xref: /haiku/src/apps/screenshot/ScreenshotWindow.cpp (revision 9f1c3cfece4acc1e9c260371f67753d7a7f23caf)
1 /*
2  * Copyright 2010 Wim van der Meer <WPJvanderMeer@gmail.com>
3  * Copyright Karsten Heimrich, host.haiku@gmx.de.
4  * All rights reserved. Distributed under the terms of the MIT License.
5  *
6  * Authors:
7  *		Karsten Heimrich
8  *		Fredrik Modéen
9  *		Christophe Huriaux
10  *		Wim van der Meer
11  */
12 
13 
14 #include "ScreenshotWindow.h"
15 
16 #include <stdlib.h>
17 
18 #include <Alert.h>
19 #include <Application.h>
20 #include <Bitmap.h>
21 #include <Box.h>
22 #include <Button.h>
23 #include <Catalog.h>
24 #include <CheckBox.h>
25 #include <File.h>
26 #include <FilePanel.h>
27 #include <FindDirectory.h>
28 #include <GridLayoutBuilder.h>
29 #include <GroupLayoutBuilder.h>
30 #include <Locale.h>
31 #include <Menu.h>
32 #include <MenuField.h>
33 #include <MenuItem.h>
34 #include <MessageFilter.h>
35 #include <Path.h>
36 #include <Roster.h>
37 #include <SpaceLayoutItem.h>
38 #include <String.h>
39 #include <StringView.h>
40 #include <TextControl.h>
41 #include <TranslationUtils.h>
42 #include <TranslatorRoster.h>
43 
44 #include "PreviewView.h"
45 #include "Utility.h"
46 
47 
48 #undef B_TRANSLATE_CONTEXT
49 #define B_TRANSLATE_CONTEXT "ScreenshotWindow"
50 
51 
52 enum {
53 	kActiveWindow,
54 	kIncludeBorder,
55 	kIncludeCursor,
56 	kNewScreenshot,
57 	kImageFormat,
58 	kLocationChanged,
59 	kChooseLocation,
60 	kSaveScreenshot,
61 	kSettings,
62 	kCloseTranslatorSettings
63 };
64 
65 
66 // #pragma mark - QuitMessageFilter
67 
68 
69 class QuitMessageFilter : public BMessageFilter {
70 public:
71 	QuitMessageFilter(BWindow* window)
72 		:
73 		BMessageFilter((uint32)B_QUIT_REQUESTED),
74 		fWindow(window)
75 	{
76 	}
77 
78 	virtual filter_result Filter(BMessage* message, BHandler** target)
79 	{
80 		BMessenger(fWindow).SendMessage(kCloseTranslatorSettings);
81 		return B_SKIP_MESSAGE;
82 	}
83 
84 private:
85 	BWindow* fWindow;
86 };
87 
88 
89 // #pragma mark - DirectoryRefFilter
90 
91 
92 class DirectoryRefFilter : public BRefFilter {
93 public:
94 	virtual ~DirectoryRefFilter()
95 	{
96 	}
97 
98 	virtual bool Filter(const entry_ref* ref, BNode* node,
99 		struct stat_beos* stat, const char* filetype)
100 	{
101 		return node->IsDirectory();
102 	}
103 };
104 
105 
106 // #pragma mark - ScreenshotWindow
107 
108 
109 ScreenshotWindow::ScreenshotWindow(const Utility& utility, bool silent,
110 	bool clipboard)
111 	:
112 	BWindow(BRect(0, 0, 200.0, 100.0), B_TRANSLATE_SYSTEM_NAME("Screenshot"),
113 		B_TITLED_WINDOW, B_NOT_ZOOMABLE | B_NOT_RESIZABLE | B_AVOID_FRONT
114 		| B_QUIT_ON_WINDOW_CLOSE | B_AUTO_UPDATE_SIZE_LIMITS
115 		| B_CLOSE_ON_ESCAPE),
116 	fUtility(utility),
117 	fDelayControl(NULL),
118 	fScreenshot(NULL),
119 	fOutputPathPanel(NULL),
120 	fLastSelectedPath(NULL),
121 	fSettingsWindow(NULL),
122 	fDelay(0),
123 	fIncludeBorder(false),
124 	fIncludeCursor(false),
