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don't call size_request to get best size of a non-native control, it will probably...
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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", &para_start, &para_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", &para_start, &para_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", &para_start, &para_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// "populate_popup" from text control and "unmap" from its poup menu
499//-----------------------------------------------------------------------------
500
501extern "C" {
502static void
503gtk_textctrl_popup_unmap( GtkMenu *WXUNUSED(menu), wxTextCtrl* win )
504{
505 win->GTKEnableFocusOutEvent();
506}
507}
508
509extern "C" {
510static void
511gtk_textctrl_populate_popup( GtkEntry *WXUNUSED(entry), GtkMenu *menu, wxTextCtrl *win )
512{
513 win->GTKDisableFocusOutEvent();
514
515 g_signal_connect (menu, "unmap", G_CALLBACK (gtk_textctrl_popup_unmap), win );
516}
517}
518
519//-----------------------------------------------------------------------------
520// "changed"
521//-----------------------------------------------------------------------------
522
523extern "C" {
524static void
525gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
526{
527 if ( win->IgnoreTextUpdate() )
528 return;
529
530 if (!win->m_hasVMT) return;
531
532 if ( win->MarkDirtyOnChange() )
533 win->MarkDirty();
534
535 win->SendTextUpdatedEvent();
536}
537}
538
539//-----------------------------------------------------------------------------
540// clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
541//-----------------------------------------------------------------------------
542
543// common part of the event handlers below
544static void
545handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
546 wxEventType eventType, const gchar * signal_name)
547{
548 wxClipboardTextEvent event( eventType, win->GetId() );
549 event.SetEventObject( win );
550 if ( win->HandleWindowEvent( event ) )
551 {
552 // don't let the default processing to take place if we did something
553 // ourselves in the event handler
554 g_signal_stop_emission_by_name (widget, signal_name);
555 }
556}
557
558extern "C" {
559static void
560gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
561{
562 handle_text_clipboard_callback(
563 widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
564}
565
566static void
567gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
568{
569 handle_text_clipboard_callback(
570 widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
571}
572
573static void
574gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
575{
576 handle_text_clipboard_callback(
577 widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
578}
579}
580
581//-----------------------------------------------------------------------------
582// wxTextCtrl
583//-----------------------------------------------------------------------------
584
585IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
586
587BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
588 EVT_CHAR(wxTextCtrl::OnChar)
589
590 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
591 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
592 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
593 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
594 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
595
596 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
597 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
598 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
599 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
600 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
601
602 // wxTE_AUTO_URL wxTextUrl support. Currently only creates
603 // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
604 EVT_MOTION (wxTextCtrl::OnUrlMouseEvent)
605 EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent)
606 EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent)
607 EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
608 EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent)
609 EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent)
610 EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
611END_EVENT_TABLE()
612
613void wxTextCtrl::Init()
614{
615 m_dontMarkDirty =
616 m_modified = false;
617
618 m_countUpdatesToIgnore = 0;
619
620 SetUpdateFont(false);
621
622 m_text = NULL;
623 m_showPositionOnThaw = NULL;
624 m_gdkHandCursor = NULL;
625 m_gdkXTermCursor = NULL;
626}
627
628wxTextCtrl::~wxTextCtrl()
629{
630 if(m_gdkHandCursor)
631 gdk_cursor_unref(m_gdkHandCursor);
632 if(m_gdkXTermCursor)
633 gdk_cursor_unref(m_gdkXTermCursor);
634}
635
636wxTextCtrl::wxTextCtrl( wxWindow *parent,
637 wxWindowID id,
638 const wxString &value,
639 const wxPoint &pos,
640 const wxSize &size,
641 long style,
642 const wxValidator& validator,
643 const wxString &name )
644{
645 Init();
646
647 Create( parent, id, value, pos, size, style, validator, name );
648}
649
650bool wxTextCtrl::Create( wxWindow *parent,
651 wxWindowID id,
652 const wxString &value,
653 const wxPoint &pos,
654 const wxSize &size,
655 long style,
656 const wxValidator& validator,
657 const wxString &name )
658{
659 if (!PreCreation( parent, pos, size ) ||
660 !CreateBase( parent, id, pos, size, style, validator, name ))
661 {
662 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
663 return false;
664 }
665
666 bool multi_line = (style & wxTE_MULTILINE) != 0;
667
668 if (multi_line)
669 {
670 // Create view
671 m_text = gtk_text_view_new();
672
673 m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
674
675 // create "ShowPosition" marker
676 GtkTextIter iter;
677 gtk_text_buffer_get_start_iter(m_buffer, &iter);
678 gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
679
680 // create scrolled window
681 m_widget = gtk_scrolled_window_new( NULL, NULL );
682 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
683 GTK_POLICY_AUTOMATIC,
684 style & wxTE_NO_VSCROLL
685 ? GTK_POLICY_NEVER
686 : GTK_POLICY_AUTOMATIC );
687 // for ScrollLines/Pages
688 m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
689
690 // Insert view into scrolled window
691 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
692
693 GTKSetWrapMode();
694
695 GtkScrolledWindowSetBorder(m_widget, style);
696
697 gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
698
699 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
700 }
701 else
702 {
703 // a single-line text control: no need for scrollbars
704 m_widget =
705 m_text = gtk_entry_new();
706
707 if (style & wxNO_BORDER)
708 g_object_set (m_text, "has-frame", FALSE, NULL);
709
710 }
711 g_object_ref(m_widget);
712
713 m_parent->DoAddChild( this );
714
715 m_focusWidget = m_text;
716
717 PostCreation(size);
718
719 if (multi_line)
720 {
721 gtk_widget_show(m_text);
722 }
723
724 // We want to be notified about text changes.
