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 DolphinSettingsDialog;
  45 class DolphinViewContainer;
  46 class KNewMenu;
  47 class KTabBar;
  48 class KUrl;
  49 class QDropEvent;
  50 class QSplitter;
  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     virtual ~DolphinMainWindow();
  66
  67     /**
  68      * Returns the currently active view.
  69      * All menu actions are applied to this view. When
  70      * having a split view setup, the nonactive view
  71      * is usually shown in darker colors.
  72      */
  73     DolphinViewContainer* activeViewContainer() const;
  74
  75     /**
  76      * Returns true, if the main window contains two instances
  77      * of a view container. The active view constainer can be
  78      * accessed by DolphinMainWindow::activeViewContainer().
  79      */
  80     bool isSplit() const;
  81
  82     /**
  83      * If the main window contains two instances of a view container
  84      * (DolphinMainWindow::isSplit() returns true), then the
  85      * two views get toggled (the right view is on the left, the left
  86      * view on the right).
  87      */
  88     void toggleViews();
  89
  90     /** Renames the item represented by \a oldUrl to \a newUrl. */
  91     void rename(const KUrl& oldUrl, const KUrl& newUrl);
  92
  93     /**
  94      * Refreshes the views of the main window by recreating them dependent from
  95      * the given Dolphin settings.
  96      */
  97     void refreshViews();
  98
  99     /**
 100      * Returns the 'Create New...' sub menu which also can be shared
 101      * with other menus (e. g. a context menu).
 102      */
 103     KNewMenu* newMenu() const;
 104
 105     /**
 106      * Returns the 'Show Menubar' action which can be shared with
 107      * other menus (e. g. a context menu).
 108      */
 109     KAction* showMenuBarAction() const;
 110
 111 public slots:
 112     /**
 113      * Pastes the clipboard data into the currently selected folder
 114      * of the active view. If not exactly one folder is selected,
 115      * no pasting is done at all.
 116      */
 117     void pasteIntoFolder();
 118
 119     /**
 120      * Returns the main window ID used through DBus.
 121      */
 122     int getId() const;
 123
 124     /**
 125      * Inform all affected dolphin components (panels, views) of an URL
 126      * change.
 127      */
 128     void changeUrl(const KUrl& url);
 129
 130     /**
 131      * Inform all affected dolphin components that a selection change is
 132      * requested.
 133      */
 134     void changeSelection(const KFileItemList& selection);
 135
 136     /** Stores all settings and quits Dolphin. */
 137     void quit();
 138
 139 signals:
 140     /**
 141      * Is sent if the selection of the currently active view has
 142      * been changed.
 143      */
 144     void selectionChanged(const KFileItemList& selection);
 145
 146     /**
 147      * Is sent if the url of the currently active view has
 148      * been changed.
 149      */
 150     void urlChanged(const KUrl& url);
 151
 152     /**
 153      * Is emitted if information of an item is requested to be shown e. g. in the panel.
 154      * If item is null, no item information request is pending.
 155      */
 156     void requestItemInfo(const KFileItem& item);
 157
 158 protected:
 159     /** @see QMainWindow::closeEvent() */
 160     virtual void closeEvent(QCloseEvent* event);
 161
 162     /** @see KMainWindow::saveProperties() */
 163     virtual void saveProperties(KConfigGroup& group);
 164
 165     /** @see KMainWindow::readProperties() */
 166     virtual void readProperties(const KConfigGroup& group);
 167
 168 private slots:
 169     void clearStatusBar();
 170
 171     /** Updates the 'Create New...' sub menu. */
 172     void updateNewMenu();
 173
 174     /** Shows the error message in the status bar of the active view. */
 175     void showErrorMessage(const QString& message);
 176
 177     /**
 178      * Updates the state of the 'Undo' menu action dependent
 179      * from the parameter \a available.
 180      */
 181     void slotUndoAvailable(bool available);
 182
 183     /** Invoked when an action in the recent tabs menu is clicked. */
 184     void restoreClosedTab(QAction* action);
 185
 186     /** Sets the text of the 'Undo' menu action to \a text. */
 187     void slotUndoTextChanged(const QString& text);
 188
 189     /** Performs the current undo operation. */
 190     void undo();
 191
 192     /**
 193      * Copies all selected items to the clipboard and marks
 194      * the items as cutted.
 195      */
 196     void cut();
 197
 198     /** Copies all selected items to the clipboard. */
 199     void copy();
 200
 201     /** Pastes the clipboard data to the active view. */
 202     void paste();
 203
 204     /**
 205      * Updates the text of the paste action dependent from
 206      * the number of items which are in the clipboard.
