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wxTE_AUTO_URL for wxGTK2 from Mart R. [patch 1126182]
[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 static void
148 gtk_insert_text_callback(GtkEditable *editable,
149 const gchar *new_text,
150 gint new_text_length,
151 gint *position,
152 wxTextCtrl *win)
153 {
154 if (g_isIdle)
155 wxapp_install_idle_handler();
156
157 // we should only be called if we have a max len limit at all
158 GtkEntry *entry = GTK_ENTRY (editable);
159
160 wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
161
162 // check that we don't overflow the max length limit
163 //
164 // FIXME: this doesn't work when we paste a string which is going to be
165 // truncated
166 if ( entry->text_length == entry->text_max_length )
167 {
168 // we don't need to run the base class version at all
169 gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text");
170
171 // remember that the next changed signal is to be ignored to avoid
172 // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
173 win->IgnoreNextTextUpdate();
174
175 // and generate the correct one ourselves
176 wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
177 event.SetEventObject(win);
178 event.SetString(win->GetValue());
179 win->GetEventHandler()->ProcessEvent( event );
180 }
181 }
182
183 #ifdef __WXGTK20__
184 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
185
186 static void
187 au_apply_tag_callback(GtkTextBuffer *buffer,
188 GtkTextTag *tag,
189 GtkTextIter *start,
190 GtkTextIter *end,
191 gpointer textctrl)
192 {
193 if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
194 g_signal_stop_emission_by_name(buffer, "apply_tag");
195 }
196
197 //-----------------------------------------------------------------------------
198 // GtkTextCharPredicates for gtk_text_iter_*_find_char
199 //-----------------------------------------------------------------------------
200
201 static gboolean
202 pred_whitespace (gunichar ch, gpointer user_data)
203 {
204 return g_unichar_isspace(ch);
205 }
206
207 static gboolean
208 pred_non_whitespace (gunichar ch, gpointer user_data)
209 {
210 return !g_unichar_isspace(ch);
211 }
212
213 static gboolean
214 pred_nonpunct (gunichar ch, gpointer user_data)
215 {
216 return !g_unichar_ispunct(ch);
217 }
218
219 static gboolean
220 pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
221 {
222 return !g_unichar_ispunct(ch) || ch == '/';
223 }
224
225 //-----------------------------------------------------------------------------
226 // Check for links between s and e and correct tags as necessary
227 //-----------------------------------------------------------------------------
228
229 // This function should be made match better while being efficient at one point.
230 // Most probably with a row of regular expressions.
231 static void
232 au_check_word( GtkTextIter *s, GtkTextIter *e )
233 {
234 static const char *URIPrefixes[] =
235 {
236 "http://",
237 "ftp://",
238 "www.",
239 "ftp.",
240 "mailto://",
241 "https://",
242 "file://",
243 "nntp://",
244 "news://",
245 "telnet://",
246 "mms://",
247 "gopher://",
248 "prospero://",
249 "wais://",
250 };
251
252 GtkTextIter start = *s, end = *e;
253 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
254
255 // Get our special link tag
256 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
257
258 // Get rid of punctuation from beginning and end.
259 // Might want to move this to au_check_range if an improved link checking doesn't
260 // use some intelligent punctuation checking itself (beware of undesired iter modifications).
261 if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
262 gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
263
264 gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
265 gtk_text_iter_forward_char(&end);
266
267 gchar* text = gtk_text_iter_get_text( &start, &end );
268 size_t len = strlen(text), prefix_len;
269 size_t n;
270
271 for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
272 {
273 prefix_len = strlen(URIPrefixes[n]);
274 if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
275 break;
276 }
277
278 if(n < WXSIZEOF(URIPrefixes))
279 {
280 gulong signal_id = g_signal_handler_find(buffer,
281 (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
282 0, 0, NULL,
283 (gpointer)au_apply_tag_callback, NULL);
284
285 g_signal_handler_block(buffer, signal_id);
286 gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
287 g_signal_handler_unblock(buffer, signal_id);
288 }
289 }
290
291 static void
292 au_check_range(GtkTextIter *s,
293 GtkTextIter *range_end)
294 {
295 GtkTextIter range_start = *s;
296 GtkTextIter word_end;
297 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
298 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
299
300 gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
301
302 if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
303 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
304
305 while(!gtk_text_iter_equal(&range_start, range_end))
306 {
307 word_end = range_start;
308 gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
309
310 // Now we should have a word delimited by range_start and word_end, correct link tags
311 au_check_word(&range_start, &word_end);
312
313 range_start = word_end;
314 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
315 }
316 }
317
318 //-----------------------------------------------------------------------------
319 // "insert-text" for GtkTextBuffer
320 //-----------------------------------------------------------------------------
321
322 static void
323 au_insert_text_callback(GtkTextBuffer *buffer,
324 GtkTextIter *end,
325 gchar *text,
326 gint len,
327 wxTextCtrl *win)
328 {
329 if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
330 return;
331
332 GtkTextIter start = *end;
333 gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
334
335 GtkTextIter line_start = start;
336 GtkTextIter line_end = *end;
337 GtkTextIter words_start = start;
338 GtkTextIter words_end = *end;
339
340 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
341 gtk_text_iter_forward_to_line_end(&line_end);
342 gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
343 gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
344
345 au_check_range(&words_start, &words_end);
346 }
347
348 //-----------------------------------------------------------------------------
349 // "delete-range" for GtkTextBuffer
350 //-----------------------------------------------------------------------------
351
352 static void
353 au_delete_range_callback(GtkTextBuffer *buffer,
354 GtkTextIter *start,
355 GtkTextIter *end,
356 wxTextCtrl *win)
357 {
358 if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
359 return;
360
361 GtkTextIter line_start = *start, line_end = *end;
362
363 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
364 gtk_text_iter_forward_to_line_end(&line_end);
365 gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
366 gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
367
368 au_check_range(start, end);
369 }
370
371
372 #endif
373
374 //-----------------------------------------------------------------------------
375 // "changed"
376 //-----------------------------------------------------------------------------
377
378 static void
379 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
380 {
381 if ( win->IgnoreTextUpdate() )
382 return;
383
384 if (!win->m_hasVMT) return;
385
386 if (g_isIdle)
387 wxapp_install_idle_handler();
388
389 win->SetModified();
390 #ifndef __WXGTK20__
391 win->UpdateFontIfNeeded();
392 #endif // !__WXGTK20__
393
394 wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
395 event.SetEventObject( win );
396 win->GetEventHandler()->ProcessEvent( event );
397 }
398
399 //-----------------------------------------------------------------------------
400 // "expose_event" from scrolled window and textview
401 //-----------------------------------------------------------------------------
