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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/strconv.h"
26#include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo())
27
28#include <sys/types.h>
29#include <sys/stat.h>
30#include <ctype.h>
31
32#include "wx/gtk/private.h"
33
34// ----------------------------------------------------------------------------
35// helpers
36// ----------------------------------------------------------------------------
37
38extern "C" {
39static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
40 GtkTextTag *tag,
41 GtkTextIter * WXUNUSED(start),
42 GtkTextIter * WXUNUSED(end),
43 char *prefix)
44{
45 gchar *name;
46 g_object_get (tag, "name", &name, NULL);
47
48 if (!name || strncmp(name, prefix, strlen(prefix)))
49 // anonymous tag or not starting with prefix - don't remove
50 g_signal_stop_emission_by_name (buffer, "remove_tag");
51
52 g_free(name);
53}
54}
55
56// remove all tags starting with the given prefix from the start..end range
57static void
58wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer,
59 const char *prefix,
60 GtkTextIter *start,
61 GtkTextIter *end)
62{
63 gulong remove_handler_id = g_signal_connect
64 (
65 text_buffer,
66 "remove_tag",
67 G_CALLBACK(wxGtkOnRemoveTag),
68 gpointer(prefix)
69 );
70 gtk_text_buffer_remove_all_tags(text_buffer, start, end);
71 g_signal_handler_disconnect(text_buffer, remove_handler_id);
72}
73
74static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
75 GtkTextBuffer *text_buffer,
76 const wxTextAttr& attr,
77 GtkTextIter *start,
78 GtkTextIter *end)
79{
80 static gchar buf[1024];
81 GtkTextTag *tag;
82
83 if (attr.HasFont())
84 {
85 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end);
86
87 wxFont font(attr.GetFont());
88
89 PangoFontDescription *font_description = font.GetNativeFontInfo()->description;
90 wxGtkString font_string(pango_font_description_to_string(font_description));
91 g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
92 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
93 buf );
94 if (!tag)
95 tag = gtk_text_buffer_create_tag( text_buffer, buf,
96 "font-desc", font_description,
97 NULL );
98 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
99
100 if (font.GetUnderlined())
101 {
102 g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
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 "underline-set", TRUE,
108 "underline", PANGO_UNDERLINE_SINGLE,
109 NULL );
110 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
111 }
112 }
113
114 if (attr.HasTextColour())
115 {
116 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end);
117
118 const GdkColor *colFg = attr.GetTextColour().GetColor();
119 g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
120 colFg->red, colFg->green, colFg->blue);
121 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
122 buf );
123 if (!tag)
124 tag = gtk_text_buffer_create_tag( text_buffer, buf,
125 "foreground-gdk", colFg, NULL );
126 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
127 }
128
129 if (attr.HasBackgroundColour())
130 {
131 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end);
132
133 const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
134 g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
135 colBg->red, colBg->green, colBg->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 "background-gdk", colBg, NULL );
141 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
142 }
143
144 if (attr.HasAlignment())
145 {
146 GtkTextIter para_start, para_end = *end;
147 gtk_text_buffer_get_iter_at_line( text_buffer,
148 &para_start,
149 gtk_text_iter_get_line(start) );
150 gtk_text_iter_forward_line(&para_end);
151
152 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", start, end);
153
154 GtkJustification align;
155 switch (attr.GetAlignment())
156 {
157 default:
158 align = GTK_JUSTIFY_LEFT;
159 break;
160 case wxTEXT_ALIGNMENT_RIGHT:
161 align = GTK_JUSTIFY_RIGHT;
162 break;
163 case wxTEXT_ALIGNMENT_CENTER:
164 align = GTK_JUSTIFY_CENTER;
165 break;
166// gtk+ doesn't support justify before gtk+-2.11.0 with pango-1.17 being available
167// (but if new enough pango isn't available it's a mere gtk warning)
168#if GTK_CHECK_VERSION(2,11,0)
169 case wxTEXT_ALIGNMENT_JUSTIFIED:
170 if (!gtk_check_version(2,11,0))
171 align = GTK_JUSTIFY_FILL;
172 else
173 align = GTK_JUSTIFY_LEFT;
174 break;
175#endif
176 }
177
178 g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
179 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
180 buf );
181 if (!tag)
182 tag = gtk_text_buffer_create_tag( text_buffer, buf,
183 "justification", align, NULL );
184 gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
185 }
186
187 if (attr.HasLeftIndent())
188 {
189 // Indentation attribute
190
191 // Clear old indentation tags
192 GtkTextIter para_start, para_end = *end;
193 gtk_text_buffer_get_iter_at_line( text_buffer,
194 &para_start,
195 gtk_text_iter_get_line(start) );
196 gtk_text_iter_forward_line(&para_end);
197
198 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", start, end);
199
200 // Convert indent from 1/10th of a mm into pixels
201 float factor =
202 (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
203 gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
204
205 const int indent = (int)(factor * attr.GetLeftIndent());
206 const int subIndent = (int)(factor * attr.GetLeftSubIndent());
207
208 gint gindent;
209 gint gsubindent;
210
211 if (subIndent >= 0)
212 {
213 gindent = indent;
214 gsubindent = -subIndent;
215 }
216 else
217 {
218 gindent = -subIndent;
219 gsubindent = indent;
220 }
221
222 g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
223 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
224 buf );
225 if (!tag)
226 tag = gtk_text_buffer_create_tag( text_buffer, buf,
227 "left-margin", gindent, "indent", gsubindent, NULL );
228 gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
229 }
230
231 if (attr.HasTabs())
232 {
233 // Set tab stops
234
235 // Clear old tabs
236 GtkTextIter para_start, para_end = *end;
237 gtk_text_buffer_get_iter_at_line( text_buffer,
238 &para_start,
239 gtk_text_iter_get_line(start) );
240 gtk_text_iter_forward_line(&para_end);
241
242 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end);
243
244 const wxArrayInt& tabs = attr.GetTabs();
245
246 wxString tagname = _T("WXTABS");
247 g_snprintf(buf, sizeof(buf), "WXTABS");
248 for (size_t i = 0; i < tabs.GetCount(); i++)
249 tagname += wxString::Format(_T(" %d"), tabs[i]);
250
251 const wxWX2MBbuf buftag = tagname.utf8_str();
252
253 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
254 buftag );
255 if (!tag)
256 {
257 // Factor to convert from 1/10th of a mm into pixels
