some little doc tweaks

[wxWidgets.git] / src / os2 / dcclient.cpp

diff --git a/src/os2/dcclient.cpp b/src/os2/dcclient.cpp
index 7c4950211d3cc90e42135dd8941b6779d9f4ed31..1875e60cfbaa88217583e4452128579c1015ff2e 100644 (file)
--- a/src/os2/dcclient.cpp
+++ b/src/os2/dcclient.cpp
@@ -34,17 +34,19 @@
 
 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"
 
@@ -85,13 +87,15 @@ wxWindowDC::wxWindowDC()
     m_pCanvas = NULL;
 }
 
-wxWindowDC::wxWindowDC(wxWindow *the_canvas)
+wxWindowDC::wxWindowDC(
+  wxWindow*                         pTheCanvas
+)
 {
     ERRORID                         vError;
     wxString                        sError;
 
-    m_pCanvas = the_canvas;
-    m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(the_canvas) );
+    m_pCanvas = pTheCanvas;
+    m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(pTheCanvas) );
     m_nDCCount++;
     //
     // default under PM is that Window and Client DC's are the same
@@ -119,7 +123,17 @@ wxWindowDC::wxWindowDC(wxWindow *the_canvas)
         sError = wxPMErrorToStr(vError);
         wxLogError("Unable to set current color table. Error: %s\n", sError);
     }
+    ::GpiCreateLogColorTable( m_hPS
+                             ,0L
+                             ,LCOLF_RGB
+                             ,0L
+                             ,0L
+                             ,NULL
+                            );
     SetBackground(wxBrush(m_pCanvas->GetBackgroundColour(), wxSOLID));
+    ::WinQueryWindowRect( GetWinHwnd(m_pCanvas)
+                         ,&m_vRclPaint
+                        );
 }
 
 wxWindowDC::~wxWindowDC()
@@ -153,18 +167,20 @@ wxClientDC::wxClientDC()
     m_pCanvas = NULL;
 }
 
-wxClientDC::wxClientDC(wxWindow *the_canvas)
+wxClientDC::wxClientDC(
+  wxWindow*                         pTheCanvas
+)
 {
     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
     //
-    m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(the_canvas));
+    m_hDC = (WXHDC) ::WinOpenWindowDC(GetWinHwnd(pTheCanvas));
     m_hPS = ::GpiCreatePS( wxGetInstance()
                           ,m_hDC
                           ,&vSizl
@@ -184,6 +200,13 @@ wxClientDC::wxClientDC(wxWindow *the_canvas)
         sError = wxPMErrorToStr(vError);
         wxLogError("Unable to set current color table. Error: %s\n", sError);
     }
+    ::GpiCreateLogColorTable( m_hPS
+                             ,0L
+                             ,LCOLF_RGB
+                             ,0L
+                             ,0L
+                             ,NULL
+                            );
     //
     // Default mode is BM_LEAVEALONE so we make no call Set the mix
     //
@@ -191,7 +214,13 @@ wxClientDC::wxClientDC(wxWindow *the_canvas)
                           ,wxSOLID
                          )
                  );
-}
+    //
+    // Set the DC/PS rectangle
+    //
+    ::WinQueryWindowRect( GetWinHwnd(m_pCanvas)
+                         ,&m_vRclPaint
+                        );
+} // end of wxClientDC::wxClientDC
 
 wxClientDC::~wxClientDC()
 {
@@ -205,7 +234,7 @@ wxClientDC::~wxClientDC()
         //
         m_hDC = 0;
     }
-}
+} // end of wxClientDC::~wxClientDC
 
 // ----------------------------------------------------------------------------
 // wxPaintDC
@@ -259,8 +288,8 @@ wxPaintDC::wxPaintDC(
 
     if (pInfo)
     {
-        m_hDC = pInfo->hdc;
-        pInfo->count++;
+        m_hDC = pInfo->m_hDC;
+        pInfo->m_nCount++;
     }
     else // not in cache, create a new one
     {
@@ -272,6 +301,10 @@ wxPaintDC::wxPaintDC(
                              );
         if(hPS)
         {
+            POINTL                          vPoint[2];
+            LONG                            lControl;
+            LONG                            lColor;
+
             m_hOldPS = m_hPS;
             m_hPS = hPS;
             ::GpiCreateLogColorTable( m_hPS
@@ -288,10 +321,15 @@ wxPaintDC::wxPaintDC(
                                      ,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;
         ms_cache.Add(new wxPaintDCInfo(m_pCanvas, this));
     }
     SetBackground(wxBrush(m_pCanvas->GetBackgroundColour(), wxSOLID));
@@ -303,17 +341,17 @@ 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);
             m_hPS          = m_hOldPS;
             m_bIsPaintTime = FALSE;
-            ms_cache.Remove(index);
+            ms_cache.Remove(nIndex);
         }
         //else: cached DC entry is still in use
 
@@ -322,20 +360,23 @@ 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_pCanvas->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;
-}