Major refactoring of GUI: Phase I

[virtualjaguar] / src / gui / element.h

diff --git a/src/gui/element.h b/src/gui/element.h
new file mode 100644 (file)
index 0000000..b54fc7c
--- /dev/null
+++ b/src/gui/element.h
@@ -0,0 +1,40 @@
+//
+// GUI element base class
+//
+// by James L. Hammons
+//
+
+#ifndef __ELEMENT_H__
+#define __ELEMENT_H__
+
+#include "SDL.h"
+#include "types.h"
+
+class Element
+{
+       public:
+               Element(uint32 x = 0, uint32 y = 0, uint32 w = 0, uint32 h = 0)
+                       { extents.x = x, extents.y = y, extents.w = w, extents.h = h; }
+               // These are "pure" virtual functions...
+               virtual void HandleKey(SDLKey key) = 0;
+               virtual void HandleMouseMove(uint32 x, uint32 y) = 0;
+               virtual void HandleMouseButton(uint32 x, uint32 y, bool mouseDown) = 0;
+               virtual void Draw(uint32, uint32) = 0;
+               virtual void Notify(Element *) = 0;
+//Needed?              virtual ~Element() = 0;
+//We're not allocating anything in the base class, so the answer would be NO.
+               bool Inside(uint32 x, uint32 y);
+
+               // Class method
+               static void SetScreenAndPitch(uint32 * s, uint32 p) { screenBuffer = s, pitch = p; }
+
+       protected:
+               SDL_Rect extents;
+               uint32 state;
+
+               // Class variables...
+               static uint32 * screenBuffer;
+               static uint32 pitch;
+};
+
+#endif // __ELEMENT_H__