xref: /haiku/src/apps/stylededit/StyledEditWindow.cpp (revision 8c78892580f132d10e624aef96f835df8d94bf19)
1 /*
2  * Copyright 2002-2020, Haiku, Inc. All Rights Reserved.
3  * Distributed under the terms of the MIT License.
4  *
5  * Authors:
6  *		Mattias Sundblad
7  *		Andrew Bachmann
8  *		Philippe Saint-Pierre
9  *		Jonas Sundström
10  *		Ryan Leavengood
11  *		Vlad Slepukhin
12  *		Sarzhuk Zharski
13  *		Pascal R. G. Abresch
14  */
15 
16 
17 #include "ColorMenuItem.h"
18 #include "Constants.h"
19 #include "FindWindow.h"
20 #include "ReplaceWindow.h"
21 #include "StatusView.h"
22 #include "StyledEditApp.h"
23 #include "StyledEditView.h"
24 #include "StyledEditWindow.h"
25 
26 #include <Alert.h>
27 #include <Autolock.h>
28 #include <Catalog.h>
29 #include <CharacterSet.h>
30 #include <CharacterSetRoster.h>
31 #include <Clipboard.h>
32 #include <Debug.h>
33 #include <File.h>
34 #include <FilePanel.h>
35 #include <fs_attr.h>
36 #include <Locale.h>
37 #include <Menu.h>
38 #include <MenuBar.h>
39 #include <MenuItem.h>
40 #include <NodeMonitor.h>
41 #include <Path.h>
42 #include <PrintJob.h>
43 #include <RecentItems.h>
44 #include <Rect.h>
45 #include <Roster.h>
46 #include <Screen.h>
47 #include <ScrollView.h>
48 #include <TextControl.h>
49 #include <TextView.h>
50 #include <TranslationUtils.h>
51 #include <UnicodeChar.h>
52 #include <UTF8.h>
53 #include <Volume.h>
54 
55 
56 using namespace BPrivate;
57 
58 
59 const float kLineViewWidth = 30.0;
60 const char* kInfoAttributeName = "StyledEdit-info";
61 
62 
63 #undef B_TRANSLATION_CONTEXT
64 #define B_TRANSLATION_CONTEXT "StyledEditWindow"
65 
66 
67 // This is a temporary solution for building BString with printf like format.
68 // will be removed in the future.
69 static void
70 bs_printf(BString* string, const char* format, ...)
71 {
72 	va_list ap;
73 	va_start(ap, format);
74 	char* buf;
75 	vasprintf(&buf, format, ap);
76 	string->SetTo(buf);
77 	free(buf);
78 	va_end(ap);
79 }
80 
81 
82 // #pragma mark -
83 
84 
85 StyledEditWindow::StyledEditWindow(BRect frame, int32 id, uint32 encoding)
86 	:
87 	BWindow(frame, "untitled", B_DOCUMENT_WINDOW, B_ASYNCHRONOUS_CONTROLS),
88 	fFindWindow(NULL),
89 	fReplaceWindow(NULL)
90 {
91 	_InitWindow(encoding);
92 	BString unTitled(B_TRANSLATE("Untitled "));
93 	unTitled << id;
94 	SetTitle(unTitled.String());
95 	fSaveItem->SetEnabled(true);
96 		// allow saving empty files
97 	Show();
98 }
99 
100 
101 StyledEditWindow::StyledEditWindow(BRect frame, entry_ref* ref, uint32 encoding)
102 	:
103 	BWindow(frame, "untitled", B_DOCUMENT_WINDOW, B_ASYNCHRONOUS_CONTROLS),
104 	fFindWindow(NULL),
105 	fReplaceWindow(NULL)
106 {
107 	_InitWindow(encoding);
108 	OpenFile(ref);
109 	Show();
110 }
111 
112 
113 StyledEditWindow::~StyledEditWindow()
114 {
115 	delete fSaveMessage;
116 	delete fPrintSettings;
117 	delete fSavePanel;
118 }
119 
120 
121 void
122 StyledEditWindow::Quit()
123 {
124 	_SwitchNodeMonitor(false);
125 
126 	_SaveAttrs();
127 	if (StyledEditApp* app = dynamic_cast<StyledEditApp*>(be_app))
128 		app->CloseDocument();
129 	BWindow::Quit();
130 }
131 
132 
133 #undef B_TRANSLATION_CONTEXT
134 #define B_TRANSLATION_CONTEXT "QuitAlert"
135 
136 
137 bool
138 StyledEditWindow::QuitRequested()
139 {
140 	if (fClean)
141 		return true;
142 
143 	if (fTextView->TextLength() == 0 && fSaveMessage == NULL)
144 		return true;
145 
146 	BString alertText;
147 	bs_printf(&alertText,
148 		B_TRANSLATE("Save changes to the document \"%s\"? "), Title());
149 
150 	int32 index = _ShowAlert(alertText, B_TRANSLATE("Cancel"),
151 		B_TRANSLATE("Don't save"), B_TRANSLATE("Save"),	B_WARNING_ALERT);
152 
153 	if (index == 0)
154 		return false;	// "cancel": dont save, dont close the window
155 
156 	if (index == 1)
157 		return true;	// "don't save": just close the window
158 
159 	if (!fSaveMessage) {
160 		SaveAs(new BMessage(SAVE_THEN_QUIT));
161 		return false;
162 	}
163 
164 	return Save() == B_OK;
165 }
166 
167 
168 void
169 StyledEditWindow::MessageReceived(BMessage* message)
170 {
171 	if (message->WasDropped()) {
172 		entry_ref ref;
173 		if (message->FindRef("refs", 0, &ref)==B_OK) {
174 			message->what = B_REFS_RECEIVED;
175 			be_app->PostMessage(message);
176 		}
177 	}
178 
179 	switch (message->what) {
180 		// File menu
181 		case MENU_SAVE:
182 			if (!fSaveMessage)
183 				SaveAs();
184 			else
185 				Save(fSaveMessage);
186 			break;
187 
188 		case MENU_SAVEAS:
189 			SaveAs();
190 			break;
191 
192 		case B_SAVE_REQUESTED:
193 			Save(message);
194 			break;
195 
196 		case SAVE_THEN_QUIT:
197 			if (Save(message) == B_OK)
198 				Quit();
199 			break;
200 
201 		case MENU_RELOAD:
202 			_ReloadDocument(message);
203 			break;
204 
205 		case MENU_CLOSE:
206 			if (QuitRequested())
207 				Quit();
208 			break;
209 
210 		case MENU_PAGESETUP:
211 			PageSetup(fTextView->Window()->Title());
212 			break;
213 		case MENU_PRINT:
214 			Print(fTextView->Window()->Title());
215 			break;
216 		case MENU_QUIT:
217 			be_app->PostMessage(B_QUIT_REQUESTED);
218 			break;
219 
220 		// Edit menu
221 
222 		case B_UNDO:
223 			ASSERT(fCanUndo || fCanRedo);
224 			ASSERT(!(fCanUndo && fCanRedo));
225 			if (fCanUndo)
226 				fUndoFlag = true;
227 			if (fCanRedo)
228 				fRedoFlag = true;
229 
230 			fTextView->Undo(be_clipboard);
231 			break;
232 		case B_CUT:
233 			fTextView->Cut(be_clipboard);
234 			break;
235 		case B_COPY:
236 			fTextView->Copy(be_clipboard);
237 			break;
238 		case B_PASTE:
239 			fTextView->Paste(be_clipboard);
240 			break;
241 		case MENU_CLEAR:
242 			fTextView->Clear();
243 			break;
244 		case MENU_FIND:
245 		{
246 			if (fFindWindow == NULL) {
247 				BRect findWindowFrame(Frame());
248 				findWindowFrame.InsetBy(
249 					(findWindowFrame.Width() - 400) / 2,
250 					(findWindowFrame.Height() - 235) / 2);
251 
252 				fFindWindow = new FindWindow(findWindowFrame, this,
253 					&fStringToFind, fCaseSensitive, fWrapAround, fBackSearch);
254 				fFindWindow->Show();
255 
256 			} else if (fFindWindow->IsHidden())
257 				fFindWindow->Show();
258 			else
259 				fFindWindow->Activate();
260 			break;
261 		}
262 		case MSG_FIND_WINDOW_QUIT:
263 		{
264 			fFindWindow = NULL;
265 			break;
266 		}
267 		case MSG_REPLACE_WINDOW_QUIT:
268 		{
269 			fReplaceWindow = NULL;
270 			break;
271 		}
272 		case MSG_SEARCH:
273 			message->FindString("findtext", &fStringToFind);
274 			fFindAgainItem->SetEnabled(true);
275 			message->FindBool("casesens", &fCaseSensitive);
276 			message->FindBool("wrap", &fWrapAround);
277 			message->FindBool("backsearch", &fBackSearch);
278 
279 			_Search(fStringToFind, fCaseSensitive, fWrapAround, fBackSearch);
280 			break;
281 		case MENU_FIND_AGAIN:
282 			_Search(fStringToFind, fCaseSensitive, fWrapAround, fBackSearch);
283 			break;
284 		case MENU_FIND_SELECTION:
285 			_FindSelection();
286 			break;
287 		case MENU_REPLACE:
288 		{
289 			if (fReplaceWindow == NULL) {
290 				BRect replaceWindowFrame(Frame());
291 				replaceWindowFrame.InsetBy(
292 					(replaceWindowFrame.Width() - 400) / 2,
293 					(replaceWindowFrame.Height() - 284) / 2);
294 
295 				fReplaceWindow = new ReplaceWindow(replaceWindowFrame, this,
296 					&fStringToFind, &fReplaceString, fCaseSensitive,
297 					fWrapAround, fBackSearch);
298 				fReplaceWindow->Show();
299 
