src/dolphinmainwindow.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz@gmx.at>                  *
   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 "dolphinview.h"
  26 #include "panels/panel.h"
  27
  28 #include <config-nepomuk.h>
  29
  30 #include <kfileitemdelegate.h>
  31 #include <kio/fileundomanager.h>
  32 #include <ksortablelist.h>
  33 #include <kxmlguiwindow.h>
  34 #include <kactionmenu.h>
  35
  36 #include <QtCore/QList>
  37
  38 typedef KIO::FileUndoManager::CommandType CommandType;
  39
  40 class KAction;
  41 class DolphinViewActionHandler;
  42 class DolphinApplication;
  43 class DolphinSearchBox;
  44 class DolphinSearchOptionsConfigurator;
  45 class DolphinSettingsDialog;
  46 class DolphinViewContainer;
  47 class DolphinRemoteEncoding;
  48 class KNewFileMenu;
  49 class KTabBar;
  50 class KUrl;
  51 class QSplitter;
  52 class KJob;
  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     virtual ~DolphinMainWindow();
  68
  69     /**
  70      * Returns the currently active view.
  71      * All menu actions are applied to this view. When
  72      * having a split view setup, the nonactive view
  73      * is usually shown in darker colors.
  74      */
  75     DolphinViewContainer* activeViewContainer() const;
  76
  77     /**
  78      * Opens each directory \p in a separate tab. If the "split view"
  79      * option is enabled, 2 directories are collected within one tab.
  80      */
  81     void openDirectories(const QList<KUrl>& dirs);
  82
  83     /**
  84      * Opens the directory which contains the files \p files
  85      * and selects all files (implements the --select option
  86      * of Dolphin).
  87      */
  88     void openFiles(const QList<KUrl>& files);
  89
  90     /**
  91      * Returns true, if the main window contains two instances
  92      * of a view container. The active view constainer can be
  93      * accessed by DolphinMainWindow::activeViewContainer().
  94      */
  95     bool isSplit() const;
  96
  97     /**
  98      * If the main window contains two instances of a view container
  99      * (DolphinMainWindow::isSplit() returns true), then the
 100      * two views get toggled (the right view is on the left, the left
 101      * view on the right).
 102      */
 103     void toggleViews();
 104
 105     /** Renames the item represented by \a oldUrl to \a newUrl. */
 106     void rename(const KUrl& oldUrl, const KUrl& newUrl);
 107
 108     /**
 109      * Refreshes the views of the main window by recreating them dependent from
 110      * the given Dolphin settings.
 111      */
 112     void refreshViews();
 113
 114     /**
 115      * Returns the 'Create New...' sub menu which also can be shared
 116      * with other menus (e. g. a context menu).
 117      */
 118     KNewFileMenu* newMenu() const;
 119
 120     /**
 121      * Returns the 'Show Menubar' action which can be shared with
 122      * other menus (e. g. a context menu).
 123      */
 124     KAction* showMenuBarAction() const;
 125
 126 public slots:
 127     /**
 128      * Pastes the clipboard data into the currently selected folder
 129      * of the active view. If not exactly one folder is selected,
 130      * no pasting is done at all.
 131      */
 132     void pasteIntoFolder();
 133
 134     /**
 135      * Returns the main window ID used through DBus.
 136      */
 137     int getId() const;
 138
 139     /**
 140      * Implementation of the MainWindowAdaptor/QDBusAbstractAdaptor interface.
 141      * Inform all affected dolphin components (panels, views) of an URL
 142      * change.
 143      */
 144     void changeUrl(const KUrl& url);
 145
 146     /** Stores all settings and quits Dolphin. */
 147     void quit();
 148
 149 signals:
 150     /**
 151      * Is sent if the selection of the currently active view has
 152      * been changed.
 153      */
 154     void selectionChanged(const KFileItemList& selection);
 155
 156     /**
 157      * Is sent if the url of the currently active view has
 158      * been changed.
 159      */
 160     void urlChanged(const KUrl& url);
 161
 162     /**
 163      * Is emitted if information of an item is requested to be shown e. g. in the panel.
 164      * If item is null, no item information request is pending.
