Preserve previous state of sizers.

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

diff --git a/src/os2/dcclient.cpp b/src/os2/dcclient.cpp
index af77090fd1610087023c5fa8f7bcf3b95f79efaf..d02dd2bdcfcd694567846b5c7805f9ea6dc4ddd1 100644 (file)
--- a/src/os2/dcclient.cpp
+++ b/src/os2/dcclient.cpp
@@ -23,6 +23,7 @@
 #include "wx/string.h"
 #include "wx/log.h"
 #include "wx/window.h"
 #include "wx/string.h"
 #include "wx/log.h"
 #include "wx/window.h"

+#include "wx/app.h"

 
 #include "wx/os2/private.h"
 
 
 #include "wx/os2/private.h"
 


@@ -34,17 +35,19 @@
 
 struct WXDLLEXPORT wxPaintDCInfo
 {
 
 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"
 
 
 #include "wx/arrimpl.cpp"
 


@@ -67,7 +70,7 @@ 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
 #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__
     // very subtle and difficult to debug refresh/repaint bugs.
     int g_isPainting = 0;
 #endif // __WXDEBUG__


@@ -82,52 +85,117 @@ static RECT        g_paintStruct;
 
 wxWindowDC::wxWindowDC()
 {
 
 wxWindowDC::wxWindowDC()
 {

-  m_pCanvas = NULL;
-}
+    m_pCanvas = NULL;
+    m_PageSize.cx = m_PageSize.cy = 0;

 
 

-wxWindowDC::wxWindowDC(wxWindow *the_canvas)
-{
-  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));

 }
 
 }
 

-wxWindowDC::~wxWindowDC()
+wxWindowDC::wxWindowDC(
+  wxWindow*                         pTheCanvas
+)

 {
 {

-  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) );
+
+    //
+    // 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("Unable to create presentation space. Error: %s\n", sError.c_str());
+    }
+    ::GpiAssociate(m_hPS, NULLHANDLE);
+    ::GpiAssociate(m_hPS, m_hDC);

 
     //
 
     //

-    // 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
+    // Set the wxWidgets color table

     //
     //

-    if(m_hPS)
+    if (!::GpiCreateLogColorTable( m_hPS
+                                  ,0L
+                                  ,LCOLF_CONSECRGB
+                                  ,0L
+                                  ,(LONG)wxTheColourDatabase->m_nSize
+                                  ,(PLONG)wxTheColourDatabase->m_palTable
+                                 ))

     {
     {

-        ::GpiAssociate(m_hPS, NULLHANDLE);
-        ::GpiDestroyPS(m_hPS);
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+        wxLogError("Unable to set current color table. Error: %s\n", sError.c_str());

     }
     }

-    m_hPS = NULLHANDLE;
-    m_hDC = NULLHANDLE;
-  }
+    ::GpiCreateLogColorTable( m_hPS
+                             ,0L
+                             ,LCOLF_RGB
+                             ,0L
+                             ,0L
+                             ,NULL
+                            );
+    ::WinQueryWindowRect( GetWinHwnd(m_pCanvas)
+                         ,&m_vRclPaint
+                        );
+    InitDC();
+} // end of wxWindowDC::wxWindowDC
+
+void wxWindowDC::InitDC()
+{

 
 

-  m_nDCCount--;
-}
+    //
+    // 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));
+
+    wxColour vColor( wxT("BLACK") );
+    m_pen.SetColour(vColor);
+
+    vColor.Set( wxT("WHITE") );
+    m_brush.SetColour(vColor);
+    InitializePalette();
+    wxFont*                         pFont = new wxFont( 12
+                                                       ,wxNORMAL
+                                                       ,wxNORMAL
+                                                       ,wxBOLD
+                                                      );
+    SetFont(*pFont);
+    delete pFont;
+    //
+    // OS/2 default vertical character allignment 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
 
 // ----------------------------------------------------------------------------
 // wxClientDC


@@ -135,67 +203,96 @@ wxWindowDC::~wxWindowDC()
 
 wxClientDC::wxClientDC()
 {
 
 wxClientDC::wxClientDC()
 {

-  m_pCanvas = NULL;
+    m_pCanvas = NULL;

 }
 
 }
 

-wxClientDC::wxClientDC(wxWindow *the_canvas)
+wxClientDC::wxClientDC(
+  wxWindow*                         pTheCanvas
+)

 {
     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));

     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
                          );
 

+    // 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("Unable to set current color table. 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 wxClientDC::wxClientDC

 
 

-wxClientDC::~wxClientDC()
+void wxClientDC::InitDC()

 {
 {

-  if ( m_pCanvas && GetHdc() )
-  {
-    SelectOldObjects(m_hDC);
+    wxWindowDC::InitDC();
+
+    // 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);
+    }

 
 

-    // We don't explicitly release Device contexts in PM and
-    // the cached micro PS is already gone
+    // clip the DC to avoid overwriting the non client area
+    SetClippingRegion(wxPoint(0, 0), m_pCanvas->GetClientSize());
+#endif // __WXUNIVERSAL__
+} // end of wxClientDC::InitDC

 
 

-    m_hDC = 0;
-  }
-}
+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
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // 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()
 wxArrayDCInfo wxPaintDC::ms_cache;
 
 wxPaintDC::wxPaintDC()


@@ -227,29 +324,49 @@ 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_bIsPaintTime   = TRUE;

-        m_hDC = (WXHDC) -1; // to satisfy those anonizmous efforts
-        m_vRclPaint = g_paintStruct;

         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 wxPaintDC::wxPaintDC

 
 wxPaintDC::~wxPaintDC()
 {
 
 wxPaintDC::~wxPaintDC()
 {


@@ -257,17 +374,17 @@ wxPaintDC::~wxPaintDC()
     {
         SelectOldObjects(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;
             m_bIsPaintTime = FALSE;
         {
             ::WinEndPaint(m_hPS);
             m_hPS          = m_hOldPS;
             m_bIsPaintTime = FALSE;

-            ms_cache.Remove(index);
+            ms_cache.RemoveAt(nIndex);

         }
         //else: cached DC entry is still in use
 
         }
         //else: cached DC entry is still in use
 


@@ -276,20 +393,42 @@ 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;
         }
     }
             break;
         }
     }

+    return pInfo;
+} // end of wxPaintDC::FindInCache
+
+// 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

 
 

-    return info;
-}