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32b8ec41 VZ |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Program: wxWindows Widgets Sample | |
3 | // Name: combobox.cpp | |
4 | // Purpose: Part of the widgets sample showing wxComboBox | |
5 | // Author: Vadim Zeitlin | |
6 | // Created: 27.03.01 | |
7 | // Id: $Id$ | |
8 | // Copyright: (c) 2001 Vadim Zeitlin | |
9 | // License: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | // for compilers that support precompilation, includes "wx/wx.h". | |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
24 | #pragma hdrstop | |
25 | #endif | |
26 | ||
3379ed37 VZ |
27 | #if wxUSE_COMBOBOX |
28 | ||
32b8ec41 VZ |
29 | // for all others, include the necessary headers |
30 | #ifndef WX_PRECOMP | |
31 | #include "wx/log.h" | |
32 | ||
3bb70c40 | 33 | #include "wx/bitmap.h" |
32b8ec41 VZ |
34 | #include "wx/button.h" |
35 | #include "wx/checkbox.h" | |
36 | #include "wx/combobox.h" | |
37 | #include "wx/radiobox.h" | |
38 | #include "wx/statbox.h" | |
39 | #include "wx/textctrl.h" | |
40 | #endif | |
41 | ||
42 | #include "wx/sizer.h" | |
43 | ||
44 | #include "widgets.h" | |
7b127900 | 45 | #if 1 |
32b8ec41 VZ |
46 | #include "icons/combobox.xpm" |
47 | ||
48 | // ---------------------------------------------------------------------------- | |
49 | // constants | |
50 | // ---------------------------------------------------------------------------- | |
51 | ||
52 | // control ids | |
53 | enum | |
54 | { | |
55 | ComboPage_Reset = 100, | |
56 | ComboPage_CurText, | |
57 | ComboPage_Add, | |
58 | ComboPage_AddText, | |
59 | ComboPage_AddSeveral, | |
60 | ComboPage_AddMany, | |
61 | ComboPage_Clear, | |
62 | ComboPage_Change, | |
63 | ComboPage_ChangeText, | |
64 | ComboPage_Delete, | |
65 | ComboPage_DeleteText, | |
66 | ComboPage_DeleteSel, | |
67 | ComboPage_Combo | |
68 | }; | |
69 | ||
70 | // kinds of comboboxes | |
71 | enum | |
72 | { | |
73 | ComboKind_Default, | |
74 | ComboKind_Simple, | |
75 | ComboKind_DropDown | |
76 | }; | |
77 | ||
78 | // ---------------------------------------------------------------------------- | |
79 | // ComboboxWidgetsPage | |
80 | // ---------------------------------------------------------------------------- | |
81 | ||
82 | class ComboboxWidgetsPage : public WidgetsPage | |
83 | { | |
84 | public: | |
85 | ComboboxWidgetsPage(wxNotebook *notebook, wxImageList *imaglist); | |
86 | ||
87 | protected: | |
88 | // event handlers | |
89 | void OnButtonReset(wxCommandEvent& event); | |
90 | void OnButtonChange(wxCommandEvent& event); | |
91 | void OnButtonDelete(wxCommandEvent& event); | |
92 | void OnButtonDeleteSel(wxCommandEvent& event); | |
93 | void OnButtonClear(wxCommandEvent& event); | |
94 | void OnButtonAdd(wxCommandEvent& event); | |
95 | void OnButtonAddSeveral(wxCommandEvent& event); | |
96 | void OnButtonAddMany(wxCommandEvent& event); | |
97 | ||
98 | void OnComboBox(wxCommandEvent& event); | |
99 | void OnComboText(wxCommandEvent& event); | |
100 | ||
101 | void OnCheckOrRadioBox(wxCommandEvent& event); | |
