#include "SDLmain_WinRT_common.h"

#include "SDL_WinRTApp.h"

extern "C" {

#include "SDL_assert.h"

#include "SDL_stdinc.h"

#include "../SDL_sysvideo.h"

}

// HACK, DLudwig: The C-style main() will get loaded via the app's

// WinRT-styled main(), which is part of SDLmain_for_WinRT.cpp.

// This seems wrong on some level, but does seem to work.

typedef int (*SDL_WinRT_MainFunction)(int, char **);

static SDL_WinRT_MainFunction SDL_WinRT_main = nullptr;

// HACK, DLudwig: record a reference to the global, Windows RT 'app'/view.

// SDL/WinRT will use this throughout its code.

//

// TODO, WinRT: consider replacing SDL_WinRTGlobalApp with something

// non-global, such as something created inside

// SDL_InitSubSystem(SDL_INIT_VIDEO), or something inside

// SDL_CreateWindow().

SDL_WinRTApp ^ SDL_WinRTGlobalApp = nullptr;

using namespace Windows::ApplicationModel;

using namespace Windows::ApplicationModel::Core;

using namespace Windows::ApplicationModel::Activation;

using namespace Windows::UI::Core;

using namespace Windows::System;

using namespace Windows::Foundation;

using namespace Windows::Graphics::Display;

using namespace concurrency;

SDL_WinRTApp::SDL_WinRTApp() :

m_windowClosed(false),

m_windowVisible(true),

m_sdlWindowData(NULL)

{

}

void SDL_WinRTApp::Initialize(CoreApplicationView^ applicationView)

{

applicationView->Activated +=

ref new TypedEventHandler<CoreApplicationView^, IActivatedEventArgs^>(this, &SDL_WinRTApp::OnActivated);

CoreApplication::Suspending +=

ref new EventHandler<SuspendingEventArgs^>(this, &SDL_WinRTApp::OnSuspending);

CoreApplication::Resuming +=

ref new EventHandler<Platform::Object^>(this, &SDL_WinRTApp::OnResuming);

}

void SDL_WinRTApp::SetWindow(CoreWindow^ window)

{

window->SizeChanged +=

ref new TypedEventHandler<CoreWindow^, WindowSizeChangedEventArgs^>(this, &SDL_WinRTApp::OnWindowSizeChanged);

window->VisibilityChanged +=

ref new TypedEventHandler<CoreWindow^, VisibilityChangedEventArgs^>(this, &SDL_WinRTApp::OnVisibilityChanged);

window->Closed +=

ref new TypedEventHandler<CoreWindow^, CoreWindowEventArgs^>(this, &SDL_WinRTApp::OnWindowClosed);

window->PointerCursor = ref new CoreCursor(CoreCursorType::Arrow, 0);

window->PointerPressed +=

ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerPressed);

window->PointerReleased +=

ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerReleased);

window->PointerMoved +=

ref new TypedEventHandler<CoreWindow^, PointerEventArgs^>(this, &SDL_WinRTApp::OnPointerMoved);

window->KeyDown +=

ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &SDL_WinRTApp::OnKeyDown);

window->KeyUp +=

ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &SDL_WinRTApp::OnKeyUp);

m_renderer->Initialize(CoreWindow::GetForCurrentThread());

}

void SDL_WinRTApp::Load(Platform::String^ entryPoint)

{

}

void SDL_WinRTApp::Run()

{

if (SDL_WinRT_main)

{

// TODO, WinRT: pass the C-style main() a reasonably realistic

// representation of command line arguments.

int argc = 0;

char **argv = NULL;

SDL_WinRT_main(argc, argv);

}

void SDL_WinRTApp::PumpEvents()

{

if (!m_windowClosed)

{

if (m_windowVisible)

{

CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessAllIfPresent);

}

else

{

CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessOneAndAllPending);

}

}

}

void SDL_WinRTApp::UpdateWindowFramebuffer(SDL_Surface * surface, SDL_Rect * rects, int numrects)

{

if (!m_windowClosed && m_windowVisible)

{

m_renderer->Present(); // This call is synchronized to the display frame rate.