402
403 #ifdef __WXGTK20__
404 static gboolean
405 gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
406 {
407 return TRUE;
408 }
409 #endif
410
411 //-----------------------------------------------------------------------------
412 // "changed" from vertical scrollbar
413 //-----------------------------------------------------------------------------
414
415 #ifndef __WXGTK20__
416 static void
417 gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
418 {
419 if (!win->m_hasVMT) return;
420
421 if (g_isIdle)
422 wxapp_install_idle_handler();
423
424 win->CalculateScrollbar();
425 }
426 #endif
427
428 // ----------------------------------------------------------------------------
429 // redraw callback for multiline text
430 // ----------------------------------------------------------------------------
431
432 #ifndef __WXGTK20__
433
434 // redrawing a GtkText from inside a wxYield() call results in crashes (the
435 // text sample shows it in its "Add lines" command which shows wxProgressDialog
436 // which implicitly calls wxYield()) so we override GtkText::draw() and simply
437 // don't do anything if we're inside wxYield()
438
439 extern bool wxIsInsideYield;
440
441 extern "C" {
442 typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect);
443 }
444
445 static GtkDrawCallback gs_gtk_text_draw = NULL;
446
447 extern "C"
448 void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect)
449 {
450 if ( !wxIsInsideYield )
451 {
452 wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw,
453 _T("infinite recursion in wxgtk_text_draw aborted") );
454
455 gs_gtk_text_draw(widget, rect);
456 }
457 }
458
459 #endif // __WXGTK20__
460
461 //-----------------------------------------------------------------------------
462 // wxTextCtrl
463 //-----------------------------------------------------------------------------
464
465 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
466
467 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
468 EVT_CHAR(wxTextCtrl::OnChar)
469
470 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
471 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
472 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
473 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
474 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
475
476 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
477 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
478 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
479 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
480 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
481
482 #ifdef __WXGTK20__
483 // wxTE_AUTO_URL wxTextUrl support. Currently only creates
484 // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
485 EVT_MOTION (wxTextCtrl::OnUrlMouseEvent)
486 EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent)
487 EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent)
488 EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
489 EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent)
490 EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent)
491 EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
492 #endif
493 END_EVENT_TABLE()
494
495 void wxTextCtrl::Init()
496 {
497 m_ignoreNextUpdate =
498 m_modified = false;
499 SetUpdateFont(false);
500 m_text =
501 m_vScrollbar = (GtkWidget *)NULL;
502 #ifdef __WXGTK20__
503 m_frozenness = 0;
504 m_gdkHandCursor = NULL;
505 m_gdkXTermCursor = NULL;
506 #endif
507 }
508
509 wxTextCtrl::~wxTextCtrl()
510 {
511 #ifdef __WXGTK20__
512 if(m_gdkHandCursor)
513 gdk_cursor_unref(m_gdkHandCursor);
514 if(m_gdkXTermCursor)
515 gdk_cursor_unref(m_gdkXTermCursor);
516 #endif
517 }
518
519 wxTextCtrl::wxTextCtrl( wxWindow *parent,
520 wxWindowID id,
521 const wxString &value,
522 const wxPoint &pos,
523 const wxSize &size,
524 long style,
525 const wxValidator& validator,
526 const wxString &name )
527 {
528 Init();
529
530 Create( parent, id, value, pos, size, style, validator, name );
531 }
532
533 bool wxTextCtrl::Create( wxWindow *parent,
534 wxWindowID id,
535 const wxString &value,
536 const wxPoint &pos,
537 const wxSize &size,
538 long style,
539 const wxValidator& validator,
540 const wxString &name )
541 {
542 m_needParent = true;
543 m_acceptsFocus = true;
544
545 if (!PreCreation( parent, pos, size ) ||
546 !CreateBase( parent, id, pos, size, style, validator, name ))
547 {
548 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
549 return false;
550 }
551
552
553 m_vScrollbarVisible = false;
554
555 bool multi_line = (style & wxTE_MULTILINE) != 0;
556
557 if (multi_line)
558 {
559 #ifdef __WXGTK20__
560 // Create view
561 m_text = gtk_text_view_new();
562
563 m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
564
565 // create scrolled window
566 m_widget = gtk_scrolled_window_new( NULL, NULL );
567 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
568 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
569
570 // Insert view into scrolled window
571 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
572
573 // Global settings which can be overridden by tags, I guess.
574 if (HasFlag( wxHSCROLL ) || HasFlag( wxTE_DONTWRAP ))
575 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_NONE );
576 else
577 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_WORD );
578
579 if (!HasFlag(wxNO_BORDER))
580 gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
581
582 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
583 #else
584 // create our control ...
585 m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
586
587 // ... and put into the upper left hand corner of the table
588 bool bHasHScrollbar = false;
589 m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
590 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
591 gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
592 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
593 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
594 0, 0);
595
596 // always wrap words
597 gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
598
599 // finally, put the vertical scrollbar in the upper right corner
600 m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
601 GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
602 gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
603 GTK_FILL,
604 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
605 0, 0);
606 #endif
607 }
608 else
609 {
610 // a single-line text control: no need for scrollbars
611 m_widget =
612 m_text = gtk_entry_new();
613
614 #ifdef __WXGTK20__
615 if (style & wxNO_BORDER)
616 g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL );
617 #endif
618 }
619
620 m_parent->DoAddChild( this );
621
622 m_focusWidget = m_text;
623
624 PostCreation(size);
625
626 if (multi_line)
627 gtk_widget_show(m_text);
628
629 #ifndef __WXGTK20__
630 if (multi_line)
631 {
632 gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
633 (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
634
635 // only initialize gs_gtk_text_draw once, starting from the next the
636 // klass::draw will already be wxgtk_text_draw
637 if ( !gs_gtk_text_draw )
638 {
639 GtkDrawCallback&
640 draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw;
641
642 gs_gtk_text_draw = draw;
643
644 draw = wxgtk_text_draw;
645 }
646 }
647 #endif // GTK+ 1.x
648
649 if (!value.empty())
650 {
651 #ifdef __WXGTK20__
652 SetValue( value );
653 #else
654
655 #if !GTK_CHECK_VERSION(1, 2, 0)
656 // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
657 // gtk_editable_insert_text()
658 gtk_widget_realize(m_text);
659 #endif // GTK 1.0
660
661 gint tmp = 0;
662 #if wxUSE_UNICODE
663 wxWX2MBbuf val = value.mbc_str();
664 gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
665 #else
666 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
667 #endif
668
669 if (multi_line)
670 {
671 // Bring editable's cursor uptodate. Bug in GTK.
