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