don't append anything back in DoDeleteOneItem() if the control becomes empty (fixes...

[wxWidgets.git] / src / msw / combo.cpp

diff --git a/src/msw/combo.cpp b/src/msw/combo.cpp
index c02a3ee3453dd70ef7fee9edff26464b455a546c..72b053da4516681b7489e75fddb30a9307d054e6 100644 (file)
--- a/src/msw/combo.cpp
+++ b/src/msw/combo.cpp
@@ -38,7 +38,10 @@
 #include "wx/combo.h"
 
 #include "wx/msw/registry.h"
+#if wxUSE_UXTHEME
 #include "wx/msw/uxtheme.h"
+#endif
+#include "wx/msw/dc.h"
 
 // Change to #if 1 to include tmschema.h for easier testing of theme
 // parameters.
@@ -159,10 +162,13 @@ bool wxComboCtrl::Create(wxWindow *parent,
     // Set border
     long border = style & wxBORDER_MASK;
 
+#if wxUSE_UXTHEME
     wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
+#endif
 
     if ( !border )
     {
+#if wxUSE_UXTHEME
         if ( theme )
         {
             // For XP, have 1-width custom border, for older version use sunken
@@ -170,6 +176,7 @@ bool wxComboCtrl::Create(wxWindow *parent,
             m_widthCustomBorder = 1;
         }
         else
+#endif
             border = wxBORDER_SUNKEN;
 
         style = (style & ~(wxBORDER_MASK)) | border;
@@ -186,11 +193,13 @@ bool wxComboCtrl::Create(wxWindow *parent,
                            name) )
         return false;
 
+#if wxUSE_UXTHEME
     if ( theme )
     {
         if ( ::wxGetWinVersion() >= wxWinVersion_Vista )
             m_iFlags |= wxCC_BUTTON_STAYS_DOWN |wxCC_BUTTON_COVERS_BORDER;
     }
+#endif
 
     if ( style & wxCC_STD_BUTTON )
         m_iFlags |= wxCC_POPUP_ON_MOUSE_UP;
@@ -216,22 +225,38 @@ wxComboCtrl::~wxComboCtrl()
 
 void wxComboCtrl::OnThemeChange()
 {
-    wxUxThemeEngine* theme = wxUxThemeEngine::GetIfActive();
+    // there doesn't seem to be any way to get the text colour using themes
+    // API: TMT_TEXTCOLOR doesn't work neither for EDIT nor COMBOBOX
+    SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
+
+#if wxUSE_UXTHEME
+    wxUxThemeEngine * const theme = wxUxThemeEngine::GetIfActive();
     if ( theme )
     {
-        wxUxThemeHandle hTheme(this, L"COMBOBOX");
-
+        // NB: use EDIT, not COMBOBOX (the latter works in XP but not Vista)
+        wxUxThemeHandle hTheme(this, L"EDIT");
         COLORREF col;
-        theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_FILLCOLOR,&col);
-        SetBackgroundColour(wxRGBToColour(col));
-        theme->GetThemeColor(hTheme,EP_EDITTEXT,ETS_NORMAL,TMT_TEXTCOLOR,&col);
-        SetForegroundColour(wxRGBToColour(col));
-    }
-    else
-    {
-        SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
-        SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
+        HRESULT hr = theme->GetThemeColor
+                            (
+                                hTheme,
+                                EP_EDITTEXT,
+                                ETS_NORMAL,
+                                TMT_FILLCOLOR,
+                                &col
+                            );
+        if ( SUCCEEDED(hr) )
+        {
+            SetBackgroundColour(wxRGBToColour(col));
+
+            // skip the call below
+            return;
+        }
+
+        wxLogApiError(_T("GetThemeColor(EDIT, ETS_NORMAL, TMT_FILLCOLOR)"), hr);
     }
+#endif
+
+    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 }
 
 void wxComboCtrl::OnResize()
@@ -242,12 +267,14 @@ void wxComboCtrl::OnResize()
     int textCtrlXAdjust;
     int textCtrlYAdjust;
 
+#if wxUSE_UXTHEME
     if ( wxUxThemeEngine::GetIfActive() )
     {
         textCtrlXAdjust = TEXTCTRLXADJUST_XP;
         textCtrlYAdjust = TEXTCTRLYADJUST_XP;
     }
     else
+#endif
     {
         textCtrlXAdjust = TEXTCTRLXADJUST_CLASSIC;
         textCtrlYAdjust = TEXTCTRLYADJUST_CLASSIC;
@@ -306,7 +333,9 @@ static void wxMSWDrawFocusRect( wxDC& dc, const wxRect& rect )
 void
 wxComboCtrl::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
 {
+#if wxUSE_UXTHEME
     wxUxThemeHandle hTheme(this, L"COMBOBOX");
+#endif
 
     wxSize sz = GetClientSize();
     bool isEnabled;
@@ -322,6 +351,7 @@ wxComboCtrl::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
         isEnabled = IsEnabled();
         doDrawFocusRect = ShouldDrawFocus();
 
+#if wxUSE_UXTHEME
         // Windows-style: for smaller size control (and for disabled background) use less spacing
         if ( hTheme )
         {
@@ -330,6 +360,7 @@ wxComboCtrl::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
             focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
         }
         else
+#endif
         {
             // Classic Theme
             if ( isEnabled )
@@ -444,10 +475,13 @@ void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
 
     const wxRect& rectButton = m_btnArea;
     wxRect rectTextField = m_tcArea;
-    const bool isEnabled = IsEnabled();
     wxColour bgCol = GetBackgroundColour();
 
-    HDC hDc = GetHdcOf(dc);
+#if wxUSE_UXTHEME
+    const bool isEnabled = IsEnabled();
+
+    wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+    HDC hDc = GetHdcOf(*impl);
     HWND hWnd = GetHwndOf(this);
 
     wxUxThemeEngine* theme = NULL;
@@ -455,6 +489,7 @@ void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
 
     if ( hTheme )
         theme = wxUxThemeEngine::GetIfActive();
+#endif // wxUSE_UXTHEME
 
     wxRect borderRect(0,0,sz.x,sz.y);
 
@@ -466,6 +501,7 @@ void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
 
     int drawButFlags = 0;
 
+#if wxUSE_UXTHEME
     if ( hTheme )
     {
         const bool useVistaComboBox = ::wxGetWinVersion() >= wxWinVersion_Vista;
@@ -610,6 +646,7 @@ void wxComboCtrl::OnPaintEvent( wxPaintEvent& WXUNUSED(event) )
         }
     }
     else
+#endif
     {
         // Windows 2000 and earlier
         drawButFlags = Button_PaintBackground;
@@ -805,8 +842,10 @@ bool wxComboCtrl::AnimateShow( const wxRect& rect, int flags )
 
 wxCoord wxComboCtrl::GetNativeTextIndent() const
 {
+#if wxUSE_UXTHEME
     if ( wxUxThemeEngine::GetIfActive() )
         return NATIVE_TEXT_INDENT_XP;
+#endif
     return NATIVE_TEXT_INDENT_CLASSIC;
 }
 
@@ -833,8 +872,10 @@ bool wxComboCtrl::IsKeyPopupToggle(const wxKeyEvent& event) const
             // popup but Alt-arrow does
             if ( event.AltDown() ||
                     ( !isPopupShown &&
-                      HasFlag(wxCB_READONLY) &&
-                      !wxUxThemeEngine::GetIfActive()
+                      HasFlag(wxCB_READONLY)
+#if wxUSE_UXTHEME
+                      && !wxUxThemeEngine::GetIfActive()
+#endif
                     ) )
             {
                 return true;