672 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
673 }
674
675 #endif
676 }
677
678 if (style & wxTE_PASSWORD)
679 {
680 if (!multi_line)
681 gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
682 }
683
684 if (style & wxTE_READONLY)
685 {
686 if (!multi_line)
687 gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
688 #ifdef __WXGTK20__
689 else
690 gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
691 #else
692 }
693 else
694 {
695 if (multi_line)
696 gtk_text_set_editable( GTK_TEXT(m_text), 1 );
697 #endif
698 }
699
700 #ifdef __WXGTK20__
701 if (multi_line)
702 {
703 if (style & wxTE_RIGHT)
704 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT );
705 else if (style & wxTE_CENTRE)
706 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER );
707 // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT
708 }
709 else
710 {
711 #ifdef __WXGTK24__
712 // gtk_entry_set_alignment was introduced in gtk+-2.3.5
713 if (!gtk_check_version(2,4,0))
714 {
715 if (style & wxTE_RIGHT)
716 gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 );
717 else if (style & wxTE_CENTRE)
718 gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 );
719 }
720 #endif
721 }
722 #endif // __WXGTK20__
723
724 // We want to be notified about text changes.
725 #ifdef __WXGTK20__
726 if (multi_line)
727 {
728 g_signal_connect( G_OBJECT(m_buffer), "changed",
729 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
730
731 // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
732 if (style & wxTE_AUTO_URL)
733 {
734 GtkTextIter start, end;
735 m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
736 m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
737
738 // We create our wxUrl tag here for slight efficiency gain - we
739 // don't have to check for the tag existance in callbacks,
740 // hereby it's guaranteed to exist.
741 gtk_text_buffer_create_tag(m_buffer, "wxUrl",
742 "foreground", "blue",
743 "underline", PANGO_UNDERLINE_SINGLE,
744 NULL);
745
746 // Check for URLs after each text change
747 g_signal_connect_after( G_OBJECT(m_buffer), "insert_text",
748 GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this);
749 g_signal_connect_after( G_OBJECT(m_buffer), "delete_range",
750 GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)this);
751
752 // Block all wxUrl tag applying unless we do it ourselves, in which case we
753 // block this callback temporarily. This takes care of gtk+ internal
754 // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
755 // which is undesired because only a part of the URL might be copied.
756 // The insert-text signal emitted inside it will take care of newly formed
757 // or wholly copied URLs.
758 g_signal_connect( G_OBJECT(m_buffer), "apply_tag",
759 GTK_SIGNAL_FUNC(au_apply_tag_callback), NULL);
760
761 // Check for URLs in the initial string passed to Create
762 gtk_text_buffer_get_start_iter(m_buffer, &start);
763 gtk_text_buffer_get_end_iter(m_buffer, &end);
764 au_check_range(&start, &end);
765 }
766 }
767 else
768 #endif
769
770 {
771 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
772 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
773 }
774
775 m_cursor = wxCursor( wxCURSOR_IBEAM );
776
777 wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
778 SetDefaultStyle( attrDef );
779
780 return true;
781 }
782
783
784 void wxTextCtrl::CalculateScrollbar()
785 {
786 #ifndef __WXGTK20__
787 if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
788
789 GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
790
791 if (adj->upper - adj->page_size < 0.8)
792 {
793 if (m_vScrollbarVisible)
794 {
795 gtk_widget_hide( m_vScrollbar );
796 m_vScrollbarVisible = false;
797 }
798 }
799 else
800 {
801 if (!m_vScrollbarVisible)
802 {
803 gtk_widget_show( m_vScrollbar );
804 m_vScrollbarVisible = true;
805 }
806 }
807 #endif
808 }
809
810 wxString wxTextCtrl::GetValue() const
811 {
812 wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") );
813
814 wxString tmp;
815 if (m_windowStyle & wxTE_MULTILINE)
816 {
817 #ifdef __WXGTK20__
818 GtkTextIter start;
819 gtk_text_buffer_get_start_iter( m_buffer, &start );
820 GtkTextIter end;
821 gtk_text_buffer_get_end_iter( m_buffer, &end );
822 gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
823
824 #if wxUSE_UNICODE
825 wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
826 #else
827 wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
828 #endif
829 if ( buffer )
830 tmp = buffer;
831
832 g_free( text );
833 #else
834 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
835 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
836 tmp = text;
837 g_free( text );
838 #endif
839 }
840 else
841 {
842 tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
843 }
844
845 return tmp;
846 }
847
848 void wxTextCtrl::SetValue( const wxString &value )
849 {
850 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
851
852 if (m_windowStyle & wxTE_MULTILINE)
853 {
854 #ifdef __WXGTK20__
855
856 #if wxUSE_UNICODE
857 wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
858 #else
859 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
860 #endif
861 if (gtk_text_buffer_get_char_count(m_buffer) != 0)
862 IgnoreNextTextUpdate();
863
864 gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
865
866 #else
867 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
868 gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
869 len = 0;
870 gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len );
871 #endif
872 }
873 else
874 {
875 gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
876 }
877
878 // GRG, Jun/2000: Changed this after a lot of discussion in
879 // the lists. wxWidgets 2.2 will have a set of flags to
880 // customize this behaviour.
881 SetInsertionPoint(0);
882
883 m_modified = false;
884 }
885
886 void wxTextCtrl::WriteText( const wxString &text )
887 {
888 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
889
890 if ( text.empty() )
891 return;
892
893 // gtk_text_changed_callback() will set m_modified to true but m_modified
894 // shouldn't be changed by the program writing to the text control itself,
895 // so save the old value and restore when we're done
896 bool oldModified = m_modified;
897
898 if ( m_windowStyle & wxTE_MULTILINE )
899 {
900 #ifdef __WXGTK20__
901
902 #if wxUSE_UNICODE
903 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
904 #else
905 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
906 #endif
907 if ( !buffer )
908 {
909 // what else can we do? at least don't crash...
910 return;
911 }
912
913 // TODO: Call whatever is needed to delete the selection.
914 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
915
916 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
917 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
918 if ( adj->value == adj->upper - adj->page_size )
919 {
920 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
921 gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
922 }
923 #else // GTK 1.x
924 // After cursor movements, gtk_text_get_point() is wrong by one.
