X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/7c4eec27070e8c2cb925117caaf7e9c2c2a754e9..2c333dec2921a4d9248a33e4be7bc075f930f859:/lib/gui/ewidget.cpp

diff --git a/lib/gui/ewidget.cpp b/lib/gui/ewidget.cpp
index cbc1a8c0..8a396ad3 100644
--- a/lib/gui/ewidget.cpp
+++ b/lib/gui/ewidget.cpp
@@ -23,6 +23,8 @@ eWidget::eWidget(eWidget *parent): m_animation(this), m_parent(parent ? parent->
 
 	m_current_focus = 0;
 	m_focus_owner = 0;
+	
+	m_notify_child_on_position_change = 1;
 }
 
 void eWidget::move(ePoint pos)
@@ -38,6 +40,11 @@ void eWidget::move(ePoint pos)
 	m_position = pos;
 	
 	event(evtChangedPosition);
+	
+	if (m_notify_child_on_position_change)
+		for (ePtrList<eWidget>::iterator i(m_childs.begin()); i != m_childs.end(); ++i)
+			i->event(evtParentChangedPosition);
+		
 	recalcClipRegionsWhenVisible();
 	
 		/* try native move if supported. */
@@ -64,6 +71,11 @@ void eWidget::resize(eSize size)
 	
 	invalidate();
 	event(evtChangedSize);
+
+	if (m_notify_child_on_position_change)
+		for (ePtrList<eWidget>::iterator i(m_childs.begin()); i != m_childs.end(); ++i)
+			i->event(evtParentChangedPosition); /* position/size is the same here */
+
 	recalcClipRegionsWhenVisible();	
 	invalidate();
 }
@@ -109,7 +121,7 @@ void eWidget::show()
 	while (root && !root->m_desktop)
 	{
 		root = root->m_parent;
-		if (root)
+		if (!root)
 		{
 				/* oops: our root widget does not have a desktop associated. 
 					probably somebody already erased the root, but tries some
@@ -193,10 +205,29 @@ void eWidget::setZPosition(int z)
 
 void eWidget::setTransparent(int transp)
 {
-	if (transp)
-		m_vis |= wVisTransparent;
-	else
-		m_vis &=~wVisTransparent;
+	if (isTransparent() != transp)
+	{
+		if (transp)
+			m_vis |= wVisTransparent;
+		else
+			m_vis &=~wVisTransparent;
+		recalcClipRegionsWhenVisible();
+	}
+}
+
+ePoint eWidget::getAbsolutePosition()
+{
+	eWidget *root = this;
+	ePoint abspos = position();
+
+	while (root && !root->m_desktop)
+	{
+		root = root->m_parent;
+		assert(root);
+		abspos += root->position();
+	}
+
+	return abspos;
 }
 
 void eWidget::mayKillFocus()
@@ -314,8 +345,13 @@ int eWidget::event(int event, void *data, void *data2)
 			}
 		} else
 		{
-			if (m_have_background_color)
-				painter.setBackgroundColor(m_background_color);
+			eWidget *w = this;
+			
+			while (w && !w->m_have_background_color)
+				w = w->m_parent;
+
+			if (w)
+				painter.setBackgroundColor(w->m_background_color);
 		}
 		break;
 	}
@@ -325,10 +361,12 @@ int eWidget::event(int event, void *data, void *data2)
 		m_size = *static_cast<eSize*>(data);
 		break;
 	case evtChangedSize:
-	{
 		m_clip_region = gRegion(eRect(ePoint(0, 0),  m_size));
 		break;
-	}
+	case evtParentChangedPosition:
+		for (ePtrList<eWidget>::iterator i(m_childs.begin()); i != m_childs.end(); ++i)
+			i->event(evtParentChangedPosition);
+		break;
 	case evtFocusGot:
 		m_focus_owner = (eWidget*)data;
 		break;