Added multigesture support.

sdlsystem.mod/glue.c

@@ -11,6 +11,8 @@
 int brl_event_EmitEvent( BBObject *event );
 BBObject *brl_event_CreateEvent( int id,BBObject *source,int data,int mods,int x,int y,BBObject *extra );
 int sdl_sdlsystem_TSDLSystemDriver__eventFilter(BBObject * userdata, int eventType);
+BBObject * sdl_sdlsystem_TSDLMultiGesture__getGesture(BBLONG touchId, int x, int y, float dTheta, float dDist, int numFingers);
+void sdl_sdlsystem_TSDLMultiGesture__freeGesture(BBObject * gesture);
 
 void bbSDLSystemEmitEvent( int id,BBObject *source,int data,int mods,int x,int y,BBObject *extra ){
 	BBObject *event=brl_event_CreateEvent( id,source,data,mods,x,y,extra );
@@ -132,6 +134,17 @@ void bmx_SDL_EmitSDLEvent( SDL_Event *event, BBObject *source ) {
 				bbSDLSystemEmitEvent( (event->type == SDL_FINGERDOWN) ? BBEVENT_TOUCHDOWN : BBEVENT_TOUCHUP, source, event->tfinger.fingerId, 0, event->tfinger.x * mode.w, event->tfinger.y * mode.h, &bbNullObject );
 				return;
 			}
+		case SDL_MULTIGESTURE:
+			{
+				SDL_DisplayMode mode;
+				SDL_GetWindowDisplayMode(SDL_GL_GetCurrentWindow(), &mode);
+				int x = event->mgesture.x * mode.w;
+				int y = event->mgesture.y * mode.h;
+				BBObject * gesture = sdl_sdlsystem_TSDLMultiGesture__getGesture(event->mgesture.touchId, x, y, event->mgesture.dTheta, event->mgesture.dDist, event->mgesture.numFingers);
+				bbSDLSystemEmitEvent(BBEVENT_MULTIGESTURE, source, event->mgesture.touchId, 0, x, y, gesture);
+				sdl_sdlsystem_TSDLMultiGesture__freeGesture(gesture);
+				return;
+			}
 	}	
 	
 }

sdlsystem.mod/sdlsystem.bmx

@@ -70,27 +70,27 @@ Type TSDLSystemDriver Extends TSystemDriver
 		End If
 	End Method
 
-	Method Notify( text$,serious )
-		Local res:Int = bmx_SDL_ShowSimpleMessageBox(text, AppTitle, serious)
+	Method Notify( Text$,serious )
+		Local res:Int = bmx_SDL_ShowSimpleMessageBox(Text, AppTitle, serious)
 		' failed to display message box?
 		If res Then
-			WriteStdout text+"~r~n"
+			WriteStdout Text+"~r~n"
 		End If
 	End Method
 	
-	Method Confirm( text$,serious )
-		Return bmx_SDL_ShowMessageBox_confirm(text, AppTitle, serious)
+	Method Confirm( Text$,serious )
+		Return bmx_SDL_ShowMessageBox_confirm(Text, AppTitle, serious)
 	End Method
 	
-	Method Proceed( text$,serious )
-		Return bmx_SDL_ShowMessageBox_proceed(text, AppTitle, serious)
+	Method Proceed( Text$,serious )
+		Return bmx_SDL_ShowMessageBox_proceed(Text, AppTitle, serious)
 	End Method
 
-	Method RequestFile$( text$,exts$,save,file$ )
+	Method RequestFile$( Text$,exts$,save,file$ )
 		' TODO
 	End Method
 	
-	Method RequestDir$( text$,path$ )
+	Method RequestDir$( Text$,path$ )
 		' TODO
 	End Method
 
@@ -123,6 +123,9 @@ Type TSDLSystemDriver Extends TSystemDriver
 	 
 End Type
 
+Rem
+bbdoc: 
+End Rem
 Function SetEventFilterCallback(callback:Int(data:Object, event:Int), data:Object = Null)
 	TSDLSystemDriver(Driver)._eventFilterCallback = callback
 	TSDLSystemDriver(Driver)._eventFilterUserData = data
@@ -130,3 +133,55 @@ End Function
 
 Driver = New TSDLSystemDriver
 
+Rem
+bbdoc: Information about multiple finger gestures.
+End Rem
+Type TSDLMultiGesture
+	Rem
+	bbdoc: The touch device id.
+	End Rem
+	Field touchId:Long
+	Rem
+	bbdoc: The center of the gesture.
+	End Rem
+	Field x:Int
+	Rem
+	bbdoc: The center of the gesture.
+	End Rem
+	Field y:Int
+	Rem
+	bbdoc: The amount that the fingers rotated during this motion.
+	End Rem
+	Field dTheta:Float
+	Rem
+	bbdoc: The amount that the fingers pinched during this motion.
+	End Rem
+	Field dDist:Float
+	Rem
+	bbdoc: The number of fingers used in the gesture.
+	End Rem
+	Field numFingers:Int
+	
+	Global _gestures:TList = New TList
+	
+	Function _getGesture:TSDLMultiGesture(touchId:Long, x:Int, y:Int, dTheta:Float, dDist:Float, numFingers:Int)
+		Local gesture:TSDLMultiGesture = TSDLMultiGesture(_gestures.RemoveFirst())
+		If Not gesture Then
+			gesture = New TSDLMultiGesture
+		End If
+		
+		gesture.touchId = touchId
+		gesture.x = x
+		gesture.y = y
+		gesture.dTheta = dTheta
+		gesture.dDist = dDist
+		gesture.numFingers = numFingers
+		
+		Return gesture
+	End Function
+	
+	Function _freeGesture(gesture:TSDLMultiGesture)
+		_gestures.AddLast(gesture)
+	End Function
+	
+End Type