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 <kmessagebox.h>
  36 #include <kmimetypetrader.h>
  37 #include <knewmenu.h>
  38 #include <konqmimedata.h>
  39 #include <konq_operations.h>
  40 #include <klocale.h>
  41 #include <kpropertiesdialog.h>
  42 #include <krun.h>
  43 #include <kstandardaction.h>
  44 #include <kstandarddirs.h>
  45
  46 #include <QtGui/QApplication>
  47 #include <QtGui/QClipboard>
  48 #include <QtCore/QDir>
  49 #include <Qt3Support/Q3ValueList>
  50
  51 DolphinContextMenu::DolphinContextMenu(DolphinMainWindow* parent,
  52                                        KFileItem* fileInfo,
  53                                        const KUrl& baseUrl) :
  54     m_mainWindow(parent),
  55     m_fileInfo(fileInfo),
  56     m_baseUrl(baseUrl),
  57     m_context(NoContext)
  58 {
  59     // The context menu either accesses the URLs of the selected items
  60     // or the items itself. To increase the performance both lists are cached.
  61     DolphinView* view = m_mainWindow->activeViewContainer()->view();
  62     m_selectedUrls = view->selectedUrls();
  63     m_selectedItems = view->selectedItems();
  64 }
  65
  66 DolphinContextMenu::~DolphinContextMenu()
  67 {
  68 }
  69
  70 void DolphinContextMenu::open()
  71 {
  72     // get the context information
  73     if (m_baseUrl.protocol() == "trash") {
  74         m_context |= TrashContext;
  75     }
  76
  77     if (m_fileInfo != 0) {
  78         m_context |= ItemContext;
  79         // TODO: handle other use cases like devices + desktop files
  80     }
  81
  82     // open the corresponding popup for the context
  83     if (m_context & TrashContext) {
  84         if (m_context & ItemContext) {
  85             openTrashItemContextMenu();
  86         } else {
  87             openTrashContextMenu();
  88         }
  89     } else if (m_context & ItemContext) {
  90         openItemContextMenu();
  91     } else {
  92         Q_ASSERT(m_context == NoContext);
  93         openViewportContextMenu();
  94     }
  95 }
  96
  97
  98 void DolphinContextMenu::openTrashContextMenu()
  99 {
 100     Q_ASSERT(m_context & TrashContext);
 101
 102     KMenu* popup = new KMenu(m_mainWindow);
 103
 104     QAction* emptyTrashAction = new QAction(KIcon("emptytrash"), i18n("Empty Trash"), popup);
 105     KConfig trashConfig("trashrc", KConfig::OnlyLocal);
 106     emptyTrashAction->setEnabled(!trashConfig.group("Status").readEntry("Empty", true));
 107     popup->addAction(emptyTrashAction);
 108
 109     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 110     popup->addAction(propertiesAction);
 111
 112     if (popup->exec(QCursor::pos()) == emptyTrashAction) {
 113         const QString text(i18n("Do you really want to empty the Trash? All items will get deleted."));
 114         const bool del = KMessageBox::warningContinueCancel(m_mainWindow,
 115                                                             text,
 116                                                             QString(),
 117                                                             KGuiItem(i18n("Empty Trash"), KIcon("user-trash"))
 118                                                            ) == KMessageBox::Continue;
 119         if (del) {
 120             KonqOperations::emptyTrash(m_mainWindow);
 121         }
 122     }
 123
 124     popup->deleteLater();
 125 }
 126
 127 void DolphinContextMenu::openTrashItemContextMenu()
 128 {
 129     Q_ASSERT(m_context & TrashContext);
 130     Q_ASSERT(m_context & ItemContext);
 131
 132     KMenu* popup = new KMenu(m_mainWindow);
 133
 134     QAction* restoreAction = new QAction(i18n("Restore"), m_mainWindow);
 135     popup->addAction(restoreAction);
 136
 137     QAction* deleteAction = m_mainWindow->actionCollection()->action("delete");
