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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 | ||
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12 | // For compilers that support precompilation, includes "wx.h". |
13 | #include "wx/wxprec.h" | |
14 | ||
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15 | #include "wx/setup.h" |
16 | ||
17 | #if wxUSE_COMBOBOX | |
18 | ||
19 | #include "wx/combobox.h" | |
584ad2a3 | 20 | #include "wx/arrstr.h" |
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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 new, shiny combobox for Motif 2.x | |
31 | #if (XmVersion >= 2000) | |
32 | ||
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33 | #ifdef __VMS__ |
34 | #pragma message disable nosimpint | |
35 | #endif | |
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36 | #include <Xm/ComboBox.h> |
37 | #include <Xm/Text.h> | |
38 | #include <Xm/List.h> | |
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39 | #ifdef __VMS__ |
40 | #pragma message enable nosimpint | |
41 | #endif | |
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42 | |
43 | #include "wx/motif/private.h" | |
44 | ||
45 | // utility | |
46 | static Widget GetXmList( const wxComboBox* cb ) | |
47 | { | |
48 | Widget ret; | |
49 | XtVaGetValues( (Widget)cb->GetMainWidget(), | |
50 | XmNlist, &ret, | |
51 | NULL ); | |
52 | ||
53 | return ret; | |
54 | } | |
55 | ||
56 | static Widget GetXmText( const wxComboBox* cb ) | |
57 | { | |
58 | Widget ret; | |
59 | XtVaGetValues( (Widget)cb->GetMainWidget(), | |
60 | XmNtextField, &ret, | |
61 | NULL ); | |
62 | ||
63 | return ret; | |
64 | } | |
65 | ||
66 | void wxComboBoxCallback (Widget w, XtPointer clientData, | |
67 | XmComboBoxCallbackStruct * cbs); | |
68 | ||
69 | IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl) | |
70 | ||
71 | bool wxComboBox::Create(wxWindow *parent, wxWindowID id, | |
72 | const wxString& value, | |
73 | const wxPoint& pos, | |
74 | const wxSize& size, | |
75 | int n, const wxString choices[], | |
76 | long style, | |
77 | const wxValidator& validator, | |
78 | const wxString& name) | |
79 | { | |
80 | if( !CreateControl( parent, id, pos, size, style, validator, name ) ) | |
81 | return false; | |
82 | ||
83 | Widget parentWidget = (Widget) parent->GetClientWidget(); | |
84 | ||
85 | int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX : | |
86 | ( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST : | |
87 | ( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX : | |
88 | // default to wxCB_DROPDOWN | |
89 | XmDROP_DOWN_COMBO_BOX; | |
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90 | if( cb_type == XmDROP_DOWN_COMBO_BOX ) |
91 | SetWindowStyle( style | wxCB_DROPDOWN ); | |
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92 | |
93 | Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(), | |
94 | xmComboBoxWidgetClass, parentWidget, | |
95 | XmNcomboBoxType, cb_type, | |
96 | NULL); | |
97 | ||
98 | m_mainWidget = (Widget) buttonWidget; | |
99 | ||
100 | int i; | |
101 | for ( i = 0; i < n; ++i) | |
102 | Append( choices[i] ); | |
103 | ||
104 | XtManageChild (buttonWidget); | |
105 | ||
106 | SetValue(value); | |
107 | ||
108 | ChangeFont(false); | |
109 | ||
110 | XtAddCallback (buttonWidget, XmNselectionCallback, | |
111 | (XtCallbackProc) wxComboBoxCallback, | |
112 | (XtPointer) this); | |
113 | XtAddCallback (GetXmText(this), XmNvalueChangedCallback, | |
114 | (XtCallbackProc) wxComboBoxCallback, | |
115 | (XtPointer) this); | |
116 | ||
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117 | wxSize best = GetBestSize(); |
118 | if( size.x != -1 ) best.x = size.x; | |
119 | if( size.y != -1 ) best.y = size.y; | |
120 | ||
9b1bd0c6 | 121 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, |
e1aae528 | 122 | pos.x, pos.y, best.x, best.y); |
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123 | |
124 | ChangeBackgroundColour(); | |
125 | ||
126 | return true; | |
127 | } | |
128 | ||
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129 | bool wxComboBox::Create(wxWindow *parent, wxWindowID id, |
130 | const wxString& value, | |
