diff --git a/ui/formwidgets.cpp b/ui/formwidgets.cpp index 3612c1123..90f42d173 100644 --- a/ui/formwidgets.cpp +++ b/ui/formwidgets.cpp @@ -1,983 +1,974 @@ /*************************************************************************** * Copyright (C) 2007 by Pino Toscano * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * ***************************************************************************/ #include "formwidgets.h" #include "pageviewutils.h" #include #include #include #include #include #include #include #include #include // local includes #include "core/form.h" #include "core/document.h" #include "debug_ui.h" FormWidgetsController::FormWidgetsController( Okular::Document *doc ) : QObject( doc ), m_doc( doc ) { // emit changed signal when a form has changed connect( this, &FormWidgetsController::formTextChangedByUndoRedo, this, &FormWidgetsController::changed ); connect( this, &FormWidgetsController::formListChangedByUndoRedo, this, &FormWidgetsController::changed ); connect( this, &FormWidgetsController::formComboChangedByUndoRedo, this, &FormWidgetsController::changed ); // connect form modification signals to and from document connect( this, &FormWidgetsController::formTextChangedByWidget, doc, &Okular::Document::editFormText ); connect( doc, &Okular::Document::formTextChangedByUndoRedo, this, &FormWidgetsController::formTextChangedByUndoRedo ); connect( this, &FormWidgetsController::formListChangedByWidget, doc, &Okular::Document::editFormList ); connect( doc, &Okular::Document::formListChangedByUndoRedo, this, &FormWidgetsController::formListChangedByUndoRedo ); connect( this, &FormWidgetsController::formComboChangedByWidget, doc, &Okular::Document::editFormCombo ); connect( doc, &Okular::Document::formComboChangedByUndoRedo, this, &FormWidgetsController::formComboChangedByUndoRedo ); connect( this, &FormWidgetsController::formButtonsChangedByWidget, doc, &Okular::Document::editFormButtons ); connect( doc, &Okular::Document::formButtonsChangedByUndoRedo, this, &FormWidgetsController::slotFormButtonsChangedByUndoRedo ); // Connect undo/redo signals connect( this, &FormWidgetsController::requestUndo, doc, &Okular::Document::undo ); connect( this, &FormWidgetsController::requestRedo, doc, &Okular::Document::redo ); connect( doc, &Okular::Document::canUndoChanged, this, &FormWidgetsController::canUndoChanged ); connect( doc, &Okular::Document::canRedoChanged, this, &FormWidgetsController::canRedoChanged ); } FormWidgetsController::~FormWidgetsController() { } void FormWidgetsController::signalAction( Okular::Action *a ) { emit action( a ); } -QButtonGroup* FormWidgetsController::registerRadioButton( QAbstractButton *button, Okular::FormFieldButton *formButton ) +void FormWidgetsController::registerRadioButton( FormWidgetIface *fwButton, Okular::FormFieldButton *formButton ) { + if ( !fwButton ) + return; + + QAbstractButton *button = dynamic_cast(fwButton); if ( !button ) - return nullptr; + { + qWarning() << "fwButton is not a QAbstractButton" << fwButton; + return; + } QList< RadioData >::iterator it = m_radios.begin(), itEnd = m_radios.end(); const int id = formButton->id(); - m_formButtons.insert( id, formButton ); m_buttons.insert( id, button ); for ( ; it != itEnd; ++it ) { const QList< int >::const_iterator idsIt = qFind( (*it).ids, id ); if ( idsIt != (*it).ids.constEnd() ) { qCDebug(OkularUiDebug) << "Adding id" << id << "To group including" << (*it).ids; (*it).group->addButton( button ); (*it).group->setId( button, id ); - return (*it).group; + return; } } const QList< int > siblings = formButton->siblings(); RadioData newdata; newdata.ids = siblings; newdata.ids.append( id ); newdata.group = new QButtonGroup(); newdata.group->addButton( button ); newdata.group->setId( button, id ); // Groups of 1 (like checkboxes) can't be exclusive if (siblings.isEmpty()) newdata.group->setExclusive( false ); connect( newdata.group, SIGNAL( buttonClicked(QAbstractButton* ) ), this, SLOT( slotButtonClicked( QAbstractButton* ) ) ); m_radios.append( newdata ); - return newdata.group; } void FormWidgetsController::dropRadioButtons() { QList< RadioData >::iterator it = m_radios.begin(), itEnd = m_radios.end(); for ( ; it != itEnd; ++it ) { delete (*it).group; } m_radios.clear(); m_buttons.clear(); - m_formButtons.clear(); } bool FormWidgetsController::canUndo() { return m_doc->canUndo(); } bool FormWidgetsController::canRedo() { return