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 KAction;
  38 class DolphinViewActionHandler;
  39 class DolphinApplication;
  40 class DolphinViewContainer;
  41 class KNewMenu;
  42 class KUrl;
  43 class QSplitter;
  44
  45 /**
  46  * @short Main window for Dolphin.
  47  *
  48  * Handles the menus, toolbars and Dolphin views.
  49  */
  50 class DolphinMainWindow: public KXmlGuiWindow
  51 {
  52     Q_OBJECT
  53     Q_CLASSINFO("D-Bus Interface", "org.kde.dolphin.MainWindow")
  54     Q_PROPERTY(int id READ getId SCRIPTABLE true)
  55     friend class DolphinApplication;
  56
  57 public:
  58     virtual ~DolphinMainWindow();
  59
  60     /**
  61      * Returns the currently active view.
  62      * All menu actions are applied to this view. When
  63      * having a split view setup, the nonactive view
  64      * is usually shown in darker colors.
  65      */
  66     DolphinViewContainer* activeViewContainer() const;
  67
  68     /**
  69      * Returns true, if the main window contains two instances
  70      * of a view container. The active view constainer can be
  71      * accessed by DolphinMainWindow::activeViewContainer().
  72      */
  73     bool isSplit() const;
  74
  75     /**
  76      * If the main window contains two instances of a view container
  77      * (DolphinMainWindow::isSplit() returns true), then the
  78      * two views get toggled (the right view is on the left, the left
  79      * view on the right).
  80      */
  81     void toggleViews();
  82
  83     /** Renames the item represented by \a oldUrl to \a newUrl. */
  84     void rename(const KUrl& oldUrl, const KUrl& newUrl);
  85
  86     /**
  87      * Refreshes the views of the main window by recreating them dependent from
  88      * the given Dolphin settings.
  89      */
  90     void refreshViews();
  91
  92     /**
  93      * Returns the 'Create New...' sub menu which also can be shared
  94      * with other menus (e. g. a context menu).
  95      */
  96     KNewMenu* newMenu() const;
  97
  98     /**
  99      * Returns the 'Show Menubar' action which can be shared with
 100      * other menus (e. g. a context menu).
 101      */
 102     KAction* showMenuBarAction() const;
 103
 104 public slots:
 105     /**
 106      * Handles the dropping of URLs to the given
 107      * destination. This is only called by the TreeViewSidebarPage.
 108      */
 109     void dropUrls(const KUrl::List& urls,
 110                   const KUrl& destination);
 111
 112     /**
 113      * Returns the main window ID used through DBus.
 114      */
 115     int getId() const;
 116
 117     /**
 118      * Inform all affected dolphin components (sidebars, views) of an URL
 119      * change.
 120      */
 121     void changeUrl(const KUrl& url);
 122
 123     /**
 124      * Inform all affected dolphin components that a selection change is
 125      * requested.
 126      */
 127     void changeSelection(const KFileItemList& selection);
 128
 129     /** Stores all settings and quits Dolphin. */
 130     void quit();
 131
 132 signals:
 133     /**
 134      * Is send if the active view has been changed in
 135      * the split view mode.
 136      */
 137     void activeViewChanged();
 138
 139     /**
 140      * Is sent if the selection of the currently active view has
 141      * been changed.
 142      */
 143     void selectionChanged(const KFileItemList& selection);
 144
 145     /**
 146      * Is sent if the url of the currently active view has
 147      * been changed.
 148      */
 149     void urlChanged(const KUrl& url);
 150
 151     /**
 152      * Is emitted if information of an item is requested to be shown e. g. in the sidebar.
 153      * If item is null, no item information request is pending.