 165      */
 166     void requestItemInfo(const KFileItem& item);
 167
 168 protected:
 169     /** @see QWidget::showEvent() */
 170     virtual void showEvent(QShowEvent* event);
 171
 172     /** @see QMainWindow::closeEvent() */
 173     virtual void closeEvent(QCloseEvent* event);
 174
 175     /** @see KMainWindow::saveProperties() */
 176     virtual void saveProperties(KConfigGroup& group);
 177
 178     /** @see KMainWindow::readProperties() */
 179     virtual void readProperties(const KConfigGroup& group);
 180
 181 private slots:
 182     void clearStatusBar();
 183
 184     /** Updates the 'Create New...' sub menu. */
 185     void updateNewMenu();
 186
 187     void createDirectory();
 188
 189     /** Shows the error message in the status bar of the active view. */
 190     void showErrorMessage(const QString& message);
 191
 192     /**
 193      * Updates the state of the 'Undo' menu action dependent
 194      * from the parameter \a available.
 195      */
 196     void slotUndoAvailable(bool available);
 197
 198     /** Invoked when an action in the recent tabs menu is clicked. */
 199     void restoreClosedTab(QAction* action);
 200
 201     /** Sets the text of the 'Undo' menu action to \a text. */
 202     void slotUndoTextChanged(const QString& text);
 203
 204     /** Performs the current undo operation. */
 205     void undo();
 206
 207     /**
 208      * Copies all selected items to the clipboard and marks
 209      * the items as cut.
 210      */
 211     void cut();
 212
 213     /** Copies all selected items to the clipboard. */
 214     void copy();
 215
 216     /** Pastes the clipboard data to the active view. */
 217     void paste();
 218
 219     /**
 220      * Updates the text of the paste action dependent from
 221      * the number of items which are in the clipboard.
 222      */
 223     void updatePasteAction();
 224
 225     /** Selects all items from the active view. */
 226     void selectAll();
 227
 228     /**
 229      * Inverts the selection of all items of the active view:
 230      * Selected items get nonselected and nonselected items get
 231      * selected.
 232      */
 233     void invertSelection();
 234
 235     /**
 236      * Switches between one and two views:
 237      * If one view is visible, it will get split into two views.
 238      * If already two views are visible, the nonactivated view gets closed.
 239      */
 240     void toggleSplitView();
 241
 242     /** Reloads the current active view. */
 243     void reloadView();
 244
 245     /** Stops the loading process for the current active view. */
 246     void stopLoading();
 247
 248     /**
 249      * Toggles between showing and hiding of the filter bar
 250      */
 251     void toggleFilterBarVisibility(bool show);
 252
 253     /**
 254      * Toggles between edit and browse mode of the navigation bar.
 255      */
 256     void toggleEditLocation();
 257
 258     /**
 259      * Switches to the edit mode of the navigation bar and selects
 260      * the whole URL, so that it can be replaced by the user. If the edit mode is
 261      * already active, it is assured that the navigation bar get focused.
 262      */
 263     void replaceLocation();
 264
 265     /** Goes back on step of the URL history. */
 266     void goBack();
 267
 268     /** Goes forward one step of the URL history. */
 269     void goForward();
 270
 271     /** Goes up one hierarchy of the current URL. */
 272     void goUp();
 273
 274     /**
 275      * Open the previous URL in the URL history in a new tab
 276      * if the middle mouse button is clicked.
 277      */
 278     void goBack(Qt::MouseButtons buttons);
 279
 280     /**
 281      * Open the next URL in the URL history in a new tab
 282      * if the middle mouse button is clicked.
 283      */
 284     void goForward(Qt::MouseButtons buttons);
 285
 286     /**
 287      * Open the URL one hierarchy above the current URL in a new tab
 288      * if the middle mouse button is clicked.
 289      */
 290     void goUp(Qt::MouseButtons buttons);
 291
 292     /** Goes to the home URL. */
 293     void goHome();
 294
 295     /** Opens Kompare for 2 selected files. */
 296     void compareFiles();
 297
 298     /**
 299      * Hides the menu bar if it is visible, makes the menu bar
 300      * visible if it is hidden.
 301      */
 302     void toggleShowMenuBar();
 303
 304     /** Opens a terminal window for the current location. */
 305     void openTerminal();
 306
 307     /** Opens the settings dialog for Dolphin. */
 308     void editSettings();
 309
 310     /** Updates the state of the 'Show Full Location' action. */
 311     void slotEditableStateChanged(bool editable);
 312
 313     /**
 314      * Updates the state of the 'Edit' menu actions and emits
 315      * the signal selectionChanged().
