Don't crash in wxControl::GetLabel when getting the label

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

diff --git a/src/motif/choice.cpp b/src/motif/choice.cpp
index ed99311e799c0057d7843a8429e7660b90768019..233a0670e5497c331ebb42c836d67a169460586a 100644 (file)
--- a/src/motif/choice.cpp
+++ b/src/motif/choice.cpp
@@ -9,7 +9,7 @@
 // Licence:    wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "choice.h"
 #endif
 
@@ -36,6 +36,10 @@
 
 #include "wx/motif/private.h"
 
+#define WIDTH_OVERHEAD 48
+#define WIDTH_OVERHEAD_SUBTRACT 40
+#define HEIGHT_OVERHEAD 15
+
 IMPLEMENT_DYNAMIC_CLASS(wxChoice, wxControl)
 
 void wxChoiceCallback (Widget w, XtPointer clientData,
@@ -75,6 +79,8 @@ bool wxChoice::Create(wxWindow *parent, wxWindowID id,
         XmNmarginWidth, 0,
         XmNpacking, XmPACK_TIGHT,
         XmNorientation, XmHORIZONTAL,
+        XmNresizeWidth, False,
+        XmNresizeHeight, False,
         NULL);
 
     XtVaSetValues ((Widget) m_formWidget, XmNspacing, 0, NULL);
@@ -85,7 +91,6 @@ bool wxChoice::Create(wxWindow *parent, wxWindowID id,
     m_menuWidget = (WXWidget) XmCreatePulldownMenu ((Widget) m_formWidget,
                                                     "choiceMenu", NULL, 0);
 
-    //    int i;
     if (n > 0)
     {
         int i;
@@ -125,14 +130,17 @@ bool wxChoice::Create(wxWindow *parent, wxWindowID id,
 #endif
 #endif
 
+    wxSize bestSize = GetBestSize();
+    if( size.x > 0 ) bestSize.x = size.x;
+    if( size.y > 0 ) bestSize.y = size.y;
+
     XtVaSetValues((Widget) m_formWidget, XmNresizePolicy, XmRESIZE_NONE, NULL);
 
     ChangeFont(FALSE);
+    ChangeBackgroundColour();
 
     AttachWidget (parent, m_buttonWidget, m_formWidget,
-                  pos.x, pos.y, size.x, size.y);
-
-    ChangeBackgroundColour();
+                  pos.x, pos.y, bestSize.x, bestSize.y);
 
     return TRUE;
 }
@@ -171,16 +179,14 @@ int wxChoice::DoAppend(const wxString& item)
 #endif
         NULL);
 
-    DoChangeBackgroundColour((WXWidget) w, m_backgroundColour);
+    wxDoChangeBackgroundColour((WXWidget) w, m_backgroundColour);
 
-    if (m_font.Ok())
-        XtVaSetValues (w,
-        XmNfontList, (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) m_formWidget)),
-        NULL);
+    if( m_font.Ok() )
+        wxDoChangeFont( w, m_font );
 
     m_widgetArray.Add(w);
 
-    char mnem = wxFindMnemonic ((char*) (const char*) item);
+    char mnem = wxFindMnemonic (item);
     if (mnem != 0)
         XtVaSetValues (w, XmNmnemonic, mnem, NULL);
 
@@ -203,12 +209,20 @@ int wxChoice::DoAppend(const wxString& item)
     return GetCount() - 1;
 }
 
+int wxChoice::DoInsert(const wxString& item, int pos)
+{
+    wxCHECK_MSG(FALSE, -1, wxT("insert not implemented"));
+
+//    wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
+//    if (pos == GetCount()) return DoAppend(item);
+}
+
 void wxChoice::Delete(int n)
 {
     Widget w = (Widget)m_widgetArray[n];
     XtRemoveCallback(w, XmNactivateCallback, (XtCallbackProc)wxChoiceCallback,
                      (XtPointer)this);
-    m_stringList.DeleteNode(m_stringList.Item(n));
+    m_stringList.Erase(m_stringList.Item(n));
     m_widgetArray.RemoveAt(size_t(n));
     m_clientDataDict.Delete(n, HasClientObjectData());
 
