src/dolphintabwidget.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2014 Emmanuel Pescosta <emmanuelpescosta099@gmail.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-or-later
   5  */
   6
   7 #include "dolphintabwidget.h"
   8
   9 #include "dolphin_generalsettings.h"
  10 #include "dolphintabbar.h"
  11 #include "dolphinviewcontainer.h"
  12
  13 #include <KConfigGroup>
  14 #include <KShell>
  15 #include <kio/global.h>
  16 #include <KIO/CommandLauncherJob>
  17 #include <KAcceleratorManager>
  18
  19 #include <QApplication>
  20 #include <QDropEvent>
  21
  22 DolphinTabWidget::DolphinTabWidget(DolphinNavigatorsWidgetAction *navigatorsWidget, QWidget* parent) :
  23     QTabWidget(parent),
  24     m_lastViewedTab(nullptr),
  25     m_navigatorsWidget{navigatorsWidget}
  26 {
  27     KAcceleratorManager::setNoAccel(this);
  28
  29     connect(this, &DolphinTabWidget::tabCloseRequested,
  30             this, QOverload<int>::of(&DolphinTabWidget::closeTab));
  31     connect(this, &DolphinTabWidget::currentChanged,
  32             this, &DolphinTabWidget::currentTabChanged);
  33
  34     DolphinTabBar* tabBar = new DolphinTabBar(this);
  35     connect(tabBar, &DolphinTabBar::openNewActivatedTab,
  36             this, QOverload<int>::of(&DolphinTabWidget::openNewActivatedTab));
  37     connect(tabBar, &DolphinTabBar::tabDropEvent,
  38             this, &DolphinTabWidget::tabDropEvent);
  39     connect(tabBar, &DolphinTabBar::tabDetachRequested,
  40             this, &DolphinTabWidget::detachTab);
  41     tabBar->hide();
  42
  43     setTabBar(tabBar);
  44     setDocumentMode(true);
  45     setElideMode(Qt::ElideRight);
  46     setUsesScrollButtons(true);
  47 }
  48
  49 DolphinTabPage* DolphinTabWidget::currentTabPage() const
  50 {
  51     return tabPageAt(currentIndex());
  52 }
  53
  54 DolphinTabPage* DolphinTabWidget::nextTabPage() const
  55 {
  56     const int index = currentIndex() + 1;
  57     return tabPageAt(index < count() ? index : 0);
  58 }
  59
  60 DolphinTabPage* DolphinTabWidget::prevTabPage() const
  61 {
  62     const int index = currentIndex() - 1;
  63     return tabPageAt(index >= 0 ? index : (count() - 1));
  64 }
  65
  66 DolphinTabPage* DolphinTabWidget::tabPageAt(const int index) const
  67 {
  68     return static_cast<DolphinTabPage*>(widget(index));
  69 }
  70
  71 void DolphinTabWidget::saveProperties(KConfigGroup& group) const
  72 {
  73     const int tabCount = count();
  74     group.writeEntry("Tab Count", tabCount);
  75     group.writeEntry("Active Tab Index", currentIndex());
  76
  77     for (int i = 0; i < tabCount; ++i) {
  78         const DolphinTabPage* tabPage = tabPageAt(i);
  79         group.writeEntry("Tab Data " % QString::number(i), tabPage->saveState());
  80     }
  81 }
  82
  83 void DolphinTabWidget::readProperties(const KConfigGroup& group)
  84 {
  85     const int tabCount = group.readEntry("Tab Count", 0);
  86     for (int i = 0; i < tabCount; ++i) {
  87         if (i >= count()) {
  88             openNewActivatedTab();
  89         }
  90         if (group.hasKey("Tab Data " % QString::number(i))) {
  91             // Tab state created with Dolphin > 4.14.x
  92             const QByteArray state = group.readEntry("Tab Data " % QString::number(i), QByteArray());
  93             tabPageAt(i)->restoreState(state);
  94         } else {
  95             // Tab state created with Dolphin <= 4.14.x