925 gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );
926
927 // always use m_defaultStyle, even if it is empty as otherwise
928 // resetting the style and appending some more text wouldn't work: if
929 // we don't specify the style explicitly, the old style would be used
930 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
931 wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len());
932
933 // we called wxGtkTextInsert with correct font, no need to do anything
934 // in UpdateFontIfNeeded() any longer
935 if ( !text.empty() )
936 {
937 SetUpdateFont(false);
938 }
939
940 // Bring editable's cursor back uptodate.
941 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
942 #endif // GTK 1.x/2.0
943 }
944 else // single line
945 {
946 // First remove the selection if there is one
947 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
948
949 // This moves the cursor pos to behind the inserted text.
950 gint len = GET_EDITABLE_POS(m_text);
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 gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
960
961 #else
962 gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
963 #endif
964
965 // Bring entry's cursor uptodate.
966 gtk_entry_set_position( GTK_ENTRY(m_text), len );
967 }
968
969 m_modified = oldModified;
970 }
971
972 void wxTextCtrl::AppendText( const wxString &text )
973 {
974 SetInsertionPointEnd();
975 WriteText( text );
976 }
977
978 wxString wxTextCtrl::GetLineText( long lineNo ) const
979 {
980 if (m_windowStyle & wxTE_MULTILINE)
981 {
982 #ifndef __WXGTK20__
983 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
984 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
985
986 if (text)
987 {
988 wxString buf(wxT(""));
989 long i;
990 int currentLine = 0;
991 for (i = 0; currentLine != lineNo && text[i]; i++ )
992 if (text[i] == '\n')
993 currentLine++;
994 // Now get the text
995 int j;
996 for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
997 buf += text[i];
998
999 g_free( text );
1000 return buf;
1001 }
1002 else
1003 {
1004 return wxEmptyString;
1005 }
1006 #else
1007 GtkTextIter line;
1008 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1009 GtkTextIter end;
1010 gtk_text_buffer_get_end_iter(m_buffer,&end );
1011 gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE);
1012 wxString result(wxGTK_CONV_BACK(text));
1013 g_free(text);
1014 return result.BeforeFirst(wxT('\n'));
1015 #endif
1016 }
1017 else
1018 {
1019 if (lineNo == 0) return GetValue();
1020 return wxEmptyString;
1021 }
1022 }
1023
1024 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1025 {
1026 /* If you implement this, don't forget to update the documentation!
1027 * (file docs/latex/wx/text.tex) */
1028 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1029 }
1030
1031 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1032 {
1033 if ( m_windowStyle & wxTE_MULTILINE )
1034 {
1035 wxString text = GetValue();
1036
1037 // cast to prevent warning. But pos really should've been unsigned.
1038 if( (unsigned long)pos > text.Len() )
1039 return false;
1040
1041 *x=0; // First Col
1042 *y=0; // First Line
1043
1044 const wxChar* stop = text.c_str() + pos;
1045 for ( const wxChar *p = text.c_str(); p < stop; p++ )
1046 {
1047 if (*p == wxT('\n'))
1048 {
1049 (*y)++;
1050 *x=0;
1051 }
1052 else
1053 (*x)++;
1054 }
1055 }
1056 else // single line control
1057 {
1058 if ( pos <= GTK_ENTRY(m_text)->text_length )
1059 {
1060 *y = 0;
1061 *x = pos;
1062 }
1063 else
1064 {
1065 // index out of bounds
1066 return false;
1067 }
1068 }
1069
1070 return true;
1071 }
1072
1073 long wxTextCtrl::XYToPosition(long x, long y ) const
1074 {
1075 if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
1076
1077 long pos=0;
1078 for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
1079
1080 pos += x;
1081 return pos;
1082 }
1083
1084 int wxTextCtrl::GetLineLength(long lineNo) const
1085 {
1086 wxString str = GetLineText (lineNo);
1087 return (int) str.Length();
1088 }
1089
1090 int wxTextCtrl::GetNumberOfLines() const
1091 {
1092 if (m_windowStyle & wxTE_MULTILINE)
1093 {
1094 #ifdef __WXGTK20__
1095 return gtk_text_buffer_get_line_count( m_buffer );
1096 #else
1097 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
1098 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
1099
1100 if (text)
1101 {
1102 int currentLine = 0;
1103 for (int i = 0; i < len; i++ )
1104 {
1105 if (text[i] == '\n')
1106 currentLine++;
1107 }
1108 g_free( text );
1109
1110 // currentLine is 0 based, add 1 to get number of lines
1111 return currentLine + 1;
1112 }
1113 else
1114 {
1115 return 0;
1116 }
1117 #endif
1118 }
1119 else
1120 {
1121 return 1;
1122 }
1123 }
1124
1125 void wxTextCtrl::SetInsertionPoint( long pos )
1126 {
1127 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1128
1129 if ( IsMultiLine() )
1130 {
1131 #ifdef __WXGTK20__
1132 GtkTextIter iter;
1133 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1134 gtk_text_buffer_place_cursor( m_buffer, &iter );
1135 gtk_text_view_scroll_mark_onscreen
1136 (
1137 GTK_TEXT_VIEW(m_text),
1138 gtk_text_buffer_get_insert( m_buffer )
1139 );
1140 #else // GTK+ 1.x
1141 gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
1142 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
1143
1144 /* we fake a set_point by inserting and deleting. as the user
1145 isn't supposed to get to know about this non-sense, we
1146 disconnect so that no events are sent to the user program. */
1147
1148 gint tmp = (gint)pos;
1149 gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
1150 gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
1151
1152 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
1153 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
1154
1155 // bring editable's cursor uptodate. Bug in GTK.
1156 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
1157 #endif // GTK+ 2/1
1158 }
1159 else
1160 {
1161 gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
1162
1163 // Bring editable's cursor uptodate. Bug in GTK.