 154      */
 155     void requestItemInfo(const KFileItem& item);
 156
 157 protected:
 158     /** @see QMainWindow::closeEvent() */
 159     virtual void closeEvent(QCloseEvent* event);
 160
 161     /** @see KMainWindow::saveProperties() */
 162     virtual void saveProperties(KConfigGroup& group);
 163
 164     /** @see KMainWindow::readProperties() */
 165     virtual void readProperties(const KConfigGroup& group);
 166
 167 private slots:
 168     void clearStatusBar();
 169
 170     /** Updates the 'Create New...' sub menu. */
 171     void updateNewMenu();
 172
 173     /**
 174      * Opens the properties window for the selected items of the
 175      * active view. The properties windows shows information
 176      * like name, size and permissions.
 177      */
 178     void properties();
 179
 180     /**
 181      * Shows the error information from the places model
 182      * in the status bar.
 183      */
 184     void slotHandlePlacesError(const QString &message);
 185
 186     /**
 187      * Updates the state of the 'Undo' menu action dependent
 188      * from the parameter \a available.
 189      */
 190     void slotUndoAvailable(bool available);
 191
 192     /** Sets the text of the 'Undo' menu action to \a text. */
 193     void slotUndoTextChanged(const QString& text);
 194
 195     /** Performs the current undo operation. */
 196     void undo();
 197
 198     /**
 199      * Copies all selected items to the clipboard and marks
 200      * the items as cutted.
 201      */
 202     void cut();
 203
 204     /** Copies all selected items to the clipboard. */
 205     void copy();
 206
 207     /** Pastes the clipboard data to the active view. */
 208     void paste();
 209
 210     /**
 211      * Updates the text of the paste action dependent from
 212      * the number of items which are in the clipboard.
 213      */
 214     void updatePasteAction();
 215
 216     /** Selects all items from the active view. */
 217     void selectAll();
 218
 219     /**
 220      * Inverts the selection of all items of the active view:
 221      * Selected items get nonselected and nonselected items get
 222      * selected.
 223      */
 224     void invertSelection();
 225
 226     /**
 227      * Switches between one and two views:
 228      * If one view is visible, it will get split into two views.
 229      * If already two views are visible, the nonactivated view gets closed.
 230      */
 231     void toggleSplitView();
 232
 233     /** Reloads the current active view. */
 234     void reloadView();
 235
 236     /** Stops the loading process for the current active view. */
 237     void stopLoading();
 238
 239     /**
 240      * Toggles between showing and hiding of the filter bar
 241      */
 242     void toggleFilterBarVisibility(bool show);
 243
 244     /**
 245      * Toggles between edit and browse mode of the navigation bar.
 246      */
 247     void toggleEditLocation();
 248
 249     /**
 250      * Switches to the edit mode of the navigation bar. If the edit mode is
 251      * already active, it is assured that the navigation bar get focused.
 252      */
 253     void editLocation();
 254
 255     /**
 256      * Opens the view properties dialog, which allows to modify the properties
 257      * of the currently active view.
 258      */
 259     void adjustViewProperties();
 260
 261     /** Goes back on step of the URL history. */
 262     void goBack();
 263
 264     /** Goes forward one step of the URL history. */
 265     void goForward();
 266
 267     /** Goes up one hierarchy of the current URL. */
 268     void goUp();
 269
 270     /** Goes to the home URL. */
 271     void goHome();
 272
 273     /** Opens KFind for the current shown directory. */
 274     void findFile();
 275
 276     /** Opens Kompare for 2 selected files. */
 277     void compareFiles();
 278
 279     /**
 280      * Hides the menu bar if it is visible, makes the menu bar
 281      * visible if it is hidden.
 282      */
 283     void toggleShowMenuBar();
 284
 285     /** Opens the settings dialog for Dolphin. */
 286     void editSettings();
 287
 288     /** Updates the state of the 'Show Full Location' action. */
 289     void slotEditableStateChanged(bool editable);
 290
 291     /**
 292      * Updates the state of the 'Edit' menu actions and emits
 293      * the signal selectionChanged().
 294      */
 295     void slotSelectionChanged(const KFileItemList& selection);
 296
 297     /** Emits the signal requestItemInfo(). */
 298     void slotRequestItemInfo(const KFileItem&);
 299
 300     /**
 301      * Updates the state of the 'Back' and 'Forward' menu
 302      * actions corresponding the the current history.
