wxDC::SetFont can now handle invalid font and doesn't assert anymore (other ports...

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

diff --git a/src/motif/combobox.cpp b/src/motif/combobox.cpp
index 43547b43c2ef1ce5e5743f1c4f10e237f3139b46..d1c470999eab9c2d895e28d6c1b91c5e41f05317 100644 (file)
--- a/src/motif/combobox.cpp
+++ b/src/motif/combobox.cpp
@@ -6,7 +6,7 @@
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -15,102 +15,349 @@
 
 #include "wx/combobox.h"
 
 
 #include "wx/combobox.h"
 

-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
+#if wxUSE_COMBOBOX
+
+#ifdef __VMS__
+#pragma message disable nosimpint
+#endif
+#include <Xm/Xm.h>
+#ifdef __VMS__
+#pragma message enable nosimpint

 #endif
 #endif

+#include "xmcombo/xmcombo.h"
+
+void  wxComboBoxCallback (Widget w, XtPointer clientData,
+                          XmComboBoxSelectionCallbackStruct * cbs);
+
+IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)

 
 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
 
 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,

-           const wxString& value,
-           const wxPoint& pos,
-           const wxSize& size,
-                  int n, const wxString choices[],
-                  long style,
-           const wxValidator& validator,
-           const wxString& name)
+                        const wxString& value,
+                        const wxPoint& pos,
+                        const wxSize& size,
+                        int n, const wxString choices[],
+                        long style,
+                        const wxValidator& validator,
+                        const wxString& name)

 {
     SetName(name);
     SetValidator(validator);
     m_noStrings = n;
     m_windowStyle = style;
 {
     SetName(name);
     SetValidator(validator);
     m_noStrings = n;
     m_windowStyle = style;

+    //    m_backgroundColour = parent->GetBackgroundColour();
+    m_backgroundColour = * wxWHITE;
+    m_foregroundColour = parent->GetForegroundColour();

 
     if (parent) parent->AddChild(this);
 
     if ( id == -1 )
 
     if (parent) parent->AddChild(this);
 
     if ( id == -1 )

-       m_windowId = (int)NewControlId();
+        m_windowId = (int)NewControlId();

     else
     else

-       m_windowId = id;
+        m_windowId = id;
+
+    Widget parentWidget = (Widget) parent->GetClientWidget();
+
+    Widget buttonWidget = XtVaCreateManagedWidget(name.c_str(),
+        xmComboBoxWidgetClass, parentWidget,
+        XmNmarginHeight, 0,
+        XmNmarginWidth, 0,
+        XmNshowLabel, False,
+        XmNeditable, ((style & wxCB_READONLY) != wxCB_READONLY),
+        XmNsorted, ((style & wxCB_SORT) == wxCB_SORT),
+        XmNstaticList, ((style & wxCB_SIMPLE) == wxCB_SIMPLE),
+        NULL);
+
+    int i;
+    for (i = 0; i < n; i++)
+    {
+        XmString str = XmStringCreateLtoR((char*) (const char*) choices[i], XmSTRING_DEFAULT_CHARSET);
+        XmComboBoxAddItem(buttonWidget, str, 0);
+        XmStringFree(str);
+        m_stringList.Add(choices[i]);
+    }
+    m_noStrings = n;
+
+    m_mainWidget = (Widget) buttonWidget;

 
 

-    // TODO: create combobox control
+    XtManageChild (buttonWidget);
+
+    SetValue(value);
+
+    m_font = parent->GetFont();
+    ChangeFont(FALSE);
+
+    XtAddCallback (buttonWidget, XmNselectionCallback, (XtCallbackProc) wxComboBoxCallback,
+        (XtPointer) this);
+    XtAddCallback (buttonWidget, XmNvalueChangedCallback, (XtCallbackProc) wxComboBoxCallback,
+        (XtPointer) this);
+
+    SetCanAddEventHandler(TRUE);
+    AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
+
+    ChangeBackgroundColour();

 
     return TRUE;
 }
 
 
     return TRUE;
 }
 

+wxComboBox::~wxComboBox()
+{
+    DetachWidget((Widget) m_mainWidget); // Removes event handlers
+    XtDestroyWidget((Widget) m_mainWidget);
+    m_mainWidget = (WXWidget) 0;
+}
+
+void wxComboBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
+{
+    // Necessary so it doesn't call wxChoice::SetSize
+    wxWindow::DoSetSize(x, y, width, height, sizeFlags);
+}
+

 wxString wxComboBox::GetValue() const
 {
 wxString wxComboBox::GetValue() const
 {