}

}

void SDL_WinRTApp::Uninitialize()

{

}

void SDL_WinRTApp::OnWindowSizeChanged(CoreWindow^ sender, WindowSizeChangedEventArgs^ args)

{

m_renderer->UpdateForWindowSizeChange();

}

void SDL_WinRTApp::OnVisibilityChanged(CoreWindow^ sender, VisibilityChangedEventArgs^ args)

{

m_windowVisible = args->Visible;

}

void SDL_WinRTApp::OnWindowClosed(CoreWindow^ sender, CoreWindowEventArgs^ args)

{

m_windowClosed = true;

}

void SDL_WinRTApp::OnPointerPressed(CoreWindow^ sender, PointerEventArgs^ args)

{

if (m_sdlWindowData)

{

SDL_SendMouseButton(m_sdlWindowData->sdlWindow, SDL_PRESSED, SDL_BUTTON_LEFT);

}

}

void SDL_WinRTApp::OnPointerReleased(CoreWindow^ sender, PointerEventArgs^ args)

{

if (m_sdlWindowData)

{

SDL_SendMouseButton(m_sdlWindowData->sdlWindow, SDL_RELEASED, SDL_BUTTON_LEFT);

}

}

// Applies necessary geometric transformations to raw cursor positions:

Point SDL_WinRTApp::TransformCursor(Point rawPosition)

{

if ( ! m_sdlWindowData || ! m_sdlWindowData->sdlWindow ) {

return rawPosition;

}

CoreWindow ^ nativeWindow = CoreWindow::GetForCurrentThread();

Point outputPosition;

outputPosition.X = rawPosition.X * (((float32)m_sdlWindowData->sdlWindow->w) / nativeWindow->Bounds.Width);

outputPosition.Y = rawPosition.Y * (((float32)m_sdlWindowData->sdlWindow->h) / nativeWindow->Bounds.Height);

return outputPosition;

}

void SDL_WinRTApp::OnPointerMoved(CoreWindow^ sender, PointerEventArgs^ args)

{

if (m_sdlWindowData)

{

Point transformedPoint = TransformCursor(args->CurrentPoint->Position);

SDL_SendMouseMotion(m_sdlWindowData->sdlWindow, 0, (int)transformedPoint.X, (int)transformedPoint.Y);

}

static SDL_Scancode WinRT_Keycodes[] = {

SDL_SCANCODE_UNKNOWN, // VirtualKey.None -- 0

SDL_SCANCODE_UNKNOWN, // VirtualKey.LeftButton -- 1

SDL_SCANCODE_UNKNOWN, // VirtualKey.RightButton -- 2

SDL_SCANCODE_CANCEL, // VirtualKey.Cancel -- 3

SDL_SCANCODE_UNKNOWN, // VirtualKey.MiddleButton -- 4

SDL_SCANCODE_UNKNOWN, // VirtualKey.XButton1 -- 5

SDL_SCANCODE_UNKNOWN, // VirtualKey.XButton2 -- 6

SDL_SCANCODE_UNKNOWN, // -- 7

SDL_SCANCODE_UNKNOWN, // VirtualKey.Back -- 8 (maybe SDL_SCANCODE_AC_BACK ?)

