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Fix deprecating warning introduced in r72446.
[wxWidgets.git] / src / gtk / textctrl.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/gtk/textctrl.cpp
3// Purpose:
4// Author: Robert Roebling
5// Id: $Id$
6// Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin, 2005 Mart Raudsepp
7// Licence: wxWindows licence
8/////////////////////////////////////////////////////////////////////////////
9
10// For compilers that support precompilation, includes "wx.h".
11#include "wx/wxprec.h"
12
13#if wxUSE_TEXTCTRL
14
15#include "wx/textctrl.h"
16
17#ifndef WX_PRECOMP
18 #include "wx/intl.h"
19 #include "wx/log.h"
20 #include "wx/utils.h"
21 #include "wx/settings.h"
22 #include "wx/math.h"
23#endif
24
25#include "wx/scopeguard.h"
26#include "wx/strconv.h"
27#include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo())
28
29#include <sys/types.h>
30#include <sys/stat.h>
31#include <ctype.h>
32
33#include <gtk/gtk.h>
34#include "wx/gtk/private.h"
35#include "wx/gtk/private/gtk2-compat.h"
36
37// ----------------------------------------------------------------------------
38// helpers
39// ----------------------------------------------------------------------------
40
41extern "C" {
42static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
43 GtkTextTag *tag,
44 GtkTextIter * WXUNUSED(start),
45 GtkTextIter * WXUNUSED(end),
46 char *prefix)
47{
48 gchar *name;
49 g_object_get (tag, "name", &name, NULL);
50
51 if (!name || strncmp(name, prefix, strlen(prefix)))
52 // anonymous tag or not starting with prefix - don't remove
53 g_signal_stop_emission_by_name (buffer, "remove_tag");
54
55 g_free(name);
56}
57}
58
59// remove all tags starting with the given prefix from the start..end range
60static void
61wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer,
62 const char *prefix,
63 GtkTextIter *start,
64 GtkTextIter *end)
65{
66 gulong remove_handler_id = g_signal_connect
67 (
68 text_buffer,
69 "remove_tag",
70 G_CALLBACK(wxGtkOnRemoveTag),
71 gpointer(prefix)
72 );
73 gtk_text_buffer_remove_all_tags(text_buffer, start, end);
74 g_signal_handler_disconnect(text_buffer, remove_handler_id);
75}
76
77static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
78 GtkTextBuffer *text_buffer,
79 const wxTextAttr& attr,
80 GtkTextIter *start,
81 GtkTextIter *end)
82{
83 static gchar buf[1024];
84 GtkTextTag *tag;
85
86 if (attr.HasFont())
87 {
88 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end);
89
90 wxFont font(attr.GetFont());
91
92 PangoFontDescription *font_description = font.GetNativeFontInfo()->description;
93 wxGtkString font_string(pango_font_description_to_string(font_description));
94 g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
95 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
96 buf );
97 if (!tag)
98 tag = gtk_text_buffer_create_tag( text_buffer, buf,
99 "font-desc", font_description,
100 NULL );
101 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
102
103 if (font.GetUnderlined())
104 {
105 g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
106 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
107 buf );
108 if (!tag)
109 tag = gtk_text_buffer_create_tag( text_buffer, buf,
110 "underline-set", TRUE,
111 "underline", PANGO_UNDERLINE_SINGLE,
112 NULL );
113 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
114 }
115 if ( font.GetStrikethrough() )
116 {
117 g_snprintf(buf, sizeof(buf), "WXFONTSTRIKETHROUGH");
118 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
119 buf );
120 if (!tag)
121 tag = gtk_text_buffer_create_tag( text_buffer, buf,
122 "strikethrough-set", TRUE,
123 "strikethrough", TRUE,
124 NULL );
125 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
126 }
127 }
128
129 if (attr.HasTextColour())
130 {
131 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end);
132
133 const GdkColor *colFg = attr.GetTextColour().GetColor();
134 g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
135 colFg->red, colFg->green, colFg->blue);
136 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
137 buf );
138 if (!tag)
139 tag = gtk_text_buffer_create_tag( text_buffer, buf,
140 "foreground-gdk", colFg, NULL );
141 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
142 }
143
144 if (attr.HasBackgroundColour())
145 {
146 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end);
147
148 const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
149 g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
150 colBg->red, colBg->green, colBg->blue);
151 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
152 buf );
153 if (!tag)
154 tag = gtk_text_buffer_create_tag( text_buffer, buf,
155 "background-gdk", colBg, NULL );
156 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
157 }
158
159 if (attr.HasAlignment())
160 {
161 GtkTextIter para_start, para_end = *end;
162 gtk_text_buffer_get_iter_at_line( text_buffer,
163 &para_start,
164 gtk_text_iter_get_line(start) );
165 gtk_text_iter_forward_line(&para_end);
166
167 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", &para_start, &para_end);
168
169 GtkJustification align;
170 switch (attr.GetAlignment())
171 {
172 case wxTEXT_ALIGNMENT_RIGHT:
173 align = GTK_JUSTIFY_RIGHT;
174 break;
175 case wxTEXT_ALIGNMENT_CENTER:
176 align = GTK_JUSTIFY_CENTER;
177 break;
178 case wxTEXT_ALIGNMENT_JUSTIFIED:
179#ifdef __WXGTK3__
180 align = GTK_JUSTIFY_FILL;
181 break;
182#elif GTK_CHECK_VERSION(2,11,0)
183// gtk+ doesn't support justify before gtk+-2.11.0 with pango-1.17 being available
184// (but if new enough pango isn't available it's a mere gtk warning)
185 if (!gtk_check_version(2,11,0))
186 {
187 align = GTK_JUSTIFY_FILL;
188 break;
189 }
190 // fallthrough
191#endif
192 default:
193 align = GTK_JUSTIFY_LEFT;
194 break;
195 }
196
197 g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
198 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
199 buf );
200 if (!tag)
201 tag = gtk_text_buffer_create_tag( text_buffer, buf,
202 "justification", align, NULL );
203 gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
204 }
205
206 if (attr.HasLeftIndent())
207 {
208 // Indentation attribute
209
210 // Clear old indentation tags
211 GtkTextIter para_start, para_end = *end;
212 gtk_text_buffer_get_iter_at_line( text_buffer,
213 &para_start,
214 gtk_text_iter_get_line(start) );
215 gtk_text_iter_forward_line(&para_end);
216
217 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", &para_start, &para_end);
218
219 // Convert indent from 1/10th of a mm into pixels
220 float factor =
221 (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
222 gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
223
224 const int indent = (int)(factor * attr.GetLeftIndent());
225 const int subIndent = (int)(factor * attr.GetLeftSubIndent());
226
227 gint gindent;
228 gint gsubindent;
229
230 if (subIndent >= 0)
231 {
232 gindent = indent;
233 gsubindent = -subIndent;
234 }
235 else
236 {
237 gindent = -subIndent;
238 gsubindent = indent;
239 }
240
241 g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
