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[wxGTK2] multiline wxTextCtrl: Implement XYToPosition, PositionToXY and GetLineLength...
[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 wxCursor g_globalCursor;
46 extern wxWindowGTK *g_delayedFocus;
47
48 // ----------------------------------------------------------------------------
49 // helpers
50 // ----------------------------------------------------------------------------
51
52 #ifdef __WXGTK20__
53 extern "C" {
54 static void wxGtkOnRemoveTag(GtkTextBuffer *buffer,
55 GtkTextTag *tag,
56 GtkTextIter *start,
57 GtkTextIter *end,
58 gpointer user_data)
59 {
60 gchar *name;
61 g_object_get (tag, "name", &name, NULL);
62
63 if (!name || strncmp(name, "WX", 2)) // anonymous tag or not starting with "WX"
64 g_signal_stop_emission_by_name(buffer, "remove_tag");
65
66 g_free(name);
67 }
68 }
69
70 extern "C" {
71 static void wxGtkTextApplyTagsFromAttr(GtkTextBuffer *text_buffer,
72 const wxTextAttr& attr,
73 GtkTextIter *start,
74 GtkTextIter *end)
75 {
76 static gchar buf[1024];
77 GtkTextTag *tag;
78
79 gulong remove_handler_id = g_signal_connect( text_buffer, "remove_tag",
80 G_CALLBACK(wxGtkOnRemoveTag), NULL);
81 gtk_text_buffer_remove_all_tags(text_buffer, start, end);
82 g_signal_handler_disconnect( text_buffer, remove_handler_id );
83
84 if (attr.HasFont())
85 {
86 char *font_string;
87 PangoFontDescription *font_description = attr.GetFont().GetNativeFontInfo()->description;
88 font_string = pango_font_description_to_string(font_description);
89 g_snprintf(buf, sizeof(buf), "WXFONT %s", font_string);
90 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
91 buf );
92 if (!tag)
93 tag = gtk_text_buffer_create_tag( text_buffer, buf,
94 "font-desc", font_description,
95 NULL );
96 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
97 g_free (font_string);
98 }
99
100 if (attr.HasTextColour())
101 {
102 GdkColor *colFg = attr.GetTextColour().GetColor();
103 g_snprintf(buf, sizeof(buf), "WXFORECOLOR %d %d %d",
104 colFg->red, colFg->green, colFg->blue);
105 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
106 buf );
107 if (!tag)
108 tag = gtk_text_buffer_create_tag( text_buffer, buf,
109 "foreground-gdk", colFg, NULL );
110 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
111 }
112
113 if (attr.HasBackgroundColour())
114 {
115 GdkColor *colBg = attr.GetBackgroundColour().GetColor();
116 g_snprintf(buf, sizeof(buf), "WXBACKCOLOR %d %d %d",
117 colBg->red, colBg->green, colBg->blue);
118 tag = gtk_text_tag_table_lookup( gtk_text_buffer_get_tag_table( text_buffer ),
119 buf );
120 if (!tag)
121 tag = gtk_text_buffer_create_tag( text_buffer, buf,
122 "background-gdk", colBg, NULL );
123 gtk_text_buffer_apply_tag (text_buffer, tag, start, end);
124 }
125 }
126 }
127
128 extern "C" {
129 static void wxGtkTextInsert(GtkWidget *text,
130 GtkTextBuffer *text_buffer,
131 const wxTextAttr& attr,
132 wxCharBuffer buffer)
133
134 {
135 gint start_offset;
136 GtkTextIter iter, start;
137
138 gtk_text_buffer_get_iter_at_mark( text_buffer, &iter,
139 gtk_text_buffer_get_insert (text_buffer) );
140 start_offset = gtk_text_iter_get_offset (&iter);
141 gtk_text_buffer_insert( text_buffer, &iter, buffer, strlen(buffer) );
142
143 gtk_text_buffer_get_iter_at_offset (text_buffer, &start, start_offset);
144
145 wxGtkTextApplyTagsFromAttr(text_buffer, attr, &start, &iter);
146 }
147 }
148 #else
149 extern "C" {
150 static void wxGtkTextInsert(GtkWidget *text,
151 const wxTextAttr& attr,
152 const char *txt,
153 size_t len)
154 {
155 GdkFont *font = attr.HasFont() ? attr.GetFont().GetInternalFont()
156 : NULL;
157
158 GdkColor *colFg = attr.HasTextColour() ? attr.GetTextColour().GetColor()
159 : NULL;
160
161 GdkColor *colBg = attr.HasBackgroundColour()
162 ? attr.GetBackgroundColour().GetColor()
163 : NULL;
164
165 gtk_text_insert( GTK_TEXT(text), font, colFg, colBg, txt, len );
166 }
167 }
168 #endif // GTK 1.x
169
170 // ----------------------------------------------------------------------------
171 // "insert_text" for GtkEntry
172 // ----------------------------------------------------------------------------
173
174 extern "C" {
175 static void
176 gtk_insert_text_callback(GtkEditable *editable,
177 const gchar *new_text,
178 gint new_text_length,
179 gint *position,
180 wxTextCtrl *win)
181 {
182 if (g_isIdle)
183 wxapp_install_idle_handler();
184
185 // we should only be called if we have a max len limit at all
186 GtkEntry *entry = GTK_ENTRY (editable);
187
188 wxCHECK_RET( entry->text_max_length, _T("shouldn't be called") );
189
190 // check that we don't overflow the max length limit
191 //
192 // FIXME: this doesn't work when we paste a string which is going to be
193 // truncated
194 if ( entry->text_length == entry->text_max_length )
195 {
196 // we don't need to run the base class version at all
197 gtk_signal_emit_stop_by_name(GTK_OBJECT(editable), "insert_text");
198
199 // remember that the next changed signal is to be ignored to avoid
200 // generating a dummy wxEVT_COMMAND_TEXT_UPDATED event
201 win->IgnoreNextTextUpdate();
202
203 // and generate the correct one ourselves
204 wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, win->GetId());
205 event.SetEventObject(win);
206 event.SetString(win->GetValue());
207 win->GetEventHandler()->ProcessEvent( event );
208 }
209 }
210 }
211
212 #ifdef __WXGTK20__
213 // Implementation of wxTE_AUTO_URL for wxGTK2 by Mart Raudsepp,
214
215 extern "C" {
216 static void
217 au_apply_tag_callback(GtkTextBuffer *buffer,
218 GtkTextTag *tag,
219 GtkTextIter *start,
220 GtkTextIter *end,
221 gpointer textctrl)
222 {
223 if(tag == gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl"))
224 g_signal_stop_emission_by_name(buffer, "apply_tag");
225 }
226 }
227
228 //-----------------------------------------------------------------------------
229 // GtkTextCharPredicates for gtk_text_iter_*_find_char
230 //-----------------------------------------------------------------------------
231
232 extern "C" {
233 static gboolean
234 pred_whitespace (gunichar ch, gpointer user_data)
235 {
236 return g_unichar_isspace(ch);
237 }
238 }
239
240 extern "C" {
241 static gboolean
242 pred_non_whitespace (gunichar ch, gpointer user_data)
243 {
244 return !g_unichar_isspace(ch);
245 }
246 }
247
248 extern "C" {
249 static gboolean
250 pred_nonpunct (gunichar ch, gpointer user_data)
251 {
252 return !g_unichar_ispunct(ch);
253 }
254 }
255
256 extern "C" {
257 static gboolean
258 pred_nonpunct_or_slash (gunichar ch, gpointer user_data)
259 {
260 return !g_unichar_ispunct(ch) || ch == '/';
261 }
262 }
263
264 //-----------------------------------------------------------------------------
265 // Check for links between s and e and correct tags as necessary
266 //-----------------------------------------------------------------------------
267
268 // This function should be made match better while being efficient at one point.
269 // Most probably with a row of regular expressions.
