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Assure an active view when activating an item
[dolphin.git] / src / dolphinviewcontainer.cpp
1 /***************************************************************************
2 * Copyright (C) 2007 by Peter Penz <peter.penz19@gmail.com> *
3 * *
4 * This program is free software; you can redistribute it and/or modify *
5 * it under the terms of the GNU General Public License as published by *
6 * the Free Software Foundation; either version 2 of the License, or *
7 * (at your option) any later version. *
8 * *
9 * This program is distributed in the hope that it will be useful, *
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
12 * GNU General Public License for more details. *
13 * *
14 * You should have received a copy of the GNU General Public License *
15 * along with this program; if not, write to the *
16 * Free Software Foundation, Inc., *
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
18 ***************************************************************************/
19
20 #include "dolphinviewcontainer.h"
21 #include <KProtocolManager>
22
23 #include <QApplication>
24 #include <QKeyEvent>
25 #include <QItemSelection>
26 #include <QBoxLayout>
27 #include <QTimer>
28 #include <QScrollBar>
29
30 #include <KDesktopFile>
31 #include <KFileItemDelegate>
32 #include <KFilePlacesModel>
33 #include <KLocale>
34 #include <KIconEffect>
35 #include <KIO/NetAccess>
36 #include <KIO/PreviewJob>
37 #include <KNewFileMenu>
38 #include <konqmimedata.h>
39 #include <konq_operations.h>
40 #include <KShell>
41 #include <KUrl>
42 #include <KUrlComboBox>
43 #include <KUrlNavigator>
44 #include <KRun>
45
46 #include "dolphin_generalsettings.h"
47 #include "dolphinmainwindow.h"
48 #include "filterbar/filterbar.h"
49 #include "search/dolphinsearchbox.h"
50 #include "statusbar/dolphinstatusbar.h"
51 #include "views/dolphinplacesmodel.h"
52 #include "views/draganddrophelper.h"
53 #include "views/viewmodecontroller.h"
54 #include "views/viewproperties.h"
55
56 DolphinViewContainer::DolphinViewContainer(const KUrl& url, QWidget* parent) :
57 QWidget(parent),
58 m_topLayout(0),
59 m_urlNavigator(0),
60 m_searchBox(0),
61 m_view(0),
62 m_filterBar(0),
63 m_statusBar(0),
64 m_statusBarTimer(0),
65 m_statusBarTimestamp()
66 {
67 hide();
68
69 m_topLayout = new QVBoxLayout(this);
70 m_topLayout->setSpacing(0);
71 m_topLayout->setMargin(0);
72
73 m_urlNavigator = new KUrlNavigator(DolphinPlacesModel::instance(), url, this);
74 connect(m_urlNavigator, SIGNAL(urlsDropped(KUrl,QDropEvent*)),
75 this, SLOT(dropUrls(KUrl,QDropEvent*)));
76 connect(m_urlNavigator, SIGNAL(activated()),
77 this, SLOT(activate()));
78 connect(m_urlNavigator->editor(), SIGNAL(completionModeChanged(KGlobalSettings::Completion)),
79 this, SLOT(saveUrlCompletionMode(KGlobalSettings::Completion)));
80
81 const GeneralSettings* settings = GeneralSettings::self();
82 m_urlNavigator->setUrlEditable(settings->editableUrl());
83 m_urlNavigator->setShowFullPath(settings->showFullPath());
84 m_urlNavigator->setHomeUrl(KUrl(settings->homeUrl()));
85 KUrlComboBox* editor = m_urlNavigator->editor();
86 editor->setCompletionMode(KGlobalSettings::Completion(settings->urlCompletionMode()));
87
