Initialise DC only when needed and deinitilise it properly before, fixes #10543:...

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

diff --git a/src/os2/window.cpp b/src/os2/window.cpp
index 3250350bc3a9811a17d9bb372b72dfa13a0cfc78..36548384d62cf83104383464598a4ee6a5f7662f 100644 (file)
--- a/src/os2/window.cpp
+++ b/src/os2/window.cpp
@@ -51,6 +51,8 @@
     #include <stdio.h>
 #endif
 
+#include "wx/os2/dcclient.h"
+
 #if wxUSE_OWNER_DRAWN
     #include "wx/ownerdrw.h"
 #endif
@@ -121,7 +123,7 @@
 QMSG                      s_currentMsg;
 
 #if wxUSE_MENUS_NATIVE
-wxMenu*                   wxCurrentPopupMenu = NULL;
+extern wxMenu*            wxCurrentPopupMenu;
 #endif // wxUSE_MENUS_NATIVE
 
 // ---------------------------------------------------------------------------
@@ -332,7 +334,7 @@ void wxWindowOS2::Init()
 //
 wxWindowOS2::~wxWindowOS2()
 {
-    m_isBeingDeleted = true;
+    SendDestroyEvent();
 
     for (wxWindow* pWin = GetParent(); pWin; pWin = pWin->GetParent())
     {
@@ -543,7 +545,7 @@ void wxWindowOS2::DoReleaseMouse()
 /* static */ wxWindow* wxWindowBase::GetCapture()
 {
     HWND hwnd = ::WinQueryCapture(HWND_DESKTOP);
-    return hwnd ? wxFindWinFromHandle((WXHWND)hwnd) : (wxWindow *)NULL;
+    return hwnd ? wxFindWinFromHandle((WXHWND)hwnd) : NULL;
 } // end of wxWindowBase::GetCapture
 
 bool wxWindowOS2::SetFont( const wxFont& rFont )
@@ -1082,7 +1084,7 @@ void wxWindowOS2::OnIdle(
                            ,vPoint.y
                            ,nState
                           );
-            (void)GetEventHandler()->ProcessEvent(rEvent);
+            (void)HandleWindowEvent(rEvent);
         }
     }
     if (wxUpdateUIEvent::CanUpdate(this))
@@ -1092,7 +1094,7 @@ void wxWindowOS2::OnIdle(
 //
 // Set this window to be the child of 'parent'.
 //
-bool wxWindowOS2::Reparent( wxWindow* pParent)
+bool wxWindowOS2::Reparent( wxWindowBase* pParent)
 {
     if (!wxWindowBase::Reparent(pParent))
         return false;
@@ -1109,12 +1111,12 @@ void wxWindowOS2::Update()
     ::WinUpdateWindow(GetHwnd());
 } // end of wxWindowOS2::Update
 
-void wxWindowOS2::Freeze()
+void wxWindowOS2::DoFreeze()
 {
    ::WinSendMsg(GetHwnd(), WM_VRNDISABLED, (MPARAM)0, (MPARAM)0);
 } // end of wxWindowOS2::Freeze
 
-void wxWindowOS2::Thaw()
+void wxWindowOS2::DoThaw()
 {
    ::WinSendMsg(GetHwnd(), WM_VRNENABLED, (MPARAM)TRUE, (MPARAM)0);
 
@@ -1620,7 +1622,7 @@ void wxWindowOS2::DoSetClientSize( int nWidth,
     wxSize size( nWidth, nHeight );
     wxSizeEvent vEvent( size, m_windowId );
     vEvent.SetEventObject(this);
-    GetEventHandler()->ProcessEvent(vEvent);
+    HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::DoSetClientSize
 
 // ---------------------------------------------------------------------------
@@ -1784,10 +1786,6 @@ bool wxWindowOS2::DoPopupMenu( wxMenu* pMenu, int nX, int nY )
     bool bIsWaiting = true;
     int nHeight;
 
-    // Protect against recursion
-    if (wxCurrentPopupMenu)
-        return false;
-
     pMenu->SetInvokingWindow(this);
     pMenu->UpdateUI();
 
