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[wxWidgets.git] / src / motif / combobox_native.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: combobox_native.cpp
3// Purpose: wxComboBox class
4// Author: Julian Smart, Ian Brown
5// Modified by:
6// Created: 01/02/03
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#include "wx/setup.h"
13
14#if wxUSE_COMBOBOX
15
16#include "wx/combobox.h"
17
18#ifdef __VMS__
19#pragma message disable nosimpint
20#endif
21#include <Xm/Xm.h>
22#ifdef __VMS__
23#pragma message enable nosimpint
24#endif
25
26// use the new, shiny combobox for Motif 2.x
27#if (XmVersion >= 2000)
28
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29#ifdef __VMS__
30#pragma message disable nosimpint
31#endif
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32#include <Xm/ComboBox.h>
33#include <Xm/Text.h>
34#include <Xm/List.h>
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35#ifdef __VMS__
36#pragma message enable nosimpint
37#endif
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38
39#include "wx/motif/private.h"
40
41// utility
42static Widget GetXmList( const wxComboBox* cb )
43{
44 Widget ret;
45 XtVaGetValues( (Widget)cb->GetMainWidget(),
46 XmNlist, &ret,
47 NULL );
48
49 return ret;
50}
51
52static Widget GetXmText( const wxComboBox* cb )
53{
54 Widget ret;
55 XtVaGetValues( (Widget)cb->GetMainWidget(),
56 XmNtextField, &ret,
57 NULL );
58
59 return ret;
60}
61
62void wxComboBoxCallback (Widget w, XtPointer clientData,
63 XmComboBoxCallbackStruct * cbs);
64
65IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
66
67bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
68 const wxString& value,
69 const wxPoint& pos,
70 const wxSize& size,
71 int n, const wxString choices[],
72 long style,
73 const wxValidator& validator,
74 const wxString& name)
75{
76 if( !CreateControl( parent, id, pos, size, style, validator, name ) )
77 return false;
78
79 Widget parentWidget = (Widget) parent->GetClientWidget();
80
81 int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX :
82 ( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST :
83 ( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
84 // default to wxCB_DROPDOWN
85 XmDROP_DOWN_COMBO_BOX;
86
87 Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
88 xmComboBoxWidgetClass, parentWidget,
89 XmNcomboBoxType, cb_type,
90 NULL);
91
92 m_mainWidget = (Widget) buttonWidget;
93
94 int i;
95 for ( i = 0; i < n; ++i)
96 Append( choices[i] );
97
98 XtManageChild (buttonWidget);
99
100 SetValue(value);
101
102 ChangeFont(false);
103
104 XtAddCallback (buttonWidget, XmNselectionCallback,
105 (XtCallbackProc) wxComboBoxCallback,
106 (XtPointer) this);
107 XtAddCallback (GetXmText(this), XmNvalueChangedCallback,
108 (XtCallbackProc) wxComboBoxCallback,
109 (XtPointer) this);
110
111 SetCanAddEventHandler(true);
112 AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
113 pos.x, pos.y, size.x, size.y);
114
115 XtVaSetValues (GetXmList(this),
116 XmNvisibleItemCount, 10,
117 NULL);
118
119 ChangeBackgroundColour();
120
121 return true;
122}
123
124wxComboBox::~wxComboBox()
125{
126 DetachWidget((Widget) m_mainWidget); // Removes event handlers
127 XtDestroyWidget((Widget) m_mainWidget);
128 m_mainWidget = (WXWidget) 0;
129 if ( HasClientObjectData() )
130 m_clientDataDict.DestroyData();
131}
132
133void wxComboBox::DoSetSize(int x, int y, int width, int height, int sizeFlags)
134{
135 // Necessary so it doesn't call wxChoice::SetSize
136 wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
137}
138
139wxString wxComboBox::GetValue() const
140{
141 char* s = XmTextGetString (GetXmText (this));
142 wxString str(s);
143 if (s)
144 XtFree (s);
145 return str;
146}
147
148void wxComboBox::SetString(int n, const wxString& s)
149{
150 wxXmString text(s);
151 Widget listBox = GetXmList(this);
152
153 // delete the item and add it again.
154 // FIXME isn't there a way to change it in place?
