]> git.saurik.com Git - wxWidgets.git/blame_incremental - src/gtk/textctrl.cpp
projects / wxWidgets.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
fixed ShowFullScreen after somebody broke it by naively using gtk_show_fullscreen...
[wxWidgets.git] / src / gtk / textctrl.cpp
... / ...
CommitLineData
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 <math.h> // for fabs
30
31#include "wx/gtk/private.h"
32#include <gdk/gdkkeysyms.h>
33
34//-----------------------------------------------------------------------------
35// idle system
36//-----------------------------------------------------------------------------
37
38extern void wxapp_install_idle_handler();
39extern bool g_isIdle;
40
41//-----------------------------------------------------------------------------
42// data
43//-----------------------------------------------------------------------------
44
45extern bool g_blockEventsOnDrag;
46extern wxCursor g_globalCursor;
47extern wxWindowGTK *g_delayedFocus;
48
49// ----------------------------------------------------------------------------
50// helpers
51// ----------------------------------------------------------------------------
52
53#ifdef __WXGTK20__
54static 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
105static 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
124static 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
147static void
148gtk_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//-----------------------------------------------------------------------------
184// "changed"
185//-----------------------------------------------------------------------------
186
187static void
188gtk_text_changed_callback( GtkWidget *widget, wxTextCtrl *win )
189{
190 if ( win->IgnoreTextUpdate() )
191 return;
192
193 if (!win->m_hasVMT) return;
194
195 if (g_isIdle)
196 wxapp_install_idle_handler();
197
198 win->SetModified();
199#ifndef __WXGTK20__
200 win->UpdateFontIfNeeded();
201#endif // !__WXGTK20__
202
203 wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
204 event.SetEventObject( win );
205 event.SetString( win->GetValue() );
206 win->GetEventHandler()->ProcessEvent( event );
207}
208
209//-----------------------------------------------------------------------------
210// "expose_event" from scrolled window and textview
211//-----------------------------------------------------------------------------
212
213#ifdef __WXGTK20__
214static gboolean
215gtk_text_exposed_callback( GtkWidget *widget, GdkEventExpose *event, wxTextCtrl *win )
216{
217 return TRUE;
218}
219#endif
220
221//-----------------------------------------------------------------------------
222// "changed" from vertical scrollbar
223//-----------------------------------------------------------------------------
224
225#ifndef __WXGTK20__
226static void
227gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win )
228{
229 if (!win->m_hasVMT) return;
230
231 if (g_isIdle)
232 wxapp_install_idle_handler();
233
234 win->CalculateScrollbar();
235}
236#endif
237
238// ----------------------------------------------------------------------------
239// redraw callback for multiline text
240// ----------------------------------------------------------------------------
241
242#ifndef __WXGTK20__
243
244// redrawing a GtkText from inside a wxYield() call results in crashes (the
245// text sample shows it in its "Add lines" command which shows wxProgressDialog
246// which implicitly calls wxYield()) so we override GtkText::draw() and simply
247// don't do anything if we're inside wxYield()
248
249extern bool wxIsInsideYield;
250
251extern "C" {
252 typedef void (*GtkDrawCallback)(GtkWidget *widget, GdkRectangle *rect);
253}
254
255static GtkDrawCallback gs_gtk_text_draw = NULL;
256
257extern "C"
258void wxgtk_text_draw( GtkWidget *widget, GdkRectangle *rect)
259{
260 if ( !wxIsInsideYield )
261 {
262 wxCHECK_RET( gs_gtk_text_draw != wxgtk_text_draw,
263 _T("infinite recursion in wxgtk_text_draw aborted") );
264
265 gs_gtk_text_draw(widget, rect);
266 }
267}
268
269#endif // __WXGTK20__
270
271//-----------------------------------------------------------------------------
272// wxTextCtrl
273//-----------------------------------------------------------------------------
274
275IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl)
276
277BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
278 EVT_CHAR(wxTextCtrl::OnChar)
279
280 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
281 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
282 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
283 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
284 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
285
286 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
287 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
288 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
289 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
290 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
291END_EVENT_TABLE()
292
293void wxTextCtrl::Init()
294{
295 m_ignoreNextUpdate =
296 m_modified = FALSE;
297 SetUpdateFont(FALSE);
298 m_text =
299 m_vScrollbar = (GtkWidget *)NULL;
300#ifdef __WXGTK20__
301 m_frozenness = 0;
302#endif
303}
304
305wxTextCtrl::wxTextCtrl( wxWindow *parent,
306 wxWindowID id,
307 const wxString &value,
308 const wxPoint &pos,
309 const wxSize &size,
310 long style,
311 const wxValidator& validator,
312 const wxString &name )
313{
314 Init();
315
316 Create( parent, id, value, pos, size, style, validator, name );
317}
318
319bool wxTextCtrl::Create( wxWindow *parent,
320 wxWindowID id,
321 const wxString &value,
322 const wxPoint &pos,
323 const wxSize &size,
324 long style,
325 const wxValidator& validator,
326 const wxString &name )
327{
328 m_needParent = TRUE;
329 m_acceptsFocus = TRUE;
330
331 if (!PreCreation( parent, pos, size ) ||
332 !CreateBase( parent, id, pos, size, style, validator, name ))
333 {
334 wxFAIL_MSG( wxT("wxTextCtrl creation failed") );
335 return FALSE;
336 }
337
338
339 m_vScrollbarVisible = FALSE;
340
341 bool multi_line = (style & wxTE_MULTILINE) != 0;
342
343 if (multi_line)
344 {
345#ifdef __WXGTK20__
346 // Create view
347 m_text = gtk_text_view_new();
348
349 m_buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(m_text) );
350
351 // create scrolled window
352 m_widget = gtk_scrolled_window_new( NULL, NULL );
353 gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW( m_widget ),
354 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC );
355
356 // Insert view into scrolled window
357 gtk_container_add( GTK_CONTAINER(m_widget), m_text );
358
359 // Global settings which can be overridden by tags, I guess.
360 if (HasFlag( wxHSCROLL ) || HasFlag( wxTE_DONTWRAP ))
361 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_NONE );
362 else
363 gtk_text_view_set_wrap_mode( GTK_TEXT_VIEW( m_text ), GTK_WRAP_WORD );
364
365 if (!HasFlag(wxNO_BORDER))
366 gtk_scrolled_window_set_shadow_type( GTK_SCROLLED_WINDOW(m_widget), GTK_SHADOW_IN );
367
368 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
369#else
370 // create our control ...
