Forward port of changes for using themed drawing of owner-drawn buttons.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39488 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/bmpbuttn.cpp

@@ -27,7 +27,27 @@
 
 #include "wx/msw/private.h"
 #include "wx/image.h"
-#include "wx/msw/uxtheme.h"
+
+#if wxUSE_UXTHEME
+    #include "wx/msw/uxtheme.h"
+
+    // no need to include tmschema.h
+    #ifndef BP_PUSHBUTTON
+        #define BP_PUSHBUTTON 1
+
+        #define PBS_NORMAL    1
+        #define PBS_HOT       2
+        #define PBS_PRESSED   3
+        #define PBS_DISABLED  4
+        #define PBS_DEFAULTED 5
+
+        #define TMT_CONTENTMARGINS 3602
+    #endif
+#endif // wxUSE_UXTHEME
+
+#ifndef ODS_NOFOCUSRECT
+    #define ODS_NOFOCUSRECT     0x0200
+#endif
 
 // ----------------------------------------------------------------------------
 // macros
@@ -119,8 +139,6 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id,
 
     parent->AddChild(this);
 
-    m_backgroundColour = parent->GetBackgroundColour();
-    m_foregroundColour = parent->GetForegroundColour();
     m_windowStyle = style;
 
     if ( style & wxBU_AUTODRAW )
@@ -226,6 +244,79 @@ void wxBitmapButton::OnSetBitmap()
     wxBitmapButtonBase::OnSetBitmap();
 }
 
+#if wxUSE_UXTHEME
+static
+void MSWDrawXPBackground(wxButton *button, WXDRAWITEMSTRUCT *wxdis)
+{
+    LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
+    HDC hdc = lpDIS->hDC;
+    UINT state = lpDIS->itemState;
+    RECT rectBtn;
+    CopyRect(&rectBtn, &lpDIS->rcItem);
+
+    wxUxThemeHandle theme(button, L"BUTTON");
+    int iState;
+
+    if ( state & ODS_SELECTED )
+    {
+        iState = PBS_PRESSED;
+    }
+    else if ( button->HasCapture() || button->IsMouseInWindow() )
+    {
+        iState = PBS_HOT;
+    }
+    else if ( state & ODS_FOCUS )
+    {
+        iState = PBS_DEFAULTED;
+    }
+    else if ( state & ODS_DISABLED )
+    {
+        iState = PBS_DISABLED;
+    }
+    else
+    {
+        iState = PBS_NORMAL;
+    }
+
+    // draw parent background if needed
+    if ( wxUxThemeEngine::Get()->IsThemeBackgroundPartiallyTransparent(theme,
+                                                                       BP_PUSHBUTTON,
+                                                                       iState) )
+    {
+        wxUxThemeEngine::Get()->DrawThemeParentBackground(GetHwndOf(button), hdc, &rectBtn);
+    }
+
+    // draw background
+    wxUxThemeEngine::Get()->DrawThemeBackground(theme, hdc, BP_PUSHBUTTON, iState,
+                                                &rectBtn, NULL);
+
+    // calculate content area margins
+    MARGINS margins;
+    wxUxThemeEngine::Get()->GetThemeMargins(theme, hdc, BP_PUSHBUTTON, iState,
+                                            TMT_CONTENTMARGINS, &rectBtn, &margins);
+    RECT rectClient;
+    ::CopyRect(&rectClient, &rectBtn);
+    ::InflateRect(&rectClient, -margins.cxLeftWidth, -margins.cyTopHeight);
+
+    // if focused and !nofocus rect
+    if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+    {
+        DrawFocusRect(hdc, &rectClient);
+    }
+
+    if ( button->UseBgCol() )
+    {
+        COLORREF colBg = wxColourToRGB(button->GetBackgroundColour());
+        HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+
+        // don't overwrite the focus rect
+        ::InflateRect(&rectClient, -1, -1);
+        FillRect(hdc, &rectClient, hbrushBackground);
+        ::DeleteObject(hbrushBackground);
+    }
+}
+#endif // wxUSE_UXTHEME
+
 // VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
 #define FOCUS_MARGIN 3
 
