src/dolphinmainwindow.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz19@gmail.com>             *
   3  *   Copyright (C) 2006 by Stefan Monov <logixoul@gmail.com>               *
   4  *   Copyright (C) 2006 by Cvetoslav Ludmiloff <ludmiloff@gmail.com>       *
   5  *                                                                         *
   6  *   This program is free software; you can redistribute it and/or modify  *
   7  *   it under the terms of the GNU General Public License as published by  *
   8  *   the Free Software Foundation; either version 2 of the License, or     *
   9  *   (at your option) any later version.                                   *
  10  *                                                                         *
  11  *   This program is distributed in the hope that it will be useful,       *
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14  *   GNU General Public License for more details.                          *
  15  *                                                                         *
  16  *   You should have received a copy of the GNU General Public License     *
  17  *   along with this program; if not, write to the                         *
  18  *   Free Software Foundation, Inc.,                                       *
  19  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  20  ***************************************************************************/
  21
  22 #ifndef DOLPHIN_MAINWINDOW_H
  23 #define DOLPHIN_MAINWINDOW_H
  24
  25 #include <config-nepomuk.h>
  26
  27 #include <KFileItemDelegate>
  28 #include <kio/fileundomanager.h>
  29 #include <ksortablelist.h>
  30 #include <kxmlguiwindow.h>
  31 #include <KActionMenu>
  32
  33 #include <QList>
  34 #include <QWeakPointer>
  35
  36 typedef KIO::FileUndoManager::CommandType CommandType;
  37
  38 class DolphinViewActionHandler;
  39 class DolphinApplication;
  40 class DolphinSettingsDialog;
  41 class DolphinViewContainer;
  42 class DolphinRemoteEncoding;
  43 class KAction;
  44 class KFileItem;
  45 class KFileItemList;
  46 class KJob;
  47 class KNewFileMenu;
  48 class KTabBar;
  49 class KUrl;
  50 class QSplitter;
  51 class QToolButton;
  52 class QVBoxLayout;
  53
  54 /**
  55  * @short Main window for Dolphin.
  56  *
  57  * Handles the menus, toolbars and Dolphin views.
  58  */
  59 class DolphinMainWindow: public KXmlGuiWindow
  60 {
  61     Q_OBJECT
  62     Q_CLASSINFO("D-Bus Interface", "org.kde.dolphin.MainWindow")
  63     Q_PROPERTY(int id READ getId SCRIPTABLE true)
  64     friend class DolphinApplication;
  65
  66 public:
  67     DolphinMainWindow();
  68     virtual ~DolphinMainWindow();
  69
  70     /**
  71      * Returns the currently active view.
  72      * All menu actions are applied to this view. When
  73      * having a split view setup, the nonactive view
  74      * is usually shown in darker colors.
  75      */
  76     DolphinViewContainer* activeViewContainer() const;
  77
  78     /**
  79      * Opens each directory in \p dirs in a separate tab. If the "split view"
  80      * option is enabled, 2 directories are collected within one tab.
  81      */
  82     void openDirectories(const QList<KUrl>& dirs);
  83
  84     /**
  85      * Opens the directory which contains the files \p files
  86      * and selects all files (implements the --select option
  87      * of Dolphin).
  88      */
  89     void openFiles(const QList<KUrl>& files);
  90
  91     /**
  92      * Returns true, if the main window contains two instances
  93      * of a view container. The active view constainer can be
  94      * accessed by DolphinMainWindow::activeViewContainer().
  95      */
  96     bool isSplit() const;
  97
  98     /** Renames the item represented by \a oldUrl to \a newUrl. */
  99     void rename(const KUrl& oldUrl, const KUrl& newUrl);
 100
 101     /**
 102      * Returns the 'Create New...' sub menu which also can be shared
 103      * with other menus (e. g. a context menu).
 104      */
 105     KNewFileMenu* newFileMenu() const;
 106
 107 public slots:
 108     /**
 109      * Pastes the clipboard data into the currently selected folder
 110      * of the active view. If not exactly one folder is selected,
 111      * no pasting is done at all.
 112      */
 113     void pasteIntoFolder();
 114
 115     /**
 116      * Returns the main window ID used through DBus.
