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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/motif/combobox.cpp
3// Purpose: wxComboBox class
4// Author: Julian Smart
5// Modified by:
6// Created: 17/09/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// For compilers that support precompilation, includes "wx.h".
13#include "wx/wxprec.h"
14
15#include "wx/setup.h"
16
17#if wxUSE_COMBOBOX
18
19#include "wx/combobox.h"
20#include "wx/arrstr.h"
21
22#ifdef __VMS__
23#pragma message disable nosimpint
24#endif
25#include <Xm/Xm.h>
26#ifdef __VMS__
27#pragma message enable nosimpint
28#endif
29
30// use the old, GPL'd combobox
31#if (XmVersion < 2000)
32
33#include "xmcombo/xmcombo.h"
34
35#include "wx/motif/private.h"
36
37void wxComboBoxCallback (Widget w, XtPointer clientData,
38 XmComboBoxSelectionCallbackStruct * cbs);
39
40IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
41
42bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
43 const wxString& value,
44 const wxPoint& pos,
45 const wxSize& size,
46 int n, const wxString choices[],
47 long style,
48 const wxValidator& validator,
49 const wxString& name)
50{
51 if( !CreateControl( parent, id, pos, size, style, validator, name ) )
52 return false;
53
54 m_noStrings = n;
55
56 Widget parentWidget = (Widget) parent->GetClientWidget();
57
58 Widget buttonWidget = XtVaCreateManagedWidget(name.c_str(),
59 xmComboBoxWidgetClass, parentWidget,
60 XmNmarginHeight, 0,
61 XmNmarginWidth, 0,
62 XmNshowLabel, False,
63 XmNeditable, ((style & wxCB_READONLY) != wxCB_READONLY),
64 XmNsorted, ((style & wxCB_SORT) == wxCB_SORT),
65 XmNstaticList, ((style & wxCB_SIMPLE) == wxCB_SIMPLE),
66 NULL);
67
68 int i;
69 for (i = 0; i < n; i++)
70 {
71 wxXmString str( choices[i] );
72 XmComboBoxAddItem(buttonWidget, str(), 0);
73 m_stringList.Add(choices[i]);
74 }
75
76 m_mainWidget = (Widget) buttonWidget;
77
78 XtManageChild (buttonWidget);
79
80 SetValue(value);
81
82 ChangeFont(false);
83
84 XtAddCallback (buttonWidget, XmNselectionCallback, (XtCallbackProc) wxComboBoxCallback,
85 (XtPointer) this);
86 XtAddCallback (buttonWidget, XmNvalueChangedCallback, (XtCallbackProc) wxComboBoxCallback,
87 (XtPointer) this);
88
89 AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y);
90
91 ChangeBackgroundColour();
92
93 return true;
94}
95
96bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
97 const wxString& value,
98 const wxPoint& pos,
99 const wxSize& size,
100 const wxArrayString& choices,
101 long style,
102 const wxValidator& validator,
103 const wxString& name)
104{
105 wxCArrayString chs(choices);
106 return Create(parent, id, value, pos, size, chs.GetCount(),
107 chs.GetStrings(), style, validator, name);
108}
109
110wxComboBox::~wxComboBox()
111{
112 DetachWidget((Widget) m_mainWidget); // Removes event handlers
113 XtDestroyWidget((Widget) m_mainWidget);
114 m_mainWidget = (WXWidget) 0;
115 if ( HasClientObjectData() )
116 m_clientDataDict.DestroyData();
117}
118
119void wxComboBox::DoSetSize(int x, int y,
120 int width, int WXUNUSED(height),
121 int sizeFlags)
122{
123 // Necessary so it doesn't call wxChoice::SetSize
124 wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
125}
126
127wxString wxComboBox::GetValue() const
128{
129 char *s = XmComboBoxGetString ((Widget) m_mainWidget);
130 if (s)
131 {
132 wxString str(s);
133 XtFree (s);
134 return str;
135 }
136 else
137 return wxEmptyString;
138}
139
140void wxComboBox::SetValue(const wxString& value)
141{
142 m_inSetValue = true;
143 if( !value.empty() )
144 XmComboBoxSetString( (Widget)m_mainWidget,
145 wxConstCast(value.c_str(), char) );
146 m_inSetValue = false;
147}
148
149void wxComboBox::SetString(int WXUNUSED(n), const wxString& WXUNUSED(s))
150{
151 wxFAIL_MSG( wxT("wxComboBox::SetString only implemented for Motif 2.0") );
152}
153
154int wxComboBox::DoAppend(const wxString& item)
155{
156 wxXmString str( item.c_str() );
157 XmComboBoxAddItem((Widget) m_mainWidget, str(), 0);
158 m_stringList.Add(item);
159 m_noStrings ++;
160
161 return GetCount() - 1;
162}
163
164int wxComboBox::DoInsert(const wxString& item, int pos)
165{
166 wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
167 wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index"));
168
169 if (pos == GetCount())
170 return DoAppend(item);
171
172 wxXmString str( item.c_str() );
173 XmComboBoxAddItem((Widget) m_mainWidget, str(), pos+1);
174 wxChar* copy = wxStrcpy(new wxChar[item.length() + 1], item.c_str());
175 m_stringList.Insert(pos, copy);
176 m_noStrings ++;
177
178 return pos;
179}
180
181void wxComboBox::Delete(int n)
182{
183 XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
184 wxStringList::Node *node = m_stringList.Item(n);
185 if (node)
186 {