88 m_searchBox = new DolphinSearchBox(this);
89 m_searchBox->hide();
90 connect(m_searchBox, SIGNAL(closeRequest()), this, SLOT(closeSearchBox()));
91 connect(m_searchBox, SIGNAL(search(QString)), this, SLOT(startSearching(QString)));
92 connect(m_searchBox, SIGNAL(returnPressed(QString)), this, SLOT(requestFocus()));
93
94 m_view = new DolphinView(url, this);
95 connect(m_view, SIGNAL(urlChanged(KUrl)), m_urlNavigator, SLOT(setUrl(KUrl)));
96 connect(m_view, SIGNAL(writeStateChanged(bool)), this, SIGNAL(writeStateChanged(bool)));
97 connect(m_view, SIGNAL(requestItemInfo(KFileItem)), this, SLOT(showItemInfo(KFileItem)));
98 connect(m_view, SIGNAL(errorMessage(QString)), this, SLOT(showErrorMessage(QString)));
99 connect(m_view, SIGNAL(infoMessage(QString)), this, SLOT(showInfoMessage(QString)));
100 connect(m_view, SIGNAL(itemActivated(KFileItem)), this, SLOT(slotItemActivated(KFileItem)));
101 connect(m_view, SIGNAL(redirection(KUrl,KUrl)), this, SLOT(redirect(KUrl,KUrl)));
102 connect(m_view, SIGNAL(startedPathLoading(KUrl)), this, SLOT(slotStartedPathLoading()));
103 connect(m_view, SIGNAL(finishedPathLoading(KUrl)), this, SLOT(slotFinishedPathLoading()));
104 connect(m_view, SIGNAL(itemCountChanged()), this, SLOT(delayedStatusBarUpdate()));
105 connect(m_view, SIGNAL(pathLoadingProgress(int)), this, SLOT(updateProgress(int)));
106 connect(m_view, SIGNAL(infoMessage(QString)), this, SLOT(showInfoMessage(QString)));
107 connect(m_view, SIGNAL(errorMessage(QString)), this, SLOT(showErrorMessage(QString)));
108 connect(m_view, SIGNAL(urlIsFileError(KUrl)), this, SLOT(openFile(KUrl)));
109 connect(m_view, SIGNAL(selectionChanged(KFileItemList)), this, SLOT(delayedStatusBarUpdate()));
110 connect(m_view, SIGNAL(operationCompletedMessage(QString)), this, SLOT(showOperationCompletedMessage(QString)));
111 connect(m_view, SIGNAL(urlAboutToBeChanged(KUrl)), this, SLOT(slotViewUrlAboutToBeChanged(KUrl)));
112
113 connect(m_urlNavigator, SIGNAL(urlAboutToBeChanged(KUrl)),
114 this, SLOT(slotUrlNavigatorLocationAboutToBeChanged(KUrl)));
115 connect(m_urlNavigator, SIGNAL(urlChanged(KUrl)),
116 this, SLOT(slotUrlNavigatorLocationChanged(KUrl)));
117 connect(m_urlNavigator, SIGNAL(historyChanged()),
118 this, SLOT(slotHistoryChanged()));
119
120 // initialize status bar
121 m_statusBar = new DolphinStatusBar(this, m_view);
122 connect(m_statusBar, SIGNAL(stopPressed()), this, SLOT(stopLoading()));
123
124 m_statusBarTimer = new QTimer(this);
125 m_statusBarTimer->setSingleShot(true);
126 m_statusBarTimer->setInterval(300);
127 connect(m_statusBarTimer, SIGNAL(timeout()),
128 this, SLOT(updateStatusBar()));
129
130 KIO::FileUndoManager* undoManager = KIO::FileUndoManager::self();
131 connect(undoManager, SIGNAL(jobRecordingFinished(CommandType)),
132 this, SLOT(delayedStatusBarUpdate()));
133
134 // initialize filter bar
135 m_filterBar = new FilterBar(this);
136 m_filterBar->setVisible(settings->filterBar());
137 connect(m_filterBar, SIGNAL(filterChanged(QString)),
138 this, SLOT(setNameFilter(QString)));
139 connect(m_filterBar, SIGNAL(closeRequest()),
140 this, SLOT(closeFilterBar()));
141 connect(m_view, SIGNAL(urlChanged(KUrl)),
142 m_filterBar, SLOT(clear()));
143
144 m_topLayout->addWidget(m_urlNavigator);
