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Refactor wxTranslationsLoader API.
[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 "wx/gtk/private.h"
34
35// ----------------------------------------------------------------------------
36// helpers
37// ----------------------------------------------------------------------------
38
39extern "C" {
40static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
41 GtkTextTag *tag,
42 GtkTextIter * WXUNUSED(start),
43 GtkTextIter * WXUNUSED(end),
44 char *prefix)
45{
46 gchar *name;
47 g_object_get (tag, "name", &name, NULL);
48
49 if (!name || strncmp(name, prefix, strlen(prefix)))
50 // anonymous tag or not starting with prefix - don't remove
51 g_signal_stop_emission_by_name (buffer, "remove_tag");
52
53 g_free(name);
54}
55}
56
57// remove all tags starting with the given prefix from the start..end range
58static void
59wxGtkTextRemoveTagsWithPrefix(GtkTextBuffer *text_buffer,
60 const char *prefix,
61 GtkTextIter *start,
62 GtkTextIter *end)
63{
64 gulong remove_handler_id = g_signal_connect
65 (
66 text_buffer,
67 "remove_tag",
68 G_CALLBACK(wxGtkOnRemoveTag),
69 gpointer(prefix)
70 );
71 gtk_text_buffer_remove_all_tags(text_buffer, start, end);
72 g_signal_handler_disconnect(text_buffer, remove_handler_id);
73}
74
75static void wxGtkTextApplyTagsFromAttr(GtkWidget *text,
76 GtkTextBuffer *text_buffer,
77 const wxTextAttr& attr,
78 GtkTextIter *start,
79 GtkTextIter *end)
80{
81 static gchar buf[1024];
82 GtkTextTag *tag;
83
84 if (attr.HasFont())
85 {
86 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFONT", start, end);
87
88 wxFont font(attr.GetFont());
89
90 PangoFontDescription *font_description = font.GetNativeFontInfo()->description;
91 wxGtkString font_string(pango_font_description_to_string(font_description));
92 g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
93 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
94 buf );
95 if (!tag)
96 tag = gtk_text_buffer_create_tag( text_buffer, buf,
97 "font-desc", font_description,
98 NULL );
99 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
100
101 if (font.GetUnderlined())
102 {
103 g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
104 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
105 buf );
106 if (!tag)
107 tag = gtk_text_buffer_create_tag( text_buffer, buf,
108 "underline-set", TRUE,
109 "underline", PANGO_UNDERLINE_SINGLE,
110 NULL );
111 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
112 }
113 }
114
115 if (attr.HasTextColour())
116 {
117 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end);
118
119 const GdkColor *colFg = attr.GetTextColour().GetColor();
120 g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
121 colFg->red, colFg->green, colFg->blue);
122 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
123 buf );
124 if (!tag)
125 tag = gtk_text_buffer_create_tag( text_buffer, buf,
126 "foreground-gdk", colFg, NULL );
127 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
128 }
129
130 if (attr.HasBackgroundColour())
131 {
132 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end);
133
134 const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
135 g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
136 colBg->red, colBg->green, colBg->blue);
137 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
138 buf );
139 if (!tag)
140 tag = gtk_text_buffer_create_tag( text_buffer, buf,
141 "background-gdk", colBg, NULL );
142 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
143 }
144
145 if (attr.HasAlignment())
146 {
147 GtkTextIter para_start, para_end = *end;
148 gtk_text_buffer_get_iter_at_line( text_buffer,
149 &para_start,
150 gtk_text_iter_get_line(start) );
151 gtk_text_iter_forward_line(&para_end);
152
153 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", &para_start, &para_end);
154
155 GtkJustification align;
156 switch (attr.GetAlignment())
157 {
158 default:
159 align = GTK_JUSTIFY_LEFT;
160 break;
161 case wxTEXT_ALIGNMENT_RIGHT:
162 align = GTK_JUSTIFY_RIGHT;
163 break;
164 case wxTEXT_ALIGNMENT_CENTER:
165 align = GTK_JUSTIFY_CENTER;
166 break;
167// gtk+ doesn't support justify before gtk+-2.11.0 with pango-1.17 being available
168// (but if new enough pango isn't available it's a mere gtk warning)
169#if GTK_CHECK_VERSION(2,11,0)
170 case wxTEXT_ALIGNMENT_JUSTIFIED:
171 if (!gtk_check_version(2,11,0))
172 align = GTK_JUSTIFY_FILL;
173 else
174 align = GTK_JUSTIFY_LEFT;
175 break;
176#endif
177 }
178
179 g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
180 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
181 buf );
182 if (!tag)
183 tag = gtk_text_buffer_create_tag( text_buffer, buf,
184 "justification", align, NULL );
185 gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
186 }
187
188 if (attr.HasLeftIndent())
189 {
190 // Indentation attribute
191
192 // Clear old indentation tags
193 GtkTextIter para_start, para_end = *end;
194 gtk_text_buffer_get_iter_at_line( text_buffer,
195 &para_start,
196 gtk_text_iter_get_line(start) );
197 gtk_text_iter_forward_line(&para_end);
198
199 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", &para_start, &para_end);
200
201 // Convert indent from 1/10th of a mm into pixels
202 float factor =
203 (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
204 gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
205
206 const int indent = (int)(factor * attr.GetLeftIndent());
207 const int subIndent = (int)(factor * attr.GetLeftSubIndent());
208
209 gint gindent;
210 gint gsubindent;
211
212 if (subIndent >= 0)
213 {
214 gindent = indent;
215 gsubindent = -subIndent;
216 }
217 else
218 {
219 gindent = -subIndent;
220 gsubindent = indent;
221 }
222
223 g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
224 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
225 buf );
226 if (!tag)
227 tag = gtk_text_buffer_create_tag( text_buffer, buf,
228 "left-margin", gindent, "indent", gsubindent, NULL );
229 gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
230 }
231
232 if (attr.HasTabs())
233 {
234 // Set tab stops
235
236 // Clear old tabs
237 GtkTextIter para_start, para_end = *end;
238 gtk_text_buffer_get_iter_at_line( text_buffer,
239 &para_start,
240 gtk_text_iter_get_line(start) );
241 gtk_text_iter_forward_line(&para_end);
242
243 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", &para_start, &para_end);
244
245 const wxArrayInt& tabs = attr.GetTabs();
246
247 wxString tagname = wxT("WXTABS");
248 g_snprintf(buf, sizeof(buf), "WXTABS");
249 for (size_t i = 0; i < tabs.GetCount(); i++)
250 tagname += wxString::Format(wxT(" %d"), tabs[i]);
251
252 const wxWX2MBbuf buftag = tagname.utf8_str();
253
254 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
255 buftag );
256 if (!tag)
257 {
258 // Factor to convert from 1/10th of a mm into pixels
259 float factor =
260 (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
