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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 if ( !gtk_check_version(2,4,0) )
613 {
614 wrap = GTK_WRAP_WORD_CHAR;
615 }
616 else
617 #endif
618 wrap = GTK_WRAP_WORD;
619 }
620
621 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
622
623 if (!HasFlag(wxNO_BORDER))
624 gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
625
626 gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
627
628 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
629 #else // GTK+ 1
630 // create our control ...
631 m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
632
633 // ... and put into the upper left hand corner of the table
634 bool bHasHScrollbar = false;
635 m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
636 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
637 gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
638 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
639 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
640 0, 0);
641
642 // always wrap words
643 gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
644
645 // finally, put the vertical scrollbar in the upper right corner
646 m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
647 GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
648 gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
649 GTK_FILL,
650 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
651 0, 0);
652 #endif // GTK+ 2/1
653 }
654 else
655 {
656 // a single-line text control: no need for scrollbars
657 m_widget =
658 m_text = gtk_entry_new();
659
660 #ifdef __WXGTK20__
661 if (style & wxNO_BORDER)
662 g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL );
663 #endif
664 }
665
666 m_parent->DoAddChild( this );
667
668 m_focusWidget = m_text;
669
670 PostCreation(size);
671
672 if (multi_line)
673 gtk_widget_show(m_text);
674
675 #ifndef __WXGTK20__
676 if (multi_line)
677 {
678 gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
679 (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
680
681 // only initialize gs_gtk_text_draw once, starting from the next the
682 // klass::draw will already be wxgtk_text_draw
683 if ( !gs_gtk_text_draw )
684 {
685 GtkDrawCallback&
686 draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw;
687
688 gs_gtk_text_draw = draw;
689
690 draw = wxgtk_text_draw;
691 }
692 }
693 #endif // GTK+ 1.x
694
695 if (!value.empty())
696 {
697 #ifdef __WXGTK20__
698 SetValue( value );
699 #else
700
701 #if !GTK_CHECK_VERSION(1, 2, 0)
702 // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
703 // gtk_editable_insert_text()
704 gtk_widget_realize(m_text);
705 #endif // GTK 1.0
706
707 gint tmp = 0;
708 #if wxUSE_UNICODE
709 wxWX2MBbuf val = value.mbc_str();
710 gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
711 #else
712 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
713 #endif
714
715 if (multi_line)
716 {
717 // Bring editable's cursor uptodate. Bug in GTK.
718 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
719 }
720
721 #endif
722 }
723
724 if (style & wxTE_PASSWORD)
725 {
726 if (!multi_line)
727 gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
728 }
729
730 if (style & wxTE_READONLY)
731 {
732 if (!multi_line)
733 gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
734 #ifdef __WXGTK20__
735 else
736 gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
737 #else
738 }
739 else
740 {
741 if (multi_line)
742 gtk_text_set_editable( GTK_TEXT(m_text), 1 );
743 #endif
744 }
745
746 #ifdef __WXGTK20__
747 if (multi_line)
748 {
749 if (style & wxTE_RIGHT)
750 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT );
751 else if (style & wxTE_CENTRE)
752 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER );
753 // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT
754 }
755 else
756 {
757 #ifdef __WXGTK24__
758 // gtk_entry_set_alignment was introduced in gtk+-2.3.5
759 if (!gtk_check_version(2,4,0))
760 {
761 if (style & wxTE_RIGHT)
762 gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 );
763 else if (style & wxTE_CENTRE)
764 gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 );
765 }
766 #endif
767 }
768 #endif // __WXGTK20__
769
770 // We want to be notified about text changes.
771 #ifdef __WXGTK20__
772 if (multi_line)
773 {
774 g_signal_connect( G_OBJECT(m_buffer), "changed",
775 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
776
777 // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
778 if (style & wxTE_AUTO_URL)
779 {
780 GtkTextIter start, end;
781 m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
782 m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
783
784 // We create our wxUrl tag here for slight efficiency gain - we
785 // don't have to check for the tag existance in callbacks,
786 // hereby it's guaranteed to exist.
787 gtk_text_buffer_create_tag(m_buffer, "wxUrl",
788 "foreground", "blue",
789 "underline", PANGO_UNDERLINE_SINGLE,
790 NULL);
791
792 // Check for URLs after each text change
793 g_signal_connect_after( G_OBJECT(m_buffer), "insert_text",
794 GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this);
795 g_signal_connect_after( G_OBJECT(m_buffer), "delete_range",
796 GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)this);
797
798 // Block all wxUrl tag applying unless we do it ourselves, in which case we
799 // block this callback temporarily. This takes care of gtk+ internal
800 // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
801 // which is undesired because only a part of the URL might be copied.
802 // The insert-text signal emitted inside it will take care of newly formed
803 // or wholly copied URLs.
