]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/renderer.cpp
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[wxWidgets.git] / src / msw / renderer.cpp
index 1fe0bf7374d13ef8acc78b1ad7da5838b75bbe96..9383a4b457444f024b8143181dae73ced6e92663 100644 (file)
 // compilers
 #ifndef CP_DROPDOWNBUTTON
     #define BP_PUSHBUTTON      1
+    #define BP_RADIOBUTTON     2
     #define BP_CHECKBOX        3
+    #define RBS_UNCHECKEDNORMAL 1
+    #define RBS_CHECKEDNORMAL   (RBS_UNCHECKEDNORMAL + 4)
+    #define RBS_MIXEDNORMAL     (RBS_CHECKEDNORMAL + 4)
     #define CBS_UNCHECKEDNORMAL 1
     #define CBS_CHECKEDNORMAL   (CBS_UNCHECKEDNORMAL + 4)
     #define CBS_MIXEDNORMAL     (CBS_CHECKEDNORMAL + 4)
     #define HP_HEADERSORTARROW  4
     #define HSAS_SORTEDUP       1
     #define HSAS_SORTEDDOWN     2
+
+    #define EP_EDITTEXT         1
+    #define ETS_NORMAL          1
+    #define ETS_HOT             2
+    #define ETS_SELECTED        3
+    #define ETS_DISABLED        4
+    #define ETS_FOCUSED         5
+    #define ETS_READONLY        6
+    #define ETS_ASSIST          7
+    #define TMT_FILLCOLOR       3802
+    #define TMT_TEXTCOLOR       3803
+    #define TMT_BORDERCOLOR     3801
+    #define TMT_EDGEFILLCOLOR   3808
+
+    #define WP_MINBUTTON 15
+    #define WP_MAXBUTTON 17
+    #define WP_CLOSEBUTTON 18
+    #define WP_RESTOREBUTTON 21
+    #define WP_HELPBUTTON 23
 #endif
 
 #if defined(__WXWINCE__)
     #define DFCS_HOT 0x1000
 #endif
 
+// ----------------------------------------------------------------------------
+// methods common to wxRendererMSW and wxRendererXP
+// ----------------------------------------------------------------------------
+
+class wxRendererMSWBase : public wxDelegateRendererNative
+{
+public:
+    wxRendererMSWBase() { }
+    wxRendererMSWBase(wxRendererNative& rendererNative)
+        : wxDelegateRendererNative(rendererNative) { }
+
+    void DrawFocusRect(wxWindow * win,
+                        wxDC& dc,
+                        const wxRect& rect,
+                        int flags = 0);
+
+    void DrawItemSelectionRect(wxWindow *win,
+                                wxDC& dc,
+                                const wxRect& rect,
+                                int flags = 0);
+};
+
 // ----------------------------------------------------------------------------
 // wxRendererMSW: wxRendererNative implementation for "old" Win32 systems
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxRendererMSW : public wxDelegateRendererNative
+class wxRendererMSW : public wxRendererMSWBase
 {
 public:
     wxRendererMSW() { }
@@ -109,22 +154,70 @@ public:
     virtual void DrawCheckBox(wxWindow *win,
                               wxDC& dc,
                               const wxRect& rect,
-                              int flags = 0);
+                              int flags = 0)
+    {
+        DoDrawButton(DFCS_BUTTONCHECK, win, dc, rect, flags);
+    }
 
     virtual void DrawPushButton(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,
                                 int flags = 0);
 
-    virtual void DrawFocusRect(wxWindow* win,
-                               wxDC& dc,
-                               const wxRect& rect,
-                               int flags = 0);
+    virtual void DrawChoice(wxWindow* win,
+                            wxDC& dc,
+                            const wxRect& rect,
+                            int flags = 0);
+
+    virtual void DrawComboBox(wxWindow* win,
+                              wxDC& dc,
+                              const wxRect& rect,
+                              int flags = 0);
+
+    virtual void DrawTextCtrl(wxWindow* win,
+                              wxDC& dc,
+                              const wxRect& rect,
+                              int flags = 0);
+
+    virtual void DrawRadioBitmap(wxWindow* win,
+                                 wxDC& dc,
+                                 const wxRect& rect,
+                                 int flags = 0)
+    {
+        DoDrawButton(DFCS_BUTTONRADIO, win, dc, rect, flags);
+    }
+
+    virtual void DrawTitleBarBitmap(wxWindow *win,
+                                    wxDC& dc,
+                                    const wxRect& rect,
+                                    wxTitleBarButton button,
+                                    int flags = 0);
+
+    virtual wxSize GetCheckBoxSize(wxWindow *win);
 
