@ -78,142 +78,25 @@ namespace Magnum { namespace Platform {
using namespace Containers : : Literals ;
namespace {
/*
* Fix up the modifiers - - we want > = operator to work properly on Shift ,
* Ctrl , Alt , but SDL generates different event for left / right keys , thus
* ( modifiers > = Shift ) would pass only if both left and right were pressed ,
* which is usually not what the developers wants .
*/
Sdl2Application : : InputEvent : : Modifiers fixedModifiers ( Uint16 mod ) {
Sdl2Application : : InputEvent : : Modifiers modifiers ( static_cast < Sdl2Application : : InputEvent : : Modifier > ( mod ) ) ;
if ( modifiers & Sdl2Application : : InputEvent : : Modifier : : Shift ) modifiers | = Sdl2Application : : InputEvent : : Modifier : : Shift ;
if ( modifiers & Sdl2Application : : InputEvent : : Modifier : : Ctrl ) modifiers | = Sdl2Application : : InputEvent : : Modifier : : Ctrl ;
if ( modifiers & Sdl2Application : : InputEvent : : Modifier : : Alt ) modifiers | = Sdl2Application : : InputEvent : : Modifier : : Alt ;
if ( modifiers & Sdl2Application : : InputEvent : : Modifier : : Super ) modifiers | = Sdl2Application : : InputEvent : : Modifier : : Super ;
return modifiers ;
}
}
enum class Sdl2Application : : Flag : UnsignedByte {
enum class Sdl2ApplicationWindow : : WindowFlag : UnsignedByte {
Redraw = 1 < < 0 ,
VSyncEnabled = 1 < < 1 ,
NoTickEvent = 1 < < 2 ,
NoAnyEvent = 1 < < 3 ,
Exit = 1 < < 4 ,
# ifdef CORRADE_TARGET_EMSCRIPTEN
TextInputActive = 1 < < 5 ,
Resizable = 1 < < 6 ,
# endif
# ifdef CORRADE_TARGET_APPLE
HiDpiWarningPrinted = 1 < < 7
TextInputActive = 1 < < 1 ,
Resizable = 1 < < 2 ,
# endif
} ;
Sdl2Application : : Sdl2Application ( const Arguments & arguments ) : Sdl2Application { arguments , Configuration { } } { }
Sdl2Application : : Sdl2Application ( const Arguments & arguments , const Configuration & configuration ) : Sdl2Application { arguments , NoCreate } {
create ( configuration ) ;
}
# ifdef MAGNUM_TARGET_GL
Sdl2Application : : Sdl2Application ( const Arguments & arguments , const Configuration & configuration , const GLConfiguration & glConfiguration ) : Sdl2Application { arguments , NoCreate } {
create ( configuration , glConfiguration ) ;
}
# endif
Sdl2ApplicationWindow : : Sdl2ApplicationWindow ( Sdl2Application & application , NoCreateT ) : _application { application } , _windowFlags { WindowFlag : : Redraw } { }
Sdl2Application : : Sdl2Application ( const Arguments & arguments , NoCreateT ) :
Sdl2ApplicationWindow : : ~ Sdl2ApplicationWindow ( ) {
/* SDL_DestroyWindow(_window) crashes on windows when _window is nullptr
( it doesn ' t seem to crash on Linux ) */
# ifndef CORRADE_TARGET_EMSCRIPTEN
_minimalLoopPeriod { 0 } ,
# endif
_flags { Flag : : Redraw }
{
Utility : : Arguments args { Implementation : : windowScalingArguments ( ) } ;
# ifdef MAGNUM_TARGET_GL
_context . emplace ( NoCreate , args , arguments . argc , arguments . argv ) ;
# else
/** @todo this is duplicated here, in GlfwApplication and in
EmscriptenApplication , figure out a nice non - duplicated way to handle
this */
args . addOption ( " log " , " default " ) . setHelp ( " log " , " console logging " , " default|quiet|verbose " )
. setFromEnvironment ( " log " )
. parse ( arguments . argc , arguments . argv ) ;
# endif
/* Available since 2.0.4, disables interception of SIGINT and SIGTERM so
it ' s possible to Ctrl - C the application even if exitEvent ( ) doesn ' t set
event . setAccepted ( ) . */
# ifdef SDL_HINT_NO_SIGNAL_HANDLERS
SDL_SetHint ( SDL_HINT_NO_SIGNAL_HANDLERS , " 1 " ) ;
# endif
/* Available since 2.0.6, uses dedicated OpenGL ES drivers if EGL is used,
and desktop GLES context otherwise . */
# if defined(MAGNUM_TARGET_GLES) && defined(MAGNUM_TARGET_EGL) && defined(SDL_HINT_OPENGL_ES_DRIVER)
SDL_SetHint ( SDL_HINT_OPENGL_ES_DRIVER , " 1 " ) ;
# endif
/* Available since 2.0.8, disables compositor bypass on X11, which causes
flickering on KWin as the compositor gets shut down on every startup */
# ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR
SDL_SetHint ( SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR , " 0 " ) ;
# endif
/* By default, SDL behaves like if it was playing a video or whatever,
preventing the computer from turning off the screen or going to sleep .