 117      */
 118     int getId() const;
 119
 120     /**
 121      * Implementation of the MainWindowAdaptor/QDBusAbstractAdaptor interface.
 122      * Inform all affected dolphin components (panels, views) of an URL
 123      * change.
 124      */
 125     void changeUrl(const KUrl& url);
 126
 127     /** Stores all settings and quits Dolphin. */
 128     void quit();
 129
 130 signals:
 131     /**
 132      * Is sent if the selection of the currently active view has
 133      * been changed.
 134      */
 135     void selectionChanged(const KFileItemList& selection);
 136
 137     /**
 138      * Is sent if the url of the currently active view has
 139      * been changed.
 140      */
 141     void urlChanged(const KUrl& url);
 142
 143     /**
 144      * Is emitted if information of an item is requested to be shown e. g. in the panel.
 145      * If item is null, no item information request is pending.
 146      */
 147     void requestItemInfo(const KFileItem& item);
 148
 149 protected:
 150     /** @see QWidget::showEvent() */
 151     virtual void showEvent(QShowEvent* event);
 152
 153     /** @see QMainWindow::closeEvent() */
 154     virtual void closeEvent(QCloseEvent* event);
 155
 156     /** @see KMainWindow::saveProperties() */
 157     virtual void saveProperties(KConfigGroup& group);
 158
 159     /** @see KMainWindow::readProperties() */
 160     virtual void readProperties(const KConfigGroup& group);
 161
 162 private slots:
 163     /**
 164      * Refreshes the views of the main window by recreating them according to
 165      * the given Dolphin settings.
 166      */
 167     void refreshViews();
 168
 169     void clearStatusBar();
 170
 171     /** Updates the 'Create New...' sub menu. */
 172     void updateNewMenu();
 173
 174     void createDirectory();
 175
 176     /** Shows the error message in the status bar of the active view. */
 177     void showErrorMessage(const QString& message);
 178
 179     /**
 180      * Updates the state of the 'Undo' menu action dependent
 181      * on the parameter \a available.
 182      */
 183     void slotUndoAvailable(bool available);
 184
 185     /** Invoked when an action in the recent tabs menu is clicked. */
 186     void restoreClosedTab(QAction* action);
 187
 188     /** Sets the text of the 'Undo' menu action to \a text. */
 189     void slotUndoTextChanged(const QString& text);
 190
 191     /** Performs the current undo operation. */
 192     void undo();
 193
 194     /**
 195      * Copies all selected items to the clipboard and marks
 196      * the items as cut.
 197      */
 198     void cut();
 199
 200     /** Copies all selected items to the clipboard. */
 201     void copy();
 202
 203     /** Pastes the clipboard data to the active view. */
 204     void paste();
 205
 206     /** Replaces the URL navigator by a search box to find files. */
 207     void find();
 208
 209     /**
 210      * Is invoked when the "Find" is active and the search location
 211      * (From Here/Everywhere) has been changed. Updates the
 212      * enabled state of the Search Panel.
 213      */
 214     void slotSearchLocationChanged();
 215
 216     /**
 217      * Updates the text of the paste action dependent on
 218      * the number of items which are in the clipboard.
 219      */
 220     void updatePasteAction();
 221
 222     /** Selects all items from the active view. */
 223     void selectAll();
 224
 225     /**
 226      * Inverts the selection of all items of the active view:
 227      * Selected items get nonselected and nonselected items get
 228      * selected.
 229      */
 230     void invertSelection();
 231
 232     /**
 233      * Switches between one and two views:
 234      * If one view is visible, it will get split into two views.
 235      * If already two views are visible, the active view gets closed.
 236      */
 237     void toggleSplitView();
 238
 239     /** Reloads the currently active view. */
 240     void reloadView();
 241
 242     /** Stops the loading process for the currently active view. */
 243     void stopLoading();
 244
 245     void enableStopAction();
 246     void disableStopAction();
 247
 248     void showFilterBar();
 249
 250     /**
 251      * Toggles between edit and browse mode of the navigation bar.
