X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9e3e08210272082c5fcd427d14ebde86f60002a0..96c9640205933ad0673d5af2c96af0816c50160c:/src/msw/statbmp.cpp?ds=sidebyside diff --git a/src/msw/statbmp.cpp b/src/msw/statbmp.cpp index e2b9f71daf..a41b7e17aa 100644 --- a/src/msw/statbmp.cpp +++ b/src/msw/statbmp.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// 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 ///////////////////////////////////////////////////////////////////////////// // =========================================================================== @@ -17,10 +17,6 @@ // headers // --------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "statbmp.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,21 +24,27 @@ #pragma hdrstop #endif +#if wxUSE_STATBMP + +#include "wx/statbmp.h" + #ifndef WX_PRECOMP - #include "wx/statbmp.h" + #include "wx/app.h" + #include "wx/window.h" + #include "wx/icon.h" + #include "wx/dcclient.h" #endif -#include #include "wx/msw/private.h" +#include "wx/sysopt.h" + +#include + // --------------------------------------------------------------------------- // macors // --------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY - IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl) -#endif - // =========================================================================== // implementation // =========================================================================== @@ -51,208 +53,241 @@ // 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 + +static wxGDIImage* ConvertImage( const wxGDIImage& bitmap ) { - Init(); + bool isIcon = bitmap.IsKindOf( CLASSINFO(wxIcon) ); - SetName(name); - if (parent) - parent->AddChild(this); + if( !isIcon ) + { + wxASSERT_MSG( wxDynamicCast(&bitmap, wxBitmap), + wxT("not an icon and not a bitmap?") ); - m_backgroundColour = parent->GetBackgroundColour() ; - m_foregroundColour = parent->GetForegroundColour() ; + const wxBitmap& bmp = (const wxBitmap&)bitmap; + wxMask *mask = bmp.GetMask(); + if ( mask && mask->GetMaskBitmap() ) + { + wxIcon* icon = new wxIcon; + icon->CopyFromBitmap(bmp); - if ( id == -1 ) - m_windowId = (int)NewControlId(); - else - m_windowId = id; + return icon; + } - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; + return new wxBitmap( bmp ); + } - m_windowStyle = style; + // copying a bitmap is a cheap operation + return new wxIcon( (const wxIcon&)bitmap ); +} +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 m_isIcon = bitmap.IsKindOf(CLASSINFO(wxIcon)); -#ifdef __WIN32__ - // create a static control with either SS_BITMAP or SS_ICON style depending - // on what we have here - const char *classname = "STATIC"; - int winstyle = m_isIcon ? SS_ICON : SS_BITMAP; -#else // Win16 - const char *classname = "BUTTON"; - int winstyle = BS_OWNERDRAWN; -#endif // Win32 + wxGDIImage *image = ConvertImage( bitmap ); + m_isIcon = image->IsKindOf( CLASSINFO(wxIcon) ); - m_hWnd = (WXHWND)::CreateWindow - ( - classname, - "", - winstyle | WS_CHILD | WS_VISIBLE, - 0, 0, 0, 0, - (HWND)parent->GetHWND(), - (HMENU)m_windowId, - wxGetInstance(), - NULL - ); + // create the native control + if ( !MSWCreateControl(wxT("STATIC"), wxEmptyString, pos, size) ) + { + // control creation failed + return false; + } - wxCHECK_MSG( m_hWnd, FALSE, "Failed to create static bitmap" ); + // no need to delete the new image + SetImageNoCopy(image); + + // 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__ - 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()); + // 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 + // + // and SS_NOTIFY is necessary to receive mouse events + msStyle |= SS_CENTERIMAGE | SS_NOTIFY; - 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->IsOk(); } -void wxStaticBitmap::Free() +wxIcon wxStaticBitmap::GetIcon() const { - if ( m_isIcon ) - delete m_image.icon; - else - delete m_image.bitmap; + 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") ); - m_image.icon = NULL; + return *(wxIcon *)m_image; } -void wxStaticBitmap::DoSetSize(int x, int y, int width, int height, int sizeFlags) +wxBitmap wxStaticBitmap::GetBitmap() const { - int currentX, currentY; - GetPosition(¤tX, ¤tY); - int x1 = x; - int y1 = y; + 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") ); + + return *(wxBitmap *)m_image; + } +} - if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - x1 = currentX; - if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE)) - y1 = currentY; +void wxStaticBitmap::Free() +{ + wxDELETE(m_image); +} - AdjustForParentClientOrigin(x1, y1, sizeFlags); +wxSize wxStaticBitmap::DoGetBestClientSize() const +{ + wxSize size; + if ( ImageIsOk() ) + { + size = m_image->GetSize(); + } + else // No image yet + { + // this is completely arbitrary + size.x = + size.y = 16; + } - int actualWidth = width; - int actualHeight = height; + return size; +} - int ww, hh; - GetSize(&ww, &hh); +#ifndef __WXWINCE__ - // 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; +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 */); +} - // 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; +#endif // !__WXWINCE__ - 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(); + InvalidateBestSize(); - 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; GetPosition(&x, &y); GetSize(&w, &h); - RECT rect = { x, y, x + w, y + 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 ) ); + 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() ) { - int width = bitmap.GetWidth(), - height = bitmap.GetHeight(); + int width = image->GetWidth(), + height = image->GetHeight(); if ( width && height ) { - ::MoveWindow((HWND)GetHWND(), x, y, width, height, FALSE); + w = width; + h = height; + + ::MoveWindow(GetHwnd(), x, y, width, height, FALSE); } } - 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 -#ifdef __WIN16__ -bool wxStaticBitmap::MSWOnDraw(WXDRAWITEMSTRUCT *item) -{ - LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item; - - wxBitmap* bitmap = m_image.bitmap; - 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; -} - -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); -} -#endif // Win16 +#endif // wxUSE_STATBMP