     virtual int GetHeaderButtonHeight(wxWindow *win);
 
 private:
-    DECLARE_NO_COPY_CLASS(wxRendererMSW)
+    // wrapper of DrawFrameControl()
+    void DoDrawFrameControl(UINT type,
+                            UINT kind,
+                            wxWindow *win,
+                            wxDC& dc,
+                            const wxRect& rect,
+                            int flags);
+
+    // common part of Draw{PushButton,CheckBox,RadioBitmap}(): wraps
+    // DrawFrameControl(DFC_BUTTON)
+    void DoDrawButton(UINT kind,
+                      wxWindow *win,
+                      wxDC& dc,
+                      const wxRect& rect,
+                      int flags)
+    {
+        DoDrawFrameControl(DFC_BUTTON, kind, win, dc, rect, flags);
+    }
+
+    wxDECLARE_NO_COPY_CLASS(wxRendererMSW);
 };
 
 // ----------------------------------------------------------------------------
@@ -133,10 +226,10 @@ private:
 
 #if wxUSE_UXTHEME
 
-class WXDLLEXPORT wxRendererXP : public wxDelegateRendererNative
+class wxRendererXP : public wxRendererMSWBase
 {
 public:
-    wxRendererXP() : wxDelegateRendererNative(wxRendererMSW::Get()) { }
+    wxRendererXP() : wxRendererMSWBase(wxRendererMSW::Get()) { }
 
     static wxRendererNative& Get();
 
@@ -168,26 +261,107 @@ public:
     virtual void DrawCheckBox(wxWindow *win,
                               wxDC& dc,
                               const wxRect& rect,
-                              int flags = 0);
+                              int flags = 0)
+    {
+        if ( !DoDrawXPButton(BP_CHECKBOX, win, dc, rect, flags) )
+            m_rendererNative.DrawCheckBox(win, dc, rect, flags);
+    }
 
     virtual void DrawPushButton(wxWindow *win,
                                 wxDC& dc,
                                 const wxRect& rect,
-                                int flags = 0);
+                                int flags = 0)
+    {
+        if ( !DoDrawXPButton(BP_PUSHBUTTON, win, dc, rect, flags) )
+            m_rendererNative.DrawPushButton(win, dc, rect, flags);
+    }
 
-    virtual void DrawItemSelectionRect(wxWindow *win,
-                                       wxDC& dc,
-                                       const wxRect& rect,
-                                       int flags = 0 );
+    virtual void DrawRadioBitmap(wxWindow *win,
+                                 wxDC& dc,
+                                 const wxRect& rect,
+                                 int flags = 0)
+    {
+        if ( !DoDrawXPButton(BP_RADIOBUTTON, win, dc, rect, flags) )
+            m_rendererNative.DrawRadioBitmap(win, dc, rect, flags);
+    }
 
+    virtual void DrawTitleBarBitmap(wxWindow *win,
+                                    wxDC& dc,
+                                    const wxRect& rect,
+                                    wxTitleBarButton button,
+                                    int flags = 0);
 
     virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win);
+
 private:
-    DECLARE_NO_COPY_CLASS(wxRendererXP)
+    // wrapper around DrawThemeBackground() translating flags to NORMAL/HOT/
+    // PUSHED/DISABLED states (and so suitable for drawing anything
+    // button-like)
+    void DoDrawButtonLike(HTHEME htheme,
+                          int part,
+                          wxDC& dc,
+                          const wxRect& rect,
+                          int flags);
+
+    // common part of DrawCheckBox(), DrawPushButton() and DrawRadioBitmap()
+    bool DoDrawXPButton(int kind,
+                        wxWindow *win,
+                        wxDC& dc,
+                        const wxRect& rect,
+                        int flags);
+
+    wxDECLARE_NO_COPY_CLASS(wxRendererXP);
 };
 
