bool MLModel::isSupportedAction( actions action, const QModelIndex &index ) const
{
switch ( action )
{
case ACTION_ADDTOPLAYLIST:
return index.isValid();
case ACTION_SORT:
return false;
case ACTION_PLAY:
case ACTION_STREAM:
case ACTION_SAVE:
case ACTION_INFO:
case ACTION_REMOVE:
return index.isValid();
case ACTION_EXPLORE:
if( index.isValid() )
return getURI( index ).startsWith( "file://" );
case ACTION_CREATENODE:
return false;
case ACTION_CLEAR:
return rowCount() && canEdit();
case ACTION_ENQUEUEFILE:
case ACTION_ENQUEUEDIR:
case ACTION_ENQUEUEGENERIC:
return canEdit();
default:
return false;
}
return false;
}
void ChatData::invalidateParticipants() {
auto wasCanEdit = canEdit();
participants.clear();
admins.clear();
removeFlags(MTPDchat::Flag::f_admin);
invitedByMe.clear();
botStatus = 0;
if (wasCanEdit != canEdit()) {
Notify::peerUpdatedDelayed(this, Notify::PeerUpdate::Flag::ChatCanEdit);
}
Notify::peerUpdatedDelayed(this, Notify::PeerUpdate::Flag::MembersChanged | Notify::PeerUpdate::Flag::AdminsChanged);
}
bool Editor::handleEditingKeyboardEvent(KeyboardEvent* evt)
{
const PlatformKeyboardEvent* keyEvent = evt->keyEvent();
// do not treat this as text input if it's a system key event
if (!keyEvent || keyEvent->isSystemKey())
return false;
String commandName = behavior().interpretKeyEvent(*evt);
Command command = this->createCommand(commandName);
if (keyEvent->type() == PlatformEvent::RawKeyDown) {
// WebKit doesn't have enough information about mode to decide how
// commands that just insert text if executed via Editor should be treated,
// so we leave it upon WebCore to either handle them immediately
// (e.g. Tab that changes focus) or let a keypress event be generated
// (e.g. Tab that inserts a Tab character, or Enter).
if (command.isTextInsertion() || commandName.isEmpty())
return false;
return command.execute(evt);
}
if (command.execute(evt))
return true;
if (!behavior().shouldInsertCharacter(*evt) || !canEdit())
return false;
// Return true to prevent default action. e.g. Space key scroll.
if (dispatchBeforeInputInsertText(evt->target(), evt->keyEvent()->text()) != DispatchEventResult::NotCanceled)
return true;
return insertText(evt->keyEvent()->text(), evt);
}
bool Editor::deleteWithDirection(SelectionDirection direction, TextGranularity granularity, bool isTypingAction)
{
if (!canEdit())
return false;
if (m_frame.selection().isRange()) {
if (isTypingAction) {
ASSERT(m_frame.document());
TypingCommand::deleteKeyPressed(*m_frame.document(), canSmartCopyOrDelete() ? TypingCommand::SmartDelete : 0, granularity);
revealSelectionAfterEditingOperation();
} else {
deleteSelectionWithSmartDelete(canSmartCopyOrDelete());
// Implicitly calls revealSelectionAfterEditingOperation().
}
} else {
TypingCommand::Options options = 0;
if (canSmartCopyOrDelete())
options |= TypingCommand::SmartDelete;
switch (direction) {
case DirectionForward:
case DirectionRight:
ASSERT(m_frame.document());
TypingCommand::forwardDeleteKeyPressed(*m_frame.document(), options, granularity);
break;
case DirectionBackward:
case DirectionLeft:
ASSERT(m_frame.document());
TypingCommand::deleteKeyPressed(*m_frame.document(), options, granularity);
break;
}
revealSelectionAfterEditingOperation();
}
return true;
}
bool Editor::executeCommand(const String& commandName, const String& value)
{
// moveToBeginningOfDocument and moveToEndfDocument are only handled by WebKit for editable nodes.