 252      */
 253     void toggleEditLocation();
 254
 255     /**
 256      * Switches to the edit mode of the navigation bar and selects
 257      * the whole URL, so that it can be replaced by the user. If the edit mode is
 258      * already active, it is assured that the navigation bar get focused.
 259      */
 260     void replaceLocation();
 261
 262     /**
 263      * Toggles the state of the panels between a locked and unlocked layout.
 264      */
 265     void togglePanelLockState();
 266
 267     /**
 268      * Is invoked if the Places panel got visible/invisible and takes care
 269      * that the places-selector of all views is only shown if the Places panel
 270      * is invisible.
 271      */
 272     void slotPlacesPanelVisibilityChanged(bool visible);
 273
 274     /** Goes back one step of the URL history. */
 275     void goBack();
 276
 277     /** Goes forward one step of the URL history. */
 278     void goForward();
 279
 280     /** Goes up one hierarchy of the current URL. */
 281     void goUp();
 282
 283     /** Changes the location to the home URL. */
 284     void goHome();
 285
 286     /**
 287      * Open the previous URL in the URL history in a new tab
 288      * if the middle mouse button is clicked.
 289      */
 290     void goBack(Qt::MouseButtons buttons);
 291
 292     /**
 293      * Open the next URL in the URL history in a new tab
 294      * if the middle mouse button is clicked.
 295      */
 296     void goForward(Qt::MouseButtons buttons);
 297
 298     /**
 299      * Open the URL one hierarchy above the current URL in a new tab
 300      * if the middle mouse button is clicked.
 301      */
 302     void goUp(Qt::MouseButtons buttons);
 303
 304     /**
 305      * Open the home URL in a new tab
 306      */
 307     void goHome(Qt::MouseButtons buttons);
 308
 309     /** Opens Kompare for 2 selected files. */
 310     void compareFiles();
 311
 312     /**
 313      * Hides the menu bar if it is visible, makes the menu bar
 314      * visible if it is hidden.
 315      */
 316     void toggleShowMenuBar();
 317
 318     /** Opens a terminal window for the current location. */
 319     void openTerminal();
 320
 321     /** Opens the settings dialog for Dolphin. */
 322     void editSettings();
 323
 324     /** Updates the state of the 'Show Full Location' action. */
 325     void slotEditableStateChanged(bool editable);
 326
 327     /**
 328      * Updates the state of the 'Edit' menu actions and emits
 329      * the signal selectionChanged().
 330      */
 331     void slotSelectionChanged(const KFileItemList& selection);
 332
 333     /** Emits the signal requestItemInfo(). */
 334     void slotRequestItemInfo(const KFileItem&);
 335
 336     /**
 337      * Updates the state of the 'Back' and 'Forward' menu
 338      * actions corresponding to the current history.
 339      */
 340     void updateHistory();
 341
 342     /** Updates the state of the 'Show filter bar' menu action. */
 343     void updateFilterBarAction(bool show);
 344
 345     /** Open a new main window. */
 346     void openNewMainWindow();
 347
 348     /** Opens a new view with the current URL that is part of a tab. */
 349     void openNewTab();
 350
 351     /**
 352      * Opens a new tab showing the URL \a url.
 353      */
 354     void openNewTab(const KUrl& url);
 355
 356     void activateNextTab();
 357
 358     void activatePrevTab();
 359
 360     /**
 361      * Opens the selected folder in a new tab.
 362      */
 363     void openInNewTab();
 364
 365     /**
 366      * Opens the selected folder in a new window.
 367      */
 368     void openInNewWindow();
 369
 370     /** Toggles the active view if two views are shown within the main window. */
 371     void toggleActiveView();
 372
 373     /**
 374      * Indicates in the statusbar that the execution of the command \a command
 375      * has been finished.
 376      */
 377     void showCommand(CommandType command);
 378
 379     /**
 380      * Activates the tab with the index \a index, which means that the current view
 381      * is replaced by the view of the given tab.
 382      */
 383     void setActiveTab(int index);
 384
 385     /** Closes the currently active tab. */
 386     void closeTab();
 387
 388     /**
 389      * Closes the tab with the index \a index and activates the tab with index - 1.