300 			} else if (fReplaceWindow->IsHidden())
301 				fReplaceWindow->Show();
302 			else
303 				fReplaceWindow->Activate();
304 			break;
305 		}
306 		case MSG_REPLACE:
307 		{
308 			message->FindBool("casesens", &fCaseSensitive);
309 			message->FindBool("wrap", &fWrapAround);
310 			message->FindBool("backsearch", &fBackSearch);
311 
312 			message->FindString("FindText", &fStringToFind);
313 			message->FindString("ReplaceText", &fReplaceString);
314 
315 			fFindAgainItem->SetEnabled(true);
316 			fReplaceSameItem->SetEnabled(true);
317 
318 			_Replace(fStringToFind, fReplaceString, fCaseSensitive, fWrapAround,
319 				fBackSearch);
320 			break;
321 		}
322 		case MENU_REPLACE_SAME:
323 			_Replace(fStringToFind, fReplaceString, fCaseSensitive, fWrapAround,
324 				fBackSearch);
325 			break;
326 
327 		case MSG_REPLACE_ALL:
328 		{
329 			message->FindBool("casesens", &fCaseSensitive);
330 			message->FindString("FindText", &fStringToFind);
331 			message->FindString("ReplaceText", &fReplaceString);
332 
333 			bool allWindows;
334 			message->FindBool("allwindows", &allWindows);
335 
336 			fFindAgainItem->SetEnabled(true);
337 			fReplaceSameItem->SetEnabled(true);
338 
339 			if (allWindows)
340 				SearchAllWindows(fStringToFind, fReplaceString, fCaseSensitive);
341 			else
342 				_ReplaceAll(fStringToFind, fReplaceString, fCaseSensitive);
343 			break;
344 		}
345 
346 		case B_NODE_MONITOR:
347 			_HandleNodeMonitorEvent(message);
348 			break;
349 
350 		// Font menu
351 
352 		case FONT_SIZE:
353 		{
354 			float fontSize;
355 			if (message->FindFloat("size", &fontSize) == B_OK)
356 				_SetFontSize(fontSize);
357 			break;
358 		}
359 		case FONT_FAMILY:
360 		{
361 			const char* fontFamily = NULL;
362 			const char* fontStyle = NULL;
363 			void* ptr;
364 			if (message->FindPointer("source", &ptr) == B_OK) {
365 				BMenuItem* item = static_cast<BMenuItem*>(ptr);
366 				fontFamily = item->Label();
367 			}
368 
369 			BFont font;
370 			font.SetFamilyAndStyle(fontFamily, fontStyle);
371 			fItalicItem->SetMarked((font.Face() & B_ITALIC_FACE) != 0);
372 			fBoldItem->SetMarked((font.Face() & B_BOLD_FACE) != 0);
373 
374 			_SetFontStyle(fontFamily, fontStyle);
375 			break;
376 		}
377 		case FONT_STYLE:
378 		{
379 			const char* fontFamily = NULL;
380 			const char* fontStyle = NULL;
381 			void* ptr;
382 			if (message->FindPointer("source", &ptr) == B_OK) {
383 				BMenuItem* item = static_cast<BMenuItem*>(ptr);
384 				fontStyle = item->Label();
385 				BMenu* menu = item->Menu();
386 				if (menu != NULL) {
387 					BMenuItem* super_item = menu->Superitem();
388 					if (super_item != NULL)
389 						fontFamily = super_item->Label();
390 				}
391 			}
392 
393 			BFont font;
394 			font.SetFamilyAndStyle(fontFamily, fontStyle);
395 			fItalicItem->SetMarked((font.Face() & B_ITALIC_FACE) != 0);
396 			fBoldItem->SetMarked((font.Face() & B_BOLD_FACE) != 0);
397 
398 			_SetFontStyle(fontFamily, fontStyle);
399 			break;
400 		}
401 		case kMsgSetFontUp:
402 		{
403 			uint32 sameProperties;
404 			BFont font;
405 
406 			fTextView->GetFontAndColor(&font, &sameProperties);
407 			//GetFont seems to return a constant size for font.Size(),
408 			//thus not used here (maybe that is a bug)
409 			int32 cur_size = (int32)font.Size();
410 
411 			for (unsigned int a = 0;
412 				a < sizeof(fontSizes)/sizeof(fontSizes[0]); a++) {
413 				if (fontSizes[a] > cur_size) {
414 					_SetFontSize(fontSizes[a]);
415 					break;
416 				}
417 			}
418 			break;
419 		}
420 		case kMsgSetFontDown:
421 		{
422 			uint32 sameProperties;
423 			BFont font;
424 
425 			fTextView->GetFontAndColor(&font, &sameProperties);
426 			int32 cur_size = (int32)font.Size();
427 
428 			for (unsigned int a = 1;
429 				a < sizeof(fontSizes)/sizeof(fontSizes[0]); a++) {
430 				if (fontSizes[a] >= cur_size) {
431 					_SetFontSize(fontSizes[a-1]);
432 					break;
433 				}
434 			}
435 			break;
436 		}
437 		case kMsgSetItalic:
438 		{
439 			uint32 sameProperties;
440 			BFont font;
441 			fTextView->GetFontAndColor(&font, &sameProperties);
442 
443 			if (fItalicItem->IsMarked())
444 				font.SetFace(B_REGULAR_FACE);
445 			fItalicItem->SetMarked(!fItalicItem->IsMarked());
446 
447 			font_family family;
448 			font_style style;
449 			font.GetFamilyAndStyle(&family, &style);
450 
451 			_SetFontStyle(family, style);
452 			break;
453 		}
454 		case kMsgSetBold:
455 		{
456 			uint32 sameProperties;
457 			BFont font;
458 			fTextView->GetFontAndColor(&font, &sameProperties);
459 
460 			if (fBoldItem->IsMarked())
461 				font.SetFace(B_REGULAR_FACE);
462 			fBoldItem->SetMarked(!fBoldItem->IsMarked());
463 
464 			font_family family;
465 			font_style style;
466 			font.GetFamilyAndStyle(&family, &style);
467 
468 			_SetFontStyle(family, style);
469 			break;
470 		}
471 		case FONT_COLOR:
472 		{
473 			ssize_t colorLength;
474 			rgb_color* color;
475 			if (message->FindData("color", B_RGB_COLOR_TYPE,
476 					(const void**)&color, &colorLength) == B_OK
477 				&& colorLength == sizeof(rgb_color)) {
478 				/*
479 				 * TODO: Ideally, when selecting the default color,
480 				 * you wouldn't naively apply it; it shouldn't lose its nature.
481 				 * When reloaded with a different default color, it should
482 				 * reflect that different choice.
483 				 */
484 				_SetFontColor(color);
485 			}
486 			break;
487 		}
488 
489 		// Document menu
490 
491 		case ALIGN_LEFT:
492 			fTextView->SetAlignment(B_ALIGN_LEFT);
493 			_UpdateCleanUndoRedoSaveRevert();
494 			break;
495 		case ALIGN_CENTER:
496 			fTextView->SetAlignment(B_ALIGN_CENTER);
497 			_UpdateCleanUndoRedoSaveRevert();
498 			break;
499 		case ALIGN_RIGHT:
500 			fTextView->SetAlignment(B_ALIGN_RIGHT);
501 			_UpdateCleanUndoRedoSaveRevert();
502 			break;
503 		case WRAP_LINES:
504 		{
505 			// update wrap setting
506 			if (fTextView->DoesWordWrap()) {
507 				fTextView->SetWordWrap(false);
508 				fWrapItem->SetMarked(false);
509 			} else {
510 				fTextView->SetWordWrap(true);
511 				fWrapItem->SetMarked(true);
512 			}
513 
514 			// update buttons
515 			_UpdateCleanUndoRedoSaveRevert();
516 			break;
517 		}
518 		case SHOW_STATISTICS:
519 			_ShowStatistics();
520 			break;
521 		case ENABLE_ITEMS:
522 			fCutItem->SetEnabled(true);
523 			fCopyItem->SetEnabled(true);
524 			break;
525 		case DISABLE_ITEMS:
526 			fCutItem->SetEnabled(false);
527 			fCopyItem->SetEnabled(false);
528 			break;
529 		case TEXT_CHANGED:
530 			if (fUndoFlag) {
531 				if (fUndoCleans) {
532 					// we cleaned!
533 					fClean = true;
534 					fUndoCleans = false;
535 				} else if (fClean) {
536 					// if we were clean
537 					// then a redo will make us clean again
538 					fRedoCleans = true;
539 					fClean = false;
540 				}
541 				// set mode
542 				fCanUndo = false;
543 				fCanRedo = true;
544 				fUndoItem->SetLabel(B_TRANSLATE("Redo typing"));
545 				fUndoItem->SetEnabled(true);
546 				fUndoFlag = false;
547 			} else {
548 				if (fRedoFlag && fRedoCleans) {
549 					// we cleaned!
550 					fClean = true;
551 					fRedoCleans = false;
552 				} else if (fClean) {
553 					// if we were clean
554 					// then an undo will make us clean again
555 					fUndoCleans = true;
556 					fClean = false;
557 				} else {
558 					// no more cleaning from undo now...