While it sorta makes sense for games , it ' s useless and annoying for
regular apps . Together with the compositor disabling those two are the
most stupid defaults . */
# ifdef SDL_HINT_VIDEO_ALLOW_SCREENSAVER
SDL_SetHint ( SDL_HINT_VIDEO_ALLOW_SCREENSAVER , " 1 " ) ;
# endif
/* Available since 2.0.12, use EGL if desired */
# if defined(MAGNUM_TARGET_EGL) && defined(SDL_HINT_VIDEO_X11_FORCE_EGL)
SDL_SetHint ( SDL_HINT_VIDEO_X11_FORCE_EGL , " 1 " ) ;
# endif
if ( SDL_Init ( SDL_INIT_VIDEO ) < 0 ) {
Error ( ) < < " Cannot initialize SDL: " < < SDL_GetError ( ) ;
std : : exit ( 1 ) ;
}
/* Save command-line arguments */
if ( args . value ( " log " ) = = " verbose " ) _verboseLog = true ;
const Containers : : StringView dpiScaling = args . value < Containers : : StringView > ( " dpi-scaling " ) ;
if ( dpiScaling = = " default " _s )
_commandLineDpiScalingPolicy = Implementation : : Sdl2DpiScalingPolicy : : Default ;
# ifdef CORRADE_TARGET_APPLE
else if ( dpiScaling = = " framebuffer " _s )
_commandLineDpiScalingPolicy = Implementation : : Sdl2DpiScalingPolicy : : Framebuffer ;
# endif
# ifndef CORRADE_TARGET_APPLE
# if !defined(CORRADE_TARGET_EMSCRIPTEN) && !defined(CORRADE_TARGET_ANDROID)
else if ( dpiScaling = = " virtual " _s )
_commandLineDpiScalingPolicy = Implementation : : Sdl2DpiScalingPolicy : : Virtual ;
# endif
else if ( dpiScaling = = " physical " _s )
_commandLineDpiScalingPolicy = Implementation : : Sdl2DpiScalingPolicy : : Physical ;
if ( _window ) SDL_DestroyWindow ( _window ) ;
# endif
else if ( dpiScaling . containsAny ( " \t \n " _s ) )
_commandLineDpiScaling = args . value < Vector2 > ( " dpi-scaling " ) ;
else
_commandLineDpiScaling = Vector2 { args . value < Float > ( " dpi-scaling " ) } ;
}
void Sdl2Application : : create ( ) {
create ( Configuration { } ) ;
}
void Sdl2Application : : create ( const Configuration & configuration ) {
if ( ! tryCreate ( configuration ) ) std : : exit ( 1 ) ;
}
# ifdef MAGNUM_TARGET_GL
void Sdl2Application : : create ( const Configuration & configuration , const GLConfiguration & glConfiguration ) {
if ( ! tryCreate ( configuration , glConfiguration ) ) std : : exit ( 1 ) ;
}
# endif
Vector2 Sdl2Application : : dpiScaling ( const Configuration & configuration ) {
Vector2 Sdl2ApplicationWindow : : dpiScaling ( const Configuration & configuration ) {
/* Print a helpful warning in case some extra steps are needed for HiDPI
support */
# ifdef CORRADE_TARGET_APPLE
@ -229,18 +112,18 @@ Vector2 Sdl2Application::dpiScaling(const Configuration& configuration) {
return dpiScalingInternal ( configuration . dpiScalingPolicy ( ) , configuration . dpiScaling ( ) ) ;
}
Vector2 Sdl2Application : : dpiScalingInternal ( const Implementation : : Sdl2DpiScalingPolicy configurationDpiScalingPolicy , const Vector2 & configurationDpiScaling ) const {
std : : ostream * verbose = _verboseLog ? Debug : : output ( ) : nullptr ;
Vector2 Sdl2ApplicationWindow : : dpiScalingInternal ( const Implementation : : Sdl2DpiScalingPolicy configurationDpiScalingPolicy , const Vector2 & configurationDpiScaling ) const {
std : : ostream * verbose = _application . _ verboseLog ? Debug : : output ( ) : nullptr ;
/* Use values from the configuration only if not overridden on command line
to something non - default . In any case explicit scaling has a precedence
before the policy . */
Implementation : : Sdl2DpiScalingPolicy dpiScalingPolicy { } ;
if ( ! _commandLineDpiScaling . isZero ( ) ) {
Debug { verbose } < < " Platform::Sdl2Application: user-defined DPI scaling " < < _commandLineDpiScaling ;
return _commandLineDpiScaling ;
} else if ( _commandLineDpiScalingPolicy ! = Implementation : : Sdl2DpiScalingPolicy : : Default ) {
dpiScalingPolicy = _commandLineDpiScalingPolicy ;
if ( ! _application . _ commandLineDpiScaling . isZero ( ) ) {
Debug { verbose } < < " Platform::Sdl2Application: user-defined DPI scaling " < < _application . _ commandLineDpiScaling ;
return _application . _ commandLineDpiScaling ;
} else if ( _application . _ commandLineDpiScalingPolicy ! = Implementation : : Sdl2DpiScalingPolicy : : Default ) {
dpiScalingPolicy = _application . _ commandLineDpiScalingPolicy ;
} else if ( ! configurationDpiScaling . isZero ( ) ) {
Debug { verbose } < < " Platform::Sdl2Application: app-defined DPI scaling " < < configurationDpiScaling ;
return configurationDpiScaling ;
@ -322,72 +205,360 @@ Vector2 Sdl2Application::dpiScalingInternal(const Implementation::Sdl2DpiScaling
# else
Debug { verbose } < < " Platform::Sdl2Application: sorry, physical DPI scaling only available on SDL 2.0.4+ " ;
# endif
return Vector2 { 1.0f } ;
return Vector2 { 1.0f } ;