SDL_SCANCODE_TAB, // VirtualKey.Tab -- 9

SDL_SCANCODE_UNKNOWN, // -- 10

SDL_SCANCODE_UNKNOWN, // -- 11

SDL_SCANCODE_CLEAR, // VirtualKey.Clear -- 12

SDL_SCANCODE_RETURN, // VirtualKey.Enter -- 13

SDL_SCANCODE_UNKNOWN, // -- 14

SDL_SCANCODE_UNKNOWN, // -- 15

SDL_SCANCODE_LSHIFT, // VirtualKey.Shift -- 16

SDL_SCANCODE_LCTRL, // VirtualKey.Control -- 17

SDL_SCANCODE_MENU, // VirtualKey.Menu -- 18

SDL_SCANCODE_PAUSE, // VirtualKey.Pause -- 19

SDL_SCANCODE_CAPSLOCK, // VirtualKey.CapitalLock -- 20

SDL_SCANCODE_UNKNOWN, // VirtualKey.Kana or VirtualKey.Hangul -- 21

SDL_SCANCODE_UNKNOWN, // -- 22

SDL_SCANCODE_UNKNOWN, // VirtualKey.Junja -- 23

SDL_SCANCODE_UNKNOWN, // VirtualKey.Final -- 24

SDL_SCANCODE_UNKNOWN, // VirtualKey.Hanja or VirtualKey.Kanji -- 25

SDL_SCANCODE_UNKNOWN, // -- 26

SDL_SCANCODE_ESCAPE, // VirtualKey.Escape -- 27

SDL_SCANCODE_UNKNOWN, // VirtualKey.Convert -- 28

SDL_SCANCODE_UNKNOWN, // VirtualKey.NonConvert -- 29

SDL_SCANCODE_UNKNOWN, // VirtualKey.Accept -- 30

SDL_SCANCODE_UNKNOWN, // VirtualKey.ModeChange -- 31 (maybe SDL_SCANCODE_MODE ?)

SDL_SCANCODE_SPACE, // VirtualKey.Space -- 32

SDL_SCANCODE_PAGEUP, // VirtualKey.PageUp -- 33

SDL_SCANCODE_PAGEDOWN, // VirtualKey.PageDown -- 34

SDL_SCANCODE_END, // VirtualKey.End -- 35

SDL_SCANCODE_HOME, // VirtualKey.Home -- 36

SDL_SCANCODE_LEFT, // VirtualKey.Left -- 37

SDL_SCANCODE_UP, // VirtualKey.Up -- 38

SDL_SCANCODE_RIGHT, // VirtualKey.Right -- 39

SDL_SCANCODE_DOWN, // VirtualKey.Down -- 40

SDL_SCANCODE_SELECT, // VirtualKey.Select -- 41

SDL_SCANCODE_UNKNOWN, // VirtualKey.Print -- 42 (maybe SDL_SCANCODE_PRINTSCREEN ?)