261 gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
262
263 PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
264 for (size_t i = 0; i < tabs.GetCount(); i++)
265 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
266 tag = gtk_text_buffer_create_tag( text_buffer, buftag,
267 "tabs", tabArray, NULL );
268 pango_tab_array_free(tabArray);
269 }
270 gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
271 }
272}
273
274static void wxGtkTextInsert(GtkWidget *text,
275 GtkTextBuffer *text_buffer,
276 const wxTextAttr& attr,
277 const wxCharBuffer& buffer)
278
279{
280 gint start_offset;
281 GtkTextIter iter, start;
282
283 gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
284 gtk_text_buffer_get_insert (text_buffer) );
285 start_offset = gtk_text_iter_get_offset (&iter);
286 gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
287
288 gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
289
290 wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
291}
292
293// Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
294
295extern "C" {
296static void
297au_apply_tag_callback(GtkTextBuffer *buffer,
298 GtkTextTag *tag,
299 GtkTextIter * WXUNUSED(start),
300 GtkTextIter * WXUNUSED(end),
301 gpointer WXUNUSED(textctrl))
302{
303 if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
304 g_signal_stop_emission_by_name (buffer, "apply_tag");
305}
306}
307
308//-----------------------------------------------------------------------------
309// GtkTextCharPredicates for gtk_text_iter_*_find_char
310//-----------------------------------------------------------------------------
311
312extern "C" {
313static gboolean
314pred_whitespace(gunichar ch, gpointer WXUNUSED(user_data))
315{
316 return g_unichar_isspace(ch);
317}
318}
319
320extern "C" {
321static gboolean
322pred_non_whitespace (gunichar ch, gpointer WXUNUSED(user_data))
323{
324 return !g_unichar_isspace(ch);
325}
326}
327
328extern "C" {
329static gboolean
330pred_nonpunct (gunichar ch, gpointer WXUNUSED(user_data))
331{
332 return !g_unichar_ispunct(ch);
333}
334}
335
336extern "C" {
337static gboolean
338pred_nonpunct_or_slash (gunichar ch, gpointer WXUNUSED(user_data))
339{
340 return !g_unichar_ispunct(ch) || ch == '/';
341}
342}
343
344//-----------------------------------------------------------------------------
345// Check for links between s and e and correct tags as necessary
346//-----------------------------------------------------------------------------
347
348// This function should be made match better while being efficient at one point.
349// Most probably with a row of regular expressions.
350extern "C" {
351static void
352au_check_word( GtkTextIter *s, GtkTextIter *e )
353{
354 static const char *const URIPrefixes[] =
355 {
356 "http://",
357 "ftp://",
358 "www.",
359 "ftp.",
360 "mailto://",
361 "https://",
362 "file://",
363 "nntp://",
364 "news://",
365 "telnet://",
366 "mms://",
367 "gopher://",
368 "prospero://",
369 "wais://",
370 };
371
372 GtkTextIter start = *s, end = *e;
373 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
374
375 // Get our special link tag
376 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
377
378 // Get rid of punctuation from beginning and end.
379 // Might want to move this to au_check_range if an improved link checking doesn't
380 // use some intelligent punctuation checking itself (beware of undesired iter modifications).
381 if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
382 gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
383
384 gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
385 gtk_text_iter_forward_char(&end);
386
387 wxGtkString text(gtk_text_iter_get_text( &start, &end ));
388 size_t len = strlen(text), prefix_len;
389 size_t n;
390
391 for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
392 {
393 prefix_len = strlen(URIPrefixes[n]);
394 if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
395 break;
396 }
397
398 if(n < WXSIZEOF(URIPrefixes))
399 {
400 gulong signal_id = g_signal_handler_find (buffer,
401 (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
402 0, 0, NULL,
403 (gpointer)au_apply_tag_callback, NULL);
404
405 g_signal_handler_block (buffer, signal_id);
406 gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
407 g_signal_handler_unblock (buffer, signal_id);
408 }
409}
410}
411
412extern "C" {
413static void
414au_check_range(GtkTextIter *s,
415 GtkTextIter *range_end)
416{
417 GtkTextIter range_start = *s;
418 GtkTextIter word_end;
419 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
420 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
421
422 gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
423
424 if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
425 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
426
427 while(!gtk_text_iter_equal(&range_start, range_end))
428 {
429 word_end = range_start;
430 gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
431
432 // Now we should have a word delimited by range_start and word_end, correct link tags
433 au_check_word(&range_start, &word_end);
434
435 range_start = word_end;
436 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
437 }
438}
439}
440
441//-----------------------------------------------------------------------------
442// "insert-text" for GtkTextBuffer
443//-----------------------------------------------------------------------------
444
445extern "C" {
446static void
447au_insert_text_callback(GtkTextBuffer * WXUNUSED(buffer),
448 GtkTextIter *end,
449 gchar *text,
450 gint len,
451 wxTextCtrl *win)
452{
453 if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
454 return;
455
456 GtkTextIter start = *end;
457 gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
458
459 GtkTextIter line_start = start;
460 GtkTextIter line_end = *end;
461 GtkTextIter words_start = start;
462 GtkTextIter words_end = *end;
463
464 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
465 gtk_text_iter_forward_to_line_end(&line_end);
466 gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
467 gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
468
469 au_check_range(&words_start, &words_end);
470}
471}
472
473//-----------------------------------------------------------------------------
474// "delete-range" for GtkTextBuffer
475//-----------------------------------------------------------------------------
476
477extern "C" {
478static void
479au_delete_range_callback(GtkTextBuffer * WXUNUSED(buffer),
480 GtkTextIter *start,
481 GtkTextIter *end,
482 wxTextCtrl *win)
483{
484 if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
485 return;
486
487 GtkTextIter line_start = *start, line_end = *end;
488
489 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
490 gtk_text_iter_forward_to_line_end(&line_end);
491 gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