145 m_topLayout->addWidget(m_searchBox);
146 m_topLayout->addWidget(m_view);
147 m_topLayout->addWidget(m_filterBar);
148 m_topLayout->addWidget(m_statusBar);
149
150 setSearchModeEnabled(isSearchUrl(url));
151 }
152
153 DolphinViewContainer::~DolphinViewContainer()
154 {
155 }
156
157 KUrl DolphinViewContainer::url() const
158 {
159 return m_view->url();
160 }
161
162 void DolphinViewContainer::setActive(bool active)
163 {
164 m_urlNavigator->setActive(active);
165 m_view->setActive(active);
166 }
167
168 bool DolphinViewContainer::isActive() const
169 {
170 Q_ASSERT(m_view->isActive() == m_urlNavigator->isActive());
171 return m_view->isActive();
172 }
173
174 const DolphinStatusBar* DolphinViewContainer::statusBar() const
175 {
176 return m_statusBar;
177 }
178
179 DolphinStatusBar* DolphinViewContainer::statusBar()
180 {
181 return m_statusBar;
182 }
183
184 const KUrlNavigator* DolphinViewContainer::urlNavigator() const
185 {
186 return m_urlNavigator;
187 }
188
189 KUrlNavigator* DolphinViewContainer::urlNavigator()
190 {
191 return m_urlNavigator;
192 }
193
194 const DolphinView* DolphinViewContainer::view() const
195 {
196 return m_view;
197 }
198
199 DolphinView* DolphinViewContainer::view()
200 {
201 return m_view;
202 }
203
204 const DolphinSearchBox* DolphinViewContainer::searchBox() const
205 {
206 return m_searchBox;
207 }
208
209 DolphinSearchBox* DolphinViewContainer::searchBox()
210 {
211 return m_searchBox;
212 }
213
214 void DolphinViewContainer::refresh()
215 {
216 if (GeneralSettings::modifiedStartupSettings()) {
217 // The startup settings should only get applied if they have been
218 // modified by the user. Otherwise keep the (possibly) different current
219 // settings of the URL navigator and the filterbar.
220 m_urlNavigator->setUrlEditable(GeneralSettings::editableUrl());
221 m_urlNavigator->setShowFullPath(GeneralSettings::showFullPath());
222 setFilterBarVisible(GeneralSettings::filterBar());
223 }
224
225 m_view->refresh();
226 m_statusBar->refresh();
227 }
228
229 bool DolphinViewContainer::isFilterBarVisible() const
230 {
231 return m_filterBar->isVisible();
232 }
233
234 void DolphinViewContainer::setSearchModeEnabled(bool enabled)
235 {
236 if (enabled == isSearchModeEnabled()) {
237 if (enabled && !m_searchBox->hasFocus()) {
238 m_searchBox->setFocus();
239 m_searchBox->selectAll();
240 }
241 return;
242 }
243
244 m_searchBox->setVisible(enabled);
245 m_urlNavigator->setVisible(!enabled);
246
247 if (enabled) {
248 KUrl url = m_urlNavigator->locationUrl();
249 m_searchBox->setText(QString());
250 m_searchBox->setReadOnly(isSearchUrl(url), url);
251
252 // Remember the most recent non-search URL as search path
253 // of the search-box, so that it can be restored
254 // when switching back to the URL navigator.
255 int index = m_urlNavigator->historyIndex();
256 const int historySize = m_urlNavigator->historySize();
257 while (isSearchUrl(url) && (index < historySize)) {
258 ++index;
259 url = m_urlNavigator->locationUrl(index);
260 }
261
262 if (!isSearchUrl(url)) {
263 m_searchBox->setSearchPath(url);
264 }
265 } else {
266 // Restore the URL for the URL navigator. If Dolphin has been
267 // started with a search-URL, the home URL is used as fallback.