258 float factor =
259 (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
260 gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
261
262 PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
263 for (size_t i = 0; i < tabs.GetCount(); i++)
264 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
265 tag = gtk_text_buffer_create_tag( text_buffer, buftag,
266 "tabs", tabArray, NULL );
267 pango_tab_array_free(tabArray);
268 }
269 gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
270 }
271}
272
273static void wxGtkTextInsert(GtkWidget *text,
274 GtkTextBuffer *text_buffer,
275 const wxTextAttr& attr,
276 const wxCharBuffer& buffer)
277
278{
279 gint start_offset;
280 GtkTextIter iter, start;
281
282 gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
283 gtk_text_buffer_get_insert (text_buffer) );
284 start_offset = gtk_text_iter_get_offset (&iter);
285 gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
286
287 gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
288
289 wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
290}
291
292// Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
293
294extern "C" {
295static void
296au_apply_tag_callback(GtkTextBuffer *buffer,
297 GtkTextTag *tag,
298 GtkTextIter * WXUNUSED(start),
299 GtkTextIter * WXUNUSED(end),
300 gpointer WXUNUSED(textctrl))
301{
302 if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
303 g_signal_stop_emission_by_name (buffer, "apply_tag");
304}
305}
306
307//-----------------------------------------------------------------------------
308// GtkTextCharPredicates for gtk_text_iter_*_find_char
309//-----------------------------------------------------------------------------
310
311extern "C" {
312static gboolean
313pred_whitespace(gunichar ch, gpointer WXUNUSED(user_data))
314{
315 return g_unichar_isspace(ch);
316}
317}
318
319extern "C" {
320static gboolean
321pred_non_whitespace (gunichar ch, gpointer WXUNUSED(user_data))
322{
323 return !g_unichar_isspace(ch);
324}
325}
326
327extern "C" {
328static gboolean
329pred_nonpunct (gunichar ch, gpointer WXUNUSED(user_data))
330{
331 return !g_unichar_ispunct(ch);
332}
333}
334
335extern "C" {
336static gboolean
337pred_nonpunct_or_slash (gunichar ch, gpointer WXUNUSED(user_data))
338{
339 return !g_unichar_ispunct(ch) || ch == '/';
340}
341}
342
343//-----------------------------------------------------------------------------
344// Check for links between s and e and correct tags as necessary
345//-----------------------------------------------------------------------------
346
347// This function should be made match better while being efficient at one point.
348// Most probably with a row of regular expressions.
349extern "C" {
350static void
351au_check_word( GtkTextIter *s, GtkTextIter *e )
352{
353 static const char *URIPrefixes[] =
354 {
355 "http://",
356 "ftp://",
357 "www.",
358 "ftp.",
359 "mailto://",
360 "https://",
361 "file://",
362 "nntp://",
363 "news://",
364 "telnet://",
365 "mms://",
366 "gopher://",
367 "prospero://",
368 "wais://",
369 };
370
371 GtkTextIter start = *s, end = *e;
372 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
373
374 // Get our special link tag
375 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
376
377 // Get rid of punctuation from beginning and end.
378 // Might want to move this to au_check_range if an improved link checking doesn't
379 // use some intelligent punctuation checking itself (beware of undesired iter modifications).
380 if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
381 gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
382
383 gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
384 gtk_text_iter_forward_char(&end);
385
386 wxGtkString text(gtk_text_iter_get_text( &start, &end ));
387 size_t len = strlen(text), prefix_len;
388 size_t n;
389
390 for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
391 {
392 prefix_len = strlen(URIPrefixes[n]);
393 if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
394 break;
395 }
396
397 if(n < WXSIZEOF(URIPrefixes))
398 {
399 gulong signal_id = g_signal_handler_find (buffer,
400 (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
401 0, 0, NULL,
402 (gpointer)au_apply_tag_callback, NULL);
403
404 g_signal_handler_block (buffer, signal_id);
405 gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
406 g_signal_handler_unblock (buffer, signal_id);
407 }
408}
409}
410
411extern "C" {
412static void
413au_check_range(GtkTextIter *s,
414 GtkTextIter *range_end)
415{
416 GtkTextIter range_start = *s;
417 GtkTextIter word_end;
418 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
419 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
420
421 gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
422
423 if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
424 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
425
426 while(!gtk_text_iter_equal(&range_start, range_end))
427 {
428 word_end = range_start;
429 gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
430
431 // Now we should have a word delimited by range_start and word_end, correct link tags
432 au_check_word(&range_start, &word_end);
433
434 range_start = word_end;
435 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
436 }
437}
438}
439
440//-----------------------------------------------------------------------------
441// "insert-text" for GtkTextBuffer
442//-----------------------------------------------------------------------------
443
444extern "C" {
445static void
446au_insert_text_callback(GtkTextBuffer * WXUNUSED(buffer),
447 GtkTextIter *end,
448 gchar *text,
449 gint len,
450 wxTextCtrl *win)
451{
452 if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
453 return;
454
455 GtkTextIter start = *end;
456 gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
457
458 GtkTextIter line_start = start;
459 GtkTextIter line_end = *end;
460 GtkTextIter words_start = start;
461 GtkTextIter words_end = *end;
462
463 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
464 gtk_text_iter_forward_to_line_end(&line_end);
465 gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
466 gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
467
468 au_check_range(&words_start, &words_end);
469}
470}
471
472//-----------------------------------------------------------------------------
473// "delete-range" for GtkTextBuffer
474//-----------------------------------------------------------------------------
475
476extern "C" {
477static void
478au_delete_range_callback(GtkTextBuffer * WXUNUSED(buffer),
479 GtkTextIter *start,
480 GtkTextIter *end,
481 wxTextCtrl *win)
482{
483 if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
484 return;
485