 #endif // wxUSE_UXTHEME
 
+
+// ============================================================================
+// wxRendererMSWBase implementation
+// ============================================================================
+
+void wxRendererMSWBase::DrawFocusRect(wxWindow * WXUNUSED(win),
+                                      wxDC& dc,
+                                      const wxRect& rect,
+                                      int WXUNUSED(flags))
+{
+    RECT rc;
+    wxCopyRectToRECT(rect, rc);
+
+    ::DrawFocusRect(GetHdcOf(dc.GetTempHDC()), &rc);
+}
+
+void wxRendererMSWBase::DrawItemSelectionRect(wxWindow *win,
+                                              wxDC& dc,
+                                              const wxRect& rect,
+                                              int flags)
+{
+    wxBrush brush;
+    if ( flags & wxCONTROL_SELECTED )
+    {
+        if ( flags & wxCONTROL_FOCUSED )
+        {
+            brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
+        }
+        else // !focused
+        {
+            brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
+        }
+    }
+    else // !selected
+    {
+        brush = *wxTRANSPARENT_BRUSH;
+    }
+
+    dc.SetBrush(brush);
+    dc.SetPen(*wxTRANSPARENT_PEN);
+    dc.DrawRectangle( rect );
+
+    if ((flags & wxCONTROL_FOCUSED) && (flags & wxCONTROL_CURRENT))
+        DrawFocusRect( win, dc, rect, flags );
+}
+
+
 // ============================================================================
 // wxRendererNative and wxRendererMSW implementation
 // ============================================================================
@@ -227,19 +401,21 @@ wxRendererMSW::DrawComboBoxDropButton(wxWindow * WXUNUSED(win),
     if ( flags & wxCONTROL_PRESSED )
         style |= DFCS_PUSHED | DFCS_FLAT;
 
-    ::DrawFrameControl(GetHdcOf(dc), &r, DFC_SCROLL, style);
+    ::DrawFrameControl(GetHdcOf(dc.GetTempHDC()), &r, DFC_SCROLL, style);
 }
 
 void
-wxRendererMSW::DrawCheckBox(wxWindow * WXUNUSED(win),
-                            wxDC& dc,
-                            const wxRect& rect,
-                            int flags)
+wxRendererMSW::DoDrawFrameControl(UINT type,
+                                  UINT kind,
+                                  wxWindow * WXUNUSED(win),
+                                  wxDC& dc,
+                                  const wxRect& rect,
+                                  int flags)
 {
     RECT r;
     wxCopyRectToRECT(rect, r);
 
-    int style = DFCS_BUTTONCHECK;
+    int style = kind;
     if ( flags & wxCONTROL_CHECKED )
         style |= DFCS_CHECKED;
     if ( flags & wxCONTROL_DISABLED )
@@ -251,22 +427,16 @@ wxRendererMSW::DrawCheckBox(wxWindow * WXUNUSED(win),
     if ( flags & wxCONTROL_CURRENT )
         style |= DFCS_HOT;
 
-    ::DrawFrameControl(GetHdcOf(dc), &r, DFC_BUTTON, style);
+    ::DrawFrameControl(GetHdcOf(dc.GetTempHDC()), &r, type, style);
 }
 
 void
-wxRendererMSW::DrawPushButton(wxWindow * WXUNUSED(win),
+wxRendererMSW::DrawPushButton(wxWindow *win,
                               wxDC& dc,
                               const wxRect& rectOrig,
                               int flags)
 {
     wxRect rect(rectOrig);
-
-    int style = DFCS_BUTTONPUSH;
-    if ( flags & wxCONTROL_DISABLED )
-        style |= DFCS_INACTIVE;
-    if ( flags & wxCONTROL_PRESSED )
-        style |= DFCS_PUSHED | DFCS_FLAT;
     if ( flags & wxCONTROL_ISDEFAULT )
     {
         // DrawFrameControl() doesn't seem to support default buttons so we
@@ -277,21 +447,51 @@ wxRendererMSW::DrawPushButton(wxWindow * WXUNUSED(win),
         rect.Deflate(1);
     }
 
-    RECT rc;
-    wxCopyRectToRECT(rect, rc);
-
-    ::DrawFrameControl(GetHdcOf(dc), &rc, DFC_BUTTON, style);
+    DoDrawButton(DFCS_BUTTONPUSH, win, dc, rect, flags);
 }
 