SDL_SCANCODE_EXECUTE, // VirtualKey.Execute -- 43

SDL_SCANCODE_UNKNOWN, // VirtualKey.Snapshot -- 44

SDL_SCANCODE_INSERT, // VirtualKey.Insert -- 45

SDL_SCANCODE_DELETE, // VirtualKey.Delete -- 46

SDL_SCANCODE_HELP, // VirtualKey.Help -- 47

SDL_SCANCODE_0, // VirtualKey.Number0 -- 48

SDL_SCANCODE_1, // VirtualKey.Number1 -- 49

SDL_SCANCODE_2, // VirtualKey.Number2 -- 50

SDL_SCANCODE_3, // VirtualKey.Number3 -- 51

SDL_SCANCODE_4, // VirtualKey.Number4 -- 52

SDL_SCANCODE_5, // VirtualKey.Number5 -- 53

SDL_SCANCODE_6, // VirtualKey.Number6 -- 54

SDL_SCANCODE_7, // VirtualKey.Number7 -- 55

SDL_SCANCODE_8, // VirtualKey.Number8 -- 56

SDL_SCANCODE_9, // VirtualKey.Number9 -- 57

SDL_SCANCODE_UNKNOWN, // -- 58

SDL_SCANCODE_UNKNOWN, // -- 59

SDL_SCANCODE_UNKNOWN, // -- 60

SDL_SCANCODE_UNKNOWN, // -- 61

SDL_SCANCODE_UNKNOWN, // -- 62

SDL_SCANCODE_UNKNOWN, // -- 63

SDL_SCANCODE_UNKNOWN, // -- 64

SDL_SCANCODE_A, // VirtualKey.A -- 65

SDL_SCANCODE_B, // VirtualKey.B -- 66

SDL_SCANCODE_C, // VirtualKey.C -- 67

SDL_SCANCODE_D, // VirtualKey.D -- 68

SDL_SCANCODE_E, // VirtualKey.E -- 69

SDL_SCANCODE_F, // VirtualKey.F -- 70

SDL_SCANCODE_G, // VirtualKey.G -- 71

SDL_SCANCODE_H, // VirtualKey.H -- 72

SDL_SCANCODE_I, // VirtualKey.I -- 73

SDL_SCANCODE_J, // VirtualKey.J -- 74

SDL_SCANCODE_K, // VirtualKey.K -- 75

SDL_SCANCODE_L, // VirtualKey.L -- 76

SDL_SCANCODE_M, // VirtualKey.M -- 77

SDL_SCANCODE_N, // VirtualKey.N -- 78

SDL_SCANCODE_O, // VirtualKey.O -- 79

SDL_SCANCODE_P, // VirtualKey.P -- 80

SDL_SCANCODE_Q, // VirtualKey.Q -- 81

SDL_SCANCODE_R, // VirtualKey.R -- 82

SDL_SCANCODE_S, // VirtualKey.S -- 83

SDL_SCANCODE_T, // VirtualKey.T -- 84

SDL_SCANCODE_U, // VirtualKey.U -- 85

SDL_SCANCODE_V, // VirtualKey.V -- 86

SDL_SCANCODE_W, // VirtualKey.W -- 87

SDL_SCANCODE_X, // VirtualKey.X -- 88

SDL_SCANCODE_Y, // VirtualKey.Y -- 89

SDL_SCANCODE_Z, // VirtualKey.Z -- 90

SDL_SCANCODE_UNKNOWN, // VirtualKey.LeftWindows -- 91 (maybe SDL_SCANCODE_APPLICATION or SDL_SCANCODE_LGUI ?)

SDL_SCANCODE_UNKNOWN, // VirtualKey.RightWindows -- 92 (maybe SDL_SCANCODE_APPLICATION or SDL_SCANCODE_RGUI ?)

SDL_SCANCODE_APPLICATION, // VirtualKey.Application -- 93

SDL_SCANCODE_UNKNOWN, // -- 94

SDL_SCANCODE_SLEEP, // VirtualKey.Sleep -- 95

SDL_SCANCODE_KP_0, // VirtualKey.NumberPad0 -- 96

SDL_SCANCODE_KP_1, // VirtualKey.NumberPad1 -- 97

SDL_SCANCODE_KP_2, // VirtualKey.NumberPad2 -- 98

SDL_SCANCODE_KP_3, // VirtualKey.NumberPad3 -- 99

SDL_SCANCODE_KP_4, // VirtualKey.NumberPad4 -- 100

SDL_SCANCODE_KP_5, // VirtualKey.NumberPad5 -- 101

SDL_SCANCODE_KP_6, // VirtualKey.NumberPad6 -- 102

SDL_SCANCODE_KP_7, // VirtualKey.NumberPad7 -- 103

SDL_SCANCODE_KP_8, // VirtualKey.NumberPad8 -- 104

SDL_SCANCODE_KP_9, // VirtualKey.NumberPad9 -- 105

SDL_SCANCODE_KP_MULTIPLY, // VirtualKey.Multiply -- 106

SDL_SCANCODE_KP_PLUS, // VirtualKey.Add -- 107

SDL_SCANCODE_UNKNOWN, // VirtualKey.Separator -- 108

SDL_SCANCODE_KP_MINUS, // VirtualKey.Subtract -- 109

SDL_SCANCODE_UNKNOWN, // VirtualKey.Decimal -- 110 (maybe SDL_SCANCODE_DECIMALSEPARATOR, SDL_SCANCODE_KP_DECIMAL, or SDL_SCANCODE_KP_PERIOD ?)

