]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/dcclient.cpp
Add wxGrid::RefreshAttr() method to force attribute refresh.
[wxWidgets.git] / src / os2 / dcclient.cpp
index af77090fd1610087023c5fa8f7bcf3b95f79efaf..ce890dab9e8badf7d9378332a28deb03b4ce91ea 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dcclient.cpp
+// Name:        src/os2/dcclient.cpp
 // Purpose:     wxClientDC class
 // Author:      David Webster
 // Modified by:
 // Purpose:     wxClientDC class
 // Author:      David Webster
 // Modified by:
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#include "wx/string.h"
-#include "wx/log.h"
-#include "wx/window.h"
+#include "wx/dcclient.h"
+#include "wx/os2/dcclient.h"
 
 
-#include "wx/os2/private.h"
+#ifndef WX_PRECOMP
+    #include "wx/string.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+    #include "wx/window.h"
+#endif
 
 
-#include "wx/dcclient.h"
+#include "wx/os2/private.h"
 
 // ----------------------------------------------------------------------------
 // array/list types
 
 // ----------------------------------------------------------------------------
 // array/list types
 
 struct WXDLLEXPORT wxPaintDCInfo
 {
 
 struct WXDLLEXPORT wxPaintDCInfo
 {
-    wxPaintDCInfo(wxWindow *win, wxDC *dc)
+    wxPaintDCInfo( wxWindow* pWin
+                  ,wxPaintDCImpl*     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"
 
 WX_DEFINE_OBJARRAY(wxArrayDCInfo);
 
 
 #include "wx/arrimpl.cpp"
 
 WX_DEFINE_OBJARRAY(wxArrayDCInfo);
 
-// ----------------------------------------------------------------------------
-// macros
-// ----------------------------------------------------------------------------
-
-    IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
-    IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
-    IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
-
 // ----------------------------------------------------------------------------
 // global variables
 // ----------------------------------------------------------------------------
 
 static RECT        g_paintStruct;
 
 // ----------------------------------------------------------------------------
 // global variables
 // ----------------------------------------------------------------------------
 
 static RECT        g_paintStruct;
 
-#ifdef __WXDEBUG__
+#ifdef wxHAS_PAINT_DEBUG
     // 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
     // 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;
     // very subtle and difficult to debug refresh/repaint bugs.
     int g_isPainting = 0;
-#endif // __WXDEBUG__
+#endif // wxHAS_PAINT_DEBUG
 
 // ===========================================================================
 // implementation
 // ===========================================================================
 
 // ----------------------------------------------------------------------------
 
 // ===========================================================================
 // implementation
 // ===========================================================================
 
 // ----------------------------------------------------------------------------
-// wxWindowDC
+// wxWindowDCImpl
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 
-wxWindowDC::wxWindowDC()
-{
-  m_pCanvas = NULL;
-}
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxPMDCImpl)
 
 
-wxWindowDC::wxWindowDC(wxWindow *the_canvas)
+wxWindowDCImpl::wxWindowDCImpl( wxDC *owner ) :
+   wxPMDCImpl( owner )
 {
 {
-  m_pCanvas = the_canvas;
-  m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(the_canvas) );
-  m_nDCCount++;
-  //
-  // 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_pCanvas->GetBackgroundColour(), wxSOLID));
+    m_PageSize.cx = m_PageSize.cy = 0;
 }
 
 }
 
-wxWindowDC::~wxWindowDC()
+wxWindowDCImpl::wxWindowDCImpl( wxDC *owner, wxWindow* pTheCanvas) :
+   wxPMDCImpl( owner )
 {
 {
-  if (m_pCanvas && 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
     //
     //
-    if(m_hPS)
+     m_hPS = ::GpiCreatePS( vHabmain
+                           ,m_hDC
+                           ,&m_PageSize
+                           ,PU_PELS | GPIF_LONG | GPIA_ASSOC
+                          );
+    if (!m_hPS)
     {
     {
-        ::GpiAssociate(m_hPS, NULLHANDLE);
-        ::GpiDestroyPS(m_hPS);
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+        wxLogError(wxT("Unable to create presentation space. Error: %s\n"), sError.c_str());
     }
     }
-    m_hPS = NULLHANDLE;
-    m_hDC = NULLHANDLE;
-  }
+    ::GpiAssociate(m_hPS, NULLHANDLE);
+    ::GpiAssociate(m_hPS, m_hDC);
 
