Add Lime mouse cursor support on SDL2

project/Build.xml

@@ -132,6 +132,7 @@
 			<file name="src/backend/sdl/SDLApplication.cpp" />
 			<file name="src/backend/sdl/SDLWindow.cpp" />
 			<file name="src/backend/sdl/SDLRenderer.cpp" />
+			<file name="src/backend/sdl/SDLMouse.cpp" />
 			
 		</section>
 		

project/include/ui/Mouse.h

@@ -0,0 +1,27 @@
+#ifndef LIME_UI_MOUSE_H
+#define LIME_UI_MOUSE_H
+
+
+#include <ui/MouseCursor.h>
+
+
+namespace lime {
+	
+	
+	class Mouse {
+		
+		public:
+			
+			static MouseCursor currentCursor;
+			
+			static void Hide ();
+			static void SetCursor (MouseCursor cursor);
+			static void Show ();
+		
+	};
+	
+	
+}
+
+
+#endif

project/include/ui/MouseCursor.h

@@ -0,0 +1,21 @@
+#ifndef LIME_UI_MOUSE_CURSOR_H
+#define LIME_UI_MOUSE_CURSOR_H
+
+
+namespace lime {
+	
+	
+	enum MouseCursor {
+		
+		DEFAULT,
+		POINTER,
+		TEXT,
+		CUSTOM
+		
+	};
+	
+	
+}
+
+
+#endif

project/src/ExternalInterface.cpp

@@ -24,6 +24,8 @@
 #include <graphics/RenderEvent.h>
 #include <system/System.h>
 #include <ui/KeyEvent.h>
+#include <ui/Mouse.h>
+#include <ui/MouseCursor.h>
 #include <ui/MouseEvent.h>
 #include <ui/TouchEvent.h>
 #include <ui/Window.h>
@@ -329,6 +331,30 @@ namespace lime {
 	}
 	
 	
+	value lime_mouse_hide () {
+		
+		Mouse::Hide ();
+		return alloc_null ();
+		
+	}
+	
+	
+	value lime_mouse_set_cursor (value cursor) {
+		
+		Mouse::SetCursor ((MouseCursor)val_int (cursor));
+		return alloc_null ();
+		
+	}
+	
+	
+	value lime_mouse_show () {
+		
+		Mouse::Show ();
+		return alloc_null ();
+		
+	}
+	
+	
 	value lime_neko_execute (value module) {
 		
 		#ifdef LIME_NEKO
@@ -490,6 +516,9 @@ namespace lime {
 	DEFINE_PRIM (lime_key_event_manager_register, 2);
 	DEFINE_PRIM (lime_lzma_encode, 1);
 	DEFINE_PRIM (lime_lzma_decode, 1);
+	DEFINE_PRIM (lime_mouse_hide, 0);
+	DEFINE_PRIM (lime_mouse_set_cursor, 1);
+	DEFINE_PRIM (lime_mouse_show, 0);
 	DEFINE_PRIM (lime_mouse_event_manager_register, 2);
 	DEFINE_PRIM (lime_neko_execute, 1);
 	DEFINE_PRIM (lime_renderer_create, 1);

project/src/backend/sdl/SDLMouse.cpp

@@ -0,0 +1,77 @@
+#include "SDLMouse.h"
+
+
+namespace lime {
+	
+	
+	MouseCursor Mouse::currentCursor = DEFAULT;
+	SDL_Cursor* SDLMouse::defaultCursor = 0;
+	SDL_Cursor* SDLMouse::pointerCursor = 0;
+	SDL_Cursor* SDLMouse::textCursor = 0;
+	
+	
+	void Mouse::Hide () {
+		
+		SDL_ShowCursor (SDL_DISABLE);
+		
+	}
+	
+	
+	void Mouse::SetCursor (MouseCursor cursor) {
+		
+		if (cursor != Mouse::currentCursor) {
+			
+			switch (cursor) {
+				
+				case POINTER:
+					
+					if (!SDLMouse::pointerCursor) {
+						
+						SDLMouse::pointerCursor = SDL_CreateSystemCursor (SDL_SYSTEM_CURSOR_HAND);
+						
+					}
+					
+					SDL_SetCursor (SDLMouse::pointerCursor);
+					break;
+				
+				case TEXT:
+					
+					if (!SDLMouse::textCursor) {
+						
+						SDLMouse::textCursor = SDL_CreateSystemCursor (SDL_SYSTEM_CURSOR_IBEAM);
+						
+					}
+					
+					SDL_SetCursor (SDLMouse::textCursor);
+					break;
+				
+				default:
+					
+					if (!SDLMouse::defaultCursor) {
+						
+						SDLMouse::defaultCursor = SDL_CreateSystemCursor (SDL_SYSTEM_CURSOR_ARROW);
+						
+					}
+					
+					SDL_SetCursor (SDLMouse::defaultCursor);
+					break;
+				
+			}
+			
+			Mouse::currentCursor = cursor;
+			
+		}
+		
+		
+		
+	}
+	
+	
+	void Mouse::Show () {
+		
+		SDL_ShowCursor (SDL_ENABLE);
+		
+	}
+	
+	
+}

project/src/backend/sdl/SDLMouse.h

@@ -0,0 +1,27 @@
+#ifndef LIME_SDL_MOUSE_H
+#define LIME_SDL_MOUSE_H
+
+
+#include <SDL.h>
+#include <ui/Mouse.h>
+#include <ui/MouseCursor.h>
+
+
+namespace lime {
+	
+	
+	class SDLMouse {
+		
+		public:
+			
+			static SDL_Cursor* defaultCursor;
+			static SDL_Cursor* pointerCursor;
+			static SDL_Cursor* textCursor;
+		
+	};
+	
+	
+}
+
+
+#endif