371 m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL );
372
373 // ... and put into the upper left hand corner of the table
374 bool bHasHScrollbar = FALSE;
375 m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE);
376 GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS );
377 gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1,
378 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
379 (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK),
380 0, 0);
381
382 // always wrap words
383 gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE );
384
385 // finally, put the vertical scrollbar in the upper right corner
386 m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj );
387 GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS );
388 gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1,
389 GTK_FILL,
390 (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK),
391 0, 0);
392#endif
393 }
394 else
395 {
396 // a single-line text control: no need for scrollbars
397 m_widget =
398 m_text = gtk_entry_new();
399 }
400
401 m_parent->DoAddChild( this );
402
403 m_focusWidget = m_text;
404
405 PostCreation(size);
406
407 if (multi_line)
408 gtk_widget_show(m_text);
409
410#ifndef __WXGTK20__
411 if (multi_line)
412 {
413 gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed",
414 (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this );
415
416 // only initialize gs_gtk_text_draw once, starting from the next the
417 // klass::draw will already be wxgtk_text_draw
418 if ( !gs_gtk_text_draw )
419 {
420 GtkDrawCallback&
421 draw = GTK_WIDGET_CLASS(GTK_OBJECT(m_text)->klass)->draw;
422
423 gs_gtk_text_draw = draw;
424
425 draw = wxgtk_text_draw;
426 }
427 }
428#endif // GTK+ 1.x
429
430 if (!value.IsEmpty())
431 {
432#ifdef __WXGTK20__
433 SetValue( value );
434#else
435
436#if !GTK_CHECK_VERSION(1, 2, 0)
437 // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in
438 // gtk_editable_insert_text()
439 gtk_widget_realize(m_text);
440#endif // GTK 1.0
441
442 gint tmp = 0;
443#if wxUSE_UNICODE
444 wxWX2MBbuf val = value.mbc_str();
445 gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp );
446#else
447 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp );
448#endif
449
450 if (multi_line)
451 {
452 // Bring editable's cursor uptodate. Bug in GTK.
453 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
454 }
455
456#endif
457 }
458
459 if (style & wxTE_PASSWORD)
460 {
461 if (!multi_line)
462 gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE );
463 }
464
465 if (style & wxTE_READONLY)
466 {
467 if (!multi_line)
468 gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE );
469#ifdef __WXGTK20__
470 else
471 gtk_text_view_set_editable( GTK_TEXT_VIEW( m_text), FALSE);
472#else
473 }
474 else
475 {
476 if (multi_line)
477 gtk_text_set_editable( GTK_TEXT(m_text), 1 );
478#endif
479 }
480
481#ifdef __WXGTK20__
482 if (multi_line)
483 {
484 if (style & wxTE_RIGHT)
485 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_RIGHT );
486 else if (style & wxTE_CENTRE)
487 gtk_text_view_set_justification( GTK_TEXT_VIEW(m_text), GTK_JUSTIFY_CENTER );
488 // Left justify (alignment) is the default and we don't need to apply GTK_JUSTIFY_LEFT
489 }
490 else
491 {
492#ifdef __WXGTK24__
493 // gtk_entry_set_alignment was introduced in gtk+-2.3.5
494 if (!gtk_check_version(2,4,0))
495 {
496 if (style & wxTE_RIGHT)
497 gtk_entry_set_alignment( GTK_ENTRY(m_text), 1.0 );
498 else if (style & wxTE_CENTRE)
499 gtk_entry_set_alignment( GTK_ENTRY(m_text), 0.5 );
500 }
501#endif
502 }
503#endif // __WXGTK20__
504
505 // We want to be notified about text changes.
506#ifdef __WXGTK20__
507 if (multi_line)
508 {
509 g_signal_connect( G_OBJECT(m_buffer), "changed",
510 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
511 }
512 else
513#endif
514
515 {
516 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
517 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
518 }
519
520 m_cursor = wxCursor( wxCURSOR_IBEAM );
521
522 wxTextAttr attrDef(GetForegroundColour(), GetBackgroundColour(), GetFont());
523 SetDefaultStyle( attrDef );
524
525 return TRUE;
526}
527
528
529void wxTextCtrl::CalculateScrollbar()
530{
531#ifndef __WXGTK20__
532 if ((m_windowStyle & wxTE_MULTILINE) == 0) return;
533
534 GtkAdjustment *adj = GTK_TEXT(m_text)->vadj;
535
536 if (adj->upper - adj->page_size < 0.8)
537 {
538 if (m_vScrollbarVisible)
539 {
540 gtk_widget_hide( m_vScrollbar );
541 m_vScrollbarVisible = FALSE;
542 }
543 }
544 else
545 {
546 if (!m_vScrollbarVisible)
547 {
548 gtk_widget_show( m_vScrollbar );
549 m_vScrollbarVisible = TRUE;
550 }
551 }
552#endif
553}
554
555wxString wxTextCtrl::GetValue() const
556{
557 wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") );
558
559 wxString tmp;
560 if (m_windowStyle & wxTE_MULTILINE)
561 {
562#ifdef __WXGTK20__
563 GtkTextIter start;
564 gtk_text_buffer_get_start_iter( m_buffer, &start );
565 GtkTextIter end;
566 gtk_text_buffer_get_end_iter( m_buffer, &end );
567 gchar *text = gtk_text_buffer_get_text( m_buffer, &start, &end, TRUE );
568
569#if wxUSE_UNICODE
570 wxWCharBuffer buffer( wxConvUTF8.cMB2WX( text ) );
571#else
572 wxCharBuffer buffer( wxConvLocal.cWC2WX( wxConvUTF8.cMB2WC( text ) ) );
573#endif
574 if ( buffer )
575 tmp = buffer;
576
577 g_free( text );
578#else
579 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
580 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
581 tmp = text;
582 g_free( text );
583#endif
584 }
585 else
586 {
587 tmp = wxGTK_CONV_BACK( gtk_entry_get_text( GTK_ENTRY(m_text) ) );
588 }
589
590 return tmp;
591}
592
593void wxTextCtrl::SetValue( const wxString &value )
594{
595 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
596
597 if (m_windowStyle & wxTE_MULTILINE)
598 {
599#ifdef __WXGTK20__
600
601#if wxUSE_UNICODE
602 wxCharBuffer buffer( wxConvUTF8.cWX2MB( value) );
603#else
604 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( value ) ) );
605#endif
606 if (gtk_text_buffer_get_char_count(m_buffer) != 0)
607 IgnoreNextTextUpdate();
608
609 gtk_text_buffer_set_text( m_buffer, buffer, strlen(buffer) );
610
611#else
612 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
613 gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len );
614 len = 0;
615 gtk_editable_insert_text( GTK_EDITABLE(m_text), value.mbc_str(), value.Length(), &len );
616#endif
617 }
618 else
619 {
620 gtk_entry_set_text( GTK_ENTRY(m_text), wxGTK_CONV( value ) );
621 }
622
623 // GRG, Jun/2000: Changed this after a lot of discussion in
624 // the lists. wxWidgets 2.2 will have a set of flags to
625 // customize this behaviour.