 316      */
 317     void slotSelectionChanged(const KFileItemList& selection);
 318
 319     /** Enables changing of tabs via mouse wheel. */
 320     void slotWheelMoved(int wheelDelta);
 321
 322     /** Emits the signal requestItemInfo(). */
 323     void slotRequestItemInfo(const KFileItem&);
 324
 325     /**
 326      * Updates the state of the 'Back' and 'Forward' menu
 327      * actions corresponding to the current history.
 328      */
 329     void updateHistory();
 330
 331     /** Updates the state of the 'Show filter bar' menu action. */
 332     void updateFilterBarAction(bool show);
 333
 334     /** Open a new main window. */
 335     void openNewMainWindow();
 336
 337     /** Opens a new view with the current URL that is part of a tab. */
 338     void openNewTab();
 339
 340     /**
 341      * Opens a new tab showing the URL \a url.
 342      */
 343     void openNewTab(const KUrl& url);
 344
 345     void activateNextTab();
 346
 347     void activatePrevTab();
 348
 349     /**
 350      * Opens the selected folder in a new tab.
 351      */
 352     void openInNewTab();
 353
 354     /**
 355      * Opens the selected folder in a new window.
 356      */
 357     void openInNewWindow();
 358
 359     /** Toggles the active view if two views are shown within the main window. */
 360     void toggleActiveView();
 361
 362     /**
 363      * Indicates in the statusbar that the execution of the command \a command
 364      * has been finished.
 365      */
 366     void showCommand(CommandType command);
 367
 368     /**
 369      * Activates the tab with the index \a index, which means that the current view
 370      * is replaced by the view of the given tab.
 371      */
 372     void setActiveTab(int index);
 373
 374     /** Closes the currently active tab. */
 375     void closeTab();
 376
 377     /**
 378      * Closes the tab with the index \index and activates the tab with index - 1.
 379      */
 380     void closeTab(int index);
 381
 382     /**
 383      * Opens a context menu for the tab with the index \a index
 384      * on the position \a pos.
 385      */
 386     void openTabContextMenu(int index, const QPoint& pos);
 387
 388     /**
 389      * Is connected to the QTabBar signal tabMoved(int from, int to).
 390      * Reorders the list of tabs after a tab was moved in the tab bar
 391      * and sets m_tabIndex to the new index of the current tab.
 392      */
 393     void slotTabMoved(int from, int to);
 394
 395     /**
 396      * Handles a click on a places item: if the middle mouse button is
 397      * clicked, a new tab is opened for \a url, otherwise the current
 398      * view is replaced by \a url.
 399      */
 400     void handlePlacesClick(const KUrl& url, Qt::MouseButtons buttons);
 401
 402     /**
 403      * Is connected to the KTabBar signal testCanDecode() and adjusts
 404      * the output parameter \a accept.
 405      */
 406     void slotTestCanDecode(const QDragMoveEvent* event, bool& accept);
 407
 408     /**
 409      * Is connected with the Dolphin search box and the search configurator
 410      * and triggers a Nepomuk search.
 411      */
 412     void searchItems();
 413
 414     /**
 415      * Is connected to the searchbox signal 'requestSearchOptions' and
 416      * takes care to show the search options.
 417      */
 418     void showSearchOptions();
 419
 420     /**
 421      * If the URL can be listed open it in the current view, otherwise
 422      * run it through KRun.
 423      */
 424     void handleUrl(const KUrl& url);
 425
 426     /**
 427      * setUrlAsCaption() will trigger a stat job which reports its result in
 428      * this slot.
 429      */
 430     void slotCaptionStatFinished(KJob* job);
 431
 432     /**
 433      * Is connected to the KTabBar signal receivedDropEvent.
 434      * Allows dragging and dropping files onto tabs.
 435      */
 436     void tabDropEvent(int tab, QDropEvent* event);
 437
 438     /**
 439      * Is invoked when the write state of a folder has been changed and
 440      * enables/disables the "Create New..." menu entry.
 441      */
 442     void slotWriteStateChanged(bool isFolderWritable);
 443
 444     /**
 445      * Opens the context menu on the current mouse position.
 446      * @item          File item context. If item is null, the context menu
 447      *                should be applied to \a url.
 448      * @url           URL which contains \a item.
 449      * @customActions Actions that should be added to the context menu,
 450      *                if the file item is null.