486 GtkTextIter line_start = *start, line_end = *end;
487
488 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
489 gtk_text_iter_forward_to_line_end(&line_end);
490 gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
491 gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
492
493 au_check_range(start, end);
494}
495}
496
497
498//-----------------------------------------------------------------------------
499// "changed"
500//-----------------------------------------------------------------------------
501
502extern "C" {
503static void
504gtk_text_changed_callback( GtkWidget * WXUNUSED(widget), wxTextCtrl *win )
505{
506 if ( win->IgnoreTextUpdate() )
507 return;
508
509 if (!win->m_hasVMT) return;
510
511 if ( win->MarkDirtyOnChange() )
512 win->MarkDirty();
513
514 win->SendTextUpdatedEvent();
515}
516}
517
518//-----------------------------------------------------------------------------
519// clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
520//-----------------------------------------------------------------------------
521
522// common part of the event handlers below
523static void
524handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
525 wxEventType eventType, const gchar * signal_name)
526{
527 wxClipboardTextEvent event( eventType, win->GetId() );
528 event.SetEventObject( win );
529 if ( win->HandleWindowEvent( event ) )
530 {
531 // don't let the default processing to take place if we did something
532 // ourselves in the event handler
533 g_signal_stop_emission_by_name (widget, signal_name);
534 }
535}
536
537extern "C" {
538static void
539gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
540{
541 handle_text_clipboard_callback(
542 widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
543}
544
545static void
546gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
547{
548 handle_text_clipboard_callback(
549 widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
550}
551
552static void
553gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
554{
555 handle_text_clipboard_callback(
556 widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
557}
558}
559
560//-----------------------------------------------------------------------------
561// "expose_event" from scrolled window and textview
562//-----------------------------------------------------------------------------
563
564extern "C" {
565static gboolean
566gtk_text_exposed_callback( GtkWidget * WXUNUSED(widget),
567 GdkEventExpose * WXUNUSED(event),
568 wxTextCtrl * WXUNUSED(win) )
569{
570 return TRUE;
571}
572}
573
574
575//-----------------------------------------------------------------------------
576// wxTextCtrl
577//-----------------------------------------------------------------------------
578
579IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
580
581BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
582 EVT_CHAR(wxTextCtrl::OnChar)
583
584 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
585 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
586 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
587 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
588 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
589
590 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
591 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
592 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
593 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
594 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
595
596 // wxTE_AUTO_URL wxTextUrl support. Currently only creates
597 // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
598 EVT_MOTION (wxTextCtrl::OnUrlMouseEvent)
599 EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent)
600 EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent)
601 EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
602 EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent)
603 EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent)
604 EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
605END_EVENT_TABLE()
606
607void wxTextCtrl::Init()
608{
609 m_dontMarkDirty =
610 m_modified = false;
611
612 m_countUpdatesToIgnore = 0;
613
614 SetUpdateFont(false);
615
616 m_text = NULL;
617 m_freezeCount = 0;
618 m_showPositionOnThaw = NULL;
619 m_gdkHandCursor = NULL;
620 m_gdkXTermCursor = NULL;
621}
622
623wxTextCtrl::~wxTextCtrl()
624{
625 if(m_gdkHandCursor)
626 gdk_cursor_unref(m_gdkHandCursor);
627 if(m_gdkXTermCursor)
628 gdk_cursor_unref(m_gdkXTermCursor);
629}
630
631wxTextCtrl::wxTextCtrl( wxWindow *parent,
632 wxWindowID id,
633 const wxString &value,
634 const wxPoint &pos,
635 const wxSize &size,
636 long style,
637 const wxValidator& validator,
638 const wxString &name )
639{
640 Init();
641
642 Create( parent, id, value, pos, size, style, validator, name );
643}
644
645bool wxTextCtrl::Create( wxWindow *parent,
646 wxWindowID id,
647 const wxString &value,
648 const wxPoint &pos,
649 const wxSize &size,
650 long style,
651 const wxValidator& validator,
652 const wxString &name )
653{
654 if (!PreCreation( parent, pos, size ) ||
655 !CreateBase( parent, id, pos, size, style, validator, name ))
656 {
657 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
658 return false;
659 }
660
661 bool multi_line = (style & wxTE_MULTILINE) != 0;
662
663 if (multi_line)
664 {
665 // Create view
666 m_text = gtk_text_view_new();
667
668 m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
669
670 // create "ShowPosition" marker
671 GtkTextIter iter;
672 gtk_text_buffer_get_start_iter(m_buffer, &iter);
673 gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
674
675 // create scrolled window
676 m_widget = gtk_scrolled_window_new( NULL, NULL );
677 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
678 GTK_POLICY_AUTOMATIC,
679 style & wxTE_NO_VSCROLL
680 ? GTK_POLICY_NEVER
681 : GTK_POLICY_AUTOMATIC );
682 // for ScrollLines/Pages
683 m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
684
685 // Insert view into scrolled window
686 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
687
688 GTKSetWrapMode();
689
690 GtkScrolledWindowSetBorder(m_widget, style);
691
692 gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
693
694 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
695 }
696 else
697 {
698 // a single-line text control: no need for scrollbars
699 m_widget =
700 m_text = gtk_entry_new();
701
702 if (style & wxNO_BORDER)
703 g_object_set (m_text, "has-frame", FALSE, NULL);
704
705 }
706
707 m_parent->DoAddChild( this );
708
709 m_focusWidget = m_text;
710
711 PostCreation(size);
712
713 if (multi_line)
714 {
715 gtk_widget_show(m_text);
716 }
717
718 // We want to be notified about text changes.
