1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "qlibinputpointer_p.h"
5#include <libinput.h>
6#include <QtCore/QEvent>
7#include <QtGui/QGuiApplication>
8#include <QtGui/QScreen>
9#include <QtGui/private/qguiapplication_p.h>
10#include <QtGui/private/qinputdevicemanager_p.h>
11#include <qpa/qwindowsysteminterface.h>
12#include <private/qhighdpiscaling_p.h>
13
14QT_BEGIN_NAMESPACE
15
16QLibInputPointer::QLibInputPointer()
17 : m_buttons(Qt::NoButton)
18{
19}
20
21void QLibInputPointer::processButton(libinput_event_pointer *e)
22{
23 const uint32_t b = libinput_event_pointer_get_button(event: e);
24 const bool pressed = libinput_event_pointer_get_button_state(event: e) == LIBINPUT_BUTTON_STATE_PRESSED;
25
26 Qt::MouseButton button = Qt::NoButton;
27 switch (b) {
28 case 0x110: button = Qt::LeftButton; break; // BTN_LEFT
29 case 0x111: button = Qt::RightButton; break;
30 case 0x112: button = Qt::MiddleButton; break;
31 case 0x113: button = Qt::ExtraButton1; break; // AKA Qt::BackButton
32 case 0x114: button = Qt::ExtraButton2; break; // AKA Qt::ForwardButton
33 case 0x115: button = Qt::ExtraButton3; break; // AKA Qt::TaskButton
34 case 0x116: button = Qt::ExtraButton4; break;
35 case 0x117: button = Qt::ExtraButton5; break;
36 case 0x118: button = Qt::ExtraButton6; break;
37 case 0x119: button = Qt::ExtraButton7; break;
38 case 0x11a: button = Qt::ExtraButton8; break;
39 case 0x11b: button = Qt::ExtraButton9; break;
40 case 0x11c: button = Qt::ExtraButton10; break;
41 case 0x11d: button = Qt::ExtraButton11; break;
42 case 0x11e: button = Qt::ExtraButton12; break;
43 case 0x11f: button = Qt::ExtraButton13; break;
44 }
45
46 m_buttons.setFlag(flag: button, on: pressed);
47
48 QEvent::Type type = pressed ? QEvent::MouseButtonPress : QEvent::MouseButtonRelease;
49 Qt::KeyboardModifiers mods = QGuiApplicationPrivate::inputDeviceManager()->keyboardModifiers();
50
51 QWindowSystemInterface::handleMouseEvent(window: nullptr, local: m_pos, global: m_pos, state: m_buttons, button, type, mods);
52}
53
54void QLibInputPointer::processMotion(libinput_event_pointer *e)
55{
56 const double dx = libinput_event_pointer_get_dx(event: e);
57 const double dy = libinput_event_pointer_get_dy(event: e);
58 QScreen * const primaryScreen = QGuiApplication::primaryScreen();
59 const QRect g = QHighDpi::toNativePixels(value: primaryScreen->virtualGeometry(), context: primaryScreen);
60
61 m_pos.setX(qBound(min: g.left(), val: qRound(d: m_pos.x() + dx), max: g.right()));
62 m_pos.setY(qBound(min: g.top(), val: qRound(d: m_pos.y() + dy), max: g.bottom()));
63
64 Qt::KeyboardModifiers mods = QGuiApplicationPrivate::inputDeviceManager()->keyboardModifiers();
65
66 QWindowSystemInterface::handleMouseEvent(window: nullptr, local: m_pos, global: m_pos, state: m_buttons,
67 button: Qt::NoButton, type: QEvent::MouseMove, mods);
68}
69
70void QLibInputPointer::processAbsMotion(libinput_event_pointer *e)
71{
72 QScreen * const primaryScreen = QGuiApplication::primaryScreen();
73 const QRect g = QHighDpi::toNativePixels(value: primaryScreen->virtualGeometry(), context: primaryScreen);
74
75 const double x = libinput_event_pointer_get_absolute_x_transformed(event: e, width: g.width());
76 const double y = libinput_event_pointer_get_absolute_y_transformed(event: e, height: g.height());
77
78 m_pos.setX(qBound(min: g.left(), val: qRound(d: g.left() + x), max: g.right()));
79 m_pos.setY(qBound(min: g.top(), val: qRound(d: g.top() + y), max: g.bottom()));
80
81 Qt::KeyboardModifiers mods = QGuiApplicationPrivate::inputDeviceManager()->keyboardModifiers();
82
83 QWindowSystemInterface::handleMouseEvent(window: nullptr, local: m_pos, global: m_pos, state: m_buttons,
84 button: Qt::NoButton, type: QEvent::MouseMove, mods);
85
86}
87
88void QLibInputPointer::processAxis(libinput_event_pointer *e)
89{
90 double value; // default axis value is 15 degrees per wheel click
91 QPoint angleDelta;
92#if !QT_CONFIG(libinput_axis_api)
93 value = libinput_event_pointer_get_axis_value(e);
94 if (libinput_event_pointer_get_axis(e) == LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL)
95 angleDelta.setY(qRound(value));
96 else
97 angleDelta.setX(qRound(value));
98#else
99 if (libinput_event_pointer_has_axis(event: e, axis: LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL)) {
100#if QT_CONFIG(libinput_hires_wheel_support)
101 value = libinput_event_pointer_get_scroll_value_v120(event: e, axis: LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL);
102#else
103 value = libinput_event_pointer_get_axis_value(e, LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL);
104#endif
105 angleDelta.setY(qRound(d: value));
106 }
107 if (libinput_event_pointer_has_axis(event: e, axis: LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL)) {
108#if QT_CONFIG(libinput_hires_wheel_support)
109 value = libinput_event_pointer_get_scroll_value_v120(event: e, axis: LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL);
110#else
111 value = libinput_event_pointer_get_axis_value(e, LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL);
112#endif
113 angleDelta.setX(qRound(d: value));
114 }
115#endif
116#if QT_CONFIG(libinput_hires_wheel_support)
117 const int factor = -1;
118#else
119 const int factor = -8;
120#endif
121 angleDelta *= factor;
122 Qt::KeyboardModifiers mods = QGuiApplicationPrivate::inputDeviceManager()->keyboardModifiers();
123 QWindowSystemInterface::handleWheelEvent(window: nullptr, local: m_pos, global: m_pos, pixelDelta: QPoint(), angleDelta, mods);
124}
125
126void QLibInputPointer::setPos(const QPoint &pos)
127{
128 QScreen * const primaryScreen = QGuiApplication::primaryScreen();
129 const QRect g = QHighDpi::toNativePixels(value: primaryScreen->virtualGeometry(), context: primaryScreen);
130
131 m_pos.setX(qBound(min: g.left(), val: pos.x(), max: g.right()));
132 m_pos.setY(qBound(min: g.top(), val: pos.y(), max: g.bottom()));
133}
134
135QT_END_NAMESPACE
136

source code of qtbase/src/platformsupport/input/libinput/qlibinputpointer.cpp