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"), i18nc("@action:inmenu", "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(i18nc("@info", "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(i18nc("@action:button", "Empty Trash"),
 118                                                                      KIcon("user-trash"))
 119                                                            ) == KMessageBox::Continue;
 120         if (del) {
 121             KonqOperations::emptyTrash(m_mainWindow);
 122         }
 123     }
 124
 125     popup->deleteLater();
 126 }
 127
 128 void DolphinContextMenu::openTrashItemContextMenu()
 129 {
 130     Q_ASSERT(m_context & TrashContext);
 131     Q_ASSERT(m_context & ItemContext);
 132
 133     KMenu* popup = new KMenu(m_mainWindow);
 134
 135     QAction* restoreAction = new QAction(i18nc("@action:inmenu", "Restore"), m_mainWindow);
 136     popup->addAction(restoreAction);
 137
 138     QAction* deleteAction = m_mainWindow->actionCollection()->action("delete");
 139     popup->addAction(deleteAction);
 140
 141     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 142     popup->addAction(propertiesAction);
 143
 144     if (popup->exec(QCursor::pos()) == restoreAction) {
 145         KonqOperations::restoreTrashedItems(m_selectedUrls, m_mainWindow);
 146     }
 147
 148     popup->deleteLater();
 149 }
 150
 151 void DolphinContextMenu::openItemContextMenu()
 152 {
 153     Q_ASSERT(m_fileInfo != 0);
 154
 155     KMenu* popup = new KMenu(m_mainWindow);
 156     insertDefaultItemActions(popup);
 157
 158     popup->addSeparator();
 159
 160     // insert 'Bookmark This Folder' entry if exactly one item is selected
 161     QAction* bookmarkAction = 0;
 162     if (m_fileInfo->isDir() && (m_selectedUrls.count() == 1)) {
 163         bookmarkAction = popup->addAction(KIcon("bookmark-folder"),
 164                                           i18nc("@action:inmenu", "Bookmark Folder..."));
 165     }
 166
 167     // Insert 'Open With...' sub menu
 168     QVector<KService::Ptr> openWithVector;
 169     const QList<QAction*> openWithActions = insertOpenWithItems(popup, openWithVector);
 170
 171     // Insert 'Actions' sub menu
 172     QVector<KDesktopFileActions::Service> actionsVector;
 173     const QList<QAction*> serviceActions = insertActionItems(popup, actionsVector);
 174     popup->addSeparator();
 175
 176     // insert 'Properties...' entry
 177     QAction* propertiesAction = m_mainWindow->actionCollection()->action("properties");
 178     popup->addAction(propertiesAction);
 179
 180     QAction* activatedAction = popup->exec(QCursor::pos());
 181
 182     if ((bookmarkAction != 0) && (activatedAction == bookmarkAction)) {
 183         const KUrl selectedUrl(m_fileInfo->url());
 184         if (selectedUrl.isValid()) {
 185             DolphinSettings::instance().placesModel()->addPlace(selectedUrl.fileName(),
 186                                                                 selectedUrl);
 187         }
 188     } else if (serviceActions.contains(activatedAction)) {
 189         // one of the 'Actions' items has been selected
 190         int id = serviceActions.indexOf(activatedAction);
 191         KDesktopFileActions::executeService(m_selectedUrls, actionsVector[id]);
 192     } else if (openWithActions.contains(activatedAction)) {
 193         // one of the 'Open With' items has been selected
 194         if (openWithActions.last() == activatedAction) {
 195             // the item 'Other...' has been selected
 196             KRun::displayOpenWithDialog(m_selectedUrls, m_mainWindow);
 197         } else {
 198             int id = openWithActions.indexOf(activatedAction);
 199             KService::Ptr servicePtr = openWithVector[id];
 200             KRun::run(*servicePtr, m_selectedUrls, m_mainWindow);
 201         }
 202     }
 203
 204     openWithVector.clear();
 205     actionsVector.clear();
 206     popup->deleteLater();
 207 }
 208
 209 void DolphinContextMenu::openViewportContextMenu()
 210 {
 211     Q_ASSERT(m_fileInfo == 0);
 212     KMenu* popup = new KMenu(m_mainWindow);
 213
 214     // setup 'Create New' menu
 215     KNewMenu* newMenu = m_mainWindow->newMenu();
 216     newMenu->slotCheckUpToDate();