m_doc->canRedo(); } void FormWidgetsController::slotButtonClicked( QAbstractButton *button ) { int pageNumber = -1; if ( CheckBoxEdit *check = qobject_cast< CheckBoxEdit * >( button ) ) { // Checkboxes need to be uncheckable so if clicking a checked one // disable the exclusive status temporarily and uncheck it - if (m_formButtons[check->formField()->id()]->state()) { + Okular::FormFieldButton *formButton = static_cast( check->formField() ); + if ( formButton->state() ) { const bool wasExclusive = button->group()->exclusive(); button->group()->setExclusive(false); check->setChecked(false); button->group()->setExclusive(wasExclusive); } pageNumber = check->pageItem()->pageNumber(); } else if ( RadioButtonEdit *radio = qobject_cast< RadioButtonEdit * >( button ) ) { pageNumber = radio->pageItem()->pageNumber(); } const QList< QAbstractButton* > buttons = button->group()->buttons(); QList< bool > checked; QList< bool > prevChecked; QList< Okular::FormFieldButton*> formButtons; foreach ( QAbstractButton* button, buttons ) { checked.append( button->isChecked() ); - int id = button->group()->id( button ); - formButtons.append( m_formButtons[id] ); - prevChecked.append( m_formButtons[id]->state() ); + Okular::FormFieldButton *formButton = static_cast( dynamic_cast(button)->formField() ); + formButtons.append( formButton ); + prevChecked.append( formButton->state() ); } if (checked != prevChecked) emit formButtonsChangedByWidget( pageNumber, formButtons, checked ); } void FormWidgetsController::slotFormButtonsChangedByUndoRedo( int pageNumber, const QList< Okular::FormFieldButton* > & formButtons) { foreach ( Okular::FormFieldButton* formButton, formButtons ) { int id = formButton->id(); QAbstractButton* button = m_buttons[id]; // temporarily disable exclusiveness of the button group // since it breaks doing/redoing steps into which all the checkboxes // are unchecked const bool wasExclusive = button->group()->exclusive(); button->group()->setExclusive(false); bool checked = formButton->state(); button->setChecked( checked ); button->group()->setExclusive(wasExclusive); button->setFocus(); } emit changed( pageNumber ); } FormWidgetIface * FormWidgetFactory::createWidget( Okular::FormField * ff, QWidget * parent ) { FormWidgetIface * widget = nullptr; if (ff->isReadOnly()) return nullptr; switch ( ff->type() ) { case Okular::FormField::FormButton: { Okular::FormFieldButton * ffb = static_cast< Okular::FormFieldButton * >( ff ); switch ( ffb->buttonType() ) { case Okular::FormFieldButton::Push: widget = new PushButtonEdit( ffb, parent ); break; case Okular::FormFieldButton::CheckBox: widget = new CheckBoxEdit( ffb, parent ); break; case Okular::FormFieldButton::Radio: widget = new RadioButtonEdit( ffb, parent ); break; default: ; } break; } case Okular::FormField::FormText: { Okular::FormFieldText * fft = static_cast< Okular::FormFieldText * >( ff ); switch ( fft->textType() ) { case Okular::FormFieldText::Multiline: widget = new TextAreaEdit( fft, parent ); break; case Okular::FormFieldText::Normal: widget = new FormLineEdit( fft, parent ); break; case Okular::FormFieldText::FileSelect: widget = new FileEdit( fft, parent ); break; } break; } case Okular::FormField::FormChoice: { Okular::FormFieldChoice * ffc = static_cast< Okular::FormFieldChoice * >( ff ); switch ( ffc->choiceType() ) { case Okular::FormFieldChoice::ListBox: widget = new ListEdit( ffc, parent ); break; case Okular::FormFieldChoice::ComboBox: widget = new ComboEdit( ffc, parent ); break; } break; } default: ; } return widget; } FormWidgetIface::FormWidgetIface( QWidget * w, Okular::FormField * ff, bool canBeEnabled ) : m_controller( nullptr ), m_ff( ff ), m_widget( w ), m_pageItem( nullptr ), m_canBeEnabled( canBeEnabled ) { m_widget->setEnabled( m_canBeEnabled ); } FormWidgetIface::~FormWidgetIface() { } Okular::NormalizedRect FormWidgetIface::rect() const { return m_ff->rect(); } void FormWidgetIface::setWidthHeight( int w, int h ) { m_widget->resize( w, h ); } void FormWidgetIface::moveTo( int x, int y ) { m_widget->move( x, y ); } bool FormWidgetIface::setVisibility( bool visible ) { bool hadfocus = m_widget->hasFocus(); if ( hadfocus ) m_widget->clearFocus(); m_widget->setVisible( visible ); return hadfocus; } void FormWidgetIface::setCanBeFilled( bool fill ) { m_widget->setEnabled( fill && m_canBeEnabled ); } void FormWidgetIface::setPageItem( PageViewItem *pageItem ) { m_pageItem = pageItem; } Okular::FormField* FormWidgetIface::formField() const { return m_ff; } PageViewItem* FormWidgetIface::pageItem() const { return m_pageItem; } void FormWidgetIface::setFormWidgetsController( FormWidgetsController *controller ) { m_controller = controller; } -QAbstractButton* FormWidgetIface::button() -{ - return nullptr; -} - PushButtonEdit::PushButtonEdit( Okular::FormFieldButton * button, QWidget * parent ) : QPushButton( parent ), FormWidgetIface( this, button, !button->isReadOnly() ) { setText( button->caption() ); setVisible( button->isVisible() ); setCursor( Qt::ArrowCursor ); connect( this, &QAbstractButton::clicked, this, &PushButtonEdit::slotClicked ); } void PushButtonEdit::slotClicked() { if ( m_ff->activationAction() ) m_controller->signalAction( m_ff->activationAction() ); } CheckBoxEdit::CheckBoxEdit( Okular::FormFieldButton * button, QWidget * parent ) : QCheckBox( parent ), FormWidgetIface( this, button, !button->isReadOnly() ) { setText( button->caption() ); setVisible( button->isVisible() ); setCursor( Qt::ArrowCursor ); } void CheckBoxEdit::setFormWidgetsController( FormWidgetsController *controller ) { Okular::FormFieldButton *form = static_cast(m_ff); FormWidgetIface::setFormWidgetsController( controller ); - m_controller->registerRadioButton( button(), form ); + m_controller->registerRadioButton( this, form ); setChecked( form->state() ); connect( this, &QCheckBox::stateChanged, this, &CheckBoxEdit::slotStateChanged ); } -QAbstractButton* CheckBoxEdit::button() -{ - return this; -} - void CheckBoxEdit::slotStateChanged( int state ) { Okular::FormFieldButton *form = static_cast(m_ff); if ( state == Qt::Checked && form->activationAction() ) m_controller->signalAction( form->activationAction() ); } RadioButtonEdit::RadioButtonEdit( Okular::FormFieldButton * button, QWidget * parent ) : QRadioButton( parent ), FormWidgetIface( this, button, !button->isReadOnly() ) { setText( button->caption() ); setVisible( button->isVisible() ); setCursor( Qt::ArrowCursor ); } void RadioButtonEdit::setFormWidgetsController( FormWidgetsController *controller ) { Okular::FormFieldButton *form = static_cast(m_ff); FormWidgetIface::setFormWidgetsController( controller ); - m_controller->registerRadioButton( button(), form ); + m_controller->registerRadioButton( this, form ); setChecked( form->state() ); } -QAbstractButton* RadioButtonEdit::button() -{ - return this; -} FormLineEdit::FormLineEdit( Okular::FormFieldText * text, QWidget * parent ) : QLineEdit( parent ), FormWidgetIface( this, text, true ) { int maxlen = text->maximumLength(); if ( maxlen >= 0 ) setMaxLength( maxlen ); setAlignment( text->textAlignment() ); setText( text->text() ); if ( text->isPassword() ) setEchoMode( QLineEdit::Password ); m_prevCursorPos = cursorPosition(); m_prevAnchorPos = cursorPosition(); connect( this, &QLineEdit::textEdited, this, &FormLineEdit::slotChanged ); connect( this, &QLineEdit::cursorPositionChanged, this, &FormLineEdit::slotChanged ); setVisible( text->isVisible() ); } void FormLineEdit::setFormWidgetsController(FormWidgetsController* controller) { FormWidgetIface::setFormWidgetsController(controller); connect( m_controller, &FormWidgetsController::formTextChangedByUndoRedo, this, &FormLineEdit::slotHandleTextChangedByUndoRedo ); } bool FormLineEdit::event( QEvent* e ) { if ( e->type() == QEvent::KeyPress ) { QKeyEvent *keyEvent = static_cast< QKeyEvent* >( e ); if ( keyEvent == QKeySequence::Undo ) { emit m_controller->requestUndo(); return true; } else if ( keyEvent == QKeySequence::Redo ) { emit m_controller->requestRedo(); return true; } } return QLineEdit::event( e ); } void FormLineEdit::contextMenuEvent( QContextMenuEvent* event ) { QMenu *menu = createStandardContextMenu(); QList actionList = menu->actions(); enum { UndoAct, RedoAct, CutAct, CopyAct, PasteAct, DeleteAct, SelectAllAct }; QAction *kundo = KStandardAction::create( KStandardAction::Undo, m_controller, SIGNAL( requestUndo() ), menu ); QAction *kredo = KStandardAction::create( KStandardAction::Redo, m_controller, SIGNAL( requestRedo() ), menu ); connect( m_controller, &FormWidgetsController::canUndoChanged, kundo, &QAction::setEnabled ); connect( m_controller, &FormWidgetsController::canRedoChanged, kredo, &QAction::setEnabled ); kundo->setEnabled( m_controller->canUndo() ); kredo->setEnabled( m_controller->canRedo() ); QAction *oldUndo, *oldRedo; oldUndo = actionList[UndoAct]; oldRedo = actionList[RedoAct]; menu->insertAction( oldUndo, kundo ); menu->insertAction( oldRedo, kredo ); menu->removeAction( oldUndo ); menu->removeAction( oldRedo ); menu->exec( event->globalPos() ); delete menu; } void FormLineEdit::slotChanged() { Okular::FormFieldText *form = static_cast(m_ff); QString contents = text(); int cursorPos = cursorPosition(); if ( contents != form->text() ) { m_controller->formTextChangedByWidget( pageItem()->pageNumber(), form, contents, cursorPos, m_prevCursorPos, m_prevAnchorPos ); } m_prevCursorPos = cursorPos; m_prevAnchorPos = cursorPos; if ( hasSelectedText() ) { if ( cursorPos == selectionStart() ) { m_prevAnchorPos = selectionStart() + selectedText().size(); } else { m_prevAnchorPos = selectionStart(); } } } void FormLineEdit::slotHandleTextChangedByUndoRedo( int pageNumber, Okular::FormFieldText* textForm, const QString & contents, int cursorPos, int anchorPos ) { Q_UNUSED(pageNumber); if ( textForm != m_ff || contents == text() ) { return; } disconnect( this, &QLineEdit::cursorPositionChanged, this, &FormLineEdit::slotChanged ); setText(contents); setCursorPosition(anchorPos); cursorForward( true, cursorPos - anchorPos ); connect( this, &QLineEdit::cursorPositionChanged, this, &FormLineEdit::slotChanged ); m_prevCursorPos = cursorPos; m_prevAnchorPos = anchorPos; setFocus(); } TextAreaEdit::TextAreaEdit( Okular::FormFieldText * text, QWidget * parent ) : KTextEdit( parent ), FormWidgetIface( this, text, true ) { setAcceptRichText( text->isRichText() ); setCheckSpellingEnabled( text->canBeSpellChecked() ); setAlignment( text->textAlignment() ); setPlainText( text->text() ); setUndoRedoEnabled( false ); connect( this, &QTextEdit::textChanged, this, &TextAreaEdit::slotChanged ); connect( this, &QTextEdit::cursorPositionChanged, this, &TextAreaEdit::slotChanged ); connect( this, &KTextEdit::aboutToShowContextMenu, this, &TextAreaEdit::slotUpdateUndoAndRedoInContextMenu ); m_prevCursorPos = textCursor().position(); m_prevAnchorPos = textCursor().anchor(); setVisible( text->isVisible() ); } bool TextAreaEdit::event( QEvent* e ) { if ( e->type() == QEvent::KeyPress ) { QKeyEvent *keyEvent = static_cast< QKeyEvent* >(e); if ( keyEvent == QKeySequence::Undo ) { emit m_controller->requestUndo(); return true; } else if ( keyEvent == QKeySequence::Redo ) { emit m_controller->requestRedo(); return true; } } return KTextEdit::event( e ); } void TextAreaEdit::slotUpdateUndoAndRedoInContextMenu( QMenu* menu ) { if ( !menu ) return; QList actionList = menu->actions(); enum { UndoAct, RedoAct, CutAct, CopyAct, PasteAct, ClearAct, SelectAllAct, NCountActs }; QAction *kundo = KStandardAction::create( KStandardAction::Undo, m_controller, SIGNAL( requestUndo() ), menu ); QAction *kredo = KStandardAction::create( KStandardAction::Redo, m_controller, SIGNAL( requestRedo() ), menu ); connect(m_controller, &FormWidgetsController::canUndoChanged, kundo, &QAction::setEnabled ); connect(m_controller, &FormWidgetsController::canRedoChanged, kredo, &QAction::setEnabled ); kundo->setEnabled( m_controller->canUndo() ); kredo->setEnabled( m_controller->canRedo() ); QAction *oldUndo, *oldRedo; oldUndo = actionList[UndoAct]; oldRedo = actionList[RedoAct]; menu->insertAction( oldUndo, kundo ); menu->insertAction( oldRedo, kredo ); menu->removeAction( oldUndo ); menu->removeAction( oldRedo ); } void TextAreaEdit::setFormWidgetsController( FormWidgetsController* controller ) { FormWidgetIface::setFormWidgetsController( controller ); connect( m_controller, &FormWidgetsController::formTextChangedByUndoRedo, this, &TextAreaEdit::slotHandleTextChangedByUndoRedo ); } void TextAreaEdit::slotHandleTextChangedByUndoRedo( int pageNumber, Okular::FormFieldText* textForm, const QString & contents, int cursorPos, int anchorPos ) { Q_UNUSED(pageNumber); if ( textForm != m_ff ) { return; } setPlainText( contents ); QTextCursor c = textCursor(); c.setPosition( anchorPos ); c.setPosition( cursorPos,QTextCursor::KeepAnchor ); m_prevCursorPos = cursorPos; m_prevAnchorPos = anchorPos; setTextCursor( c ); setFocus(); } void TextAreaEdit::slotChanged() { Okular::FormFieldText *form = static_cast(m_ff); QString contents = toPlainText(); int cursorPos = textCursor().position(); if (contents != form->text()) { m_controller->formTextChangedByWidget( pageItem()->pageNumber(), form, contents, cursorPos, m_prevCursorPos, m_prevAnchorPos ); } m_prevCursorPos = cursorPos; m_prevAnchorPos = textCursor().anchor(); } FileEdit::FileEdit( Okular::FormFieldText * text, QWidget * parent ) : KUrlRequester( parent ), FormWidgetIface( this, text, !text->isReadOnly() ) { setMode( KFile::File | KFile::ExistingOnly | KFile::LocalOnly ); setFilter( i18n( "*|All Files" ) ); setUrl( QUrl::fromUserInput( text->text() ) ); lineEdit()->setAlignment( text->textAlignment() ); m_prevCursorPos = lineEdit()->cursorPosition(); m_prevAnchorPos = lineEdit()->cursorPosition(); connect( this, &KUrlRequester::textChanged, this, &FileEdit::slotChanged ); connect( lineEdit(), &QLineEdit::cursorPositionChanged, this, &FileEdit::slotChanged ); setVisible( text->isVisible() ); } void FileEdit::setFormWidgetsController( FormWidgetsController* controller ) { FormWidgetIface::setFormWidgetsController( controller ); connect( m_controller, &FormWidgetsController::formTextChangedByUndoRedo, this, &FileEdit::slotHandleFileChangedByUndoRedo ); } bool FileEdit::eventFilter( QObject* obj, QEvent* event ) { if ( obj == lineEdit() ) { if ( event->type() == QEvent::KeyPress ) { QKeyEvent *keyEvent = static_cast< QKeyEvent* >( event ); if ( keyEvent == QKeySequence::Undo ) { emit m_controller->requestUndo(); return true; } else if ( keyEvent == QKeySequence::Redo ) { emit m_controller->requestRedo(); return true; } } else if( event->type() == QEvent::ContextMenu ) { QContextMenuEvent *contextMenuEvent = static_cast< QContextMenuEvent* >( event ); QMenu *menu = ( (QLineEdit*) lineEdit() )->createStandardContextMenu(); QList< QAction* > actionList = menu->actions(); enum { UndoAct, RedoAct, CutAct, CopyAct, PasteAct, DeleteAct, SelectAllAct }; QAction *kundo = KStandardAction::create( KStandardAction::Undo, m_controller, SIGNAL( requestUndo() ), menu ); QAction *kredo = KStandardAction::create( KStandardAction::Redo, m_controller, SIGNAL( requestRedo() ), menu ); connect(m_controller, &FormWidgetsController::canUndoChanged, kundo, &QAction::setEnabled ); connect(m_controller, &FormWidgetsController::canRedoChanged, kredo, &QAction::setEnabled ); kundo->setEnabled( m_controller->canUndo() ); kredo->setEnabled( m_controller->canRedo() ); QAction *oldUndo, *oldRedo; oldUndo = actionList[UndoAct]; oldRedo = actionList[RedoAct]; menu->insertAction( oldUndo, kundo ); menu->insertAction( oldRedo, kredo ); menu->removeAction( oldUndo ); menu->removeAction( oldRedo ); menu->exec( contextMenuEvent->globalPos() ); delete menu; return true; } } return KUrlRequester::eventFilter( obj, event ); } void FileEdit::slotChanged() { // Make sure line edit's text matches url expansion if ( text() != url().toLocalFile() ) this->setText( url().toLocalFile() ); Okular::FormFieldText *form = static_cast(m_ff); QString contents = text(); int cursorPos = lineEdit()->cursorPosition(); if (contents != form->text()) { m_controller->formTextChangedByWidget( pageItem()->pageNumber(), form, contents, cursorPos, m_prevCursorPos, m_prevAnchorPos ); } m_prevCursorPos = cursorPos; m_prevAnchorPos = cursorPos; if ( lineEdit()->hasSelectedText() ) { if ( cursorPos == lineEdit()->selectionStart() ) { m_prevAnchorPos = lineEdit()->selectionStart() + lineEdit()->selectedText().size(); } else { m_prevAnchorPos = lineEdit()->selectionStart(); } } } void FileEdit::slotHandleFileChangedByUndoRedo( int pageNumber, Okular::FormFieldText* form, const QString & contents, int cursorPos, int anchorPos ) { Q_UNUSED(pageNumber); if ( form != m_ff || contents == text() ) { return; } disconnect( this, SIGNAL( cursorPositionChanged( int, int ) ), this, SLOT( slotChanged() ) ); setText( contents ); lineEdit()->setCursorPosition( anchorPos ); lineEdit()->cursorForward( true, cursorPos - anchorPos ); connect( this, SIGNAL(cursorPositionChanged( int, int ) ), this, SLOT( slotChanged() ) ); m_prevCursorPos = cursorPos; m_prevAnchorPos = anchorPos; setFocus(); } ListEdit::ListEdit( Okular::FormFieldChoice * choice, QWidget * parent ) : QListWidget( parent ), FormWidgetIface( this, choice, !choice->isReadOnly() ) { addItems( choice->choices() ); setSelectionMode( choice->multiSelect() ? QAbstractItemView::ExtendedSelection : QAbstractItemView::SingleSelection ); setVerticalScrollMode( QAbstractItemView::ScrollPerPixel ); QList< int > selectedItems = choice->currentChoices(); if ( choice->multiSelect() ) { foreach ( int index, selectedItems ) if ( index >= 0 && index < count() ) item( index )->setSelected( true ); } else { if ( selectedItems.count() == 1 && selectedItems.at(0) >= 0 && selectedItems.at(0) < count() ) { setCurrentRow( selectedItems.at(0) ); scrollToItem( item( selectedItems.at(0) ) ); } } connect( this, &QListWidget::itemSelectionChanged, this, &ListEdit::slotSelectionChanged ); setVisible( choice->isVisible() ); setCursor( Qt::ArrowCursor ); } void ListEdit::setFormWidgetsController( FormWidgetsController* controller ) { FormWidgetIface::setFormWidgetsController( controller ); connect( m_controller, &FormWidgetsController::formListChangedByUndoRedo, this, &ListEdit::slotHandleFormListChangedByUndoRedo ); } void ListEdit::slotSelectionChanged() { QList< QListWidgetItem * > selection = selectedItems(); QList< int > rows; foreach( const QListWidgetItem * item, selection ) rows.append( row( item ) ); Okular::FormFieldChoice *form = static_cast(m_ff); if ( rows != form->currentChoices() ) { m_controller->formListChangedByWidget( pageItem()->pageNumber(), form, rows ); } } void ListEdit::slotHandleFormListChangedByUndoRedo( int pageNumber, Okular::FormFieldChoice* listForm, const QList< int > & choices ) { Q_UNUSED(pageNumber); if ( m_ff != listForm ) { return; } disconnect( this, &QListWidget::itemSelectionChanged, this, &ListEdit::slotSelectionChanged ); for(int i=0; i < count(); i++) { item( i )->setSelected( choices.contains(i) ); } connect( this, &QListWidget::itemSelectionChanged, this, &ListEdit::slotSelectionChanged ); setFocus(); } ComboEdit::ComboEdit( Okular::FormFieldChoice * choice, QWidget * parent ) : QComboBox( parent ), FormWidgetIface( this, choice, !choice->isReadOnly() ) { addItems( choice->choices() ); setEditable( true ); setInsertPolicy( NoInsert ); lineEdit()->setReadOnly( !choice->isEditable() ); QList< int > selectedItems = choice->currentChoices(); if ( selectedItems.count() == 1 && selectedItems.at(0) >= 0 && selectedItems.at(0) < count() ) setCurrentIndex( selectedItems.at(0) ); if ( choice->isEditable() && !choice->editChoice().isEmpty() ) lineEdit()->setText( choice->editChoice() ); connect( this, SIGNAL(currentIndexChanged(int)), this, SLOT(slotValueChanged()) ); connect( this, &QComboBox::editTextChanged, this, &ComboEdit::slotValueChanged ); connect( lineEdit(), &QLineEdit::cursorPositionChanged, this, &ComboEdit::slotValueChanged ); setVisible( choice->isVisible() ); setCursor( Qt::ArrowCursor ); m_prevCursorPos = lineEdit()->cursorPosition(); m_prevAnchorPos = lineEdit()->cursorPosition(); } void ComboEdit::setFormWidgetsController(FormWidgetsController* controller) { FormWidgetIface::setFormWidgetsController(controller); connect( m_controller, &FormWidgetsController::formComboChangedByUndoRedo, this, &ComboEdit::slotHandleFormComboChangedByUndoRedo); } void ComboEdit::slotValueChanged() { const QString text = lineEdit()->text(); Okular::FormFieldChoice *form = static_cast(m_ff); QString prevText; if ( form->currentChoices().isEmpty() ) { prevText = form->editChoice(); } else { prevText = form->choices()[form->currentChoices()[0]]; } int cursorPos = lineEdit()->cursorPosition(); if ( text != prevText ) { m_controller->formComboChangedByWidget( pageItem()->pageNumber(), form, currentText(), cursorPos, m_prevCursorPos, m_prevAnchorPos ); } prevText = text; m_prevCursorPos = cursorPos; m_prevAnchorPos = cursorPos; if ( lineEdit()->hasSelectedText() ) { if ( cursorPos == lineEdit()->selectionStart() ) { m_prevAnchorPos = lineEdit()->selectionStart() + lineEdit()->selectedText().size(); } else { m_prevAnchorPos = lineEdit()->selectionStart(); } } } void ComboEdit::slotHandleFormComboChangedByUndoRedo( int pageNumber, Okular::FormFieldChoice* form, const QString & text, int cursorPos, int anchorPos ) { Q_UNUSED(pageNumber); if ( m_ff != form ) { return; } // Determine if text corrisponds to an index choices int index = -1; for ( int i = 0; i < count(); i++ ) { if ( itemText(i) == text ) { index = i; } } m_prevCursorPos = cursorPos; m_prevAnchorPos = anchorPos; disconnect( lineEdit(), &QLineEdit::cursorPositionChanged, this, &ComboEdit::slotValueChanged ); const bool isCustomValue = index == -1; if ( isCustomValue ) { setEditText( text ); } else { setCurrentIndex( index ); } lineEdit()->setCursorPosition( anchorPos ); lineEdit()->cursorForward( true, cursorPos - anchorPos ); connect( lineEdit(), &QLineEdit::cursorPositionChanged, this, &ComboEdit::slotValueChanged ); setFocus(); } void ComboEdit::contextMenuEvent( QContextMenuEvent* event ) { QMenu *menu = lineEdit()->createStandardContextMenu(); QList actionList = menu->actions(); enum { UndoAct, RedoAct, CutAct, CopyAct, PasteAct, DeleteAct, SelectAllAct }; QAction *kundo = KStandardAction::create( KStandardAction::Undo, m_controller, SIGNAL( requestUndo() ), menu ); QAction *kredo = KStandardAction::create( KStandardAction::Redo, m_controller, SIGNAL( requestRedo() ), menu ); connect( m_controller, &FormWidgetsController::canUndoChanged, kundo, &QAction::setEnabled ); connect( m_controller, &FormWidgetsController::canRedoChanged, kredo, &QAction::setEnabled ); kundo->setEnabled( m_controller->canUndo() ); kredo->setEnabled( m_controller->canRedo() ); QAction *oldUndo, *oldRedo; oldUndo = actionList[UndoAct]; oldRedo = actionList[RedoAct]; menu->insertAction( oldUndo, kundo ); menu->insertAction( oldRedo, kredo ); menu->removeAction( oldUndo ); menu->removeAction( oldRedo ); menu->exec( event->globalPos() ); delete menu; } bool ComboEdit::event( QEvent* e ) { if ( e->type() == QEvent::KeyPress ) { QKeyEvent *keyEvent = static_cast< QKeyEvent* >(e); if ( keyEvent == QKeySequence::Undo ) { emit m_controller->requestUndo(); return true; } else if ( keyEvent == QKeySequence::Redo ) { emit m_controller->requestRedo(); return true; } } return QComboBox::event( e ); } #include "moc_formwidgets.cpp" diff --git a/ui/formwidgets.h b/ui/formwidgets.h index ddfbc6bff..1f32a76a2 100644 --- a/ui/formwidgets.h +++ b/ui/formwidgets.h @@ -1,324 +1,320 @@ /*************************************************************************** * Copyright (C) 2007 by Pino Toscano * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * ***************************************************************************/ #ifndef _OKULAR_FORMWIDGETS_H_ #define _OKULAR_FORMWIDGETS_H_ #include "core/area.h" #include #include #include #include #include #include #include #include class ComboEdit; class QMenu; class QButtonGroup; class FormWidgetIface; class PageViewItem; class RadioButtonEdit; class QEvent; namespace Okular { class Action; class FormField; class FormFieldButton; class FormFieldChoice; class FormFieldText; class Document; } struct RadioData { RadioData() {} QList< int > ids; QButtonGroup *group; }; class FormWidgetsController : public QObject { Q_OBJECT public: FormWidgetsController( Okular::Document *doc ); virtual ~FormWidgetsController(); void signalAction( Okular::Action *action ); - QButtonGroup* registerRadioButton( QAbstractButton *button, Okular::FormFieldButton *formButton ); + void registerRadioButton( FormWidgetIface *fwButton, Okular::FormFieldButton *formButton ); void dropRadioButtons(); bool canUndo(); bool canRedo(); Q_SIGNALS: void changed( int pageNumber ); void requestUndo(); void requestRedo(); void canUndoChanged( bool undoAvailable ); void canRedoChanged( bool redoAvailable); void formTextChangedByWidget( int pageNumber, Okular::FormFieldText *form, const QString & newContents, int newCursorPos, int prevCursorPos, int prevAnchorPos ); void formTextChangedByUndoRedo( int pageNumber, Okular::FormFieldText *form, const QString & contents, int cursorPos, int anchorPos ); void formListChangedByWidget( int pageNumber, Okular::FormFieldChoice *form, const QList< int > & newChoices ); void formListChangedByUndoRedo( int pageNumber, Okular::FormFieldChoice *form, const QList< int > & choices ); void formComboChangedByWidget( int pageNumber, Okular::FormFieldChoice *form, const QString & newText, int newCursorPos, int prevCursorPos, int prevAnchorPos ); void formComboChangedByUndoRedo( int pageNumber, Okular::FormFieldChoice *form, const QString & text, int cursorPos, int anchorPos ); void formButtonsChangedByWidget( int pageNumber, const QList< Okular::FormFieldButton* > & formButtons, const QList< bool > & newButtonStates ); void action( Okular::Action *action ); private Q_SLOTS: void slotButtonClicked( QAbstractButton *button ); void slotFormButtonsChangedByUndoRedo( int pageNumber, const QList< Okular::FormFieldButton* > & formButtons ); private: friend class TextAreaEdit; friend class FormLineEdit; friend class FileEdit; friend class ListEdit; friend class ComboEdit; QList< RadioData > m_radios; - QHash< int, Okular::FormFieldButton* > m_formButtons; QHash< int, QAbstractButton* > m_buttons; Okular::Document* m_doc; }; class FormWidgetFactory { public: static