@@ -219,7 +233,7 @@ void wxChoice::Delete(int n)
 void wxChoice::Clear()
 {
     m_stringList.Clear ();
-    int i;
+    size_t i;
     for (i = 0; i < m_noStrings; i++)
     {
         XtRemoveCallback((Widget) m_widgetArray[i],
@@ -243,33 +257,29 @@ void wxChoice::Clear()
 int wxChoice::GetSelection() const
 {
     XmString text;
-    char *s;
     Widget label = XmOptionButtonGadget ((Widget) m_buttonWidget);
     XtVaGetValues (label,
         XmNlabelString, &text,
         NULL);
+    wxXmString freeMe(text);
+    wxString s = wxXmStringToString( text );
 
-    if (XmStringGetLtoR (text, XmSTRING_DEFAULT_CHARSET, &s))
+    if (!s.IsEmpty())
     {
         int i = 0;
-        for (wxStringListNode* node = m_stringList.GetFirst ();
+        for (wxStringList::compatibility_iterator node = m_stringList.GetFirst ();
              node; node = node->GetNext ())
         {
-            if (strcmp(node->GetData(), s) == 0)
+            if (wxStrcmp(node->GetData(), s.c_str()) == 0)
             {
-                XmStringFree(text) ;
-                XtFree (s);
                 return i;
             }
             else
                 i++;
         }            // for()
 
-        XmStringFree(text) ;
-        XtFree (s);
         return -1;
     }
-    XmStringFree(text) ;
     return -1;
 }
 
@@ -277,13 +287,13 @@ void wxChoice::SetSelection(int n)
 {
     m_inSetValue = TRUE;
 
-    wxStringListNode *node = m_stringList.Item(n);
+    wxStringList::compatibility_iterator node = m_stringList.Item(n);
     if (node)
     {
 #if 0
         Dimension selectionWidth, selectionHeight;
 #endif
-        wxXmString text( (char*)node->Data() );
+        wxXmString text( node->GetData() );
 // MBN: this seems silly, at best, and causes wxChoices to be clipped:
 //      will remove "soon"
 #if 0
@@ -308,7 +318,7 @@ void wxChoice::SetSelection(int n)
 int wxChoice::FindString(const wxString& s) const
 {
     int i = 0;
-    for (wxStringListNode* node = m_stringList.GetFirst();
+    for (wxStringList::compatibility_iterator node = m_stringList.GetFirst();
          node; node = node->GetNext ())
     {
         if (s == node->GetData())
@@ -322,7 +332,7 @@ int wxChoice::FindString(const wxString& s) const
 
 wxString wxChoice::GetString(int n) const
 {
-    wxStringListNode *node = m_stringList.Item(n);
+    wxStringList::compatibility_iterator node = m_stringList.Item(n);
     if (node)
         return node->GetData();
     else
@@ -362,11 +372,12 @@ void wxChoice::DoSetSize(int x, int y, int width, int height, int sizeFlags)
     if (managed)
         XtUnmanageChild ((Widget) m_formWidget);
 
-    int actualWidth = width, actualHeight = height;
+    int actualWidth = width - WIDTH_OVERHEAD_SUBTRACT,
+        actualHeight = height - HEIGHT_OVERHEAD;
 
     if (width > -1)
     {
-        int i;
+        size_t i;
         for (i = 0; i < m_noStrings; i++)
             XtVaSetValues ((Widget) m_widgetArray[i],
                            XmNwidth, actualWidth,
@@ -376,11 +387,13 @@ void wxChoice::DoSetSize(int x, int y, int width, int height, int sizeFlags)
     }
     if (height > -1)
     {
-        int i;
+#if 0
+        size_t i;
         for (i = 0; i < m_noStrings; i++)
             XtVaSetValues ((Widget) m_widgetArray[i],
                            XmNheight, actualHeight,
                            NULL);
+#endif
         XtVaSetValues ((Widget) m_buttonWidget, XmNheight, actualHeight,
             NULL);
     }
@@ -432,13 +445,16 @@ void wxChoice::ChangeFont(bool keepOriginalSize)
         int width, height, width1, height1;
         GetSize(& width, & height);
 
