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