@@ -273,6 +364,58 @@ bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
     int wBmp   = bitmap->GetWidth();
     int hBmp   = bitmap->GetHeight();
 
+#if wxUSE_UXTHEME
+    if ( autoDraw && wxUxThemeEngine::GetIfActive() )
+    {
+        MSWDrawXPBackground(this, item);
+        wxUxThemeHandle theme(this, L"BUTTON");
+
+        // calculate content area margins
+        // assuming here that each state is the same size
+        MARGINS margins;
+        wxUxThemeEngine::Get()->GetThemeMargins(theme, NULL,
+                                                BP_PUSHBUTTON, PBS_NORMAL,
+                                                TMT_CONTENTMARGINS, NULL,
+                                                &margins);
+        int marginX = margins.cxLeftWidth + 1;
+        int marginY = margins.cyTopHeight + 1;
+        int x1,y1;
+
+        if ( m_windowStyle & wxBU_LEFT )
+        {
+            x1 = x + marginX;
+        }
+        else if ( m_windowStyle & wxBU_RIGHT )
+        {
+            x1 = x + (width - wBmp) - marginX;
+        }
+        else
+        {
+            x1 = x + (width - wBmp) / 2;
+        }
+
+        if ( m_windowStyle & wxBU_TOP )
+        {
+            y1 = y + marginY;
+        }
+        else if ( m_windowStyle & wxBU_BOTTOM )
+        {
+            y1 = y + (height - hBmp) - marginY;
+        }
+        else
+        {
+            y1 = y + (height - hBmp) / 2;
+        }
+
+        // draw the bitmap
+        wxClientDC dst;
+        dst.SetHDC((WXHDC) hDC, false);
+        dst.DrawBitmap(*bitmap, x1, y1, true);
+
+        return true;
+    }
+#endif // wxUSE_UXTHEME
+
     int x1,y1;
 
     if(m_windowStyle & wxBU_LEFT)
@@ -346,10 +489,7 @@ void wxBitmapButton::DrawFace( WXHDC dc, int left, int top,
     penLight    = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DLIGHT));
     penShadow   = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DSHADOW));
     penDkShadow = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_3DDKSHADOW));
-    // brushFace   = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
+    brushFace   = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
-    // Taking the background colour fits in better with
-    // Windows XP themes.
-    brushFace   = CreateSolidBrush(m_backgroundColour.m_pixel);
 
     // draw the rectangle
     RECT rect;
@@ -452,6 +592,25 @@ wxSize wxBitmapButton::DoGetBestSize() const
 {
     if ( m_bmpNormal.Ok() )
     {
+#if wxUSE_UXTHEME
+        if ( (GetWindowStyleFlag() & wxBU_AUTODRAW) && wxUxThemeEngine::GetIfActive() )
+        {
+            wxUxThemeHandle theme((wxBitmapButton *)this, L"BUTTON");
+
+            // calculate content area margins
+            // assuming here that each state is the same size
+            MARGINS margins;
+            wxUxThemeEngine::Get()->GetThemeMargins(theme, NULL,
+                                                    BP_PUSHBUTTON, PBS_NORMAL,
+                                                    TMT_CONTENTMARGINS, NULL,
+                                                    &margins);
+            wxSize best(m_bmpNormal.GetWidth() + 2 * (margins.cxLeftWidth + 1),
+                        m_bmpNormal.GetHeight() + 2* (margins.cyTopHeight + 1));
+            CacheBestSize(best);
+            return best;
+        }
+#endif // wxUSE_UXTHEME
+
         wxSize best(m_bmpNormal.GetWidth() + 2*m_marginX,
                       m_bmpNormal.GetHeight() + 2*m_marginY);
         CacheBestSize(best);

src/msw/button.cpp

@@ -42,6 +42,35 @@
 #include "wx/tokenzr.h"
 #include "wx/msw/private.h"
 
