src/dolphincontextmenu.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at) and              *
   3  *   Cvetoslav Ludmiloff                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphincontextmenu.h"
  22
  23 #include "dolphinmainwindow.h"
  24 #include "dolphinsettings.h"
  25 #include "dolphinview.h"
  26 #include "dolphinviewcontainer.h"
  27
  28 #include <kactioncollection.h>
  29 #include <kfileplacesmodel.h>
  30 #include <kdesktopfile.h>
  31 #include <kglobal.h>
  32 #include <kiconloader.h>
  33 #include <kio/netaccess.h>
  34 #include <kmenu.h>
  35 #include <kmenubar.h>
  36 #include <kmessagebox.h>
  37 #include <kmimetypetrader.h>
  38 #include <knewmenu.h>
  39 #include <konqmimedata.h>
  40 #include <konq_operations.h>
  41 #include <konq_menuactions.h>
  42 #include <klocale.h>
  43 #include <kpropertiesdialog.h>
  44 #include <krun.h>
  45 #include <kstandardaction.h>
  46 #include <kstandarddirs.h>
  47
  48 #include <QtGui/QApplication>
  49 #include <QtGui/QClipboard>
  50 #include <QtCore/QDir>
  51
  52 DolphinContextMenu::DolphinContextMenu(DolphinMainWindow* parent,
  53                                        const KFileItem& fileInfo,
  54                                        const KUrl& baseUrl) :
  55     m_mainWindow(parent),
  56     m_fileInfo(fileInfo),
  57     m_baseUrl(baseUrl),
  58     m_context(NoContext)
  59 {
  60     // The context menu either accesses the URLs of the selected items
  61     // or the items itself. To increase the performance both lists are cached.
  62     DolphinView* view = m_mainWindow->activeViewContainer()->view();
  63     m_selectedUrls = view->selectedUrls();
  64     m_selectedItems = view->selectedItems();
  65 }
  66
  67 DolphinContextMenu::~DolphinContextMenu()
  68 {
  69 }
  70
  71 void DolphinContextMenu::open()
  72 {
  73     // get the context information
  74     if (m_baseUrl.protocol() == "trash") {
  75         m_context |= TrashContext;
  76     }
  77
  78     if (!m_fileInfo.isNull()) {
  79         m_context |= ItemContext;
  80         // TODO: handle other use cases like devices + desktop files
  81     }
  82
  83     // open the corresponding popup for the context
  84     if (m_context & TrashContext) {
  85         if (m_context & ItemContext) {
  86             openTrashItemContextMenu();
  87         } else {
  88             openTrashContextMenu();
  89         }
  90     } else if (m_context & ItemContext) {
  91         openItemContextMenu();
  92     } else {
  93         Q_ASSERT(m_context == NoContext);
  94         openViewportContextMenu();
  95     }
  96 }
  97
  98
  99 void DolphinContextMenu::openTrashContextMenu()
 100 {
 101     Q_ASSERT(m_context & TrashContext);
 102
 103     KMenu* popup = new KMenu(m_mainWindow);
 104
 105     addShowMenubarAction(popup);
 106
 107     QAction* emptyTrashAction = new QAction(KIcon("trash-empty"), i18nc("@action:inmenu", "Empty Trash"), popup);
 108     KConfig trashConfig("trashrc", KConfig::SimpleConfig);
 109     emptyTrashAction->setEnabled(!trashConfig.group("Status").readEntry("Empty", true));
 110     popup->addAction(emptyTrashAction);
 111
 112     QAction* addToPlacesAction = popup->addAction(KIcon("folder-bookmarks"),
 113                                                   i18nc("@action:inmenu Add current folder to places", "Add to Places"));
 114
 115     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 116     popup->addAction(propertiesAction);
 117
 118     QAction *action = popup->exec(QCursor::pos());
 119     if (action == emptyTrashAction) {
 120         const QString text(i18nc("@info", "Do you really want to empty the Trash? All items will get deleted."));
 121         const bool del = KMessageBox::warningContinueCancel(m_mainWindow,
 122                                                             text,
 123                                                             QString(),
