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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: textctrl.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | // For compilers that support precompilation, includes "wx.h". | |
11 | #include "wx/wxprec.h" | |
12 | ||
13 | #include "wx/textctrl.h" | |
14 | #include "wx/utils.h" | |
15 | #include "wx/intl.h" | |
16 | #include "wx/log.h" | |
17 | #include "wx/math.h" | |
18 | #include "wx/settings.h" | |
19 | #include "wx/panel.h" | |
20 | #include "wx/strconv.h" | |
21 | #include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo()) | |
22 | ||
23 | #include <sys/types.h> | |
24 | #include <sys/stat.h> | |
25 | #include <ctype.h> | |
26 | #include "wx/math.h" | |
27 | ||
28 | #include "wx/gtk/private.h" | |
29 | #include <gdk/gdkkeysyms.h> | |
30 | ||
31 | //----------------------------------------------------------------------------- | |
32 | // idle system | |
33 | //----------------------------------------------------------------------------- | |
34 | ||
35 | extern void wxapp_install_idle_handler(); | |
36 | extern bool g_isIdle; | |
37 | ||
38 | //----------------------------------------------------------------------------- | |
39 | // data | |
40 | //----------------------------------------------------------------------------- | |
41 | ||
42 | extern wxCursor g_globalCursor; | |
43 | extern wxWindowGTK *g_delayedFocus; | |
44 | ||
45 | // ---------------------------------------------------------------------------- | |
46 | // helpers | |
47 | // ---------------------------------------------------------------------------- | |
48 | ||
49 | #ifdef __WXGTK20__ | |
50 | extern "C" { | |
51 | static void wxGtkOnRemoveTag(GtkTextBuffer *buffer, | |
52 | GtkTextTag *tag, | |
53 | GtkTextIter *start, | |
54 | GtkTextIter *end, | |
55 | char *prefix) | |
56 | { | |
57 | gchar *name; | |
58 | g_object_get (tag, "name", &name, NULL); | |
59 | ||
60 | if (!name || strncmp(name, prefix, strlen(prefix))) | |
61 | // anonymous tag or not starting with prefix - don't remove | |
62 | g_signal_stop_emission_by_name(buffer, "remove_tag"); | |
63 | ||
64 | g_free(name); | |
65 | } | |
66 | } | |
67 | ||
68 | extern "C" { | |
69 | static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer, | |
70 | const wxTextAttr& attr, | |
71 | GtkTextIter *start, | |
72 | GtkTextIter *end) | |
73 | { | |
74 | static gchar buf[1024]; | |
75 | GtkTextTag *tag; | |
76 | ||
77 | gulong remove_handler_id = g_signal_connect( text_buffer, "remove_tag", | |
78 | G_CALLBACK(wxGtkOnRemoveTag), gpointer("WX")); | |
79 | gtk_text_buffer_remove_all_tags(text_buffer, start, end); | |
80 | g_signal_handler_disconnect( text_buffer, remove_handler_id ); | |
81 | ||
82 | if (attr.HasFont()) | |
83 | { | |
84 | char *font_string; | |
85 | PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description; | |
86 | font_string = pango_font_description_to_string(font_description); | |
87 | g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string); | |
88 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), | |
89 | buf ); | |
90 | if (!tag) | |
91 | tag = gtk_text_buffer_create_tag( text_buffer, buf, | |
92 | "font-desc", font_description, | |
93 | NULL ); | |
94 | gtk_text_buffer_apply_tag (text_buffer, tag, start, end); | |
95 | g_free (font_string); | |
96 | } | |
97 | ||
98 | if (attr.HasTextColour()) | |
99 | { | |
100 | GdkColor *colFg = attr.GetTextColour().GetColor(); | |
101 | g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d", | |
102 | colFg->red, colFg->green, colFg->blue); | |
103 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), | |
104 | buf ); | |
105 | if (!tag) | |
106 | tag = gtk_text_buffer_create_tag( text_buffer, buf, | |
107 | "foreground-gdk", colFg, NULL ); | |
108 | gtk_text_buffer_apply_tag (text_buffer, tag, start, end); | |
109 | } | |
110 | ||
111 | if (attr.HasBackgroundColour()) | |
112 | { | |
113 | GdkColor *colBg = attr.GetBackgroundColour().GetColor(); | |
114 | g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d", | |
115 | colBg->red, colBg->green, colBg->blue); | |
116 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), | |
117 | buf ); | |
118 | if (!tag) | |
119 | tag = gtk_text_buffer_create_tag( text_buffer, buf, | |
120 | "background-gdk", colBg, NULL ); | |
121 | gtk_text_buffer_apply_tag (text_buffer, tag, start, end); | |
122 | } | |
123 | ||
124 | if (attr.HasAlignment()) | |
125 | { | |
126 | GtkTextIter para_start, para_end = *end; | |
127 | gtk_text_buffer_get_iter_at_line( text_buffer, | |
128 | ¶_start, | |
129 | gtk_text_iter_get_line(start) ); | |
130 | gtk_text_iter_forward_line(¶_end); | |
131 | ||
132 | remove_handler_id = g_signal_connect( text_buffer, "remove_tag", | |
133 | G_CALLBACK(wxGtkOnRemoveTag), | |
134 | gpointer("WXALIGNMENT")); | |
135 | gtk_text_buffer_remove_all_tags( text_buffer, ¶_start, ¶_end ); | |
136 | g_signal_handler_disconnect( text_buffer, remove_handler_id ); | |
137 | ||
138 | GtkJustification align; | |
139 | switch (attr.GetAlignment()) | |
140 | { | |
141 | default: | |
142 | align = GTK_JUSTIFY_LEFT; | |
143 | break; | |
144 | case wxTEXT_ALIGNMENT_RIGHT: | |
145 | align = GTK_JUSTIFY_RIGHT; | |
146 | break; | |
147 | case wxTEXT_ALIGNMENT_CENTER: | |
148 | align = GTK_JUSTIFY_CENTER; | |
149 | break; | |
150 | // gtk+ doesn't support justify as of gtk+-2.7.4 | |
151 | } | |
152 | ||
153 | g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align); | |
154 | tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ), | |
155 | buf ); | |
156 | if (!tag) | |
157 | tag = gtk_text_buffer_create_tag( text_buffer, buf, | |
158 | "justification", align, NULL ); | |
159 | gtk_text_buffer_apply_tag( text_buffer, tag, ¶_start, ¶_end ); | |
160 | } | |
161 | } | |
162 | } | |
163 | ||
164 | extern "C" { | |
165 | static void wxGtkTextInsert(GtkWidget *text, | |
166 | GtkTextBuffer *text_buffer, | |
167 | const wxTextAttr& attr, | |
168 | const wxCharBuffer& buffer) | |
169 | ||
170 | { | |
171 | gint start_offset; | |
172 | GtkTextIter iter, start; | |
173 | ||
174 | gtk_text_buffer_get_iter_at_mark( text_buffer, &iter, | |
175 | gtk_text_buffer_get_insert (text_buffer) ); | |
176 | start_offset = gtk_text_iter_get_offset (&iter); | |
177 | gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) ); | |
178 | ||
179 | gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset); | |
180 | ||
181 | wxGtkTextApplyTagsFromAttr(text_buffer, attr, &start, &iter); | |
182 | } | |
183 | } | |
184 | #else | |
185 | extern "C" { | |
186 | static void wxGtkTextInsert(GtkWidget *text, | |
187 | const wxTextAttr& attr, | |
188 | const char *txt, | |
189 | size_t len) | |
190 | { | |
191 | GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont() | |
192 | : NULL; | |
193 | ||
194 | GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor() | |
195 | : NULL; | |
196 | ||
197 | GdkColor *colBg = attr.HasBackgroundColour() | |
198 | ? attr.GetBackgroundColour().GetColor() | |
199 | : NULL; | |
200 | ||
201 | gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len ); | |
202 | } | |
203 | } | |
204 | #endif // GTK 1.x | |
205 | ||
206 | // ---------------------------------------------------------------------------- | |
207 | // "insert_text" for GtkEntry | |
208 | // ---------------------------------------------------------------------------- | |
209 | ||
210 | extern "C" { | |
211 | static void | |
212 | gtk_insert_text_callback(GtkEditable *editable, | |
213 | const gchar *new_text, | |
214 | gint new_text_length, | |
215 | gint *position, | |
216 | wxTextCtrl *win) | |
217 | { | |
218 | if (g_isIdle) | |
219 | wxapp_install_idle_handler(); | |
220 | ||
221 | // we should only be called if we have a max len limit at all | |
222 | GtkEntry *entry = GTK_ENTRY (editable); | |
223 | ||
224 | wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") ); | |
225 | ||
226 | // check that we don't overflow the max length limit | |
227 | // | |
228 | // FIXME: this doesn't work when we paste a string which is going to be | |
229 | // truncated | |
230 | if ( entry->text_length == entry->text_max_length ) | |
231 | { | |
232 | // we don't need to run the base class version at all | |
233 | gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text"); | |
234 | ||
235 | // remember that the next changed signal is to be ignored to avoid | |
236 | // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event | |
237 | win->IgnoreNextTextUpdate(); | |
238 | ||
239 | // and generate the correct one ourselves | |
240 | wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId()); | |
241 | event.SetEventObject(win); | |
242 | event.SetString(win->GetValue()); | |
243 | win->GetEventHandler()->ProcessEvent( event ); | |
244 | } | |
245 | } | |
246 | } | |
247 | ||
248 | #ifdef __WXGTK20__ | |
249 | // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp, | |
250 | ||
251 | extern "C" { | |
252 | static void | |
253 | au_apply_tag_callback(GtkTextBuffer *buffer, | |
254 | GtkTextTag *tag, | |
255 | GtkTextIter *start, | |
256 | GtkTextIter *end, | |
257 | gpointer textctrl) | |
258 | { | |
259 | if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl")) | |
260 | g_signal_stop_emission_by_name(buffer, "apply_tag"); | |
261 | } | |
262 | } | |
263 | ||
264 | //----------------------------------------------------------------------------- | |
265 | // GtkTextCharPredicates for gtk_text_iter_*_find_char | |
266 | //----------------------------------------------------------------------------- | |
267 | ||
268 | extern "C" { | |
269 | static gboolean | |
270 | pred_whitespace (gunichar ch, gpointer user_data) | |
271 | { | |
