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 KNewMenu;
  49 class KTabBar;
  50 class KUrl;
  51 class QSplitter;
  52
  53 /**
  54  * @short Main window for Dolphin.
  55  *
  56  * Handles the menus, toolbars and Dolphin views.
  57  */
  58 class DolphinMainWindow: public KXmlGuiWindow
  59 {
  60     Q_OBJECT
  61     Q_CLASSINFO("D-Bus Interface", "org.kde.dolphin.MainWindow")
  62     Q_PROPERTY(int id READ getId SCRIPTABLE true)
  63     friend class DolphinApplication;
  64
  65 public:
  66     virtual ~DolphinMainWindow();
  67
  68     /**
  69      * Returns the currently active view.
  70      * All menu actions are applied to this view. When
  71      * having a split view setup, the nonactive view
  72      * is usually shown in darker colors.
  73      */
  74     DolphinViewContainer* activeViewContainer() const;
  75
  76     /**
  77      * Returns true, if the main window contains two instances
  78      * of a view container. The active view constainer can be
  79      * accessed by DolphinMainWindow::activeViewContainer().
  80      */
  81     bool isSplit() const;
  82
  83     /**
  84      * If the main window contains two instances of a view container
  85      * (DolphinMainWindow::isSplit() returns true), then the
  86      * two views get toggled (the right view is on the left, the left
  87      * view on the right).
  88      */
  89     void toggleViews();
  90
  91     /** Renames the item represented by \a oldUrl to \a newUrl. */
  92     void rename(const KUrl& oldUrl, const KUrl& newUrl);
  93
  94     /**
  95      * Refreshes the views of the main window by recreating them dependent from
  96      * the given Dolphin settings.
  97      */
  98     void refreshViews();
  99
 100     /**
 101      * Returns the 'Create New...' sub menu which also can be shared
 102      * with other menus (e. g. a context menu).
 103      */
 104     KNewMenu* newMenu() const;
 105
 106     /**
 107      * Returns the 'Show Menubar' action which can be shared with
 108      * other menus (e. g. a context menu).
 109      */
 110     KAction* showMenuBarAction() const;
 111
 112 public slots:
 113     /**
 114      * Pastes the clipboard data into the currently selected folder
 115      * of the active view. If not exactly one folder is selected,
 116      * no pasting is done at all.
 117      */
 118     void pasteIntoFolder();
 119
 120     /**
 121      * Returns the main window ID used through DBus.
 122      */
 123     int getId() const;
 124
 125     /**
 126      * Inform all affected dolphin components (panels, views) of an URL
 127      * change.
 128      */
 129     void changeUrl(const KUrl& url);
 130
 131     /**
 132      * Inform all affected dolphin components that a selection change is
 133      * requested.
 134      */
 135     void changeSelection(const KFileItemList& selection);
 136
 137     /** Stores all settings and quits Dolphin. */
 138     void quit();
 139
 140 signals:
 141     /**
 142      * Is sent if the selection of the currently active view has
 143      * been changed.
 144      */
 145     void selectionChanged(const KFileItemList& selection);
 146
 147     /**
 148      * Is sent if the url of the currently active view has
 149      * been changed.
 150      */
 151     void urlChanged(const KUrl& url);
 152
 153     /**
 154      * Is emitted if information of an item is requested to be shown e. g. in the panel.
 155      * If item is null, no item information request is pending.
 156      */
 157     void requestItemInfo(const KFileItem& item);
 158
 159 protected:
 160     /** @see QMainWindow::closeEvent() */
 161     virtual void closeEvent(QCloseEvent* event);
 162
 163     /** @see KMainWindow::saveProperties() */
 164     virtual void saveProperties(KConfigGroup& group);
 165
 166     /** @see KMainWindow::readProperties() */
 167     virtual void readProperties(const KConfigGroup& group);
 168
 169 private slots:
 170     void clearStatusBar();
 171
 172     /** Updates the 'Create New...' sub menu. */
 173     void updateNewMenu();
 174
 175     void createDirectory();
 176
 177     /** Shows the error message in the status bar of the active view. */
 178     void showErrorMessage(const QString& message);
 179
 180     /**
 181      * Updates the state of the 'Undo' menu action dependent
 182      * from the parameter \a available.