559 					fUndoCleans = false;
560 				}
561 				// set mode
562 				fCanUndo = true;
563 				fCanRedo = false;
564 				fUndoItem->SetLabel(B_TRANSLATE("Undo typing"));
565 				fUndoItem->SetEnabled(true);
566 				fRedoFlag = false;
567 			}
568 			if (fClean) {
569 				fSaveItem->SetEnabled(fSaveMessage == NULL);
570 			} else {
571 				fSaveItem->SetEnabled(true);
572 			}
573 			fReloadItem->SetEnabled(fSaveMessage != NULL);
574 			fEncodingItem->SetEnabled(fSaveMessage != NULL);
575 			break;
576 
577 		case SAVE_AS_ENCODING:
578 			void* ptr;
579 			if (message->FindPointer("source", &ptr) == B_OK
580 				&& fSavePanelEncodingMenu != NULL) {
581 				fTextView->SetEncoding(
582 					(uint32)fSavePanelEncodingMenu->IndexOf((BMenuItem*)ptr));
583 			}
584 			break;
585 
586 		case UPDATE_STATUS:
587 		{
588 			message->AddBool("modified", !fClean);
589 			bool readOnly = !fTextView->IsEditable();
590 			message->AddBool("readOnly", readOnly);
591 			if (readOnly) {
592 				BVolume volume(fNodeRef.device);
593 				message->AddBool("canUnlock", !volume.IsReadOnly());
594 			}
595 			fStatusView->SetStatus(message);
596 			break;
597 		}
598 
599 		case UPDATE_STATUS_REF:
600 		{
601 			entry_ref ref;
602 			const char* name;
603 
604 			if (fSaveMessage != NULL
605 				&& fSaveMessage->FindRef("directory", &ref) == B_OK
606 				&& fSaveMessage->FindString("name", &name) == B_OK) {
607 
608 				BDirectory dir(&ref);
609 				status_t status = dir.InitCheck();
610 				BEntry entry;
611 				if (status == B_OK)
612 					status = entry.SetTo(&dir, name);
613 				if (status == B_OK)
614 					status = entry.GetRef(&ref);
615 			}
616 			fStatusView->SetRef(ref);
617 			break;
618 		}
619 
620 		case UNLOCK_FILE:
621 		{
622 			status_t status = _UnlockFile();
623 			if (status != B_OK) {
624 				BString text;
625 				bs_printf(&text,
626 					B_TRANSLATE("Unable to unlock file\n\t%s"),
627 					strerror(status));
628 				_ShowAlert(text, B_TRANSLATE("OK"), "", "", B_STOP_ALERT);
629 			}
630 			PostMessage(UPDATE_STATUS);
631 			break;
632 		}
633 
634 		case UPDATE_LINE_SELECTION:
635 		{
636 			int32 line;
637 			if (message->FindInt32("be:line", &line) == B_OK) {
638 				fTextView->GoToLine(line);
639 				fTextView->ScrollToSelection();
640 			}
641 
642 			int32 start, length;
643 			if (message->FindInt32("be:selection_offset", &start) == B_OK) {
644 				if (message->FindInt32("be:selection_length", &length) != B_OK)
645 					length = 0;
646 
647 				fTextView->Select(start, start + length);
648 				fTextView->ScrollToOffset(start);
649 			}
650 			break;
651 		}
652 		default:
653 			BWindow::MessageReceived(message);
654 			break;
655 	}
656 }
657 
658 
659 void
660 StyledEditWindow::MenusBeginning()
661 {
662 	// update the font menu
663 	// unselect the old values
664 	if (fCurrentFontItem != NULL) {
665 		fCurrentFontItem->SetMarked(false);
666 		BMenu* menu = fCurrentFontItem->Submenu();
667 		if (menu != NULL) {
668 			BMenuItem* item = menu->FindMarked();
669 			if (item != NULL)
670 				item->SetMarked(false);
671 		}
672 	}
673 
674 	if (fCurrentStyleItem != NULL) {
675 		fCurrentStyleItem->SetMarked(false);
676 	}
677 
678 	BMenuItem* oldColorItem = fFontColorMenu->FindMarked();
679 	if (oldColorItem != NULL)
680 		oldColorItem->SetMarked(false);
681 
682 	BMenuItem* oldSizeItem = fFontSizeMenu->FindMarked();
683 	if (oldSizeItem != NULL)
684 		oldSizeItem->SetMarked(false);
685 
686 	// find the current font, color, size
687 	BFont font;
688 	uint32 sameProperties;
689 	rgb_color color = ui_color(B_DOCUMENT_TEXT_COLOR);
690 	bool sameColor;
691 	fTextView->GetFontAndColor(&font, &sameProperties, &color, &sameColor);
692 	color.alpha = 255;
693 
694 	if (sameColor) {
695 		if (fDefaultFontColorItem->Color() == color)
696 			fDefaultFontColorItem->SetMarked(true);
697 		else {
698 			for (int i = 0; i < fFontColorMenu->CountItems(); i++) {
699 				ColorMenuItem* item = dynamic_cast<ColorMenuItem*>
700 					(fFontColorMenu->ItemAt(i));
701 				if (item != NULL && item->Color() == color) {
702 					item->SetMarked(true);
703 					break;
704 				}
705 			}
706 		}
707 	}
708 
709 	if (sameProperties & B_FONT_SIZE) {
710 		if ((int)font.Size() == font.Size()) {
711 			// select the current font size
712 			char fontSizeStr[16];
713 			snprintf(fontSizeStr, 15, "%i", (int)font.Size());
714 			BMenuItem* item = fFontSizeMenu->FindItem(fontSizeStr);
715 			if (item != NULL)
716 				item->SetMarked(true);
717 		}
718 	}
719 
720 	font_family family;
721 	font_style style;
722 	font.GetFamilyAndStyle(&family, &style);
723 
724 	fCurrentFontItem = fFontMenu->FindItem(family);
725 
726 	if (fCurrentFontItem != NULL) {
727 		fCurrentFontItem->SetMarked(true);
728 		BMenu* menu = fCurrentFontItem->Submenu();
729 		if (menu != NULL) {
730 			BMenuItem* item = menu->FindItem(style);
731 			fCurrentStyleItem = item;
732 			if (fCurrentStyleItem != NULL)
733 				item->SetMarked(true);
734 		}
735 	}
736 
737 	fBoldItem->SetMarked((font.Face() & B_BOLD_FACE) != 0);
738 	fItalicItem->SetMarked((font.Face() & B_ITALIC_FACE) != 0);
739 
740 	switch (fTextView->Alignment()) {
741 		case B_ALIGN_LEFT:
742 		default:
743 			fAlignLeft->SetMarked(true);
744 			break;
745 		case B_ALIGN_CENTER:
746 			fAlignCenter->SetMarked(true);
747 			break;
748 		case B_ALIGN_RIGHT:
749 			fAlignRight->SetMarked(true);
750 			break;
751 	}
752 
753 	// text encoding
754 	const BCharacterSet* charset
755 		= BCharacterSetRoster::GetCharacterSetByFontID(fTextView->GetEncoding());
756 	BMenu* encodingMenu = fEncodingItem->Submenu();
757 	if (charset != NULL && encodingMenu != NULL) {
758 		const char* mime = charset->GetMIMEName();
759 		BString name(charset->GetPrintName());
760 		if (mime)
761 			name << " (" << mime << ")";
762 
763 		BMenuItem* item = encodingMenu->FindItem(name);
764 		if (item != NULL)
765 			item->SetMarked(true);
766 	}
767 }
768 
769 
770 #undef B_TRANSLATION_CONTEXT
771 #define B_TRANSLATION_CONTEXT "SaveAlert"
772 
773 
774 status_t
775 StyledEditWindow::Save(BMessage* message)
776 {
777 	_NodeMonitorSuspender nodeMonitorSuspender(this);
778 
779 	if (!message)
780 		message = fSaveMessage;
781 
782 	if (!message)
783 		return B_ERROR;
784 
785 	entry_ref dirRef;
786 	const char* name;
787 	if (message->FindRef("directory", &dirRef) != B_OK
788 		|| message->FindString("name", &name) != B_OK)
789 		return B_BAD_VALUE;
790 
791 	BDirectory dir(&dirRef);
792 	BEntry entry(&dir, name);
793 
794 	status_t status = B_ERROR;
795 	if (dir.InitCheck() == B_OK && entry.InitCheck() == B_OK) {
796 		struct stat st;
797 		BFile file(&entry, B_READ_WRITE | B_CREATE_FILE);
798 		if (file.InitCheck() == B_OK
799 			&& (status = file.GetStat(&st)) == B_OK) {
800 			// check the file permissions
801 			if (!((getuid() == st.st_uid && (S_IWUSR & st.st_mode))
802 				|| (getgid() == st.st_gid && (S_IWGRP & st.st_mode))
803 				|| (S_IWOTH & st.st_mode))) {
804 				BString alertText;
805 				bs_printf(&alertText, B_TRANSLATE("This file is marked "
806 					"read-only. Save changes to the document \"%s\"? "), name);
807 				switch (_ShowAlert(alertText, B_TRANSLATE("Cancel"),
808 						B_TRANSLATE("Don't save"),
809 						B_TRANSLATE("Save"), B_WARNING_ALERT)) {
810 					case 0:
811 						return B_CANCELED;
812 					case 1:
813 						return B_OK;
814 					default:
815 						break;
816 				}
817 			}
818 
819 			status = fTextView->WriteStyledEditFile(&file);
820 		}
821 	}
822 
823 	if (status != B_OK) {
824 		BString alertText;
825 		bs_printf(&alertText, B_TRANSLATE("Error saving \"%s\":\n%s"), name,
826 			strerror(status));
827 
828 		_ShowAlert(alertText, B_TRANSLATE("OK"), "", "", B_STOP_ALERT);
829 		return status;
830 	}
831 
832 	SetTitle(name);
833 
834 	if (fSaveMessage != message) {
835 		delete fSaveMessage;
836 		fSaveMessage = new BMessage(*message);
837 	}
838 
839 	// clear clean modes
840 	fSaveItem->SetEnabled(false);
841 	fUndoCleans = false;
842 	fRedoCleans = false;
843 	fClean = true;
844 	fNagOnNodeChange = true;
845 
846 	PostMessage(UPDATE_STATUS);
847 	PostMessage(UPDATE_STATUS_REF);
848 
849 	return status;
850 }
851 
852 
853 #undef B_TRANSLATION_CONTEXT
854 #define B_TRANSLATION_CONTEXT "Open_and_SaveAsPanel"
855 
856 
857 status_t
858 StyledEditWindow::SaveAs(BMessage* message)
859 {
860 	if (fSavePanel == NULL) {