626 SetInsertionPoint(0);
627
628 m_modified = FALSE;
629}
630
631void wxTextCtrl::WriteText( const wxString &text )
632{
633 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
634
635 if ( text.empty() )
636 return;
637
638 // gtk_text_changed_callback() will set m_modified to true but m_modified
639 // shouldn't be changed by the program writing to the text control itself,
640 // so save the old value and restore when we're done
641 bool oldModified = m_modified;
642
643 if ( m_windowStyle & wxTE_MULTILINE )
644 {
645#ifdef __WXGTK20__
646
647#if wxUSE_UNICODE
648 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
649#else
650 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
651#endif
652 if ( !buffer )
653 {
654 // what else can we do? at least don't crash...
655 return;
656 }
657
658 // TODO: Call whatever is needed to delete the selection.
659 wxGtkTextInsert( m_text, m_buffer, m_defaultStyle, buffer );
660
661 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment( GTK_SCROLLED_WINDOW(m_widget) );
662 // Scroll to cursor, but only if scrollbar thumb is at the very bottom
663 if ( adj->value == adj->upper - adj->page_size )
664 {
665 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text),
666 gtk_text_buffer_get_insert( m_buffer ), 0.0, FALSE, 0.0, 1.0 );
667 }
668#else // GTK 1.x
669 // After cursor movements, gtk_text_get_point() is wrong by one.
670 gtk_text_set_point( GTK_TEXT(m_text), GET_EDITABLE_POS(m_text) );
671
672 // always use m_defaultStyle, even if it is empty as otherwise
673 // resetting the style and appending some more text wouldn't work: if
674 // we don't specify the style explicitly, the old style would be used
675 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
676 wxGtkTextInsert(m_text, m_defaultStyle, text.c_str(), text.Len());
677
678 // we called wxGtkTextInsert with correct font, no need to do anything
679 // in UpdateFontIfNeeded() any longer
680 if ( !text.empty() )
681 {
682 SetUpdateFont(FALSE);
683 }
684
685 // Bring editable's cursor back uptodate.
686 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
687#endif // GTK 1.x/2.0
688 }
689 else // single line
690 {
691 // First remove the selection if there is one
692 gtk_editable_delete_selection( GTK_EDITABLE(m_text) );
693
694 // This moves the cursor pos to behind the inserted text.
695 gint len = GET_EDITABLE_POS(m_text);
696
697#ifdef __WXGTK20__
698
699#if wxUSE_UNICODE
700 wxCharBuffer buffer( wxConvUTF8.cWX2MB( text ) );
701#else
702 wxCharBuffer buffer( wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) ) );
703#endif
704 gtk_editable_insert_text( GTK_EDITABLE(m_text), buffer, strlen(buffer), &len );
705
706#else
707 gtk_editable_insert_text( GTK_EDITABLE(m_text), text.c_str(), text.Len(), &len );
708#endif
709
710 // Bring entry's cursor uptodate.
711 gtk_entry_set_position( GTK_ENTRY(m_text), len );
712 }
713
714 m_modified = oldModified;
715}
716
717void wxTextCtrl::AppendText( const wxString &text )
718{
719 SetInsertionPointEnd();
720 WriteText( text );
721}
722
723wxString wxTextCtrl::GetLineText( long lineNo ) const
724{
725 if (m_windowStyle & wxTE_MULTILINE)
726 {
727#ifndef __WXGTK20__
728 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
729 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
730
731 if (text)
732 {
733 wxString buf(wxT(""));
734 long i;
735 int currentLine = 0;
736 for (i = 0; currentLine != lineNo && text[i]; i++ )
737 if (text[i] == '\n')
738 currentLine++;
739 // Now get the text
740 int j;
741 for (j = 0; text[i] && text[i] != '\n'; i++, j++ )
742 buf += text[i];
743
744 g_free( text );
745 return buf;
746 }
747 else
748 {
749 return wxEmptyString;
750 }
751#else
752 GtkTextIter line;
753 gtk_text_buffer_get_iter_at_line(m_buffer,&line,lineNo);
754 GtkTextIter end;
755 gtk_text_buffer_get_end_iter(m_buffer,&end );
756 gchar *text = gtk_text_buffer_get_text(m_buffer,&line,&end,TRUE);
757 wxString result(wxGTK_CONV_BACK(text));
758 g_free(text);
759 return result.BeforeFirst(wxT('\n'));
760#endif
761 }
762 else
763 {
764 if (lineNo == 0) return GetValue();
765 return wxEmptyString;
766 }
767}
768
769void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) )
770{
771 /* If you implement this, don't forget to update the documentation!
772 * (file docs/latex/wx/text.tex) */
773 wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") );
774}
775
776bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const
777{
778 if ( m_windowStyle & wxTE_MULTILINE )
779 {
780 wxString text = GetValue();
781
782 // cast to prevent warning. But pos really should've been unsigned.
