]> git.saurik.com Git - wxWidgets.git/blame_incremental - src/gtk/textctrl.cpp
projects / wxWidgets.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
PCH-less build fix
[wxWidgets.git] / src / gtk / textctrl.cpp
... / ...
CommitLineData
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 *start,
42 GtkTextIter *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 PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
88 wxGtkString font_string(pango_font_description_to_string(font_description));
89 g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string.c_str());
90 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
91 buf );
92 if (!tag)
93 tag = gtk_text_buffer_create_tag( text_buffer, buf,
94 "font-desc", font_description,
95 NULL );
96 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
97
98 if (attr.GetFont().GetUnderlined())
99 {
100 g_snprintf(buf, sizeof(buf), "WXFONTUNDERLINE");
101 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
102 buf );
103 if (!tag)
104 tag = gtk_text_buffer_create_tag( text_buffer, buf,
105 "underline-set", TRUE,
106 "underline", PANGO_UNDERLINE_SINGLE,
107 NULL );
108 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
109 }
110 }
111
112 if (attr.HasTextColour())
113 {
114 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXFORECOLOR", start, end);
115
116 const GdkColor *colFg = attr.GetTextColour().GetColor();
117 g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
118 colFg->red, colFg->green, colFg->blue);
119 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
120 buf );
121 if (!tag)
122 tag = gtk_text_buffer_create_tag( text_buffer, buf,
123 "foreground-gdk", colFg, NULL );
124 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
125 }
126
127 if (attr.HasBackgroundColour())
128 {
129 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXBACKCOLOR", start, end);
130
131 const GdkColor *colBg = attr.GetBackgroundColour().GetColor();
132 g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
133 colBg->red, colBg->green, colBg->blue);
134 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
135 buf );
136 if (!tag)
137 tag = gtk_text_buffer_create_tag( text_buffer, buf,
138 "background-gdk", colBg, NULL );
139 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
140 }
141
142 if (attr.HasAlignment())
143 {
144 GtkTextIter para_start, para_end = *end;
145 gtk_text_buffer_get_iter_at_line( text_buffer,
146 &para_start,
147 gtk_text_iter_get_line(start) );
148 gtk_text_iter_forward_line(&para_end);
149
150 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXALIGNMENT", start, end);
151
152 GtkJustification align;
153 switch (attr.GetAlignment())
154 {
155 default:
156 align = GTK_JUSTIFY_LEFT;
157 break;
158 case wxTEXT_ALIGNMENT_RIGHT:
159 align = GTK_JUSTIFY_RIGHT;
160 break;
161 case wxTEXT_ALIGNMENT_CENTER:
162 align = GTK_JUSTIFY_CENTER;
163 break;
164// gtk+ doesn't support justify before gtk+-2.11.0 with pango-1.17 being available
165// (but if new enough pango isn't available it's a mere gtk warning)
166#if GTK_CHECK_VERSION(2,11,0)
167 case wxTEXT_ALIGNMENT_JUSTIFIED:
168 if (!gtk_check_version(2,11,0))
169 align = GTK_JUSTIFY_FILL;
170 else
171 align = GTK_JUSTIFY_LEFT;
172 break;
173#endif
174 }
175
176 g_snprintf(buf, sizeof(buf), "WXALIGNMENT %d", align);
177 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
178 buf );
179 if (!tag)
180 tag = gtk_text_buffer_create_tag( text_buffer, buf,
181 "justification", align, NULL );
182 gtk_text_buffer_apply_tag( text_buffer, tag, &para_start, &para_end );
183 }
184
185 if (attr.HasLeftIndent())
186 {
187 // Indentation attribute
188
189 // Clear old indentation tags
190 GtkTextIter para_start, para_end = *end;
191 gtk_text_buffer_get_iter_at_line( text_buffer,
192 &para_start,
193 gtk_text_iter_get_line(start) );
194 gtk_text_iter_forward_line(&para_end);
195
196 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXINDENT", start, end);
197
198 // Convert indent from 1/10th of a mm into pixels
199 float factor;
200#if GTK_CHECK_VERSION(2,2,0)
201 if (!gtk_check_version(2,2,0))
202 factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
203 gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
204 else
205#endif
206 factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
207
208 const int indent = (int)(factor * attr.GetLeftIndent());
209 const int subIndent = (int)(factor * attr.GetLeftSubIndent());
210
211 gint gindent;
212 gint gsubindent;
213
214 if (subIndent >= 0)
215 {
216 gindent = indent;
217 gsubindent = -subIndent;
218 }
219 else
220 {
221 gindent = -subIndent;
222 gsubindent = indent;
223 }
224
225 g_snprintf(buf, sizeof(buf), "WXINDENT %d %d", gindent, gsubindent);
226 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
227 buf );
228 if (!tag)
229 tag = gtk_text_buffer_create_tag( text_buffer, buf,
230 "left-margin", gindent, "indent", gsubindent, NULL );
231 gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
232 }
233
234 if (attr.HasTabs())
235 {
236 // Set tab stops
237
238 // Clear old tabs
239 GtkTextIter para_start, para_end = *end;
240 gtk_text_buffer_get_iter_at_line( text_buffer,
241 &para_start,
242 gtk_text_iter_get_line(start) );
243 gtk_text_iter_forward_line(&para_end);
244
245 wxGtkTextRemoveTagsWithPrefix(text_buffer, "WXTABS", start, end);
246
247 const wxArrayInt& tabs = attr.GetTabs();
248
249 wxString tagname = _T("WXTABS");
250 g_snprintf(buf, sizeof(buf), "WXTABS");
251 for (size_t i = 0; i < tabs.GetCount(); i++)
252 tagname += wxString::Format(_T(" %d"), tabs[i]);
253
254 const wxWX2MBbuf buftag = tagname.utf8_str();
255
256 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
257 buftag );
258 if (!tag)
259 {
260 // Factor to convert from 1/10th of a mm into pixels
261 float factor;
262#if GTK_CHECK_VERSION(2,2,0)
263 if (!gtk_check_version(2,2,0))
264 factor = (float)gdk_screen_get_width(gtk_widget_get_screen(text)) /
265 gdk_screen_get_width_mm(gtk_widget_get_screen(text)) / 10;
266 else
267#endif
268 factor = (float)gdk_screen_width() / gdk_screen_width_mm() / 10;
269
270 PangoTabArray* tabArray = pango_tab_array_new(tabs.GetCount(), TRUE);
271 for (size_t i = 0; i < tabs.GetCount(); i++)
272 pango_tab_array_set_tab(tabArray, i, PANGO_TAB_LEFT, (gint)(tabs[i] * factor));
273 tag = gtk_text_buffer_create_tag( text_buffer, buftag,
274 "tabs", tabArray, NULL );
275 pango_tab_array_free(tabArray);
276 }
277 gtk_text_buffer_apply_tag (text_buffer, tag, &para_start, &para_end);
278 }
279}
280
281static void wxGtkTextInsert(GtkWidget *text,
282 GtkTextBuffer *text_buffer,
283 const wxTextAttr& attr,
284 const wxCharBuffer& buffer)
285
286{
287 gint start_offset;
288 GtkTextIter iter, start;
289
290 gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
291 gtk_text_buffer_get_insert (text_buffer) );
292 start_offset = gtk_text_iter_get_offset (&iter);
293 gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
294
295 gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
296
297 wxGtkTextApplyTagsFromAttr(text, text_buffer, attr, &start, &iter);
298}
299
300// Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
301
302extern "C" {
303static void
304au_apply_tag_callback(GtkTextBuffer *buffer,
305 GtkTextTag *tag,
306 GtkTextIter *start,
307 GtkTextIter *end,
308 gpointer textctrl)
309{
310 if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
311 g_signal_stop_emission_by_name (buffer, "apply_tag");
312}
313}
314
315//-----------------------------------------------------------------------------
316// GtkTextCharPredicates for gtk_text_iter_*_find_char
317//-----------------------------------------------------------------------------
318
319extern "C" {
320static gboolean
321pred_whitespace (gunichar ch, gpointer user_data)
322{
323 return g_unichar_isspace(ch);
324}
325}
326
327extern "C" {
328static gboolean
329pred_non_whitespace (gunichar ch, gpointer user_data)
330{
331 return !g_unichar_isspace(ch);
332}
333}
334
335extern "C" {
336static gboolean
337pred_nonpunct (gunichar ch, gpointer user_data)
338{
339 return !g_unichar_ispunct(ch);
340}
341}
342
343extern "C" {
344static gboolean
345pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
346{
347 return !g_unichar_ispunct(ch) || ch == '/';
348}
349}
350
351//-----------------------------------------------------------------------------
352// Check for links between s and e and correct tags as necessary
353//-----------------------------------------------------------------------------
354
355// This function should be made match better while being efficient at one point.
356// Most probably with a row of regular expressions.
357extern "C" {
358static void
359au_check_word( GtkTextIter *s, GtkTextIter *e )
360{
361 static const char *URIPrefixes[] =
362 {
363 "http://",
364 "ftp://",
365 "www.",
366 "ftp.",
367 "mailto://",
368 "https://",
369 "file://",
370 "nntp://",
371 "news://",
372 "telnet://",
373 "mms://",
374 "gopher://",
375 "prospero://",
376 "wais://",
377 };
378
379 GtkTextIter start = *s, end = *e;
380 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
381
382 // Get our special link tag
383 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
384
385 // Get rid of punctuation from beginning and end.
386 // Might want to move this to au_check_range if an improved link checking doesn't
387 // use some intelligent punctuation checking itself (beware of undesired iter modifications).
388 if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
389 gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
390
391 gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
392 gtk_text_iter_forward_char(&end);
393
394 wxGtkString text(gtk_text_iter_get_text( &start, &end ));
395 size_t len = strlen(text), prefix_len;
396 size_t n;
397
398 for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
399 {
400 prefix_len = strlen(URIPrefixes[n]);
401 if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
402 break;
403 }
404
405 if(n < WXSIZEOF(URIPrefixes))
406 {
407 gulong signal_id = g_signal_handler_find (buffer,
408 (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
409 0, 0, NULL,
410 (gpointer)au_apply_tag_callback, NULL);
411
412 g_signal_handler_block (buffer, signal_id);
413 gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
414 g_signal_handler_unblock (buffer, signal_id);
415 }
416}
417}
418
419extern "C" {
420static void
421au_check_range(GtkTextIter *s,
422 GtkTextIter *range_end)
423{
424 GtkTextIter range_start = *s;
425 GtkTextIter word_end;
426 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
427 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
428
429 gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
430
431 if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
432 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
433
434 while(!gtk_text_iter_equal(&range_start, range_end))
435 {
436 word_end = range_start;
437 gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
438
439 // Now we should have a word delimited by range_start and word_end, correct link tags
440 au_check_word(&range_start, &word_end);
441
442 range_start = word_end;
443 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
444 }
445}
446}
447
448//-----------------------------------------------------------------------------
449// "insert-text" for GtkTextBuffer
450//-----------------------------------------------------------------------------
451
452extern "C" {
453static void
454au_insert_text_callback(GtkTextBuffer *buffer,
455 GtkTextIter *end,
456 gchar *text,
457 gint len,
458 wxTextCtrl *win)
459{
460 if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
461 return;
462
463 GtkTextIter start = *end;
464 gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
465
466 GtkTextIter line_start = start;
467 GtkTextIter line_end = *end;
468 GtkTextIter words_start = start;
469 GtkTextIter words_end = *end;
470
471 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
472 gtk_text_iter_forward_to_line_end(&line_end);
473 gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
474 gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
475
476 au_check_range(&words_start, &words_end);
477}
478}
479
480//-----------------------------------------------------------------------------
481// "delete-range" for GtkTextBuffer
482//-----------------------------------------------------------------------------
483
484extern "C" {
485static void
486au_delete_range_callback(GtkTextBuffer *buffer,
487 GtkTextIter *start,
488 GtkTextIter *end,
489 wxTextCtrl *win)
490{
491 if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
492 return;
493
494 GtkTextIter line_start = *start, line_end = *end;
495
496 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
497 gtk_text_iter_forward_to_line_end(&line_end);
498 gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
499 gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
500
501 au_check_range(start, end);
502}
503}
504
505
506//-----------------------------------------------------------------------------
507// "changed"
508//-----------------------------------------------------------------------------
509
510extern "C" {
511static void
512gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
513{
514 if ( win->IgnoreTextUpdate() )
515 return;
516
517 if (!win->m_hasVMT) return;
518
519 if ( win->MarkDirtyOnChange() )
520 win->MarkDirty();
521
522 win->SendTextUpdatedEvent();
523}
524}
525
526//-----------------------------------------------------------------------------
527// clipboard events: "copy-clipboard", "cut-clipboard", "paste-clipboard"
528//-----------------------------------------------------------------------------
529
530// common part of the event handlers below
531static void
532handle_text_clipboard_callback( GtkWidget *widget, wxTextCtrl *win,
533 wxEventType eventType, const gchar * signal_name)
534{
535 wxClipboardTextEvent event( eventType, win->GetId() );
536 event.SetEventObject( win );
537 if ( win->GetEventHandler()->ProcessEvent( event ) )
538 {
539 // don't let the default processing to take place if we did something
540 // ourselves in the event handler
541 g_signal_stop_emission_by_name (widget, signal_name);
542 }
543}
544
545extern "C" {
546static void
547gtk_copy_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
548{
549 handle_text_clipboard_callback(
550 widget, win, wxEVT_COMMAND_TEXT_COPY, "copy-clipboard" );
551}
552
553static void
554gtk_cut_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
555{
556 handle_text_clipboard_callback(
557 widget, win, wxEVT_COMMAND_TEXT_CUT, "cut-clipboard" );
558}
559
560static void
561gtk_paste_clipboard_callback( GtkWidget *widget, wxTextCtrl *win )
562{
563 handle_text_clipboard_callback(
564 widget, win, wxEVT_COMMAND_TEXT_PASTE, "paste-clipboard" );
565}
566}
567
568//-----------------------------------------------------------------------------
569// "expose_event" from scrolled window and textview
570//-----------------------------------------------------------------------------
571
572extern "C" {
573static gboolean
574gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
575{
576 return TRUE;
577}
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_freezeCount = 0;
624 m_showPositionOnThaw = NULL;
625 m_gdkHandCursor = NULL;
626 m_gdkXTermCursor = NULL;
627}
628
629wxTextCtrl::~wxTextCtrl()
630{
631 if(m_gdkHandCursor)
632 gdk_cursor_unref(m_gdkHandCursor);
633 if(m_gdkXTermCursor)
634 gdk_cursor_unref(m_gdkXTermCursor);
635}
636
637wxTextCtrl::wxTextCtrl( wxWindow *parent,
638 wxWindowID id,
639 const wxString &value,
640 const wxPoint &pos,
641 const wxSize &size,
642 long style,
643 const wxValidator& validator,
644 const wxString &name )
645{
646 Init();
647
648 Create( parent, id, value, pos, size, style, validator, name );
649}
650
651bool wxTextCtrl::Create( wxWindow *parent,
652 wxWindowID id,
653 const wxString &value,
654 const wxPoint &pos,
655 const wxSize &size,
656 long style,
657 const wxValidator& validator,
658 const wxString &name )
659{
660 if (!PreCreation( parent, pos, size ) ||
661 !CreateBase( parent, id, pos, size, style, validator, name ))
662 {
663 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
664 return false;
665 }
666
667 bool multi_line = (style & wxTE_MULTILINE) != 0;
668
669 if (multi_line)
670 {
671 // Create view
672 m_text = gtk_text_view_new();
673
674 m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
675
676 // create "ShowPosition" marker
677 GtkTextIter iter;
678 gtk_text_buffer_get_start_iter(m_buffer, &iter);
679 gtk_text_buffer_create_mark(m_buffer, "ShowPosition", &iter, true);
680
681 // create scrolled window
682 m_widget = gtk_scrolled_window_new( NULL, NULL );
683 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
684 GTK_POLICY_AUTOMATIC,
685 style & wxTE_NO_VSCROLL
686 ? GTK_POLICY_NEVER
687 : GTK_POLICY_AUTOMATIC );
688 // for ScrollLines/Pages
689 m_scrollBar[1] = (GtkRange*)((GtkScrolledWindow*)m_widget)->vscrollbar;
690
691 // Insert view into scrolled window
692 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
693
694 GTKSetWrapMode();
695
696 GtkScrolledWindowSetBorder(m_widget, style);
697
698 gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
699
700 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
701 }
702 else
703 {
704 // a single-line text control: no need for scrollbars
705 m_widget =
706 m_text = gtk_entry_new();
707
708 if (style & wxNO_BORDER)
709 g_object_set (m_text, "has-frame", FALSE, NULL);
710 }
711
712 m_parent->DoAddChild( this );
713
714 m_focusWidget = m_text;
715
716 PostCreation(size);
717
718 if (multi_line)
719 {
720 gtk_widget_show(m_text);
721 }
722
723 // We want to be notified about text changes.
724 if (multi_line)
725 {
726 g_signal_connect (m_buffer, "changed",
727 G_CALLBACK (gtk_text_changed_callback), this);
728 }
729 else
730 {
731 g_signal_connect (m_text, "changed",
732 G_CALLBACK (gtk_text_changed_callback), this);
733 }
734
735 if (!value.empty())
736 {
737 SetValue( value );
738 }
739
740 if (style & wxTE_PASSWORD)
741 GTKSetVisibility();
742
743 if (style & wxTE_READONLY)
744 GTKSetEditable();
745
746 // left justification (alignment) is the default anyhow
747 if ( style & (wxTE_RIGHT | wxTE_CENTRE) )
748 GTKSetJustification();
749
750 if (multi_line)
751 {
752 // Handle URLs on multi-line controls with wxTE_AUTO_URL style
753 if (style & wxTE_AUTO_URL)
754 {
755 GtkTextIter start, end;
756 m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
757 m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
758
759 // We create our wxUrl tag here for slight efficiency gain - we
760 // don't have to check for the tag existance in callbacks,
761 // hereby it's guaranteed to exist.
762 gtk_text_buffer_create_tag(m_buffer, "wxUrl",
763 "foreground", "blue",
764 "underline", PANGO_UNDERLINE_SINGLE,
765 NULL);
766
767 // Check for URLs after each text change
768 g_signal_connect_after (m_buffer, "insert_text",
769 G_CALLBACK (au_insert_text_callback), this);
770 g_signal_connect_after (m_buffer, "delete_range",
771 G_CALLBACK (au_delete_range_callback), this);
772
773 // Block all wxUrl tag applying unless we do it ourselves, in which case we
774 // block this callback temporarily. This takes care of gtk+ internal
775 // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
776 // which is undesired because only a part of the URL might be copied.
777 // The insert-text signal emitted inside it will take care of newly formed
778 // or wholly copied URLs.
779 g_signal_connect (m_buffer, "apply_tag",
780 G_CALLBACK (au_apply_tag_callback), NULL);
781
782 // Check for URLs in the initial string passed to Create
783 gtk_text_buffer_get_start_iter(m_buffer, &start);
784 gtk_text_buffer_get_end_iter(m_buffer, &end);
785 au_check_range(&start, &end);
786 }
787 }
788
789 g_signal_connect (m_text, "copy-clipboard",
790 G_CALLBACK (gtk_copy_clipboard_callback), this);
791 g_signal_connect (m_text, "cut-clipboard",
792 G_CALLBACK (gtk_cut_clipboard_callback), this);
793 g_signal_connect (m_text, "paste-clipboard",
794 G_CALLBACK (gtk_paste_clipboard_callback), this);
795
796 m_cursor = wxCursor( wxCURSOR_IBEAM );
797
798 return true;
799}
800
801GtkEditable *wxTextCtrl::GetEditable() const
802{
803 wxCHECK_MSG( IsSingleLine(), NULL, "shouldn't be called for multiline" );
804
805 return GTK_EDITABLE(m_text);
806}
807
808// ----------------------------------------------------------------------------
809// flags handling
810// ----------------------------------------------------------------------------
811
812void wxTextCtrl::GTKSetEditable()
813{
814 gboolean editable = !HasFlag(wxTE_READONLY);
815 if ( IsSingleLine() )
816 gtk_editable_set_editable(GTK_EDITABLE(m_text), editable);
817 else
818 gtk_text_view_set_editable(GTK_TEXT_VIEW(m_text), editable);
819}
820
821void wxTextCtrl::GTKSetVisibility()
822{
823 // VZ: shouldn't we assert if wxTE_PASSWORD is set for multiline control?
824 if ( IsSingleLine() )
825 gtk_entry_set_visibility(GTK_ENTRY(m_text), !HasFlag(wxTE_PASSWORD));
826}
827
828void wxTextCtrl::GTKSetWrapMode()
829{
830 // no wrapping in single line controls
831 if ( !IsMultiLine() )
832 return;
833
834 // translate wx wrapping style to GTK+
835 GtkWrapMode wrap;
836 if ( HasFlag( wxTE_DONTWRAP ) )
837 wrap = GTK_WRAP_NONE;
838 else if ( HasFlag( wxTE_CHARWRAP ) )
839 wrap = GTK_WRAP_CHAR;
840 else if ( HasFlag( wxTE_WORDWRAP ) )
841 wrap = GTK_WRAP_WORD;
842 else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
843 {
844 // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
845#ifdef __WXGTK24__
846 if ( !gtk_check_version(2,4,0) )
847 {
848 wrap = GTK_WRAP_WORD_CHAR;
849 }
850 else
851#endif // __WXGTK24__
852 wrap = GTK_WRAP_WORD;
853 }
854
855 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
856}
857
858void wxTextCtrl::GTKSetJustification()
859{
860 if ( IsMultiLine() )
861 {
862 GtkJustification just;
863 if ( HasFlag(wxTE_RIGHT) )
864 just = GTK_JUSTIFY_RIGHT;
865 else if ( HasFlag(wxTE_CENTRE) )
866 just = GTK_JUSTIFY_CENTER;
867 else // wxTE_LEFT == 0
868 just = GTK_JUSTIFY_LEFT;
869
870 gtk_text_view_set_justification(GTK_TEXT_VIEW(m_text), just);
871 }
872 else // single line
873 {
874#ifdef __WXGTK24__
875 // gtk_entry_set_alignment was introduced in gtk+-2.3.5
876 if (!gtk_check_version(2,4,0))
877 {
878 gfloat align;
879 if ( HasFlag(wxTE_RIGHT) )
880 align = 1.0;
881 else if ( HasFlag(wxTE_CENTRE) )
882 align = 0.5;
883 else // single line
884 align = 0.0;
885
886 gtk_entry_set_alignment(GTK_ENTRY(m_text), align);
887 }
888#endif // __WXGTK24__
889 }
890
891}
892
893void wxTextCtrl::SetWindowStyleFlag(long style)
894{
895 long styleOld = GetWindowStyleFlag();
896
897 wxTextCtrlBase::SetWindowStyleFlag(style);
898
899 if ( (style & wxTE_READONLY) != (styleOld & wxTE_READONLY) )
900 GTKSetEditable();
901
902 if ( (style & wxTE_PASSWORD) != (styleOld & wxTE_PASSWORD) )
903 GTKSetVisibility();
904
905 static const long flagsWrap = wxTE_WORDWRAP | wxTE_CHARWRAP | wxTE_DONTWRAP;
906 if ( (style & flagsWrap) != (styleOld & flagsWrap) )
907 GTKSetWrapMode();
908
909 static const long flagsAlign = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
910 if ( (style & flagsAlign) != (styleOld & flagsAlign) )
911 GTKSetJustification();
912}
913
914// ----------------------------------------------------------------------------
915// control value
916// ----------------------------------------------------------------------------
917
918wxString wxTextCtrl::GetValue() const
919{
920 wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
921
922 if ( IsMultiLine() )
923 {
924 GtkTextIter start;
925 gtk_text_buffer_get_start_iter( m_buffer, &start );
926 GtkTextIter end;
927 gtk_text_buffer_get_end_iter( m_buffer, &end );
928 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &start, &end, true));
929
930 return wxGTK_CONV_BACK(text);
931 }
932 else // single line
933 {
934 return wxTextEntry::GetValue();
935 }
936}
937
938wxFontEncoding wxTextCtrl::GetTextEncoding() const
939{
940 // GTK+ uses UTF-8 internally, we need to convert to it but from which
941 // encoding?
942
943 // first check the default text style (we intentionally don't check the
944 // style for the current position as it doesn't make sense for SetValue())
945 const wxTextAttr& style = GetDefaultStyle();
946 wxFontEncoding enc = style.HasFont() ? style.GetFont().GetEncoding()
947 : wxFONTENCODING_SYSTEM;
948
949 // fall back to the controls font if no style
950 if ( enc == wxFONTENCODING_SYSTEM && m_hasFont )
951 enc = GetFont().GetEncoding();
952
953 return enc;
954}
955
956bool wxTextCtrl::IsEmpty() const
957{
958 if ( IsMultiLine() )
959 return gtk_text_buffer_get_char_count(m_buffer) == 0;
960
961 return wxTextEntry::IsEmpty();
962}
963
964void wxTextCtrl::DoSetValue( const wxString &value, int flags )
965{
966 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
967
968 m_modified = false;
969
970 if ( !IsMultiLine() )
971 {
972 wxTextEntry::DoSetValue(value, flags);
973 return;
974 }
975
976 wxFontEncoding enc = m_defaultStyle.HasFont()
977 ? m_defaultStyle.GetFont().GetEncoding()
978 : wxFONTENCODING_SYSTEM;
979 if ( enc == wxFONTENCODING_SYSTEM )
980 enc = GetTextEncoding();
981
982 const wxCharBuffer buffer(wxGTK_CONV_ENC(value, enc));
983 if ( !buffer )
984 {
985 // see comment in WriteText() as to why we must warn the user about
986 // this
987 wxLogWarning(_("Failed to set text in the text control."));
988 return;
989 }
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 // check if we have a specific style for the current position
1029 wxFontEncoding enc = wxFONTENCODING_SYSTEM;
1030 wxTextAttr style;
1031 if ( GetStyle(GetInsertionPoint(), style) && style.HasFont() )
1032 {
1033 enc = style.GetFont().GetEncoding();
1034 }
1035
1036 if ( enc == wxFONTENCODING_SYSTEM )
1037 enc = GetTextEncoding();
1038
1039 const wxCharBuffer buffer(wxGTK_CONV_ENC(text, enc));
1040 if ( !buffer )
1041 {
1042 // we must log an error here as losing the text like this can be a
1043 // serious problem (e.g. imagine the document edited by user being
1044 // empty instead of containing the correct text)
1045 wxLogWarning(_("Failed to insert text in the control."));
1046 return;
1047 }
1048
1049 // First remove the selection if there is one
1050 // TODO: Is there an easier GTK specific way to do this?
1051 long from, to;
1052 GetSelection(&from, &to);
1053 if (from != to)
1054 Remove(from, to);
1055
1056 // Insert the text
1057 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
1058
1059 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
1060 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
1061 // won't work when frozen, text view is not using m_buffer then
1062 if (!IsFrozen() && wxIsSameDouble(adj->value, adj->upper - adj->page_size))
1063 {
1064 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1065 gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1066 }
1067}
1068
1069wxString wxTextCtrl::GetLineText( long lineNo ) const
1070{
1071 wxString result;
1072 if ( IsMultiLine() )
1073 {
1074 GtkTextIter line;
1075 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1076
1077 GtkTextIter end = line;
1078 // avoid skipping to the next line end if this one is empty
1079 if ( !gtk_text_iter_ends_line(&line) )
1080 gtk_text_iter_forward_to_line_end(&end);
1081
1082 wxGtkString text(gtk_text_buffer_get_text(m_buffer, &line, &end, true));
1083 result = wxGTK_CONV_BACK(text);
1084 }
1085 else
1086 {
1087 if (lineNo == 0)
1088 result = GetValue();
1089 }
1090 return result;
1091}
1092
1093void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1094{
1095 /* If you implement this, don't forget to update the documentation!
1096 * (file docs/latex/wx/text.tex) */
1097 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1098}
1099
1100bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1101{
1102 if ( IsMultiLine() )
1103 {
1104 GtkTextIter iter;
1105
1106 if (pos > GetLastPosition())
1107 return false;
1108
1109 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1110
1111 if ( y )
1112 *y = gtk_text_iter_get_line(&iter);
1113 if ( x )
1114 *x = gtk_text_iter_get_line_offset(&iter);
1115 }
1116 else // single line control
1117 {
1118 if ( pos <= GTK_ENTRY(m_text)->text_length )
1119 {
1120 if ( y )
1121 *y = 0;
1122 if ( x )
1123 *x = pos;
1124 }
1125 else
1126 {
1127 // index out of bounds
1128 return false;
1129 }
1130 }
1131
1132 return true;
1133}
1134
1135long wxTextCtrl::XYToPosition(long x, long y ) const
1136{
1137 if ( IsSingleLine() )
1138 return 0;
1139
1140 GtkTextIter iter;
1141 if (y >= gtk_text_buffer_get_line_count (m_buffer))
1142 return -1;
1143
1144 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, y);
1145 if (x >= gtk_text_iter_get_chars_in_line (&iter))
1146 return -1;
1147
1148 return gtk_text_iter_get_offset(&iter) + x;
1149}
1150
1151int wxTextCtrl::GetLineLength(long lineNo) const
1152{
1153 if ( IsMultiLine() )
1154 {
1155 int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1156 if (lineNo > last_line)
1157 return -1;
1158
1159 GtkTextIter iter;
1160 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1161 // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1162 return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1163 }
1164 else
1165 {
1166 wxString str = GetLineText (lineNo);
1167 return (int) str.length();
1168 }
1169}
1170
1171int wxTextCtrl::GetNumberOfLines() const
1172{
1173 if ( IsMultiLine() )
1174 {
1175 return gtk_text_buffer_get_line_count( m_buffer );
1176 }
1177 else // single line
1178 {
1179 return 1;
1180 }
1181}
1182
1183void wxTextCtrl::SetInsertionPoint( long pos )
1184{
1185 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1186
1187 if ( IsMultiLine() )
1188 {
1189 GtkTextIter iter;
1190 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1191 gtk_text_buffer_place_cursor( m_buffer, &iter );
1192 GtkTextMark* mark = gtk_text_buffer_get_insert(m_buffer);
1193 if (IsFrozen())
1194 // defer until Thaw, text view is not using m_buffer now
1195 m_showPositionOnThaw = mark;
1196 else
1197 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1198 }
1199 else // single line
1200 {
1201 wxTextEntry::SetInsertionPoint(pos);
1202 }
1203}
1204
1205void wxTextCtrl::SetEditable( bool editable )
1206{
1207 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1208
1209 if ( IsMultiLine() )
1210 {
1211 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1212 }
1213 else // single line
1214 {
1215 wxTextEntry::SetEditable(editable);
1216 }
1217}
1218
1219bool wxTextCtrl::Enable( bool enable )
1220{
1221 if (!wxWindowBase::Enable(enable))
1222 {
1223 // nothing to do
1224 return false;
1225 }
1226
1227 gtk_widget_set_sensitive( m_text, enable );
1228
1229 return true;
1230}
1231
1232// wxGTK-specific: called recursively by Enable,
1233// to give widgets an opportunity to correct their colours after they
1234// have been changed by Enable
1235void wxTextCtrl::OnEnabled( bool enable )
1236{
1237 // If we have a custom background colour, we use this colour in both
1238 // disabled and enabled mode, or we end up with a different colour under the
1239 // text.
1240 wxColour oldColour = GetBackgroundColour();
1241 if (oldColour.Ok())
1242 {
1243 // Need to set twice or it'll optimize the useful stuff out
1244 if (oldColour == * wxWHITE)
1245 SetBackgroundColour(*wxBLACK);
1246 else
1247 SetBackgroundColour(*wxWHITE);
1248 SetBackgroundColour(oldColour);
1249 }
1250}
1251
1252void wxTextCtrl::MarkDirty()
1253{
1254 m_modified = true;
1255}
1256
1257void wxTextCtrl::DiscardEdits()
1258{
1259 m_modified = false;
1260}
1261
1262// ----------------------------------------------------------------------------
1263// event handling
1264// ----------------------------------------------------------------------------
1265
1266void wxTextCtrl::EnableTextChangedEvents(bool enable)
1267{
1268 if ( enable )
1269 {
1270 g_signal_handlers_unblock_by_func(GetTextObject(),
1271 (gpointer)gtk_text_changed_callback, this);
1272 }
1273 else // disable events
1274 {
1275 g_signal_handlers_block_by_func(GetTextObject(),
1276 (gpointer)gtk_text_changed_callback, this);
1277 }
1278}
1279
1280bool wxTextCtrl::IgnoreTextUpdate()
1281{
1282 if ( m_countUpdatesToIgnore > 0 )
1283 {
1284 m_countUpdatesToIgnore--;
1285
1286 return true;
1287 }
1288
1289 return false;
1290}
1291
1292bool wxTextCtrl::MarkDirtyOnChange()
1293{
1294 if ( m_dontMarkDirty )
1295 {
1296 m_dontMarkDirty = false;
1297
1298 return false;
1299 }
1300
1301 return true;
1302}
1303
1304void wxTextCtrl::SetSelection( long from, long to )
1305{
1306 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1307
1308 if (from == -1 && to == -1)
1309 {
1310 from = 0;
1311 to = GetValue().length();
1312 }
1313
1314 if ( IsMultiLine() )
1315 {
1316 GtkTextIter fromi, toi;
1317 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1318 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1319
1320 gtk_text_buffer_place_cursor( m_buffer, &toi );
1321 gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1322 }
1323 else // single line
1324 {
1325 wxTextEntry::SetSelection(from, to);
1326 }
1327}
1328
1329void wxTextCtrl::ShowPosition( long pos )
1330{
1331 if (IsMultiLine())
1332 {
1333 GtkTextIter iter;
1334 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, int(pos));
1335 GtkTextMark* mark = gtk_text_buffer_get_mark(m_buffer, "ShowPosition");
1336 gtk_text_buffer_move_mark(m_buffer, mark, &iter);
1337 if (IsFrozen())
1338 // defer until Thaw, text view is not using m_buffer now
1339 m_showPositionOnThaw = mark;
1340 else
1341 gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(m_text), mark);
1342 }
1343}
1344
1345wxTextCtrlHitTestResult
1346wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1347{
1348 if ( !IsMultiLine() )
1349 {
1350 // not supported
1351 return wxTE_HT_UNKNOWN;
1352 }
1353
1354 int x, y;
1355 gtk_text_view_window_to_buffer_coords
1356 (
1357 GTK_TEXT_VIEW(m_text),
1358 GTK_TEXT_WINDOW_TEXT,
1359 pt.x, pt.y,
1360 &x, &y
1361 );
1362
1363 GtkTextIter iter;
1364 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1365 if ( pos )
1366 *pos = gtk_text_iter_get_offset(&iter);
1367
1368 return wxTE_HT_ON_TEXT;
1369}
1370
1371long wxTextCtrl::GetInsertionPoint() const
1372{
1373 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1374
1375 if ( IsMultiLine() )
1376 {
1377 // There is no direct accessor for the cursor, but
1378 // internally, the cursor is the "mark" called
1379 // "insert" in the text view's btree structure.
1380
1381 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1382 GtkTextIter cursor;
1383 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1384
1385 return gtk_text_iter_get_offset( &cursor );
1386 }
1387 else
1388 {
1389 return wxTextEntry::GetInsertionPoint();
1390 }
1391}
1392
1393wxTextPos wxTextCtrl::GetLastPosition() const
1394{
1395 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1396
1397 int pos = 0;
1398
1399 if ( IsMultiLine() )
1400 {
1401 GtkTextIter end;
1402 gtk_text_buffer_get_end_iter( m_buffer, &end );
1403
1404 pos = gtk_text_iter_get_offset( &end );
1405 }
1406 else // single line
1407 {
1408 pos = wxTextEntry::GetLastPosition();
1409 }
1410
1411 return (long)pos;
1412}
1413
1414void wxTextCtrl::Remove( long from, long to )
1415{
1416 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1417
1418 if ( IsMultiLine() )
1419 {
1420 GtkTextIter fromi, toi;
1421 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1422 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1423
1424 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1425 }
1426 else // single line
1427 {
1428 wxTextEntry::Remove(from, to);
1429 }
1430}
1431
1432void wxTextCtrl::Cut()
1433{
1434 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1435
1436 if ( IsMultiLine() )
1437 g_signal_emit_by_name (m_text, "cut-clipboard");
1438 else
1439 wxTextEntry::Cut();
1440}
1441
1442void wxTextCtrl::Copy()
1443{
1444 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1445
1446 if ( IsMultiLine() )
1447 g_signal_emit_by_name (m_text, "copy-clipboard");
1448 else
1449 wxTextEntry::Copy();
1450}
1451
1452void wxTextCtrl::Paste()
1453{
1454 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1455
1456 if ( IsMultiLine() )
1457 g_signal_emit_by_name (m_text, "paste-clipboard");
1458 else
1459 wxTextEntry::Paste();
1460}
1461
1462// If the return values from and to are the same, there is no
1463// selection.
1464void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1465{
1466 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1467
1468 if ( !IsMultiLine() )
1469 {
1470 wxTextEntry::GetSelection(fromOut, toOut);
1471 return;
1472 }
1473
1474 gint from, to;
1475
1476 GtkTextIter ifrom, ito;
1477 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1478 {
1479 from = gtk_text_iter_get_offset(&ifrom);
1480 to = gtk_text_iter_get_offset(&ito);
1481
1482 if ( from > to )
1483 {
1484 // exchange them to be compatible with wxMSW
1485 gint tmp = from;
1486 from = to;
1487 to = tmp;
1488 }
1489 }
1490 else // no selection
1491 {
1492 from =
1493 to = GetInsertionPoint();
1494 }
1495
1496 if ( fromOut )
1497 *fromOut = from;
1498 if ( toOut )
1499 *toOut = to;
1500}
1501
1502
1503bool wxTextCtrl::IsEditable() const
1504{
1505 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1506
1507 if ( IsMultiLine() )
1508 {
1509 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1510 }
1511 else
1512 {
1513 return wxTextEntry::IsEditable();
1514 }
1515}
1516
1517bool wxTextCtrl::IsModified() const
1518{
1519 return m_modified;
1520}
1521
1522void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1523{
1524 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1525
1526 if ( key_event.GetKeyCode() == WXK_RETURN )
1527 {
1528 if ( HasFlag(wxTE_PROCESS_ENTER) )
1529 {
1530 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1531 event.SetEventObject(this);
1532 event.SetString(GetValue());
1533 if ( GetEventHandler()->ProcessEvent(event) )
1534 return;
1535 }
1536
1537 // FIXME: this is not the right place to do it, wxDialog::OnCharHook()
1538 // probably is
1539 if ( IsSingleLine() )
1540 {
1541 // This will invoke the dialog default action, such
1542 // as the clicking the default button.
1543
1544 wxWindow *top_frame = m_parent;
1545 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1546 top_frame = top_frame->GetParent();
1547
1548 if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1549 {
1550 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1551
1552 if (window->default_widget)
1553 {
1554 gtk_widget_activate (window->default_widget);
1555 return;
1556 }
1557 }
1558 }
1559 }
1560
1561 key_event.Skip();
1562}
1563
1564GtkWidget* wxTextCtrl::GetConnectWidget()
1565{
1566 return GTK_WIDGET(m_text);
1567}
1568
1569GdkWindow *wxTextCtrl::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
1570{
1571 if ( IsMultiLine() )
1572 {
1573 return gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1574 GTK_TEXT_WINDOW_TEXT );
1575 }
1576 else
1577 {
1578 return GTK_ENTRY(m_text)->text_area;
1579 }
1580}
1581
1582// the font will change for subsequent text insertiongs
1583bool wxTextCtrl::SetFont( const wxFont &font )
1584{
1585 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1586
1587 if ( !wxTextCtrlBase::SetFont(font) )
1588 {
1589 // font didn't change, nothing to do
1590 return false;
1591 }
1592
1593 if ( IsMultiLine() )
1594 {
1595 SetUpdateFont(true);
1596
1597 m_defaultStyle.SetFont(font);
1598
1599 ChangeFontGlobally();
1600 }
1601
1602 return true;
1603}
1604
1605void wxTextCtrl::ChangeFontGlobally()
1606{
1607 // this method is very inefficient and hence should be called as rarely as
1608 // possible!
