X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3ff066a4ecb73476fc67c7a2c8a8823e67add833..6063039441bcf82503d5623afd5bb87ae9ec8733:/src/msw/statbmp.cpp diff --git a/src/msw/statbmp.cpp b/src/msw/statbmp.cpp index d3d94cb226..418541bfd9 100644 --- a/src/msw/statbmp.cpp +++ b/src/msw/statbmp.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: statbmp.cpp +// Name: src/msw/statbmp.cpp // Purpose: wxStaticBitmap // Author: Julian Smart // Modified by: @@ -17,10 +17,6 @@ // 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" @@ -30,14 +26,19 @@ #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 // --------------------------------------------------------------------------- @@ -56,21 +57,21 @@ wxBEGIN_FLAGS( wxStaticBitmapStyle ) wxFLAGS_MEMBER(wxBORDER_RAISED) wxFLAGS_MEMBER(wxBORDER_STATIC) wxFLAGS_MEMBER(wxBORDER_NONE) - + // old style border flags wxFLAGS_MEMBER(wxSIMPLE_BORDER) wxFLAGS_MEMBER(wxSUNKEN_BORDER) wxFLAGS_MEMBER(wxDOUBLE_BORDER) wxFLAGS_MEMBER(wxRAISED_BORDER) wxFLAGS_MEMBER(wxSTATIC_BORDER) - wxFLAGS_MEMBER(wxNO_BORDER) + wxFLAGS_MEMBER(wxBORDER) // standard window styles wxFLAGS_MEMBER(wxTAB_TRAVERSAL) wxFLAGS_MEMBER(wxCLIP_CHILDREN) wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) wxFLAGS_MEMBER(wxWANTS_CHARS) - wxFLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE) + wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) wxFLAGS_MEMBER(wxVSCROLL) wxFLAGS_MEMBER(wxHSCROLL) @@ -80,7 +81,7 @@ wxEND_FLAGS( wxStaticBitmapStyle ) IMPLEMENT_DYNAMIC_CLASS_XTI(wxStaticBitmap, wxControl,"wx/statbmp.h") wxBEGIN_PROPERTIES_TABLE(wxStaticBitmap) - wxPROPERTY_FLAGS( WindowStyle , wxStaticBitmapStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style + wxPROPERTY_FLAGS( WindowStyle , wxStaticBitmapStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style wxEND_PROPERTIES_TABLE() wxBEGIN_HANDLERS_TABLE(wxStaticBitmap) @@ -93,8 +94,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl) #endif /* - TODO PROPERTIES : - bitmap + TODO PROPERTIES : + bitmap */ // =========================================================================== @@ -111,8 +112,6 @@ IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl) // 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) ); @@ -139,8 +138,6 @@ static wxGDIImage* ConvertImage( const wxGDIImage& bitmap ) return new wxIcon( (const wxIcon&)bitmap ); } -#endif - bool wxStaticBitmap::Create(wxWindow *parent, wxWindowID id, const wxGDIImage& bitmap, @@ -150,60 +147,59 @@ bool wxStaticBitmap::Create(wxWindow *parent, 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 - wxEmptyString, pos, size) ) + if ( !MSWCreateControl(_T("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); -wxBorder wxStaticBitmap::GetDefaultBorder() const -{ - return wxBORDER_NONE; + // 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; } @@ -213,6 +209,34 @@ bool wxStaticBitmap::ImageIsOk() const 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; @@ -222,15 +246,48 @@ void wxStaticBitmap::Free() 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) @@ -251,8 +308,16 @@ 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() ) @@ -273,61 +338,7 @@ void wxStaticBitmap::SetImageNoCopy( wxGDIImage* image) 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) -{ -#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); + ::InvalidateRect(GetHwndOf(GetParent()), &rect, TRUE); } #endif // wxUSE_STATBMP