-        XmFontList fontList = (XmFontList) m_font.GetFontList(1.0, XtDisplay((Widget) m_mainWidget));
-        XtVaSetValues ((Widget) m_formWidget, XmNfontList, fontList, NULL);
-        XtVaSetValues ((Widget) m_buttonWidget, XmNfontList, fontList, NULL);
+        WXFontType fontType =
+            m_font.GetFontType(XtDisplay((Widget) m_mainWidget));
+        WXString fontTag = wxFont::GetFontTag();
+
+        XtVaSetValues ((Widget) m_formWidget, fontTag, fontType, NULL);
+        XtVaSetValues ((Widget) m_buttonWidget, fontTag, fontType, NULL);
 
         for( size_t i = 0; i < m_noStrings; ++i )
             XtVaSetValues( (Widget)m_widgetArray[i],
-                           XmNfontList, fontList,
+                           fontTag, fontType,
                            NULL );
         
         GetSize(& width1, & height1);
@@ -451,22 +467,22 @@ void wxChoice::ChangeFont(bool keepOriginalSize)
 
 void wxChoice::ChangeBackgroundColour()
 {
-    DoChangeBackgroundColour(m_formWidget, m_backgroundColour);
-    DoChangeBackgroundColour(m_buttonWidget, m_backgroundColour);
-    DoChangeBackgroundColour(m_menuWidget, m_backgroundColour);
-    int i;
+    wxDoChangeBackgroundColour(m_formWidget, m_backgroundColour);
+    wxDoChangeBackgroundColour(m_buttonWidget, m_backgroundColour);
+    wxDoChangeBackgroundColour(m_menuWidget, m_backgroundColour);
+    size_t i;
     for (i = 0; i < m_noStrings; i++)
-        DoChangeBackgroundColour(m_widgetArray[i], m_backgroundColour);
+        wxDoChangeBackgroundColour(m_widgetArray[i], m_backgroundColour);
 }
 
 void wxChoice::ChangeForegroundColour()
 {
-    DoChangeForegroundColour(m_formWidget, m_foregroundColour);
-    DoChangeForegroundColour(m_buttonWidget, m_foregroundColour);
-    DoChangeForegroundColour(m_menuWidget, m_foregroundColour);
-    int i;
+    wxDoChangeForegroundColour(m_formWidget, m_foregroundColour);
+    wxDoChangeForegroundColour(m_buttonWidget, m_foregroundColour);
+    wxDoChangeForegroundColour(m_menuWidget, m_foregroundColour);
+    size_t i;
     for (i = 0; i < m_noStrings; i++)
-        DoChangeForegroundColour(m_widgetArray[i], m_foregroundColour);
+        wxDoChangeForegroundColour(m_widgetArray[i], m_foregroundColour);
 }
 
 int wxChoice::GetCount() const
@@ -507,7 +523,7 @@ wxSize wxChoice::GetItemsSize() const
     // get my
     GetTextExtent( "|", &x, &my );
 
-    wxStringList::Node* curr = m_stringList.GetFirst();
+    wxStringList::compatibility_iterator curr = m_stringList.GetFirst();
     while( curr )
     {
         GetTextExtent( curr->GetData(), &x, &y );
@@ -523,6 +539,6 @@ wxSize wxChoice::DoGetBestSize() const
 {
     wxSize items = GetItemsSize();
     // FIXME arbitrary constants
-    return wxSize( ( items.x ? items.x + 50 : 120 ),
-                     items.y + 15 );
+    return wxSize( ( items.x ? items.x + WIDTH_OVERHEAD : 120 ),
+                     items.y + HEIGHT_OVERHEAD );
 }