 207      */
 208     void updatePasteAction();
 209
 210     /** Selects all items from the active view. */
 211     void selectAll();
 212
 213     /**
 214      * Inverts the selection of all items of the active view:
 215      * Selected items get nonselected and nonselected items get
 216      * selected.
 217      */
 218     void invertSelection();
 219
 220     /**
 221      * Switches between one and two views:
 222      * If one view is visible, it will get split into two views.
 223      * If already two views are visible, the nonactivated view gets closed.
 224      */
 225     void toggleSplitView();
 226
 227     /** Reloads the current active view. */
 228     void reloadView();
 229
 230     /** Stops the loading process for the current active view. */
 231     void stopLoading();
 232
 233     /**
 234      * Toggles between showing and hiding of the filter bar
 235      */
 236     void toggleFilterBarVisibility(bool show);
 237
 238     /**
 239      * Toggles between edit and browse mode of the navigation bar.
 240      */
 241     void toggleEditLocation();
 242
 243     /**
 244      * Switches to the edit mode of the navigation bar and selects
 245      * the whole URL, so that it can be replaced by the user. If the edit mode is
 246      * already active, it is assured that the navigation bar get focused.
 247      */
 248     void replaceLocation();
 249
 250     /** Goes back on step of the URL history. */
 251     void goBack();
 252
 253     /** Goes forward one step of the URL history. */
 254     void goForward();
 255
 256     /** Goes up one hierarchy of the current URL. */
 257     void goUp();
 258
 259     /** Goes to the home URL. */
 260     void goHome();
 261
 262     /** Opens Kompare for 2 selected files. */
 263     void compareFiles();
 264
 265     /**
 266      * Initiates a preview of the selected files
 267      * on the desktop by the Previewer plasmoid.
 268      */
 269     void quickView();
 270
 271     /**
 272      * Hides the menu bar if it is visible, makes the menu bar
 273      * visible if it is hidden.
 274      */
 275     void toggleShowMenuBar();
 276
 277     /** Opens the settings dialog for Dolphin. */
 278     void editSettings();
 279
 280     /** Updates the state of the 'Show Full Location' action. */
 281     void slotEditableStateChanged(bool editable);
 282
 283     /**
 284      * Updates the state of the 'Edit' menu actions and emits
 285      * the signal selectionChanged().
 286      */
 287     void slotSelectionChanged(const KFileItemList& selection);
 288
 289     /** Enables changing of tabs via mouse wheel. */
 290     void slotWheelMoved(int wheelDelta);
 291
 292     /** Emits the signal requestItemInfo(). */
 293     void slotRequestItemInfo(const KFileItem&);
 294
 295     /**
 296      * Updates the state of the 'Back' and 'Forward' menu
 297      * actions corresponding to the current history.
 298      */
 299     void updateHistory();
 300
 301     /** Updates the state of the 'Show filter bar' menu action. */
 302     void updateFilterBarAction(bool show);
 303
 304     /** Open a new main window. */
 305     void openNewMainWindow();
 306
 307     /** Opens a new view with the current URL that is part of a tab. */
 308     void openNewTab();
 309
 310     /**
 311      * Opens a new tab showing the URL \a url.
 312      */
 313     void openNewTab(const KUrl& url);
 314
 315     void activateNextTab();
 316
 317     void activatePrevTab();
 318
 319     /**
 320      * Opens the selected folder in a new tab.
 321      */
 322     void openInNewTab();
 323
 324     /**
 325      * Opens the selected folder in a new window.
 326      */
 327     void openInNewWindow();
 328
 329     /** Toggles the active view if two views are shown within the main window. */
 330     void toggleActiveView();
 331
 332     /**
 333      * Indicates in the statusbar that the execution of the command \a command
 334      * has been finished.
 335      */
 336     void showCommand(CommandType command);
 337
 338     /**
 339      * Activates the tab with the index \a index, which means that the current view
 340      * is replaced by the view of the given tab.
 341      */
 342     void setActiveTab(int index);
 343
 344     /** Closes the currently active tab. */
 345     void closeTab();
 346
 347     /**
 348      * Closes the tab with the index \index and activates the tab with index - 1.
 349      */
 350     void closeTab(int index);
 351
 352
 353     /**
 354      * Opens a context menu for the tab with the index \a index
 355      * on the position \a pos.