270 extern "C" {
271 static void
272 au_check_word( GtkTextIter *s, GtkTextIter *e )
273 {
274 static const char *URIPrefixes[] =
275 {
276 "http://",
277 "ftp://",
278 "www.",
279 "ftp.",
280 "mailto://",
281 "https://",
282 "file://",
283 "nntp://",
284 "news://",
285 "telnet://",
286 "mms://",
287 "gopher://",
288 "prospero://",
289 "wais://",
290 };
291
292 GtkTextIter start = *s, end = *e;
293 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
294
295 // Get our special link tag
296 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
297
298 // Get rid of punctuation from beginning and end.
299 // Might want to move this to au_check_range if an improved link checking doesn't
300 // use some intelligent punctuation checking itself (beware of undesired iter modifications).
301 if(g_unichar_ispunct( gtk_text_iter_get_char( &start ) ) )
302 gtk_text_iter_forward_find_char( &start, pred_nonpunct, NULL, e );
303
304 gtk_text_iter_backward_find_char( &end, pred_nonpunct_or_slash, NULL, &start );
305 gtk_text_iter_forward_char(&end);
306
307 gchar* text = gtk_text_iter_get_text( &start, &end );
308 size_t len = strlen(text), prefix_len;
309 size_t n;
310
311 for( n = 0; n < WXSIZEOF(URIPrefixes); ++n )
312 {
313 prefix_len = strlen(URIPrefixes[n]);
314 if((len > prefix_len) && !strncasecmp(text, URIPrefixes[n], prefix_len))
315 break;
316 }
317
318 if(n < WXSIZEOF(URIPrefixes))
319 {
320 gulong signal_id = g_signal_handler_find(buffer,
321 (GSignalMatchType) (G_SIGNAL_MATCH_FUNC),
322 0, 0, NULL,
323 (gpointer)au_apply_tag_callback, NULL);
324
325 g_signal_handler_block(buffer, signal_id);
326 gtk_text_buffer_apply_tag(buffer, tag, &start, &end);
327 g_signal_handler_unblock(buffer, signal_id);
328 }
329 }
330 }
331
332 extern "C" {
333 static void
334 au_check_range(GtkTextIter *s,
335 GtkTextIter *range_end)
336 {
337 GtkTextIter range_start = *s;
338 GtkTextIter word_end;
339 GtkTextBuffer *buffer = gtk_text_iter_get_buffer(s);
340 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(buffer), "wxUrl");
341
342 gtk_text_buffer_remove_tag(buffer, tag, s, range_end);
343
344 if(g_unichar_isspace(gtk_text_iter_get_char(&range_start)))
345 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
346
347 while(!gtk_text_iter_equal(&range_start, range_end))
348 {
349 word_end = range_start;
350 gtk_text_iter_forward_find_char(&word_end, pred_whitespace, NULL, range_end);
351
352 // Now we should have a word delimited by range_start and word_end, correct link tags
353 au_check_word(&range_start, &word_end);
354
355 range_start = word_end;
356 gtk_text_iter_forward_find_char(&range_start, pred_non_whitespace, NULL, range_end);
357 }
358 }
359 }
360
361 //-----------------------------------------------------------------------------
362 // "insert-text" for GtkTextBuffer
363 //-----------------------------------------------------------------------------
364
365 extern "C" {
366 static void
367 au_insert_text_callback(GtkTextBuffer *buffer,
368 GtkTextIter *end,
369 gchar *text,
370 gint len,
371 wxTextCtrl *win)
372 {
373 if (!len || !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
374 return;
375
376 GtkTextIter start = *end;
377 gtk_text_iter_backward_chars(&start, g_utf8_strlen(text, len));
378
379 GtkTextIter line_start = start;
380 GtkTextIter line_end = *end;
381 GtkTextIter words_start = start;
382 GtkTextIter words_end = *end;
383
384 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(&start));
385 gtk_text_iter_forward_to_line_end(&line_end);
386 gtk_text_iter_backward_find_char(&words_start, pred_whitespace, NULL, &line_start);
387 gtk_text_iter_forward_find_char(&words_end, pred_whitespace, NULL, &line_end);
388
389 au_check_range(&words_start, &words_end);
390 }
391 }
392
393 //-----------------------------------------------------------------------------
394 // "delete-range" for GtkTextBuffer
395 //-----------------------------------------------------------------------------
396
397 extern "C" {
398 static void
399 au_delete_range_callback(GtkTextBuffer *buffer,
400 GtkTextIter *start,
401 GtkTextIter *end,
402 wxTextCtrl *win)
403 {
404 if( !(win->GetWindowStyleFlag() & wxTE_AUTO_URL) )
405 return;
406
407 GtkTextIter line_start = *start, line_end = *end;
408
409 gtk_text_iter_set_line(&line_start, gtk_text_iter_get_line(start));
410 gtk_text_iter_forward_to_line_end(&line_end);
411 gtk_text_iter_backward_find_char(start, pred_whitespace, NULL, &line_start);
412 gtk_text_iter_forward_find_char(end, pred_whitespace, NULL, &line_end);
413
414 au_check_range(start, end);
415 }
416 }
417
418
419 #endif
420
421 //-----------------------------------------------------------------------------
422 // "changed"
423 //-----------------------------------------------------------------------------
424
425 extern "C" {
426 static void
427 gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
428 {
429 if ( win->IgnoreTextUpdate() )
430 return;
431
432 if (!win->m_hasVMT) return;
433
434 if (g_isIdle)
435 wxapp_install_idle_handler();
436
437 win->SetModified();
438 #ifndef __WXGTK20__
439 win->UpdateFontIfNeeded();
440 #endif // !__WXGTK20__
441
442 wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
443 event.SetEventObject( win );
444 win->GetEventHandler()->ProcessEvent( event );
445 }
446 }
447
448 //-----------------------------------------------------------------------------
449 // "expose_event" from scrolled window and textview
450 //-----------------------------------------------------------------------------
451
452 #ifdef __WXGTK20__
453 extern "C" {
454 static gboolean
455 gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
456 {
457 return TRUE;
458 }
459 }
460 #endif
461
462 //-----------------------------------------------------------------------------
463 // "changed" from vertical scrollbar
464 //-----------------------------------------------------------------------------
465
466 #ifndef __WXGTK20__
467 extern "C" {
468 static void
469 gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
470 {
471 if (!win->m_hasVMT) return;
472
473 if (g_isIdle)
474 wxapp_install_idle_handler();
475
476 win->CalculateScrollbar();
477 }
478 }
479 #endif
480
481 // ----------------------------------------------------------------------------
482 // redraw callback for multiline text
483 // ----------------------------------------------------------------------------
484
485 #ifndef __WXGTK20__
486
487 // redrawing a GtkText from inside a wxYield() call results in crashes (the
488 // text sample shows it in its "Add lines" command which shows wxProgressDialog
489 // which implicitly calls wxYield()) so we override GtkText::draw() and simply
490 // don't do anything if we're inside wxYield()
491
492 extern bool wxIsInsideYield;
493
494 extern "C" {
495 typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect);
496 }
497
498 static GtkDrawCallback gs_gtk_text_draw = NULL;
499
500 extern "C" {
501 static void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect)
502 {
503 if ( !wxIsInsideYield )
504 {
505 wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw,
506 _T("infinite recursion in wxgtk_text_draw aborted") );
507
508 gs_gtk_text_draw(widget, rect);
509 }
510 }
511 }
512
513 #endif // __WXGTK20__
514
515 //-----------------------------------------------------------------------------
516 // wxTextCtrl
517 //-----------------------------------------------------------------------------
518
519 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
520
521 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
522 EVT_CHAR(wxTextCtrl::OnChar)
523
524 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
525 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
526 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
527 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
528 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
529
530 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
531 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
532 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
533 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
534 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
535
536 #ifdef __WXGTK20__
537 // wxTE_AUTO_URL wxTextUrl support. Currently only creates
538 // wxTextUrlEvent in the same cases as wxMSW, more can be added here.