492 gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
493
494 au_check_range(start, end);
495}
496}
497
498//-----------------------------------------------------------------------------
499// "populate_popup" from text control and "unmap" from its poup menu
500//-----------------------------------------------------------------------------
501
502extern "C" {
503static void
504gtk_textctrl_popup_unmap( GtkMenu *WXUNUSED(menu), wxTextCtrl* win )
505{
506 win->GTKEnableFocusOutEvent();
507}
508}
509
510extern "C" {
511static void
512gtk_textctrl_populate_popup( GtkEntry *WXUNUSED(entry), GtkMenu *menu, wxTextCtrl *win )
513{
514 win->GTKDisableFocusOutEvent();
515
516 g_signal_connect (menu, "unmap", G_CALLBACK (gtk_textctrl_popup_unmap), win );
517}
518}
519
520//-----------------------------------------------------------------------------
521// "changed"
522//-----------------------------------------------------------------------------
523
524extern "C" {
525static void
526gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
527{
528 if ( win->IgnoreTextUpdate() )
529 return;
530
531 if (!win->m_hasVMT) return;
532
533 if ( win->MarkDirtyOnChange() )
534 win->MarkDirty();
535
536 win->SendTextUpdatedEvent();
537}
538}
539
540//-----------------------------------------------------------------------------
541// clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
542//-----------------------------------------------------------------------------
543
544// common part of the event handlers below
545static void
546handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
547 wxEventType eventType, const gchar * signal_name)
548{
549 wxClipboardTextEvent event( eventType, win->GetId() );
550 event.SetEventObject( win );
551 if ( win->HandleWindowEvent( event ) )
552 {
553 // don't let the default processing to take place if we did something
554 // ourselves in the event handler
555 g_signal_stop_emission_by_name (widget, signal_name);
556 }
557}
558
559extern "C" {
560static void
561gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
562{
563 handle_text_clipboard_callback(
564 widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
565}
566
567static void
568gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
569{
570 handle_text_clipboard_callback(
571 widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
572}
573
574static void
575gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
576{
577 handle_text_clipboard_callback(
578 widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
579}
580}
581
582//-----------------------------------------------------------------------------
583// wxTextCtrl
584//-----------------------------------------------------------------------------
585
586IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
587
588BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
589 EVT_CHAR(wxTextCtrl::OnChar)
590
591 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
592 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
593 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
594 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
595 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
596
597 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
598 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
599 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
600 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
601 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
602
603 // wxTE_AUTO_URL wxTextUrl support. Currently only creates
604 // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
605 EVT_MOTION (wxTextCtrl::OnUrlMouseEvent)
606 EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent)
607 EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent)
608 EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
609 EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent)
610 EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent)
611 EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
612END_EVENT_TABLE()
613
614void wxTextCtrl::Init()
615{
616 m_dontMarkDirty =
617 m_modified = false;
618
619 m_countUpdatesToIgnore = 0;
620
621 SetUpdateFont(false);
622
623 m_text = NULL;
624 m_showPositionOnThaw = NULL;
625 m_gdkHandCursor = NULL;
626 m_gdkXTermCursor = NULL;
627}
628
629wxTextCtrl::~wxTextCtrl()
630{
631 if(m_gdkHandCursor)
632 gdk_cursor_unref(m_gdkHandCursor);
633 if(m_gdkXTermCursor)
634 gdk_cursor_unref(m_gdkXTermCursor);
635}
636
637wxTextCtrl::wxTextCtrl( wxWindow *parent,
638 wxWindowID id,
639 const wxString &value,
640 const wxPoint &pos,
641 const wxSize &size,
642 long style,
643 const wxValidator& validator,
644 const wxString &name )
645{
646 Init();
647
648 Create( parent, id, value, pos, size, style, validator, name );
649}
650
651bool wxTextCtrl::Create( wxWindow *parent,
652 wxWindowID id,
653 const wxString &value,
654 const wxPoint &pos,
655 const wxSize &size,
656 long style,
657 const wxValidator& validator,
658 const wxString &name )
659{
660 if (!PreCreation( parent, pos, size ) ||
661 !CreateBase( parent, id, pos, size, style, validator, name ))
662 {
663 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
664 return false;
665 }
666
667 bool multi_line = (style & wxTE_MULTILINE) != 0;
668
669 if (multi_line)
670 {
671 // Create view
672 m_text = gtk_text_view_new();
673
674 m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
675
676 // create "ShowPosition" marker
677 GtkTextIter iter;
678 gtk_text_buffer_get_start_iter(m_buffer, &iter);
679 gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
680
681 // create scrolled window
682 m_widget = gtk_scrolled_window_new( NULL, NULL );
683 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
684 GTK_POLICY_AUTOMATIC,
685 style & wxTE_NO_VSCROLL
686 ? GTK_POLICY_NEVER
687 : GTK_POLICY_AUTOMATIC );
688 // for ScrollLines/Pages
689 m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
690
691 // Insert view into scrolled window
692 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
693
694 GTKSetWrapMode();
695
696 GTKScrolledWindowSetBorder(m_widget, style);
697
698 gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
699
700 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
701 }
702 else
703 {
704 // a single-line text control: no need for scrollbars
705 m_widget =
706 m_text = gtk_entry_new();
707 // work around probable bug in GTK+ 2.18 when calling WriteText on a
708 // new, empty control, see http://trac.wxwidgets.org/ticket/11409
709 gtk_entry_get_text((GtkEntry*)m_text);
710
711 if (style & wxNO_BORDER)
712 g_object_set (m_text, "has-frame", FALSE, NULL);
713
714 }
715 g_object_ref(m_widget);
716
717 m_parent->DoAddChild( this );
718
719 m_focusWidget = m_text;
720
721 PostCreation(size);
722
723 if (multi_line)
724 {
725 gtk_widget_show(m_text);
726 }
727
728 // We want to be notified about text changes.