125 	fGrabActiveWindow(false),
126 	fOutputFilename(NULL),
127 	fExtension(""),
128 	fImageFileType(B_PNG_FORMAT)
129 {
130 	// _ReadSettings() needs a valid fOutputPathMenu
131 	fOutputPathMenu = new BMenu(B_TRANSLATE("Please select"));
132 	_ReadSettings();
133 
134 	// _NewScreenshot() needs a valid fNameControl
135 	BString name(B_TRANSLATE_NOCOLLECT(fUtility.sDefaultFileNameBase));
136 	name << 1;
137 	name = _FindValidFileName(name.String());
138 	fNameControl = new BTextControl("", B_TRANSLATE("Name:"), name, NULL);
139 
140 	// Check if fUtility contains valid data
141 	if (fUtility.wholeScreen == NULL) {
142 		_NewScreenshot(silent, clipboard);
143 		return;
144 	}
145 
146 	fScreenshot = fUtility.MakeScreenshot(fIncludeCursor, fGrabActiveWindow,
147 		fIncludeBorder);
148 
149 	fActiveWindow = new BCheckBox(B_TRANSLATE("Capture active window"),
150 		new BMessage(kActiveWindow));
151 	if (fGrabActiveWindow)
152 		fActiveWindow->SetValue(B_CONTROL_ON);
153 
154 	fWindowBorder = new BCheckBox(B_TRANSLATE("Include window border"),
155 		new BMessage(kIncludeBorder));
156 	if (fIncludeBorder)
157 		fWindowBorder->SetValue(B_CONTROL_ON);
158 	if (!fGrabActiveWindow)
159 		fWindowBorder->SetEnabled(false);
160 
161 	fShowCursor = new BCheckBox(B_TRANSLATE("Include mouse pointer"),
162 		new BMessage(kIncludeCursor));
163 	if (fIncludeCursor)
164 		fShowCursor->SetValue(B_CONTROL_ON);
165 
166 	BString delay;
167 	delay << fDelay / 1000000;
168 	fDelayControl = new BTextControl("", B_TRANSLATE("Delay:"), delay.String(),
169 		NULL);
170 	_DisallowChar(fDelayControl->TextView());
171 	fDelayControl->TextView()->SetAlignment(B_ALIGN_RIGHT);
172 	BStringView* seconds = new BStringView("", B_TRANSLATE("seconds"));
173 	seconds->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, B_SIZE_UNSET));
174 
175 	BMenuField* menuLocation = new BMenuField(B_TRANSLATE("Save in:"),
176 		fOutputPathMenu);
177 
178 	fTranslatorMenu = new BMenu(B_TRANSLATE("Please select"));
179 	_SetupTranslatorMenu();
180 	BMenuField* menuFormat = new BMenuField(B_TRANSLATE("Save as:"),
181 		fTranslatorMenu);
182 
183 	BButton* showSettings =  new BButton("", B_TRANSLATE("Settings"B_UTF8_ELLIPSIS),
184 			new BMessage(kSettings));
185 	showSettings->SetExplicitAlignment(BAlignment(B_ALIGN_RIGHT, B_ALIGN_BOTTOM));
186 
187 	BBox* divider = new BBox(B_FANCY_BORDER, NULL);
188 	divider->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, 1));
189 
190 	BButton* saveScreenshot  = new BButton("", B_TRANSLATE("Save"),
191 		new BMessage(kSaveScreenshot));
192 
193 	fPreview = new PreviewView();
194 
195 	BGridLayout* gridLayout = BGridLayoutBuilder(0.0, 5.0)
196 		.Add(fDelayControl->CreateLabelLayoutItem(), 0, 0)
197 		.Add(fDelayControl->CreateTextViewLayoutItem(), 1, 0)
198 		.Add(BSpaceLayoutItem::CreateHorizontalStrut(5), 2, 0)
199 		.Add(seconds, 3, 0)
200 		.Add(fNameControl->CreateLabelLayoutItem(), 0, 1)