 138     popup->addAction(deleteAction);
 139
 140     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 141     popup->addAction(propertiesAction);
 142
 143     if (popup->exec(QCursor::pos()) == restoreAction) {
 144         KonqOperations::restoreTrashedItems(m_selectedUrls, m_mainWindow);
 145     }
 146
 147     popup->deleteLater();
 148 }
 149
 150 void DolphinContextMenu::openItemContextMenu()
 151 {
 152     Q_ASSERT(m_fileInfo != 0);
 153
 154     KMenu* popup = new KMenu(m_mainWindow);
 155     insertDefaultItemActions(popup);
 156
 157     popup->addSeparator();
 158
 159     // insert 'Bookmark This Folder' entry if exactly one item is selected
 160     QAction* bookmarkAction = 0;
 161     if (m_fileInfo->isDir() && (m_selectedUrls.count() == 1)) {
 162         bookmarkAction = popup->addAction(KIcon("bookmark-folder"), i18n("Bookmark Folder..."));
 163     }
 164
 165     // Insert 'Open With...' sub menu
 166     QVector<KService::Ptr> openWithVector;
 167     const QList<QAction*> openWithActions = insertOpenWithItems(popup, openWithVector);
 168
 169     // Insert 'Actions' sub menu
 170     QVector<KDesktopFileActions::Service> actionsVector;
 171     const QList<QAction*> serviceActions = insertActionItems(popup, actionsVector);
 172     popup->addSeparator();
 173
 174     // insert 'Properties...' entry
 175     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 176     popup->addAction(propertiesAction);
 177
 178     QAction* activatedAction = popup->exec(QCursor::pos());
 179
 180     if ((bookmarkAction != 0) && (activatedAction == bookmarkAction)) {
 181         const KUrl selectedUrl(m_fileInfo->url());
 182         if (selectedUrl.isValid()) {
 183             DolphinSettings::instance().placesModel()->addPlace(selectedUrl.fileName(),
 184                                                                 selectedUrl);
 185         }
 186     } else if (serviceActions.contains(activatedAction)) {
 187         // one of the 'Actions' items has been selected
 188         int id = serviceActions.indexOf(activatedAction);
 189         KDesktopFileActions::executeService(m_selectedUrls, actionsVector[id]);
 190     } else if (openWithActions.contains(activatedAction)) {
 191         // one of the 'Open With' items has been selected
 192         if (openWithActions.last() == activatedAction) {
 193             // the item 'Other...' has been selected
 194             KRun::displayOpenWithDialog(m_selectedUrls, m_mainWindow);
 195         } else {
 196             int id = openWithActions.indexOf(activatedAction);
 197             KService::Ptr servicePtr = openWithVector[id];
 198             KRun::run(*servicePtr, m_selectedUrls, m_mainWindow);
 199         }
 200     }
 201
 202     openWithVector.clear();
 203     actionsVector.clear();
 204     popup->deleteLater();
 205 }
 206
 207 void DolphinContextMenu::openViewportContextMenu()
 208 {
 209     Q_ASSERT(m_fileInfo == 0);
 210     KMenu* popup = new KMenu(m_mainWindow);
 211
 212     // setup 'Create New' menu
 213     KNewMenu* newMenu = m_mainWindow->newMenu();
 214     newMenu->slotCheckUpToDate();
 215     newMenu->setPopupFiles(m_baseUrl);
 216     popup->addMenu(newMenu->menu());
 217     popup->addSeparator();
 218
 219     QAction* pasteAction = m_mainWindow->actionCollection()->action(KStandardAction::stdName(KStandardAction::Paste));
 220     popup->addAction(pasteAction);
 221
 222     // setup 'View Mode' menu
 223     KMenu* viewModeMenu = new KMenu(i18n("View Mode"));
 224
 225     QAction* iconsMode = m_mainWindow->actionCollection()->action("icons");
 226     viewModeMenu->addAction(iconsMode);
 227
 228     QAction* detailsMode = m_mainWindow->actionCollection()->action("details");
 229     viewModeMenu->addAction(detailsMode);