 217     newMenu->setPopupFiles(m_baseUrl);
 218     popup->addMenu(newMenu->menu());
 219     popup->addSeparator();
 220
 221     QAction* pasteAction = m_mainWindow->actionCollection()->action(KStandardAction::stdName(KStandardAction::Paste));
 222     popup->addAction(pasteAction);
 223
 224     // setup 'View Mode' menu
 225     KMenu* viewModeMenu = new KMenu(i18nc("@title:menu", "View Mode"));
 226
 227     QAction* iconsMode = m_mainWindow->actionCollection()->action("icons");
 228     viewModeMenu->addAction(iconsMode);
 229
 230     QAction* detailsMode = m_mainWindow->actionCollection()->action("details");
 231     viewModeMenu->addAction(detailsMode);
 232
 233     QAction* columnsMode = m_mainWindow->actionCollection()->action("columns");
 234     viewModeMenu->addAction(columnsMode);
 235
 236     QAction* previewsMode = m_mainWindow->actionCollection()->action("previews");
 237     viewModeMenu->addAction(previewsMode);
 238
 239     popup->addMenu(viewModeMenu);
 240
 241     popup->addSeparator();
 242
 243     QAction* bookmarkAction = popup->addAction(KIcon("bookmark-folder"),
 244                                                i18nc("@action:inmenu", "Bookmark This Folder..."));
 245     popup->addSeparator();
 246
 247     QAction* propertiesAction = popup->addAction(i18nc("@action:inmenu", "Properties"));
 248
 249     QAction* action = popup->exec(QCursor::pos());
 250     if (action == propertiesAction) {
 251         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 252         KPropertiesDialog dialog(url);
 253         dialog.exec();
 254     } else if (action == bookmarkAction) {
 255         const KUrl& url = m_mainWindow->activeViewContainer()->url();
 256         if (url.isValid()) {
 257             DolphinSettings::instance().placesModel()->addPlace(url.fileName(), url);
 258         }
 259     }
 260
 261     popup->deleteLater();
 262 }
 263
 264 void DolphinContextMenu::insertDefaultItemActions(KMenu* popup)
 265 {
 266     Q_ASSERT(popup != 0);
 267     const KActionCollection* collection = m_mainWindow->actionCollection();
 268
 269     // insert 'Cut', 'Copy' and 'Paste'
 270     QAction* cutAction = collection->action(KStandardAction::stdName(KStandardAction::Cut));
 271     QAction* copyAction  = collection->action(KStandardAction::stdName(KStandardAction::Copy));
 272     QAction* pasteAction = collection->action(KStandardAction::stdName(KStandardAction::Paste));
 273
 274     popup->addAction(cutAction);
 275     popup->addAction(copyAction);
 276     popup->addAction(pasteAction);
 277     popup->addSeparator();
 278
 279     // insert 'Rename'
 280     QAction* renameAction = collection->action("rename");
 281     popup->addAction(renameAction);
 282
 283     // insert 'Move to Trash' and (optionally) 'Delete'
 284     const KSharedConfig::Ptr globalConfig = KSharedConfig::openConfig("kdeglobals", KConfig::NoGlobals);
 285     const KConfigGroup kdeConfig(globalConfig, "KDE");
 286     bool showDeleteCommand = kdeConfig.readEntry("ShowDeleteCommand", false);
 287     const KUrl& url = m_mainWindow->activeViewContainer()->url();
 288     if (url.isLocalFile()) {
 289         QAction* moveToTrashAction = collection->action("move_to_trash");
 290         popup->addAction(moveToTrashAction);
 291     } else {
 292         showDeleteCommand = true;
 293     }
 294
 295     if (showDeleteCommand) {
 296         QAction* deleteAction = collection->action("delete");
 297         popup->addAction(deleteAction);
 298     }
 299 }
 300
 301 QList<QAction*> DolphinContextMenu::insertOpenWithItems(KMenu* popup,
 302         QVector<KService::Ptr>& openWithVector)
 303 {
 304     // Parts of the following code have been taken
 305     // from the class KonqOperations located in
 306     // libqonq/konq_operations.h of Konqueror.
 307     // (Copyright (C) 2000  David Faure <faure@kde.org>)
 308
 309     // Prepare 'Open With' sub menu. Usually a sub menu is created, where all applications
 310     // are listed which are registered to open the item. As last entry "Other..." will be
 311     // attached which allows to select a custom application. If no applications are registered
 312     // no sub menu is created at all, only "Open With..." will be offered.