201 		.Add(fNameControl->CreateTextViewLayoutItem(), 1, 1, 3, 1)
202 		.Add(menuLocation->CreateLabelLayoutItem(), 0, 2)
203 		.Add(menuLocation->CreateMenuBarLayoutItem(), 1, 2, 3, 1)
204 		.Add(menuFormat->CreateLabelLayoutItem(), 0, 3)
205 		.Add(menuFormat->CreateMenuBarLayoutItem(), 1, 3, 3, 1);
206 
207 	gridLayout->SetMinColumnWidth(1,
208 		menuFormat->StringWidth("SomethingLongHere"));
209 
210 	SetLayout(new BGroupLayout(B_HORIZONTAL, 0));
211 
212 	AddChild(BGroupLayoutBuilder(B_VERTICAL, 0)
213 		.Add(BGroupLayoutBuilder(B_HORIZONTAL, 10.0)
214 			.Add(fPreview)
215 			.AddGroup(B_VERTICAL, 0)
216 				.Add(fActiveWindow)
217 				.Add(fWindowBorder)
218 				.Add(fShowCursor)
219 				.AddStrut(10.0)
220 				.Add(gridLayout)
221 				.Add(showSettings)
222 				.AddGlue()
223 				.End())
224 		.AddStrut(10)
225 		.Add(divider)
226 		.AddStrut(10)
227 		.AddGroup(B_HORIZONTAL, 10.0)
228 			.Add(new BButton("", B_TRANSLATE("Copy to clipboard"),
229 				new BMessage(B_COPY)))
230 			.Add(new BButton("", B_TRANSLATE("New screenshot"),
231 				new BMessage(kNewScreenshot)))
232 			.AddGlue()
233 			.Add(saveScreenshot)
234 			.End()
235 		.SetInsets(10.0, 10.0, 10.0, 10.0)
236 	);
237 
238 	saveScreenshot->MakeDefault(true);
239 
240 	_UpdatePreviewPanel();
241 	_UpdateFilenameSelection();
242 
243 	CenterOnScreen();
244 	Show();
245 }
246 
247 
248 ScreenshotWindow::~ScreenshotWindow()
249 {
250 	if (fOutputPathPanel)
251 		delete fOutputPathPanel->RefFilter();
252 
253 	delete fOutputPathPanel;
254 	delete fScreenshot;
255 }
256 
257 
258 void
259 ScreenshotWindow::MessageReceived(BMessage* message)
260 {
261 	switch (message->what) {
262 		case kActiveWindow:
263 			fGrabActiveWindow = false;
264 			if (fActiveWindow->Value() == B_CONTROL_ON)
265 				fGrabActiveWindow = true;
266 
267 			fWindowBorder->SetEnabled(fGrabActiveWindow);
268 
269 			delete fScreenshot;
270 			fScreenshot = fUtility.MakeScreenshot(fIncludeCursor,
271 				fGrabActiveWindow, fIncludeBorder);
272 			_UpdatePreviewPanel();
273 			break;
274 
275 		case kIncludeBorder:
276 			fIncludeBorder = (fWindowBorder->Value() == B_CONTROL_ON);
277 			delete fScreenshot;
278 			fScreenshot = fUtility.MakeScreenshot(fIncludeCursor,
279 				fGrabActiveWindow, fIncludeBorder);
280 			_UpdatePreviewPanel();
281 			break;
282 
283 		case kIncludeCursor:
284 			fIncludeCursor = (fShowCursor->Value() == B_CONTROL_ON);
285 			delete fScreenshot;
286 			fScreenshot = fUtility.MakeScreenshot(fIncludeCursor,
287 				fGrabActiveWindow, fIncludeBorder);
288 			_UpdatePreviewPanel();
289 			break;
290 
291 		case kNewScreenshot:
292 			fDelay = (atoi(fDelayControl->Text()) * 1000000) + 50000;
293 			_NewScreenshot();
294 			break;
295 
296 		case kImageFormat:
297 			message->FindInt32("be:type", &fImageFileType);
298 			fNameControl->SetText(_FindValidFileName(
299 				fNameControl->Text()).String());
300 			_UpdateFilenameSelection();
301 			_ShowSettings(false);
302 			break;