783 if( (unsigned long)pos > text.Len() )
784 return FALSE;
785
786 *x=0; // First Col
787 *y=0; // First Line
788
789 const wxChar* stop = text.c_str() + pos;
790 for ( const wxChar *p = text.c_str(); p < stop; p++ )
791 {
792 if (*p == wxT('\n'))
793 {
794 (*y)++;
795 *x=0;
796 }
797 else
798 (*x)++;
799 }
800 }
801 else // single line control
802 {
803 if ( pos <= GTK_ENTRY(m_text)->text_length )
804 {
805 *y = 0;
806 *x = pos;
807 }
808 else
809 {
810 // index out of bounds
811 return FALSE;
812 }
813 }
814
815 return TRUE;
816}
817
818long wxTextCtrl::XYToPosition(long x, long y ) const
819{
820 if (!(m_windowStyle & wxTE_MULTILINE)) return 0;
821
822 long pos=0;
823 for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n'
824
825 pos += x;
826 return pos;
827}
828
829int wxTextCtrl::GetLineLength(long lineNo) const
830{
831 wxString str = GetLineText (lineNo);
832 return (int) str.Length();
833}
834
835int wxTextCtrl::GetNumberOfLines() const
836{
837 if (m_windowStyle & wxTE_MULTILINE)
838 {
839#ifdef __WXGTK20__
840 return gtk_text_buffer_get_line_count( m_buffer );
841#else
842 gint len = gtk_text_get_length( GTK_TEXT(m_text) );
843 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len );
844
845 if (text)
846 {
847 int currentLine = 0;
848 for (int i = 0; i < len; i++ )
849 {
850 if (text[i] == '\n')
851 currentLine++;
852 }
853 g_free( text );
854
855 // currentLine is 0 based, add 1 to get number of lines
856 return currentLine + 1;
857 }
858 else
859 {
860 return 0;
861 }
862#endif
863 }
864 else
865 {
866 return 1;
867 }
868}
869
870void wxTextCtrl::SetInsertionPoint( long pos )
871{
872 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
873
874 if ( IsMultiLine() )
875 {
876#ifdef __WXGTK20__
877 GtkTextIter iter;
878 gtk_text_buffer_get_iter_at_offset( m_buffer, &iter, pos );
879 gtk_text_buffer_place_cursor( m_buffer, &iter );
880 gtk_text_view_scroll_mark_onscreen
881 (
882 GTK_TEXT_VIEW(m_text),
883 gtk_text_buffer_get_insert( m_buffer )
884 );
885#else // GTK+ 1.x
886 gtk_signal_disconnect_by_func( GTK_OBJECT(m_text),
887 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
888
889 /* we fake a set_point by inserting and deleting. as the user
890 isn't supposed to get to know about this non-sense, we
891 disconnect so that no events are sent to the user program. */
892
893 gint tmp = (gint)pos;
894 gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp );
895 gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp );
896
897 gtk_signal_connect( GTK_OBJECT(m_text), "changed",
898 GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
899
900 // bring editable's cursor uptodate. Bug in GTK.
901 SET_EDITABLE_POS(m_text, gtk_text_get_point( GTK_TEXT(m_text) ));
902#endif // GTK+ 2/1
903 }
904 else
905 {
906 gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos );
907
908 // Bring editable's cursor uptodate. Bug in GTK.
909 SET_EDITABLE_POS(m_text, (guint32)pos);
910 }
911}
912
913void wxTextCtrl::SetInsertionPointEnd()
914{
915 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
916
917 if (m_windowStyle & wxTE_MULTILINE)
918 {
919#ifdef __WXGTK20__
920 GtkTextIter end;
921 gtk_text_buffer_get_end_iter( m_buffer, &end );
922 gtk_text_buffer_place_cursor( m_buffer, &end );
923#else
924 SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text)));
925#endif
926 }
927 else
928 {
929 gtk_entry_set_position( GTK_ENTRY(m_text), -1 );
930 }
931}
932
933void wxTextCtrl::SetEditable( bool editable )
934{
935 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
936
937 if (m_windowStyle & wxTE_MULTILINE)
938 {
939#ifdef __WXGTK20__
940 gtk_text_view_set_editable( GTK_TEXT_VIEW(m_text), editable );
941#else
942 gtk_text_set_editable( GTK_TEXT(m_text), editable );
943#endif
944 }
945 else
946 {
947 gtk_entry_set_editable( GTK_ENTRY(m_text), editable );
948 }
949}
950
951bool wxTextCtrl::Enable( bool enable )
952{
953 if (!wxWindowBase::Enable(enable))
954 {
955 // nothing to do
956 return FALSE;
957 }
958
959 if (m_windowStyle & wxTE_MULTILINE)
960 {
961#ifdef __WXGTK20__
962 SetEditable( enable );
963#else
964 gtk_text_set_editable( GTK_TEXT(m_text), enable );
965 OnParentEnable(enable);
966#endif
967 }
968 else
969 {
970 gtk_widget_set_sensitive( m_text, enable );
971 }
972
973 return TRUE;
974}
975
976// wxGTK-specific: called recursively by Enable,
977// to give widgets an oppprtunity to correct their colours after they
978// have been changed by Enable
979void wxTextCtrl::OnParentEnable( bool enable )
980{
981 // If we have a custom background colour, we use this colour in both
982 // disabled and enabled mode, or we end up with a different colour under the
983 // text.
