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