861 		entry_ref* directory = NULL;
862 		entry_ref dirRef;
863 		if (fSaveMessage != NULL) {
864 			if (fSaveMessage->FindRef("directory", &dirRef) == B_OK)
865 				directory = &dirRef;
866 		}
867 
868 		BMessenger target(this);
869 		fSavePanel = new BFilePanel(B_SAVE_PANEL, &target,
870 			directory, B_FILE_NODE, false);
871 
872 		BMenuBar* menuBar = dynamic_cast<BMenuBar*>(
873 			fSavePanel->Window()->FindView("MenuBar"));
874 		if (menuBar != NULL) {
875 			fSavePanelEncodingMenu = new BMenu(B_TRANSLATE("Encoding"));
876 			fSavePanelEncodingMenu->SetRadioMode(true);
877 			menuBar->AddItem(fSavePanelEncodingMenu);
878 
879 			BCharacterSetRoster roster;
880 			BCharacterSet charset;
881 			while (roster.GetNextCharacterSet(&charset) == B_NO_ERROR) {
882 				BString name(charset.GetPrintName());
883 				const char* mime = charset.GetMIMEName();
884 				if (mime) {
885 					name.Append(" (");
886 					name.Append(mime);
887 					name.Append(")");
888 				}
889 				BMenuItem * item = new BMenuItem(name.String(),
890 					new BMessage(SAVE_AS_ENCODING));
891 				item->SetTarget(this);
892 				fSavePanelEncodingMenu->AddItem(item);
893 				if (charset.GetFontID() == fTextView->GetEncoding())
894 					item->SetMarked(true);
895 			}
896 		}
897 	}
898 
899 	fSavePanel->SetSaveText(Title());
900 	if (message != NULL)
901 		fSavePanel->SetMessage(message);
902 
903 	fSavePanel->Show();
904 	return B_OK;
905 }
906 
907 
908 void
909 StyledEditWindow::OpenFile(entry_ref* ref)
910 {
911 	if (_LoadFile(ref) != B_OK) {
912 		fSaveItem->SetEnabled(true);
913 			// allow saving new files
914 		return;
915 	}
916 
917 	fSaveMessage = new(std::nothrow) BMessage(B_SAVE_REQUESTED);
918 	if (fSaveMessage) {
919 		BEntry entry(ref, true);
920 		BEntry parent;
921 		entry_ref parentRef;
922 		char name[B_FILE_NAME_LENGTH];
923 
924 		entry.GetParent(&parent);
925 		entry.GetName(name);
926 		parent.GetRef(&parentRef);
927 		fSaveMessage->AddRef("directory", &parentRef);
928 		fSaveMessage->AddString("name", name);
929 		SetTitle(name);
930 
931 		_LoadAttrs();
932 	}
933 
934 	_SwitchNodeMonitor(true, ref);
935 
936 	PostMessage(UPDATE_STATUS_REF);
937 
938 	fReloadItem->SetEnabled(fSaveMessage != NULL);
939 	fEncodingItem->SetEnabled(fSaveMessage != NULL);
940 }
941 
942 
943 status_t
944 StyledEditWindow::PageSetup(const char* documentName)
945 {
946 	BPrintJob printJob(documentName);
947 
948 	if (fPrintSettings != NULL)
949 		printJob.SetSettings(new BMessage(*fPrintSettings));
950 
951 	status_t result = printJob.ConfigPage();
952 	if (result == B_OK) {
953 		delete fPrintSettings;
954 		fPrintSettings = printJob.Settings();
955 	}
956 
957 	return result;
958 }
959 
960 
961 void
962 StyledEditWindow::Print(const char* documentName)
963 {
964 	BPrintJob printJob(documentName);
965 	if (fPrintSettings)
966 		printJob.SetSettings(new BMessage(*fPrintSettings));
967 
968 	if (printJob.ConfigJob() != B_OK)
969 		return;
970 
971 	delete fPrintSettings;
972 	fPrintSettings = printJob.Settings();
973 
974 	// information from printJob
975 	BRect printableRect = printJob.PrintableRect();
976 	int32 firstPage = printJob.FirstPage();
977 	int32 lastPage = printJob.LastPage();
978 
979 	// lines eventually to be used to compute pages to print
980 	int32 firstLine = 0;
981 	int32 lastLine = fTextView->CountLines();
982 
983 	// values to be computed
984 	int32 pagesInDocument = 1;
985 	int32 linesInDocument = fTextView->CountLines();
986 
987 	int32 currentLine = 0;
988 	while (currentLine < linesInDocument) {
989 		float currentHeight = 0;
990 		while (currentHeight < printableRect.Height() && currentLine
991 				< linesInDocument) {
992 			currentHeight += fTextView->LineHeight(currentLine);
993 			if (currentHeight < printableRect.Height())
994 				currentLine++;
995 		}
996 		if (pagesInDocument == lastPage)
997 			lastLine = currentLine - 1;
998 
999 		if (currentHeight >= printableRect.Height()) {
1000 			pagesInDocument++;
1001 			if (pagesInDocument == firstPage)
1002 				firstLine = currentLine;
1003 		}
1004 	}
1005 
1006 	if (lastPage > pagesInDocument - 1) {
1007 		lastPage = pagesInDocument - 1;
1008 		lastLine = currentLine - 1;
1009 	}
1010 
1011 
1012 	printJob.BeginJob();
1013 	if (fTextView->CountLines() > 0 && fTextView->TextLength() > 0) {
1014 		int32 printLine = firstLine;
1015 		while (printLine <= lastLine) {
1016 			float currentHeight = 0;
1017 			int32 firstLineOnPage = printLine;
1018 			while (currentHeight < printableRect.Height()
1019 				&& printLine <= lastLine)
1020 			{
1021 				currentHeight += fTextView->LineHeight(printLine);
1022 				if (currentHeight < printableRect.Height())
1023 					printLine++;
1024 			}
1025 
1026 			float top = 0;
1027 			if (firstLineOnPage != 0)
1028 				top = fTextView->TextHeight(0, firstLineOnPage - 1);
1029 
1030 			float bottom = fTextView->TextHeight(0, printLine - 1);
1031 			BRect textRect(0.0, top + TEXT_INSET,
1032 				printableRect.Width(), bottom + TEXT_INSET);
1033 			printJob.DrawView(fTextView, textRect, B_ORIGIN);
1034 			printJob.SpoolPage();
1035 		}
1036 	}
1037 
1038 
1039 	printJob.CommitJob();
1040 }
1041 
1042 
1043 void
1044 StyledEditWindow::SearchAllWindows(BString find, BString replace,
1045 	bool caseSensitive)
1046 {
1047 	int32 numWindows;
1048 	numWindows = be_app->CountWindows();
1049 
1050 	BMessage* message;
1051 	message= new BMessage(MSG_REPLACE_ALL);
1052 	message->AddString("FindText", find);
1053 	message->AddString("ReplaceText", replace);
1054 	message->AddBool("casesens", caseSensitive);
1055 
1056 	while (numWindows >= 0) {
1057 		StyledEditWindow* window = dynamic_cast<StyledEditWindow *>(
1058 			be_app->WindowAt(numWindows));
1059 
1060 		BMessenger messenger(window);
1061 		messenger.SendMessage(message);
1062 
1063 		numWindows--;
1064 	}
1065 }
1066 
1067 
1068 bool
1069 StyledEditWindow::IsDocumentEntryRef(const entry_ref* ref)
1070 {
1071 	if (ref == NULL)
1072 		return false;
1073 
1074 	if (fSaveMessage == NULL)
1075 		return false;
1076 
1077 	entry_ref dir;
1078 	const char* name;
1079 	if (fSaveMessage->FindRef("directory", &dir) != B_OK
1080 		|| fSaveMessage->FindString("name", &name) != B_OK)
1081 		return false;
1082 
1083 	entry_ref documentRef;
1084 	BPath documentPath(&dir);
1085 	documentPath.Append(name);
1086 	get_ref_for_path(documentPath.Path(), &documentRef);
1087 
1088 	return *ref == documentRef;
1089 }
1090 
1091 
1092 // #pragma mark - private methods
1093 
1094 
1095 #undef B_TRANSLATION_CONTEXT
1096 #define B_TRANSLATION_CONTEXT "Menus"
1097 
1098 
1099 void
1100 StyledEditWindow::_InitWindow(uint32 encoding)
1101 {
1102 	fPrintSettings = NULL;
1103 	fSaveMessage = NULL;
1104 
1105 	// undo modes
1106 	fUndoFlag = false;
1107 	fCanUndo = false;
1108 	fRedoFlag = false;
1109 	fCanRedo = false;
1110 
1111 	// clean modes
1112 	fUndoCleans = false;
1113 	fRedoCleans = false;
1114 	fClean = true;
1115 
1116 	// search- state
1117 	fReplaceString = "";
1118 	fStringToFind = "";
1119 	fCaseSensitive = false;
1120 	fWrapAround = false;
1121 	fBackSearch = false;
1122 
1123 	fNagOnNodeChange = true;
1124 
1125 	// add menubar
1126 	fMenuBar = new BMenuBar(BRect(0, 0, 0, 0), "menubar");
1127 	AddChild(fMenuBar);
1128 
1129 	// add textview and scrollview
1130 
1131 	BRect viewFrame = Bounds();
1132 	viewFrame.top = fMenuBar->Bounds().Height() + 1;
1133 	viewFrame.right -=  B_V_SCROLL_BAR_WIDTH;
1134 	viewFrame.left = 0;
1135 	viewFrame.bottom -= B_H_SCROLL_BAR_HEIGHT;
1136 
1137 	BRect textBounds = viewFrame;
1138 	textBounds.OffsetTo(B_ORIGIN);
1139 	textBounds.InsetBy(TEXT_INSET, TEXT_INSET);
1140 
1141 	fTextView = new StyledEditView(viewFrame, textBounds, this);
1142 	fTextView->SetDoesUndo(true);
1143 	fTextView->SetStylable(true);
1144 	fTextView->SetEncoding(encoding);
1145 
1146 	fScrollView = new BScrollView("scrollview", fTextView, B_FOLLOW_ALL, 0,
1147 		true, true, B_PLAIN_BORDER);
1148 	AddChild(fScrollView);
1149 	fTextView->MakeFocus(true);
1150 
1151 	fStatusView = new StatusView(fScrollView);
1152 	fScrollView->AddChild(fStatusView);
1153 
1154 	// Add "File"-menu:
1155 	BMenu* menu = new BMenu(B_TRANSLATE("File"));
1156 	fMenuBar->AddItem(menu);
1157 
1158 	BMenuItem* menuItem;
1159 	menu->AddItem(menuItem = new BMenuItem(B_TRANSLATE("New"),
1160 		new BMessage(MENU_NEW), 'N'));