102 | ||
103 | void OnUpdateUICurText(wxUpdateUIEvent& event); | |
104 | ||
105 | void OnUpdateUIAddSeveral(wxUpdateUIEvent& event); | |
106 | void OnUpdateUIClearButton(wxUpdateUIEvent& event); | |
107 | void OnUpdateUIDeleteButton(wxUpdateUIEvent& event); | |
108 | void OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event); | |
109 | void OnUpdateUIResetButton(wxUpdateUIEvent& event); | |
110 | ||
111 | // reset the combobox parameters | |
112 | void Reset(); | |
113 | ||
114 | // (re)create the combobox | |
115 | void CreateCombo(); | |
116 | ||
117 | // the controls | |
118 | // ------------ | |
119 | ||
120 | // the sel mode radiobox | |
121 | wxRadioBox *m_radioKind; | |
122 | ||
123 | // the checkboxes for styles | |
124 | wxCheckBox *m_chkSort, | |
125 | *m_chkReadonly; | |
126 | ||
127 | // the combobox itself and the sizer it is in | |
128 | wxComboBox *m_combobox; | |
129 | wxSizer *m_sizerCombo; | |
130 | ||
131 | // the text entries for "Add/change string" and "Delete" buttons | |
132 | wxTextCtrl *m_textAdd, | |
133 | *m_textChange, | |
134 | *m_textDelete; | |
135 | ||
136 | private: | |
5e173f35 GD |
137 | DECLARE_EVENT_TABLE() |
138 | DECLARE_WIDGETS_PAGE(ComboboxWidgetsPage) | |
32b8ec41 VZ |
139 | }; |
140 | ||
141 | // ---------------------------------------------------------------------------- | |
142 | // event tables | |
143 | // ---------------------------------------------------------------------------- | |
144 | ||
145 | BEGIN_EVENT_TABLE(ComboboxWidgetsPage, WidgetsPage) | |
146 | EVT_BUTTON(ComboPage_Reset, ComboboxWidgetsPage::OnButtonReset) | |
147 | EVT_BUTTON(ComboPage_Change, ComboboxWidgetsPage::OnButtonChange) | |
148 | EVT_BUTTON(ComboPage_Delete, ComboboxWidgetsPage::OnButtonDelete) | |
149 | EVT_BUTTON(ComboPage_DeleteSel, ComboboxWidgetsPage::OnButtonDeleteSel) | |
150 | EVT_BUTTON(ComboPage_Clear, ComboboxWidgetsPage::OnButtonClear) | |
151 | EVT_BUTTON(ComboPage_Add, ComboboxWidgetsPage::OnButtonAdd) | |
152 | EVT_BUTTON(ComboPage_AddSeveral, ComboboxWidgetsPage::OnButtonAddSeveral) | |
153 | EVT_BUTTON(ComboPage_AddMany, ComboboxWidgetsPage::OnButtonAddMany) | |
154 | ||
155 | EVT_TEXT_ENTER(ComboPage_AddText, ComboboxWidgetsPage::OnButtonAdd) | |
156 | EVT_TEXT_ENTER(ComboPage_DeleteText, ComboboxWidgetsPage::OnButtonDelete) | |
157 | ||
158 | EVT_UPDATE_UI(ComboPage_CurText, ComboboxWidgetsPage::OnUpdateUICurText) | |
159 | ||
160 | EVT_UPDATE_UI(ComboPage_Reset, ComboboxWidgetsPage::OnUpdateUIResetButton) | |
161 | EVT_UPDATE_UI(ComboPage_AddSeveral, ComboboxWidgetsPage::OnUpdateUIAddSeveral) | |
162 | EVT_UPDATE_UI(ComboPage_Clear, ComboboxWidgetsPage::OnUpdateUIClearButton) | |
163 | EVT_UPDATE_UI(ComboPage_DeleteText, ComboboxWidgetsPage::OnUpdateUIClearButton) | |
164 | EVT_UPDATE_UI(ComboPage_Delete, ComboboxWidgetsPage::OnUpdateUIDeleteButton) | |
165 | EVT_UPDATE_UI(ComboPage_Change, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton) | |
166 | EVT_UPDATE_UI(ComboPage_ChangeText, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton) | |