 313     bool insertOpenWithItems = true;
 314     const QString contextMimeType(m_fileInfo->mimetype());
 315
 316     QListIterator<KFileItem*> mimeIt(m_selectedItems);
 317     while (insertOpenWithItems && mimeIt.hasNext()) {
 318         KFileItem* item = mimeIt.next();
 319         insertOpenWithItems = (contextMimeType == item->mimetype());
 320     }
 321
 322     QList<QAction*> openWithActions;
 323     if (insertOpenWithItems) {
 324         // fill the 'Open with' sub menu with application types
 325         const KMimeType::Ptr mimePtr = KMimeType::findByUrl(m_fileInfo->url());
 326         KService::List offers = KMimeTypeTrader::self()->query(mimePtr->name(),
 327                                 "Application",
 328                                 "Type == 'Application'");
 329         if (offers.count() > 0) {
 330             KService::List::Iterator it;
 331             KMenu* openWithMenu = new KMenu(i18nc("@title:menu", "Open With"));
 332             for (it = offers.begin(); it != offers.end(); ++it) {
 333                 // The offer list from the KTrader returns duplicate
 334                 // application entries. Although this seems to be a configuration
 335                 // problem outside the scope of Dolphin, duplicated entries just
 336                 // will be skipped here.
 337                 const QString appName((*it)->name());
 338                 if (!containsEntry(openWithMenu, appName)) {
 339                     const KIcon icon((*it)->icon());
 340                     QAction* action = openWithMenu->addAction(icon, appName);
 341                     openWithVector.append(*it);
 342                     openWithActions << action;
 343                 }
 344             }
 345
 346             openWithMenu->addSeparator();
 347             QAction* action = openWithMenu->addAction(i18nc("@action:inmenu Open With", "&Other..."));
 348
 349             openWithActions << action;
 350             popup->addMenu(openWithMenu);
 351         } else {
 352             // No applications are registered, hence just offer
 353             // a "Open With..." item instead of a sub menu containing
 354             // only one entry.
 355             QAction* action = popup->addAction(i18nc("@title:menu", "Open With..."));
 356             openWithActions << action;
 357         }
 358     } else {
 359         // At least one of the selected items has a different MIME type. In this case
 360         // just show a disabled "Open With..." entry.
 361         QAction* action = popup->addAction(i18nc("@title:menu", "Open With..."));
 362         action->setEnabled(false);
 363     }
 364
 365     return openWithActions;
 366 }
 367
 368 QList<QAction*> DolphinContextMenu::insertActionItems(KMenu* popup,
 369                                                       QVector<KDesktopFileActions::Service>& actionsVector)
 370 {
 371     // Parts of the following code have been taken
 372     // from the class KonqOperations located in
 373     // libqonq/konq_operations.h of Konqueror.
 374     // (Copyright (C) 2000  David Faure <faure@kde.org>)
 375
 376     KMenu* actionsMenu = new KMenu(i18nc("@title:menu", "Actions"));
 377
 378     QList<QAction*> serviceActions;
 379
 380     QStringList dirs = KGlobal::dirs()->findDirs("data", "dolphin/servicemenus/");
 381
 382     KMenu* menu = 0;
 383     for (QStringList::ConstIterator dirIt = dirs.begin(); dirIt != dirs.end(); ++dirIt) {
 384         QDir dir(*dirIt);
 385         QStringList filters;
 386         filters << "*.desktop";
 387         dir.setNameFilters(filters);
 388         QStringList entries = dir.entryList(QDir::Files);
 389
 390         for (QStringList::ConstIterator entryIt = entries.begin(); entryIt != entries.end(); ++entryIt) {
 391             KConfigGroup cfg(KSharedConfig::openConfig(*dirIt + *entryIt, KConfig::OnlyLocal), "Desktop Entry");
 392             if ((cfg.hasKey("Actions") || cfg.hasKey("X-KDE-GetActionMenu")) && cfg.hasKey("ServiceTypes")) {
 393                 //const QStringList types = cfg.readListEntry("ServiceTypes");
 394                 QStringList types;
 395                 types = cfg.readEntry("ServiceTypes", types);
 396                 for (QStringList::ConstIterator it = types.begin(); it != types.end(); ++it) {
 397                     // check whether the mime type is equal or whether the
 398                     // mimegroup (e. g. image/*) is supported
 399
 400                     bool insert = false;
 401                     if ((*it) == "all/allfiles") {
 402                         // The service type is valid for all files, but not for directories.