303 
304 		case kLocationChanged:
305 		{
306 			void* source = NULL;
307 			if (message->FindPointer("source", &source) == B_OK)
308 				fLastSelectedPath = static_cast<BMenuItem*> (source);
309 
310 			fNameControl->SetText(_FindValidFileName(
311 				fNameControl->Text()).String());
312 
313 			_UpdateFilenameSelection();
314 			break;
315 		}
316 
317 		case kChooseLocation:
318 		{
319 			if (!fOutputPathPanel) {
320 				BMessenger target(this);
321 				fOutputPathPanel = new BFilePanel(B_OPEN_PANEL, &target, NULL,
322 					B_DIRECTORY_NODE, false, NULL, new DirectoryRefFilter());
323 				fOutputPathPanel->Window()->SetTitle(
324 					B_TRANSLATE("Choose folder"));
325 				fOutputPathPanel->SetButtonLabel(B_DEFAULT_BUTTON,
326 					B_TRANSLATE("Select"));
327 				fOutputPathPanel->SetButtonLabel(B_CANCEL_BUTTON,
328 					B_TRANSLATE("Cancel"));
329 			}
330 			fOutputPathPanel->Show();
331 			break;
332 		}
333 
334 		case B_REFS_RECEIVED:
335 		{
336 			entry_ref ref;
337 			if (message->FindRef("refs", &ref) == B_OK) {
338 				BEntry entry(&ref, true);
339 				if (entry.InitCheck() == B_OK) {
340 					BPath path;
341 					// Could return B_BUSY
342 					if (entry.GetPath(&path) == B_OK) {
343 						BString label(path.Path());
344 						_AddItemToPathMenu(path.Path(), label, 3, true);
345 					}
346 				}
347 			}
348 			break;
349 		}
350 
351 		case B_CANCEL:
352 			fLastSelectedPath->SetMarked(true);
353 			break;
354 
355 		case kSaveScreenshot:
356 			if (_SaveScreenshot() == B_OK)
357 				be_app->PostMessage(B_QUIT_REQUESTED);
358 			break;
359 
360 		case B_COPY:
361 			fUtility.CopyToClipboard(fScreenshot);
362 			break;
363 
364 		case kSettings:
365 			_ShowSettings(true);
366 			break;
367 
368 		case kCloseTranslatorSettings:
369 			fSettingsWindow->Lock();
370 			fSettingsWindow->Quit();
371 			fSettingsWindow = NULL;
372 			break;
373 
374 		default:
375 			BWindow::MessageReceived(message);
376 			break;
377 	}
378 }
379 
380 
381 void
382 ScreenshotWindow::Quit()
383 {
384 	if (fUtility.wholeScreen != NULL)
385 		_WriteSettings();
386 	BWindow::Quit();
387 }
388 
389 
390 void
391 ScreenshotWindow::_NewScreenshot(bool silent, bool clipboard)
392 {
393 	BMessage message(B_ARGV_RECEIVED);
394 	int32 argc = 3;
395 	BString delay;
396 	delay << fDelay / 1000000;
397 	message.AddString("argv", "screenshot");
398 	message.AddString("argv", "--delay");
399 	message.AddString("argv", delay);
400 
401 	if (silent || clipboard) {
402 		if (silent) {
403 			argc++;
404 			message.AddString("argv", "--silent");
405 		}
406 		if (clipboard) {
407 			argc++;
408 			message.AddString("argv", "--clipboard");
409 		}
410 		if (fIncludeBorder) {
411 			argc++;
412 			message.AddString("argv", "--border");
413 		}
414 		if (fIncludeCursor) {
415 			argc++;
416 			message.AddString("argv", "--mouse-pointer");
417 		}
418 		if (fGrabActiveWindow) {
419 			argc++;
420 			message.AddString("argv", "--window");