272 | return g_unichar_isspace(ch); | |
273 | } | |
274 | } | |
275 | ||
276 | extern "C" { | |
277 | static gboolean | |
278 | pred_non_whitespace (gunichar ch, gpointer user_data) | |
279 | { | |
280 | return !g_unichar_isspace(ch); | |
281 | } | |
282 | } | |
283 | ||
284 | extern "C" { | |
285 | static gboolean | |
286 | pred_nonpunct (gunichar ch, gpointer user_data) | |
287 | { | |
288 | return !g_unichar_ispunct(ch); | |
289 | } | |
290 | } | |
291 | ||
292 | extern "C" { | |
293 | static gboolean | |
294 | pred_nonpunct_or_slash (gunichar ch, gpointer user_data) | |
295 | { | |
296 | return !g_unichar_ispunct(ch) || ch == '/'; | |
297 | } | |
298 | } | |
299 | ||
300 | //----------------------------------------------------------------------------- | |
301 | // Check for links between s and e and correct tags as necessary | |
302 | //----------------------------------------------------------------------------- | |
303 | ||
304 | // This function should be made match better while being efficient at one point. | |
305 | // Most probably with a row of regular expressions. | |
306 | extern "C" { | |
307 | static void | |
308 | au_check_word( GtkTextIter *s, GtkTextIter *e ) | |
309 | { | |
310 | static const char *URIPrefixes[] = | |
311 | { | |
312 | "http://", | |
313 | "ftp://", | |
314 | "www.", | |
315 | "ftp.", | |
316 | "mailto://", | |
317 | "https://", | |
318 | "file://", | |
319 | "nntp://", | |
320 | "news://", | |
321 | "telnet://", | |
322 | "mms://", | |
323 | "gopher://", | |
324 | "prospero://", | |
325 | "wais://", | |
326 | }; | |
327 | ||
328 | GtkTextIter start = *s, end = *e; | |
329 | GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s); | |
330 | ||
331 | // Get our special link tag | |
332 | GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"); | |
333 | ||
334 | // Get rid of punctuation from beginning and end. | |
335 | // Might want to move this to au_check_range if an improved link checking doesn't | |
336 | // use some intelligent punctuation checking itself (beware of undesired iter modifications). | |
337 | if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) ) | |
338 | gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e ); | |
339 | ||
340 | gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start ); | |
341 | gtk_text_iter_forward_char(&end); | |
342 | ||
343 | gchar* text = gtk_text_iter_get_text( &start, &end ); | |
344 | size_t len = strlen(text), prefix_len; | |
345 | size_t n; | |
346 | ||
347 | for( n = 0; n < WXSIZEOF(URIPrefixes); ++n ) | |
348 | { | |
349 | prefix_len = strlen(URIPrefixes[n]); | |
350 | if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len)) | |
351 | break; | |
352 | } | |
353 | ||
354 | if(n < WXSIZEOF(URIPrefixes)) | |
355 | { | |
356 | gulong signal_id = g_signal_handler_find(buffer, | |
357 | (GSignalMatchType) (G_SIGNAL_MATCH_FUNC), | |
358 | 0, 0, NULL, | |
359 | (gpointer)au_apply_tag_callback, NULL); | |
360 | ||
361 | g_signal_handler_block(buffer, signal_id); | |
362 | gtk_text_buffer_apply_tag(buffer, tag, &start, &end); | |
363 | g_signal_handler_unblock(buffer, signal_id); | |
364 | } | |
365 | } | |
366 | } | |
367 | ||
368 | extern "C" { | |
369 | static void | |
370 | au_check_range(GtkTextIter *s, | |
371 | GtkTextIter *range_end) | |
372 | { | |
373 | GtkTextIter range_start = *s; | |
374 | GtkTextIter word_end; | |
375 | GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s); | |
376 | GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"); | |
377 | ||
378 | gtk_text_buffer_remove_tag(buffer, tag, s, range_end); | |
379 | ||
380 | if(g_unichar_isspace(gtk_text_iter_get_char(&range_start))) | |
381 | gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end); | |
382 | ||
383 | while(!gtk_text_iter_equal(&range_start, range_end)) | |
384 | { | |
385 | word_end = range_start; | |
386 | gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end); | |
387 | ||
388 | // Now we should have a word delimited by range_start and word_end, correct link tags | |
389 | au_check_word(&range_start, &word_end); | |
390 | ||
391 | range_start = word_end; | |
392 | gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end); | |
393 | } | |
394 | } | |
395 | } | |
396 | ||
397 | //----------------------------------------------------------------------------- | |
398 | // "insert-text" for GtkTextBuffer | |
399 | //----------------------------------------------------------------------------- | |
400 | ||
401 | extern "C" { | |
402 | static void | |
403 | au_insert_text_callback(GtkTextBuffer *buffer, | |
404 | GtkTextIter *end, | |
405 | gchar *text, | |
406 | gint len, | |
407 | wxTextCtrl *win) | |
408 | { | |
409 | if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) ) | |
410 | return; | |
411 | ||
412 | GtkTextIter start = *end; | |
413 | gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len)); | |
414 | ||
415 | GtkTextIter line_start = start; | |
416 | GtkTextIter line_end = *end; | |
417 | GtkTextIter words_start = start; | |
418 | GtkTextIter words_end = *end; | |
419 | ||
420 | gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start)); | |
421 | gtk_text_iter_forward_to_line_end(&line_end); | |
422 | gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start); | |
423 | gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end); | |
424 | ||
425 | au_check_range(&words_start, &words_end); | |
426 | } | |
427 | } | |
428 | ||
429 | //----------------------------------------------------------------------------- | |
430 | // "delete-range" for GtkTextBuffer | |
431 | //----------------------------------------------------------------------------- | |
432 | ||
433 | extern "C" { | |
434 | static void | |
435 | au_delete_range_callback(GtkTextBuffer *buffer, | |
436 | GtkTextIter *start, | |
437 | GtkTextIter *end, | |
438 | wxTextCtrl *win) | |
439 | { | |
440 | if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) ) | |
441 | return; | |
442 | ||
443 | GtkTextIter line_start = *start, line_end = *end; | |
444 | ||
445 | gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start)); | |
446 | gtk_text_iter_forward_to_line_end(&line_end); | |
447 | gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start); | |
448 | gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end); | |
449 | ||
450 | au_check_range(start, end); | |
451 | } | |
452 | } | |
453 | ||
454 | ||
455 | #endif | |
456 | ||
457 | //----------------------------------------------------------------------------- | |
458 | // "changed" | |
459 | //----------------------------------------------------------------------------- | |
460 | ||
461 | extern "C" { | |
462 | static void | |
463 | gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win ) | |
464 | { | |
465 | if ( win->IgnoreTextUpdate() ) | |
466 | return; | |
467 | ||
468 | if (!win->m_hasVMT) return; | |
469 | ||
470 | if (g_isIdle) | |
471 | wxapp_install_idle_handler(); | |
472 | ||
473 | win->SetModified(); | |
474 | #ifndef __WXGTK20__ | |
475 | win->UpdateFontIfNeeded(); | |
476 | #endif // !__WXGTK20__ | |
477 | ||
478 | wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); | |
479 | event.SetEventObject( win ); | |
480 | win->GetEventHandler()->ProcessEvent( event ); | |
481 | } | |
482 | } | |
483 | ||
484 | //----------------------------------------------------------------------------- | |
485 | // "expose_event" from scrolled window and textview | |
486 | //----------------------------------------------------------------------------- | |
487 | ||
488 | #ifdef __WXGTK20__ | |
489 | extern "C" { | |
490 | static gboolean | |
491 | gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win ) | |
492 | { | |
493 | return TRUE; | |
494 | } | |
495 | } | |
496 | #endif | |
497 | ||
498 | //----------------------------------------------------------------------------- | |
499 | // "changed" from vertical scrollbar | |
500 | //----------------------------------------------------------------------------- | |
501 | ||
502 | #ifndef __WXGTK20__ | |
503 | extern "C" { | |
504 | static void | |
505 | gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) | |
506 | { | |
507 | if (!win->m_hasVMT) return; | |
508 | ||
509 | if (g_isIdle) | |
510 | wxapp_install_idle_handler(); | |
511 | ||
512 | win->CalculateScrollbar(); | |
513 | } | |
514 | } | |
515 | #endif | |
516 | ||
517 | // ---------------------------------------------------------------------------- | |
518 | // redraw callback for multiline text | |
519 | // ---------------------------------------------------------------------------- | |
520 | ||
521 | #ifndef __WXGTK20__ | |
522 | ||
523 | // redrawing a GtkText from inside a wxYield() call results in crashes (the | |
524 | // text sample shows it in its "Add lines" command which shows wxProgressDialog | |
525 | // which implicitly calls wxYield()) so we override GtkText::draw() and simply | |
526 | // don't do anything if we're inside wxYield() | |
527 | ||
528 | extern bool wxIsInsideYield; | |
529 | ||
530 | extern "C" { | |
531 | typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect); | |
532 | } | |
533 | ||
534 | static GtkDrawCallback gs_gtk_text_draw = NULL; | |
535 | ||
536 | extern "C" { | |
537 | static void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect) | |
538 | { | |
539 | if ( !wxIsInsideYield ) | |
540 | { | |
541 | wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw, | |
542 | _T("infinite recursion in wxgtk_text_draw aborted") ); | |
543 | ||
544 | gs_gtk_text_draw(widget, rect); | |
545 | } | |
546 | } | |
547 | } | |
548 | ||
549 | #endif // __WXGTK20__ | |
550 | ||
551 | //----------------------------------------------------------------------------- | |
