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