if (!canEdit() && commandName == "moveToBeginningOfDocument")
return m_frame.eventHandler().bubblingScroll(ScrollUp, ScrollByDocument);
if (!canEdit() && commandName == "moveToEndOfDocument")
return m_frame.eventHandler().bubblingScroll(ScrollDown, ScrollByDocument);
if (commandName == "showGuessPanel") {
spellChecker().showSpellingGuessPanel();
return true;
}
return command(commandName).execute(value);
}
IntRect Editor::firstRectForCharacterInSelectedRange()
{
if (canEdit()) {
return reinterpret_cast<EditView *>(m_editingView.get())->firstRectForCharacterInSelectedRange();
}
return IntRect();
}
void TransformEditorWidget::setEditable( const Engine::ItemEntry& ent )
{
delete m_translationEditor;
TransformEditor::setEditable( ent );
if ( canEdit() )
{
m_translationEditor = new VectorEditor(0, QString::fromStdString(getEntryName( Engine::RadiumEngine::getInstance(), m_currentEdit)), true );
connect(m_translationEditor, &VectorEditor::valueChanged, this, &TransformEditorWidget::onChangedPosition);
}
}
void TransformEditorWidget::updateValues()
{
if( canEdit() )
{
getTransform();
CORE_ASSERT( m_translationEditor, "No edtitor widget !");
m_translationEditor->blockSignals( true );
m_translationEditor->setValue(m_transform.translation());
m_translationEditor->blockSignals( false );
}
}
bool Editor::canPaste() const
{
// i want to check whether the clipboard has data before enabling the paste menu
FrameLoaderClientApollo* const loaderClient = FrameLoaderClientApollo::clientApollo(m_frame);
ASSERT(loaderClient);
WTF::OwnPtr<ClipboardApolloHelper> clipboard(loaderClient->createGeneralClipboard());
bool clipboardHasData = !clipboard->types().isEmpty();
return canEdit() && clipboardHasData;
}
bool Editor::insertLineBreak()
{
if (!canEdit())
return false;
VisiblePosition caret = m_frame.selection().selection().visibleStart();
bool alignToEdge = isEndOfEditableOrNonEditableContent(caret);
ASSERT(m_frame.document());
TypingCommand::insertLineBreak(*m_frame.document(), 0);
revealSelectionAfterEditingOperation(alignToEdge ? ScrollAlignment::alignToEdgeIfNeeded : ScrollAlignment::alignCenterIfNeeded);
return true;
}
Qt::ItemFlags PLModel::flags( const QModelIndex &index ) const
{
Qt::ItemFlags flags = QAbstractItemModel::flags( index );
const PLItem *item = index.isValid() ? getItem( index ) : rootItem;
if( canEdit() )
{
vlc_playlist_locker pl_lock ( THEPL );
playlist_item_t *plItem =
playlist_ItemGetById( p_playlist, item->i_playlist_id );
if ( plItem && ( plItem->i_children > -1 ) )
flags |= Qt::ItemIsDropEnabled;
}
flags |= Qt::ItemIsDragEnabled;
return flags;
}
void Editor::transpose()
{
if (!canEdit())
return;
VisibleSelection selection = m_frame.selection().selection();
if (!selection.isCaret())
return;
// Make a selection that goes back one character and forward two characters.
VisiblePosition caret = selection.visibleStart();
VisiblePosition next = isEndOfParagraph(caret) ? caret : caret.next();
VisiblePosition previous = next.previous();
if (next == previous)
return;
previous = previous.previous();
if (!inSameParagraph(next, previous))
return;
RefPtr<Range> range = makeRange(previous, next);
if (!range)
return;
VisibleSelection newSelection(range.get(), DOWNSTREAM);
// Transpose the two characters.
String text = plainText(range.get());
if (text.length() != 2)
return;
String transposed = text.right(1) + text.left(1);
// Select the two characters.
if (newSelection != m_frame.selection().selection())
m_frame.selection().setSelection(newSelection);
// Insert the transposed characters.
replaceSelectionWithText(transposed, false, false);
}
bool Editor::canPaste() const
{
return canEdit();
}
bool CLineEdit::canOpen()
{
return VirtualClusterLineEdit::canOpen() && !canEdit();
}
bool GtkInputMethodFilter::filterKeyEvent(GdkEventKey* event)
{
if (!canEdit() || !m_enabled)
return sendSimpleKeyEvent(event);
m_preeditChanged = false;
m_filteringKeyEvent = true;
unsigned int lastFilteredKeyPressCodeWithNoResults = m_lastFilteredKeyPressCodeWithNoResults;
m_lastFilteredKeyPressCodeWithNoResults = GDK_KEY_VoidSymbol;
bool filtered = gtk_im_context_filter_keypress(m_context.get(), event);
m_filteringKeyEvent = false;
bool justSentFakeKeyUp = m_justSentFakeKeyUp;
m_justSentFakeKeyUp = false;
if (justSentFakeKeyUp && event->type == GDK_KEY_RELEASE)
return true;
// Simple input methods work such that even normal keystrokes fire the
// commit signal. We detect those situations and treat them as normal
// key events, supplying the commit string as the key character.
if (filtered && !m_composingTextCurrently && !m_preeditChanged && m_confirmedComposition.length() == 1) {
bool result = sendSimpleKeyEvent(event, m_confirmedComposition);
m_confirmedComposition = String();
return result;
}
if (filtered && event->type == GDK_KEY_PRESS) {
if (!m_preeditChanged && m_confirmedComposition.isNull()) {
m_composingTextCurrently = true;
m_lastFilteredKeyPressCodeWithNoResults = event->keyval;
return true;
}
bool result = sendKeyEventWithCompositionResults(event);
if (!m_confirmedComposition.isEmpty()) {
m_composingTextCurrently = false;
m_confirmedComposition = String();
}
return result;
}
// If we previously filtered a key press event and it yielded no results. Suppress
// the corresponding key release event to avoid confusing the web content.
if (event->type == GDK_KEY_RELEASE && lastFilteredKeyPressCodeWithNoResults == event->keyval)
return true;
// At this point a keystroke was either:
// 1. Unfiltered
// 2. A filtered keyup event. As the IME code in EditorClient.h doesn't
// ever look at keyup events, we send any composition results before
// the key event.
// Both might have composition results or not.
//
// It's important to send the composition results before the event
// because some IM modules operate that way. For example (taken from
// the Chromium source), the latin-post input method gives this sequence
// when you press 'a' and then backspace:
// 1. keydown 'a' (filtered)
// 2. preedit changed to "a"
// 3. keyup 'a' (unfiltered)
// 4. keydown Backspace (unfiltered)
// 5. commit "a"
// 6. preedit end
if (!m_confirmedComposition.isEmpty())
confirmComposition();
if (m_preeditChanged)
updatePreedit();
return sendSimpleKeyEvent(event);
}
