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 "sidebarpage.h"
  27
  28 #include <config-nepomuk.h>
  29
  30 #include <kfileitemdelegate.h>
  31 #include <konq_fileundomanager.h>
  32 #include <ksortablelist.h>
  33 #include <kxmlguiwindow.h>
  34
  35 #include <QtCore/QList>
  36
  37 class DolphinApplication;
  38 class DolphinViewContainer;
  39 class KNewMenu;
  40 class KUrl;
  41 class QSplitter;
  42
  43 /**
  44  * @short Main window for Dolphin.
  45  *
  46  * Handles the menus, toolbars and Dolphin views.
  47  */
  48 class DolphinMainWindow: public KXmlGuiWindow
  49 {
  50     Q_OBJECT
  51     Q_CLASSINFO("D-Bus Interface", "org.kde.dolphin.MainWindow")
  52     Q_PROPERTY(int id READ getId SCRIPTABLE true)
  53     friend class DolphinApplication;
  54
  55 public:
  56     virtual ~DolphinMainWindow();
  57
  58     /**
  59      * Returns the currently active view.
  60      * All menu actions are applied to this view. When
  61      * having a split view setup, the nonactive view
  62      * is usually shown in darker colors.
  63      */
  64     DolphinViewContainer* activeViewContainer() const;
  65
  66     /**
  67      * Returns true, if the main window contains two instances
  68      * of a view container. The active view constainer can be
  69      * accessed by DolphinMainWindow::activeViewContainer().
  70      */
  71     bool isSplit() const;
  72
  73     /**
  74      * If the main window contains two instances of a view container
  75      * (DolphinMainWindow::isSplit() returns true), then the
  76      * two views get toggled (the right view is on the left, the left
  77      * view on the right).
  78      */
  79     void toggleViews();
  80
  81     /** Renames the item represented by \a oldUrl to \a newUrl. */
  82     void rename(const KUrl& oldUrl, const KUrl& newUrl);
  83
  84     /**
  85      * Refreshes the views of the main window by recreating them dependent from
  86      * the given Dolphin settings.
  87      */
  88     void refreshViews();
  89
  90     /**
  91      * Returns the 'Create New...' sub menu which also can be shared
  92      * with other menus (e. g. a context menu).
  93      */
  94     KNewMenu* newMenu() const;
  95
  96 public slots:
  97     /**
  98      * Handles the dropping of URLs to the given
  99      * destination. A context menu with the options
 100      * 'Move Here', 'Copy Here', 'Link Here' and
 101      * 'Cancel' is offered to the user.
 102      * @param urls        List of URLs which have been
 103      *                    dropped.
 104      * @param destination Destination URL, where the
 105      *                    list or URLs should be moved,
 106      *                    copied or linked to.
 107      */
 108     void dropUrls(const KUrl::List& urls,
 109                   const KUrl& destination);
 110
 111     /**
 112      * Returns the main window ID used through DBus.
 113      */
 114     int getId() const;
 115
 116     /**
 117      * Inform all affected dolphin components (sidebars, views) of an URL
 118      * change.
 119      */
 120     void changeUrl(const KUrl& url);
 121
 122     /**
 123      * Inform all affected dolphin components that a selection change is
 124      * requested.
 125      */
 126     void changeSelection(const KFileItemList& selection);
 127
 128     /** Stores all settings and quits Dolphin. */
 129     void quit();
 130
 131 signals:
 132     /**
 133      * Is send if the active view has been changed in
 134      * the split view mode.
 135      */
 136     void activeViewChanged();
 137
 138     /**
 139      * Is sent if the selection of the currently active view has
 140      * been changed.
 141      */
 142     void selectionChanged(const KFileItemList& selection);
 143
 144     /**
 145      * Is sent if the url of the currently active view has
 146      * been changed.
 147      */
 148     void urlChanged(const KUrl& url);
 149
 150     /**
 151      * Is emitted if information of an item is requested to be shown e. g. in the sidebar.
 152      * If item is null, no item information request is pending.
