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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 | #ifdef __GNUG__ | |
11 | #pragma implementation "textctrl.h" | |
12 | #endif | |
13 | ||
14 | #include "wx/textctrl.h" | |
15 | #include "wx/utils.h" | |
16 | #include "wx/intl.h" | |
17 | #include "wx/settings.h" | |
18 | ||
19 | #include <sys/types.h> | |
20 | #include <sys/stat.h> | |
21 | #include <ctype.h> | |
22 | ||
23 | #include "gdk/gdk.h" | |
24 | #include "gtk/gtk.h" | |
25 | #include "gdk/gdkkeysyms.h" | |
26 | ||
27 | //----------------------------------------------------------------------------- | |
28 | // idle system | |
29 | //----------------------------------------------------------------------------- | |
30 | ||
31 | extern void wxapp_install_idle_handler(); | |
32 | extern bool g_isIdle; | |
33 | ||
34 | //----------------------------------------------------------------------------- | |
35 | // data | |
36 | //----------------------------------------------------------------------------- | |
37 | ||
38 | extern bool g_blockEventsOnDrag; | |
39 | extern wxCursor g_globalCursor; | |
40 | ||
41 | //----------------------------------------------------------------------------- | |
42 | // "changed" | |
43 | //----------------------------------------------------------------------------- | |
44 | ||
45 | static void | |
46 | gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) | |
47 | { | |
48 | if (!win->m_hasVMT) return; | |
49 | ||
50 | if (g_isIdle) | |
51 | wxapp_install_idle_handler(); | |
52 | ||
53 | win->SetModified(); | |
54 | ||
55 | wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() ); | |
56 | event.SetString( win->GetValue() ); | |
57 | event.SetEventObject( win ); | |
58 | win->GetEventHandler()->ProcessEvent( event ); | |
59 | } | |
60 | ||
61 | //----------------------------------------------------------------------------- | |
62 | // "changed" from vertical scrollbar | |
63 | //----------------------------------------------------------------------------- | |
64 | ||
65 | static void | |
66 | gtk_scrollbar_changed_callback( GtkWidget *WXUNUSED(widget), wxTextCtrl *win ) | |
67 | { | |
68 | if (!win->m_hasVMT) return; | |
69 | ||
70 | if (g_isIdle) | |
71 | wxapp_install_idle_handler(); | |
72 | ||
73 | win->CalculateScrollbar(); | |
74 | } | |
75 | ||
76 | //----------------------------------------------------------------------------- | |
77 | // wxTextCtrl | |
78 | //----------------------------------------------------------------------------- | |
79 | ||
80 | IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl,wxControl) | |
81 | ||
82 | BEGIN_EVENT_TABLE(wxTextCtrl, wxControl) | |
83 | EVT_CHAR(wxTextCtrl::OnChar) | |
84 | ||
85 | EVT_MENU(wxID_CUT, wxTextCtrl::OnCut) | |
86 | EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy) | |
87 | EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste) | |
88 | EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo) | |
89 | EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo) | |
90 | ||
91 | EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut) | |
92 | EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy) | |
93 | EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste) | |
94 | EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo) | |
95 | EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo) | |
96 | END_EVENT_TABLE() | |
97 | ||
98 | wxTextCtrl::wxTextCtrl() | |
99 | { | |
100 | m_modified = FALSE; | |
101 | m_text = | |
102 | m_vScrollbar = (GtkWidget *)NULL; | |
103 | } | |
104 | ||
105 | wxTextCtrl::wxTextCtrl( wxWindow *parent, | |
106 | wxWindowID id, | |
107 | const wxString &value, | |
108 | const wxPoint &pos, | |
109 | const wxSize &size, | |
110 | long style, | |
111 | const wxValidator& validator, | |
112 | const wxString &name ) | |
113 | { | |
114 | m_modified = FALSE; | |
115 | Create( parent, id, value, pos, size, style, validator, name ); | |
116 | } | |
117 | ||
118 | bool wxTextCtrl::Create( wxWindow *parent, | |