719 if (multi_line)
720 {
721 g_signal_connect (m_buffer, "changed",
722 G_CALLBACK (gtk_text_changed_callback), this);
723 }
724 else
725 {
726 g_signal_connect (m_text, "changed",
727 G_CALLBACK (gtk_text_changed_callback), this);
728 }
729
730 if (!value.empty())
731 {
732 SetValue( value );
733 }
734
735 if (style & wxTE_PASSWORD)
736 GTKSetVisibility();
737
738 if (style & wxTE_READONLY)
739 GTKSetEditable();
740
741 // left justification (alignment) is the default anyhow
742 if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
743 GTKSetJustification();
744
745 if (multi_line)
746 {
747 // Handle URLs on multi-line controls with wxTE_AUTO_URL style
748 if (style & wxTE_AUTO_URL)
749 {
750 GtkTextIter start, end;
751 m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
752 m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
753
754 // We create our wxUrl tag here for slight efficiency gain - we
755 // don't have to check for the tag existance in callbacks,
756 // hereby it's guaranteed to exist.
757 gtk_text_buffer_create_tag(m_buffer, "wxUrl",
758 "foreground", "blue",
759 "underline", PANGO_UNDERLINE_SINGLE,
760 NULL);
761
762 // Check for URLs after each text change
763 g_signal_connect_after (m_buffer, "insert_text",
764 G_CALLBACK (au_insert_text_callback), this);
765 g_signal_connect_after (m_buffer, "delete_range",
766 G_CALLBACK (au_delete_range_callback), this);
767
768 // Block all wxUrl tag applying unless we do it ourselves, in which case we
769 // block this callback temporarily. This takes care of gtk+ internal
770 // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
771 // which is undesired because only a part of the URL might be copied.
772 // The insert-text signal emitted inside it will take care of newly formed
773 // or wholly copied URLs.
774 g_signal_connect (m_buffer, "apply_tag",
775 G_CALLBACK (au_apply_tag_callback), NULL);
776
777 // Check for URLs in the initial string passed to Create
778 gtk_text_buffer_get_start_iter(m_buffer, &start);
779 gtk_text_buffer_get_end_iter(m_buffer, &end);
780 au_check_range(&start, &end);
781 }
782 }
783 else // single line
784 {
785 // do the right thing with Enter presses depending on whether we have
786 // wxTE_PROCESS_ENTER or not
787 GTKSetActivatesDefault();
788 }
789
790
791 g_signal_connect (m_text, "copy-clipboard",
792 G_CALLBACK (gtk_copy_clipboard_callback), this);
793 g_signal_connect (m_text, "cut-clipboard",
794 G_CALLBACK (gtk_cut_clipboard_callback), this);
795 g_signal_connect (m_text, "paste-clipboard",
796 G_CALLBACK (gtk_paste_clipboard_callback), this);
797
798 m_cursor = wxCursor( wxCURSOR_IBEAM );
799
800 return true;
801}
802
803GtkEditable *wxTextCtrl::GetEditable() const
804{
805 wxCHECK_MSG( IsSingleLine(), NULL, "shouldn't be called for multiline" );
806
807 return GTK_EDITABLE(m_text);
808}
809
810// ----------------------------------------------------------------------------
811// flags handling
812// ----------------------------------------------------------------------------
813
814void wxTextCtrl::GTKSetEditable()
815{
816 gboolean editable = !HasFlag(wxTE_READONLY);
817 if ( IsSingleLine() )
818 gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
819 else
820 gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
821}
822
823void wxTextCtrl::GTKSetVisibility()
824{
825 wxCHECK_RET( IsSingleLine(),
826 "wxTE_PASSWORD is for single line text controls only" );
827
828 gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
829}
830
831void wxTextCtrl::GTKSetActivatesDefault()
832{
833 wxCHECK_RET( IsSingleLine(),
834 "wxTE_PROCESS_ENTER is for single line text controls only" );
835
836 gtk_entry_set_activates_default(GTK_ENTRY(m_text),
837 !HasFlag(wxTE_PROCESS_ENTER));
838}
839
840void wxTextCtrl::GTKSetWrapMode()
841{
842 // no wrapping in single line controls
843 if ( !IsMultiLine() )
844 return;
845
846 // translate wx wrapping style to GTK+
847 GtkWrapMode wrap;
848 if ( HasFlag( wxTE_DONTWRAP ) )
849 wrap = GTK_WRAP_NONE;
850 else if ( HasFlag( wxTE_CHARWRAP ) )
851 wrap = GTK_WRAP_CHAR;
852 else if ( HasFlag( wxTE_WORDWRAP ) )
853 wrap = GTK_WRAP_WORD;
854 else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
855 wrap = GTK_WRAP_WORD_CHAR;
856
857 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
858}
859
860void wxTextCtrl::GTKSetJustification()
861{
862 if ( IsMultiLine() )
863 {
864 GtkJustification just;
865 if ( HasFlag(wxTE_RIGHT) )
866 just = GTK_JUSTIFY_RIGHT;
867 else if ( HasFlag(wxTE_CENTRE) )
868 just = GTK_JUSTIFY_CENTER;
869 else // wxTE_LEFT == 0
870 just = GTK_JUSTIFY_LEFT;
871
872 gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
873 }
874 else // single line
875 {
876 gfloat align;
877 if ( HasFlag(wxTE_RIGHT) )
878 align = 1.0;
879 else if ( HasFlag(wxTE_CENTRE) )
880 align = 0.5;
881 else // single line
882 align = 0.0;
883
884 gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
885 }
886}
887
888void wxTextCtrl::SetWindowStyleFlag(long style)
889{
890 long styleOld = GetWindowStyleFlag();
891
892 wxTextCtrlBase::SetWindowStyleFlag(style);
893
894 if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
895 GTKSetEditable();
896
897 if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
898 GTKSetVisibility();
899
900 if ( (style & wxTE_PROCESS_ENTER) != (styleOld & wxTE_PROCESS_ENTER) )
901 GTKSetActivatesDefault();
902
903 static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
904 if ( (style & flagsWrap) != (styleOld & flagsWrap) )
905 GTKSetWrapMode();
906
907 static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
908 if ( (style & flagsAlign) != (styleOld & flagsAlign) )
909 GTKSetJustification();
910}
911
912// ----------------------------------------------------------------------------
913// control value
914// ----------------------------------------------------------------------------
915
916wxString wxTextCtrl::GetValue() const
917{
918 wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
919
920 if ( IsMultiLine() )
921 {
922 GtkTextIter start;
923 gtk_text_buffer_get_start_iter( m_buffer, &start );
924 GtkTextIter end;
925 gtk_text_buffer_get_end_iter( m_buffer, &end );
926 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
927
928 return wxGTK_CONV_BACK(text);
929 }
930 else // single line
931 {
932 return wxTextEntry::GetValue();
933 }
934}
935
936wxFontEncoding wxTextCtrl::GetTextEncoding() const
937{
938 // GTK+ uses UTF-8 internally, we need to convert to it but from which
939 // encoding?