 
-  m_nDCCount--;
-}
+    //
+    // 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(wxT("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 wxWindowDCImpl::wxWindowDCImpl
+
+void wxWindowDCImpl::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);
+    // since we are a window dc we need to grab the palette from the window
+#if wxUSE_PALETTE
+    InitializePalette();
+#endif
+    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 wxWindowDCImpl::InitDC
+
+void wxWindowDCImpl::DoGetSize(
+  int*                              pnWidth
+, int*                              pnHeight
+) const
+{
+    wxCHECK_RET( m_pCanvas, wxT("wxWindowDC without a window?") );
+    m_pCanvas->GetSize( pnWidth
+                       ,pnHeight
+                      );
+} // end of wxWindowDCImpl::DoGetSize
 
 // ----------------------------------------------------------------------------
 // wxClientDC
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // wxClientDC
 // ----------------------------------------------------------------------------
 
-wxClientDC::wxClientDC()
+IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl)
+
+wxClientDCImpl::wxClientDCImpl( wxDC *owner ) :
+   wxWindowDCImpl( owner )
 {
 {
-  m_pCanvas = NULL;
+    m_pCanvas = NULL;
 }
 
 }
 
-wxClientDC::wxClientDC(wxWindow *the_canvas)
+wxClientDCImpl::wxClientDCImpl( wxDC *owner, wxWindow *pTheCanvas) :
+   wxWindowDCImpl( owner )
 {
     SIZEL                           vSizl = { 0,0};
 {
     SIZEL                           vSizl = { 0,0};
+    ERRORID                         vError;
+    wxString                        sError;
 
 
-    m_pCanvas = the_canvas;
+    m_pCanvas = pTheCanvas;
 
     //
     // default under PM is that Window and Client DC's are the same
     //
 
     //
     // default under PM is that Window and Client DC's are the same
     //
-    m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(the_canvas));
+
+    m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(pTheCanvas));
+    printf("Got WindowDC %X for window handle %X\n", m_hDC, pTheCanvas);
+
     m_hPS = ::GpiCreatePS( wxGetInstance()
                           ,m_hDC
                           ,&vSizl
                           ,PU_PELS | GPIF_LONG | GPIA_ASSOC
                          );
     m_hPS = ::GpiCreatePS( wxGetInstance()
                           ,m_hDC
                           ,&vSizl
                           ,PU_PELS | GPIF_LONG | GPIA_ASSOC
                          );
-
+    ::GpiAssociate(m_hPS, NULLHANDLE);
+    ::GpiAssociate(m_hPS, m_hDC);
+
+    printf("Got m_hPS %X\n", m_hPS);
+    // 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(wxT("Unable to set current color table (4). Error: %s\n"), sError.c_str());
+    }
+    ::GpiCreateLogColorTable( m_hPS
+                             ,0L
+                             ,LCOLF_RGB
+                             ,0L
+                             ,0L
+                             ,NULL
+                            );
     //
     //
-    // Default mode is BM_LEAVEALONE so we make no call Set the mix
+    // Set the DC/PS rectangle
     //
     //
-    SetBackground(wxBrush( m_pCanvas->GetBackgroundColour()
-                          ,wxSOLID
-                         )
-                 );
-}
+    ::WinQueryWindowRect( GetWinHwnd(m_pCanvas)
+                         ,&m_vRclPaint
+                        );
+    InitDC();
+} // end of wxClientDCImpl::wxClientDCImpl
 
 
-wxClientDC::~wxClientDC()
+void wxClientDCImpl::InitDC()
 {
 {
-  if ( m_pCanvas && GetHdc() )
-  {
-    SelectOldObjects(m_hDC);
+    wxWindowDCImpl::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 wxClientDCImpl::InitDC
+
+wxClientDCImpl::~wxClientDCImpl()
+{
+} // end of wxClientDCImpl::~wxClientDCImpl
+
+void wxClientDCImpl::DoGetSize(
+  int*                              pnWidth
+, int*                              pnHeight
+) const
+{
+    wxCHECK_RET( m_pCanvas, wxT("wxWindowDC without a window?") );
+    m_pCanvas->GetClientSize( pnWidth
+                             ,pnHeight
+                            );
+} // end of wxClientDCImpl::DoGetSize
 
 // ----------------------------------------------------------------------------
 // wxPaintDC
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // 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()
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxWindowDCImpl)
+
+wxArrayDCInfo wxPaintDCImpl::ms_cache;
+
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner ) :
+   wxClientDCImpl( owner )
 {
     m_pCanvas = NULL;
     m_hDC = 0;
 }
 