119 | wxWindowID id, | |
120 | const wxString &value, | |
121 | const wxPoint &pos, | |
122 | const wxSize &size, | |
123 | long style, | |
124 | const wxValidator& validator, | |
125 | const wxString &name ) | |
126 | { | |
127 | m_needParent = TRUE; | |
128 | m_acceptsFocus = TRUE; | |
129 | ||
130 | if (!PreCreation( parent, pos, size ) || | |
131 | !CreateBase( parent, id, pos, size, style, validator, name )) | |
132 | { | |
133 | wxFAIL_MSG( wxT("wxTextCtrl creation failed") ); | |
134 | return FALSE; | |
135 | } | |
136 | ||
137 | ||
138 | m_vScrollbarVisible = FALSE; | |
139 | ||
140 | bool multi_line = (style & wxTE_MULTILINE) != 0; | |
141 | if (multi_line) | |
142 | { | |
143 | #if (GTK_MINOR_VERSION > 2) | |
144 | /* a multi-line edit control: create a vertical scrollbar by default and | |
145 | horizontal if requested */ | |
146 | bool bHasHScrollbar = (style & wxHSCROLL) != 0; | |
147 | #else | |
148 | bool bHasHScrollbar = FALSE; | |
149 | #endif | |
150 | ||
151 | /* create our control ... */ | |
152 | m_text = gtk_text_new( (GtkAdjustment *) NULL, (GtkAdjustment *) NULL ); | |
153 | ||
154 | /* ... and put into the upper left hand corner of the table */ | |
155 | m_widget = gtk_table_new(bHasHScrollbar ? 2 : 1, 2, FALSE); | |
156 | GTK_WIDGET_UNSET_FLAGS( m_widget, GTK_CAN_FOCUS ); | |
157 | gtk_table_attach( GTK_TABLE(m_widget), m_text, 0, 1, 0, 1, | |
158 | (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), | |
159 | (GtkAttachOptions)(GTK_FILL | GTK_EXPAND | GTK_SHRINK), | |
160 | 0, 0); | |
161 | ||
162 | /* always wrap words */ | |
163 | gtk_text_set_word_wrap( GTK_TEXT(m_text), TRUE ); | |
164 | ||
165 | #if (GTK_MINOR_VERSION > 2) | |
166 | /* put the horizontal scrollbar in the lower left hand corner */ | |
167 | if (bHasHScrollbar) | |
168 | { | |
169 | GtkWidget *hscrollbar = gtk_hscrollbar_new(GTK_TEXT(m_text)->hadj); | |
170 | GTK_WIDGET_UNSET_FLAGS( hscrollbar, GTK_CAN_FOCUS ); | |
171 | gtk_table_attach(GTK_TABLE(m_widget), hscrollbar, 0, 1, 1, 2, | |
172 | (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), | |
173 | GTK_FILL, | |
174 | 0, 0); | |
175 | gtk_widget_show(hscrollbar); | |
176 | ||
177 | /* don't wrap lines, otherwise we wouldn't need the scrollbar */ | |
178 | gtk_text_set_line_wrap( GTK_TEXT(m_text), FALSE ); | |
179 | } | |
180 | #endif | |
181 | ||
182 | /* finally, put the vertical scrollbar in the upper right corner */ | |
183 | m_vScrollbar = gtk_vscrollbar_new( GTK_TEXT(m_text)->vadj ); | |
184 | GTK_WIDGET_UNSET_FLAGS( m_vScrollbar, GTK_CAN_FOCUS ); | |
185 | gtk_table_attach(GTK_TABLE(m_widget), m_vScrollbar, 1, 2, 0, 1, | |
186 | GTK_FILL, | |
187 | (GtkAttachOptions)(GTK_EXPAND | GTK_FILL | GTK_SHRINK), | |
188 | 0, 0); | |
189 | } | |
190 | else | |
191 | { | |
192 | /* a single-line text control: no need for scrollbars */ | |
193 | m_widget = | |
194 | m_text = gtk_entry_new(); | |
195 | } | |
196 | ||
197 | m_parent->DoAddChild( this ); | |
198 | ||
199 | PostCreation(); | |
200 | ||
201 | SetFont( parent->GetFont() ); | |
202 | ||
203 | wxSize size_best( DoGetBestSize() ); | |
204 | wxSize new_size( size ); | |
205 | if (new_size.x == -1) | |
206 | new_size.x = size_best.x; | |
207 | if (new_size.y == -1) | |
208 | new_size.y = size_best.y; | |
209 | if ((new_size.x != size.x) || (new_size.y != size.y)) | |
210 | SetSize( new_size.x, new_size.y ); | |
211 | ||
212 | if (multi_line) | |
213 | gtk_widget_show(m_text); | |
214 | ||
215 | /* we want to be notified about text changes */ | |
216 | gtk_signal_connect( GTK_OBJECT(m_text), "changed", | |
217 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); | |
218 | ||
219 | if (multi_line) | |
220 | { | |
221 | gtk_signal_connect(GTK_OBJECT(GTK_TEXT(m_text)->vadj), "changed", | |
222 | (GtkSignalFunc) gtk_scrollbar_changed_callback, (gpointer) this ); | |
223 | } | |
224 | ||
225 | if (!value.IsEmpty()) | |
226 | { | |
227 | gint tmp = 0; | |
228 | ||
229 | #if GTK_MINOR_VERSION == 0 | |
