| 1 | /* |
|---|---|
| 2 | SPDX-FileCopyrightText: 2009 Michael Leupold <lemma@confuego.org> |
| 3 | |
| 4 | SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL |
| 5 | */ |
| 6 | |
| 7 | #include "kmodifierkeyinfoprovider_p.h" |
| 8 | |
| 9 | KModifierKeyInfoProvider::KModifierKeyInfoProvider() |
| 10 | : QObject(nullptr) |
| 11 | { |
| 12 | } |
| 13 | |
| 14 | KModifierKeyInfoProvider::~KModifierKeyInfoProvider() |
| 15 | { |
| 16 | } |
| 17 | |
| 18 | bool KModifierKeyInfoProvider::setKeyLatched(Qt::Key key, bool latched) |
| 19 | { |
| 20 | Q_UNUSED(key); |
| 21 | Q_UNUSED(latched); |
| 22 | return false; |
| 23 | } |
| 24 | |
| 25 | bool KModifierKeyInfoProvider::setKeyLocked(Qt::Key key, bool locked) |
| 26 | { |
| 27 | Q_UNUSED(key); |
| 28 | Q_UNUSED(locked); |
| 29 | return false; |
| 30 | } |
| 31 | |
| 32 | bool KModifierKeyInfoProvider::isKeyPressed(Qt::Key key) const |
| 33 | { |
| 34 | auto it = m_modifierStates.constFind(key); |
| 35 | if (it != m_modifierStates.constEnd()) { |
| 36 | return *it & Pressed; |
| 37 | } |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | bool KModifierKeyInfoProvider::isKeyLatched(Qt::Key key) const |
| 42 | { |
| 43 | auto it = m_modifierStates.constFind(key); |
| 44 | if (it != m_modifierStates.constEnd()) { |
| 45 | return *it & Latched; |
| 46 | } |
| 47 | return false; |
| 48 | } |
| 49 | |
| 50 | bool KModifierKeyInfoProvider::isKeyLocked(Qt::Key key) const |
| 51 | { |
| 52 | auto it = m_modifierStates.constFind(key); |
| 53 | if (it != m_modifierStates.constEnd()) { |
| 54 | return *it & Locked; |
| 55 | } |
| 56 | return false; |
| 57 | } |
| 58 | |
| 59 | bool KModifierKeyInfoProvider::isButtonPressed(Qt::MouseButton button) const |
| 60 | { |
| 61 | if (m_buttonStates.contains(key: button)) { |
| 62 | return m_buttonStates[button]; |
| 63 | } |
| 64 | return false; |
| 65 | } |
| 66 | |
| 67 | bool KModifierKeyInfoProvider::knowsKey(Qt::Key key) const |
| 68 | { |
| 69 | return m_modifierStates.contains(key); |
| 70 | } |
| 71 | |
| 72 | const QList<Qt::Key> KModifierKeyInfoProvider::knownKeys() const |
| 73 | { |
| 74 | return m_modifierStates.keys(); |
| 75 | } |
| 76 | |
| 77 | void KModifierKeyInfoProvider::stateUpdated(Qt::Key key, KModifierKeyInfoProvider::ModifierStates newState) |
| 78 | { |
| 79 | auto &state = m_modifierStates[key]; |
| 80 | if (newState != state) { |
| 81 | const auto difference = (newState ^ state); |
| 82 | state = newState; |
| 83 | if (difference & Pressed) { |
| 84 | Q_EMIT keyPressed(key, state: newState & Pressed); |
| 85 | } |
| 86 | if (difference & Latched) { |
| 87 | Q_EMIT keyLatched(key, state: newState & Latched); |
| 88 | } |
| 89 | if (difference & Locked) { |
| 90 | Q_EMIT keyLocked(key, state: newState & Locked); |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | #include "moc_kmodifierkeyinfoprovider_p.cpp" |
| 96 |