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 KTabBar;
  43 class KUrl;
  44 class QSplitter;
  45
  46 /**
  47  * @short Main window for Dolphin.
  48  *
  49  * Handles the menus, toolbars and Dolphin views.
  50  */
  51 class DolphinMainWindow: public KXmlGuiWindow
  52 {
  53     Q_OBJECT
  54     Q_CLASSINFO("D-Bus Interface", "org.kde.dolphin.MainWindow")
  55     Q_PROPERTY(int id READ getId SCRIPTABLE true)
  56     friend class DolphinApplication;
  57
  58 public:
  59     virtual ~DolphinMainWindow();
  60
  61     /**
  62      * Returns the currently active view.
  63      * All menu actions are applied to this view. When
  64      * having a split view setup, the nonactive view
  65      * is usually shown in darker colors.
  66      */
  67     DolphinViewContainer* activeViewContainer() const;
  68
  69     /**
  70      * Returns true, if the main window contains two instances
  71      * of a view container. The active view constainer can be
  72      * accessed by DolphinMainWindow::activeViewContainer().
  73      */
  74     bool isSplit() const;
  75
  76     /**
  77      * If the main window contains two instances of a view container
  78      * (DolphinMainWindow::isSplit() returns true), then the
  79      * two views get toggled (the right view is on the left, the left
  80      * view on the right).
  81      */
  82     void toggleViews();
  83
  84     /** Renames the item represented by \a oldUrl to \a newUrl. */
  85     void rename(const KUrl& oldUrl, const KUrl& newUrl);
  86
  87     /**
  88      * Refreshes the views of the main window by recreating them dependent from
  89      * the given Dolphin settings.
  90      */
  91     void refreshViews();
  92
  93     /**
  94      * Returns the 'Create New...' sub menu which also can be shared
  95      * with other menus (e. g. a context menu).
  96      */
  97     KNewMenu* newMenu() const;
  98
  99     /**
 100      * Returns the 'Show Menubar' action which can be shared with
 101      * other menus (e. g. a context menu).
 102      */
 103     KAction* showMenuBarAction() const;
 104
 105 public slots:
 106     /**
 107      * Handles the dropping of URLs to the given
 108      * destination. This is only called by the TreeViewSidebarPage.
 109      */
 110     void dropUrls(const KUrl::List& urls,
 111                   const KUrl& destination);
 112
 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 (sidebars, 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 sidebar.
 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     /**
 176      * Opens the properties window for the selected items of the
 177      * active view. The properties windows shows information
 178      * like name, size and permissions.
 179      */
 180     void properties();
 181
 182     /**
 183      * Shows the error information from the places model
 184      * in the status bar.
 185      */
 186     void slotHandlePlacesError(const QString &message);
 187
 188     /**
 189      * Updates the state of the 'Undo' menu action dependent
 190      * from the parameter \a available.
 191      */
 192     void slotUndoAvailable(bool available);
 193
 194     /** Sets the text of the 'Undo' menu action to \a text. */
 195     void slotUndoTextChanged(const QString& text);
 196
 197     /** Performs the current undo operation. */
 198     void undo();
 199
 200     /**
 201      * Copies all selected items to the clipboard and marks
 202      * the items as cutted.
 203      */
 204     void cut();
 205
 206     /** Copies all selected items to the clipboard. */
 207     void copy();
 208
 209     /** Pastes the clipboard data to the active view. */
 210     void paste();
 211
 212     /**
 213      * Updates the text of the paste action dependent from
 214      * the number of items which are in the clipboard.
 215      */
 216     void updatePasteAction();
 217
 218     /** Selects all items from the active view. */
 219     void selectAll();
 220
 221     /**
 222      * Inverts the selection of all items of the active view:
 223      * Selected items get nonselected and nonselected items get
 224      * selected.
 225      */
 226     void invertSelection();
 227
 228     /**
 229      * Switches between one and two views:
 230      * If one view is visible, it will get split into two views.
 231      * If already two views are visible, the nonactivated view gets closed.
 232      */
 233     void toggleSplitView();
 234
 235     /** Reloads the current active view. */
 236     void reloadView();
 237
 238     /** Stops the loading process for the current active view. */
 239     void stopLoading();
 240
 241     /**
 242      * Toggles between showing and hiding of the filter bar
 243      */
 244     void toggleFilterBarVisibility(bool show);
 245
 246     /**
 247      * Toggles between edit and browse mode of the navigation bar.
 248      */
 249     void toggleEditLocation();
 250
 251     /**
 252      * Switches to the edit mode of the navigation bar. If the edit mode is
 253      * already active, it is assured that the navigation bar get focused.
 254      */
 255     void editLocation();
 256
 257     /**
 258      * Opens the view properties dialog, which allows to modify the properties
 259      * of the currently active view.
 260      */
 261     void adjustViewProperties();
 262
 263     /** Goes back on step of the URL history. */
 264     void goBack();
 265
 266     /** Goes forward one step of the URL history. */
 267     void goForward();
 268
 269     /** Goes up one hierarchy of the current URL. */
 270     void goUp();
 271
 272     /** Goes to the home URL. */
 273     void goHome();
 274
 275     /** Opens KFind for the current shown directory. */
 276     void findFile();
 277
 278     /** Opens Kompare for 2 selected files. */
 279     void compareFiles();
 280
 281     /**
 282      * Hides the menu bar if it is visible, makes the menu bar
 283      * visible if it is hidden.