230 | // if we don't realize it, GTK 1.0.6 dies with a SIGSEGV in | |
231 | // gtk_editable_insert_text() | |
232 | gtk_widget_realize(m_text); | |
233 | #endif // GTK 1.0 | |
234 | ||
235 | #if wxUSE_UNICODE | |
236 | wxWX2MBbuf val = value.mbc_str(); | |
237 | gtk_editable_insert_text( GTK_EDITABLE(m_text), val, strlen(val), &tmp ); | |
238 | #else // !Unicode | |
239 | gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &tmp ); | |
240 | #endif // Unicode/!Unicode | |
241 | ||
242 | if (multi_line) | |
243 | { | |
244 | /* bring editable's cursor uptodate. bug in GTK. */ | |
245 | ||
246 | GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); | |
247 | } | |
248 | } | |
249 | ||
250 | if (style & wxTE_PASSWORD) | |
251 | { | |
252 | if (!multi_line) | |
253 | gtk_entry_set_visibility( GTK_ENTRY(m_text), FALSE ); | |
254 | } | |
255 | ||
256 | if (style & wxTE_READONLY) | |
257 | { | |
258 | if (!multi_line) | |
259 | gtk_entry_set_editable( GTK_ENTRY(m_text), FALSE ); | |
260 | } | |
261 | else | |
262 | { | |
263 | if (multi_line) | |
264 | gtk_text_set_editable( GTK_TEXT(m_text), 1 ); | |
265 | } | |
266 | ||
267 | SetBackgroundColour( wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW) ); | |
268 | SetForegroundColour( parent->GetForegroundColour() ); | |
269 | ||
270 | m_cursor = wxCursor( wxCURSOR_IBEAM ); | |
271 | ||
272 | Show( TRUE ); | |
273 | ||
274 | return TRUE; | |
275 | } | |
276 | ||
277 | void wxTextCtrl::CalculateScrollbar() | |
278 | { | |
279 | if ((m_windowStyle & wxTE_MULTILINE) == 0) return; | |
280 | ||
281 | GtkAdjustment *adj = GTK_TEXT(m_text)->vadj; | |
282 | ||
283 | if (adj->upper - adj->page_size < 0.8) | |
284 | { | |
285 | if (m_vScrollbarVisible) | |
286 | { | |
287 | gtk_widget_hide( m_vScrollbar ); | |
288 | m_vScrollbarVisible = FALSE; | |
289 | } | |
290 | } | |
291 | else | |
292 | { | |
293 | if (!m_vScrollbarVisible) | |
294 | { | |
295 | gtk_widget_show( m_vScrollbar ); | |
296 | m_vScrollbarVisible = TRUE; | |
297 | } | |
298 | } | |
299 | } | |
300 | ||
301 | wxString wxTextCtrl::GetValue() const | |
302 | { | |
303 | wxCHECK_MSG( m_text != NULL, wxT(""), wxT("invalid text ctrl") ); | |
304 | ||
305 | wxString tmp; | |
306 | if (m_windowStyle & wxTE_MULTILINE) | |
307 | { | |
308 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); | |
309 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); | |
310 | tmp = wxString(text,*wxConvCurrent); | |
311 | g_free( text ); | |
312 | } | |
313 | else | |
314 | { | |
315 | tmp = wxString(gtk_entry_get_text( GTK_ENTRY(m_text) ),*wxConvCurrent); | |
316 | } | |
317 | return tmp; | |
318 | } | |
319 | ||
320 | void wxTextCtrl::SetValue( const wxString &value ) | |
321 | { | |
322 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
323 | ||
324 | wxString tmp = wxT(""); | |
325 | if (!value.IsNull()) tmp = value; | |
326 | if (m_windowStyle & wxTE_MULTILINE) | |
327 | { | |
328 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); | |
329 | gtk_editable_delete_text( GTK_EDITABLE(m_text), 0, len ); | |
330 | len = 0; | |
331 | #if wxUSE_UNICODE | |
332 | wxWX2MBbuf tmpbuf = tmp.mbc_str(); | |
333 | gtk_editable_insert_text( GTK_EDITABLE(m_text), tmpbuf, strlen(tmpbuf), &len ); | |
334 | #else | |
335 | gtk_editable_insert_text( GTK_EDITABLE(m_text), tmp.mbc_str(), tmp.Length(), &len ); | |
336 | #endif | |
337 | } | |
338 | else | |
339 | { | |
340 | gtk_entry_set_text( GTK_ENTRY(m_text), tmp.mbc_str() ); | |
341 | } | |
342 | ||
343 | // GRG, Jun/2000: Changed this after a lot of discussion in | |
344 | // the lists. wxWindows 2.2 will have a set of flags to | |
345 | // customize this behaviour. | |
346 | SetInsertionPoint(0); | |
347 | ||
348 | m_modified = FALSE; | |
349 | } | |
350 | ||
351 | void wxTextCtrl::WriteText( const wxString &text ) | |
352 | { | |
353 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
354 | ||
355 | if (text.IsEmpty()) return; | |
356 | ||
357 | if (m_windowStyle & wxTE_MULTILINE) | |
358 | { | |