804 g_signal_connect( G_OBJECT(m_buffer), "apply_tag",
805 GTK_SIGNAL_FUNC(au_apply_tag_callback), NULL);
806
807 // Check for URLs in the initial string passed to Create
808 gtk_text_buffer_get_start_iter(m_buffer, &start);
809 gtk_text_buffer_get_end_iter(m_buffer, &end);
810 au_check_range(&start, &end);
811 }
812 }
813 else
814 #endif
815
816 {
817 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
818 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
819 }
820
821 m_cursor = wxCursor( wxCURSOR_IBEAM );
822
823 wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
824 SetDefaultStyle( attrDef );
825
826 return true;
827 }
828
829
830 void wxTextCtrl::CalculateScrollbar()
831 {
832 #ifndef __WXGTK20__
833 if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
834
835 GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
836
837 if (adj->upper - adj->page_size < 0.8)
838 {
839 if (m_vScrollbarVisible)
840 {
841 gtk_widget_hide( m_vScrollbar );
842 m_vScrollbarVisible = false;
843 }
844 }
845 else
846 {
847 if (!m_vScrollbarVisible)
848 {
849 gtk_widget_show( m_vScrollbar );
850 m_vScrollbarVisible = true;
851 }
852 }
853 #endif
854 }
855
856 wxString wxTextCtrl::GetValue() const
857 {
858 wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") );
859
860 wxString tmp;
861 if (m_windowStyle & wxTE_MULTILINE)
862 {
863 #ifdef __WXGTK20__
864 GtkTextIter start;
865 gtk_text_buffer_get_start_iter( m_buffer, &start );
866 GtkTextIter end;
867 gtk_text_buffer_get_end_iter( m_buffer, &end );
868 gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
869
870 #if wxUSE_UNICODE
871 wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
872 #else
873 wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
874 #endif
875 if ( buffer )
876 tmp = buffer;
877
878 g_free( text );
879 #else
880 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
881 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
882 tmp = text;
883 g_free( text );
884 #endif
885 }
886 else
887 {
888 tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
889 }
890
891 return tmp;
892 }
893
894 void wxTextCtrl::SetValue( const wxString &value )
895 {
896 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
897
898 if (m_windowStyle & wxTE_MULTILINE)
899 {
900 #ifdef __WXGTK20__
901
902 #if wxUSE_UNICODE
903 wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
904 #else
905 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
906 #endif
907 if (gtk_text_buffer_get_char_count(m_buffer) != 0)
908 IgnoreNextTextUpdate();
909
910 if ( !buffer )
911 {
912 // what else can we do? at least don't crash...
913 return;
914 }
915
916 gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
917
918 #else
919 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
920 gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
921 len = 0;
922 gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len );
923 #endif
924 }
925 else
926 {
927 gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
928 }
929
930 // GRG, Jun/2000: Changed this after a lot of discussion in
931 // the lists. wxWidgets 2.2 will have a set of flags to
932 // customize this behaviour.
933 SetInsertionPoint(0);
934
935 m_modified = false;
936 }
937
938 void wxTextCtrl::WriteText( const wxString &text )
939 {
940 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
941
942 if ( text.empty() )
943 return;
944
945 // gtk_text_changed_callback() will set m_modified to true but m_modified
946 // shouldn't be changed by the program writing to the text control itself,
947 // so save the old value and restore when we're done
948 bool oldModified = m_modified;
949
950 if ( m_windowStyle & wxTE_MULTILINE )
951 {
952 #ifdef __WXGTK20__
953
954 #if wxUSE_UNICODE
955 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
956 #else
957 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
958 #endif
959 if ( !buffer )
960 {
961 // what else can we do? at least don't crash...
962 return;
963 }
964
965 // TODO: Call whatever is needed to delete the selection.
966 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
967
968 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
969 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
970 if ( adj->value == adj->upper - adj->page_size )
971 {
972 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
973 gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
974 }
975 #else // GTK 1.x
976 // After cursor movements, gtk_text_get_point() is wrong by one.
977 gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );
978
979 // always use m_defaultStyle, even if it is empty as otherwise
980 // resetting the style and appending some more text wouldn't work: if
981 // we don't specify the style explicitly, the old style would be used
982 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
983 wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len());
984
985 // we called wxGtkTextInsert with correct font, no need to do anything
986 // in UpdateFontIfNeeded() any longer
987 if ( !text.empty() )
988 {
989 SetUpdateFont(false);
990 }
991
992 // Bring editable's cursor back uptodate.
993 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
994 #endif // GTK 1.x/2.0
995 }
996 else // single line
997 {
998 // First remove the selection if there is one
999 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
1000
1001 // This moves the cursor pos to behind the inserted text.
1002 gint len = GET_EDITABLE_POS(m_text);
1003
1004 #ifdef __WXGTK20__
1005
1006 #if wxUSE_UNICODE
1007 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
1008 #else
1009 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
1010 #endif
1011 if ( !buffer )
1012 {
1013 // what else can we do? at least don't crash...
1014 return;
1015 }
1016
1017 gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
1018
1019 #else
1020 gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
1021 #endif
1022
1023 // Bring entry's cursor uptodate.