1161 	menuItem->SetTarget(be_app);
1162 
1163 	menu->AddItem(menuItem = new BMenuItem(BRecentFilesList::NewFileListMenu(
1164 		B_TRANSLATE("Open" B_UTF8_ELLIPSIS), NULL, NULL, be_app, 9, true,
1165 		NULL, APP_SIGNATURE), new BMessage(MENU_OPEN)));
1166 	menuItem->SetShortcut('O', 0);
1167 	menuItem->SetTarget(be_app);
1168 	menu->AddSeparatorItem();
1169 
1170 	menu->AddItem(fSaveItem = new BMenuItem(B_TRANSLATE("Save"),
1171 		new BMessage(MENU_SAVE), 'S'));
1172 	fSaveItem->SetEnabled(false);
1173 	menu->AddItem(menuItem = new BMenuItem(
1174 		B_TRANSLATE("Save as" B_UTF8_ELLIPSIS), new BMessage(MENU_SAVEAS)));
1175 	menuItem->SetShortcut('S', B_SHIFT_KEY);
1176 	menuItem->SetEnabled(true);
1177 
1178 	menu->AddItem(fReloadItem
1179 		= new BMenuItem(B_TRANSLATE("Reload" B_UTF8_ELLIPSIS),
1180 		new BMessage(MENU_RELOAD), 'L'));
1181 	fReloadItem->SetEnabled(false);
1182 
1183 	menu->AddItem(new BMenuItem(B_TRANSLATE("Close"),
1184 		new BMessage(MENU_CLOSE), 'W'));
1185 
1186 	menu->AddSeparatorItem();
1187 	menu->AddItem(new BMenuItem(B_TRANSLATE("Page setup" B_UTF8_ELLIPSIS),
1188 		new BMessage(MENU_PAGESETUP)));
1189 	menu->AddItem(new BMenuItem(B_TRANSLATE("Print" B_UTF8_ELLIPSIS),
1190 		new BMessage(MENU_PRINT), 'P'));
1191 
1192 	menu->AddSeparatorItem();
1193 	menu->AddItem(new BMenuItem(B_TRANSLATE("Quit"),
1194 		new BMessage(MENU_QUIT), 'Q'));
1195 
1196 	// Add the "Edit"-menu:
1197 	menu = new BMenu(B_TRANSLATE("Edit"));
1198 	fMenuBar->AddItem(menu);
1199 
1200 	menu->AddItem(fUndoItem = new BMenuItem(B_TRANSLATE("Can't undo"),
1201 		new BMessage(B_UNDO), 'Z'));
1202 	fUndoItem->SetEnabled(false);
1203 
1204 	menu->AddSeparatorItem();
1205 	menu->AddItem(fCutItem = new BMenuItem(B_TRANSLATE("Cut"),
1206 		new BMessage(B_CUT), 'X'));
1207 	fCutItem->SetEnabled(false);
1208 	fCutItem->SetTarget(fTextView);
1209 
1210 	menu->AddItem(fCopyItem = new BMenuItem(B_TRANSLATE("Copy"),
1211 		new BMessage(B_COPY), 'C'));
1212 	fCopyItem->SetEnabled(false);
1213 	fCopyItem->SetTarget(fTextView);
1214 
1215 	menu->AddItem(menuItem = new BMenuItem(B_TRANSLATE("Paste"),
1216 		new BMessage(B_PASTE), 'V'));
1217 	menuItem->SetTarget(fTextView);
1218 
1219 	menu->AddSeparatorItem();
1220 	menu->AddItem(menuItem = new BMenuItem(B_TRANSLATE("Select all"),
1221 		new BMessage(B_SELECT_ALL), 'A'));
1222 	menuItem->SetTarget(fTextView);
1223 
1224 	menu->AddSeparatorItem();
1225 	menu->AddItem(new BMenuItem(B_TRANSLATE("Find" B_UTF8_ELLIPSIS),
1226 		new BMessage(MENU_FIND), 'F'));
1227 	menu->AddItem(fFindAgainItem= new BMenuItem(B_TRANSLATE("Find again"),
1228 		new BMessage(MENU_FIND_AGAIN), 'G'));
1229 	fFindAgainItem->SetEnabled(false);
1230 
1231 	menu->AddItem(new BMenuItem(B_TRANSLATE("Find selection"),
1232 		new BMessage(MENU_FIND_SELECTION), 'H'));
1233 	menu->AddItem(fReplaceItem = new BMenuItem(B_TRANSLATE("Replace" B_UTF8_ELLIPSIS),
1234 		new BMessage(MENU_REPLACE), 'R'));
1235 	menu->AddItem(fReplaceSameItem = new BMenuItem(B_TRANSLATE("Replace next"),
1236 		new BMessage(MENU_REPLACE_SAME), 'T'));
1237 	fReplaceSameItem->SetEnabled(false);
1238 
1239 	// Add the "Font"-menu:
1240 	fFontMenu = new BMenu(B_TRANSLATE("Font"));
1241 	fMenuBar->AddItem(fFontMenu);
1242 
1243 	// "Size"-subMenu
1244 	fFontSizeMenu = new BMenu(B_TRANSLATE("Size"));
1245 	fFontSizeMenu->SetRadioMode(true);
1246 	fFontMenu->AddItem(fFontSizeMenu);
1247 
1248 	for (uint32 i = 0; i < sizeof(fontSizes) / sizeof(fontSizes[0]); i++) {
1249 		BMessage* fontMessage = new BMessage(FONT_SIZE);
1250 		fontMessage->AddFloat("size", fontSizes[i]);
1251 
1252 		char label[64];
1253 		snprintf(label, sizeof(label), "%" B_PRId32, fontSizes[i]);
1254 		fFontSizeMenu->AddItem(menuItem = new BMenuItem(label, fontMessage));
1255 
1256 		if (fontSizes[i] == (int32)be_plain_font->Size())
1257 			menuItem->SetMarked(true);
1258 	}
1259 
1260 	// "Color"-subMenu
1261 	fFontColorMenu = new BMenu(B_TRANSLATE("Color"), 0, 0);
1262 	fFontColorMenu->SetRadioMode(true);
1263 	fFontMenu->AddItem(fFontColorMenu);
1264 
1265 	_BuildFontColorMenu(fFontColorMenu);
1266 
1267 	fFontMenu->AddSeparatorItem();
1268 
1269 	BMenuItem* fontSizeUpItem = new BMenuItem(B_TRANSLATE("Increase size"),
1270 		new BMessage(kMsgSetFontUp));
1271 	BMenuItem* fontSizeDownItem = new BMenuItem(B_TRANSLATE("Decrease size"),
1272 		new BMessage(kMsgSetFontDown));
1273 	fFontMenu->AddItem(fontSizeUpItem);
1274 	fFontMenu->AddItem(fontSizeDownItem);
1275 	fontSizeUpItem->SetShortcut('+', 0);
1276 	fontSizeDownItem->SetShortcut('-', 0);
1277 
1278 	// "Bold" & "Italic" menu items
1279 	fFontMenu->AddItem(fBoldItem = new BMenuItem(B_TRANSLATE("Bold"),
1280 		new BMessage(kMsgSetBold)));
1281 	fFontMenu->AddItem(fItalicItem = new BMenuItem(B_TRANSLATE("Italic"),
1282 		new BMessage(kMsgSetItalic)));
1283 	fBoldItem->SetShortcut('B', 0);
1284 	fItalicItem->SetShortcut('I', 0);
1285 	fFontMenu->AddSeparatorItem();
1286 
1287 	// Available fonts
1288 
1289 	fCurrentFontItem = 0;
1290 	fCurrentStyleItem = 0;
1291 
1292 	BMenu* subMenu;
1293 	int32 numFamilies = count_font_families();
1294 	for (int32 i = 0; i < numFamilies; i++) {
1295 		font_family family;
1296 		if (get_font_family(i, &family) == B_OK) {
1297 			subMenu = new BMenu(family);
1298 			subMenu->SetRadioMode(true);
1299 			fFontMenu->AddItem(new BMenuItem(subMenu,
1300 				new BMessage(FONT_FAMILY)));
1301 
1302 			int32 numStyles = count_font_styles(family);
1303 			for (int32 j = 0; j < numStyles; j++) {
1304 				font_style style;
1305 				uint32 flags;
1306 				if (get_font_style(family, j, &style, &flags) == B_OK) {
1307 					subMenu->AddItem(new BMenuItem(style,
1308 						new BMessage(FONT_STYLE)));
1309 				}
1310 			}
1311 		}
1312 	}
1313 
1314 	// Add the "Document"-menu:
1315 	menu = new BMenu(B_TRANSLATE("Document"));
1316 	fMenuBar->AddItem(menu);
1317 
1318 	// "Align"-subMenu:
1319 	subMenu = new BMenu(B_TRANSLATE("Align"));
1320 	subMenu->SetRadioMode(true);
1321 
1322 	subMenu->AddItem(fAlignLeft = new BMenuItem(B_TRANSLATE("Left"),
1323 		new BMessage(ALIGN_LEFT)));
1324 	fAlignLeft->SetMarked(true);
1325 	fAlignLeft->SetShortcut('L', B_OPTION_KEY);
1326 
1327 	subMenu->AddItem(fAlignCenter = new BMenuItem(B_TRANSLATE("Center"),
1328 		new BMessage(ALIGN_CENTER)));
1329 	fAlignCenter->SetShortcut('C', B_OPTION_KEY);
1330 
1331 	subMenu->AddItem(fAlignRight = new BMenuItem(B_TRANSLATE("Right"),
1332 		new BMessage(ALIGN_RIGHT)));
1333 	fAlignRight->SetShortcut('R', B_OPTION_KEY);
1334 
1335 	menu->AddItem(subMenu);
1336 	menu->AddItem(fWrapItem = new BMenuItem(B_TRANSLATE("Wrap lines"),
1337 		new BMessage(WRAP_LINES)));
1338 	fWrapItem->SetMarked(true);
1339 	fWrapItem->SetShortcut('W', B_OPTION_KEY);
1340 
1341 	BMessage *message = new BMessage(MENU_RELOAD);
1342 	message->AddString("encoding", "auto");
1343 	menu->AddItem(fEncodingItem = new BMenuItem(_PopulateEncodingMenu(
1344 		new BMenu(B_TRANSLATE("Text encoding")), "UTF-8"),
1345 		message));
1346 	fEncodingItem->SetEnabled(false);
1347 
1348 	menu->AddSeparatorItem();
1349 	menu->AddItem(new BMenuItem(B_TRANSLATE("Statistics" B_UTF8_ELLIPSIS),
1350 		new BMessage(SHOW_STATISTICS)));
1351 
1352 	fSavePanel = NULL;
1353 	fSavePanelEncodingMenu = NULL;
1354 		// build lazily
1355 }
1356 
1357 
1358 void
1359 StyledEditWindow::_BuildFontColorMenu(BMenu* menu)
1360 {
1361 	if (menu == NULL)
1362 		return;
1363 
1364 	BFont font;
1365 	menu->GetFont(&font);
1366 	font_height fh;
1367 	font.GetHeight(&fh);
1368 
1369 	const float itemHeight = ceilf(fh.ascent + fh.descent + 2 * fh.leading);
1370 	const float margin = 8.0;
1371 	const int nbColumns = 5;
1372 
1373 	BMessage msgTemplate(FONT_COLOR);
1374 	BRect matrixArea(0, 0, 0, 0);
1375 
1376 	// we place the color palette, reserving room at the top
1377 	for (uint i = 0; i < sizeof(palette) / sizeof(rgb_color); i++) {
1378 		BPoint topLeft((i % nbColumns) * (itemHeight + margin),
1379 			(i / nbColumns) * (itemHeight + margin));
1380 		BRect buttonArea(topLeft.x, topLeft.y, topLeft.x + itemHeight,
1381 			topLeft.y + itemHeight);
1382 		buttonArea.OffsetBy(margin, itemHeight + margin + margin);
1383 		menu->AddItem(
1384 			new ColorMenuItem("", palette[i], new BMessage(msgTemplate)),
1385 			buttonArea);
1386 		buttonArea.OffsetBy(margin, margin);
1387 		matrixArea = matrixArea | buttonArea;
1388 	}
1389 