359 | /* this moves the cursor pos to behind the inserted text */ | |
360 | gint len = GTK_EDITABLE(m_text)->current_pos; | |
361 | ||
362 | #if wxUSE_UNICODE | |
363 | wxWX2MBbuf buf = text.mbc_str(); | |
364 | gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); | |
365 | #else | |
366 | gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); | |
367 | #endif | |
368 | ||
369 | /* bring editable's cursor uptodate. bug in GTK. */ | |
370 | GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); | |
371 | } | |
372 | else | |
373 | { | |
374 | /* this moves the cursor pos to behind the inserted text */ | |
375 | gint len = GTK_EDITABLE(m_text)->current_pos; | |
376 | #if wxUSE_UNICODE | |
377 | wxWX2MBbuf buf = text.mbc_str(); | |
378 | gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); | |
379 | #else | |
380 | gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); | |
381 | #endif | |
382 | ||
383 | /* bring editable's cursor uptodate. bug in GTK. */ | |
384 | GTK_EDITABLE(m_text)->current_pos += text.Len(); | |
385 | ||
386 | /* bring entry's cursor uptodate. bug in GTK. */ | |
387 | gtk_entry_set_position( GTK_ENTRY(m_text), GTK_EDITABLE(m_text)->current_pos ); | |
388 | } | |
389 | } | |
390 | ||
391 | void wxTextCtrl::AppendText( const wxString &text ) | |
392 | { | |
393 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
394 | ||
395 | if (text.IsEmpty()) return; | |
396 | ||
397 | if (m_windowStyle & wxTE_MULTILINE) | |
398 | { | |
399 | bool hasSpecialAttributes = m_font.Ok() || | |
400 | m_foregroundColour.Ok() || | |
401 | m_backgroundColour.Ok(); | |
402 | if ( hasSpecialAttributes ) | |
403 | { | |
404 | gtk_text_insert( GTK_TEXT(m_text), | |
405 | m_font.GetInternalFont(), | |
406 | m_foregroundColour.GetColor(), | |
407 | m_backgroundColour.GetColor(), | |
408 | text.mbc_str(), text.length()); | |
409 | ||
410 | } | |
411 | else | |
412 | { | |
413 | /* we'll insert at the last position */ | |
414 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); | |
415 | #if wxUSE_UNICODE | |
416 | wxWX2MBbuf buf = text.mbc_str(); | |
417 | gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &len ); | |
418 | #else | |
419 | gtk_editable_insert_text( GTK_EDITABLE(m_text), text, text.Length(), &len ); | |
420 | #endif | |
421 | } | |
422 | ||
423 | /* bring editable's cursor uptodate. bug in GTK. */ | |
424 | GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); | |
425 | } | |
426 | else | |
427 | { | |
428 | gtk_entry_append_text( GTK_ENTRY(m_text), text.mbc_str() ); | |
429 | } | |
430 | } | |
431 | ||
432 | wxString wxTextCtrl::GetLineText( long lineNo ) const | |
433 | { | |
434 | if (m_windowStyle & wxTE_MULTILINE) | |
435 | { | |
436 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); | |
437 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); | |
438 | ||
439 | if (text) | |
440 | { | |
441 | wxString buf(wxT("")); | |
442 | long i; | |
443 | int currentLine = 0; | |
444 | for (i = 0; currentLine != lineNo && text[i]; i++ ) | |
445 | if (text[i] == '\n') | |
446 | currentLine++; | |
447 | // Now get the text | |
448 | int j; | |
449 | for (j = 0; text[i] && text[i] != '\n'; i++, j++ ) | |
450 | buf += text[i]; | |
451 | ||
452 | g_free( text ); | |
453 | return buf; | |
454 | } | |
455 | else | |
456 | return wxEmptyString; | |
457 | } | |
458 | else | |
459 | { | |
460 | if (lineNo == 0) return GetValue(); | |
461 | return wxEmptyString; | |
462 | } | |
463 | } | |
464 | ||
465 | void wxTextCtrl::OnDropFiles( wxDropFilesEvent &WXUNUSED(event) ) | |
466 | { | |
467 | /* If you implement this, don't forget to update the documentation! | |
468 | * (file docs/latex/wx/text.tex) */ | |
469 | wxFAIL_MSG( wxT("wxTextCtrl::OnDropFiles not implemented") ); | |
470 | } | |
471 | ||
472 | bool wxTextCtrl::PositionToXY(long pos, long *x, long *y ) const | |
473 | { | |
474 | if ( m_windowStyle & wxTE_MULTILINE ) | |
475 | { | |
476 | wxString text = GetValue(); | |
477 | ||
478 | // cast to prevent warning. But pos really should've been unsigned. | |
