X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/223d09f6b523aac674ef9b72a883dfa8d37c5d4e..8913c40c32bf45df97280c5b1e5a542bfc764ca8:/src/os2/dcclient.cpp diff --git a/src/os2/dcclient.cpp b/src/os2/dcclient.cpp index c32978beb7..b811e9a8df 100644 --- a/src/os2/dcclient.cpp +++ b/src/os2/dcclient.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dcclient.cpp +// Name: src/os2/dcclient.cpp // Purpose: wxClientDC class // Author: David Webster // Modified by: @@ -17,42 +17,39 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "dcclient.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" -#ifdef __BORLANDC__ - #pragma hdrstop -#endif +#include "wx/dcclient.h" -#include "wx/string.h" -#include "wx/log.h" -#include "wx/window.h" +#ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/log.h" + #include "wx/app.h" + #include "wx/window.h" +#endif #include "wx/os2/private.h" -#include "wx/dcclient.h" - // ---------------------------------------------------------------------------- // array/list types // ---------------------------------------------------------------------------- struct WXDLLEXPORT wxPaintDCInfo { - wxPaintDCInfo(wxWindow *win, wxDC *dc) + wxPaintDCInfo( wxWindow* pWin + ,wxDC* pDC + ) { - hwnd = win->GetHWND(); - hdc = dc->GetHDC(); - count = 1; + m_hWnd = pWin->GetHWND(); + m_hDC = pDC->GetHDC(); + m_nCount = 1; } - WXHWND hwnd; // window for this DC - WXHDC hdc; // the DC handle - size_t count; // usage count -}; + WXHWND m_hWnd; // window for this DC + WXHDC m_hDC; // the DC handle + size_t m_nCount; // usage count +}; // end of wxPaintDCInfot #include "wx/arrimpl.cpp" @@ -62,11 +59,9 @@ WX_DEFINE_OBJARRAY(wxArrayDCInfo); // macros // ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC) IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC) IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC) -#endif // ---------------------------------------------------------------------------- // global variables @@ -77,7 +72,7 @@ static RECT g_paintStruct; #ifdef __WXDEBUG__ // a global variable which we check to verify that wxPaintDC are only // created in resopnse to WM_PAINT message - doing this from elsewhere is a - // common programming error among wxWindows programmers and might lead to + // common programming error among wxWidgets programmers and might lead to // very subtle and difficult to debug refresh/repaint bugs. int g_isPainting = 0; #endif // __WXDEBUG__ @@ -92,49 +87,110 @@ static RECT g_paintStruct; wxWindowDC::wxWindowDC() { - m_canvas = NULL; -} + m_pCanvas = NULL; + m_PageSize.cx = m_PageSize.cy = 0; -wxWindowDC::wxWindowDC(wxWindow *the_canvas) -{ - m_canvas = the_canvas; - m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(the_canvas) ); - m_hDCCount++; - // - // default under PM is that Window and Client DC's are the same - // so we offer a separate Presentation Space to use for the - // entire window. Otherwise, calling BeginPaint will just create - // chached-micro client presentation space - // - m_hPS = GpiCreatePS( m_hab - ,m_hDC - ,&m_PageSize - ,PU_PELS | GPIF_LONG | GPIA_ASSOC - ); - ::GpiAssociate(m_hPS, NULLHANDLE); - ::GpiAssociate(m_hPS, m_hDC); - SetBackground(wxBrush(m_canvas->GetBackgroundColour(), wxSOLID)); } -wxWindowDC::~wxWindowDC() +wxWindowDC::wxWindowDC( + wxWindow* pTheCanvas +) { - if (m_canvas && m_hDC) - { - SelectOldObjects(m_hDC); + ERRORID vError; + wxString sError; + int nWidth, nHeight; + + m_pCanvas = pTheCanvas; + DoGetSize(&nWidth, &nHeight); + m_PageSize.cx = nWidth; + m_PageSize.cy = nHeight; + m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(pTheCanvas) ); // - // In PM one does not explicitly close or release an open WindowDC - // They automatically close with the window, unless explicitly detached - // but we need to destroy our PS + // default under PM is that Window and Client DC's are the same + // so we offer a separate Presentation Space to use for the + // entire window. Otherwise, calling BeginPaint will just create + // chached-micro client presentation space // + m_hPS = ::GpiCreatePS( vHabmain + ,m_hDC + ,&m_PageSize + ,PU_PELS | GPIF_LONG | GPIA_ASSOC + ); + if (!m_hPS) + { + vError = ::WinGetLastError(vHabmain); + sError = wxPMErrorToStr(vError); + wxLogError(_T("Unable to create presentation space. Error: %s\n"), sError.c_str()); + } ::GpiAssociate(m_hPS, NULLHANDLE); - ::GpiDestroyPS(m_hPS); - m_hPS = NULLHANDLE; - m_hDC = NULLHANDLE; - } + ::GpiAssociate(m_hPS, m_hDC); - m_hDCCount--; -} + // + // Set the wxWidgets color table + // + if (!::GpiCreateLogColorTable( m_hPS + ,0L + ,LCOLF_CONSECRGB + ,0L + ,(LONG)wxTheColourDatabase->m_nSize + ,(PLONG)wxTheColourDatabase->m_palTable + )) + { + vError = ::WinGetLastError(vHabmain); + sError = wxPMErrorToStr(vError); + wxLogError(_T("Unable to set current color table (3). Error: %s\n"), sError.c_str()); + } + ::GpiCreateLogColorTable( m_hPS + ,0L + ,LCOLF_RGB + ,0L + ,0L + ,NULL + ); + ::WinQueryWindowRect( GetWinHwnd(m_pCanvas) + ,&m_vRclPaint + ); + InitDC(); +} // end of wxWindowDC::wxWindowDC + +void wxWindowDC::InitDC() +{ + + // + // The background mode is only used for text background and is set in + // DrawText() to OPAQUE as required, otherwise always TRANSPARENT, + // + ::GpiSetBackMix(GetHPS(), BM_LEAVEALONE); + + // + // Default bg colour is pne of the window + // + SetBackground(wxBrush(m_pCanvas->GetBackgroundColour(), wxSOLID)); + + m_pen.SetColour(*wxBLACK); + m_brush.SetColour(*wxWHITE); + InitializePalette(); + wxFont* pFont = new wxFont( 10, wxMODERN, wxNORMAL, wxBOLD ); + SetFont(*pFont); + delete pFont; + // + // OS/2 default vertical character alignment needs to match the other OS's + // + ::GpiSetTextAlignment((HPS)GetHPS(), TA_NORMAL_HORIZ, TA_BOTTOM); + +} // end of wxWindowDC::InitDC + +void wxWindowDC::DoGetSize( + int* pnWidth +, int* pnHeight +) const +{ + wxCHECK_RET( m_pCanvas, _T("wxWindowDC without a window?") ); + m_pCanvas->GetSize( pnWidth + ,pnHeight + ); +} // end of wxWindowDC::DoGetSize // ---------------------------------------------------------------------------- // wxClientDC @@ -142,94 +198,170 @@ wxWindowDC::~wxWindowDC() wxClientDC::wxClientDC() { - m_canvas = NULL; + m_pCanvas = NULL; } -wxClientDC::wxClientDC(wxWindow *the_canvas) +wxClientDC::wxClientDC( + wxWindow* pTheCanvas +) { - m_canvas = the_canvas; + SIZEL vSizl = { 0,0}; + ERRORID vError; + wxString sError; - // - // default under PM is that Window and Client DC's are the same - // - m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(the_canvas)); + m_pCanvas = pTheCanvas; - // - // Default mode is BM_LEAVEALONE