On middle-click, open file with the second application for the file mime

[dolphin.git] / src / dolphinviewcontainer.h

diff --git a/src/dolphinviewcontainer.h b/src/dolphinviewcontainer.h
index 88b4b3b47c6a0df694a2e66696d648ad5826e0a3..0c8b184fe3e2a94e76ebd3574792218482e41b5e 100644 (file)
--- a/src/dolphinviewcontainer.h
+++ b/src/dolphinviewcontainer.h
@@ -1,62 +1,49 @@
-/***************************************************************************
- *   Copyright (C) 2007 by Peter Penz <peter.penz@gmx.at>                  *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
- ***************************************************************************/
-
+/*
+ * SPDX-FileCopyrightText: 2007 Peter Penz <peter.penz19@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */

 
 #ifndef DOLPHINVIEWCONTAINER_H
 #define DOLPHINVIEWCONTAINER_H
 
 
 #ifndef DOLPHINVIEWCONTAINER_H
 #define DOLPHINVIEWCONTAINER_H
 

-#include "dolphinview.h"
+#include "config-dolphin.h"
+#include "dolphinurlnavigator.h"
+#include "selectionmode/bottombar.h"
+#include "views/dolphinview.h"

 
 

-#include <kparts/part.h>
-#include <kfileitem.h>
-#include <kfileitemdelegate.h>
-#include <kio/job.h>
+#include <KFileItem>
+#include <KIO/Job>
+#include <KUrlNavigator>

 
 

-#include <kurlnavigator.h>
+#include <QElapsedTimer>
+#include <QPushButton>
+#include <QWidget>

 
 

-#include <QtGui/QKeyEvent>
-#include <QtCore/QLinkedList>
-#include <QtGui/QListView>
-#include <QtGui/QBoxLayout>
-#include <QtGui/QWidget>
+#if HAVE_KACTIVITIES
+namespace KActivities
+{
+class ResourceInstance;
+}
+#endif

 
 

-class DolphinController;

 class FilterBar;
 class FilterBar;

-class KFileItemDelegate;
-class KUrl;
-class KDirModel;
-class KUrlNavigator;
-class DolphinColumnView;
-class DolphinDetailsView;
-class DolphinDirLister;
-class DolphinIconsView;
-class DolphinMainWindow;
-class DolphinSortFilterProxyModel;
+class KMessageWidget;
+class QAction;
+class QGridLayout;
+class QUrl;
+class DolphinSearchBox;

 class DolphinStatusBar;
 class DolphinStatusBar;

-class QModelIndex;
-class ViewProperties;
+namespace SelectionMode
+{
+class TopBar;
+}

 
 /**
  * @short Represents a view for the directory content
  *        including the navigation bar, filter bar and status bar.
  *
 
 /**
  * @short Represents a view for the directory content
  *        including the navigation bar, filter bar and status bar.
  *

- * View modes for icons, details and columns are supported. Currently
+ * View modes for icons, compact and details are supported. Currently

  * Dolphin allows to have up to two views inside the main window.
  *
  * @see DolphinView
  * Dolphin allows to have up to two views inside the main window.
  *
  * @see DolphinView


@@ -69,28 +56,17 @@ class DolphinViewContainer : public QWidget
     Q_OBJECT
 
 public:
     Q_OBJECT
 
 public:

-    DolphinViewContainer(DolphinMainWindow* mainwindow,
-                         QWidget *parent,
-                         const KUrl& url,
-                         DolphinView::Mode mode = DolphinView::IconsView,
-                         bool showHiddenFiles = false);
+    enum MessageType { Information, Warning, Error };

 
 

-    virtual ~DolphinViewContainer();
-
-    /**
-     * Sets the current active URL, where all actions are applied. The
-     * URL navigator is synchronized with this URL. The signals
-     * KUrlNavigator::urlChanged() and KUrlNavigator::historyChanged()
-     * are emitted.
-     * @see DolphinViewContainer::urlNavigator()
-     */
-    void setUrl(const KUrl& url);
+    DolphinViewContainer(const QUrl &url, QWidget *parent);
+    ~DolphinViewContainer() override;

 
     /**
      * Returns the current active URL, where all actions are applied.
      * The URL navigator is synchronized with this URL.
      */
 
     /**
      * Returns the current active URL, where all actions are applied.
      * The URL navigator is synchronized with this URL.
      */

-    const KUrl& url() const;
+    QUrl url() const;
+    KFileItem rootItem() const;

 
     /**
      * If \a active is true, the view container will marked as active. The active
 
     /**
      * If \a active is true, the view container will marked as active. The active


@@ -100,73 +76,266 @@ public:
     bool isActive() const;
 
     /**
     bool isActive() const;
 
     /**

-     * Triggers the renaming of the currently selected items, where
-     * the user must input a new name for the items.
+     * If \a grab is set to true, the container automatically grabs the focus
+     * as soon as the URL has been changed. Per default the grabbing
+     * of the focus is enabled.