@@ -1804,7 +1802,6 @@ bool wxWindowOS2::DoPopupMenu( wxMenu* pMenu, int nX, int nY )
         DoGetSize(0,&nHeight);
         nY = nHeight - nY;
     }
-    wxCurrentPopupMenu = pMenu;
 
     ::WinPopupMenu( hWndParent
                    ,hWndOwner
@@ -1825,7 +1822,6 @@ bool wxWindowOS2::DoPopupMenu( wxMenu* pMenu, int nX, int nY )
         ::WinDispatchMsg(vHabmain, (PQMSG)&vMsg);
     }
 
-    wxCurrentPopupMenu = NULL;
     pMenu->SetInvokingWindow(NULL);
     return true;
 } // end of wxWindowOS2::DoPopupMenu
@@ -2001,7 +1997,7 @@ bool wxWindowOS2::OS2ProcessMessage( WXMSG* pMsg )
                 vEvent.SetWindowChange(bWindowChange);
                 vEvent.SetEventObject(this);
 
-                if (GetEventHandler()->ProcessEvent(vEvent))
+                if (HandleWindowEvent(vEvent))
                 {
                     wxButton*       pBtn = wxDynamicCast(FindFocus(), wxButton);
 
@@ -2552,7 +2548,7 @@ MRESULT wxWindowOS2::OS2WindowProc( WXUINT uMsg,
                             (pPage->ulPageIdNew > 0L && pPage->ulPageIdCur > 0L))
                         {
                             wxWindowOS2*        pWin = wxFindWinFromHandle(pPage->hwndBook);
-                            wxNotebookEvent     vEvent( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED
+                            wxBookCtrlEvent     vEvent( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED
                                                        ,(int)SHORT1FROMMP(wParam)
                                                        ,(int)pPage->ulPageIdNew
                                                        ,(int)pPage->ulPageIdCur
@@ -3027,7 +3023,7 @@ bool wxWindowOS2::HandleCreate( WXLPCREATESTRUCT WXUNUSED(vCs),
 {
     wxWindowCreateEvent             vEvent((wxWindow*)this);
 
-    (void)GetEventHandler()->ProcessEvent(vEvent);
+    (void)HandleWindowEvent(vEvent);
     *pbMayCreate = true;
     return true;
 } // end of wxWindowOS2::HandleCreate
@@ -3036,7 +3032,7 @@ bool wxWindowOS2::HandleDestroy()
 {
     wxWindowDestroyEvent            vEvent((wxWindow*)this);
     vEvent.SetId(GetId());
-    (void)GetEventHandler()->ProcessEvent(vEvent);
+    (void)HandleWindowEvent(vEvent);
 
     //
     // Delete our drop target if we've got one
@@ -3075,7 +3071,7 @@ bool wxWindowOS2::HandleActivate(
                                            ,m_windowId
                                           );
     vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandleActivate
 
 bool wxWindowOS2::HandleSetFocus( WXHWND WXUNUSED(hWnd) )
@@ -3085,7 +3081,7 @@ bool wxWindowOS2::HandleSetFocus( WXHWND WXUNUSED(hWnd) )
     // purposes that we got it
     //
     wxChildFocusEvent               vEventFocus((wxWindow *)this);
-    (void)GetEventHandler()->ProcessEvent(vEventFocus);
+    (void)HandleWindowEvent(vEventFocus);
 
 #if wxUSE_CARET
     //
@@ -3109,7 +3105,7 @@ bool wxWindowOS2::HandleSetFocus( WXHWND WXUNUSED(hWnd) )
     wxFocusEvent                    vEvent(wxEVT_SET_FOCUS, m_windowId);
 
     vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandleSetFocus
 
 bool wxWindowOS2::HandleKillFocus( WXHWND hWnd )
@@ -3156,7 +3152,7 @@ bool wxWindowOS2::HandleKillFocus( WXHWND hWnd )
     // wxFindWinFromHandle() may return NULL, it is ok
     //
     vEvent.SetWindow(wxFindWinFromHandle(hWnd));
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandleKillFocus
 
