Applied patch [ 864469 ] WaitForAccept(): 100% CPU Usage (NON-GUI application)

[wxWidgets.git] / src / common / prntbase.cpp

diff --git a/src/common/prntbase.cpp b/src/common/prntbase.cpp
index 581a057ba31e1fa7888ccb78cfe4c356f112660c..c047f6d3cd258c909bccea78d6013b450d227a2b 100644 (file)
--- a/src/common/prntbase.cpp
+++ b/src/common/prntbase.cpp
@@ -195,7 +195,7 @@ wxScrolledWindow(parent, -1, pos, size, style, name)
     wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
 #else
     wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
-#endif    
+#endif
     SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
 
     SetScrollbars(10, 10, 100, 100);
@@ -232,7 +232,7 @@ void wxPreviewCanvas::OnSysColourChanged(wxSysColourChangedEvent& event)
     wxSystemColour colourIndex = wxSYS_COLOUR_3DDKSHADOW;
 #else
     wxSystemColour colourIndex = wxSYS_COLOUR_APPWORKSPACE;
-#endif    
+#endif
     SetBackgroundColour(wxSystemSettings::GetColour(colourIndex));
     Refresh();
 
@@ -247,7 +247,7 @@ void wxPreviewCanvas::OnChar(wxKeyEvent &event)
     {
         ((wxPreviewFrame*) GetParent())->Close(TRUE);
         return;
-    }    
+    }
     else if (event.GetKeyCode() == WXK_TAB)
     {
         controlBar->OnGoto();
@@ -264,7 +264,7 @@ void wxPreviewCanvas::OnChar(wxKeyEvent &event)
         event.Skip();
         return;
     }
-    
+
     switch(event.GetKeyCode())
     {
         case WXK_NEXT:
@@ -433,58 +433,58 @@ void wxPreviewControlBar::CreateButtons()
     SetSize(0, 0, 400, 40);
 
     wxBoxSizer *item0 = new wxBoxSizer( wxHORIZONTAL );
-    
+
     int smallButtonWidth = 45;
-    
+
     m_closeButton = new wxButton( this, wxID_PREVIEW_CLOSE, _("&Close"), wxDefaultPosition, wxDefaultSize, 0 );
     item0->Add( m_closeButton, 0, wxALIGN_CENTRE|wxALL, 5 );
-    
+
     if (m_buttonFlags & wxPREVIEW_PRINT)
     {
         m_printButton = new wxButton( this, wxID_PREVIEW_PRINT, _("&Print..."), wxDefaultPosition, wxDefaultSize, 0 );
         item0->Add( m_printButton, 0, wxALIGN_CENTRE|wxALL, 5 );
     }
-    
+
     if (m_buttonFlags & wxPREVIEW_FIRST)
     {
         m_firstPageButton = new wxButton( this, wxID_PREVIEW_FIRST, _("|<<"), wxDefaultPosition, wxSize(smallButtonWidth,-1), 0 );
         item0->Add( m_firstPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
     }
-    
+
     if (m_buttonFlags & wxPREVIEW_PREVIOUS)
     {
         m_previousPageButton = new wxButton( this, wxID_PREVIEW_PREVIOUS, _("<<"), wxDefaultPosition, wxSize(smallButtonWidth,-1), 0 );
         item0->Add( m_previousPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
     }
-    
+
     if (m_buttonFlags & wxPREVIEW_NEXT)
     {
         m_nextPageButton = new wxButton( this, wxID_PREVIEW_NEXT, _(">>"), wxDefaultPosition, wxSize(smallButtonWidth,-1), 0 );
         item0->Add( m_nextPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
     }
-    
+
     if (m_buttonFlags & wxPREVIEW_LAST)
     {
         m_lastPageButton = new wxButton( this, wxID_PREVIEW_LAST, _(">>|"), wxDefaultPosition, wxSize(smallButtonWidth,-1), 0 );
         item0->Add( m_lastPageButton, 0, wxALIGN_CENTRE|wxRIGHT|wxTOP|wxBOTTOM, 5 );
     }
-    
+
     if (m_buttonFlags & wxPREVIEW_GOTO)
     {
         m_gotoPageButton = new wxButton( this, wxID_PREVIEW_GOTO, _("&Goto..."), wxDefaultPosition, wxDefaultSize, 0 );
         item0->Add( m_gotoPageButton, 0, wxALIGN_CENTRE|wxALL, 5 );
     }
-    
+
     if (m_buttonFlags & wxPREVIEW_ZOOM)
     {
-        wxString choices[] = 
+        wxString choices[] =
         {
             wxT("10%"), wxT("15%"), wxT("20%"), wxT("25%"), wxT("30%"), wxT("35%"), wxT("40%"), wxT("45%"), wxT("50%"), wxT("55%"),
                 wxT("60%"), wxT("65%"), wxT("70%"), wxT("75%"), wxT("80%"), wxT("85%"), wxT("90%"), wxT("95%"), wxT("100%"), wxT("110%"),
                 wxT("120%"), wxT("150%"), wxT("200%")
         };
         int n = WXSIZEOF(choices);
-        
+
         m_zoomControl = new wxChoice( this, wxID_PREVIEW_ZOOM, wxDefaultPosition, wxSize(70,-1), n, choices, 0 );
         item0->Add( m_zoomControl, 0, wxALIGN_CENTRE|wxALL, 5 );
         SetZoomControl(m_printPreview->GetZoom());
@@ -537,7 +537,7 @@ wxFrame(parent, -1, title, pos, size, style, name)
     wxFrame* topFrame = wxDynamicCast(wxTheApp->GetTopWindow(), wxFrame);
     if (topFrame)
         SetIcon(topFrame->GetIcon());
-#endif    
+#endif
 }
 