1024 gtk_entry_set_position( GTK_ENTRY(m_text), len );
1025 }
1026
1027 m_modified = oldModified;
1028 }
1029
1030 void wxTextCtrl::AppendText( const wxString &text )
1031 {
1032 SetInsertionPointEnd();
1033 WriteText( text );
1034 }
1035
1036 wxString wxTextCtrl::GetLineText( long lineNo ) const
1037 {
1038 if (m_windowStyle & wxTE_MULTILINE)
1039 {
1040 #ifndef __WXGTK20__
1041 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
1042 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
1043
1044 if (text)
1045 {
1046 wxString buf(wxT(""));
1047 long i;
1048 int currentLine = 0;
1049 for (i = 0; currentLine != lineNo && text[i]; i++ )
1050 if (text[i] == '\n')
1051 currentLine++;
1052 // Now get the text
1053 int j;
1054 for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
1055 buf += text[i];
1056
1057 g_free( text );
1058 return buf;
1059 }
1060 else
1061 {
1062 return wxEmptyString;
1063 }
1064 #else
1065 GtkTextIter line;
1066 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1067 GtkTextIter end;
1068 gtk_text_buffer_get_end_iter(m_buffer,&end );
1069 gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE);
1070 wxString result(wxGTK_CONV_BACK(text));
1071 g_free(text);
1072 return result.BeforeFirst(wxT('\n'));
1073 #endif
1074 }
1075 else
1076 {
1077 if (lineNo == 0) return GetValue();
1078 return wxEmptyString;
1079 }
1080 }
1081
1082 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1083 {
1084 /* If you implement this, don't forget to update the documentation!
1085 * (file docs/latex/wx/text.tex) */
1086 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1087 }
1088
1089 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1090 {
1091 if ( m_windowStyle & wxTE_MULTILINE )
1092 {
1093 wxString text = GetValue();
1094
1095 // cast to prevent warning. But pos really should've been unsigned.
1096 if( (unsigned long)pos > text.Len() )
1097 return false;
1098
1099 *x=0; // First Col
1100 *y=0; // First Line
1101
1102 const wxChar* stop = text.c_str() + pos;
1103 for ( const wxChar *p = text.c_str(); p < stop; p++ )
1104 {
1105 if (*p == wxT('\n'))
1106 {
1107 (*y)++;
1108 *x=0;
1109 }
1110 else
1111 (*x)++;
1112 }
1113 }
1114 else // single line control
1115 {
1116 if ( pos <= GTK_ENTRY(m_text)->text_length )
1117 {
1118 *y = 0;
1119 *x = pos;
1120 }
1121 else
1122 {
1123 // index out of bounds
1124 return false;
1125 }
1126 }
1127
1128 return true;
1129 }
1130
1131 long wxTextCtrl::XYToPosition(long x, long y ) const
1132 {
1133 if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
1134
1135 long pos=0;
1136 for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
1137
1138 pos += x;
1139 return pos;
1140 }
1141
1142 int wxTextCtrl::GetLineLength(long lineNo) const
1143 {
1144 wxString str = GetLineText (lineNo);
1145 return (int) str.Length();
1146 }
1147
1148 int wxTextCtrl::GetNumberOfLines() const
1149 {
1150 if (m_windowStyle & wxTE_MULTILINE)
1151 {
1152 #ifdef __WXGTK20__
1153 return gtk_text_buffer_get_line_count( m_buffer );
1154 #else
1155 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
1156 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
1157
1158 if (text)
1159 {
1160 int currentLine = 0;
1161 for (int i = 0; i < len; i++ )
1162 {
1163 if (text[i] == '\n')
1164 currentLine++;
1165 }
1166 g_free( text );
1167
1168 // currentLine is 0 based, add 1 to get number of lines
1169 return currentLine + 1;
1170 }
1171 else
1172 {
1173 return 0;
1174 }
1175 #endif
1176 }
1177 else
1178 {
1179 return 1;
1180 }
1181 }
1182
1183 void wxTextCtrl::SetInsertionPoint( long pos )
1184 {
1185 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1186
1187 if ( IsMultiLine() )
1188 {
1189 #ifdef __WXGTK20__
1190 GtkTextIter iter;
1191 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1192 gtk_text_buffer_place_cursor( m_buffer, &iter );
1193 gtk_text_view_scroll_mark_onscreen
1194 (
1195 GTK_TEXT_VIEW(m_text),
1196 gtk_text_buffer_get_insert( m_buffer )
1197 );
1198 #else // GTK+ 1.x
1199 gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
1200 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
1201
1202 /* we fake a set_point by inserting and deleting. as the user
1203 isn't supposed to get to know about this non-sense, we
1204 disconnect so that no events are sent to the user program. */
1205
1206 gint tmp = (gint)pos;
1207 gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
1208 gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
1209
1210 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
1211 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
1212
1213 // bring editable's cursor uptodate. Bug in GTK.
1214 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
1215 #endif // GTK+ 2/1
1216 }
1217 else
1218 {
1219 gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
1220
1221 // Bring editable's cursor uptodate. Bug in GTK.