1390 	// separator at the bottom to add spacing in the matrix menu
1391 	matrixArea.top = matrixArea.bottom;
1392 	menu->AddItem(new BSeparatorItem(), matrixArea);
1393 
1394 	matrixArea.top = 0;
1395 	matrixArea.bottom = itemHeight + 4;
1396 
1397 	BMessage* msg = new BMessage(msgTemplate);
1398 	msg->AddBool("default", true);
1399 	fDefaultFontColorItem = new ColorMenuItem(B_TRANSLATE("Default"),
1400 		ui_color(B_DOCUMENT_TEXT_COLOR), msg);
1401 	menu->AddItem(fDefaultFontColorItem, matrixArea);
1402 
1403 	matrixArea.top = matrixArea.bottom;
1404 	matrixArea.bottom = matrixArea.top + margin;
1405 	menu->AddItem(new BSeparatorItem(), matrixArea);
1406 }
1407 
1408 
1409 void
1410 StyledEditWindow::_LoadAttrs()
1411 {
1412 	entry_ref dir;
1413 	const char* name;
1414 	if (fSaveMessage->FindRef("directory", &dir) != B_OK
1415 		|| fSaveMessage->FindString("name", &name) != B_OK)
1416 		return;
1417 
1418 	BPath documentPath(&dir);
1419 	documentPath.Append(name);
1420 
1421 	BNode documentNode(documentPath.Path());
1422 	if (documentNode.InitCheck() != B_OK)
1423 		return;
1424 
1425 	// info about position of caret may live in the file attributes
1426 	int32 position = 0;
1427 	if (documentNode.ReadAttr("be:caret_position", B_INT32_TYPE, 0,
1428 			&position, sizeof(position)) != sizeof(position))
1429 		position = 0;
1430 
1431 	fTextView->Select(position, position);
1432 	fTextView->ScrollToOffset(position);
1433 
1434 	BRect newFrame;
1435 	ssize_t bytesRead = documentNode.ReadAttr(kInfoAttributeName, B_RECT_TYPE,
1436 		0, &newFrame, sizeof(BRect));
1437 	if (bytesRead != sizeof(BRect))
1438 		return;
1439 
1440 	swap_data(B_RECT_TYPE, &newFrame, sizeof(BRect), B_SWAP_BENDIAN_TO_HOST);
1441 
1442 	// Check if the frame in on screen, otherwise, ignore it
1443 	BScreen screen(this);
1444 	if (newFrame.Width() > 32 && newFrame.Height() > 32
1445 		&& screen.Frame().Contains(newFrame)) {
1446 		MoveTo(newFrame.left, newFrame.top);
1447 		ResizeTo(newFrame.Width(), newFrame.Height());
1448 	}
1449 }
1450 
1451 
1452 void
1453 StyledEditWindow::_SaveAttrs()
1454 {
1455 	if (!fSaveMessage)
1456 		return;
1457 
1458 	entry_ref dir;
1459 	const char* name;
1460 	if (fSaveMessage->FindRef("directory", &dir) != B_OK
1461 		|| fSaveMessage->FindString("name", &name) != B_OK)
1462 		return;
1463 
1464 	BPath documentPath(&dir);
1465 	documentPath.Append(name);
1466 
1467 	BNode documentNode(documentPath.Path());
1468 	if (documentNode.InitCheck() != B_OK)
1469 		return;
1470 
1471 	BRect frame(Frame());
1472 	swap_data(B_RECT_TYPE, &frame, sizeof(BRect), B_SWAP_HOST_TO_BENDIAN);
1473 
1474 	documentNode.WriteAttr(kInfoAttributeName, B_RECT_TYPE, 0, &frame,
1475 		sizeof(BRect));
1476 
1477 	// preserve caret line and position
1478 	int32 start, end;
1479 	fTextView->GetSelection(&start, &end);
1480 	documentNode.WriteAttr("be:caret_position",
1481 			B_INT32_TYPE, 0, &start, sizeof(start));
1482 }
1483 
1484 
1485 #undef B_TRANSLATION_CONTEXT
1486 #define B_TRANSLATION_CONTEXT "LoadAlert"
1487 
1488 
1489 status_t
1490 StyledEditWindow::_LoadFile(entry_ref* ref, const char* forceEncoding)
1491 {
1492 	BEntry entry(ref, true);
1493 		// traverse an eventual link
1494 
1495 	status_t status = entry.InitCheck();
1496 	if (status == B_OK && entry.IsDirectory())
1497 		status = B_IS_A_DIRECTORY;
1498 
1499 	BFile file;
1500 	if (status == B_OK)
1501 		status = file.SetTo(&entry, B_READ_ONLY);
1502 	if (status == B_OK)
1503 		status = fTextView->GetStyledText(&file, forceEncoding);
1504 
1505 	if (status == B_ENTRY_NOT_FOUND) {
1506 		// Treat non-existing files consideratley; we just want to get an
1507 		// empty window for them - to create this new document
1508 		status = B_OK;
1509 	}
1510 
1511 	if (status != B_OK) {
1512 		// If an error occured, bail out and tell the user what happened
1513 		BEntry entry(ref, true);
1514 		char name[B_FILE_NAME_LENGTH];
1515 		if (entry.GetName(name) != B_OK)
1516 			strlcpy(name, B_TRANSLATE("???"), sizeof(name));
1517 
1518 		BString text;
1519 		if (status == B_BAD_TYPE)
1520 			bs_printf(&text,
1521 				B_TRANSLATE("Error loading \"%s\":\n\tUnsupported format"), name);
1522 		else
1523 			bs_printf(&text, B_TRANSLATE("Error loading \"%s\":\n\t%s"),
1524 				name, strerror(status));
1525 
1526 		_ShowAlert(text, B_TRANSLATE("OK"), "", "", B_STOP_ALERT);
1527 		return status;
1528 	}
1529 
1530 	struct stat st;
1531 	if (file.InitCheck() == B_OK && file.GetStat(&st) == B_OK) {
1532 		bool editable = (getuid() == st.st_uid && S_IWUSR & st.st_mode)
1533 					|| (getgid() == st.st_gid && S_IWGRP & st.st_mode)
1534 					|| (S_IWOTH & st.st_mode);
1535 		BVolume volume(ref->device);
1536 		editable = editable && !volume.IsReadOnly();
1537 		_SetReadOnly(!editable);
1538 	}
1539 
1540 	// update alignment
1541 	switch (fTextView->Alignment()) {
1542 		case B_ALIGN_LEFT:
1543 		default:
1544 			fAlignLeft->SetMarked(true);
1545 			break;
1546 		case B_ALIGN_CENTER:
1547 			fAlignCenter->SetMarked(true);
1548 			break;
1549 		case B_ALIGN_RIGHT:
1550 			fAlignRight->SetMarked(true);
1551 			break;
1552 	}
1553 
1554 	// update word wrapping
1555 	fWrapItem->SetMarked(fTextView->DoesWordWrap());
1556 	return B_OK;
1557 }
1558 
1559 
1560 #undef B_TRANSLATION_CONTEXT
1561 #define B_TRANSLATION_CONTEXT "RevertToSavedAlert"
1562 
1563 
1564 void
1565 StyledEditWindow::_ReloadDocument(BMessage* message)
1566 {
1567 	entry_ref ref;
1568 	const char* name;
1569 
1570 	if (fSaveMessage == NULL || message == NULL
1571 		|| fSaveMessage->FindRef("directory", &ref) != B_OK
1572 		|| fSaveMessage->FindString("name", &name) != B_OK)
1573 		return;
1574 
1575 	BDirectory dir(&ref);
1576 	status_t status = dir.InitCheck();
1577 	BEntry entry;
1578 	if (status == B_OK)
1579 		status = entry.SetTo(&dir, name);
1580 
1581 	if (status == B_OK)
1582 		status = entry.GetRef(&ref);
1583 
1584 	if (status != B_OK || !entry.Exists()) {
1585 		BString alertText;
1586 		bs_printf(&alertText,
1587 			B_TRANSLATE("Cannot revert, file not found: \"%s\"."), name);
1588 		_ShowAlert(alertText, B_TRANSLATE("OK"), "", "", B_STOP_ALERT);
1589 		return;
1590 	}
1591 
1592 	if (!fClean) {
1593 		BString alertText;
1594 		bs_printf(&alertText,
1595 			B_TRANSLATE("\"%s\" has unsaved changes.\n"
1596 				"Revert it to the last saved version? "), Title());
1597 		if (_ShowAlert(alertText, B_TRANSLATE("Cancel"), B_TRANSLATE("Revert"),
1598 			"", B_WARNING_ALERT) != 1)
1599 			return;
1600 	}
1601 
1602 	const BCharacterSet* charset
1603 		= BCharacterSetRoster::GetCharacterSetByFontID(
1604 			fTextView->GetEncoding());
1605 	const char* forceEncoding = NULL;
1606 	if (message->FindString("encoding", &forceEncoding) != B_OK) {
1607 		if (charset != NULL)
1608 			forceEncoding = charset->GetName();
1609 	} else {
1610 		if (charset != NULL) {
1611 			// UTF8 id assumed equal to -1
1612 			const uint32 idUTF8 = (uint32)-1;
1613 			uint32 id = charset->GetConversionID();
1614 			if (strcmp(forceEncoding, "next") == 0)
1615 				id = id == B_MS_WINDOWS_1250_CONVERSION	? idUTF8 : id + 1;
1616 			else if (strcmp(forceEncoding, "previous") == 0)
1617 				id = id == idUTF8 ? B_MS_WINDOWS_1250_CONVERSION : id - 1;
1618 			const BCharacterSet* newCharset
1619 				= BCharacterSetRoster::GetCharacterSetByConversionID(id);
1620 			if (newCharset != NULL)
1621 				forceEncoding = newCharset->GetName();
1622 		}
1623 	}
1624 
1625 	BScrollBar* vertBar = fScrollView->ScrollBar(B_VERTICAL);
1626 	float vertPos = vertBar != NULL ? vertBar->Value() : 0.f;
1627 
1628 	DisableUpdates();
1629 
1630 	fTextView->Reset();
1631 
1632 	status = _LoadFile(&ref, forceEncoding);
1633 
1634 	if (vertBar != NULL)
1635 		vertBar->SetValue(vertPos);
1636 
1637 	EnableUpdates();
1638 
1639 	if (status != B_OK)
1640 		return;
1641 
1642 #undef B_TRANSLATION_CONTEXT
1643 #define B_TRANSLATION_CONTEXT "Menus"
1644 
1645 	// clear undo modes
1646 	fUndoItem->SetLabel(B_TRANSLATE("Can't undo"));
1647 	fUndoItem->SetEnabled(false);
1648 	fUndoFlag = false;
1649 	fCanUndo = false;
1650 	fRedoFlag = false;
1651 	fCanRedo = false;
1652 
1653 	// clear clean modes
1654 	fSaveItem->SetEnabled(false);
1655 
1656 	fUndoCleans = false;
1657 	fRedoCleans = false;
1658 	fClean = true;
1659 
1660 	fNagOnNodeChange = true;
1661 }
1662 
1663 
1664 status_t
1665 StyledEditWindow::_UnlockFile()
