Avoid generating events during destruction of a widget

[libs/gltk.git] / source / widget.cpp

diff --git a/source/widget.cpp b/source/widget.cpp
index 1442151262121406319c9bdf737f5f2f54a34d56..a5a0f2d511801402c611c2a55f61218483b6d67c 100644 (file)
--- a/source/widget.cpp
+++ b/source/widget.cpp
@@ -30,7 +30,11 @@ Widget::Widget():
 Widget::~Widget()
 {
        if(parent)
-               parent->remove(*this);
+       {
+               Container *p = parent;
+               parent = 0;
+               p->remove(*this);
+       }
 }
 
 void Widget::set_position(int x, int y)
@@ -47,6 +51,19 @@ void Widget::set_size(unsigned w, unsigned h)
        on_geometry_change();
 }
 
+void Widget::autosize()
+{
+       geom.w = 0;
+       geom.h = 0;
+       const Style::PartSeq &parts = style->get_parts();
+       for(Style::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i)
+               if(i->get_name().empty())
+               {
+                       geom.w = max(geom.w, i->get_geometry().w);
+                       geom.h = max(geom.h, i->get_geometry().h);
+               }
+}
+
 void Widget::set_geometry(const Geometry &g)
 {
        geom = g;
@@ -57,6 +74,8 @@ void Widget::set_parent(Container *p)
 {
        if(parent && p)
                throw InvalidState("Widget is already in a Container");
+       else if(p==parent)
+               return;
        parent = p;
 
        on_reparent();
@@ -89,6 +108,7 @@ void Widget::update_style()
        }
 
        on_style_change();
+       signal_autosize_changed.emit();
 }
 
 void Widget::set_tooltip(const string &t)