167 | EVT_UPDATE_UI(ComboPage_DeleteSel, ComboboxWidgetsPage::OnUpdateUIDeleteSelButton) | |
168 | ||
169 | EVT_COMBOBOX(ComboPage_Combo, ComboboxWidgetsPage::OnComboBox) | |
170 | EVT_TEXT(ComboPage_Combo, ComboboxWidgetsPage::OnComboText) | |
171 | ||
172 | EVT_CHECKBOX(-1, ComboboxWidgetsPage::OnCheckOrRadioBox) | |
173 | EVT_RADIOBOX(-1, ComboboxWidgetsPage::OnCheckOrRadioBox) | |
174 | END_EVENT_TABLE() | |
175 | ||
176 | // ============================================================================ | |
177 | // implementation | |
178 | // ============================================================================ | |
179 | ||
180 | IMPLEMENT_WIDGETS_PAGE(ComboboxWidgetsPage, _T("Combobox")); | |
181 | ||
182 | ComboboxWidgetsPage::ComboboxWidgetsPage(wxNotebook *notebook, | |
183 | wxImageList *imaglist) | |
184 | : WidgetsPage(notebook) | |
185 | { | |
32b8ec41 VZ |
186 | // init everything |
187 | m_chkSort = | |
188 | m_chkReadonly = (wxCheckBox *)NULL; | |
189 | ||
190 | m_combobox = (wxComboBox *)NULL; | |
191 | m_sizerCombo = (wxSizer *)NULL; | |
192 | ||
e640f823 JS |
193 | imaglist->Add(wxBitmap(combobox_xpm)); |
194 | ||
32b8ec41 VZ |
195 | /* |
196 | What we create here is a frame having 3 panes: style pane is the | |
197 | leftmost one, in the middle the pane with buttons allowing to perform | |
198 | miscellaneous combobox operations and the pane containing the combobox | |
199 | itself to the right | |
200 | */ | |
201 | wxSizer *sizerTop = new wxBoxSizer(wxHORIZONTAL); | |
202 | ||
203 | // left pane | |
204 | wxStaticBox *box = new wxStaticBox(this, -1, _T("&Set style")); | |
205 | ||
206 | // should be in sync with ComboKind_XXX values | |
207 | static const wxString kinds[] = | |
208 | { | |
209 | _T("default"), | |
210 | _T("simple"), | |
211 | _T("drop down"), | |
212 | }; | |
213 | ||
214 | m_radioKind = new wxRadioBox(this, -1, _T("Combobox &kind:"), | |
215 | wxDefaultPosition, wxDefaultSize, | |
216 | WXSIZEOF(kinds), kinds, | |
217 | 1, wxRA_SPECIFY_COLS); | |
218 | ||
219 | wxSizer *sizerLeft = new wxStaticBoxSizer(box, wxVERTICAL); | |
220 | ||
221 | m_chkSort = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Sort items")); | |
222 | m_chkReadonly = CreateCheckBoxAndAddToSizer(sizerLeft, _T("&Read only")); | |
223 | ||
224 | sizerLeft->Add(5, 5, 0, wxGROW | wxALL, 5); // spacer | |
225 | sizerLeft->Add(m_radioKind, 0, wxGROW | wxALL, 5); | |
226 | ||
227 | wxButton *btn = new wxButton(this, ComboPage_Reset, _T("&Reset")); | |
228 | sizerLeft->Add(btn, 0, wxALIGN_CENTRE_HORIZONTAL | wxALL, 15); | |
229 | ||
230 | // middle pane | |
231 | wxStaticBox *box2 = new wxStaticBox(this, -1, _T("&Change combobox contents")); | |
232 | wxSizer *sizerMiddle = new wxStaticBoxSizer(box2, wxVERTICAL); | |
233 | ||
234 | wxSizer *sizerRow; | |
235 | ||
236 | wxTextCtrl *text; | |
237 | sizerRow = CreateSizerWithTextAndLabel(_T("Current selection"), | |
238 | ComboPage_CurText, | |
239 | &text); | |
240 | text->SetEditable(FALSE); | |
241 | ||