 wxPreviewFrame::~wxPreviewFrame()
@@ -550,7 +550,7 @@ void wxPreviewFrame::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
     // are multiple top-level windows.
 #ifndef __WXMAC__
     MakeModal(FALSE);
-#endif    
+#endif
 
     // Need to delete the printout and the print preview
     wxPrintout *printout = m_printPreview->GetPrintout();
@@ -592,7 +592,7 @@ void wxPreviewFrame::Initialize()
 #endif
 
     Layout();
-    
+
     m_printPreview->AdjustScrollbars(m_previewCanvas);
     m_previewCanvas->SetFocus();
     m_controlBar->SetFocus();
@@ -682,11 +682,11 @@ bool wxPrintPreviewBase::SetCurrentPage(int pageNum)
         delete m_previewBitmap;
         m_previewBitmap = NULL;
     }
-    
+
     if (m_previewCanvas)
     {
         AdjustScrollbars(m_previewCanvas);
-        
+
         if (!RenderPage(pageNum))
             return FALSE;
         m_previewCanvas->Refresh();
@@ -751,7 +751,7 @@ void wxPrintPreviewBase::AdjustScrollbars(wxPreviewCanvas *canvas)
     int scrollUnitsY = totalHeight/10;
     wxSize virtualSize = canvas->GetVirtualSize();
     if (virtualSize.GetWidth() != totalWidth || virtualSize.GetHeight() != totalHeight)
-        canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, TRUE);    
+        canvas->SetScrollbars(10, 10, scrollUnitsX, scrollUnitsY, 0, 0, TRUE);
 }
 
 bool wxPrintPreviewBase::RenderPage(int pageNum)
@@ -772,12 +772,6 @@ bool wxPrintPreviewBase::RenderPage(int pageNum)
     int actualWidth = (int)(zoomScale*m_pageWidth*m_previewScale);
     int actualHeight = (int)(zoomScale*m_pageHeight*m_previewScale);
 
-    int x = (int)((canvasWidth - actualWidth)/2.0);
-    if (x < m_leftMargin)
-        x = m_leftMargin;
-    //  int y = m_topMargin;
-
-
     if (!m_previewBitmap)
     {
         m_previewBitmap = new wxBitmap((int)actualWidth, (int)actualHeight);
@@ -902,7 +896,7 @@ void wxPrintPreviewBase::SetZoom(int percent)
         AdjustScrollbars(m_previewCanvas);
         RenderPage(m_currentPage);
         ((wxScrolledWindow *) m_previewCanvas)->Scroll(0, 0);
-        m_previewCanvas->Clear();
+        m_previewCanvas->ClearBackground();
         m_previewCanvas->Refresh();
         m_previewCanvas->SetFocus();
     }