1164 SET_EDITABLE_POS(m_text, (guint32)pos);
1165 }
1166 }
1167
1168 void wxTextCtrl::SetInsertionPointEnd()
1169 {
1170 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1171
1172 if (m_windowStyle & wxTE_MULTILINE)
1173 {
1174 #ifdef __WXGTK20__
1175 GtkTextIter end;
1176 gtk_text_buffer_get_end_iter( m_buffer, &end );
1177 gtk_text_buffer_place_cursor( m_buffer, &end );
1178 #else
1179 SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
1180 #endif
1181 }
1182 else
1183 {
1184 gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
1185 }
1186 }
1187
1188 void wxTextCtrl::SetEditable( bool editable )
1189 {
1190 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1191
1192 if (m_windowStyle & wxTE_MULTILINE)
1193 {
1194 #ifdef __WXGTK20__
1195 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1196 #else
1197 gtk_text_set_editable( GTK_TEXT(m_text), editable );
1198 #endif
1199 }
1200 else
1201 {
1202 gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
1203 }
1204 }
1205
1206 bool wxTextCtrl::Enable( bool enable )
1207 {
1208 if (!wxWindowBase::Enable(enable))
1209 {
1210 // nothing to do
1211 return false;
1212 }
1213
1214 if (m_windowStyle & wxTE_MULTILINE)
1215 {
1216 #ifdef __WXGTK20__
1217 SetEditable( enable );
1218 #else
1219 gtk_text_set_editable( GTK_TEXT(m_text), enable );
1220 OnParentEnable(enable);
1221 #endif
1222 }
1223 else
1224 {
1225 gtk_widget_set_sensitive( m_text, enable );
1226 }
1227
1228 return true;
1229 }
1230
1231 // wxGTK-specific: called recursively by Enable,
1232 // to give widgets an oppprtunity to correct their colours after they
1233 // have been changed by Enable
1234 void wxTextCtrl::OnParentEnable( bool enable )
1235 {
1236 // If we have a custom background colour, we use this colour in both
1237 // disabled and enabled mode, or we end up with a different colour under the
1238 // text.
1239 wxColour oldColour = GetBackgroundColour();
1240 if (oldColour.Ok())
1241 {
1242 // Need to set twice or it'll optimize the useful stuff out
1243 if (oldColour == * wxWHITE)
1244 SetBackgroundColour(*wxBLACK);
1245 else
1246 SetBackgroundColour(*wxWHITE);
1247 SetBackgroundColour(oldColour);
1248 }
1249 }
1250
1251 void wxTextCtrl::MarkDirty()
1252 {
1253 m_modified = true;
1254 }
1255
1256 void wxTextCtrl::DiscardEdits()
1257 {
1258 m_modified = false;
1259 }
1260
1261 // ----------------------------------------------------------------------------
1262 // max text length support
1263 // ----------------------------------------------------------------------------
1264
1265 void wxTextCtrl::IgnoreNextTextUpdate()
1266 {
1267 m_ignoreNextUpdate = true;
1268 }
1269
1270 bool wxTextCtrl::IgnoreTextUpdate()
1271 {
1272 if ( m_ignoreNextUpdate )
1273 {
1274 m_ignoreNextUpdate = false;
1275
1276 return true;
1277 }
1278
1279 return false;
1280 }
1281
1282 void wxTextCtrl::SetMaxLength(unsigned long len)
1283 {
1284 if ( !HasFlag(wxTE_MULTILINE) )
1285 {
1286 gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1287
1288 // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1289 // we had tried to enter more text than allowed by max text length and
1290 // the text wasn't really changed
1291 //
1292 // to detect this and generate TEXT_MAXLEN event instead of
1293 // TEXT_CHANGED one in this case we also catch "insert_text" signal
1294 //
1295 // when max len is set to 0 we disconnect our handler as it means that
1296 // we shouldn't check anything any more
1297 if ( len )
1298 {
1299 gtk_signal_connect( GTK_OBJECT(m_text),
1300 "insert_text",
1301 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1302 (gpointer)this);
1303 }
1304 else // no checking
1305 {
1306 gtk_signal_disconnect_by_func
1307 (
1308 GTK_OBJECT(m_text),
1309 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1310 (gpointer)this
1311 );
1312 }
1313 }
1314 }
1315
1316 void wxTextCtrl::SetSelection( long from, long to )
1317 {
1318 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1319
1320 if (from == -1 && to == -1)
1321 {
1322 from = 0;
1323 to = GetValue().Length();
1324 }
1325
1326 #ifndef __WXGTK20__
1327 if ( (m_windowStyle & wxTE_MULTILINE) &&
1328 !GTK_TEXT(m_text)->line_start_cache )
1329 {
1330 // tell the programmer that it didn't work
1331 wxLogDebug(_T("Can't call SetSelection() before realizing the control"));
1332 return;
1333 }
1334 #endif
1335
1336 if (m_windowStyle & wxTE_MULTILINE)
1337 {
1338 #ifdef __WXGTK20__
1339 GtkTextIter fromi, toi;
1340 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1341 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1342
1343 gtk_text_buffer_place_cursor( m_buffer, &toi );
1344 gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1345 #else
1346 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1347 #endif
1348 }
1349 else
1350 {
1351 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1352 }
1353 }
1354
1355 void wxTextCtrl::ShowPosition( long pos )
1356 {
1357 if (m_windowStyle & wxTE_MULTILINE)
1358 {
1359 #ifdef __WXGTK20__
1360 GtkTextIter iter;
1361 gtk_text_buffer_get_start_iter( m_buffer, &iter );
1362 gtk_text_iter_set_offset( &iter, pos );
1363 GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE );
1364 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
1365 #else // GTK 1.x
1366 GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
1367 float totalLines = (float) GetNumberOfLines();
1368 long posX;
1369 long posY;
1370 PositionToXY(pos, &posX, &posY);
1371 float posLine = (float) posY;
1372 float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
1373 gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
1374 #endif // GTK 1.x/2.x
1375 }
1376 }
1377
1378 #ifdef __WXGTK20__
1379
1380 wxTextCtrlHitTestResult
1381 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1382 {
1383 if ( !IsMultiLine() )
1384 {
1385 // not supported
1386 return wxTE_HT_UNKNOWN;
1387 }
1388
1389 int x, y;
1390 gtk_text_view_window_to_buffer_coords
1391 (
1392 GTK_TEXT_VIEW(m_text),
1393 GTK_TEXT_WINDOW_TEXT,
1394 pt.x, pt.y,
1395 &x, &y
1396 );
1397
1398 GtkTextIter iter;
1399 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1400 if ( pos )
1401 *pos = gtk_text_iter_get_offset(&iter);
1402
1403 return wxTE_HT_ON_TEXT;
1404 }
1405
1406 #endif // __WXGTK20__
1407
1408 long wxTextCtrl::GetInsertionPoint() const
1409 {
1410 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1411
1412 #ifdef __WXGTK20__
1413 if (m_windowStyle & wxTE_MULTILINE)
1414 {
1415 // There is no direct accessor for the cursor, but
1416 // internally, the cursor is the "mark" called
1417 // "insert" in the text view's btree structure.
