src/dolphincontextmenu.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #ifndef DOLPHINCONTEXTMENU_H
  21 #define DOLPHINCONTEXTMENU_H
  22
  23 #include <KFileItem>
  24 #include <KService>
  25 #include <KUrl>
  26 #include <konq_copytomenu.h>
  27
  28 #include <QObject>
  29
  30 #include <QVector>
  31
  32 #include <QScopedPointer>
  33
  34 class KMenu;
  35 class KFileItem;
  36 class QAction;
  37 class DolphinMainWindow;
  38 class KFileItemActions;
  39 class KFileItemListProperties;
  40
  41 /**
  42  * @brief Represents the context menu which appears when doing a right
  43  *        click on an item or the viewport of the file manager.
  44  *
  45  * Beside static menu entries (e. g. 'Paste' or 'Properties') two
  46  * dynamic sub menus are shown when opening a context menu above
  47  * an item:
  48  * - 'Open With': Contains all applications which are registered to
  49  *                open items of the given MIME type.
  50  * - 'Actions':   Contains all actions which can be applied to the
  51  *                given item.
  52  */
  53 class DolphinContextMenu : public QObject
  54 {
  55     Q_OBJECT
  56
  57 public:
  58     enum Command
  59     {
  60         None,
  61         OpenParentFolderInNewWindow,
  62         OpenParentFolderInNewTab
  63     };
  64
  65     /**
  66      * @parent        Pointer to the main window the context menu
  67      *                belongs to.
  68      * @pos           Position in screen coordinates.
  69      * @fileInfo      Pointer to the file item the context menu
  70      *                is applied. If 0 is passed, the context menu
  71      *                is above the viewport.
  72      * @baseUrl       Base URL of the viewport where the context menu
  73      *                should be opened.
  74      */
  75     DolphinContextMenu(DolphinMainWindow* parent,
  76                        const QPoint& pos,
  77                        const KFileItem& fileInfo,
  78                        const KUrl& baseUrl);
  79
  80     virtual ~DolphinContextMenu();
  81
  82     void setCustomActions(const QList<QAction*>& actions);
  83
  84     /**
  85      * Opens the context menu model and returns the requested
  86      * command, that should be triggered by the caller. If
  87      * Command::None has been returned, either the context-menu
  88      * had been closed without executing an action or an
  89      * already available action from the main-window has been
  90      * executed.
  91      */
  92     Command open();
  93
  94     /**
  95      * TODO: This method is a workaround for a X11-issue in combination
  96      * with KModifierKeyInfo: When constructing KModifierKeyInfo in the
  97      * constructor of the context menu, the user interface might freeze.
  98      * To bypass this, the KModifierKeyInfo is constructed in DolphinMainWindow
  99      * directly after starting the application. Remove this method, if
 100      * the X11-issue got fixed (contact the maintainer of KModifierKeyInfo for
 101      * more details).
 102      */
 103     static void initializeModifierKeyInfo();
 104
 105 private slots:
 106     /**
 107      * Is invoked if a key modifier has been pressed and updates the context
 108      * menu to show the 'Delete' action instead of the 'Move To Trash' action
 109      * if the shift-key has been pressed.
 110      */
 111     void slotKeyModifierPressed(Qt::Key key, bool pressed);
 112
 113     /**
 114      * Triggers the 'Delete'-action if the shift-key has been pressed, otherwise
 115      * the 'Move to Trash'-action gets triggered.
 116      */
 117     void slotRemoveActionTriggered();
 118
 119 private:
 120     void openTrashContextMenu();
 121     void openTrashItemContextMenu();
 122     void openItemContextMenu();
 123     void openViewportContextMenu();
 124
 125     void insertDefaultItemActions();
 126
 127     /**
 128      * Adds the "Show menubar" action to the menu if the
 129      * menubar is hidden.
 130      */
 131     void addShowMenuBarAction();
 132
 133     bool placeExists(const KUrl& url) const;
 134
 135     QAction* createPasteAction();
 136
 137     KFileItemListProperties& selectedItemsProperties() const;
 138
 139     /**
 140      * Returns the file item for m_baseUrl.
 141      */
 142     KFileItem baseFileItem();
 143
 144     /**
 145      * Adds actions that have been installed as service-menu.
 146      * (see http://techbase.kde.org/index.php?title=Development/Tutorials/Creating_Konqueror_Service_Menus)
 147      */
 148     void addServiceActions(KFileItemActions& fileItemActions);
 149
 150     /**
 151      * Adds actions that are provided by a KFileItemActionPlugin.
 152      */
 153     void addFileItemPluginActions();
 154
 155     /**
 156      * Adds actions that are provided by a KVersionControlPlugin.
 157      */
 158     void addVersionControlPluginActions();
 159
 160     /**
 161      * Adds custom actions e.g. like the "[x] Expandable Folders"-action
 162      * provided in the details view.
 163      */
 164     void addCustomActions();
 165
 166     /**
 167      * Updates m_removeAction to represent the 'Delete'-action if the shift-key
 168      * has been pressed or the selection is not local. Otherwise it represents
 169      * the 'Move to Trash'-action.
 170      */
 171     void updateRemoveAction();
 172
 173     /**
 174      * @return True if a moving to the trash should be done instead of
 175      *         deleting the selected items.
 176      * @see updateRemoveAction(), slotRemoveActionTriggered()
 177      */
 178     bool moveToTrash() const;
 179
 180 private:
 181     struct Entry
 182     {
 183         int type;
 184         QString name;
 185         QString filePath;     // empty for separator
 186         QString templatePath; // same as filePath for template
 187         QString icon;
 188         QString comment;
 189     };
 190
 191     enum ContextType
 192     {
 193         NoContext = 0,
 194         ItemContext = 1,
 195         TrashContext = 2
 196     };
 197
 198     QPoint m_pos;
 199     DolphinMainWindow* m_mainWindow;
 200
 201     KFileItem m_fileInfo;
 202
 203     KUrl m_baseUrl;
 204     KFileItem* m_baseFileItem;  /// File item for m_baseUrl
 205
 206     KFileItemList m_selectedItems;
 207     mutable KFileItemListProperties* m_selectedItemsProperties;
 208
 209     int m_context;
 210     KonqCopyToMenu m_copyToMenu;
 211     QList<QAction*> m_customActions;
 212     KMenu* m_popup;
 213
 214     Command m_command;
 215
 216     bool m_shiftPressed;
 217     QAction* m_removeAction; // Action that represents either 'Move To Trash' or 'Delete'
 218 };
 219
 220 #endif