      */
      */

-    void renameSelectedItems();
+    void setAutoGrabFocus(bool grab);
+    bool autoGrabFocus() const;

 
 

-    KFileItem* fileItem(const QModelIndex index) const;
+    QString currentSearchText() const;

 
 

-    DolphinStatusBar* statusBar() const;
+    const DolphinStatusBar *statusBar() const;
+    DolphinStatusBar *statusBar();

 
     /**
 
     /**

-     * Returns true, if the URL shown by the navigation bar is editable.
-     * @see KUrlNavigator
+     * @return  An UrlNavigator that is controlling this view
+     *          or nullptr if there is none.
+     * @see connectUrlNavigator()
+     * @see disconnectUrlNavigator()
+     *
+     * Use urlNavigatorInternalWithHistory() if you want to access the history.
+     * @see urlNavigatorInternalWithHistory()

      */
      */

-    bool isUrlEditable() const;
+    const DolphinUrlNavigator *urlNavigator() const;
+    /**
+     * @return  An UrlNavigator that is controlling this view
+     *          or nullptr if there is none.
+     * @see connectUrlNavigator()
+     * @see disconnectUrlNavigator()
+     *
+     * Use urlNavigatorInternalWithHistory() if you want to access the history.
+     * @see urlNavigatorInternalWithHistory()
+     */
+    DolphinUrlNavigator *urlNavigator();

 
 

-    inline KUrlNavigator* urlNavigator() const;
+    /**
+     * @return An UrlNavigator that contains this view's history.
+     * Use urlNavigator() instead when not accessing the history.
+     */
+    const DolphinUrlNavigator *urlNavigatorInternalWithHistory() const;
+    /**
+     * @return An UrlNavigator that contains this view's history.
+     * Use urlNavigator() instead when not accessing the history.
+     */
+    DolphinUrlNavigator *urlNavigatorInternalWithHistory();
+
+    const DolphinView *view() const;
+    DolphinView *view();
+
+    /**
+     * @param urlNavigator  The UrlNavigator that is supposed to control
+     *                      this view.
+     */
+    void connectUrlNavigator(DolphinUrlNavigator *urlNavigator);
+
+    /**
+     * Disconnects the navigator that is currently controlling the view.
+     * This method completely reverses connectUrlNavigator().
+     */
+    void disconnectUrlNavigator();

 
 

-    inline DolphinView* view() const;
+    /**
+     * Sets a selection mode that is useful for quick and easy selecting or deselecting of files.
+     * This method is the central authority about enabling or disabling selection mode:
+     * All other classes that want to enable or disable selection mode should trigger a call of this method.
+     *
+     * This method sets the selection mode for the view of this viewContainer and sets the visibility of the
+     * selection mode top and bottom bar which also belong to this viewContainer.
+     *
+     * @param enabled           Whether to enable or disable selection mode.
+     * @param actionCollection  The collection of actions from which the actions on the bottom bar are retrieved.
+     * @param bottomBarContents The contents the bar is supposed to show after this call.
+     */
+    void setSelectionModeEnabled(bool enabled,
+                                 KActionCollection *actionCollection = nullptr,
+                                 SelectionMode::BottomBar::Contents bottomBarContents = SelectionMode::BottomBar::Contents::GeneralContents);
+    /** @see setSelectionModeEnabled() */
+    bool isSelectionModeEnabled() const;
+
+    /**
+     * Shows the message \msg with the given type non-modal above
+     * the view-content.
+     */
+    void showMessage(const QString &msg, MessageType type);
+
+    /**
+     * Refreshes the view container to get synchronized with the (updated) Dolphin settings.
+     */
+    void readSettings();

 
     /** Returns true, if the filter bar is visible. */
     bool isFilterBarVisible() const;
 
 
     /** Returns true, if the filter bar is visible. */
     bool isFilterBarVisible() const;
 

+    /** Returns true if the search mode is enabled. */
+    bool isSearchModeEnabled() const;
+

     /**
     /**

-     * Return the DolphinMainWindow this View belongs to. It is guaranteed
-     * that we have one.
+     * @return Text that should be used for the current URL when creating
+     *         a new place.