1418
1419 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1420 GtkTextIter cursor;
1421 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1422
1423 return gtk_text_iter_get_offset( &cursor );
1424 }
1425 else
1426 #endif
1427 {
1428 return (long) GET_EDITABLE_POS(m_text);
1429 }
1430 }
1431
1432 wxTextPos wxTextCtrl::GetLastPosition() const
1433 {
1434 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1435
1436 int pos = 0;
1437
1438 if (m_windowStyle & wxTE_MULTILINE)
1439 {
1440 #ifdef __WXGTK20__
1441 GtkTextIter end;
1442 gtk_text_buffer_get_end_iter( m_buffer, &end );
1443
1444 pos = gtk_text_iter_get_offset( &end );
1445 #else
1446 pos = gtk_text_get_length( GTK_TEXT(m_text) );
1447 #endif
1448 }
1449 else
1450 {
1451 pos = GTK_ENTRY(m_text)->text_length;
1452 }
1453
1454 return (long)pos;
1455 }
1456
1457 void wxTextCtrl::Remove( long from, long to )
1458 {
1459 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1460
1461 #ifdef __WXGTK20__
1462 if (m_windowStyle & wxTE_MULTILINE)
1463 {
1464 GtkTextIter fromi, toi;
1465 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1466 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1467
1468 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1469 }
1470 else // single line
1471 #endif
1472 gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1473 }
1474
1475 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1476 {
1477 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1478
1479 Remove( from, to );
1480
1481 if (!value.empty())
1482 {
1483 #ifdef __WXGTK20__
1484 SetInsertionPoint( from );
1485 WriteText( value );
1486 #else // GTK 1.x
1487 gint pos = (gint)from;
1488 #if wxUSE_UNICODE
1489 wxWX2MBbuf buf = value.mbc_str();
1490 gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
1491 #else
1492 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
1493 #endif // wxUSE_UNICODE
1494 #endif // GTK 1.x/2.x
1495 }
1496 }
1497
1498 void wxTextCtrl::Cut()
1499 {
1500 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1501
1502 #ifdef __WXGTK20__
1503 if (m_windowStyle & wxTE_MULTILINE)
1504 g_signal_emit_by_name(m_text, "cut-clipboard");
1505 else
1506 #endif
1507 gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1508 }
1509
1510 void wxTextCtrl::Copy()
1511 {
1512 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1513
1514 #ifdef __WXGTK20__
1515 if (m_windowStyle & wxTE_MULTILINE)
1516 g_signal_emit_by_name(m_text, "copy-clipboard");
1517 else
1518 #endif
1519 gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1520 }
1521
1522 void wxTextCtrl::Paste()
1523 {
1524 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1525
1526 #ifdef __WXGTK20__
1527 if (m_windowStyle & wxTE_MULTILINE)
1528 g_signal_emit_by_name(m_text, "paste-clipboard");
1529 else
1530 #endif
1531 gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1532 }
1533
1534 // Undo/redo
1535 void wxTextCtrl::Undo()
1536 {
1537 // TODO
1538 wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1539 }
1540
1541 void wxTextCtrl::Redo()
1542 {
1543 // TODO
1544 wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1545 }
1546
1547 bool wxTextCtrl::CanUndo() const
1548 {
1549 // TODO
1550 //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1551 return false;
1552 }
1553
1554 bool wxTextCtrl::CanRedo() const
1555 {
1556 // TODO
1557 //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1558 return false;
1559 }
1560
1561 // If the return values from and to are the same, there is no
1562 // selection.
1563 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1564 {
1565 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1566
1567 gint from = -1;
1568 gint to = -1;
1569 bool haveSelection = false;
1570
1571 #ifdef __WXGTK20__
1572 if (m_windowStyle & wxTE_MULTILINE)
1573 {
1574 GtkTextIter ifrom, ito;
1575 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1576 {
1577 haveSelection = true;
1578 from = gtk_text_iter_get_offset(&ifrom);
1579 to = gtk_text_iter_get_offset(&ito);
1580 }
1581 }
1582 else // not multi-line
1583 {
1584 if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1585 &from, &to) )
1586 {
1587 haveSelection = true;
1588 }
1589 }
1590 #else // not GTK2
1591 if ( (GTK_EDITABLE(m_text)->has_selection) )
1592 {
1593 haveSelection = true;
1594 from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
1595 to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
1596 }
1597 #endif
1598
1599 if (! haveSelection )
1600 from = to = GetInsertionPoint();
1601
1602 if ( from > to )
1603 {
1604 // exchange them to be compatible with wxMSW
1605 gint tmp = from;
1606 from = to;
1607 to = tmp;
1608 }
1609
1610 if ( fromOut )
1611 *fromOut = from;
1612 if ( toOut )
1613 *toOut = to;
1614 }
1615
1616
1617 bool wxTextCtrl::IsEditable() const
1618 {
1619 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1620
1621 #ifdef __WXGTK20__
1622 if (m_windowStyle & wxTE_MULTILINE)
1623 {
1624 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1625 }
1626 else
1627 {
1628 return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1629 }
1630 #else
1631 return GTK_EDITABLE(m_text)->editable;
1632 #endif
1633 }
1634
1635 bool wxTextCtrl::IsModified() const
1636 {
1637 return m_modified;
1638 }
1639
1640 void wxTextCtrl::Clear()
1641 {
1642 SetValue( wxT("") );
1643 }
1644
1645 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1646 {
1647 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1648
1649 if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
1650 {
1651 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1652 event.SetEventObject(this);
1653 event.SetString(GetValue());
1654 if (GetEventHandler()->ProcessEvent(event)) return;
1655 }
1656
1657 if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
1658 {
1659 // This will invoke the dialog default action, such
1660 // as the clicking the default button.