242 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
243 buf );
244 if (!tag)
245 tag = gtk_text_buffer_create_tag( text_buffer, buf,
246 "left-margin", gindent, "indent", gsubindent, NULL );
247 gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
248 }
249
250 if (attr.HasTabs())
251 {
252 // Set tab stops
253
254 // Clear old tabs
255 GtkTextIter para_start, para_end = *end;
256 gtk_text_buffer_get_iter_at_line( text_buffer,
257 &para_start,
258 gtk_text_iter_get_line(start) );
259 gtk_text_iter_forward_line(&para_end);
260
261 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", &para_start, &para_end);
262
263 const wxArrayInt& tabs = attr.GetTabs();
264
265 wxString tagname = wxT("WXTABS");
266 g_snprintf(buf, sizeof(buf), "WXTABS");
267 for (size_t i = 0; i < tabs.GetCount(); i++)
268 tagname += wxString::Format(wxT(" %d"), tabs[i]);
269
270 const wxWX2MBbuf buftag = tagname.utf8_str();
271
272 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
273 buftag );
274 if (!tag)
275 {
276 // Factor to convert from 1/10th of a mm into pixels
277 float factor =
278 (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
279 gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
280
281 PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
282 for (size_t i = 0; i < tabs.GetCount(); i++)
283 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
284 tag = gtk_text_buffer_create_tag( text_buffer, buftag,
285 "tabs", tabArray, NULL );
286 pango_tab_array_free(tabArray);
287 }
288 gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
289 }
290}
291
292static void wxGtkTextInsert(GtkWidget *text,
293 GtkTextBuffer *text_buffer,
294 const wxTextAttr& attr,
295 const wxCharBuffer& buffer)
296
297{
298 gint start_offset;
299 GtkTextIter iter, start;
300
301 gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
302 gtk_text_buffer_get_insert (text_buffer) );
303 start_offset = gtk_text_iter_get_offset (&iter);
304 gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
305
306 gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
307
308 wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
309}
310
311// Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
312
313extern "C" {
314static void
315au_apply_tag_callback(GtkTextBuffer *buffer,
316 GtkTextTag *tag,
317 GtkTextIter * WXUNUSED(start),
318 GtkTextIter * WXUNUSED(end),
319 gpointer WXUNUSED(textctrl))
320{
321 if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
322 g_signal_stop_emission_by_name (buffer, "apply_tag");
323}
324}
325
326//-----------------------------------------------------------------------------
327// GtkTextCharPredicates for gtk_text_iter_*_find_char
328//-----------------------------------------------------------------------------
329
330extern "C" {
331static gboolean
332pred_whitespace(gunichar ch, gpointer WXUNUSED(user_data))
333{
334 return g_unichar_isspace(ch);
335}
336}
337
338extern "C" {
339static gboolean
340pred_non_whitespace (gunichar ch, gpointer WXUNUSED(user_data))
341{
342 return !g_unichar_isspace(ch);
343}
344}
345
346extern "C" {
347static gboolean
348pred_nonpunct (gunichar ch, gpointer WXUNUSED(user_data))
349{
350 return !g_unichar_ispunct(ch);
351}
352}
353
354extern "C" {
355static gboolean
356pred_nonpunct_or_slash (gunichar ch, gpointer WXUNUSED(user_data))
357{
358 return !g_unichar_ispunct(ch) || ch == '/';
359}
360}
361
362//-----------------------------------------------------------------------------
363// Check for links between s and e and correct tags as necessary
364//-----------------------------------------------------------------------------
365
366// This function should be made match better while being efficient at one point.
367// Most probably with a row of regular expressions.
368extern "C" {
369static void
370au_check_word( GtkTextIter *s, GtkTextIter *e )
371{
372 static const char *const URIPrefixes[] =
373 {
374 "http://",
375 "ftp://",
376 "www.",
377 "ftp.",
378 "mailto://",
379 "https://",
380 "file://",
381 "nntp://",
382 "news://",
383 "telnet://",
384 "mms://",
385 "gopher://",
386 "prospero://",
387 "wais://",
388 };
389
390 GtkTextIter start = *s, end = *e;
391 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
392
393 // Get our special link tag
394 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
395
396 // Get rid of punctuation from beginning and end.
397 // Might want to move this to au_check_range if an improved link checking doesn't
398 // use some intelligent punctuation checking itself (beware of undesired iter modifications).
399 if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
400 gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
401
402 gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
403 gtk_text_iter_forward_char(&end);
404
405 wxGtkString text(gtk_text_iter_get_text( &start, &end ));
406 size_t len = strlen(text), prefix_len;
407 size_t n;
408
409 for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
410 {
411 prefix_len = strlen(URIPrefixes[n]);
412 if((len > prefix_len) && !wxStrnicmp(text, URIPrefixes[n], prefix_len))
413 break;
414 }
415
416 if(n < WXSIZEOF(URIPrefixes))
417 {
418 gulong signal_id = g_signal_handler_find (buffer,
419 (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
420 0, 0, NULL,
421 (gpointer)au_apply_tag_callback, NULL);
422
423 g_signal_handler_block (buffer, signal_id);
424 gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
425 g_signal_handler_unblock (buffer, signal_id);
426 }
427}
428}
429
430extern "C" {
431static void
432au_check_range(GtkTextIter *s,
433 GtkTextIter *range_end)
434{
435 GtkTextIter range_start = *s;
436 GtkTextIter word_end;
437 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
438 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
439
440 gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
441
442 if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
443 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
444
445 while(!gtk_text_iter_equal(&range_start, range_end))
446 {
447 word_end = range_start;
448 gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
449
450 // Now we should have a word delimited by range_start and word_end, correct link tags
451 au_check_word(&range_start, &word_end);
452
453 range_start = word_end;
454 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
455 }
456}
457}
458
459//-----------------------------------------------------------------------------
460// "insert-text" for GtkTextBuffer
461//-----------------------------------------------------------------------------
462
463extern "C" {
464static void
465au_insert_text_callback(GtkTextBuffer * WXUNUSED(buffer),
466 GtkTextIter *end,
467 gchar *text,
468 gint len,
469 wxTextCtrl *win)
470{
471 if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
472 return;
473
474 GtkTextIter start = *end;
475 gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
476
477 GtkTextIter line_start = start;
478 GtkTextIter line_end = *end;
479 GtkTextIter words_start = start;
480 GtkTextIter words_end = *end;