  96             const QByteArray state = group.readEntry("Tab " % QString::number(i), QByteArray());
  97             tabPageAt(i)->restoreStateV1(state);
  98         }
  99     }
 100
 101     const int index = group.readEntry("Active Tab Index", 0);
 102     setCurrentIndex(index);
 103 }
 104
 105 void DolphinTabWidget::refreshViews()
 106 {
 107     // Left-elision is better when showing full paths, since you care most
 108     // about the current directory which is on the right
 109     if (GeneralSettings::showFullPathInTitlebar()) {
 110         setElideMode(Qt::ElideLeft);
 111     } else {
 112         setElideMode(Qt::ElideRight);
 113     }
 114
 115     const int tabCount = count();
 116     for (int i = 0; i < tabCount; ++i) {
 117         tabBar()->setTabText(i, tabName(tabPageAt(i)));
 118         tabPageAt(i)->refreshViews();
 119     }
 120 }
 121
 122 bool DolphinTabWidget::isUrlOpen(const QUrl &url) const
 123 {
 124     return indexByUrl(url).first >= 0;
 125 }
 126
 127 void DolphinTabWidget::openNewActivatedTab()
 128 {
 129     std::unique_ptr<DolphinUrlNavigator::VisualState> oldNavigatorState;
 130     if (currentTabPage()->primaryViewActive() || !m_navigatorsWidget->secondaryUrlNavigator()) {
 131         oldNavigatorState = m_navigatorsWidget->primaryUrlNavigator()->visualState();
 132     } else {
 133         oldNavigatorState = m_navigatorsWidget->secondaryUrlNavigator()->visualState();
 134     }
 135
 136     const DolphinViewContainer* oldActiveViewContainer = currentTabPage()->activeViewContainer();
 137     Q_ASSERT(oldActiveViewContainer);
 138
 139     openNewActivatedTab(oldActiveViewContainer->url());
 140
 141     DolphinViewContainer* newActiveViewContainer = currentTabPage()->activeViewContainer();
 142     Q_ASSERT(newActiveViewContainer);
 143
 144     // The URL navigator of the new tab should have the same editable state
 145     // as the current tab
 146     newActiveViewContainer->urlNavigator()->setVisualState(*oldNavigatorState.get());
 147
 148     // Always focus the new tab's view
 149     newActiveViewContainer->view()->setFocus();
 150 }
 151
 152 void DolphinTabWidget::openNewActivatedTab(const QUrl& primaryUrl, const QUrl& secondaryUrl)
 153 {
 154     openNewTab(primaryUrl, secondaryUrl);
 155     if (GeneralSettings::openNewTabAfterLastTab()) {
 156         setCurrentIndex(count() - 1);
 157     } else {
 158         setCurrentIndex(currentIndex() + 1);
 159     }
 160 }
 161
 162 void DolphinTabWidget::openNewTab(const QUrl& primaryUrl, const QUrl& secondaryUrl)
 163 {
 164     QWidget* focusWidget = QApplication::focusWidget();
 165
 166     DolphinTabPage* tabPage = new DolphinTabPage(primaryUrl, secondaryUrl, this);
 167     tabPage->setActive(false);
 168     connect(tabPage, &DolphinTabPage::activeViewChanged,
 169             this, &DolphinTabWidget::activeViewChanged);
 170     connect(tabPage, &DolphinTabPage::activeViewUrlChanged,
 171             this, &DolphinTabWidget::tabUrlChanged);
 172     int newTabIndex = -1;
 173     if (!GeneralSettings::openNewTabAfterLastTab()) {
 174         newTabIndex = currentIndex() + 1;
 175     }
 176     insertTab(newTabIndex, tabPage, QIcon() /* loaded in tabInserted */, tabName(tabPage));
 177
 178     if (focusWidget) {
 179         // The DolphinViewContainer grabbed the keyboard focus. As the tab is opened
 180         // in background, assure that the previous focused widget gets the focus back.
