X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fpanel.cpp;h=f6aad86a856d90aa0440ebb1f0634544a2b3f51b;hb=c062ca892fc6e10f74a76991b5d4b4349c046b5f;hp=b029057de9f7799dc64d36d86ea919dc2925eb7c;hpb=c1f038acb91eb3bfaa34dfd4729d19ed3f871a42;p=libs%2Fgltk.git

diff --git a/source/panel.cpp b/source/panel.cpp
index b029057..f6aad86 100644
--- a/source/panel.cpp
+++ b/source/panel.cpp
@@ -5,7 +5,9 @@ namespace Msp {
 namespace GLtk {
 
 Panel::Panel(const Resources &r):
-	Widget(r)
+	Widget(r),
+	pointer_focus(0),
+	pointer_grab(0)
 {
 	update_style();
 }
@@ -16,6 +18,67 @@ Panel::~Panel()
 		delete *i;
 }
 
+void Panel::button_press(int x, int y, unsigned btn)
+{
+	if(pointer_grab>0)
+		pointer_focus->button_press(x-geom.x, y-geom.y, btn);
+	else if(geom.is_inside(x, y))
+	{
+		for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
+			if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
+			{
+				(*i)->button_press(x-geom.x, y-geom.y, btn);
+				pointer_grab=btn;
+			}
+	}
+}
+
+void Panel::button_release(int x, int y, unsigned btn)
+{
+	if(pointer_grab>0)
+	{
+		pointer_focus->button_release(x-geom.x, y-geom.y, btn);
+
+		if(btn==pointer_grab)
+		{
+			pointer_grab=0;
+
+			for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
+				if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
+				{
+					set_pointer_focus(*i);
+					break;
+				}
+		}
+	}
+	else if(geom.is_inside(x, y))
+	{
+		for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
+			if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
+				(*i)->button_release(x-geom.x, y-geom.y, btn);
+	}
+}
+
+void Panel::pointer_motion(int x, int y)
+{
+	if(pointer_grab>0)
+		pointer_focus->pointer_motion(x-geom.x, y-geom.y);
+	else if(geom.is_inside(x, y))
+	{
+		bool found=false;
+		for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
+			if((*i)->get_geometry().is_inside(x-geom.x, y-geom.y))
+			{
+				set_pointer_focus(*i);
+				(*i)->pointer_motion(x-geom.x, y-geom.y);
+				found=true;
+			}
+
+		if(!found)
+			set_pointer_focus(0);
+	}
+}
+
 void Panel::add(Widget &wdg)
 {
 	children.push_back(&wdg);
@@ -32,16 +95,18 @@ void Panel::render_part(const Part &part) const
 		Widget::render_part(part);
 }
 
-void Panel::on_button_press(int x, int y, unsigned btn)
+void Panel::set_pointer_focus(Widget *wdg)
 {
-	for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-		(*i)->button_press(x-geom.x, y-geom.y, btn);
-}
+	if(wdg!=pointer_focus && pointer_grab==0)
+	{
+		if(pointer_focus)
+			pointer_focus->pointer_leave();
 
-void Panel::on_button_release(int x, int y, unsigned btn)
-{
-	for(ChildSeq::iterator i=children.begin(); i!=children.end(); ++i)
-		(*i)->button_release(x-geom.x, y-geom.y, btn);
+		pointer_focus=wdg;
+
+		if(pointer_focus)
+			pointer_focus->pointer_enter();
+	}
 }
 
 } // namespace GLtk