481
482 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
483 gtk_text_iter_forward_to_line_end(&line_end);
484 gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
485 gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
486
487 au_check_range(&words_start, &words_end);
488}
489}
490
491//-----------------------------------------------------------------------------
492// "delete-range" for GtkTextBuffer
493//-----------------------------------------------------------------------------
494
495extern "C" {
496static void
497au_delete_range_callback(GtkTextBuffer * WXUNUSED(buffer),
498 GtkTextIter *start,
499 GtkTextIter *end,
500 wxTextCtrl *win)
501{
502 if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
503 return;
504
505 GtkTextIter line_start = *start, line_end = *end;
506
507 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
508 gtk_text_iter_forward_to_line_end(&line_end);
509 gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
510 gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
511
512 au_check_range(start, end);
513}
514}
515
516//-----------------------------------------------------------------------------
517// "populate_popup" from text control and "unmap" from its poup menu
518//-----------------------------------------------------------------------------
519
520extern "C" {
521static void
522gtk_textctrl_popup_unmap( GtkMenu *WXUNUSED(menu), wxTextCtrl* win )
523{
524 win->GTKEnableFocusOutEvent();
525}
526}
527
528extern "C" {
529static void
530gtk_textctrl_populate_popup( GtkEntry *WXUNUSED(entry), GtkMenu *menu, wxTextCtrl *win )
531{
532 win->GTKDisableFocusOutEvent();
533
534 g_signal_connect (menu, "unmap", G_CALLBACK (gtk_textctrl_popup_unmap), win );
535}
536}
537
538//-----------------------------------------------------------------------------
539// "changed"
540//-----------------------------------------------------------------------------
541
542extern "C" {
543static void
544gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
545{
546 if ( win->IgnoreTextUpdate() )
547 return;
548
549 if (!win->m_hasVMT) return;
550
551 if ( win->MarkDirtyOnChange() )
552 win->MarkDirty();
553
554 win->SendTextUpdatedEvent();
555}
556}
557
558//-----------------------------------------------------------------------------
559// "mark_set"
560//-----------------------------------------------------------------------------
561
562extern "C" {
563static void mark_set(GtkTextBuffer*, GtkTextIter*, GtkTextMark* mark, GSList** markList)
564{
565 if (gtk_text_mark_get_name(mark) == NULL)
566 *markList = g_slist_prepend(*markList, mark);
567}
568}
569
570//-----------------------------------------------------------------------------
571// wxTextCtrl
572//-----------------------------------------------------------------------------
573
574BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
575 EVT_CHAR(wxTextCtrl::OnChar)
576
577 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
578 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
579 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
580 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
581 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
582
583 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
584 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
585 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
586 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
587 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
588
589 // wxTE_AUTO_URL wxTextUrl support. Currently only creates
590 // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
591 EVT_MOTION (wxTextCtrl::OnUrlMouseEvent)
592 EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent)
593 EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent)
594 EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
595 EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent)
596 EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent)
597 EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
598END_EVENT_TABLE()
599
600void wxTextCtrl::Init()
601{
602 m_dontMarkDirty =
603 m_modified = false;
604
605 m_countUpdatesToIgnore = 0;
606
607 SetUpdateFont(false);
608
609 m_text = NULL;
610 m_showPositionOnThaw = NULL;
611 m_anonymousMarkList = NULL;
612}
613
614wxTextCtrl::~wxTextCtrl()
615{
616 if (m_anonymousMarkList)
617 g_slist_free(m_anonymousMarkList);
618}
619
620wxTextCtrl::wxTextCtrl( wxWindow *parent,
621 wxWindowID id,
622 const wxString &value,
623 const wxPoint &pos,
624 const wxSize &size,
625 long style,
626 const wxValidator& validator,
627 const wxString &name )
628{
629 Init();
630
631 Create( parent, id, value, pos, size, style, validator, name );
632}
633
634bool wxTextCtrl::Create( wxWindow *parent,
635 wxWindowID id,
636 const wxString &value,
637 const wxPoint &pos,
638 const wxSize &size,
639 long style,
640 const wxValidator& validator,
641 const wxString &name )
642{
643 if (!PreCreation( parent, pos, size ) ||
644 !CreateBase( parent, id, pos, size, style, validator, name ))
645 {
646 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
647 return false;
648 }
649
650 bool multi_line = (style & wxTE_MULTILINE) != 0;
651
652 if (multi_line)
653 {
654 m_buffer = gtk_text_buffer_new(NULL);
655 gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList);
656 // Create view
657 m_text = gtk_text_view_new_with_buffer(m_buffer);
658 // gtk_text_view_set_buffer adds its own reference
659 g_object_unref(m_buffer);
660 g_signal_handler_disconnect(m_buffer, sig_id);
661
662 // create "ShowPosition" marker
663 GtkTextIter iter;
664 gtk_text_buffer_get_start_iter(m_buffer, &iter);
665 gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
666
667 // create scrolled window
668 m_widget = gtk_scrolled_window_new( NULL, NULL );
669 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
670 GTK_POLICY_AUTOMATIC,
671 style & wxTE_NO_VSCROLL
672 ? GTK_POLICY_NEVER
673 : GTK_POLICY_AUTOMATIC );
674 // for ScrollLines/Pages
675 m_scrollBar[1] = GTK_RANGE(gtk_scrolled_window_get_vscrollbar(GTK_SCROLLED_WINDOW(m_widget)));
676
677 // Insert view into scrolled window
678 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
679
680 GTKSetWrapMode();
681
682 GTKScrolledWindowSetBorder(m_widget, style);
683
684 gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
685
686 gtk_widget_set_can_focus(m_widget, FALSE);
687 }
688 else
689 {
690 // a single-line text control: no need for scrollbars
691 m_widget =
692 m_text = gtk_entry_new();
693 // work around probable bug in GTK+ 2.18 when calling WriteText on a
694 // new, empty control, see http://trac.wxwidgets.org/ticket/11409
695 gtk_entry_get_text((GtkEntry*)m_text);
696
697 if (style & wxNO_BORDER)
698 g_object_set (m_text, "has-frame", FALSE, NULL);
699
700 }
701 g_object_ref(m_widget);
702
703 m_parent->DoAddChild( this );
704
705 m_focusWidget = m_text;
706
707 PostCreation(size);
708
709 if (multi_line)
710 {
711 gtk_widget_show(m_text);
712 }
713
714 // We want to be notified about text changes.