 // ---------------------------------------------------------------------------
@@ -3171,7 +3167,7 @@ bool wxWindowOS2::HandleShow(
     wxShowEvent                     vEvent(GetId(), bShow);
 
     vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandleShow
 
 bool wxWindowOS2::HandleInitDialog( WXHWND WXUNUSED(hWndFocus) )
@@ -3179,7 +3175,7 @@ bool wxWindowOS2::HandleInitDialog( WXHWND WXUNUSED(hWndFocus) )
     wxInitDialogEvent               vEvent(GetId());
 
     vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandleInitDialog
 
 bool wxWindowOS2::HandleEndDrag(WXWPARAM WXUNUSED(wParam))
@@ -3206,7 +3202,7 @@ bool wxWindowOS2::OS2OnDrawItem( int vId,
                                  WXDRAWITEMSTRUCT* pItemStruct )
 {
 #if wxUSE_OWNER_DRAWN
-    wxDC                            vDc;
+    wxClientDC                      vDc(this);
 
 #if wxUSE_MENUS_NATIVE
     //
@@ -3225,8 +3221,10 @@ bool wxWindowOS2::OS2OnDrawItem( int vId,
                                           ,pMeasureStruct->rclItem.xRight - pMeasureStruct->rclItem.xLeft
                                           ,pMeasureStruct->rclItem.yTop - pMeasureStruct->rclItem.yBottom
                                          );
-        vDc.SetHDC( hDC, false );
-        vDc.SetHPS( pMeasureStruct->hps );
+
+       wxPMDCImpl *impl = (wxPMDCImpl*) vDc.GetImpl();
+        impl->SetHDC( hDC, false );
+        impl->SetHPS( pMeasureStruct->hps );
         //
         // Load the wxWidgets Pallete and set to RGB mode
         //
@@ -3416,7 +3414,7 @@ bool wxWindowOS2::HandleSysColorChange()
     wxSysColourChangedEvent         vEvent;
 
     vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandleSysColorChange
 
 bool wxWindowOS2::HandleCtlColor( WXHBRUSH* WXUNUSED(phBrush) )
@@ -3449,7 +3447,7 @@ bool wxWindowOS2::HandlePaletteChanged()
     vEvent.SetEventObject(this);
     vEvent.SetChangedWindow(wxFindWinFromHandle(hWndPalChange));
 
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandlePaletteChanged
 
 //
@@ -3473,7 +3471,7 @@ void wxWindowOS2::OnSysColourChanged(
             wxSysColourChangedEvent vEvent;
 
             rEvent.SetEventObject(pWin);
-            pWin->GetEventHandler()->ProcessEvent(vEvent);
+            pWin->HandleWindowEvent(vEvent);
         }
         node = node->GetNext();
     }
@@ -3487,7 +3485,7 @@ void wxWindow::OnPaint (
   wxPaintEvent&                     rEvent
 )
 {
-    HDC                             hDC = (HDC)wxPaintDC::FindDCInCache((wxWindow*) rEvent.GetEventObject());
+    HDC                             hDC = (HDC)wxPaintDCImpl::FindDCInCache((wxWindow*) rEvent.GetEventObject());
 
     if (hDC != 0)
     {
@@ -3558,7 +3556,7 @@ bool wxWindowOS2::HandlePaint()
     m_updateRegion = wxRegion(hRgn, hPS);
 
     vEvent.SetEventObject(this);
-    bProcessed = GetEventHandler()->ProcessEvent(vEvent);
+    bProcessed = HandleWindowEvent(vEvent);
 
     if (!bProcessed &&
          IsKindOf(CLASSINFO(wxPanel)) &&
@@ -3672,25 +3670,26 @@ bool wxWindowOS2::HandleEraseBkgnd( WXHDC hDC )
     if (vSwp.fl & SWP_MINIMIZE)
         return true;
 
-    wxDC vDC;
-
-    vDC.m_hPS = (HPS)hDC; // this is really a PS
-    vDC.SetWindow((wxWindow*)this);
+    wxClientDC vDC(this);
+    wxPMDCImpl *impl = (wxPMDCImpl*) vDC.GetImpl();
+    impl->SetHDC(hDC);
+    impl->SetHPS((HPS)hDC); // this is really a PS
 
     wxEraseEvent vEvent(m_windowId, &vDC);
 
     vEvent.SetEventObject(this);
 