-    // TODO
-    return wxString("");
+    char *s = XmComboBoxGetString ((Widget) m_mainWidget);
+    if (s)
+    {
+        wxString str(s);
+        XtFree (s);
+        return str;
+    }
+    else
+        return wxEmptyString;

 }
 
 void wxComboBox::SetValue(const wxString& value)
 {
 }
 
 void wxComboBox::SetValue(const wxString& value)
 {

-    // TODO
+    m_inSetValue = TRUE;
+    if (!value.IsNull())
+        XmComboBoxSetString ((Widget) m_mainWidget, (char*) (const char*) value);
+    m_inSetValue = FALSE;
+}
+
+void wxComboBox::Append(const wxString& item)
+{
+    XmString str = XmStringCreateLtoR((char*) (const char*) item, XmSTRING_DEFAULT_CHARSET);
+    XmComboBoxAddItem((Widget) m_mainWidget, str, 0);
+    m_stringList.Add(item);
+    XmStringFree(str);
+    m_noStrings ++;
+}
+
+void wxComboBox::Delete(int n)
+{
+    XmComboBoxDeletePos((Widget) m_mainWidget, n-1);
+    wxNode *node = m_stringList.Nth(n);
+    if (node)
+    {
+        delete[] (char *)node->Data();
+        delete node;
+    }
+    node = m_clientList.Nth( n );
+    if (node)
+    {
+        if ( HasClientObjectData() )
+        {
+            delete (wxClientData *)node->Data();
+        }
+        delete node;
+    }
+
+    m_noStrings--;
+}
+
+void wxComboBox::Clear()
+{
+    XmComboBoxDeleteAllItems((Widget) m_mainWidget);
+    m_stringList.Clear();
+
+    if ( HasClientObjectData() )
+    {
+        // destroy the data (due to Robert's idea of using wxList<wxObject>
+        // and not wxList<wxClientData> we can't just say
+        // m_clientList.DeleteContents(TRUE) - this would crash!
+        wxNode *node = m_clientList.First();
+        while ( node )
+        {
+            delete (wxClientData *)node->Data();
+            node = node->Next();
+        }
+    }
+    m_clientList.Clear();
+    m_noStrings = 0;
+}
+
+void wxComboBox::SetSelection (int n)
+{
+    XmComboBoxSelectPos((Widget) m_mainWidget, n+1, False);
+}
+
+int wxComboBox::GetSelection (void) const
+{
+    int sel = XmComboBoxGetSelectedPos((Widget) m_mainWidget);
+    if (sel == 0)
+        return -1;
+    else
+        return sel - 1;
+}
+
+wxString wxComboBox::GetString(int n) const
+{
+    wxNode *node = m_stringList.Nth (n);
+    if (node)
+        return wxString((char *) node->Data ());
+    else
+        return wxEmptyString;
+}
+
+wxString wxComboBox::GetStringSelection() const
+{
+    int sel = GetSelection();
+    if (sel == -1)
+        return wxEmptyString;
+    else
+        return GetString(sel);
+}
+
+bool wxComboBox::SetStringSelection(const wxString& sel)
+{
+    int n = FindString(sel);
+    if (n == -1)
+        return FALSE;
+    else
+    {
+        SetSelection(n);
+        return TRUE;
+    }
+}
+
+int wxComboBox::FindString(const wxString& s) const
+{
+    int *pos_list = NULL;
+    int count = 0;
+    XmString text = XmStringCreateSimple ((char*) (const char*) s);
+    bool found = (XmComboBoxGetMatchPos((Widget) m_mainWidget,
+        text, &pos_list, &count) != 0);
+
+    XmStringFree(text);
+
+    if (found && count > 0)
+    {
+        int pos = pos_list[0] - 1;
+        free(pos_list);
+        return pos;
+    }
+
+    return -1;

