Commit | Line | Data |
---|---|---|
c801d85f | 1 | ///////////////////////////////////////////////////////////////////////////// |
3cbab641 | 2 | // Name: src/gtk1/choice.cpp |
c801d85f KB |
3 | // Purpose: |
4 | // Author: Robert Roebling | |
dbf858b5 | 5 | // Id: $Id$ |
01111366 | 6 | // Copyright: (c) 1998 Robert Roebling |
65571936 | 7 | // Licence: wxWindows licence |
c801d85f KB |
8 | ///////////////////////////////////////////////////////////////////////////// |
9 | ||
8228b893 | 10 | #include "wx/wxprec.h" |
c801d85f | 11 | |
ce4169a4 RR |
12 | #if wxUSE_CHOICE |
13 | ||
1e6feb95 | 14 | #include "wx/choice.h" |
aaa6d89a WS |
15 | |
16 | #ifndef WX_PRECOMP | |
17 | #include "wx/arrstr.h" | |
18 | #endif | |
1e6feb95 | 19 | |
3cbab641 | 20 | #include "wx/gtk1/private.h" |
83624f79 | 21 | |
acfd422a RR |
22 | //----------------------------------------------------------------------------- |
23 | // idle system | |
24 | //----------------------------------------------------------------------------- | |
25 | ||
26 | extern void wxapp_install_idle_handler(); | |
27 | extern bool g_isIdle; | |
28 | ||
66bd6b93 RR |
29 | //----------------------------------------------------------------------------- |
30 | // data | |
31 | //----------------------------------------------------------------------------- | |
32 | ||
33 | extern bool g_blockEventsOnDrag; | |
34 | ||
c801d85f | 35 | //----------------------------------------------------------------------------- |
e1e955e1 | 36 | // "activate" |
c801d85f KB |
37 | //----------------------------------------------------------------------------- |
38 | ||
865bb325 | 39 | extern "C" { |
66bd6b93 | 40 | static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice ) |
c801d85f | 41 | { |
e01c8145 | 42 | if (g_isIdle) |
4dcaf11a | 43 | wxapp_install_idle_handler(); |
acfd422a | 44 | |
a2053b27 | 45 | if (!choice->m_hasVMT) return; |
29006414 | 46 | |
acfd422a | 47 | if (g_blockEventsOnDrag) return; |
29006414 | 48 | |
5f3565a2 RR |
49 | int selection = wxNOT_FOUND; |
50 | ||
5f3565a2 RR |
51 | GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(choice->GetHandle()) ) ); |
52 | int count = 0; | |
53 | ||
54 | GList *child = menu_shell->children; | |
55 | while (child) | |
56 | { | |
57 | GtkBin *bin = GTK_BIN( child->data ); | |
58 | if (!bin->child) | |
59 | { | |
914ca1d8 | 60 | selection = count; |
5f3565a2 RR |
61 | break; |
62 | } | |
63 | child = child->next; | |
64 | count++; | |
65 | } | |
3cbab641 | 66 | |
5f3565a2 RR |
67 | choice->m_selection_hack = selection; |
68 | ||
acfd422a | 69 | wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() ); |
6c8a980f VZ |
70 | int n = choice->GetSelection(); |
71 | ||
72 | event.SetInt( n ); | |
acfd422a RR |
73 | event.SetString( choice->GetStringSelection() ); |
74 | event.SetEventObject(choice); | |
6c8a980f VZ |
75 | |
76 | if ( choice->HasClientObjectData() ) | |
77 | event.SetClientObject( choice->GetClientObject(n) ); | |
78 | else if ( choice->HasClientUntypedData() ) | |
79 | event.SetClientData( choice->GetClientData(n) ); | |
80 | ||
937013e0 | 81 | choice->HandleWindowEvent(event); |
6de97a3b | 82 | } |
865bb325 | 83 | } |
c801d85f | 84 | |
e1e955e1 RR |
85 | //----------------------------------------------------------------------------- |
86 | // wxChoice | |
c801d85f KB |
87 | //----------------------------------------------------------------------------- |
88 | ||
fd0eed64 | 89 | wxChoice::wxChoice() |
c801d85f | 90 | { |
d3b9f782 | 91 | m_strings = NULL; |
6de97a3b | 92 | } |
