X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/d6f6602d7cea3a7899990fe79216af7d98d05917..ba02fb4aced5868d047a5bffbd2ed87583daee4d:/lib/gui/ewidget.h?ds=sidebyside

diff --git a/lib/gui/ewidget.h b/lib/gui/ewidget.h
index e69de29b..fa8cd8ca 100644
--- a/lib/gui/ewidget.h
+++ b/lib/gui/ewidget.h
@@ -0,0 +1,83 @@
+#ifndef __lib_gui_ewidget_h
+#define __lib_gui_ewidget_h
+
+#include <lib/gdi/grc.h> /* for gRegion */
+#include <lib/base/eptrlist.h> /* for eSmartPtrList */
+#include <lib/gui/ewindowstyle.h> /* for eWindowStyle */
+
+class eWindowStyle;
+
+class eWidget
+{
+	friend class eWidgetDesktop;
+public:
+	eWidget(eWidget *parent);
+	
+	void move(ePoint pos);
+	void resize(eSize size);
+	
+	ePoint position() const { return m_position; }
+	eSize size() const { return m_size; }
+
+	void invalidate(const gRegion &region = gRegion::invalidRegion());
+	
+		/* the window were to attach childs to. Normally, this 
+		   is "this", but it can be overridden in case a widget
+		   has a "client area", which is implemented as a child
+		   widget. eWindow overrides this, for example. */
+	virtual eWidget *child() { return this; }
+
+	void show();
+	void hide();
+	
+	void destruct();
+	
+	int getStyle(ePtr<eWindowStyle> &style) { if (!m_style) return 1; style = m_style; return 0; }
+	void setStyle(eWindowStyle *style) { m_style = style; }
+	
+private:
+	eWidgetDesktop *m_desktop;
+
+	enum { 
+		wVisShow = 1,
+		wVisTransparent = 2,
+	};
+	
+	int m_vis;	
+
+	ePtrList<eWidget> m_childs;
+	ePoint m_position;
+	eSize m_size;
+	eWidget *m_parent;
+	
+	ePtr<eWindowStyle> m_style;
+	
+	void doPaint(gPainter &painter, const gRegion &region);
+	void recalcClipRegionsWhenVisible();
+protected:
+	virtual ~eWidget();
+public:
+
+		// all in local space!
+	gRegion	m_clip_region, m_visible_region, m_visible_with_childs;
+	
+	enum eWidgetEvent
+	{
+		evtPaint,
+		evtKey,
+		evtChangedPosition,
+		evtChangedSize,
+		
+		evtWillShow,
+		evtWillHide,
+		evtWillChangePosition, /* new size is eRect *data */
+		evtWillChangeSize,
+		
+		evtUserWidget,
+	};
+	virtual int event(int event, void *data = 0, void *data2 = 0);
+};
+
+extern eWidgetDesktop *getDesktop();
+
+#endif