552 | // wxTextCtrl | |
553 | //----------------------------------------------------------------------------- | |
554 | ||
555 | IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) | |
556 | ||
557 | BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) | |
558 | EVT_CHAR(wxTextCtrl::OnChar) | |
559 | ||
560 | EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) | |
561 | EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) | |
562 | EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) | |
563 | EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) | |
564 | EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) | |
565 | ||
566 | EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) | |
567 | EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) | |
568 | EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) | |
569 | EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) | |
570 | EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) | |
571 | ||
572 | #ifdef __WXGTK20__ | |
573 | // wxTE_AUTO_URL wxTextUrl support. Currently only creates | |
574 | // wxTextUrlEvent in the same cases as wxMSW, more can be added here. | |
575 | EVT_MOTION (wxTextCtrl::OnUrlMouseEvent) | |
576 | EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent) | |
577 | EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent) | |
578 | EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent) | |
579 | EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent) | |
580 | EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent) | |
581 | EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent) | |
582 | #endif | |
583 | END_EVENT_TABLE() | |
584 | ||
585 | void wxTextCtrl::Init() | |
586 | { | |
587 | m_ignoreNextUpdate = | |
588 | m_modified = false; | |
589 | SetUpdateFont(false); | |
590 | m_text = | |
591 | m_vScrollbar = (GtkWidget *)NULL; | |
592 | #ifdef __WXGTK20__ | |
593 | m_frozenness = 0; | |
594 | m_gdkHandCursor = NULL; | |
595 | m_gdkXTermCursor = NULL; | |
596 | #endif | |
597 | } | |
598 | ||
599 | wxTextCtrl::~wxTextCtrl() | |
600 | { | |
601 | #ifdef __WXGTK20__ | |
602 | if(m_gdkHandCursor) | |
603 | gdk_cursor_unref(m_gdkHandCursor); | |
604 | if(m_gdkXTermCursor) | |
605 | gdk_cursor_unref(m_gdkXTermCursor); | |
606 | #endif | |
607 | } | |
608 | ||
609 | wxTextCtrl::wxTextCtrl( wxWindow *parent, | |
610 | wxWindowID id, | |
611 | const wxString &value, | |
612 | const wxPoint &pos, | |
613 | const wxSize &size, | |
614 | long style, | |
615 | const wxValidator& validator, | |
616 | const wxString &name ) | |
617 | { | |
618 | Init(); | |
619 | ||
620 | Create( parent, id, value, pos, size, style, validator, name ); | |
621 | } | |
622 | ||
623 | bool wxTextCtrl::Create( wxWindow *parent, | |
624 | wxWindowID id, | |
625 | const wxString &value, | |
626 | const wxPoint &pos, | |
627 | const wxSize &size, | |
628 | long style, | |
629 | const wxValidator& validator, | |
630 | const wxString &name ) | |
631 | { | |
632 | m_needParent = true; | |
633 | m_acceptsFocus = true; | |
634 | ||
635 | if (!PreCreation( parent, pos, size ) || | |
636 | !CreateBase( parent, id, pos, size, style, validator, name )) | |
637 | { | |
638 | wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); | |
639 | return false; | |
640 | } | |
641 | ||
642 | ||
643 | m_vScrollbarVisible = false; | |
644 | ||
645 | bool multi_line = (style & wxTE_MULTILINE) != 0; | |
646 | ||
647 | if (multi_line) | |
648 | { | |
649 | #ifdef __WXGTK20__ | |
650 | // Create view | |
651 | m_text = gtk_text_view_new(); | |
652 | ||
653 | m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) ); | |
654 | ||
655 | // create scrolled window | |
656 | m_widget = gtk_scrolled_window_new( NULL, NULL ); | |
657 | gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ), | |
658 | GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC ); | |
659 | ||
660 | // Insert view into scrolled window | |
661 | gtk_container_add( GTK_CONTAINER(m_widget), m_text ); | |
662 | ||
663 | // translate wx wrapping style to GTK+ | |
664 | GtkWrapMode wrap; | |
665 | if ( HasFlag( wxTE_DONTWRAP ) ) | |
666 | wrap = GTK_WRAP_NONE; | |
667 | else if ( HasFlag( wxTE_CHARWRAP ) ) | |
668 | wrap = GTK_WRAP_CHAR; | |
669 | else if ( HasFlag( wxTE_WORDWRAP ) ) | |
670 | wrap = GTK_WRAP_WORD; | |
671 | else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0 | |
672 | { | |
673 | // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4 | |
674 | #ifdef __WXGTK24__ | |
675 | if ( !gtk_check_version(2,4,0) ) | |
676 | { | |
677 | wrap = GTK_WRAP_WORD_CHAR; | |
678 | } | |
679 | else | |
680 | #endif | |
681 | wrap = GTK_WRAP_WORD; | |
682 | } | |
683 | ||
684 | gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap ); | |
685 | ||
686 | if (!HasFlag(wxNO_BORDER)) | |
687 | gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN ); | |
688 | ||
689 | gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK ); | |
690 | ||
691 | GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); | |
692 | #else // GTK+ 1 | |
693 | // create our control ... | |
694 | m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); | |
695 | ||
696 | // ... and put into the upper left hand corner of the table | |
697 | bool bHasHScrollbar = false; | |
698 | m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE); | |
699 | GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); | |
700 | gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1, | |
701 | (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), | |
702 | (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), | |
703 | 0, 0); | |
704 | ||
705 | // always wrap words | |
706 | gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE ); | |
707 | ||
708 | // finally, put the vertical scrollbar in the upper right corner | |
709 | m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj ); | |
710 | GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS ); | |
711 | gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1, | |
712 | GTK_FILL, | |
713 | (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), | |
714 | 0, 0); | |
715 | #endif // GTK+ 2/1 | |
716 | } | |
717 | else | |
718 | { | |
719 | // a single-line text control: no need for scrollbars | |
720 | m_widget = | |
721 | m_text = gtk_entry_new(); | |
722 | ||
723 | #ifdef __WXGTK20__ | |
724 | if (style & wxNO_BORDER) | |
725 | g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL ); | |
726 | #endif | |
727 | } | |
728 | ||
729 | m_parent->DoAddChild( this ); | |
730 | ||
731 | m_focusWidget = m_text; | |
732 | ||
733 | PostCreation(size); | |
734 | ||
735 | if (multi_line) | |
736 | gtk_widget_show(m_text); | |
737 | ||
738 | #ifndef __WXGTK20__ | |
739 | if (multi_line) | |
740 | { | |
741 | gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", | |
742 | (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); | |
743 | ||
744 | // only initialize gs_gtk_text_draw once, starting from the next the | |
745 | // klass::draw will already be wxgtk_text_draw | |
746 | if ( !gs_gtk_text_draw ) | |
747 | { | |
748 | GtkDrawCallback& | |
749 | draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw; | |
750 | ||
751 | gs_gtk_text_draw = draw; | |
752 | ||
753 | draw = wxgtk_text_draw; | |
754 | } | |
755 | } | |
756 | #endif // GTK+ 1.x | |
757 | ||
758 | if (!value.empty()) | |
759 | { | |
760 | #ifdef __WXGTK20__ | |
761 | SetValue( value ); | |
762 | #else | |
763 | ||
764 | #if !GTK_CHECK_VERSION(1, 2, 0) | |
765 | // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in | |
766 | // gtk_editable_insert_text() | |
767 | gtk_widget_realize(m_text); | |
768 | #endif // GTK 1.0 | |
769 | ||
770 | gint tmp = 0; | |
771 | #if wxUSE_UNICODE | |
772 | wxWX2MBbuf val = value.mbc_str(); | |
773 | gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp ); | |
774 | #else | |
775 | gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); | |
776 | #endif | |
777 | ||
778 | if (multi_line) | |
779 | { | |
780 | // Bring editable's cursor uptodate. Bug in GTK. | |
781 | SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); | |
782 | } | |
783 | ||
784 | #endif | |
785 | } | |
786 | ||
787 | if (style & wxTE_PASSWORD) | |
788 | { | |
789 | if (!multi_line) | |
790 | gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE ); | |
791 | } | |
792 | ||
793 | if (style & wxTE_READONLY) | |
794 | { | |
795 | if (!multi_line) | |
796 | gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE ); | |
797 | #ifdef __WXGTK20__ | |
798 | else | |
799 | gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE); | |
800 | #else | |
801 | } | |
802 | else | |
803 | { | |
804 | if (multi_line) | |
805 | gtk_text_set_editable( GTK_TEXT(m_text), 1 ); | |
806 | #endif | |
807 | } | |
808 | ||
809 | #ifdef __WXGTK20__ | |
810 | if (multi_line) | |
811 | { | |
812 | if (style & wxTE_RIGHT) | |
813 | gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT ); | |
814 | else if (style & wxTE_CENTRE) | |
815 | gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER ); | |
816 | // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT | |
817 | } | |
818 | else | |
819 | { | |
820 | #ifdef __WXGTK24__ | |
821 | // gtk_entry_set_alignment was introduced in gtk+-2.3.5 | |
822 | if (!gtk_check_version(2,4,0)) | |
823 | { | |
824 | if (style & wxTE_RIGHT) | |
825 | gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 ); | |
826 | else if (style & wxTE_CENTRE) | |
827 | gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 ); | |
828 | } | |
829 | #endif | |
830 | } | |
831 | #endif // __WXGTK20__ | |
832 | ||
833 | // We want to be notified about text changes. | |