c801d85f | 93 | |
584ad2a3 MB |
94 | bool wxChoice::Create( wxWindow *parent, wxWindowID id, |
95 | const wxPoint &pos, const wxSize &size, | |
96 | const wxArrayString& choices, | |
97 | long style, const wxValidator& validator, | |
98 | const wxString &name ) | |
99 | { | |
100 | wxCArrayString chs(choices); | |
101 | ||
102 | return Create( parent, id, pos, size, chs.GetCount(), chs.GetStrings(), | |
103 | style, validator, name ); | |
104 | } | |
105 | ||
debe6624 | 106 | bool wxChoice::Create( wxWindow *parent, wxWindowID id, |
fd0eed64 RR |
107 | const wxPoint &pos, const wxSize &size, |
108 | int n, const wxString choices[], | |
109 | long style, const wxValidator& validator, const wxString &name ) | |
c801d85f | 110 | { |
0a164d4c | 111 | m_needParent = true; |
034be888 | 112 | #if (GTK_MINOR_VERSION > 0) |
0a164d4c | 113 | m_acceptsFocus = true; |
034be888 | 114 | #endif |
29006414 | 115 | |
4dcaf11a RR |
116 | if (!PreCreation( parent, pos, size ) || |
117 | !CreateBase( parent, id, pos, size, style, validator, name )) | |
118 | { | |
223d09f6 | 119 | wxFAIL_MSG( wxT("wxChoice creation failed") ); |
0a164d4c | 120 | return false; |
4dcaf11a | 121 | } |
6de97a3b | 122 | |
fd0eed64 | 123 | m_widget = gtk_option_menu_new(); |
29006414 | 124 | |
e01c8145 VZ |
125 | if ( style & wxCB_SORT ) |
126 | { | |
a236aa20 | 127 | // if our m_strings != NULL, Append() will check for it and insert |
e01c8145 VZ |
128 | // items in the correct order |
129 | m_strings = new wxSortedArrayString; | |
130 | } | |
131 | ||
16edee16 RR |
132 | // begin with no selection |
133 | m_selection_hack = wxNOT_FOUND; | |
134 | ||
fd0eed64 | 135 | GtkWidget *menu = gtk_menu_new(); |
29006414 | 136 | |
3b69b47c | 137 | for (unsigned int i = 0; i < (unsigned int)n; i++) |
fd0eed64 | 138 | { |
243dbf1a | 139 | GtkAddHelper(menu, i, choices[i]); |
fd0eed64 | 140 | } |
e01c8145 | 141 | |
fd0eed64 | 142 | gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu ); |
29006414 | 143 | |
f03fc89f | 144 | m_parent->DoAddChild( this ); |
29006414 | 145 | |
abdeb9e7 | 146 | PostCreation(size); |
170acdc9 | 147 | SetInitialSize(size); // need this too because this is a wxControlWithItems |
29006414 | 148 | |
0a164d4c | 149 | return true; |
6de97a3b | 150 | } |
29006414 | 151 | |
fd0eed64 RR |
152 | wxChoice::~wxChoice() |
153 | { | |
f5e27805 | 154 | Clear(); |
e01c8145 VZ |
155 | |
156 | delete m_strings; | |
fd0eed64 RR |
157 | } |
158 | ||
a236aa20 VZ |
159 | int wxChoice::DoInsertItems(const wxArrayStringsAdapter & items, |
160 | unsigned int pos, | |
161 | void **clientData, wxClientDataType type) | |
fd0eed64 | 162 | { |
2ee3ee1b | 163 | wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") ); |
29006414 | 164 | |
a236aa20 | 165 | const unsigned int count = items.GetCount(); |
243dbf1a | 166 | |
a236aa20 | 167 | GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ); |
243dbf1a | 168 | |
a236aa20 VZ |
169 | for ( unsigned int i = 0; i < count; ++i, ++pos ) |
170 | { | |
171 | int n = GtkAddHelper(menu, pos, items[i]); | |
172 | if ( n == wxNOT_FOUND ) | |
173 | return n; | |
243dbf1a | 174 | |
a236aa20 VZ |
175 | AssignNewItemClientData(n, clientData, i, type); |
176 | } | |
243dbf1a | 177 | |
16edee16 | 178 | // if the item to insert is at or before the selection, and the selection is valid |
aa61d352 | 179 | if (((int)pos <= m_selection_hack) && (m_selection_hack != wxNOT_FOUND)) |
16edee16 | 180 | { |
a236aa20 VZ |
181 | // move the selection forward |
182 | m_selection_hack += count; | |
16edee16 RR |
183 | } |