1222 SET_EDITABLE_POS(m_text, (guint32)pos);
1223 }
1224 }
1225
1226 void wxTextCtrl::SetInsertionPointEnd()
1227 {
1228 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1229
1230 if (m_windowStyle & wxTE_MULTILINE)
1231 {
1232 #ifdef __WXGTK20__
1233 GtkTextIter end;
1234 gtk_text_buffer_get_end_iter( m_buffer, &end );
1235 gtk_text_buffer_place_cursor( m_buffer, &end );
1236 #else
1237 SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
1238 #endif
1239 }
1240 else
1241 {
1242 gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
1243 }
1244 }
1245
1246 void wxTextCtrl::SetEditable( bool editable )
1247 {
1248 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1249
1250 if (m_windowStyle & wxTE_MULTILINE)
1251 {
1252 #ifdef __WXGTK20__
1253 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1254 #else
1255 gtk_text_set_editable( GTK_TEXT(m_text), editable );
1256 #endif
1257 }
1258 else
1259 {
1260 gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
1261 }
1262 }
1263
1264 bool wxTextCtrl::Enable( bool enable )
1265 {
1266 if (!wxWindowBase::Enable(enable))
1267 {
1268 // nothing to do
1269 return false;
1270 }
1271
1272 if (m_windowStyle & wxTE_MULTILINE)
1273 {
1274 #ifdef __WXGTK20__
1275 SetEditable( enable );
1276 #else
1277 gtk_text_set_editable( GTK_TEXT(m_text), enable );
1278 OnParentEnable(enable);
1279 #endif
1280 }
1281 else
1282 {
1283 gtk_widget_set_sensitive( m_text, enable );
1284 }
1285
1286 return true;
1287 }
1288
1289 // wxGTK-specific: called recursively by Enable,
1290 // to give widgets an oppprtunity to correct their colours after they
1291 // have been changed by Enable
1292 void wxTextCtrl::OnParentEnable( bool enable )
1293 {
1294 // If we have a custom background colour, we use this colour in both
1295 // disabled and enabled mode, or we end up with a different colour under the
1296 // text.
1297 wxColour oldColour = GetBackgroundColour();
1298 if (oldColour.Ok())
1299 {
1300 // Need to set twice or it'll optimize the useful stuff out
1301 if (oldColour == * wxWHITE)
1302 SetBackgroundColour(*wxBLACK);
1303 else
1304 SetBackgroundColour(*wxWHITE);
1305 SetBackgroundColour(oldColour);
1306 }
1307 }
1308
1309 void wxTextCtrl::MarkDirty()
1310 {
1311 m_modified = true;
1312 }
1313
1314 void wxTextCtrl::DiscardEdits()
1315 {
1316 m_modified = false;
1317 }
1318
1319 // ----------------------------------------------------------------------------
1320 // max text length support
1321 // ----------------------------------------------------------------------------
1322
1323 void wxTextCtrl::IgnoreNextTextUpdate()
1324 {
1325 m_ignoreNextUpdate = true;
1326 }
1327
1328 bool wxTextCtrl::IgnoreTextUpdate()
1329 {
1330 if ( m_ignoreNextUpdate )
1331 {
1332 m_ignoreNextUpdate = false;
1333
1334 return true;
1335 }
1336
1337 return false;
1338 }
1339
1340 void wxTextCtrl::SetMaxLength(unsigned long len)
1341 {
1342 if ( !HasFlag(wxTE_MULTILINE) )
1343 {
1344 gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1345
1346 // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1347 // we had tried to enter more text than allowed by max text length and
1348 // the text wasn't really changed
1349 //
1350 // to detect this and generate TEXT_MAXLEN event instead of
1351 // TEXT_CHANGED one in this case we also catch "insert_text" signal
1352 //
1353 // when max len is set to 0 we disconnect our handler as it means that
1354 // we shouldn't check anything any more
1355 if ( len )
1356 {
1357 gtk_signal_connect( GTK_OBJECT(m_text),
1358 "insert_text",
1359 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1360 (gpointer)this);
1361 }
1362 else // no checking
1363 {
1364 gtk_signal_disconnect_by_func
1365 (
1366 GTK_OBJECT(m_text),
1367 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1368 (gpointer)this
1369 );
1370 }
1371 }
1372 }
1373
1374 void wxTextCtrl::SetSelection( long from, long to )
1375 {
1376 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1377
1378 if (from == -1 && to == -1)
1379 {
1380 from = 0;
1381 to = GetValue().Length();
1382 }
1383
1384 #ifndef __WXGTK20__
1385 if ( (m_windowStyle & wxTE_MULTILINE) &&
1386 !GTK_TEXT(m_text)->line_start_cache )
1387 {
1388 // tell the programmer that it didn't work
1389 wxLogDebug(_T("Can't call SetSelection() before realizing the control"));
1390 return;
1391 }
1392 #endif
1393
1394 if (m_windowStyle & wxTE_MULTILINE)
1395 {
1396 #ifdef __WXGTK20__
1397 GtkTextIter fromi, toi;
1398 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1399 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1400
1401 gtk_text_buffer_place_cursor( m_buffer, &toi );
1402 gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1403 #else
1404 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1405 #endif
1406 }
1407 else
1408 {
1409 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1410 }
1411 }
1412
1413 void wxTextCtrl::ShowPosition( long pos )
1414 {
1415 if (m_windowStyle & wxTE_MULTILINE)
1416 {
1417 #ifdef __WXGTK20__
1418 GtkTextIter iter;
1419 gtk_text_buffer_get_start_iter( m_buffer, &iter );
1420 gtk_text_iter_set_offset( &iter, pos );
1421 GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE );
1422 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
1423 #else // GTK 1.x
1424 GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
1425 float totalLines = (float) GetNumberOfLines();
1426 long posX;
1427 long posY;
1428 PositionToXY(pos, &posX, &posY);
1429 float posLine = (float) posY;
1430 float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
1431 gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
1432 #endif // GTK 1.x/2.x
1433 }
1434 }
1435
1436 #ifdef __WXGTK20__
1437
1438 wxTextCtrlHitTestResult
1439 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1440 {
1441 if ( !IsMultiLine() )
1442 {
1443 // not supported
1444 return wxTE_HT_UNKNOWN;
1445 }
1446
1447 int x, y;
1448 gtk_text_view_window_to_buffer_coords
1449 (
1450 GTK_TEXT_VIEW(m_text),
1451 GTK_TEXT_WINDOW_TEXT,
1452 pt.x, pt.y,
1453 &x, &y
1454 );
1455
1456 GtkTextIter iter;
1457 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1458 if ( pos )
1459 *pos = gtk_text_iter_get_offset(&iter);
1460
1461 return wxTE_HT_ON_TEXT;
1462 }
1463
1464 #endif // __WXGTK20__
1465
1466 long wxTextCtrl::GetInsertionPoint() const
1467 {
1468 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1469
1470 #ifdef __WXGTK20__
1471 if (m_windowStyle & wxTE_MULTILINE)
1472 {
1473 // There is no direct accessor for the cursor, but
1474 // internally, the cursor is the "mark" called
1475 // "insert" in the text view's btree structure.