 124                                                             KGuiItem(i18nc("@action:button", "Empty Trash"),
 125                                                                      KIcon("user-trash"))
 126                                                            ) == KMessageBox::Continue;
 127         if (del) {
 128             KonqOperations::emptyTrash(m_mainWindow);
 129         }
 130     } else if (action == addToPlacesAction) {
 131         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 132         if (url.isValid()) {
 133             DolphinSettings::instance().placesModel()->addPlace(i18n("Trash"), url);
 134         }
 135     }
 136
 137     popup->deleteLater();
 138 }
 139
 140 void DolphinContextMenu::openTrashItemContextMenu()
 141 {
 142     Q_ASSERT(m_context & TrashContext);
 143     Q_ASSERT(m_context & ItemContext);
 144
 145     KMenu* popup = new KMenu(m_mainWindow);
 146
 147     addShowMenubarAction(popup);
 148
 149     QAction* restoreAction = new QAction(i18nc("@action:inmenu", "Restore"), m_mainWindow);
 150     popup->addAction(restoreAction);
 151
 152     QAction* deleteAction = m_mainWindow->actionCollection()->action("delete");
 153     popup->addAction(deleteAction);
 154
 155     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 156     popup->addAction(propertiesAction);
 157
 158     if (popup->exec(QCursor::pos()) == restoreAction) {
 159         KonqOperations::restoreTrashedItems(m_selectedUrls, m_mainWindow);
 160     }
 161
 162     popup->deleteLater();
 163 }
 164
 165 void DolphinContextMenu::openItemContextMenu()
 166 {
 167     Q_ASSERT(!m_fileInfo.isNull());
 168
 169     KMenu* popup = new KMenu(m_mainWindow);
 170     addShowMenubarAction(popup);
 171     insertDefaultItemActions(popup);
 172
 173     popup->addSeparator();
 174
 175     // insert 'Bookmark This Folder' entry if exactly one item is selected
 176     QAction* addToPlacesAction = 0;
 177     if (m_fileInfo.isDir() && (m_selectedUrls.count() == 1)) {
 178         addToPlacesAction = popup->addAction(KIcon("folder-bookmarks"),
 179                                              i18nc("@action:inmenu Add selected folder to places", "Add to Places"));
 180     }
 181
 182     // Insert 'Open With...' sub menu
 183     QVector<KService::Ptr> openWithVector;
 184     const QList<QAction*> openWithActions = insertOpenWithItems(popup, openWithVector);
 185
 186     // Insert 'Actions' sub menu
 187     KonqMenuActions menuActions;
 188     menuActions.setItems(m_selectedItems);
 189     if (menuActions.addActionsTo(popup))
 190         popup->addSeparator();
 191
 192     // insert 'Properties...' entry
 193     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 194     popup->addAction(propertiesAction);
 195
 196     QAction* activatedAction = popup->exec(QCursor::pos());
 197
 198     if ((addToPlacesAction != 0) && (activatedAction == addToPlacesAction)) {
 199         const KUrl selectedUrl(m_fileInfo.url());
 200         if (selectedUrl.isValid()) {
 201             DolphinSettings::instance().placesModel()->addPlace(selectedUrl.fileName(),
 202                                                                 selectedUrl);
 203         }
 204     } else if (openWithActions.contains(activatedAction)) {
 205         // one of the 'Open With' items has been selected
 206         if (openWithActions.last() == activatedAction) {
 207             // the item 'Other...' has been selected
 208             KRun::displayOpenWithDialog(m_selectedUrls, m_mainWindow);
 209         } else {
 210             int id = openWithActions.indexOf(activatedAction);
 211             KService::Ptr servicePtr = openWithVector[id];
 212             KRun::run(*servicePtr, m_selectedUrls, m_mainWindow);
 213         }
 214     }
 215
 216     openWithVector.clear();
 217     popup->deleteLater();
 218 }
 219
 220 void DolphinContextMenu::openViewportContextMenu()
 221 {
 222     Q_ASSERT(m_fileInfo.isNull());