834 | #ifdef __WXGTK20__ | |
835 | if (multi_line) | |
836 | { | |
837 | g_signal_connect( G_OBJECT(m_buffer), "changed", | |
838 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); | |
839 | ||
840 | // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style | |
841 | if (style & wxTE_AUTO_URL) | |
842 | { | |
843 | GtkTextIter start, end; | |
844 | m_gdkHandCursor = gdk_cursor_new(GDK_HAND2); | |
845 | m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM); | |
846 | ||
847 | // We create our wxUrl tag here for slight efficiency gain - we | |
848 | // don't have to check for the tag existance in callbacks, | |
849 | // hereby it's guaranteed to exist. | |
850 | gtk_text_buffer_create_tag(m_buffer, "wxUrl", | |
851 | "foreground", "blue", | |
852 | "underline", PANGO_UNDERLINE_SINGLE, | |
853 | NULL); | |
854 | ||
855 | // Check for URLs after each text change | |
856 | g_signal_connect_after( G_OBJECT(m_buffer), "insert_text", | |
857 | GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this); | |
858 | g_signal_connect_after( G_OBJECT(m_buffer), "delete_range", | |
859 | GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)this); | |
860 | ||
861 | // Block all wxUrl tag applying unless we do it ourselves, in which case we | |
862 | // block this callback temporarily. This takes care of gtk+ internal | |
863 | // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise, | |
864 | // which is undesired because only a part of the URL might be copied. | |
865 | // The insert-text signal emitted inside it will take care of newly formed | |
866 | // or wholly copied URLs. | |
867 | g_signal_connect( G_OBJECT(m_buffer), "apply_tag", | |
868 | GTK_SIGNAL_FUNC(au_apply_tag_callback), NULL); | |
869 | ||
870 | // Check for URLs in the initial string passed to Create | |
871 | gtk_text_buffer_get_start_iter(m_buffer, &start); | |
872 | gtk_text_buffer_get_end_iter(m_buffer, &end); | |
873 | au_check_range(&start, &end); | |
874 | } | |
875 | } | |
876 | else | |
877 | #endif | |
878 | ||
879 | { | |
880 | gtk_signal_connect( GTK_OBJECT(m_text), "changed", | |
881 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); | |
882 | } | |
883 | ||
884 | m_cursor = wxCursor( wxCURSOR_IBEAM ); | |
885 | ||
886 | wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont()); | |
887 | SetDefaultStyle( attrDef ); | |
888 | ||
889 | return true; | |
890 | } | |
891 | ||
892 | ||
893 | void wxTextCtrl::CalculateScrollbar() | |
894 | { | |
895 | #ifndef __WXGTK20__ | |
896 | if ((m_windowStyle & wxTE_MULTILINE) == 0) return; | |
897 | ||
898 | GtkAdjustment *adj = GTK_TEXT(m_text)->vadj; | |
899 | ||
900 | if (adj->upper - adj->page_size < 0.8) | |
901 | { | |
902 | if (m_vScrollbarVisible) | |
903 | { | |
904 | gtk_widget_hide( m_vScrollbar ); | |
905 | m_vScrollbarVisible = false; | |
906 | } | |
907 | } | |
908 | else | |
909 | { | |
910 | if (!m_vScrollbarVisible) | |
911 | { | |
912 | gtk_widget_show( m_vScrollbar ); | |
913 | m_vScrollbarVisible = true; | |
914 | } | |
915 | } | |
916 | #endif | |
917 | } | |
918 | ||
919 | wxString wxTextCtrl::GetValue() const | |
920 | { | |
921 | wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") ); | |
922 | ||
923 | wxString tmp; | |
924 | if (m_windowStyle & wxTE_MULTILINE) | |
925 | { | |
926 | #ifdef __WXGTK20__ | |
927 | GtkTextIter start; | |
928 | gtk_text_buffer_get_start_iter( m_buffer, &start ); | |
929 | GtkTextIter end; | |
930 | gtk_text_buffer_get_end_iter( m_buffer, &end ); | |
931 | gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE ); | |
932 | ||
933 | #if wxUSE_UNICODE | |
934 | wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) ); | |
935 | #else | |
936 | wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) ); | |
937 | #endif | |
938 | if ( buffer ) | |
939 | tmp = buffer; | |
940 | ||
941 | g_free( text ); | |
942 | #else | |
943 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); | |
944 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); | |
945 | tmp = text; | |
946 | g_free( text ); | |
947 | #endif | |
948 | } | |
949 | else | |
950 | { | |
951 | tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) ); | |
952 | } | |
953 | ||
954 | return tmp; | |
955 | } | |
956 | ||
957 | void wxTextCtrl::SetValue( const wxString &value ) | |
958 | { | |
959 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
960 | ||
961 | if (m_windowStyle & wxTE_MULTILINE) | |
962 | { | |
963 | #ifdef __WXGTK20__ | |
964 | ||
965 | #if wxUSE_UNICODE | |
966 | wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) ); | |
967 | #else | |
968 | wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) ); | |
969 | #endif | |
970 | if (gtk_text_buffer_get_char_count(m_buffer) != 0) | |
971 | IgnoreNextTextUpdate(); | |
972 | ||
973 | if ( !buffer ) | |
974 | { | |
975 | // what else can we do? at least don't crash... | |
976 | return; | |
977 | } | |
978 | ||
979 | gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) ); | |
980 | ||
981 | #else | |
982 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); | |
983 | gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len ); | |
984 | len = 0; | |
985 | gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len ); | |
986 | #endif | |
987 | } | |
988 | else | |
989 | { | |
990 | gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) ); | |
991 | } | |
992 | ||
993 | // GRG, Jun/2000: Changed this after a lot of discussion in | |
994 | // the lists. wxWidgets 2.2 will have a set of flags to | |
995 | // customize this behaviour. | |
996 | SetInsertionPoint(0); | |
997 | ||
998 | m_modified = false; | |
999 | } | |
1000 | ||
1001 | void wxTextCtrl::WriteText( const wxString &text ) | |
1002 | { | |
1003 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1004 | ||
1005 | if ( text.empty() ) | |
1006 | return; | |
1007 | ||
1008 | // gtk_text_changed_callback() will set m_modified to true but m_modified | |
1009 | // shouldn't be changed by the program writing to the text control itself, | |
1010 | // so save the old value and restore when we're done | |
1011 | bool oldModified = m_modified; | |
1012 | ||
1013 | if ( m_windowStyle & wxTE_MULTILINE ) | |
1014 | { | |
1015 | #ifdef __WXGTK20__ | |
1016 | ||
1017 | #if wxUSE_UNICODE | |
1018 | wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); | |
1019 | #else | |
1020 | wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); | |
1021 | #endif | |
1022 | if ( !buffer ) | |
1023 | { | |
1024 | // what else can we do? at least don't crash... | |
1025 | return; | |
1026 | } | |
1027 | ||
1028 | // TODO: Call whatever is needed to delete the selection. | |
1029 | wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer ); | |
1030 | ||
1031 | GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) ); | |
1032 | // Scroll to cursor, but only if scrollbar thumb is at the very bottom | |
1033 | if ( wxIsSameDouble(adj->value, adj->upper - adj->page_size) ) | |
1034 | { | |
1035 | gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), | |
1036 | gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 ); | |
1037 | } | |
1038 | #else // GTK 1.x | |
1039 | // After cursor movements, gtk_text_get_point() is wrong by one. | |
1040 | gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) ); | |
1041 | ||
1042 | // always use m_defaultStyle, even if it is empty as otherwise | |
1043 | // resetting the style and appending some more text wouldn't work: if | |
1044 | // we don't specify the style explicitly, the old style would be used | |
1045 | gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); | |
1046 | wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len()); | |
1047 | ||
1048 | // we called wxGtkTextInsert with correct font, no need to do anything | |
1049 | // in UpdateFontIfNeeded() any longer | |
1050 | if ( !text.empty() ) | |
1051 | { | |
1052 | SetUpdateFont(false); | |
1053 | } | |
1054 | ||
1055 | // Bring editable's cursor back uptodate. | |
1056 | SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); | |
1057 | #endif // GTK 1.x/2.0 | |
1058 | } | |
1059 | else // single line | |
1060 | { | |
1061 | // First remove the selection if there is one | |
1062 | gtk_editable_delete_selection( GTK_EDITABLE(m_text) ); | |
1063 | ||
1064 | // This moves the cursor pos to behind the inserted text. | |
1065 | gint len = GET_EDITABLE_POS(m_text); | |
1066 | ||
1067 | #ifdef __WXGTK20__ | |
1068 | ||
1069 | #if wxUSE_UNICODE | |
1070 | wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) ); | |
1071 | #else | |
1072 | wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) ); | |
1073 | #endif | |
1074 | if ( !buffer ) | |
1075 | { | |
1076 | // what else can we do? at least don't crash... | |
1077 | return; | |
1078 | } | |
1079 | ||
1080 | gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len ); | |
1081 | ||
1082 | #else | |
1083 | gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len ); | |
1084 | #endif | |
1085 | ||
1086 | // Bring entry's cursor uptodate. | |
1087 | gtk_entry_set_position( GTK_ENTRY(m_text), len ); | |
1088 | } | |
1089 | ||
1090 | m_modified = oldModified; | |
1091 | } | |
1092 | ||
1093 | void wxTextCtrl::AppendText( const wxString &text ) | |
1094 | { | |
1095 | SetInsertionPointEnd(); | |
1096 | WriteText( text ); | |
1097 | } | |
1098 | ||
1099 | wxString wxTextCtrl::GetLineText( long lineNo ) const | |
1100 | { | |
1101 | if (m_windowStyle & wxTE_MULTILINE) | |
1102 | { | |
1103 | #ifndef __WXGTK20__ | |
1104 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); | |
1105 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); | |
1106 | ||
1107 | if (text) | |
1108 | { | |
1109 | wxString buf; | |