/* HOWEVER, on Windows it gets the virtual DPI scaling, which we don't
want , so we need to call Windows APIs directly instead . Consistency my
ass . Related bug report that will probably never get actually
implemented : https : //bugzilla.libsdl.org/show_bug.cgi?id=2473 */
# elif defined(CORRADE_TARGET_WINDOWS) && !defined(CORRADE_TARGET_WINDOWS_RT)
HDC hDC = GetWindowDC ( nullptr ) ;
Vector2i monitorSize { GetDeviceCaps ( hDC , HORZSIZE ) , GetDeviceCaps ( hDC , VERTSIZE ) } ;
SDL_DisplayMode mode ;
CORRADE_INTERNAL_ASSERT ( SDL_GetDesktopDisplayMode ( 0 , & mode ) = = 0 ) ;
auto dpi = Vector2 { Vector2i { mode . w , mode . h } * 25.4f / Vector2 { monitorSize } } ;
const Vector2 dpiScaling { dpi / 96.0f } ;
Debug { verbose } < < " Platform::Sdl2Application: physical DPI scaling " < < dpiScaling ;
return dpiScaling ;
/* Not implemented otherwise */
# else
Debug { verbose } < < " Platform::Sdl2Application: sorry, physical DPI scaling not implemented on this platform yet " ;
return Vector2 { 1.0f } ;
# endif
# endif
}
void Sdl2ApplicationWindow : : setWindowTitle ( const Containers : : StringView title ) {
# ifndef CORRADE_TARGET_EMSCRIPTEN
SDL_SetWindowTitle ( _window ,
Containers : : String : : nullTerminatedGlobalView ( title ) . data ( ) ) ;
# else
/* We don't have the _window because SDL_CreateWindow() doesn't exist in
the SDL1 / 2 hybrid . But it ' s not used anyway , so pass nullptr there . */
SDL_SetWindowTitle ( nullptr ,
Containers : : String : : nullTerminatedGlobalView ( title ) . data ( ) ) ;
# endif
}
# if !defined(CORRADE_TARGET_EMSCRIPTEN) && SDL_MAJOR_VERSION*1000 + SDL_MINOR_VERSION*100 + SDL_PATCHLEVEL >= 2005
void Sdl2ApplicationWindow : : setWindowIcon ( const ImageView2D & image ) {
Uint32 format ; /** @todo handle sRGB differently? */
switch ( image . format ( ) ) {
case PixelFormat : : RGB8Srgb :
case PixelFormat : : RGB8Unorm :
format = SDL_PIXELFORMAT_RGB24 ;
break ;
case PixelFormat : : RGBA8Srgb :
case PixelFormat : : RGBA8Unorm :
format = SDL_PIXELFORMAT_RGBA32 ;
break ;
default :
CORRADE_ASSERT_UNREACHABLE ( " Platform::Sdl2ApplicationWindow::setWindowIcon(): unexpected format " < < image . format ( ) , ) ;
}
/* Images are loaded with origin at bottom left, flip it to top left. SDL
only accepted a negative stride until version 2.23 .1 and commit
https : //github.com/libsdl-org/SDL/commit/535fdc3adcdc08a193ab0d45540014fd536cf251
so we need to manually flip the image now */
/** @todo take ImageFlag::YUp into account once it exists */
Image2D flippedImage { PixelStorage { } . setAlignment ( 1 ) , image . format ( ) , image . size ( ) , Containers : : Array < char > { NoInit , std : : size_t ( image . size ( ) . product ( ) * image . pixelSize ( ) ) } } ;
const Containers : : StridedArrayView3D < char > flippedPixels = flippedImage . pixels ( ) ;
Utility : : copy ( image . pixels ( ) . flipped < 0 > ( ) , flippedPixels ) ;
SDL_Surface * const icon = SDL_CreateRGBSurfaceWithFormatFrom ( const_cast < void * > ( flippedPixels . data ( ) ) , flippedImage . size ( ) . x ( ) , flippedImage . size ( ) . y ( ) , 32 , flippedPixels . stride ( ) [ 0 ] , format ) ;
CORRADE_INTERNAL_ASSERT ( icon ) ;
SDL_SetWindowIcon ( _window , icon ) ;
SDL_FreeSurface ( icon ) ;
}
# endif
Vector2i Sdl2ApplicationWindow : : windowSize ( ) const {
Vector2i size ;
# ifndef CORRADE_TARGET_EMSCRIPTEN
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::windowSize(): no window opened " , { } ) ;
SDL_GetWindowSize ( _window , & size . x ( ) , & size . y ( ) ) ;
# else
CORRADE_ASSERT ( _surface , " Platform::Sdl2Application::windowSize(): no window opened " , { } ) ;
emscripten_get_canvas_element_size ( " #canvas " , & size . x ( ) , & size . y ( ) ) ;
# endif
return size ;
}
# ifndef CORRADE_TARGET_EMSCRIPTEN
void Sdl2ApplicationWindow : : setWindowSize ( const Vector2i & size ) {
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::setWindowSize(): no window opened " , ) ;
const Vector2i newSize = dpiScaling ( ) * size ;
SDL_SetWindowSize ( _window , newSize . x ( ) , newSize . y ( ) ) ;
}
void Sdl2ApplicationWindow : : setMinWindowSize ( const Vector2i & size ) {
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::setMinWindowSize(): no window opened " , ) ;
const Vector2i newSize = dpiScaling ( ) * size ;
SDL_SetWindowMinimumSize ( _window , newSize . x ( ) , newSize . y ( ) ) ;
}
void Sdl2ApplicationWindow : : setMaxWindowSize ( const Vector2i & size ) {
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::setMaxWindowSize(): no window opened " , ) ;
const Vector2i newSize = dpiScaling ( ) * size ;
SDL_SetWindowMaximumSize ( _window , newSize . x ( ) , newSize . y ( ) ) ;
}