940
941 // first check the default text style (we intentionally don't check the
942 // style for the current position as it doesn't make sense for SetValue())
943 const wxTextAttr& style = GetDefaultStyle();
944 wxFontEncoding enc = style.HasFontEncoding() ? style.GetFontEncoding()
945 : wxFONTENCODING_SYSTEM;
946
947 // fall back to the controls font if no style
948 if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
949 enc = GetFont().GetEncoding();
950
951 return enc;
952}
953
954bool wxTextCtrl::IsEmpty() const
955{
956 if ( IsMultiLine() )
957 return gtk_text_buffer_get_char_count(m_buffer) == 0;
958
959 return wxTextEntry::IsEmpty();
960}
961
962void wxTextCtrl::DoSetValue( const wxString &value, int flags )
963{
964 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
965
966 m_modified = false;
967
968 if ( !IsMultiLine() )
969 {
970 wxTextEntry::DoSetValue(value, flags);
971 return;
972 }
973
974 wxFontEncoding enc = m_defaultStyle.HasFont()
975 ? m_defaultStyle.GetFont().GetEncoding()
976 : wxFONTENCODING_SYSTEM;
977 if ( enc == wxFONTENCODING_SYSTEM )
978 enc = GetTextEncoding();
979
980 const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
981 if ( !buffer )
982 {
983 // see comment in WriteText() as to why we must warn the user about
984 // this
985 wxLogWarning(_("Failed to set text in the text control."));
986 return;
987 }
988
989 if ( !(flags & SetValue_SendEvent) )
990 {
991 EnableTextChangedEvents(false);
992 }
993
994 gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
995
996 if ( !m_defaultStyle.IsDefault() )
997 {
998 GtkTextIter start, end;
999 gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1000 wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1001 &start, &end);
1002 }
1003
1004 if ( !(flags & SetValue_SendEvent) )
1005 {
1006 EnableTextChangedEvents(true);
1007 }
1008
1009 // This was added after discussion on the list
1010 SetInsertionPoint(0);
1011}
1012
1013void wxTextCtrl::WriteText( const wxString &text )
1014{
1015 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1016
1017 // we're changing the text programmatically
1018 DontMarkDirtyOnNextChange();
1019
1020 if ( !IsMultiLine() )
1021 {
1022 wxTextEntry::WriteText(text);
1023 return;
1024 }
1025
1026 // check if we have a specific style for the current position
1027 wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1028 wxTextAttr style;
1029 if ( GetStyle(GetInsertionPoint(), style) && style.HasFontEncoding() )
1030 {
1031 enc = style.GetFontEncoding();
1032 }
1033
1034 if ( enc == wxFONTENCODING_SYSTEM )
1035 enc = GetTextEncoding();
1036
1037 const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1038 if ( !buffer )
1039 {
1040 // we must log an error here as losing the text like this can be a
1041 // serious problem (e.g. imagine the document edited by user being
1042 // empty instead of containing the correct text)
1043 wxLogWarning(_("Failed to insert text in the control."));
1044 return;
1045 }
1046
1047 // First remove the selection if there is one
1048 // TODO: Is there an easier GTK specific way to do this?
1049 long from, to;
1050 GetSelection(&from, &to);
1051 if (from != to)
1052 Remove(from, to);
1053
1054 // Insert the text
1055 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1056
1057 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1058 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1059 // won't work when frozen, text view is not using m_buffer then
1060 if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1061 {
1062 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1063 gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1064 }
1065}
1066
1067wxString wxTextCtrl::GetLineText( long lineNo ) const
1068{
1069 wxString result;
1070 if ( IsMultiLine() )
1071 {
1072 GtkTextIter line;
1073 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1074
1075 GtkTextIter end = line;
1076 // avoid skipping to the next line end if this one is empty
1077 if ( !gtk_text_iter_ends_line(&line) )
1078 gtk_text_iter_forward_to_line_end(&end);
1079
1080 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1081 result = wxGTK_CONV_BACK(text);
1082 }
1083 else
1084 {
1085 if (lineNo == 0)
1086 result = GetValue();
1087 }
1088 return result;
1089}
1090
1091void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1092{
1093 /* If you implement this, don't forget to update the documentation!