729 if (multi_line)
730 {
731 g_signal_connect (m_buffer, "changed",
732 G_CALLBACK (gtk_text_changed_callback), this);
733 }
734 else
735 {
736 g_signal_connect (m_text, "changed",
737 G_CALLBACK (gtk_text_changed_callback), this);
738 }
739
740 // Catch to disable focus out handling
741 g_signal_connect (m_text, "populate_popup",
742 G_CALLBACK (gtk_textctrl_populate_popup),
743 this);
744
745 if (!value.empty())
746 {
747 SetValue( value );
748 }
749
750 if (style & wxTE_PASSWORD)
751 GTKSetVisibility();
752
753 if (style & wxTE_READONLY)
754 GTKSetEditable();
755
756 // left justification (alignment) is the default anyhow
757 if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
758 GTKSetJustification();
759
760 if (multi_line)
761 {
762 // Handle URLs on multi-line controls with wxTE_AUTO_URL style
763 if (style & wxTE_AUTO_URL)
764 {
765 GtkTextIter start, end;
766 m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
767 m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
768
769 // We create our wxUrl tag here for slight efficiency gain - we
770 // don't have to check for the tag existance in callbacks,
771 // hereby it's guaranteed to exist.
772 gtk_text_buffer_create_tag(m_buffer, "wxUrl",
773 "foreground", "blue",
774 "underline", PANGO_UNDERLINE_SINGLE,
775 NULL);
776
777 // Check for URLs after each text change
778 g_signal_connect_after (m_buffer, "insert_text",
779 G_CALLBACK (au_insert_text_callback), this);
780 g_signal_connect_after (m_buffer, "delete_range",
781 G_CALLBACK (au_delete_range_callback), this);
782
783 // Block all wxUrl tag applying unless we do it ourselves, in which case we
784 // block this callback temporarily. This takes care of gtk+ internal
785 // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
786 // which is undesired because only a part of the URL might be copied.
787 // The insert-text signal emitted inside it will take care of newly formed
788 // or wholly copied URLs.
789 g_signal_connect (m_buffer, "apply_tag",
790 G_CALLBACK (au_apply_tag_callback), NULL);
791
792 // Check for URLs in the initial string passed to Create
793 gtk_text_buffer_get_start_iter(m_buffer, &start);
794 gtk_text_buffer_get_end_iter(m_buffer, &end);
795 au_check_range(&start, &end);
796 }
797 }
798 else // single line
799 {
800 // do the right thing with Enter presses depending on whether we have
801 // wxTE_PROCESS_ENTER or not
802 GTKSetActivatesDefault();
803 }
804
805
806 g_signal_connect (m_text, "copy-clipboard",
807 G_CALLBACK (gtk_copy_clipboard_callback), this);
808 g_signal_connect (m_text, "cut-clipboard",
809 G_CALLBACK (gtk_cut_clipboard_callback), this);
810 g_signal_connect (m_text, "paste-clipboard",
811 G_CALLBACK (gtk_paste_clipboard_callback), this);
812
813 m_cursor = wxCursor( wxCURSOR_IBEAM );
814
815 return true;
816}
817
818GtkEditable *wxTextCtrl::GetEditable() const
819{
820 wxCHECK_MSG( IsSingleLine(), NULL, "shouldn't be called for multiline" );
821
822 return GTK_EDITABLE(m_text);
823}
824
825GtkEntry *wxTextCtrl::GetEntry() const
826{
827 return GTK_ENTRY(m_text);
828}
829
830// ----------------------------------------------------------------------------
831// flags handling
832// ----------------------------------------------------------------------------
833
834void wxTextCtrl::GTKSetEditable()
835{
836 gboolean editable = !HasFlag(wxTE_READONLY);
837 if ( IsSingleLine() )
838 gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
839 else
840 gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
841}
842
843void wxTextCtrl::GTKSetVisibility()
844{
845 wxCHECK_RET( IsSingleLine(),
846 "wxTE_PASSWORD is for single line text controls only" );
847
848 gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
849}
850
851void wxTextCtrl::GTKSetActivatesDefault()
852{
853 wxCHECK_RET( IsSingleLine(),
854 "wxTE_PROCESS_ENTER is for single line text controls only" );
855
856 gtk_entry_set_activates_default(GTK_ENTRY(m_text),
857 !HasFlag(wxTE_PROCESS_ENTER));
858}
859
860void wxTextCtrl::GTKSetWrapMode()
861{
862 // no wrapping in single line controls
863 if ( !IsMultiLine() )
864 return;
865
866 // translate wx wrapping style to GTK+
867 GtkWrapMode wrap;
868 if ( HasFlag( wxTE_DONTWRAP ) )
869 wrap = GTK_WRAP_NONE;
870 else if ( HasFlag( wxTE_CHARWRAP ) )
871 wrap = GTK_WRAP_CHAR;
872 else if ( HasFlag( wxTE_WORDWRAP ) )
873 wrap = GTK_WRAP_WORD;
874 else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
875 wrap = GTK_WRAP_WORD_CHAR;
876
877 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
878}
879
880void wxTextCtrl::GTKSetJustification()
881{
882 if ( IsMultiLine() )
883 {
884 GtkJustification just;
885 if ( HasFlag(wxTE_RIGHT) )
886 just = GTK_JUSTIFY_RIGHT;
887 else if ( HasFlag(wxTE_CENTRE) )
888 just = GTK_JUSTIFY_CENTER;
889 else // wxTE_LEFT == 0
890 just = GTK_JUSTIFY_LEFT;
891
892 gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
893 }
894 else // single line
895 {
896 gfloat align;
897 if ( HasFlag(wxTE_RIGHT) )
898 align = 1.0;
899 else if ( HasFlag(wxTE_CENTRE) )
900 align = 0.5;
901 else // single line
902 align = 0.0;
903
904 gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
905 }
906}
907
908void wxTextCtrl::SetWindowStyleFlag(long style)
909{
910 long styleOld = GetWindowStyleFlag();
911
912 wxTextCtrlBase::SetWindowStyleFlag(style);
913
914 if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
915 GTKSetEditable();
916
917 if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
918 GTKSetVisibility();
919
920 if ( (style & wxTE_PROCESS_ENTER) != (styleOld & wxTE_PROCESS_ENTER) )
921 GTKSetActivatesDefault();
922
923 static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
924 if ( (style & flagsWrap) != (styleOld & flagsWrap) )
925 GTKSetWrapMode();
926
927 static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
928 if ( (style & flagsAlign) != (styleOld & flagsAlign) )
929 GTKSetJustification();
930}
931
932// ----------------------------------------------------------------------------
933// control value
934// ----------------------------------------------------------------------------
935
936wxString wxTextCtrl::GetValue() const
937{
938 wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
939
940 if ( IsMultiLine() )
941 {
942 GtkTextIter start;
943 gtk_text_buffer_get_start_iter( m_buffer, &start );
944 GtkTextIter end;
945 gtk_text_buffer_get_end_iter( m_buffer, &end );
946 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
947
948 return wxGTK_CONV_BACK(text);
949 }
950 else // single line
951 {
952 return wxTextEntry::GetValue();
953 }
954}
955
956wxFontEncoding wxTextCtrl::GetTextEncoding() const
957{
958 // GTK+ uses UTF-8 internally, we need to convert to it but from which
959 // encoding?
