Avoid crash during global destruction.

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

diff --git a/src/motif/textctrl.cpp b/src/motif/textctrl.cpp
index 1f616b72011be77c762ea3d6461d25bb30214c94..cb5b2b49a9964c833e241710876eb38b424d29b5 100644 (file)
--- a/src/motif/textctrl.cpp
+++ b/src/motif/textctrl.cpp
@@ -130,7 +130,7 @@ bool wxTextCtrl::Create(wxWindow *parent,
         XtSetArg (args[1], XmNwordWrap, wantWordWrap ? True : False);
 
         m_mainWidget = (WXWidget) XmCreateScrolledText(parentWidget,
-                                                       (char*)name.c_str(),
+                                                       wxConstCast(name.c_str(), char),
                                                        args, 2);
 
         XtVaSetValues ((Widget) m_mainWidget,
@@ -143,7 +143,7 @@ bool wxTextCtrl::Create(wxWindow *parent,
     {
         m_mainWidget = (WXWidget)XtVaCreateManagedWidget
                                  (
-                                  (char*)name.c_str(),
+                                  wxConstCast(name.c_str(), char),
                                   xmTextWidgetClass,
                                   parentWidget,
                                   NULL
@@ -175,7 +175,7 @@ bool wxTextCtrl::Create(wxWindow *parent,
         // do this instead... MB
         //
         XtVaSetValues( (Widget) m_mainWidget,
-                       XmNvalue, (char *)value.c_str(),
+                       XmNvalue, wxConstCast(value.c_str(), char),
                        NULL);
     }
     
@@ -197,7 +197,6 @@ bool wxTextCtrl::Create(wxWindow *parent,
     if( size.x != -1 ) best.x = size.x;
     if( size.y != -1 ) best.y = size.y;
 
-    SetCanAddEventHandler(TRUE);
     AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
                   pos.x, pos.y, best.x, best.y);
 
@@ -208,7 +207,8 @@ bool wxTextCtrl::Create(wxWindow *parent,
 
 WXWidget wxTextCtrl::GetTopWidget() const
 {
-    return ((m_windowStyle & wxTE_MULTILINE) ? (WXWidget) XtParent((Widget) m_mainWidget) : m_mainWidget);
+    return IsMultiLine() ? (WXWidget)XtParent((Widget)m_mainWidget)
+                         : m_mainWidget;
 }
 
 wxString wxTextCtrl::GetValue() const
@@ -249,9 +249,15 @@ void wxTextCtrl::SetValue(const wxString& value)
 
     // do this instead... MB
     //
+    // with (at least) OpenMotif 2.1 this causes a lot of flicker
+#if 0
     XtVaSetValues( (Widget) m_mainWidget,
-                   XmNvalue, (char *)value.c_str(),
+                   XmNvalue, wxConstCast(value.c_str(), char),
                    NULL);
+#endif
+
+    Clear();
+    AppendText( value );
 
     m_inSetValue = FALSE;
 }
@@ -362,7 +368,7 @@ long wxTextCtrl::GetLastPosition() const
 void wxTextCtrl::Replace(long from, long to, const wxString& value)
 {
     XmTextReplace ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
-        (char*) (const char*) value);
+        wxConstCast(value.c_str(), char));
 }
 
 void wxTextCtrl::Remove(long from, long to)
@@ -381,89 +387,11 @@ void wxTextCtrl::SetSelection(long from, long to)
                       (Time) 0);
 }
 