725 if (multi_line)
726 {
727 g_signal_connect (m_buffer, "changed",
728 G_CALLBACK (gtk_text_changed_callback), this);
729 }
730 else
731 {
732 g_signal_connect (m_text, "changed",
733 G_CALLBACK (gtk_text_changed_callback), this);
734 }
735
736 // Catch to disable focus out handling
737 g_signal_connect (m_text, "populate_popup",
738 G_CALLBACK (gtk_textctrl_populate_popup),
739 this);
740
741 if (!value.empty())
742 {
743 SetValue( value );
744 }
745
746 if (style & wxTE_PASSWORD)
747 GTKSetVisibility();
748
749 if (style & wxTE_READONLY)
750 GTKSetEditable();
751
752 // left justification (alignment) is the default anyhow
753 if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
754 GTKSetJustification();
755
756 if (multi_line)
757 {
758 // Handle URLs on multi-line controls with wxTE_AUTO_URL style
759 if (style & wxTE_AUTO_URL)
760 {
761 GtkTextIter start, end;
762 m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
763 m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
764
765 // We create our wxUrl tag here for slight efficiency gain - we
766 // don't have to check for the tag existance in callbacks,
767 // hereby it's guaranteed to exist.
768 gtk_text_buffer_create_tag(m_buffer, "wxUrl",
769 "foreground", "blue",
770 "underline", PANGO_UNDERLINE_SINGLE,
771 NULL);
772
773 // Check for URLs after each text change
774 g_signal_connect_after (m_buffer, "insert_text",
775 G_CALLBACK (au_insert_text_callback), this);
776 g_signal_connect_after (m_buffer, "delete_range",
777 G_CALLBACK (au_delete_range_callback), this);
778
779 // Block all wxUrl tag applying unless we do it ourselves, in which case we
780 // block this callback temporarily. This takes care of gtk+ internal
781 // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
782 // which is undesired because only a part of the URL might be copied.
783 // The insert-text signal emitted inside it will take care of newly formed
784 // or wholly copied URLs.
785 g_signal_connect (m_buffer, "apply_tag",
786 G_CALLBACK (au_apply_tag_callback), NULL);
787
788 // Check for URLs in the initial string passed to Create
789 gtk_text_buffer_get_start_iter(m_buffer, &start);
790 gtk_text_buffer_get_end_iter(m_buffer, &end);
791 au_check_range(&start, &end);
792 }
793 }
794 else // single line
795 {
796 // do the right thing with Enter presses depending on whether we have
797 // wxTE_PROCESS_ENTER or not
798 GTKSetActivatesDefault();
799 }
800
801
802 g_signal_connect (m_text, "copy-clipboard",
803 G_CALLBACK (gtk_copy_clipboard_callback), this);
804 g_signal_connect (m_text, "cut-clipboard",
805 G_CALLBACK (gtk_cut_clipboard_callback), this);
806 g_signal_connect (m_text, "paste-clipboard",
807 G_CALLBACK (gtk_paste_clipboard_callback), this);
808
809 m_cursor = wxCursor( wxCURSOR_IBEAM );
810
811 return true;
812}
813
814GtkEditable *wxTextCtrl::GetEditable() const
815{
816 wxCHECK_MSG( IsSingleLine(), NULL, "shouldn't be called for multiline" );
817
818 return GTK_EDITABLE(m_text);
819}
820
821// ----------------------------------------------------------------------------
822// flags handling
823// ----------------------------------------------------------------------------
824
825void wxTextCtrl::GTKSetEditable()
826{
827 gboolean editable = !HasFlag(wxTE_READONLY);
828 if ( IsSingleLine() )
