- fixed dvb scan

[enigma2.git] / lib / gui / ewidget.h

diff --git a/lib/gui/ewidget.h b/lib/gui/ewidget.h
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..fa8cd8cac1b37d163f93f74541c5943c920713c3 100644 (file)
--- 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