so we make no call Set the mix - // - SetBackground(wxBrush(m_canvas->GetBackgroundColour(), wxSOLID)); -} + // + // default under PM is that Window and Client DC's are the same + // + m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(pTheCanvas)); + m_hPS = ::GpiCreatePS( wxGetInstance() + ,m_hDC + ,&vSizl + ,PU_PELS | GPIF_LONG | GPIA_ASSOC + ); + + // Set the wxWidgets color table + if (!::GpiCreateLogColorTable( m_hPS + ,0L + ,LCOLF_CONSECRGB + ,0L + ,(LONG)wxTheColourDatabase->m_nSize + ,(PLONG)wxTheColourDatabase->m_palTable + )) + { + vError = ::WinGetLastError(vHabmain); + sError = wxPMErrorToStr(vError); + wxLogError(_T("Unable to set current color table (4). Error: %s\n"), sError.c_str()); + } + ::GpiCreateLogColorTable( m_hPS + ,0L + ,LCOLF_RGB + ,0L + ,0L + ,NULL + ); + // + // Set the DC/PS rectangle + // + ::WinQueryWindowRect( GetWinHwnd(m_pCanvas) + ,&m_vRclPaint + ); + InitDC(); +} // end of wxClientDC::wxClientDC -wxClientDC::~wxClientDC() +void wxClientDC::InitDC() { - if ( m_canvas && GetHdc() ) - { - SelectOldObjects(m_hDC); + wxWindowDC::InitDC(); - // We don't explicitly release Device contexts in PM and - // the cached micro PS is already gone + // in wxUniv build we must manually do some DC adjustments usually + // performed by Windows for us +#ifdef __WXUNIVERSAL__ + wxPoint ptOrigin = m_pCanvas->GetClientAreaOrigin(); + if ( ptOrigin.x || ptOrigin.y ) + { + // no need to shift DC origin if shift is null + SetDeviceOrigin(ptOrigin.x, ptOrigin.y); + } - m_hDC = 0; - } -} + // clip the DC to avoid overwriting the non client area + SetClippingRegion(wxPoint(0, 0), m_pCanvas->GetClientSize()); +#endif // __WXUNIVERSAL__ +} // end of wxClientDC::InitDC + +wxClientDC::~wxClientDC() +{ +} // end of wxClientDC::~wxClientDC + +void wxClientDC::DoGetSize( + int* pnWidth +, int* pnHeight +) const +{ + wxCHECK_RET( m_pCanvas, _T("wxWindowDC without a window?") ); + m_pCanvas->GetClientSize( pnWidth + ,pnHeight + ); +} // end of wxClientDC::DoGetSize // ---------------------------------------------------------------------------- // wxPaintDC // ---------------------------------------------------------------------------- -// VZ: initial implementation (by JACS) only remembered the last wxPaintDC -// created and tried to reuse - this was supposed to take care of a -// situation when a derived class OnPaint() calls base class OnPaint() -// because in this case ::BeginPaint() shouldn't be called second time. -// -// I'm not sure how useful this is, however we must remember the HWND -// associated with the last HDC as well - otherwise we may (and will!) try -// to reuse the HDC for another HWND which is a nice recipe for disaster. -// -// So we store a list of windows for which we already have the DC and not -// just one single hDC. This seems to work, but I'm really not sure about -// the usefullness of the whole idea - IMHO it's much better to not call -// base class OnPaint() at all, or, if we really want to allow it, add a -// "wxPaintDC *" parameter to wxPaintEvent which should be used if it's -// !NULL instead of creating a new DC. - wxArrayDCInfo wxPaintDC::ms_cache; wxPaintDC::wxPaintDC() { - m_canvas = NULL; + m_pCanvas = NULL; m_hDC = 0; } -wxPaintDC::wxPaintDC(wxWindow *canvas) +wxPaintDC::wxPaintDC( + wxWindow* pCanvas +) { - wxCHECK_RET( canvas, wxT("NULL canvas in wxPaintDC ctor") ); + wxCHECK_RET(pCanvas, wxT("NULL canvas in wxPaintDC ctor")); #ifdef __WXDEBUG__ - if ( g_isPainting <= 0 ) + if (g_isPainting <= 0) { wxFAIL_MSG( wxT("wxPaintDC may be created only in EVT_PAINT handler!") ); - return; } #endif // __WXDEBUG__ - m_canvas = canvas; + m_pCanvas = pCanvas; - // do we have a DC for this window in the cache? - wxPaintDCInfo *info = FindInCache(); - if ( info ) + // + // Do we have a DC for this window in the cache? + // + wxPaintDCInfo* pInfo = FindInCache(); + + if (pInfo) { - m_hDC = info->hdc; - info->count++; + m_hDC = pInfo->m_hDC; + pInfo->m_nCount++; } else // not in cache, create a new one { - m_hDC = (WXHDC)::WinBeginPaint(GetWinHwnd(m_canvas), NULLHANDLE, &g_paintStruct); - ms_cache.Add(new wxPaintDCInfo(m_canvas, this)); + HPS hPS; + + m_hDC = ::WinOpenWindowDC(GetWinHwnd(m_pCanvas)); + hPS = ::WinBeginPaint( GetWinHwnd(m_pCanvas) + ,NULLHANDLE + ,&g_paintStruct + ); + if(hPS) + { + ::GpiAssociate(hPS, m_hDC); + m_hOldPS = m_hPS; + m_hPS = hPS; + ::GpiCreateLogColorTable( m_hPS + ,0L + ,LCOLF_CONSECRGB + ,0L + ,(LONG)wxTheColourDatabase->m_nSize + ,(PLONG)wxTheColourDatabase->m_palTable + ); + ::GpiCreateLogColorTable( m_hPS + ,0L + ,LCOLF_RGB + ,0L + ,0L + ,NULL + ); + + ::WinFillRect(hPS, &g_paintStruct, m_pCanvas->GetBackgroundColour().GetPixel()); + ::WinQueryWindowRect( GetWinHwnd(m_pCanvas) + ,&m_vRclPaint + ); + } + + m_bIsPaintTime = true; + ms_cache.Add(new wxPaintDCInfo(m_pCanvas, this)); } - SetBackground(wxBrush(m_canvas->GetBackgroundColour(), wxSOLID)); -} + InitDC(); +} // end of wxPaintDC::wxPaintDC wxPaintDC::~wxPaintDC() { @@ -237,16 +369,17 @@ wxPaintDC::~wxPaintDC() { SelectOldObjects(m_hDC); - size_t index; - wxPaintDCInfo *info = FindInCache(&index); + size_t nIndex; + wxPaintDCInfo* pInfo = FindInCache(&nIndex); - wxCHECK_RET( info, wxT("existing DC should have a cache entry") ); + wxCHECK_RET( pInfo, wxT("existing DC should have a cache entry") ); - if ( !--info->count ) + if ( !--pInfo->m_nCount ) { ::WinEndPaint(m_hPS); - - ms_cache.Remove(index); + m_hPS = m_hOldPS; + m_bIsPaintTime = false; + ms_cache.RemoveAt(nIndex); } //else: cached DC entry is still in use @@ -255,20 +388,41 @@ wxPaintDC::~wxPaintDC() } } -wxPaintDCInfo *wxPaintDC::FindInCache(size_t *index) const +wxPaintDCInfo* wxPaintDC::FindInCache( + size_t* pIndex +) const { - wxPaintDCInfo *info = NULL; - size_t nCache = ms_cache.GetCount(); - for ( size_t n = 0; n < nCache; n++ ) + wxPaintDCInfo* pInfo = NULL; + size_t nCache = ms_cache.GetCount(); + + for (size_t n = 0; n < nCache; n++) { - info = &ms_cache[n]; - if ( info->hwnd == m_canvas->GetHWND() ) + pInfo = &ms_cache[n]; + if (pInfo->m_hWnd == m_pCanvas->GetHWND()) { - if ( index ) - *index = n; + if (pIndex) + *pIndex = n; break; } } + return pInfo; +} // end of wxPaintDC::FindInCache - return info; -} +// find the entry for this DC in the cache (keyed by the window) +WXHDC wxPaintDC::FindDCInCache( + wxWindow* pWin +) +{ + wxPaintDCInfo* pInfo = NULL; + size_t nCache = ms_cache.GetCount(); + + for (size_t n = 0; n < nCache; n++) + { + pInfo = &ms_cache[n]; + if (pInfo->m_hWnd == pWin->GetHWND()) + { + return pInfo->m_hDC; + } + } + return 0; +} // end of wxPaintDC::FindInCache