File indexing completed on 2024-04-14 03:57:10

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 1998 Mark Donohoe <donohoe@kde.org>
     SPDX-FileCopyrightText: 1997 Nicolas Hadacek <hadacek@kde.org>
     SPDX-FileCopyrightText: 1998 Matthias Ettrich <ettrich@kde.org>
     SPDX-FileCopyrightText: 2001 Ellis Whitehead <ellis@kde.org>
     SPDX-FileCopyrightText: 2006 Hamish Rodda <rodda@kde.org>
     SPDX-FileCopyrightText: 2007 Roberto Raggi <roberto@kdevelop.org>
     SPDX-FileCopyrightText: 2007 Andreas Hartmetz <ahartmetz@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "config-xmlgui.h"
 #include "kshortcutsdialog_p.h"
 
 #include <QAction>
 #include <QGridLayout>
 #include <QLabel>
 #include <QPainter>
 #include <QPen>
 #include <QRadioButton>
 
 #include <KLocalizedString>
 #if HAVE_GLOBALACCEL
 #include <KGlobalAccel>
 #endif
 
 #include "kkeysequencewidget.h"
 
 void TabConnectedWidget::paintEvent(QPaintEvent *e)
 {
     QWidget::paintEvent(e);
     QPainter p(this);
     QPen pen(QPalette().highlight().color());
     pen.setWidth(6);
     p.setPen(pen);
     p.drawLine(0, 0, width(), 0);
     if (qApp->isLeftToRight()) {
         p.drawLine(0, 0, 0, height());
     } else {
         p.drawLine(width(), 0, width(), height());
     }
 }
 
 ShortcutEditWidget::ShortcutEditWidget(QWidget *viewport, const QKeySequence &defaultSeq, const QKeySequence &activeSeq, bool allowLetterShortcuts)
     : TabConnectedWidget(viewport)
     , m_defaultKeySequence(defaultSeq)
     , m_isUpdating(false)
     , m_action(nullptr)
     , m_noneText(i18nc("No shortcut defined", "None"))
 {
     QGridLayout *layout = new QGridLayout(this);
 
     m_defaultRadio = new QRadioButton(i18nc("@option:radio", "Default:"), this);
     m_defaultLabel = new QLabel(m_noneText, this);
     const QString defaultText = defaultSeq.toString(QKeySequence::NativeText);
     if (!defaultText.isEmpty()) {
         m_defaultLabel->setText(defaultText);
     }
 
     m_customRadio = new QRadioButton(i18nc("@option:radio", "Custom:"), this);
     m_customEditor = new KKeySequenceWidget(this);
     m_customEditor->setModifierlessAllowed(allowLetterShortcuts);
 
     layout->addWidget(m_defaultRadio, 0, 0);
     layout->addWidget(m_defaultLabel, 0, 1);
     layout->addWidget(m_customRadio, 1, 0);
     layout->addWidget(m_customEditor, 1, 1);
     layout->setColumnStretch(2, 1);
 
     setKeySequence(activeSeq);
 
     connect(m_defaultRadio, &QRadioButton::toggled, this, &ShortcutEditWidget::defaultToggled);
     connect(m_customEditor, &KKeySequenceWidget::keySequenceChanged, this, &ShortcutEditWidget::setCustom);
     connect(m_customEditor, &KKeySequenceWidget::stealShortcut, this, &ShortcutEditWidget::stealShortcut);
 #if HAVE_GLOBALACCEL
     connect(KGlobalAccel::self(), &KGlobalAccel::globalShortcutChanged, this, [this](QAction *action, const QKeySequence &seq) {
         if (action != m_action) {
             return;
         }
         setKeySequence(seq);
     });
 #endif
 }
 
 KKeySequenceWidget::ShortcutTypes ShortcutEditWidget::checkForConflictsAgainst() const
 {
     return m_customEditor->checkForConflictsAgainst();
 }
 
 // slot
 void ShortcutEditWidget::defaultToggled(bool checked)
 {
     if (m_isUpdating) {
         return;
     }
 
     m_isUpdating = true;
     if (checked) {
         // The default key sequence should be activated. We check first if this is
         // possible.
         if (m_customEditor->isKeySequenceAvailable(m_defaultKeySequence)) {
             // Clear the customs widget
             m_customEditor->clearKeySequence();
             Q_EMIT keySequenceChanged(m_defaultKeySequence);
         } else {
             // We tried to switch to the default key sequence and failed. Go
             // back.
             m_customRadio->setChecked(true);
         }
     } else {
         // The empty key sequence is always valid
         Q_EMIT keySequenceChanged(QKeySequence());
     }
     m_isUpdating = false;
 }
 
 void ShortcutEditWidget::setCheckActionCollections(const QList<KActionCollection *> &checkActionCollections)
 {
     // We just forward them to out KKeySequenceWidget.
     m_customEditor->setCheckActionCollections(checkActionCollections);
 }
 
 void ShortcutEditWidget::setCheckForConflictsAgainst(KKeySequenceWidget::ShortcutTypes types)
 {
     m_customEditor->setCheckForConflictsAgainst(types);
 }
 
 void ShortcutEditWidget::setComponentName(const QString &componentName)
 {
     m_customEditor->setComponentName(componentName);
 }
 
 void ShortcutEditWidget::setMultiKeyShortcutsAllowed(bool allowed)
 {
     // We just forward them to out KKeySequenceWidget.
     m_customEditor->setMultiKeyShortcutsAllowed(allowed);
 }
 
 bool ShortcutEditWidget::multiKeyShortcutsAllowed() const
 {
     return m_customEditor->multiKeyShortcutsAllowed();
 }
 
 void ShortcutEditWidget::setAction(QObject *action)
 {
     m_action = action;
 }
 
 // slot
 void ShortcutEditWidget::setCustom(const QKeySequence &seq)
 {
     if (m_isUpdating) {
         return;
     }
 
     // seq is a const reference to a private variable of KKeySequenceWidget.
     // Somewhere below we possible change that one. But we want to emit seq
     // whatever happens. So we make a copy.
     QKeySequence original = seq;
 
     m_isUpdating = true;
 
     // Check if the user typed in the default sequence into the custom field.
     // We do this by calling setKeySequence which will do the right thing.
     setKeySequence(original);
 
     Q_EMIT keySequenceChanged(original);
     m_isUpdating = false;
 }
 
 void ShortcutEditWidget::setKeySequence(const QKeySequence &activeSeq)
 {
     const QString seqString = activeSeq.isEmpty() ? m_noneText : activeSeq.toString(QKeySequence::NativeText);
     if (seqString == m_defaultLabel->text()) {
         m_defaultRadio->setChecked(true);
         m_customEditor->clearKeySequence();
     } else {
         m_customRadio->setChecked(true);
         // m_customEditor->setKeySequence does some stuff we only want to
         // execute when the sequence really changes.
         if (activeSeq != m_customEditor->keySequence()) {
             m_customEditor->setKeySequence(activeSeq);
         }
     }
 }