242 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); | |
243 | ||
244 | sizerRow = CreateSizerWithTextAndButton(ComboPage_Add, | |
245 | _T("&Add this string"), | |
246 | ComboPage_AddText, | |
247 | &m_textAdd); | |
248 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); | |
249 | ||
250 | btn = new wxButton(this, ComboPage_AddSeveral, _T("&Insert a few strings")); | |
251 | sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5); | |
252 | ||
253 | btn = new wxButton(this, ComboPage_AddMany, _T("Add &many strings")); | |
254 | sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5); | |
255 | ||
256 | sizerRow = CreateSizerWithTextAndButton(ComboPage_Change, | |
257 | _T("C&hange current"), | |
258 | ComboPage_ChangeText, | |
259 | &m_textChange); | |
260 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); | |
261 | ||
262 | sizerRow = CreateSizerWithTextAndButton(ComboPage_Delete, | |
263 | _T("&Delete this item"), | |
264 | ComboPage_DeleteText, | |
265 | &m_textDelete); | |
266 | sizerMiddle->Add(sizerRow, 0, wxALL | wxGROW, 5); | |
267 | ||
268 | btn = new wxButton(this, ComboPage_DeleteSel, _T("Delete &selection")); | |
269 | sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5); | |
270 | ||
271 | btn = new wxButton(this, ComboPage_Clear, _T("&Clear")); | |
272 | sizerMiddle->Add(btn, 0, wxALL | wxGROW, 5); | |
273 | ||
274 | // right pane | |
275 | wxSizer *sizerRight = new wxBoxSizer(wxVERTICAL); | |
276 | m_combobox = new wxComboBox(this, ComboPage_Combo, _T(""), | |
277 | wxDefaultPosition, wxDefaultSize, | |
278 | 0, NULL, | |
279 | 0); | |
280 | sizerRight->Add(m_combobox, 1, wxGROW | wxALL, 5); | |
7b127900 | 281 | sizerRight->SetMinSize(150, 0); |
32b8ec41 VZ |
282 | m_sizerCombo = sizerRight; // save it to modify it later |
283 | ||
284 | // the 3 panes panes compose the window | |
285 | sizerTop->Add(sizerLeft, 0, wxGROW | (wxALL & ~wxLEFT), 10); | |
286 | sizerTop->Add(sizerMiddle, 1, wxGROW | wxALL, 10); | |
287 | sizerTop->Add(sizerRight, 1, wxGROW | (wxALL & ~wxRIGHT), 10); | |
288 | ||
289 | // final initializations | |
290 | Reset(); | |
291 | ||
292 | SetAutoLayout(TRUE); | |
293 | SetSizer(sizerTop); | |
294 | ||
295 | sizerTop->Fit(this); | |
296 | } | |
297 | ||
298 | // ---------------------------------------------------------------------------- | |
299 | // operations | |
300 | // ---------------------------------------------------------------------------- | |
301 | ||
302 | void ComboboxWidgetsPage::Reset() | |
303 | { | |
304 | m_chkSort->SetValue(FALSE); | |
305 | m_chkReadonly->SetValue(FALSE); | |
306 | } | |
307 | ||
308 | void ComboboxWidgetsPage::CreateCombo() | |
309 | { | |
310 | int flags = 0; | |
311 | ||
312 | if ( m_chkSort->GetValue() ) | |
313 | flags |= wxCB_SORT; | |
314 | if ( m_chkReadonly->GetValue() ) | |
315 | flags |= wxCB_READONLY; | |
316 | ||
317 | switch ( m_radioKind->GetSelection() ) | |
318 | { | |
319 | default: | |
320 | wxFAIL_MSG( _T("unknown combo kind") ); | |
321 | // fall through | |
322 | ||
323 | case ComboKind_Default: | |
