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WinRT: added cursor visibility toggling, and system cursor creation

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DavidLudwig committed Dec 4, 2012
1 parent 71432b0 commit a1ce1f11a0f31af5bf17b265bb84af084152cdd7
@@ -141,6 +141,14 @@
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</CompileAsWinRT>
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</CompileAsWinRT>
</ClCompile>
<ClCompile Include="..\..\src\video\windowsrt\SDL_winrtmouse.cpp">
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</CompileAsWinRT>
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">true</CompileAsWinRT>
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</CompileAsWinRT>
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</CompileAsWinRT>
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">true</CompileAsWinRT>
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|x64'">true</CompileAsWinRT>
</ClCompile>
<ClCompile Include="..\..\src\video\windowsrt\SDL_winrtrenderer.cpp">
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</CompileAsWinRT>
<CompileAsWinRT Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</CompileAsWinRT>
@@ -267,6 +275,7 @@
<ClInclude Include="..\..\src\video\windowsrt\SDL_WinRTApp.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDL_winrtevents_c.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDL_winrtframebuffer_c.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDL_winrtmouse.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDL_winrtrenderer.h" />
<ClInclude Include="..\..\src\video\windowsrt\SDL_winrtvideo.h" />
</ItemGroup>
@@ -0,0 +1,146 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/

#include "SDL_config.h"

#if SDL_VIDEO_DRIVER_WINRT

extern "C" {
#include "SDL_assert.h"
#include "../../events/SDL_mouse_c.h"
#include "../SDL_sysvideo.h"
}

#include "SDL_WinRTApp.h"
#include "SDL_winrtmouse.h"

using Windows::UI::Core::CoreCursor;

extern SDL_WinRTApp ^ SDL_WinRTGlobalApp;


static SDL_Cursor *
WINRT_CreateSystemCursor(SDL_SystemCursor id)
{
SDL_Cursor *cursor;
CoreCursorType cursorType = CoreCursorType::Arrow;

switch(id)
{
default:
SDL_assert(0);
return NULL;
case SDL_SYSTEM_CURSOR_ARROW: cursorType = CoreCursorType::Arrow; break;
case SDL_SYSTEM_CURSOR_IBEAM: cursorType = CoreCursorType::IBeam; break;
case SDL_SYSTEM_CURSOR_WAIT: cursorType = CoreCursorType::Wait; break;
case SDL_SYSTEM_CURSOR_CROSSHAIR: cursorType = CoreCursorType::Cross; break;
case SDL_SYSTEM_CURSOR_WAITARROW: cursorType = CoreCursorType::Wait; break;
case SDL_SYSTEM_CURSOR_SIZENWSE: cursorType = CoreCursorType::SizeNorthwestSoutheast; break;
case SDL_SYSTEM_CURSOR_SIZENESW: cursorType = CoreCursorType::SizeNortheastSouthwest; break;
case SDL_SYSTEM_CURSOR_SIZEWE: cursorType = CoreCursorType::SizeWestEast; break;
case SDL_SYSTEM_CURSOR_SIZENS: cursorType = CoreCursorType::SizeNorthSouth; break;
case SDL_SYSTEM_CURSOR_SIZEALL: cursorType = CoreCursorType::SizeAll; break;
case SDL_SYSTEM_CURSOR_NO: cursorType = CoreCursorType::UniversalNo; break;
case SDL_SYSTEM_CURSOR_HAND: cursorType = CoreCursorType::Hand; break;
}

cursor = (SDL_Cursor *) SDL_calloc(1, sizeof(*cursor));
if (cursor) {
/* Create a pointer to a COM reference to a cursor. The extra
pointer is used (on top of the COM reference) to allow the cursor
to be referenced by the SDL_cursor's driverdata field, which is
a void pointer.
*/
CoreCursor ^* theCursor = new CoreCursor^(nullptr);
*theCursor = ref new CoreCursor(cursorType, 0);
cursor->driverdata = (void *) theCursor;
} else {
SDL_OutOfMemory();
}