 451      */
 452     void openContextMenu(const KFileItem& item,
 453                          const KUrl& url,
 454                          const QList<QAction*>& customActions);
 455
 456 private:
 457     DolphinMainWindow(int id);
 458     void init();
 459
 460     /**
 461      * Activates the given view, which means that
 462      * all menu actions are applied to this view. When
 463      * having a split view setup, the nonactive view
 464      * is usually shown in darker colors.
 465      */
 466     void setActiveViewContainer(DolphinViewContainer* view);
 467
 468     void setupActions();
 469     void setupDockWidgets();
 470     void updateEditActions();
 471     void updateViewActions();
 472     void updateGoActions();
 473
 474     /**
 475      * Adds the tab[\a index] to the closed tab menu's list of actions.
 476      */
 477     void rememberClosedTab(int index);
 478
 479     /**
 480      * Connects the signals from the created DolphinView with
 481      * the DolphinViewContainer \a container with the corresponding slots of
 482      * the DolphinMainWindow. This method must be invoked each
 483      * time a DolphinView has been created.
 484      */
 485     void connectViewSignals(DolphinViewContainer* container);
 486
 487     /**
 488      * Updates the text of the split action:
 489      * If two views are shown, the text is set to "Split",
 490      * otherwise the text is set to "Join". The icon
 491      * is updated to match with the text and the currently active view.
 492      */
 493     void updateSplitAction();
 494
 495     /** Returns the name of the tab for the URL \a url. */
 496     QString tabName(const KUrl& url) const;
 497
 498     bool isKompareInstalled() const;
 499
 500     void createSecondaryView(int tabIndex);
 501
 502     /**
 503      * Helper method for saveProperties() and readProperties(): Returns
 504      * the property string for a tab with the index \a tabIndex and
 505      * the property \a property.
 506      */
 507     QString tabProperty(const QString& property, int tabIndex) const;
 508
 509     /**
 510      * Sets the window caption to url.fileName() if this is non-empty,
 511      * "/" if the URL is "file:///", and url.protocol() otherwise.
 512      */
 513     void setUrlAsCaption(const KUrl& url);
 514
 515     QString squeezedText(const QString& text) const;
 516
 517 private:
 518     /**
 519      * Implements a custom error handling for the undo manager. This
 520      * assures that all errors are shown in the status bar of Dolphin
 521      * instead as modal error dialog with an OK button.
 522      */
 523     class UndoUiInterface : public KIO::FileUndoManager::UiInterface
 524     {
 525     public:
 526         UndoUiInterface();
 527         virtual ~UndoUiInterface();
 528         virtual void jobError(KIO::Job* job);
 529     };
 530
 531     KNewFileMenu* m_newMenu;
 532     KActionMenu* m_recentTabsMenu;
 533     KAction* m_showMenuBar;
 534     KTabBar* m_tabBar;
 535     DolphinViewContainer* m_activeViewContainer;
 536     QVBoxLayout* m_centralWidgetLayout;
 537     DolphinSearchBox* m_searchBox;
 538     DolphinSearchOptionsConfigurator* m_searchOptionsConfigurator;
 539     int m_id;
 540
 541     struct ViewTab
 542     {
 543         ViewTab() : isPrimaryViewActive(true), primaryView(0), secondaryView(0), splitter(0) {}
 544         bool isPrimaryViewActive;
 545         DolphinViewContainer* primaryView;
 546         DolphinViewContainer* secondaryView;
 547         QSplitter* splitter;
 548     };
 549
 550     int m_tabIndex;
 551     QList<ViewTab> m_viewTab;
 552
 553     DolphinViewActionHandler* m_actionHandler;
 554     DolphinRemoteEncoding* m_remoteEncoding;
 555     QPointer<DolphinSettingsDialog> m_settingsDialog;
 556
 557     KJob* m_captionStatJob;
 558 };
 559
 560 inline DolphinViewContainer* DolphinMainWindow::activeViewContainer() const
 561 {
 562     return m_activeViewContainer;
 563 }
 564
 565 inline bool DolphinMainWindow::isSplit() const
 566 {
 567     return m_viewTab[m_tabIndex].secondaryView != 0;
 568 }
 569
 570 inline KNewFileMenu* DolphinMainWindow::newMenu() const
 571 {
 572     return m_newMenu;
 573 }
 574
 575 inline KAction* DolphinMainWindow::showMenuBarAction() const
 576 {
 577     return m_showMenuBar;
 578 }
 579
 580 inline int DolphinMainWindow::getId() const
 581 {
 582     return m_id;
 583 }
 584
 585 #endif // DOLPHIN_MAINWINDOW_H
 586