scrolling to selection

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

diff --git a/src/gtk/choice.cpp b/src/gtk/choice.cpp
index d6bac5341e0906d234a1a7b299175d9806983343..384f8b5d0048366b24c45f4d8736dff21b23c026 100644 (file)
--- a/src/gtk/choice.cpp
+++ b/src/gtk/choice.cpp
@@ -73,6 +73,18 @@ wxChoice::wxChoice()
     m_strings = (wxSortedArrayString *)NULL;
 }
 
+bool wxChoice::Create( wxWindow *parent, wxWindowID id,
+                       const wxPoint &pos, const wxSize &size,
+                       const wxArrayString& choices,
+                       long style, const wxValidator& validator,
+                       const wxString &name )
+{
+    wxCArrayString chs(choices);
+
+    return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(),
+                   style, validator, name );
+}
+
 bool wxChoice::Create( wxWindow *parent, wxWindowID id,
                        const wxPoint &pos, const wxSize &size,
                        int n, const wxString choices[],
@@ -110,16 +122,8 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id,
 
     m_parent->DoAddChild( this );
 
-    PostCreation();
-
-    SetFont( parent->GetFont() );
-
-    SetBestSize(size);
-
-    SetBackgroundColour( parent->GetBackgroundColour() );
-    SetForegroundColour( parent->GetForegroundColour() );
-
-    Show( TRUE );
+    PostCreation(size);
+    SetBestSize(size); // need this too because this is a wxControlWithItems
 
     return TRUE;
 }
@@ -227,18 +231,49 @@ void wxChoice::Delete( int n )
     wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
 
     // VZ: apparently GTK+ doesn't have a built-in function to do it (not even
-    //     in 2.0), hence this dump implementation - still better than nothing
+    //     in 2.0), hence this dumb implementation -- still better than nothing
     int i,
         count = GetCount();
 
     wxCHECK_RET( n >= 0 && n < count, _T("invalid index in wxChoice::Delete") );
 
+    const bool hasClientData = m_clientDataItemsType != wxClientData_None;
+    const bool hasObjectData = m_clientDataItemsType == wxClientData_Object;
+
+    wxList::compatibility_iterator node = m_clientList.GetFirst();
+
     wxArrayString items;
+    wxArrayPtrVoid itemsData;
     items.Alloc(count);
     for ( i = 0; i < count; i++ )
     {
         if ( i != n )
+        {
             items.Add(GetString(i));
+            if ( hasClientData )
+            {
+                // also save the client data
+                itemsData.Add(node->GetData());
+            }
+        }
+        else // need to delete the client object too
+        {
+            if ( hasObjectData )
+            {
+                delete (wxClientData *)node->GetData();
+            }
+        }
+
+        if ( hasClientData )
+        {
+            node = node->GetNext();
+        }
+    }
+
+    if ( hasObjectData )
+    {
+        // prevent Clear() from destroying all client data
+        m_clientDataItemsType = wxClientData_None;
     }
 
     Clear();
@@ -246,6 +281,11 @@ void wxChoice::Delete( int n )
     for ( i = 0; i < count - 1; i++ )
     {
         Append(items[i]);
+
+        if ( hasObjectData )
+            SetClientObject(i, (wxClientData *)itemsData[i]);
+        else if ( hasClientData )
+            SetClientData(i, itemsData[i]);
     }
 }
 
@@ -269,7 +309,7 @@ int wxChoice::FindString( const wxString &string ) const
             label = GTK_LABEL( BUTTON_CHILD(m_widget) );
 
         wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
-        
+
 #ifdef __WXGTK20__
          wxString tmp( wxGTK_CONV_BACK( gtk_label_get_text( label) ) );
 #else
@@ -288,15 +328,15 @@ int wxChoice::FindString( const wxString &string ) const
 int wxChoice::GetSelection() const
 {
     wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
-    
+
 #ifdef __WXGTK20__
 
     return gtk_option_menu_get_history( GTK_OPTION_MENU(m_widget) );
-    
+
 #else
     GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
     int count = 0;
-    
+
     GList *child = menu_shell->children;
     while (child)
     {
@@ -310,11 +350,33 @@ int wxChoice::GetSelection() const
 #endif
 }
 
-void wxChoice::SetString( int WXUNUSED(n), const wxString& WXUNUSED(string) )
+void wxChoice::SetString( int n, const wxString& str )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
 
-    wxFAIL_MSG(wxT("not implemented"));
+    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
+    int count = 0;
+    GList *child = menu_shell->children;
+    while (child)
+    {
+        GtkBin *bin = GTK_BIN( child->data );
+        if (count == n)
+        {
+            GtkLabel *label = (GtkLabel *) NULL;
+            if (bin->child)
+                label = GTK_LABEL(bin->child);
+            if (!label)
+                label = GTK_LABEL( BUTTON_CHILD(m_widget) );
+
+            wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
+
+            gtk_label_set_text( label, wxGTK_CONV( str ) ); 
+            
+            return;
+        }
+        child = child->next;
+        count++;
+    }
 }
 
 wxString wxChoice::GetString( int n ) const
@@ -476,7 +538,7 @@ wxSize wxChoice::DoGetBestSize() const
         size_t count = GetCount();
         for ( size_t n = 0; n < count; n++ )
         {
-            GetTextExtent( GetString(n), &width, NULL, NULL, NULL, &m_font );
+            GetTextExtent( GetString(n), &width, NULL, NULL, NULL );
             if ( width > ret.x )
                 ret.x = width;
         }
@@ -512,6 +574,13 @@ bool wxChoice::IsOwnGtkWindow( GdkWindow *window )
 #endif
 }
 
+// static
+wxVisualAttributes
+wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+    return GetDefaultAttributesFromGTKWidget(gtk_option_menu_new);
+}
+
 
 #endif // wxUSE_CHOICE