984 wxColour oldColour = GetBackgroundColour();
985 if (oldColour.Ok())
986 {
987 // Need to set twice or it'll optimize the useful stuff out
988 if (oldColour == * wxWHITE)
989 SetBackgroundColour(*wxBLACK);
990 else
991 SetBackgroundColour(*wxWHITE);
992 SetBackgroundColour(oldColour);
993 }
994}
995
996void wxTextCtrl::MarkDirty()
997{
998 m_modified = TRUE;
999}
1000
1001void wxTextCtrl::DiscardEdits()
1002{
1003 m_modified = FALSE;
1004}
1005
1006// ----------------------------------------------------------------------------
1007// max text length support
1008// ----------------------------------------------------------------------------
1009
1010void wxTextCtrl::IgnoreNextTextUpdate()
1011{
1012 m_ignoreNextUpdate = TRUE;
1013}
1014
1015bool wxTextCtrl::IgnoreTextUpdate()
1016{
1017 if ( m_ignoreNextUpdate )
1018 {
1019 m_ignoreNextUpdate = FALSE;
1020
1021 return TRUE;
1022 }
1023
1024 return FALSE;
1025}
1026
1027void wxTextCtrl::SetMaxLength(unsigned long len)
1028{
1029 if ( !HasFlag(wxTE_MULTILINE) )
1030 {
1031 gtk_entry_set_max_length(GTK_ENTRY(m_text), len);
1032
1033 // there is a bug in GTK+ 1.2.x: "changed" signal is emitted even if
1034 // we had tried to enter more text than allowed by max text length and
1035 // the text wasn't really changed
1036 //
1037 // to detect this and generate TEXT_MAXLEN event instead of
1038 // TEXT_CHANGED one in this case we also catch "insert_text" signal
1039 //
1040 // when max len is set to 0 we disconnect our handler as it means that
1041 // we shouldn't check anything any more
1042 if ( len )
1043 {
1044 gtk_signal_connect( GTK_OBJECT(m_text),
1045 "insert_text",
1046 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1047 (gpointer)this);
1048 }
1049 else // no checking
1050 {
1051 gtk_signal_disconnect_by_func
1052 (
1053 GTK_OBJECT(m_text),
1054 GTK_SIGNAL_FUNC(gtk_insert_text_callback),
1055 (gpointer)this
1056 );
1057 }
1058 }
1059}
1060
1061void wxTextCtrl::SetSelection( long from, long to )
1062{
1063 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1064
1065 if (from == -1 && to == -1)
1066 {
1067 from = 0;
1068 to = GetValue().Length();
1069 }
1070
1071#ifndef __WXGTK20__
1072 if ( (m_windowStyle & wxTE_MULTILINE) &&
1073 !GTK_TEXT(m_text)->line_start_cache )
1074 {
1075 // tell the programmer that it didn't work
1076 wxLogDebug(_T("Can't call SetSelection() before realizing the control"));
1077 return;
1078 }
1079#endif
1080
1081 if (m_windowStyle & wxTE_MULTILINE)
1082 {
1083#ifdef __WXGTK20__
1084 GtkTextIter fromi, toi;
1085 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1086 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1087
1088 gtk_text_buffer_place_cursor( m_buffer, &toi );
1089 gtk_text_buffer_move_mark_by_name( m_buffer, "selection_bound", &fromi );
1090#else
1091 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1092#endif
1093 }
1094 else
1095 {
1096 gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1097 }
1098}
1099
1100void wxTextCtrl::ShowPosition( long pos )
1101{
1102 if (m_windowStyle & wxTE_MULTILINE)
1103 {
1104#ifdef __WXGTK20__
1105 GtkTextIter iter;
1106 gtk_text_buffer_get_start_iter( m_buffer, &iter );
1107 gtk_text_iter_set_offset( &iter, pos );
1108 GtkTextMark *mark = gtk_text_buffer_create_mark( m_buffer, NULL, &iter, TRUE );
1109 gtk_text_view_scroll_to_mark( GTK_TEXT_VIEW(m_text), mark, 0.0, FALSE, 0.0, 0.0 );
1110#else // GTK 1.x
1111 GtkAdjustment *vp = GTK_TEXT(m_text)->vadj;
1112 float totalLines = (float) GetNumberOfLines();
1113 long posX;
1114 long posY;
1115 PositionToXY(pos, &posX, &posY);
1116 float posLine = (float) posY;
1117 float p = (posLine/totalLines)*(vp->upper - vp->lower) + vp->lower;
1118 gtk_adjustment_set_value(GTK_TEXT(m_text)->vadj, p);
1119#endif // GTK 1.x/2.x
1120 }
1121}
1122
1123#ifdef __WXGTK20__
1124
1125wxTextCtrlHitTestResult
1126wxTextCtrl::HitTest(const wxPoint& pt, long *pos) const
1127{
1128 if ( !IsMultiLine() )
1129 {
1130 // not supported
1131 return wxTE_HT_UNKNOWN;
1132 }
1133
1134 int x, y;
1135 gtk_text_view_window_to_buffer_coords
1136 (
1137 GTK_TEXT_VIEW(m_text),
1138 GTK_TEXT_WINDOW_TEXT,
1139 pt.x, pt.y,
1140 &x, &y
1141 );
1142
1143 GtkTextIter iter;
1144 gtk_text_view_get_iter_at_location(GTK_TEXT_VIEW(m_text), &iter, x, y);
1145 if ( pos )
1146 *pos = gtk_text_iter_get_offset(&iter);
1147
1148 return wxTE_HT_ON_TEXT;
1149}
1150
1151#endif // __WXGTK20__
1152
1153long wxTextCtrl::GetInsertionPoint() const
1154{
1155 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1156
1157#ifdef __WXGTK20__
1158 if (m_windowStyle & wxTE_MULTILINE)
1159 {
1160 // There is no direct accessor for the cursor, but
1161 // internally, the cursor is the "mark" called
1162 // "insert" in the text view's btree structure.