1110 | long i; | |
1111 | int currentLine = 0; | |
1112 | for (i = 0; currentLine != lineNo && text[i]; i++ ) | |
1113 | if (text[i] == '\n') | |
1114 | currentLine++; | |
1115 | // Now get the text | |
1116 | int j; | |
1117 | for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) | |
1118 | buf += text[i]; | |
1119 | ||
1120 | g_free( text ); | |
1121 | return buf; | |
1122 | } | |
1123 | else | |
1124 | { | |
1125 | return wxEmptyString; | |
1126 | } | |
1127 | #else | |
1128 | GtkTextIter line; | |
1129 | gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo); | |
1130 | GtkTextIter end = line; | |
1131 | gtk_text_iter_forward_to_line_end(&end); | |
1132 | gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE); | |
1133 | wxString result(wxGTK_CONV_BACK(text)); | |
1134 | g_free(text); | |
1135 | return result; | |
1136 | #endif | |
1137 | } | |
1138 | else | |
1139 | { | |
1140 | if (lineNo == 0) return GetValue(); | |
1141 | return wxEmptyString; | |
1142 | } | |
1143 | } | |
1144 | ||
1145 | void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) | |
1146 | { | |
1147 | /* If you implement this, don't forget to update the documentation! | |
1148 | * (file docs/latex/wx/text.tex) */ | |
1149 | wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") ); | |
1150 | } | |
1151 | ||
1152 | bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const | |
1153 | { | |
1154 | if ( m_windowStyle & wxTE_MULTILINE ) | |
1155 | { | |
1156 | #ifdef __WXGTK20__ | |
1157 | GtkTextIter iter; | |
1158 | gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos); | |
1159 | if (gtk_text_iter_is_end(&iter)) | |
1160 | return false; | |
1161 | ||
1162 | *y = gtk_text_iter_get_line(&iter); | |
1163 | *x = gtk_text_iter_get_line_offset(&iter); | |
1164 | #else | |
1165 | wxString text = GetValue(); | |
1166 | ||
1167 | // cast to prevent warning. But pos really should've been unsigned. | |
1168 | if( (unsigned long)pos > text.Len() ) | |
1169 | return false; | |
1170 | ||
1171 | *x=0; // First Col | |
1172 | *y=0; // First Line | |
1173 | ||
1174 | const wxChar* stop = text.c_str() + pos; | |
1175 | for ( const wxChar *p = text.c_str(); p < stop; p++ ) | |
1176 | { | |
1177 | if (*p == wxT('\n')) | |
1178 | { | |
1179 | (*y)++; | |
1180 | *x=0; | |
1181 | } | |
1182 | else | |
1183 | (*x)++; | |
1184 | } | |
1185 | #endif | |
1186 | } | |
1187 | else // single line control | |
1188 | { | |
1189 | if ( pos <= GTK_ENTRY(m_text)->text_length ) | |
1190 | { | |
1191 | *y = 0; | |
1192 | *x = pos; | |
1193 | } | |
1194 | else | |
1195 | { | |
1196 | // index out of bounds | |
1197 | return false; | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | return true; | |
1202 | } | |
1203 | ||
1204 | long wxTextCtrl::XYToPosition(long x, long y ) const | |
1205 | { | |
1206 | if (!(m_windowStyle & wxTE_MULTILINE)) return 0; | |
1207 | ||
1208 | #ifdef __WXGTK20__ | |
1209 | GtkTextIter iter; | |
1210 | if (y >= gtk_text_buffer_get_line_count (m_buffer)) | |
1211 | return -1; | |
1212 | ||
1213 | gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y); | |
1214 | if (x >= gtk_text_iter_get_chars_in_line (&iter)) | |
1215 | return -1; | |
1216 | ||
1217 | return gtk_text_iter_get_offset(&iter) + x; | |
1218 | #else | |
1219 | long pos=0; | |
1220 | for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n' | |
1221 | ||
1222 | pos += x; | |
1223 | return pos; | |
1224 | #endif | |
1225 | } | |
1226 | ||
1227 | int wxTextCtrl::GetLineLength(long lineNo) const | |
1228 | { | |
1229 | #ifdef __WXGTK20__ | |
1230 | if (m_windowStyle & wxTE_MULTILINE) | |
1231 | { | |
1232 | int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1; | |
1233 | if (lineNo > last_line) | |
1234 | return -1; | |
1235 | ||
1236 | GtkTextIter iter; | |
1237 | gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo); | |
1238 | // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line | |
1239 | return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1); | |
1240 | } | |
1241 | else | |
1242 | #endif | |
1243 | { | |
1244 | wxString str = GetLineText (lineNo); | |
1245 | return (int) str.Length(); | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | int wxTextCtrl::GetNumberOfLines() const | |
1250 | { | |
1251 | if (m_windowStyle & wxTE_MULTILINE) | |
1252 | { | |
1253 | #ifdef __WXGTK20__ | |
1254 | return gtk_text_buffer_get_line_count( m_buffer ); | |
1255 | #else | |
1256 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); | |
1257 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); | |
1258 | ||
1259 | if (text) | |
1260 | { | |
1261 | int currentLine = 0; | |
1262 | for (int i = 0; i < len; i++ ) | |
1263 | { | |
1264 | if (text[i] == '\n') | |
1265 | currentLine++; | |
1266 | } | |
1267 | g_free( text ); | |
1268 | ||
1269 | // currentLine is 0 based, add 1 to get number of lines | |
1270 | return currentLine + 1; | |
1271 | } | |
1272 | else | |
1273 | { | |
1274 | return 0; | |
1275 | } | |
1276 | #endif | |
1277 | } | |
1278 | else | |
1279 | { | |
1280 | return 1; | |
1281 | } | |
1282 | } | |
1283 | ||
1284 | void wxTextCtrl::SetInsertionPoint( long pos ) | |
1285 | { | |
1286 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1287 | ||
1288 | if ( IsMultiLine() ) | |
1289 | { | |
1290 | #ifdef __WXGTK20__ | |
1291 | GtkTextIter iter; | |
1292 | gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos ); | |
1293 | gtk_text_buffer_place_cursor( m_buffer, &iter ); | |
1294 | gtk_text_view_scroll_mark_onscreen | |
1295 | ( | |
1296 | GTK_TEXT_VIEW(m_text), | |
1297 | gtk_text_buffer_get_insert( m_buffer ) | |
1298 | ); | |
1299 | #else // GTK+ 1.x | |
1300 | gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), | |
1301 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); | |
1302 | ||
1303 | /* we fake a set_point by inserting and deleting. as the user | |
1304 | isn't supposed to get to know about this non-sense, we | |
1305 | disconnect so that no events are sent to the user program. */ | |
1306 | ||
1307 | gint tmp = (gint)pos; | |
1308 | gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp ); | |
1309 | gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp ); | |
1310 | ||
1311 | gtk_signal_connect( GTK_OBJECT(m_text), "changed", | |
1312 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); | |
1313 | ||
1314 | // bring editable's cursor uptodate. Bug in GTK. | |
1315 | SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) )); | |
1316 | #endif // GTK+ 2/1 | |
1317 | } | |
1318 | else | |
1319 | { | |
1320 | gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos ); | |
1321 | ||
1322 | // Bring editable's cursor uptodate. Bug in GTK. | |
1323 | SET_EDITABLE_POS(m_text, (guint32)pos); | |
1324 | } | |
1325 | } | |
1326 | ||
1327 | void wxTextCtrl::SetInsertionPointEnd() | |
1328 | { | |
1329 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1330 | ||
1331 | if (m_windowStyle & wxTE_MULTILINE) | |
1332 | { | |
1333 | #ifdef __WXGTK20__ | |
1334 | GtkTextIter end; | |
1335 | gtk_text_buffer_get_end_iter( m_buffer, &end ); | |
1336 | gtk_text_buffer_place_cursor( m_buffer, &end ); | |
1337 | #else | |
1338 | SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text))); | |
1339 | #endif | |
1340 | } | |
1341 | else | |
1342 | { | |
1343 | gtk_entry_set_position( GTK_ENTRY(m_text), -1 ); | |
1344 | } | |
1345 | } | |
1346 | ||
1347 | void wxTextCtrl::SetEditable( bool editable ) | |
1348 | { | |
1349 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1350 | ||
1351 | if (m_windowStyle & wxTE_MULTILINE) | |
1352 | { | |
1353 | #ifdef __WXGTK20__ | |
1354 | gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable ); | |
1355 | #else | |
1356 | gtk_text_set_editable( GTK_TEXT(m_text), editable ); | |
1357 | #endif | |
1358 | } | |
1359 | else | |
1360 | { | |
1361 | gtk_entry_set_editable( GTK_ENTRY(m_text), editable ); | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | bool wxTextCtrl::Enable( bool enable ) | |
1366 | { | |
1367 | if (!wxWindowBase::Enable(enable)) | |
1368 | { | |
1369 | // nothing to do | |
1370 | return false; | |
1371 | } | |
1372 | ||
1373 | if (m_windowStyle & wxTE_MULTILINE) | |
1374 | { | |
1375 | #ifdef __WXGTK20__ | |
1376 | SetEditable( enable ); | |
1377 | #else | |
1378 | gtk_text_set_editable( GTK_TEXT(m_text), enable ); | |
1379 | OnParentEnable(enable); | |
1380 | #endif | |
1381 | } | |
1382 | else | |
1383 | { | |
1384 | gtk_widget_set_sensitive( m_text, enable ); | |
1385 | } | |
1386 | ||
1387 | return true; | |
1388 | } | |
1389 | ||
1390 | // wxGTK-specific: called recursively by Enable, | |
1391 | // to give widgets an oppprtunity to correct their colours after they | |
1392 | // have been changed by Enable | |
1393 | void wxTextCtrl::OnParentEnable( bool enable ) | |
1394 | { | |
1395 | // If we have a custom background colour, we use this colour in both | |
1396 | // disabled and enabled mode, or we end up with a different colour under the | |
1397 | // text. | |
1398 | wxColour oldColour = GetBackgroundColour(); | |
1399 | if (oldColour.Ok()) | |
1400 | { | |
1401 | // Need to set twice or it'll optimize the useful stuff out | |
1402 | if (oldColour == * wxWHITE) | |
1403 | SetBackgroundColour(*wxBLACK); | |
1404 | else | |
1405 | SetBackgroundColour(*wxWHITE); | |
1406 | SetBackgroundColour(oldColour); | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | void wxTextCtrl::MarkDirty() | |
1411 | { | |
1412 | m_modified = true; | |
1413 | } | |
1414 | ||
1415 | void wxTextCtrl::DiscardEdits() | |
1416 | { | |
1417 | m_modified = false; | |
1418 | } | |
1419 | ||
1420 | // ---------------------------------------------------------------------------- | |