131 | const wxPoint& pos, | |
132 | const wxSize& size, | |
133 | const wxArrayString& choices, | |
134 | long style, | |
135 | const wxValidator& validator, | |
136 | const wxString& name) | |
137 | { | |
138 | wxCArrayString chs(choices); | |
139 | return Create(parent, id, value, pos, size, chs.GetCount(), | |
140 | chs.GetStrings(), style, validator, name); | |
141 | } | |
142 | ||
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143 | void wxComboBox::AdjustDropDownListSize() |
144 | { | |
145 | int newListCount = -1, itemCount = GetCount(); | |
146 | const int MAX = 12; | |
147 | ||
148 | if( !itemCount ) | |
149 | newListCount = 1; | |
150 | else if( itemCount < MAX ) | |
151 | newListCount = itemCount; | |
152 | else | |
153 | newListCount = MAX; | |
154 | ||
155 | XtVaSetValues( GetXmList(this), | |
156 | XmNvisibleItemCount, newListCount, | |
157 | NULL ); | |
158 | } | |
159 | ||
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160 | wxComboBox::~wxComboBox() |
161 | { | |
162 | DetachWidget((Widget) m_mainWidget); // Removes event handlers | |
163 | XtDestroyWidget((Widget) m_mainWidget); | |
164 | m_mainWidget = (WXWidget) 0; | |
165 | if ( HasClientObjectData() ) | |
166 | m_clientDataDict.DestroyData(); | |
167 | } | |
168 | ||
169 | void wxComboBox::DoSetSize(int x, int y, int width, int height, int sizeFlags) | |
170 | { | |
171 | // Necessary so it doesn't call wxChoice::SetSize | |
172 | wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags); | |
173 | } | |
174 | ||
175 | wxString wxComboBox::GetValue() const | |
176 | { | |
177 | char* s = XmTextGetString (GetXmText (this)); | |
178 | wxString str(s); | |
179 | if (s) | |
180 | XtFree (s); | |
181 | return str; | |
182 | } | |
183 | ||
184 | void wxComboBox::SetString(int n, const wxString& s) | |
185 | { | |
186 | wxXmString text(s); | |
187 | Widget listBox = GetXmList(this); | |
188 | ||
189 | // delete the item and add it again. | |
190 | // FIXME isn't there a way to change it in place? | |
191 | XmListDeletePos (listBox, n+1); | |
192 | XmListAddItem (listBox, text(), n+1); | |
193 | } | |
194 | ||
195 | void wxComboBox::SetValue(const wxString& value) | |
196 | { | |
197 | m_inSetValue = true; | |
198 | ||
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199 | // Fix crash; probably an OpenMotif bug |
200 | const char* val = value.c_str() ? value.c_str() : ""; | |
9b1bd0c6 | 201 | XtVaSetValues( GetXmText(this), |
d8d18184 | 202 | XmNvalue, wxConstCast(val, char), |
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203 | NULL); |
204 | ||
205 | m_inSetValue = false; | |
206 | } | |
207 | ||
208 | int wxComboBox::DoAppend(const wxString& item) | |
209 | { | |
210 | wxXmString str( item.c_str() ); | |
211 | XmComboBoxAddItem((Widget) m_mainWidget, str(), 0, False); | |
9b1bd0c6 | 212 | m_noStrings ++; |
e1aae528 | 213 | AdjustDropDownListSize(); |
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214 | |
215 | return GetCount() - 1; | |
216 | } | |
217 | ||
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218 | int wxComboBox::DoInsert(const wxString& item, int pos) |
219 | { | |
220 | wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list")); | |
221 | wxCHECK_MSG((pos>=0) && (pos<=GetCount()), -1, wxT("invalid index")); | |
222 | ||
223 | if (pos == GetCount()) | |
224 | return DoAppend(item); | |
225 | ||
226 | wxXmString str( item.c_str() ); | |
227 | XmComboBoxAddItem((Widget) m_mainWidget, str(), pos+1, False); | |
228 | m_noStrings ++; | |
229 | AdjustDropDownListSize(); | |
230 | ||
231 | return GetCount() - 1; | |
232 | } | |
233 | ||
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234 | void wxComboBox::Delete(int n) |
235 | { | |
236 | #ifdef LESSTIF_VERSION | |
237 | XmListDeletePos (GetXmList(this), n + 1); | |
238 | #else | |
239 | XmComboBoxDeletePos((Widget) m_mainWidget, n+1); | |
240 | #endif | |
241 | ||
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242 | m_clientDataDict.Delete(n, HasClientObjectData()); |
243 | m_noStrings--; | |
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244 | |
245 | AdjustDropDownListSize(); | |
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246 | } |
