mirror of
https://github.com/KDE/latte-dock.git
synced 2025-01-09 05:18:18 +03:00
140 lines
3.2 KiB
C++
140 lines
3.2 KiB
C++
/*
|
|
SPDX-FileCopyrightText: 2019 Michail Vourlakos <mvourlakos@gmail.com>
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
// local
|
|
#include "modifiertracker.h"
|
|
|
|
// Qt
|
|
#include <QDebug>
|
|
#include <QKeySequence>
|
|
|
|
namespace Latte {
|
|
namespace ShortcutsPart {
|
|
|
|
ModifierTracker::ModifierTracker(QObject *parent)
|
|
: QObject(parent)
|
|
{
|
|
init();
|
|
}
|
|
|
|
ModifierTracker::~ModifierTracker()
|
|
{
|
|
}
|
|
|
|
void ModifierTracker::init()
|
|
{
|
|
m_metaPressedTimer.setSingleShot(true);
|
|
m_metaPressedTimer.setInterval(700);
|
|
|
|
m_pressed[Qt::Key_Super_L] = false;
|
|
m_pressed[Qt::Key_Control] = false;
|
|
m_pressed[Qt::Key_Alt] = false;
|
|
m_pressed[Qt::Key_Shift] = false;
|
|
|
|
connect(&m_metaPressedTimer, &QTimer::timeout, this, &ModifierTracker::metaModifierPressed);
|
|
|
|
connect(&m_modifierKeyInfo, &KModifierKeyInfo::keyPressed, this, [&](Qt::Key key, bool state) {
|
|
Qt::Key nKey = normalizeKey(key);
|
|
//! ignore modifiers that we do not take into account
|
|
if (!modifierIsTracked(nKey)) {
|
|
return;
|
|
}
|
|
|
|
m_pressed[nKey] = state;
|
|
|
|
if (nKey == Qt::Key_Super_L) {
|
|
bool singleKey{singleModifierPressed(Qt::Key_Super_L)};
|
|
if (state && singleKey) {
|
|
m_metaPressedTimer.start();
|
|
} else if (!state || !singleKey) {
|
|
cancelMetaPressed();
|
|
}
|
|
} else {
|
|
cancelMetaPressed();
|
|
}
|
|
|
|
emit modifiersChanged();
|
|
});
|
|
}
|
|
|
|
|
|
bool ModifierTracker::modifierIsTracked(Qt::Key key)
|
|
{
|
|
if (m_blockedModifiers.contains(key)) {
|
|
return false;
|
|
}
|
|
|
|
return (key == Qt::Key_Super_L || key == Qt::Key_Super_R || key == Qt::Key_Control || key == Qt::Key_Alt || key == Qt::Key_Shift);
|
|
}
|
|
|
|
void ModifierTracker::blockModifierTracking(Qt::Key key)
|
|
{
|
|
if (!m_blockedModifiers.contains(key)) {
|
|
m_blockedModifiers.append(key);
|
|
}
|
|
}
|
|
|
|
void ModifierTracker::unblockModifierTracking(Qt::Key key)
|
|
{
|
|
if (m_blockedModifiers.contains(key)) {
|
|
m_blockedModifiers.removeAll(key);
|
|
}
|
|
}
|
|
|
|
bool ModifierTracker::noModifierPressed()
|
|
{
|
|
for (const Qt::Key &modifier : m_pressed.keys()) {
|
|
if ( m_pressed[modifier]) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ModifierTracker::sequenceModifierPressed(const QKeySequence &seq)
|
|
{
|
|
if (seq.isEmpty()) {
|
|
return false;
|
|
}
|
|
|
|
int mod = seq[seq.count() - 1] & Qt::KeyboardModifierMask;
|
|
|
|
if ( ((mod & Qt::SHIFT) && m_pressed[Qt::Key_Shift])
|
|
|| ((mod & Qt::CTRL) && m_pressed[Qt::Key_Control])
|
|
|| ((mod & Qt::ALT) && m_pressed[Qt::Key_Alt])
|
|
|| ((mod & Qt::META) && m_pressed[Qt::Key_Super_L])) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool ModifierTracker::singleModifierPressed(Qt::Key key)
|
|
{
|
|
for (const Qt::Key &modifier : m_pressed.keys()) {
|
|
if ( (modifier != key && m_pressed[modifier])
|
|
|| (modifier == key && !m_pressed[modifier]) ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
Qt::Key ModifierTracker::normalizeKey(Qt::Key key)
|
|
{
|
|
return ((key == Qt::Key_Super_L || key == Qt::Key_Super_R) ? Qt::Key_Super_L : key);
|
|
}
|
|
|
|
void ModifierTracker::cancelMetaPressed()
|
|
{
|
|
m_metaPressedTimer.stop();
|
|
}
|
|
|
|
|
|
}
|
|
}
|