GUI: Implement PicButtonWidget

It is a button with picture intead of text. To be used by Hugo engine

svn-id: r55099

1 files changed, 30 insertions, 0 deletions

diff --git a/gui/widget.h b/gui/widget.h
index 92bfbf8256..544b9c7601 100644
--- a/gui/widget.h
+++ b/gui/widget.h
@@ -198,6 +198,36 @@ protected:
 	void drawWidget();
 };
 
+/* PicButtonWidget */
+class PicButtonWidget : public Widget, public CommandSender {
+	friend class Dialog;	// Needed for the hotkey handling
+protected:
+	uint32	_cmd;
+	uint8	_hotkey;
+public:
+	PicButtonWidget(GuiObject *boss, int x, int y, int w, int h, const char *tooltip = 0, uint32 cmd = 0, uint8 hotkey = 0);
+	PicButtonWidget(GuiObject *boss, const Common::String &name, const char *tooltip = 0, uint32 cmd = 0, uint8 hotkey = 0);
+
+	void setCmd(uint32 cmd)				{ _cmd = cmd; }
+	uint32 getCmd() const				{ return _cmd; }
+
+	void setGfx(const Graphics::Surface *gfx);
+
+	void useAlpha(int alpha) { _alpha = alpha; }
+	void useThemeTransparency(bool enable) { _transparency = enable; }
+
+	void handleMouseUp(int x, int y, int button, int clickCount);
+	void handleMouseEntered(int button)	{ setFlags(WIDGET_HILITED); draw(); }
+	void handleMouseLeft(int button)	{ clearFlags(WIDGET_HILITED); draw(); }
+
+protected:
+	void drawWidget();
+
+	Graphics::Surface _gfx;
+	int _alpha;
+	bool _transparency;
+};
+
 /* CheckboxWidget */
 class CheckboxWidget : public ButtonWidget {
 protected: