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[wxWidgets.git] / src / gtk1 / textctrl.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: textctrl.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
11 #pragma implementation "textctrl.h"
12 #endif
13
14 // For compilers that support precompilation, includes "wx.h".
15 #include "wx/wxprec.h"
16
17 #include "wx/textctrl.h"
18 #include "wx/utils.h"
19 #include "wx/intl.h"
20 #include "wx/log.h"
21 #include "wx/settings.h"
22 #include "wx/panel.h"
23 #include "wx/strconv.h"
24 #include "wx/fontutil.h" // for wxNativeFontInfo (GetNativeFontInfo())
25
26 #include <sys/types.h>
27 #include <sys/stat.h>
28 #include <ctype.h>
29 #include "wx/math.h"
30
31 #include "wx/gtk/private.h"
32 #include <gdk/gdkkeysyms.h>
33
34 //-----------------------------------------------------------------------------
35 // idle system
36 //-----------------------------------------------------------------------------
37
38 extern void wxapp_install_idle_handler();
39 extern bool g_isIdle;
40
41 //-----------------------------------------------------------------------------
42 // data
43 //-----------------------------------------------------------------------------
44
45 extern bool g_blockEventsOnDrag;
46 extern wxCursor g_globalCursor;
47 extern wxWindowGTK *g_delayedFocus;
48
49 // ----------------------------------------------------------------------------
50 // helpers
51 // ----------------------------------------------------------------------------
52
53 #ifdef __WXGTK20__
54 static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
55 const wxTextAttr& attr,
56 GtkTextIter *start,
57 GtkTextIter *end)
58 {
59 static gchar buf[1024];
60 GtkTextTag *tag;
61
62 if (attr.HasFont())
63 {
64 char *font_string;
65 PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
66 font_string = pango_font_description_to_string(font_description);
67 g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string);
68 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
69 buf );
70 if (!tag)
71 tag = gtk_text_buffer_create_tag( text_buffer, buf,
72 "font-desc", font_description,
73 NULL );
74 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
75 g_free (font_string);
76 }
77
78 if (attr.HasTextColour())
79 {
80 GdkColor *colFg = attr.GetTextColour().GetColor();
81 g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
82 colFg->red, colFg->green, colFg->blue);
83 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
84 buf );
85 if (!tag)
86 tag = gtk_text_buffer_create_tag( text_buffer, buf,
87 "foreground-gdk", colFg, NULL );
88 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
89 }
90
91 if (attr.HasBackgroundColour())
92 {
93 GdkColor *colBg = attr.GetBackgroundColour().GetColor();
94 g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
95 colBg->red, colBg->green, colBg->blue);
96 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
97 buf );
98 if (!tag)
99 tag = gtk_text_buffer_create_tag( text_buffer, buf,
100 "background-gdk", colBg, NULL );
101 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
102 }
103 }
104
105 static void wxGtkTextInsert(GtkWidget *text,
106 GtkTextBuffer *text_buffer,
107 const wxTextAttr& attr,
108 wxCharBuffer buffer)
109
110 {
111 gint start_offset;
112 GtkTextIter iter, start;
113
114 gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
115 gtk_text_buffer_get_insert (text_buffer) );
116 start_offset = gtk_text_iter_get_offset (&iter);
117 gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
118
119 gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
120
121 wxGtkTextApplyTagsFromAttr(text_buffer, attr, &start, &iter);
122 }
123 #else
124 static void wxGtkTextInsert(GtkWidget *text,
125 const wxTextAttr& attr,
126 const char *txt,
127 size_t len)
128 {
129 GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont()
130 : NULL;
131
132 GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
133 : NULL;
134
135 GdkColor *colBg = attr.HasBackgroundColour()
136 ? attr.GetBackgroundColour().GetColor()
137 : NULL;
138
139 gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len );
140 }
141 #endif // GTK 1.x
142
143 // ----------------------------------------------------------------------------
144 // "insert_text" for GtkEntry
145 // ----------------------------------------------------------------------------
146
147 extern "C" {
148 static void
149 gtk_insert_text_callback(GtkEditable *editable,
150 const gchar *new_text,
151 gint new_text_length,
152 gint *position,
153 wxTextCtrl *win)
154 {
155 if (g_isIdle)
156 wxapp_install_idle_handler();
157
158 // we should only be called if we have a max len limit at all
159 GtkEntry *entry = GTK_ENTRY (editable);
160
161 wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
162
163 // check that we don't overflow the max length limit
164 //
165 // FIXME: this doesn't work when we paste a string which is going to be
166 // truncated
167 if ( entry->text_length == entry->text_max_length )
168 {
169 // we don't need to run the base class version at all
170 gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text");
171
172 // remember that the next changed signal is to be ignored to avoid
173 // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
174 win->IgnoreNextTextUpdate();
175
176 // and generate the correct one ourselves
177 wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
178 event.SetEventObject(win);
179 event.SetString(win->GetValue());
180 win->GetEventHandler()->ProcessEvent( event );
181 }
182 }
183 }
184
185 #ifdef __WXGTK20__
186 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
187
188 extern "C" {
189 static void
190 au_apply_tag_callback(GtkTextBuffer *buffer,
191 GtkTextTag *tag,
192 GtkTextIter *start,
193 GtkTextIter *end,
194 gpointer textctrl)
195 {
196 if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
197 g_signal_stop_emission_by_name(buffer, "apply_tag");
198 }
199 }
200
201 //-----------------------------------------------------------------------------
202 // GtkTextCharPredicates for gtk_text_iter_*_find_char
203 //-----------------------------------------------------------------------------
204
205 extern "C" {
206 static gboolean
207 pred_whitespace (gunichar ch, gpointer user_data)
208 {
209 return g_unichar_isspace(ch);
210 }
211 }
212
213 extern "C" {
214 static gboolean
215 pred_non_whitespace (gunichar ch, gpointer user_data)
216 {
217 return !g_unichar_isspace(ch);
218 }
219 }
220
221 extern "C" {
222 static gboolean
223 pred_nonpunct (gunichar ch, gpointer user_data)
224 {
225 return !g_unichar_ispunct(ch);
226 }
227 }
228
229 extern "C" {
230 static gboolean
231 pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
232 {
233 return !g_unichar_ispunct(ch) || ch == '/';
234 }
235 }
236
237 //-----------------------------------------------------------------------------
238 // Check for links between s and e and correct tags as necessary
239 //-----------------------------------------------------------------------------
240
241 // This function should be made match better while being efficient at one point.
242 // Most probably with a row of regular expressions.
243 extern "C" {
244 static void
245 au_check_word( GtkTextIter *s, GtkTextIter *e )
246 {
247 static const char *URIPrefixes[] =
248 {
249 "http://",
250 "ftp://",
251 "www.",
252 "ftp.",
253 "mailto://",
254 "https://",
255 "file://",
256 "nntp://",
257 "news://",
258 "telnet://",
259 "mms://",
260 "gopher://",
261 "prospero://",
262 "wais://",
263 };
264
265 GtkTextIter start = *s, end = *e;
266 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
267
268 // Get our special link tag
269 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
270
271 // Get rid of punctuation from beginning and end.
272 // Might want to move this to au_check_range if an improved link checking doesn't
273 // use some intelligent punctuation checking itself (beware of undesired iter modifications).
274 if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
275 gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
276
277 gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
278 gtk_text_iter_forward_char(&end);
279
280 gchar* text = gtk_text_iter_get_text( &start, &end );
281 size_t len = strlen(text), prefix_len;
282 size_t n;
283
284 for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
285 {
286 prefix_len = strlen(URIPrefixes[n]);
287 if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
288 break;
289 }
290
291 if(n < WXSIZEOF(URIPrefixes))
292 {
293 gulong signal_id = g_signal_handler_find(buffer,
294 (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
295 0, 0, NULL,
296 (gpointer)au_apply_tag_callback, NULL);
297
298 g_signal_handler_block(buffer, signal_id);
299 gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
300 g_signal_handler_unblock(buffer, signal_id);
301 }
302 }
303 }
304
305 extern "C" {
306 static void
307 au_check_range(GtkTextIter *s,
308 GtkTextIter *range_end)
309 {
310 GtkTextIter range_start = *s;
311 GtkTextIter word_end;
312 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
313 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
314
315 gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
316
317 if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
318 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
319
320 while(!gtk_text_iter_equal(&range_start, range_end))
321 {
322 word_end = range_start;
323 gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
324
325 // Now we should have a word delimited by range_start and word_end, correct link tags
326 au_check_word(&range_start, &word_end);
327
328 range_start = word_end;
329 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
330 }
331 }
332 }
333
334 //-----------------------------------------------------------------------------
335 // "insert-text" for GtkTextBuffer
336 //-----------------------------------------------------------------------------
337
338 extern "C" {
339 static void
340 au_insert_text_callback(GtkTextBuffer *buffer,
341 GtkTextIter *end,
342 gchar *text,
343 gint len,
344 wxTextCtrl *win)
345 {
346 if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
347 return;
348
349 GtkTextIter start = *end;
350 gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
351
352 GtkTextIter line_start = start;
353 GtkTextIter line_end = *end;
354 GtkTextIter words_start = start;
355 GtkTextIter words_end = *end;
356
357 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
358 gtk_text_iter_forward_to_line_end(&line_end);
359 gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
360 gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
361
362 au_check_range(&words_start, &words_end);
363 }
364 }
365
366 //-----------------------------------------------------------------------------
367 // "delete-range" for GtkTextBuffer
368 //-----------------------------------------------------------------------------
369
370 extern "C" {
371 static void
372 au_delete_range_callback(GtkTextBuffer *buffer,
373 GtkTextIter *start,
374 GtkTextIter *end,
375 wxTextCtrl *win)
376 {
377 if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
378 return;
379
380 GtkTextIter line_start = *start, line_end = *end;
381
382 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
383 gtk_text_iter_forward_to_line_end(&line_end);
384 gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
385 gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
386
387 au_check_range(start, end);
388 }
389 }
390
391
392 #endif
393
394 //-----------------------------------------------------------------------------
395 // "changed"
396 //-----------------------------------------------------------------------------
397
398 extern "C" {
399 static void
400 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
401 {
402 if ( win->IgnoreTextUpdate() )
403 return;
404
405 if (!win->m_hasVMT) return;
406
407 if (g_isIdle)
408 wxapp_install_idle_handler();
409
410 win->SetModified();
411 #ifndef __WXGTK20__
412 win->UpdateFontIfNeeded();
413 #endif // !__WXGTK20__
414
415 wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
416 event.SetEventObject( win );
417 win->GetEventHandler()->ProcessEvent( event );
418 }
419 }
420
421 //-----------------------------------------------------------------------------
422 // "expose_event" from scrolled window and textview
423 //-----------------------------------------------------------------------------
424
425 #ifdef __WXGTK20__
426 extern "C" {
427 static gboolean
428 gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
429 {
430 return TRUE;
431 }
432 }
433 #endif
434
435 //-----------------------------------------------------------------------------
436 // "changed" from vertical scrollbar
437 //-----------------------------------------------------------------------------
438
439 #ifndef __WXGTK20__
440 extern "C" {
441 static void
442 gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
443 {
444 if (!win->m_hasVMT) return;
445
446 if (g_isIdle)
447 wxapp_install_idle_handler();
448
449 win->CalculateScrollbar();
450 }
451 }
452 #endif
453
454 // ----------------------------------------------------------------------------
455 // redraw callback for multiline text
456 // ----------------------------------------------------------------------------
457
458 #ifndef __WXGTK20__
459
460 // redrawing a GtkText from inside a wxYield() call results in crashes (the
461 // text sample shows it in its "Add lines" command which shows wxProgressDialog
462 // which implicitly calls wxYield()) so we override GtkText::draw() and simply
463 // don't do anything if we're inside wxYield()
464
465 extern bool wxIsInsideYield;
466
467 extern "C" {
468 typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect);
469 }
470
471 static GtkDrawCallback gs_gtk_text_draw = NULL;
472
473 extern "C" {
474 static void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect)
475 {
476 if ( !wxIsInsideYield )
477 {
478 wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw,
479 _T("infinite recursion in wxgtk_text_draw aborted") );
480
481 gs_gtk_text_draw(widget, rect);
482 }
483 }
484 }
485
486 #endif // __WXGTK20__
487
488 //-----------------------------------------------------------------------------
489 // wxTextCtrl
490 //-----------------------------------------------------------------------------
491
492 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
493
494 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
495 EVT_CHAR(wxTextCtrl::OnChar)
496
497 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
498 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
499 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
500 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
501 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
502
503 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
504 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
505 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
506 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
507 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
508
509 #ifdef __WXGTK20__
510 // wxTE_AUTO_URL wxTextUrl support. Currently only creates
511 // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
512 EVT_MOTION (wxTextCtrl::OnUrlMouseEvent)
513 EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent)
514 EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent)
515 EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
516 EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent)
517 EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent)
518 EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
519 #endif
520 END_EVENT_TABLE()
521
522 void wxTextCtrl::Init()
523 {
524 m_ignoreNextUpdate =
525 m_modified = false;
526 SetUpdateFont(false);
527 m_text =
528 m_vScrollbar = (GtkWidget *)NULL;
529 #ifdef __WXGTK20__
530 m_frozenness = 0;
531 m_gdkHandCursor = NULL;
532 m_gdkXTermCursor = NULL;
533 #endif
534 }
535
536 wxTextCtrl::~wxTextCtrl()
537 {
538 #ifdef __WXGTK20__
539 if(m_gdkHandCursor)
540 gdk_cursor_unref(m_gdkHandCursor);
541 if(m_gdkXTermCursor)
542 gdk_cursor_unref(m_gdkXTermCursor);
543 #endif
544 }
545
546 wxTextCtrl::wxTextCtrl( wxWindow *parent,
547 wxWindowID id,
548 const wxString &value,
549 const wxPoint &pos,
550 const wxSize &size,
551 long style,
552 const wxValidator& validator,
553 const wxString &name )
554 {
555 Init();
556
557 Create( parent, id, value, pos, size, style, validator, name );
558 }
559
560 bool wxTextCtrl::Create( wxWindow *parent,
561 wxWindowID id,
562 const wxString &value,
563 const wxPoint &pos,
564 const wxSize &size,
565 long style,
566 const wxValidator& validator,
567 const wxString &name )
568 {
569 m_needParent = true;
570 m_acceptsFocus = true;
571
572 if (!PreCreation( parent, pos, size ) ||
573 !CreateBase( parent, id, pos, size, style, validator, name ))
574 {
575 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
576 return false;
577 }
578
579
580 m_vScrollbarVisible = false;
581
582 bool multi_line = (style & wxTE_MULTILINE) != 0;
583
584 if (multi_line)
585 {
586 #ifdef __WXGTK20__
587 // Create view
588 m_text = gtk_text_view_new();
589
590 m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
591
592 // create scrolled window
593 m_widget = gtk_scrolled_window_new( NULL, NULL );
594 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
595 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
596
597 // Insert view into scrolled window
598 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
599
600 // translate wx wrapping style to GTK+
601 GtkWrapMode wrap;
602 if ( HasFlag( wxTE_DONTWRAP ) )
603 wrap = GTK_WRAP_NONE;
604 else if ( HasFlag( wxTE_CHARWRAP ) )
605 wrap = GTK_WRAP_CHAR;
606 else if ( HasFlag( wxTE_WORDWRAP ) )
607 wrap = GTK_WRAP_WORD;
608 else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
609 {
610 // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
611 #ifdef __WXGTK24__
612 wrap = GTK_WRAP_WORD_CHAR;
613 #else
614 wrap = GTK_WRAP_WORD;
615 #endif
616 }
617
618 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
619
620 if (!HasFlag(wxNO_BORDER))
621 gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
622
623 gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
624
625 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
626 #else // GTK+ 1
627 // create our control ...
628 m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
629
630 // ... and put into the upper left hand corner of the table
631 bool bHasHScrollbar = false;
632 m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
633 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
634 gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
635 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
636 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
637 0, 0);
638
639 // always wrap words
640 gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
641
642 // finally, put the vertical scrollbar in the upper right corner
643 m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
644 GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
645 gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
646 GTK_FILL,
647 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
648 0, 0);
649 #endif // GTK+ 2/1
650 }
651 else
652 {
653 // a single-line text control: no need for scrollbars
654 m_widget =
655 m_text = gtk_entry_new();
656
657 #ifdef __WXGTK20__
658 if (style & wxNO_BORDER)
659 g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL );
660 #endif
661 }
662
663 m_parent->DoAddChild( this );
664
665 m_focusWidget = m_text;
666
667 PostCreation(size);
668
669 if (multi_line)
670 gtk_widget_show(m_text);
671
672 #ifndef __WXGTK20__
673 if (multi_line)
674 {
675 gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
676 (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
677
678 // only initialize gs_gtk_text_draw once, starting from the next the
679 // klass::draw will already be wxgtk_text_draw
680 if ( !gs_gtk_text_draw )
681 {
682 GtkDrawCallback&
683 draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw;
684
685 gs_gtk_text_draw = draw;
686
687 draw = wxgtk_text_draw;
688 }
689 }
690 #endif // GTK+ 1.x
691
692 if (!value.empty())
693 {
694 #ifdef __WXGTK20__
695 SetValue( value );
696 #else
697
698 #if !GTK_CHECK_VERSION(1, 2, 0)
699 // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
700 // gtk_editable_insert_text()
701 gtk_widget_realize(m_text);
702 #endif // GTK 1.0
703
704 gint tmp = 0;
705 #if wxUSE_UNICODE
706 wxWX2MBbuf val = value.mbc_str();
707 gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
708 #else
709 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
710 #endif
711
712 if (multi_line)
713 {
714 // Bring editable's cursor uptodate. Bug in GTK.
715 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
716 }
717
718 #endif
719 }
720
721 if (style & wxTE_PASSWORD)
722 {
723 if (!multi_line)
724 gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
725 }
726
727 if (style & wxTE_READONLY)
728 {
729 if (!multi_line)
730 gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
731 #ifdef __WXGTK20__
732 else
733 gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
734 #else
735 }
736 else
737 {
738 if (multi_line)
739 gtk_text_set_editable( GTK_TEXT(m_text), 1 );
740 #endif
741 }
742
743 #ifdef __WXGTK20__
744 if (multi_line)
745 {
746 if (style & wxTE_RIGHT)
747 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT );
748 else if (style & wxTE_CENTRE)
749 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER );
750 // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT
751 }
752 else
753 {
754 #ifdef __WXGTK24__
755 // gtk_entry_set_alignment was introduced in gtk+-2.3.5
756 if (!gtk_check_version(2,4,0))
757 {
758 if (style & wxTE_RIGHT)
759 gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 );
760 else if (style & wxTE_CENTRE)
761 gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 );
762 }
763 #endif
764 }
765 #endif // __WXGTK20__
766
767 // We want to be notified about text changes.
768 #ifdef __WXGTK20__
769 if (multi_line)
770 {
771 g_signal_connect( G_OBJECT(m_buffer), "changed",
772 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
773
774 // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
775 if (style & wxTE_AUTO_URL)
776 {
777 GtkTextIter start, end;
778 m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
779 m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
780
781 // We create our wxUrl tag here for slight efficiency gain - we
782 // don't have to check for the tag existance in callbacks,
783 // hereby it's guaranteed to exist.
784 gtk_text_buffer_create_tag(m_buffer, "wxUrl",
785 "foreground", "blue",
786 "underline", PANGO_UNDERLINE_SINGLE,
787 NULL);
788
789 // Check for URLs after each text change
790 g_signal_connect_after( G_OBJECT(m_buffer), "insert_text",
791 GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this);
792 g_signal_connect_after( G_OBJECT(m_buffer), "delete_range",
793 GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)this);
794
795 // Block all wxUrl tag applying unless we do it ourselves, in which case we
796 // block this callback temporarily. This takes care of gtk+ internal
797 // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
798 // which is undesired because only a part of the URL might be copied.
799 // The insert-text signal emitted inside it will take care of newly formed
800 // or wholly copied URLs.
801 g_signal_connect( G_OBJECT(m_buffer), "apply_tag",
802 GTK_SIGNAL_FUNC(au_apply_tag_callback), NULL);
803
804 // Check for URLs in the initial string passed to Create
805 gtk_text_buffer_get_start_iter(m_buffer, &start);
806 gtk_text_buffer_get_end_iter(m_buffer, &end);
807 au_check_range(&start, &end);
808 }
809 }
810 else
811 #endif
812
813 {
814 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
815 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
816 }
817
818 m_cursor = wxCursor( wxCURSOR_IBEAM );
819
820 wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
821 SetDefaultStyle( attrDef );
822
823 return true;
824 }
825
826
827 void wxTextCtrl::CalculateScrollbar()
828 {
829 #ifndef __WXGTK20__
830 if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
831
832 GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
833
834 if (adj->upper - adj->page_size < 0.8)
835 {
836 if (m_vScrollbarVisible)
837 {
838 gtk_widget_hide( m_vScrollbar );
839 m_vScrollbarVisible = false;
840 }
841 }
842 else
843 {
844 if (!m_vScrollbarVisible)
845 {
846 gtk_widget_show( m_vScrollbar );
847 m_vScrollbarVisible = true;
848 }
849 }
850 #endif
851 }
852
853 wxString wxTextCtrl::GetValue() const
854 {
855 wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") );
856
857 wxString tmp;
858 if (m_windowStyle & wxTE_MULTILINE)
859 {
860 #ifdef __WXGTK20__
861 GtkTextIter start;
862 gtk_text_buffer_get_start_iter( m_buffer, &start );
863 GtkTextIter end;
864 gtk_text_buffer_get_end_iter( m_buffer, &end );
865 gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
866
867 #if wxUSE_UNICODE
868 wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
869 #else
870 wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
871 #endif
872 if ( buffer )
873 tmp = buffer;
874
875 g_free( text );
876 #else
877 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
878 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
879 tmp = text;
880 g_free( text );
881 #endif
882 }
883 else
884 {
885 tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
886 }
887
888 return tmp;
889 }
890
891 void wxTextCtrl::SetValue( const wxString &value )
892 {
893 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
894
895 if (m_windowStyle & wxTE_MULTILINE)
896 {
897 #ifdef __WXGTK20__
898
899 #if wxUSE_UNICODE
900 wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
901 #else
902 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
903 #endif
904 if (gtk_text_buffer_get_char_count(m_buffer) != 0)
905 IgnoreNextTextUpdate();
906
907 gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
908
909 #else
910 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
911 gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
912 len = 0;
913 gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len );
914 #endif
915 }
916 else
917 {
918 gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
919 }
920
921 // GRG, Jun/2000: Changed this after a lot of discussion in
922 // the lists. wxWidgets 2.2 will have a set of flags to
923 // customize this behaviour.
924 SetInsertionPoint(0);
925
926 m_modified = false;
927 }
928
929 void wxTextCtrl::WriteText( const wxString &text )
930 {
931 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
932
933 if ( text.empty() )
934 return;
935
936 // gtk_text_changed_callback() will set m_modified to true but m_modified
937 // shouldn't be changed by the program writing to the text control itself,
938 // so save the old value and restore when we're done
939 bool oldModified = m_modified;
940
941 if ( m_windowStyle & wxTE_MULTILINE )
942 {
943 #ifdef __WXGTK20__
944
945 #if wxUSE_UNICODE
946 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
947 #else
948 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
949 #endif
950 if ( !buffer )
951 {
952 // what else can we do? at least don't crash...
953 return;
954 }
955
956 // TODO: Call whatever is needed to delete the selection.
957 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
958
959 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
960 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
961 if ( adj->value == adj->upper - adj->page_size )
962 {
963 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
964 gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
965 }
966 #else // GTK 1.x
967 // After cursor movements, gtk_text_get_point() is wrong by one.
968 gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );
969
970 // always use m_defaultStyle, even if it is empty as otherwise
971 // resetting the style and appending some more text wouldn't work: if
972 // we don't specify the style explicitly, the old style would be used
973 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
974 wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len());
975
976 // we called wxGtkTextInsert with correct font, no need to do anything
977 // in UpdateFontIfNeeded() any longer
978 if ( !text.empty() )
979 {
980 SetUpdateFont(false);
981 }
982
983 // Bring editable's cursor back uptodate.
984 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
985 #endif // GTK 1.x/2.0
986 }
987 else // single line
988 {
989 // First remove the selection if there is one
990 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
991
992 // This moves the cursor pos to behind the inserted text.
993 gint len = GET_EDITABLE_POS(m_text);
994
995 #ifdef __WXGTK20__
996
997 #if wxUSE_UNICODE
998 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
999 #else
1000 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
1001 #endif
1002 gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
1003
1004 #else
1005 gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
1006 #endif
1007
1008 // Bring entry's cursor uptodate.
1009 gtk_entry_set_position( GTK_ENTRY(m_text), len );
1010 }
1011
1012 m_modified = oldModified;
1013 }
1014
1015 void wxTextCtrl::AppendText( const wxString &text )
1016 {
1017 SetInsertionPointEnd();
1018 WriteText( text );
1019 }
1020
1021 wxString wxTextCtrl::GetLineText( long lineNo ) const
1022 {
1023 if (m_windowStyle & wxTE_MULTILINE)
1024 {
1025 #ifndef __WXGTK20__
1026 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
1027 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
1028
1029 if (text)
1030 {
1031 wxString buf(wxT(""));
1032 long i;
1033 int currentLine = 0;
1034 for (i = 0; currentLine != lineNo && text[i]; i++ )
1035 if (text[i] == '\n')
1036 currentLine++;
1037 // Now get the text
1038 int j;
1039 for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
1040 buf += text[i];
1041
1042 g_free( text );
1043 return buf;
1044 }
1045 else
1046 {
1047 return wxEmptyString;
1048 }
1049 #else
1050 GtkTextIter line;
1051 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1052 GtkTextIter end;
1053 gtk_text_buffer_get_end_iter(m_buffer,&end );
1054 gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE);
1055 wxString result(wxGTK_CONV_BACK(text));
1056 g_free(text);
1057 return result.BeforeFirst(wxT('\n'));
1058 #endif
1059 }
1060 else
1061 {
1062 if (lineNo == 0) return GetValue();
1063 return wxEmptyString;
1064 }
1065 }
1066
1067 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1068 {
1069 /* If you implement this, don't forget to update the documentation!
1070 * (file docs/latex/wx/text.tex) */
1071 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1072 }
1073
1074 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1075 {
1076 if ( m_windowStyle & wxTE_MULTILINE )
1077 {
1078 wxString text = GetValue();
1079
1080 // cast to prevent warning. But pos really should've been unsigned.
1081 if( (unsigned long)pos > text.Len() )
1082 return false;
1083
1084 *x=0; // First Col
1085 *y=0; // First Line
1086
1087 const wxChar* stop = text.c_str() + pos;
1088 for ( const wxChar *p = text.c_str(); p < stop; p++ )
1089 {
1090 if (*p == wxT('\n'))
1091 {
1092 (*y)++;
1093 *x=0;
1094 }
1095 else
1096 (*x)++;
1097 }
1098 }
1099 else // single line control
1100 {
1101 if ( pos <= GTK_ENTRY(m_text)->text_length )
1102 {
1103 *y = 0;
1104 *x = pos;
1105 }
1106 else
1107 {
1108 // index out of bounds
1109 return false;
1110 }
1111 }
1112
1113 return true;
1114 }
1115
1116 long wxTextCtrl::XYToPosition(long x, long y ) const
1117 {
1118 if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
1119
1120 long pos=0;
1121 for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
1122
1123 pos += x;
1124 return pos;
1125 }
1126
1127 int wxTextCtrl::GetLineLength(long lineNo) const
1128 {
1129 wxString str = GetLineText (lineNo);
1130 return (int) str.Length();
1131 }
1132
1133 int wxTextCtrl::GetNumberOfLines() const
1134 {
1135 if (m_windowStyle & wxTE_MULTILINE)
1136 {
1137 #ifdef __WXGTK20__
1138 return gtk_text_buffer_get_line_count( m_buffer );
1139 #else
1140 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
1141 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
1142
1143 if (text)
1144 {
1145 int currentLine = 0;
1146 for (int i = 0; i < len; i++ )
1147 {
1148 if (text[i] == '\n')
1149 currentLine++;
1150 }
1151 g_free( text );
1152
1153 // currentLine is 0 based, add 1 to get number of lines
1154 return currentLine + 1;
1155 }
1156 else
1157 {
1158 return 0;
1159 }
1160 #endif
1161 }
1162 else
1163 {
1164 return 1;
1165 }
1166 }
1167
1168 void wxTextCtrl::SetInsertionPoint( long pos )
1169 {
1170 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1171
1172 if ( IsMultiLine() )
1173 {
1174 #ifdef __WXGTK20__
1175 GtkTextIter iter;
1176 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1177 gtk_text_buffer_place_cursor( m_buffer, &iter );
1178 gtk_text_view_scroll_mark_onscreen
1179 (
1180 GTK_TEXT_VIEW(m_text),
1181 gtk_text_buffer_get_insert( m_buffer )
1182 );
1183 #else // GTK+ 1.x
1184 gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
1185 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
1186
1187 /* we fake a set_point by inserting and deleting. as the user
1188 isn't supposed to get to know about this non-sense, we
1189 disconnect so that no events are sent to the user program. */
1190
1191 gint tmp = (gint)pos;
1192 gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
1193 gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
1194
1195 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
1196 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
1197
1198 // bring editable's cursor uptodate. Bug in GTK.
1199 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
1200 #endif // GTK+ 2/1
1201 }
1202 else
1203 {
1204 gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
1205
1206 // Bring editable's cursor uptodate. Bug in GTK.
1207 SET_EDITABLE_POS(m_text, (guint32)pos);
1208 }
1209 }
1210
1211 void wxTextCtrl::SetInsertionPointEnd()
1212 {
1213 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1214
1215 if (m_windowStyle & wxTE_MULTILINE)
1216 {
1217 #ifdef __WXGTK20__
1218 GtkTextIter end;
1219 gtk_text_buffer_get_end_iter( m_buffer, &end );
1220 gtk_text_buffer_place_cursor( m_buffer, &end );
1221 #else
1222 SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
1223 #endif
1224 }
1225 else
1226 {
1227 gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
1228 }
1229 }
1230
1231 void wxTextCtrl::SetEditable( bool editable )
1232 {
1233 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1234
1235 if (m_windowStyle & wxTE_MULTILINE)
1236 {
1237 #ifdef __WXGTK20__
1238 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1239 #else
1240 gtk_text_set_editable( GTK_TEXT(m_text), editable );
1241 #endif
1242 }
1243 else
1244 {
1245 gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
1246 }
1247 }
1248
1249 bool wxTextCtrl::Enable( bool enable )
1250 {
1251 if (!wxWindowBase::Enable(enable))
1252 {
1253 // nothing to do
1254 return false;
1255 }
1256
1257 if (m_windowStyle & wxTE_MULTILINE)
1258 {
1259 #ifdef __WXGTK20__
1260 SetEditable( enable );
1261 #else
1262 gtk_text_set_editable( GTK_TEXT(m_text), enable );
1263 OnParentEnable(enable);
1264 #endif
1265 }
1266 else
1267 {
1268 gtk_widget_set_sensitive( m_text, enable );
1269 }
1270
1271 return true;
1272 }
1273
1274 // wxGTK-specific: called recursively by Enable,
1275 // to give widgets an oppprtunity to correct their colours after they
1276 // have been changed by Enable
1277 void wxTextCtrl::OnParentEnable( bool enable )
1278 {
1279 // If we have a custom background colour, we use this colour in both
1280 // disabled and enabled mode, or we end up with a different colour under the
1281 // text.
1282 wxColour oldColour = GetBackgroundColour();
1283 if (oldColour.Ok())
1284 {
1285 // Need to set twice or it'll optimize the useful stuff out
1286 if (oldColour == * wxWHITE)
1287 SetBackgroundColour(*wxBLACK);
1288 else
1289 SetBackgroundColour(*wxWHITE);
1290 SetBackgroundColour(oldColour);
1291 }
1292 }
1293
1294 void wxTextCtrl::MarkDirty()
1295 {
1296 m_modified = true;
1297 }
1298
1299 void wxTextCtrl::DiscardEdits()
1300 {
1301 m_modified = false;
1302 }
1303
1304 // ----------------------------------------------------------------------------
1305 // max text length support
1306 // ----------------------------------------------------------------------------
1307
1308 void wxTextCtrl::IgnoreNextTextUpdate()
1309 {
1310 m_ignoreNextUpdate = true;
1311 }
1312
1313 bool wxTextCtrl::IgnoreTextUpdate()
1314 {
1315 if ( m_ignoreNextUpdate )
1316 {
1317 m_ignoreNextUpdate = false;
1318
1319 return true;
1320 }
1321
1322 return false;
1323 }
1324
1325 void wxTextCtrl::SetMaxLength(unsigned long len)
1326 {
1327 if ( !HasFlag(wxTE_MULTILINE) )
1328 {
1329 gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1330
1331 // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1332 // we had tried to enter more text than allowed by max text length and
1333 // the text wasn't really changed
1334 //
1335 // to detect this and generate TEXT_MAXLEN event instead of
1336 // TEXT_CHANGED one in this case we also catch "insert_text" signal
1337 //
1338 // when max len is set to 0 we disconnect our handler as it means that
1339 // we shouldn't check anything any more
1340 if ( len )
1341 {
1342 gtk_signal_connect( GTK_OBJECT(m_text),
1343 "insert_text",
1344 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1345 (gpointer)this);
1346 }
1347 else // no checking
1348 {
1349 gtk_signal_disconnect_by_func
1350 (
1351 GTK_OBJECT(m_text),
1352 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1353 (gpointer)this
1354 );
1355 }
1356 }
1357 }
1358
1359 void wxTextCtrl::SetSelection( long from, long to )
1360 {
1361 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1362
1363 if (from == -1 && to == -1)
1364 {
1365 from = 0;
1366 to = GetValue().Length();
1367 }
1368
1369 #ifndef __WXGTK20__
1370 if ( (m_windowStyle & wxTE_MULTILINE) &&
1371 !GTK_TEXT(m_text)->line_start_cache )
1372 {
1373 // tell the programmer that it didn't work
1374 wxLogDebug(_T("Can't call SetSelection() before realizing the control"));
1375 return;
1376 }
1377 #endif
1378
1379 if (m_windowStyle & wxTE_MULTILINE)
1380 {
1381 #ifdef __WXGTK20__
1382 GtkTextIter fromi, toi;
1383 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1384 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1385
1386 gtk_text_buffer_place_cursor( m_buffer, &toi );
1387 gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1388 #else
1389 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1390 #endif
1391 }
1392 else
1393 {
1394 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1395 }
1396 }
1397
1398 void wxTextCtrl::ShowPosition( long pos )
1399 {
1400 if (m_windowStyle & wxTE_MULTILINE)
1401 {
1402 #ifdef __WXGTK20__
1403 GtkTextIter iter;
1404 gtk_text_buffer_get_start_iter( m_buffer, &iter );
1405 gtk_text_iter_set_offset( &iter, pos );
1406 GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE );
1407 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
1408 #else // GTK 1.x
1409 GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
1410 float totalLines = (float) GetNumberOfLines();
1411 long posX;
1412 long posY;
1413 PositionToXY(pos, &posX, &posY);
1414 float posLine = (float) posY;
1415 float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
1416 gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
1417 #endif // GTK 1.x/2.x
1418 }
1419 }
1420
1421 #ifdef __WXGTK20__
1422
1423 wxTextCtrlHitTestResult
1424 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1425 {
1426 if ( !IsMultiLine() )
1427 {
1428 // not supported
1429 return wxTE_HT_UNKNOWN;
1430 }
1431
1432 int x, y;
1433 gtk_text_view_window_to_buffer_coords
1434 (
1435 GTK_TEXT_VIEW(m_text),
1436 GTK_TEXT_WINDOW_TEXT,
1437 pt.x, pt.y,
1438 &x, &y
1439 );
1440
1441 GtkTextIter iter;
1442 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1443 if ( pos )
1444 *pos = gtk_text_iter_get_offset(&iter);
1445
1446 return wxTE_HT_ON_TEXT;
1447 }
1448
1449 #endif // __WXGTK20__
1450
1451 long wxTextCtrl::GetInsertionPoint() const
1452 {
1453 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1454
1455 #ifdef __WXGTK20__
1456 if (m_windowStyle & wxTE_MULTILINE)
1457 {
1458 // There is no direct accessor for the cursor, but
1459 // internally, the cursor is the "mark" called
1460 // "insert" in the text view's btree structure.
1461
1462 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1463 GtkTextIter cursor;
1464 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1465
1466 return gtk_text_iter_get_offset( &cursor );
1467 }
1468 else
1469 #endif
1470 {
1471 return (long) GET_EDITABLE_POS(m_text);
1472 }
1473 }
1474
1475 wxTextPos wxTextCtrl::GetLastPosition() const
1476 {
1477 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1478
1479 int pos = 0;
1480
1481 if (m_windowStyle & wxTE_MULTILINE)
1482 {
1483 #ifdef __WXGTK20__
1484 GtkTextIter end;
1485 gtk_text_buffer_get_end_iter( m_buffer, &end );
1486
1487 pos = gtk_text_iter_get_offset( &end );
1488 #else
1489 pos = gtk_text_get_length( GTK_TEXT(m_text) );
1490 #endif
1491 }
1492 else
1493 {
1494 pos = GTK_ENTRY(m_text)->text_length;
1495 }
1496
1497 return (long)pos;
1498 }
1499
1500 void wxTextCtrl::Remove( long from, long to )
1501 {
1502 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1503
1504 #ifdef __WXGTK20__
1505 if (m_windowStyle & wxTE_MULTILINE)
1506 {
1507 GtkTextIter fromi, toi;
1508 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1509 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1510
1511 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1512 }
1513 else // single line
1514 #endif
1515 gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1516 }
1517
1518 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1519 {
1520 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1521
1522 Remove( from, to );
1523
1524 if (!value.empty())
1525 {
1526 #ifdef __WXGTK20__
1527 SetInsertionPoint( from );
1528 WriteText( value );
1529 #else // GTK 1.x
1530 gint pos = (gint)from;
1531 #if wxUSE_UNICODE
1532 wxWX2MBbuf buf = value.mbc_str();
1533 gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
1534 #else
1535 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
1536 #endif // wxUSE_UNICODE
1537 #endif // GTK 1.x/2.x
1538 }
1539 }
1540
1541 void wxTextCtrl::Cut()
1542 {
1543 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1544
1545 #ifdef __WXGTK20__
1546 if (m_windowStyle & wxTE_MULTILINE)
1547 g_signal_emit_by_name(m_text, "cut-clipboard");
1548 else
1549 #endif
1550 gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1551 }
1552
1553 void wxTextCtrl::Copy()
1554 {
1555 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1556
1557 #ifdef __WXGTK20__
1558 if (m_windowStyle & wxTE_MULTILINE)
1559 g_signal_emit_by_name(m_text, "copy-clipboard");
1560 else
1561 #endif
1562 gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1563 }
1564
1565 void wxTextCtrl::Paste()
1566 {
1567 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1568
1569 #ifdef __WXGTK20__
1570 if (m_windowStyle & wxTE_MULTILINE)
1571 g_signal_emit_by_name(m_text, "paste-clipboard");
1572 else
1573 #endif
1574 gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1575 }
1576
1577 // Undo/redo
1578 void wxTextCtrl::Undo()
1579 {
1580 // TODO
1581 wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1582 }
1583
1584 void wxTextCtrl::Redo()
1585 {
1586 // TODO
1587 wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1588 }
1589
1590 bool wxTextCtrl::CanUndo() const
1591 {
1592 // TODO
1593 //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1594 return false;
1595 }
1596
1597 bool wxTextCtrl::CanRedo() const
1598 {
1599 // TODO
1600 //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1601 return false;
1602 }
1603
1604 // If the return values from and to are the same, there is no
1605 // selection.
1606 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1607 {
1608 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1609
1610 gint from = -1;
1611 gint to = -1;
1612 bool haveSelection = false;
1613
1614 #ifdef __WXGTK20__
1615 if (m_windowStyle & wxTE_MULTILINE)
1616 {
1617 GtkTextIter ifrom, ito;
1618 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1619 {
1620 haveSelection = true;
1621 from = gtk_text_iter_get_offset(&ifrom);
1622 to = gtk_text_iter_get_offset(&ito);
1623 }
1624 }
1625 else // not multi-line
1626 {
1627 if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1628 &from, &to) )
1629 {
1630 haveSelection = true;
1631 }
1632 }
1633 #else // not GTK2
1634 if ( (GTK_EDITABLE(m_text)->has_selection) )
1635 {
1636 haveSelection = true;
1637 from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
1638 to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
1639 }
1640 #endif
1641
1642 if (! haveSelection )
1643 from = to = GetInsertionPoint();
1644
1645 if ( from > to )
1646 {
1647 // exchange them to be compatible with wxMSW
1648 gint tmp = from;
1649 from = to;
1650 to = tmp;
1651 }
1652
1653 if ( fromOut )
1654 *fromOut = from;
1655 if ( toOut )
1656 *toOut = to;
1657 }
1658
1659
1660 bool wxTextCtrl::IsEditable() const
1661 {
1662 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1663
1664 #ifdef __WXGTK20__
1665 if (m_windowStyle & wxTE_MULTILINE)
1666 {
1667 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1668 }
1669 else
1670 {
1671 return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1672 }
1673 #else
1674 return GTK_EDITABLE(m_text)->editable;
1675 #endif
1676 }
1677
1678 bool wxTextCtrl::IsModified() const
1679 {
1680 return m_modified;
1681 }
1682
1683 void wxTextCtrl::Clear()
1684 {
1685 SetValue( wxT("") );
1686 }
1687
1688 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1689 {
1690 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1691
1692 if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
1693 {
1694 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1695 event.SetEventObject(this);
1696 event.SetString(GetValue());
1697 if (GetEventHandler()->ProcessEvent(event)) return;
1698 }
1699
1700 if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
1701 {
1702 // This will invoke the dialog default action, such
1703 // as the clicking the default button.
1704
1705 wxWindow *top_frame = m_parent;
1706 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1707 top_frame = top_frame->GetParent();
1708
1709 if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1710 {
1711 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1712
1713 if (window->default_widget)
1714 {
1715 gtk_widget_activate (window->default_widget);
1716 return;
1717 }
1718 }
1719 }
1720
1721 key_event.Skip();
1722 }
1723
1724 GtkWidget* wxTextCtrl::GetConnectWidget()
1725 {
1726 return GTK_WIDGET(m_text);
1727 }
1728
1729 bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
1730 {
1731 if (m_windowStyle & wxTE_MULTILINE)
1732 {
1733 #ifdef __WXGTK20__
1734 return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork
1735 #else
1736 return (window == GTK_TEXT(m_text)->text_area);
1737 #endif
1738 }
1739 else
1740 {
1741 return (window == GTK_ENTRY(m_text)->text_area);
1742 }
1743 }
1744
1745 // the font will change for subsequent text insertiongs
1746 bool wxTextCtrl::SetFont( const wxFont &font )
1747 {
1748 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1749
1750 if ( !wxTextCtrlBase::SetFont(font) )
1751 {
1752 // font didn't change, nothing to do
1753 return false;
1754 }
1755
1756 if ( m_windowStyle & wxTE_MULTILINE )
1757 {
1758 SetUpdateFont(true);
1759
1760 m_defaultStyle.SetFont(font);
1761
1762 ChangeFontGlobally();
1763 }
1764
1765 return true;
1766 }
1767
1768 void wxTextCtrl::ChangeFontGlobally()
1769 {
1770 // this method is very inefficient and hence should be called as rarely as
1771 // possible!
1772 //
1773 // TODO: it can be implemented much more efficiently for GTK2
1774 #ifndef __WXGTK20__
1775 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
1776
1777 _T("shouldn't be called for single line controls") );
1778 #else
1779 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE),
1780 _T("shouldn't be called for single line controls") );
1781 #endif
1782
1783 wxString value = GetValue();
1784 if ( !value.empty() )
1785 {
1786 SetUpdateFont(false);
1787
1788 Clear();
1789 AppendText(value);
1790 }
1791 }
1792
1793 #ifndef __WXGTK20__
1794
1795 void wxTextCtrl::UpdateFontIfNeeded()
1796 {
1797 if ( m_updateFont )
1798 ChangeFontGlobally();
1799 }
1800
1801 #endif // GTK+ 1.x
1802
1803 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1804 {
1805 if ( !wxControl::SetForegroundColour(colour) )
1806 return false;
1807
1808 // update default fg colour too
1809 m_defaultStyle.SetTextColour(colour);
1810
1811 return true;
1812 }
1813
1814 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1815 {
1816 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1817
1818 if ( !wxControl::SetBackgroundColour( colour ) )
1819 return false;
1820
1821 #ifndef __WXGTK20__
1822 if (!m_widget->window)
1823 return false;
1824 #endif
1825
1826 if (!m_backgroundColour.Ok())
1827 return false;
1828
1829 if (m_windowStyle & wxTE_MULTILINE)
1830 {
1831 #ifndef __WXGTK20__
1832 GdkWindow *window = GTK_TEXT(m_text)->text_area;
1833 if (!window)
1834 return false;
1835 m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
1836 gdk_window_set_background( window, m_backgroundColour.GetColor() );
1837 gdk_window_clear( window );
1838 #endif
1839 }
1840
1841 // change active background color too
1842 m_defaultStyle.SetBackgroundColour( colour );
1843
1844 return true;
1845 }
1846
1847 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1848 {
1849 if ( m_windowStyle & wxTE_MULTILINE )
1850 {
1851 if ( style.IsDefault() )
1852 {
1853 // nothing to do
1854 return true;
1855 }
1856 #ifdef __WXGTK20__
1857 gint l = gtk_text_buffer_get_char_count( m_buffer );
1858
1859 wxCHECK_MSG( start >= 0 && end <= l, false,
1860 _T("invalid range in wxTextCtrl::SetStyle") );
1861
1862 GtkTextIter starti, endi;
1863 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1864 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1865
1866 // use the attributes from style which are set in it and fall back
1867 // first to the default style and then to the text control default
1868 // colours for the others
1869 wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1870
1871 wxGtkTextApplyTagsFromAttr( m_buffer, attr, &starti, &endi );
1872
1873 return true;
1874 #else
1875 // VERY dirty way to do that - removes the required text and re-adds it
1876 // with styling (FIXME)
1877
1878 gint l = gtk_text_get_length( GTK_TEXT(m_text) );
1879
1880 wxCHECK_MSG( start >= 0 && end <= l, false,
1881 _T("invalid range in wxTextCtrl::SetStyle") );
1882
1883 gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
1884 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
1885 wxString tmp(text,*wxConvCurrent);
1886 g_free( text );
1887
1888 gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
1889 gtk_editable_set_position( GTK_EDITABLE(m_text), start );
1890
1891 #if wxUSE_UNICODE
1892 wxWX2MBbuf buf = tmp.mbc_str();
1893 const char *txt = buf;
1894 size_t txtlen = strlen(buf);
1895 #else
1896 const char *txt = tmp;
1897 size_t txtlen = tmp.length();
1898 #endif
1899
1900 // use the attributes from style which are set in it and fall back
1901 // first to the default style and then to the text control default
1902 // colours for the others
1903 wxGtkTextInsert(m_text,
1904 wxTextAttr::Combine(style, m_defaultStyle, this),
1905 txt,
1906 txtlen);
1907
1908 /* does not seem to help under GTK+ 1.2 !!!
1909 gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
1910 SetInsertionPoint( old_pos );
1911 #endif
1912 return true;
1913 }
1914 else // singe line
1915 {
1916 // cannot do this for GTK+'s Entry widget
1917 return false;
1918 }
1919 }
1920
1921 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1922 {
1923 gtk_widget_modify_style(m_text, style);
1924 }
1925
1926 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1927 {
1928 Cut();
1929 }
1930
1931 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1932 {
1933 Copy();
1934 }
1935
1936 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1937 {
1938 Paste();
1939 }
1940
1941 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1942 {
1943 Undo();
1944 }
1945
1946 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1947 {
1948 Redo();
1949 }
1950
1951 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1952 {
1953 event.Enable( CanCut() );
1954 }
1955
1956 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1957 {
1958 event.Enable( CanCopy() );
1959 }
1960
1961 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1962 {
1963 event.Enable( CanPaste() );
1964 }
1965
1966 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1967 {
1968 event.Enable( CanUndo() );
1969 }
1970
1971 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1972 {
1973 event.Enable( CanRedo() );
1974 }
1975
1976 void wxTextCtrl::OnInternalIdle()
1977 {
1978 wxCursor cursor = m_cursor;
1979 if (g_globalCursor.Ok()) cursor = g_globalCursor;
1980
1981 if (cursor.Ok())
1982 {
1983 #ifndef __WXGTK20__
1984 GdkWindow *window = (GdkWindow*) NULL;
1985 if (HasFlag(wxTE_MULTILINE))
1986 window = GTK_TEXT(m_text)->text_area;
1987 else
1988 window = GTK_ENTRY(m_text)->text_area;
1989
1990 if (window)
1991 gdk_window_set_cursor( window, cursor.GetCursor() );
1992
1993 if (!g_globalCursor.Ok())
1994 cursor = *wxSTANDARD_CURSOR;
1995
1996 window = m_widget->window;
1997 if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
1998 gdk_window_set_cursor( window, cursor.GetCursor() );
1999 #endif
2000 }
2001
2002 if (g_delayedFocus == this)
2003 {
2004 if (GTK_WIDGET_REALIZED(m_widget))
2005 {
2006 gtk_widget_grab_focus( m_widget );
2007 g_delayedFocus = NULL;
2008 }
2009 }
2010
2011 if (wxUpdateUIEvent::CanUpdate(this))
2012 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
2013 }
2014
2015 wxSize wxTextCtrl::DoGetBestSize() const
2016 {
2017 // FIXME should be different for multi-line controls...
2018 wxSize ret( wxControl::DoGetBestSize() );
2019 wxSize best(80, ret.y);
2020 CacheBestSize(best);
2021 return best;
2022 }
2023
2024 // ----------------------------------------------------------------------------
2025 // freeze/thaw
2026 // ----------------------------------------------------------------------------
2027
2028 void wxTextCtrl::Freeze()
2029 {
2030 if ( HasFlag(wxTE_MULTILINE) )
2031 {
2032 #ifdef __WXGTK20__
2033 if ( !m_frozenness++ )
2034 {
2035 // freeze textview updates and remove buffer
2036 g_signal_connect( G_OBJECT(m_text), "expose_event",
2037 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
2038 g_signal_connect( G_OBJECT(m_widget), "expose_event",
2039 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
2040 gtk_widget_set_sensitive(m_widget, false);
2041 g_object_ref(m_buffer);
2042 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL));
2043 }
2044 #else
2045 gtk_text_freeze(GTK_TEXT(m_text));
2046 #endif
2047 }
2048 }
2049
2050 void wxTextCtrl::Thaw()
2051 {
2052 if ( HasFlag(wxTE_MULTILINE) )
2053 {
2054 #ifdef __WXGTK20__
2055 wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") );
2056
2057 if ( !--m_frozenness )
2058 {
2059 // Reattach buffer and thaw textview updates
2060 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
2061 g_object_unref(m_buffer);
2062 gtk_widget_set_sensitive(m_widget, true);
2063 g_signal_handlers_disconnect_by_func(m_widget, (gpointer)gtk_text_exposed_callback, this);
2064 g_signal_handlers_disconnect_by_func(m_text, (gpointer)gtk_text_exposed_callback, this);
2065 }
2066 #else
2067 GTK_TEXT(m_text)->vadj->value = 0.0;
2068
2069 gtk_text_thaw(GTK_TEXT(m_text));
2070 #endif
2071 }
2072 }
2073
2074 // ----------------------------------------------------------------------------
2075 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
2076 // ----------------------------------------------------------------------------
2077
2078 #ifdef __WXGTK20__
2079
2080 // FIXME: when dragging on a link the sample gets an "Unknown event".
2081 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
2082 // a buggy sample, or something else
2083 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
2084 {
2085 event.Skip();
2086 if(!(m_windowStyle & wxTE_AUTO_URL))
2087 return;
2088
2089 gint x, y;
2090 GtkTextIter start, end;
2091 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
2092 "wxUrl");
2093
2094 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
2095 event.GetX(), event.GetY(), &x, &y);
2096
2097 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
2098 if (!gtk_text_iter_has_tag(&end, tag))
2099 {
2100 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
2101 GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
2102 return;
2103 }
2104
2105 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
2106 GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
2107
2108 start = end;
2109 if(!gtk_text_iter_begins_tag(&start, tag))
2110 gtk_text_iter_backward_to_tag_toggle(&start, tag);
2111 if(!gtk_text_iter_ends_tag(&end, tag))
2112 gtk_text_iter_forward_to_tag_toggle(&end, tag);
2113
2114 // Native context menu is probably not desired on an URL.
2115 // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
2116 if(event.GetEventType() == wxEVT_RIGHT_DOWN)
2117 event.Skip(false);
2118
2119 wxTextUrlEvent url_event(m_windowId, event,
2120 gtk_text_iter_get_offset(&start),
2121 gtk_text_iter_get_offset(&end));
2122
2123 InitCommandEvent(url_event);
2124 // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
2125 //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
2126 GetEventHandler()->ProcessEvent(url_event);
2127 }
2128 #endif // gtk2
2129
2130 // ----------------------------------------------------------------------------
2131 // scrolling
2132 // ----------------------------------------------------------------------------
2133
2134 GtkAdjustment *wxTextCtrl::GetVAdj() const
2135 {
2136 if ( !IsMultiLine() )
2137 return NULL;
2138
2139 #ifdef __WXGTK20__
2140 return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
2141 #else
2142 return GTK_TEXT(m_text)->vadj;
2143 #endif
2144 }
2145
2146 bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
2147 {
2148 float value = adj->value + diff;
2149
2150 if ( value < 0 )
2151 value = 0;
2152
2153 float upper = adj->upper - adj->page_size;
2154 if ( value > upper )
2155 value = upper;
2156
2157 // did we noticeably change the scroll position?
2158 if ( fabs(adj->value - value) < 0.2 )
2159 {
2160 // well, this is what Robert does in wxScrollBar, so it must be good...
2161 return false;
2162 }
2163
2164 adj->value = value;
2165
2166 #ifdef __WXGTK20__
2167 gtk_adjustment_value_changed(GTK_ADJUSTMENT(adj));
2168 #else
2169 gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
2170 #endif
2171
2172 return true;
2173 }
2174
2175 bool wxTextCtrl::ScrollLines(int lines)
2176 {
2177 GtkAdjustment *adj = GetVAdj();
2178 if ( !adj )
2179 return false;
2180
2181 #ifdef __WXGTK20__
2182 int diff = (int)ceil(lines*adj->step_increment);
2183 #else
2184 // this is hardcoded to 10 in GTK+ 1.2 (great idea)
2185 int diff = 10*lines;
2186 #endif
2187
2188 return DoScroll(adj, diff);
2189 }
2190
2191 bool wxTextCtrl::ScrollPages(int pages)
2192 {
2193 GtkAdjustment *adj = GetVAdj();
2194 if ( !adj )
2195 return false;
2196
2197 return DoScroll(adj, (int)ceil(pages*adj->page_increment));
2198 }
2199
2200
2201 // static
2202 wxVisualAttributes
2203 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
2204 {
2205 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
2206 }
wxWidgets (Impactor)