1661
1662 wxWindow *top_frame = m_parent;
1663 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1664 top_frame = top_frame->GetParent();
1665
1666 if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1667 {
1668 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1669
1670 if (window->default_widget)
1671 {
1672 gtk_widget_activate (window->default_widget);
1673 return;
1674 }
1675 }
1676 }
1677
1678 key_event.Skip();
1679 }
1680
1681 GtkWidget* wxTextCtrl::GetConnectWidget()
1682 {
1683 return GTK_WIDGET(m_text);
1684 }
1685
1686 bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
1687 {
1688 if (m_windowStyle & wxTE_MULTILINE)
1689 {
1690 #ifdef __WXGTK20__
1691 return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork
1692 #else
1693 return (window == GTK_TEXT(m_text)->text_area);
1694 #endif
1695 }
1696 else
1697 {
1698 return (window == GTK_ENTRY(m_text)->text_area);
1699 }
1700 }
1701
1702 // the font will change for subsequent text insertiongs
1703 bool wxTextCtrl::SetFont( const wxFont &font )
1704 {
1705 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1706
1707 if ( !wxTextCtrlBase::SetFont(font) )
1708 {
1709 // font didn't change, nothing to do
1710 return false;
1711 }
1712
1713 if ( m_windowStyle & wxTE_MULTILINE )
1714 {
1715 SetUpdateFont(true);
1716
1717 m_defaultStyle.SetFont(font);
1718
1719 ChangeFontGlobally();
1720 }
1721
1722 return true;
1723 }
1724
1725 void wxTextCtrl::ChangeFontGlobally()
1726 {
1727 // this method is very inefficient and hence should be called as rarely as
1728 // possible!
1729 //
1730 // TODO: it can be implemented much more efficiently for GTK2
1731 #ifndef __WXGTK20__
1732 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
1733
1734 _T("shouldn't be called for single line controls") );
1735 #else
1736 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE),
1737 _T("shouldn't be called for single line controls") );
1738 #endif
1739
1740 wxString value = GetValue();
1741 if ( !value.empty() )
1742 {
1743 SetUpdateFont(false);
1744
1745 Clear();
1746 AppendText(value);
1747 }
1748 }
1749
1750 #ifndef __WXGTK20__
1751
1752 void wxTextCtrl::UpdateFontIfNeeded()
1753 {
1754 if ( m_updateFont )
1755 ChangeFontGlobally();
1756 }
1757
1758 #endif // GTK+ 1.x
1759
1760 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1761 {
1762 if ( !wxControl::SetForegroundColour(colour) )
1763 return false;
1764
1765 // update default fg colour too
1766 m_defaultStyle.SetTextColour(colour);
1767
1768 return true;
1769 }
1770
1771 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1772 {
1773 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1774
1775 if ( !wxControl::SetBackgroundColour( colour ) )
1776 return false;
1777
1778 #ifndef __WXGTK20__
1779 if (!m_widget->window)
1780 return false;
1781 #endif
1782
1783 if (!m_backgroundColour.Ok())
1784 return false;
1785
1786 if (m_windowStyle & wxTE_MULTILINE)
1787 {
1788 #ifndef __WXGTK20__
1789 GdkWindow *window = GTK_TEXT(m_text)->text_area;
1790 if (!window)
1791 return false;
1792 m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
1793 gdk_window_set_background( window, m_backgroundColour.GetColor() );
1794 gdk_window_clear( window );
1795 #endif
1796 }
1797
1798 // change active background color too
1799 m_defaultStyle.SetBackgroundColour( colour );
1800
1801 return true;
1802 }
1803
1804 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1805 {
1806 if ( m_windowStyle & wxTE_MULTILINE )
1807 {
1808 if ( style.IsDefault() )
1809 {
1810 // nothing to do
1811 return true;
1812 }
1813 #ifdef __WXGTK20__
1814 gint l = gtk_text_buffer_get_char_count( m_buffer );
1815
1816 wxCHECK_MSG( start >= 0 && end <= l, false,
1817 _T("invalid range in wxTextCtrl::SetStyle") );
1818
1819 GtkTextIter starti, endi;
1820 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1821 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1822
1823 // use the attributes from style which are set in it and fall back
1824 // first to the default style and then to the text control default
1825 // colours for the others
1826 wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1827
1828 wxGtkTextApplyTagsFromAttr( m_buffer, attr, &starti, &endi );
1829
1830 return true;
1831 #else
1832 // VERY dirty way to do that - removes the required text and re-adds it
1833 // with styling (FIXME)
1834
1835 gint l = gtk_text_get_length( GTK_TEXT(m_text) );
1836
1837 wxCHECK_MSG( start >= 0 && end <= l, false,
1838 _T("invalid range in wxTextCtrl::SetStyle") );
1839
1840 gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
1841 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
1842 wxString tmp(text,*wxConvCurrent);
1843 g_free( text );
1844
1845 gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
1846 gtk_editable_set_position( GTK_EDITABLE(m_text), start );
1847
1848 #if wxUSE_UNICODE
1849 wxWX2MBbuf buf = tmp.mbc_str();
1850 const char *txt = buf;
1851 size_t txtlen = strlen(buf);
1852 #else
1853 const char *txt = tmp;
1854 size_t txtlen = tmp.length();
1855 #endif
1856
1857 // use the attributes from style which are set in it and fall back
1858 // first to the default style and then to the text control default
1859 // colours for the others
1860 wxGtkTextInsert(m_text,
1861 wxTextAttr::Combine(style, m_defaultStyle, this),
1862 txt,
1863 txtlen);
1864
1865 /* does not seem to help under GTK+ 1.2 !!!
1866 gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
1867 SetInsertionPoint( old_pos );
1868 #endif
1869 return true;
1870 }
1871 else // singe line
1872 {
1873 // cannot do this for GTK+'s Entry widget
1874 return false;
1875 }
1876 }
1877
1878 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1879 {
1880 gtk_widget_modify_style(m_text, style);
1881 }
1882
1883 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1884 {
1885 Cut();
1886 }
1887
1888 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1889 {
1890 Copy();
1891 }
1892
1893 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1894 {
1895 Paste();
1896 }
1897
1898 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1899 {
1900 Undo();
1901 }
1902
1903 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1904 {
1905 Redo();
1906 }
1907
1908 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1909 {
1910 event.Enable( CanCut() );
1911 }
1912
1913 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1914 {
1915 event.Enable( CanCopy() );
1916 }
1917
1918 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1919 {
1920 event.Enable( CanPaste() );
1921 }
1922
1923 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1924 {
1925 event.Enable( CanUndo() );
1926 }
1927
1928 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1929 {
1930 event.Enable( CanRedo() );
1931 }
1932
1933 void wxTextCtrl::OnInternalIdle()
1934 {
1935 wxCursor cursor = m_cursor;
1936 if (g_globalCursor.Ok()) cursor = g_globalCursor;
1937
1938 if (cursor.Ok())
1939 {
1940 #ifndef __WXGTK20__
1941 GdkWindow *window = (GdkWindow*) NULL;
1942 if (HasFlag(wxTE_MULTILINE))
1943 window = GTK_TEXT(m_text)->text_area;
1944 else
1945 window = GTK_ENTRY(m_text)->text_area;
1946
1947 if (window)
1948 gdk_window_set_cursor( window, cursor.GetCursor() );
1949
1950 if (!g_globalCursor.Ok())
1951 cursor = *wxSTANDARD_CURSOR;
1952
1953 window = m_widget->window;
1954 if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
1955 gdk_window_set_cursor( window, cursor.GetCursor() );
1956 #endif
1957 }
1958
1959 if (g_delayedFocus == this)
1960 {
1961 if (GTK_WIDGET_REALIZED(m_widget))
1962 {
1963 gtk_widget_grab_focus( m_widget );
1964 g_delayedFocus = NULL;
1965 }
1966 }
1967
1968 if (wxUpdateUIEvent::CanUpdate(this))
1969 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1970 }
1971
1972 wxSize wxTextCtrl::DoGetBestSize() const
1973 {
1974 // FIXME should be different for multi-line controls...