421 		}
422 		if (fLastSelectedPath) {
423 			BPath path(_GetDirectory());
424 			if (path != NULL) {
425 				path.Append(fNameControl->Text());
426 				argc++;
427 				message.AddString("argv", path.Path());
428 			}
429 		}
430 	}
431 	message.AddInt32("argc", argc);
432 
433 	be_roster->Launch("application/x-vnd.haiku-screenshot-cli", &message);
434 	be_app->PostMessage(B_QUIT_REQUESTED);
435 }
436 
437 
438 void
439 ScreenshotWindow::_UpdatePreviewPanel()
440 {
441 	float height = 150.0f;
442 
443 	float width = (fScreenshot->Bounds().Width()
444 		/ fScreenshot->Bounds().Height()) * height;
445 
446 	// to prevent a preview way too wide
447 	if (width > 400.0f) {
448 		width = 400.0f;
449 		height = (fScreenshot->Bounds().Height()
450 			/ fScreenshot->Bounds().Width()) * width;
451 	}
452 
453 	fPreview->SetExplicitMinSize(BSize(width, height));
454 
455 	fPreview->ClearViewBitmap();
456 	fPreview->SetViewBitmap(fScreenshot, fScreenshot->Bounds(),
457 		fPreview->Bounds(), B_FOLLOW_ALL, B_FILTER_BITMAP_BILINEAR);
458 }
459 
460 
461 void
462 ScreenshotWindow::_DisallowChar(BTextView* textView)
463 {
464 	for (uint32 i = 0; i < '0'; ++i)
465 		textView->DisallowChar(i);
466 
467 	for (uint32 i = '9' + 1; i < 255; ++i)
468 		textView->DisallowChar(i);
469 }
470 
471 
472 void
473 ScreenshotWindow::_SetupOutputPathMenu(const BMessage& settings)
474 {
475 	fOutputPathMenu->SetLabelFromMarked(true);
476 
477 	BString lastSelectedPath;
478 	settings.FindString("lastSelectedPath", &lastSelectedPath);
479 
480 	BPath path;
481 	find_directory(B_USER_DIRECTORY, &path);
482 
483 	BString label(B_TRANSLATE("Home folder"));
484 	_AddItemToPathMenu(path.Path(), label, 0,
485 		(path.Path() == lastSelectedPath));
486 
487 	path.Append("Desktop");
488 	label.SetTo(B_TRANSLATE("Desktop"));
489 	_AddItemToPathMenu(path.Path(), label, 0, (
490 		path.Path() == lastSelectedPath));
491 
492 	find_directory(B_BEOS_ETC_DIRECTORY, &path);
493 	path.Append("artwork");
494 
495 	label.SetTo(B_TRANSLATE("Artwork folder"));
496 	_AddItemToPathMenu(path.Path(), label, 2,
497 		(path.Path() == lastSelectedPath));
498 
499 	int32 i = 0;
500 	BString userPath;
501 	while (settings.FindString("path", ++i, &userPath) == B_OK) {
502 		_AddItemToPathMenu(userPath.String(), userPath, 3,
503 			(userPath == lastSelectedPath));
504 	}
505 
506 	if (!fLastSelectedPath) {
507 		if (settings.IsEmpty() || lastSelectedPath.Length() == 0) {
508 			fOutputPathMenu->ItemAt(1)->SetMarked(true);
509 			fLastSelectedPath = fOutputPathMenu->ItemAt(1);
510 		} else
511 			_AddItemToPathMenu(lastSelectedPath.String(), lastSelectedPath, 3,
512 				true);
513 	}
514 
515 	fOutputPathMenu->AddItem(new BSeparatorItem());
516 	fOutputPathMenu->AddItem(new BMenuItem(B_TRANSLATE("Choose folder..."),
517 		new BMessage(kChooseLocation)));
518 }
519 
520 
521 void
522 ScreenshotWindow::_AddItemToPathMenu(const char* path, BString& label,