324 | break; | |
325 | ||
326 | case ComboKind_Simple: | |
327 | flags |= wxCB_SIMPLE; | |
328 | break; | |
329 | ||
330 | case ComboKind_DropDown: | |
331 | flags = wxCB_DROPDOWN; | |
332 | break; | |
333 | } | |
334 | ||
335 | wxArrayString items; | |
336 | if ( m_combobox ) | |
337 | { | |
338 | int count = m_combobox->GetCount(); | |
339 | for ( int n = 0; n < count; n++ ) | |
340 | { | |
341 | items.Add(m_combobox->GetString(n)); | |
342 | } | |
343 | ||
12a3f227 | 344 | m_sizerCombo->Detach( m_combobox ); |
32b8ec41 VZ |
345 | delete m_combobox; |
346 | } | |
347 | ||
348 | m_combobox = new wxComboBox(this, ComboPage_Combo, _T(""), | |
349 | wxDefaultPosition, wxDefaultSize, | |
350 | 0, NULL, | |
351 | flags); | |
352 | ||
353 | size_t count = items.GetCount(); | |
354 | for ( size_t n = 0; n < count; n++ ) | |
355 | { | |
356 | m_combobox->Append(items[n]); | |
357 | } | |
358 | ||
359 | m_sizerCombo->Add(m_combobox, 1, wxGROW | wxALL, 5); | |
360 | m_sizerCombo->Layout(); | |
361 | } | |
362 | ||
363 | // ---------------------------------------------------------------------------- | |
364 | // event handlers | |
365 | // ---------------------------------------------------------------------------- | |
366 | ||
367 | void ComboboxWidgetsPage::OnButtonReset(wxCommandEvent& WXUNUSED(event)) | |
368 | { | |
369 | Reset(); | |
370 | ||
371 | CreateCombo(); | |
372 | } | |
373 | ||
374 | void ComboboxWidgetsPage::OnButtonChange(wxCommandEvent& WXUNUSED(event)) | |
375 | { | |
376 | int sel = m_combobox->GetSelection(); | |
377 | if ( sel != -1 ) | |
378 | { | |
379 | #ifndef __WXGTK__ | |
380 | m_combobox->SetString(sel, m_textChange->GetValue()); | |
381 | #else | |
382 | wxLogMessage(_T("Not implemented in wxGTK")); | |
383 | #endif | |
384 | } | |
385 | } | |
386 | ||
387 | void ComboboxWidgetsPage::OnButtonDelete(wxCommandEvent& WXUNUSED(event)) | |
388 | { | |
389 | unsigned long n; | |
390 | if ( !m_textDelete->GetValue().ToULong(&n) || | |
391 | (n >= (unsigned)m_combobox->GetCount()) ) | |
392 | { | |
393 | return; | |
394 | } | |
395 | ||
396 | m_combobox->Delete(n); | |
397 | } | |
398 | ||
399 | void ComboboxWidgetsPage::OnButtonDeleteSel(wxCommandEvent& WXUNUSED(event)) | |
400 | { | |
401 | int sel = m_combobox->GetSelection(); | |
402 | if ( sel != -1 ) | |
403 | { | |
404 | m_combobox->Delete(sel); | |
405 | } | |
406 | } | |
407 | ||
408 | void ComboboxWidgetsPage::OnButtonClear(wxCommandEvent& event) | |
409 | { | |
410 | m_combobox->Clear(); | |
411 | } | |
412 | ||
413 | void ComboboxWidgetsPage::OnButtonAdd(wxCommandEvent& event) | |
414 | { | |
0c61716c | 415 | static unsigned int s_item = 0; |
32b8ec41 VZ |
416 | |
417 | wxString s = m_textAdd->GetValue(); | |
418 | if ( !m_textAdd->IsModified() ) | |
419 | { | |
420 | // update the default string | |
421 | m_textAdd->SetValue(wxString::Format(_T("test item %u"), ++s_item)); | |
422 | } | |
423 | ||
424 | m_combobox->Append(s); | |
425 | } | |
426 | ||
427 | void ComboboxWidgetsPage::OnButtonAddMany(wxCommandEvent& WXUNUSED(event)) | |