1476
1477 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1478 GtkTextIter cursor;
1479 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1480
1481 return gtk_text_iter_get_offset( &cursor );
1482 }
1483 else
1484 #endif
1485 {
1486 return (long) GET_EDITABLE_POS(m_text);
1487 }
1488 }
1489
1490 wxTextPos wxTextCtrl::GetLastPosition() const
1491 {
1492 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1493
1494 int pos = 0;
1495
1496 if (m_windowStyle & wxTE_MULTILINE)
1497 {
1498 #ifdef __WXGTK20__
1499 GtkTextIter end;
1500 gtk_text_buffer_get_end_iter( m_buffer, &end );
1501
1502 pos = gtk_text_iter_get_offset( &end );
1503 #else
1504 pos = gtk_text_get_length( GTK_TEXT(m_text) );
1505 #endif
1506 }
1507 else
1508 {
1509 pos = GTK_ENTRY(m_text)->text_length;
1510 }
1511
1512 return (long)pos;
1513 }
1514
1515 void wxTextCtrl::Remove( long from, long to )
1516 {
1517 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1518
1519 #ifdef __WXGTK20__
1520 if (m_windowStyle & wxTE_MULTILINE)
1521 {
1522 GtkTextIter fromi, toi;
1523 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1524 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1525
1526 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1527 }
1528 else // single line
1529 #endif
1530 gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1531 }
1532
1533 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1534 {
1535 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1536
1537 Remove( from, to );
1538
1539 if (!value.empty())
1540 {
1541 #ifdef __WXGTK20__
1542 SetInsertionPoint( from );
1543 WriteText( value );
1544 #else // GTK 1.x
1545 gint pos = (gint)from;
1546 #if wxUSE_UNICODE
1547 wxWX2MBbuf buf = value.mbc_str();
1548 gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
1549 #else
1550 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
1551 #endif // wxUSE_UNICODE
1552 #endif // GTK 1.x/2.x
1553 }
1554 }
1555
1556 void wxTextCtrl::Cut()
1557 {
1558 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1559
1560 #ifdef __WXGTK20__
1561 if (m_windowStyle & wxTE_MULTILINE)
1562 g_signal_emit_by_name(m_text, "cut-clipboard");
1563 else
1564 #endif
1565 gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1566 }
1567
1568 void wxTextCtrl::Copy()
1569 {
1570 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1571
1572 #ifdef __WXGTK20__
1573 if (m_windowStyle & wxTE_MULTILINE)
1574 g_signal_emit_by_name(m_text, "copy-clipboard");
1575 else
1576 #endif
1577 gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1578 }
1579
1580 void wxTextCtrl::Paste()
1581 {
1582 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1583
1584 #ifdef __WXGTK20__
1585 if (m_windowStyle & wxTE_MULTILINE)
1586 g_signal_emit_by_name(m_text, "paste-clipboard");
1587 else
1588 #endif
1589 gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1590 }
1591
1592 // Undo/redo
1593 void wxTextCtrl::Undo()
1594 {
1595 // TODO
1596 wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1597 }
1598
1599 void wxTextCtrl::Redo()
1600 {
1601 // TODO
1602 wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1603 }
1604
1605 bool wxTextCtrl::CanUndo() const
1606 {
1607 // TODO
1608 //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1609 return false;
1610 }
1611
1612 bool wxTextCtrl::CanRedo() const
1613 {
1614 // TODO
1615 //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1616 return false;
1617 }
1618
1619 // If the return values from and to are the same, there is no
1620 // selection.
