show default title if no custom one was specified instead of clearing it (patch 1829254)

[wxWidgets.git] / src / gtk1 / renderer.cpp

diff --git a/src/gtk1/renderer.cpp b/src/gtk1/renderer.cpp
index ebbb1e17b73e305d922f45c4238a972770ca9ce4..27ec163a205708e46f787dea337fc92ec2331a9b 100644 (file)
--- a/src/gtk1/renderer.cpp
+++ b/src/gtk1/renderer.cpp
@@ -183,7 +183,7 @@ wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win),
 
 void
 wxRendererGTK::DrawSplitterSash(wxWindow *win,
-                                wxDC& dc,
+                                wxDC& WXUNUSED(dc),
                                 const wxSize& size,
                                 wxCoord position,
                                 wxOrientation orient,
@@ -297,7 +297,7 @@ wxRendererGTK::DrawSplitterSash(wxWindow *win,
 }
 
 void
-wxRendererGTK::DrawDropArrow(wxWindow *win,
+wxRendererGTK::DrawDropArrow(wxWindow *WXUNUSED(win),
                              wxDC& dc,
                              const wxRect& rect,
                              int flags)
@@ -309,11 +309,9 @@ wxRendererGTK::DrawDropArrow(wxWindow *win,
     // work for wxMemoryDC. So that is why we assume wxDC
     // is wxWindowDC (wxClientDC, wxMemoryDC and wxPaintDC
     // are derived from it) and use its m_window.
-    wxWindowDC& wdc = (wxWindowDC&)dc;
-
-    // only doing debug-time checking here (it should
-    // probably be enough)
-    wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
+    GdkWindow* gdk_window = dc.GetGDKWindow();
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
 
     // draw arrow so that there is even space horizontally
     // on both sides
@@ -340,7 +338,7 @@ wxRendererGTK::DrawDropArrow(wxWindow *win,
     gtk_paint_arrow
     (
         button->style,
-        wdc.m_window,
+        gdk_window,
         state,
         flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
         NULL,
@@ -364,8 +362,9 @@ wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
     GtkWidget *button = GetButtonWidget();
 
     // for reason why we do this, see DrawDropArrow
-    wxWindowDC& wdc = (wxWindowDC&)dc;
-    wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) );
+    GdkWindow* gdk_window = dc.GetGDKWindow();
+    wxASSERT_MSG( gdk_window,
+                  wxT("cannot use wxRendererNative on wxDC of this type") );
 
     // draw button
     GtkStateType state;
@@ -382,7 +381,7 @@ wxRendererGTK::DrawComboBoxDropButton(wxWindow *win,
     gtk_paint_box
     (
         button->style,
-        wdc.m_window,
+        gdk_window,
         state,
         flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT,
         NULL,