      */
      */

-    DolphinMainWindow* mainWindow() const ;
+    QString placesText() const;

 
 

-public slots:

     /**
     /**

-     * Popups the filter bar above the status bar if \a show is true.
+     * Reload the view of this container. This will also hide messages in a messagewidget.

      */
      */

-    void showFilterBar(bool show);
+    void reload();

 
 

+    /**
+     * @return Returns a Caption suitable for display in the window title.
+     * It is calculated depending on GeneralSettings::showFullPathInTitlebar().
+     * If it's false, it calls caption().
+     */
+    QString captionWindowTitle() const;
+
+    /**
+     * @return Returns a Caption suitable for display to the user. It is
+     * calculated depending on settings, if a search is active and other
+     * factors.
+     */
+    QString caption() const;
+
+    /**
+     * Disable/enable the behavior of "select child when moving to parent folder"
+     * offered by KUrlNavigator.
+     *
+     * See KUrlNavigator::urlSelectionRequested
+     */
+    void disableUrlNavigatorSelectionRequests();
+    void enableUrlNavigatorSelectionRequests();
+    void clearFilterBar();
+
+public Q_SLOTS:
+    /**
+     * Sets the current active URL, where all actions are applied. The
+     * URL navigator is synchronized with this URL. The signals
+     * KUrlNavigator::urlChanged() and KUrlNavigator::historyChanged()
+     * are emitted.
+     * @see DolphinViewContainer::urlNavigator()
+     */
+    void setUrl(const QUrl &url);
+
+    /**
+     * Popups the filter bar above the status bar if \a visible is true.
+     * It \a visible is true, it is assured that the filter bar gains
+     * the keyboard focus.
+     */
+    void setFilterBarVisible(bool visible);
+
+    /**
+     * Enables the search mode, if \p enabled is true. In the search mode the URL navigator
+     * will be hidden and replaced by a line editor that allows to enter a search term.
+     */
+    void setSearchModeEnabled(bool enabled);
+
+    /** Used to notify the m_selectionModeBottomBar that there is no other ViewContainer in the tab. */
+    void slotSplitTabDisabled();
+
+Q_SIGNALS:
+    /**
+     * Is emitted whenever the filter bar has changed its visibility state.
+     */
+    void showFilterBarChanged(bool shown);
+    /**
+     * Is emitted whenever the search mode has changed its state.
+     */
+    void searchModeEnabledChanged(bool enabled);
+
+    void selectionModeChanged(bool enabled);
+
+    /**
+     * Is emitted when the write state of the folder has been changed. The application
+     * should disable all actions like "Create New..." that depend on the write
+     * state.
+     */
+    void writeStateChanged(bool isFolderWritable);
+
+    /**
+     * Is emitted when the Caption has been changed.
+     * @see DolphinViewContainer::caption()
+     */
+    void captionChanged();
+
+    /**
+     * Is emitted if a new tab should be opened in the background for the URL \a url.
+     */
+    void tabRequested(const QUrl &url);
+
+    /**
+     * Is emitted if a new tab should be opened for the URL \a url and set as active.
+     */
+    void activeTabRequested(const QUrl &url);
+
+private Q_SLOTS:

     /**
      * Updates the number of items (= number of files + number of
      * directories) in the statusbar. If files are selected, the number
     /**
      * Updates the number of items (= number of files + number of
      * directories) in the statusbar. If files are selected, the number

-     * of selected files and the sum of the filesize is shown.
+     * of selected files and the sum of the filesize is shown. The update
+     * is done asynchronously, as getting the sum of the
+     * filesizes can be an expensive operation.
+     * Unless a previous OperationCompletedMessage was set very shortly before
+     * calling this method, it will be overwritten (see DolphinStatusBar::setMessage).
+     * Previous ErrorMessages however are always preserved.
+     */
+    void delayedStatusBarUpdate();
+
+    /**
+     * Is invoked by DolphinViewContainer::delayedStatusBarUpdate() and
+     * updates the status bar synchronously.

      */
     void updateStatusBar();
 
      */
     void updateStatusBar();
 

-signals:
+    void updateDirectoryLoadingProgress(int percent);
+
+    void updateDirectorySortingProgress(int percent);
+

     /**
     /**

-     * Is emitted whenever the filter bar has changed its visibility state.
+     * Updates the statusbar to show an undetermined progress with the correct
+     * context information whether a searching or a directory loading is done.