184 | ||
a236aa20 | 185 | return pos - 1; |
fd0eed64 | 186 | } |
f96aa4d9 | 187 | |
aa61d352 | 188 | void wxChoice::DoSetItemClientData(unsigned int n, void* clientData) |
fd0eed64 | 189 | { |
2ee3ee1b | 190 | wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") ); |
29006414 | 191 | |
222ed1d6 | 192 | wxList::compatibility_iterator node = m_clientList.Item( n ); |
6c8a980f | 193 | wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") ); |
29006414 | 194 | |
f5e27805 | 195 | node->SetData( (wxObject*) clientData ); |
fd0eed64 RR |
196 | } |
197 | ||
aa61d352 | 198 | void* wxChoice::DoGetItemClientData(unsigned int n) const |
fd0eed64 | 199 | { |
2ee3ee1b | 200 | wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") ); |
29006414 | 201 | |
222ed1d6 | 202 | wxList::compatibility_iterator node = m_clientList.Item( n ); |
6c8a980f | 203 | wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") ); |
29006414 | 204 | |
b1d4dd7a | 205 | return node->GetData(); |
6de97a3b | 206 | } |
fd0eed64 | 207 | |
a236aa20 | 208 | void wxChoice::DoClear() |
c801d85f | 209 | { |
223d09f6 | 210 | wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); |
f96aa4d9 | 211 | |
fd0eed64 RR |
212 | gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) ); |
213 | GtkWidget *menu = gtk_menu_new(); | |
214 | gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu ); | |
29006414 | 215 | |
d6538e2c | 216 | m_clientList.Clear(); |
2ee3ee1b VZ |
217 | |
218 | if ( m_strings ) | |
219 | m_strings->Clear(); | |
16edee16 RR |
220 | |
221 | // begin with no selection | |
222 | m_selection_hack = wxNOT_FOUND; | |
6de97a3b | 223 | } |
c801d85f | 224 | |
a236aa20 | 225 | void wxChoice::DoDeleteOneItem(unsigned int n) |
2f6407b9 | 226 | { |
645420d8 VZ |
227 | wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); |
228 | ||
9a83f860 | 229 | wxCHECK_RET( IsValid(n), wxT("invalid index in wxChoice::Delete") ); |
645420d8 | 230 | |
16edee16 | 231 | // if the item to delete is before the selection, and the selection is valid |
aa61d352 | 232 | if (((int)n < m_selection_hack) && (m_selection_hack != wxNOT_FOUND)) |
16edee16 RR |
233 | { |
234 | // move the selection back one | |
235 | m_selection_hack--; | |
236 | } | |
aa61d352 | 237 | else if ((int)n == m_selection_hack) |
16edee16 RR |
238 | { |
239 | // invalidate the selection | |
240 | m_selection_hack = wxNOT_FOUND; | |
241 | } | |
242 | ||
a236aa20 VZ |
243 | // VZ: apparently GTK+ doesn't have a built-in function to do it (not even |
244 | // in 2.0), hence this dumb implementation -- still better than nothing | |
245 | const unsigned int count = GetCount(); | |
e2380ce1 VZ |
246 | |
247 | wxList::compatibility_iterator node = m_clientList.GetFirst(); | |
248 | ||
645420d8 | 249 | wxArrayString items; |
e2380ce1 | 250 | wxArrayPtrVoid itemsData; |
645420d8 | 251 | items.Alloc(count); |
a236aa20 | 252 | for ( unsigned i = 0; i < count; i++, node = node->GetNext() ) |
645420d8 VZ |
253 | { |
254 | if ( i != n ) | |
e2380ce1 | 255 | { |
645420d8 | 256 | items.Add(GetString(i)); |
a236aa20 | 257 | itemsData.Add(node->GetData()); |
e2380ce1 VZ |
258 | } |
259 | } | |
260 | ||
a236aa20 | 261 | wxChoice::DoClear(); |
645420d8 | 262 | |
a236aa20 VZ |
263 | void ** const data = &itemsData[0]; |
264 | if ( HasClientObjectData() ) | |
5c33522f | 265 | Append(items, reinterpret_cast<wxClientData **>(data)); |
a236aa20 VZ |
266 | else |
267 | Append(items, data); | |
2f6407b9 RR |
268 | } |
269 | ||
11e62fe6 | 270 | int wxChoice::FindString( const wxString &string, bool bCase ) const |