539 EVT_MOTION (wxTextCtrl::OnUrlMouseEvent)
540 EVT_LEFT_DOWN (wxTextCtrl::OnUrlMouseEvent)
541 EVT_LEFT_UP (wxTextCtrl::OnUrlMouseEvent)
542 EVT_LEFT_DCLICK (wxTextCtrl::OnUrlMouseEvent)
543 EVT_RIGHT_DOWN (wxTextCtrl::OnUrlMouseEvent)
544 EVT_RIGHT_UP (wxTextCtrl::OnUrlMouseEvent)
545 EVT_RIGHT_DCLICK(wxTextCtrl::OnUrlMouseEvent)
546 #endif
547 END_EVENT_TABLE()
548
549 void wxTextCtrl::Init()
550 {
551 m_ignoreNextUpdate =
552 m_modified = false;
553 SetUpdateFont(false);
554 m_text =
555 m_vScrollbar = (GtkWidget *)NULL;
556 #ifdef __WXGTK20__
557 m_frozenness = 0;
558 m_gdkHandCursor = NULL;
559 m_gdkXTermCursor = NULL;
560 #endif
561 }
562
563 wxTextCtrl::~wxTextCtrl()
564 {
565 #ifdef __WXGTK20__
566 if(m_gdkHandCursor)
567 gdk_cursor_unref(m_gdkHandCursor);
568 if(m_gdkXTermCursor)
569 gdk_cursor_unref(m_gdkXTermCursor);
570 #endif
571 }
572
573 wxTextCtrl::wxTextCtrl( wxWindow *parent,
574 wxWindowID id,
575 const wxString &value,
576 const wxPoint &pos,
577 const wxSize &size,
578 long style,
579 const wxValidator& validator,
580 const wxString &name )
581 {
582 Init();
583
584 Create( parent, id, value, pos, size, style, validator, name );
585 }
586
587 bool wxTextCtrl::Create( wxWindow *parent,
588 wxWindowID id,
589 const wxString &value,
590 const wxPoint &pos,
591 const wxSize &size,
592 long style,
593 const wxValidator& validator,
594 const wxString &name )
595 {
596 m_needParent = true;
597 m_acceptsFocus = true;
598
599 if (!PreCreation( parent, pos, size ) ||
600 !CreateBase( parent, id, pos, size, style, validator, name ))
601 {
602 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
603 return false;
604 }
605
606
607 m_vScrollbarVisible = false;
608
609 bool multi_line = (style & wxTE_MULTILINE) != 0;
610
611 if (multi_line)
612 {
613 #ifdef __WXGTK20__
614 // Create view
615 m_text = gtk_text_view_new();
616
617 m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
618
619 // create scrolled window
620 m_widget = gtk_scrolled_window_new( NULL, NULL );
621 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
622 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
623
624 // Insert view into scrolled window
625 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
626
627 // translate wx wrapping style to GTK+
628 GtkWrapMode wrap;
629 if ( HasFlag( wxTE_DONTWRAP ) )
630 wrap = GTK_WRAP_NONE;
631 else if ( HasFlag( wxTE_CHARWRAP ) )
632 wrap = GTK_WRAP_CHAR;
633 else if ( HasFlag( wxTE_WORDWRAP ) )
634 wrap = GTK_WRAP_WORD;
635 else // HasFlag(wxTE_BESTWRAP) always true as wxTE_BESTWRAP == 0
636 {
637 // GTK_WRAP_WORD_CHAR seems to be new in GTK+ 2.4
638 #ifdef __WXGTK24__
639 if ( !gtk_check_version(2,4,0) )
640 {
641 wrap = GTK_WRAP_WORD_CHAR;
642 }
643 else
644 #endif
645 wrap = GTK_WRAP_WORD;
646 }
647
648 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), wrap );
649
650 if (!HasFlag(wxNO_BORDER))
651 gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
652
653 gtk_widget_add_events( GTK_WIDGET(m_text), GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK );
654
655 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
656 #else // GTK+ 1
657 // create our control ...
658 m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
659
660 // ... and put into the upper left hand corner of the table
661 bool bHasHScrollbar = false;
662 m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
663 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
664 gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
665 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
666 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
667 0, 0);
668
669 // always wrap words
670 gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
671
672 // finally, put the vertical scrollbar in the upper right corner
673 m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
674 GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
675 gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
676 GTK_FILL,
677 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
678 0, 0);
679 #endif // GTK+ 2/1
680 }
681 else
682 {
683 // a single-line text control: no need for scrollbars
684 m_widget =
685 m_text = gtk_entry_new();
686
687 #ifdef __WXGTK20__
688 if (style & wxNO_BORDER)
689 g_object_set( GTK_ENTRY(m_text), "has-frame", FALSE, NULL );
690 #endif
691 }
692
693 m_parent->DoAddChild( this );
694
695 m_focusWidget = m_text;
696
697 PostCreation(size);
698
699 if (multi_line)
700 gtk_widget_show(m_text);
701
702 #ifndef __WXGTK20__
703 if (multi_line)
704 {
705 gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
706 (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
707
708 // only initialize gs_gtk_text_draw once, starting from the next the
709 // klass::draw will already be wxgtk_text_draw
710 if ( !gs_gtk_text_draw )
711 {
712 GtkDrawCallback&
713 draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw;
714
715 gs_gtk_text_draw = draw;
716
717 draw = wxgtk_text_draw;
718 }
719 }
720 #endif // GTK+ 1.x
721
722 if (!value.empty())
723 {
724 #ifdef __WXGTK20__
725 SetValue( value );
726 #else
727
728 #if !GTK_CHECK_VERSION(1, 2, 0)
729 // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
730 // gtk_editable_insert_text()
731 gtk_widget_realize(m_text);
732 #endif // GTK 1.0
733
734 gint tmp = 0;
735 #if wxUSE_UNICODE
736 wxWX2MBbuf val = value.mbc_str();
737 gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
738 #else
739 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
740 #endif
741
742 if (multi_line)
743 {
744 // Bring editable's cursor uptodate. Bug in GTK.
745 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
746 }
747
748 #endif
749 }
750
751 if (style & wxTE_PASSWORD)
752 {
753 if (!multi_line)
754 gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
755 }
756
757 if (style & wxTE_READONLY)
758 {
759 if (!multi_line)
760 gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
761 #ifdef __WXGTK20__
762 else
763 gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
764 #else
765 }
766 else
767 {
768 if (multi_line)
769 gtk_text_set_editable( GTK_TEXT(m_text), 1 );
770 #endif
771 }
772
773 #ifdef __WXGTK20__
774 if (multi_line)
775 {
776 if (style & wxTE_RIGHT)
777 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT );
778 else if (style & wxTE_CENTRE)
779 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER );
780 // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT
781 }
782 else
783 {
784 #ifdef __WXGTK24__
785 // gtk_entry_set_alignment was introduced in gtk+-2.3.5
786 if (!gtk_check_version(2,4,0))
787 {
788 if (style & wxTE_RIGHT)
789 gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 );
790 else if (style & wxTE_CENTRE)
791 gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 );
792 }
793 #endif
794 }
795 #endif // __WXGTK20__
796
797 // We want to be notified about text changes.
798 #ifdef __WXGTK20__
799 if (multi_line)
800 {
801 g_signal_connect( G_OBJECT(m_buffer), "changed",
802 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
803
804 // .. and handle URLs on multi-line controls with wxTE_AUTO_URL style
805 if (style & wxTE_AUTO_URL)
806 {
807 GtkTextIter start, end;
808 m_gdkHandCursor = gdk_cursor_new(GDK_HAND2);
809 m_gdkXTermCursor = gdk_cursor_new(GDK_XTERM);
810
811 // We create our wxUrl tag here for slight efficiency gain - we
812 // don't have to check for the tag existance in callbacks,
813 // hereby it's guaranteed to exist.