      */
      */

-    void showFilterBarChanged(bool shown);
+    void slotDirectoryLoadingStarted();

 
 

-private slots:
-    void updateProgress(int percent);
+    /**
+     * Assures that the viewport position is restored and updates the
+     * statusbar to reflect the current content.
+     */
+    void slotDirectoryLoadingCompleted();

 
     /**
 
     /**

-     * Updates the number of items (= number of directories + number of files)
-     * and shows this information in the statusbar.
+     * Updates the statusbar to show, that the directory loading has
+     * been canceled.

      */
      */

-    void updateItemCount();
+    void slotDirectoryLoadingCanceled();

 
     /**
 
     /**

-     * Shows the item information for the URL \a url inside the statusbar. If the
-     * URL is empty, the default statusbar information is shown.
+     * Is called if the URL set by DolphinView::setUrl() represents
+     * a file and not a directory. Takes care to activate the file.

      */
      */

-    void showItemInfo(const KUrl& url);
+    void slotUrlIsFileError(const QUrl &url);

 
 

-    /** Shows the information \a msg inside the statusbar. */
-    void showInfoMessage(const QString& msg);
+    /**
+     * Handles clicking on an item. If the item is a directory, the
+     * directory is opened in the view. If the item is a file, the file
+     * gets started by the corresponding application.
+     */
+    void slotItemActivated(const KFileItem &item);

 
 

-    /** Shows the error message \a msg inside the statusbar. */
-    void showErrorMessage(const QString& msg);
+    /**
+     * Handles activation of multiple files. The files get started by
+     * the corresponding applications.
+     */
+    void slotItemsActivated(const KFileItemList &items);
+
+    /**
+     * Handles middle click of file. It opens the file passed using the second application associated with the file's mimetype.
+     */
+    void slotfileMiddleClickActivated(const KFileItem &item);
+
+    /**
+     * Shows the information for the item \a item inside the statusbar. If the
+     * item is null, the default statusbar information is shown.
+     */
+    void showItemInfo(const KFileItem &item);

 
     void closeFilterBar();
 
 
     void closeFilterBar();
 


@@ -174,76 +343,141 @@ private slots:
      * Filters the currently shown items by \a nameFilter. All items
      * which contain the given filter string will be shown.
      */
      * Filters the currently shown items by \a nameFilter. All items
      * which contain the given filter string will be shown.
      */

-    void changeNameFilter(const QString& nameFilter);
+    void setNameFilter(const QString &nameFilter);
+
+    /**
+     * Marks the view container as active
+     * (see DolphinViewContainer::setActive()).
+     */
+    void activate();

 
     /**
 
     /**

-     * Opens the context menu on the current mouse postition.
-     * @item  File item context. If item is 0, the context menu
-     *        should be applied to \a url.
-     * @url   URL which contains \a item.
+     * Is invoked if the signal urlAboutToBeChanged() from the URL navigator
+     * is emitted. Tries to save the view-state.

      */
      */

-    void openContextMenu(KFileItem* item, const KUrl& url);
+    void slotUrlNavigatorLocationAboutToBeChanged(const QUrl &url);

 
     /**
 
     /**

-     * Saves the position of the contents to the
-     * current history element.
+     * Restores the current view to show \a url and assures
+     * that the root URL of the view is respected.

      */
      */

-    void saveContentsPos(int x, int y);
+    void slotUrlNavigatorLocationChanged(const QUrl &url);

 
     /**
 
     /**

-     * Restores the contents position of the view, if the view
-     * is part of the history.
+     * @see KUrlNavigator::urlSelectionRequested

      */
      */

-    void restoreContentsPos();
+    void slotUrlSelectionRequested(const QUrl &url);

 
     /**
 
     /**

-     * Marks the view container as active
-     * (see DolphinViewContainer::setActive()).
+     * Is invoked when a redirection is done and changes the
+     * URL of the URL navigator to \a newUrl without triggering
+     * a reloading of the directory.