1094 * (file docs/latex/wx/text.tex) */
1095 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1096}
1097
1098bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1099{
1100 if ( IsMultiLine() )
1101 {
1102 GtkTextIter iter;
1103
1104 if (pos > GetLastPosition())
1105 return false;
1106
1107 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1108
1109 if ( y )
1110 *y = gtk_text_iter_get_line(&iter);
1111 if ( x )
1112 *x = gtk_text_iter_get_line_offset(&iter);
1113 }
1114 else // single line control
1115 {
1116 if ( pos <= GTK_ENTRY(m_text)->text_length )
1117 {
1118 if ( y )
1119 *y = 0;
1120 if ( x )
1121 *x = pos;
1122 }
1123 else
1124 {
1125 // index out of bounds
1126 return false;
1127 }
1128 }
1129
1130 return true;
1131}
1132
1133long wxTextCtrl::XYToPosition(long x, long y ) const
1134{
1135 if ( IsSingleLine() )
1136 return 0;
1137
1138 GtkTextIter iter;
1139 if (y >= gtk_text_buffer_get_line_count (m_buffer))
1140 return -1;
1141
1142 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1143 if (x >= gtk_text_iter_get_chars_in_line (&iter))
1144 return -1;
1145
1146 return gtk_text_iter_get_offset(&iter) + x;
1147}
1148
1149int wxTextCtrl::GetLineLength(long lineNo) const
1150{
1151 if ( IsMultiLine() )
1152 {
1153 int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1154 if (lineNo > last_line)
1155 return -1;
1156
1157 GtkTextIter iter;
1158 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1159 // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1160 return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1161 }
1162 else
1163 {
1164 wxString str = GetLineText (lineNo);
1165 return (int) str.length();
1166 }
1167}
1168
1169int wxTextCtrl::GetNumberOfLines() const
1170{
1171 if ( IsMultiLine() )
1172 {
1173 return gtk_text_buffer_get_line_count( m_buffer );
1174 }
1175 else // single line
1176 {
1177 return 1;
1178 }
1179}
1180
1181void wxTextCtrl::SetInsertionPoint( long pos )
1182{
1183 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1184
1185 if ( IsMultiLine() )
1186 {
1187 GtkTextIter iter;
1188 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1189 gtk_text_buffer_place_cursor( m_buffer, &iter );
1190 GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1191 if (IsFrozen())
1192 // defer until Thaw, text view is not using m_buffer now
1193 m_showPositionOnThaw = mark;
1194 else
1195 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1196 }
1197 else // single line
1198 {
1199 wxTextEntry::SetInsertionPoint(pos);
1200 }
1201}
1202
1203void wxTextCtrl::SetEditable( bool editable )
1204{
1205 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1206
1207 if ( IsMultiLine() )
1208 {
1209 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1210 }
1211 else // single line
1212 {
1213 wxTextEntry::SetEditable(editable);
1214 }
1215}
1216
1217bool wxTextCtrl::Enable( bool enable )
1218{
1219 if (!wxWindowBase::Enable(enable))
1220 {
1221 // nothing to do
1222 return false;
1223 }
1224
1225 gtk_widget_set_sensitive( m_text, enable );
1226
1227 return true;
1228}
1229
1230// wxGTK-specific: called recursively by Enable,
1231// to give widgets an opportunity to correct their colours after they
1232// have been changed by Enable
1233void wxTextCtrl::OnEnabled(bool WXUNUSED(enable))
1234{
1235 // If we have a custom background colour, we use this colour in both
1236 // disabled and enabled mode, or we end up with a different colour under the
1237 // text.
1238 wxColour oldColour = GetBackgroundColour();
1239 if (oldColour.Ok())
1240 {
1241 // Need to set twice or it'll optimize the useful stuff out
1242 if (oldColour == * wxWHITE)
1243 SetBackgroundColour(*wxBLACK);
1244 else
1245 SetBackgroundColour(*wxWHITE);
1246 SetBackgroundColour(oldColour);
1247 }
1248}
1249
1250void wxTextCtrl::MarkDirty()
1251{
1252 m_modified = true;
1253}
1254
1255void wxTextCtrl::DiscardEdits()
1256{
1257 m_modified = false;
1258}
1259
1260// ----------------------------------------------------------------------------
1261// event handling
1262// ----------------------------------------------------------------------------
1263
1264void wxTextCtrl::EnableTextChangedEvents(bool enable)
1265{
1266 if ( enable )
1267 {
1268 g_signal_handlers_unblock_by_func(GetTextObject(),
1269 (gpointer)gtk_text_changed_callback, this);
1270 }
1271 else // disable events
1272 {
1273 g_signal_handlers_block_by_func(GetTextObject(),
1274 (gpointer)gtk_text_changed_callback, this);
1275 }
1276}
1277
1278bool wxTextCtrl::IgnoreTextUpdate()
1279{
1280 if ( m_countUpdatesToIgnore > 0 )
1281 {
1282 m_countUpdatesToIgnore--;
1283
1284 return true;
1285 }
1286
1287 return false;
1288}
1289
1290bool wxTextCtrl::MarkDirtyOnChange()
1291{
1292 if ( m_dontMarkDirty )
1293 {
1294 m_dontMarkDirty = false;
1295
1296 return false;
1297 }
1298
1299 return true;
1300}
1301
1302void wxTextCtrl::SetSelection( long from, long to )
1303{
1304 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1305
1306 if (from == -1 && to == -1)
1307 {
1308 from = 0;
1309 to = GetValue().length();
1310 }
1311
1312 if ( IsMultiLine() )
1313 {
1314 GtkTextIter fromi, toi;
1315 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1316 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1317
1318 gtk_text_buffer_place_cursor( m_buffer, &toi );
1319 gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1320 }
1321 else // single line
1322 {
1323 wxTextEntry::SetSelection(from, to);
1324 }
1325}
1326
1327void wxTextCtrl::ShowPosition( long pos )
1328{
1329 if (IsMultiLine())
1330 {
1331 GtkTextIter iter;
1332 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1333 GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1334 gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1335 if (IsFrozen())
1336 // defer until Thaw, text view is not using m_buffer now
1337 m_showPositionOnThaw = mark;
1338 else
1339 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1340 }
1341}
1342
1343wxTextCtrlHitTestResult
1344wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1345{
1346 if ( !IsMultiLine() )
1347 {
1348 // not supported
1349 return wxTE_HT_UNKNOWN;
1350 }
1351
1352 int x, y;
1353 gtk_text_view_window_to_buffer_coords
1354 (
1355 GTK_TEXT_VIEW(m_text),
1356 GTK_TEXT_WINDOW_TEXT,
1357 pt.x, pt.y,
1358 &x, &y
1359 );
1360
1361 GtkTextIter iter;
1362 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1363 if ( pos )
1364 *pos = gtk_text_iter_get_offset(&iter);
1365
1366 return wxTE_HT_ON_TEXT;
1367}
1368
1369long wxTextCtrl::GetInsertionPoint() const
1370{
1371 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1372
1373 if ( IsMultiLine() )
1374 {
1375 // There is no direct accessor for the cursor, but
1376 // internally, the cursor is the "mark" called
1377 // "insert" in the text view's btree structure.