1421 | // max text length support | |
1422 | // ---------------------------------------------------------------------------- | |
1423 | ||
1424 | void wxTextCtrl::IgnoreNextTextUpdate() | |
1425 | { | |
1426 | m_ignoreNextUpdate = true; | |
1427 | } | |
1428 | ||
1429 | bool wxTextCtrl::IgnoreTextUpdate() | |
1430 | { | |
1431 | if ( m_ignoreNextUpdate ) | |
1432 | { | |
1433 | m_ignoreNextUpdate = false; | |
1434 | ||
1435 | return true; | |
1436 | } | |
1437 | ||
1438 | return false; | |
1439 | } | |
1440 | ||
1441 | void wxTextCtrl::SetMaxLength(unsigned long len) | |
1442 | { | |
1443 | if ( !HasFlag(wxTE_MULTILINE) ) | |
1444 | { | |
1445 | gtk_entry_set_max_length(GTK_ENTRY(m_text), len); | |
1446 | ||
1447 | // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if | |
1448 | // we had tried to enter more text than allowed by max text length and | |
1449 | // the text wasn't really changed | |
1450 | // | |
1451 | // to detect this and generate TEXT_MAXLEN event instead of | |
1452 | // TEXT_CHANGED one in this case we also catch "insert_text" signal | |
1453 | // | |
1454 | // when max len is set to 0 we disconnect our handler as it means that | |
1455 | // we shouldn't check anything any more | |
1456 | if ( len ) | |
1457 | { | |
1458 | gtk_signal_connect( GTK_OBJECT(m_text), | |
1459 | "insert_text", | |
1460 | GTK_SIGNAL_FUNC(gtk_insert_text_callback), | |
1461 | (gpointer)this); | |
1462 | } | |
1463 | else // no checking | |
1464 | { | |
1465 | gtk_signal_disconnect_by_func | |
1466 | ( | |
1467 | GTK_OBJECT(m_text), | |
1468 | GTK_SIGNAL_FUNC(gtk_insert_text_callback), | |
1469 | (gpointer)this | |
1470 | ); | |
1471 | } | |
1472 | } | |
1473 | } | |
1474 | ||
1475 | void wxTextCtrl::SetSelection( long from, long to ) | |
1476 | { | |
1477 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1478 | ||
1479 | if (from == -1 && to == -1) | |
1480 | { | |
1481 | from = 0; | |
1482 | to = GetValue().Length(); | |
1483 | } | |
1484 | ||
1485 | #ifndef __WXGTK20__ | |
1486 | if ( (m_windowStyle & wxTE_MULTILINE) && | |
1487 | !GTK_TEXT(m_text)->line_start_cache ) | |
1488 | { | |
1489 | // tell the programmer that it didn't work | |
1490 | wxLogDebug(_T("Can't call SetSelection() before realizing the control")); | |
1491 | return; | |
1492 | } | |
1493 | #endif | |
1494 | ||
1495 | if (m_windowStyle & wxTE_MULTILINE) | |
1496 | { | |
1497 | #ifdef __WXGTK20__ | |
1498 | GtkTextIter fromi, toi; | |
1499 | gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from ); | |
1500 | gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to ); | |
1501 | ||
1502 | gtk_text_buffer_place_cursor( m_buffer, &toi ); | |
1503 | gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi ); | |
1504 | #else | |
1505 | gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); | |
1506 | #endif | |
1507 | } | |
1508 | else | |
1509 | { | |
1510 | gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); | |
1511 | } | |
1512 | } | |
1513 | ||
1514 | void wxTextCtrl::ShowPosition( long pos ) | |
1515 | { | |
1516 | if (m_windowStyle & wxTE_MULTILINE) | |
1517 | { | |
1518 | #ifdef __WXGTK20__ | |
1519 | GtkTextIter iter; | |
1520 | gtk_text_buffer_get_start_iter( m_buffer, &iter ); | |
1521 | gtk_text_iter_set_offset( &iter, pos ); | |
1522 | GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE ); | |
1523 | gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 ); | |
1524 | #else // GTK 1.x | |
1525 | GtkAdjustment *vp = GTK_TEXT(m_text)->vadj; | |
1526 | float totalLines = (float) GetNumberOfLines(); | |
1527 | long posX; | |
1528 | long posY; | |
1529 | PositionToXY(pos, &posX, &posY); | |
1530 | float posLine = (float) posY; | |
1531 | float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower; | |
1532 | gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p); | |
1533 | #endif // GTK 1.x/2.x | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | #ifdef __WXGTK20__ | |
1538 | ||
1539 | wxTextCtrlHitTestResult | |
1540 | wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const | |
1541 | { | |
1542 | if ( !IsMultiLine() ) | |
1543 | { | |
1544 | // not supported | |
1545 | return wxTE_HT_UNKNOWN; | |
1546 | } | |
1547 | ||
1548 | int x, y; | |
1549 | gtk_text_view_window_to_buffer_coords | |
1550 | ( | |
1551 | GTK_TEXT_VIEW(m_text), | |
1552 | GTK_TEXT_WINDOW_TEXT, | |
1553 | pt.x, pt.y, | |
1554 | &x, &y | |
1555 | ); | |
1556 | ||
1557 | GtkTextIter iter; | |
1558 | gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y); | |
1559 | if ( pos ) | |
1560 | *pos = gtk_text_iter_get_offset(&iter); | |
1561 | ||
1562 | return wxTE_HT_ON_TEXT; | |
1563 | } | |
1564 | ||
1565 | #endif // __WXGTK20__ | |
1566 | ||
1567 | long wxTextCtrl::GetInsertionPoint() const | |
1568 | { | |
1569 | wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); | |
1570 | ||
1571 | #ifdef __WXGTK20__ | |
1572 | if (m_windowStyle & wxTE_MULTILINE) | |
1573 | { | |
1574 | // There is no direct accessor for the cursor, but | |
1575 | // internally, the cursor is the "mark" called | |
1576 | // "insert" in the text view's btree structure. | |
1577 | ||
1578 | GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer ); | |
1579 | GtkTextIter cursor; | |
1580 | gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark ); | |
1581 | ||
1582 | return gtk_text_iter_get_offset( &cursor ); | |
1583 | } | |
1584 | else | |
1585 | #endif | |
1586 | { | |
1587 | return (long) GET_EDITABLE_POS(m_text); | |
1588 | } | |
1589 | } | |
1590 | ||
1591 | wxTextPos wxTextCtrl::GetLastPosition() const | |
1592 | { | |
1593 | wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); | |
1594 | ||
1595 | int pos = 0; | |
1596 | ||
1597 | if (m_windowStyle & wxTE_MULTILINE) | |
1598 | { | |
1599 | #ifdef __WXGTK20__ | |
1600 | GtkTextIter end; | |
1601 | gtk_text_buffer_get_end_iter( m_buffer, &end ); | |
1602 | ||
1603 | pos = gtk_text_iter_get_offset( &end ); | |
1604 | #else | |
1605 | pos = gtk_text_get_length( GTK_TEXT(m_text) ); | |
1606 | #endif | |
1607 | } | |
1608 | else | |
1609 | { | |
1610 | pos = GTK_ENTRY(m_text)->text_length; | |
1611 | } | |
1612 | ||
1613 | return (long)pos; | |
1614 | } | |
1615 | ||
1616 | void wxTextCtrl::Remove( long from, long to ) | |
1617 | { | |
1618 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1619 | ||
1620 | #ifdef __WXGTK20__ | |
1621 | if (m_windowStyle & wxTE_MULTILINE) | |
1622 | { | |
1623 | GtkTextIter fromi, toi; | |
1624 | gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from ); | |
1625 | gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to ); | |
1626 | ||
1627 | gtk_text_buffer_delete( m_buffer, &fromi, &toi ); | |
1628 | } | |
1629 | else // single line | |
1630 | #endif | |
1631 | gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); | |
1632 | } | |
1633 | ||
1634 | void wxTextCtrl::Replace( long from, long to, const wxString &value ) | |
1635 | { | |
1636 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1637 | ||
1638 | Remove( from, to ); | |
1639 | ||
1640 | if (!value.empty()) | |
1641 | { | |
1642 | #ifdef __WXGTK20__ | |
1643 | SetInsertionPoint( from ); | |
1644 | WriteText( value ); | |
1645 | #else // GTK 1.x | |
1646 | gint pos = (gint)from; | |
1647 | #if wxUSE_UNICODE | |
1648 | wxWX2MBbuf buf = value.mbc_str(); | |
1649 | gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos ); | |
1650 | #else | |
1651 | gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); | |
1652 | #endif // wxUSE_UNICODE | |
1653 | #endif // GTK 1.x/2.x | |
1654 | } | |
1655 | } | |
1656 | ||
1657 | void wxTextCtrl::Cut() | |
1658 | { | |
1659 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1660 | ||
1661 | #ifdef __WXGTK20__ | |
1662 | if (m_windowStyle & wxTE_MULTILINE) | |
1663 | g_signal_emit_by_name(m_text, "cut-clipboard"); | |
1664 | else | |
1665 | #endif | |
1666 | gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); | |
1667 | } | |
1668 | ||
1669 | void wxTextCtrl::Copy() | |
1670 | { | |
1671 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1672 | ||
1673 | #ifdef __WXGTK20__ | |
1674 | if (m_windowStyle & wxTE_MULTILINE) | |
1675 | g_signal_emit_by_name(m_text, "copy-clipboard"); | |
1676 | else | |
1677 | #endif | |
1678 | gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); | |
1679 | } | |
1680 | ||
1681 | void wxTextCtrl::Paste() | |
1682 | { | |
1683 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1684 | ||
1685 | #ifdef __WXGTK20__ | |
1686 | if (m_windowStyle & wxTE_MULTILINE) | |
1687 | g_signal_emit_by_name(m_text, "paste-clipboard"); | |
1688 | else | |
1689 | #endif | |
1690 | gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG); | |
1691 | } | |
1692 | ||
1693 | // Undo/redo | |
1694 | void wxTextCtrl::Undo() | |
1695 | { | |
1696 | // TODO | |
1697 | wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") ); | |
1698 | } | |
1699 | ||
1700 | void wxTextCtrl::Redo() | |
1701 | { | |
1702 | // TODO | |
1703 | wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") ); | |
1704 | } | |
1705 | ||
1706 | bool wxTextCtrl::CanUndo() const | |
1707 | { | |
1708 | // TODO | |
1709 | //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); | |
1710 | return false; | |
1711 | } | |
1712 | ||
1713 | bool wxTextCtrl::CanRedo() const | |
1714 | { | |
1715 | // TODO | |
1716 | //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); | |
1717 | return false; | |
1718 | } | |
1719 | ||
1720 | // If the return values from and to are the same, there is no | |
1721 | // selection. | |
1722 | void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const | |
1723 | { | |
1724 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1725 | ||
