)&WINRT_GlobalSwapChainBackgroundPanelNative);
136 
138 
139  // Make sure the app is ready to call the SDL-centric main() function:
140  WINRT_SDLAppEntryPoint = mainFunction;
142 
143  // Make sure video-init knows that we're initializing XAML:
144  SDL_bool oldXAMLWasEnabledValue = WINRT_XAMLWasEnabled;
146 
147  // Make sure video modes are detected now, while we still have access to the WinRT
148  // CoreWindow. WinRT will not allow the app's CoreWindow to be accessed via the
149  // SDL/WinRT thread.
151  // SDL_InitSubSystem will, on error, set the SDL error. Let that propogate to
152  // the caller to here:
153  WINRT_XAMLWasEnabled = oldXAMLWasEnabledValue;
154  return -1;
155  }
156 
157  // All done, for now.
158  return 0;
159 #endif // WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP / else
160 }

References add, 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().

◆ WINRT_OnPointerMovedViaXAML()

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

Definition at line 63 of file SDL_winrtapp_xaml.cpp.

64 {
65  WINRT_ProcessPointerMovedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
66 }

References WINRT_GlobalSDLWindow.

Referenced by SDL_WinRTInitXAMLApp().

◆ WINRT_OnPointerPressedViaXAML()

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

Definition at line 57 of file SDL_winrtapp_xaml.cpp.

58 {
59  WINRT_ProcessPointerPressedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
60 }

References WINRT_GlobalSDLWindow.

Referenced by SDL_WinRTInitXAMLApp().

◆ WINRT_OnPointerReleasedViaXAML()

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

Definition at line 69 of file SDL_winrtapp_xaml.cpp.

70 {
71  WINRT_ProcessPointerReleasedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
72 }

References WINRT_GlobalSDLWindow.

Referenced by SDL_WinRTInitXAMLApp().

◆ WINRT_OnPointerWheelChangedViaXAML()

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

Definition at line 75 of file SDL_winrtapp_xaml.cpp.

76 {
77  WINRT_ProcessPointerWheelChangedEvent(WINRT_GlobalSDLWindow, args->GetCurrentPoint(nullptr));
78 }

References WINRT_GlobalSDLWindow.

Referenced by SDL_WinRTInitXAMLApp().

◆ WINRT_OnRenderViaXAML()

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

Definition at line 89 of file SDL_winrtapp_xaml.cpp.

90 {
91  WINRT_CycleXAMLThread();
92 }

Referenced by SDL_WinRTInitXAMLApp().

Variable Documentation

◆ WINRT_GlobalSwapChainBackgroundPanelNative

ISwapChainBackgroundPanelNative* WINRT_GlobalSwapChainBackgroundPanelNative = NULL

Definition at line 46 of file SDL_winrtapp_xaml.cpp.

Referenced by SDL_WinRTInitXAMLApp().

◆ WINRT_XAMLAppEventToken

Windows::Foundation::EventRegistrationToken WINRT_XAMLAppEventToken
static

Definition at line 47 of file SDL_winrtapp_xaml.cpp.

Referenced by SDL_WinRTInitXAMLApp().

◆ WINRT_XAMLWasEnabled

SDL_bool WINRT_XAMLWasEnabled = SDL_FALSE

Definition at line 42 of file SDL_winrtapp_xaml.cpp.

Referenced by SDL_WinRTInitXAMLApp().

SDL_SetMainReady
#define SDL_SetMainReady
Definition: SDL_dynapi_overrides.h:242
WINRT_OnPointerPressedViaXAML
static void WINRT_OnPointerPressedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
Definition: SDL_winrtapp_xaml.cpp:57
WINRT_OnPointerReleasedViaXAML
static void WINRT_OnPointerReleasedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
Definition: SDL_winrtapp_xaml.cpp:69
WINRT_OnPointerWheelChangedViaXAML
static void WINRT_OnPointerWheelChangedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
Definition: SDL_winrtapp_xaml.cpp:75
SDL_InitSubSystem
#define SDL_InitSubSystem
Definition: SDL_dynapi_overrides.h:55
add
set set set set set set set set set set set set set set set set set set set set *set set set macro pixldst op &r &cond WK op &r &cond WK op &r &cond WK else op &m &cond &ia op &r &cond WK else op &m &cond &ia elseif elseif else error unsupported base if elseif elseif else error unsupported unaligned pixldst unaligned endm macro pixst base base else pixldst base endif endm macro PF base if bpp PF set rept prefetch_distance PF set OFFSET endr endif endm macro preload_leading_step2 base if bpp ifc DST PF PF else if bpp lsl PF PF lsl PF PF lsl PF PF PF else PF lsl PF add
Definition: pixman-arm-simd-asm.h:215
ref
GLenum GLint ref
Definition: SDL_opengl_glext.h:660
WINRT_GlobalSDLWindow
SDL_Window * WINRT_GlobalSDLWindow
WINRT_SDLAppEntryPoint
int(* WINRT_SDLAppEntryPoint)(int, char **)
Definition: SDL_winrtapp_common.cpp:30
SDL_TRUE
@ SDL_TRUE
Definition: SDL_stdinc.h:164
WINRT_XAMLWasEnabled
SDL_bool WINRT_XAMLWasEnabled
Definition: SDL_winrtapp_xaml.cpp:42
WINRT_XAMLAppEventToken
static Windows::Foundation::EventRegistrationToken WINRT_XAMLAppEventToken
Definition: SDL_winrtapp_xaml.cpp:47
WINRT_OnPointerMovedViaXAML
static void WINRT_OnPointerMovedViaXAML(Platform::Object^ sender, Windows::UI::Xaml::Input::PointerRoutedEventArgs^ args)
Definition: SDL_winrtapp_xaml.cpp:63
SDL_INIT_VIDEO
#define SDL_INIT_VIDEO
Definition: SDL.h:80
WINRT_OnRenderViaXAML
static void WINRT_OnRenderViaXAML(_In_ Platform::Object^ sender, _In_ Platform::Object^ args)
Definition: SDL_winrtapp_xaml.cpp:89
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:30
WINRT_GlobalSwapChainBackgroundPanelNative
ISwapChainBackgroundPanelNative * WINRT_GlobalSwapChainBackgroundPanelNative
Definition: SDL_winrtapp_xaml.cpp:46
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:162