1621 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1622 {
1623 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1624
1625 gint from = -1;
1626 gint to = -1;
1627 bool haveSelection = false;
1628
1629 #ifdef __WXGTK20__
1630 if (m_windowStyle & wxTE_MULTILINE)
1631 {
1632 GtkTextIter ifrom, ito;
1633 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1634 {
1635 haveSelection = true;
1636 from = gtk_text_iter_get_offset(&ifrom);
1637 to = gtk_text_iter_get_offset(&ito);
1638 }
1639 }
1640 else // not multi-line
1641 {
1642 if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1643 &from, &to) )
1644 {
1645 haveSelection = true;
1646 }
1647 }
1648 #else // not GTK2
1649 if ( (GTK_EDITABLE(m_text)->has_selection) )
1650 {
1651 haveSelection = true;
1652 from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
1653 to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
1654 }
1655 #endif
1656
1657 if (! haveSelection )
1658 from = to = GetInsertionPoint();
1659
1660 if ( from > to )
1661 {
1662 // exchange them to be compatible with wxMSW
1663 gint tmp = from;
1664 from = to;
1665 to = tmp;
1666 }
1667
1668 if ( fromOut )
1669 *fromOut = from;
1670 if ( toOut )
1671 *toOut = to;
1672 }
1673
1674
1675 bool wxTextCtrl::IsEditable() const
1676 {
1677 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1678
1679 #ifdef __WXGTK20__
1680 if (m_windowStyle & wxTE_MULTILINE)
1681 {
1682 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1683 }
1684 else
1685 {
1686 return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1687 }
1688 #else
1689 return GTK_EDITABLE(m_text)->editable;
1690 #endif
1691 }
1692
1693 bool wxTextCtrl::IsModified() const
1694 {
1695 return m_modified;
1696 }
1697
1698 void wxTextCtrl::Clear()
1699 {
1700 SetValue( wxT("") );
1701 }
1702
1703 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1704 {
1705 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1706
1707 if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
1708 {
1709 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1710 event.SetEventObject(this);
1711 event.SetString(GetValue());
1712 if (GetEventHandler()->ProcessEvent(event)) return;
1713 }
1714
1715 if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
1716 {
1717 // This will invoke the dialog default action, such
1718 // as the clicking the default button.
1719
1720 wxWindow *top_frame = m_parent;
1721 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1722 top_frame = top_frame->GetParent();
1723
1724 if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1725 {
1726 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1727
1728 if (window->default_widget)
1729 {
1730 gtk_widget_activate (window->default_widget);
1731 return;
1732 }
1733 }
1734 }
1735
1736 key_event.Skip();
1737 }
1738
1739 GtkWidget* wxTextCtrl::GetConnectWidget()
1740 {
1741 return GTK_WIDGET(m_text);
1742 }
1743
1744 bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
1745 {
1746 if (m_windowStyle & wxTE_MULTILINE)
1747 {
1748 #ifdef __WXGTK20__
1749 return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork
1750 #else
1751 return (window == GTK_TEXT(m_text)->text_area);
1752 #endif
1753 }
1754 else
1755 {
1756 return (window == GTK_ENTRY(m_text)->text_area);
1757 }
1758 }
1759
1760 // the font will change for subsequent text insertiongs
1761 bool wxTextCtrl::SetFont( const wxFont &font )
1762 {
1763 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1764
1765 if ( !wxTextCtrlBase::SetFont(font) )
1766 {
1767 // font didn't change, nothing to do
1768 return false;
1769 }
1770
1771 if ( m_windowStyle & wxTE_MULTILINE )
1772 {
1773 SetUpdateFont(true);
1774
1775 m_defaultStyle.SetFont(font);
1776
1777 ChangeFontGlobally();
1778 }
1779
1780 return true;
1781 }
1782
1783 void wxTextCtrl::ChangeFontGlobally()
1784 {
1785 // this method is very inefficient and hence should be called as rarely as
1786 // possible!
1787 //
1788 // TODO: it can be implemented much more efficiently for GTK2
1789 #ifndef __WXGTK20__
1790 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
1791
1792 _T("shouldn't be called for single line controls") );
1793 #else
1794 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE),
1795 _T("shouldn't be called for single line controls") );
1796 #endif
1797
1798 wxString value = GetValue();
1799 if ( !value.empty() )
1800 {
1801 SetUpdateFont(false);
1802
1803 Clear();
1804 AppendText(value);
1805 }
1806 }
1807
1808 #ifndef __WXGTK20__
1809
1810 void wxTextCtrl::UpdateFontIfNeeded()
1811 {
1812 if ( m_updateFont )
1813 ChangeFontGlobally();
1814 }
1815
1816 #endif // GTK+ 1.x
1817
1818 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1819 {
1820 if ( !wxControl::SetForegroundColour(colour) )
1821 return false;
1822
1823 // update default fg colour too
1824 m_defaultStyle.SetTextColour(colour);
1825
1826 return true;
1827 }
1828
1829 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1830 {
1831 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1832
1833 if ( !wxControl::SetBackgroundColour( colour ) )
1834 return false;
1835
1836 #ifndef __WXGTK20__
