X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2bda0e173844e8e0f8acf4e8ad8b5c26e5c6fe5d..fb5230de7413f1ac4aa026e8b7b492629c005f08:/src/msw/statbmp.cpp diff --git a/src/msw/statbmp.cpp b/src/msw/statbmp.cpp index dfdaec3496..52dc1c5bbc 100644 --- a/src/msw/statbmp.cpp +++ b/src/msw/statbmp.cpp @@ -6,197 +6,270 @@ // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// +// =========================================================================== +// declarations +// =========================================================================== + +// --------------------------------------------------------------------------- +// headers +// --------------------------------------------------------------------------- + #ifdef __GNUG__ -#pragma implementation "statbmp.h" + #pragma implementation "statbmp.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_STATBMP + +#include "wx/window.h" +#include "wx/msw/private.h" + #ifndef WX_PRECOMP -#include "wx/statbmp.h" + #include "wx/icon.h" + #include "wx/statbmp.h" #endif #include -#include "wx/msw/private.h" -#if !USE_SHARED_LIBRARY +// --------------------------------------------------------------------------- +// macors +// --------------------------------------------------------------------------- + IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl) + +// =========================================================================== +// implementation +// =========================================================================== + +// --------------------------------------------------------------------------- +// wxStaticBitmap +// --------------------------------------------------------------------------- + +// 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 ) +{ + 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); + + return icon; + } + + return new wxBitmap( bmp ); + } + + // copying a bitmap is a cheap operation + return new wxIcon( (const wxIcon&)bitmap ); +} + #endif -/* - * wxStaticBitmap - */ +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__ + _T("STATIC"), +#else // Win16 + _T("BUTTON"), +#endif // Win32/16 + _T(""), pos, size) ) + { + // control creation failed + return FALSE; + } + + // no need to delete the new image + SetImageNoCopy(image); -bool wxStaticBitmap::Create(wxWindow *parent, const wxWindowID id, - const wxBitmap& bitmap, - const wxPoint& pos, - const wxSize& size, - const long style, - const wxString& name) + return TRUE; +} + +WXDWORD wxStaticBitmap::MSWGetStyle(long style, WXDWORD *exstyle) const { - m_messageBitmap = bitmap; - SetName(name); - if (parent) parent->AddChild(this); - - m_backgroundColour = parent->GetDefaultBackgroundColour() ; - m_foregroundColour = parent->GetDefaultForegroundColour() ; - - if ( id == -1 ) - m_windowId = (int)NewControlId(); - else - m_windowId = id; - - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; - - if ( width < 0 && bitmap.Ok() ) - width = bitmap.GetWidth(); - if ( height < 0 && bitmap.Ok() ) - height = bitmap.GetHeight(); - - m_windowStyle = style; - - // Use an ownerdraw button to produce a static bitmap, since there's - // no ownerdraw static. - // TODO: perhaps this should be a static item, with style SS_BITMAP. - HWND static_item = - CreateWindowEx(0, "BUTTON", "", BS_OWNERDRAW | WS_TABSTOP | WS_CHILD, - 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId, - wxGetInstance(), NULL); - m_hWnd = (WXHWND) static_item; - - // Subclass again for purposes of dialog editing mode - SubclassWin((WXHWND) static_item); - SetSize(x, y, width, height); - return TRUE; + 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 + + return msStyle; } -void wxStaticBitmap::SetSize(const int x, const int y, const int width, const int height, const int sizeFlags) +bool wxStaticBitmap::ImageIsOk() const { - int currentX, currentY; - GetPosition(¤tX, ¤tY); - 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; - - 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; - - MoveWindow((HWND) GetHWND(), x1, y1, actualWidth, actualHeight, TRUE); - - if (!((width == -1) && (height == -1))) - { -#if WXWIN_COMPATIBILITY - GetEventHandler()->OldOnSize(actualWidth, actualHeight); -#else - wxSizeEvent event(wxSize(actualWidth, actualHeight), m_windowId); - event.eventObject = this; - GetEventHandler()->ProcessEvent(event); -#endif - } + return m_image && m_image->Ok(); } -void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap) +void wxStaticBitmap::Free() { - m_messageBitmap = bitmap; - - int x, y; - int w, h; - GetPosition(&x, &y); - GetSize(&w, &h); - RECT rect; - rect.left = x; rect.top = y; rect.right = x + w; rect.bottom = y + h; - - if ( bitmap.Ok() ) - MoveWindow((HWND) GetHWND(), x, y, bitmap.GetWidth(), bitmap.GetHeight(), - FALSE); - - InvalidateRect((HWND) GetParent()->GetHWND(), &rect, TRUE); + delete m_image; + + m_image = NULL; } -bool wxStaticBitmap::MSWOnDraw(WXDRAWITEMSTRUCT *item) +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(); +} + +void wxStaticBitmap::SetImage( const wxGDIImage* image ) +{ + wxGDIImage* convertedImage = ConvertImage( *image ); + SetImageNoCopy( convertedImage ); +} + +void wxStaticBitmap::SetImageNoCopy( wxGDIImage* image) { - long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE); + Free(); + + 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); + #ifdef __WIN32__ - if ((style & 0xFF) == SS_BITMAP) - { - // Should we call Default() here? -// Default(); - - // Let default procedure draw the bitmap, which is defined - // in the Windows resource. - return FALSE; - } -#endif + 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 = image->GetWidth(), + height = image->GetHeight(); + if ( width && height ) + { + w = width; + h = height; + + ::MoveWindow(GetHwnd(), x, y, width, height, FALSE); + } + } + + 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_messageBitmap; - if ( !bitmap->Ok() ) - return FALSE; + wxCHECK_MSG( !m_isIcon, FALSE, _T("icons not supported in wxStaticBitmap") ); - HDC hDC = lpDIS->hDC; - HDC memDC = ::CreateCompatibleDC(hDC); + wxBitmap* bitmap = (wxBitmap *)m_image; + if ( !bitmap->Ok() ) + return FALSE; - HBITMAP old = ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP()); + HDC hDC = lpDIS->hDC; + HDC memDC = ::CreateCompatibleDC(hDC); - if (!old) - return FALSE; + HBITMAP old = (HBITMAP) ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP()); - RECT rect = lpDIS->rcItem; + 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; + 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)); + // 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); + ::BitBlt(hDC, x1, y1, bitmap->GetWidth(), bitmap->GetHeight(), memDC, 0, 0, SRCCOPY); - ::SelectObject(memDC, old); + ::SelectObject(memDC, old); ::DeleteDC(memDC); return TRUE; } +#endif // Win16 -long wxStaticBitmap::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +// 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; + // 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); + return wxWindow::MSWWindowProc(nMsg, wParam, lParam); } +#endif // wxUSE_STATBMP