479 | if( (unsigned long)pos > text.Len() ) | |
480 | return FALSE; | |
481 | ||
482 | *x=0; // First Col | |
483 | *y=0; // First Line | |
484 | ||
485 | const wxChar* stop = text.c_str() + pos; | |
486 | for ( const wxChar *p = text.c_str(); p < stop; p++ ) | |
487 | { | |
488 | if (*p == wxT('\n')) | |
489 | { | |
490 | (*y)++; | |
491 | *x=0; | |
492 | } | |
493 | else | |
494 | (*x)++; | |
495 | } | |
496 | } | |
497 | else // single line control | |
498 | { | |
499 | if ( pos <= GTK_ENTRY(m_text)->text_length ) | |
500 | { | |
501 | *y = 0; | |
502 | *x = pos; | |
503 | } | |
504 | else | |
505 | { | |
506 | // index out of bounds | |
507 | return FALSE; | |
508 | } | |
509 | } | |
510 | ||
511 | return TRUE; | |
512 | } | |
513 | ||
514 | long wxTextCtrl::XYToPosition(long x, long y ) const | |
515 | { | |
516 | if (!(m_windowStyle & wxTE_MULTILINE)) return 0; | |
517 | ||
518 | long pos=0; | |
519 | for( int i=0; i<y; i++ ) pos += GetLineLength(i) + 1; // one for '\n' | |
520 | ||
521 | pos += x; | |
522 | return pos; | |
523 | } | |
524 | ||
525 | int wxTextCtrl::GetLineLength(long lineNo) const | |
526 | { | |
527 | wxString str = GetLineText (lineNo); | |
528 | return (int) str.Length(); | |
529 | } | |
530 | ||
531 | int wxTextCtrl::GetNumberOfLines() const | |
532 | { | |
533 | if (m_windowStyle & wxTE_MULTILINE) | |
534 | { | |
535 | gint len = gtk_text_get_length( GTK_TEXT(m_text) ); | |
536 | char *text = gtk_editable_get_chars( GTK_EDITABLE(m_text), 0, len ); | |
537 | ||
538 | if (text) | |
539 | { | |
540 | int currentLine = 0; | |
541 | for (int i = 0; i < len; i++ ) | |
542 | { | |
543 | if (text[i] == '\n') | |
544 | currentLine++; | |
545 | } | |
546 | g_free( text ); | |
547 | ||
548 | // currentLine is 0 based, add 1 to get number of lines | |
549 | return currentLine + 1; | |
550 | } | |
551 | else | |
552 | { | |
553 | return 0; | |
554 | } | |
555 | } | |
556 | else | |
557 | { | |
558 | return 1; | |
559 | } | |
560 | } | |
561 | ||
562 | void wxTextCtrl::SetInsertionPoint( long pos ) | |
563 | { | |
564 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
565 | ||
566 | if (m_windowStyle & wxTE_MULTILINE) | |
567 | { | |
568 | /* seems to be broken in GTK 1.0.X: | |
569 | gtk_text_set_point( GTK_TEXT(m_text), (int)pos ); */ | |
570 | ||
571 | gtk_signal_disconnect_by_func( GTK_OBJECT(m_text), | |
572 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); | |
573 | ||
574 | /* we fake a set_point by inserting and deleting. as the user | |
575 | isn't supposed to get to know about thos non-sense, we | |
576 | disconnect so that no events are sent to the user program. */ | |
577 | ||
578 | gint tmp = (gint)pos; | |
579 | gtk_editable_insert_text( GTK_EDITABLE(m_text), " ", 1, &tmp ); | |
580 | gtk_editable_delete_text( GTK_EDITABLE(m_text), tmp-1, tmp ); | |
581 | ||
582 | gtk_signal_connect( GTK_OBJECT(m_text), "changed", | |
583 | GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this); | |
584 | ||
585 | /* bring editable's cursor uptodate. another bug in GTK. */ | |
586 | ||
587 | GTK_EDITABLE(m_text)->current_pos = gtk_text_get_point( GTK_TEXT(m_text) ); | |
588 | } | |
589 | else | |
590 | { | |
591 | gtk_entry_set_position( GTK_ENTRY(m_text), (int)pos ); | |
592 | ||
593 | /* bring editable's cursor uptodate. bug in GTK. */ | |
594 | ||
595 | GTK_EDITABLE(m_text)->current_pos = (guint32)pos; | |
596 | } | |
597 | } | |
598 | ||
599 | void wxTextCtrl::SetInsertionPointEnd() | |
600 | { | |
601 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
602 | ||
603 | if (m_windowStyle & wxTE_MULTILINE) | |
604 | SetInsertionPoint(gtk_text_get_length(GTK_TEXT(m_text))); | |
605 | else | |
606 | gtk_entry_set_position( GTK_ENTRY(m_text), -1 ); | |
607 | } | |
608 | ||
609 | void wxTextCtrl::SetEditable( bool editable ) | |
610 | { | |
611 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
612 | ||
613 | if (m_windowStyle & wxTE_MULTILINE) | |
614 | gtk_text_set_editable( GTK_TEXT(m_text), editable ); | |