829 gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
830 else
831 gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
832}
833
834void wxTextCtrl::GTKSetVisibility()
835{
836 wxCHECK_RET( IsSingleLine(),
837 "wxTE_PASSWORD is for single line text controls only" );
838
839 gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
840}
841
842void wxTextCtrl::GTKSetActivatesDefault()
843{
844 wxCHECK_RET( IsSingleLine(),
845 "wxTE_PROCESS_ENTER is for single line text controls only" );
846
847 gtk_entry_set_activates_default(GTK_ENTRY(m_text),
848 !HasFlag(wxTE_PROCESS_ENTER));
849}
850
851void wxTextCtrl::GTKSetWrapMode()
852{
853 // no wrapping in single line controls
854 if ( !IsMultiLine() )
855 return;
856
857 // translate wx wrapping style to GTK+
858 GtkWrapMode wrap;
859 if ( HasFlag( wxTE_DONTWRAP ) )
860 wrap = GTK_WRAP_NONE;
861 else if ( HasFlag( wxTE_CHARWRAP ) )
862 wrap = GTK_WRAP_CHAR;
863 else if ( HasFlag( wxTE_WORDWRAP ) )
864 wrap = GTK_WRAP_WORD;
865 else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
866 wrap = GTK_WRAP_WORD_CHAR;
867
868 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
869}
870
871void wxTextCtrl::GTKSetJustification()
872{
873 if ( IsMultiLine() )
874 {
875 GtkJustification just;
876 if ( HasFlag(wxTE_RIGHT) )
877 just = GTK_JUSTIFY_RIGHT;
878 else if ( HasFlag(wxTE_CENTRE) )
879 just = GTK_JUSTIFY_CENTER;
880 else // wxTE_LEFT == 0
881 just = GTK_JUSTIFY_LEFT;
882
883 gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
884 }
885 else // single line
886 {
887 gfloat align;
888 if ( HasFlag(wxTE_RIGHT) )
889 align = 1.0;
890 else if ( HasFlag(wxTE_CENTRE) )
891 align = 0.5;
892 else // single line
893 align = 0.0;
894
895 gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
896 }
897}
898
899void wxTextCtrl::SetWindowStyleFlag(long style)
900{
901 long styleOld = GetWindowStyleFlag();
902
903 wxTextCtrlBase::SetWindowStyleFlag(style);
904
905 if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
906 GTKSetEditable();
907
908 if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
909 GTKSetVisibility();
910
911 if ( (style & wxTE_PROCESS_ENTER) != (styleOld & wxTE_PROCESS_ENTER) )
912 GTKSetActivatesDefault();
913
914 static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
915 if ( (style & flagsWrap) != (styleOld & flagsWrap) )
916 GTKSetWrapMode();
917
918 static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
919 if ( (style & flagsAlign) != (styleOld & flagsAlign) )
920 GTKSetJustification();
921}
922
923// ----------------------------------------------------------------------------
924// control value
925// ----------------------------------------------------------------------------
926
927wxString wxTextCtrl::GetValue() const
928{
929 wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
930
931 if ( IsMultiLine() )
932 {
933 GtkTextIter start;
934 gtk_text_buffer_get_start_iter( m_buffer, &start );
935 GtkTextIter end;
936 gtk_text_buffer_get_end_iter( m_buffer, &end );
937 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
938
939 return wxGTK_CONV_BACK(text);
940 }
941 else // single line
942 {
943 return wxTextEntry::GetValue();
944 }
945}
946
947wxFontEncoding wxTextCtrl::GetTextEncoding() const
948{
949 // GTK+ uses UTF-8 internally, we need to convert to it but from which
950 // encoding?