1163
1164 GtkTextMark *mark = gtk_text_buffer_get_insert( m_buffer );
1165 GtkTextIter cursor;
1166 gtk_text_buffer_get_iter_at_mark( m_buffer, &cursor, mark );
1167
1168 return gtk_text_iter_get_offset( &cursor );
1169 }
1170 else
1171#endif
1172 {
1173 return (long) GET_EDITABLE_POS(m_text);
1174 }
1175}
1176
1177long wxTextCtrl::GetLastPosition() const
1178{
1179 wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") );
1180
1181 int pos = 0;
1182
1183 if (m_windowStyle & wxTE_MULTILINE)
1184 {
1185#ifdef __WXGTK20__
1186 GtkTextIter end;
1187 gtk_text_buffer_get_end_iter( m_buffer, &end );
1188
1189 pos = gtk_text_iter_get_offset( &end );
1190#else
1191 pos = gtk_text_get_length( GTK_TEXT(m_text) );
1192#endif
1193 }
1194 else
1195 {
1196 pos = GTK_ENTRY(m_text)->text_length;
1197 }
1198
1199 return (long)pos;
1200}
1201
1202void wxTextCtrl::Remove( long from, long to )
1203{
1204 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1205
1206#ifdef __WXGTK20__
1207 if (m_windowStyle & wxTE_MULTILINE)
1208 {
1209 GtkTextIter fromi, toi;
1210 gtk_text_buffer_get_iter_at_offset( m_buffer, &fromi, from );
1211 gtk_text_buffer_get_iter_at_offset( m_buffer, &toi, to );
1212
1213 gtk_text_buffer_delete( m_buffer, &fromi, &toi );
1214 }
1215 else // single line
1216#endif
1217 gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to );
1218}
1219
1220void wxTextCtrl::Replace( long from, long to, const wxString &value )
1221{
1222 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1223
1224 Remove( from, to );
1225
1226 if (!value.IsEmpty())
1227 {
1228#ifdef __WXGTK20__
1229 SetInsertionPoint( from );
1230 WriteText( value );
1231#else // GTK 1.x
1232 gint pos = (gint)from;
1233#if wxUSE_UNICODE
1234 wxWX2MBbuf buf = value.mbc_str();
1235 gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos );
1236#else
1237 gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos );
1238#endif // wxUSE_UNICODE
1239#endif // GTK 1.x/2.x
1240 }
1241}
1242
1243void wxTextCtrl::Cut()
1244{
1245 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1246
1247#ifdef __WXGTK20__
1248 if (m_windowStyle & wxTE_MULTILINE)
1249 g_signal_emit_by_name(m_text, "cut-clipboard");
1250 else
1251#endif
1252 gtk_editable_cut_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1253}
1254
1255void wxTextCtrl::Copy()
1256{
1257 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1258
1259#ifdef __WXGTK20__
1260 if (m_windowStyle & wxTE_MULTILINE)
1261 g_signal_emit_by_name(m_text, "copy-clipboard");
1262 else
1263#endif
1264 gtk_editable_copy_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1265}
1266
1267void wxTextCtrl::Paste()
1268{
1269 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1270
1271#ifdef __WXGTK20__
1272 if (m_windowStyle & wxTE_MULTILINE)
1273 g_signal_emit_by_name(m_text, "paste-clipboard");
1274 else
1275#endif
1276 gtk_editable_paste_clipboard(GTK_EDITABLE(m_text) DUMMY_CLIPBOARD_ARG);
1277}
1278
1279// Undo/redo
1280void wxTextCtrl::Undo()
1281{
1282 // TODO
1283 wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") );
1284}
1285
1286void wxTextCtrl::Redo()
1287{
1288 // TODO
1289 wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") );
1290}
1291
1292bool wxTextCtrl::CanUndo() const
1293{
1294 // TODO
1295 //wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") );
1296 return FALSE;
1297}
1298
1299bool wxTextCtrl::CanRedo() const
1300{
1301 // TODO
1302 //wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") );
1303 return FALSE;
1304}
1305
1306// If the return values from and to are the same, there is no
1307// selection.
1308void wxTextCtrl::GetSelection(long* fromOut, long* toOut) const
1309{
1310 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1311
1312 gint from = -1;
1313 gint to = -1;
1314 bool haveSelection = FALSE;
1315
1316#ifdef __WXGTK20__
1317 if (m_windowStyle & wxTE_MULTILINE)
1318 {
1319 GtkTextIter ifrom, ito;
1320 if ( gtk_text_buffer_get_selection_bounds(m_buffer, &ifrom, &ito) )
1321 {
1322 haveSelection = TRUE;
1323 from = gtk_text_iter_get_offset(&ifrom);
1324 to = gtk_text_iter_get_offset(&ito);
1325 }
1326 }
1327 else // not multi-line
1328 {
1329 if ( gtk_editable_get_selection_bounds( GTK_EDITABLE(m_text),
1330 &from, &to) )
1331 {
1332 haveSelection = TRUE;
1333 }
1334 }
1335#else // not GTK2
1336 if ( (GTK_EDITABLE(m_text)->has_selection) )
1337 {
1338 haveSelection = TRUE;
1339 from = (long) GTK_EDITABLE(m_text)->selection_start_pos;
1340 to = (long) GTK_EDITABLE(m_text)->selection_end_pos;
1341 }
1342#endif
1343
1344 if (! haveSelection )
1345 from = to = GetInsertionPoint();
1346
1347 if ( from > to )
1348 {
1349 // exchange them to be compatible with wxMSW
1350 gint tmp = from;
1351 from = to;
1352 to = tmp;
1353 }
1354
1355 if ( fromOut )
1356 *fromOut = from;
1357 if ( toOut )
1358 *toOut = to;
1359}
1360
1361
1362bool wxTextCtrl::IsEditable() const
1363{
1364 wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
1365
1366#ifdef __WXGTK20__
1367 if (m_windowStyle & wxTE_MULTILINE)
1368 {
1369 return gtk_text_view_get_editable(GTK_TEXT_VIEW(m_text));
1370 }
1371 else
1372 {
1373 return gtk_editable_get_editable(GTK_EDITABLE(m_text));
1374 }
1375#else
1376 return GTK_EDITABLE(m_text)->editable;
1377#endif
1378}
1379
1380bool wxTextCtrl::IsModified() const
1381{
1382 return m_modified;
1383}
1384
1385void wxTextCtrl::Clear()
1386{
1387 SetValue( wxT("") );
1388}
1389
1390void wxTextCtrl::OnChar( wxKeyEvent &key_event )
1391{
1392 wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") );
1393
1394 if ((key_event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER))
1395 {
1396 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1397 event.SetEventObject(this);
1398 event.SetString(GetValue());
1399 if (GetEventHandler()->ProcessEvent(event)) return;
1400 }
1401
1402 if ((key_event.GetKeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE))
1403 {
1404 // This will invoke the dialog default action, such
1405 // as the clicking the default button.
1406
1407 wxWindow *top_frame = m_parent;
1408 while (top_frame->GetParent() && !(top_frame->IsTopLevel()))
1409 top_frame = top_frame->GetParent();
1410
1411 if (top_frame && GTK_IS_WINDOW(top_frame->m_widget))
1412 {
1413 GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
1414
1415 if (window->default_widget)
1416 {
1417 gtk_widget_activate (window->default_widget);
1418 return;
1419 }
1420 }
1421 }
1422
1423 key_event.Skip();
1424}
1425
1426GtkWidget* wxTextCtrl::GetConnectWidget()
1427{
1428 return GTK_WIDGET(m_text);
1429}
1430
1431bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window )
1432{
1433 if (m_windowStyle & wxTE_MULTILINE)
1434 {
1435#ifdef __WXGTK20__
1436 return window == gtk_text_view_get_window( GTK_TEXT_VIEW( m_text ), GTK_TEXT_WINDOW_TEXT ); // pure guesswork
1437#else
1438 return (window == GTK_TEXT(m_text)->text_area);
1439#endif
1440 }
1441 else
1442 {
1443 return (window == GTK_ENTRY(m_text)->text_area);
1444 }
1445}
1446
1447// the font will change for subsequent text insertiongs
1448bool wxTextCtrl::SetFont( const wxFont &font )
1449{
1450 wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
1451
1452 if ( !wxTextCtrlBase::SetFont(font) )
1453 {
1454 // font didn't change, nothing to do
1455 return FALSE;
1456 }
1457
1458 if ( m_windowStyle & wxTE_MULTILINE )
1459 {
1460 SetUpdateFont(TRUE);
1461
1462 m_defaultStyle.SetFont(font);
1463
1464 ChangeFontGlobally();
1465 }
1466
1467 return TRUE;
1468}
1469
1470void wxTextCtrl::ChangeFontGlobally()
1471{
1472 // this method is very inefficient and hence should be called as rarely as
1473 // possible!