 230
 231     QAction* columnsMode = m_mainWindow->actionCollection()->action("columns");
 232     viewModeMenu->addAction(columnsMode);
 233
 234     QAction* previewsMode = m_mainWindow->actionCollection()->action("previews");
 235     viewModeMenu->addAction(previewsMode);
 236
 237     popup->addMenu(viewModeMenu);
 238
 239     QAction* toggleViewsAction = 0;
 240     if (m_mainWindow->isSplit()) {
 241         toggleViewsAction = popup->addAction(i18n("Toggle Views"));
 242     }
 243
 244     popup->addSeparator();
 245
 246     QAction* bookmarkAction = popup->addAction(KIcon("bookmark-folder"), i18n("Bookmark This Folder..."));
 247     popup->addSeparator();
 248
 249     QAction* propertiesAction = popup->addAction(i18n("Properties"));
 250
 251     QAction* action = popup->exec(QCursor::pos());
 252     if (action == propertiesAction) {
 253         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 254         KPropertiesDialog dialog(url);
 255         dialog.exec();
 256     } else if (action == bookmarkAction) {
 257         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 258         if (url.isValid()) {
 259             DolphinSettings::instance().placesModel()->addPlace(url.fileName(), url);
 260         }
 261     } else if ((toggleViewsAction != 0) && (action == toggleViewsAction)) {
 262         m_mainWindow->toggleViews();
 263     }
 264
 265     popup->deleteLater();
 266 }
 267
 268 void DolphinContextMenu::insertDefaultItemActions(KMenu* popup)
 269 {
 270     Q_ASSERT(popup != 0);
 271     const KActionCollection* collection = m_mainWindow->actionCollection();
 272
 273     // insert 'Cut', 'Copy' and 'Paste'
 274     QAction* cutAction = collection->action(KStandardAction::stdName(KStandardAction::Cut));
 275     QAction* copyAction  = collection->action(KStandardAction::stdName(KStandardAction::Copy));
 276     QAction* pasteAction = collection->action(KStandardAction::stdName(KStandardAction::Paste));
 277
 278     popup->addAction(cutAction);
 279     popup->addAction(copyAction);
 280     popup->addAction(pasteAction);
 281     popup->addSeparator();
 282
 283     // insert 'Rename'
 284     QAction* renameAction = collection->action("rename");
 285     popup->addAction(renameAction);
 286
 287     // insert 'Move to Trash' and (optionally) 'Delete'
 288     const KSharedConfig::Ptr globalConfig = KSharedConfig::openConfig("kdeglobals", KConfig::NoGlobals);
 289     const KConfigGroup kdeConfig(globalConfig, "KDE");
 290     bool showDeleteCommand = kdeConfig.readEntry("ShowDeleteCommand", false);
 291     const KUrl& url = m_mainWindow->activeViewContainer()->url();
 292     if (url.isLocalFile()) {
 293         QAction* moveToTrashAction = collection->action("move_to_trash");
 294         popup->addAction(moveToTrashAction);
 295     } else {
 296         showDeleteCommand = true;
 297     }
 298
 299     if (showDeleteCommand) {
 300         QAction* deleteAction = collection->action("delete");
 301         popup->addAction(deleteAction);
 302     }
 303 }
 304
 305 QList<QAction*> DolphinContextMenu::insertOpenWithItems(KMenu* popup,
 306         QVector<KService::Ptr>& openWithVector)
 307 {
 308     // Parts of the following code have been taken
 309     // from the class KonqOperations located in
 310     // libqonq/konq_operations.h of Konqueror.
 311     // (Copyright (C) 2000  David Faure <faure@kde.org>)
 312
 313     // Prepare 'Open With' sub menu. Usually a sub menu is created, where all applications
 314     // are listed which are registered to open the item. As last entry "Other..." will be
 315     // attached which allows to select a custom application. If no applications are registered
 316     // no sub menu is created at all, only "Open With..." will be offered.
