/////////////////////////////////////////////////////////////////////////////
-// Name: statbmp.cpp
+// Name: src/msw/statbmp.cpp
// Purpose: wxStaticBitmap
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ===========================================================================
// headers
// ---------------------------------------------------------------------------
-#ifdef __GNUG__
- #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>
// ---------------------------------------------------------------------------
// macors
// ---------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl)
-
// ===========================================================================
// implementation
// ===========================================================================
// 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 )
{
bool isIcon = bitmap.IsKindOf( CLASSINFO(wxIcon) );
if( !isIcon )
{
wxASSERT_MSG( wxDynamicCast(&bitmap, wxBitmap),
- _T("not an icon and not a bitmap?") );
+ wxT("not an icon and not a bitmap?") );
const wxBitmap& bmp = (const wxBitmap&)bitmap;
wxMask *mask = bmp.GetMask();
return new wxIcon( (const wxIcon&)bitmap );
}
-#endif
-
bool wxStaticBitmap::Create(wxWindow *parent,
wxWindowID id,
const wxGDIImage& bitmap,
const wxString& name)
{
if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
- return FALSE;
+ 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 );
+ wxGDIImage *image = ConvertImage( bitmap );
m_isIcon = image->IsKindOf( CLASSINFO(wxIcon) );
-#endif // Win16/32
// create the native control
- if ( !MSWCreateControl(
-#ifdef __WIN32__
- _T("STATIC"),
-#else // Win16
- _T("BUTTON"),
-#endif // Win32/16
- _T(""), pos, size, style) )
+ if ( !MSWCreateControl(wxT("STATIC"), wxEmptyString, pos, size) )
{
// control creation failed
- return FALSE;
+ return false;
}
// no need to delete the new image
SetImageNoCopy(image);
- return TRUE;
+ // GetBestSize will work properly now, so set the best size if needed
+ SetInitialSize(size);
+
+ // painting manually is reported not to work under Windows CE (see #10093),
+ // so don't do it there even if this probably means that alpha is not
+ // supported there -- but at least bitmaps without alpha appear correctly
+#ifndef __WXWINCE__
+ // 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));
+ }
+#endif // !__WXWINCE__
+
+ return true;
}
WXDWORD wxStaticBitmap::MSWGetStyle(long style, WXDWORD *exstyle) const
{
WXDWORD msStyle = wxControl::MSWGetStyle(style, exstyle);
-#ifdef __WIN32__
// what kind of control are we?
msStyle |= m_isIcon ? SS_ICON : SS_BITMAP;
// 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
+ //
+ // and SS_NOTIFY is necessary to receive mouse events
+ msStyle |= SS_CENTERIMAGE | SS_NOTIFY;
return msStyle;
}
bool wxStaticBitmap::ImageIsOk() const
{
- return m_image && m_image->Ok();
+ return m_image && m_image->IsOk();
}
-void wxStaticBitmap::Free()
+wxIcon wxStaticBitmap::GetIcon() const
{
- delete m_image;
+ wxCHECK_MSG( m_image, wxIcon(), wxT("no image in wxStaticBitmap") );
+
+ // we can't ask for an icon if all we have is a bitmap
+ wxCHECK_MSG( m_isIcon, wxIcon(), wxT("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(), wxT("no image in wxStaticBitmap") );
- m_image = NULL;
+ return *(wxBitmap *)m_image;
+ }
+}
+
+void wxStaticBitmap::Free()
+{
+ wxDELETE(m_image);
}
wxSize wxStaticBitmap::DoGetBestSize() const
{
- // reuse the current size (as wxWindow does) instead of using some
- // arbitrary default size (as wxControl, our immediate base class, does)
- return wxWindow::DoGetBestSize();
+ if ( ImageIsOk() )
+ {
+ wxSize best(m_image->GetWidth(), m_image->GetHeight());
+ CacheBestSize(best);
+ return best;
+ }
+
+ // this is completely arbitrary
+ return wxSize(16, 16);
+}
+
+#ifndef __WXWINCE__
+
+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 */);
}
+#endif // !__WXWINCE__
+
void wxStaticBitmap::SetImage( const wxGDIImage* image )
{
wxGDIImage* convertedImage = ConvertImage( *image );
SetImageNoCopy( convertedImage );
+ InvalidateBestSize();
}
void wxStaticBitmap::SetImageNoCopy( wxGDIImage* 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() )
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
-#ifdef __WIN16__
-bool wxStaticBitmap::MSWOnDraw(WXDRAWITEMSTRUCT *item)
-{
- LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
-
- wxCHECK_MSG( !m_isIcon, FALSE, _T("icons not supported in wxStaticBitmap") );
-
- wxBitmap* bitmap = (wxBitmap *)m_image;
- if ( !bitmap->Ok() )
- return FALSE;
-
- HDC hDC = lpDIS->hDC;
- HDC memDC = ::CreateCompatibleDC(hDC);
-
- HBITMAP old = (HBITMAP) ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP());
-
- if (!old)
- return FALSE;
-
- int x = lpDIS->rcItem.left;
- int y = lpDIS->rcItem.top;
- int width = lpDIS->rcItem.right - x;
- int height = lpDIS->rcItem.bottom - y;
-
- // Centre the bitmap in the control area
- int x1 = (int) (x + ((width - bitmap->GetWidth()) / 2));
- int y1 = (int) (y + ((height - bitmap->GetHeight()) / 2));
-
- ::BitBlt(hDC, x1, y1, bitmap->GetWidth(), bitmap->GetHeight(), memDC, 0, 0, SRCCOPY);
-
- ::SelectObject(memDC, old);
-
- ::DeleteDC(memDC);
-
- 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)
-{
- // 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;
-
- return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
+ ::InvalidateRect(GetHwndOf(GetParent()), &rect, TRUE);
}
#endif // wxUSE_STATBMP
projects / wxWidgets.git / blobdiff