+#if wxUSE_UXTHEME
+    #include "wx/msw/uxtheme.h"
+
+    // no need to include tmschema.h
+    #ifndef BP_PUSHBUTTON
+        #define BP_PUSHBUTTON 1
+
+        #define PBS_NORMAL    1
+        #define PBS_HOT       2
+        #define PBS_PRESSED   3
+        #define PBS_DISABLED  4
+        #define PBS_DEFAULTED 5
+
+        #define TMT_CONTENTMARGINS 3602
+    #endif
+#endif // wxUSE_UXTHEME
+
+#ifndef WM_THEMECHANGED
+    #define WM_THEMECHANGED     0x031A
+#endif
+
+#ifndef ODS_NOACCEL
+    #define ODS_NOACCEL         0x0100
+#endif
+
+#ifndef ODS_NOFOCUSRECT
+    #define ODS_NOFOCUSRECT     0x0200
+#endif
+
 // ----------------------------------------------------------------------------
 // macros
 // ----------------------------------------------------------------------------
@@ -474,6 +503,27 @@ WXLRESULT wxButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 
         // and continue with processing the message normally as well
     }
+#if wxUSE_UXTHEME
+    else if ( nMsg == WM_THEMECHANGED )
+    {
+        // need to recalculate the best size here
+        // as the theme size might have changed
+        InvalidateBestSize();
+    }
+    else if ( wxUxThemeEngine::GetIfActive() )
+    {
+        // we need to Refresh() if mouse has entered or left window
+        // so we can update the hot tracking state
+        // must use m_mouseInWindow here instead of IsMouseInWindow()
+        // since we need to know the first time the mouse enters the window
+        // and IsMouseInWindow() would return true in this case
+        if ( ( nMsg == WM_MOUSEMOVE && !m_mouseInWindow ) ||
+             nMsg == WM_MOUSELEAVE )
+        {
+            Refresh();
+        }
+    }
+#endif // wxUSE_UXTHEME
 
     // let the base class do all real processing
     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
@@ -667,63 +717,143 @@ static void DrawButtonFrame(HDC hdc, const RECT& rectBtn,
     DeleteObject(hpenBlack);
 }
 
-bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
+#if wxUSE_UXTHEME
+static
+void MSWDrawXPBackground(wxButton *button, WXDRAWITEMSTRUCT *wxdis)
 {
     LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
-
+    HDC hdc = lpDIS->hDC;
+    UINT state = lpDIS->itemState;
     RECT rectBtn;
     CopyRect(&rectBtn, &lpDIS->rcItem);
 
-    COLORREF colBg = wxColourToRGB(GetBackgroundColour()),
+    wxUxThemeHandle theme(button, L"BUTTON");
-             colFg = wxColourToRGB(GetForegroundColour());
+    int iState;
 
+    if ( state & ODS_SELECTED )
+    {
+        iState = PBS_PRESSED;
+    }
+    else if ( button->HasCapture() || button->IsMouseInWindow() )
+    {
+        iState = PBS_HOT;
+    }
+    else if ( state & ODS_FOCUS )
+    {
+        iState = PBS_DEFAULTED;
+    }
+    else if ( state & ODS_DISABLED )
+    {
+        iState = PBS_DISABLED;
+    }
+    else
+    {
+        iState = PBS_NORMAL;
+    }
+
+    // draw parent background if needed
+    if ( wxUxThemeEngine::Get()->IsThemeBackgroundPartiallyTransparent(theme,
+                                                                       BP_PUSHBUTTON,
+                                                                       iState) )
+    {
+        wxUxThemeEngine::Get()->DrawThemeParentBackground(GetHwndOf(button), hdc, &rectBtn);
+    }
+
+    // draw background
+    wxUxThemeEngine::Get()->DrawThemeBackground(theme, hdc, BP_PUSHBUTTON, iState,
+                                                &rectBtn, NULL);
+
+    // calculate content area margins
+    MARGINS margins;
+    wxUxThemeEngine::Get()->GetThemeMargins(theme, hdc, BP_PUSHBUTTON, iState,
+                                            TMT_CONTENTMARGINS, &rectBtn, &margins);
+    RECT rectClient;
+    ::CopyRect(&rectClient, &rectBtn);
+    ::InflateRect(&rectClient, -margins.cxLeftWidth, -margins.cyTopHeight);
+
+    // if focused and !nofocus rect
+    if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+    {
+        DrawFocusRect(hdc, &rectClient);
+    }
+
+    if ( button->UseBgCol() )
+    {
+        COLORREF colBg = wxColourToRGB(button->GetBackgroundColour());
+        HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+
+        // don't overwrite the focus rect
+        ::InflateRect(&rectClient, -1, -1);
+        FillRect(hdc, &rectClient, hbrushBackground);
+        ::DeleteObject(hbrushBackground);
+    }
+}
+#endif // wxUSE_UXTHEME
+
+bool wxButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
+{
+    LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
     HDC hdc = lpDIS->hDC;
     UINT state = lpDIS->itemState;
+    RECT rectBtn;
+    CopyRect(&rectBtn, &lpDIS->rcItem);
 