615 | else | |
616 | gtk_entry_set_editable( GTK_ENTRY(m_text), editable ); | |
617 | } | |
618 | ||
619 | bool wxTextCtrl::Enable( bool enable ) | |
620 | { | |
621 | if (!wxWindowBase::Enable(enable)) | |
622 | { | |
623 | // nothing to do | |
624 | return FALSE; | |
625 | } | |
626 | ||
627 | if (m_windowStyle & wxTE_MULTILINE) | |
628 | { | |
629 | gtk_text_set_editable( GTK_TEXT(m_text), enable ); | |
630 | } | |
631 | else | |
632 | { | |
633 | gtk_widget_set_sensitive( m_text, enable ); | |
634 | } | |
635 | ||
636 | return TRUE; | |
637 | } | |
638 | ||
639 | void wxTextCtrl::DiscardEdits() | |
640 | { | |
641 | m_modified = FALSE; | |
642 | } | |
643 | ||
644 | void wxTextCtrl::SetSelection( long from, long to ) | |
645 | { | |
646 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
647 | ||
648 | gtk_editable_select_region( GTK_EDITABLE(m_text), (gint)from, (gint)to ); | |
649 | } | |
650 | ||
651 | void wxTextCtrl::ShowPosition( long WXUNUSED(pos) ) | |
652 | { | |
653 | // SetInsertionPoint( pos ); | |
654 | } | |
655 | ||
656 | long wxTextCtrl::GetInsertionPoint() const | |
657 | { | |
658 | wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); | |
659 | ||
660 | return (long) GTK_EDITABLE(m_text)->current_pos; | |
661 | } | |
662 | ||
663 | long wxTextCtrl::GetLastPosition() const | |
664 | { | |
665 | wxCHECK_MSG( m_text != NULL, 0, wxT("invalid text ctrl") ); | |
666 | ||
667 | int pos = 0; | |
668 | if (m_windowStyle & wxTE_MULTILINE) | |
669 | pos = gtk_text_get_length( GTK_TEXT(m_text) ); | |
670 | else | |
671 | pos = GTK_ENTRY(m_text)->text_length; | |
672 | ||
673 | return (long)pos; | |
674 | } | |
675 | ||
676 | void wxTextCtrl::Remove( long from, long to ) | |
677 | { | |
678 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
679 | ||
680 | gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); | |
681 | } | |
682 | ||
683 | void wxTextCtrl::Replace( long from, long to, const wxString &value ) | |
684 | { | |
685 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
686 | ||
687 | gtk_editable_delete_text( GTK_EDITABLE(m_text), (gint)from, (gint)to ); | |
688 | ||
689 | if (!value.IsEmpty()) | |
690 | { | |
691 | gint pos = (gint)from; | |
692 | #if wxUSE_UNICODE | |
693 | wxWX2MBbuf buf = value.mbc_str(); | |
694 | gtk_editable_insert_text( GTK_EDITABLE(m_text), buf, strlen(buf), &pos ); | |
695 | #else | |
696 | gtk_editable_insert_text( GTK_EDITABLE(m_text), value, value.Length(), &pos ); | |
697 | #endif | |
698 | } | |
699 | } | |
700 | ||
701 | void wxTextCtrl::Cut() | |
702 | { | |
703 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
704 | ||
705 | #if (GTK_MINOR_VERSION > 0) | |
706 | gtk_editable_cut_clipboard( GTK_EDITABLE(m_text) ); | |
707 | #else | |
708 | gtk_editable_cut_clipboard( GTK_EDITABLE(m_text), 0 ); | |
709 | #endif | |
710 | } | |
711 | ||
712 | void wxTextCtrl::Copy() | |
713 | { | |
714 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
715 | ||
716 | #if (GTK_MINOR_VERSION > 0) | |
717 | gtk_editable_copy_clipboard( GTK_EDITABLE(m_text) ); | |
718 | #else | |
719 | gtk_editable_copy_clipboard( GTK_EDITABLE(m_text), 0 ); | |
720 | #endif | |
721 | } | |
722 | ||
723 | void wxTextCtrl::Paste() | |
724 | { | |
725 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
726 | ||
727 | #if (GTK_MINOR_VERSION > 0) | |
728 | gtk_editable_paste_clipboard( GTK_EDITABLE(m_text) ); | |
729 | #else | |
730 | gtk_editable_paste_clipboard( GTK_EDITABLE(m_text), 0 ); | |
731 | #endif | |
732 | } | |
733 | ||
734 | bool wxTextCtrl::CanCopy() const | |
735 | { | |
736 | // Can copy if there's a selection | |
737 | long from, to; | |
738 | GetSelection(& from, & to); | |
739 | return (from != to) ; | |
740 | } | |
741 | ||
742 | bool wxTextCtrl::CanCut() const | |
743 | { | |
744 | // Can cut if there's a selection | |
745 | long from, to; | |
746 | GetSelection(& from, & to); | |
747 | return (from != to) && (IsEditable()); | |
748 | } | |
749 | ||
750 | bool wxTextCtrl::CanPaste() const | |