187 delete[] node->GetData();
188 delete node;
189 }
190 m_clientDataDict.Delete(n, HasClientObjectData());
191 m_noStrings--;
192}
193
194void wxComboBox::Clear()
195{
196 XmComboBoxDeleteAllItems((Widget) m_mainWidget);
197 m_stringList.Clear();
198
199 if ( HasClientObjectData() )
200 m_clientDataDict.DestroyData();
201 m_noStrings = 0;
202}
203
204void wxComboBox::SetSelection (int n)
205{
206 XmComboBoxSelectPos((Widget) m_mainWidget, n+1, False);
207}
208
209int wxComboBox::GetSelection (void) const
210{
211 int sel = XmComboBoxGetSelectedPos((Widget) m_mainWidget);
212 if (sel == 0)
213 return -1;
214 else
215 return sel - 1;
216}
217
218wxString wxComboBox::GetString(int n) const
219{
220 wxStringList::Node *node = m_stringList.Item(n);
221 if (node)
222 return wxString(node->GetData ());
223 else
224 return wxEmptyString;
225}
226
227int wxComboBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
228{
229 // FIXME: back to base class for not supported value of bCase
230
231 int *pos_list = NULL;
232 int count = 0;
233 wxXmString text( s );
234 bool found = (XmComboBoxGetMatchPos((Widget) m_mainWidget,
235 text(), &pos_list, &count) != 0);
236
237 if (found && count > 0)
238 {
239 int pos = pos_list[0] - 1;
240 free(pos_list);
241 return pos;
242 }
243
244 return wxNOT_FOUND;
245}
246
247// Clipboard operations
248void wxComboBox::Copy()
249{
250 XmComboBoxCopy((Widget) m_mainWidget, CurrentTime);
251}
252
253void wxComboBox::Cut()
254{
255 XmComboBoxCut((Widget) m_mainWidget, CurrentTime);
256}
257
258void wxComboBox::Paste()
259{
260 XmComboBoxPaste((Widget) m_mainWidget);
261}
262
263void wxComboBox::SetEditable(bool WXUNUSED(editable))
264{
265 // TODO
266}
267
268void wxComboBox::SetInsertionPoint(long pos)
269{
270 XmComboBoxSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) pos);
271}
272
273void wxComboBox::SetInsertionPointEnd()
274{
275 XmTextPosition pos = XmComboBoxGetLastPosition ((Widget) m_mainWidget);
276 XmComboBoxSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) (pos + 1));
277}
278
279long wxComboBox::GetInsertionPoint() const
280{
281 return (long) XmComboBoxGetInsertionPosition ((Widget) m_mainWidget);
282}
283
284wxTextPos wxComboBox::GetLastPosition() const
285{
286 return (wxTextPos) XmComboBoxGetLastPosition ((Widget) m_mainWidget);
287}
288
289void wxComboBox::Replace(long from, long to, const wxString& value)
290{
291 XmComboBoxReplace ((Widget) m_mainWidget, (XmTextPosition) from,
292 (XmTextPosition) to,
293 wxConstCast(value.c_str(), char));
294}
295
296void wxComboBox::Remove(long from, long to)
297{
298 XmComboBoxSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
299 (Time) 0);
300 XmComboBoxRemove ((Widget) m_mainWidget);
301}
302
303void wxComboBox::SetSelection(long from, long to)
304{
305 XmComboBoxSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
306 (Time) 0);
307}
308
309void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
310 XmComboBoxSelectionCallbackStruct * cbs)
311{
312 wxComboBox *item = (wxComboBox *) clientData;
313
314 switch (cbs->reason)
315 {
316 case XmCR_SINGLE_SELECT:
317 case XmCR_BROWSE_SELECT:
318 {
319 wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
320 item->GetId());
321 event.SetInt(cbs->index - 1);
322 event.SetString( item->GetString ( event.GetInt() ) );
323 if ( item->HasClientObjectData() )
324 event.SetClientObject( item->GetClientObject(cbs->index - 1) );
325 else if ( item->HasClientUntypedData() )
326 event.SetClientData( item->GetClientData(cbs->index - 1) );
327 event.SetExtraLong(true);
328 event.SetEventObject(item);
329 item->ProcessCommand (event);
330 break;
331 }
332 case XmCR_VALUE_CHANGED:
333 {
334 wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
335 event.SetInt(-1);
336 event.SetString( item->GetValue() );
337 event.SetExtraLong(true);
338 event.SetEventObject(item);
339 item->ProcessCommand (event);
340 break;
341 }
342 default:
343 break;
344 }
345}
346
347void wxComboBox::ChangeFont(bool keepOriginalSize)
348{
349 // Don't use the base class wxChoice's ChangeFont
350 wxWindow::ChangeFont(keepOriginalSize);
351}
352
353void wxComboBox::ChangeBackgroundColour()
354{
355 wxWindow::ChangeBackgroundColour();
356}
357
358void wxComboBox::ChangeForegroundColour()
359{
360 wxWindow::ChangeForegroundColour();
361}
362
363wxSize wxComboBox::DoGetBestSize() const
364{
365 if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN ||
366 (GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
367 {
368 wxSize items = GetItemsSize();
369 // FIXME arbitrary constants
370 return wxSize( ( items.x ? items.x + 50 : 120 ),
371 items.y + 10 );
372 }
373 else
374 return wxWindow::DoGetBestSize();
375}
376
377#endif // XmVersion < 2000
378
379#endif // wxUSE_COMBOBOX