Crash fix under VC++

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

diff --git a/src/motif/combobox_native.cpp b/src/motif/combobox_native.cpp
index 9c11990fe3f4d6c65196c357c1dad3ef3601ef9a..f610a3bfab43fd0e210556eb1cf06e97518af907 100644 (file)
--- a/src/motif/combobox_native.cpp
+++ b/src/motif/combobox_native.cpp
@@ -9,11 +9,15 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+

 #include "wx/setup.h"
 
 #if wxUSE_COMBOBOX
 
 #include "wx/combobox.h"
 #include "wx/setup.h"
 
 #if wxUSE_COMBOBOX
 
 #include "wx/combobox.h"

+#include "wx/arrstr.h"

 
 #ifdef __VMS__
 #pragma message disable nosimpint
 
 #ifdef __VMS__
 #pragma message disable nosimpint


@@ -83,6 +87,8 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                   ( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
     // default to wxCB_DROPDOWN
                                               XmDROP_DOWN_COMBO_BOX;
                   ( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
     // default to wxCB_DROPDOWN
                                               XmDROP_DOWN_COMBO_BOX;

+    if( cb_type == XmDROP_DOWN_COMBO_BOX )
+        SetWindowStyle( style | wxCB_DROPDOWN );

 
     Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
         xmComboBoxWidgetClass, parentWidget,
 
     Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
         xmComboBoxWidgetClass, parentWidget,


@@ -108,19 +114,49 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                    (XtCallbackProc) wxComboBoxCallback,
                    (XtPointer) this);
 
                    (XtCallbackProc) wxComboBoxCallback,
                    (XtPointer) this);
 

-    SetCanAddEventHandler(true);
-    AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
-                  pos.x, pos.y, size.x, size.y);
+    wxSize best = GetBestSize();
+    if( size.x != -1 ) best.x = size.x;
+    if( size.y != -1 ) best.y = size.y;

 
 

-    XtVaSetValues (GetXmList(this),
-                   XmNvisibleItemCount, 10,
-                   NULL);
+    AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
+                  pos.x, pos.y, best.x, best.y);

 
     ChangeBackgroundColour();
 
     return true;
 }
 
 
     ChangeBackgroundColour();
 
     return true;
 }
 

+bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
+                        const wxString& value,
+                        const wxPoint& pos,
+                        const wxSize& size,
+                        const wxArrayString& choices,
+                        long style,
+                        const wxValidator& validator,
+                        const wxString& name)
+{
+    wxCArrayString chs(choices);
+    return Create(parent, id, value, pos, size, chs.GetCount(), 
+                  chs.GetStrings(), style, validator, name);
+}
+
+void wxComboBox::AdjustDropDownListSize()
+{
+    int newListCount = -1, itemCount = GetCount();
+    const int MAX = 12;
+
+    if( !itemCount )
+        newListCount = 1;
+    else if( itemCount < MAX )
+        newListCount = itemCount;
+    else
+        newListCount = MAX;
+
+    XtVaSetValues( GetXmList(this),
+                   XmNvisibleItemCount, newListCount,
+                   NULL );
+}
+

 wxComboBox::~wxComboBox()
 {
     DetachWidget((Widget) m_mainWidget); // Removes event handlers
 wxComboBox::~wxComboBox()
 {
     DetachWidget((Widget) m_mainWidget); // Removes event handlers


@@ -160,8 +196,10 @@ void wxComboBox::SetValue(const wxString& value)
 {
     m_inSetValue = true;
 
 {
     m_inSetValue = true;
 

+    // Fix crash; probably an OpenMotif bug
+    const char* val = value.c_str() ? value.c_str() : "";

     XtVaSetValues( GetXmText(this),
     XtVaSetValues( GetXmText(this),

-                   XmNvalue, (char *)value.c_str(),
+                   XmNvalue, wxConstCast(val, char),

                    NULL);
 
     m_inSetValue = false;
                    NULL);
 
     m_inSetValue = false;


