X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7c5457867870a0a33951def66373f5a76ec3ae4a..23d2edff3505385801313910ece449bdb959f0f1:/src/msw/statbmp.cpp

diff --git a/src/msw/statbmp.cpp b/src/msw/statbmp.cpp
index c22387c146..52dc1c5bbc 100644
--- a/src/msw/statbmp.cpp
+++ b/src/msw/statbmp.cpp
@@ -28,6 +28,8 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_STATBMP
+
 #include "wx/window.h"
 #include "wx/msw/private.h"
 
@@ -42,9 +44,7 @@
 // macors
 // ---------------------------------------------------------------------------
 
-#if !USE_SHARED_LIBRARY
-    IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl)
 
 // ===========================================================================
 // implementation
@@ -54,136 +54,136 @@
 // wxStaticBitmap
 // ---------------------------------------------------------------------------
 
-bool wxStaticBitmap::Create(wxWindow *parent, wxWindowID id,
-                            const wxBitmap& bitmap,
-                            const wxPoint& pos,
-                            const wxSize& size,
-                            long style,
-                            const wxString& name)
+// we may have either bitmap or icon: if a bitmap with mask is passed, we
+// will transform it to an icon ourselves because otherwise the mask will
+// be ignored by Windows
+// note that this function will create a new object every time
+// it is called even if the image needs no conversion
+
+#ifndef __WIN16__
+
+static wxGDIImage* ConvertImage( const wxGDIImage& bitmap )
 {
-    Init();
+    bool isIcon = bitmap.IsKindOf( CLASSINFO(wxIcon) );
+
+    if( !isIcon )
+    {
+        wxASSERT_MSG( wxDynamicCast(&bitmap, wxBitmap),
+                      _T("not an icon and not a bitmap?") );
+
+        const wxBitmap& bmp = (const wxBitmap&)bitmap;
+        wxMask *mask = bmp.GetMask();
+        if ( mask && mask->GetMaskBitmap() )
+        {
+            wxIcon* icon = new wxIcon;
+            icon->CopyFromBitmap(bmp);
 
-    SetName(name);
-    if (parent)
-        parent->AddChild(this);
+            return icon;
+        }
 
-    m_backgroundColour = parent->GetBackgroundColour() ;
-    m_foregroundColour = parent->GetForegroundColour() ;
+        return new wxBitmap( bmp );
+    }
 
-    if ( id == -1 )
-        m_windowId = (int)NewControlId();
-    else
-        m_windowId = id;
+    // copying a bitmap is a cheap operation
+    return new wxIcon( (const wxIcon&)bitmap );
+}
 
-    int x = pos.x;
-    int y = pos.y;
-    int width = size.x;
-    int height = size.y;
+#endif
 
-    m_windowStyle = style;
+bool wxStaticBitmap::Create(wxWindow *parent,
+                            wxWindowID id,
+                            const wxGDIImage& bitmap,
+                            const wxPoint& pos,
+                            const wxSize& size,
+                            long style,
+                            const wxString& name)
+{
+    if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
+        return FALSE;
 
+    // we may have either bitmap or icon: if a bitmap with mask is passed, we
+    // will transform it to an icon ourselves because otherwise the mask will
+    // be ignored by Windows
+    wxGDIImage *image = (wxGDIImage *)NULL;
     m_isIcon = bitmap.IsKindOf(CLASSINFO(wxIcon));
 
+#ifdef __WIN16__
+    wxASSERT_MSG( !m_isIcon, "Icons are not supported in wxStaticBitmap under WIN16." );
+    image = &bitmap;
+#else // Win32
+    image = ConvertImage( bitmap );
+    m_isIcon = image->IsKindOf( CLASSINFO(wxIcon) );
+#endif // Win16/32
+
+    // create the native control
+    if ( !MSWCreateControl(
 #ifdef __WIN32__
-    // create a static control with either SS_BITMAP or SS_ICON style depending
-    // on what we have here
-    const wxChar *classname = _T("STATIC");
-    int winstyle = m_isIcon ? SS_ICON : SS_BITMAP;
+                           _T("STATIC"),
 #else // Win16
-    const wxChar *classname = _T("BUTTON");
-    int winstyle = BS_OWNERDRAW;
-#endif // Win32
-
-    m_hWnd = (WXHWND)::CreateWindow
-                       (
-                        classname,
-                        _T(""),
-                        winstyle | WS_CHILD | WS_VISIBLE,
-                        0, 0, 0, 0,
-                        (HWND)parent->GetHWND(),
-                        (HMENU)m_windowId,
-                        wxGetInstance(),
-                        NULL
-                       );
+                           _T("BUTTON"),
+#endif // Win32/16
+                           _T(""), pos, size) )
+    {
+        // control creation failed
+        return FALSE;
+    }
 
-    wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create static bitmap") );
+    // no need to delete the new image
+    SetImageNoCopy(image);
 
-    SetBitmap(bitmap);
+    return TRUE;
+}
 
-    // Subclass again for purposes of dialog editing mode
-    SubclassWin(m_hWnd);
+WXDWORD wxStaticBitmap::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
 
-    SetFont(GetParent()->GetFont());
+#ifdef __WIN32__
+    // what kind of control are we?
+    msStyle |= m_isIcon ? SS_ICON : SS_BITMAP;
 
-    SetSize(x, y, width, height);
+    // we use SS_CENTERIMAGE to prevent the control from resizing the bitmap to
+    // fit to its size -- this is unexpected and doesn't happen in other ports
+    msStyle |= SS_CENTERIMAGE;
+#else // Win16
+    msStyle |= BS_OWNERDRAW;
+#endif // Win32/16
 