951
952 // first check the default text style (we intentionally don't check the
953 // style for the current position as it doesn't make sense for SetValue())
954 const wxTextAttr& style = GetDefaultStyle();
955 wxFontEncoding enc = style.HasFontEncoding() ? style.GetFontEncoding()
956 : wxFONTENCODING_SYSTEM;
957
958 // fall back to the controls font if no style
959 if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
960 enc = GetFont().GetEncoding();
961
962 return enc;
963}
964
965bool wxTextCtrl::IsEmpty() const
966{
967 if ( IsMultiLine() )
968 return gtk_text_buffer_get_char_count(m_buffer) == 0;
969
970 return wxTextEntry::IsEmpty();
971}
972
973void wxTextCtrl::DoSetValue( const wxString &value, int flags )
974{
975 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
976
977 m_modified = false;
978
979 if ( !IsMultiLine() )
980 {
981 wxTextEntry::DoSetValue(value, flags);
982 return;
983 }
984
985 if (value.IsEmpty())
986 {
987 if ( !(flags & SetValue_SendEvent) )
988 EnableTextChangedEvents(false);
989
990 gtk_text_buffer_set_text( m_buffer, "", 0 );
991
992 if ( !(flags & SetValue_SendEvent) )
993 EnableTextChangedEvents(true);
994
995 return;
996 }
997
998#if wxUSE_UNICODE
999 const wxCharBuffer buffer(value.utf8_str());
1000#else
1001 wxFontEncoding enc = m_defaultStyle.HasFont()
1002 ? m_defaultStyle.GetFont().GetEncoding()
1003 : wxFONTENCODING_SYSTEM;
1004 if ( enc == wxFONTENCODING_SYSTEM )
1005 enc = GetTextEncoding();
1006
1007 const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
1008 if ( !buffer )
1009 {
1010 // see comment in WriteText() as to why we must warn the user about
1011 // this
1012 wxLogWarning(_("Failed to set text in the text control."));
1013 return;
1014 }
1015#endif
1016
1017 if ( !(flags & SetValue_SendEvent) )
1018 {
1019 EnableTextChangedEvents(false);
1020 }
1021
1022 gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
1023
1024 if ( !m_defaultStyle.IsDefault() )
1025 {
1026 GtkTextIter start, end;
1027 gtk_text_buffer_get_bounds( m_buffer, &start, &end );
1028 wxGtkTextApplyTagsFromAttr(m_widget, m_buffer, m_defaultStyle,
1029 &start, &end);
1030 }
1031
1032 if ( !(flags & SetValue_SendEvent) )
1033 {
1034 EnableTextChangedEvents(true);
1035 }
1036}
1037
1038void wxTextCtrl::WriteText( const wxString &text )
1039{
1040 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1041
1042 // we're changing the text programmatically
1043 DontMarkDirtyOnNextChange();
1044
1045 if ( !IsMultiLine() )
1046 {
1047 wxTextEntry::WriteText(text);
1048 return;
1049 }
1050
1051#if wxUSE_UNICODE
1052 const wxCharBuffer buffer(text.utf8_str());
1053#else
1054 // check if we have a specific style for the current position
1055 wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1056 wxTextAttr style;
1057 if ( GetStyle(GetInsertionPoint(), style) && style.HasFontEncoding() )
1058 {
1059 enc = style.GetFontEncoding();
1060 }
1061
1062 if ( enc == wxFONTENCODING_SYSTEM )
1063 enc = GetTextEncoding();
1064
1065 const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1066 if ( !buffer )
1067 {
1068 // we must log an error here as losing the text like this can be a
1069 // serious problem (e.g. imagine the document edited by user being
1070 // empty instead of containing the correct text)
1071 wxLogWarning(_("Failed to insert text in the control."));
1072 return;
1073 }
1074#endif
1075
1076 // First remove the selection if there is one
1077 // TODO: Is there an easier GTK specific way to do this?
1078 long from, to;
1079 GetSelection(&from, &to);
1080 if (from != to)
1081 Remove(from, to);
1082
1083 // Insert the text
1084 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1085
1086 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1087 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1088 // won't work when frozen, text view is not using m_buffer then
1089 if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1090 {
1091 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1092 gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1093 }
1094}
1095
1096wxString wxTextCtrl::GetLineText( long lineNo ) const
1097{
1098 wxString result;
1099 if ( IsMultiLine() )
1100 {
1101 GtkTextIter line;
1102 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1103
1104 GtkTextIter end = line;
1105 // avoid skipping to the next line end if this one is empty
1106 if ( !gtk_text_iter_ends_line(&line) )
1107 gtk_text_iter_forward_to_line_end(&end);
1108
1109 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1110 result = wxGTK_CONV_BACK(text);
1111 }
1112 else
1113 {
1114 if (lineNo == 0)
1115 result = GetValue();
1116 }
1117 return result;
1118}
1119
1120void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1121{
1122 /* If you implement this, don't forget to update the documentation!