715 if (multi_line)
716 {
717 g_signal_connect (m_buffer, "changed",
718 G_CALLBACK (gtk_text_changed_callback), this);
719 }
720 else
721 {
722 g_signal_connect (m_text, "changed",
723 G_CALLBACK (gtk_text_changed_callback), this);
724 }
725
726 // Catch to disable focus out handling
727 g_signal_connect (m_text, "populate_popup",
728 G_CALLBACK (gtk_textctrl_populate_popup),
729 this);
730
731 if (!value.empty())
732 {
733 SetValue( value );
734 }
735
736 if (style & wxTE_PASSWORD)
737 GTKSetVisibility();
738
739 if (style & wxTE_READONLY)
740 GTKSetEditable();
741
742 // left justification (alignment) is the default anyhow
743 if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
744 GTKSetJustification();
745
746 if (multi_line)
747 {
748 // Handle URLs on multi-line controls with wxTE_AUTO_URL style
749 if (style & wxTE_AUTO_URL)
750 {
751 GtkTextIter start, end;
752
753 // We create our wxUrl tag here for slight efficiency gain - we
754 // don't have to check for the tag existence in callbacks,
755 // hereby it's guaranteed to exist.
756 gtk_text_buffer_create_tag(m_buffer, "wxUrl",
757 "foreground", "blue",
758 "underline", PANGO_UNDERLINE_SINGLE,
759 NULL);
760
761 // Check for URLs after each text change
762 g_signal_connect_after (m_buffer, "insert_text",
763 G_CALLBACK (au_insert_text_callback), this);
764 g_signal_connect_after (m_buffer, "delete_range",
765 G_CALLBACK (au_delete_range_callback), this);
766
767 // Block all wxUrl tag applying unless we do it ourselves, in which case we
768 // block this callback temporarily. This takes care of gtk+ internal
769 // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
770 // which is undesired because only a part of the URL might be copied.
771 // The insert-text signal emitted inside it will take care of newly formed
772 // or wholly copied URLs.
773 g_signal_connect (m_buffer, "apply_tag",
774 G_CALLBACK (au_apply_tag_callback), NULL);
775
776 // Check for URLs in the initial string passed to Create
777 gtk_text_buffer_get_start_iter(m_buffer, &start);
778 gtk_text_buffer_get_end_iter(m_buffer, &end);
779 au_check_range(&start, &end);
780 }
781 }
782 else // single line
783 {
784 // do the right thing with Enter presses depending on whether we have
785 // wxTE_PROCESS_ENTER or not
786 GTKSetActivatesDefault();
787 }
788
789
790 GTKConnectClipboardSignals(m_text);
791
792 m_cursor = wxCursor( wxCURSOR_IBEAM );
793
794 return true;
795}
796
797GtkEditable *wxTextCtrl::GetEditable() const
798{
799 wxCHECK_MSG( IsSingleLine(), NULL, "shouldn't be called for multiline" );
800
801 return GTK_EDITABLE(m_text);
802}
803
804GtkEntry *wxTextCtrl::GetEntry() const
805{
806 return GTK_ENTRY(m_text);
807}
808
809// ----------------------------------------------------------------------------
810// flags handling
811// ----------------------------------------------------------------------------
812
813void wxTextCtrl::GTKSetEditable()
814{
815 gboolean editable = !HasFlag(wxTE_READONLY);
816 if ( IsSingleLine() )
817 gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
818 else
819 gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
820}
821
822void wxTextCtrl::GTKSetVisibility()
823{
824 wxCHECK_RET( IsSingleLine(),
825 "wxTE_PASSWORD is for single line text controls only" );
826
827 gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
828}
829
830void wxTextCtrl::GTKSetActivatesDefault()
831{
832 wxCHECK_RET( IsSingleLine(),
833 "wxTE_PROCESS_ENTER is for single line text controls only" );
834
835 gtk_entry_set_activates_default(GTK_ENTRY(m_text),
836 !HasFlag(wxTE_PROCESS_ENTER));
837}
838
839void wxTextCtrl::GTKSetWrapMode()
840{
841 // no wrapping in single line controls
842 if ( !IsMultiLine() )
843 return;
844
845 // translate wx wrapping style to GTK+
846 GtkWrapMode wrap;
847 if ( HasFlag( wxTE_DONTWRAP ) )
848 wrap = GTK_WRAP_NONE;
849 else if ( HasFlag( wxTE_CHARWRAP ) )
850 wrap = GTK_WRAP_CHAR;
851 else if ( HasFlag( wxTE_WORDWRAP ) )
852 wrap = GTK_WRAP_WORD;
853 else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
854 wrap = GTK_WRAP_WORD_CHAR;
855
856 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
857}
858
859void wxTextCtrl::GTKSetJustification()
860{
861 if ( IsMultiLine() )
862 {
863 GtkJustification just;
864 if ( HasFlag(wxTE_RIGHT) )
865 just = GTK_JUSTIFY_RIGHT;
866 else if ( HasFlag(wxTE_CENTRE) )
867 just = GTK_JUSTIFY_CENTER;
868 else // wxTE_LEFT == 0
869 just = GTK_JUSTIFY_LEFT;
870
871 gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
872 }
873 else // single line
874 {
875 gfloat align;
876 if ( HasFlag(wxTE_RIGHT) )
877 align = 1.0;
878 else if ( HasFlag(wxTE_CENTRE) )
879 align = 0.5;
880 else // single line
881 align = 0.0;
882
883 gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
884 }
885}
886
887void wxTextCtrl::SetWindowStyleFlag(long style)
888{
889 long styleOld = GetWindowStyleFlag();
890
891 wxTextCtrlBase::SetWindowStyleFlag(style);
892
893 if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
894 GTKSetEditable();
895
896 if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
897 GTKSetVisibility();
898
899 if ( (style & wxTE_PROCESS_ENTER) != (styleOld & wxTE_PROCESS_ENTER) )
900 GTKSetActivatesDefault();
901
902 static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
903 if ( (style & flagsWrap) != (styleOld & flagsWrap) )
904 GTKSetWrapMode();
905
906 static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
907 if ( (style & flagsAlign) != (styleOld & flagsAlign) )
908 GTKSetJustification();
909}
910
911// ----------------------------------------------------------------------------
912// control value
913// ----------------------------------------------------------------------------
914
915wxString wxTextCtrl::GetValue() const
916{
917 wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
918
919 if ( IsMultiLine() )
920 {
921 GtkTextIter start;
922 gtk_text_buffer_get_start_iter( m_buffer, &start );
923 GtkTextIter end;
924 gtk_text_buffer_get_end_iter( m_buffer, &end );
925 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
926
927 return wxGTK_CONV_BACK(text);
928 }
929 else // single line
930 {
931 return wxTextEntry::GetValue();
932 }
933}
934
935wxFontEncoding wxTextCtrl::GetTextEncoding() const
936{
937 // GTK+ uses UTF-8 internally, we need to convert to it but from which
938 // encoding?