 390      */
 391     void closeTab(int index);
 392
 393     /**
 394      * Opens a context menu for the tab with the index \a index
 395      * on the position \a pos.
 396      */
 397     void openTabContextMenu(int index, const QPoint& pos);
 398
 399     /**
 400      * Is connected to the QTabBar signal tabMoved(int from, int to).
 401      * Reorders the list of tabs after a tab was moved in the tab bar
 402      * and sets m_tabIndex to the new index of the current tab.
 403      */
 404     void slotTabMoved(int from, int to);
 405
 406     /**
 407      * Handles a click on a places item: if the middle mouse button is
 408      * clicked, a new tab is opened for \a url, otherwise the current
 409      * view is replaced by \a url.
 410      */
 411     void handlePlacesClick(const KUrl& url, Qt::MouseButtons buttons);
 412
 413     /**
 414      * Is connected to the KTabBar signal testCanDecode() and adjusts
 415      * the output parameter \a accept.
 416      */
 417     void slotTestCanDecode(const QDragMoveEvent* event, bool& accept);
 418
 419     /**
 420      * If the URL can be listed, open it in the current view, otherwise
 421      * run it through KRun.
 422      */
 423     void handleUrl(const KUrl& url);
 424
 425     /**
 426      * handleUrl() can trigger a stat job to see if the url can actually
 427      * be listed.
 428      */
 429     void slotHandleUrlStatFinished(KJob* job);
 430
 431     /**
 432      * Is connected to the KTabBar signal receivedDropEvent.
 433      * Allows dragging and dropping files onto tabs.
 434      */
 435     void tabDropEvent(int tab, QDropEvent* event);
 436
 437     /**
 438      * Is invoked when the write state of a folder has been changed and
 439      * enables/disables the "Create New..." menu entry.
 440      */
 441     void slotWriteStateChanged(bool isFolderWritable);
 442
 443     void slotSearchModeChanged(bool enabled);
 444
 445     /**
 446      * Opens the context menu on the current mouse position.
 447      * @pos           Position in screen coordinates.
 448      * @item          File item context. If item is null, the context menu
 449      *                should be applied to \a url.
 450      * @url           URL which contains \a item.
 451      * @customActions Actions that should be added to the context menu,
 452      *                if the file item is null.
 453      */
 454     void openContextMenu(const QPoint& pos,
 455                          const KFileItem& item,
 456                          const KUrl& url,
 457                          const QList<QAction*>& customActions);
 458
 459     void updateToolBarMenu();
 460     void updateToolBar();
 461     void slotToolBarSpacerDeleted();
 462     void slotToolBarMenuButtonDeleted();
 463     void slotToolBarIconSizeChanged(const QSize& iconSize);
 464
 465 private:
 466     /**
 467      * Activates the given view, which means that
 468      * all menu actions are applied to this view. When
 469      * having a split view setup, the nonactive view
 470      * is usually shown in darker colors.
 471      */
 472     void setActiveViewContainer(DolphinViewContainer* view);
 473
 474     /**
 475      * Creates a view container and does a default initialization.
 476      */
 477     DolphinViewContainer* createViewContainer(const KUrl& url, QWidget* parent);
 478
 479     void setupActions();
 480     void setupDockWidgets();
 481     void updateEditActions();
 482     void updateViewActions();
 483     void updateGoActions();
 484
 485     void createToolBarMenuButton();
 486     void deleteToolBarMenuButton();
 487
 488     /**
 489      * Adds the action \p action to the menu \p menu in
 490      * case if it has not added already to the toolbar.
 491      * @return True if the action has been added to the menu.
 492      */
 493     bool addActionToMenu(QAction* action, KMenu* menu);
 494
 495     /**
 496      * Adds the tab[\a index] to the closed tab menu's list of actions.
 497      */
 498     void rememberClosedTab(int index);
 499
 500     /**
 501      * Connects the signals from the created DolphinView with
 502      * the DolphinViewContainer \a container with the corresponding slots of
 503      * the DolphinMainWindow. This method must be invoked each
 504      * time a DolphinView has been created.