 356      */
 357     void openTabContextMenu(int index, const QPoint& pos);
 358
 359     /**
 360      * Handles a click on a places item: if the middle mouse button is
 361      * clicked, a new tab is opened for \a url, otherwise the current
 362      * view is replaced by \a url.
 363      */
 364     void handlePlacesClick(const KUrl& url, Qt::MouseButtons buttons);
 365
 366     /**
 367      * Is connected to the KTabBar signal testCanDecode() and adjusts
 368      * the output parameter \a accept.
 369      */
 370     void slotTestCanDecode(const QDragMoveEvent* event, bool& accept);
 371
 372     /**
 373      * Is connected with the Dolphin search box and searchs items that
 374      * match to the text entered in the search bar.
 375      */
 376     void searchItems(const KUrl& url);
 377
 378 private:
 379     DolphinMainWindow(int id);
 380     void init();
 381
 382     /**
 383      * Activates the given view, which means that
 384      * all menu actions are applied to this view. When
 385      * having a split view setup, the nonactive view
 386      * is usually shown in darker colors.
 387      */
 388     void setActiveViewContainer(DolphinViewContainer* view);
 389
 390     void setupActions();
 391     void setupDockWidgets();
 392     void updateEditActions();
 393     void updateViewActions();
 394     void updateGoActions();
 395
 396     /**
 397      * Adds the tab[\a index] to the closed tab menu's list of actions.
 398      */
 399     void rememberClosedTab(int index);
 400
 401     /**
 402      * Connects the signals from the created DolphinView with
 403      * the DolphinViewContainer \a container with the corresponding slots of
 404      * the DolphinMainWindow. This method must be invoked each
 405      * time a DolphinView has been created.
 406      */
 407     void connectViewSignals(DolphinViewContainer* container);
 408
 409     /**
 410      * Updates the text of the split action:
 411      * If two views are shown, the text is set to "Split",
 412      * otherwise the text is set to "Join". The icon
 413      * is updated to match with the text and the currently active view.
 414      */
 415     void updateSplitAction();
 416
 417     /** Returns the name of the tab for the URL \a url. */
 418     QString tabName(const KUrl& url) const;
 419
 420     bool isKompareInstalled() const;
 421
 422     void createSecondaryView(int tabIndex);
 423
 424 private:
 425     /**
 426      * Implements a custom error handling for the undo manager. This
 427      * assures that all errors are shown in the status bar of Dolphin
 428      * instead as modal error dialog with an OK button.
 429      */
 430     class UndoUiInterface : public KIO::FileUndoManager::UiInterface
 431     {
 432     public:
 433         UndoUiInterface();
 434         virtual ~UndoUiInterface();
 435         virtual void jobError(KIO::Job* job);
 436     };
 437
 438     KNewMenu* m_newMenu;
 439     KActionMenu* m_recentTabsMenu;
 440     KAction* m_showMenuBar;
 441     KTabBar* m_tabBar;
 442     DolphinViewContainer* m_activeViewContainer;
 443     QVBoxLayout* m_centralWidgetLayout;
 444     DolphinSearchBox* m_searchBox;
 445     int m_id;
 446
 447     struct ViewTab
 448     {
 449         ViewTab() : isPrimaryViewActive(true), primaryView(0), secondaryView(0), splitter(0) {}
 450         bool isPrimaryViewActive;
 451         DolphinViewContainer* primaryView;
 452         DolphinViewContainer* secondaryView;
 453         QSplitter* splitter;
 454     };
 455
 456     int m_tabIndex;
 457     QList<ViewTab> m_viewTab;
 458
 459     DolphinViewActionHandler* m_actionHandler;
 460     QPointer<DolphinSettingsDialog> m_settingsDialog;
 461 };
 462
 463
 464 inline DolphinViewContainer* DolphinMainWindow::activeViewContainer() const
 465 {
 466     return m_activeViewContainer;
 467 }
 468
 469 inline bool DolphinMainWindow::isSplit() const
 470 {
 471     return m_viewTab[m_tabIndex].secondaryView != 0;
 472 }
 473
 474 inline KNewMenu* DolphinMainWindow::newMenu() const
 475 {
 476     return m_newMenu;
 477 }
 478
 479 inline KAction* DolphinMainWindow::showMenuBarAction() const
 480 {
 481     return m_showMenuBar;
 482 }
 483
 484 inline int DolphinMainWindow::getId() const
 485 {
 486     return m_id;
 487 }
 488
 489 #endif // DOLPHIN_MAINWINDOW_H
 490