c801d85f | 271 | { |
11e62fe6 | 272 | wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid choice") ); |
fd0eed64 RR |
273 | |
274 | // If you read this code once and you think you understand | |
275 | // it, then you are very wrong. Robert Roebling. | |
29006414 | 276 | |
fd0eed64 RR |
277 | GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); |
278 | int count = 0; | |
279 | GList *child = menu_shell->children; | |
280 | while (child) | |
281 | { | |
282 | GtkBin *bin = GTK_BIN( child->data ); | |
d3b9f782 | 283 | GtkLabel *label = NULL; |
9e691f46 VZ |
284 | if (bin->child) |
285 | label = GTK_LABEL(bin->child); | |
286 | if (!label) | |
287 | label = GTK_LABEL( BUTTON_CHILD(m_widget) ); | |
29006414 | 288 | |
223d09f6 | 289 | wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); |
e2380ce1 | 290 | |
2e1d7104 | 291 | wxString tmp( label->label ); |
3cbab641 MR |
292 | |
293 | if (string.IsSameAs( tmp, bCase )) | |
9e691f46 | 294 | return count; |
29006414 | 295 | |
9e691f46 VZ |
296 | child = child->next; |
297 | count++; | |
fd0eed64 | 298 | } |
29006414 | 299 | |
0a164d4c | 300 | return wxNOT_FOUND; |
6de97a3b | 301 | } |
c801d85f | 302 | |
9abe166a | 303 | int wxChoice::GetSelection() const |
c801d85f | 304 | { |
11e62fe6 | 305 | wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid choice") ); |
e2380ce1 | 306 | |
16edee16 RR |
307 | return m_selection_hack; |
308 | ||
6de97a3b | 309 | } |
c801d85f | 310 | |
aa61d352 | 311 | void wxChoice::SetString(unsigned int n, const wxString& str ) |
6c8a980f VZ |
312 | { |
313 | wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); | |
314 | ||
34b5e560 | 315 | GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); |
aa61d352 | 316 | unsigned int count = 0; |
34b5e560 RR |
317 | GList *child = menu_shell->children; |
318 | while (child) | |
319 | { | |
320 | GtkBin *bin = GTK_BIN( child->data ); | |
321 | if (count == n) | |
322 | { | |
d3b9f782 | 323 | GtkLabel *label = NULL; |
34b5e560 RR |
324 | if (bin->child) |
325 | label = GTK_LABEL(bin->child); | |
326 | if (!label) | |
327 | label = GTK_LABEL( BUTTON_CHILD(m_widget) ); | |
328 | ||
329 | wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); | |
330 | ||
0a164d4c WS |
331 | gtk_label_set_text( label, wxGTK_CONV( str ) ); |
332 | ||
34b5e560 RR |
333 | return; |
334 | } | |
335 | child = child->next; | |
336 | count++; | |
337 | } | |
6c8a980f VZ |
338 | } |
339 | ||
aa61d352 | 340 | wxString wxChoice::GetString(unsigned int n) const |
c801d85f | 341 | { |
0a164d4c | 342 | wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid choice") ); |
fd0eed64 RR |
343 | |
344 | GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); | |
aa61d352 | 345 | unsigned int count = 0; |
fd0eed64 RR |
346 | GList *child = menu_shell->children; |
347 | while (child) | |
c801d85f | 348 | { |
fd0eed64 RR |
349 | GtkBin *bin = GTK_BIN( child->data ); |
350 | if (count == n) | |
351 | { | |
d3b9f782 | 352 | GtkLabel *label = NULL; |
9e691f46 VZ |
353 | if (bin->child) |
354 | label = GTK_LABEL(bin->child); | |
355 | if (!label) | |
356 | label = GTK_LABEL( BUTTON_CHILD(m_widget) ); | |
29006414 | 357 | |
223d09f6 | 358 | wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") ); |
29006414 | 359 | |
2e1d7104 | 360 | return wxString( label->label ); |
fd0eed64 RR |
361 | } |
362 | child = child->next; | |
363 | count++; | |
6de97a3b | 364 | } |
29006414 | 365 | |
223d09f6 | 366 | wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") ); |
29006414 | 367 | |