814 gtk_text_buffer_create_tag(m_buffer, "wxUrl",
815 "foreground", "blue",
816 "underline", PANGO_UNDERLINE_SINGLE,
817 NULL);
818
819 // Check for URLs after each text change
820 g_signal_connect_after( G_OBJECT(m_buffer), "insert_text",
821 GTK_SIGNAL_FUNC(au_insert_text_callback), (gpointer)this);
822 g_signal_connect_after( G_OBJECT(m_buffer), "delete_range",
823 GTK_SIGNAL_FUNC(au_delete_range_callback), (gpointer)this);
824
825 // Block all wxUrl tag applying unless we do it ourselves, in which case we
826 // block this callback temporarily. This takes care of gtk+ internal
827 // gtk_text_buffer_insert_range* calls that would copy our URL tag otherwise,
828 // which is undesired because only a part of the URL might be copied.
829 // The insert-text signal emitted inside it will take care of newly formed
830 // or wholly copied URLs.
831 g_signal_connect( G_OBJECT(m_buffer), "apply_tag",
832 GTK_SIGNAL_FUNC(au_apply_tag_callback), NULL);
833
834 // Check for URLs in the initial string passed to Create
835 gtk_text_buffer_get_start_iter(m_buffer, &start);
836 gtk_text_buffer_get_end_iter(m_buffer, &end);
837 au_check_range(&start, &end);
838 }
839 }
840 else
841 #endif
842
843 {
844 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
845 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
846 }
847
848 m_cursor = wxCursor( wxCURSOR_IBEAM );
849
850 wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
851 SetDefaultStyle( attrDef );
852
853 return true;
854 }
855
856
857 void wxTextCtrl::CalculateScrollbar()
858 {
859 #ifndef __WXGTK20__
860 if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
861
862 GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
863
864 if (adj->upper - adj->page_size < 0.8)
865 {
866 if (m_vScrollbarVisible)
867 {
868 gtk_widget_hide( m_vScrollbar );
869 m_vScrollbarVisible = false;
870 }
871 }
872 else
873 {
874 if (!m_vScrollbarVisible)
875 {
876 gtk_widget_show( m_vScrollbar );
877 m_vScrollbarVisible = true;
878 }
879 }
880 #endif
881 }
882
883 wxString wxTextCtrl::GetValue() const
884 {
885 wxCHECK_MSG( m_text != NULL, wxEmptyString, wxT("invalid text ctrl") );
886
887 wxString tmp;
888 if (m_windowStyle & wxTE_MULTILINE)
889 {
890 #ifdef __WXGTK20__
891 GtkTextIter start;
892 gtk_text_buffer_get_start_iter( m_buffer, &start );
893 GtkTextIter end;
894 gtk_text_buffer_get_end_iter( m_buffer, &end );
895 gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
896
897 #if wxUSE_UNICODE
898 wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
899 #else
900 wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
901 #endif
902 if ( buffer )
903 tmp = buffer;
904
905 g_free( text );
906 #else
907 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
908 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
909 tmp = text;
910 g_free( text );
911 #endif
912 }
913 else
914 {
915 tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
916 }
917
918 return tmp;
919 }
920
921 void wxTextCtrl::SetValue( const wxString &value )
922 {
923 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
924
925 if (m_windowStyle & wxTE_MULTILINE)
926 {
927 #ifdef __WXGTK20__
928
929 #if wxUSE_UNICODE
930 wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
931 #else
932 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
933 #endif
934 if (gtk_text_buffer_get_char_count(m_buffer) != 0)
935 IgnoreNextTextUpdate();
936
937 if ( !buffer )
938 {
939 // what else can we do? at least don't crash...
940 return;
941 }
942
943 gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
944
945 #else
946 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
947 gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
948 len = 0;
949 gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len );
950 #endif
951 }
952 else
953 {
954 gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
955 }
956
957 // GRG, Jun/2000: Changed this after a lot of discussion in
958 // the lists. wxWidgets 2.2 will have a set of flags to
959 // customize this behaviour.
960 SetInsertionPoint(0);
961
962 m_modified = false;
963 }
964
965 void wxTextCtrl::WriteText( const wxString &text )
966 {
967 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
968
969 if ( text.empty() )
970 return;
971
972 // gtk_text_changed_callback() will set m_modified to true but m_modified
973 // shouldn't be changed by the program writing to the text control itself,
974 // so save the old value and restore when we're done
975 bool oldModified = m_modified;
976
977 if ( m_windowStyle & wxTE_MULTILINE )
978 {
979 #ifdef __WXGTK20__
980
981 #if wxUSE_UNICODE
982 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
983 #else
984 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
985 #endif
986 if ( !buffer )
987 {
988 // what else can we do? at least don't crash...
989 return;
990 }
991
992 // TODO: Call whatever is needed to delete the selection.
993 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
994
995 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
996 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
997 if ( adj->value == adj->upper - adj->page_size )
998 {
999 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
1000 gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
1001 }
1002 #else // GTK 1.x
1003 // After cursor movements, gtk_text_get_point() is wrong by one.
1004 gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );
1005
1006 // always use m_defaultStyle, even if it is empty as otherwise
1007 // resetting the style and appending some more text wouldn't work: if
1008 // we don't specify the style explicitly, the old style would be used
1009 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
1010 wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len());
1011
1012 // we called wxGtkTextInsert with correct font, no need to do anything
1013 // in UpdateFontIfNeeded() any longer
1014 if ( !text.empty() )
1015 {
1016 SetUpdateFont(false);
1017 }
1018
1019 // Bring editable's cursor back uptodate.
1020 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
1021 #endif // GTK 1.x/2.0
1022 }
1023 else // single line
1024 {
1025 // First remove the selection if there is one
1026 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
1027
1028 // This moves the cursor pos to behind the inserted text.
1029 gint len = GET_EDITABLE_POS(m_text);
1030
1031 #ifdef __WXGTK20__
1032
1033 #if wxUSE_UNICODE
1034 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
1035 #else
1036 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
1037 #endif
1038 if ( !buffer )
1039 {
1040 // what else can we do? at least don't crash...
1041 return;
1042 }
1043
1044 gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
1045
1046 #else
1047 gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
1048 #endif
1049
1050 // Bring entry's cursor uptodate.
1051 gtk_entry_set_position( GTK_ENTRY(m_text), len );
1052 }
1053
1054 m_modified = oldModified;
1055 }
1056
1057 void wxTextCtrl::AppendText( const wxString &text )
1058 {
1059 SetInsertionPointEnd();
1060 WriteText( text );
1061 }
1062
1063 wxString wxTextCtrl::GetLineText( long lineNo ) const
1064 {
1065 if (m_windowStyle & wxTE_MULTILINE)
1066 {
1067 #ifndef __WXGTK20__
1068 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
1069 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
1070
1071 if (text)
1072 {
1073 wxString buf;
1074 long i;
1075 int currentLine = 0;
1076 for (i = 0; currentLine != lineNo && text[i]; i++ )
1077 if (text[i] == '\n')
1078 currentLine++;
1079 // Now get the text
1080 int j;
1081 for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
1082 buf += text[i];
1083
1084 g_free( text );
1085 return buf;
1086 }
1087 else
1088 {
1089 return wxEmptyString;
1090 }
1091 #else
1092 GtkTextIter line;
1093 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
1094 GtkTextIter end = line;
1095 gtk_text_iter_forward_to_line_end(&end);
1096 gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE);
1097 wxString result(wxGTK_CONV_BACK(text));
1098 g_free(text);
1099 return result;
1100 #endif
1101 }
1102 else
1103 {
1104 if (lineNo == 0) return GetValue();
1105 return wxEmptyString;
1106 }
1107 }
1108
1109 void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
1110 {
1111 /* If you implement this, don't forget to update the documentation!
1112 * (file docs/latex/wx/text.tex) */
1113 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
1114 }
1115
1116 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
1117 {
1118 if ( m_windowStyle & wxTE_MULTILINE )
1119 {
1120 #ifdef __WXGTK20__
1121 GtkTextIter iter;
1122 gtk_text_buffer_get_iter_at_offset(m_buffer, &iter, pos);
1123 if (gtk_text_iter_is_end(&iter))
1124 return false;
1125
1126 *y = gtk_text_iter_get_line(&iter);
1127 *x = gtk_text_iter_get_line_offset(&iter);
1128 #else
1129 wxString text = GetValue();
1130
1131 // cast to prevent warning. But pos really should've been unsigned.
