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tablet: Add support for binding tablet events to keyboard shortcuts

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Reuses the infrastructure we have for mice buttons for tablets.
This commit is contained in:
Aleix Pol 2022-08-30 20:14:21 +02:00 committed by Aleix Pol Gonzalez
parent 0744ee09ed
commit a22546897b
2 changed files with 55 additions and 13 deletions
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62
src/plugins/buttonrebinds/buttonrebindsfilter.cpp
View file

@ -101,31 +101,52 @@ ButtonRebindsFilter::ButtonRebindsFilter()
KWin::input()->addInputDevice(&m_inputDevice);
const QLatin1String groupName("ButtonRebinds");
connect(m_configWatcher.get(), &KConfigWatcher::configChanged, this, [this, groupName](const KConfigGroup &group) {
if (group.parent().name() != groupName) {
return;
if (group.parent().name() == groupName) {
loadConfig(group.parent());
} else if (group.parent().parent().name() == groupName) {
loadConfig(group.parent().parent());
}
loadConfig(group.parent());
});
loadConfig(m_configWatcher->config()->group(groupName));
}
void ButtonRebindsFilter::loadConfig(const KConfigGroup &group)
{
Q_ASSERT(QLatin1String("ButtonRebinds") == group.name());
KWin::input()->uninstallInputEventFilter(this);
m_mouseMapping.clear();
auto mouseButtonEnum = QMetaEnum::fromType<Qt::MouseButtons>();
auto mouseGroup = group.group("Mouse");
const auto mouseButtonEnum = QMetaEnum::fromType<Qt::MouseButtons>();
const auto mouseGroup = group.group("Mouse");
for (int i = 1; i <= 24; ++i) {
const QByteArray buttonName = QByteArray("ExtraButton") + QByteArray::number(i);
auto entry = mouseGroup.readEntry(buttonName.constData(), QStringList());
const auto entry = mouseGroup.readEntry(buttonName.constData(), QStringList());
if (entry.size() == 2 && entry.first() == QLatin1String("Key")) {
auto keys = QKeySequence::fromString(entry.at(1), QKeySequence::PortableText);
const auto keys = QKeySequence::fromString(entry.at(1), QKeySequence::PortableText);
if (!keys.isEmpty()) {
m_mouseMapping.insert(static_cast<Qt::MouseButton>(mouseButtonEnum.keyToValue(buttonName)), keys);
}
}
}
if (m_mouseMapping.size() != 0) {
const auto tabletsGroup = group.group("Tablet");
const auto tablets = tabletsGroup.groupList();
for (const auto &tabletName : tablets) {
const auto tabletGroup = tabletsGroup.group(tabletName);
const auto tabletButtons = tabletGroup.keyList();
for (const auto &buttonName : tabletButtons) {
const auto entry = tabletGroup.readEntry(buttonName, QStringList());
bool ok;
const uint button = buttonName.toUInt(&ok);
if (ok && entry.size() == 2 && entry.first() == QLatin1String("Key")) {
const auto keys = QKeySequence::fromString(entry.at(1), QKeySequence::PortableText);
if (!keys.isEmpty()) {
m_tabletMapping.insert(qMakePair(tabletName, button), keys);
}
}
}
}
if (!m_mouseMapping.isEmpty() || !m_tabletMapping.isEmpty()) {
KWin::input()->prependInputEventFilter(this);
}
}
@ -138,7 +159,23 @@ bool ButtonRebindsFilter::pointerEvent(QMouseEvent *event, quint32 nativeButton)
return false;
}
const QKeySequence keys = m_mouseMapping.value(event->button());
if (m_mouseMapping.isEmpty()) {
return false;
}
return sendKeySequence(m_mouseMapping.value(event->button()), event->type() == QEvent::MouseButtonPress, event->timestamp());
}
bool ButtonRebindsFilter::tabletPadButtonEvent(uint button, bool pressed, const KWin::TabletPadId &tabletPadId, uint time)
{
if (m_tabletMapping.isEmpty()) {
return false;
}
return sendKeySequence(m_tabletMapping.value(qMakePair(tabletPadId.name, button)), pressed, time);
}
bool ButtonRebindsFilter::sendKeySequence(const QKeySequence &keys, bool pressed, uint time)
{
if (keys.isEmpty()) {
return false;
}
@ -156,9 +193,9 @@ bool ButtonRebindsFilter::pointerEvent(QMouseEvent *event, quint32 nativeButton)
return false;
}
auto sendKey = [this, event](xkb_keycode_t key) {
auto state = event->type() == QEvent::MouseButtonPress ? KWin::InputRedirection::KeyboardKeyPressed : KWin::InputRedirection::KeyboardKeyReleased;
Q_EMIT m_inputDevice.keyChanged(key, state, event->timestamp(), &m_inputDevice);
auto sendKey = [this, pressed, time](xkb_keycode_t key) {
auto state = pressed ? KWin::InputRedirection::KeyboardKeyPressed : KWin::InputRedirection::KeyboardKeyReleased;
Q_EMIT m_inputDevice.keyChanged(key, state, time, &m_inputDevice);
};
if (key & Qt::ShiftModifier) {
@ -175,6 +212,5 @@ bool ButtonRebindsFilter::pointerEvent(QMouseEvent *event, quint32 nativeButton)
}
sendKey(keyCode.value());
return true;
}

6
src/plugins/buttonrebinds/buttonrebindsfilter.h
View file

@ -11,6 +11,9 @@
#include "input.h"
#include "inputdevice.h"
// tabletpadname + button-id
using Tablet = QPair<QString, uint>;
class InputDevice : public KWin::InputDevice
{
QString sysName() const override;
@ -39,11 +42,14 @@ class ButtonRebindsFilter : public KWin::Plugin, public KWin::InputEventFilter
public:
explicit ButtonRebindsFilter();
bool pointerEvent(QMouseEvent *event, quint32 nativeButton) override;
bool tabletPadButtonEvent(uint button, bool pressed, const KWin::TabletPadId &tabletPadId, uint time) override;
private:
void loadConfig(const KConfigGroup &group);
bool sendKeySequence(const QKeySequence &sequence, bool pressed, uint time);
InputDevice m_inputDevice;
QMap<Qt::MouseButton, QKeySequence> m_mouseMapping;
QMap<Tablet, QKeySequence> m_tabletMapping;
KConfigWatcher::Ptr m_configWatcher;
};