247 | ||
248 | void wxComboBox::Clear() | |
249 | { | |
250 | #ifdef LESSTIF_VERSION | |
251 | XmListDeleteAllItems (GetXmList(this)); | |
252 | #else | |
253 | while(m_noStrings > 0) | |
254 | { | |
255 | XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--); | |
256 | } | |
e1aae528 | 257 | #endif |
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258 | |
259 | if ( HasClientObjectData() ) | |
260 | m_clientDataDict.DestroyData(); | |
261 | m_noStrings = 0; | |
e1aae528 | 262 | AdjustDropDownListSize(); |
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263 | } |
264 | ||
265 | void wxComboBox::SetSelection (int n) | |
266 | { | |
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267 | m_inSetSelection = true; |
268 | ||
d40708e2 | 269 | #if wxCHECK_LESSTIF() |
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270 | XmListSelectPos (GetXmList(this), n + 1, false); |
271 | SetValue(GetString(n)); | |
272 | #else | |
d40708e2 | 273 | #if 0 |
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274 | wxXmString str( GetString(n).c_str() ); |
275 | XmComboBoxSelectItem((Widget) m_mainWidget, str()); | |
d40708e2 | 276 | #endif |
9b1bd0c6 | 277 | XtVaSetValues( (Widget)m_mainWidget, |
d40708e2 | 278 | XmNselectedPosition, n, |
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279 | NULL ); |
280 | #endif | |
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281 | |
282 | m_inSetSelection = false; | |
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283 | } |
284 | ||
285 | int wxComboBox::GetSelection (void) const | |
286 | { | |
287 | return wxDoGetSelectionInList( GetXmList( this ) ); | |
288 | } | |
289 | ||
290 | wxString wxComboBox::GetString(int n) const | |
291 | { | |
e1aae528 | 292 | return wxDoGetStringInList( GetXmList(this), n ); |
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293 | } |
294 | ||
295 | int wxComboBox::FindString(const wxString& s) const | |
296 | { | |
297 | return wxDoFindStringInList( GetXmList( this ), s ); | |
298 | } | |
299 | ||
300 | // Clipboard operations | |
301 | void wxComboBox::Copy() | |
302 | { | |
100f9289 | 303 | XmTextCopy( GetXmText(this), CurrentTime ); |
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304 | } |
305 | ||
306 | void wxComboBox::Cut() | |
307 | { | |
100f9289 | 308 | XmTextCut( GetXmText(this), CurrentTime ); |
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309 | } |
310 | ||
311 | void wxComboBox::Paste() | |
312 | { | |
100f9289 | 313 | XmTextPaste( GetXmText(this) ); |
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314 | } |
315 | ||
316 | void wxComboBox::SetEditable(bool WXUNUSED(editable)) | |
317 | { | |
318 | // TODO | |
319 | } | |
320 | ||
321 | void wxComboBox::SetInsertionPoint(long pos) | |
322 | { | |
100f9289 | 323 | XmTextSetInsertionPosition( GetXmText(this), (XmTextPosition)pos ); |
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324 | } |
325 | ||
326 | void wxComboBox::SetInsertionPointEnd() | |
327 | { | |
100f9289 | 328 | SetInsertionPoint( GetLastPosition() ); |
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329 | } |
330 | ||
331 | long wxComboBox::GetInsertionPoint() const | |
332 | { | |
100f9289 | 333 | return (long)XmTextGetInsertionPosition( GetXmText(this) ); |
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334 | } |
335 | ||
336 | long wxComboBox::GetLastPosition() const | |
337 | { | |
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338 | XmTextPosition pos = XmTextGetLastPosition( GetXmText(this) ); |
339 | return (long)pos; | |
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340 | } |
341 | ||
342 | void wxComboBox::Replace(long from, long to, const wxString& value) | |
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343 | { |
344 | XmTextReplace( GetXmText(this), (XmTextPosition)from, (XmTextPosition)to, | |
d3a80c92 | 345 | wxConstCast(value.c_str(), char) ); |
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346 | } |
347 | ||
348 | void wxComboBox::Remove(long from, long to) | |
349 | { | |
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350 | SetSelection( from, to ); |
351 | XmTextRemove( GetXmText(this) ); | |