1132 if( (unsigned long)pos > text.Len() )
1133 return false;
1134
1135 *x=0; // First Col
1136 *y=0; // First Line
1137
1138 const wxChar* stop = text.c_str() + pos;
1139 for ( const wxChar *p = text.c_str(); p < stop; p++ )
1140 {
1141 if (*p == wxT('\n'))
1142 {
1143 (*y)++;
1144 *x=0;
1145 }
1146 else
1147 (*x)++;
1148 }
1149 #endif
1150 }
1151 else // single line control
1152 {
1153 if ( pos <= GTK_ENTRY(m_text)->text_length )
1154 {
1155 *y = 0;
1156 *x = pos;
1157 }
1158 else
1159 {
1160 // index out of bounds
1161 return false;
1162 }
1163 }
1164
1165 return true;
1166 }
1167
1168 long wxTextCtrl::XYToPosition(long x, long y ) const
1169 {
1170 if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
1171
1172 #ifdef __WXGTK20__
1173 GtkTextIter iter;
1174 gtk_text_buffer_get_iter_at_line_offset(m_buffer, &iter, y, x);
1175 return gtk_text_iter_get_offset(&iter);
1176 #else
1177 long pos=0;
1178 for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
1179
1180 pos += x;
1181 return pos;
1182 #endif
1183 }
1184
1185 int wxTextCtrl::GetLineLength(long lineNo) const
1186 {
1187 #ifdef __WXGTK20__
1188 if (m_windowStyle & wxTE_MULTILINE)
1189 {
1190 int last_line = gtk_text_buffer_get_line_count( m_buffer ) - 1;
1191 if (lineNo > last_line)
1192 return -1;
1193
1194 GtkTextIter iter;
1195 gtk_text_buffer_get_iter_at_line(m_buffer, &iter, lineNo);
1196 // get_chars_in_line return includes paragraph delimiters, so need to subtract 1 IF it is not the last line
1197 return gtk_text_iter_get_chars_in_line(&iter) - ((lineNo == last_line) ? 0 : 1);
1198 }
1199 else
1200 #endif
1201 {
1202 wxString str = GetLineText (lineNo);
1203 return (int) str.Length();
1204 }
1205 }
1206
1207 int wxTextCtrl::GetNumberOfLines() const
1208 {
1209 if (m_windowStyle & wxTE_MULTILINE)
1210 {
1211 #ifdef __WXGTK20__
1212 return gtk_text_buffer_get_line_count( m_buffer );
1213 #else
1214 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
1215 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
1216
1217 if (text)
1218 {
1219 int currentLine = 0;
1220 for (int i = 0; i < len; i++ )
1221 {
1222 if (text[i] == '\n')
1223 currentLine++;
1224 }
1225 g_free( text );
1226
1227 // currentLine is 0 based, add 1 to get number of lines
1228 return currentLine + 1;
1229 }
1230 else
1231 {
1232 return 0;
1233 }
1234 #endif
1235 }
1236 else
1237 {
1238 return 1;
1239 }
1240 }
1241
1242 void wxTextCtrl::SetInsertionPoint( long pos )
1243 {
1244 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1245
1246 if ( IsMultiLine() )
1247 {
1248 #ifdef __WXGTK20__
1249 GtkTextIter iter;
1250 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
1251 gtk_text_buffer_place_cursor( m_buffer, &iter );
1252 gtk_text_view_scroll_mark_onscreen
1253 (
1254 GTK_TEXT_VIEW(m_text),
1255 gtk_text_buffer_get_insert( m_buffer )
1256 );
1257 #else // GTK+ 1.x
1258 gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
1259 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
1260
1261 /* we fake a set_point by inserting and deleting. as the user
1262 isn't supposed to get to know about this non-sense, we
1263 disconnect so that no events are sent to the user program. */
1264
1265 gint tmp = (gint)pos;
1266 gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
1267 gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
1268
1269 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
1270 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
1271
1272 // bring editable's cursor uptodate. Bug in GTK.
1273 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
1274 #endif // GTK+ 2/1
1275 }
1276 else
1277 {
1278 gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
1279
1280 // Bring editable's cursor uptodate. Bug in GTK.
1281 SET_EDITABLE_POS(m_text, (guint32)pos);
1282 }
1283 }
1284
1285 void wxTextCtrl::SetInsertionPointEnd()
1286 {
1287 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1288
1289 if (m_windowStyle & wxTE_MULTILINE)
1290 {
1291 #ifdef __WXGTK20__
1292 GtkTextIter end;
1293 gtk_text_buffer_get_end_iter( m_buffer, &end );
1294 gtk_text_buffer_place_cursor( m_buffer, &end );
1295 #else
1296 SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
1297 #endif
1298 }
1299 else
1300 {
1301 gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
1302 }
1303 }
1304
1305 void wxTextCtrl::SetEditable( bool editable )
1306 {
1307 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1308
1309 if (m_windowStyle & wxTE_MULTILINE)
1310 {
1311 #ifdef __WXGTK20__
1312 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
1313 #else
1314 gtk_text_set_editable( GTK_TEXT(m_text), editable );
1315 #endif
1316 }
1317 else
1318 {
1319 gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
1320 }
1321 }
1322
1323 bool wxTextCtrl::Enable( bool enable )
1324 {
1325 if (!wxWindowBase::Enable(enable))
1326 {
1327 // nothing to do
1328 return false;
1329 }
1330
1331 if (m_windowStyle & wxTE_MULTILINE)
1332 {
1333 #ifdef __WXGTK20__
1334 SetEditable( enable );
1335 #else
1336 gtk_text_set_editable( GTK_TEXT(m_text), enable );
1337 OnParentEnable(enable);
1338 #endif
1339 }
1340 else
1341 {
1342 gtk_widget_set_sensitive( m_text, enable );
1343 }
1344
1345 return true;
1346 }
1347
1348 // wxGTK-specific: called recursively by Enable,
1349 // to give widgets an oppprtunity to correct their colours after they
1350 // have been changed by Enable
1351 void wxTextCtrl::OnParentEnable( bool enable )
1352 {
1353 // If we have a custom background colour, we use this colour in both
1354 // disabled and enabled mode, or we end up with a different colour under the
1355 // text.