939
940 // first check the default text style (we intentionally don't check the
941 // style for the current position as it doesn't make sense for SetValue())
942 const wxTextAttr& style = GetDefaultStyle();
943 wxFontEncoding enc = style.HasFontEncoding() ? style.GetFontEncoding()
944 : wxFONTENCODING_SYSTEM;
945
946 // fall back to the controls font if no style
947 if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
948 enc = GetFont().GetEncoding();
949
950 return enc;
951}
952
953bool wxTextCtrl::IsEmpty() const
954{
955 if ( IsMultiLine() )
956 return gtk_text_buffer_get_char_count(m_buffer) == 0;
957
958 return wxTextEntry::IsEmpty();
959}
960
961void wxTextCtrl::DoSetValue( const wxString &value, int flags )
962{
963 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
964
965 m_modified = false;
966
967 if ( !IsMultiLine() )
968 {
969 wxTextEntry::DoSetValue(value, flags);
970 return;
971 }
972
973 if (value.IsEmpty())
974 {
975 if ( !(flags & SetValue_SendEvent) )
976 EnableTextChangedEvents(false);
977
978 gtk_text_buffer_set_text( m_buffer, "", 0 );
979
980 if ( !(flags & SetValue_SendEvent) )
981 EnableTextChangedEvents(true);
982
983 return;
984 }
985
986#if wxUSE_UNICODE
987 const wxCharBuffer buffer(value.utf8_str());
988#else
989 wxFontEncoding enc = m_defaultStyle.HasFont()
990 ? m_defaultStyle.GetFont().GetEncoding()
991 : wxFONTENCODING_SYSTEM;
992 if ( enc == wxFONTENCODING_SYSTEM )
993 enc = GetTextEncoding();
994
995 const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
996 if ( !buffer )
997 {
998 // see comment in WriteText() as to why we must warn the user about
999 // this
1000 wxLogWarning(_("Failed to set text in the text control."));
1001 return;
1002 }
1003#endif
1004
1005 if ( !(flags & SetValue_SendEvent) )
1006 {
1007 EnableTextChangedEvents(false);
1008 }
1009
1010 gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1011
1012 if ( !m_defaultStyle.IsDefault() )
1013 {
1014 GtkTextIter start, end;
1015 gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1016 wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1017 &start, &end);
1018 }
1019
1020 if ( !(flags & SetValue_SendEvent) )
1021 {
1022 EnableTextChangedEvents(true);
1023 }
1024}
1025
1026void wxTextCtrl::WriteText( const wxString &text )
1027{
1028 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1029
1030 // we're changing the text programmatically
1031 DontMarkDirtyOnNextChange();
1032
1033 if ( !IsMultiLine() )
1034 {
1035 wxTextEntry::WriteText(text);
1036 return;
1037 }
1038
1039#if wxUSE_UNICODE
1040 const wxCharBuffer buffer(text.utf8_str());
1041#else
1042 // check if we have a specific style for the current position
1043 wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1044 wxTextAttr style;
1045 if ( GetStyle(GetInsertionPoint(), style) && style.HasFontEncoding() )
1046 {
1047 enc = style.GetFontEncoding();
1048 }
1049
1050 if ( enc == wxFONTENCODING_SYSTEM )
1051 enc = GetTextEncoding();
1052
1053 const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1054 if ( !buffer )
1055 {
1056 // we must log an error here as losing the text like this can be a
1057 // serious problem (e.g. imagine the document edited by user being
1058 // empty instead of containing the correct text)
1059 wxLogWarning(_("Failed to insert text in the control."));
1060 return;
1061 }
1062#endif
1063
1064 // First remove the selection if there is one
1065 // TODO: Is there an easier GTK specific way to do this?
1066 long from, to;
1067 GetSelection(&from, &to);
1068 if (from != to)
1069 Remove(from, to);
1070
1071 // Insert the text
1072 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1073
1074 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1075 // won't work when frozen, text view is not using m_buffer then
1076 if (!IsFrozen())
1077 {
1078 GtkAdjustment* adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
1079 const double value = gtk_adjustment_get_value(adj);
1080 const double upper = gtk_adjustment_get_upper(adj);
1081 const double page_size = gtk_adjustment_get_page_size(adj);
1082 if (wxIsSameDouble(value, upper - page_size))
1083 {
1084 gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(m_text),
1085 gtk_text_buffer_get_insert(m_buffer), 0, false, 0, 1);
1086 }
1087 }
1088}
1089
1090wxString wxTextCtrl::GetLineText( long lineNo ) const
1091{
1092 wxString result;
1093 if ( IsMultiLine() )
1094 {
1095 GtkTextIter line;
1096 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1097
1098 GtkTextIter end = line;
1099 // avoid skipping to the next line end if this one is empty
1100 if ( !gtk_text_iter_ends_line(&line) )
1101 gtk_text_iter_forward_to_line_end(&end);
1102
1103 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1104 result = wxGTK_CONV_BACK(text);
1105 }
1106 else
1107 {
1108 if (lineNo == 0)
1109 result = GetValue();
1110 }
1111 return result;
1112}
1113
1114void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1115{
1116 /* If you implement this, don't forget to update the documentation!
1117 * (file docs/latex/wx/text.tex) */
1118 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1119}
1120
1121bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1122{
1123 if ( IsMultiLine() )
1124 {
1125 GtkTextIter iter;
1126
1127 if (pos > GetLastPosition())
1128 return false;
1129
1130 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1131
1132 if ( y )
1133 *y = gtk_text_iter_get_line(&iter);
1134 if ( x )
1135 *x = gtk_text_iter_get_line_offset(&iter);
1136 }
1137 else // single line control
1138 {
1139 if (pos <= gtk_entry_get_text_length(GTK_ENTRY(m_text)))
1140 {
1141 if ( y )
1142 *y = 0;
1143 if ( x )
1144 *x = pos;
1145 }
1146 else
1147 {
1148 // index out of bounds
1149 return false;
1150 }
1151 }
1152
1153 return true;
1154}
1155
1156long wxTextCtrl::XYToPosition(long x, long y ) const
1157{
1158 if ( IsSingleLine() )
1159 return 0;
1160
1161 GtkTextIter iter;
1162 if (y >= gtk_text_buffer_get_line_count (m_buffer))
1163 return -1;
1164
1165 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1166 if (x >= gtk_text_iter_get_chars_in_line (&iter))
1167 return -1;
1168
1169 return gtk_text_iter_get_offset(&iter) + x;
1170}
1171
1172int wxTextCtrl::GetLineLength(long lineNo) const
1173{
1174 if ( IsMultiLine() )
1175 {
1176 int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1177 if (lineNo > last_line)
1178 return -1;
1179
1180 GtkTextIter iter;
1181 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1182 // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1183 return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1184 }
1185 else
1186 {
1187 wxString str = GetLineText (lineNo);
1188 return (int) str.length();
1189 }
1190}
1191
1192wxPoint wxTextCtrl::DoPositionToCoords(long pos) const
1193{
1194 if ( !IsMultiLine() )
1195 {
1196 // Single line text entry (GtkTextEntry) doesn't have support for
1197 // getting the coordinates for the given offset. Perhaps we could
1198 // find them ourselves by using GetTextExtent() but for now just leave
1199 // it unimplemented, this function is more useful for multiline
1200 // controls anyhow.