1123 * (file docs/latex/wx/text.tex) */
1124 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1125}
1126
1127bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1128{
1129 if ( IsMultiLine() )
1130 {
1131 GtkTextIter iter;
1132
1133 if (pos > GetLastPosition())
1134 return false;
1135
1136 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1137
1138 if ( y )
1139 *y = gtk_text_iter_get_line(&iter);
1140 if ( x )
1141 *x = gtk_text_iter_get_line_offset(&iter);
1142 }
1143 else // single line control
1144 {
1145 if ( pos <= GTK_ENTRY(m_text)->text_length )
1146 {
1147 if ( y )
1148 *y = 0;
1149 if ( x )
1150 *x = pos;
1151 }
1152 else
1153 {
1154 // index out of bounds
1155 return false;
1156 }
1157 }
1158
1159 return true;
1160}
1161
1162long wxTextCtrl::XYToPosition(long x, long y ) const
1163{
1164 if ( IsSingleLine() )
1165 return 0;
1166
1167 GtkTextIter iter;
1168 if (y >= gtk_text_buffer_get_line_count (m_buffer))
1169 return -1;
1170
1171 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1172 if (x >= gtk_text_iter_get_chars_in_line (&iter))
1173 return -1;
1174
1175 return gtk_text_iter_get_offset(&iter) + x;
1176}
1177
1178int wxTextCtrl::GetLineLength(long lineNo) const
1179{
1180 if ( IsMultiLine() )
1181 {
1182 int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1183 if (lineNo > last_line)
1184 return -1;
1185
1186 GtkTextIter iter;
1187 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1188 // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1189 return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1190 }
1191 else
1192 {
1193 wxString str = GetLineText (lineNo);
1194 return (int) str.length();
1195 }
1196}
1197
1198int wxTextCtrl::GetNumberOfLines() const
1199{
1200 if ( IsMultiLine() )
1201 {
1202 return gtk_text_buffer_get_line_count( m_buffer );
1203 }
1204 else // single line
1205 {
1206 return 1;
1207 }
1208}
1209
1210void wxTextCtrl::SetInsertionPoint( long pos )
1211{
1212 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1213
1214 if ( IsMultiLine() )
1215 {
1216 GtkTextIter iter;
1217 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1218 gtk_text_buffer_place_cursor( m_buffer, &iter );
1219 GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1220 if (IsFrozen())
1221 // defer until Thaw, text view is not using m_buffer now
1222 m_showPositionOnThaw = mark;
1223 else
1224 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1225 }
1226 else // single line
1227 {
1228 wxTextEntry::SetInsertionPoint(pos);
1229 }
1230}
1231
1232void wxTextCtrl::SetEditable( bool editable )
1233{
1234 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1235
1236 if ( IsMultiLine() )
1237 {
1238 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1239 }
1240 else // single line
1241 {
1242 wxTextEntry::SetEditable(editable);
1243 }
1244}
1245
1246bool wxTextCtrl::Enable( bool enable )
1247{
1248 if (!wxWindowBase::Enable(enable))
1249 {
1250 // nothing to do
1251 return false;
1252 }
1253
1254 gtk_widget_set_sensitive( m_text, enable );
1255
1256 return true;
1257}
1258
1259// wxGTK-specific: called recursively by Enable,
1260// to give widgets an opportunity to correct their colours after they
1261// have been changed by Enable
1262void wxTextCtrl::OnEnabled(bool WXUNUSED(enable))
1263{
1264 // If we have a custom background colour, we use this colour in both
1265 // disabled and enabled mode, or we end up with a different colour under the
1266 // text.
1267 wxColour oldColour = GetBackgroundColour();
1268 if (oldColour.Ok())
1269 {
1270 // Need to set twice or it'll optimize the useful stuff out
1271 if (oldColour == * wxWHITE)
1272 SetBackgroundColour(*wxBLACK);
1273 else
1274 SetBackgroundColour(*wxWHITE);
1275 SetBackgroundColour(oldColour);
1276 }
1277}
1278
1279void wxTextCtrl::MarkDirty()
1280{
1281 m_modified = true;
1282}
1283
1284void wxTextCtrl::DiscardEdits()
1285{
1286 m_modified = false;
1287}
1288
1289// ----------------------------------------------------------------------------
1290// event handling
1291// ----------------------------------------------------------------------------
1292
1293void wxTextCtrl::EnableTextChangedEvents(bool enable)
1294{
1295 if ( enable )
1296 {
1297 g_signal_handlers_unblock_by_func(GetTextObject(),
1298 (gpointer)gtk_text_changed_callback, this);
1299 }