960
961 // first check the default text style (we intentionally don't check the
962 // style for the current position as it doesn't make sense for SetValue())
963 const wxTextAttr& style = GetDefaultStyle();
964 wxFontEncoding enc = style.HasFontEncoding() ? style.GetFontEncoding()
965 : wxFONTENCODING_SYSTEM;
966
967 // fall back to the controls font if no style
968 if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
969 enc = GetFont().GetEncoding();
970
971 return enc;
972}
973
974bool wxTextCtrl::IsEmpty() const
975{
976 if ( IsMultiLine() )
977 return gtk_text_buffer_get_char_count(m_buffer) == 0;
978
979 return wxTextEntry::IsEmpty();
980}
981
982void wxTextCtrl::DoSetValue( const wxString &value, int flags )
983{
984 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
985
986 m_modified = false;
987
988 if ( !IsMultiLine() )
989 {
990 wxTextEntry::DoSetValue(value, flags);
991 return;
992 }
993
994 if (value.IsEmpty())
995 {
996 if ( !(flags & SetValue_SendEvent) )
997 EnableTextChangedEvents(false);
998
999 gtk_text_buffer_set_text( m_buffer, "", 0 );
1000
1001 if ( !(flags & SetValue_SendEvent) )
1002 EnableTextChangedEvents(true);
1003
1004 return;
1005 }
1006
1007#if wxUSE_UNICODE
1008 const wxCharBuffer buffer(value.utf8_str());
1009#else
1010 wxFontEncoding enc = m_defaultStyle.HasFont()
1011 ? m_defaultStyle.GetFont().GetEncoding()
1012 : wxFONTENCODING_SYSTEM;
1013 if ( enc == wxFONTENCODING_SYSTEM )
1014 enc = GetTextEncoding();
1015
1016 const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
1017 if ( !buffer )
1018 {
1019 // see comment in WriteText() as to why we must warn the user about
1020 // this
1021 wxLogWarning(_("Failed to set text in the text control."));
1022 return;
1023 }
1024#endif
1025
1026 if ( !(flags & SetValue_SendEvent) )
1027 {
1028 EnableTextChangedEvents(false);
1029 }
1030
1031 gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1032
1033 if ( !m_defaultStyle.IsDefault() )
1034 {
1035 GtkTextIter start, end;
1036 gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1037 wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1038 &start, &end);
1039 }
1040
1041 if ( !(flags & SetValue_SendEvent) )
1042 {
1043 EnableTextChangedEvents(true);
1044 }
1045}
1046
1047void wxTextCtrl::WriteText( const wxString &text )
1048{
1049 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1050
1051 // we're changing the text programmatically
1052 DontMarkDirtyOnNextChange();
1053
1054 if ( !IsMultiLine() )
1055 {
1056 wxTextEntry::WriteText(text);
1057 return;
1058 }
1059
1060#if wxUSE_UNICODE
1061 const wxCharBuffer buffer(text.utf8_str());
1062#else
1063 // check if we have a specific style for the current position
1064 wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1065 wxTextAttr style;
1066 if ( GetStyle(GetInsertionPoint(), style) && style.HasFontEncoding() )
1067 {
1068 enc = style.GetFontEncoding();
1069 }
1070
1071 if ( enc == wxFONTENCODING_SYSTEM )
1072 enc = GetTextEncoding();
1073
1074 const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1075 if ( !buffer )
1076 {
1077 // we must log an error here as losing the text like this can be a
1078 // serious problem (e.g. imagine the document edited by user being
1079 // empty instead of containing the correct text)
1080 wxLogWarning(_("Failed to insert text in the control."));
1081 return;
1082 }
1083#endif
1084
1085 // First remove the selection if there is one
1086 // TODO: Is there an easier GTK specific way to do this?
1087 long from, to;
1088 GetSelection(&from, &to);
1089 if (from != to)
1090 Remove(from, to);
1091
1092 // Insert the text
1093 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1094
1095 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1096 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1097 // won't work when frozen, text view is not using m_buffer then
1098 if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1099 {
1100 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1101 gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1102 }
1103}
1104
1105wxString wxTextCtrl::GetLineText( long lineNo ) const
1106{
1107 wxString result;
1108 if ( IsMultiLine() )
1109 {
1110 GtkTextIter line;
1111 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1112
1113 GtkTextIter end = line;
1114 // avoid skipping to the next line end if this one is empty
1115 if ( !gtk_text_iter_ends_line(&line) )
1116 gtk_text_iter_forward_to_line_end(&end);
1117
1118 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1119 result = wxGTK_CONV_BACK(text);
1120 }
1121 else
1122 {
1123 if (lineNo == 0)
1124 result = GetValue();
1125 }
1126 return result;
1127}
1128
1129void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1130{
1131 /* If you implement this, don't forget to update the documentation!