# endif
# ifdef MAGNUM_TARGET_GL
Vector2i Sdl2ApplicationWindow : : framebufferSize ( ) const {
Vector2i size ;
# ifndef CORRADE_TARGET_EMSCRIPTEN
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::framebufferSize(): no window opened " , { } ) ;
SDL_GL_GetDrawableSize ( _window , & size . x ( ) , & size . y ( ) ) ;
# else
CORRADE_ASSERT ( _surface , " Platform::Sdl2Application::framebufferSize(): no window opened " , { } ) ;
emscripten_get_canvas_element_size ( " #canvas " , & size . x ( ) , & size . y ( ) ) ;
# endif
return size ;
}
# endif
Vector2 Sdl2ApplicationWindow : : dpiScaling ( ) const {
return dpiScalingInternal ( _application . _configurationDpiScalingPolicy , _application . _configurationDpiScaling ) ;
}
void Sdl2ApplicationWindow : : redraw ( ) { _windowFlags | = WindowFlag : : Redraw ; }
namespace {
# ifndef CORRADE_TARGET_EMSCRIPTEN
constexpr SDL_SystemCursor CursorMap [ ] {
SDL_SYSTEM_CURSOR_ARROW ,
SDL_SYSTEM_CURSOR_IBEAM ,
SDL_SYSTEM_CURSOR_WAIT ,
SDL_SYSTEM_CURSOR_CROSSHAIR ,
SDL_SYSTEM_CURSOR_WAITARROW ,
SDL_SYSTEM_CURSOR_SIZENWSE ,
SDL_SYSTEM_CURSOR_SIZENESW ,
SDL_SYSTEM_CURSOR_SIZEWE ,
SDL_SYSTEM_CURSOR_SIZENS ,
SDL_SYSTEM_CURSOR_SIZEALL ,
SDL_SYSTEM_CURSOR_NO ,
SDL_SYSTEM_CURSOR_HAND
} ;
# else
constexpr Containers : : StringView CursorMap [ ] {
" default " _s ,
" text " _s ,
" wait " _s ,
" crosshair " _s ,
" progress " _s ,
" nwse-resize " _s ,
" nesw-resize " _s ,
" ew-resize " _s ,
" ns-resize " _s ,
" move " _s ,
" not-allowed " _s ,
" pointer " _s ,
" none " _s
/* Hidden & locked not supported yet */
} ;
# endif
}
void Sdl2ApplicationWindow : : setCursor ( Cursor cursor ) {
# ifndef CORRADE_TARGET_EMSCRIPTEN
CORRADE_ASSERT ( _window , " Platform::Sdl2ApplicationWindow::setCursor(): no window opened " , ) ;
if ( cursor = = Cursor : : Hidden ) {
SDL_ShowCursor ( SDL_DISABLE ) ;
SDL_SetWindowGrab ( _window , SDL_FALSE ) ;
SDL_SetRelativeMouseMode ( SDL_FALSE ) ;
return ;
} else if ( cursor = = Cursor : : HiddenLocked ) {
SDL_SetWindowGrab ( _window , SDL_TRUE ) ;
SDL_SetRelativeMouseMode ( SDL_TRUE ) ;
return ;
} else {
SDL_ShowCursor ( SDL_ENABLE ) ;
SDL_SetWindowGrab ( _window , SDL_FALSE ) ;
SDL_SetRelativeMouseMode ( SDL_FALSE ) ;
}
/* The second condition could be a static assert but it doesn't let me
because " this pointer only accessible in a constexpr function " . Thanks
for nothing , C + + . */
CORRADE_INTERNAL_ASSERT ( UnsignedInt ( cursor ) < Containers : : arraySize ( _application . _cursors ) & & Containers : : arraySize ( _application . _cursors ) = = Containers : : arraySize ( CursorMap ) ) ;
if ( ! _application . _cursors [ UnsignedInt ( cursor ) ] )
_application . _cursors [ UnsignedInt ( cursor ) ] = SDL_CreateSystemCursor ( CursorMap [ UnsignedInt ( cursor ) ] ) ;
SDL_SetCursor ( _application . _cursors [ UnsignedInt ( cursor ) ] ) ;
# else
CORRADE_ASSERT ( _surface , " Platform::Sdl2Application::setCursor(): no window opened " , ) ;
_cursor = cursor ;
CORRADE_INTERNAL_ASSERT ( UnsignedInt ( cursor ) < Containers : : arraySize ( CursorMap ) ) ;
magnumPlatformSetCursor ( CursorMap [ UnsignedInt ( cursor ) ] . data ( ) ,
CursorMap [ UnsignedInt ( cursor ) ] . size ( ) ) ;
# endif
}
Sdl2Application : : Cursor Sdl2ApplicationWindow : : cursor ( ) {
# ifndef CORRADE_TARGET_EMSCRIPTEN
if ( SDL_GetRelativeMouseMode ( ) )
return Cursor : : HiddenLocked ;
else if ( ! SDL_ShowCursor ( SDL_QUERY ) )
return Cursor : : Hidden ;
SDL_Cursor * cursor = SDL_GetCursor ( ) ;
if ( cursor ) for ( UnsignedInt i = 0 ; i < sizeof ( _application . _cursors ) ; i + + )
if ( _application . _cursors [ i ] = = cursor ) return Cursor ( i ) ;
return Cursor : : Arrow ;
# else
return _cursor ;
# endif
}
void Sdl2ApplicationWindow : : viewportEvent ( ViewportEvent & ) { }
void Sdl2ApplicationWindow : : keyPressEvent ( KeyEvent & ) { }
void Sdl2ApplicationWindow : : keyReleaseEvent ( KeyEvent & ) { }
void Sdl2ApplicationWindow : : mousePressEvent ( MouseEvent & ) { }
void Sdl2ApplicationWindow : : mouseReleaseEvent ( MouseEvent & ) { }
void Sdl2ApplicationWindow : : mouseMoveEvent ( MouseMoveEvent & ) { }
void Sdl2ApplicationWindow : : mouseScrollEvent ( MouseScrollEvent & ) { }
void Sdl2ApplicationWindow : : multiGestureEvent ( MultiGestureEvent & ) { }
void Sdl2ApplicationWindow : : textInputEvent ( TextInputEvent & ) { }
void Sdl2ApplicationWindow : : textEditingEvent ( TextEditingEvent & ) { }
namespace {
/*
* Fix up the modifiers - - we want > = operator to work properly on Shift ,
* Ctrl , Alt , but SDL generates different event for left / right keys , thus
* ( modifiers > = Shift ) would pass only if both left and right were pressed ,
* which is usually not what the developers wants .