SDL_SCANCODE_KP_DIVIDE, // VirtualKey.Divide -- 111

SDL_SCANCODE_F1, // VirtualKey.F1 -- 112

SDL_SCANCODE_F2, // VirtualKey.F2 -- 113

SDL_SCANCODE_F3, // VirtualKey.F3 -- 114

SDL_SCANCODE_F4, // VirtualKey.F4 -- 115

SDL_SCANCODE_F5, // VirtualKey.F5 -- 116

SDL_SCANCODE_F6, // VirtualKey.F6 -- 117

SDL_SCANCODE_F7, // VirtualKey.F7 -- 118

SDL_SCANCODE_F8, // VirtualKey.F8 -- 119

SDL_SCANCODE_F9, // VirtualKey.F9 -- 120

SDL_SCANCODE_F10, // VirtualKey.F10 -- 121

SDL_SCANCODE_F11, // VirtualKey.F11 -- 122

SDL_SCANCODE_F12, // VirtualKey.F12 -- 123

SDL_SCANCODE_F13, // VirtualKey.F13 -- 124

SDL_SCANCODE_F14, // VirtualKey.F14 -- 125

SDL_SCANCODE_F15, // VirtualKey.F15 -- 126

SDL_SCANCODE_F16, // VirtualKey.F16 -- 127

SDL_SCANCODE_F17, // VirtualKey.F17 -- 128

SDL_SCANCODE_F18, // VirtualKey.F18 -- 129

SDL_SCANCODE_F19, // VirtualKey.F19 -- 130

SDL_SCANCODE_F20, // VirtualKey.F20 -- 131

SDL_SCANCODE_F21, // VirtualKey.F21 -- 132

SDL_SCANCODE_F22, // VirtualKey.F22 -- 133

SDL_SCANCODE_F23, // VirtualKey.F23 -- 134

SDL_SCANCODE_F24, // VirtualKey.F24 -- 135

SDL_SCANCODE_UNKNOWN, // -- 136

SDL_SCANCODE_UNKNOWN, // -- 137

SDL_SCANCODE_UNKNOWN, // -- 138

SDL_SCANCODE_UNKNOWN, // -- 139

SDL_SCANCODE_UNKNOWN, // -- 140

SDL_SCANCODE_UNKNOWN, // -- 141

SDL_SCANCODE_UNKNOWN, // -- 142

SDL_SCANCODE_UNKNOWN, // -- 143

SDL_SCANCODE_NUMLOCKCLEAR, // VirtualKey.NumberKeyLock -- 144

SDL_SCANCODE_SCROLLLOCK, // VirtualKey.Scroll -- 145

SDL_SCANCODE_UNKNOWN, // -- 146

SDL_SCANCODE_UNKNOWN, // -- 147

SDL_SCANCODE_UNKNOWN, // -- 148

SDL_SCANCODE_UNKNOWN, // -- 149

SDL_SCANCODE_UNKNOWN, // -- 150

SDL_SCANCODE_UNKNOWN, // -- 151

SDL_SCANCODE_UNKNOWN, // -- 152

SDL_SCANCODE_UNKNOWN, // -- 153

SDL_SCANCODE_UNKNOWN, // -- 154

SDL_SCANCODE_UNKNOWN, // -- 155

SDL_SCANCODE_UNKNOWN, // -- 156

SDL_SCANCODE_UNKNOWN, // -- 157

SDL_SCANCODE_UNKNOWN, // -- 158

SDL_SCANCODE_UNKNOWN, // -- 159

SDL_SCANCODE_LSHIFT, // VirtualKey.LeftShift -- 160

SDL_SCANCODE_RSHIFT, // VirtualKey.RightShift -- 161

SDL_SCANCODE_LCTRL, // VirtualKey.LeftControl -- 162

SDL_SCANCODE_RCTRL, // VirtualKey.RightControl -- 163

SDL_SCANCODE_MENU, // VirtualKey.LeftMenu -- 164

SDL_SCANCODE_MENU, // VirtualKey.RightMenu -- 165

};

static SDL_Scancode

TranslateKeycode(int keycode)

{

SDL_Scancode scancode = SDL_SCANCODE_UNKNOWN;

if (keycode < SDL_arraysize(WinRT_Keycodes)) {

scancode = WinRT_Keycodes[keycode];

}

if (scancode == SDL_SCANCODE_UNKNOWN) {

SDL_Log("WinRT TranslateKeycode, unknown keycode=%d\n", (int)keycode);

}

return scancode;

}

void SDL_WinRTApp::OnKeyDown(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args)

{

#if 0

SDL_Log("key down, handled=%s, ext?=%s, released?=%s, menu key down?=%s, repeat count=%d, scan code=%d, was down?=%s, vkey=%d\n",