1300 else // disable events
1301 {
1302 g_signal_handlers_block_by_func(GetTextObject(),
1303 (gpointer)gtk_text_changed_callback, this);
1304 }
1305}
1306
1307bool wxTextCtrl::IgnoreTextUpdate()
1308{
1309 if ( m_countUpdatesToIgnore > 0 )
1310 {
1311 m_countUpdatesToIgnore--;
1312
1313 return true;
1314 }
1315
1316 return false;
1317}
1318
1319bool wxTextCtrl::MarkDirtyOnChange()
1320{
1321 if ( m_dontMarkDirty )
1322 {
1323 m_dontMarkDirty = false;
1324
1325 return false;
1326 }
1327
1328 return true;
1329}
1330
1331void wxTextCtrl::SetSelection( long from, long to )
1332{
1333 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1334
1335 if (from == -1 && to == -1)
1336 {
1337 from = 0;
1338 to = GetValue().length();
1339 }
1340
1341 if ( IsMultiLine() )
1342 {
1343 GtkTextIter fromi, toi;
1344 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1345 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1346
1347 gtk_text_buffer_select_range( m_buffer, &fromi, &toi );
1348 }
1349 else // single line
1350 {
1351 wxTextEntry::SetSelection(from, to);
1352 }
1353}
1354
1355void wxTextCtrl::ShowPosition( long pos )
1356{
1357 if (IsMultiLine())
1358 {
1359 GtkTextIter iter;
1360 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1361 GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1362 gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1363 if (IsFrozen())
1364 // defer until Thaw, text view is not using m_buffer now
1365 m_showPositionOnThaw = mark;
1366 else
1367 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1368 }
1369}
1370
1371wxTextCtrlHitTestResult
1372wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1373{
1374 if ( !IsMultiLine() )
1375 {
1376 // not supported
1377 return wxTE_HT_UNKNOWN;
1378 }
1379
1380 int x, y;
1381 gtk_text_view_window_to_buffer_coords
1382 (
1383 GTK_TEXT_VIEW(m_text),
1384 GTK_TEXT_WINDOW_TEXT,
1385 pt.x, pt.y,
1386 &x, &y
1387 );
1388
1389 GtkTextIter iter;
1390 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1391 if ( pos )
1392 *pos = gtk_text_iter_get_offset(&iter);
1393
1394 return wxTE_HT_ON_TEXT;
1395}
1396
1397long wxTextCtrl::GetInsertionPoint() const
1398{
1399 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1400
1401 if ( IsMultiLine() )
1402 {
1403 // There is no direct accessor for the cursor, but
1404 // internally, the cursor is the "mark" called
1405 // "insert" in the text view's btree structure.
1406
1407 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1408 GtkTextIter cursor;
1409 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1410
1411 return gtk_text_iter_get_offset( &cursor );
1412 }
1413 else
1414 {
1415 return wxTextEntry::GetInsertionPoint();
1416 }
1417}
1418
1419wxTextPos wxTextCtrl::GetLastPosition() const
1420{
1421 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1422
1423 int pos = 0;
1424
1425 if ( IsMultiLine() )
1426 {
1427 GtkTextIter end;
1428 gtk_text_buffer_get_end_iter( m_buffer, &end );
1429
1430 pos = gtk_text_iter_get_offset( &end );
1431 }
1432 else // single line
1433 {
1434 pos = wxTextEntry::GetLastPosition();
1435 }
1436
1437 return (long)pos;
1438}
1439
1440void wxTextCtrl::Remove( long from, long to )
1441{
1442 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1443
1444 if ( IsMultiLine() )
1445 {
1446 GtkTextIter fromi, toi;
1447 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1448 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1449
1450 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1451 }
1452 else // single line
1453 {
1454 wxTextEntry::Remove(from, to);
1455 }
1456}
1457
1458void wxTextCtrl::Cut()
1459{
1460 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1461
1462 if ( IsMultiLine() )
1463 g_signal_emit_by_name (m_text, "cut-clipboard");
1464 else
1465 wxTextEntry::Cut();
1466}
1467
1468void wxTextCtrl::Copy()
1469{
1470 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1471
1472 if ( IsMultiLine() )
1473 g_signal_emit_by_name (m_text, "copy-clipboard");
1474 else
1475 wxTextEntry::Copy();
1476}
1477
1478void wxTextCtrl::Paste()
1479{
1480 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1481
1482 if ( IsMultiLine() )
1483 g_signal_emit_by_name (m_text, "paste-clipboard");
1484 else
1485 wxTextEntry::Paste();
1486}
1487
1488// If the return values from and to are the same, there is no
1489// selection.
