/////////////////////////////////////////////////////////////////////////////
-// Name: statbmp.cpp
+// Name: src/msw/statbmp.cpp
// Purpose: wxStaticBitmap
// Author: Julian Smart
// Modified by:
// headers
// ---------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #pragma implementation "statbmp.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_STATBMP
-#include "wx/window.h"
-#include "wx/msw/private.h"
+#include "wx/statbmp.h"
#ifndef WX_PRECOMP
+ #include "wx/app.h"
+ #include "wx/window.h"
#include "wx/icon.h"
- #include "wx/statbmp.h"
+ #include "wx/dcclient.h"
#endif
+#include "wx/msw/private.h"
+
+#include "wx/sysopt.h"
+
#include <stdio.h>
// ---------------------------------------------------------------------------
SetImageNoCopy(image);
// GetBestSize will work properly now, so set the best size if needed
- SetBestSize(size);
+ SetInitialSize(size);
+
+ // Windows versions before XP (and even XP if the application has no
+ // manifest and so the old comctl32.dll is used) don't draw correctly the
+ // images with alpha channel so we need to draw them ourselves and it's
+ // easier to just always do it rather than check if we have an image with
+ // alpha or not
+ if ( wxTheApp->GetComCtl32Version() < 600 )
+ {
+ Connect(wxEVT_PAINT, wxPaintEventHandler(wxStaticBitmap::DoPaintManually));
+ }
return true;
}
-wxBorder wxStaticBitmap::GetDefaultBorder() const
-{
- return wxBORDER_NONE;
-}
-
WXDWORD wxStaticBitmap::MSWGetStyle(long style, WXDWORD *exstyle) const
{
WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
// 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;
+ //
+ // and SS_NOTIFY is necessary to receive mouse events
+ msStyle |= SS_CENTERIMAGE | SS_NOTIFY;
return msStyle;
}
return m_image && m_image->Ok();
}
+wxIcon wxStaticBitmap::GetIcon() const
+{
+ wxCHECK_MSG( m_image, wxIcon(), _T("no image in wxStaticBitmap") );
+
+ // we can't ask for an icon if all we have is a bitmap
+ wxCHECK_MSG( m_isIcon, wxIcon(), _T("no icon in this wxStaticBitmap") );
+
+ return *(wxIcon *)m_image;
+}
+
+wxBitmap wxStaticBitmap::GetBitmap() const
+{
+ if ( m_isIcon )
+ {
+ // don't fail because we might have replaced the bitmap with icon
+ // ourselves internally in ConvertImage() to keep the transparency but
+ // the user code doesn't know about it so it still can use GetBitmap()
+ // to retrieve the bitmap
+ return wxBitmap(GetIcon());
+ }
+ else // we have a bitmap
+ {
+ wxCHECK_MSG( m_image, wxBitmap(), _T("no image in wxStaticBitmap") );
+
+ return *(wxBitmap *)m_image;
+ }
+}
+
void wxStaticBitmap::Free()
{
delete m_image;
wxSize wxStaticBitmap::DoGetBestSize() const
{
if ( ImageIsOk() )
- return wxSize(m_image->GetWidth(), m_image->GetHeight());
+ {
+ wxSize best(m_image->GetWidth(), m_image->GetHeight());
+ CacheBestSize(best);
+ return best;
+ }
// this is completely arbitrary
return wxSize(16, 16);
}
+void wxStaticBitmap::DoPaintManually(wxPaintEvent& WXUNUSED(event))
+{
+ wxPaintDC dc(this);
+
+ const wxSize size(GetSize());
+ const wxBitmap bmp(GetBitmap());
+
+ // Clear the background: notice that we're supposed to be transparent, so
+ // use the parent background colour if we don't have our own instead of
+ // falling back to the default
+ const wxWindow *win = UseBgCol() ? this : GetParent();
+ dc.SetBrush(win->GetBackgroundColour());
+ dc.SetPen(*wxTRANSPARENT_PEN);
+ dc.DrawRectangle(0, 0, size.GetWidth(), size.GetHeight());
+
+ // Draw the image in the middle
+ dc.DrawBitmap(bmp,
+ (size.GetWidth() - bmp.GetWidth()) / 2,
+ (size.GetHeight() - bmp.GetHeight()) / 2,
+ true /* use mask */);
+}
+
void wxStaticBitmap::SetImage( const wxGDIImage* image )
{
wxGDIImage* convertedImage = ConvertImage( *image );
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,
+ HGDIOBJ oldHandle = (HGDIOBJ)::SendMessage(GetHwnd(), STM_SETIMAGE,
m_isIcon ? IMAGE_ICON : IMAGE_BITMAP, (LPARAM)handle);
+ // detect if this is still the handle we passed before or
+ // if the static-control made a copy of the bitmap!
+ if (m_currentHandle != 0 && oldHandle != (HGDIOBJ) m_currentHandle)
+ {
+ // the static control made a copy and we are responsible for deleting it
+ DeleteObject((HGDIOBJ) oldHandle);
+ }
+ m_currentHandle = (WXHANDLE)handle;
#endif // Win32
if ( ImageIsOk() )
::InvalidateRect(GetHwndOf(GetParent()), &rect, TRUE);
}
-// We need this or the control can never be moved e.g. in Dialog Editor.
-WXLRESULT wxStaticBitmap::MSWWindowProc(WXUINT nMsg,
- WXWPARAM wParam,
- WXLPARAM lParam)
-{
-#ifndef __WXWINCE__
- // Ensure that static items get messages. Some controls don't like this
- // message to be intercepted (e.g. RichEdit), hence the tests.
- if ( nMsg == WM_NCHITTEST )
- return (long)HTCLIENT;
-#endif
-
- return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
-}
-
#endif // wxUSE_STATBMP
projects / wxWidgets.git / blobdiff