268 const KUrl url = m_searchBox->searchPath();
269 if (url.isValid() && !url.isEmpty()) {
270 if (isSearchUrl(url)) {
271 m_urlNavigator->goHome();
272 } else {
273 m_urlNavigator->setLocationUrl(url);
274 }
275 }
276 }
277
278 emit searchModeChanged(enabled);
279 }
280
281 bool DolphinViewContainer::isSearchModeEnabled() const
282 {
283 return m_searchBox->isVisible();
284 }
285
286 void DolphinViewContainer::setUrl(const KUrl& newUrl)
287 {
288 if (newUrl != m_urlNavigator->locationUrl()) {
289 m_urlNavigator->setLocationUrl(newUrl);
290 }
291 }
292
293 void DolphinViewContainer::setFilterBarVisible(bool visible)
294 {
295 Q_ASSERT(m_filterBar);
296 if (visible) {
297 m_filterBar->show();
298 m_filterBar->setFocus();
299 m_filterBar->selectAll();
300 } else {
301 closeFilterBar();
302 }
303 }
304
305 void DolphinViewContainer::delayedStatusBarUpdate()
306 {
307 if (m_statusBarTimer->isActive() && (m_statusBarTimestamp.elapsed() > 2000)) {
308 // No update of the statusbar has been done during the last 2 seconds,
309 // although an update has been requested. Trigger an immediate update.
310 m_statusBarTimer->stop();
311 updateStatusBar();
312 } else {
313 // Invoke updateStatusBar() with a small delay. This assures that
314 // when a lot of delayedStatusBarUpdates() are done in a short time,
315 // no bottleneck is given.
316 m_statusBarTimer->start();
317 }
318 }
319
320 void DolphinViewContainer::updateStatusBar()
321 {
322 m_statusBarTimestamp.start();
323
324 const QString newMessage = m_view->statusBarText();
325 m_statusBar->setDefaultText(newMessage);
326
327 // We don't want to override errors. Other messages are only protected by
328 // the Statusbar itself depending on timings (see DolphinStatusBar::setMessage).
329 if (m_statusBar->type() != DolphinStatusBar::Error) {
330 m_statusBar->setMessage(newMessage, DolphinStatusBar::Default);
331 }
332 }
333
334 void DolphinViewContainer::updateProgress(int percent)
335 {
336 if (m_statusBar->progressText().isEmpty()) {
337 m_statusBar->setProgressText(i18nc("@info:progress", "Loading folder..."));
338 }
339 m_statusBar->setProgress(percent);
340 }
341
342 void DolphinViewContainer::slotStartedPathLoading()
343 {
344 if (isSearchUrl(url())) {
345 // Search KIO-slaves usually don't provide any progress information. Give
346 // a hint to the user that a searching is done:
347 updateStatusBar();
348 m_statusBar->setProgressText(i18nc("@info", "Searching..."));
349 m_statusBar->setProgress(-1);
350 } else {
351 // Trigger an undetermined progress indication. The progress
352 // information in percent will be triggered by the percent() signal
353 // of the directory lister later.
354 updateProgress(-1);
355 }
356 }
357
358 void DolphinViewContainer::slotFinishedPathLoading()
359 {
360 if (!m_statusBar->progressText().isEmpty()) {
361 m_statusBar->setProgressText(QString());
362 m_statusBar->setProgress(100);
363 }
364
365 if (isSearchUrl(url()) && m_view->items().isEmpty()) {
366 // The dir lister has been completed on a Nepomuk-URI and no items have been found. Instead
367 // of showing the default status bar information ("0 items") a more helpful information is given:
368 m_statusBar->setMessage(i18nc("@info:status", "No items found."), DolphinStatusBar::Information);
369 } else {
370 updateStatusBar();
371 }
372 }
373
374 void DolphinViewContainer::slotItemActivated(const KFileItem& item)
375 {
376 // It is possible to activate items on inactive views by
377 // drag & drop operations. Assure that activating an item always
378 // results in an active view.
379 m_view->setActive(true);
380
381 KUrl url = item.targetUrl();
382
383 if (item.isDir()) {
384 m_view->setUrl(url);
385 return;
386 }
387
388 if (GeneralSettings::browseThroughArchives() && item.isFile() && url.isLocalFile()) {
389 // Generic mechanism for redirecting to tar:/<path>/ when clicking on a tar file,
390 // zip:/<path>/ when clicking on a zip file, etc.
