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kdeconnect-kde/plugins/mousepad/x11remoteinput.cpp
Alexander Lohnau 02d97aabf4 Add explicit moc includes to cpp files 
The rationale is explained in https://planet.kde.org/friedrich-kossebau-2023-06-28-include-also-moc-files-of-headers/

In case of KDEConnect, it impressively speeds up compilation. Before it
took 390 seconds on a clean build and with this change it took 330 seconds.
This is due to the mocs_compilation having to include the header files
and thus all their headers. Due to the lots of small plugins we have,
this means that the same headers must be compiled plenty of times.
When we include the moc files directly in the C++ file, they are already
available.
2023-07-28 16:07:34 +02:00

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7.5 KiB
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/**
* SPDX-FileCopyrightText: 2018 Albert Vaca Cintora <albertvaka@gmail.com>
* SPDX-FileCopyrightText: 2014 Ahmed I. Khalil <ahmedibrahimkhali@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "x11remoteinput.h"
#include <QCursor>
#include <QDebug>
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
#include <QX11Info>
#else
#include <private/qtx11extras_p.h>
#endif
#include <X11/extensions/XTest.h>
#include <X11/keysym.h>
#include <fakekey/fakekey.h>
enum MouseButtons { LeftMouseButton = 1, MiddleMouseButton = 2, RightMouseButton = 3, MouseWheelUp = 4, MouseWheelDown = 5 };
// Translation table to keep in sync within all the implementations
int SpecialKeysMap[] = {
0, // Invalid
XK_BackSpace, // 1
XK_Tab, // 2
XK_Linefeed, // 3
XK_Left, // 4
XK_Up, // 5
XK_Right, // 6
XK_Down, // 7
XK_Page_Up, // 8
XK_Page_Down, // 9
XK_Home, // 10
XK_End, // 11
XK_Return, // 12
XK_Delete, // 13
XK_Escape, // 14
XK_Sys_Req, // 15
XK_Scroll_Lock, // 16
0, // 17
0, // 18
0, // 19
0, // 20
XK_F1, // 21
XK_F2, // 22
XK_F3, // 23
XK_F4, // 24
XK_F5, // 25
XK_F6, // 26
XK_F7, // 27
XK_F8, // 28
XK_F9, // 29
XK_F10, // 30
XK_F11, // 31
XK_F12, // 32
};
template<typename T, size_t N>
size_t arraySize(T (&arr)[N])
{
(void)arr;
return N;
}
X11RemoteInput::X11RemoteInput(QObject *parent)
: AbstractRemoteInput(parent)
, m_fakekey(nullptr)
{
}
X11RemoteInput::~X11RemoteInput()
{
if (m_fakekey) {
free(m_fakekey);
m_fakekey = nullptr;
}
}
bool isLeftHanded(Display *display)
{
unsigned char map[20];
int num_buttons = XGetPointerMapping(display, map, 20);
if (num_buttons == 1) {
return false;
} else if (num_buttons == 2) {
return ((int)map[0] == 2 && (int)map[1] == 1);
} else {
return ((int)map[0] == 3 && (int)map[2] == 1);
}
}
bool X11RemoteInput::handlePacket(const NetworkPacket &np)
{
float dx = np.get<float>(QStringLiteral("dx"), 0);
float dy = np.get<float>(QStringLiteral("dy"), 0);
bool isSingleClick = np.get<bool>(QStringLiteral("singleclick"), false);
bool isDoubleClick = np.get<bool>(QStringLiteral("doubleclick"), false);
bool isMiddleClick = np.get<bool>(QStringLiteral("middleclick"), false);
bool isRightClick = np.get<bool>(QStringLiteral("rightclick"), false);
bool isSingleHold = np.get<bool>(QStringLiteral("singlehold"), false);
bool isSingleRelease = np.get<bool>(QStringLiteral("singlerelease"), false);
bool isScroll = np.get<bool>(QStringLiteral("scroll"), false);
QString key = np.get<QString>(QStringLiteral("key"), QLatin1String(""));
int specialKey = np.get<int>(QStringLiteral("specialKey"), 0);
if (isSingleClick || isDoubleClick || isMiddleClick || isRightClick || isSingleHold || isSingleRelease || isScroll || !key.isEmpty() || specialKey) {
