A little clarification

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

diff --git a/src/gtk/choice.cpp b/src/gtk/choice.cpp
index b04477bdd413790c13825defd7900669fef02254..f437527d6c265f1480b603c59861114d2679a0b4 100644 (file)
--- a/src/gtk/choice.cpp
+++ b/src/gtk/choice.cpp
@@ -8,7 +8,7 @@
 /////////////////////////////////////////////////////////////////////////////
 
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "choice.h"
 #endif
 
@@ -17,6 +17,7 @@
 #if wxUSE_CHOICE
 
 #include "wx/choice.h"
+#include "wx/arrstr.h"
 
 #include "wx/gtk/private.h"
 
@@ -110,14 +111,10 @@ bool wxChoice::Create( wxWindow *parent, wxWindowID id,
     m_parent->DoAddChild( this );
 
     PostCreation();
-
-    SetFont( parent->GetFont() );
+    InheritAttributes();
 
     SetBestSize(size);
 
-    SetBackgroundColour( parent->GetBackgroundColour() );
-    SetForegroundColour( parent->GetForegroundColour() );
-
     Show( TRUE );
 
     return TRUE;
@@ -156,7 +153,7 @@ void wxChoice::DoSetItemClientData( int n, void* clientData )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
 
-    wxNode *node = m_clientList.Item( n );
+    wxList::compatibility_iterator node = m_clientList.Item( n );
     wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") );
 
     node->SetData( (wxObject*) clientData );
@@ -166,7 +163,7 @@ void* wxChoice::DoGetItemClientData( int n ) const
 {
     wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") );
 
-    wxNode *node = m_clientList.Item( n );
+    wxList::compatibility_iterator node = m_clientList.Item( n );
     wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") );
 
     return node->GetData();
@@ -176,7 +173,7 @@ void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
 {
     wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
 
-    wxNode *node = m_clientList.Item( n );
+    wxList::compatibility_iterator node = m_clientList.Item( n );
     wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") );
 
     // wxItemContainer already deletes data for us
@@ -188,7 +185,7 @@ wxClientData* wxChoice::DoGetItemClientObject( int n ) const
 {
     wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") );
 
-    wxNode *node = m_clientList.Item( n );
+    wxList::compatibility_iterator node = m_clientList.Item( n );
     wxCHECK_MSG( node, (wxClientData *)NULL,
                  wxT("invalid index in wxChoice::DoGetItemClientObject") );
 
@@ -208,7 +205,7 @@ void wxChoice::Clear()
         // destroy the data (due to Robert's idea of using wxList<wxObject>
         // and not wxList<wxClientData> we can't just say
         // m_clientList.DeleteContents(TRUE) - this would crash!
-        wxNode *node = m_clientList.GetFirst();
+        wxList::compatibility_iterator node = m_clientList.GetFirst();
         while ( node )
         {
             delete (wxClientData *)node->GetData();
@@ -226,18 +223,49 @@ 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();
@@ -245,6 +273,11 @@ 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]);
     }
 }
 
@@ -268,7 +301,7 @@ 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
@@ -287,15 +320,15 @@ 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)
     {
@@ -309,11 +342,33 @@ 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