 181         focusWidget->setFocus();
 182     }
 183 }
 184
 185 void DolphinTabWidget::openDirectories(const QList<QUrl>& dirs, bool splitView)
 186 {
 187     Q_ASSERT(dirs.size() > 0);
 188
 189     QList<QUrl>::const_iterator it = dirs.constBegin();
 190     while (it != dirs.constEnd()) {
 191         const QUrl& primaryUrl = *(it++);
 192         const QPair<int, bool> indexInfo = indexByUrl(primaryUrl);
 193         const int index = indexInfo.first;
 194         const bool isInPrimaryView = indexInfo.second;
 195         if (index >= 0) {
 196             setCurrentIndex(index);
 197             const auto tabPage = tabPageAt(index);
 198             if (isInPrimaryView) {
 199                 tabPage->primaryViewContainer()->setActive(true);
 200             } else {
 201                 tabPage->secondaryViewContainer()->setActive(true);
 202             }
 203             // BUG: 417230
 204             // Required for updateViewState() call in openFiles() to work as expected
 205             // If there is a selection, updateViewState() calls are effectively a no-op
 206             tabPage->activeViewContainer()->view()->clearSelection();
 207             continue;
 208         }
 209         if (splitView && (it != dirs.constEnd())) {
 210             const QUrl& secondaryUrl = *(it++);
 211             openNewActivatedTab(primaryUrl, secondaryUrl);
 212         } else {
 213             openNewActivatedTab(primaryUrl);
 214         }
 215     }
 216 }
 217
 218 void DolphinTabWidget::openFiles(const QList<QUrl>& files, bool splitView)
 219 {
 220     Q_ASSERT(files.size() > 0);
 221
 222     // Get all distinct directories from 'files' and open a tab
 223     // for each directory. If the "split view" option is enabled, two
 224     // directories are shown inside one tab (see openDirectories()).
 225     QList<QUrl> dirs;
 226     for (const QUrl& url : files) {
 227         const QUrl dir(url.adjusted(QUrl::RemoveFilename));
 228         if (!dirs.contains(dir)) {
 229             dirs.append(dir);
 230         }
 231     }
 232
 233     const int oldTabCount = count();
 234     openDirectories(dirs, splitView);
 235     const int tabCount = count();
 236
 237     // Select the files. Although the files can be split between several
 238     // tabs, there is no need to split 'files' accordingly, as
 239     // the DolphinView will just ignore invalid selections.
 240     for (int i = 0; i < tabCount; ++i) {
 241         DolphinTabPage* tabPage = tabPageAt(i);
 242         tabPage->markUrlsAsSelected(files);
 243         tabPage->markUrlAsCurrent(files.first());
 244         if (i < oldTabCount) {
 245             // Force selection of file if directory was already open, BUG: 417230
 246             tabPage->activeViewContainer()->view()->updateViewState();
 247         }
 248     }
 249 }
 250
 251 void DolphinTabWidget::closeTab()
 252 {
 253     closeTab(currentIndex());
 254 }
 255
 256 void DolphinTabWidget::closeTab(const int index)
 257 {
 258     Q_ASSERT(index >= 0);
 259     Q_ASSERT(index < count());
 260
 261     if (count() < 2) {
 262         // Close Dolphin when closing the last tab.