1666 {
1667 	_NodeMonitorSuspender nodeMonitorSuspender(this);
1668 
1669 	if (!fSaveMessage)
1670 		return B_ERROR;
1671 
1672 	entry_ref dirRef;
1673 	const char* name;
1674 	if (fSaveMessage->FindRef("directory", &dirRef) != B_OK
1675 		|| fSaveMessage->FindString("name", &name) != B_OK)
1676 		return B_BAD_VALUE;
1677 
1678 	BDirectory dir(&dirRef);
1679 	BEntry entry(&dir, name);
1680 
1681 	status_t status = dir.InitCheck();
1682 	if (status != B_OK)
1683 		return status;
1684 
1685 	status = entry.InitCheck();
1686 	if (status != B_OK)
1687 		return status;
1688 
1689 	struct stat st;
1690 	BFile file(&entry, B_READ_WRITE);
1691 	status = file.InitCheck();
1692 	if (status != B_OK)
1693 		return status;
1694 
1695 	status = file.GetStat(&st);
1696 	if (status != B_OK)
1697 		return status;
1698 
1699 	st.st_mode |= S_IWUSR;
1700 	status = file.SetPermissions(st.st_mode);
1701 	if (status == B_OK)
1702 		_SetReadOnly(false);
1703 
1704 	return status;
1705 }
1706 
1707 
1708 bool
1709 StyledEditWindow::_Search(BString string, bool caseSensitive, bool wrap,
1710 	bool backSearch, bool scrollToOccurence)
1711 {
1712 	int32 start;
1713 	int32 finish;
1714 
1715 	start = B_ERROR;
1716 
1717 	int32 length = string.Length();
1718 	if (length == 0)
1719 		return false;
1720 
1721 	BString viewText(fTextView->Text());
1722 	int32 textStart, textFinish;
1723 	fTextView->GetSelection(&textStart, &textFinish);
1724 	if (backSearch) {
1725 		if (caseSensitive)
1726 			start = viewText.FindLast(string, textStart);
1727 		else
1728 			start = viewText.IFindLast(string, textStart);
1729 	} else {
1730 		if (caseSensitive)
1731 			start = viewText.FindFirst(string, textFinish);
1732 		else
1733 			start = viewText.IFindFirst(string, textFinish);
1734 	}
1735 	if (start == B_ERROR && wrap) {
1736 		if (backSearch) {
1737 			if (caseSensitive)
1738 				start = viewText.FindLast(string, viewText.Length());
1739 			else
1740 				start = viewText.IFindLast(string, viewText.Length());
1741 		} else {
1742 			if (caseSensitive)
1743 				start = viewText.FindFirst(string, 0);
1744 			else
1745 				start = viewText.IFindFirst(string, 0);
1746 		}
1747 	}
1748 
1749 	if (start != B_ERROR) {
1750 		finish = start + length;
1751 		fTextView->Select(start, finish);
1752 
1753 		if (scrollToOccurence)
1754 			fTextView->ScrollToSelection();
1755 		return true;
1756 	}
1757 
1758 	return false;
1759 }
1760 
1761 
1762 void
1763 StyledEditWindow::_FindSelection()
1764 {
1765 	int32 selectionStart, selectionFinish;
1766 	fTextView->GetSelection(&selectionStart, &selectionFinish);
1767 
1768 	int32 selectionLength = selectionFinish- selectionStart;
1769 
1770 	BString viewText = fTextView->Text();
1771 	viewText.CopyInto(fStringToFind, selectionStart, selectionLength);
1772 	fFindAgainItem->SetEnabled(true);
1773 	_Search(fStringToFind, fCaseSensitive, fWrapAround, fBackSearch);
1774 }
1775 
1776 
1777 bool
1778 StyledEditWindow::_Replace(BString findThis, BString replaceWith,
1779 	bool caseSensitive, bool wrap, bool backSearch)
1780 {
1781 	if (_Search(findThis, caseSensitive, wrap, backSearch)) {
1782 		int32 start;
1783 		int32 finish;
1784 		fTextView->GetSelection(&start, &finish);
1785 
1786 		_UpdateCleanUndoRedoSaveRevert();
1787 		fTextView->SetSuppressChanges(true);
1788 		fTextView->Delete(start, start + findThis.Length());
1789 		fTextView->Insert(start, replaceWith.String(), replaceWith.Length());
1790 		fTextView->SetSuppressChanges(false);
1791 		fTextView->Select(start, start + replaceWith.Length());
1792 		fTextView->ScrollToSelection();
1793 		return true;
1794 	}
1795 
1796 	return false;
1797 }
1798 
1799 
1800 void
1801 StyledEditWindow::_ReplaceAll(BString findThis, BString replaceWith,
1802 	bool caseSensitive)
1803 {
1804 	bool first = true;
1805 	fTextView->SetSuppressChanges(true);
1806 
1807 	// start from the beginning of text
1808 	fTextView->Select(0, 0);
1809 
1810 	// iterate occurences of findThis without wrapping around
1811 	while (_Search(findThis, caseSensitive, false, false, false)) {
1812 		if (first) {
1813 			_UpdateCleanUndoRedoSaveRevert();
1814 			first = false;
1815 		}
1816 		int32 start;
1817 		int32 finish;
1818 
1819 		fTextView->GetSelection(&start, &finish);
1820 		fTextView->Delete(start, start + findThis.Length());
1821 		fTextView->Insert(start, replaceWith.String(), replaceWith.Length());
1822 
1823 		// advance the caret behind the inserted text
1824 		start += replaceWith.Length();
1825 		fTextView->Select(start, start);
1826 	}
1827 	fTextView->ScrollToSelection();
1828 	fTextView->SetSuppressChanges(false);
1829 }
1830 
1831 
1832 void
1833 StyledEditWindow::_SetFontSize(float fontSize)
1834 {
1835 	uint32 sameProperties;
1836 	BFont font;
1837 
1838 	fTextView->GetFontAndColor(&font, &sameProperties);
1839 	font.SetSize(fontSize);
1840 	fTextView->SetFontAndColor(&font, B_FONT_SIZE);
1841 
1842 	_UpdateCleanUndoRedoSaveRevert();
1843 }
1844 
1845 
1846 void
1847 StyledEditWindow::_SetFontColor(const rgb_color* color)
1848 {
1849 	uint32 sameProperties;
1850 	BFont font;
1851 
1852 	fTextView->GetFontAndColor(&font, &sameProperties, NULL, NULL);
1853 	fTextView->SetFontAndColor(&font, 0, color);
1854 
1855 	_UpdateCleanUndoRedoSaveRevert();
1856 }
1857 
1858 
1859 void
1860 StyledEditWindow::_SetFontStyle(const char* fontFamily, const char* fontStyle)
1861 {
1862 	BFont font;
1863 	uint32 sameProperties;
1864 
1865 	// find out what the old font was
1866 	font_family oldFamily;
1867 	font_style oldStyle;
1868 	fTextView->GetFontAndColor(&font, &sameProperties);
1869 	font.GetFamilyAndStyle(&oldFamily, &oldStyle);
1870 
1871 	// clear that family's bit on the menu, if necessary
1872 	if (strcmp(oldFamily, fontFamily)) {
1873 		BMenuItem* oldItem = fFontMenu->FindItem(oldFamily);
1874 		if (oldItem != NULL) {
1875 			oldItem->SetMarked(false);
1876 			BMenu* menu = oldItem->Submenu();
1877 			if (menu != NULL) {
1878 				oldItem = menu->FindItem(oldStyle);
1879 				if (oldItem != NULL)
1880 					oldItem->SetMarked(false);
1881 			}
1882 		}
1883 	}
1884 
1885 	font.SetFamilyAndStyle(fontFamily, fontStyle);
1886 
1887 	uint16 face = 0;
1888 
1889 	if (!(font.Face() & B_REGULAR_FACE))
1890 		face = font.Face();
1891 
1892 	if (fBoldItem->IsMarked())
1893 		face |= B_BOLD_FACE;
1894 
1895 	if (fItalicItem->IsMarked())
1896 		face |= B_ITALIC_FACE;
1897 
1898 	font.SetFace(face);
1899 
1900 	fTextView->SetFontAndColor(&font, B_FONT_FAMILY_AND_STYLE);
1901 
1902 	BMenuItem* superItem;
1903 	superItem = fFontMenu->FindItem(fontFamily);
1904 	if (superItem != NULL) {
1905 		superItem->SetMarked(true);
1906 		fCurrentFontItem = superItem;
1907 	}
1908 
1909 	_UpdateCleanUndoRedoSaveRevert();
1910 }
1911 
1912 
1913 #undef B_TRANSLATION_CONTEXT
1914 #define B_TRANSLATION_CONTEXT "Statistics"
1915 
1916 
1917 int32
1918 StyledEditWindow::_ShowStatistics()
1919 {
1920 	size_t words = 0;
1921 	bool inWord = false;
1922 	size_t length = fTextView->TextLength();
1923 
1924 	for (size_t i = 0; i < length; i++)	{
1925 		if (BUnicodeChar::IsWhitespace(fTextView->Text()[i])) {
1926 			inWord = false;
1927 		} else if (!inWord)	{
1928 			words++;
1929 			inWord = true;
1930 		}
1931 	}
1932 
1933 	BString result;
1934 	result << B_TRANSLATE("Document statistics") << '\n' << '\n'
1935 		<< B_TRANSLATE("Lines:") << ' ' << fTextView->CountLines() << '\n'
1936 		<< B_TRANSLATE("Characters:") << ' ' << length << '\n'
1937 		<< B_TRANSLATE("Words:") << ' ' << words;
1938 
1939 	BAlert* alert = new BAlert("Statistics", result, B_TRANSLATE("OK"), NULL,
1940 		NULL, B_WIDTH_AS_USUAL, B_EVEN_SPACING, B_INFO_ALERT);
1941 	alert->SetFlags(alert->Flags() | B_CLOSE_ON_ESCAPE);
1942 
1943 	return alert->Go();
1944 }
1945 
1946 
1947 void
1948 StyledEditWindow::_SetReadOnly(bool readOnly)
1949 {
1950 	fReplaceItem->SetEnabled(!readOnly);
1951 	fReplaceSameItem->SetEnabled(!readOnly);
1952 	fFontMenu->SetEnabled(!readOnly);
1953 	fAlignLeft->Menu()->SetEnabled(!readOnly);
1954 	fWrapItem->SetEnabled(!readOnly);
1955 	fTextView->MakeEditable(!readOnly);
1956 }
1957 
1958 
1959 #undef B_TRANSLATION_CONTEXT
1960 #define B_TRANSLATION_CONTEXT "Menus"
1961 
1962 
1963 void
1964 StyledEditWindow::_UpdateCleanUndoRedoSaveRevert()
1965 {
1966 	fClean = false;
1967 	fUndoCleans = false;
1968 	fRedoCleans = false;