@@ -171,8 +209,24 @@ int wxComboBox::DoAppend(const wxString& item)
 {
     wxXmString str( item.c_str() );
     XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);
 {
     wxXmString str( item.c_str() );
     XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);

-    m_stringList.Add(item);

     m_noStrings ++;
     m_noStrings ++;

+    AdjustDropDownListSize();
+
+    return GetCount() - 1;
+}
+
+int wxComboBox::DoInsert(const wxString& item, int pos)
+{
+    wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
+    wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
+
+    if (pos == GetCount())
+        return DoAppend(item);
+
+    wxXmString str( item.c_str() );
+    XmComboBoxAddItem((Widget) m_mainWidget, str(), pos+1, False);
+    m_noStrings ++;
+    AdjustDropDownListSize();

 
     return GetCount() - 1;
 }
 
     return GetCount() - 1;
 }


@@ -185,14 +239,10 @@ void wxComboBox::Delete(int n)
     XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
 #endif
 
     XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
 #endif
 

-    wxStringList::Node *node = m_stringList.Item(n);
-    if (node)
-    {
-        delete[] node->GetData();
-        delete node;
-    }

     m_clientDataDict.Delete(n, HasClientObjectData());
     m_noStrings--;
     m_clientDataDict.Delete(n, HasClientObjectData());
     m_noStrings--;

+
+    AdjustDropDownListSize();

 }
 
 void wxComboBox::Clear()
 }
 
 void wxComboBox::Clear()


@@ -204,30 +254,32 @@ void wxComboBox::Clear()
     {
        XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
     }
     {
        XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
     }

- #endif
-
-    m_stringList.Clear();
+#endif

 
     if ( HasClientObjectData() )
         m_clientDataDict.DestroyData();
     m_noStrings = 0;
 
     if ( HasClientObjectData() )
         m_clientDataDict.DestroyData();
     m_noStrings = 0;

+    AdjustDropDownListSize();

 }
 
 void wxComboBox::SetSelection (int n)
 {
 }
 
 void wxComboBox::SetSelection (int n)
 {

-#ifdef LESSTIF_VERSION
+    m_inSetSelection = true;
+
+#if wxCHECK_LESSTIF()

     XmListSelectPos (GetXmList(this), n + 1, false);
     SetValue(GetString(n));
 #else
     XmListSelectPos (GetXmList(this), n + 1, false);
     SetValue(GetString(n));
 #else

+#if 0

     wxXmString str( GetString(n).c_str() );
     XmComboBoxSelectItem((Widget) m_mainWidget, str());
     wxXmString str( GetString(n).c_str() );
     XmComboBoxSelectItem((Widget) m_mainWidget, str());

-#if 0
-    // does it work for Motif
+#endif

     XtVaSetValues( (Widget)m_mainWidget,
     XtVaSetValues( (Widget)m_mainWidget,

-                   XmNselectedPosition, n + 1,
+                   XmNselectedPosition, n,

                    NULL );
 #endif
                    NULL );
 #endif

-#endif
+
+    m_inSetSelection = false;

 }
 
 int wxComboBox::GetSelection (void) const
 }
 
 int wxComboBox::GetSelection (void) const


@@ -237,11 +289,7 @@ int wxComboBox::GetSelection (void) const
 
 wxString wxComboBox::GetString(int n) const
 {
 
 wxString wxComboBox::GetString(int n) const
 {

-    wxStringList::Node *node = m_stringList.Item(n);
-    if (node)
-        return wxString(node->GetData ());
-    else
-        return wxEmptyString;
+    return wxDoGetStringInList( GetXmList(this), n );

 }
 
 int wxComboBox::FindString(const wxString& s) const
 }
 
 int wxComboBox::FindString(const wxString& s) const


@@ -294,7 +342,7 @@ long wxComboBox::GetLastPosition() const
 void wxComboBox::Replace(long from, long to, const wxString& value)
 {
     XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
 void wxComboBox::Replace(long from, long to, const wxString& value)
 {
     XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,