 317     bool insertOpenWithItems = true;
 318     const QString contextMimeType(m_fileInfo->mimetype());
 319
 320     QListIterator<KFileItem*> mimeIt(m_selectedItems);
 321     while (insertOpenWithItems && mimeIt.hasNext()) {
 322         KFileItem* item = mimeIt.next();
 323         insertOpenWithItems = (contextMimeType == item->mimetype());
 324     }
 325
 326     QList<QAction*> openWithActions;
 327     if (insertOpenWithItems) {
 328         // fill the 'Open with' sub menu with application types
 329         const KMimeType::Ptr mimePtr = KMimeType::findByUrl(m_fileInfo->url());
 330         KService::List offers = KMimeTypeTrader::self()->query(mimePtr->name(),
 331                                 "Application",
 332                                 "Type == 'Application'");
 333         if (offers.count() > 0) {
 334             KService::List::Iterator it;
 335             KMenu* openWithMenu = new KMenu(i18n("Open With"));
 336             for (it = offers.begin(); it != offers.end(); ++it) {
 337                 // The offer list from the KTrader returns duplicate
 338                 // application entries. Although this seems to be a configuration
 339                 // problem outside the scope of Dolphin, duplicated entries just
 340                 // will be skipped here.
 341                 const QString appName((*it)->name());
 342                 if (!containsEntry(openWithMenu, appName)) {
 343                     const KIcon icon((*it)->icon());
 344                     QAction* action = openWithMenu->addAction(icon, appName);
 345                     openWithVector.append(*it);
 346                     openWithActions << action;
 347                 }
 348             }
 349
 350             openWithMenu->addSeparator();
 351             QAction* action = openWithMenu->addAction(i18n("&Other..."));
 352
 353             openWithActions << action;
 354             popup->addMenu(openWithMenu);
 355         } else {
 356             // No applications are registered, hence just offer
 357             // a "Open With..." item instead of a sub menu containing
 358             // only one entry.
 359             QAction* action = popup->addAction(i18n("Open With..."));
 360             openWithActions << action;
 361         }
 362     } else {
 363         // At least one of the selected items has a different MIME type. In this case
 364         // just show a disabled "Open With..." entry.
 365         QAction* action = popup->addAction(i18n("Open With..."));
 366         action->setEnabled(false);
 367     }
 368
 369     return openWithActions;
 370 }
 371
 372 QList<QAction*> DolphinContextMenu::insertActionItems(KMenu* popup,
 373                                                       QVector<KDesktopFileActions::Service>& actionsVector)
 374 {
 375     // Parts of the following code have been taken
 376     // from the class KonqOperations located in
 377     // libqonq/konq_operations.h of Konqueror.
 378     // (Copyright (C) 2000  David Faure <faure@kde.org>)
 379
 380     KMenu* actionsMenu = new KMenu(i18n("Actions"));
 381
 382     QList<QAction*> serviceActions;
 383
 384     QStringList dirs = KGlobal::dirs()->findDirs("data", "dolphin/servicemenus/");
 385
 386     KMenu* menu = 0;
 387     for (QStringList::ConstIterator dirIt = dirs.begin(); dirIt != dirs.end(); ++dirIt) {
 388         QDir dir(*dirIt);
 389         QStringList filters;
 390         filters << "*.desktop";
 391         dir.setNameFilters(filters);
 392         QStringList entries = dir.entryList(QDir::Files);
 393
 394         for (QStringList::ConstIterator entryIt = entries.begin(); entryIt != entries.end(); ++entryIt) {
 395             KConfigGroup cfg(KSharedConfig::openConfig(*dirIt + *entryIt, KConfig::OnlyLocal), "Desktop Entry");
 396             if ((cfg.hasKey("Actions") || cfg.hasKey("X-KDE-GetActionMenu")) && cfg.hasKey("ServiceTypes")) {
 397                 //const QStringList types = cfg.readListEntry("ServiceTypes");
 398                 QStringList types;
 399                 types = cfg.readEntry("ServiceTypes", types);
 400                 for (QStringList::ConstIterator it = types.begin(); it != types.end(); ++it) {
 401                     // check whether the mime type is equal or whether the
 402                     // mimegroup (e. g. image/*) is supported
 403
 404                     bool insert = false;
 405                     if ((*it) == "all/allfiles") {
 406                         // The service type is valid for all files, but not for directories.
 407                         // Check whether the selected items only consist of files...