 153      */
 154     void requestItemInfo(const KFileItem& item);
 155
 156 protected:
 157     /** @see QMainWindow::closeEvent */
 158     virtual void closeEvent(QCloseEvent* event);
 159
 160     /**
 161      * This method is called when it is time for the app to save its
 162      * properties for session management purposes.
 163      */
 164     void saveProperties(KConfig*);
 165
 166     /**
 167      * This method is called when this app is restored.  The KConfig
 168      * object points to the session management config file that was saved
 169      * with @ref saveProperties
 170      */
 171     void readProperties(KConfig*);
 172
 173 private slots:
 174     /** Updates the 'Create New...' sub menu. */
 175     void updateNewMenu();
 176
 177     /**
 178      * Let the user input a name for the selected item(s) and trigger
 179      * a renaming afterwards.
 180      */
 181     void rename();
 182
 183     /** Moves the selected items of the active view to the trash. */
 184     void moveToTrash();
 185
 186     /** Deletes the selected items of the active view. */
 187     void deleteItems();
 188
 189     /**
 190      * Opens the properties window for the selected items of the
 191      * active view. The properties windows shows information
 192      * like name, size and permissions.
 193      */
 194     void properties();
 195
 196     /**
 197      * Shows the error information from the places model
 198      * in the status bar.
 199      */
 200     void slotHandlePlacesError(const QString &message);
 201
 202     /**
 203      * Shows the error information of the job \a job
 204      * in the status bar.
 205      */
 206     void slotHandleJobError(KJob* job);
 207
 208     /**
 209      * Indicates in the status bar that the delete operation
 210      * of the job \a job has been finished.
 211      */
 212     void slotDeleteFileFinished(KJob* job);
 213
 214     /**
 215      * Updates the state of the 'Undo' menu action dependent
 216      * from the parameter \a available.
 217      */
 218     void slotUndoAvailable(bool available);
 219
 220     /** Sets the text of the 'Undo' menu action to \a text. */
 221     void slotUndoTextChanged(const QString& text);
 222
 223     /** Performs the current undo operation. */
 224     void undo();
 225
 226     /**
 227      * Copies all selected items to the clipboard and marks
 228      * the items as cutted.
 229      */
 230     void cut();
 231
 232     /** Copies all selected items to the clipboard. */
 233     void copy();
 234
 235     /** Pastes the clipboard data to the active view. */
 236     void paste();
 237
 238     /**
 239      * Updates the text of the paste action dependent from
 240      * the number of items which are in the clipboard.
 241      */
 242     void updatePasteAction();
 243
 244     /** Selects all items from the active view. */
 245     void selectAll();
 246
 247     /**
 248      * Inverts the selection of all items of the active view:
 249      * Selected items get nonselected and nonselected items get
 250      * selected.
 251      */
 252     void invertSelection();
 253
 254     /** The current active view is switched to a new view mode. */
 255     void setViewMode(QAction *);
 256
 257     /** The sorting of the current view should be done by the name. */
 258     void sortByName();
 259
 260     /** The sorting of the current view should be done by the size. */
 261     void sortBySize();
 262
 263     /** The sorting of the current view should be done by the date. */
 264     void sortByDate();
 265
 266     /** The sorting of the current view should be done by the permissions. */
 267     void sortByPermissions();
 268
 269     /** The sorting of the current view should be done by the owner. */
 270     void sortByOwner();
 271
 272     /** The sorting of the current view should be done by the group. */
 273     void sortByGroup();
 274
 275     /** The sorting of the current view should be done by the type. */
 276     void sortByType();
 277
 278     /** The sorting of the current view should be done by the rating. */
 279     void sortByRating();
 280
 281     /** The sorting of the current view should be done by tags. */
 282     void sortByTags();
 283
 284     /** Switches between an ascending and descending sorting order. */
 285     void toggleSortOrder();
 286
 287     /** Switches between sorting by categories or not. */
 288     void toggleSortCategorization();
 289
 290     /** Switches between showing the size as additional information for the item or not. */
 291     void toggleSizeInfo();
 292
 293     /** Switchtes between showing the date as additional information for the item or not. */
 294     void toggleDateInfo();
 295
 296     /** Switchtes between showing the permissions as additional information for the item or not. */
 297     void togglePermissionsInfo();
 298
 299     /** Switchtes between showing the owner as additional information for the item or not. */
 300     void toggleOwnerInfo();
 301
 302     /** Switchtes between showing the group as additional information for the item or not. */
 303     void toggleGroupInfo();
 304
 305     /** Switches between showing the MIME type as additional information for the item or not. */
 306     void toggleMimeInfo();
 307
 308     /**
 309      * Switches between one and two views:
 310      * If one view is visible, it will get split into two views.
