X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/d6f6602d7cea3a7899990fe79216af7d98d05917..3220cd98443043566e3617c564370683d011878e:/lib/gui/ewidget.h

diff --git a/lib/gui/ewidget.h b/lib/gui/ewidget.h
index e69de29b..879e5eaa 100644
--- a/lib/gui/ewidget.h
+++ b/lib/gui/ewidget.h
@@ -0,0 +1,113 @@
+#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 */
+#include <lib/gui/ewidgetanimation.h>
+
+class eWidgetDesktop;class eWidgetDesktop;
+
+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; }
+	
+	void setBackgroundColor(const gRGB &col);
+	void clearBackgroundColor();
+	
+	void setZPosition(int z);
+	
+		/* untested code */
+	int isVisible() { return (m_vis & wVisShow) && ((!m_parent) || m_parent->isVisible()); }
+		/* ... */
+	
+	eWidgetAnimation m_animation;
+private:
+	eWidgetDesktop *m_desktop;
+
+	enum { 
+		wVisShow = 1,
+		wVisTransparent = 2,
+	};
+	
+	int m_vis;	
+
+	ePtrList<eWidget> m_childs;
+	ePoint m_position;
+	eSize m_size;
+		/* will be accounted when there's a client offset */
+	eSize m_client_offset;
+	eWidget *m_parent;
+	
+	ePtr<eWindowStyle> m_style;
+	
+	void insertIntoParent();
+	void doPaint(gPainter &painter, const gRegion &region);
+	void recalcClipRegionsWhenVisible();
+	
+	gRGB m_background_color;
+	int m_have_background_color;
+	
+	eWidget *m_current_focus, *m_focus_owner;
+	
+	int m_z_position;
+	
+protected:
+	virtual ~eWidget();
+	void mayKillFocus();
+public:
+
+		// all in local space!
+	gRegion	m_clip_region, m_visible_region, m_visible_with_childs;
+	struct eWidgetDesktopCompBuffer *m_comp_buffer;
+	
+	enum eWidgetEvent
+	{
+		evtPaint,
+		evtKey,
+		evtChangedPosition,
+		evtChangedSize,
+		
+		evtWillShow,
+		evtWillHide,
+		evtWillChangePosition, /* new size is eRect *data */
+		evtWillChangeSize,
+		
+		evtAction,
+		
+		evtFocusGot,
+		evtFocusLost,
+		
+		evtUserWidget,
+	};
+	virtual int event(int event, void *data = 0, void *data2 = 0);
+	void setFocus(eWidget *focus);
+};
+
+extern eWidgetDesktop *getDesktop();
+
+#endif