implemented Freeze/Thaw() (patch 922156)

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

diff --git a/src/os2/textctrl.cpp b/src/os2/textctrl.cpp
index 1e4d42ab489439df24a90162795577ce5c47b159..c6bd6d1dd642aff6bc3309521fdb0f768f4f588f 100644 (file)
--- a/src/os2/textctrl.cpp
+++ b/src/os2/textctrl.cpp
@@ -101,9 +101,6 @@ bool wxTextCtrl::Create(
 , const wxString&                   rsName
 )
 {
-    HWND                            hParent;
-    int                             nTempy;
-
     //
     // Base initialization
     //
@@ -507,6 +504,15 @@ void wxTextCtrl::SetInsertionPointEnd()
 {
     long                            lPos = GetLastPosition();
 
+    //
+    // We must not do anything if the caret is already there because calling
+    // SetInsertionPoint() thaws the controls if Freeze() had been called even
+    // if it doesn't actually move the caret anywhere and so the simple fact of
+    // doing it results in horrible flicker when appending big amounts of text
+    // to the control in a few chunks (see DoAddText() test in the text sample)
+    //
+    if (GetInsertionPoint() == GetLastPosition())
+        return;
     SetInsertionPoint(lPos);
 } // end of wxTextCtrl::SetInsertionPointEnd
 
@@ -598,8 +604,6 @@ void wxTextCtrl::Replace(
 {
 #if wxUSE_CLIPBOARD
     HWND                            hWnd      = GetHwnd();
-    long                            lFromChar = lFrom;
-    long                            lToChar   = lTo;
 
     //
     // Set selection and remove it
@@ -636,8 +640,6 @@ void wxTextCtrl::Remove(
 )
 {
     HWND                            hWnd      = GetHwnd();
-    long                            lFromChar = lFrom;
-    long                            lToChar   = lTo;
 
     if (m_bIsMLE)
     {
@@ -701,6 +703,15 @@ bool wxTextCtrl::IsModified() const
     return bRc;
 } // end of wxTextCtrl::IsModified
 
+void wxTextCtrl::MarkDirty()
+{
+    if (m_bIsMLE)
+        ::WinSendMsg(GetHwnd(), MLM_SETCHANGED, MPFROMLONG(TRUE), 0);
+    else
+        // EM controls do not have a SETCHANGED, what can we do??
+        wxFAIL_MSG( _T("not implemented") );
+}
+
 //
 // Makes 'unmodified'
 //
@@ -731,7 +742,6 @@ long wxTextCtrl::XYToPosition(
 , long                              lY
 ) const
 {
-    HWND                            hWnd = GetHwnd();
     long                            lCharIndex = 0L;
     long                            lLen;
 
@@ -994,7 +1004,6 @@ WXHBRUSH wxTextCtrl::OnCtlColor(
 )
 {
     HPS                             hPS = (HPS)hWxDC;
-    wxBrush*                        pBrush = NULL;
     wxColour                        vColBack = GetBackgroundColour();
     wxColour                        vColFore = GetForegroundColour();
     wxBrush*                        pBackgroundBrush = wxTheBrushList->FindOrCreateBrush( GetBackgroundColour()
@@ -1029,7 +1038,7 @@ void wxTextCtrl::OnChar(
   wxKeyEvent&                       rEvent
 )
 {
-    switch (rEvent.KeyCode())
+    switch (rEvent.GetKeyCode())
     {
         case WXK_RETURN:
             if ( !(m_windowStyle & wxTE_MULTILINE) )
@@ -1136,10 +1145,11 @@ void wxTextCtrl::AdjustSpaceLimit()
     }
     else
     {
-        ENTRYFDATA*                 pEfd;
+        ENTRYFDATA                  Efd;
         WNDPARAMS                   vParams;
 
         vParams.fsStatus = WPM_CBCTLDATA;
+       vParams.pCtlData = &Efd;
         vParams.cbCtlData = sizeof(ENTRYFDATA);
 
         if (::WinSendMsg( GetHwnd()
@@ -1147,10 +1157,7 @@ void wxTextCtrl::AdjustSpaceLimit()
                          ,&vParams
                          ,0
                         ))
-        {
-            pEfd = (ENTRYFDATA*)vParams.pCtlData;
-            uLimit = (unsigned int)pEfd->cchEditLimit;
-        }
+            uLimit = (unsigned int)Efd.cchEditLimit;
         else
             uLimit = 32; //PM's default
     }
@@ -1164,16 +1171,18 @@ void wxTextCtrl::AdjustSpaceLimit()
         if (m_bIsMLE)
             ::WinSendMsg(GetHwnd(), MLM_SETTEXTLIMIT, MPFROMLONG(uLimit), 0);
         else
-            ::WinSendMsg(GetHwnd(), EM_SETTEXTLIMIT, MPFROMLONG(uLimit), 0);
+            ::WinSendMsg(GetHwnd(), EM_SETTEXTLIMIT, MPFROMSHORT(uLimit), 0);
     }
 } // end of wxTextCtrl::AdjustSpaceLimit
 
 bool wxTextCtrl::AcceptsFocus() const
 {
     //
-    // We don't want focus if we can't be edited
+    // We don't want focus if we can't be edited unless we're a multiline
+    // control because then it might be still nice to get focus from keyboard
+    // to be able to scroll it without mouse
     //
-    return IsEditable() && wxControl::AcceptsFocus();
+    return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus();
 } // end of wxTextCtrl::Command
 
 wxSize wxTextCtrl::DoGetBestSize() const
@@ -1184,7 +1193,7 @@ wxSize wxTextCtrl::DoGetBestSize() const
     wxGetCharSize(GetHWND(), &nCx, &nCy, (wxFont*)&GetFont());
 
     int                             wText = DEFAULT_ITEM_WIDTH;
-    int                             hText = (EDIT_HEIGHT_FROM_CHAR_HEIGHT(nCy) * .8);
+    int                             hText = (int)(EDIT_HEIGHT_FROM_CHAR_HEIGHT(nCy) * .8);
 
     if (m_windowStyle & wxTE_MULTILINE)
     {