 223     KMenu* popup = new KMenu(m_mainWindow);
 224
 225     addShowMenubarAction(popup);
 226
 227     // setup 'Create New' menu
 228     KNewMenu* newMenu = m_mainWindow->newMenu();
 229     newMenu->slotCheckUpToDate();
 230     newMenu->setPopupFiles(m_baseUrl);
 231     popup->addMenu(newMenu->menu());
 232     popup->addSeparator();
 233
 234     QAction* pasteAction = m_mainWindow->actionCollection()->action(KStandardAction::stdName(KStandardAction::Paste));
 235     popup->addAction(pasteAction);
 236
 237     // setup 'View Mode' menu
 238     KMenu* viewModeMenu = new KMenu(i18nc("@title:menu", "View Mode"));
 239
 240     QAction* iconsMode = m_mainWindow->actionCollection()->action("icons");
 241     viewModeMenu->addAction(iconsMode);
 242
 243     QAction* detailsMode = m_mainWindow->actionCollection()->action("details");
 244     viewModeMenu->addAction(detailsMode);
 245
 246     QAction* columnsMode = m_mainWindow->actionCollection()->action("columns");
 247     viewModeMenu->addAction(columnsMode);
 248
 249     QAction* previewsMode = m_mainWindow->actionCollection()->action("previews");
 250     viewModeMenu->addAction(previewsMode);
 251
 252     popup->addMenu(viewModeMenu);
 253
 254     popup->addSeparator();
 255
 256     QAction* addToPlacesAction = popup->addAction(KIcon("folder-bookmarks"),
 257                                                   i18nc("@action:inmenu Add current folder to places", "Add to Places"));
 258     popup->addSeparator();
 259
 260     QAction* propertiesAction = popup->addAction(i18nc("@action:inmenu", "Properties"));
 261
 262     QAction* action = popup->exec(QCursor::pos());
 263     if (action == propertiesAction) {
 264         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 265         KPropertiesDialog dialog(url);
 266         dialog.exec();
 267     } else if (action == addToPlacesAction) {
 268         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 269         if (url.isValid()) {
 270             DolphinSettings::instance().placesModel()->addPlace(url.fileName(), url);
 271         }
 272     }
 273
 274     popup->deleteLater();
 275 }
 276
 277 void DolphinContextMenu::insertDefaultItemActions(KMenu* popup)
 278 {
 279     Q_ASSERT(popup != 0);
 280     const KActionCollection* collection = m_mainWindow->actionCollection();
 281
 282     // insert 'Cut', 'Copy' and 'Paste'
 283     QAction* cutAction = collection->action(KStandardAction::stdName(KStandardAction::Cut));
 284     QAction* copyAction  = collection->action(KStandardAction::stdName(KStandardAction::Copy));
 285     QAction* pasteAction = collection->action(KStandardAction::stdName(KStandardAction::Paste));
 286
 287     popup->addAction(cutAction);
 288     popup->addAction(copyAction);
 289     popup->addAction(pasteAction);
 290     popup->addSeparator();
 291
 292     // insert 'Rename'
 293     QAction* renameAction = collection->action("rename");
 294     popup->addAction(renameAction);
 295
 296     // insert 'Move to Trash' and (optionally) 'Delete'
 297     KConfigGroup kdeConfig(KGlobal::config(), "KDE");
 298     bool showDeleteCommand = kdeConfig.readEntry("ShowDeleteCommand", false);
 299     const KUrl& url = m_mainWindow->activeViewContainer()->url();
 300     if (url.isLocalFile()) {
 301         QAction* moveToTrashAction = collection->action("move_to_trash");
 302         popup->addAction(moveToTrashAction);
 303     } else {
 304         showDeleteCommand = true;
 305     }
 306
 307     if (showDeleteCommand) {
 308         QAction* deleteAction = collection->action("delete");
 309         popup->addAction(deleteAction);
 310     }
 311 }
 312
 313 QList<QAction*> DolphinContextMenu::insertOpenWithItems(KMenu* popup,
 314         QVector<KService::Ptr>& openWithVector)
 315 {
 316     // Parts of the following code have been taken
 317     // from the class KonqOperations located in
 318     // libqonq/konq_operations.h of Konqueror.
