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