391 // The .protocol file specifies the mimetype that the kioslave handles.
392 // Note that we don't use mimetype inheritance since we don't want to
393 // open OpenDocument files as zip folders...
394 const QString protocol = KProtocolManager::protocolForArchiveMimetype(item.mimetype());
395 if (!protocol.isEmpty()) {
396 url.setProtocol(protocol);
397 m_view->setUrl(url);
398 return;
399 }
400 }
401
402 if (item.mimetype() == QLatin1String("application/x-desktop")) {
403 // Redirect to the URL in Type=Link desktop files
404 KDesktopFile desktopFile(url.toLocalFile());
405 if (desktopFile.hasLinkType()) {
406 url = desktopFile.readUrl();
407 m_view->setUrl(url);
408 return;
409 }
410 }
411
412 item.run();
413 }
414
415 void DolphinViewContainer::openFile(const KUrl& url)
416 {
417 const KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
418 slotItemActivated(item);
419 }
420
421 void DolphinViewContainer::showItemInfo(const KFileItem& item)
422 {
423 if (item.isNull()) {
424 // Only clear the status bar if unimportant messages are shown.
425 // This prevents that information- or error-messages get hidden
426 // by moving the mouse above the viewport or when closing the
427 // context menu.
428 if (m_statusBar->type() == DolphinStatusBar::Default) {
429 m_statusBar->clear();
430 }
431 } else {
432 QString message;
433 if (item.isDir()) {
434 message = item.text();
435 } else {
436 message = i18nc("@info:status filename (type)", "%1 (%2)", item.text(), item.mimeComment());
437 }
438 m_statusBar->setMessage(message, DolphinStatusBar::Default);
439 }
440 }
441
442 void DolphinViewContainer::showInfoMessage(const QString& msg)
443 {
444 m_statusBar->setMessage(msg, DolphinStatusBar::Information);
445 }
446
447 void DolphinViewContainer::showErrorMessage(const QString& msg)
448 {
449 m_statusBar->setMessage(msg, DolphinStatusBar::Error);
450 }
451
452 void DolphinViewContainer::showOperationCompletedMessage(const QString& msg)
453 {
454 m_statusBar->setMessage(msg, DolphinStatusBar::OperationCompleted);
455 }
456
457 void DolphinViewContainer::closeFilterBar()
458 {
459 m_filterBar->hide();
460 m_filterBar->clear();
461 m_view->setFocus();
462 emit showFilterBarChanged(false);
463 }
464
465 void DolphinViewContainer::setNameFilter(const QString& nameFilter)
466 {
467 m_view->setNameFilter(nameFilter);
468 delayedStatusBarUpdate();
469 }
470
471 void DolphinViewContainer::activate()
472 {
473 setActive(true);
474 }
475
476 void DolphinViewContainer::slotViewUrlAboutToBeChanged(const KUrl& url)
477 {
478 // URL changes of the view can happen in two ways:
479 // 1. The URL navigator gets changed and will trigger the view to update its URL
480 // 2. The URL of the view gets changed and will trigger the URL navigator to update
481 // its URL (e.g. by clicking on an item)
482 // In this scope the view-state may only get saved in case 2:
483 if (url != m_urlNavigator->locationUrl()) {
484 saveViewState();
485 }
486 }
487
488 void DolphinViewContainer::slotUrlNavigatorLocationAboutToBeChanged(const KUrl& url)
489 {
490 // URL changes of the view can happen in two ways:
491 // 1. The URL navigator gets changed and will trigger the view to update its URL
492 // 2. The URL of the view gets changed and will trigger the URL navigator to update
493 // its URL (e.g. by clicking on an item)
494 // In this scope the view-state may only get saved in case 1:
495 if (url != m_view->url()) {
496 saveViewState();
497 }
498 }
499
500 void DolphinViewContainer::slotUrlNavigatorLocationChanged(const KUrl& url)
501 {
502 if (KProtocolManager::supportsListing(url)) {
503 setSearchModeEnabled(isSearchUrl(url));
504 m_view->setUrl(url);
505
506 if (isActive() && !isSearchUrl(url)) {
507 // When an URL has been entered, the view should get the focus.
