Apply choice patch for proper handling of clearing

[wxWidgets.git] / src / gtk / combobox.cpp

diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp
index f7950f67bfc11b12521d176521355ad21f0c6f79..7d42568e62683b26c985ae0dba8f665b3270c524 100644 (file)
--- a/src/gtk/combobox.cpp
+++ b/src/gtk/combobox.cpp
@@ -54,18 +54,18 @@ gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(wi
 
     int curSelection = combo->GetSelection();
 
-    if (combo->m_prevSelection != curSelection)
-    {
-        GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
-        gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
-    }
+    if (combo->m_prevSelection == curSelection) return;
+
+    GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
+    gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
+    
     combo->m_prevSelection = curSelection;
 
     wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
     event.SetInt( curSelection );
     event.SetString( combo->GetStringSelection() );
     event.SetEventObject( combo );
-
+    
     combo->GetEventHandler()->ProcessEvent( event );
 }
 
@@ -238,8 +238,17 @@ int wxComboBox::DoAppend( const wxString &item )
     {
         gtk_widget_realize( list_item );
         gtk_widget_realize( GTK_BIN(list_item)->child );
+    }
 
-        if (m_widgetStyle) ApplyWidgetStyle();
+    // Apply current widget style to the new list_item
+    GtkRcStyle *style = CreateWidgetStyle();
+    if (style)
+    {
+        gtk_widget_modify_style( GTK_WIDGET( list_item ), style );
+        GtkBin *bin = GTK_BIN( list_item );
+        GtkWidget *label = GTK_WIDGET( bin->child );
+        gtk_widget_modify_style( label, style );
+        gtk_rc_style_unref( style );
     }
 
     gtk_widget_show( list_item );
@@ -253,6 +262,8 @@ int wxComboBox::DoAppend( const wxString &item )
 
     EnableEvents();
 
+    InvalidateBestSize();
+
     return count - 1;
 }
 
@@ -284,8 +295,7 @@ int wxComboBox::DoInsert( const wxString &item, int pos )
         gtk_widget_realize( list_item );
         gtk_widget_realize( GTK_BIN(list_item)->child );
 
-        if (m_widgetStyle)
-            ApplyWidgetStyle();
+        ApplyWidgetStyle();
     }
 
     gtk_widget_show( list_item );
@@ -298,6 +308,8 @@ int wxComboBox::DoInsert( const wxString &item, int pos )
     m_clientObjectList.Insert( pos, (wxObject*) NULL );
 
     EnableEvents();
+    
+    InvalidateBestSize();
 
     return pos;
 }
@@ -363,6 +375,8 @@ void wxComboBox::Clear()
     m_clientDataList.Clear();
 
     EnableEvents();
+
+    InvalidateBestSize();
 }
 
 void wxComboBox::Delete( int n )
@@ -398,6 +412,8 @@ void wxComboBox::Delete( int n )
         m_clientDataList.Erase( node );
     
     EnableEvents();
+    
+    InvalidateBestSize();
 }
 
 void wxComboBox::SetString(int n, const wxString &text)
@@ -417,6 +433,8 @@ void wxComboBox::SetString(int n, const wxString &text)
     {
         wxFAIL_MSG( wxT("wxComboBox: wrong index") );
     }
+    
+    InvalidateBestSize();
 }
 
 int wxComboBox::FindString( const wxString &item ) const
@@ -579,6 +597,8 @@ void wxComboBox::SetValue( const wxString& value )
     wxString tmp = wxT("");
     if (!value.IsNull()) tmp = value;
     gtk_entry_set_text( GTK_ENTRY(entry), wxGTK_CONV( tmp ) );
+    
+    InvalidateBestSize();
 }
 
 void wxComboBox::Copy()
@@ -711,33 +731,33 @@ void wxComboBox::EnableEvents()
 
 void wxComboBox::OnSize( wxSizeEvent &event )
 {
-    event.Skip();
+    // NB: In some situations (e.g. on non-first page of a wizard, if the
+    //     size used is default size), GtkCombo widget is resized correctly,
+    //     but it's look is not updated, it's rendered as if it was much wider.
+    //     No other widgets are affected, so it looks like a bug in GTK+.
+    //     Manually requesting resize calculation (as gtk_pizza_set_size does)
+    //     fixes it.
+    if (GTK_WIDGET_VISIBLE(m_widget))
+        gtk_widget_queue_resize(m_widget);
 
-#if 0
-    int w = 21;
-    gtk_widget_set_usize( GTK_COMBO(m_widget)->entry, m_width-w-1, m_height );
-
-    gtk_widget_set_uposition( GTK_COMBO(m_widget)->button, m_x+m_width-w, m_y );
-    gtk_widget_set_usize( GTK_COMBO(m_widget)->button, w, m_height );
-#endif // 0
+    event.Skip();
 }
 
-void wxComboBox::ApplyWidgetStyle()
+void wxComboBox::DoApplyWidgetStyle(GtkRcStyle *style)
 {
-    SetWidgetStyle();
+//    gtk_widget_modify_style( GTK_COMBO(m_widget)->button, syle );
 
-//    gtk_widget_set_style( GTK_COMBO(m_widget)->button, m_widgetStyle );
-    gtk_widget_set_style( GTK_COMBO(m_widget)->entry, m_widgetStyle );
-    gtk_widget_set_style( GTK_COMBO(m_widget)->list, m_widgetStyle );
+    gtk_widget_modify_style( GTK_COMBO(m_widget)->entry, style );
+    gtk_widget_modify_style( GTK_COMBO(m_widget)->list, style );
 
     GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
     GList *child = list->children;
     while (child)
     {
-        gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
+        gtk_widget_modify_style( GTK_WIDGET(child->data), style );
 
         GtkBin *bin = GTK_BIN(child->data);
-        gtk_widget_set_style( bin->child, m_widgetStyle );
+        gtk_widget_modify_style( bin->child, style );
 
         child = child->next;
     }
@@ -760,7 +780,6 @@ wxSize wxComboBox::DoGetBestSize() const
 
     // we know better our horizontal extent: it depends on the longest string
     // in the combobox
-    ret.x = 0;
     if ( m_widget )
     {
         int width;
@@ -776,6 +795,8 @@ wxSize wxComboBox::DoGetBestSize() const
     // empty combobox should have some reasonable default size too
     if ( ret.x < 100 )
         ret.x = 100;
+
+    CacheBestSize(ret);
     return ret;
 }