1356 wxColour oldColour = GetBackgroundColour();
1357 if (oldColour.Ok())
1358 {
1359 // Need to set twice or it'll optimize the useful stuff out
1360 if (oldColour == * wxWHITE)
1361 SetBackgroundColour(*wxBLACK);
1362 else
1363 SetBackgroundColour(*wxWHITE);
1364 SetBackgroundColour(oldColour);
1365 }
1366 }
1367
1368 void wxTextCtrl::MarkDirty()
1369 {
1370 m_modified = true;
1371 }
1372
1373 void wxTextCtrl::DiscardEdits()
1374 {
1375 m_modified = false;
1376 }
1377
1378 // ----------------------------------------------------------------------------
1379 // max text length support
1380 // ----------------------------------------------------------------------------
1381
1382 void wxTextCtrl::IgnoreNextTextUpdate()
1383 {
1384 m_ignoreNextUpdate = true;
1385 }
1386
1387 bool wxTextCtrl::IgnoreTextUpdate()
1388 {
1389 if ( m_ignoreNextUpdate )
1390 {
1391 m_ignoreNextUpdate = false;
1392
1393 return true;
1394 }
1395
1396 return false;
1397 }
1398
1399 void wxTextCtrl::SetMaxLength(unsigned long len)
1400 {
1401 if ( !HasFlag(wxTE_MULTILINE) )
1402 {
1403 gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1404
1405 // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1406 // we had tried to enter more text than allowed by max text length and
1407 // the text wasn't really changed
1408 //
1409 // to detect this and generate TEXT_MAXLEN event instead of
1410 // TEXT_CHANGED one in this case we also catch "insert_text" signal
1411 //
1412 // when max len is set to 0 we disconnect our handler as it means that
1413 // we shouldn't check anything any more
1414 if ( len )
1415 {
1416 gtk_signal_connect( GTK_OBJECT(m_text),
1417 "insert_text",
1418 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1419 (gpointer)this);
1420 }
1421 else // no checking
1422 {
1423 gtk_signal_disconnect_by_func
1424 (
1425 GTK_OBJECT(m_text),
1426 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1427 (gpointer)this
1428 );
1429 }
1430 }
1431 }
1432
1433 void wxTextCtrl::SetSelection( long from, long to )
1434 {
1435 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1436
1437 if (from == -1 && to == -1)
1438 {
1439 from = 0;
1440 to = GetValue().Length();
1441 }
1442
1443 #ifndef __WXGTK20__
1444 if ( (m_windowStyle & wxTE_MULTILINE) &&
1445 !GTK_TEXT(m_text)->line_start_cache )
1446 {
1447 // tell the programmer that it didn't work
1448 wxLogDebug(_T("Can't call SetSelection() before realizing the control"));
1449 return;
1450 }
1451 #endif
1452
1453 if (m_windowStyle & wxTE_MULTILINE)
1454 {
1455 #ifdef __WXGTK20__
1456 GtkTextIter fromi, toi;
1457 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1458 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1459
1460 gtk_text_buffer_place_cursor( m_buffer, &toi );
1461 gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1462 #else
1463 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1464 #endif
1465 }
1466 else
1467 {
1468 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1469 }
1470 }
1471
1472 void wxTextCtrl::ShowPosition( long pos )
1473 {
1474 if (m_windowStyle & wxTE_MULTILINE)
1475 {
1476 #ifdef __WXGTK20__
1477 GtkTextIter iter;
1478 gtk_text_buffer_get_start_iter( m_buffer, &iter );
1479 gtk_text_iter_set_offset( &iter, pos );
1480 GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE );
1481 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
1482 #else // GTK 1.x
1483 GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
1484 float totalLines = (float) GetNumberOfLines();
1485 long posX;
1486 long posY;
1487 PositionToXY(pos, &posX, &posY);
1488 float posLine = (float) posY;
1489 float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
1490 gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
1491 #endif // GTK 1.x/2.x
1492 }
1493 }
1494
1495 #ifdef __WXGTK20__
1496
1497 wxTextCtrlHitTestResult
1498 wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1499 {
1500 if ( !IsMultiLine() )
1501 {
1502 // not supported
1503 return wxTE_HT_UNKNOWN;
1504 }
1505
1506 int x, y;
1507 gtk_text_view_window_to_buffer_coords
1508 (
1509 GTK_TEXT_VIEW(m_text),
1510 GTK_TEXT_WINDOW_TEXT,
1511 pt.x, pt.y,
1512 &x, &y
1513 );
1514
1515 GtkTextIter iter;
1516 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1517 if ( pos )
1518 *pos = gtk_text_iter_get_offset(&iter);
1519
1520 return wxTE_HT_ON_TEXT;
1521 }
1522
1523 #endif // __WXGTK20__
1524
1525 long wxTextCtrl::GetInsertionPoint() const
1526 {
1527 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1528
1529 #ifdef __WXGTK20__
1530 if (m_windowStyle & wxTE_MULTILINE)
1531 {
1532 // There is no direct accessor for the cursor, but
1533 // internally, the cursor is the "mark" called
1534 // "insert" in the text view's btree structure.
1535
1536 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1537 GtkTextIter cursor;
1538 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1539
1540 return gtk_text_iter_get_offset( &cursor );
1541 }
1542 else
1543 #endif
1544 {
1545 return (long) GET_EDITABLE_POS(m_text);
1546 }
1547 }
1548
1549 wxTextPos wxTextCtrl::GetLastPosition() const
1550 {
1551 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1552
1553 int pos = 0;
1554
1555 if (m_windowStyle & wxTE_MULTILINE)
1556 {
1557 #ifdef __WXGTK20__
1558 GtkTextIter end;
1559 gtk_text_buffer_get_end_iter( m_buffer, &end );
1560
1561 pos = gtk_text_iter_get_offset( &end );
1562 #else
1563 pos = gtk_text_get_length( GTK_TEXT(m_text) );
1564 #endif
1565 }
1566 else
1567 {
1568 pos = GTK_ENTRY(m_text)->text_length;
1569 }
1570
1571 return (long)pos;
1572 }
1573
1574 void wxTextCtrl::Remove( long from, long to )
1575 {
1576 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1577
1578 #ifdef __WXGTK20__
1579 if (m_windowStyle & wxTE_MULTILINE)
1580 {
1581 GtkTextIter fromi, toi;
1582 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1583 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1584
1585 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1586 }
1587 else // single line
1588 #endif
1589 gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1590 }
1591
1592 void wxTextCtrl::Replace( long from, long to, const wxString &value )
1593 {
1594 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1595
1596 Remove( from, to );
1597
1598 if (!value.empty())
1599 {
1600 #ifdef __WXGTK20__
1601 SetInsertionPoint( from );
1602 WriteText( value );
1603 #else // GTK 1.x
1604 gint pos = (gint)from;
1605 #if wxUSE_UNICODE
1606 wxWX2MBbuf buf = value.mbc_str();
1607 gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
1608 #else
1609 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
1610 #endif // wxUSE_UNICODE
1611 #endif // GTK 1.x/2.x
1612 }
1613 }
1614
1615 void wxTextCtrl::Cut()
1616 {
1617 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1618
1619 #ifdef __WXGTK20__
1620 if (m_windowStyle & wxTE_MULTILINE)
1621 g_signal_emit_by_name(m_text, "cut-clipboard");
1622 else
1623 #endif
1624 gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1625 }
1626
1627 void wxTextCtrl::Copy()
1628 {
1629 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1630
1631 #ifdef __WXGTK20__
1632 if (m_windowStyle & wxTE_MULTILINE)
1633 g_signal_emit_by_name(m_text, "copy-clipboard");
1634 else
1635 #endif
1636 gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1637 }
1638
1639 void wxTextCtrl::Paste()
1640 {
1641 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1642
1643 #ifdef __WXGTK20__
1644 if (m_windowStyle & wxTE_MULTILINE)
1645 g_signal_emit_by_name(m_text, "paste-clipboard");
1646 else
1647 #endif
1648 gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1649 }
1650
1651 // Undo/redo
1652 void wxTextCtrl::Undo()
1653 {
1654 // TODO
1655 wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1656 }
1657
1658 void wxTextCtrl::Redo()
1659 {
1660 // TODO
1661 wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1662 }
1663
1664 bool wxTextCtrl::CanUndo() const
1665 {
1666 // TODO
1667 //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1668 return false;
1669 }
1670
1671 bool wxTextCtrl::CanRedo() const
1672 {
1673 // TODO
1674 //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1675 return false;
1676 }
1677
1678 // If the return values from and to are the same, there is no
1679 // selection.