-void wxRendererMSW::DrawFocusRect(wxWindow * WXUNUSED(win),
+void
+wxRendererMSW::DrawTitleBarBitmap(wxWindow *win,
                                   wxDC& dc,
                                   const wxRect& rect,
-                                  int WXUNUSED(flags))
+                                  wxTitleBarButton button,
+                                  int flags)
 {
-    RECT rc;
-    wxCopyRectToRECT(rect, rc);
+    UINT kind;
+    switch ( button )
+    {
+        case wxTITLEBAR_BUTTON_CLOSE:
+            kind = DFCS_CAPTIONCLOSE;
+            break;
+
+        case wxTITLEBAR_BUTTON_MAXIMIZE:
+            kind = DFCS_CAPTIONMAX;
+            break;
+
+        case wxTITLEBAR_BUTTON_ICONIZE:
+            kind = DFCS_CAPTIONMIN;
+            break;
+
+        case wxTITLEBAR_BUTTON_RESTORE:
+            kind = DFCS_CAPTIONRESTORE;
+            break;
+
+        case wxTITLEBAR_BUTTON_HELP:
+            kind = DFCS_CAPTIONHELP;
+            break;
+
+        default:
+            wxFAIL_MSG( "unsupported title bar button" );
+            return;
+    }
+
+    DoDrawFrameControl(DFC_CAPTION, kind, win, dc, rect, flags);
+}
 
-    ::DrawFocusRect(GetHdcOf(dc), &rc);
+wxSize wxRendererMSW::GetCheckBoxSize(wxWindow * WXUNUSED(win))
+{
+    return wxSize(::GetSystemMetrics(SM_CXMENUCHECK),
+                  ::GetSystemMetrics(SM_CYMENUCHECK));
 }
 
 int wxRendererMSW::GetHeaderButtonHeight(wxWindow * WXUNUSED(win))
@@ -311,12 +511,73 @@ int wxRendererMSW::GetHeaderButtonHeight(wxWindow * WXUNUSED(win))
 
     // initialize the struct filled with the values by Header_Layout()
     RECT parentRect = { 0, 0, 100, 100 };
-    WINDOWPOS wp = { 0 };
+    WINDOWPOS wp = { 0, 0, 0, 0, 0, 0, 0 };
     HDLAYOUT hdl = { &parentRect, &wp };
 
     return Header_Layout(hwndHeader, &hdl) ? wp.cy : DEFAULT_HEIGHT;
 }
 
+// Uses the theme to draw the border and fill for something like a wxTextCtrl
+void wxRendererMSW::DrawTextCtrl(wxWindow* win, wxDC& dc, const wxRect& rect, int flags)
+{
+    wxColour fill;
+    wxColour bdr;
+    COLORREF cref;
+
+#if wxUSE_UXTHEME
+    wxUxThemeHandle hTheme(win, L"EDIT");
+    if (hTheme)
+    {
+        wxUxThemeEngine::Get()->GetThemeColor(hTheme, EP_EDITTEXT,
+                                              ETS_NORMAL, TMT_FILLCOLOR, &cref);
+        fill = wxRGBToColour(cref);
+
+        int etsState;
+        if ( flags & wxCONTROL_DISABLED )
+            etsState = ETS_DISABLED;
+        else
+            etsState = ETS_NORMAL;
+
+        wxUxThemeEngine::Get()->GetThemeColor(hTheme, EP_EDITTEXT,
+                                              etsState, TMT_BORDERCOLOR, &cref);
+        bdr = wxRGBToColour(cref);
+    }
+    else
+#endif
+    {
+        fill = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
+        bdr = *wxBLACK;
+    }
+
+    dc.SetPen( bdr );
+    dc.SetBrush( fill );
+    dc.DrawRectangle(rect);
+}
+
+
+// Draw the equivalent of a wxComboBox
+void wxRendererMSW::DrawComboBox(wxWindow* win, wxDC& dc, const wxRect& rect, int flags)
+{
+    // Draw the main part of the control same as TextCtrl
+    DrawTextCtrl(win, dc, rect, flags);
+
+    // Draw the button inside the border, on the right side
+    wxRect br(rect);
+    br.height -= 2;
+    br.x += br.width - br.height - 1;
+    br.width = br.height;
+    br.y += 1;
+
+    DrawComboBoxDropButton(win, dc, br, flags);
+}
+
+
+void wxRendererMSW::DrawChoice(wxWindow* win, wxDC& dc,
+                           const wxRect& rect, int flags)
+{
+    DrawComboBox(win, dc, rect, flags);
+}
+
 // ============================================================================
 // wxRendererXP implementation
 // ============================================================================
@@ -363,7 +624,7 @@ wxRendererXP::DrawComboBoxDropButton(wxWindow * win,
     wxUxThemeEngine::Get()->DrawThemeBackground
                             (
                                 hTheme,
-                                GetHdcOf(dc),
+                                GetHdcOf(dc.GetTempHDC()),
                                 CP_DROPDOWNBUTTON,
                                 state,
                                 &r,
@@ -399,7 +660,7 @@ wxRendererXP::DrawHeaderButton(wxWindow *win,
     wxUxThemeEngine::Get()->DrawThemeBackground
                             (
                                 hTheme,
-                                GetHdcOf(dc),
+                                GetHdcOf(dc.GetTempHDC()),
                                 HP_HEADERITEM,
                                 state,
                                 &r,
@@ -435,7 +696,7 @@ wxRendererXP::DrawTreeItemButton(wxWindow *win,
     wxUxThemeEngine::Get()->DrawThemeBackground
                             (
                                 hTheme,
-                                GetHdcOf(dc),
+                                GetHdcOf(dc.GetTempHDC()),
                                 TVP_GLYPH,
                                 state,
                                 &r,
@@ -443,50 +704,69 @@ wxRendererXP::DrawTreeItemButton(wxWindow *win,
                             );
 }
 