*/
Sdl2Application : : InputEvent : : Modifiers fixedModifiers ( Uint16 mod ) {
Sdl2Application : : InputEvent : : Modifiers modifiers ( static_cast < Sdl2Application : : InputEvent : : Modifier > ( mod ) ) ;
if ( modifiers & Sdl2Application : : InputEvent : : Modifier : : Shift ) modifiers | = Sdl2Application : : InputEvent : : Modifier : : Shift ;
if ( modifiers & Sdl2Application : : InputEvent : : Modifier : : Ctrl ) modifiers | = Sdl2Application : : InputEvent : : Modifier : : Ctrl ;
if ( modifiers & Sdl2Application : : InputEvent : : Modifier : : Alt ) modifiers | = Sdl2Application : : InputEvent : : Modifier : : Alt ;
if ( modifiers & Sdl2Application : : InputEvent : : Modifier : : Super ) modifiers | = Sdl2Application : : InputEvent : : Modifier : : Super ;
return modifiers ;
}
}
enum class Sdl2Application : : Flag : UnsignedByte {
VSyncEnabled = 1 < < 0 ,
NoTickEvent = 1 < < 1 ,
NoAnyEvent = 1 < < 2 ,
Exit = 1 < < 3 ,
# ifdef CORRADE_TARGET_APPLE
HiDpiWarningPrinted = 1 < < 4
# endif
} ;
Sdl2Application : : Sdl2Application ( const Arguments & arguments ) : Sdl2Application { arguments , Configuration { } } { }
Sdl2Application : : Sdl2Application ( const Arguments & arguments , const Configuration & configuration ) : Sdl2Application { arguments , NoCreate } {
create ( configuration ) ;
}
# ifdef MAGNUM_TARGET_GL
Sdl2Application : : Sdl2Application ( const Arguments & arguments , const Configuration & configuration , const GLConfiguration & glConfiguration ) : Sdl2Application { arguments , NoCreate } {
create ( configuration , glConfiguration ) ;
}
# endif
Sdl2Application : : Sdl2Application ( const Arguments & arguments , NoCreateT ) : Sdl2ApplicationWindow { * this , NoCreate }
# ifndef CORRADE_TARGET_EMSCRIPTEN
, _minimalLoopPeriod { 0 }
# endif
{
Utility : : Arguments args { Implementation : : windowScalingArguments ( ) } ;
# ifdef MAGNUM_TARGET_GL
_context . emplace ( NoCreate , args , arguments . argc , arguments . argv ) ;
# else
/** @todo this is duplicated here, in GlfwApplication and in
EmscriptenApplication , figure out a nice non - duplicated way to handle
this */
args . addOption ( " log " , " default " ) . setHelp ( " log " , " console logging " , " default|quiet|verbose " )
. setFromEnvironment ( " log " )
. parse ( arguments . argc , arguments . argv ) ;
# endif
/* Available since 2.0.4, disables interception of SIGINT and SIGTERM so
it ' s possible to Ctrl - C the application even if exitEvent ( ) doesn ' t set
event . setAccepted ( ) . */
# ifdef SDL_HINT_NO_SIGNAL_HANDLERS
SDL_SetHint ( SDL_HINT_NO_SIGNAL_HANDLERS , " 1 " ) ;
# endif
/* Available since 2.0.6, uses dedicated OpenGL ES drivers if EGL is used,
and desktop GLES context otherwise . */
# if defined(MAGNUM_TARGET_GLES) && defined(MAGNUM_TARGET_EGL) && defined(SDL_HINT_OPENGL_ES_DRIVER)
SDL_SetHint ( SDL_HINT_OPENGL_ES_DRIVER , " 1 " ) ;
# endif
/* Available since 2.0.8, disables compositor bypass on X11, which causes
flickering on KWin as the compositor gets shut down on every startup */
# ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR
SDL_SetHint ( SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR , " 0 " ) ;
# endif
/* By default, SDL behaves like if it was playing a video or whatever,
preventing the computer from turning off the screen or going to sleep .
While it sorta makes sense for games , it ' s useless and annoying for
regular apps . Together with the compositor disabling those two are the
most stupid defaults . */
# ifdef SDL_HINT_VIDEO_ALLOW_SCREENSAVER
SDL_SetHint ( SDL_HINT_VIDEO_ALLOW_SCREENSAVER , " 1 " ) ;
# endif
/* Available since 2.0.12, use EGL if desired */
# if defined(MAGNUM_TARGET_EGL) && defined(SDL_HINT_VIDEO_X11_FORCE_EGL)
SDL_SetHint ( SDL_HINT_VIDEO_X11_FORCE_EGL , " 1 " ) ;
# endif
/* HOWEVER, on Windows it gets the virtual DPI scaling, which we don't
want , so we need to call Windows APIs directly instead . Consistency my
ass . Related bug report that will probably never get actually
implemented : https : //bugzilla.libsdl.org/show_bug.cgi?id=2473 */
# elif defined(CORRADE_TARGET_WINDOWS) && !defined(CORRADE_TARGET_WINDOWS_RT)
HDC hDC = GetWindowDC ( nullptr ) ;
Vector2i monitorSize { GetDeviceCaps ( hDC , HORZSIZE ) , GetDeviceCaps ( hDC , VERTSIZE ) } ;
SDL_DisplayMode mode ;
CORRADE_INTERNAL_ASSERT ( SDL_GetDesktopDisplayMode ( 0 , & mode ) = = 0 ) ;
auto dpi = Vector2 { Vector2i { mode . w , mode . h } * 25.4f / Vector2 { monitorSize } } ;
const Vector2 dpiScaling { dpi / 96.0f } ;
Debug { verbose } < < " Platform::Sdl2Application: physical DPI scaling " < < dpiScaling ;
return dpiScaling ;
if ( SDL_Init ( SDL_INIT_VIDEO ) < 0 ) {
Error ( ) < < " Cannot initialize SDL: " < < SDL_GetError ( ) ;
std : : exit ( 1 ) ;
}
/* Not implemented otherwise */
# else
Debug { verbose } < < " Platform::Sdl2Application: sorry, physical DPI scaling not implemented on this platform yet " ;
return Vector2 { 1.0f } ;
/* Save command-line arguments */
if ( args . value ( " log " ) = = " verbose " ) _verboseLog = true ;