1132 * (file docs/latex/wx/text.tex) */
1133 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1134}
1135
1136bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1137{
1138 if ( IsMultiLine() )
1139 {
1140 GtkTextIter iter;
1141
1142 if (pos > GetLastPosition())
1143 return false;
1144
1145 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1146
1147 if ( y )
1148 *y = gtk_text_iter_get_line(&iter);
1149 if ( x )
1150 *x = gtk_text_iter_get_line_offset(&iter);
1151 }
1152 else // single line control
1153 {
1154 if ( pos <= GTK_ENTRY(m_text)->text_length )
1155 {
1156 if ( y )
1157 *y = 0;
1158 if ( x )
1159 *x = pos;
1160 }
1161 else
1162 {
1163 // index out of bounds
1164 return false;
1165 }
1166 }
1167
1168 return true;
1169}
1170
1171long wxTextCtrl::XYToPosition(long x, long y ) const
1172{
1173 if ( IsSingleLine() )
1174 return 0;
1175
1176 GtkTextIter iter;
1177 if (y >= gtk_text_buffer_get_line_count (m_buffer))
1178 return -1;
1179
1180 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1181 if (x >= gtk_text_iter_get_chars_in_line (&iter))
1182 return -1;
1183
1184 return gtk_text_iter_get_offset(&iter) + x;
1185}
1186
1187int wxTextCtrl::GetLineLength(long lineNo) const
1188{
1189 if ( IsMultiLine() )
1190 {
1191 int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1192 if (lineNo > last_line)
1193 return -1;
1194
1195 GtkTextIter iter;
1196 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1197 // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1198 return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1199 }
1200 else
1201 {
1202 wxString str = GetLineText (lineNo);
1203 return (int) str.length();
1204 }
1205}
1206
1207int wxTextCtrl::GetNumberOfLines() const
1208{
1209 if ( IsMultiLine() )
1210 {
1211 return gtk_text_buffer_get_line_count( m_buffer );
1212 }
1213 else // single line
1214 {
1215 return 1;
1216 }
1217}
1218
1219void wxTextCtrl::SetInsertionPoint( long pos )
1220{
1221 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1222
1223 if ( IsMultiLine() )
1224 {
1225 GtkTextIter iter;
1226 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1227 gtk_text_buffer_place_cursor( m_buffer, &iter );
1228 GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1229 if (IsFrozen())
1230 // defer until Thaw, text view is not using m_buffer now
1231 m_showPositionOnThaw = mark;
1232 else
1233 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1234 }
1235 else // single line
1236 {
1237 wxTextEntry::SetInsertionPoint(pos);
1238 }
1239}
1240
1241void wxTextCtrl::SetEditable( bool editable )
1242{
1243 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1244
1245 if ( IsMultiLine() )
1246 {
1247 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1248 }
1249 else // single line
1250 {
1251 wxTextEntry::SetEditable(editable);
1252 }
1253}
1254
1255bool wxTextCtrl::Enable( bool enable )
1256{
1257 if (!wxWindowBase::Enable(enable))
1258 {
1259 // nothing to do
1260 return false;
1261 }
1262
1263 gtk_widget_set_sensitive( m_text, enable );
1264 SetCursor(enable ? wxCursor(wxCURSOR_IBEAM) : wxCursor());
1265
1266 return true;
1267}
1268
1269// wxGTK-specific: called recursively by Enable,
1270// to give widgets an opportunity to correct their colours after they
1271// have been changed by Enable
1272void wxTextCtrl::OnEnabled(bool WXUNUSED(enable))
1273{
1274 // If we have a custom background colour, we use this colour in both
1275 // disabled and enabled mode, or we end up with a different colour under the
1276 // text.
1277 wxColour oldColour = GetBackgroundColour();
1278 if (oldColour.Ok())
1279 {
1280 // Need to set twice or it'll optimize the useful stuff out
1281 if (oldColour == * wxWHITE)
1282 SetBackgroundColour(*wxBLACK);
1283 else
1284 SetBackgroundColour(*wxWHITE);
1285 SetBackgroundColour(oldColour);
1286 }
1287}
1288
1289void wxTextCtrl::MarkDirty()
1290{
1291 m_modified = true;
1292}
1293
1294void wxTextCtrl::DiscardEdits()
1295{
1296 m_modified = false;
1297}
1298
1299// ----------------------------------------------------------------------------
1300// event handling
1301// ----------------------------------------------------------------------------
1302
1303void wxTextCtrl::EnableTextChangedEvents(bool enable)
1304{
1305 if ( enable )
1306 {
1307 g_signal_handlers_unblock_by_func(GetTextObject(),
1308 (gpointer)gtk_text_changed_callback, this);
1309 }
1310 else // disable events
1311 {
1312 g_signal_handlers_block_by_func(GetTextObject(),
1313 (gpointer)gtk_text_changed_callback, this);
1314 }
1315}
1316
1317bool wxTextCtrl::IgnoreTextUpdate()
1318{
1319 if ( m_countUpdatesToIgnore > 0 )
1320 {
1321 m_countUpdatesToIgnore--;
1322
1323 return true;
1324 }
1325
1326 return false;
1327}
1328
1329bool wxTextCtrl::MarkDirtyOnChange()
1330{
1331 if ( m_dontMarkDirty )
1332 {
1333 m_dontMarkDirty = false;
1334
1335 return false;
1336 }
1337
1338 return true;
1339}
1340
1341void wxTextCtrl::SetSelection( long from, long to )
1342{
1343 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1344
1345 if (from == -1 && to == -1)
1346 {
1347 from = 0;
1348 to = GetValue().length();
1349 }
1350
1351 if ( IsMultiLine() )
1352 {
1353 GtkTextIter fromi, toi;
1354 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1355 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1356
1357 gtk_text_buffer_select_range( m_buffer, &fromi, &toi );
1358 }
1359 else // single line
1360 {
1361 wxTextEntry::SetSelection(from, to);
1362 }
1363}
1364
1365void wxTextCtrl::ShowPosition( long pos )
1366{
1367 if (IsMultiLine())
1368 {
1369 GtkTextIter iter;
1370 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1371 GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1372 gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1373 if (IsFrozen())
1374 // defer until Thaw, text view is not using m_buffer now
1375 m_showPositionOnThaw = mark;
1376 else
1377 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1378 }
1379}
1380
1381wxTextCtrlHitTestResult
1382wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1383{
1384 if ( !IsMultiLine() )
1385 {
1386 // not supported
1387 return wxTE_HT_UNKNOWN;
1388 }
1389
1390 int x, y;
1391 gtk_text_view_window_to_buffer_coords
1392 (
1393 GTK_TEXT_VIEW(m_text),
1394 GTK_TEXT_WINDOW_TEXT,
1395 pt.x, pt.y,
1396 &x, &y
1397 );
1398
1399 GtkTextIter iter;
1400 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1401 if ( pos )
1402 *pos = gtk_text_iter_get_offset(&iter);
1403
1404 return wxTE_HT_ON_TEXT;
1405}
1406
1407long wxTextCtrl::GetInsertionPoint() const
1408{
1409 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1410
1411 if ( IsMultiLine() )
1412 {
1413 // There is no direct accessor for the cursor, but
1414 // internally, the cursor is the "mark" called
1415 // "insert" in the text view's btree structure.