-    // first, draw the background
+#if wxUSE_UXTHEME
-    HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+    if ( wxUxThemeEngine::GetIfActive() )
-
-    FillRect(hdc, &rectBtn, hbrushBackground);
-
-    // draw the border for the current state
-    bool selected = (state & ODS_SELECTED) != 0;
-    if ( !selected )
     {
-        wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
+        MSWDrawXPBackground(this, wxdis);
-        if ( panel )
+    }
+    else
+#endif // wxUSE_UXTHEME
+    {
+        COLORREF colBg = wxColourToRGB(GetBackgroundColour());
+
+        // first, draw the background
+        HBRUSH hbrushBackground = ::CreateSolidBrush(colBg);
+        FillRect(hdc, &rectBtn, hbrushBackground);
+        ::DeleteObject(hbrushBackground);
+
+        // draw the border for the current state
+        bool selected = (state & ODS_SELECTED) != 0;
+        if ( !selected )
         {
-            selected = panel->GetDefaultItem() == this;
+            wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
+            if ( panel )
+            {
+                selected = panel->GetDefaultItem() == this;
+            }
+        }
+        bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;
+
+        DrawButtonFrame(hdc, rectBtn, selected, pushed);
+
+        // if focused and !nofocus rect
+        if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
+        {
+            RECT rectFocus;
+            CopyRect(&rectFocus, &rectBtn);
+
+            // I don't know where does this constant come from, but this is how
+            // Windows draws them
+            InflateRect(&rectFocus, -4, -4);
+
+            DrawFocusRect(hdc, &rectFocus);
+        }
+
+        if ( pushed )
+        {
+            // the label is shifted by 1 pixel to create "pushed" effect
+            OffsetRect(&rectBtn, 1, 1);
         }
     }
-    bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;
 
-    DrawButtonFrame(hdc, rectBtn, selected, pushed);
+    COLORREF colFg = wxColourToRGB(GetForegroundColour());
-
+    DrawButtonText(hdc, &rectBtn,
-    // draw the focus rect if needed
+                   (state & ODS_NOACCEL ? wxStripMenuCodes(GetLabel())
-    if ( state & ODS_FOCUS )
+                                        : GetLabel()),
-    {
-        RECT rectFocus;
-        CopyRect(&rectFocus, &rectBtn);
-
-        // I don't know where does this constant come from, but this is how
-        // Windows draws them
-        InflateRect(&rectFocus, -4, -4);
-
-        DrawFocusRect(hdc, &rectFocus);
-    }
-
-    if ( pushed )
-    {
-        // the label is shifted by 1 pixel to create "pushed" effect
-        OffsetRect(&rectBtn, 1, 1);
-    }
-
-    DrawButtonText(hdc, &rectBtn, GetLabel(),
                    state & ODS_DISABLED ? GetSysColor(COLOR_GRAYTEXT)
                                         : colFg);
 
-    ::DeleteObject(hbrushBackground);
-
     return true;
 }