apps/dolphin/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
  35 #include <QtCore/QList>
  36
  37 typedef KIO::FileUndoManager::CommandType CommandType;
  38
  39 class KAction;
  40 class DolphinViewActionHandler;
  41 class DolphinApplication;
  42 class DolphinSettingsDialog;
  43 class DolphinViewContainer;
  44 class KNewMenu;
  45 class KTabBar;
  46 class KUrl;
  47 class QDropEvent;
  48 class QSplitter;
  49
  50 /**
  51  * @short Main window for Dolphin.
  52  *
  53  * Handles the menus, toolbars and Dolphin views.
  54  */
  55 class DolphinMainWindow: public KXmlGuiWindow
  56 {
  57     Q_OBJECT
  58     Q_CLASSINFO("D-Bus Interface", "org.kde.dolphin.MainWindow")
  59     Q_PROPERTY(int id READ getId SCRIPTABLE true)
  60     friend class DolphinApplication;
  61
  62 public:
  63     virtual ~DolphinMainWindow();
  64
  65     /**
  66      * Returns the currently active view.
  67      * All menu actions are applied to this view. When
  68      * having a split view setup, the nonactive view
  69      * is usually shown in darker colors.
  70      */
  71     DolphinViewContainer* activeViewContainer() const;
  72
  73     /**
  74      * Returns true, if the main window contains two instances
  75      * of a view container. The active view constainer can be
  76      * accessed by DolphinMainWindow::activeViewContainer().
  77      */
  78     bool isSplit() const;
  79
  80     /**
  81      * If the main window contains two instances of a view container
  82      * (DolphinMainWindow::isSplit() returns true), then the
  83      * two views get toggled (the right view is on the left, the left
  84      * view on the right).
  85      */
  86     void toggleViews();
  87
  88     /** Renames the item represented by \a oldUrl to \a newUrl. */
  89     void rename(const KUrl& oldUrl, const KUrl& newUrl);
  90
  91     /**
  92      * Refreshes the views of the main window by recreating them dependent from
  93      * the given Dolphin settings.
  94      */
  95     void refreshViews();
  96
  97     /**
  98      * Returns the 'Create New...' sub menu which also can be shared
  99      * with other menus (e. g. a context menu).
 100      */
 101     KNewMenu* newMenu() const;
 102
 103     /**
 104      * Returns the 'Show Menubar' action which can be shared with
 105      * other menus (e. g. a context menu).
 106      */
 107     KAction* showMenuBarAction() const;
 108
 109 public slots:
 110     /**
 111      * Pastes the clipboard data into the currently selected folder
 112      * of the active view. If not exactly one folder is selected,
 113      * no pasting is done at all.
 114      */
 115     void pasteIntoFolder();
 116
 117     /**
 118      * Returns the main window ID used through DBus.
 119      */
 120     int getId() const;
 121
 122     /**
 123      * Inform all affected dolphin components (panels, views) of an URL
 124      * change.
 125      */
 126     void changeUrl(const KUrl& url);
 127
 128     /**
 129      * Inform all affected dolphin components that a selection change is
 130      * requested.
 131      */
 132     void changeSelection(const KFileItemList& selection);
 133
 134     /** Stores all settings and quits Dolphin. */
 135     void quit();
 136
 137 signals:
 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 panel.
 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     /** @see KMainWindow::saveProperties() */
 161     virtual void saveProperties(KConfigGroup& group);
 162
 163     /** @see KMainWindow::readProperties() */
 164     virtual void readProperties(const KConfigGroup& group);
 165
 166 private slots:
 167     void clearStatusBar();
 168
 169     /** Updates the 'Create New...' sub menu. */
 170     void updateNewMenu();
 171
 172     /** Shows the error message in the status bar of the active view. */
 173     void showErrorMessage(const QString& message);
 174
 175     /**
 176      * Updates the state of the 'Undo' menu action dependent
 177      * from the parameter \a available.
 178      */
 179     void slotUndoAvailable(bool available);
 180
 181     /** Sets the text of the 'Undo' menu action to \a text. */
 182     void slotUndoTextChanged(const QString& text);
 183
 184     /** Performs the current undo operation. */
 185     void undo();
 186
 187     /**
 188      * Copies all selected items to the clipboard and marks
 189      * the items as cutted.