Display *display = QX11Info::display();
if (!display) {
return false;
}
bool leftHanded = isLeftHanded(display);
int mainMouseButton = leftHanded ? RightMouseButton : LeftMouseButton;
int secondaryMouseButton = leftHanded ? LeftMouseButton : RightMouseButton;
if (isSingleClick) {
XTestFakeButtonEvent(display, mainMouseButton, True, 0);
XTestFakeButtonEvent(display, mainMouseButton, False, 0);
} else if (isDoubleClick) {
XTestFakeButtonEvent(display, mainMouseButton, True, 0);
XTestFakeButtonEvent(display, mainMouseButton, False, 0);
XTestFakeButtonEvent(display, mainMouseButton, True, 0);
XTestFakeButtonEvent(display, mainMouseButton, False, 0);
} else if (isMiddleClick) {
XTestFakeButtonEvent(display, MiddleMouseButton, True, 0);
XTestFakeButtonEvent(display, MiddleMouseButton, False, 0);
} else if (isRightClick) {
XTestFakeButtonEvent(display, secondaryMouseButton, True, 0);
XTestFakeButtonEvent(display, secondaryMouseButton, False, 0);
} else if (isSingleHold) {
// For drag'n drop
XTestFakeButtonEvent(display, mainMouseButton, True, 0);
} else if (isSingleRelease) {
// For drag'n drop. NEVER USED (release is done by tapping, which actually triggers a isSingleClick). Kept here for future-proofness.
XTestFakeButtonEvent(display, mainMouseButton, False, 0);
} else if (isScroll) {
if (dy < 0) {
XTestFakeButtonEvent(display, MouseWheelDown, True, 0);
XTestFakeButtonEvent(display, MouseWheelDown, False, 0);
} else if (dy > 0) {
XTestFakeButtonEvent(display, MouseWheelUp, True, 0);
XTestFakeButtonEvent(display, MouseWheelUp, False, 0);
}
} else if (!key.isEmpty() || specialKey) {
bool ctrl = np.get<bool>(QStringLiteral("ctrl"), false);
bool alt = np.get<bool>(QStringLiteral("alt"), false);
bool shift = np.get<bool>(QStringLiteral("shift"), false);
bool super = np.get<bool>(QStringLiteral("super"), false);
if (ctrl)
XTestFakeKeyEvent(display, XKeysymToKeycode(display, XK_Control_L), True, 0);
if (alt)
XTestFakeKeyEvent(display, XKeysymToKeycode(display, XK_Alt_L), True, 0);
if (shift)
XTestFakeKeyEvent(display, XKeysymToKeycode(display, XK_Shift_L), True, 0);
if (super)
XTestFakeKeyEvent(display, XKeysymToKeycode(display, XK_Super_L), True, 0);
if (specialKey) {
if (specialKey >= (int)arraySize(SpecialKeysMap)) {
qWarning() << "Unsupported special key identifier";
return false;
}
int keycode = XKeysymToKeycode(display, SpecialKeysMap[specialKey]);
XTestFakeKeyEvent(display, keycode, True, 0);
XTestFakeKeyEvent(display, keycode, False, 0);
} else {
if (!m_fakekey) {
m_fakekey = fakekey_init(display);
if (!m_fakekey) {
qWarning() << "Failed to initialize libfakekey";
return false;
}
}
// We use fakekey here instead of XTest (above) because it can handle utf characters instead of keycodes.
for (int i = 0; i < key.length(); i++) {
QByteArray utf8 = QString(key.at(i)).toUtf8();
fakekey_press(m_fakekey, (const uchar *)utf8.constData(), utf8.size(), 0);
fakekey_release(m_fakekey);
}
}
if (ctrl)
XTestFakeKeyEvent(display, XKeysymToKeycode(display, XK_Control_L), False, 0);
if (alt)
XTestFakeKeyEvent(display, XKeysymToKeycode(display, XK_Alt_L), False, 0);
if (shift)
XTestFakeKeyEvent(display, XKeysymToKeycode(display, XK_Shift_L), False, 0);
if (super)
XTestFakeKeyEvent(display, XKeysymToKeycode(display, XK_Super_L), False, 0);
}
XFlush(display);
} else { // Is a mouse move event
QPoint point = QCursor::pos();
QCursor::setPos(point.x() + (int)dx, point.y() + (int)dy);
}
return true;
}
bool X11RemoteInput::hasKeyboardSupport()
{
return true;
}
#include "moc_x11remoteinput.cpp"
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