428 | { | |
429 | // "many" means 1000 here | |
0c61716c | 430 | for ( unsigned int n = 0; n < 1000; n++ ) |
32b8ec41 VZ |
431 | { |
432 | m_combobox->Append(wxString::Format(_T("item #%u"), n)); | |
433 | } | |
434 | } | |
435 | ||
436 | void ComboboxWidgetsPage::OnButtonAddSeveral(wxCommandEvent& event) | |
437 | { | |
438 | m_combobox->Append(_T("First")); | |
439 | m_combobox->Append(_T("another one")); | |
440 | m_combobox->Append(_T("and the last (very very very very very very very very very very long) one")); | |
441 | } | |
442 | ||
443 | void ComboboxWidgetsPage::OnUpdateUICurText(wxUpdateUIEvent& event) | |
444 | { | |
e640f823 JS |
445 | if (m_combobox) |
446 | event.SetText( wxString::Format(_T("%d"), m_combobox->GetSelection()) ); | |
32b8ec41 VZ |
447 | } |
448 | ||
449 | void ComboboxWidgetsPage::OnUpdateUIResetButton(wxUpdateUIEvent& event) | |
450 | { | |
e640f823 JS |
451 | if (m_combobox) |
452 | event.Enable( m_chkSort->GetValue() || m_chkReadonly->GetValue() ); | |
32b8ec41 VZ |
453 | } |
454 | ||
455 | void ComboboxWidgetsPage::OnUpdateUIDeleteButton(wxUpdateUIEvent& event) | |
456 | { | |
e640f823 JS |
457 | if (m_combobox) |
458 | { | |
459 | unsigned long n; | |
460 | event.Enable(m_textDelete->GetValue().ToULong(&n) && | |
2f6c54eb | 461 | (n < (unsigned)m_combobox->GetCount())); |
e640f823 | 462 | } |
32b8ec41 VZ |
463 | } |
464 | ||
465 | void ComboboxWidgetsPage::OnUpdateUIDeleteSelButton(wxUpdateUIEvent& event) | |
466 | { | |
e640f823 JS |
467 | if (m_combobox) |
468 | event.Enable(m_combobox->GetSelection() != -1); | |
32b8ec41 VZ |
469 | } |
470 | ||
471 | void ComboboxWidgetsPage::OnUpdateUIClearButton(wxUpdateUIEvent& event) | |
472 | { | |
e640f823 JS |
473 | if (m_combobox) |
474 | event.Enable(m_combobox->GetCount() != 0); | |
32b8ec41 VZ |
475 | } |
476 | ||
477 | void ComboboxWidgetsPage::OnUpdateUIAddSeveral(wxUpdateUIEvent& event) | |
478 | { | |
e640f823 JS |
479 | if (m_combobox) |
480 | event.Enable(!(m_combobox->GetWindowStyle() & wxCB_SORT)); | |
32b8ec41 VZ |
481 | } |
482 | ||
483 | void ComboboxWidgetsPage::OnComboText(wxCommandEvent& event) | |
484 | { | |
e640f823 | 485 | if (!m_combobox) |
2f6c54eb VZ |
486 | return; |
487 | ||
32b8ec41 VZ |
488 | wxString s = event.GetString(); |
489 | ||
490 | wxASSERT_MSG( s == m_combobox->GetValue(), | |
491 | _T("event and combobox values should be the same") ); | |
492 | ||
493 | wxLogMessage(_T("Combobox text changed (now '%s')"), s.c_str()); | |
494 | } | |
495 | ||
496 | void ComboboxWidgetsPage::OnComboBox(wxCommandEvent& event) | |
497 | { | |
aec18ff7 | 498 | long sel = event.GetInt(); |
32b8ec41 VZ |
499 | m_textDelete->SetValue(wxString::Format(_T("%ld"), sel)); |
500 | ||
aec18ff7 | 501 | wxLogMessage(_T("Combobox item %ld selected"), sel); |
32b8ec41 VZ |
502 | } |
503 | ||
504 | void ComboboxWidgetsPage::OnCheckOrRadioBox(wxCommandEvent& event) | |
505 | { | |
506 | CreateCombo(); | |
507 | } | |
508 | ||
3379ed37 VZ |
509 | #endif //wxUSE_COMBOBOX |
510 | ||
7b127900 | 511 | #endif |