523 	int32 index, bool markItem)
524 {
525 	// Make sure that item won't be a duplicate of an existing one
526 	for (int32 i = fOutputPathMenu->CountItems() - 1; i >= 0; --i) {
527 		BMenuItem* menuItem = fOutputPathMenu->ItemAt(i);
528 		BMessage* message = menuItem->Message();
529 		const char* pathFromItem;
530 		if (message != NULL && message->what == kLocationChanged
531 			&& message->FindString("path", &pathFromItem) == B_OK
532 			&& !strcmp(path, pathFromItem)) {
533 
534 			if (markItem) {
535 				fOutputPathMenu->ItemAt(i)->SetMarked(true);
536 				fLastSelectedPath = fOutputPathMenu->ItemAt(i);
537 			}
538 			return;
539 		}
540 	}
541 
542 	BMessage* message = new BMessage(kLocationChanged);
543 	message->AddString("path", path);
544 
545 	fOutputPathMenu->TruncateString(&label, B_TRUNCATE_MIDDLE,
546 		fOutputPathMenu->StringWidth("SomethingLongHere"));
547 
548 	fOutputPathMenu->AddItem(new BMenuItem(label.String(), message), index);
549 
550 	if (markItem) {
551 		fOutputPathMenu->ItemAt(index)->SetMarked(true);
552 		fLastSelectedPath = fOutputPathMenu->ItemAt(index);
553 	}
554 }
555 
556 
557 void
558 ScreenshotWindow::_UpdateFilenameSelection()
559 {
560 	fNameControl->MakeFocus(true);
561 	fNameControl->TextView()->Select(0,	fNameControl->TextView()->TextLength()
562 		- fExtension.Length());
563 
564 	fNameControl->TextView()->ScrollToSelection();
565 }
566 
567 
568 void
569 ScreenshotWindow::_SetupTranslatorMenu()
570 {
571 	BMessage message(kImageFormat);
572 	fTranslatorMenu = new BMenu("Please select");
573 	BTranslationUtils::AddTranslationItems(fTranslatorMenu, B_TRANSLATOR_BITMAP,
574 		&message, NULL, NULL, NULL);
575 
576 	fTranslatorMenu->SetLabelFromMarked(true);
577 
578 	if (fTranslatorMenu->ItemAt(0))
579 		fTranslatorMenu->ItemAt(0)->SetMarked(true);
580 
581 	int32 imageFileType;
582 	for (int32 i = 0; i < fTranslatorMenu->CountItems(); ++i) {
583 		BMenuItem* item = fTranslatorMenu->ItemAt(i);
584 		if (item && item->Message()) {
585 			item->Message()->FindInt32("be:type", &imageFileType);
586 			if (fImageFileType == imageFileType) {
587 				item->SetMarked(true);
588 				MessageReceived(item->Message());
589 				break;
590 			}
591 		}
592 	}
593 }
594 
595 
596 status_t
597 ScreenshotWindow::_SaveScreenshot()
598 {
599 	if (!fScreenshot || !fLastSelectedPath)
600 		return B_ERROR;
601 
602 	BPath path(_GetDirectory());
603 
604 	if (path == NULL)
605 		return B_ERROR;
606 
607 	path.Append(fNameControl->Text());
608 
609 	BEntry entry;
610 	entry.SetTo(path.Path());
611 
612 	if (entry.Exists()) {
613 		BAlert* overwriteAlert = new BAlert(
614 			B_TRANSLATE("overwrite"),
615 			B_TRANSLATE("This file already exists.\n Are you sure would "
616 				"you like to overwrite it?"),
617 			B_TRANSLATE("Cancel"),
618 			B_TRANSLATE("Overwrite"),
619 			NULL, B_WIDTH_AS_USUAL, B_EVEN_SPACING, B_WARNING_ALERT);
620 
621 			overwriteAlert->SetShortcut(0, B_ESCAPE);
622 