(args->Handled ? "1" : "0"),

(args->KeyStatus.IsExtendedKey ? "1" : "0"),

(args->KeyStatus.IsKeyReleased ? "1" : "0"),

(args->KeyStatus.IsMenuKeyDown ? "1" : "0"),

args->KeyStatus.RepeatCount,

args->KeyStatus.ScanCode,

(args->KeyStatus.WasKeyDown ? "1" : "0"),

args->VirtualKey);

//args->Handled = true;

//VirtualKey vkey = args->VirtualKey;

#endif

SDL_SendKeyboardKey(SDL_PRESSED, TranslateKeycode((int)args->VirtualKey));

}

void SDL_WinRTApp::OnKeyUp(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args)

{

#if 0

SDL_Log("key up, handled=%s, ext?=%s, released?=%s, menu key down?=%s, repeat count=%d, scan code=%d, was down?=%s, vkey=%d\n",

(args->Handled ? "1" : "0"),

(args->KeyStatus.IsExtendedKey ? "1" : "0"),

(args->KeyStatus.IsKeyReleased ? "1" : "0"),

(args->KeyStatus.IsMenuKeyDown ? "1" : "0"),

args->KeyStatus.RepeatCount,

args->KeyStatus.ScanCode,

(args->KeyStatus.WasKeyDown ? "1" : "0"),

args->VirtualKey);

//args->Handled = true;

#endif

SDL_SendKeyboardKey(SDL_RELEASED, TranslateKeycode((int)args->VirtualKey));

}

void SDL_WinRTApp::OnActivated(CoreApplicationView^ applicationView, IActivatedEventArgs^ args)

{

CoreWindow::GetForCurrentThread()->Activate();

}

void SDL_WinRTApp::OnSuspending(Platform::Object^ sender, SuspendingEventArgs^ args)

{

// Save app state asynchronously after requesting a deferral. Holding a deferral

// indicates that the application is busy performing suspending operations. Be

// aware that a deferral may not be held indefinitely. After about five seconds,

// the app will be forced to exit.

SuspendingDeferral^ deferral = args->SuspendingOperation->GetDeferral();

create_task([this, deferral]()

{

// Insert your code here.

deferral->Complete();

});

}

void SDL_WinRTApp::OnResuming(Platform::Object^ sender, Platform::Object^ args)

{

// Restore any data or state that was unloaded on suspend. By default, data

// and state are persisted when resuming from suspend. Note that this event

// does not occur if the app was previously terminated.

}

SDL_DisplayMode SDL_WinRTApp::GetMainDisplayMode()

{

SDL_DisplayMode mode;

SDL_zero(mode);

mode.format = SDL_PIXELFORMAT_RGB888;

mode.w = (int) CoreWindow::GetForCurrentThread()->Bounds.Width;

mode.h = (int) CoreWindow::GetForCurrentThread()->Bounds.Height;

mode.refresh_rate = 0; // TODO, WinRT: see if refresh rate data is available, or relevant (for WinRT apps)

mode.driverdata = NULL;

return mode;

}

const SDL_WindowData * SDL_WinRTApp::GetSDLWindowData() const

{

return m_sdlWindowData;

}

bool SDL_WinRTApp::HasSDLWindowData() const

{

return (m_sdlWindowData != NULL);

}

void SDL_WinRTApp::SetSDLWindowData(const SDL_WindowData* windowData)

{

m_sdlWindowData = windowData;

}

void SDL_WinRTApp::ResizeMainTexture(int w, int h)

{

m_renderer->ResizeMainTexture(w, h);

}

IFrameworkView^ Direct3DApplicationSource::CreateView()

{

// TODO, WinRT: see if this function (CreateView) can ever get called

// more than once. For now, just prevent it from ever assigning

// SDL_WinRTGlobalApp more than once.

SDL_assert(!SDL_WinRTGlobalApp);

SDL_WinRTApp ^ app = ref new SDL_WinRTApp();

if (!SDL_WinRTGlobalApp)

{

SDL_WinRTGlobalApp = app;

}

return app;

}

SDL_WinRT_main = mainFunction;

auto direct3DApplicationSource = ref new Direct3DApplicationSource();

CoreApplication::Run(direct3DApplicationSource);

return 0;

}