0a164d4c | 368 | return wxEmptyString; |
6de97a3b | 369 | } |
c801d85f | 370 | |
aa61d352 | 371 | unsigned int wxChoice::GetCount() const |
c801d85f | 372 | { |
223d09f6 | 373 | wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") ); |
fd0eed64 RR |
374 | |
375 | GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); | |
aa61d352 | 376 | unsigned int count = 0; |
fd0eed64 RR |
377 | GList *child = menu_shell->children; |
378 | while (child) | |
379 | { | |
380 | count++; | |
381 | child = child->next; | |
382 | } | |
383 | return count; | |
6de97a3b | 384 | } |
c801d85f | 385 | |
debe6624 | 386 | void wxChoice::SetSelection( int n ) |
c801d85f | 387 | { |
223d09f6 | 388 | wxCHECK_RET( m_widget != NULL, wxT("invalid choice") ); |
f96aa4d9 | 389 | |
fd0eed64 RR |
390 | int tmp = n; |
391 | gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp ); | |
16edee16 RR |
392 | |
393 | // set the local selection variable manually | |
aa61d352 | 394 | if (IsValid((unsigned int)n)) |
16edee16 RR |
395 | { |
396 | // a valid selection has been made | |
397 | m_selection_hack = n; | |
398 | } | |
399 | else if ((n == wxNOT_FOUND) || (GetCount() == 0)) | |
400 | { | |
401 | // invalidates the selection if there are no items | |
402 | // or if it is specifically set to wxNOT_FOUND | |
403 | m_selection_hack = wxNOT_FOUND; | |
404 | } | |
405 | else | |
406 | { | |
407 | // this selects the first item by default if the selection is out of bounds | |
408 | m_selection_hack = 0; | |
409 | } | |
6de97a3b | 410 | } |
c801d85f | 411 | |
f40fdaa3 | 412 | void wxChoice::DoApplyWidgetStyle(GtkRcStyle *style) |
868a2826 | 413 | { |
fd0eed64 | 414 | GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) ); |
29006414 | 415 | |
f40fdaa3 VS |
416 | gtk_widget_modify_style( m_widget, style ); |
417 | gtk_widget_modify_style( GTK_WIDGET( menu_shell ), style ); | |
29006414 | 418 | |
fd0eed64 RR |
419 | GList *child = menu_shell->children; |
420 | while (child) | |
421 | { | |
f40fdaa3 | 422 | gtk_widget_modify_style( GTK_WIDGET( child->data ), style ); |
29006414 | 423 | |
fd0eed64 | 424 | GtkBin *bin = GTK_BIN( child->data ); |
d3b9f782 | 425 | GtkWidget *label = NULL; |
9e691f46 VZ |
426 | if (bin->child) |
427 | label = bin->child; | |
428 | if (!label) | |
429 | label = BUTTON_CHILD(m_widget); | |
29006414 | 430 | |
f40fdaa3 | 431 | gtk_widget_modify_style( label, style ); |
29006414 | 432 | |
fd0eed64 RR |
433 | child = child->next; |
434 | } | |
f96aa4d9 RR |
435 | } |
436 | ||
aa61d352 | 437 | int wxChoice::GtkAddHelper(GtkWidget *menu, unsigned int pos, const wxString& item) |
e01c8145 | 438 | { |
8228b893 | 439 | wxCHECK_MSG(pos<=m_clientList.GetCount(), -1, wxT("invalid index")); |
243dbf1a | 440 | |
fab591c5 | 441 | GtkWidget *menu_item = gtk_menu_item_new_with_label( wxGTK_CONV( item ) ); |
e01c8145 VZ |
442 | |
443 | size_t index; | |
444 | if ( m_strings ) | |
445 | { | |
446 | // sorted control, need to insert at the correct index | |
447 | index = m_strings->Add(item); | |
448 | ||
449 | gtk_menu_insert( GTK_MENU(menu), menu_item, index ); | |
450 | ||
451 | if ( index ) | |
452 | { | |
453 | m_clientList.Insert( m_clientList.Item(index - 1), | |
d3b9f782 | 454 | NULL ); |
e01c8145 VZ |
455 | } |
456 | else | |
457 | { | |
d3b9f782 | 458 | m_clientList.Insert( NULL ); |
e01c8145 VZ |
459 | } |
460 | } | |
461 | else | |
462 | { | |
243dbf1a VZ |
463 | // don't call wxChoice::GetCount() from here because it doesn't work |
464 | // if we're called from ctor (and GtkMenuShell is still NULL) | |
465 | ||