1201 return wxDefaultPosition;
1202 }
1203
1204 // Window coordinates for the given position is calculated by getting
1205 // the buffer coordinates and converting them to window coordinates.
1206 GtkTextView *textview = GTK_TEXT_VIEW(m_text);
1207
1208 GtkTextIter iter;
1209 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1210
1211 GdkRectangle bufferCoords;
1212 gtk_text_view_get_iter_location(textview, &iter, &bufferCoords);
1213
1214 gint winCoordX = 0,
1215 winCoordY = 0;
1216 gtk_text_view_buffer_to_window_coords(textview, GTK_TEXT_WINDOW_WIDGET,
1217 bufferCoords.x, bufferCoords.y,
1218 &winCoordX, &winCoordY);
1219
1220 return wxPoint(winCoordX, winCoordY);
1221}
1222
1223int wxTextCtrl::GetNumberOfLines() const
1224{
1225 if ( IsMultiLine() )
1226 {
1227 return gtk_text_buffer_get_line_count( m_buffer );
1228 }
1229 else // single line
1230 {
1231 return 1;
1232 }
1233}
1234
1235void wxTextCtrl::SetInsertionPoint( long pos )
1236{
1237 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1238
1239 if ( IsMultiLine() )
1240 {
1241 GtkTextIter iter;
1242 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1243 gtk_text_buffer_place_cursor( m_buffer, &iter );
1244 GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1245 if (IsFrozen())
1246 // defer until Thaw, text view is not using m_buffer now
1247 m_showPositionOnThaw = mark;
1248 else
1249 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1250 }
1251 else // single line
1252 {
1253 wxTextEntry::SetInsertionPoint(pos);
1254 }
1255}
1256
1257void wxTextCtrl::SetEditable( bool editable )
1258{
1259 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1260
1261 if ( IsMultiLine() )
1262 {
1263 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1264 }
1265 else // single line
1266 {
1267 wxTextEntry::SetEditable(editable);
1268 }
1269}
1270
1271bool wxTextCtrl::Enable( bool enable )
1272{
1273 if (!wxWindowBase::Enable(enable))
1274 {
1275 // nothing to do
1276 return false;
1277 }
1278
1279 gtk_widget_set_sensitive( m_text, enable );
1280 SetCursor(enable ? wxCursor(wxCURSOR_IBEAM) : wxCursor());
1281
1282 return true;
1283}
1284
1285// wxGTK-specific: called recursively by Enable,
1286// to give widgets an opportunity to correct their colours after they
1287// have been changed by Enable
1288void wxTextCtrl::OnEnabled(bool WXUNUSED(enable))
1289{
1290 // If we have a custom background colour, we use this colour in both
1291 // disabled and enabled mode, or we end up with a different colour under the
1292 // text.
1293 wxColour oldColour = GetBackgroundColour();
1294 if (oldColour.IsOk())
1295 {
1296 // Need to set twice or it'll optimize the useful stuff out
1297 if (oldColour == * wxWHITE)
1298 SetBackgroundColour(*wxBLACK);
1299 else
1300 SetBackgroundColour(*wxWHITE);
1301 SetBackgroundColour(oldColour);
1302 }
1303}
1304
1305void wxTextCtrl::MarkDirty()
1306{
1307 m_modified = true;
1308}
1309
1310void wxTextCtrl::DiscardEdits()
1311{
1312 m_modified = false;
1313}
1314
1315// ----------------------------------------------------------------------------
1316// event handling
1317// ----------------------------------------------------------------------------
1318
1319void wxTextCtrl::EnableTextChangedEvents(bool enable)
1320{
1321 if ( enable )
1322 {
1323 g_signal_handlers_unblock_by_func(GetTextObject(),
1324 (gpointer)gtk_text_changed_callback, this);
1325 }
1326 else // disable events
1327 {
1328 g_signal_handlers_block_by_func(GetTextObject(),
1329 (gpointer)gtk_text_changed_callback, this);
1330 }
1331}
1332
1333bool wxTextCtrl::IgnoreTextUpdate()
1334{
1335 if ( m_countUpdatesToIgnore > 0 )
1336 {
1337 m_countUpdatesToIgnore--;
1338
1339 return true;
1340 }
1341
1342 return false;
1343}
1344
1345bool wxTextCtrl::MarkDirtyOnChange()
1346{
1347 if ( m_dontMarkDirty )
1348 {
1349 m_dontMarkDirty = false;
1350
1351 return false;
1352 }
1353
1354 return true;
1355}
1356
1357void wxTextCtrl::SetSelection( long from, long to )
1358{
1359 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1360
1361 if ( IsMultiLine() )
1362 {
1363 if (from == -1 && to == -1)
1364 {
1365 from = 0;
1366 to = GetValue().length();
1367 }
1368
1369 GtkTextIter fromi, toi;
1370 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1371 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1372
1373 gtk_text_buffer_select_range( m_buffer, &fromi, &toi );
1374 }
1375 else // single line
1376 {
1377 wxTextEntry::SetSelection(from, to);
1378 }
1379}
1380
1381void wxTextCtrl::ShowPosition( long pos )
1382{
1383 if (IsMultiLine())
1384 {
1385 GtkTextIter iter;
1386 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1387 GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1388 gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1389 if (IsFrozen())
1390 // defer until Thaw, text view is not using m_buffer now
1391 m_showPositionOnThaw = mark;
1392 else
1393 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1394 }
1395}
1396
1397wxTextCtrlHitTestResult
1398wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1399{
1400 if ( !IsMultiLine() )
1401 {
1402 // not supported
1403 return wxTE_HT_UNKNOWN;
1404 }
1405
1406 int x, y;
1407 gtk_text_view_window_to_buffer_coords
1408 (
1409 GTK_TEXT_VIEW(m_text),
1410 GTK_TEXT_WINDOW_TEXT,
1411 pt.x, pt.y,
1412 &x, &y
1413 );
1414
1415 GtkTextIter iter;
1416 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1417 if ( pos )
1418 *pos = gtk_text_iter_get_offset(&iter);
1419
1420 return wxTE_HT_ON_TEXT;
1421}
1422
1423long wxTextCtrl::GetInsertionPoint() const
1424{
1425 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1426
1427 if ( IsMultiLine() )
1428 {
1429 // There is no direct accessor for the cursor, but
1430 // internally, the cursor is the "mark" called
1431 // "insert" in the text view's btree structure.
