X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0f4a54a6556d348d4c9dd9e46a54d5f30fdbaa3b..293656292f058603a996b136eee9c7fefc6d3350:/src/gtk/dataview.cpp

diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index 01ba4e009c..e27c908000 100644
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -1835,7 +1835,7 @@ wxDataViewCellMode wxDataViewRenderer::GetMode() const
     return ret;
 }
 
-void wxDataViewRenderer::GtkUpdateAlignment()
+void wxDataViewRenderer::GtkApplyAlignment(GtkCellRenderer *renderer)
 {
     int align = m_alignment;
 
@@ -1861,7 +1861,7 @@ void wxDataViewRenderer::GtkUpdateAlignment()
     GValue gvalue = { 0, };
     g_value_init( &gvalue, G_TYPE_FLOAT );
     g_value_set_float( &gvalue, xalign );
-    g_object_set_property( G_OBJECT(m_renderer), "xalign", &gvalue );
+    g_object_set_property( G_OBJECT(renderer), "xalign", &gvalue );
     g_value_unset( &gvalue );
 
     // vertical alignment:
@@ -1875,7 +1875,7 @@ void wxDataViewRenderer::GtkUpdateAlignment()
     GValue gvalue2 = { 0, };
     g_value_init( &gvalue2, G_TYPE_FLOAT );
     g_value_set_float( &gvalue2, yalign );
-    g_object_set_property( G_OBJECT(m_renderer), "yalign", &gvalue2 );
+    g_object_set_property( G_OBJECT(renderer), "yalign", &gvalue2 );
     g_value_unset( &gvalue2 );
 }
 
@@ -2359,14 +2359,20 @@ wxDataViewCustomRenderer::wxDataViewCustomRenderer( const wxString &varianttype,
         Init(mode, align);
 }
 
+void wxDataViewCustomRenderer::GtkInitTextRenderer()
+{
+    m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
+    g_object_ref_sink(m_text_renderer);
+
+    GtkApplyAlignment(GTK_CELL_RENDERER(m_text_renderer));
+}
+
 GtkCellRendererText *wxDataViewCustomRenderer::GtkGetTextRenderer() const
 {
     if ( !m_text_renderer )
     {
         // we create it on demand so need to do it even from a const function
-        const_cast<wxDataViewCustomRenderer *>(this)->
-        m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
-        g_object_ref_sink(m_text_renderer);
+        const_cast<wxDataViewCustomRenderer *>(this)->GtkInitTextRenderer();
     }
 
     return m_text_renderer;
@@ -2459,15 +2465,20 @@ wxDataViewProgressRenderer::wxDataViewProgressRenderer( const wxString &label,
     {
         m_renderer = (GtkCellRenderer*) gtk_cell_renderer_progress_new();
 
-        GValue gvalue = { 0, };
-        g_value_init( &gvalue, G_TYPE_STRING );
-
-        g_value_set_string( &gvalue, wxGTK_CONV_FONT( m_label, GetOwner()->GetOwner()->GetFont() ) );
-        g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
-        g_value_unset( &gvalue );
-
         SetMode(mode);
         SetAlignment(align);
+
+#if !wxUSE_UNICODE
+        // We can't initialize the renderer just yet because we don't have the
+        // pointer to the column that uses this renderer yet and so attempt to
+        // dereference GetOwner() to get the font that is used as a source of
+        // encoding in multibyte-to-Unicode conversion in GTKSetLabel() in
+        // non-Unicode builds would crash. So simply remember to do it later.
+        if ( !m_label.empty() )
+            m_needsToSetLabel = true;
+        else
+#endif // !wxUSE_UNICODE
+            GTKSetLabel();
     }
     else
 #endif
@@ -2481,11 +2492,36 @@ wxDataViewProgressRenderer::~wxDataViewProgressRenderer()
 {
 }
 
+void wxDataViewProgressRenderer::GTKSetLabel()
+{
+    GValue gvalue = { 0, };
+    g_value_init( &gvalue, G_TYPE_STRING );
+
+    // Take care to not use GetOwner() here if the label is empty, we can be
+    // called from ctor when GetOwner() is still NULL in this case.
+    g_value_set_string( &gvalue,
+                        m_label.empty() ? ""
+                                        : wxGTK_CONV_FONT(m_label,
+                                            GetOwner()->GetOwner()->GetFont())
+                      );
+    g_object_set_property( G_OBJECT(m_renderer), "text", &gvalue );
+    g_value_unset( &gvalue );
+
+#if !wxUSE_UNICODE
+    m_needsToSetLabel = false;
+#endif // !wxUSE_UNICODE
+}
+
 bool wxDataViewProgressRenderer::SetValue( const wxVariant &value )
 {
 #ifdef __WXGTK26__
     if (!gtk_check_version(2,6,0))
     {
+#if !wxUSE_UNICODE
+        if ( m_needsToSetLabel )
+            GTKSetLabel();
+#endif // !wxUSE_UNICODE
+
         gint tmp = (long) value;
         GValue gvalue = { 0, };
         g_value_init( &gvalue, G_TYPE_INT );
@@ -3542,6 +3578,7 @@ gboolean wxDataViewCtrlInternal::row_draggable( GtkTreeDragSource *WXUNUSED(drag
     GtkTreePath *path )
 {
     delete m_dragDataObject;
+    m_dragDataObject = NULL;
 
     wxDataViewItem item(GetOwner()->GTKPathToItem(path));
     if ( !item )