-void
-wxRendererXP::DrawCheckBox(wxWindow *win,
-                           wxDC& dc,
-                           const wxRect& rect,
-                           int flags)
+bool
+wxRendererXP::DoDrawXPButton(int kind,
+                             wxWindow *win,
+                             wxDC& dc,
+                             const wxRect& rect,
+                             int flags)
 {
     wxUxThemeHandle hTheme(win, L"BUTTON");
     if ( !hTheme )
-    {
-        m_rendererNative.DrawCheckBox(win, dc, rect, flags);
-        return;
-    }
+        return false;
+
+    DoDrawButtonLike(hTheme, kind, dc, rect, flags);
 
+    return true;
+}
+
+void
+wxRendererXP::DoDrawButtonLike(HTHEME htheme,
+                               int part,
+                               wxDC& dc,
+                               const wxRect& rect,
+                               int flags)
+{
     RECT r;
     wxCopyRectToRECT(rect, r);
 
-    int state;
-    if ( flags & wxCONTROL_CHECKED )
-        state = CBS_CHECKEDNORMAL;
-    else if ( flags & wxCONTROL_UNDETERMINED )
-        state = CBS_MIXEDNORMAL;
-    else
-        state = CBS_UNCHECKEDNORMAL;
+    // the base state is always 1, whether it is PBS_NORMAL,
+    // {CBS,RBS}_UNCHECKEDNORMAL or CBS_NORMAL
+    int state = 1;
 
-    // CBS_XXX is followed by CBX_XXXHOT, then CBS_XXXPRESSED and DISABLED
+    // XBS_XXX is followed by XBX_XXXHOT, then XBS_XXXPRESSED and DISABLED
     enum
     {
-        CBS_HOT_OFFSET = 1,
-        CBS_PRESSED_OFFSET = 2,
-        CBS_DISABLED_OFFSET = 3
+        NORMAL_OFFSET,
+        HOT_OFFSET,
+        PRESSED_OFFSET,
+        DISABLED_OFFSET,
+        STATES_COUNT
     };
 