1474 //
1475 // TODO: it can be implemented much more efficiently for GTK2
1476#ifndef __WXGTK20__
1477 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE) && m_updateFont,
1478
1479 _T("shouldn't be called for single line controls") );
1480#else
1481 wxASSERT_MSG( (m_windowStyle & wxTE_MULTILINE),
1482 _T("shouldn't be called for single line controls") );
1483#endif
1484
1485 wxString value = GetValue();
1486 if ( !value.IsEmpty() )
1487 {
1488 SetUpdateFont(FALSE);
1489
1490 Clear();
1491 AppendText(value);
1492 }
1493}
1494
1495#ifndef __WXGTK20__
1496
1497void wxTextCtrl::UpdateFontIfNeeded()
1498{
1499 if ( m_updateFont )
1500 ChangeFontGlobally();
1501}
1502
1503#endif // GTK+ 1.x
1504
1505bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
1506{
1507 if ( !wxControl::SetForegroundColour(colour) )
1508 return FALSE;
1509
1510 // update default fg colour too
1511 m_defaultStyle.SetTextColour(colour);
1512
1513 return TRUE;
1514}
1515
1516bool wxTextCtrl::SetBackgroundColour( const wxColour &colour )
1517{
1518 wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") );
1519
1520 if ( !wxControl::SetBackgroundColour( colour ) )
1521 return FALSE;
1522
1523#ifndef __WXGTK20__
1524 if (!m_widget->window)
1525 return FALSE;
1526#endif
1527
1528 if (!m_backgroundColour.Ok())
1529 return FALSE;
1530
1531 if (m_windowStyle & wxTE_MULTILINE)
1532 {
1533#ifndef __WXGTK20__
1534 GdkWindow *window = GTK_TEXT(m_text)->text_area;
1535 if (!window)
1536 return FALSE;
1537 m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) );
1538 gdk_window_set_background( window, m_backgroundColour.GetColor() );
1539 gdk_window_clear( window );
1540#endif
1541 }
1542
1543 // change active background color too
1544 m_defaultStyle.SetBackgroundColour( colour );
1545
1546 return TRUE;
1547}
1548
1549bool wxTextCtrl::SetStyle( long start, long end, const wxTextAttr& style )
1550{
1551 if ( m_windowStyle & wxTE_MULTILINE )
1552 {
1553 if ( style.IsDefault() )
1554 {
1555 // nothing to do
1556 return TRUE;
1557 }
1558#ifdef __WXGTK20__
1559 gint l = gtk_text_buffer_get_char_count( m_buffer );
1560
1561 wxCHECK_MSG( start >= 0 && end <= l, FALSE,
1562 _T("invalid range in wxTextCtrl::SetStyle") );
1563
1564 GtkTextIter starti, endi;
1565 gtk_text_buffer_get_iter_at_offset( m_buffer, &starti, start );
1566 gtk_text_buffer_get_iter_at_offset( m_buffer, &endi, end );
1567
1568 // use the attributes from style which are set in it and fall back
1569 // first to the default style and then to the text control default
1570 // colours for the others
1571 wxTextAttr attr = wxTextAttr::Combine(style, m_defaultStyle, this);
1572
1573 wxGtkTextApplyTagsFromAttr( m_buffer, attr, &starti, &endi );
1574
1575 return TRUE;
1576#else
1577 // VERY dirty way to do that - removes the required text and re-adds it
1578 // with styling (FIXME)
1579
1580 gint l = gtk_text_get_length( GTK_TEXT(m_text) );
1581
1582 wxCHECK_MSG( start >= 0 && end <= l, FALSE,
1583 _T("invalid range in wxTextCtrl::SetStyle") );
1584
1585 gint old_pos = gtk_editable_get_position( GTK_EDITABLE(m_text) );
1586 char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), start, end );
1587 wxString tmp(text,*wxConvCurrent);
1588 g_free( text );
1589
1590 gtk_editable_delete_text( GTK_EDITABLE(m_text), start, end );
1591 gtk_editable_set_position( GTK_EDITABLE(m_text), start );
1592
1593#if wxUSE_UNICODE
1594 wxWX2MBbuf buf = tmp.mbc_str();
1595 const char *txt = buf;
1596 size_t txtlen = strlen(buf);
1597#else
1598 const char *txt = tmp;
1599 size_t txtlen = tmp.length();
1600#endif
1601
1602 // use the attributes from style which are set in it and fall back
1603 // first to the default style and then to the text control default
1604 // colours for the others
1605 wxGtkTextInsert(m_text,
1606 wxTextAttr::Combine(style, m_defaultStyle, this),
1607 txt,
1608 txtlen);
1609
1610 /* does not seem to help under GTK+ 1.2 !!!