e01c8145 | 466 | // normal control, just append |
035b6a79 | 467 | if (pos == m_clientList.GetCount()) |
243dbf1a | 468 | { |
0a164d4c | 469 | gtk_menu_append( GTK_MENU(menu), menu_item ); |
d3b9f782 | 470 | m_clientList.Append( NULL ); |
0a164d4c | 471 | index = m_clientList.GetCount() - 1; |
243dbf1a VZ |
472 | } |
473 | else | |
474 | { | |
475 | gtk_menu_insert( GTK_MENU(menu), menu_item, pos ); | |
d3b9f782 | 476 | m_clientList.Insert( pos, NULL ); |
243dbf1a VZ |
477 | index = pos; |
478 | } | |
e01c8145 VZ |
479 | } |
480 | ||
481 | if (GTK_WIDGET_REALIZED(m_widget)) | |
482 | { | |
483 | gtk_widget_realize( menu_item ); | |
484 | gtk_widget_realize( GTK_BIN(menu_item)->child ); | |
485 | ||
f40fdaa3 | 486 | ApplyWidgetStyle(); |
e01c8145 VZ |
487 | } |
488 | ||
9ddf4854 RR |
489 | // The best size of a wxChoice should probably |
490 | // be changed everytime the control has been | |
491 | // changed, but at least after adding an item | |
492 | // it has to change. Adapted from Matt Ownby. | |
493 | InvalidateBestSize(); | |
0a164d4c | 494 | |
58b907f6 | 495 | gtk_signal_connect_after( GTK_OBJECT( menu_item ), "activate", |
e01c8145 VZ |
496 | GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this ); |
497 | ||
498 | gtk_widget_show( menu_item ); | |
499 | ||
500 | // return the index of the item in the control | |
501 | return index; | |
502 | } | |
503 | ||
f68586e5 VZ |
504 | wxSize wxChoice::DoGetBestSize() const |
505 | { | |
db434467 | 506 | wxSize ret( wxControl::DoGetBestSize() ); |
29f54b9b VZ |
507 | |
508 | // we know better our horizontal extent: it depends on the longest string | |
509 | // we have | |
510 | ret.x = 0; | |
511 | if ( m_widget ) | |
512 | { | |
60d85ccb | 513 | int width; |
aa61d352 VZ |
514 | unsigned int count = GetCount(); |
515 | for ( unsigned int n = 0; n < count; n++ ) | |
29f54b9b | 516 | { |
aa61d352 | 517 | GetTextExtent(GetString(n), &width, NULL, NULL, NULL ); |
29f54b9b VZ |
518 | if ( width > ret.x ) |
519 | ret.x = width; | |
520 | } | |
521 | ||
df336b7f VZ |
522 | // add extra for the choice "=" button |
523 | ||
524 | // VZ: I don't know how to get the right value, it seems to be in | |
525 | // GtkOptionMenuProps struct from gtkoptionmenu.c but we can't get | |
526 | // to it - maybe we can use gtk_option_menu_size_request() for this | |
527 | // somehow? | |
528 | // | |
529 | // This default value works only for the default GTK+ theme (i.e. | |
530 | // no theme at all) (FIXME) | |
531 | static const int widthChoiceIndicator = 35; | |
532 | ret.x += widthChoiceIndicator; | |
29f54b9b VZ |
533 | } |
534 | ||
535 | // but not less than the minimal width | |
536 | if ( ret.x < 80 ) | |
537 | ret.x = 80; | |
538 | ||
ebbb22bd RR |
539 | // If this request_size is called with no entries then |
540 | // the returned height is wrong. Give it a reasonable | |
541 | // default value. | |
542 | if (ret.y <= 18) | |
543 | ret.y = 8 + GetCharHeight(); | |
9e691f46 | 544 | |
9f884528 | 545 | CacheBestSize(ret); |
db434467 | 546 | return ret; |
f68586e5 VZ |
547 | } |
548 | ||
2b904684 RR |
549 | bool wxChoice::IsOwnGtkWindow( GdkWindow *window ) |
550 | { | |
2b904684 | 551 | return (window == m_widget->window); |
2b904684 RR |
552 | } |
553 | ||
9d522606 RD |
554 | // static |
555 | wxVisualAttributes | |
556 | wxChoice::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
557 | { | |
558 | return GetDefaultAttributesFromGTKWidget(gtk_option_menu_new); | |
559 | } | |
560 | ||
2b904684 | 561 | |
df336b7f | 562 | #endif // wxUSE_CHOICE |