1490void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1491{
1492 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1493
1494 if ( !IsMultiLine() )
1495 {
1496 wxTextEntry::GetSelection(fromOut, toOut);
1497 return;
1498 }
1499
1500 gint from, to;
1501
1502 GtkTextIter ifrom, ito;
1503 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1504 {
1505 from = gtk_text_iter_get_offset(&ifrom);
1506 to = gtk_text_iter_get_offset(&ito);
1507
1508 if ( from > to )
1509 {
1510 // exchange them to be compatible with wxMSW
1511 gint tmp = from;
1512 from = to;
1513 to = tmp;
1514 }
1515 }
1516 else // no selection
1517 {
1518 from =
1519 to = GetInsertionPoint();
1520 }
1521
1522 if ( fromOut )
1523 *fromOut = from;
1524 if ( toOut )
1525 *toOut = to;
1526}
1527
1528
1529bool wxTextCtrl::IsEditable() const
1530{
1531 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1532
1533 if ( IsMultiLine() )
1534 {
1535 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1536 }
1537 else
1538 {
1539 return wxTextEntry::IsEditable();
1540 }
1541}
1542
1543bool wxTextCtrl::IsModified() const
1544{
1545 return m_modified;
1546}
1547
1548void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1549{
1550 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1551
1552 if ( key_event.GetKeyCode() == WXK_RETURN )
1553 {
1554 if ( HasFlag(wxTE_PROCESS_ENTER) )
1555 {
1556 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1557 event.SetEventObject(this);
1558 event.SetString(GetValue());
1559 if ( HandleWindowEvent(event) )
1560 return;
1561 }
1562 }
1563
1564 key_event.Skip();
1565}
1566
1567GtkWidget* wxTextCtrl::GetConnectWidget()
1568{
1569 return GTK_WIDGET(m_text);
1570}
1571
1572GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1573{
1574 if ( IsMultiLine() )
1575 {
1576 return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1577 GTK_TEXT_WINDOW_TEXT );
1578 }
1579 else
1580 {
1581 return GTK_ENTRY(m_text)->text_area;
1582 }
1583}
1584
1585// the font will change for subsequent text insertiongs
1586bool wxTextCtrl::SetFont( const wxFont &font )
1587{
1588 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1589
1590 if ( !wxTextCtrlBase::SetFont(font) )
1591 {
1592 // font didn't change, nothing to do
1593 return false;
1594 }
1595
1596 if ( IsMultiLine() )
1597 {
1598 SetUpdateFont(true);
1599
1600 m_defaultStyle.SetFont(font);
1601
1602 ChangeFontGlobally();
1603 }
1604
1605 return true;
1606}
1607
1608void wxTextCtrl::ChangeFontGlobally()
1609{
1610 // this method is very inefficient and hence should be called as rarely as
1611 // possible!
1612 //
1613 // TODO: it can be implemented much more efficiently for GTK2
1614 wxASSERT_MSG( IsMultiLine(),
1615 _T("shouldn't be called for single line controls") );
1616
1617 wxString value = GetValue();
1618 if ( !value.empty() )
1619 {
1620 SetUpdateFont(false);
1621
1622 Clear();
1623 AppendText(value);
1624 }
1625}
1626
1627bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1628{
1629 if ( !wxControl::SetForegroundColour(colour) )
1630 return false;
1631
1632 // update default fg colour too
1633 m_defaultStyle.SetTextColour(colour);
1634
1635 return true;
1636}
1637
1638bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1639{
1640 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1641
1642 if ( !wxControl::SetBackgroundColour( colour ) )
1643 return false;
1644
1645 if (!m_backgroundColour.Ok())
1646 return false;
1647
1648 // change active background color too
1649 m_defaultStyle.SetBackgroundColour( colour );
1650
1651 return true;
1652}
1653
1654bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1655{
1656 if ( IsMultiLine() )
1657 {
1658 if ( style.IsDefault() )
1659 {
1660 // nothing to do
1661 return true;
1662 }
1663
1664 gint l = gtk_text_buffer_get_char_count( m_buffer );
1665
1666 wxCHECK_MSG( start >= 0 && end <= l, false,
1667 _T("invalid range in wxTextCtrl::SetStyle") );
1668
1669 GtkTextIter starti, endi;
1670 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1671 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1672
1673 wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1674
1675 return true;
1676 }
1677 //else: single line text controls don't support styles
1678
1679 return false;
1680}
1681
1682void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1683{
1684 gtk_widget_modify_style(m_text, style);
1685}
1686
1687void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1688{
1689 Cut();
1690}
1691
1692void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1693{
1694 Copy();
1695}
1696
1697void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1698{
1699 Paste();
1700}
1701
1702void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1703{
1704 Undo();
1705}
1706
1707void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1708{
1709 Redo();
1710}
1711
1712void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1713{
1714 event.Enable( CanCut() );
1715}
1716
1717void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1718{
1719 event.Enable( CanCopy() );
1720}
1721
1722void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1723{
1724 event.Enable( CanPaste() );
1725}
1726
1727void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1728{
1729 event.Enable( CanUndo() );
1730}
1731
1732void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1733{
1734 event.Enable( CanRedo() );
1735}
1736
1737wxSize wxTextCtrl::DoGetBestSize() const
1738{
1739 // FIXME should be different for multi-line controls...