1432
1433 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1434 GtkTextIter cursor;
1435 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1436
1437 return gtk_text_iter_get_offset( &cursor );
1438 }
1439 else
1440 {
1441 return wxTextEntry::GetInsertionPoint();
1442 }
1443}
1444
1445wxTextPos wxTextCtrl::GetLastPosition() const
1446{
1447 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1448
1449 int pos = 0;
1450
1451 if ( IsMultiLine() )
1452 {
1453 GtkTextIter end;
1454 gtk_text_buffer_get_end_iter( m_buffer, &end );
1455
1456 pos = gtk_text_iter_get_offset( &end );
1457 }
1458 else // single line
1459 {
1460 pos = wxTextEntry::GetLastPosition();
1461 }
1462
1463 return (long)pos;
1464}
1465
1466void wxTextCtrl::Remove( long from, long to )
1467{
1468 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1469
1470 if ( IsMultiLine() )
1471 {
1472 GtkTextIter fromi, toi;
1473 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1474 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1475
1476 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1477 }
1478 else // single line
1479 {
1480 wxTextEntry::Remove(from, to);
1481 }
1482}
1483
1484void wxTextCtrl::Cut()
1485{
1486 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1487
1488 if ( IsMultiLine() )
1489 g_signal_emit_by_name (m_text, "cut-clipboard");
1490 else
1491 wxTextEntry::Cut();
1492}
1493
1494void wxTextCtrl::Copy()
1495{
1496 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1497
1498 if ( IsMultiLine() )
1499 g_signal_emit_by_name (m_text, "copy-clipboard");
1500 else
1501 wxTextEntry::Copy();
1502}
1503
1504void wxTextCtrl::Paste()
1505{
1506 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1507
1508 if ( IsMultiLine() )
1509 g_signal_emit_by_name (m_text, "paste-clipboard");
1510 else
1511 wxTextEntry::Paste();
1512}
1513
1514// If the return values from and to are the same, there is no
1515// selection.
1516void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1517{
1518 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1519
1520 if ( !IsMultiLine() )
1521 {
1522 wxTextEntry::GetSelection(fromOut, toOut);
1523 return;
1524 }
1525
1526 gint from, to;
1527
1528 GtkTextIter ifrom, ito;
1529 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1530 {
1531 from = gtk_text_iter_get_offset(&ifrom);
1532 to = gtk_text_iter_get_offset(&ito);
1533
1534 if ( from > to )
1535 {
1536 // exchange them to be compatible with wxMSW
1537 gint tmp = from;
1538 from = to;
1539 to = tmp;
1540 }
1541 }
1542 else // no selection
1543 {
1544 from =
1545 to = GetInsertionPoint();
1546 }
1547
1548 if ( fromOut )
1549 *fromOut = from;
1550 if ( toOut )
1551 *toOut = to;
1552}
1553
1554
1555bool wxTextCtrl::IsEditable() const
1556{
1557 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1558
1559 if ( IsMultiLine() )
1560 {
1561 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text)) != 0;
1562 }
1563 else
1564 {
1565 return wxTextEntry::IsEditable();
1566 }
1567}
1568
1569bool wxTextCtrl::IsModified() const
1570{
1571 return m_modified;
1572}
1573
1574void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1575{
1576 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1577
1578 if ( key_event.GetKeyCode() == WXK_RETURN )
1579 {
1580 if ( HasFlag(wxTE_PROCESS_ENTER) )
1581 {
1582 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1583 event.SetEventObject(this);
1584 event.SetString(GetValue());
1585 if ( HandleWindowEvent(event) )
1586 return;
1587 }
1588 }
1589
1590 key_event.Skip();
1591}
1592
1593GtkWidget* wxTextCtrl::GetConnectWidget()
1594{
1595 return GTK_WIDGET(m_text);
1596}
1597
1598GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1599{
1600 if ( IsMultiLine() )
1601 {
1602 return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1603 GTK_TEXT_WINDOW_TEXT );
1604 }
1605 else
1606 {
1607#ifdef __WXGTK3__
1608 // no access to internal GdkWindows
1609 return NULL;
1610#else
1611 return gtk_entry_get_text_window(GTK_ENTRY(m_text));
1612#endif
1613 }
1614}
1615
1616// the font will change for subsequent text insertiongs
1617bool wxTextCtrl::SetFont( const wxFont &font )
1618{
1619 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1620
1621 if ( !wxTextCtrlBase::SetFont(font) )
1622 {
1623 // font didn't change, nothing to do
1624 return false;
1625 }
1626
1627 if ( IsMultiLine() )
1628 {
1629 SetUpdateFont(true);
1630
1631 m_defaultStyle.SetFont(font);
1632
1633 ChangeFontGlobally();
1634 }
1635
1636 return true;
1637}
1638
1639void wxTextCtrl::ChangeFontGlobally()
1640{
1641 // this method is very inefficient and hence should be called as rarely as
1642 // possible!