 263         parentWidget()->close();
 264         return;
 265     }
 266
 267     DolphinTabPage* tabPage = tabPageAt(index);
 268     Q_EMIT rememberClosedTab(tabPage->activeViewContainer()->url(), tabPage->saveState());
 269
 270     removeTab(index);
 271     tabPage->deleteLater();
 272 }
 273
 274 void DolphinTabWidget::activateTab(const int index)
 275 {
 276     if (index < count()) {
 277         setCurrentIndex(index);
 278     }
 279 }
 280
 281 void DolphinTabWidget::activateLastTab()
 282 {
 283     setCurrentIndex(count() - 1);
 284 }
 285
 286 void DolphinTabWidget::activateNextTab()
 287 {
 288     const int index = currentIndex() + 1;
 289     setCurrentIndex(index < count() ? index : 0);
 290 }
 291
 292 void DolphinTabWidget::activatePrevTab()
 293 {
 294     const int index = currentIndex() - 1;
 295     setCurrentIndex(index >= 0 ? index : (count() - 1));
 296 }
 297
 298 void DolphinTabWidget::restoreClosedTab(const QByteArray& state)
 299 {
 300     openNewActivatedTab();
 301     currentTabPage()->restoreState(state);
 302 }
 303
 304 void DolphinTabWidget::copyToInactiveSplitView()
 305 {
 306     const DolphinTabPage* tabPage = tabPageAt(currentIndex());
 307     DolphinViewContainer* activeViewContainer = currentTabPage()->activeViewContainer();
 308     if (!tabPage->splitViewEnabled() || activeViewContainer->view()->selectedItems().isEmpty()) {
 309         return;
 310     }
 311
 312     if (tabPage->primaryViewActive()) {
 313         // copy from left panel to right
 314         activeViewContainer->view()->copySelectedItems(activeViewContainer->view()->selectedItems(), tabPage->secondaryViewContainer()->url());
 315     } else {
 316         // copy from right panel to left
 317         activeViewContainer->view()->copySelectedItems(activeViewContainer->view()->selectedItems(), tabPage->primaryViewContainer()->url());
 318     }
 319 }
 320
 321 void DolphinTabWidget::moveToInactiveSplitView()
 322 {
 323     const DolphinTabPage* tabPage = tabPageAt(currentIndex());
 324     DolphinViewContainer* activeViewContainer = currentTabPage()->activeViewContainer();
 325     if (!tabPage->splitViewEnabled() || activeViewContainer->view()->selectedItems().isEmpty()) {
 326         return;
 327     }
 328
 329     if (tabPage->primaryViewActive()) {
 330         // move from left panel to right
 331         activeViewContainer->view()->moveSelectedItems(activeViewContainer->view()->selectedItems(), tabPage->secondaryViewContainer()->url());
 332     } else {
 333         // move from right panel to left
 334         activeViewContainer->view()->moveSelectedItems(activeViewContainer->view()->selectedItems(), tabPage->primaryViewContainer()->url());
 335     }
 336 }
 337
 338 void DolphinTabWidget::detachTab(int index)
 339 {
 340     Q_ASSERT(index >= 0);
 341
 342     QStringList args;
 343
 344     const DolphinTabPage* tabPage = tabPageAt(index);
 345     args << tabPage->primaryViewContainer()->url().url();
 346     if (tabPage->splitViewEnabled()) {
 347         args << tabPage->secondaryViewContainer()->url().url();
 348         args << QStringLiteral("--split");
 349     }
 350     args << QStringLiteral("--new-window");
 351
 352     KIO::CommandLauncherJob *job = new KIO::CommandLauncherJob("dolphin", args, this);
 353     job->setDesktopName(QStringLiteral("org.kde.dolphin"));
 354     job->start();
 355
 356     closeTab(index);
 357 }
 358
 359 void DolphinTabWidget::openNewActivatedTab(int index)
 360 {
 361     Q_ASSERT(index >= 0);
 362     const DolphinTabPage* tabPage = tabPageAt(index);
 363     openNewActivatedTab(tabPage->activeViewContainer()->url());
 364 }
 365
 366 void DolphinTabWidget::tabDropEvent(int index, QDropEvent* event)
 367 {
 368     if (index >= 0) {
 369         DolphinView* view = tabPageAt(index)->activeViewContainer()->view();
 370         view->dropUrls(view->url(), event, view);
 371     }
 372 }
 373
 374 void DolphinTabWidget::tabUrlChanged(const QUrl& url)
 375 {
 376     const int index = indexOf(qobject_cast<QWidget*>(sender()));
 377     if (index >= 0) {
 378         tabBar()->setTabText(index, tabName(tabPageAt(index)));
 379         tabBar()->setTabToolTip(index, url.toDisplayString(QUrl::PreferLocalFile));
 380         if (tabBar()->isVisible()) {
 381             tabBar()->setTabIcon(index, QIcon::fromTheme(KIO::iconNameForUrl(url)));
 382         } else {
 383             // Mark as dirty, actually load once the tab bar actually gets shown
 384             tabBar()->setTabIcon(index, QIcon());
 385         }
 386
 387         // Emit the currentUrlChanged signal if the url of the current tab has been changed.