1416
1417 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1418 GtkTextIter cursor;
1419 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1420
1421 return gtk_text_iter_get_offset( &cursor );
1422 }
1423 else
1424 {
1425 return wxTextEntry::GetInsertionPoint();
1426 }
1427}
1428
1429wxTextPos wxTextCtrl::GetLastPosition() const
1430{
1431 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1432
1433 int pos = 0;
1434
1435 if ( IsMultiLine() )
1436 {
1437 GtkTextIter end;
1438 gtk_text_buffer_get_end_iter( m_buffer, &end );
1439
1440 pos = gtk_text_iter_get_offset( &end );
1441 }
1442 else // single line
1443 {
1444 pos = wxTextEntry::GetLastPosition();
1445 }
1446
1447 return (long)pos;
1448}
1449
1450void wxTextCtrl::Remove( long from, long to )
1451{
1452 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1453
1454 if ( IsMultiLine() )
1455 {
1456 GtkTextIter fromi, toi;
1457 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1458 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1459
1460 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1461 }
1462 else // single line
1463 {
1464 wxTextEntry::Remove(from, to);
1465 }
1466}
1467
1468void wxTextCtrl::Cut()
1469{
1470 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1471
1472 if ( IsMultiLine() )
1473 g_signal_emit_by_name (m_text, "cut-clipboard");
1474 else
1475 wxTextEntry::Cut();
1476}
1477
1478void wxTextCtrl::Copy()
1479{
1480 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1481
1482 if ( IsMultiLine() )
1483 g_signal_emit_by_name (m_text, "copy-clipboard");
1484 else
1485 wxTextEntry::Copy();
1486}
1487
1488void wxTextCtrl::Paste()
1489{
1490 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1491
1492 if ( IsMultiLine() )
1493 g_signal_emit_by_name (m_text, "paste-clipboard");
1494 else
1495 wxTextEntry::Paste();
1496}
1497
1498// If the return values from and to are the same, there is no
1499// selection.
1500void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1501{
1502 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1503
1504 if ( !IsMultiLine() )
1505 {
1506 wxTextEntry::GetSelection(fromOut, toOut);
1507 return;
1508 }
1509
1510 gint from, to;
1511
1512 GtkTextIter ifrom, ito;
1513 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1514 {
1515 from = gtk_text_iter_get_offset(&ifrom);
1516 to = gtk_text_iter_get_offset(&ito);
1517
1518 if ( from > to )
1519 {
1520 // exchange them to be compatible with wxMSW
1521 gint tmp = from;
1522 from = to;
1523 to = tmp;
1524 }
1525 }
1526 else // no selection
1527 {
1528 from =
1529 to = GetInsertionPoint();
1530 }
1531
1532 if ( fromOut )
1533 *fromOut = from;
1534 if ( toOut )
1535 *toOut = to;
1536}
1537
1538
1539bool wxTextCtrl::IsEditable() const
1540{
1541 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1542
1543 if ( IsMultiLine() )
1544 {
1545 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1546 }
1547 else
1548 {
1549 return wxTextEntry::IsEditable();
1550 }
1551}
1552
1553bool wxTextCtrl::IsModified() const
1554{
1555 return m_modified;
1556}
1557
1558void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1559{
1560 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1561
1562 if ( key_event.GetKeyCode() == WXK_RETURN )
1563 {
1564 if ( HasFlag(wxTE_PROCESS_ENTER) )
1565 {
1566 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1567 event.SetEventObject(this);
1568 event.SetString(GetValue());
1569 if ( HandleWindowEvent(event) )
1570 return;
1571 }
1572 }
1573
1574 key_event.Skip();
1575}
1576
1577GtkWidget* wxTextCtrl::GetConnectWidget()
1578{
1579 return GTK_WIDGET(m_text);
1580}
1581
1582GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1583{
1584 if ( IsMultiLine() )
1585 {
1586 return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1587 GTK_TEXT_WINDOW_TEXT );
1588 }
1589 else
1590 {
1591 return GTK_ENTRY(m_text)->text_area;
1592 }
1593}
1594
1595// the font will change for subsequent text insertiongs
1596bool wxTextCtrl::SetFont( const wxFont &font )
1597{
1598 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1599
1600 if ( !wxTextCtrlBase::SetFont(font) )
1601 {
1602 // font didn't change, nothing to do
1603 return false;
1604 }
1605
1606 if ( IsMultiLine() )
1607 {
1608 SetUpdateFont(true);
1609
1610 m_defaultStyle.SetFont(font);
1611
1612 ChangeFontGlobally();
1613 }
1614
1615 return true;
1616}
1617
1618void wxTextCtrl::ChangeFontGlobally()
1619{
1620 // this method is very inefficient and hence should be called as rarely as
1621 // possible!