 {
     m_pCanvas = NULL;
     m_hDC = 0;
 }
 
-wxPaintDC::wxPaintDC(
-  wxWindow*                         pCanvas
-)
+wxPaintDCImpl::wxPaintDCImpl( wxDC *owner, wxWindow *pCanvas) :
+   wxClientDCImpl( owner )
 {
     wxCHECK_RET(pCanvas, wxT("NULL canvas in wxPaintDC ctor"));
 
 {
     wxCHECK_RET(pCanvas, wxT("NULL canvas in wxPaintDC ctor"));
 
-#ifdef __WXDEBUG__
+#ifdef wxHAS_PAINT_DEBUG
     if (g_isPainting <= 0)
     {
         wxFAIL_MSG( wxT("wxPaintDC may be created only in EVT_PAINT handler!") );
         return;
     }
     if (g_isPainting <= 0)
     {
         wxFAIL_MSG( wxT("wxPaintDC may be created only in EVT_PAINT handler!") );
         return;
     }
-#endif // __WXDEBUG__
+#endif // wxHAS_PAINT_DEBUG
 
     m_pCanvas = pCanvas;
 
 
     m_pCanvas = pCanvas;
 
@@ -227,47 +325,67 @@ wxPaintDC::wxPaintDC(
 
     if (pInfo)
     {
 
     if (pInfo)
     {
-        m_hDC = pInfo->hdc;
-        pInfo->count++;
+        m_hDC = pInfo->m_hDC;
+        pInfo->m_nCount++;
     }
     else // not in cache, create a new one
     {
         HPS                         hPS;
 
     }
     else // not in cache, create a new one
     {
         HPS                         hPS;
 
+        m_hDC = ::WinOpenWindowDC(GetWinHwnd(m_pCanvas));
         hPS = ::WinBeginPaint( GetWinHwnd(m_pCanvas)
                               ,NULLHANDLE
                               ,&g_paintStruct
                              );
         if(hPS)
         {
         hPS = ::WinBeginPaint( GetWinHwnd(m_pCanvas)
                               ,NULLHANDLE
                               ,&g_paintStruct
                              );
         if(hPS)
         {
+            ::GpiAssociate(hPS, m_hDC);
             m_hOldPS = m_hPS;
             m_hPS = hPS;
             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;
-        m_hDC = (WXHDC) -1; // to satisfy those anonizmous efforts
-        m_vRclPaint = g_paintStruct;
+
+        m_bIsPaintTime   = true;
         ms_cache.Add(new wxPaintDCInfo(m_pCanvas, this));
     }
         ms_cache.Add(new wxPaintDCInfo(m_pCanvas, this));
     }
-    SetBackground(wxBrush(m_pCanvas->GetBackgroundColour(), wxSOLID));
-}
+    InitDC();
+} // end of wxPaintDCImpl::wxPaintDCImpl
 
 
-wxPaintDC::~wxPaintDC()
+wxPaintDCImpl::~wxPaintDCImpl()
 {
     if ( m_hDC )
     {
         SelectOldObjects(m_hDC);
 
 {
     if ( m_hDC )
     {
         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);
             m_hPS          = m_hOldPS;
         {
             ::WinEndPaint(m_hPS);
             m_hPS          = m_hOldPS;
-            m_bIsPaintTime = FALSE;
-            ms_cache.Remove(index);
+            m_bIsPaintTime = false;
+            ms_cache.RemoveAt(nIndex);
         }
         //else: cached DC entry is still in use
 
         }
         //else: cached DC entry is still in use
 
@@ -276,20 +394,41 @@ wxPaintDC::~wxPaintDC()
     }
 }
 
     }
 }
 
-wxPaintDCInfo *wxPaintDC::FindInCache(size_t *index) const
+wxPaintDCInfo* wxPaintDCImpl::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_pCanvas->GetHWND() )
+        pInfo = &ms_cache[n];
+        if (pInfo->m_hWnd == m_pCanvas->GetHWND())
         {
         {
-            if ( index )
-                *index = n;
+            if (pIndex)
+                *pIndex = n;
             break;
         }
     }
             break;
         }
     }
+    return pInfo;
+} // end of wxPaintDCImpl::FindInCache
 
 
-    return info;
-}
+// find the entry for this DC in the cache (keyed by the window)
+WXHDC wxPaintDCImpl::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 wxPaintDCImpl::FindInCache