kis_stroke_shortcut.cpp

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/*
 *  SPDX-FileCopyrightText: 2012 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include "kis_stroke_shortcut.h"
 
#include "kis_abstract_input_action.h"
 
#include <QMouseEvent>
 
#include <cmath>
 
class Q_DECL_HIDDEN KisStrokeShortcut::Private
{
public:
    QSet<Qt::Key> modifiers;
    QSet<Qt::MouseButton> buttons;
};
 
 
KisStrokeShortcut::KisStrokeShortcut(KisAbstractInputAction *action, int index)
    : KisAbstractShortcut(action, index),
      m_d(new Private)
{
}
 
KisStrokeShortcut::~KisStrokeShortcut()
{
    delete m_d;
}
 
int KisStrokeShortcut::priority() const
{
    const int maxScore = std::log2((int) Qt::MaxMouseButton);
    int buttonScore = 0;
    Q_FOREACH (Qt::MouseButton button, m_d->buttons) {
        buttonScore += maxScore - std::log2((int) button);
    }
 
    return m_d->modifiers.size() * 0xFFFF + buttonScore * 0xFF + action()->priority();
}
 
void KisStrokeShortcut::setButtons(const QSet<Qt::Key> &modifiers,
                                   const QSet<Qt::MouseButton> &buttons)
{
    if (buttons.empty()) return;
 
    m_d->modifiers = modifiers;
    m_d->buttons = buttons;
}
 
bool KisStrokeShortcut::matchReady(const QSet<Qt::Key> &modifiers,
                                   const QSet<Qt::MouseButton> &buttons)
{
    bool modifiersOk =
        (m_d->modifiers.isEmpty() && action()->canIgnoreModifiers()) ||
        compareKeys(m_d->modifiers, modifiers);
 
    if (!modifiersOk || buttons.size() < m_d->buttons.size() - 1) {
        return false;
    }
 
    Q_FOREACH (Qt::MouseButton button, buttons) {
        if (!m_d->buttons.contains(button)) return false;
    }
    return true;
}
 
bool KisStrokeShortcut::matchBegin(Qt::MouseButton button)
{
    return m_d->buttons.contains(button);
}
 
QMouseEvent KisStrokeShortcut::fakeEndEvent(const QPointF &localPos) const
{
    Qt::MouseButton button = !m_d->buttons.isEmpty() ? *m_d->buttons.begin() : Qt::NoButton;
    return QMouseEvent(QEvent::MouseButtonRelease, localPos, button, Qt::NoButton, Qt::NoModifier);
}