1837 if (!m_widget->window)
1838 return false;
1839 #endif
1840
1841 if (!m_backgroundColour.Ok())
1842 return false;
1843
1844 if (m_windowStyle & wxTE_MULTILINE)
1845 {
1846 #ifndef __WXGTK20__
1847 GdkWindow *window = GTK_TEXT(m_text)->text_area;
1848 if (!window)
1849 return false;
1850 m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
1851 gdk_window_set_background( window, m_backgroundColour.GetColor() );
1852 gdk_window_clear( window );
1853 #endif
1854 }
1855
1856 // change active background color too
1857 m_defaultStyle.SetBackgroundColour( colour );
1858
1859 return true;
1860 }
1861
1862 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1863 {
1864 if ( m_windowStyle & wxTE_MULTILINE )
1865 {
1866 if ( style.IsDefault() )
1867 {
1868 // nothing to do
1869 return true;
1870 }
1871 #ifdef __WXGTK20__
1872 gint l = gtk_text_buffer_get_char_count( m_buffer );
1873
1874 wxCHECK_MSG( start >= 0 && end <= l, false,
1875 _T("invalid range in wxTextCtrl::SetStyle") );
1876
1877 GtkTextIter starti, endi;
1878 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1879 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1880
1881 // use the attributes from style which are set in it and fall back
1882 // first to the default style and then to the text control default
1883 // colours for the others
1884 wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1885
1886 wxGtkTextApplyTagsFromAttr( m_buffer, attr, &starti, &endi );
1887
1888 return true;
1889 #else
1890 // VERY dirty way to do that - removes the required text and re-adds it
1891 // with styling (FIXME)
1892
1893 gint l = gtk_text_get_length( GTK_TEXT(m_text) );
1894
1895 wxCHECK_MSG( start >= 0 && end <= l, false,
1896 _T("invalid range in wxTextCtrl::SetStyle") );
1897
1898 gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
1899 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
1900 wxString tmp(text,*wxConvCurrent);
1901 g_free( text );
1902
1903 gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
1904 gtk_editable_set_position( GTK_EDITABLE(m_text), start );
1905
1906 #if wxUSE_UNICODE
1907 wxWX2MBbuf buf = tmp.mbc_str();
1908 const char *txt = buf;
1909 size_t txtlen = strlen(buf);
1910 #else
1911 const char *txt = tmp;
1912 size_t txtlen = tmp.length();
1913 #endif
1914
1915 // use the attributes from style which are set in it and fall back
1916 // first to the default style and then to the text control default
1917 // colours for the others
1918 wxGtkTextInsert(m_text,
1919 wxTextAttr::Combine(style, m_defaultStyle, this),
1920 txt,
1921 txtlen);
1922
1923 /* does not seem to help under GTK+ 1.2 !!!
1924 gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
1925 SetInsertionPoint( old_pos );
1926 #endif
1927 return true;
1928 }
1929 else // singe line
1930 {
1931 // cannot do this for GTK+'s Entry widget
1932 return false;
1933 }
1934 }
1935
1936 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1937 {
1938 gtk_widget_modify_style(m_text, style);
1939 }
1940
1941 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1942 {
1943 Cut();
1944 }
1945
1946 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1947 {
1948 Copy();
1949 }
1950
1951 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1952 {
1953 Paste();
1954 }
1955
1956 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1957 {
1958 Undo();
1959 }
1960
1961 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1962 {
1963 Redo();
1964 }
1965
1966 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1967 {
1968 event.Enable( CanCut() );
1969 }
1970
1971 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1972 {
1973 event.Enable( CanCopy() );
1974 }
1975
1976 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1977 {
1978 event.Enable( CanPaste() );
1979 }
1980
1981 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1982 {
1983 event.Enable( CanUndo() );
1984 }
1985
1986 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1987 {
1988 event.Enable( CanRedo() );
1989 }
1990
1991 void wxTextCtrl::OnInternalIdle()
1992 {
1993 wxCursor cursor = m_cursor;
1994 if (g_globalCursor.Ok()) cursor = g_globalCursor;
1995
1996 if (cursor.Ok())
1997 {
1998 #ifndef __WXGTK20__
1999 GdkWindow *window = (GdkWindow*) NULL;
2000 if (HasFlag(wxTE_MULTILINE))
2001 window = GTK_TEXT(m_text)->text_area;
2002 else
2003 window = GTK_ENTRY(m_text)->text_area;
2004
2005 if (window)
2006 gdk_window_set_cursor( window, cursor.GetCursor() );
2007
2008 if (!g_globalCursor.Ok())
2009 cursor = *wxSTANDARD_CURSOR;
2010
2011 window = m_widget->window;
2012 if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
2013 gdk_window_set_cursor( window, cursor.GetCursor() );
2014 #endif
2015 }
2016
2017 if (g_delayedFocus == this)
2018 {
2019 if (GTK_WIDGET_REALIZED(m_widget))
2020 {
2021 gtk_widget_grab_focus( m_widget );
2022 g_delayedFocus = NULL;
2023 }
2024 }
2025
2026 if (wxUpdateUIEvent::CanUpdate(this))
2027 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
2028 }
2029
2030 wxSize wxTextCtrl::DoGetBestSize() const
2031 {
2032 // FIXME should be different for multi-line controls...
