Warning, file /multimedia/kid3/src/app/qt/shortcutsdelegate.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /**
  * \file shortcutsdelegate.cpp
  * Keyboard shortcuts item delegate.
  *
  * \b Project: Kid3
  * \author Urs Fleisch
  * \date 29 Dec 2011
  *
  * Copyright (C) 2011-2024  Urs Fleisch
  *
  * This file is part of Kid3.
  *
  * Kid3 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.
  *
  * Kid3 is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "shortcutsdelegate.h"
 
 #include <QToolButton>
 #include <QLineEdit>
 #include <QHBoxLayout>
 #include <QKeyEvent>
 #include <QKeySequenceEdit>
 
 /**
  * Constructor.
  * @param parent parent object
  */
 ShortcutsDelegate::ShortcutsDelegate(QObject* parent)
   : QItemDelegate(parent), m_resetFlag(false)
 {
 }
 
 /**
  * Create an editor to edit the cells contents.
  * @param parent parent widget
  * @param option style
  * @param index  index of item
  * @return editor widget
  */
 QWidget* ShortcutsDelegate::createEditor(
   QWidget* parent, const QStyleOptionViewItem& option,
   const QModelIndex& index) const
 {
   QWidget* editor = QItemDelegate::createEditor(parent, option, index);
   if (auto le = qobject_cast<QLineEdit*>(editor)) {
     auto shortcutsEditor = new ShortcutsDelegateEditor(le, parent);
     editor = shortcutsEditor;
     connect(shortcutsEditor, &ShortcutsDelegateEditor::clearClicked,
             this, &ShortcutsDelegate::clearAndCloseEditor);
     connect(shortcutsEditor, &ShortcutsDelegateEditor::clearClicked,
             this, &ShortcutsDelegate::clearAndCloseEditor);
     connect(shortcutsEditor, &ShortcutsDelegateEditor::resetClicked,
             this, &ShortcutsDelegate::resetToDefault);
     connect(shortcutsEditor, &ShortcutsDelegateEditor::valueEntered,
             this, &ShortcutsDelegate::commitAndCloseEditor);
   }
   return editor;
 }
 
 /**
  * Reset editor to default value.
  */
 void ShortcutsDelegate::resetToDefault()
 {
   if (auto editor =
       qobject_cast<ShortcutsDelegateEditor*>(sender())) {
     m_resetFlag = true;
     emit commitData(editor);
     emit closeEditor(editor);
   }
 }
 
 /**
  * Commit editor value and close editor.
  */
 void ShortcutsDelegate::commitAndCloseEditor()
 {
   if (auto editor =
       qobject_cast<ShortcutsDelegateEditor*>(sender())) {
     emit commitData(editor);
     emit closeEditor(editor);
   }
 }
 
 /**
  * Clear editor value and close editor.
  */
 void ShortcutsDelegate::clearAndCloseEditor()
 {
   if (auto editor =
       qobject_cast<ShortcutsDelegateEditor*>(sender())) {
     editor->getEditor()->clear();
     emit commitData(editor);
     emit closeEditor(editor);
   }
 }
 
 /**
  * Set data to be edited by the editor.
  * @param editor editor widget
  * @param index  index of item
  */
 void ShortcutsDelegate::setEditorData(
   QWidget* editor, const QModelIndex& index) const
 {
   if (auto compoundWidget =
       qobject_cast<ShortcutsDelegateEditor*>(editor)) {
     QItemDelegate::setEditorData(compoundWidget->getEditor(), index);
   }
 }
 
 /**
  * Set model data supplied by editor.
  * @param editor editor widget
  * @param model  model
  * @param index  index of item
  */
 void ShortcutsDelegate::setModelData(
   QWidget* editor, QAbstractItemModel* model, const QModelIndex& index) const
 {
   if (auto compoundWidget =
       qobject_cast<ShortcutsDelegateEditor*>(editor)) {
     if (m_resetFlag) {
       m_resetFlag = false;
       model->setData(index, QVariant(), Qt::EditRole);
     } else {
       QItemDelegate::setModelData(compoundWidget->getEditor(), model, index);
     }
   }
 }
 
 /**
  * Updates the geometry of the @a editor for the item with the given
  * @a index, according to the rectangle specified in the @a option.
  * @param editor editor widget
  * @param option style
  */
 void ShortcutsDelegate::updateEditorGeometry(
   QWidget* editor, const QStyleOptionViewItem& option,
   const QModelIndex&) const
 {
   // If this method is not overridden, the ShortcutsDelegateEditor
   // is displayed as a thin horizontal line, see also
   // http://stackoverflow.com/questions/5457154/qstyleditemdelegate-how-does-updateeditorgeometry-works
   QRect rect(option.rect);
   QSize sizeHint(editor->sizeHint());
 
   if (rect.width() < sizeHint.width()) {
     rect.setWidth(sizeHint.width());
   }
   if (rect.height() < sizeHint.height()) {
     int yAdj = (rect.height() - sizeHint.height()) / 2;
     rect.setHeight(sizeHint.height());
     rect.translate(0, yAdj);
   }
 
   editor->setGeometry(rect);
 }
 
 
 /**
  * Constructor.
  *
  * @param parent parent widget
  */
 ShortcutsDelegateEditor::ShortcutsDelegateEditor(
   QLineEdit* lineEdit, QWidget* parent)
   : QFrame(parent) {
   auto hlayout = new QHBoxLayout(this);
   hlayout->setContentsMargins(0, 0, 0, 0);
   delete lineEdit;
   m_editor = new QKeySequenceEdit(parent);
   connect(m_editor, &QKeySequenceEdit::editingFinished,
           this, &ShortcutsDelegateEditor::valueEntered);
   setFocusProxy(m_editor);
   hlayout->addWidget(m_editor, 0, Qt::AlignLeft);
   auto clearButton = new QToolButton(this);
   clearButton->setText(tr("Clear"));
   connect(clearButton, &QAbstractButton::clicked,
           this, &ShortcutsDelegateEditor::clearClicked);
   hlayout->addWidget(clearButton);
   auto resetButton = new QToolButton(this);
   resetButton->setText(tr("Reset"));
   connect(resetButton, &QAbstractButton::clicked,
           this, &ShortcutsDelegateEditor::resetClicked);
   hlayout->addWidget(resetButton);
 }