155 XmListDeletePos (listBox, n+1);
156 XmListAddItem (listBox, text(), n+1);
157}
158
159void wxComboBox::SetValue(const wxString& value)
160{
161 m_inSetValue = true;
162
163 XtVaSetValues( GetXmText(this),
164 XmNvalue, (char *)value.c_str(),
165 NULL);
166
167 m_inSetValue = false;
168}
169
170int wxComboBox::DoAppend(const wxString& item)
171{
172 wxXmString str( item.c_str() );
173 XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False);
174 m_stringList.Add(item);
175 m_noStrings ++;
176
177 return GetCount() - 1;
178}
179
180void wxComboBox::Delete(int n)
181{
182#ifdef LESSTIF_VERSION
183 XmListDeletePos (GetXmList(this), n + 1);
184#else
185 XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
186#endif
187
188 wxStringList::Node *node = m_stringList.Item(n);
189 if (node)
190 {
191 delete[] node->GetData();
192 delete node;
193 }
194 m_clientDataDict.Delete(n, HasClientObjectData());
195 m_noStrings--;
196}
197
198void wxComboBox::Clear()
199{
200#ifdef LESSTIF_VERSION
201 XmListDeleteAllItems (GetXmList(this));
202#else
203 while(m_noStrings > 0)
204 {
205 XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
206 }
207 #endif
208
209 m_stringList.Clear();
210
211 if ( HasClientObjectData() )
212 m_clientDataDict.DestroyData();
213 m_noStrings = 0;
214}
215
216void wxComboBox::SetSelection (int n)
217{
218#ifdef LESSTIF_VERSION
219 XmListSelectPos (GetXmList(this), n + 1, false);
220 SetValue(GetString(n));
221#else
222 wxXmString str( GetString(n).c_str() );
223 XmComboBoxSelectItem((Widget) m_mainWidget, str());
224#if 0
225 // does it work for Motif
226 XtVaSetValues( (Widget)m_mainWidget,
227 XmNselectedPosition, n + 1,
228 NULL );
229#endif
230#endif
231}
232
233int wxComboBox::GetSelection (void) const
234{
235 return wxDoGetSelectionInList( GetXmList( this ) );
236}
237
238wxString wxComboBox::GetString(int n) const
239{
240 wxStringList::Node *node = m_stringList.Item(n);
241 if (node)
242 return wxString(node->GetData ());
243 else
244 return wxEmptyString;
245}
246
247int wxComboBox::FindString(const wxString& s) const
248{
249 return wxDoFindStringInList( GetXmList( this ), s );
250}
251
252// Clipboard operations
253void wxComboBox::Copy()
254{
100f9289 255 XmTextCopy( GetXmText(this), CurrentTime );
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256}
257
258void wxComboBox::Cut()
259{
100f9289 260 XmTextCut( GetXmText(this), CurrentTime );
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261}
262
263void wxComboBox::Paste()
264{
100f9289 265 XmTextPaste( GetXmText(this) );
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266}
267
268void wxComboBox::SetEditable(bool WXUNUSED(editable))
269{
270 // TODO
271}
272
273void wxComboBox::SetInsertionPoint(long pos)
274{
100f9289 275 XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos );
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276}
277
278void wxComboBox::SetInsertionPointEnd()
279{
100f9289 280 SetInsertionPoint( GetLastPosition() );
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281}
282
283long wxComboBox::GetInsertionPoint() const
284{
100f9289 285 return (long)XmTextGetInsertionPosition( GetXmText(this) );
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286}
287
288long wxComboBox::GetLastPosition() const
289{
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290 XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) );
291 return (long)pos;
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292}
293
294void wxComboBox::Replace(long from, long to, const wxString& value)
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295{
296 XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to,
297 (char*)value.c_str() );
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298}
299
300void wxComboBox::Remove(long from, long to)
301{
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302 SetSelection( from, to );
303 XmTextRemove( GetXmText(this) );
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304}
305
306void wxComboBox::SetSelection(long from, long to)
307{
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308 if( to == -1 )
309 to = GetLastPosition();
310
311 XmTextSetSelection( GetXmText(this), (XmTextPosition)from,
312 (XmTextPosition)to, (Time)0 );
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313}
314
315void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
316 XmComboBoxCallbackStruct * cbs)
317{
318 wxComboBox *item = (wxComboBox *) clientData;
319
320 switch (cbs->reason)
321 {
322 case XmCR_SELECT:
323#if 0
324 case XmCR_SINGLE_SELECT:
325 case XmCR_BROWSE_SELECT:
326#endif
327 {
328 wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
329 item->GetId());
330 int idx = cbs->item_position - 1;
331 event.m_commandInt = idx;
332 event.m_commandString = item->GetString (idx);
333 if ( item->HasClientObjectData() )
334 event.SetClientObject( item->GetClientObject(idx) );
335 else if ( item->HasClientUntypedData() )
336 event.SetClientData( item->GetClientData(idx) );
337 event.m_extraLong = true;
338 event.SetEventObject(item);
339 item->ProcessCommand (event);
340 break;
341 }
342 case XmCR_VALUE_CHANGED:
343 {
344 wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
345 event.m_commandInt = -1;
346 event.m_commandString = item->GetValue();
347 event.m_extraLong = true;
348 event.SetEventObject(item);
349 item->ProcessCommand (event);
350 break;
351 }
352 default:
353 break;
354 }
355}
356
357void wxComboBox::ChangeFont(bool keepOriginalSize)
358{
359 // Don't use the base class wxChoice's ChangeFont
360 wxWindow::ChangeFont(keepOriginalSize);
361}
362
363void wxComboBox::ChangeBackgroundColour()
364{
365 wxWindow::ChangeBackgroundColour();
366}
367
368void wxComboBox::ChangeForegroundColour()
369{
370 wxWindow::ChangeForegroundColour();
371}
372
373wxSize wxComboBox::DoGetBestSize() const
374{
375 return wxWindow::DoGetBestSize();
376}
377
378#endif // XmVersion >= 2000
379
380#endif // wxUSE_COMBOBOX