 183      */
 184     void slotUndoAvailable(bool available);
 185
 186     /** Invoked when an action in the recent tabs menu is clicked. */
 187     void restoreClosedTab(QAction* action);
 188
 189     /** Sets the text of the 'Undo' menu action to \a text. */
 190     void slotUndoTextChanged(const QString& text);
 191
 192     /** Performs the current undo operation. */
 193     void undo();
 194
 195     /**
 196      * Copies all selected items to the clipboard and marks
 197      * the items as cut.
 198      */
 199     void cut();
 200
 201     /** Copies all selected items to the clipboard. */
 202     void copy();
 203
 204     /** Pastes the clipboard data to the active view. */
 205     void paste();
 206
 207     /**
 208      * Updates the text of the paste action dependent from
 209      * the number of items which are in the clipboard.
 210      */
 211     void updatePasteAction();
 212
 213     /** Selects all items from the active view. */
 214     void selectAll();
 215
 216     /**
 217      * Inverts the selection of all items of the active view:
 218      * Selected items get nonselected and nonselected items get
 219      * selected.
 220      */
 221     void invertSelection();
 222
 223     /**
 224      * Switches between one and two views:
 225      * If one view is visible, it will get split into two views.
 226      * If already two views are visible, the nonactivated view gets closed.
 227      */
 228     void toggleSplitView();
 229
 230     /** Reloads the current active view. */
 231     void reloadView();
 232
 233     /** Stops the loading process for the current active view. */
 234     void stopLoading();
 235
 236     /**
 237      * Toggles between showing and hiding of the filter bar
 238      */
 239     void toggleFilterBarVisibility(bool show);
 240
 241     /**
 242      * Toggles between edit and browse mode of the navigation bar.
 243      */
 244     void toggleEditLocation();
 245
 246     /**
 247      * Switches to the edit mode of the navigation bar and selects
 248      * the whole URL, so that it can be replaced by the user. If the edit mode is
 249      * already active, it is assured that the navigation bar get focused.
 250      */
 251     void replaceLocation();
 252
 253     /** Goes back on step of the URL history. */
 254     void goBack();
 255
 256     /** Goes forward one step of the URL history. */
 257     void goForward();
 258
 259     /** Goes up one hierarchy of the current URL. */
 260     void goUp();
 261
 262     /**
 263      * Open the previous URL in the URL history in a new tab
 264      * if the middle mouse button is clicked.
 265      */
 266     void goBack(Qt::MouseButtons buttons);
 267
 268     /**
 269      * Open the next URL in the URL history in a new tab
 270      * if the middle mouse button is clicked.
 271      */
 272     void goForward(Qt::MouseButtons buttons);
 273
 274     /**
 275      * Open the URL one hierarchy above the current URL in a new tab
 276      * if the middle mouse button is clicked.
 277      */
 278     void goUp(Qt::MouseButtons buttons);
 279
 280     /** Goes to the home URL. */
 281     void goHome();
 282
 283     /** Opens Kompare for 2 selected files. */
 284     void compareFiles();
 285
 286     /**
 287      * Hides the menu bar if it is visible, makes the menu bar
 288      * visible if it is hidden.
 289      */
 290     void toggleShowMenuBar();
 291
 292     /** Opens a terminal window for the current location. */
 293     void openTerminal();
 294
 295     /** Opens the settings dialog for Dolphin. */
 296     void editSettings();
 297
 298     /** Updates the state of the 'Show Full Location' action. */
 299     void slotEditableStateChanged(bool editable);
 300
 301     /**
 302      * Updates the state of the 'Edit' menu actions and emits
 303      * the signal selectionChanged().