1680 void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1681 {
1682 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1683
1684 gint from = -1;
1685 gint to = -1;
1686 bool haveSelection = false;
1687
1688 #ifdef __WXGTK20__
1689 if (m_windowStyle & wxTE_MULTILINE)
1690 {
1691 GtkTextIter ifrom, ito;
1692 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1693 {
1694 haveSelection = true;
1695 from = gtk_text_iter_get_offset(&ifrom);
1696 to = gtk_text_iter_get_offset(&ito);
1697 }
1698 }
1699 else // not multi-line
1700 {
1701 if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1702 &from, &to) )
1703 {
1704 haveSelection = true;
1705 }
1706 }
1707 #else // not GTK2
1708 if ( (GTK_EDITABLE(m_text)->has_selection) )
1709 {
1710 haveSelection = true;
1711 from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
1712 to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
1713 }
1714 #endif
1715
1716 if (! haveSelection )
1717 from = to = GetInsertionPoint();
1718
1719 if ( from > to )
1720 {
1721 // exchange them to be compatible with wxMSW
1722 gint tmp = from;
1723 from = to;
1724 to = tmp;
1725 }
1726
1727 if ( fromOut )
1728 *fromOut = from;
1729 if ( toOut )
1730 *toOut = to;
1731 }
1732
1733
1734 bool wxTextCtrl::IsEditable() const
1735 {
1736 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1737
1738 #ifdef __WXGTK20__
1739 if (m_windowStyle & wxTE_MULTILINE)
1740 {
1741 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1742 }
1743 else
1744 {
1745 return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1746 }
1747 #else
1748 return GTK_EDITABLE(m_text)->editable;
1749 #endif
1750 }
1751
1752 bool wxTextCtrl::IsModified() const
1753 {
1754 return m_modified;
1755 }
1756
1757 void wxTextCtrl::Clear()
1758 {
1759 SetValue( wxEmptyString );
1760 }
1761
1762 void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1763 {
1764 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1765
1766 if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
1767 {
1768 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1769 event.SetEventObject(this);
1770 event.SetString(GetValue());
1771 if (GetEventHandler()->ProcessEvent(event)) return;
1772 }
1773
1774 if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
1775 {
1776 // This will invoke the dialog default action, such
1777 // as the clicking the default button.
1778
1779 wxWindow *top_frame = m_parent;
1780 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1781 top_frame = top_frame->GetParent();
1782
1783 if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1784 {
1785 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1786
1787 if (window->default_widget)
1788 {
1789 gtk_widget_activate (window->default_widget);
1790 return;
1791 }
1792 }
1793 }
1794
1795 key_event.Skip();
1796 }
1797
1798 GtkWidget* wxTextCtrl::GetConnectWidget()
1799 {
1800 return GTK_WIDGET(m_text);
1801 }
1802
1803 bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
1804 {
1805 if (m_windowStyle & wxTE_MULTILINE)
1806 {
1807 #ifdef __WXGTK20__
1808 return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork
1809 #else
1810 return (window == GTK_TEXT(m_text)->text_area);
1811 #endif
1812 }
1813 else
1814 {
1815 return (window == GTK_ENTRY(m_text)->text_area);
1816 }
1817 }
1818
1819 // the font will change for subsequent text insertiongs
1820 bool wxTextCtrl::SetFont( const wxFont &font )
1821 {
1822 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1823
1824 if ( !wxTextCtrlBase::SetFont(font) )
1825 {
1826 // font didn't change, nothing to do
1827 return false;
1828 }
1829
1830 if ( m_windowStyle & wxTE_MULTILINE )
1831 {
1832 SetUpdateFont(true);
1833
1834 m_defaultStyle.SetFont(font);
1835
1836 ChangeFontGlobally();
1837 }
1838
1839 return true;
1840 }
1841
1842 void wxTextCtrl::ChangeFontGlobally()
1843 {
1844 // this method is very inefficient and hence should be called as rarely as
1845 // possible!
1846 //
1847 // TODO: it can be implemented much more efficiently for GTK2
1848 #ifndef __WXGTK20__
1849 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
1850
1851 _T("shouldn't be called for single line controls") );
1852 #else
1853 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE),
1854 _T("shouldn't be called for single line controls") );
1855 #endif
1856
1857 wxString value = GetValue();
1858 if ( !value.empty() )
1859 {
1860 SetUpdateFont(false);
1861
1862 Clear();
1863 AppendText(value);
1864 }
1865 }
1866
1867 #ifndef __WXGTK20__
1868
1869 void wxTextCtrl::UpdateFontIfNeeded()
1870 {
1871 if ( m_updateFont )
1872 ChangeFontGlobally();
1873 }
1874
1875 #endif // GTK+ 1.x
1876
1877 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1878 {
1879 if ( !wxControl::SetForegroundColour(colour) )
1880 return false;
1881
1882 // update default fg colour too
1883 m_defaultStyle.SetTextColour(colour);
1884
1885 return true;
1886 }
1887
1888 bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1889 {
1890 wxCHECK_MSG( m_text != NULL, false, wxT("invalid text ctrl") );
1891
1892 if ( !wxControl::SetBackgroundColour( colour ) )
1893 return false;
1894
1895 #ifndef __WXGTK20__
1896 if (!m_widget->window)
1897 return false;
1898 #endif
1899
1900 if (!m_backgroundColour.Ok())
1901 return false;
1902
1903 if (m_windowStyle & wxTE_MULTILINE)
1904 {
1905 #ifndef __WXGTK20__
1906 GdkWindow *window = GTK_TEXT(m_text)->text_area;
1907 if (!window)
1908 return false;
1909 m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
1910 gdk_window_set_background( window, m_backgroundColour.GetColor() );
1911 gdk_window_clear( window );
1912 #endif
1913 }
1914
1915 // change active background color too
1916 m_defaultStyle.SetBackgroundColour( colour );
1917
1918 return true;
1919 }
1920
1921 bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1922 {
1923 if ( m_windowStyle & wxTE_MULTILINE )
1924 {
1925 if ( style.IsDefault() )
1926 {
1927 // nothing to do
1928 return true;
1929 }
1930
1931 #ifdef __WXGTK20__
1932 gint l = gtk_text_buffer_get_char_count( m_buffer );
1933
1934 wxCHECK_MSG( start >= 0 && end <= l, false,
1935 _T("invalid range in wxTextCtrl::SetStyle") );
1936
1937 GtkTextIter starti, endi;
1938 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1939 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1940
1941 // use the attributes from style which are set in it and fall back
1942 // first to the default style and then to the text control default
1943 // colours for the others
1944 wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1945
1946 wxGtkTextApplyTagsFromAttr( m_buffer, attr, &starti, &endi );
1947 #else
1948 // VERY dirty way to do that - removes the required text and re-adds it
1949 // with styling (FIXME)
1950
1951 gint l = gtk_text_get_length( GTK_TEXT(m_text) );
1952
1953 wxCHECK_MSG( start >= 0 && end <= l, false,
1954 _T("invalid range in wxTextCtrl::SetStyle") );
1955
1956 gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
1957 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
1958 wxString tmp(text,*wxConvCurrent);
1959 g_free( text );
1960
1961 gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
1962 gtk_editable_set_position( GTK_EDITABLE(m_text), start );
1963
1964 #if wxUSE_UNICODE
1965 wxWX2MBbuf buf = tmp.mbc_str();
1966 const char *txt = buf;
1967 size_t txtlen = strlen(buf);
1968 #else
1969 const char *txt = tmp;
1970 size_t txtlen = tmp.length();
1971 #endif
1972
1973 // use the attributes from style which are set in it and fall back
1974 // first to the default style and then to the text control default
1975 // colours for the others
1976 wxGtkTextInsert(m_text,
1977 wxTextAttr::Combine(style, m_defaultStyle, this),
1978 txt,
1979 txtlen);
1980
1981 /* does not seem to help under GTK+ 1.2 !!!