751 | { | |
752 | return IsEditable() ; | |
753 | } | |
754 | ||
755 | // Undo/redo | |
756 | void wxTextCtrl::Undo() | |
757 | { | |
758 | // TODO | |
759 | wxFAIL_MSG( wxT("wxTextCtrl::Undo not implemented") ); | |
760 | } | |
761 | ||
762 | void wxTextCtrl::Redo() | |
763 | { | |
764 | // TODO | |
765 | wxFAIL_MSG( wxT("wxTextCtrl::Redo not implemented") ); | |
766 | } | |
767 | ||
768 | bool wxTextCtrl::CanUndo() const | |
769 | { | |
770 | // TODO | |
771 | wxFAIL_MSG( wxT("wxTextCtrl::CanUndo not implemented") ); | |
772 | return FALSE; | |
773 | } | |
774 | ||
775 | bool wxTextCtrl::CanRedo() const | |
776 | { | |
777 | // TODO | |
778 | wxFAIL_MSG( wxT("wxTextCtrl::CanRedo not implemented") ); | |
779 | return FALSE; | |
780 | } | |
781 | ||
782 | // If the return values from and to are the same, there is no | |
783 | // selection. | |
784 | void wxTextCtrl::GetSelection(long* from, long* to) const | |
785 | { | |
786 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
787 | ||
788 | if (!(GTK_EDITABLE(m_text)->has_selection)) | |
789 | { | |
790 | long i = GetInsertionPoint(); | |
791 | if (from) *from = i; | |
792 | if (to) *to = i; | |
793 | return; | |
794 | } | |
795 | ||
796 | if (from) *from = (long) GTK_EDITABLE(m_text)->selection_start_pos; | |
797 | if (to) *to = (long) GTK_EDITABLE(m_text)->selection_end_pos; | |
798 | } | |
799 | ||
800 | bool wxTextCtrl::IsEditable() const | |
801 | { | |
802 | wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); | |
803 | ||
804 | return GTK_EDITABLE(m_text)->editable; | |
805 | } | |
806 | ||
807 | bool wxTextCtrl::IsModified() const | |
808 | { | |
809 | return m_modified; | |
810 | } | |
811 | ||
812 | void wxTextCtrl::Clear() | |
813 | { | |
814 | SetValue( wxT("") ); | |
815 | } | |
816 | ||
817 | void wxTextCtrl::OnChar( wxKeyEvent &key_event ) | |
818 | { | |
819 | wxCHECK_RET( m_text != NULL, wxT("invalid text ctrl") ); | |
820 | ||
821 | if ((key_event.KeyCode() == WXK_RETURN) && (m_windowStyle & wxPROCESS_ENTER)) | |
822 | { | |
823 | wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId); | |
824 | event.SetEventObject(this); | |
825 | event.SetString(GetValue()); | |
826 | if (GetEventHandler()->ProcessEvent(event)) return; | |
827 | } | |
828 | ||
829 | if ((key_event.KeyCode() == WXK_RETURN) && !(m_windowStyle & wxTE_MULTILINE)) | |
830 | { | |
831 | wxWindow *top_frame = m_parent; | |
832 | while (top_frame->GetParent() && !(top_frame->IsTopLevel())) | |
833 | top_frame = top_frame->GetParent(); | |
834 | GtkWindow *window = GTK_WINDOW(top_frame->m_widget); | |
835 | ||
836 | if (window->default_widget) | |
837 | { | |
838 | gtk_widget_activate (window->default_widget); | |
839 | return; | |
840 | } | |
841 | } | |
842 | ||
843 | key_event.Skip(); | |
844 | } | |
845 | ||
846 | GtkWidget* wxTextCtrl::GetConnectWidget() | |
847 | { | |
848 | return GTK_WIDGET(m_text); | |
849 | } | |
850 | ||
851 | bool wxTextCtrl::IsOwnGtkWindow( GdkWindow *window ) | |
852 | { | |
853 | if (m_windowStyle & wxTE_MULTILINE) | |
854 | return (window == GTK_TEXT(m_text)->text_area); | |
855 | else | |
856 | return (window == GTK_ENTRY(m_text)->text_area); | |
857 | } | |
858 | ||
859 | // the font will change for subsequent text insertiongs | |
860 | bool wxTextCtrl::SetFont( const wxFont &font ) | |
861 | { | |
862 | wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); | |
863 | ||
864 | if ( !wxWindowBase::SetFont(font) ) | |
865 | { | |
866 | // font didn't change, nothing to do | |
867 | return FALSE; | |
868 | } | |
869 | ||
870 | if ( m_windowStyle & wxTE_MULTILINE ) | |
871 | { | |
872 | // for compatibility with other ports: the font is a global controls | |
873 | // characteristic, so change the font globally | |
874 | wxString value = GetValue(); | |
875 | if ( !value.IsEmpty() ) | |
876 | { | |
877 | Clear(); | |
878 | ||
879 | AppendText(value); | |
880 | } | |
881 | } | |
882 | ||
883 | return TRUE; | |
884 | } | |
885 | ||
