66 lines
1.3 KiB
C++
66 lines
1.3 KiB
C++
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#include <gtkmm.h>
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#include <gtk/gtk.h>
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#include <stdio.h>
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void on_viewport_destroyed(GtkWidget* widget, gpointer)
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{
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GTK_VIEWPORT(widget);
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g_warning("viewport destroyed");
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}
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void on_gtklabel_destroyed(GtkWidget*, gpointer)
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{
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g_warning("gtklabel destroyed");
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}
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class DerivedLabel : public Gtk::Label
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{
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public:
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DerivedLabel() {}
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virtual ~DerivedLabel() { printf("~DerivedLabel\n");}
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};
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class DerivedScrolledWindow : public Gtk::ScrolledWindow
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{
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public:
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DerivedScrolledWindow() {}
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virtual ~DerivedScrolledWindow() { printf("~DerivedScrolledWindow\n");}
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};
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class Instance
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{
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public:
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Instance()
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{
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//m_pLabel = new DerivedLabel();
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m_ScrolledWindow.add( m_pLabel );
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g_signal_connect (G_OBJECT(m_ScrolledWindow.get_child()->gobj()), "destroy", G_CALLBACK(on_viewport_destroyed), NULL);
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g_signal_connect (G_OBJECT(m_pLabel.gobj()), "destroy", G_CALLBACK(on_gtklabel_destroyed), NULL);
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}
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virtual ~Instance()
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{
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printf("~Instance() 1\n");
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//m_ScrolledWindow.remove(); //Removes m_pLabel;
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printf("~Instance() 2\n");
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//delete m_pLabel;
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printf("~Instance() 3\n");
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}
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protected:
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DerivedLabel m_pLabel;
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DerivedScrolledWindow m_ScrolledWindow;
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};
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int main ( int argc, char *argv[] ) {
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Gtk::Main main( argc, argv );
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Instance instance;
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}
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