 }
 
 // Clipboard operations
 void wxComboBox::Copy()
 {
 }
 
 // Clipboard operations
 void wxComboBox::Copy()
 {

-    // TODO
+    XmComboBoxCopy((Widget) m_mainWidget, CurrentTime);

 }
 
 void wxComboBox::Cut()
 {
 }
 
 void wxComboBox::Cut()
 {

-    // TODO
+    XmComboBoxCut((Widget) m_mainWidget, CurrentTime);

 }
 
 void wxComboBox::Paste()
 {
 }
 
 void wxComboBox::Paste()
 {

-    // TODO
+    XmComboBoxPaste((Widget) m_mainWidget);

 }
 
 }
 

-void wxComboBox::SetEditable(bool editable)
+void wxComboBox::SetEditable(bool WXUNUSED(editable))

 {
     // TODO
 }
 
 void wxComboBox::SetInsertionPoint(long pos)
 {
 {
     // TODO
 }
 
 void wxComboBox::SetInsertionPoint(long pos)
 {

-    // TODO
+    XmComboBoxSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) pos);

 }
 
 void wxComboBox::SetInsertionPointEnd()
 {
 }
 
 void wxComboBox::SetInsertionPointEnd()
 {

-    // TODO
+    XmTextPosition pos = XmComboBoxGetLastPosition ((Widget) m_mainWidget);
+    XmComboBoxSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) (pos + 1));

 }
 
 long wxComboBox::GetInsertionPoint() const
 {
 }
 
 long wxComboBox::GetInsertionPoint() const
 {

-    // TODO
-    return 0;
+    return (long) XmComboBoxGetInsertionPosition ((Widget) m_mainWidget);

 }
 
 long wxComboBox::GetLastPosition() const
 {
 }
 
 long wxComboBox::GetLastPosition() const
 {

-    // TODO
-    return 0;
+    return (long) XmComboBoxGetLastPosition ((Widget) m_mainWidget);

 }
 
 void wxComboBox::Replace(long from, long to, const wxString& value)
 {
 }
 
 void wxComboBox::Replace(long from, long to, const wxString& value)
 {

-    // TODO
+    XmComboBoxReplace ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
+        (char*) (const char*) value);

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

-    // TODO
+    XmComboBoxSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
+                      (Time) 0);
+    XmComboBoxRemove ((Widget) m_mainWidget);

 }
 
 void wxComboBox::SetSelection(long from, long to)
 {
 }
 
 void wxComboBox::SetSelection(long from, long to)
 {

-    // TODO
+    XmComboBoxSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
+                      (Time) 0);

 }
 
 }
 

+void  wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
+                          XmComboBoxSelectionCallbackStruct * cbs)
+{
+    wxComboBox *item = (wxComboBox *) clientData;
+
+    switch (cbs->reason)
+    {
+    case XmCR_SINGLE_SELECT:
+    case XmCR_BROWSE_SELECT:
+        {
+            wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED, item->GetId());
+            event.m_commandInt = cbs->index - 1;
+            //                event.m_commandString = item->GetString (event.m_commandInt);
+            event.m_extraLong = TRUE;
+            event.SetEventObject(item);
+            item->ProcessCommand (event);
+            break;
+        }
+    case XmCR_VALUE_CHANGED:
+        {
+            wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
+            event.m_commandInt = -1;
+            //                event.m_commandString = item->GetValue();
+            event.m_extraLong = TRUE;
+            event.SetEventObject(item);
+            item->ProcessCommand (event);
+            break;
+        }
+    default:
+        break;
+    }
+}
+
+void wxComboBox::ChangeFont(bool keepOriginalSize)
+{
+    // Don't use the base class wxChoice's ChangeFont
+    wxWindow::ChangeFont(keepOriginalSize);
+}
+
+void wxComboBox::ChangeBackgroundColour()
+{
+    wxWindow::ChangeBackgroundColour();
+}
+
+void wxComboBox::ChangeForegroundColour()
+{
+    wxWindow::ChangeBackgroundColour();
+}
+
+#endif
+