-    rc = GetEventHandler()->ProcessEvent(vEvent);
+    rc = HandleWindowEvent(vEvent);
 
-    vDC.m_hPS = NULLHANDLE;
+    impl->SetHPS(NULLHANDLE);
     return true;
 } // end of wxWindowOS2::HandleEraseBkgnd
 
 void wxWindowOS2::OnEraseBackground(wxEraseEvent& rEvent)
 {
     RECTL   vRect;
-    HPS     hPS = rEvent.GetDC()->GetHPS();
+    wxPMDCImpl *impl = (wxPMDCImpl*) rEvent.GetDC()->GetImpl();
+    HPS     hPS = impl->GetHPS();
     APIRET  rc;
     LONG    lColor = m_backgroundColour.GetPixel();
 
@@ -3707,7 +3706,7 @@ bool wxWindowOS2::HandleMinimize()
     wxIconizeEvent                  vEvent(m_windowId);
 
     vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandleMinimize
 
 bool wxWindowOS2::HandleMaximize()
@@ -3715,7 +3714,7 @@ bool wxWindowOS2::HandleMaximize()
     wxMaximizeEvent                 vEvent(m_windowId);
 
     vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandleMaximize
 
 bool wxWindowOS2::HandleMove( int nX, int nY )
@@ -3724,7 +3723,7 @@ bool wxWindowOS2::HandleMove( int nX, int nY )
     wxMoveEvent vEvent(pt, m_windowId);
 
     vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 }  // end of wxWindowOS2::HandleMove
 
 bool wxWindowOS2::HandleSize( int    nWidth,
@@ -3735,7 +3734,7 @@ bool wxWindowOS2::HandleSize( int    nWidth,
     wxSizeEvent vEvent(sz, m_windowId);
 
     vEvent.SetEventObject(this);
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::HandleSize
 
 bool wxWindowOS2::HandleGetMinMaxInfo( PSWP pSwp )
@@ -3880,7 +3879,7 @@ bool wxWindowOS2::HandleMouseEvent( WXUINT uMsg,
                        ,uFlags
                        );
 
-        bProcessed = GetEventHandler()->ProcessEvent(vEvent);
+        bProcessed = HandleWindowEvent(vEvent);
         if (!bProcessed)
         {
             HPOINTER hCursor = (HPOINTER)GetCursor().GetHCURSOR();
@@ -3914,7 +3913,7 @@ bool wxWindowOS2::HandleMouseMove( int nX,
                        ,uFlags
                       );
 
-        (void)GetEventHandler()->ProcessEvent(vEvent);
+        (void)HandleWindowEvent(vEvent);
     }
     return HandleMouseEvent( WM_MOUSEMOVE
                             ,nX
@@ -4036,7 +4035,7 @@ bool wxWindowOS2::HandleChar( WXWPARAM WXUNUSED(wParam),
         vEvent.m_controlDown = true;
     }
 
-    return (GetEventHandler()->ProcessEvent(vEvent));
+    return (HandleWindowEvent(vEvent));
 }
 
 bool wxWindowOS2::HandleKeyDown( WXWPARAM wParam,
@@ -4060,7 +4059,7 @@ bool wxWindowOS2::HandleKeyDown( WXWPARAM wParam,
                                           ,(MPARAM)wParam
                                          ));
 
-        if (GetEventHandler()->ProcessEvent(vEvent))
+        if (HandleWindowEvent(vEvent))
         {
             return true;
         }
@@ -4089,7 +4088,7 @@ bool wxWindowOS2::HandleKeyUp( WXWPARAM wParam,
                                          ,(MPARAM)wParam
                                         ));
 
-        if (GetEventHandler()->ProcessEvent(vEvent))
+        if (HandleWindowEvent(vEvent))
             return true;
     }
     return false;
@@ -4155,7 +4154,7 @@ bool wxWindowOS2::OS2OnScroll( int nOrientation,
         default:
             return false;
     }
-    return GetEventHandler()->ProcessEvent(vEvent);
+    return HandleWindowEvent(vEvent);
 } // end of wxWindowOS2::OS2OnScroll
 
 //