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