 403                         // Check whether the selected items only consist of files...
 404                         QListIterator<KFileItem*> mimeIt(m_selectedItems);
 405                         insert = true;
 406                         while (insert && mimeIt.hasNext()) {
 407                             KFileItem* item = mimeIt.next();
 408                             insert = !item->isDir();
 409                         }
 410                     }
 411
 412                     if (!insert) {
 413                         // Check whether the MIME types of all selected files match
 414                         // to the mimetype of the service action. As soon as one MIME
 415                         // type does not match, no service menu is shown at all.
 416                         QListIterator<KFileItem*> mimeIt(m_selectedItems);
 417                         insert = true;
 418                         while (insert && mimeIt.hasNext()) {
 419                             KFileItem* item = mimeIt.next();
 420                             const QString mimeType(item->mimetype());
 421                             const QString mimeGroup(mimeType.left(mimeType.indexOf('/')));
 422
 423                             insert  = (*it == mimeType) ||
 424                                       ((*it).right(1) == "*") &&
 425                                       ((*it).left((*it).indexOf('/')) == mimeGroup);
 426                         }
 427                     }
 428
 429                     if (insert) {
 430                         menu = actionsMenu;
 431
 432                         const QString submenuName = cfg.readEntry("X-KDE-Submenu");
 433                         if (!submenuName.isEmpty()) {
 434                             menu = new KMenu(submenuName);
 435                             actionsMenu->addMenu(menu);
 436                         }
 437
 438                         Q3ValueList<KDesktopFileActions::Service> userServices =
 439                             KDesktopFileActions::userDefinedServices(*dirIt + *entryIt, true);
 440
 441                         Q3ValueList<KDesktopFileActions::Service>::Iterator serviceIt;
 442                         for (serviceIt = userServices.begin(); serviceIt != userServices.end(); ++serviceIt) {
 443                             KDesktopFileActions::Service service = (*serviceIt);
 444                             if (!service.m_strIcon.isEmpty()) {
 445                                 QAction* action = menu->addAction(KIcon(service.m_strIcon),
 446                                                                   service.m_strName);
 447                                 serviceActions << action;
 448                             } else {
 449                                 QAction *action = menu->addAction(service.m_strName);
 450                                 serviceActions << action;
 451                             }
 452                             actionsVector.append(service);
 453                         }
 454                     }
 455                 }
 456             }
 457         }
 458     }
 459
 460     const int itemsCount = actionsMenu->actions().count();
 461     if (itemsCount == 0) {
 462         // no actions are available at all, hence show the "Actions"
 463         // submenu disabled
 464         actionsMenu->setEnabled(false);
 465     }
 466
 467     if (itemsCount == 1) {
 468         // Exactly one item is available. Instead of showing a sub menu with
 469         // only one item, show the item directly in the root menu.
 470         if (menu == actionsMenu) {
 471             // The item is an action, hence show the action in the root menu.
 472             const QList<QAction*> actions = actionsMenu->actions();
 473             Q_ASSERT(actions.count() == 1);
 474
 475             const QString text = actions[0]->text();
 476             const QIcon icon = actions[0]->icon();
 477             if (icon.isNull()) {
 478                 QAction* action = popup->addAction(text);
 479                 serviceActions.clear();
 480                 serviceActions << action;
 481             } else {
 482                 QAction* action = popup->addAction(icon, text);
 483                 serviceActions.clear();
 484                 serviceActions << action;
 485             }
 486         } else {
 487             // The item is a sub menu, hence show the sub menu in the root menu.
 488             popup->addMenu(menu);
 489         }
 490         actionsMenu->deleteLater();
 491         actionsMenu = 0;
 492     } else {
 493         popup->addMenu(actionsMenu);
 494     }
 495
 496     return serviceActions;
 497 }
 498
 499 bool DolphinContextMenu::containsEntry(const KMenu* menu,
 500                                        const QString& entryName) const
 501 {
 502     Q_ASSERT(menu != 0);
 503
 504     const QList<QAction*> list = menu->actions();
 505     const uint count = list.count();
 506     for (uint i = 0; i < count; ++i) {
 507         const QAction* action = list.at(i);
 508         if (action->text() == entryName) {
 509             return true;
 510         }
 511     }
 512
 513     return false;
 514 }
 515
 516 #include "dolphincontextmenu.moc"