508 // The focus must be requested asynchronously, as changing the URL might create
509 // a new view widget.
510 QTimer::singleShot(0, this, SLOT(requestFocus()));
511 }
512 } else if (KProtocolManager::isSourceProtocol(url)) {
513 QString app = "konqueror";
514 if (url.protocol().startsWith(QLatin1String("http"))) {
515 showErrorMessage(i18nc("@info:status",
516 "Dolphin does not support web pages, the web browser has been launched"));
517 const KConfigGroup config(KSharedConfig::openConfig("kdeglobals"), "General");
518 const QString browser = config.readEntry("BrowserApplication");
519 if (!browser.isEmpty()) {
520 app = browser;
521 if (app.startsWith('!')) {
522 // a literal command has been configured, remove the '!' prefix
523 app = app.mid(1);
524 }
525 }
526 } else {
527 showErrorMessage(i18nc("@info:status",
528 "Protocol not supported by Dolphin, Konqueror has been launched"));
529 }
530
531 const QString secureUrl = KShell::quoteArg(url.pathOrUrl());
532 const QString command = app + ' ' + secureUrl;
533 KRun::runCommand(command, app, app, this);
534 } else {
535 showErrorMessage(i18nc("@info:status", "Invalid protocol"));
536 }
537 }
538
539 void DolphinViewContainer::dropUrls(const KUrl& destination, QDropEvent* event)
540 {
541 const KFileItem destItem(KFileItem::Unknown, KFileItem::Unknown, destination);
542 DragAndDropHelper::dropUrls(destItem, event);
543 }
544
545 void DolphinViewContainer::redirect(const KUrl& oldUrl, const KUrl& newUrl)
546 {
547 Q_UNUSED(oldUrl);
548 const bool block = m_urlNavigator->signalsBlocked();
549 m_urlNavigator->blockSignals(true);
550
551 // Assure that the location state is reset for redirection URLs. This
552 // allows to skip redirection URLs when going back or forward in the
553 // URL history.
554 m_urlNavigator->saveLocationState(QByteArray());
555 m_urlNavigator->setLocationUrl(newUrl);
556 setSearchModeEnabled(isSearchUrl(newUrl));
557
558 m_urlNavigator->blockSignals(block);
559 }
560
561 void DolphinViewContainer::requestFocus()
562 {
563 m_view->setFocus();
564 }
565
566 void DolphinViewContainer::saveUrlCompletionMode(KGlobalSettings::Completion completion)
567 {
568 GeneralSettings::setUrlCompletionMode(completion);
569 }
570
571 void DolphinViewContainer::slotHistoryChanged()
572 {
573 QByteArray locationState = m_urlNavigator->locationState();
574 if (!locationState.isEmpty()) {
575 QDataStream stream(&locationState, QIODevice::ReadOnly);
576 m_view->restoreState(stream);
577 }
578 }
579
580 void DolphinViewContainer::startSearching(const QString &text)
581 {
582 Q_UNUSED(text);
583 const KUrl url = m_searchBox->urlForSearching();
584 if (url.isValid() && !url.isEmpty()) {
585 m_urlNavigator->setLocationUrl(url);
586 }
587 }
588
589 void DolphinViewContainer::closeSearchBox()
590 {
591 setSearchModeEnabled(false);
592 }
593
594 void DolphinViewContainer::stopLoading()
595 {
596 m_view->stopLoading();
597 m_statusBar->setProgress(100);
598 }
599
600 bool DolphinViewContainer::isSearchUrl(const KUrl& url) const
601 {
602 const QString protocol = url.protocol();
603 return protocol.contains("search") || (protocol == QLatin1String("nepomuk"));
604 }
605
606 void DolphinViewContainer::saveViewState()
607 {
608 QByteArray locationState;
609 QDataStream stream(&locationState, QIODevice::WriteOnly);
610 m_view->saveState(stream);
611 m_urlNavigator->saveLocationState(locationState);
612 }
613
614 #include "dolphinviewcontainer.moc"