 408                         QListIterator<KFileItem*> mimeIt(m_selectedItems);
 409                         insert = true;
 410                         while (insert && mimeIt.hasNext()) {
 411                             KFileItem* item = mimeIt.next();
 412                             insert = !item->isDir();
 413                         }
 414                     }
 415
 416                     if (!insert) {
 417                         // Check whether the MIME types of all selected files match
 418                         // to the mimetype of the service action. As soon as one MIME
 419                         // type does not match, no service menu is shown at all.
 420                         QListIterator<KFileItem*> mimeIt(m_selectedItems);
 421                         insert = true;
 422                         while (insert && mimeIt.hasNext()) {
 423                             KFileItem* item = mimeIt.next();
 424                             const QString mimeType(item->mimetype());
 425                             const QString mimeGroup(mimeType.left(mimeType.indexOf('/')));
 426
 427                             insert  = (*it == mimeType) ||
 428                                       ((*it).right(1) == "*") &&
 429                                       ((*it).left((*it).indexOf('/')) == mimeGroup);
 430                         }
 431                     }
 432
 433                     if (insert) {
 434                         menu = actionsMenu;
 435
 436                         const QString submenuName = cfg.readEntry("X-KDE-Submenu");
 437                         if (!submenuName.isEmpty()) {
 438                             menu = new KMenu(submenuName);
 439                             actionsMenu->addMenu(menu);
 440                         }
 441
 442                         Q3ValueList<KDesktopFileActions::Service> userServices =
 443                             KDesktopFileActions::userDefinedServices(*dirIt + *entryIt, true);
 444
 445                         Q3ValueList<KDesktopFileActions::Service>::Iterator serviceIt;
 446                         for (serviceIt = userServices.begin(); serviceIt != userServices.end(); ++serviceIt) {
 447                             KDesktopFileActions::Service service = (*serviceIt);
 448                             if (!service.m_strIcon.isEmpty()) {
 449                                 QAction* action = menu->addAction(KIcon(service.m_strIcon),
 450                                                                   service.m_strName);
 451                                 serviceActions << action;
 452                             } else {
 453                                 QAction *action = menu->addAction(service.m_strName);
 454                                 serviceActions << action;
 455                             }
 456                             actionsVector.append(service);
 457                         }
 458                     }
 459                 }
 460             }
 461         }
 462     }
 463
 464     const int itemsCount = actionsMenu->actions().count();
 465     if (itemsCount == 0) {
 466         // no actions are available at all, hence show the "Actions"
 467         // submenu disabled
 468         actionsMenu->setEnabled(false);
 469     }
 470
 471     if (itemsCount == 1) {
 472         // Exactly one item is available. Instead of showing a sub menu with
 473         // only one item, show the item directly in the root menu.
 474         if (menu == actionsMenu) {
 475             // The item is an action, hence show the action in the root menu.
 476             const QList<QAction*> actions = actionsMenu->actions();
 477             Q_ASSERT(actions.count() == 1);
 478
 479             const QString text = actions[0]->text();
 480             const QIcon icon = actions[0]->icon();
 481             if (icon.isNull()) {
 482                 QAction* action = popup->addAction(text);
 483                 serviceActions.clear();
 484                 serviceActions << action;
 485             } else {
 486                 QAction* action = popup->addAction(icon, text);
 487                 serviceActions.clear();
 488                 serviceActions << action;
 489             }
 490         } else {
 491             // The item is a sub menu, hence show the sub menu in the root menu.
 492             popup->addMenu(menu);
 493         }
 494         actionsMenu->deleteLater();
 495         actionsMenu = 0;
 496     } else {
 497         popup->addMenu(actionsMenu);
 498     }
 499
 500     return serviceActions;
 501 }
 502
 503 bool DolphinContextMenu::containsEntry(const KMenu* menu,
 504                                        const QString& entryName) const
 505 {
 506     Q_ASSERT(menu != 0);
 507
 508     const QList<QAction*> list = menu->actions();
 509     const uint count = list.count();
 510     for (uint i = 0; i < count; ++i) {
 511         const QAction* action = list.at(i);
 512         if (action->text() == entryName) {
 513             return true;
 514         }
 515     }
 516
 517     return false;
 518 }
 519
 520 #include "dolphincontextmenu.moc"