1643 //
1644 // TODO: it can be implemented much more efficiently for GTK2
1645 wxASSERT_MSG( IsMultiLine(),
1646 wxT("shouldn't be called for single line controls") );
1647
1648 wxString value = GetValue();
1649 if ( !value.empty() )
1650 {
1651 SetUpdateFont(false);
1652
1653 Clear();
1654 AppendText(value);
1655 }
1656}
1657
1658bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1659{
1660 if ( !wxControl::SetForegroundColour(colour) )
1661 return false;
1662
1663 // update default fg colour too
1664 m_defaultStyle.SetTextColour(colour);
1665
1666 return true;
1667}
1668
1669bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1670{
1671 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1672
1673 if ( !wxControl::SetBackgroundColour( colour ) )
1674 return false;
1675
1676 if (!m_backgroundColour.IsOk())
1677 return false;
1678
1679 // change active background color too
1680 m_defaultStyle.SetBackgroundColour( colour );
1681
1682 return true;
1683}
1684
1685bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1686{
1687 if ( IsMultiLine() )
1688 {
1689 if ( style.IsDefault() )
1690 {
1691 // nothing to do
1692 return true;
1693 }
1694
1695 gint l = gtk_text_buffer_get_char_count( m_buffer );
1696
1697 wxCHECK_MSG( start >= 0 && end <= l, false,
1698 wxT("invalid range in wxTextCtrl::SetStyle") );
1699
1700 GtkTextIter starti, endi;
1701 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1702 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1703
1704 wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1705
1706 return true;
1707 }
1708 //else: single line text controls don't support styles
1709
1710 return false;
1711}
1712
1713bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
1714{
1715 if ( !IsMultiLine() )
1716 {
1717 // no styles for GtkEntry
1718 return false;
1719 }
1720
1721 gint l = gtk_text_buffer_get_char_count( m_buffer );
1722
1723 wxCHECK_MSG( position >= 0 && position <= l, false,
1724 wxT("invalid range in wxTextCtrl::GetStyle") );
1725
1726 GtkTextIter positioni;
1727 gtk_text_buffer_get_iter_at_offset(m_buffer, &positioni, position);
1728
1729 // Obtain a copy of the default attributes
1730 GtkTextAttributes * const
1731 pattr = gtk_text_view_get_default_attributes(GTK_TEXT_VIEW(m_text));
1732 wxON_BLOCK_EXIT1(gtk_text_attributes_unref, pattr);
1733
1734 // And query GTK for the attributes at the given position using it as base
1735 if ( !gtk_text_iter_get_attributes(&positioni, pattr) )
1736 {
1737 style = m_defaultStyle;
1738 }
1739 else // have custom attributes
1740 {
1741 style.SetBackgroundColour(pattr->appearance.bg_color);
1742 style.SetTextColour(pattr->appearance.fg_color);
1743
1744 const wxGtkString
1745 pangoFontString(pango_font_description_to_string(pattr->font));
1746
1747 wxFont font;
1748 if ( font.SetNativeFontInfo(wxString(pangoFontString)) )
1749 style.SetFont(font);
1750
1751 // TODO: set alignment, tabs and indents
1752 }
1753
1754 return true;
1755}
1756
1757void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1758{
1759 GTKApplyStyle(m_text, style);
1760}
1761
1762void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1763{
1764 Cut();
1765}
1766
1767void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1768{
1769 Copy();
1770}
1771
1772void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1773{
1774 Paste();
1775}
1776
1777void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1778{
1779 Undo();
1780}
1781
1782void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1783{
1784 Redo();
1785}
1786
1787void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1788{
1789 event.Enable( CanCut() );
1790}
1791
1792void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1793{
1794 event.Enable( CanCopy() );
1795}
1796
1797void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1798{
1799 event.Enable( CanPaste() );
1800}
1801
1802void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1803{
1804 event.Enable( CanUndo() );
1805}
1806
1807void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1808{
1809 event.Enable( CanRedo() );
1810}
1811
1812wxSize wxTextCtrl::DoGetBestSize() const
1813{
1814 // FIXME should be different for multi-line controls...
1815 wxSize ret( wxControl::DoGetBestSize() );
1816 wxSize best(80, ret.y);
1817 CacheBestSize(best);
1818 return best;
1819}
1820
1821// ----------------------------------------------------------------------------
1822// freeze/thaw
1823// ----------------------------------------------------------------------------
1824
1825void wxTextCtrl::DoFreeze()
1826{
1827 wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1828
1829 wxWindow::DoFreeze();
1830
1831 if ( HasFlag(wxTE_MULTILINE) )
1832 {
1833 GTKFreezeWidget(m_text);
1834
1835 // removing buffer dramatically speeds up insertion:
1836 g_object_ref(m_buffer);
1837 GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1838 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1839 // gtk_text_view_set_buffer adds its own reference
1840 g_object_unref(buf_new);
1841 // These marks should be deleted when the buffer is changed,
1842 // but they are not (in GTK+ up to at least 3.0.1).
1843 // Otherwise these anonymous marks start to build up in the buffer,
1844 // and Freeze takes longer and longer each time it is called.
1845 if (m_anonymousMarkList)
1846 {
1847 for (GSList* item = m_anonymousMarkList; item; item = item->next)
1848 {
1849 GtkTextMark* mark = static_cast<GtkTextMark*>(item->data);
1850 if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1851 gtk_text_buffer_delete_mark(m_buffer, mark);
1852 }
1853 g_slist_free(m_anonymousMarkList);
1854 m_anonymousMarkList = NULL;
1855 }
1856 }
1857}
1858
1859void wxTextCtrl::DoThaw()
1860{
1861 if ( HasFlag(wxTE_MULTILINE) )
1862 {
1863 // reattach buffer:
1864 gulong sig_id = g_signal_connect(m_buffer, "mark_set", G_CALLBACK(mark_set), &m_anonymousMarkList);
1865 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1866 g_object_unref(m_buffer);
1867 g_signal_handler_disconnect(m_buffer, sig_id);
1868
1869 if (m_showPositionOnThaw != NULL)
1870 {
1871 gtk_text_view_scroll_mark_onscreen(
1872 GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1873 m_showPositionOnThaw = NULL;
1874 }
1875
1876 // and thaw the window
1877 GTKThawWidget(m_text);
1878 }
1879
1880 wxWindow::DoThaw();
1881}
1882
1883// ----------------------------------------------------------------------------
1884// wxTextUrlEvent passing if style & wxTE_AUTO_URL
1885// ----------------------------------------------------------------------------
1886
1887// FIXME: when dragging on a link the sample gets an "Unknown event".
1888// This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1889// a buggy sample, or something else
1890void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1891{
1892 event.Skip();
1893 if( !HasFlag(wxTE_AUTO_URL) )
1894 return;
1895
1896 gint x, y;
1897 GtkTextIter start, end;
1898 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1899 "wxUrl");
1900
1901 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1902 event.GetX(), event.GetY(), &x, &y);
1903
1904 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1905 if (!gtk_text_iter_has_tag(&end, tag))
1906 {
1907 SetCursor(wxCursor(wxCURSOR_IBEAM));
1908 return;
1909 }
1910
1911 SetCursor(wxCursor(wxCURSOR_HAND));
1912
1913 start = end;
1914 if(!gtk_text_iter_begins_tag(&start, tag))
1915 gtk_text_iter_backward_to_tag_toggle(&start, tag);
1916 if(!gtk_text_iter_ends_tag(&end, tag))
1917 gtk_text_iter_forward_to_tag_toggle(&end, tag);
1918
1919 // Native context menu is probably not desired on an URL.
1920 // Consider making this dependent on ProcessEvent(wxTextUrlEvent) return value
1921 if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1922 event.Skip(false);
1923
1924 wxTextUrlEvent url_event(m_windowId, event,
1925 gtk_text_iter_get_offset(&start),
1926 gtk_text_iter_get_offset(&end));
1927
1928 InitCommandEvent(url_event);
1929 // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1930 //event.Skip(!HandleWindowEvent(url_event));
1931 HandleWindowEvent(url_event);
1932}
1933
1934bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1935{
1936 bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1937
1938 // GtkTextView starts a drag operation when left mouse button is pressed
1939 // and ends it when it is released and if it doesn't get the release event
1940 // the next click on a control results in an assertion failure inside
1941 // gtk_text_view_start_selection_drag() which simply *kills* the program
1942 // without anything we can do about it, so always let GTK+ have this event
1943 return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
1944}
1945
1946// static
1947wxVisualAttributes
1948wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1949{
1950 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
1951}
1952
1953#endif // wxUSE_TEXTCTRL
wxWidgets (Impactor)