2033 wxSize ret( wxControl::DoGetBestSize() );
2034 wxSize best(80, ret.y);
2035 CacheBestSize(best);
2036 return best;
2037 }
2038
2039 // ----------------------------------------------------------------------------
2040 // freeze/thaw
2041 // ----------------------------------------------------------------------------
2042
2043 void wxTextCtrl::Freeze()
2044 {
2045 if ( HasFlag(wxTE_MULTILINE) )
2046 {
2047 #ifdef __WXGTK20__
2048 if ( !m_frozenness++ )
2049 {
2050 // freeze textview updates and remove buffer
2051 g_signal_connect( G_OBJECT(m_text), "expose_event",
2052 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
2053 g_signal_connect( G_OBJECT(m_widget), "expose_event",
2054 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
2055 gtk_widget_set_sensitive(m_widget, false);
2056 g_object_ref(m_buffer);
2057 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL));
2058 }
2059 #else
2060 gtk_text_freeze(GTK_TEXT(m_text));
2061 #endif
2062 }
2063 }
2064
2065 void wxTextCtrl::Thaw()
2066 {
2067 if ( HasFlag(wxTE_MULTILINE) )
2068 {
2069 #ifdef __WXGTK20__
2070 wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") );
2071
2072 if ( !--m_frozenness )
2073 {
2074 // Reattach buffer and thaw textview updates
2075 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
2076 g_object_unref(m_buffer);
2077 gtk_widget_set_sensitive(m_widget, true);
2078 g_signal_handlers_disconnect_by_func(m_widget, (gpointer)gtk_text_exposed_callback, this);
2079 g_signal_handlers_disconnect_by_func(m_text, (gpointer)gtk_text_exposed_callback, this);
2080 }
2081 #else
2082 GTK_TEXT(m_text)->vadj->value = 0.0;
2083
2084 gtk_text_thaw(GTK_TEXT(m_text));
2085 #endif
2086 }
2087 }
2088
2089 // ----------------------------------------------------------------------------
2090 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
2091 // ----------------------------------------------------------------------------
2092
2093 #ifdef __WXGTK20__
2094
2095 // FIXME: when dragging on a link the sample gets an "Unknown event".
2096 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
2097 // a buggy sample, or something else
2098 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
2099 {
2100 event.Skip();
2101 if(!(m_windowStyle & wxTE_AUTO_URL))
2102 return;
2103
2104 gint x, y;
2105 GtkTextIter start, end;
2106 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
2107 "wxUrl");
2108
2109 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
2110 event.GetX(), event.GetY(), &x, &y);
2111
2112 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
2113 if (!gtk_text_iter_has_tag(&end, tag))
2114 {
2115 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
2116 GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
2117 return;
2118 }
2119
2120 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
2121 GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
2122
2123 start = end;
2124 if(!gtk_text_iter_begins_tag(&start, tag))
2125 gtk_text_iter_backward_to_tag_toggle(&start, tag);
2126 if(!gtk_text_iter_ends_tag(&end, tag))
2127 gtk_text_iter_forward_to_tag_toggle(&end, tag);
2128
2129 // Native context menu is probably not desired on an URL.
2130 // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
2131 if(event.GetEventType() == wxEVT_RIGHT_DOWN)
2132 event.Skip(false);
2133
2134 wxTextUrlEvent url_event(m_windowId, event,
2135 gtk_text_iter_get_offset(&start),
2136 gtk_text_iter_get_offset(&end));
2137
2138 InitCommandEvent(url_event);
2139 // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
2140 //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
2141 GetEventHandler()->ProcessEvent(url_event);
2142 }
2143 #endif // gtk2
2144
2145 // ----------------------------------------------------------------------------
2146 // scrolling
2147 // ----------------------------------------------------------------------------
2148
2149 GtkAdjustment *wxTextCtrl::GetVAdj() const
2150 {
2151 if ( !IsMultiLine() )
2152 return NULL;
2153
2154 #ifdef __WXGTK20__
2155 return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
2156 #else
2157 return GTK_TEXT(m_text)->vadj;
2158 #endif
2159 }
2160
2161 bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
2162 {
2163 float value = adj->value + diff;
2164
2165 if ( value < 0 )
2166 value = 0;
2167
2168 float upper = adj->upper - adj->page_size;
2169 if ( value > upper )
2170 value = upper;
2171
2172 // did we noticeably change the scroll position?
2173 if ( fabs(adj->value - value) < 0.2 )
2174 {
2175 // well, this is what Robert does in wxScrollBar, so it must be good...
2176 return false;
2177 }
2178
2179 adj->value = value;
2180
2181 #ifdef __WXGTK20__
2182 gtk_adjustment_value_changed(GTK_ADJUSTMENT(adj));
2183 #else
2184 gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
2185 #endif
2186
2187 return true;
2188 }
2189
2190 bool wxTextCtrl::ScrollLines(int lines)
2191 {
2192 GtkAdjustment *adj = GetVAdj();
2193 if ( !adj )
2194 return false;
2195
2196 #ifdef __WXGTK20__
2197 int diff = (int)ceil(lines*adj->step_increment);
2198 #else
2199 // this is hardcoded to 10 in GTK+ 1.2 (great idea)
2200 int diff = 10*lines;
2201 #endif
2202
2203 return DoScroll(adj, diff);
2204 }
2205
2206 bool wxTextCtrl::ScrollPages(int pages)
2207 {
2208 GtkAdjustment *adj = GetVAdj();
2209 if ( !adj )
2210 return false;
2211
2212 return DoScroll(adj, (int)ceil(pages*adj->page_increment));
2213 }
2214
2215
2216 // static
2217 wxVisualAttributes
2218 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
2219 {
2220 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
2221 }
wxWidgets (Impactor)