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