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[wxWidgets.git] / src / motif / combobox_native.cpp
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9b1bd0c6 1/////////////////////////////////////////////////////////////////////////////
11e62fe6 2// Name: src/motif/combobox_native.cpp
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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
65571936 9// Licence: wxWindows licence
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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#if wxUSE_COMBOBOX
16
17#include "wx/combobox.h"
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18
19#ifndef WX_PRECOMP
20 #include "wx/arrstr.h"
21#endif
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22
23#ifdef __VMS__
24#pragma message disable nosimpint
25#endif
26#include <Xm/Xm.h>
27#ifdef __VMS__
28#pragma message enable nosimpint
29#endif
30
31// use the new, shiny combobox for Motif 2.x
32#if (XmVersion >= 2000)
33
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34#ifdef __VMS__
35#pragma message disable nosimpint
36#endif
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37#include <Xm/ComboBox.h>
38#include <Xm/Text.h>
39#include <Xm/List.h>
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40#ifdef __VMS__
41#pragma message enable nosimpint
42#endif
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43
44#include "wx/motif/private.h"
45
46// utility
47static Widget GetXmList( const wxComboBox* cb )
48{
49 Widget ret;
50 XtVaGetValues( (Widget)cb->GetMainWidget(),
51 XmNlist, &ret,
52 NULL );
53
54 return ret;
55}
56
57static Widget GetXmText( const wxComboBox* cb )
58{
59 Widget ret;
60 XtVaGetValues( (Widget)cb->GetMainWidget(),
61 XmNtextField, &ret,
62 NULL );
63
64 return ret;
65}
66
67void wxComboBoxCallback (Widget w, XtPointer clientData,
68 XmComboBoxCallbackStruct * cbs);
69
70IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
71
72bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
73 const wxString& value,
74 const wxPoint& pos,
75 const wxSize& size,
76 int n, const wxString choices[],
77 long style,
78 const wxValidator& validator,
79 const wxString& name)
80{
81 if( !CreateControl( parent, id, pos, size, style, validator, name ) )
82 return false;
105fbe1f 83 PreCreation();
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84
85 Widget parentWidget = (Widget) parent->GetClientWidget();
86
87 int cb_type = ( style & wxCB_SIMPLE ) ? XmCOMBO_BOX :
88 ( style & wxCB_READONLY ) ? XmDROP_DOWN_LIST :
89 ( style & wxCB_DROPDOWN ) ? XmDROP_DOWN_COMBO_BOX :
90 // default to wxCB_DROPDOWN
91 XmDROP_DOWN_COMBO_BOX;
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92 if( cb_type == XmDROP_DOWN_COMBO_BOX )
93 SetWindowStyle( style | wxCB_DROPDOWN );
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94
95 Widget buttonWidget= XtVaCreateManagedWidget(name.c_str(),
96 xmComboBoxWidgetClass, parentWidget,
7d8268a1 97 XmNcomboBoxType, cb_type,
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98 NULL);
99
100 m_mainWidget = (Widget) buttonWidget;
101
102 int i;
103 for ( i = 0; i < n; ++i)
104 Append( choices[i] );
105
106 XtManageChild (buttonWidget);
107
108 SetValue(value);
109
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110 XtAddCallback (buttonWidget, XmNselectionCallback,
111 (XtCallbackProc) wxComboBoxCallback,
112 (XtPointer) this);
113 XtAddCallback (GetXmText(this), XmNvalueChangedCallback,
114 (XtCallbackProc) wxComboBoxCallback,
115 (XtPointer) this);
116
e1aae528 117 wxSize best = GetBestSize();
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118 if( size.x != wxDefaultCoord ) best.x = size.x;
119 if( size.y != wxDefaultCoord ) best.y = size.y;
e1aae528 120
105fbe1f 121 PostCreation();
9b1bd0c6 122 AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
e1aae528 123 pos.x, pos.y, best.x, best.y);
9b1bd0c6 124
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125 return true;
126}
127
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128bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
129 const wxString& value,
130 const wxPoint& pos,
131 const wxSize& size,
132 const wxArrayString& choices,
133 long style,
134 const wxValidator& validator,
135 const wxString& name)
136{
137 wxCArrayString chs(choices);
7d8268a1 138 return Create(parent, id, value, pos, size, chs.GetCount(),
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139 chs.GetStrings(), style, validator, name);
140}
141
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142void wxComboBox::AdjustDropDownListSize()
143{
144 int newListCount = -1, itemCount = GetCount();
145 const int MAX = 12;
146
147 if( !itemCount )
148 newListCount = 1;
149 else if( itemCount < MAX )
150 newListCount = itemCount;
151 else
152 newListCount = MAX;
153
154 XtVaSetValues( GetXmList(this),
155 XmNvisibleItemCount, newListCount,
156 NULL );
157}
158
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159wxComboBox::~wxComboBox()
160{
161 DetachWidget((Widget) m_mainWidget); // Removes event handlers
162 XtDestroyWidget((Widget) m_mainWidget);
163 m_mainWidget = (WXWidget) 0;
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164}
165
55034339 166void wxComboBox::DoSetSize(int x, int y, int width, int WXUNUSED(height), int sizeFlags)
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167{
168 // Necessary so it doesn't call wxChoice::SetSize
169 wxWindow::DoSetSize(x, y, width, DoGetBestSize().y, sizeFlags);
170}
171
aa61d352 172void wxComboBox::SetString(unsigned int n, const wxString& s)
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173{
174 wxXmString text(s);
175 Widget listBox = GetXmList(this);
176
177 // delete the item and add it again.