return cursor;
}

static SDL_Cursor *
WINRT_CreateDefaultCursor()
{
return WINRT_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
}

static void
WINRT_FreeCursor(SDL_Cursor * cursor)
{
if (cursor->driverdata) {
CoreCursor ^* theCursor = (CoreCursor ^*) cursor->driverdata;
*theCursor = nullptr; // Release the COM reference to the CoreCursor
delete theCursor; // Delete the pointer to the COM reference
}
SDL_free(cursor);
}

static int
WINRT_ShowCursor(SDL_Cursor * cursor)
{
if (cursor) {
CoreCursor ^* theCursor = (CoreCursor ^*) cursor->driverdata;
CoreWindow::GetForCurrentThread()->PointerCursor = *theCursor;
} else {
CoreWindow::GetForCurrentThread()->PointerCursor = nullptr;
}
return 0;
}

//static int
//WINRT_SetRelativeMouseMode(SDL_bool enabled)
//{
// //return -1;
// return 0;
//}

void
WINRT_InitMouse(_THIS)
{
SDL_Mouse *mouse = SDL_GetMouse();

/* DLudwig, Dec 3, 2012: Windows RT does not currently provide APIs for
the following features, AFAIK:
- custom cursors (multiple system cursors are, however, available)
- programmatically moveable cursors
*/

//mouse->CreateCursor = WINRT_CreateCursor;
mouse->CreateSystemCursor = WINRT_CreateSystemCursor;
mouse->ShowCursor = WINRT_ShowCursor;
mouse->FreeCursor = WINRT_FreeCursor;
//mouse->WarpMouse = WINRT_WarpMouse;
//mouse->SetRelativeMouseMode = WINRT_SetRelativeMouseMode; // DLudwig: 'relative mouse mode' support is pending

SDL_SetDefaultCursor(WINRT_CreateDefaultCursor());
}

void
WINRT_QuitMouse(_THIS)
{
}

#endif /* SDL_VIDEO_DRIVER_WINRT */

/* vi: set ts=4 sw=4 expandtab: */
@@ -0,0 +1,31 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_config.h"

#ifndef _SDL_windowsmouse_h
#define _SDL_windowsmouse_h

extern void WINRT_InitMouse(_THIS);
extern void WINRT_QuitMouse(_THIS);

#endif /* _SDL_windowsmouse_h */

/* vi: set ts=4 sw=4 expandtab: */
@@ -40,6 +40,7 @@ extern "C" {
#include "SDL_winrtvideo.h"
#include "SDL_winrtevents_c.h"
#include "SDL_winrtframebuffer_c.h"
#include "SDL_winrtmouse.h"

/* On Windows, windows.h defines CreateWindow */
#ifdef CreateWindow
@@ -52,6 +53,7 @@ extern SDL_WinRTApp ^ SDL_WinRTGlobalApp;

/* Initialization/Query functions */
static int WINRT_VideoInit(_THIS);
static int WINRT_InitModes(_THIS);
static int WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
static void WINRT_VideoQuit(_THIS);

@@ -111,15 +113,25 @@ VideoBootStrap WINRT_bootstrap = {

int
WINRT_VideoInit(_THIS)
{
if (WINRT_InitModes(_this) < 0) {
return -1;
}

WINRT_InitMouse(_this);

return 0;
}

static int
WINRT_InitModes(_THIS)
{
SDL_DisplayMode mode = SDL_WinRTGlobalApp->GetMainDisplayMode();
if (SDL_AddBasicVideoDisplay(&mode) < 0) {
return -1;
}

SDL_AddDisplayMode(&_this->displays[0], &mode);

/* We're done! */
}

SDL_AddDisplayMode(&_this->displays[0], &mode);
return 0;
}

@@ -132,6 +144,7 @@ WINRT_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode)
void
WINRT_VideoQuit(_THIS)
{
WINRT_QuitMouse(_this);
}

int

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