 304      */
 305     void slotSelectionChanged(const KFileItemList& selection);
 306
 307     /** Enables changing of tabs via mouse wheel. */
 308     void slotWheelMoved(int wheelDelta);
 309
 310     /** Emits the signal requestItemInfo(). */
 311     void slotRequestItemInfo(const KFileItem&);
 312
 313     /**
 314      * Updates the state of the 'Back' and 'Forward' menu
 315      * actions corresponding to the current history.
 316      */
 317     void updateHistory();
 318
 319     /** Updates the state of the 'Show filter bar' menu action. */
 320     void updateFilterBarAction(bool show);
 321
 322     /** Open a new main window. */
 323     void openNewMainWindow();
 324
 325     /** Opens a new view with the current URL that is part of a tab. */
 326     void openNewTab();
 327
 328     /**
 329      * Opens a new tab showing the URL \a url.
 330      */
 331     void openNewTab(const KUrl& url);
 332
 333     void activateNextTab();
 334
 335     void activatePrevTab();
 336
 337     /**
 338      * Opens the selected folder in a new tab.
 339      */
 340     void openInNewTab();
 341
 342     /**
 343      * Opens the selected folder in a new window.
 344      */
 345     void openInNewWindow();
 346
 347     /** Toggles the active view if two views are shown within the main window. */
 348     void toggleActiveView();
 349
 350     /**
 351      * Indicates in the statusbar that the execution of the command \a command
 352      * has been finished.
 353      */
 354     void showCommand(CommandType command);
 355
 356     /**
 357      * Activates the tab with the index \a index, which means that the current view
 358      * is replaced by the view of the given tab.
 359      */
 360     void setActiveTab(int index);
 361
 362     /** Closes the currently active tab. */
 363     void closeTab();
 364
 365     /**
 366      * Closes the tab with the index \index and activates the tab with index - 1.
 367      */
 368     void closeTab(int index);
 369
 370
 371     /**
 372      * Opens a context menu for the tab with the index \a index
 373      * on the position \a pos.
 374      */
 375     void openTabContextMenu(int index, const QPoint& pos);
 376
 377     /**
 378      * Handles a click on a places item: if the middle mouse button is
 379      * clicked, a new tab is opened for \a url, otherwise the current
 380      * view is replaced by \a url.
 381      */
 382     void handlePlacesClick(const KUrl& url, Qt::MouseButtons buttons);
 383
 384     /**
 385      * Is connected to the KTabBar signal testCanDecode() and adjusts
 386      * the output parameter \a accept.
 387      */
 388     void slotTestCanDecode(const QDragMoveEvent* event, bool& accept);
 389
 390     /**
 391      * Is connected with the Dolphin search box and the search configurator
 392      * and triggers a Nepomuk search.
 393      */
 394     void searchItems();
 395
 396     /**
 397      * Is connected to the QTabBar signal tabMoved(int from, int to).
 398      * Reorders the list of tabs after a tab was moved in the tab bar
 399      * and sets m_tabIndex to the new index of the current tab.
 400      */
 401     void slotTabMoved(int from, int to);
 402
 403     /**
 404      * Is connected to the searchbox signal 'requestSearchOptions' and
 405      * takes care to show the search options.
 406      */
 407     void showSearchOptions();
 408
 409     /**
 410      * If the URL can be listed open it in the current view, otherwise
 411      * run it through KRun.
 412      */
 413     void handleUrl(const KUrl& url);
 414
 415 private:
 416     DolphinMainWindow(int id);
 417     void init();
 418
 419     /**
 420      * Activates the given view, which means that
 421      * all menu actions are applied to this view. When
 422      * having a split view setup, the nonactive view
 423      * is usually shown in darker colors.
 424      */
 425     void setActiveViewContainer(DolphinViewContainer* view);
 426
 427     void setupActions();
 428     void setupDockWidgets();
 429     void updateEditActions();
 430     void updateViewActions();
 431     void updateGoActions();
 432
 433     /**
 434      * Adds the tab[\a index] to the closed tab menu's list of actions.