 190      */
 191     void cut();
 192
 193     /** Copies all selected items to the clipboard. */
 194     void copy();
 195
 196     /** Pastes the clipboard data to the active view. */
 197     void paste();
 198
 199     /**
 200      * Updates the text of the paste action dependent from
 201      * the number of items which are in the clipboard.
 202      */
 203     void updatePasteAction();
 204
 205     /** Selects all items from the active view. */
 206     void selectAll();
 207
 208     /**
 209      * Inverts the selection of all items of the active view:
 210      * Selected items get nonselected and nonselected items get
 211      * selected.
 212      */
 213     void invertSelection();
 214
 215     /**
 216      * Switches between one and two views:
 217      * If one view is visible, it will get split into two views.
 218      * If already two views are visible, the nonactivated view gets closed.
 219      */
 220     void toggleSplitView();
 221
 222     /** Reloads the current active view. */
 223     void reloadView();
 224
 225     /** Stops the loading process for the current active view. */
 226     void stopLoading();
 227
 228     /**
 229      * Toggles between showing and hiding of the filter bar
 230      */
 231     void toggleFilterBarVisibility(bool show);
 232
 233     /**
 234      * Toggles between edit and browse mode of the navigation bar.
 235      */
 236     void toggleEditLocation();
 237
 238     /**
 239      * Switches to the edit mode of the navigation bar and selects
 240      * the whole URL, so that it can be replaced by the user. If the edit mode is
 241      * already active, it is assured that the navigation bar get focused.
 242      */
 243     void replaceLocation();
 244
 245     /** Goes back on step of the URL history. */
 246     void goBack();
 247
 248     /** Goes forward one step of the URL history. */
 249     void goForward();
 250
 251     /** Goes up one hierarchy of the current URL. */
 252     void goUp();
 253
 254     /** Goes to the home URL. */
 255     void goHome();
 256
 257     /** Opens Kompare for 2 selected files. */
 258     void compareFiles();
 259
 260     /**
 261      * Initiates a preview of the selected files
 262      * on the desktop by the Previewer plasmoid.
 263      */
 264     void quickView();
 265
 266     /**
 267      * Hides the menu bar if it is visible, makes the menu bar
 268      * visible if it is hidden.
 269      */
 270     void toggleShowMenuBar();
 271
 272     /** Opens the settings dialog for Dolphin. */
 273     void editSettings();
 274
 275     /** Updates the state of the 'Show Full Location' action. */
 276     void slotEditableStateChanged(bool editable);
 277
 278     /**
 279      * Updates the state of the 'Edit' menu actions and emits
 280      * the signal selectionChanged().
 281      */
 282     void slotSelectionChanged(const KFileItemList& selection);
 283
 284     /** Emits the signal requestItemInfo(). */
 285     void slotRequestItemInfo(const KFileItem&);
 286
 287     /**
 288      * Updates the state of the 'Back' and 'Forward' menu
 289      * actions corresponding to the current history.
 290      */
 291     void updateHistory();
 292
 293     /** Updates the state of the 'Show filter bar' menu action. */
 294     void updateFilterBarAction(bool show);
 295
 296     /** Open a new main window. */
 297     void openNewMainWindow();
 298
 299     /** Opens a new view with the current URL that is part of a tab. */
 300     void openNewTab();
 301
 302     /**
 303      * Opens a new tab showing the URL \a url.
 304      */
 305     void openNewTab(const KUrl& url);
 306
 307     void activateNextTab();
 308
 309     void activatePrevTab();
 310
 311     /**
 312      * Opens the selected folder in a new tab.
 313      */
 314     void openInNewTab();
 315
 316     /**
 317      * Opens the selected folder in a new window.
 318      */
 319     void openInNewWindow();
 320
 321     /** Toggles the active view if two views are shown within the main window. */
 322     void toggleActiveView();
 323
 324     /**
 325      * Indicates in the statusbar that the execution of the command \a command
 326      * has been finished.
 327      */
 328     void showCommand(CommandType command);
 329
 330     /**
 331      * Activates the tab with the index \a index, which means that the current view
 332      * is replaced by the view of the given tab.
 333      */
 334     void setActiveTab(int index);
 335
 336     /** Closes the currently active tab. */
 337     void closeTab();
 338
 339     /**
 340      * Closes the tab with the index \index and activates the tab with index - 1.