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352 | } |
353 | ||
354 | void wxComboBox::SetSelection(long from, long to) | |
355 | { | |
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356 | if( to == -1 ) |
357 | to = GetLastPosition(); | |
358 | ||
359 | XmTextSetSelection( GetXmText(this), (XmTextPosition)from, | |
360 | (XmTextPosition)to, (Time)0 ); | |
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361 | } |
362 | ||
363 | void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData, | |
364 | XmComboBoxCallbackStruct * cbs) | |
365 | { | |
366 | wxComboBox *item = (wxComboBox *) clientData; | |
367 | ||
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368 | if( item->m_inSetSelection ) return; |
369 | ||
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370 | switch (cbs->reason) |
371 | { | |
372 | case XmCR_SELECT: | |
373 | #if 0 | |
374 | case XmCR_SINGLE_SELECT: | |
375 | case XmCR_BROWSE_SELECT: | |
376 | #endif | |
377 | { | |
378 | wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED, | |
379 | item->GetId()); | |
d8d18184 | 380 | int idx = cbs->item_position; |
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381 | event.m_commandInt = idx; |
382 | event.m_commandString = item->GetString (idx); | |
383 | if ( item->HasClientObjectData() ) | |
384 | event.SetClientObject( item->GetClientObject(idx) ); | |
385 | else if ( item->HasClientUntypedData() ) | |
386 | event.SetClientData( item->GetClientData(idx) ); | |
387 | event.m_extraLong = true; | |
388 | event.SetEventObject(item); | |
d8d18184 | 389 | item->GetEventHandler()->ProcessEvent(event); |
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390 | break; |
391 | } | |
392 | case XmCR_VALUE_CHANGED: | |
393 | { | |
394 | wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId()); | |
395 | event.m_commandInt = -1; | |
396 | event.m_commandString = item->GetValue(); | |
397 | event.m_extraLong = true; | |
398 | event.SetEventObject(item); | |
d8d18184 | 399 | item->GetEventHandler()->ProcessEvent(event); |
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400 | break; |
401 | } | |
402 | default: | |
403 | break; | |
404 | } | |
405 | } | |
406 | ||
407 | void wxComboBox::ChangeFont(bool keepOriginalSize) | |
408 | { | |
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409 | if( m_font.Ok() ) |
410 | { | |
411 | wxDoChangeFont( GetXmText(this), m_font ); | |
412 | wxDoChangeFont( GetXmList(this), m_font ); | |
413 | } | |
414 | ||
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415 | // Don't use the base class wxChoice's ChangeFont |
416 | wxWindow::ChangeFont(keepOriginalSize); | |
417 | } | |
418 | ||
419 | void wxComboBox::ChangeBackgroundColour() | |
420 | { | |
421 | wxWindow::ChangeBackgroundColour(); | |
422 | } | |
423 | ||
424 | void wxComboBox::ChangeForegroundColour() | |
425 | { | |
426 | wxWindow::ChangeForegroundColour(); | |
427 | } | |
428 | ||
429 | wxSize wxComboBox::DoGetBestSize() const | |
430 | { | |
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431 | if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN || |
432 | (GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY ) | |
433 | { | |
434 | Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow; | |
435 | ||
436 | XtVaGetValues( (Widget)m_mainWidget, | |
437 | XmNarrowSize, &arrowW, | |
438 | XmNarrowSpacing, &arrowS, | |
439 | XmNhighlightThickness, &highlight, | |
440 | XmNmarginWidth, &xmargin, | |
441 | XmNmarginHeight, &ymargin, | |
442 | XmNshadowThickness, &shadow, | |
443 | NULL ); | |
444 | ||
445 | wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this ); | |
446 | wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this), | |
447 | this ); | |
448 | ||
449 | // FIXME arbitrary constants | |
450 | return wxSize( listSize.x + arrowW + arrowS + 2 * highlight | |
451 | + 2 * shadow + 2 * xmargin , | |
452 | textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow ); | |
453 | } | |
454 | else | |
455 | return wxWindow::DoGetBestSize(); | |
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456 | } |
457 | ||
458 | #endif // XmVersion >= 2000 | |
459 | ||
460 | #endif // wxUSE_COMBOBOX |