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[wxWidgets.git] / src / msw / bmpbuttn.cpp
index 7dbb9a1582ce108555bcf9e39553c31707190cf3..b05541c6353ff74c29cc62cd93c02be8b753c7f1 100644 (file)
 #ifndef WX_PRECOMP
     #include "wx/log.h"
     #include "wx/dcmemory.h"
+    #include "wx/image.h"
 #endif
 
 #include "wx/msw/private.h"
-#include "wx/image.h"
+#include "wx/msw/dc.h"          // for wxDCTemp
+
 #include "wx/msw/uxtheme.h"
 
+#if wxUSE_UXTHEME
+    // 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
 // ----------------------------------------------------------------------------
@@ -110,7 +131,7 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id,
     const wxValidator& wxVALIDATOR_PARAM(validator),
     const wxString& name)
 {
-    m_bmpNormal = bitmap;
+    SetBitmapLabel(bitmap);
     SetName(name);
 
 #if wxUSE_VALIDATORS
@@ -119,8 +140,6 @@ 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 )
@@ -157,7 +176,7 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id,
                     msStyle,
                     0, 0, 0, 0,
                     GetWinHwnd(parent),
-                    (HMENU)m_windowId,
+                    (HMENU)wxUIntToPtr(m_windowId.GetValue()),
                     wxGetInstance(),
                     NULL
                    );
@@ -166,7 +185,7 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id,
     SubclassWin(m_hWnd);
 
     SetPosition(pos);
-    SetBestSize(size);
+    SetInitialSize(size);
 
     return true;
 }
@@ -206,7 +225,19 @@ void wxBitmapButton::OnMouseEnterOrLeave(wxMouseEvent& event)
     event.Skip();
 }
 
-void wxBitmapButton::OnSetBitmap()
+void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
+{
+#if wxUSE_IMAGE
+    if ( !HasFlag(wxBU_AUTODRAW) && !m_disabledSetByUser && bitmap.IsOk() )
+    {
+        m_bmpDisabled = wxBitmap(bitmap.ConvertToImage().ConvertToGreyscale());
+    }
+#endif // wxUSE_IMAGE
+
+    wxBitmapButtonBase::SetBitmapLabel(bitmap);
+}
+
+void wxBitmapButton::SetBitmapFocus(const wxBitmap& focus)
 {
     // if the focus bitmap is specified but hover one isn't, use the focus
     // bitmap for hovering as well if this is consistent with the current
@@ -215,16 +246,100 @@ void wxBitmapButton::OnSetBitmap()
     // rationale: this is compatible with the old wxGTK behaviour and also
     // makes it much easier to do "the right thing" for all platforms (some of
     // them, such as Windows XP, have "hot" buttons while others don't)
-    if ( !m_bmpHover.Ok() &&
-            m_bmpFocus.Ok() &&
-                wxUxThemeEngine::GetIfActive() )
-    {
+    if ( focus.Ok() && !m_hoverSetByUser )
         m_bmpHover = m_bmpFocus;
+
+    wxBitmapButtonBase::SetBitmapFocus(focus);
+}
+
+void wxBitmapButton::SetBitmapDisabled(const wxBitmap& disabled)
+{
+    if ( disabled.IsOk() )
+        m_disabledSetByUser = true;
+
+    wxBitmapButtonBase::SetBitmapDisabled(disabled);
+}
+
+void wxBitmapButton::SetBitmapHover(const wxBitmap& hover)
+{
+    if ( hover.IsOk() )
+        m_hoverSetByUser = true;
+
+    wxBitmapButtonBase::SetBitmapHover(hover);
+}
+
+#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);
 
-    // this will redraw us
-    wxBitmapButtonBase::OnSetBitmap();
+    // 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 +388,57 @@ 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
+        wxDCTemp dst((WXHDC)hDC);
+        dst.DrawBitmap(*bitmap, x1, y1, true);
+
+        return true;
+    }
+#endif // wxUSE_UXTHEME
+
     int x1,y1;
 
     if(m_windowStyle & wxBU_LEFT)
@@ -346,10 +512,7 @@ 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));
-    // Taking the background colour fits in better with
-    // Windows XP themes.
-    brushFace   = CreateSolidBrush(m_backgroundColour.m_pixel);
+    brushFace   = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
 
     // draw the rectangle
     RECT rect;
@@ -443,17 +606,54 @@ wxBitmapButton::DrawButtonDisable( WXHDC dc,
     ::PatBlt( (HDC) dc, left, top, right, bottom, PATTERNPAINT);
 }
 
-void wxBitmapButton::SetDefault()
-{
-    wxButton::SetDefault();
-}
-
 wxSize wxBitmapButton::DoGetBestSize() const
 {
     if ( m_bmpNormal.Ok() )
     {
-        wxSize best(m_bmpNormal.GetWidth() + 2*m_marginX,
-                      m_bmpNormal.GetHeight() + 2*m_marginY);
+        int width = m_bmpNormal.GetWidth(),
+            height = m_bmpNormal.GetHeight();
+        int marginH = 0,
+            marginV = 0;
+
+#if wxUSE_UXTHEME
+        if ( wxUxThemeEngine::GetIfActive() )
+        {
+            wxUxThemeHandle theme((wxBitmapButton *)this, L"BUTTON");
+
+            MARGINS margins;
+            wxUxThemeEngine::Get()->GetThemeMargins(theme, NULL,
+                                                    BP_PUSHBUTTON, PBS_NORMAL,
+                                                    TMT_CONTENTMARGINS, NULL,
+                                                    &margins);
+
+            // XP doesn't draw themed buttons correctly when the client area is
+            // smaller than 8x8 - enforce this minimum size for small bitmaps
+            if ( width < 8 )
+                width = 8;
+            if ( height < 8 )
+                height = 8;
+
+            // don't add margins for the borderless buttons, they don't need
+            // them and it just makes them appear larger than needed
+            if ( !HasFlag(wxBORDER_NONE) )
+            {
+                // we need 2 extra pixels for the focus rectangle, without them
+                // it's overwritten by the bitmap itself
+                marginH = margins.cxLeftWidth + margins.cxRightWidth + 2;
+                marginV = margins.cyTopHeight + margins.cyBottomHeight + 2;
+            }
+        }
+        else
+#endif // wxUSE_UXTHEME
+        {
+            if ( !HasFlag(wxBORDER_NONE) )
+            {
+                marginH = 2*m_marginX;
+                marginV = 2*m_marginY;
+            }
+        }
+
+        wxSize best(width + marginH, height + marginV);
         CacheBestSize(best);
         return best;
     }