-bool wxTextCtrl::LoadFile(const wxString& file)
-{
-    if (!wxFileExists(file))
-        return FALSE;
-
-    m_fileName = file;
-
-    Clear();
-
-    Widget textWidget = (Widget) m_mainWidget;
-    FILE *fp = 0;
-
-    struct stat statb;
-    if ((stat ((char*) (const char*) file, &statb) == -1) || (statb.st_mode & S_IFMT) != S_IFREG ||
-        !(fp = fopen ((char*) (const char*) file, "r")))
-    {
-        return FALSE;
-    }
-    else
-    {
-        long len = statb.st_size;
-        char *text;
-        if (!(text = XtMalloc ((unsigned) (len + 1))))
-        {
-            fclose (fp);
-            return FALSE;
-        }
-        if (fread (text, sizeof (char), len, fp) != (size_t) len)
-        {
-        }
-        fclose (fp);
-
-        text[len] = 0;
-        XmTextSetString (textWidget, text);
-        //      m_textPosition = len;
-        XtFree (text);
-        m_modified = FALSE;
-        return TRUE;
-    }
-}
-
-// If file is null, try saved file name first
-// Returns TRUE if succeeds.
-bool wxTextCtrl::SaveFile(const wxString& file)
-{
-    wxString theFile(file);
-    if (theFile == "")
-        theFile = m_fileName;
-    if (theFile == "")
-        return FALSE;
-    m_fileName = theFile;
-
-    Widget textWidget = (Widget) m_mainWidget;
-    FILE *fp;
-
-    if (!(fp = fopen ((char*) (const char*) theFile, "w")))
-    {
-        return FALSE;
-    }
-    else
-    {
-        char *text = XmTextGetString (textWidget);
-        long len = XmTextGetLastPosition (textWidget);
-
-        if (fwrite (text, sizeof (char), len, fp) != (size_t) len)
-        {
-            // Did not write whole file
-        }
-        // Make sure newline terminates the file
-        if (text[len - 1] != '\n')
-            fputc ('\n', fp);
-
-        fclose (fp);
-        XtFree (text);
-        m_modified = FALSE;
-        return TRUE;
-    }
-}
-
 void wxTextCtrl::WriteText(const wxString& text)
 {
     long textPosition = GetInsertionPoint() + strlen (text);
-    XmTextInsert ((Widget) m_mainWidget, GetInsertionPoint(), (char*) (const char*) text);
+    XmTextInsert ((Widget) m_mainWidget, GetInsertionPoint(),
+                  wxConstCast(text.c_str(), char));
     XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL);
     SetInsertionPoint(textPosition);
     XmTextShowPosition ((Widget) m_mainWidget, textPosition);
@@ -472,8 +400,9 @@ void wxTextCtrl::WriteText(const wxString& text)
 
 void wxTextCtrl::AppendText(const wxString& text)
 {
-    long textPosition = GetLastPosition() + strlen(text);
-    XmTextInsert ((Widget) m_mainWidget, GetLastPosition(), (char*) (const char*) text);
+    long textPosition = GetLastPosition() + text.length();
+    XmTextInsert ((Widget) m_mainWidget, GetLastPosition(),
+                  wxConstCast(text.c_str(), char));
     XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL);
     SetInsertionPoint(textPosition);
     XmTextShowPosition ((Widget) m_mainWidget, textPosition);
@@ -651,9 +580,9 @@ void wxTextCtrl::ChangeBackgroundColour()
             NULL);
         wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
         if (hsb)
-            DoChangeBackgroundColour((WXWidget) hsb, backgroundColour, TRUE);
+            wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, TRUE);
         if (vsb)
-            DoChangeBackgroundColour((WXWidget) vsb, backgroundColour, TRUE);
+            wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, TRUE);
 
         // MBN: why change parent background?
         // DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, TRUE);
@@ -681,7 +610,7 @@ void wxTextCtrl::ChangeForegroundColour()
             if (vsb)
             DoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
         */
-        DoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
+        wxDoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
     }
 }
 
@@ -846,6 +775,9 @@ wxTextWindowModifyProc (Widget WXUNUSED(w), XtPointer clientData, XmTextVerifyCa
         }
     }
 
+    if(tw->InSetValue())
+        return;
+
     // If we're already within an OnChar, return: probably a programmatic
     // insertion.
     if (tw->m_tempCallbackStruct)