 341      */
 342     void closeTab(int index);
 343
 344     /**
 345      * Opens a context menu for the tab with the index \a index
 346      * on the position \a pos.
 347      */
 348     void openTabContextMenu(int index, const QPoint& pos);
 349
 350     /**
 351      * Handles a click on a places item: if the middle mouse button is
 352      * clicked, a new tab is opened for \a url, otherwise the current
 353      * view is replaced by \a url.
 354      */
 355     void handlePlacesClick(const KUrl& url, Qt::MouseButtons buttons);
 356
 357     /**
 358      * Is connected to the KTabBar signal testCanDecode() and adjusts
 359      * the output parameter \a accept.
 360      */
 361     void slotTestCanDecode(const QDragMoveEvent* event, bool& accept);
 362
 363 private:
 364     DolphinMainWindow(int id);
 365     void init();
 366
 367     /**
 368      * Activates the given view, which means that
 369      * all menu actions are applied to this view. When
 370      * having a split view setup, the nonactive view
 371      * is usually shown in darker colors.
 372      */
 373     void setActiveViewContainer(DolphinViewContainer* view);
 374
 375     void setupActions();
 376     void setupDockWidgets();
 377     void updateEditActions();
 378     void updateViewActions();
 379     void updateGoActions();
 380
 381     /**
 382      * Connects the signals from the created DolphinView with
 383      * the DolphinViewContainer \a container with the corresponding slots of
 384      * the DolphinMainWindow. This method must be invoked each
 385      * time a DolphinView has been created.
 386      */
 387     void connectViewSignals(DolphinViewContainer* container);
 388
 389     /**
 390      * Updates the text of the split action:
 391      * If two views are shown, the text is set to "Split",
 392      * otherwise the text is set to "Join". The icon
 393      * is updated to match with the text and the currently active view.
 394      */
 395     void updateSplitAction();
 396
 397     /** Returns the name of the tab for the URL \a url. */
 398     QString tabName(const KUrl& url) const;
 399
 400     bool isKompareInstalled() const;
 401
 402     void createSecondaryView(int tabIndex);
 403
 404 private:
 405     /**
 406      * Implements a custom error handling for the undo manager. This
 407      * assures that all errors are shown in the status bar of Dolphin
 408      * instead as modal error dialog with an OK button.
 409      */
 410     class UndoUiInterface : public KIO::FileUndoManager::UiInterface
 411     {
 412     public:
 413         UndoUiInterface();
 414         virtual ~UndoUiInterface();
 415         virtual void jobError(KIO::Job* job);
 416     };
 417
 418     KNewMenu* m_newMenu;
 419     KAction* m_showMenuBar;
 420     KTabBar* m_tabBar;
 421     DolphinViewContainer* m_activeViewContainer;
 422     QVBoxLayout* m_centralWidgetLayout;
 423     int m_id;
 424
 425     struct ViewTab
 426     {
 427         ViewTab() : isPrimaryViewActive(true), primaryView(0), secondaryView(0), splitter(0) {}
 428         bool isPrimaryViewActive;
 429         DolphinViewContainer* primaryView;
 430         DolphinViewContainer* secondaryView;
 431         QSplitter* splitter;
 432     };
 433
 434     int m_tabIndex;
 435     QList<ViewTab> m_viewTab;
 436
 437     DolphinViewActionHandler* m_actionHandler;
 438     QPointer<DolphinSettingsDialog> m_settingsDialog;
 439 };
 440
 441 inline DolphinViewContainer* DolphinMainWindow::activeViewContainer() const
 442 {
 443     return m_activeViewContainer;
 444 }
 445
 446 inline bool DolphinMainWindow::isSplit() const
 447 {
 448     return m_viewTab[m_tabIndex].secondaryView != 0;
 449 }
 450
 451 inline KNewMenu* DolphinMainWindow::newMenu() const
 452 {
 453     return m_newMenu;
 454 }
 455
 456 inline KAction* DolphinMainWindow::showMenuBarAction() const
 457 {
 458     return m_showMenuBar;
 459 }
 460
 461 inline int DolphinMainWindow::getId() const
 462 {
 463     return m_id;
 464 }
 465
 466 #endif // DOLPHIN_MAINWINDOW_H
 467