1969 	fReloadItem->SetEnabled(fSaveMessage != NULL);
1970 	fEncodingItem->SetEnabled(fSaveMessage != NULL);
1971 	fSaveItem->SetEnabled(true);
1972 	fUndoItem->SetLabel(B_TRANSLATE("Can't undo"));
1973 	fUndoItem->SetEnabled(false);
1974 	fCanUndo = false;
1975 	fCanRedo = false;
1976 }
1977 
1978 
1979 int32
1980 StyledEditWindow::_ShowAlert(const BString& text, const BString& label,
1981 	const BString& label2, const BString& label3, alert_type type) const
1982 {
1983 	const char* button2 = NULL;
1984 	if (label2.Length() > 0)
1985 		button2 = label2.String();
1986 
1987 	const char* button3 = NULL;
1988 	button_spacing spacing = B_EVEN_SPACING;
1989 	if (label3.Length() > 0) {
1990 		button3 = label3.String();
1991 		spacing = B_OFFSET_SPACING;
1992 	}
1993 
1994 	BAlert* alert = new BAlert("Alert", text.String(), label.String(), button2,
1995 		button3, B_WIDTH_AS_USUAL, spacing, type);
1996 	alert->SetShortcut(0, B_ESCAPE);
1997 
1998 	return alert->Go();
1999 }
2000 
2001 
2002 BMenu*
2003 StyledEditWindow::_PopulateEncodingMenu(BMenu* menu, const char* currentEncoding)
2004 {
2005 	menu->SetRadioMode(true);
2006 	BString encoding(currentEncoding);
2007 	if (encoding.Length() == 0)
2008 		encoding.SetTo("UTF-8");
2009 
2010 	BCharacterSetRoster roster;
2011 	BCharacterSet charset;
2012 	while (roster.GetNextCharacterSet(&charset) == B_OK) {
2013 		const char* mime = charset.GetMIMEName();
2014 		BString name(charset.GetPrintName());
2015 
2016 		if (mime)
2017 			name << " (" << mime << ")";
2018 
2019 		BMessage *message = new BMessage(MENU_RELOAD);
2020 		if (message != NULL) {
2021 			message->AddString("encoding", charset.GetName());
2022 			BMenuItem* item = new BMenuItem(name, message);
2023 			if (encoding.Compare(charset.GetName()) == 0)
2024 				item->SetMarked(true);
2025 			menu->AddItem(item);
2026 		}
2027 	}
2028 
2029 	menu->AddSeparatorItem();
2030 	BMessage *message = new BMessage(MENU_RELOAD);
2031 	message->AddString("encoding", "auto");
2032 	menu->AddItem(new BMenuItem(B_TRANSLATE("Autodetect"), message));
2033 
2034 	message = new BMessage(MENU_RELOAD);
2035 	message->AddString("encoding", "next");
2036 	AddShortcut(B_PAGE_DOWN, B_OPTION_KEY, message);
2037 	message = new BMessage(MENU_RELOAD);
2038 	message->AddString("encoding", "previous");
2039 	AddShortcut(B_PAGE_UP, B_OPTION_KEY, message);
2040 
2041 	return menu;
2042 }
2043 
2044 
2045 #undef B_TRANSLATION_CONTEXT
2046 #define B_TRANSLATION_CONTEXT "NodeMonitorAlerts"
2047 
2048 
2049 void
2050 StyledEditWindow::_ShowNodeChangeAlert(const char* name, bool removed)
2051 {
2052 	if (!fNagOnNodeChange)
2053 		return;
2054 
2055 	BString alertText(removed ? B_TRANSLATE("File \"%file%\" was removed by "
2056 		"another application, recover it?")
2057 		: B_TRANSLATE("File \"%file%\" was modified by "
2058 		"another application, reload it?"));
2059 	alertText.ReplaceAll("%file%", name);
2060 
2061 	if (_ShowAlert(alertText, removed ? B_TRANSLATE("Recover")
2062 			: B_TRANSLATE("Reload"), B_TRANSLATE("Ignore"), "",
2063 			B_WARNING_ALERT) == 0)
2064 	{
2065 		if (!removed) {
2066 			// supress the warning - user has already agreed
2067 			fClean = true;
2068 			BMessage msg(MENU_RELOAD);
2069 			_ReloadDocument(&msg);
2070 		} else
2071 			Save();
2072 	} else
2073 		fNagOnNodeChange = false;
2074 
2075 	fSaveItem->SetEnabled(!fClean);
2076 }
2077 
2078 
2079 void
2080 StyledEditWindow::_HandleNodeMonitorEvent(BMessage *message)
2081 {
2082 	int32 opcode = 0;
2083 	if (message->FindInt32("opcode", &opcode) != B_OK)
2084 		return;
2085 
2086 	if (opcode != B_ENTRY_CREATED
2087 		&& message->FindInt64("node") != fNodeRef.node)
2088 		// bypass foreign nodes' event
2089 		return;
2090 
2091 	switch (opcode) {
2092 		case B_STAT_CHANGED:
2093 			{
2094 				int32 fields = 0;
2095 				if (message->FindInt32("fields", &fields) == B_OK
2096 					&& (fields & (B_STAT_SIZE | B_STAT_MODIFICATION_TIME
2097 							| B_STAT_MODE)) == 0)
2098 					break;
2099 
2100 				const char* name = NULL;
2101 				if (fSaveMessage->FindString("name", &name) != B_OK)
2102 					break;
2103 
2104 				_ShowNodeChangeAlert(name, false);
2105 			}
2106 			break;
2107 
2108 		case B_ENTRY_MOVED:
2109 			{
2110 				int32 device = 0;
2111 				int64 srcFolder = 0;
2112 				int64 dstFolder = 0;
2113 				const char* name = NULL;
2114 				if (message->FindInt32("device", &device) != B_OK
2115 					|| message->FindInt64("to directory", &dstFolder) != B_OK
2116 					|| message->FindInt64("from directory", &srcFolder) != B_OK
2117 					|| message->FindString("name", &name) != B_OK)
2118 						break;
2119 
2120 				entry_ref newRef(device, dstFolder, name);
2121 				BEntry entry(&newRef);
2122 
2123 				BEntry dirEntry;
2124 				entry.GetParent(&dirEntry);
2125 
2126 				entry_ref ref;
2127 				dirEntry.GetRef(&ref);
2128 				fSaveMessage->ReplaceRef("directory", &ref);
2129 				fSaveMessage->ReplaceString("name", name);
2130 
2131 				// store previous name - it may be useful in case
2132 				// we have just moved to temporary copy of file (vim case)
2133 				const char* sourceName = NULL;
2134 				if (message->FindString("from name", &sourceName) == B_OK) {
2135 					fSaveMessage->RemoveName("org.name");
2136 					fSaveMessage->AddString("org.name", sourceName);
2137 					fSaveMessage->RemoveName("move time");
2138 					fSaveMessage->AddInt64("move time", system_time());
2139 				}
2140 
2141 				SetTitle(name);
2142 
2143 				if (srcFolder != dstFolder) {
2144 					_SwitchNodeMonitor(false);
2145 					_SwitchNodeMonitor(true);
2146 				}
2147 				PostMessage(UPDATE_STATUS_REF);
2148 			}
2149 			break;
2150 
2151 		case B_ENTRY_REMOVED:
2152 			{
2153 				_SwitchNodeMonitor(false);
2154 
2155 				fClean = false;
2156 
2157 				// some editors like vim save files in following way:
2158 				// 1) move t.txt -> t.txt~
2159 				// 2) re-create t.txt and write data to it
2160 				// 3) remove t.txt~
2161 				// go to catch this case
2162 				int32 device = 0;
2163 				int64 directory = 0;
2164 				BString orgName;
2165 				if (fSaveMessage->FindString("org.name", &orgName) == B_OK
2166 					&& message->FindInt32("device", &device) == B_OK
2167 					&& message->FindInt64("directory", &directory) == B_OK)
2168 				{
2169 					// reuse the source name if it is not too old
2170 					bigtime_t time = fSaveMessage->FindInt64("move time");
2171 					if ((system_time() - time) < 1000000) {
2172 						entry_ref ref(device, directory, orgName);
2173 						BEntry entry(&ref);
2174 						if (entry.InitCheck() == B_OK) {
2175 							_SwitchNodeMonitor(true, &ref);
2176 						}
2177 
2178 						fSaveMessage->ReplaceString("name", orgName);
2179 						fSaveMessage->RemoveName("org.name");
2180 						fSaveMessage->RemoveName("move time");
2181 
2182 						SetTitle(orgName);
2183 						_ShowNodeChangeAlert(orgName, false);
2184 						break;
2185 					}
2186 				}
2187 
2188 				const char* name = NULL;
2189 				if (message->FindString("name", &name) != B_OK
2190 					&& fSaveMessage->FindString("name", &name) != B_OK)
2191 					name = "Unknown";
2192 
2193 				_ShowNodeChangeAlert(name, true);
2194 				PostMessage(UPDATE_STATUS_REF);
2195 			}
2196 			break;
2197 
2198 		default:
2199 			break;
2200 	}
2201 }
2202 
2203 
2204 void
2205 StyledEditWindow::_SwitchNodeMonitor(bool on, entry_ref* ref)
2206 {
2207 	if (!on) {
2208 		watch_node(&fNodeRef, B_STOP_WATCHING, this);
2209 		watch_node(&fFolderNodeRef, B_STOP_WATCHING, this);
2210 		fNodeRef = node_ref();
2211 		fFolderNodeRef = node_ref();
2212 		return;
2213 	}
2214 
2215 	BEntry entry, folderEntry;
2216 
2217 	if (ref != NULL) {
2218 		entry.SetTo(ref, true);
2219 		entry.GetParent(&folderEntry);
2220 
2221 	} else if (fSaveMessage != NULL) {
2222 		entry_ref ref;
2223 		const char* name = NULL;
2224 		if (fSaveMessage->FindRef("directory", &ref) != B_OK
2225 			|| fSaveMessage->FindString("name", &name) != B_OK)
2226 			return;
2227 
2228 		BDirectory dir(&ref);
2229 		entry.SetTo(&dir, name);
2230 		folderEntry.SetTo(&ref);
2231 
2232 	} else
2233 		return;
2234 
2235 	if (entry.InitCheck() != B_OK || folderEntry.InitCheck() != B_OK)
2236 		return;
2237 
2238 	entry.GetNodeRef(&fNodeRef);
2239 	folderEntry.GetNodeRef(&fFolderNodeRef);
2240 
2241 	watch_node(&fNodeRef, B_WATCH_STAT, this);
2242 	watch_node(&fFolderNodeRef, B_WATCH_DIRECTORY, this);
2243 }
2244