1378
1379 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1380 GtkTextIter cursor;
1381 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1382
1383 return gtk_text_iter_get_offset( &cursor );
1384 }
1385 else
1386 {
1387 return wxTextEntry::GetInsertionPoint();
1388 }
1389}
1390
1391wxTextPos wxTextCtrl::GetLastPosition() const
1392{
1393 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1394
1395 int pos = 0;
1396
1397 if ( IsMultiLine() )
1398 {
1399 GtkTextIter end;
1400 gtk_text_buffer_get_end_iter( m_buffer, &end );
1401
1402 pos = gtk_text_iter_get_offset( &end );
1403 }
1404 else // single line
1405 {
1406 pos = wxTextEntry::GetLastPosition();
1407 }
1408
1409 return (long)pos;
1410}
1411
1412void wxTextCtrl::Remove( long from, long to )
1413{
1414 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1415
1416 if ( IsMultiLine() )
1417 {
1418 GtkTextIter fromi, toi;
1419 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1420 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1421
1422 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1423 }
1424 else // single line
1425 {
1426 wxTextEntry::Remove(from, to);
1427 }
1428}
1429
1430void wxTextCtrl::Cut()
1431{
1432 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1433
1434 if ( IsMultiLine() )
1435 g_signal_emit_by_name (m_text, "cut-clipboard");
1436 else
1437 wxTextEntry::Cut();
1438}
1439
1440void wxTextCtrl::Copy()
1441{
1442 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1443
1444 if ( IsMultiLine() )
1445 g_signal_emit_by_name (m_text, "copy-clipboard");
1446 else
1447 wxTextEntry::Copy();
1448}
1449
1450void wxTextCtrl::Paste()
1451{
1452 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1453
1454 if ( IsMultiLine() )
1455 g_signal_emit_by_name (m_text, "paste-clipboard");
1456 else
1457 wxTextEntry::Paste();
1458}
1459
1460// If the return values from and to are the same, there is no
1461// selection.
1462void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1463{
1464 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1465
1466 if ( !IsMultiLine() )
1467 {
1468 wxTextEntry::GetSelection(fromOut, toOut);
1469 return;
1470 }
1471
1472 gint from, to;
1473
1474 GtkTextIter ifrom, ito;
1475 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1476 {
1477 from = gtk_text_iter_get_offset(&ifrom);
1478 to = gtk_text_iter_get_offset(&ito);
1479
1480 if ( from > to )
1481 {
1482 // exchange them to be compatible with wxMSW
1483 gint tmp = from;
1484 from = to;
1485 to = tmp;
1486 }
1487 }
1488 else // no selection
1489 {
1490 from =
1491 to = GetInsertionPoint();
1492 }
1493
1494 if ( fromOut )
1495 *fromOut = from;
1496 if ( toOut )
1497 *toOut = to;
1498}
1499
1500
1501bool wxTextCtrl::IsEditable() const
1502{
1503 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1504
1505 if ( IsMultiLine() )
1506 {
1507 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1508 }
1509 else
1510 {
1511 return wxTextEntry::IsEditable();
1512 }
1513}
1514
1515bool wxTextCtrl::IsModified() const
1516{
1517 return m_modified;
1518}
1519
1520void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1521{
1522 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1523
1524 if ( key_event.GetKeyCode() == WXK_RETURN )
1525 {
1526 if ( HasFlag(wxTE_PROCESS_ENTER) )
1527 {
1528 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1529 event.SetEventObject(this);
1530 event.SetString(GetValue());
1531 if ( HandleWindowEvent(event) )
1532 return;
1533 }
1534 }
1535
1536 key_event.Skip();
1537}
1538
1539GtkWidget* wxTextCtrl::GetConnectWidget()
1540{
1541 return GTK_WIDGET(m_text);
1542}
1543
1544GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1545{
1546 if ( IsMultiLine() )
1547 {
1548 return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1549 GTK_TEXT_WINDOW_TEXT );
1550 }
1551 else
1552 {
1553 return GTK_ENTRY(m_text)->text_area;
1554 }
1555}
1556
1557// the font will change for subsequent text insertiongs
1558bool wxTextCtrl::SetFont( const wxFont &font )
1559{
1560 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1561
1562 if ( !wxTextCtrlBase::SetFont(font) )
1563 {
1564 // font didn't change, nothing to do
1565 return false;
1566 }
1567
1568 if ( IsMultiLine() )
1569 {
1570 SetUpdateFont(true);
1571
1572 m_defaultStyle.SetFont(font);
1573
1574 ChangeFontGlobally();
1575 }
1576
1577 return true;
1578}
1579
1580void wxTextCtrl::ChangeFontGlobally()
1581{
1582 // this method is very inefficient and hence should be called as rarely as
1583 // possible!