623 			if (overwriteAlert->Go() == 0)
624 				return B_CANCELED;
625 	}
626 
627 	return fUtility.Save(&fScreenshot, path.Path(), fImageFileType);
628 }
629 
630 
631 void
632 ScreenshotWindow::_ShowSettings(bool activate)
633 {
634 	if (!fSettingsWindow && !activate)
635 		return;
636 
637 	// Find a translator
638 	translator_id translator = 0;
639 	BTranslatorRoster *roster = BTranslatorRoster::Default();
640 	translator_id* translators = NULL;
641 	int32 numTranslators = 0;
642 	if (roster->GetAllTranslators(&translators, &numTranslators) != B_OK)
643 		return;
644 	bool foundTranslator = false;
645 	for (int32 x = 0; x < numTranslators; x++) {
646 		const translation_format* formats = NULL;
647 		int32 numFormats;
648 		if (roster->GetOutputFormats(translators[x], &formats,
649 			&numFormats) == B_OK) {
650 			for (int32 i = 0; i < numFormats; ++i) {
651 				if (formats[i].type == static_cast<uint32>(fImageFileType)) {
652 					translator = translators[x];
653 					foundTranslator = true;
654 					break;
655 				}
656 			}
657 		}
658 		if (foundTranslator)
659 			break;
660 	}
661 	delete [] translators;
662 	if (!foundTranslator)
663 		return;
664 
665 	// Create a window with a configuration view
666 	BView *view;
667 	BRect rect(0, 0, 239, 239);
668 
669 	status_t err = roster->MakeConfigurationView(translator, NULL, &view,
670 		&rect);
671 	if (err < B_OK || view == NULL) {
672 		BAlert *alert = new BAlert(NULL, strerror(err), "OK");
673 		alert->Go();
674 	} else {
675 		if (fSettingsWindow) {
676 			fSettingsWindow->RemoveChild(fSettingsWindow->ChildAt(0));
677 			float width, height;
678 			view->GetPreferredSize(&width, &height);
679 			fSettingsWindow->ResizeTo(width, height);
680 			fSettingsWindow->AddChild(view);
681 			if (activate)
682 				fSettingsWindow->Activate();
683 		} else {
684 			fSettingsWindow = new BWindow(rect,
685 				B_TRANSLATE("Translator Settings"),
686 				B_TITLED_WINDOW_LOOK, B_NORMAL_WINDOW_FEEL,
687 				B_NOT_ZOOMABLE | B_NOT_RESIZABLE);
688 			fSettingsWindow->AddFilter(new QuitMessageFilter(this));
689 			fSettingsWindow->AddChild(view);
690 			fSettingsWindow->CenterOnScreen();
691 			fSettingsWindow->Show();
692 		}
693 	}
694 }
695 
696 
697 BString
698 ScreenshotWindow::_FindValidFileName(const char* name)
699 {
700 	BString baseName(name);
701 
702 	if (fExtension.Compare(""))
703 		baseName.RemoveLast(fExtension);
704 
705 	if (!fLastSelectedPath)
706 		return baseName;
707 
708 	BPath orgPath(_GetDirectory());
709 	if (orgPath == NULL)
710 		return baseName;
711 
712 	fExtension = BString(fUtility.GetFileNameExtension(fImageFileType));
713 
714 	BPath outputPath = orgPath;
715 	BString fileName;
716 	fileName << baseName << fExtension;
717 	outputPath.Append(fileName);
718 
719 	if (!BEntry(outputPath.Path()).Exists())
720 		return fileName;
721 
722 	if (baseName.FindFirst(B_TRANSLATE_NOCOLLECT(
723 			fUtility.sDefaultFileNameBase)) == 0)
724 		baseName.SetTo(fUtility.sDefaultFileNameBase);
