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