 435      */
 436     void rememberClosedTab(int index);
 437
 438     /**
 439      * Connects the signals from the created DolphinView with
 440      * the DolphinViewContainer \a container with the corresponding slots of
 441      * the DolphinMainWindow. This method must be invoked each
 442      * time a DolphinView has been created.
 443      */
 444     void connectViewSignals(DolphinViewContainer* container);
 445
 446     /**
 447      * Updates the text of the split action:
 448      * If two views are shown, the text is set to "Split",
 449      * otherwise the text is set to "Join". The icon
 450      * is updated to match with the text and the currently active view.
 451      */
 452     void updateSplitAction();
 453
 454     /** Returns the name of the tab for the URL \a url. */
 455     QString tabName(const KUrl& url) const;
 456
 457     bool isKompareInstalled() const;
 458
 459     void createSecondaryView(int tabIndex);
 460
 461     /**
 462      * Helper method for saveProperties() and readProperties(): Returns
 463      * the property string for a tab with the index \a tabIndex and
 464      * the property \a property.
 465      */
 466     QString tabProperty(const QString& property, int tabIndex) const;
 467
 468     /**
 469      * Sets the window caption to url.fileName() if this is non-empty,
 470      * "/" if the URL is "file:///", and url.protocol() otherwise.
 471      */
 472     void setUrlAsCaption(const KUrl& url);
 473
 474     QString squeezedText(const QString& text) const;
 475
 476 private:
 477     /**
 478      * Implements a custom error handling for the undo manager. This
 479      * assures that all errors are shown in the status bar of Dolphin
 480      * instead as modal error dialog with an OK button.
 481      */
 482     class UndoUiInterface : public KIO::FileUndoManager::UiInterface
 483     {
 484     public:
 485         UndoUiInterface();
 486         virtual ~UndoUiInterface();
 487         virtual void jobError(KIO::Job* job);
 488     };
 489
 490     KNewMenu* m_newMenu;
 491     KActionMenu* m_recentTabsMenu;
 492     KAction* m_showMenuBar;
 493     KTabBar* m_tabBar;
 494     DolphinViewContainer* m_activeViewContainer;
 495     QVBoxLayout* m_centralWidgetLayout;
 496     DolphinSearchBox* m_searchBox;
 497     DolphinSearchOptionsConfigurator* m_searchOptionsConfigurator;
 498     int m_id;
 499
 500     struct ViewTab
 501     {
 502         ViewTab() : isPrimaryViewActive(true), primaryView(0), secondaryView(0), splitter(0) {}
 503         bool isPrimaryViewActive;
 504         DolphinViewContainer* primaryView;
 505         DolphinViewContainer* secondaryView;
 506         QSplitter* splitter;
 507     };
 508
 509     int m_tabIndex;
 510     QList<ViewTab> m_viewTab;
 511
 512     DolphinViewActionHandler* m_actionHandler;
 513     DolphinRemoteEncoding* m_remoteEncoding;
 514     QPointer<DolphinSettingsDialog> m_settingsDialog;
 515 };
 516
 517 inline DolphinViewContainer* DolphinMainWindow::activeViewContainer() const
 518 {
 519     return m_activeViewContainer;
 520 }
 521
 522 inline bool DolphinMainWindow::isSplit() const
 523 {
 524     return m_viewTab[m_tabIndex].secondaryView != 0;
 525 }
 526
 527 inline KNewMenu* DolphinMainWindow::newMenu() const
 528 {
 529     return m_newMenu;
 530 }
 531
 532 inline KAction* DolphinMainWindow::showMenuBarAction() const
 533 {
 534     return m_showMenuBar;
 535 }
 536
 537 inline int DolphinMainWindow::getId() const
 538 {
 539     return m_id;
 540 }
 541
 542 #endif // DOLPHIN_MAINWINDOW_H
 543