 311      * If already two views are visible, the nonactivated view gets closed.
 312      */
 313     void toggleSplitView();
 314
 315     /** Reloads the current active view. */
 316     void reloadView();
 317
 318     /** Stops the loading process for the current active view. */
 319     void stopLoading();
 320
 321     /** Switches between showing a preview of the file content and showing the icon. */
 322     void togglePreview();
 323
 324     /**
 325      * Switches between showing and hiding of hidden marked files dependent
 326      * from the current state of the 'Show Hidden Files' menu toggle action.
 327      */
 328     void toggleShowHiddenFiles();
 329
 330     /**
 331      * Toggles between showing and hiding of the filter bar dependent
 332      * from the current state of the 'Show Filter Bar' menu toggle action.
 333      */
 334     void toggleFilterBarVisibility();
 335
 336     /** Increases the size of the current set view mode. */
 337     void zoomIn();
 338
 339     /** Decreases the size of the current set view mode. */
 340     void zoomOut();
 341
 342     /**
 343      * Toggles between edit and brose mode of the navigation bar.
 344      */
 345     void toggleEditLocation();
 346
 347     /**
 348      * Switches to the edit mode of the navigation bar. If the edit mode is
 349      * already active, it is assured that the navigation bar get focused.
 350      */
 351     void editLocation();
 352
 353     /**
 354      * Opens the view properties dialog, which allows to modify the properties
 355      * of the currently active view.
 356      */
 357     void adjustViewProperties();
 358
 359     /** Goes back on step of the URL history. */
 360     void goBack();
 361
 362     /** Goes forward one step of the URL history. */
 363     void goForward();
 364
 365     /** Goes up one hierarchy of the current URL. */
 366     void goUp();
 367
 368     /** Goes to the home URL. */
 369     void goHome();
 370
 371     /** Opens KFind for the current shown directory. */
 372     void findFile();
 373
 374     /** Opens Kompare for 2 selected files. */
 375     void compareFiles();
 376
 377     /** Opens the settings dialog for Dolphin. */
 378     void editSettings();
 379
 380     /** Updates the state of all 'View' menu actions. */
 381     void slotViewModeChanged();
 382
 383     /** Updates the state of the 'Show preview' menu action. */
 384     void slotShowPreviewChanged();
 385
 386     /** Updates the state of the 'Show hidden files' menu action. */
 387     void slotShowHiddenFilesChanged();
 388
 389     /** Updates the state of the 'Categorized sorting' menu action. */
 390     void slotCategorizedSortingChanged();
 391
 392     /** Updates the state of the 'Sort by' actions. */
 393     void slotSortingChanged(DolphinView::Sorting sorting);
 394
 395     /** Updates the state of the 'Sort Ascending/Descending' action. */
 396     void slotSortOrderChanged(Qt::SortOrder order);
 397
 398     /** Updates the state of the 'Additional Information' actions. */
 399     void slotAdditionalInfoChanged(KFileItemDelegate::InformationList info);
 400
 401     /**
 402      * Updates the state of the 'Edit' menu actions and emits
 403      * the signal selectionChanged().
 404      */
 405     void slotSelectionChanged(const KFileItemList& selection);
 406
 407     /** Emits the signal requestItemInfo(). */
 408     void slotRequestItemInfo(const KFileItem&);
 409
 410     /**
 411      * Updates the state of the 'Back' and 'Forward' menu
 412      * actions corresponding the the current history.