1726 | gint from = -1; | |
1727 | gint to = -1; | |
1728 | bool haveSelection = false; | |
1729 | ||
1730 | #ifdef __WXGTK20__ | |
1731 | if (m_windowStyle & wxTE_MULTILINE) | |
1732 | { | |
1733 | GtkTextIter ifrom, ito; | |
1734 | if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) ) | |
1735 | { | |
1736 | haveSelection = true; | |
1737 | from = gtk_text_iter_get_offset(&ifrom); | |
1738 | to = gtk_text_iter_get_offset(&ito); | |
1739 | } | |
1740 | } | |
1741 | else // not multi-line | |
1742 | { | |
1743 | if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text), | |
1744 | &from, &to) ) | |
1745 | { | |
1746 | haveSelection = true; | |
1747 | } | |
1748 | } | |
1749 | #else // not GTK2 | |
1750 | if ( (GTK_EDITABLE(m_text)->has_selection) ) | |
1751 | { | |
1752 | haveSelection = true; | |
1753 | from = (long) GTK_EDITABLE(m_text)->selection_start_pos; | |
1754 | to = (long) GTK_EDITABLE(m_text)->selection_end_pos; | |
1755 | } | |
1756 | #endif | |
1757 | ||
1758 | if (! haveSelection ) | |
1759 | from = to = GetInsertionPoint(); | |
1760 | ||
1761 | if ( from > to ) | |
1762 | { | |
1763 | // exchange them to be compatible with wxMSW | |
1764 | gint tmp = from; | |
1765 | from = to; | |
1766 | to = tmp; | |
1767 | } | |
1768 | ||
1769 | if ( fromOut ) | |
1770 | *fromOut = from; | |
1771 | if ( toOut ) | |
1772 | *toOut = to; | |
1773 | } | |
1774 | ||
1775 | ||
1776 | bool wxTextCtrl::IsEditable() const | |
1777 | { | |
1778 | wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); | |
1779 | ||
1780 | #ifdef __WXGTK20__ | |
1781 | if (m_windowStyle & wxTE_MULTILINE) | |
1782 | { | |
1783 | return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text)); | |
1784 | } | |
1785 | else | |
1786 | { | |
1787 | return gtk_editable_get_editable(GTK_EDITABLE(m_text)); | |
1788 | } | |
1789 | #else | |
1790 | return GTK_EDITABLE(m_text)->editable; | |
1791 | #endif | |
1792 | } | |
1793 | ||
1794 | bool wxTextCtrl::IsModified() const | |
1795 | { | |
1796 | return m_modified; | |
1797 | } | |
1798 | ||
1799 | void wxTextCtrl::Clear() | |
1800 | { | |
1801 | SetValue( wxEmptyString ); | |
1802 | } | |
1803 | ||
1804 | void wxTextCtrl::OnChar( wxKeyEvent &key_event ) | |
1805 | { | |
1806 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
1807 | ||
1808 | if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) | |
1809 | { | |
1810 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); | |
1811 | event.SetEventObject(this); | |
1812 | event.SetString(GetValue()); | |
1813 | if (GetEventHandler()->ProcessEvent(event)) return; | |
1814 | } | |
1815 | ||
1816 | if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE)) | |
1817 | { | |
1818 | // This will invoke the dialog default action, such | |
1819 | // as the clicking the default button. | |
1820 | ||
1821 | wxWindow *top_frame = m_parent; | |
1822 | while (top_frame->GetParent() && !(top_frame->IsTopLevel())) | |
1823 | top_frame = top_frame->GetParent(); | |
1824 | ||
1825 | if (top_frame && GTK_IS_WINDOW(top_frame->m_widget)) | |
1826 | { | |
1827 | GtkWindow *window = GTK_WINDOW(top_frame->m_widget); | |
1828 | ||
1829 | if (window->default_widget) | |
1830 | { | |
1831 | gtk_widget_activate (window->default_widget); | |
1832 | return; | |
1833 | } | |
1834 | } | |
1835 | } | |
1836 | ||
1837 | key_event.Skip(); | |
1838 | } | |
1839 | ||
1840 | GtkWidget* wxTextCtrl::GetConnectWidget() | |
1841 | { | |
1842 | return GTK_WIDGET(m_text); | |
1843 | } | |
1844 | ||
1845 | bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) | |
1846 | { | |
1847 | if (m_windowStyle & wxTE_MULTILINE) | |
1848 | { | |
1849 | #ifdef __WXGTK20__ | |
1850 | return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork | |
1851 | #else | |
1852 | return (window == GTK_TEXT(m_text)->text_area); | |
1853 | #endif | |
1854 | } | |
1855 | else | |
1856 | { | |
1857 | return (window == GTK_ENTRY(m_text)->text_area); | |
1858 | } | |
1859 | } | |
1860 | ||
1861 | // the font will change for subsequent text insertiongs | |
1862 | bool wxTextCtrl::SetFont( const wxFont &font ) | |
1863 | { | |
1864 | wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); | |
1865 | ||
1866 | if ( !wxTextCtrlBase::SetFont(font) ) | |
1867 | { | |
1868 | // font didn't change, nothing to do | |
1869 | return false; | |
1870 | } | |
1871 | ||
1872 | if ( m_windowStyle & wxTE_MULTILINE ) | |
1873 | { | |
1874 | SetUpdateFont(true); | |
1875 | ||
1876 | m_defaultStyle.SetFont(font); | |
1877 | ||
1878 | ChangeFontGlobally(); | |
1879 | } | |
1880 | ||
1881 | return true; | |
1882 | } | |
1883 | ||
1884 | void wxTextCtrl::ChangeFontGlobally() | |
1885 | { | |
1886 | // this method is very inefficient and hence should be called as rarely as | |
1887 | // possible! | |
1888 | // | |
1889 | // TODO: it can be implemented much more efficiently for GTK2 | |
1890 | #ifndef __WXGTK20__ | |
1891 | wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont, | |
1892 | ||
1893 | _T("shouldn't be called for single line controls") ); | |
1894 | #else | |
1895 | wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE), | |
1896 | _T("shouldn't be called for single line controls") ); | |
1897 | #endif | |
1898 | ||
1899 | wxString value = GetValue(); | |
1900 | if ( !value.empty() ) | |
1901 | { | |
1902 | SetUpdateFont(false); | |
1903 | ||
1904 | Clear(); | |
1905 | AppendText(value); | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | #ifndef __WXGTK20__ | |
1910 | ||
1911 | void wxTextCtrl::UpdateFontIfNeeded() | |
1912 | { | |
1913 | if ( m_updateFont ) | |
1914 | ChangeFontGlobally(); | |
1915 | } | |
1916 | ||
1917 | #endif // GTK+ 1.x | |
1918 | ||
1919 | bool wxTextCtrl::SetForegroundColour(const wxColour& colour) | |
1920 | { | |
1921 | if ( !wxControl::SetForegroundColour(colour) ) | |
1922 | return false; | |
1923 | ||
1924 | // update default fg colour too | |
1925 | m_defaultStyle.SetTextColour(colour); | |
1926 | ||
1927 | return true; | |
1928 | } | |
1929 | ||
1930 | bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) | |
1931 | { | |
1932 | wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") ); | |
1933 | ||
1934 | if ( !wxControl::SetBackgroundColour( colour ) ) | |
1935 | return false; | |
1936 | ||
1937 | #ifndef __WXGTK20__ | |
1938 | if (!m_widget->window) | |
1939 | return false; | |
1940 | #endif | |
1941 | ||
1942 | if (!m_backgroundColour.Ok()) | |
1943 | return false; | |
1944 | ||
1945 | if (m_windowStyle & wxTE_MULTILINE) | |
1946 | { | |
1947 | #ifndef __WXGTK20__ | |
1948 | GdkWindow *window = GTK_TEXT(m_text)->text_area; | |
1949 | if (!window) | |
1950 | return false; | |
1951 | m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) ); | |
1952 | gdk_window_set_background( window, m_backgroundColour.GetColor() ); | |
1953 | gdk_window_clear( window ); | |
1954 | #endif | |
1955 | } | |
1956 | ||
1957 | // change active background color too | |
1958 | m_defaultStyle.SetBackgroundColour( colour ); | |
1959 | ||
1960 | return true; | |
1961 | } | |
1962 | ||
1963 | bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style ) | |
1964 | { | |
1965 | if ( m_windowStyle & wxTE_MULTILINE ) | |
1966 | { | |
1967 | if ( style.IsDefault() ) | |
1968 | { | |
1969 | // nothing to do | |
1970 | return true; | |
1971 | } | |
1972 | ||
1973 | #ifdef __WXGTK20__ | |
1974 | gint l = gtk_text_buffer_get_char_count( m_buffer ); | |
1975 | ||
1976 | wxCHECK_MSG( start >= 0 && end <= l, false, | |
1977 | _T("invalid range in wxTextCtrl::SetStyle") ); | |
1978 | ||
1979 | GtkTextIter starti, endi; | |
1980 | gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start ); | |
1981 | gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end ); | |
1982 | ||
1983 | // use the attributes from style which are set in it and fall back | |
1984 | // first to the default style and then to the text control default | |
1985 | // colours for the others | |
1986 | wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this); | |
1987 | ||
1988 | wxGtkTextApplyTagsFromAttr( m_buffer, attr, &starti, &endi ); | |
1989 | #else | |
1990 | // VERY dirty way to do that - removes the required text and re-adds it | |
1991 | // with styling (FIXME) | |
1992 | ||
1993 | gint l = gtk_text_get_length( GTK_TEXT(m_text) ); | |
1994 | ||
1995 | wxCHECK_MSG( start >= 0 && end <= l, false, | |
1996 | _T("invalid range in wxTextCtrl::SetStyle") ); | |
1997 | ||
1998 | gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) ); | |
1999 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end ); | |
2000 | wxString tmp(text,*wxConvCurrent); | |
2001 | g_free( text ); | |
2002 | ||
2003 | gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end ); | |
2004 | gtk_editable_set_position( GTK_EDITABLE(m_text), start ); | |
2005 | ||
2006 | #if wxUSE_UNICODE | |
2007 | wxWX2MBbuf buf = tmp.mbc_str(); | |
2008 | const char *txt = buf; | |
2009 | size_t txtlen = strlen(buf); | |
2010 | #else | |
2011 | const char *txt = tmp; | |
2012 | size_t txtlen = tmp.length(); | |
2013 | #endif | |
2014 | ||
2015 | // use the attributes from style which are set in it and fall back | |
2016 | // first to the default style and then to the text control default | |
2017 | // colours for the others | |
2018 | wxGtkTextInsert(m_text, | |
2019 | wxTextAttr::Combine(style, m_defaultStyle, this), | |
2020 | txt, | |
2021 | txtlen); | |
2022 | ||
2023 | /* does not seem to help under GTK+ 1.2 !!! | |
2024 | gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */ | |
2025 | SetInsertionPoint( old_pos ); | |
2026 | #endif | |
2027 | ||
2028 | return true; | |
2029 | } | |
2030 | ||
2031 | // else single line | |
2032 | // cannot do this for GTK+'s Entry widget | |
