Initial source commit

minorGems/ui/linux/MouseLinux.cpp

@@ -0,0 +1,73 @@
+/*
+ * Modification History
+ *
+ * 2000-November-28		Jason Rohrer
+ * Created.
+ *
+ * 2001-May-2   Jason Rohrer
+ * Changed to use more standard SDL include location.
+ */
+ 
+#include "minorGems/ui/Mouse.h"
+
+#include <SDL/SDL.h>
+
+/**
+ * Note:  Linux implementation:
+ * Requires that a ScreenGraphics be constructed before accessing the mouse.
+ */
+
+
+
+void Mouse::getLocation( int *outX, int *outY ) {
+	SDL_PumpEvents();
+	SDL_GetMouseState( outX, outY );
+	/*
+	SDL_PumpEvents( void );
+	
+	int numEventsToGet = 99;
+	
+	SDL_Event *events = new SDL_Event[numEventsToGet];
+	
+	// get events from the queue
+	int numEventsRetrieved = SDL_PeepEvents( events, numEventsToGet,
+		SDL_GETEVENT, SDL_MOUSEMOTIONMASK ); 
+	
+	// for mouse motion, we only care about the last event
+	SDL_Event lastEvent = events[ numEventsRetrieved - 1 ];
+	
+	delete [] events;
+	*/
+	}
+	
+	
+char Mouse::isButtonDown( int inButtonNumber ) {
+	SDL_PumpEvents();
+	
+	int x, y;
+	
+	Uint8 buttonState = SDL_GetMouseState( &x, &y );
+	
+	if( inButtonNumber == 0 ) {
+		return( buttonState & SDL_BUTTON_LMASK );
+		}
+	
+	if( mNumButtons >=3 ) {	
+		// if we care about 3 buttons, then count the middle button
+		// as button 1
+		if( inButtonNumber == 1 ) {
+			return( buttonState & SDL_BUTTON_MMASK );
+			}
+		if( inButtonNumber == 2 ) {
+			return( buttonState & SDL_BUTTON_RMASK );
+			}
+		}
+	else {
+		// we care about 2 or fewer buttons 
+		if( inButtonNumber == 1 ) {
+			return( buttonState & SDL_BUTTON_RMASK );
+			}
+		}
+		
+	return false;
+	}