1975 wxSize ret( wxControl::DoGetBestSize() );
1976 wxSize best(80, ret.y);
1977 CacheBestSize(best);
1978 return best;
1979 }
1980
1981 // ----------------------------------------------------------------------------
1982 // freeze/thaw
1983 // ----------------------------------------------------------------------------
1984
1985 void wxTextCtrl::Freeze()
1986 {
1987 if ( HasFlag(wxTE_MULTILINE) )
1988 {
1989 #ifdef __WXGTK20__
1990 if ( !m_frozenness++ )
1991 {
1992 // freeze textview updates and remove buffer
1993 g_signal_connect( G_OBJECT(m_text), "expose_event",
1994 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
1995 g_signal_connect( G_OBJECT(m_widget), "expose_event",
1996 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
1997 gtk_widget_set_sensitive(m_widget, false);
1998 g_object_ref(m_buffer);
1999 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL));
2000 }
2001 #else
2002 gtk_text_freeze(GTK_TEXT(m_text));
2003 #endif
2004 }
2005 }
2006
2007 void wxTextCtrl::Thaw()
2008 {
2009 if ( HasFlag(wxTE_MULTILINE) )
2010 {
2011 #ifdef __WXGTK20__
2012 wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") );
2013
2014 if ( !--m_frozenness )
2015 {
2016 // Reattach buffer and thaw textview updates
2017 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
2018 g_object_unref(m_buffer);
2019 gtk_widget_set_sensitive(m_widget, true);
2020 g_signal_handlers_disconnect_by_func(m_widget, (gpointer)gtk_text_exposed_callback, this);
2021 g_signal_handlers_disconnect_by_func(m_text, (gpointer)gtk_text_exposed_callback, this);
2022 }
2023 #else
2024 GTK_TEXT(m_text)->vadj->value = 0.0;
2025
2026 gtk_text_thaw(GTK_TEXT(m_text));
2027 #endif
2028 }
2029 }
2030
2031 // ----------------------------------------------------------------------------
2032 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
2033 // ----------------------------------------------------------------------------
2034
2035 #ifdef __WXGTK20__
2036
2037 // FIXME: when dragging on a link the sample gets an "Unknown event".
2038 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
2039 // a buggy sample, or something else
2040 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
2041 {
2042 event.Skip();
2043 if(!(m_windowStyle & wxTE_AUTO_URL))
2044 return;
2045
2046 gint x, y;
2047 GtkTextIter start, end;
2048 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
2049 "wxUrl");
2050
2051 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
2052 event.GetX(), event.GetY(), &x, &y);
2053
2054 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
2055 if (!gtk_text_iter_has_tag(&end, tag))
2056 {
2057 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
2058 GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
2059 return;
2060 }
2061
2062 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
2063 GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
2064
2065 start = end;
2066 if(!gtk_text_iter_begins_tag(&start, tag))
2067 gtk_text_iter_backward_to_tag_toggle(&start, tag);
2068 if(!gtk_text_iter_ends_tag(&end, tag))
2069 gtk_text_iter_forward_to_tag_toggle(&end, tag);
2070
2071 // Native context menu is probably not desired on an URL.
2072 // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
2073 if(event.GetEventType() == wxEVT_RIGHT_DOWN)
2074 event.Skip(false);
2075
2076 wxTextUrlEvent url_event(m_windowId, event,
2077 gtk_text_iter_get_offset(&start),
2078 gtk_text_iter_get_offset(&end));
2079
2080 InitCommandEvent(url_event);
2081 // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
2082 //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
2083 GetEventHandler()->ProcessEvent(url_event);
2084 }
2085 #endif // gtk2
2086
2087 // ----------------------------------------------------------------------------
2088 // scrolling
2089 // ----------------------------------------------------------------------------
2090
2091 GtkAdjustment *wxTextCtrl::GetVAdj() const
2092 {
2093 if ( !IsMultiLine() )
2094 return NULL;
2095
2096 #ifdef __WXGTK20__
2097 return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
2098 #else
2099 return GTK_TEXT(m_text)->vadj;
2100 #endif
2101 }
2102
2103 bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
2104 {
2105 float value = adj->value + diff;
2106
2107 if ( value < 0 )
2108 value = 0;
2109
2110 float upper = adj->upper - adj->page_size;
2111 if ( value > upper )
2112 value = upper;
2113
2114 // did we noticeably change the scroll position?
2115 if ( fabs(adj->value - value) < 0.2 )
2116 {
2117 // well, this is what Robert does in wxScrollBar, so it must be good...
2118 return false;
2119 }
2120
2121 adj->value = value;
2122
2123 #ifdef __WXGTK20__
2124 gtk_adjustment_value_changed(GTK_ADJUSTMENT(adj));
2125 #else
2126 gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
2127 #endif
2128
2129 return true;
2130 }
2131
2132 bool wxTextCtrl::ScrollLines(int lines)
2133 {
2134 GtkAdjustment *adj = GetVAdj();
2135 if ( !adj )
2136 return false;
2137
2138 #ifdef __WXGTK20__
2139 int diff = (int)ceil(lines*adj->step_increment);
2140 #else
2141 // this is hardcoded to 10 in GTK+ 1.2 (great idea)
2142 int diff = 10*lines;
2143 #endif
2144
2145 return DoScroll(adj, diff);
2146 }
2147
2148 bool wxTextCtrl::ScrollPages(int pages)
2149 {
2150 GtkAdjustment *adj = GetVAdj();
2151 if ( !adj )
2152 return false;
2153
2154 return DoScroll(adj, (int)ceil(pages*adj->page_increment));
2155 }
2156
2157
2158 // static
2159 wxVisualAttributes
2160 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
2161 {
2162 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
2163 }
wxWidgets (Impactor)