725 
726 	BEntry entry;
727 	int32 index = 1;
728 
729 	do {
730 		fileName = "";
731 		fileName << baseName << index++ << fExtension;
732 		outputPath.SetTo(orgPath.Path());
733 		outputPath.Append(fileName);
734 		entry.SetTo(outputPath.Path());
735 	} while (entry.Exists());
736 
737 	return fileName;
738 }
739 
740 
741 BPath
742 ScreenshotWindow::_GetDirectory()
743 {
744 	BPath path;
745 
746 	BMessage* message = fLastSelectedPath->Message();
747 	const char* stringPath;
748 	if (message && message->FindString("path", &stringPath) == B_OK)
749 		path.SetTo(stringPath);
750 
751 	return path;
752 }
753 
754 
755 void
756 ScreenshotWindow::_ReadSettings()
757 {
758 	BMessage settings;
759 
760 	BPath settingsPath;
761 	if (find_directory(B_USER_SETTINGS_DIRECTORY, &settingsPath) != B_OK)
762 		return;
763 
764 	settingsPath.Append("Screenshot_settings");
765 
766 	BFile file(settingsPath.Path(), B_READ_ONLY);
767 	if (file.InitCheck() == B_OK)
768 		settings.Unflatten(&file);
769 
770 	if (settings.FindInt32("type", &fImageFileType) != B_OK)
771 		fImageFileType = B_PNG_FORMAT;
772 	settings.FindBool("includeBorder", &fIncludeBorder);
773 	settings.FindBool("includeCursor", &fIncludeCursor);
774 	settings.FindBool("grabActiveWindow", &fGrabActiveWindow);
775 	settings.FindInt64("delay", &fDelay);
776 	settings.FindString("outputFilename", &fOutputFilename);
777 
778 	_SetupOutputPathMenu(settings);
779 }
780 
781 
782 void
783 ScreenshotWindow::_WriteSettings()
784 {
785 	if (fDelayControl)
786 		fDelay = (atoi(fDelayControl->Text()) * 1000000) + 50000;
787 
788 	BMessage settings;
789 
790 	settings.AddInt32("type", fImageFileType);
791 	settings.AddBool("includeBorder", fIncludeBorder);
792 	settings.AddBool("includeCursor", fIncludeCursor);
793 	settings.AddBool("grabActiveWindow", fGrabActiveWindow);
794 	settings.AddInt64("delay", fDelay);
795 	settings.AddString("outputFilename", fOutputFilename);
796 
797 	BString path;
798 	int32 count = fOutputPathMenu->CountItems();
799 	if (count > 5) {
800 		for (int32 i = count - 3; i > count - 8 && i > 2; --i) {
801 			BMenuItem* item = fOutputPathMenu->ItemAt(i);
802 			if (item) {
803 				BMessage* msg = item->Message();
804 				if (msg && msg->FindString("path", &path) == B_OK)
805 					settings.AddString("path", path.String());
806 			}
807 		}
808 	}
809 
810 	if (fLastSelectedPath) {
811 		BMessage* msg = fLastSelectedPath->Message();
812 		if (msg && msg->FindString("path", &path) == B_OK)
813 			settings.AddString("lastSelectedPath", path.String());
814 	}
815 
816 	BPath settingsPath;
817 	if (find_directory(B_USER_SETTINGS_DIRECTORY, &settingsPath) != B_OK)
818 		return;
819 	settingsPath.Append("Screenshot_settings");
820 
821 	BFile file(settingsPath.Path(), B_CREATE_FILE | B_ERASE_FILE
822 		| B_WRITE_ONLY);
823 	if (file.InitCheck() == B_OK) {
824 		ssize_t size;
825 		settings.Flatten(&file, &size);
826 	}
827 }
828