FormWidgetIface * createWidget( Okular::FormField * ff, QWidget * parent = nullptr ); }; class FormWidgetIface { public: FormWidgetIface( QWidget * w, Okular::FormField * ff, bool canBeEnabled ); virtual ~FormWidgetIface(); Okular::NormalizedRect rect() const; void setWidthHeight( int w, int h ); void moveTo( int x, int y ); bool setVisibility( bool visible ); void setCanBeFilled( bool fill ); void setPageItem( PageViewItem *pageItem ); Okular::FormField* formField() const; PageViewItem* pageItem() const; virtual void setFormWidgetsController( FormWidgetsController *controller ); - virtual QAbstractButton* button(); protected: FormWidgetsController * m_controller; Okular::FormField * m_ff; private: QWidget * m_widget; PageViewItem * m_pageItem; bool m_canBeEnabled; }; class PushButtonEdit : public QPushButton, public FormWidgetIface { Q_OBJECT public: explicit PushButtonEdit( Okular::FormFieldButton * button, QWidget * parent = nullptr ); private Q_SLOTS: void slotClicked(); }; class CheckBoxEdit : public QCheckBox, public FormWidgetIface { Q_OBJECT public: explicit CheckBoxEdit( Okular::FormFieldButton * button, QWidget * parent = nullptr ); // reimplemented from FormWidgetIface void setFormWidgetsController( FormWidgetsController *controller ) override; - QAbstractButton* button() override; private Q_SLOTS: void slotStateChanged( int state ); }; class RadioButtonEdit : public QRadioButton, public FormWidgetIface { Q_OBJECT public: explicit RadioButtonEdit( Okular::FormFieldButton * button, QWidget * parent = nullptr ); // reimplemented from FormWidgetIface void setFormWidgetsController( FormWidgetsController *controller ) override; - QAbstractButton* button() override; }; class FormLineEdit : public QLineEdit, public FormWidgetIface { Q_OBJECT public: explicit FormLineEdit( Okular::FormFieldText * text, QWidget * parent = nullptr ); void setFormWidgetsController( FormWidgetsController *controller ) override; bool event ( QEvent * e ) override; void contextMenuEvent( QContextMenuEvent* event ) override; public Q_SLOTS: void slotHandleTextChangedByUndoRedo( int pageNumber, Okular::FormFieldText* textForm, const QString & contents, int cursorPos, int anchorPos ); private Q_SLOTS: void slotChanged(); private: int m_prevCursorPos; int m_prevAnchorPos; }; class TextAreaEdit : public KTextEdit, public FormWidgetIface { Q_OBJECT public: explicit TextAreaEdit( Okular::FormFieldText * text, QWidget * parent = nullptr ); void setFormWidgetsController( FormWidgetsController *controller ) override; bool event ( QEvent * e ) override; public Q_SLOTS: void slotHandleTextChangedByUndoRedo( int pageNumber, Okular::FormFieldText * textForm, const QString & contents, int cursorPos, int anchorPos ); void slotUpdateUndoAndRedoInContextMenu( QMenu* menu ); private Q_SLOTS: void slotChanged(); private: int m_prevCursorPos; int m_prevAnchorPos; }; class FileEdit : public KUrlRequester, public FormWidgetIface { Q_OBJECT public: explicit FileEdit( Okular::FormFieldText * text, QWidget * parent = nullptr ); void setFormWidgetsController( FormWidgetsController *controller ) override; protected: bool eventFilter( QObject *obj, QEvent *event ) override; private Q_SLOTS: void slotChanged(); void slotHandleFileChangedByUndoRedo( int pageNumber, Okular::FormFieldText * form, const QString & contents, int cursorPos, int anchorPos ); private: int m_prevCursorPos; int m_prevAnchorPos; }; class ListEdit : public QListWidget, public FormWidgetIface { Q_OBJECT public: explicit ListEdit( Okular::FormFieldChoice * choice, QWidget * parent = nullptr ); void setFormWidgetsController( FormWidgetsController *controller ) override; private Q_SLOTS: void slotSelectionChanged(); void slotHandleFormListChangedByUndoRedo( int pageNumber, Okular::FormFieldChoice * listForm, const QList< int > & choices ); }; class ComboEdit : public QComboBox, public FormWidgetIface { Q_OBJECT public: explicit ComboEdit( Okular::FormFieldChoice * choice, QWidget * parent = nullptr ); void setFormWidgetsController( FormWidgetsController *controller ) override; bool event ( QEvent * e ) override; void contextMenuEvent( QContextMenuEvent* event ) override; private Q_SLOTS: void slotValueChanged(); void slotHandleFormComboChangedByUndoRedo( int pageNumber, Okular::FormFieldChoice * comboForm, const QString & text, int cursorPos, int anchorPos ); private: int m_prevCursorPos; int m_prevAnchorPos; }; #endif