178 // FIXME isn't there a way to change it in place?
179 XmListDeletePos (listBox, n+1);
180 XmListAddItem (listBox, text(), n+1);
181}
182
183void wxComboBox::SetValue(const wxString& value)
184{
185 m_inSetValue = true;
186
187 XtVaSetValues( GetXmText(this),
6991087b 188 XmNvalue, (const char*)value.mb_str(),
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189 NULL);
190
191 m_inSetValue = false;
192}
193
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194int wxComboBox::DoInsertItems(const wxArrayStringsAdapter & items,
195 unsigned int pos,
196 void **clientData, wxClientDataType type)
9b1bd0c6 197{
a236aa20 198 const unsigned int numItems = items.GetCount();
9b1bd0c6 199
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200 AllocClientData(numItems);
201 for ( unsigned int i = 0; i < numItems; ++i, ++pos )
202 {
203 wxXmString str( items[i].c_str() );
204 XmComboBoxAddItem((Widget) m_mainWidget, str(),
205 GetMotifPosition(pos), False);
206 m_noStrings ++;
207 InsertNewItemClientData(pos, clientData, i, type);
208 }
243dbf1a 209
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210 AdjustDropDownListSize();
211
a236aa20 212 return pos - 1;
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213}
214
a236aa20 215void wxComboBox::DoDeleteOneItem(unsigned int n)
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216{
217#ifdef LESSTIF_VERSION
218 XmListDeletePos (GetXmList(this), n + 1);
219#else
220 XmComboBoxDeletePos((Widget) m_mainWidget, n+1);
221#endif
222
a236aa20 223 wxControlWithItems::DoDeleteOneItem(n);
9b1bd0c6 224 m_noStrings--;
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225
226 AdjustDropDownListSize();
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227}
228
978c6e41 229void wxComboBox::Clear()
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230{
231#ifdef LESSTIF_VERSION
232 XmListDeleteAllItems (GetXmList(this));
233#else
234 while(m_noStrings > 0)
235 {
7d8268a1 236 XmComboBoxDeletePos((Widget) m_mainWidget, m_noStrings--);
9b1bd0c6 237 }
e1aae528 238#endif
9b1bd0c6 239
9b1bd0c6 240 m_noStrings = 0;
e1aae528 241 AdjustDropDownListSize();
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242
243 wxTextEntry::Clear();
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244}
245
246void wxComboBox::SetSelection (int n)
247{
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248 m_inSetSelection = true;
249
d40708e2 250#if wxCHECK_LESSTIF()
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251 XmListSelectPos (GetXmList(this), n + 1, false);
252 SetValue(GetString(n));
253#else
d40708e2 254#if 0
aa61d352 255 wxXmString str(GetString(n).c_str());
9b1bd0c6 256 XmComboBoxSelectItem((Widget) m_mainWidget, str());
d40708e2 257#endif
9b1bd0c6 258 XtVaSetValues( (Widget)m_mainWidget,
d40708e2 259 XmNselectedPosition, n,
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260 NULL );
261#endif
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262
263 m_inSetSelection = false;
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264}
265
978c6e41 266int wxComboBox::GetSelection() const
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267{
268 return wxDoGetSelectionInList( GetXmList( this ) );
269}
270
aa61d352 271wxString wxComboBox::GetString(unsigned int n) const
9b1bd0c6 272{
e1aae528 273 return wxDoGetStringInList( GetXmList(this), n );
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274}
275
55034339 276int wxComboBox::FindString(const wxString& s, bool WXUNUSED(bCase)) const
9b1bd0c6 277{
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278 // FIXME: back to base class for not supported value of bCase
279