const Containers : : StringView dpiScaling = args . value < Containers : : StringView > ( " dpi-scaling " ) ;
if ( dpiScaling = = " default " _s )
_commandLineDpiScalingPolicy = Implementation : : Sdl2DpiScalingPolicy : : Default ;
# ifdef CORRADE_TARGET_APPLE
else if ( dpiScaling = = " framebuffer " _s )
_commandLineDpiScalingPolicy = Implementation : : Sdl2DpiScalingPolicy : : Framebuffer ;
# endif
# ifndef CORRADE_TARGET_APPLE
# if !defined(CORRADE_TARGET_EMSCRIPTEN) && !defined(CORRADE_TARGET_ANDROID)
else if ( dpiScaling = = " virtual " _s )
_commandLineDpiScalingPolicy = Implementation : : Sdl2DpiScalingPolicy : : Virtual ;
# endif
}
void Sdl2Application : : setWindowTitle ( const Containers : : StringView title ) {
# ifndef CORRADE_TARGET_EMSCRIPTEN
SDL_SetWindowTitle ( _window ,
Containers : : String : : nullTerminatedGlobalView ( title ) . data ( ) ) ;
# else
/* We don't have the _window because SDL_CreateWindow() doesn't exist in
the SDL1 / 2 hybrid . But it ' s not used anyway , so pass nullptr there . */
SDL_SetWindowTitle ( nullptr ,
Containers : : String : : nullTerminatedGlobalView ( title ) . data ( ) ) ;
else if ( dpiScaling = = " physical " _s )
_commandLineDpiScalingPolicy = Implementation : : Sdl2DpiScalingPolicy : : Physical ;
# endif
else if ( dpiScaling . containsAny ( " \t \n " _s ) )
_commandLineDpiScaling = args . value < Vector2 > ( " dpi-scaling " ) ;
else
_commandLineDpiScaling = Vector2 { args . value < Float > ( " dpi-scaling " ) } ;
}
# if !defined(CORRADE_TARGET_EMSCRIPTEN) && SDL_MAJOR_VERSION*1000 + SDL_MINOR_VERSION*100 + SDL_PATCHLEVEL >= 2005
void Sdl2Application : : setWindowIcon ( const ImageView2D & image ) {
Uint32 format ; /** @todo handle sRGB differently? */
switch ( image . format ( ) ) {
case PixelFormat : : RGB8Srgb :
case PixelFormat : : RGB8Unorm :
format = SDL_PIXELFORMAT_RGB24 ;
break ;
case PixelFormat : : RGBA8Srgb :
case PixelFormat : : RGBA8Unorm :
format = SDL_PIXELFORMAT_RGBA32 ;
break ;
default :
CORRADE_ASSERT_UNREACHABLE ( " Platform::Sdl2Application::setWindowIcon(): unexpected format " < < image . format ( ) , ) ;
}
/* Images are loaded with origin at bottom left, flip it to top left. SDL
only accepted a negative stride until version 2.23 .1 and commit
https : //github.com/libsdl-org/SDL/commit/535fdc3adcdc08a193ab0d45540014fd536cf251
so we need to manually flip the image now */
/** @todo take ImageFlag::YUp into account once it exists */
Image2D flippedImage { PixelStorage { } . setAlignment ( 1 ) , image . format ( ) , image . size ( ) , Containers : : Array < char > { NoInit , std : : size_t ( image . size ( ) . product ( ) * image . pixelSize ( ) ) } } ;
const Containers : : StridedArrayView3D < char > flippedPixels = flippedImage . pixels ( ) ;
Utility : : copy ( image . pixels ( ) . flipped < 0 > ( ) , flippedPixels ) ;
void Sdl2Application : : create ( ) {
create ( Configuration { } ) ;
}
SDL_Surface * const icon = SDL_CreateRGBSurfaceWithFormatFrom ( const_cast < void * > ( flippedPixels . data ( ) ) , flippedImage . size ( ) . x ( ) , flippedImage . size ( ) . y ( ) , 32 , flippedPixels . stride ( ) [ 0 ] , format ) ;
CORRADE_INTERNAL_ASSERT ( icon ) ;
void Sdl2Application : : create ( const Configuration & configuration ) {
if ( ! tryCreate ( configuration ) ) std : : exit ( 1 ) ;
}
SDL_SetWindowIcon ( _window , icon ) ;
SDL_FreeSurface ( icon ) ;
# ifdef MAGNUM_TARGET_GL
void Sdl2Application : : create ( const Configuration & configuration , const GLConfiguration & glConfiguration ) {
if ( ! tryCreate ( configuration , glConfiguration ) ) std : : exit ( 1 ) ;
}
# endif
@ -735,66 +906,13 @@ bool Sdl2Application::tryCreate(const Configuration& configuration, const GLConf
}
# endif
Vector2i Sdl2Application : : windowSize ( ) const {
Vector2i size ;
# ifndef CORRADE_TARGET_EMSCRIPTEN
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::windowSize(): no window opened " , { } ) ;
SDL_GetWindowSize ( _window , & size . x ( ) , & size . y ( ) ) ;
# else
CORRADE_ASSERT ( _surface , " Platform::Sdl2Application::windowSize(): no window opened " , { } ) ;
emscripten_get_canvas_element_size ( " #canvas " , & size . x ( ) , & size . y ( ) ) ;
# endif
return size ;
}
# ifndef CORRADE_TARGET_EMSCRIPTEN
void Sdl2Application : : setWindowSize ( const Vector2i & size ) {
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::setWindowSize(): no window opened " , ) ;
const Vector2i newSize = dpiScaling ( ) * size ;
SDL_SetWindowSize ( _window , newSize . x ( ) , newSize . y ( ) ) ;
}
void Sdl2Application : : setMinWindowSize ( const Vector2i & size ) {
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::setMinWindowSize(): no window opened " , ) ;
const Vector2i newSize = dpiScaling ( ) * size ;
SDL_SetWindowMinimumSize ( _window , newSize . x ( ) , newSize . y ( ) ) ;
}
void Sdl2Application : : setMaxWindowSize ( const Vector2i & size ) {
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::setMaxWindowSize(): no window opened " , ) ;
const Vector2i newSize = dpiScaling ( ) * size ;