1609 //
1610 // TODO: it can be implemented much more efficiently for GTK2
1611 wxASSERT_MSG( IsMultiLine(),
1612 _T("shouldn't be called for single line controls") );
1613
1614 wxString value = GetValue();
1615 if ( !value.empty() )
1616 {
1617 SetUpdateFont(false);
1618
1619 Clear();
1620 AppendText(value);
1621 }
1622}
1623
1624bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1625{
1626 if ( !wxControl::SetForegroundColour(colour) )
1627 return false;
1628
1629 // update default fg colour too
1630 m_defaultStyle.SetTextColour(colour);
1631
1632 return true;
1633}
1634
1635bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1636{
1637 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1638
1639 if ( !wxControl::SetBackgroundColour( colour ) )
1640 return false;
1641
1642 if (!m_backgroundColour.Ok())
1643 return false;
1644
1645 // change active background color too
1646 m_defaultStyle.SetBackgroundColour( colour );
1647
1648 return true;
1649}
1650
1651bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1652{
1653 if ( IsMultiLine() )
1654 {
1655 if ( style.IsDefault() )
1656 {
1657 // nothing to do
1658 return true;
1659 }
1660
1661 gint l = gtk_text_buffer_get_char_count( m_buffer );
1662
1663 wxCHECK_MSG( start >= 0 && end <= l, false,
1664 _T("invalid range in wxTextCtrl::SetStyle") );
1665
1666 GtkTextIter starti, endi;
1667 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1668 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1669
1670 wxGtkTextApplyTagsFromAttr( m_widget, m_buffer, style, &starti, &endi );
1671
1672 return true;
1673 }
1674 //else: single line text controls don't support styles
1675
1676 return false;
1677}
1678
1679void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1680{
1681 gtk_widget_modify_style(m_text, style);
1682}
1683
1684void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1685{
1686 Cut();
1687}
1688
1689void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1690{
1691 Copy();
1692}
1693
1694void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1695{
1696 Paste();
1697}
1698
1699void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1700{
1701 Undo();
1702}
1703
1704void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1705{
1706 Redo();
1707}
1708
1709void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1710{
1711 event.Enable( CanCut() );
1712}
1713
1714void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1715{
1716 event.Enable( CanCopy() );
1717}
1718
1719void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1720{
1721 event.Enable( CanPaste() );
1722}
1723
1724void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1725{
1726 event.Enable( CanUndo() );
1727}
1728
1729void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1730{
1731 event.Enable( CanRedo() );
1732}
1733
1734wxSize wxTextCtrl::DoGetBestSize() const
1735{
1736 // FIXME should be different for multi-line controls...
1737 wxSize ret( wxControl::DoGetBestSize() );
1738 wxSize best(80, ret.y);
1739 CacheBestSize(best);
1740 return best;
1741}
1742
1743// ----------------------------------------------------------------------------
1744// freeze/thaw
1745// ----------------------------------------------------------------------------
1746
1747void wxTextCtrl::Freeze()
1748{
1749 wxCHECK_RET(m_text != NULL, wxT("invalid text ctrl"));
1750
1751 if ( HasFlag(wxTE_MULTILINE) )
1752 {
1753 if (m_freezeCount++ == 0)
1754 {
1755 // freeze textview updates and remove buffer
1756 g_signal_connect (m_text, "expose_event",
1757 G_CALLBACK (gtk_text_exposed_callback), this);
1758 g_signal_connect (m_widget, "expose_event",
1759 G_CALLBACK (gtk_text_exposed_callback), this);
1760 gtk_widget_set_sensitive(m_widget, false);
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}
1776
1777void wxTextCtrl::Thaw()
1778{
1779 if ( HasFlag(wxTE_MULTILINE) )
1780 {
1781 wxCHECK_RET(m_freezeCount != 0, _T("Thaw() without matching Freeze()"));
1782
1783 if (--m_freezeCount == 0)
1784 {
1785 // Reattach buffer and thaw textview updates
1786 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1787 g_object_unref(m_buffer);
1788 gtk_widget_set_sensitive(m_widget, true);
1789 g_signal_handlers_disconnect_by_func (m_widget,
1790 (gpointer) gtk_text_exposed_callback, this);
1791 g_signal_handlers_disconnect_by_func (m_text,
1792 (gpointer) gtk_text_exposed_callback, this);
1793 if (m_showPositionOnThaw != NULL)
1794 {
1795 gtk_text_view_scroll_mark_onscreen(
1796 GTK_TEXT_VIEW(m_text), m_showPositionOnThaw);
1797 m_showPositionOnThaw = NULL;
1798 }
1799 }
1800 }
1801}
1802
1803// ----------------------------------------------------------------------------
1804// wxTextUrlEvent passing if style & wxTE_AUTO_URL
1805// ----------------------------------------------------------------------------
1806
1807// FIXME: when dragging on a link the sample gets an "Unknown event".
1808// This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
1809// a buggy sample, or something else
1810void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
1811{
1812 event.Skip();
1813 if( !HasFlag(wxTE_AUTO_URL) )
1814 return;
1815
1816 gint x, y;
1817 GtkTextIter start, end;
1818 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
1819 "wxUrl");
1820
1821 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
1822 event.GetX(), event.GetY(), &x, &y);
1823
1824 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
1825 if (!gtk_text_iter_has_tag(&end, tag))
1826 {
1827 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1828 GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
1829 return;
1830 }
1831
1832 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
1833 GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
1834
1835 start = end;
1836 if(!gtk_text_iter_begins_tag(&start, tag))
1837 gtk_text_iter_backward_to_tag_toggle(&start, tag);
1838 if(!gtk_text_iter_ends_tag(&end, tag))
1839 gtk_text_iter_forward_to_tag_toggle(&end, tag);
1840
1841 // Native context menu is probably not desired on an URL.
1842 // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
1843 if(event.GetEventType() == wxEVT_RIGHT_DOWN)
1844 event.Skip(false);
1845
1846 wxTextUrlEvent url_event(m_windowId, event,
1847 gtk_text_iter_get_offset(&start),
1848 gtk_text_iter_get_offset(&end));
1849
1850 InitCommandEvent(url_event);
1851 // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
1852 //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
1853 GetEventHandler()->ProcessEvent(url_event);
1854}
1855
1856bool wxTextCtrl::GTKProcessEvent(wxEvent& event) const
1857{
1858 bool rc = wxTextCtrlBase::GTKProcessEvent(event);
1859
1860 // GtkTextView starts a drag operation when left mouse button is pressed
1861 // and ends it when it is released and if it doesn't get the release event
1862 // the next click on a control results in an assertion failure inside
1863 // gtk_text_view_start_selection_drag() which simply *kills* the program
1864 // without anything we can do about it, so always let GTK+ have this event
1865 return rc && (IsSingleLine() || event.GetEventType() != wxEVT_LEFT_UP);
1866}
1867
1868// static
1869wxVisualAttributes
1870wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1871{
1872 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
1873}
1874
1875#endif // wxUSE_TEXTCTRL
wxWidgets (Impactor)