2033 | return false; | |
2034 | } | |
2035 | ||
2036 | void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style) | |
2037 | { | |
2038 | gtk_widget_modify_style(m_text, style); | |
2039 | } | |
2040 | ||
2041 | void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) | |
2042 | { | |
2043 | Cut(); | |
2044 | } | |
2045 | ||
2046 | void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) | |
2047 | { | |
2048 | Copy(); | |
2049 | } | |
2050 | ||
2051 | void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) | |
2052 | { | |
2053 | Paste(); | |
2054 | } | |
2055 | ||
2056 | void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) | |
2057 | { | |
2058 | Undo(); | |
2059 | } | |
2060 | ||
2061 | void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) | |
2062 | { | |
2063 | Redo(); | |
2064 | } | |
2065 | ||
2066 | void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) | |
2067 | { | |
2068 | event.Enable( CanCut() ); | |
2069 | } | |
2070 | ||
2071 | void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) | |
2072 | { | |
2073 | event.Enable( CanCopy() ); | |
2074 | } | |
2075 | ||
2076 | void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) | |
2077 | { | |
2078 | event.Enable( CanPaste() ); | |
2079 | } | |
2080 | ||
2081 | void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) | |
2082 | { | |
2083 | event.Enable( CanUndo() ); | |
2084 | } | |
2085 | ||
2086 | void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) | |
2087 | { | |
2088 | event.Enable( CanRedo() ); | |
2089 | } | |
2090 | ||
2091 | void wxTextCtrl::OnInternalIdle() | |
2092 | { | |
2093 | wxCursor cursor = m_cursor; | |
2094 | if (g_globalCursor.Ok()) cursor = g_globalCursor; | |
2095 | ||
2096 | if (cursor.Ok()) | |
2097 | { | |
2098 | #ifndef __WXGTK20__ | |
2099 | GdkWindow *window = (GdkWindow*) NULL; | |
2100 | if (HasFlag(wxTE_MULTILINE)) | |
2101 | window = GTK_TEXT(m_text)->text_area; | |
2102 | else | |
2103 | window = GTK_ENTRY(m_text)->text_area; | |
2104 | ||
2105 | if (window) | |
2106 | gdk_window_set_cursor( window, cursor.GetCursor() ); | |
2107 | ||
2108 | if (!g_globalCursor.Ok()) | |
2109 | cursor = *wxSTANDARD_CURSOR; | |
2110 | ||
2111 | window = m_widget->window; | |
2112 | if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget))) | |
2113 | gdk_window_set_cursor( window, cursor.GetCursor() ); | |
2114 | #endif | |
2115 | } | |
2116 | ||
2117 | if (g_delayedFocus == this) | |
2118 | { | |
2119 | if (GTK_WIDGET_REALIZED(m_widget)) | |
2120 | { | |
2121 | gtk_widget_grab_focus( m_widget ); | |
2122 | g_delayedFocus = NULL; | |
2123 | } | |
2124 | } | |
2125 | ||
2126 | if (wxUpdateUIEvent::CanUpdate(this)) | |
2127 | UpdateWindowUI(wxUPDATE_UI_FROMIDLE); | |
2128 | } | |
2129 | ||
2130 | wxSize wxTextCtrl::DoGetBestSize() const | |
2131 | { | |
2132 | // FIXME should be different for multi-line controls... | |
2133 | wxSize ret( wxControl::DoGetBestSize() ); | |
2134 | wxSize best(80, ret.y); | |
2135 | CacheBestSize(best); | |
2136 | return best; | |
2137 | } | |
2138 | ||
2139 | // ---------------------------------------------------------------------------- | |
2140 | // freeze/thaw | |
2141 | // ---------------------------------------------------------------------------- | |
2142 | ||
2143 | void wxTextCtrl::Freeze() | |
2144 | { | |
2145 | if ( HasFlag(wxTE_MULTILINE) ) | |
2146 | { | |
2147 | #ifdef __WXGTK20__ | |
2148 | if ( !m_frozenness++ ) | |
2149 | { | |
2150 | // freeze textview updates and remove buffer | |
2151 | g_signal_connect( G_OBJECT(m_text), "expose_event", | |
2152 | GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this); | |
2153 | g_signal_connect( G_OBJECT(m_widget), "expose_event", | |
2154 | GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this); | |
2155 | gtk_widget_set_sensitive(m_widget, false); | |
2156 | g_object_ref(m_buffer); | |
2157 | gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL)); | |
2158 | } | |
2159 | #else | |
2160 | gtk_text_freeze(GTK_TEXT(m_text)); | |
2161 | #endif | |
2162 | } | |
2163 | } | |
2164 | ||
2165 | void wxTextCtrl::Thaw() | |
2166 | { | |
2167 | if ( HasFlag(wxTE_MULTILINE) ) | |
2168 | { | |
2169 | #ifdef __WXGTK20__ | |
2170 | wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") ); | |
2171 | ||
2172 | if ( !--m_frozenness ) | |
2173 | { | |
2174 | // Reattach buffer and thaw textview updates | |
2175 | gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer); | |
2176 | g_object_unref(m_buffer); | |
2177 | gtk_widget_set_sensitive(m_widget, true); | |
2178 | g_signal_handlers_disconnect_by_func(m_widget, (gpointer)gtk_text_exposed_callback, this); | |
2179 | g_signal_handlers_disconnect_by_func(m_text, (gpointer)gtk_text_exposed_callback, this); | |
2180 | } | |
2181 | #else | |
2182 | GTK_TEXT(m_text)->vadj->value = 0.0; | |
2183 | ||
2184 | gtk_text_thaw(GTK_TEXT(m_text)); | |
2185 | #endif | |
2186 | } | |
2187 | } | |
2188 | ||
2189 | // ---------------------------------------------------------------------------- | |
2190 | // wxTextUrlEvent passing if style & wxTE_AUTO_URL | |
2191 | // ---------------------------------------------------------------------------- | |
2192 | ||
2193 | #ifdef __WXGTK20__ | |
2194 | ||
2195 | // FIXME: when dragging on a link the sample gets an "Unknown event". | |
2196 | // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or | |
2197 | // a buggy sample, or something else | |
2198 | void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event) | |
2199 | { | |
2200 | event.Skip(); | |
2201 | if(!(m_windowStyle & wxTE_AUTO_URL)) | |
2202 | return; | |
2203 | ||
2204 | gint x, y; | |
2205 | GtkTextIter start, end; | |
2206 | GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer), | |
2207 | "wxUrl"); | |
2208 | ||
2209 | gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET, | |
2210 | event.GetX(), event.GetY(), &x, &y); | |
2211 | ||
2212 | gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y); | |
2213 | if (!gtk_text_iter_has_tag(&end, tag)) | |
2214 | { | |
2215 | gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text), | |
2216 | GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor); | |
2217 | return; | |
2218 | } | |
2219 | ||
2220 | gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text), | |
2221 | GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor); | |
2222 | ||
2223 | start = end; | |
2224 | if(!gtk_text_iter_begins_tag(&start, tag)) | |
2225 | gtk_text_iter_backward_to_tag_toggle(&start, tag); | |
2226 | if(!gtk_text_iter_ends_tag(&end, tag)) | |
2227 | gtk_text_iter_forward_to_tag_toggle(&end, tag); | |
2228 | ||
2229 | // Native context menu is probably not desired on an URL. | |
2230 | // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value | |
2231 | if(event.GetEventType() == wxEVT_RIGHT_DOWN) | |
2232 | event.Skip(false); | |
2233 | ||
2234 | wxTextUrlEvent url_event(m_windowId, event, | |
2235 | gtk_text_iter_get_offset(&start), | |
2236 | gtk_text_iter_get_offset(&end)); | |
2237 | ||
2238 | InitCommandEvent(url_event); | |
2239 | // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag) | |
2240 | //event.Skip(!GetEventHandler()->ProcessEvent(url_event)); | |
2241 | GetEventHandler()->ProcessEvent(url_event); | |
2242 | } | |
2243 | #endif // gtk2 | |
2244 | ||
2245 | // ---------------------------------------------------------------------------- | |
2246 | // scrolling | |
2247 | // ---------------------------------------------------------------------------- | |
2248 | ||
2249 | GtkAdjustment *wxTextCtrl::GetVAdj() const | |
2250 | { | |
2251 | if ( !IsMultiLine() ) | |
2252 | return NULL; | |
2253 | ||
2254 | #ifdef __WXGTK20__ | |
2255 | return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget)); | |
2256 | #else | |
2257 | return GTK_TEXT(m_text)->vadj; | |
2258 | #endif | |
2259 | } | |
2260 | ||
2261 | bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff) | |
2262 | { | |
2263 | float value = adj->value + diff; | |
2264 | ||
2265 | if ( value < 0 ) | |
2266 | value = 0; | |
2267 | ||
2268 | float upper = adj->upper - adj->page_size; | |
2269 | if ( value > upper ) | |
2270 | value = upper; | |
2271 | ||
2272 | // did we noticeably change the scroll position? | |
2273 | if ( fabs(adj->value - value) < 0.2 ) | |
2274 | { | |
2275 | // well, this is what Robert does in wxScrollBar, so it must be good... | |
2276 | return false; | |
2277 | } | |
2278 | ||
2279 | adj->value = value; | |
2280 | ||
2281 | #ifdef __WXGTK20__ | |
2282 | gtk_adjustment_value_changed(GTK_ADJUSTMENT(adj)); | |
2283 | #else | |
2284 | gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed"); | |
2285 | #endif | |
2286 | ||
2287 | return true; | |
2288 | } | |
2289 | ||
2290 | bool wxTextCtrl::ScrollLines(int lines) | |
2291 | { | |
2292 | GtkAdjustment *adj = GetVAdj(); | |
2293 | if ( !adj ) | |
2294 | return false; | |
2295 | ||
2296 | #ifdef __WXGTK20__ | |
2297 | int diff = (int)ceil(lines*adj->step_increment); | |
2298 | #else | |
2299 | // this is hardcoded to 10 in GTK+ 1.2 (great idea) | |
2300 | int diff = 10*lines; | |
2301 | #endif | |
2302 | ||
2303 | return DoScroll(adj, diff); | |
2304 | } | |
2305 | ||
2306 | bool wxTextCtrl::ScrollPages(int pages) | |
2307 | { | |
2308 | GtkAdjustment *adj = GetVAdj(); | |
2309 | if ( !adj ) | |
2310 | return false; | |
2311 | ||
2312 | return DoScroll(adj, (int)ceil(pages*adj->page_increment)); | |
2313 | } | |
2314 | ||
2315 | ||
2316 | // static | |
2317 | wxVisualAttributes | |
2318 | wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
2319 | { | |
2320 | return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true); | |
2321 | } |