1982 gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
1983 SetInsertionPoint( old_pos );
1984 #endif
1985
1986 return true;
1987 }
1988
1989 // else single line
1990 // cannot do this for GTK+'s Entry widget
1991 return false;
1992 }
1993
1994 void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1995 {
1996 gtk_widget_modify_style(m_text, style);
1997 }
1998
1999 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
2000 {
2001 Cut();
2002 }
2003
2004 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
2005 {
2006 Copy();
2007 }
2008
2009 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
2010 {
2011 Paste();
2012 }
2013
2014 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
2015 {
2016 Undo();
2017 }
2018
2019 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
2020 {
2021 Redo();
2022 }
2023
2024 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
2025 {
2026 event.Enable( CanCut() );
2027 }
2028
2029 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
2030 {
2031 event.Enable( CanCopy() );
2032 }
2033
2034 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
2035 {
2036 event.Enable( CanPaste() );
2037 }
2038
2039 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
2040 {
2041 event.Enable( CanUndo() );
2042 }
2043
2044 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
2045 {
2046 event.Enable( CanRedo() );
2047 }
2048
2049 void wxTextCtrl::OnInternalIdle()
2050 {
2051 wxCursor cursor = m_cursor;
2052 if (g_globalCursor.Ok()) cursor = g_globalCursor;
2053
2054 if (cursor.Ok())
2055 {
2056 #ifndef __WXGTK20__
2057 GdkWindow *window = (GdkWindow*) NULL;
2058 if (HasFlag(wxTE_MULTILINE))
2059 window = GTK_TEXT(m_text)->text_area;
2060 else
2061 window = GTK_ENTRY(m_text)->text_area;
2062
2063 if (window)
2064 gdk_window_set_cursor( window, cursor.GetCursor() );
2065
2066 if (!g_globalCursor.Ok())
2067 cursor = *wxSTANDARD_CURSOR;
2068
2069 window = m_widget->window;
2070 if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
2071 gdk_window_set_cursor( window, cursor.GetCursor() );
2072 #endif
2073 }
2074
2075 if (g_delayedFocus == this)
2076 {
2077 if (GTK_WIDGET_REALIZED(m_widget))
2078 {
2079 gtk_widget_grab_focus( m_widget );
2080 g_delayedFocus = NULL;
2081 }
2082 }
2083
2084 if (wxUpdateUIEvent::CanUpdate(this))
2085 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
2086 }
2087
2088 wxSize wxTextCtrl::DoGetBestSize() const
2089 {
2090 // FIXME should be different for multi-line controls...
2091 wxSize ret( wxControl::DoGetBestSize() );
2092 wxSize best(80, ret.y);
2093 CacheBestSize(best);
2094 return best;
2095 }
2096
2097 // ----------------------------------------------------------------------------
2098 // freeze/thaw
2099 // ----------------------------------------------------------------------------
2100
2101 void wxTextCtrl::Freeze()
2102 {
2103 if ( HasFlag(wxTE_MULTILINE) )
2104 {
2105 #ifdef __WXGTK20__
2106 if ( !m_frozenness++ )
2107 {
2108 // freeze textview updates and remove buffer
2109 g_signal_connect( G_OBJECT(m_text), "expose_event",
2110 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
2111 g_signal_connect( G_OBJECT(m_widget), "expose_event",
2112 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
2113 gtk_widget_set_sensitive(m_widget, false);
2114 g_object_ref(m_buffer);
2115 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL));
2116 }
2117 #else
2118 gtk_text_freeze(GTK_TEXT(m_text));
2119 #endif
2120 }
2121 }
2122
2123 void wxTextCtrl::Thaw()
2124 {
2125 if ( HasFlag(wxTE_MULTILINE) )
2126 {
2127 #ifdef __WXGTK20__
2128 wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") );
2129
2130 if ( !--m_frozenness )
2131 {
2132 // Reattach buffer and thaw textview updates
2133 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
2134 g_object_unref(m_buffer);
2135 gtk_widget_set_sensitive(m_widget, true);
2136 g_signal_handlers_disconnect_by_func(m_widget, (gpointer)gtk_text_exposed_callback, this);
2137 g_signal_handlers_disconnect_by_func(m_text, (gpointer)gtk_text_exposed_callback, this);
2138 }
2139 #else
2140 GTK_TEXT(m_text)->vadj->value = 0.0;
2141
2142 gtk_text_thaw(GTK_TEXT(m_text));
2143 #endif
2144 }
2145 }
2146
2147 // ----------------------------------------------------------------------------
2148 // wxTextUrlEvent passing if style & wxTE_AUTO_URL
2149 // ----------------------------------------------------------------------------
2150
2151 #ifdef __WXGTK20__
2152
2153 // FIXME: when dragging on a link the sample gets an "Unknown event".
2154 // This might be an excessive event from us or a buggy wxMouseEvent::Moving() or
2155 // a buggy sample, or something else
2156 void wxTextCtrl::OnUrlMouseEvent(wxMouseEvent& event)
2157 {
2158 event.Skip();
2159 if(!(m_windowStyle & wxTE_AUTO_URL))
2160 return;
2161
2162 gint x, y;
2163 GtkTextIter start, end;
2164 GtkTextTag *tag = gtk_text_tag_table_lookup(gtk_text_buffer_get_tag_table(m_buffer),
2165 "wxUrl");
2166
2167 gtk_text_view_window_to_buffer_coords(GTK_TEXT_VIEW(m_text), GTK_TEXT_WINDOW_WIDGET,
2168 event.GetX(), event.GetY(), &x, &y);
2169
2170 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &end, x, y);
2171 if (!gtk_text_iter_has_tag(&end, tag))
2172 {
2173 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
2174 GTK_TEXT_WINDOW_TEXT), m_gdkXTermCursor);
2175 return;
2176 }
2177
2178 gdk_window_set_cursor(gtk_text_view_get_window(GTK_TEXT_VIEW(m_text),
2179 GTK_TEXT_WINDOW_TEXT), m_gdkHandCursor);
2180
2181 start = end;
2182 if(!gtk_text_iter_begins_tag(&start, tag))
2183 gtk_text_iter_backward_to_tag_toggle(&start, tag);
2184 if(!gtk_text_iter_ends_tag(&end, tag))
2185 gtk_text_iter_forward_to_tag_toggle(&end, tag);
2186
2187 // Native context menu is probably not desired on an URL.
2188 // Consider making this dependant on ProcessEvent(wxTextUrlEvent) return value
2189 if(event.GetEventType() == wxEVT_RIGHT_DOWN)
2190 event.Skip(false);
2191
2192 wxTextUrlEvent url_event(m_windowId, event,
2193 gtk_text_iter_get_offset(&start),
2194 gtk_text_iter_get_offset(&end));
2195
2196 InitCommandEvent(url_event);
2197 // Is that a good idea? Seems not (pleasure with gtk_text_view_start_selection_drag)
2198 //event.Skip(!GetEventHandler()->ProcessEvent(url_event));
2199 GetEventHandler()->ProcessEvent(url_event);
2200 }
2201 #endif // gtk2
2202
2203 // ----------------------------------------------------------------------------
2204 // scrolling
2205 // ----------------------------------------------------------------------------
2206
2207 GtkAdjustment *wxTextCtrl::GetVAdj() const
2208 {
2209 if ( !IsMultiLine() )
2210 return NULL;
2211
2212 #ifdef __WXGTK20__
2213 return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
2214 #else
2215 return GTK_TEXT(m_text)->vadj;
2216 #endif
2217 }
2218
2219 bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
2220 {
2221 float value = adj->value + diff;
2222
2223 if ( value < 0 )
2224 value = 0;
2225
2226 float upper = adj->upper - adj->page_size;
2227 if ( value > upper )
2228 value = upper;
2229
2230 // did we noticeably change the scroll position?
2231 if ( fabs(adj->value - value) < 0.2 )
2232 {
2233 // well, this is what Robert does in wxScrollBar, so it must be good...
2234 return false;
2235 }
2236
2237 adj->value = value;
2238
2239 #ifdef __WXGTK20__
2240 gtk_adjustment_value_changed(GTK_ADJUSTMENT(adj));
2241 #else
2242 gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
2243 #endif
2244
2245 return true;
2246 }
2247
2248 bool wxTextCtrl::ScrollLines(int lines)
2249 {
2250 GtkAdjustment *adj = GetVAdj();
2251 if ( !adj )
2252 return false;
2253
2254 #ifdef __WXGTK20__
2255 int diff = (int)ceil(lines*adj->step_increment);
2256 #else
2257 // this is hardcoded to 10 in GTK+ 1.2 (great idea)
2258 int diff = 10*lines;
2259 #endif
2260
2261 return DoScroll(adj, diff);
2262 }
2263
2264 bool wxTextCtrl::ScrollPages(int pages)
2265 {
2266 GtkAdjustment *adj = GetVAdj();
2267 if ( !adj )
2268 return false;
2269
2270 return DoScroll(adj, (int)ceil(pages*adj->page_increment));
2271 }
2272
2273
2274 // static
2275 wxVisualAttributes
2276 wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
2277 {
2278 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
2279 }
wxWidgets (Impactor)