+    // in both RBS_ and CBS_ enums CHECKED elements are offset by 4 from base
+    // (UNCHECKED) ones and MIXED are offset by 4 again as there are all states
+    // from the above enum in between them
+    if ( flags & wxCONTROL_CHECKED )
+        state += STATES_COUNT;
+    else if ( flags & wxCONTROL_UNDETERMINED )
+        state += 2*STATES_COUNT;
+
     if ( flags & wxCONTROL_DISABLED )
-        state += CBS_DISABLED_OFFSET;
+        state += DISABLED_OFFSET;
     else if ( flags & wxCONTROL_PRESSED )
-        state += CBS_PRESSED_OFFSET;
+        state += PRESSED_OFFSET;
     else if ( flags & wxCONTROL_CURRENT )
-        state += CBS_HOT_OFFSET;
+        state += HOT_OFFSET;
+    // wxCONTROL_ISDEFAULT flag is only valid for push buttons
+    else if ( part == BP_PUSHBUTTON && (flags & wxCONTROL_ISDEFAULT) )
+        state = PBS_DEFAULTED;
 
     wxUxThemeEngine::Get()->DrawThemeBackground
                             (
-                                hTheme,
-                                GetHdcOf(dc),
-                                BP_CHECKBOX,
+                                htheme,
+                                GetHdcOf(dc.GetTempHDC()),
+                                part,
                                 state,
                                 &r,
                                 NULL
@@ -494,79 +774,50 @@ wxRendererXP::DrawCheckBox(wxWindow *win,
 }
 
 void
-wxRendererXP::DrawPushButton(wxWindow * win,
-                             wxDC& dc,
-                             const wxRect& rect,
-                             int flags)
+wxRendererXP::DrawTitleBarBitmap(wxWindow *win,
+                                 wxDC& dc,
+                                 const wxRect& rect,
+                                 wxTitleBarButton button,
+                                 int flags)
 {
-    wxUxThemeHandle hTheme(win, L"BUTTON");
+    wxUxThemeHandle hTheme(win, L"WINDOW");
     if ( !hTheme )
     {
-        m_rendererNative.DrawPushButton(win, dc, rect, flags);
+        m_rendererNative.DrawTitleBarBitmap(win, dc, rect, button, flags);
         return;
     }
 
-    RECT r;
-    wxCopyRectToRECT(rect, r);
+    int part;
+    switch ( button )
+    {
+        case wxTITLEBAR_BUTTON_CLOSE:
+            part = WP_CLOSEBUTTON;
+            break;
 
-    int state;
-    if ( flags & wxCONTROL_PRESSED )
-        state = PBS_PRESSED;
-    else if ( flags & wxCONTROL_CURRENT )
-        state = PBS_HOT;
-    else if ( flags & wxCONTROL_DISABLED )
-        state = PBS_DISABLED;
-    else if ( flags & wxCONTROL_ISDEFAULT )
-        state = PBS_DEFAULTED;
-    else
-        state = PBS_NORMAL;
+        case wxTITLEBAR_BUTTON_MAXIMIZE:
+            part = WP_MAXBUTTON;
+            break;
 
-    wxUxThemeEngine::Get()->DrawThemeBackground
-                            (
-                                hTheme,
-                                GetHdcOf(dc),
-                                BP_PUSHBUTTON,
-                                state,
-                                &r,
-                                NULL
-                            );
+        case wxTITLEBAR_BUTTON_ICONIZE:
+            part = WP_MINBUTTON;
+            break;
 
-}
+        case wxTITLEBAR_BUTTON_RESTORE:
+            part = WP_RESTOREBUTTON;
+            break;
 
-void
-wxRendererXP::DrawItemSelectionRect(wxWindow * WXUNUSED(win),
-                                    wxDC& dc,
-                                    const wxRect& rect,
-                                    int flags)
-{
-    wxBrush brush;
-    if ( flags & wxCONTROL_SELECTED )
-    {
-        if ( flags & wxCONTROL_FOCUSED )
-        {
-            brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT));
-        }
-        else // !focused
-        {
-            brush = wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW));
-        }
-    }
-    else // !selected
-    {
-        brush = *wxTRANSPARENT_BRUSH;
-    }
+        case wxTITLEBAR_BUTTON_HELP:
+            part = WP_HELPBUTTON;
+            break;
 
-    dc.SetBrush(brush);
-
-    // unlike for wxRendererGeneric, on windows we _never_ want to draw
-    // the outline of the rectangle:
-    dc.SetPen(*wxTRANSPARENT_PEN);
+        default:
+            wxFAIL_MSG( "unsupported title bar button" );
+            return;
+    }
 
-    dc.DrawRectangle( rect );
+    DoDrawButtonLike(hTheme, part, dc, rect, flags);
 }
 
-
-
 // ----------------------------------------------------------------------------
 // splitter drawing
 // ----------------------------------------------------------------------------