-    return TRUE;
+    return msStyle;
 }
 
 bool wxStaticBitmap::ImageIsOk() const
 {
-    if ( m_isIcon && m_image.icon )
-        return m_image.icon->Ok();
-    else if ( m_image.bitmap )
-        return m_image.bitmap->Ok();
-    else
-        return FALSE;
+    return m_image && m_image->Ok();
 }
 
 void wxStaticBitmap::Free()
 {
-    if ( m_isIcon )
-        delete m_image.icon;
-    else
-        delete m_image.bitmap;
+    delete m_image;
 
-    m_image.icon = NULL;
+    m_image = NULL;
 }
 
-void wxStaticBitmap::DoSetSize(int x, int y, int width, int height, int sizeFlags)
+wxSize wxStaticBitmap::DoGetBestSize() const
 {
-    int currentX, currentY;
-    GetPosition(&currentX, &currentY);
-    int x1 = x;
-    int y1 = y;
-
-    if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-        x1 = currentX;
-    if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
-        y1 = currentY;
-
-    AdjustForParentClientOrigin(x1, y1, sizeFlags);
-
-    int actualWidth = width;
-    int actualHeight = height;
-
-    int ww, hh;
-    GetSize(&ww, &hh);
-
-    // If we're prepared to use the existing width, then...
-    if (width == -1 && ((sizeFlags & wxSIZE_AUTO_WIDTH) != wxSIZE_AUTO_WIDTH))
-        actualWidth = ww;
-    else
-        actualWidth = width;
-
-    // If we're prepared to use the existing height, then...
-    if (height == -1 && ((sizeFlags & wxSIZE_AUTO_HEIGHT) != wxSIZE_AUTO_HEIGHT))
-        actualHeight = hh;
-    else
-        actualHeight = height;
+    // reuse the current size (as wxWindow does) instead of using some
+    // arbitrary default size (as wxControl, our immediate base class, does)
+    return wxWindow::DoGetBestSize();
+}
 
-    MoveWindow((HWND) GetHWND(), x1, y1, actualWidth, actualHeight, TRUE);
+void wxStaticBitmap::SetImage( const wxGDIImage* image )
+{
+    wxGDIImage* convertedImage = ConvertImage( *image );
+    SetImageNoCopy( convertedImage );
 }
 
-void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap)
+void wxStaticBitmap::SetImageNoCopy( wxGDIImage* image)
 {
     Free();
 
-    m_isIcon = bitmap.IsKindOf(CLASSINFO(wxIcon));
-    if ( m_isIcon )
-        m_image.icon = new wxIcon((const wxIcon&)bitmap);
-    else
-        m_image.bitmap = new wxBitmap(bitmap);
+    m_isIcon = image->IsKindOf( CLASSINFO(wxIcon) );
+    // the image has already been copied
+    m_image = image;
 
     int x, y;
     int w, h;
@@ -191,27 +191,33 @@ void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap)
     GetSize(&w, &h);
 
 #ifdef __WIN32__
-    HANDLE handle = m_isIcon ? (HANDLE)m_image.icon->GetHICON()
-                             : (HANDLE)m_image.bitmap->GetHBITMAP();
-    ::SendMessage((HWND)m_hWnd, STM_SETIMAGE,
+    HANDLE handle = (HANDLE)m_image->GetHandle();
+    LONG style = ::GetWindowLong( (HWND)GetHWND(), GWL_STYLE ) ;
+    ::SetWindowLong( (HWND)GetHWND(), GWL_STYLE, ( style & ~( SS_BITMAP|SS_ICON ) ) |
+                     ( m_isIcon ? SS_ICON : SS_BITMAP ) );
+    ::SendMessage(GetHwnd(), STM_SETIMAGE,
                   m_isIcon ? IMAGE_ICON : IMAGE_BITMAP, (LPARAM)handle);
 #endif // Win32
 
     if ( ImageIsOk() )
     {
-        int width = bitmap.GetWidth(),
-            height = bitmap.GetHeight();
+        int width = image->GetWidth(),
+            height = image->GetHeight();
         if ( width && height )
         {
             w = width;
             h = height;
 
-            ::MoveWindow((HWND)GetHWND(), x, y, width, height, FALSE);
+            ::MoveWindow(GetHwnd(), x, y, width, height, FALSE);
         }
     }
 
-    RECT rect = { x, y, x + w, y + h };
-    InvalidateRect((HWND)GetParent()->GetHWND(), &rect, TRUE);
+    RECT rect;
+    rect.left   = x;
+    rect.top    = y;
+    rect.right  = x + w;
+    rect.bottom = y + h;
+    InvalidateRect(GetHwndOf(GetParent()), &rect, TRUE);
 }
 
 // under Win32 we use the standard static control style for this
@@ -220,7 +226,9 @@ bool wxStaticBitmap::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 {
     LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
 
-    wxBitmap* bitmap = m_image.bitmap;
+    wxCHECK_MSG( !m_isIcon, FALSE, _T("icons not supported in wxStaticBitmap") );
+
+    wxBitmap* bitmap = (wxBitmap *)m_image;
     if ( !bitmap->Ok() )
         return FALSE;
 
@@ -249,7 +257,9 @@ bool wxStaticBitmap::MSWOnDraw(WXDRAWITEMSTRUCT *item)
 
     return TRUE;
 }
+#endif // Win16
 
+// We need this or the control can never be moved e.g. in Dialog Editor.
 long wxStaticBitmap::MSWWindowProc(WXUINT nMsg,
                                    WXWPARAM wParam,
                                    WXLPARAM lParam)
@@ -261,4 +271,5 @@ long wxStaticBitmap::MSWWindowProc(WXUINT nMsg,
 
     return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 }
-#endif // Win16
+
+#endif // wxUSE_STATBMP