1611 gtk_editable_set_position( GTK_EDITABLE(m_text), old_pos ); */
1612 SetInsertionPoint( old_pos );
1613#endif
1614 return TRUE;
1615 }
1616 else // singe line
1617 {
1618 // cannot do this for GTK+'s Entry widget
1619 return FALSE;
1620 }
1621}
1622
1623void wxTextCtrl::DoApplyWidgetStyle(GtkRcStyle *style)
1624{
1625 gtk_widget_modify_style(m_text, style);
1626}
1627
1628void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1629{
1630 Cut();
1631}
1632
1633void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1634{
1635 Copy();
1636}
1637
1638void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1639{
1640 Paste();
1641}
1642
1643void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1644{
1645 Undo();
1646}
1647
1648void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1649{
1650 Redo();
1651}
1652
1653void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1654{
1655 event.Enable( CanCut() );
1656}
1657
1658void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1659{
1660 event.Enable( CanCopy() );
1661}
1662
1663void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1664{
1665 event.Enable( CanPaste() );
1666}
1667
1668void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1669{
1670 event.Enable( CanUndo() );
1671}
1672
1673void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1674{
1675 event.Enable( CanRedo() );
1676}
1677
1678void wxTextCtrl::OnInternalIdle()
1679{
1680 wxCursor cursor = m_cursor;
1681 if (g_globalCursor.Ok()) cursor = g_globalCursor;
1682
1683 if (cursor.Ok())
1684 {
1685#ifndef __WXGTK20__
1686 GdkWindow *window = (GdkWindow*) NULL;
1687 if (HasFlag(wxTE_MULTILINE))
1688 window = GTK_TEXT(m_text)->text_area;
1689 else
1690 window = GTK_ENTRY(m_text)->text_area;
1691
1692 if (window)
1693 gdk_window_set_cursor( window, cursor.GetCursor() );
1694
1695 if (!g_globalCursor.Ok())
1696 cursor = *wxSTANDARD_CURSOR;
1697
1698 window = m_widget->window;
1699 if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget)))
1700 gdk_window_set_cursor( window, cursor.GetCursor() );
1701#endif
1702 }
1703
1704 if (g_delayedFocus == this)
1705 {
1706 if (GTK_WIDGET_REALIZED(m_widget))
1707 {
1708 gtk_widget_grab_focus( m_widget );
1709 g_delayedFocus = NULL;
1710 }
1711 }
1712
1713 if (wxUpdateUIEvent::CanUpdate(this))
1714 UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
1715}
1716
1717wxSize wxTextCtrl::DoGetBestSize() const
1718{
1719 // FIXME should be different for multi-line controls...
1720 wxSize ret( wxControl::DoGetBestSize() );
1721 wxSize best(80, ret.y);
1722 CacheBestSize(best);
1723 return best;
1724}
1725
1726// ----------------------------------------------------------------------------
1727// freeze/thaw
1728// ----------------------------------------------------------------------------
1729
1730void wxTextCtrl::Freeze()
1731{
1732 if ( HasFlag(wxTE_MULTILINE) )
1733 {
1734#ifdef __WXGTK20__
1735 if ( !m_frozenness++ )
1736 {
1737 // freeze textview updates and remove buffer
1738 g_signal_connect( G_OBJECT(m_text), "expose_event",
1739 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
1740 g_signal_connect( G_OBJECT(m_widget), "expose_event",
1741 GTK_SIGNAL_FUNC(gtk_text_exposed_callback), (gpointer)this);
1742 gtk_widget_set_sensitive(m_widget, false);
1743 g_object_ref(m_buffer);
1744 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), gtk_text_buffer_new(NULL));
1745 }
1746#else
1747 gtk_text_freeze(GTK_TEXT(m_text));
1748#endif
1749 }
1750}
1751
1752void wxTextCtrl::Thaw()
1753{
1754 if ( HasFlag(wxTE_MULTILINE) )
1755 {
1756#ifdef __WXGTK20__
1757 wxASSERT_MSG( m_frozenness > 0, _T("Thaw() without matching Freeze()") );
1758
1759 if ( !--m_frozenness )
1760 {
1761 // Reattach buffer and thaw textview updates
1762 gtk_text_view_set_buffer(GTK_TEXT_VIEW(m_text), m_buffer);
1763 g_object_unref(m_buffer);
1764 gtk_widget_set_sensitive(m_widget, true);
1765 g_signal_handlers_disconnect_by_func(m_widget, (gpointer)gtk_text_exposed_callback, this);
1766 g_signal_handlers_disconnect_by_func(m_text, (gpointer)gtk_text_exposed_callback, this);
1767 }
1768#else
1769 GTK_TEXT(m_text)->vadj->value = 0.0;
1770
1771 gtk_text_thaw(GTK_TEXT(m_text));
1772#endif
1773 }
1774}
1775
1776// ----------------------------------------------------------------------------
1777// scrolling
1778// ----------------------------------------------------------------------------
1779
1780GtkAdjustment *wxTextCtrl::GetVAdj() const
1781{
1782 if ( !IsMultiLine() )
1783 return NULL;
1784
1785#ifdef __WXGTK20__
1786 return gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(m_widget));
1787#else
1788 return GTK_TEXT(m_text)->vadj;
1789#endif
1790}
1791
1792bool wxTextCtrl::DoScroll(GtkAdjustment *adj, int diff)
1793{
1794 float value = adj->value + diff;
1795
1796 if ( value < 0 )
1797 value = 0;
1798
1799 float upper = adj->upper - adj->page_size;
1800 if ( value > upper )
1801 value = upper;
1802
1803 // did we noticeably change the scroll position?
1804 if ( fabs(adj->value - value) < 0.2 )
1805 {
1806 // well, this is what Robert does in wxScrollBar, so it must be good...
1807 return FALSE;
1808 }
1809
1810 adj->value = value;
1811
1812#ifdef __WXGTK20__
1813 gtk_adjustment_value_changed(GTK_ADJUSTMENT(adj));
1814#else
1815 gtk_signal_emit_by_name(GTK_OBJECT(adj), "value_changed");
1816#endif
1817
1818 return TRUE;
1819}
1820
1821bool wxTextCtrl::ScrollLines(int lines)
1822{
1823 GtkAdjustment *adj = GetVAdj();
1824 if ( !adj )
1825 return FALSE;
1826
1827#ifdef __WXGTK20__
1828 int diff = (int)ceil(lines*adj->step_increment);
1829#else
1830 // this is hardcoded to 10 in GTK+ 1.2 (great idea)
1831 int diff = 10*lines;
1832#endif
1833
1834 return DoScroll(adj, diff);
1835}
1836
1837bool wxTextCtrl::ScrollPages(int pages)
1838{
1839 GtkAdjustment *adj = GetVAdj();
1840 if ( !adj )
1841 return FALSE;
1842
1843 return DoScroll(adj, (int)ceil(pages*adj->page_increment));
1844}
1845
1846
1847// static
1848wxVisualAttributes
1849wxTextCtrl::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
1850{
1851 return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
1852}
wxWidgets (Impactor)