1584 //
1585 // TODO: it can be implemented much more efficiently for GTK2
1586 wxASSERT_MSG( IsMultiLine(),
1587 _T("shouldn't be called for single line controls") );
1588
1589 wxString value = GetValue();
1590 if ( !value.empty() )
1591 {
1592 SetUpdateFont(false);
1593
1594 Clear();
1595 AppendText(value);
1596 }
1597}
1598
1599bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1600{
1601 if ( !wxControl::SetForegroundColour(colour) )
1602 return false;
1603
1604 // update default fg colour too
1605 m_defaultStyle.SetTextColour(colour);
1606
1607 return true;
1608}
1609
1610bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1611{
1612 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1613
1614 if ( !wxControl::SetBackgroundColour( colour ) )
1615 return false;
1616
1617 if (!m_backgroundColour.Ok())
1618 return false;
1619
1620 // change active background color too
1621 m_defaultStyle.SetBackgroundColour( colour );
1622
1623 return true;
1624}
1625
1626bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1627{
1628 if ( IsMultiLine() )
1629 {
1630 if ( style.IsDefault() )
1631 {
1632 // nothing to do
1633 return true;
1634 }
1635
1636 gint l = gtk_text_buffer_get_char_count( m_buffer );
1637
1638 wxCHECK_MSG( start >= 0 && end <= l, false,
1639 _T("invalid range in wxTextCtrl::SetStyle") );
1640
1641 GtkTextIter starti, endi;
1642 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1643 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1644
1645 wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1646
1647 return true;
1648 }
1649 //else: single line text controls don't support styles
1650
1651 return false;
1652}
1653
1654void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1655{
1656 gtk_widget_modify_style(m_text, style);
1657}
1658
1659void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1660{
1661 Cut();
1662}
1663
1664void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1665{
1666 Copy();
1667}
1668
1669void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1670{
1671 Paste();
1672}
1673
1674void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1675{
1676 Undo();
1677}
1678
1679void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1680{
1681 Redo();
1682}
1683
1684void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1685{
1686 event.Enable( CanCut() );
1687}
1688
1689void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1690{
1691 event.Enable( CanCopy() );
1692}
1693
1694void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1695{
1696 event.Enable( CanPaste() );
1697}
1698
1699void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1700{
1701 event.Enable( CanUndo() );
1702}
1703
1704void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1705{
1706 event.Enable( CanRedo() );
1707}
1708
1709wxSize wxTextCtrl::DoGetBestSize() const
1710{
1711 // FIXME should be different for multi-line controls...
1712 wxSize ret( wxControl::DoGetBestSize() );
1713 wxSize best(80, ret.y);
1714 CacheBestSize(best);
1715 return best;
1716}
1717
1718// ----------------------------------------------------------------------------
1719// freeze/thaw
1720// ----------------------------------------------------------------------------
1721
1722void wxTextCtrl::Freeze()
1723{
1724 wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1725
1726 if ( HasFlag(wxTE_MULTILINE) )
1727 {
1728 if (m_freezeCount++ == 0)
1729 {
1730 // freeze textview updates and remove buffer
1731 g_signal_connect (m_text, "expose_event",
1732 G_CALLBACK (gtk_text_exposed_callback), this);
1733 g_signal_connect (m_widget, "expose_event",
1734 G_CALLBACK (gtk_text_exposed_callback), this);
1735 gtk_widget_set_sensitive(m_widget, false);
1736 g_object_ref(m_buffer);
1737 GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1738 GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1739 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1740 // gtk_text_view_set_buffer adds its own reference
1741 g_object_unref(buf_new);
1742 // This mark should be deleted when the buffer is changed,
1743 // but it's not (in GTK+ up to at least 2.10.6).
1744 // Otherwise these anonymous marks start to build up in the buffer,
1745 // and Freeze takes longer and longer each time it is called.
1746 if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1747 gtk_text_buffer_delete_mark(m_buffer, mark);
1748 }
1749 }
1750}
1751
1752void wxTextCtrl::Thaw()
1753{
1754 if ( HasFlag(wxTE_MULTILINE) )
1755 {
1756 wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
1757
1758 if (--m_freezeCount == 0)
1759 {
1760 // Reattach buffer and thaw textview updates
1761 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1762 g_object_unref(m_buffer);
1763 gtk_widget_set_sensitive(m_widget, true);
1764 g_signal_handlers_disconnect_by_func (m_widget,
1765 (gpointer) gtk_text_exposed_callback, this);
1766 g_signal_handlers_disconnect_by_func (m_text,
1767 (gpointer) gtk_text_exposed_callback, this);
1768 if (m_showPositionOnThaw != NULL)
1769 {
1770 gtk_text_view_scroll_mark_onscreen(
1771 GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1772 m_showPositionOnThaw = NULL;
1773 }
1774 }
1775 }
1776}
1777
1778// ----------------------------------------------------------------------------
1779// wxTextUrlEvent passing if style & wxTE_AUTO_URL
1780// ----------------------------------------------------------------------------
1781
1782// FIXME: when dragging on a link the sample gets an "Unknown event".
1783// This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1784// a buggy sample, or something else
1785void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1786{
1787 event.Skip();
1788 if( !HasFlag(wxTE_AUTO_URL) )
1789 return;
1790
1791 gint x, y;
1792 GtkTextIter start, end;
1793 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1794 "wxUrl");
1795
1796 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1797 event.GetX(), event.GetY(), &x, &y);
1798
1799 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1800 if (!gtk_text_iter_has_tag(&end, tag))
1801 {
1802 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1803 GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1804 return;
1805 }
1806
1807 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1808 GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1809
1810 start = end;
1811 if(!gtk_text_iter_begins_tag(&start, tag))
1812 gtk_text_iter_backward_to_tag_toggle(&start, tag);
1813 if(!gtk_text_iter_ends_tag(&end, tag))
1814 gtk_text_iter_forward_to_tag_toggle(&end, tag);
1815
1816 // Native context menu is probably not desired on an URL.
1817 // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1818 if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1819 event.Skip(false);
1820
1821 wxTextUrlEvent url_event(m_windowId, event,
1822 gtk_text_iter_get_offset(&start),
1823 gtk_text_iter_get_offset(&end));
1824
1825 InitCommandEvent(url_event);
1826 // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1827 //event.Skip(!HandleWindowEvent(url_event));
1828 HandleWindowEvent(url_event);
1829}
1830
1831bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1832{
1833 bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1834
1835 // GtkTextView starts a drag operation when left mouse button is pressed
1836 // and ends it when it is released and if it doesn't get the release event
1837 // the next click on a control results in an assertion failure inside
1838 // gtk_text_view_start_selection_drag() which simply *kills* the program
1839 // without anything we can do about it, so always let GTK+ have this event
1840 return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
1841}
1842
1843// static
1844wxVisualAttributes
1845wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1846{
1847 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
1848}
1849
1850#endif // wxUSE_TEXTCTRL
wxWidgets (Impactor)