-                   (char*)value.c_str() );
+                   wxConstCast(value.c_str(), char) );

 }
 
 void wxComboBox::Remove(long from, long to)
 }
 
 void wxComboBox::Remove(long from, long to)


@@ -317,6 +365,8 @@ void  wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
 {
     wxComboBox *item = (wxComboBox *) clientData;
 
 {
     wxComboBox *item = (wxComboBox *) clientData;
 

+    if( item->m_inSetSelection ) return;
+

     switch (cbs->reason)
     {
     case XmCR_SELECT:
     switch (cbs->reason)
     {
     case XmCR_SELECT:


@@ -327,7 +377,7 @@ void  wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
         {
             wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
                                   item->GetId());
         {
             wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
                                   item->GetId());

-            int idx = cbs->item_position - 1;
+            int idx = cbs->item_position;

             event.m_commandInt = idx;
             event.m_commandString = item->GetString (idx);
             if ( item->HasClientObjectData() )
             event.m_commandInt = idx;
             event.m_commandString = item->GetString (idx);
             if ( item->HasClientObjectData() )


@@ -336,7 +386,7 @@ void  wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
                 event.SetClientData( item->GetClientData(idx) );
             event.m_extraLong = true;
             event.SetEventObject(item);
                 event.SetClientData( item->GetClientData(idx) );
             event.m_extraLong = true;
             event.SetEventObject(item);

-            item->ProcessCommand (event);
+            item->GetEventHandler()->ProcessEvent(event);

             break;
         }
     case XmCR_VALUE_CHANGED:
             break;
         }
     case XmCR_VALUE_CHANGED:


@@ -346,7 +396,7 @@ void  wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
             event.m_commandString = item->GetValue();
             event.m_extraLong = true;
             event.SetEventObject(item);
             event.m_commandString = item->GetValue();
             event.m_extraLong = true;
             event.SetEventObject(item);

-            item->ProcessCommand (event);
+            item->GetEventHandler()->ProcessEvent(event);

             break;
         }
     default:
             break;
         }
     default:


@@ -356,6 +406,12 @@ void  wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
 
 void wxComboBox::ChangeFont(bool keepOriginalSize)
 {
 
 void wxComboBox::ChangeFont(bool keepOriginalSize)
 {

+    if( m_font.Ok() )
+    {
+        wxDoChangeFont( GetXmText(this), m_font );
+        wxDoChangeFont( GetXmList(this), m_font );
+    }
+

     // Don't use the base class wxChoice's ChangeFont
     wxWindow::ChangeFont(keepOriginalSize);
 }
     // Don't use the base class wxChoice's ChangeFont
     wxWindow::ChangeFont(keepOriginalSize);
 }


@@ -372,7 +428,31 @@ void wxComboBox::ChangeForegroundColour()
 
 wxSize wxComboBox::DoGetBestSize() const
 {
 
 wxSize wxComboBox::DoGetBestSize() const
 {

-   return wxWindow::DoGetBestSize();
+    if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN ||
+        (GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
+    {
+        Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow;
+
+        XtVaGetValues( (Widget)m_mainWidget,
+                       XmNarrowSize, &arrowW,
+                       XmNarrowSpacing, &arrowS,
+                       XmNhighlightThickness, &highlight,
+                       XmNmarginWidth, &xmargin,
+                       XmNmarginHeight, &ymargin,
+                       XmNshadowThickness, &shadow,
+                       NULL );
+
+        wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this );
+        wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this),
+                                                         this );
+
+        // FIXME arbitrary constants
+        return wxSize( listSize.x + arrowW + arrowS + 2 * highlight
+                                  + 2 * shadow + 2 * xmargin ,
+                       textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow );
+    }
+    else
+        return wxWindow::DoGetBestSize();

 }
 
 #endif // XmVersion >= 2000
 }
 
 #endif // XmVersion >= 2000