      */
      */

-    void activate();
+    void redirect(const QUrl &oldUrl, const QUrl &newUrl);
+
+    /** Requests the focus for the view \a m_view. */
+    void requestFocus();
+
+    /**
+     * Gets the search URL from the searchbox and starts searching.
+     */
+    void startSearching();
+    void closeSearchBox();
+
+    /**
+     * Stops the loading of a directory. Is connected with the "stopPressed" signal
+     * from the statusbar.
+     */
+    void stopDirectoryLoading();
+
+    void slotStatusBarZoomLevelChanged(int zoomLevel);
+
+    /**
+     * Slot that calls showMessage(msg, Error).
+     */
+    void showErrorMessage(const QString &msg);
+
+    /**
+     * Is invoked when a KFilePlacesModel has been changed
+     * @see DolphinPlacesModelSingleton::instance().placesModel()
+     */
+    void slotPlacesModelChanged();
+
+    void slotHiddenFilesShownChanged(bool showHiddenFiles);
+    void slotSortHiddenLastChanged(bool hiddenLast);
+    void slotCurrentDirectoryRemoved();
+
+    void slotOpenUrlFinished(KJob *job);

 
 private:
     /**
 
 private:
     /**

-     * Returns the default text of the status bar, if no item is
-     * selected.
+     * @return True if the URL protocol is a search URL (e. g. baloosearch:// or filenamesearch://).
+     */
+    bool isSearchUrl(const QUrl &url) const;
+
+    /**
+     * Saves the state of the current view: contents position,
+     * root URL, ...
+     */
+    void saveViewState();
+
+    /**
+     * Restores the state of the current view iff the URL navigator contains a
+     * non-empty location state.

      */
      */

-    QString defaultStatusBarText() const;
+    void tryRestoreViewState();

 
     /**
 
     /**

-     * Returns the text for the status bar, if at least one item
-     * is selected.
+     * @return Path of nearest existing ancestor directory.

      */
      */

-    QString selectionStatusBarText() const;
+    QString getNearestExistingAncestorOfPath(const QString &path) const;

 
 private:
 
 private:

-    bool m_showProgress;
+    QGridLayout *m_topLayout;

 
 

-    int m_iconSize;
-    int m_folderCount;
-    int m_fileCount;
+    /**
+     * The internal UrlNavigator which is never visible to the user.
+     * m_urlNavigator is used even when another UrlNavigator is controlling
+     * the view to keep track of this object's history.
+     */
+    std::unique_ptr<DolphinUrlNavigator> m_urlNavigator;

 
 

-    DolphinMainWindow* m_mainWindow;
-    QVBoxLayout* m_topLayout;
-    KUrlNavigator* m_urlNavigator;
+    /**
+     * The UrlNavigator that is currently connected to the view.
+     * This is a nullptr if no UrlNavigator is connected.
+     * Otherwise it's one of the UrlNavigators visible in the toolbar.
+     */
+    QPointer<DolphinUrlNavigator> m_urlNavigatorConnected;

 
 

-    DolphinView* m_view;
+    DolphinSearchBox *m_searchBox;
+    bool m_searchModeEnabled;

 
 

-    FilterBar* m_filterBar;
-    DolphinStatusBar* m_statusBar;
+    KMessageWidget *m_messageWidget;

 
 

-    KDirModel* m_dirModel;
-    DolphinDirLister* m_dirLister;
-    DolphinSortFilterProxyModel* m_proxyModel;
-};
+    /// A bar shown at the top of the view to signify that selection mode is currently active.
+    SelectionMode::TopBar *m_selectionModeTopBar;

 
 

-KUrlNavigator* DolphinViewContainer::urlNavigator() const
-{
-    return m_urlNavigator;
-}
+    DolphinView *m_view;

 
 

-DolphinView* DolphinViewContainer::view() const
-{
-    return m_view;
-}
+    FilterBar *m_filterBar;
+
+    /// A bar shown at the bottom of the view whose contents depend on what the user is currently doing.
+    SelectionMode::BottomBar *m_selectionModeBottomBar;
+
+    DolphinStatusBar *m_statusBar;
+    QTimer *m_statusBarTimer; // Triggers a delayed update
+    QElapsedTimer m_statusBarTimestamp; // Time in ms since last update
+    bool m_autoGrabFocus;
+    /**
+     * The visual state to be applied to the next UrlNavigator that gets
+     * connected to this ViewContainer.
+     */
+    std::unique_ptr<DolphinUrlNavigator::VisualState> m_urlNavigatorVisualState;
+
+#if HAVE_KACTIVITIES
+private:
+    KActivities::ResourceInstance *m_activityResourceInstance;
+#endif
+};

 
 #endif // DOLPHINVIEWCONTAINER_H
 
 #endif // DOLPHINVIEWCONTAINER_H