1740 wxSize ret( wxControl::DoGetBestSize() );
1741 wxSize best(80, ret.y);
1742 CacheBestSize(best);
1743 return best;
1744}
1745
1746// ----------------------------------------------------------------------------
1747// freeze/thaw
1748// ----------------------------------------------------------------------------
1749
1750void wxTextCtrl::DoFreeze()
1751{
1752 wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1753
1754 wxWindow::DoFreeze();
1755
1756 if ( HasFlag(wxTE_MULTILINE) )
1757 {
1758 GTKFreezeWidget(m_text);
1759
1760 // removing buffer dramatically speeds up insertion:
1761 g_object_ref(m_buffer);
1762 GtkTextBuffer* buf_new = gtk_text_buffer_new(NULL);
1763 GtkTextMark* mark = GTK_TEXT_VIEW(m_text)->first_para_mark;
1764 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), buf_new);
1765 // gtk_text_view_set_buffer adds its own reference
1766 g_object_unref(buf_new);
1767 // This mark should be deleted when the buffer is changed,
1768 // but it's not (in GTK+ up to at least 2.10.6).
1769 // Otherwise these anonymous marks start to build up in the buffer,
1770 // and Freeze takes longer and longer each time it is called.
1771 if (GTK_IS_TEXT_MARK(mark) && !gtk_text_mark_get_deleted(mark))
1772 gtk_text_buffer_delete_mark(m_buffer, mark);
1773 }
1774}
1775
1776void wxTextCtrl::DoThaw()
1777{
1778 if ( HasFlag(wxTE_MULTILINE) )
1779 {
1780 // reattach buffer:
1781 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1782 g_object_unref(m_buffer);
1783
1784 if (m_showPositionOnThaw != NULL)
1785 {
1786 gtk_text_view_scroll_mark_onscreen(
1787 GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1788 m_showPositionOnThaw = NULL;
1789 }
1790
1791 // and thaw the window
1792 GTKThawWidget(m_text);
1793 }
1794
1795 wxWindow::DoThaw();
1796}
1797
1798// ----------------------------------------------------------------------------
1799// wxTextUrlEvent passing if style & wxTE_AUTO_URL
1800// ----------------------------------------------------------------------------
1801
1802// FIXME: when dragging on a link the sample gets an "Unknown event".
1803// This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1804// a buggy sample, or something else
1805void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1806{
1807 event.Skip();
1808 if( !HasFlag(wxTE_AUTO_URL) )
1809 return;
1810
1811 gint x, y;
1812 GtkTextIter start, end;
1813 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1814 "wxUrl");
1815
1816 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1817 event.GetX(), event.GetY(), &x, &y);
1818
1819 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1820 if (!gtk_text_iter_has_tag(&end, tag))
1821 {
1822 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1823 GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1824 return;
1825 }
1826
1827 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1828 GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1829
1830 start = end;
1831 if(!gtk_text_iter_begins_tag(&start, tag))
1832 gtk_text_iter_backward_to_tag_toggle(&start, tag);
1833 if(!gtk_text_iter_ends_tag(&end, tag))
1834 gtk_text_iter_forward_to_tag_toggle(&end, tag);
1835
1836 // Native context menu is probably not desired on an URL.
1837 // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1838 if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1839 event.Skip(false);
1840
1841 wxTextUrlEvent url_event(m_windowId, event,
1842 gtk_text_iter_get_offset(&start),
1843 gtk_text_iter_get_offset(&end));
1844
1845 InitCommandEvent(url_event);
1846 // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1847 //event.Skip(!HandleWindowEvent(url_event));
1848 HandleWindowEvent(url_event);
1849}
1850
1851bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1852{
1853 bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1854
1855 // GtkTextView starts a drag operation when left mouse button is pressed
1856 // and ends it when it is released and if it doesn't get the release event
1857 // the next click on a control results in an assertion failure inside
1858 // gtk_text_view_start_selection_drag() which simply *kills* the program
1859 // without anything we can do about it, so always let GTK+ have this event
1860 return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
1861}
1862
1863// static
1864wxVisualAttributes
1865wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1866{
1867 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
1868}
1869
1870#endif // wxUSE_TEXTCTRL
wxWidgets (Impactor)