 388         if (index == currentIndex()) {
 389             Q_EMIT currentUrlChanged(url);
 390         }
 391     }
 392 }
 393
 394 void DolphinTabWidget::currentTabChanged(int index)
 395 {
 396     DolphinTabPage *tabPage = tabPageAt(index);
 397     if (tabPage == m_lastViewedTab) {
 398         return;
 399     }
 400     if (m_lastViewedTab) {
 401         m_lastViewedTab->disconnectNavigators();
 402         m_lastViewedTab->setActive(false);
 403     }
 404     if (tabPage->splitViewEnabled() && !m_navigatorsWidget->secondaryUrlNavigator()) {
 405         m_navigatorsWidget->createSecondaryUrlNavigator();
 406     }
 407     DolphinViewContainer* viewContainer = tabPage->activeViewContainer();
 408     Q_EMIT activeViewChanged(viewContainer);
 409     Q_EMIT currentUrlChanged(viewContainer->url());
 410     tabPage->setActive(true);
 411     tabPage->connectNavigators(m_navigatorsWidget);
 412     m_navigatorsWidget->setSecondaryNavigatorVisible(tabPage->splitViewEnabled());
 413     m_lastViewedTab = tabPage;
 414 }
 415
 416 void DolphinTabWidget::tabInserted(int index)
 417 {
 418     QTabWidget::tabInserted(index);
 419
 420     if (count() > 1) {
 421         // Resolve all pending tab icons
 422         for (int i = 0; i < count(); ++i) {
 423             const QUrl url = tabPageAt(i)->activeViewContainer()->url();
 424             if (tabBar()->tabIcon(i).isNull()) {
 425                 tabBar()->setTabIcon(i, QIcon::fromTheme(KIO::iconNameForUrl(url)));
 426             }
 427             if (tabBar()->tabToolTip(i).isEmpty()) {
 428                 tabBar()->setTabToolTip(index, url.toDisplayString(QUrl::PreferLocalFile));
 429             }
 430         }
 431
 432         tabBar()->show();
 433     }
 434
 435     Q_EMIT tabCountChanged(count());
 436 }
 437
 438 void DolphinTabWidget::tabRemoved(int index)
 439 {
 440     QTabWidget::tabRemoved(index);
 441
 442     // If only one tab is left, then remove the tab entry so that
 443     // closing the last tab is not possible.
 444     if (count() < 2) {
 445         tabBar()->hide();
 446     }
 447
 448     Q_EMIT tabCountChanged(count());
 449 }
 450
 451 QString DolphinTabWidget::tabName(DolphinTabPage* tabPage) const
 452 {
 453     if (!tabPage) {
 454         return QString();
 455     }
 456     QString name = tabPage->activeViewContainer()->caption();
 457     // Make sure that a '&' inside the directory name is displayed correctly
 458     // and not misinterpreted as a keyboard shortcut in QTabBar::setTabText()
 459     return name.replace('&', QLatin1String("&&"));
 460 }
 461
 462 QPair<int, bool> DolphinTabWidget::indexByUrl(const QUrl& url) const
 463 {
 464     for (int i = 0; i < count(); i++) {
 465         const auto tabPage = tabPageAt(i);
 466         if (url == tabPage->primaryViewContainer()->url()) {
 467             return qMakePair(i, true);
 468         }
 469
 470         if (tabPage->splitViewEnabled() && url == tabPage->secondaryViewContainer()->url()) {
 471             return qMakePair(i, false);
 472         }
 473     }
 474     return qMakePair(-1, false);
 475 }