Files
wxWidgets/src/motif/combobox_native.cpp
2003-02-11 17:51:28 +00:00

381 lines
9.0 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: combobox_native.cpp
// Purpose: wxComboBox class
// Author: Julian Smart, Ian Brown
// Modified by:
// Created: 01/02/03
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/setup.h"
#if wxUSE_COMBOBOX
#include "wx/combobox.h"
#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include <Xm/Xm.h>
#ifdef __VMS__
#pragma message enable nosimpint
#endif
// use the new, shiny combobox for Motif 2.x
#if (XmVersion >= 2000)
#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include <Xm/ComboBox.h>
#include <Xm/Text.h>
#include <Xm/List.h>
#ifdef __VMS__
#pragma message enable nosimpint
#endif
#include "wx/motif/private.h"
// utility
static Widget GetXmList( const wxComboBox* cb )
{
Widget ret;
XtVaGetValues( (Widget)cb->GetMainWidget(),
XmNlist, &ret,
NULL );
return ret;
}
static Widget GetXmText( const wxComboBox* cb )
{
Widget ret;
XtVaGetValues( (Widget)cb->GetMainWidget(),
XmNtextField, &ret,
NULL );
return ret;
}
void wxComboBoxCallback (Widget w, XtPointer clientData,
XmComboBoxCallbackStruct * cbs);
IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
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)
{
if( !CreateControl( parent, id, pos, size, style, validator, name ) )
return false;
Widget parentWidget = (Widget) parent->GetClientWidget();
int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX :
( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST :
( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
// default to wxCB_DROPDOWN
XmDROP_DOWN_COMBO_BOX;
Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
xmComboBoxWidgetClass, parentWidget,
XmNcomboBoxType, cb_type,
NULL);
m_mainWidget = (Widget) buttonWidget;
int i;
for ( i = 0; i < n; ++i)
Append( choices[i] );
XtManageChild (buttonWidget);
SetValue(value);
ChangeFont(false);
XtAddCallback (buttonWidget, XmNselectionCallback,
(XtCallbackProc) wxComboBoxCallback,
(XtPointer) this);
XtAddCallback (GetXmText(this), XmNvalueChangedCallback,
(XtCallbackProc) wxComboBoxCallback,
(XtPointer) this);
SetCanAddEventHandler(true);
AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
pos.x, pos.y, size.x, size.y);
XtVaSetValues (GetXmList(this),
XmNvisibleItemCount, 10,
NULL);
ChangeBackgroundColour();
return true;
}
wxComboBox::~wxComboBox()
{
DetachWidget((Widget) m_mainWidget); // Removes event handlers
XtDestroyWidget((Widget) m_mainWidget);
m_mainWidget = (WXWidget) 0;
if ( HasClientObjectData() )
m_clientDataDict.DestroyData();
}
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, DoGetBestSize().y, sizeFlags);
}
wxString wxComboBox::GetValue() const
{
char* s = XmTextGetString (GetXmText (this));
wxString str(s);
if (s)
XtFree (s);
return str;
}
void wxComboBox::SetString(int n, const wxString& s)
{
wxXmString text(s);
Widget listBox = GetXmList(this);
// delete the item and add it again.
// FIXME isn't there a way to change it in place?
XmListDeletePos (listBox, n+1);
XmListAddItem (listBox, text(), n+1);
}
void wxComboBox::SetValue(const wxString& value)
{
m_inSetValue = true;
XtVaSetValues( GetXmText(this),
XmNvalue, (char *)value.c_str(),
NULL);
m_inSetValue = false;
}
int wxComboBox::DoAppend(const wxString& item)
{
wxXmString str( item.c_str() );
XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);
m_stringList.Add(item);
m_noStrings ++;
return GetCount() - 1;
}
void wxComboBox::Delete(int n)
{
#ifdef LESSTIF_VERSION
XmListDeletePos (GetXmList(this), n + 1);
#else
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--;
}
void wxComboBox::Clear()
{
#ifdef LESSTIF_VERSION
XmListDeleteAllItems (GetXmList(this));
#else
while(m_noStrings > 0)
{
XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
}
#endif
m_stringList.Clear();
if ( HasClientObjectData() )
m_clientDataDict.DestroyData();
m_noStrings = 0;
}
void wxComboBox::SetSelection (int n)
{
#ifdef LESSTIF_VERSION
XmListSelectPos (GetXmList(this), n + 1, false);
SetValue(GetString(n));
#else
wxXmString str( GetString(n).c_str() );
XmComboBoxSelectItem((Widget) m_mainWidget, str());
#if 0
// does it work for Motif
XtVaSetValues( (Widget)m_mainWidget,
XmNselectedPosition, n + 1,
NULL );
#endif
#endif
}
int wxComboBox::GetSelection (void) const
{
return wxDoGetSelectionInList( GetXmList( this ) );
}
wxString wxComboBox::GetString(int n) const
{
wxStringList::Node *node = m_stringList.Item(n);
if (node)
return wxString(node->GetData ());
else
return wxEmptyString;
}
int wxComboBox::FindString(const wxString& s) const
{
return wxDoFindStringInList( GetXmList( this ), s );
}
// Clipboard operations
void wxComboBox::Copy()
{
XmTextCopy( GetXmText(this), CurrentTime );
}
void wxComboBox::Cut()
{
XmTextCut( GetXmText(this), CurrentTime );
}
void wxComboBox::Paste()
{
XmTextPaste( GetXmText(this) );
}
void wxComboBox::SetEditable(bool WXUNUSED(editable))
{
// TODO
}
void wxComboBox::SetInsertionPoint(long pos)
{
XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos );
}
void wxComboBox::SetInsertionPointEnd()
{
SetInsertionPoint( GetLastPosition() );
}
long wxComboBox::GetInsertionPoint() const
{
return (long)XmTextGetInsertionPosition( GetXmText(this) );
}
long wxComboBox::GetLastPosition() const
{
XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) );
return (long)pos;
}
void wxComboBox::Replace(long from, long to, const wxString& value)
{
XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
(char*)value.c_str() );
}
void wxComboBox::Remove(long from, long to)
{
SetSelection( from, to );
XmTextRemove( GetXmText(this) );
}
void wxComboBox::SetSelection(long from, long to)
{
if( to == -1 )
to = GetLastPosition();
XmTextSetSelection( GetXmText(this), (XmTextPosition)from,
(XmTextPosition)to, (Time)0 );
}
void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
XmComboBoxCallbackStruct * cbs)
{
wxComboBox *item = (wxComboBox *) clientData;
switch (cbs->reason)
{
case XmCR_SELECT:
#if 0
case XmCR_SINGLE_SELECT:
case XmCR_BROWSE_SELECT:
#endif
{
wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
item->GetId());
int idx = cbs->item_position - 1;
event.m_commandInt = idx;
event.m_commandString = item->GetString (idx);
if ( item->HasClientObjectData() )
event.SetClientObject( item->GetClientObject(idx) );
else if ( item->HasClientUntypedData() )
event.SetClientData( item->GetClientData(idx) );
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::ChangeForegroundColour();
}
wxSize wxComboBox::DoGetBestSize() const
{
return wxWindow::DoGetBestSize();
}
#endif // XmVersion >= 2000
#endif // wxUSE_COMBOBOX