 505      */
 506     void connectViewSignals(DolphinViewContainer* container);
 507
 508     /**
 509      * Updates the text of the split action:
 510      * If two views are shown, the text is set to "Split",
 511      * otherwise the text is set to "Join". The icon
 512      * is updated to match with the text and the currently active view.
 513      */
 514     void updateSplitAction();
 515
 516     /** Returns the name of the tab for the URL \a url. */
 517     QString tabName(const KUrl& url) const;
 518
 519     bool isKompareInstalled() const;
 520
 521     void createSecondaryView(int tabIndex);
 522
 523     /**
 524      * Helper method for saveProperties() and readProperties(): Returns
 525      * the property string for a tab with the index \a tabIndex and
 526      * the property \a property.
 527      */
 528     QString tabProperty(const QString& property, int tabIndex) const;
 529
 530     /**
 531      * Sets the window caption to url.fileName() if this is non-empty,
 532      * "/" if the URL is "file:///", and url.protocol() otherwise.
 533      */
 534     void setUrlAsCaption(const KUrl& url);
 535
 536     QString squeezedText(const QString& text) const;
 537
 538     /**
 539      * Creates an action for showing/hiding a panel, that is accessible
 540      * in "Configure toolbars..." and "Configure shortcuts...". This is necessary
 541      * as the action for toggling the dock visibility is done by Qt which
 542      * is no KAction instance.
 543      */
 544     void createPanelAction(const KIcon& icon,
 545                            const QKeySequence& shortcut,
 546                            QAction* dockAction,
 547                            const QString& actionName);
 548
 549 private:
 550     /**
 551      * Implements a custom error handling for the undo manager. This
 552      * assures that all errors are shown in the status bar of Dolphin
 553      * instead as modal error dialog with an OK button.
 554      */
 555     class UndoUiInterface : public KIO::FileUndoManager::UiInterface
 556     {
 557     public:
 558         UndoUiInterface();
 559         virtual ~UndoUiInterface();
 560         virtual void jobError(KIO::Job* job);
 561     };
 562
 563     KNewFileMenu* m_newFileMenu;
 564     KActionMenu* m_recentTabsMenu;
 565     KTabBar* m_tabBar;
 566     DolphinViewContainer* m_activeViewContainer;
 567     QVBoxLayout* m_centralWidgetLayout;
 568     int m_id;
 569
 570     // Members for the tab-handling:
 571     struct ViewTab
 572     {
 573         ViewTab() : isPrimaryViewActive(true), wasActive(false), primaryView(0), secondaryView(0), splitter(0) {}
 574         bool isPrimaryViewActive;
 575         bool wasActive;
 576         DolphinViewContainer* primaryView;
 577         DolphinViewContainer* secondaryView;
 578         QSplitter* splitter;
 579     };
 580     int m_tabIndex;
 581     QList<ViewTab> m_viewTab;
 582
 583     DolphinViewActionHandler* m_actionHandler;
 584     DolphinRemoteEncoding* m_remoteEncoding;
 585     QWeakPointer<DolphinSettingsDialog> m_settingsDialog;
 586
 587     // Members for the toolbar menu that is shown when the menubar is hidden:
 588     QWidget* m_toolBarSpacer;
 589     QToolButton* m_openToolBarMenuButton;
 590     QTimer* m_updateToolBarTimer;
 591
 592     KJob* m_lastHandleUrlStatJob;
 593
 594     /**
 595      * Set to true, if the filter dock visibility is only temporary set
 596      * to true by enabling the search mode.
 597      */
 598     bool m_searchDockIsTemporaryVisible;
 599 };
 600
 601 inline DolphinViewContainer* DolphinMainWindow::activeViewContainer() const
 602 {
 603     return m_activeViewContainer;
 604 }
 605
 606 inline bool DolphinMainWindow::isSplit() const
 607 {
 608     return m_viewTab[m_tabIndex].secondaryView != 0;
 609 }
 610
 611 inline KNewFileMenu* DolphinMainWindow::newFileMenu() const
 612 {
 613     return m_newFileMenu;
 614 }
 615
 616 inline int DolphinMainWindow::getId() const
 617 {
 618     return m_id;
 619 }
 620
 621 #endif // DOLPHIN_MAINWINDOW_H
 622