 319     // (Copyright (C) 2000  David Faure <faure@kde.org>)
 320
 321     // Prepare 'Open With' sub menu. Usually a sub menu is created, where all applications
 322     // are listed which are registered to open the item. As last entry "Other..." will be
 323     // attached which allows to select a custom application. If no applications are registered
 324     // no sub menu is created at all, only "Open With..." will be offered.
 325     bool insertOpenWithItems = true;
 326     const QString contextMimeType(m_fileInfo.mimetype());
 327
 328     QListIterator<KFileItem> mimeIt(m_selectedItems);
 329     while (insertOpenWithItems && mimeIt.hasNext()) {
 330         KFileItem item = mimeIt.next();
 331         insertOpenWithItems = (contextMimeType == item.mimetype());
 332     }
 333
 334     QList<QAction*> openWithActions;
 335     if (insertOpenWithItems) {
 336         // fill the 'Open with' sub menu with application types
 337         const KMimeType::Ptr mimePtr = KMimeType::findByUrl(m_fileInfo.url());
 338         KService::List offers = KMimeTypeTrader::self()->query(mimePtr->name(),
 339                                 "Application",
 340                                 "Type == 'Application'");
 341         if (offers.count() > 0) {
 342             KService::List::Iterator it;
 343             KMenu* openWithMenu = new KMenu(i18nc("@title:menu", "Open With"));
 344             for (it = offers.begin(); it != offers.end(); ++it) {
 345                 // The offer list from the KTrader returns duplicate
 346                 // application entries. Although this seems to be a configuration
 347                 // problem outside the scope of Dolphin, duplicated entries just
 348                 // will be skipped here.
 349                 const QString appName((*it)->name());
 350                 if (!containsEntry(openWithMenu, appName)) {
 351                     const KIcon icon((*it)->icon());
 352                     QAction* action = openWithMenu->addAction(icon, appName);
 353                     openWithVector.append(*it);
 354                     openWithActions << action;
 355                 }
 356             }
 357
 358             openWithMenu->addSeparator();
 359             QAction* action = openWithMenu->addAction(i18nc("@action:inmenu Open With", "&Other..."));
 360
 361             openWithActions << action;
 362             popup->addMenu(openWithMenu);
 363         } else {
 364             // No applications are registered, hence just offer
 365             // a "Open With..." item instead of a sub menu containing
 366             // only one entry.
 367             QAction* action = popup->addAction(i18nc("@title:menu", "Open With..."));
 368             openWithActions << action;
 369         }
 370     } else {
 371         // At least one of the selected items has a different MIME type. In this case
 372         // just show a disabled "Open With..." entry.
 373         QAction* action = popup->addAction(i18nc("@title:menu", "Open With..."));
 374         action->setEnabled(false);
 375     }
 376
 377     return openWithActions;
 378 }
 379
 380 bool DolphinContextMenu::containsEntry(const KMenu* menu,
 381                                        const QString& entryName) const
 382 {
 383     Q_ASSERT(menu != 0);
 384
 385     const QList<QAction*> list = menu->actions();
 386     const uint count = list.count();
 387     for (uint i = 0; i < count; ++i) {
 388         const QAction* action = list.at(i);
 389         if (action->text() == entryName) {
 390             return true;
 391         }
 392     }
 393
 394     return false;
 395 }
 396
 397 void DolphinContextMenu::addShowMenubarAction(KMenu* menu)
 398 {
 399     KAction* showMenuBar = m_mainWindow->showMenuBarAction();
 400     if (!m_mainWindow->menuBar()->isVisible()) {
 401         // TODO: it should not be necessary to uncheck the menu
 402         // bar action, but currently the action states don't get
 403         // updated if the menu is disabled
 404         showMenuBar->setChecked(false);
 405         menu->addAction(showMenuBar);
 406         menu->addSeparator();
 407     }
 408 }
 409
 410 #include "dolphincontextmenu.moc"