 413      */
 414     void slotHistoryChanged();
 415
 416     /** Updates the state of the 'Show filter bar' menu action. */
 417     void updateFilterBarAction(bool show);
 418
 419     /** Open a new main window. */
 420     void openNewMainWindow();
 421
 422     /** Toggles the active view if two views are shown within the main window. */
 423     void toggleActiveView();
 424
 425     /** Called when the view is renaming a file. */
 426     void slotRenaming();
 427
 428 private:
 429     DolphinMainWindow(int id);
 430     void init();
 431
 432     /**
 433      * Activates the given view, which means that
 434      * all menu actions are applied to this view. When
 435      * having a split view setup, the nonactive view
 436      * is usually shown in darker colors.
 437      */
 438     void setActiveViewContainer(DolphinViewContainer* view);
 439
 440     void setupActions();
 441     void setupDockWidgets();
 442     void updateHistory();
 443     void updateEditActions();
 444     void updateViewActions();
 445     void updateGoActions();
 446     void copyUrls(const KUrl::List& source, const KUrl& dest);
 447     void moveUrls(const KUrl::List& source, const KUrl& dest);
 448     void linkUrls(const KUrl::List& source, const KUrl& dest);
 449     void clearStatusBar();
 450
 451     /**
 452      * Connects the signals from the created DolphinView with
 453      * the index \a viewIndex with the corresponding slots of
 454      * the DolphinMainWindow. This method must be invoked each
 455      * time a DolphinView has been created.
 456      */
 457     void connectViewSignals(int viewIndex);
 458
 459     /**
 460      * Updates the text of the split action:
 461      * If two views are shown, the text is set to "Split",
 462      * otherwise the text is set to "Join". The icon
 463      * is updated to match with the text and the currently active view.
 464      */
 465     void updateSplitAction();
 466
 467     /**
 468      * Helper method for the slots toggleDateInfo(), toggleSizeInfo()
 469      * and toggleMimeInfo(). Applies \a info dependent from the  current
 470      * checked state of the action \a actionName to the file item delegate.
 471      */
 472     void toggleAdditionalInfo(const char* actionName,
 473                               KFileItemDelegate::Information info);
 474
 475 private:
 476     /**
 477      * DolphinMainWindow supports up to two views beside each other.
 478      */
 479     enum ViewIndex
 480     {
 481         PrimaryView = 0,   ///< View shown on the left side of the main window.
 482         SecondaryView = 1  ///< View shown on the left side of the main window.
 483     };
 484
 485     /**
 486      * Implements a custom error handling for the undo manager. This
 487      * assures that all errors are shown in the status bar of Dolphin
 488      * instead as modal error dialog with an OK button.
 489      */
 490     class UndoUiInterface : public KonqFileUndoManager::UiInterface
 491     {
 492     public:
 493         UndoUiInterface(DolphinMainWindow* mainWin);
 494         virtual ~UndoUiInterface();
 495         virtual void jobError(KIO::Job* job);
 496
 497     private:
 498         DolphinMainWindow* m_mainWin;
 499     };
 500
 501     KNewMenu* m_newMenu;
 502     QSplitter* m_splitter;
 503     DolphinViewContainer* m_activeViewContainer;
 504     int m_id;
 505
 506     DolphinViewContainer* m_viewContainer[SecondaryView + 1];
 507
 508     /// remember pending undo operations until they are finished
 509     QList<KonqFileUndoManager::CommandType> m_undoCommandTypes;
 510 };
 511
 512 inline DolphinViewContainer* DolphinMainWindow::activeViewContainer() const
 513 {
 514     return m_activeViewContainer;
 515 }
 516
 517 inline bool DolphinMainWindow::isSplit() const
 518 {
 519     return m_viewContainer[SecondaryView] != 0;
 520 }
 521
 522 inline KNewMenu* DolphinMainWindow::newMenu() const
 523 {
 524     return m_newMenu;
 525 }
 526
 527 inline int DolphinMainWindow::getId() const
 528 {
 529     return m_id;
 530 }
 531
 532 #endif // DOLPHIN_MAINWINDOW_H
 533