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280 return wxDoFindStringInList( GetXmList( this ), s );
281}
282
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283void wxComboBoxCallback (Widget WXUNUSED(w), XtPointer clientData,
284 XmComboBoxCallbackStruct * cbs)
285{
286 wxComboBox *item = (wxComboBox *) clientData;
287
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288 if( item->m_inSetSelection ) return;
289
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290 switch (cbs->reason)
291 {
292 case XmCR_SELECT:
293#if 0
294 case XmCR_SINGLE_SELECT:
295 case XmCR_BROWSE_SELECT:
296#endif
297 {
298 wxCommandEvent event (wxEVT_COMMAND_COMBOBOX_SELECTED,
299 item->GetId());
d8d18184 300 int idx = cbs->item_position;
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301 event.SetInt(idx);
302 event.SetString( item->GetString (idx) );
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303 if ( item->HasClientObjectData() )
304 event.SetClientObject( item->GetClientObject(idx) );
305 else if ( item->HasClientUntypedData() )
306 event.SetClientData( item->GetClientData(idx) );
687706f5 307 event.SetExtraLong(true);
9b1bd0c6 308 event.SetEventObject(item);
937013e0 309 item->HandleWindowEvent(event);
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310 break;
311 }
312 case XmCR_VALUE_CHANGED:
313 {
314 wxCommandEvent event (wxEVT_COMMAND_TEXT_UPDATED, item->GetId());
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315 event.SetInt(-1);
316 event.SetString( item->GetValue() );
317 event.SetExtraLong(true);
9b1bd0c6 318 event.SetEventObject(item);
937013e0 319 item->HandleWindowEvent(event);
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320 break;
321 }
322 default:
323 break;
324 }
325}
326
327void wxComboBox::ChangeFont(bool keepOriginalSize)
328{
105fbe1f 329 if( m_font.Ok() && m_mainWidget != NULL )
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330 {
331 wxDoChangeFont( GetXmText(this), m_font );
332 wxDoChangeFont( GetXmList(this), m_font );
333 }
334
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335 // Don't use the base class wxChoice's ChangeFont
336 wxWindow::ChangeFont(keepOriginalSize);
337}
338
339void wxComboBox::ChangeBackgroundColour()
340{
341 wxWindow::ChangeBackgroundColour();
342}
343
344void wxComboBox::ChangeForegroundColour()
345{
346 wxWindow::ChangeForegroundColour();
347}
348
349wxSize wxComboBox::DoGetBestSize() const
350{
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351 if( (GetWindowStyle() & wxCB_DROPDOWN) == wxCB_DROPDOWN ||
352 (GetWindowStyle() & wxCB_READONLY) == wxCB_READONLY )
353 {
354 Dimension arrowW, arrowS, highlight, xmargin, ymargin, shadow;
355
356 XtVaGetValues( (Widget)m_mainWidget,
357 XmNarrowSize, &arrowW,
358 XmNarrowSpacing, &arrowS,
359 XmNhighlightThickness, &highlight,
360 XmNmarginWidth, &xmargin,
361 XmNmarginHeight, &ymargin,
362 XmNshadowThickness, &shadow,
363 NULL );
364
365 wxSize listSize = wxDoGetListBoxBestSize( GetXmList(this), this );
366 wxSize textSize = wxDoGetSingleTextCtrlBestSize( GetXmText(this),
367 this );
368
369 // FIXME arbitrary constants
370 return wxSize( listSize.x + arrowW + arrowS + 2 * highlight
371 + 2 * shadow + 2 * xmargin ,
372 textSize.y + 2 * highlight + 2 * ymargin + 2 * shadow );
373 }
374 else
375 return wxWindow::DoGetBestSize();
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376}
377
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378WXWidget wxComboBox::GetTextWidget() const
379{
380 return (WXWidget)GetXmText(this);
381}
382
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383#endif // XmVersion >= 2000
384
385#endif // wxUSE_COMBOBOX