1622 //
1623 // TODO: it can be implemented much more efficiently for GTK2
1624 wxASSERT_MSG( IsMultiLine(),
1625 wxT("shouldn't be called for single line controls") );
1626
1627 wxString value = GetValue();
1628 if ( !value.empty() )
1629 {
1630 SetUpdateFont(false);
1631
1632 Clear();
1633 AppendText(value);
1634 }
1635}
1636
1637bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1638{
1639 if ( !wxControl::SetForegroundColour(colour) )
1640 return false;
1641
1642 // update default fg colour too
1643 m_defaultStyle.SetTextColour(colour);
1644
1645 return true;
1646}
1647
1648bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1649{
1650 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1651
1652 if ( !wxControl::SetBackgroundColour( colour ) )
1653 return false;
1654
1655 if (!m_backgroundColour.Ok())
1656 return false;
1657
1658 // change active background color too
1659 m_defaultStyle.SetBackgroundColour( colour );
1660
1661 return true;
1662}
1663
1664bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1665{
1666 if ( IsMultiLine() )
1667 {
1668 if ( style.IsDefault() )
1669 {
1670 // nothing to do
1671 return true;
1672 }
1673
1674 gint l = gtk_text_buffer_get_char_count( m_buffer );
1675
1676 wxCHECK_MSG( start >= 0 && end <= l, false,
1677 wxT("invalid range in wxTextCtrl::SetStyle") );
1678
1679 GtkTextIter starti, endi;
1680 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1681 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1682
1683 wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1684
1685 return true;
1686 }
1687 //else: single line text controls don't support styles
1688
1689 return false;
1690}
1691
1692bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
1693{
1694 if ( !IsMultiLine() )
1695 {
1696 // no styles for GtkEntry
1697 return false;
1698 }
1699
1700 gint l = gtk_text_buffer_get_char_count( m_buffer );
1701
1702 wxCHECK_MSG( position >= 0 && position <= l, false,
1703 _T("invalid range in wxTextCtrl::GetStyle") );
1704
1705 GtkTextIter positioni;
1706 gtk_text_buffer_get_iter_at_offset(m_buffer, &positioni, position);
1707
1708 // Obtain a copy of the default attributes
1709 GtkTextAttributes * const
1710 pattr = gtk_text_view_get_default_attributes(GTK_TEXT_VIEW(m_text));
1711 wxON_BLOCK_EXIT1( g_free, pattr );
1712
1713 // And query GTK for the attributes at the given position using it as base
1714 if ( !gtk_text_iter_get_attributes(&positioni, pattr) )
1715 {
1716 style = m_defaultStyle;
1717 }
1718 else // have custom attributes
1719 {
1720 style.SetBackgroundColour(pattr->appearance.bg_color);
1721 style.SetTextColour(pattr->appearance.fg_color);
1722
1723 const wxGtkString
1724 pangoFontString(pango_font_description_to_string(pattr->font));
1725
1726 wxFont font;
1727 if ( font.SetNativeFontInfo(wxString(pangoFontString)) )
1728 style.SetFont(font);
1729
1730 // TODO: set alignment, tabs and indents
1731 }
1732
1733 return true;
1734}
1735
1736void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1737{
1738 gtk_widget_modify_style(m_text, style);
1739}
1740
1741void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1742{
1743 Cut();
1744}
1745
1746void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1747{
1748 Copy();
1749}
1750
1751void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1752{
1753 Paste();
1754}
1755
1756void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1757{
1758 Undo();
1759}
1760
1761void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1762{
1763 Redo();
1764}
1765
1766void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1767{
1768 event.Enable( CanCut() );
1769}
1770
1771void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1772{
1773 event.Enable( CanCopy() );
1774}
1775
1776void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1777{
1778 event.Enable( CanPaste() );
1779}
1780
1781void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1782{
1783 event.Enable( CanUndo() );
1784}
1785
1786void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1787{
1788 event.Enable( CanRedo() );
1789}
1790
1791wxSize wxTextCtrl::DoGetBestSize() const
1792{
1793 // FIXME should be different for multi-line controls...
1794 wxSize ret( wxControl::DoGetBestSize() );
1795 wxSize best(80, ret.y);
1796 CacheBestSize(best);
1797 return best;
1798}
1799
1800// ----------------------------------------------------------------------------
1801// freeze/thaw
1802// ----------------------------------------------------------------------------
1803
1804void wxTextCtrl::DoFreeze()
1805{
1806 wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1807
1808 wxWindow::DoFreeze();
1809
1810 if ( HasFlag(wxTE_MULTILINE) )
1811 {
1812 GTKFreezeWidget(m_text);
1813
1814 // removing buffer dramatically speeds up insertion:
1815 g_object_ref(m_buffer);
1816 GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1817 GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1818 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1819 // gtk_text_view_set_buffer adds its own reference
1820 g_object_unref(buf_new);
1821 // This mark should be deleted when the buffer is changed,
1822 // but it's not (in GTK+ up to at least 2.10.6).
1823 // Otherwise these anonymous marks start to build up in the buffer,
1824 // and Freeze takes longer and longer each time it is called.
1825 if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1826 gtk_text_buffer_delete_mark(m_buffer, mark);
1827 }
1828}
1829
1830void wxTextCtrl::DoThaw()
1831{
1832 if ( HasFlag(wxTE_MULTILINE) )
1833 {
1834 // reattach buffer:
1835 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1836 g_object_unref(m_buffer);
1837
1838 if (m_showPositionOnThaw != NULL)
1839 {
1840 gtk_text_view_scroll_mark_onscreen(
1841 GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1842 m_showPositionOnThaw = NULL;
1843 }
1844
1845 // and thaw the window
1846 GTKThawWidget(m_text);
1847 }
1848
1849 wxWindow::DoThaw();
1850}
1851
1852// ----------------------------------------------------------------------------
1853// wxTextUrlEvent passing if style & wxTE_AUTO_URL
1854// ----------------------------------------------------------------------------
1855
1856// FIXME: when dragging on a link the sample gets an "Unknown event".
1857// This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1858// a buggy sample, or something else
1859void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1860{
1861 event.Skip();
1862 if( !HasFlag(wxTE_AUTO_URL) )
1863 return;
1864
1865 gint x, y;
1866 GtkTextIter start, end;
1867 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1868 "wxUrl");
1869
1870 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1871 event.GetX(), event.GetY(), &x, &y);
1872
1873 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1874 if (!gtk_text_iter_has_tag(&end, tag))
1875 {
1876 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1877 GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1878 return;
1879 }
1880
1881 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1882 GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1883
1884 start = end;
1885 if(!gtk_text_iter_begins_tag(&start, tag))
1886 gtk_text_iter_backward_to_tag_toggle(&start, tag);
1887 if(!gtk_text_iter_ends_tag(&end, tag))
1888 gtk_text_iter_forward_to_tag_toggle(&end, tag);
1889
1890 // Native context menu is probably not desired on an URL.
1891 // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1892 if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1893 event.Skip(false);
1894
1895 wxTextUrlEvent url_event(m_windowId, event,
1896 gtk_text_iter_get_offset(&start),
1897 gtk_text_iter_get_offset(&end));
1898
1899 InitCommandEvent(url_event);
1900 // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1901 //event.Skip(!HandleWindowEvent(url_event));
1902 HandleWindowEvent(url_event);
1903}
1904
1905bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1906{
1907 bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1908
1909 // GtkTextView starts a drag operation when left mouse button is pressed
1910 // and ends it when it is released and if it doesn't get the release event
1911 // the next click on a control results in an assertion failure inside
1912 // gtk_text_view_start_selection_drag() which simply *kills* the program
1913 // without anything we can do about it, so always let GTK+ have this event
1914 return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
1915}
1916
1917// static
1918wxVisualAttributes
1919wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1920{
1921 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
1922}
1923
1924#endif // wxUSE_TEXTCTRL
wxWidgets (Impactor)