886 | bool wxTextCtrl::SetForegroundColour( const wxColour &WXUNUSED(colour) ) | |
887 | { | |
888 | wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); | |
889 | ||
890 | // doesn't work | |
891 | return FALSE; | |
892 | } | |
893 | ||
894 | bool wxTextCtrl::SetBackgroundColour( const wxColour &colour ) | |
895 | { | |
896 | wxCHECK_MSG( m_text != NULL, FALSE, wxT("invalid text ctrl") ); | |
897 | ||
898 | wxControl::SetBackgroundColour( colour ); | |
899 | ||
900 | if (!m_widget->window) | |
901 | return FALSE; | |
902 | ||
903 | wxColour sysbg = wxSystemSettings::GetSystemColour( wxSYS_COLOUR_BTNFACE ); | |
904 | if (sysbg.Red() == colour.Red() && | |
905 | sysbg.Green() == colour.Green() && | |
906 | sysbg.Blue() == colour.Blue()) | |
907 | { | |
908 | return FALSE; // FIXME or TRUE? | |
909 | } | |
910 | ||
911 | if (!m_backgroundColour.Ok()) | |
912 | return FALSE; | |
913 | ||
914 | if (m_windowStyle & wxTE_MULTILINE) | |
915 | { | |
916 | GdkWindow *window = GTK_TEXT(m_text)->text_area; | |
917 | if (!window) | |
918 | return FALSE; | |
919 | m_backgroundColour.CalcPixel( gdk_window_get_colormap( window ) ); | |
920 | gdk_window_set_background( window, m_backgroundColour.GetColor() ); | |
921 | gdk_window_clear( window ); | |
922 | } | |
923 | ||
924 | return TRUE; | |
925 | } | |
926 | ||
927 | void wxTextCtrl::ApplyWidgetStyle() | |
928 | { | |
929 | if (m_windowStyle & wxTE_MULTILINE) | |
930 | { | |
931 | // how ? | |
932 | } | |
933 | else | |
934 | { | |
935 | SetWidgetStyle(); | |
936 | gtk_widget_set_style( m_text, m_widgetStyle ); | |
937 | } | |
938 | } | |
939 | ||
940 | void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event)) | |
941 | { | |
942 | Cut(); | |
943 | } | |
944 | ||
945 | void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event)) | |
946 | { | |
947 | Copy(); | |
948 | } | |
949 | ||
950 | void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event)) | |
951 | { | |
952 | Paste(); | |
953 | } | |
954 | ||
955 | void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event)) | |
956 | { | |
957 | Undo(); | |
958 | } | |
959 | ||
960 | void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event)) | |
961 | { | |
962 | Redo(); | |
963 | } | |
964 | ||
965 | void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event) | |
966 | { | |
967 | event.Enable( CanCut() ); | |
968 | } | |
969 | ||
970 | void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event) | |
971 | { | |
972 | event.Enable( CanCopy() ); | |
973 | } | |
974 | ||
975 | void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event) | |
976 | { | |
977 | event.Enable( CanPaste() ); | |
978 | } | |
979 | ||
980 | void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event) | |
981 | { | |
982 | event.Enable( CanUndo() ); | |
983 | } | |
984 | ||
985 | void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event) | |
986 | { | |
987 | event.Enable( CanRedo() ); | |
988 | } | |
989 | ||
990 | void wxTextCtrl::OnInternalIdle() | |
991 | { | |
992 | wxCursor cursor = m_cursor; | |
993 | if (g_globalCursor.Ok()) cursor = g_globalCursor; | |
994 | ||
995 | if (cursor.Ok()) | |
996 | { | |
997 | GdkWindow *window = (GdkWindow*) NULL; | |
998 | if (HasFlag(wxTE_MULTILINE)) | |
999 | window = GTK_TEXT(m_text)->text_area; | |
1000 | else | |
1001 | window = GTK_ENTRY(m_text)->text_area; | |
1002 | ||
1003 | if (window) | |
1004 | gdk_window_set_cursor( window, cursor.GetCursor() ); | |
1005 | ||
1006 | if (!g_globalCursor.Ok()) | |
1007 | cursor = *wxSTANDARD_CURSOR; | |
1008 | ||
1009 | window = m_widget->window; | |
1010 | if ((window) && !(GTK_WIDGET_NO_WINDOW(m_widget))) | |
1011 | gdk_window_set_cursor( window, cursor.GetCursor() ); | |
1012 | } | |
1013 | ||
1014 | UpdateWindowUI(); | |
1015 | } | |
1016 | ||
1017 | wxSize wxTextCtrl::DoGetBestSize() const | |
1018 | { | |
1019 | // FIXME should be different for multi-line controls... | |
1020 | wxSize ret( wxControl::DoGetBestSize() ); | |
1021 | return wxSize(80, ret.y); | |
1022 | } |