SDL_SetWindowMaximumSize ( _window , newSize . x ( ) , newSize . y ( ) ) ;
}
# endif
# ifdef MAGNUM_TARGET_GL
Vector2i Sdl2Application : : framebufferSize ( ) const {
Vector2i size ;
# ifndef CORRADE_TARGET_EMSCRIPTEN
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::framebufferSize(): no window opened " , { } ) ;
SDL_GL_GetDrawableSize ( _window , & size . x ( ) , & size . y ( ) ) ;
# else
CORRADE_ASSERT ( _surface , " Platform::Sdl2Application::framebufferSize(): no window opened " , { } ) ;
emscripten_get_canvas_element_size ( " #canvas " , & size . x ( ) , & size . y ( ) ) ;
# endif
return size ;
}
# endif
Vector2 Sdl2Application : : dpiScaling ( ) const {
return dpiScalingInternal ( _configurationDpiScalingPolicy , _configurationDpiScaling ) ;
}
# ifdef CORRADE_TARGET_EMSCRIPTEN
void Sdl2Application : : setContainerCssClass ( const Containers : : StringView cssClass ) {
magnumPlatformSetContainerCssClass ( cssClass . data ( ) , cssClass . size ( ) ) ;
}
# endif
void Sdl2Application : : swapBuffers ( ) {
void Sdl2ApplicationWindow : : swapBuffers ( ) {
# ifndef CORRADE_TARGET_EMSCRIPTEN
SDL_GL_SwapWindow ( _window ) ;
# else
@ -827,8 +945,6 @@ bool Sdl2Application::setSwapInterval(const Int interval) {
return true ;
}
void Sdl2Application : : redraw ( ) { _flags | = Flag : : Redraw ; }
Sdl2Application : : ~ Sdl2Application ( ) {
/* SDL_DestroyWindow(_window) crashes on windows when _window is nullptr
( it doesn ' t seem to crash on Linux ) . Because this seems to be yet
@ -852,9 +968,14 @@ Sdl2Application::~Sdl2Application() {
SDL_FreeCursor ( cursor ) ;
# endif
# ifndef CORRADE_TARGET_EMSCRIPTEN
if ( _window ) SDL_DestroyWindow ( _window ) ;
# endif
/* The window would be destroyed in the base ~Sdl2ApplicationWindow(), but
that ' s too late . Do it before calling SDL_Quit ( ) and then reset the
window pointer so it ' s not called again after . */
if ( _window ) {
SDL_DestroyWindow ( _window ) ;
_window = nullptr ;
}
SDL_Quit ( ) ;
}
@ -946,14 +1067,14 @@ bool Sdl2Application::mainLoopIteration() {
dpiScaling ( ) } ;
/** @todo handle also WM_DPICHANGED events when a window is moved between displays with different DPI */
viewportEvent ( e ) ;
_f lags | = Flag : : Redraw ;
_windowF lags | = Window Flag: : Redraw ;
# endif
} break ;
/* Direct everything that wasn't exposed via a callback to
anyEvent ( ) , so users can implement event handling for
things not present in the Application APIs */
case SDL_WINDOWEVENT_EXPOSED :
_f lags | = Flag : : Redraw ;
_windowF lags | = Window Flag: : Redraw ;
if ( ! ( _flags & Flag : : NoAnyEvent ) ) anyEvent ( event ) ;
break ;
default :
@ -1027,8 +1148,8 @@ bool Sdl2Application::mainLoopIteration() {
if ( ! ( _flags & Flag : : NoTickEvent ) ) tickEvent ( ) ;
/* Draw event */
if ( _f lags & Flag : : Redraw ) {
_f lags & = ~ Flag : : Redraw ;
if ( _windowF lags & Window Flag: : Redraw ) {
_windowF lags & = ~ Window Flag: : Redraw ;
drawEvent ( ) ;
# ifndef CORRADE_TARGET_EMSCRIPTEN
@ -1058,99 +1179,6 @@ bool Sdl2Application::mainLoopIteration() {
return ! ( _flags & Flag : : Exit ) ;
}
namespace {
# ifndef CORRADE_TARGET_EMSCRIPTEN
constexpr SDL_SystemCursor CursorMap [ ] {
SDL_SYSTEM_CURSOR_ARROW ,
SDL_SYSTEM_CURSOR_IBEAM ,
SDL_SYSTEM_CURSOR_WAIT ,
SDL_SYSTEM_CURSOR_CROSSHAIR ,
SDL_SYSTEM_CURSOR_WAITARROW ,
SDL_SYSTEM_CURSOR_SIZENWSE ,
SDL_SYSTEM_CURSOR_SIZENESW ,
SDL_SYSTEM_CURSOR_SIZEWE ,
SDL_SYSTEM_CURSOR_SIZENS ,
SDL_SYSTEM_CURSOR_SIZEALL ,
SDL_SYSTEM_CURSOR_NO ,
SDL_SYSTEM_CURSOR_HAND
} ;
# else
constexpr Containers : : StringView CursorMap [ ] {
" default " _s ,
" text " _s ,
" wait " _s ,
" crosshair " _s ,
" progress " _s ,
" nwse-resize " _s ,
" nesw-resize " _s ,
" ew-resize " _s ,
" ns-resize " _s ,
" move " _s ,
" not-allowed " _s ,
" pointer " _s ,
" none " _s
/* Hidden & locked not supported yet */
} ;
# endif
}
void Sdl2Application : : setCursor ( Cursor cursor ) {
# ifndef CORRADE_TARGET_EMSCRIPTEN
CORRADE_ASSERT ( _window , " Platform::Sdl2Application::setCursor(): no window opened " , ) ;
if ( cursor = = Cursor : : Hidden ) {
SDL_ShowCursor ( SDL_DISABLE ) ;
SDL_SetWindowGrab ( _window , SDL_FALSE ) ;
SDL_SetRelativeMouseMode ( SDL_FALSE ) ;
return ;
} else if ( cursor = = Cursor : : HiddenLocked ) {
SDL_SetWindowGrab ( _window , SDL_TRUE ) ;
SDL_SetRelativeMouseMode ( SDL_TRUE ) ;
return ;
} else {
SDL_ShowCursor ( SDL_ENABLE ) ;
SDL_SetWindowGrab ( _window , SDL_FALSE ) ;
SDL_SetRelativeMouseMode ( SDL_FALSE ) ;
}
/* The second condition could be a static assert but it doesn't let me
because " this pointer only accessible in a constexpr function " . Thanks
for nothing , C + + . */
CORRADE_INTERNAL_ASSERT ( UnsignedInt ( cursor ) < Containers : : arraySize ( _cursors ) & & Containers : : arraySize ( _cursors ) = = Containers : : arraySize ( CursorMap ) ) ;
if ( ! _cursors [ UnsignedInt ( cursor ) ] )
_cursors [ UnsignedInt ( cursor ) ] = SDL_CreateSystemCursor ( CursorMap [ UnsignedInt ( cursor ) ] ) ;
SDL_SetCursor ( _cursors [ UnsignedInt ( cursor ) ] ) ;