 303      */
 304     void updateHistory();
 305
 306     /** Updates the state of the 'Show filter bar' menu action. */
 307     void updateFilterBarAction(bool show);
 308
 309     /** Open a new main window. */
 310     void openNewMainWindow();
 311
 312     /** Toggles the active view if two views are shown within the main window. */
 313     void toggleActiveView();
 314
 315     /** Called when the view is doing a file operation, like renaming, copying, moving etc. */
 316     void slotDoingOperation(KonqFileUndoManager::CommandType type);
 317
 318 private:
 319     DolphinMainWindow(int id);
 320     void init();
 321
 322     /**
 323      * Activates the given view, which means that
 324      * all menu actions are applied to this view. When
 325      * having a split view setup, the nonactive view
 326      * is usually shown in darker colors.
 327      */
 328     void setActiveViewContainer(DolphinViewContainer* view);
 329
 330     void setupActions();
 331     void setupDockWidgets();
 332     void updateEditActions();
 333     void updateViewActions();
 334     void updateGoActions();
 335
 336     /**
 337      * Connects the signals from the created DolphinView with
 338      * the index \a viewIndex with the corresponding slots of
 339      * the DolphinMainWindow. This method must be invoked each
 340      * time a DolphinView has been created.
 341      */
 342     void connectViewSignals(int viewIndex);
 343
 344     /**
 345      * Updates the text of the split action:
 346      * If two views are shown, the text is set to "Split",
 347      * otherwise the text is set to "Join". The icon
 348      * is updated to match with the text and the currently active view.
 349      */
 350     void updateSplitAction();
 351
 352 private:
 353     /**
 354      * DolphinMainWindow supports up to two views beside each other.
 355      */
 356     enum ViewIndex
 357     {
 358         PrimaryView = 0,   ///< View shown on the left side of the main window.
 359         SecondaryView = 1  ///< View shown on the left side of the main window.
 360     };
 361
 362     /**
 363      * Implements a custom error handling for the undo manager. This
 364      * assures that all errors are shown in the status bar of Dolphin
 365      * instead as modal error dialog with an OK button.
 366      */
 367     class UndoUiInterface : public KonqFileUndoManager::UiInterface
 368     {
 369     public:
 370         UndoUiInterface(DolphinMainWindow* mainWin);
 371         virtual ~UndoUiInterface();
 372         virtual void jobError(KIO::Job* job);
 373
 374     private:
 375         DolphinMainWindow* m_mainWin;
 376     };
 377
 378     KNewMenu* m_newMenu;
 379     KAction* m_showMenuBar;
 380     QSplitter* m_splitter;
 381     DolphinViewContainer* m_activeViewContainer;
 382     int m_id;
 383
 384     DolphinViewContainer* m_viewContainer[SecondaryView + 1];
 385
 386     DolphinViewActionHandler* m_actionHandler;
 387
 388     /// remember pending undo operations until they are finished
 389     QList<KonqFileUndoManager::CommandType> m_undoCommandTypes;
 390 };
 391
 392 inline DolphinViewContainer* DolphinMainWindow::activeViewContainer() const
 393 {
 394     return m_activeViewContainer;
 395 }
 396
 397 inline bool DolphinMainWindow::isSplit() const
 398 {
 399     return m_viewContainer[SecondaryView] != 0;
 400 }
 401
 402 inline KNewMenu* DolphinMainWindow::newMenu() const
 403 {
 404     return m_newMenu;
 405 }
 406
 407 inline KAction* DolphinMainWindow::showMenuBarAction() const
 408 {
 409     return m_showMenuBar;
 410 }
 411
 412 inline int DolphinMainWindow::getId() const
 413 {
 414     return m_id;
 415 }
 416
 417 #endif // DOLPHIN_MAINWINDOW_H
 418