 284      */
 285     void toggleShowMenuBar();
 286
 287     /** Opens the settings dialog for Dolphin. */
 288     void editSettings();
 289
 290     /** Updates the state of the 'Show Full Location' action. */
 291     void slotEditableStateChanged(bool editable);
 292
 293     /**
 294      * Updates the state of the 'Edit' menu actions and emits
 295      * the signal selectionChanged().
 296      */
 297     void slotSelectionChanged(const KFileItemList& selection);
 298
 299     /** Emits the signal requestItemInfo(). */
 300     void slotRequestItemInfo(const KFileItem&);
 301
 302     /**
 303      * Updates the state of the 'Back' and 'Forward' menu
 304      * actions corresponding the the current history.
 305      */
 306     void updateHistory();
 307
 308     /** Updates the state of the 'Show filter bar' menu action. */
 309     void updateFilterBarAction(bool show);
 310
 311     /** Open a new main window. */
 312     void openNewMainWindow();
 313
 314     /** Opens a new view with the current URL that is part of a tab. */
 315     void openNewTab();
 316
 317     /**
 318      * Opens a new tab showing the URL \a url.
 319      */
 320     void openNewTab(const KUrl& url);
 321
 322     /** Toggles the active view if two views are shown within the main window. */
 323     void toggleActiveView();
 324
 325     /** Called when the view is doing a file operation, like renaming, copying, moving etc. */
 326     void slotDoingOperation(KonqFileUndoManager::CommandType type);
 327
 328     /**
 329      * Activates the tab with the index \a index, which means that the current view
 330      * is replaced by the view of the given tab.
 331      */
 332     void setActiveTab(int index);
 333
 334     /** Closes the currently active tab. */
 335     void closeTab();
 336
 337     /**
 338      * Closes the tab with the index \index and activates the tab with index - 1.
 339      */
 340     void closeTab(int index);
 341
 342     /**
 343      * Opens a context menu for the tab with the index \a index
 344      * on the position \a pos.
 345      */
 346     void openTabContextMenu(int index, const QPoint& pos);
 347
 348 private:
 349     DolphinMainWindow(int id);
 350     void init();
 351
 352     /**
 353      * Activates the given view, which means that
 354      * all menu actions are applied to this view. When
 355      * having a split view setup, the nonactive view
 356      * is usually shown in darker colors.
 357      */
 358     void setActiveViewContainer(DolphinViewContainer* view);
 359
 360     void setupActions();
 361     void setupDockWidgets();
 362     void updateEditActions();
 363     void updateViewActions();
 364     void updateGoActions();
 365
 366     /**
 367      * Connects the signals from the created DolphinView with
 368      * the DolphinViewContainer \a container with the corresponding slots of
 369      * the DolphinMainWindow. This method must be invoked each
 370      * time a DolphinView has been created.
 371      */
 372     void connectViewSignals(DolphinViewContainer* container);
 373
 374     /**
 375      * Updates the text of the split action:
 376      * If two views are shown, the text is set to "Split",
 377      * otherwise the text is set to "Join". The icon
 378      * is updated to match with the text and the currently active view.
 379      */
 380     void updateSplitAction();
 381
 382     /** Returns the name of the tab for the URL \a url. */
 383     QString tabName(const KUrl& url) const;
 384
 385 private:
 386     /**
 387      * Implements a custom error handling for the undo manager. This
 388      * assures that all errors are shown in the status bar of Dolphin
 389      * instead as modal error dialog with an OK button.
 390      */
 391     class UndoUiInterface : public KonqFileUndoManager::UiInterface
 392     {
 393     public:
 394         UndoUiInterface();
 395         virtual ~UndoUiInterface();
 396         virtual void jobError(KIO::Job* job);
 397     };
 398
 399     KNewMenu* m_newMenu;
 400     KAction* m_showMenuBar;
 401     KTabBar* m_tabBar;
 402     DolphinViewContainer* m_activeViewContainer;
 403     QVBoxLayout* m_centralWidgetLayout;
 404     int m_id;
 405
 406     struct ViewTab
 407     {
 408         ViewTab() : isPrimaryViewActive(true), primaryView(0), secondaryView(0), splitter(0) {}
 409         bool isPrimaryViewActive;
 410         DolphinViewContainer* primaryView;
 411         DolphinViewContainer* secondaryView;
 412         QSplitter* splitter;
 413     };
 414
 415     int m_tabIndex;
 416     QList<ViewTab> m_viewTab;
 417
 418     DolphinViewActionHandler* m_actionHandler;
 419
 420     /// remember pending undo operations until they are finished
 421     QList<KonqFileUndoManager::CommandType> m_undoCommandTypes;
 422 };
 423
 424 inline DolphinViewContainer* DolphinMainWindow::activeViewContainer() const
 425 {
 426     return m_activeViewContainer;
 427 }
 428
 429 inline bool DolphinMainWindow::isSplit() const
 430 {
 431     return m_viewTab[m_tabIndex].secondaryView != 0;
 432 }
 433
 434 inline KNewMenu* DolphinMainWindow::newMenu() const
 435 {
 436     return m_newMenu;
 437 }
 438
 439 inline KAction* DolphinMainWindow::showMenuBarAction() const
 440 {
 441     return m_showMenuBar;
 442 }
 443
 444 inline int DolphinMainWindow::getId() const
 445 {
 446     return m_id;
 447 }
 448
 449 #endif // DOLPHIN_MAINWINDOW_H
 450