# else
CORRADE_ASSERT ( _surface , " Platform::Sdl2Application::setCursor(): no window opened " , ) ;
_cursor = cursor ;
CORRADE_INTERNAL_ASSERT ( UnsignedInt ( cursor ) < Containers : : arraySize ( CursorMap ) ) ;
magnumPlatformSetCursor ( CursorMap [ UnsignedInt ( cursor ) ] . data ( ) ,
CursorMap [ UnsignedInt ( cursor ) ] . size ( ) ) ;
# endif
}
Sdl2Application : : Cursor Sdl2Application : : cursor ( ) {
# ifndef CORRADE_TARGET_EMSCRIPTEN
if ( SDL_GetRelativeMouseMode ( ) )
return Cursor : : HiddenLocked ;
else if ( ! SDL_ShowCursor ( SDL_QUERY ) )
return Cursor : : Hidden ;
SDL_Cursor * cursor = SDL_GetCursor ( ) ;
if ( cursor ) for ( UnsignedInt i = 0 ; i < sizeof ( _cursors ) ; i + + )
if ( _cursors [ i ] = = cursor ) return Cursor ( i ) ;
return Cursor : : Arrow ;
# else
return _cursor ;
# endif
}
# ifdef MAGNUM_BUILD_DEPRECATED
void Sdl2Application : : setMouseLocked ( bool enabled ) {
/** @todo Implement this in Emscripten */
@ -1207,34 +1235,7 @@ void Sdl2Application::anyEvent(SDL_Event&) {
_flags | = Flag : : NoAnyEvent ;
}
void Sdl2Application : : viewportEvent ( ViewportEvent & ) { }
void Sdl2Application : : keyPressEvent ( KeyEvent & ) { }
void Sdl2Application : : keyReleaseEvent ( KeyEvent & ) { }
void Sdl2Application : : mousePressEvent ( MouseEvent & ) { }
void Sdl2Application : : mouseReleaseEvent ( MouseEvent & ) { }
void Sdl2Application : : mouseMoveEvent ( MouseMoveEvent & ) { }
void Sdl2Application : : mouseScrollEvent ( MouseScrollEvent & ) { }
void Sdl2Application : : multiGestureEvent ( MultiGestureEvent & ) { }
void Sdl2Application : : textInputEvent ( TextInputEvent & ) { }
void Sdl2Application : : textEditingEvent ( TextEditingEvent & ) { }
# ifdef MAGNUM_TARGET_GL
Sdl2Application : : GLConfiguration : : GLConfiguration ( ) :
_colorBufferSize { 8 , 8 , 8 , 8 } , _depthBufferSize { 24 } , _stencilBufferSize { 0 } ,
_sampleCount ( 0 )
# ifndef CORRADE_TARGET_EMSCRIPTEN
, _version { GL : : Version : : None } , _srgbCapable { false }
# endif
{
# ifndef MAGNUM_TARGET_GLES
addFlags ( Flag : : ForwardCompatible ) ;
# endif
}
Sdl2Application : : GLConfiguration : : ~ GLConfiguration ( ) = default ;
# endif
Sdl2Application : : Configuration : : Configuration ( ) :
Sdl2ApplicationWindow : : Configuration : : Configuration ( ) :
# if !defined(CORRADE_TARGET_EMSCRIPTEN) && !defined(CORRADE_TARGET_IOS)
_title ( Containers : : String : : nullTerminatedGlobalView ( " Magnum SDL2 Application " _s ) ) ,
# endif
@ -1245,38 +1246,54 @@ Sdl2Application::Configuration::Configuration():
# endif
_dpiScalingPolicy { DpiScalingPolicy : : Default } { }
Sdl2Application : : Configuration : : ~ Configuration ( ) = default ;
Sdl2ApplicationWindow : : Configuration : : ~ Configuration ( ) = default ;
Containers : : StringView Sdl2Application : : KeyEvent : : keyName ( const Key key ) {
Containers : : StringView Sdl2ApplicationWindow : : KeyEvent : : keyName ( const Key key ) {
return SDL_GetKeyName ( SDL_Keycode ( key ) ) ;
}
Containers : : StringView Sdl2Application : : KeyEvent : : keyName ( ) const {
Containers : : StringView Sdl2ApplicationWindow : : KeyEvent : : keyName ( ) const {
return keyName ( _key ) ;
}
Sdl2Application : : InputEvent : : Modifiers Sdl2Application : : MouseEvent : : modifiers ( ) {
Sdl2ApplicationWindow : : InputEvent : : Modifiers Sdl2ApplicationWindow : : MouseEvent : : modifiers ( ) {
if ( _modifiers ) return * _modifiers ;
return * ( _modifiers = fixedModifiers ( Uint16 ( SDL_GetModState ( ) ) ) ) ;
}
Sdl2Application : : InputEvent : : Modifiers Sdl2Application : : MouseMoveEvent : : modifiers ( ) {
Sdl2ApplicationWindow : : InputEvent : : Modifiers Sdl2ApplicationWindow : : MouseMoveEvent : : modifiers ( ) {
if ( _modifiers ) return * _modifiers ;
return * ( _modifiers = fixedModifiers ( Uint16 ( SDL_GetModState ( ) ) ) ) ;
}
Vector2i Sdl2Application : : MouseScrollEvent : : position ( ) {
Vector2i Sdl2ApplicationWindow : : MouseScrollEvent : : position ( ) {
if ( _position ) return * _position ;
_position = Vector2i { } ;
SDL_GetMouseState ( & _position - > x ( ) , & _position - > y ( ) ) ;
return * _position ;
}
Sdl2Application : : InputEvent : : Modifiers Sdl2Application : : MouseScrollEvent : : modifiers ( ) {
Sdl2ApplicationWindow : : InputEvent : : Modifiers Sdl2ApplicationWindow : : MouseScrollEvent : : modifiers ( ) {
if ( _modifiers ) return * _modifiers ;
return * ( _modifiers = fixedModifiers ( Uint16 ( SDL_GetModState ( ) ) ) ) ;
}
# ifdef MAGNUM_TARGET_GL
Sdl2Application : : GLConfiguration : : GLConfiguration ( ) :
_colorBufferSize { 8 , 8 , 8 , 8 } , _depthBufferSize { 24 } , _stencilBufferSize { 0 } ,
_sampleCount ( 0 )
# ifndef CORRADE_TARGET_EMSCRIPTEN
, _version { GL : : Version : : None } , _srgbCapable { false }
# endif
{
# ifndef MAGNUM_TARGET_GLES
addFlags ( Flag : : ForwardCompatible ) ;
# endif
}
Sdl2Application : : GLConfiguration : : ~ GLConfiguration ( ) = default ;
# endif
template class BasicScreen < Sdl2Application > ;
template class BasicScreenedApplication < Sdl2Application > ;
Vladimír Vondruš
3 years ago