kwin/cursor.cpp
Martin Gräßlin 857d8a9c37 Add a KSharedConfigPtr for kcminputrc to KWin::Application
Summary:
There are a few places where KWin needs to read values from kcminputrc.
As I need to add yet another one it makes more sense to properly
structure it like in other cases and have only one kcminputrc hold in
the application. This also allows to better mock the config values in
the integration tests.

Reviewers: #kwin, #plasma

Subscribers: plasma-devel, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D5540
2017-04-24 21:01:03 +02:00

444 lines
16 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "cursor.h"
// kwin
#include <kwinglobals.h>
#include "input.h"
#include "keyboard_input.h"
#include "main.h"
#include "platform.h"
#include "utils.h"
#include "xcbutils.h"
// KDE
#include <KConfig>
#include <KConfigGroup>
#include <KSharedConfig>
// Qt
#include <QAbstractEventDispatcher>
#include <QDBusConnection>
#include <QScreen>
#include <QTimer>
// xcb
#include <xcb/xfixes.h>
namespace KWin
{
Cursor *Cursor::s_self = nullptr;
Cursor::Cursor(QObject *parent)
: QObject(parent)
, m_mousePollingCounter(0)
, m_cursorTrackingCounter(0)
, m_themeName("default")
, m_themeSize(24)
{
s_self = this;
loadThemeSettings();
QDBusConnection::sessionBus().connect(QString(), QStringLiteral("/KGlobalSettings"), QStringLiteral("org.kde.KGlobalSettings"),
QStringLiteral("notifyChange"), this, SLOT(slotKGlobalSettingsNotifyChange(int,int)));
}
Cursor::~Cursor()
{
s_self = NULL;
}
void Cursor::loadThemeSettings()
{
QString themeName = QString::fromUtf8(qgetenv("XCURSOR_THEME"));
bool ok = false;
// XCURSOR_SIZE might not be set (e.g. by startkde)
uint themeSize = 0;
if (qEnvironmentVariableIsSet("XCURSOR_SIZE")) {
themeSize = qgetenv("XCURSOR_SIZE").toUInt(&ok);
}
if (!ok) {
if (QScreen *s = QGuiApplication::primaryScreen()) {
themeSize = s->logicalDotsPerInchY() * 16 / 72;
ok = true;
}
}
if (!themeName.isEmpty() && ok) {
updateTheme(themeName, themeSize);
return;
}
// didn't get from environment variables, read from config file
loadThemeFromKConfig();
}
void Cursor::loadThemeFromKConfig()
{
KConfigGroup mousecfg(kwinApp()->inputConfig(), "Mouse");
const QString themeName = mousecfg.readEntry("cursorTheme", "default");
bool ok = false;
uint themeSize = mousecfg.readEntry("cursorSize", QString("24")).toUInt(&ok);
if (!ok) {
themeSize = 24;
}
updateTheme(themeName, themeSize);
}
void Cursor::updateTheme(const QString &name, int size)
{
if (m_themeName != name || m_themeSize != size) {
m_themeName = name;
m_themeSize = size;
emit themeChanged();
}
}
void Cursor::slotKGlobalSettingsNotifyChange(int type, int arg)
{
Q_UNUSED(arg)
if (type == 5 /*CursorChanged*/) {
loadThemeFromKConfig();
// sync to environment
qputenv("XCURSOR_THEME", m_themeName.toUtf8());
qputenv("XCURSOR_SIZE", QByteArray::number(m_themeSize));
}
}
QPoint Cursor::pos()
{
s_self->doGetPos();
return s_self->m_pos;
}
void Cursor::setPos(const QPoint &pos)
{
// first query the current pos to not warp to the already existing pos
if (pos == Cursor::pos()) {
return;
}
s_self->m_pos = pos;
s_self->doSetPos();
}
void Cursor::setPos(int x, int y)
{
Cursor::setPos(QPoint(x, y));
}
xcb_cursor_t Cursor::getX11Cursor(Qt::CursorShape shape)
{
Q_UNUSED(shape)
return XCB_CURSOR_NONE;
}
xcb_cursor_t Cursor::getX11Cursor(const QByteArray &name)
{
Q_UNUSED(name)
return XCB_CURSOR_NONE;
}
xcb_cursor_t Cursor::x11Cursor(Qt::CursorShape shape)
{
return s_self->getX11Cursor(shape);
}
xcb_cursor_t Cursor::x11Cursor(const QByteArray &name)
{
return s_self->getX11Cursor(name);
}
void Cursor::doSetPos()
{
emit posChanged(m_pos);
}
void Cursor::doGetPos()
{
}
void Cursor::updatePos(const QPoint &pos)
{
if (m_pos == pos) {
return;
}
m_pos = pos;
emit posChanged(m_pos);
}
void Cursor::startMousePolling()
{
++m_mousePollingCounter;
if (m_mousePollingCounter == 1) {
doStartMousePolling();
}
}
void Cursor::stopMousePolling()
{
Q_ASSERT(m_mousePollingCounter > 0);
--m_mousePollingCounter;
if (m_mousePollingCounter == 0) {
doStopMousePolling();
}
}
void Cursor::doStartMousePolling()
{
}
void Cursor::doStopMousePolling()
{
}
void Cursor::startCursorTracking()
{
++m_cursorTrackingCounter;
if (m_cursorTrackingCounter == 1) {
doStartCursorTracking();
}
}
void Cursor::stopCursorTracking()
{
Q_ASSERT(m_cursorTrackingCounter > 0);
--m_cursorTrackingCounter;
if (m_cursorTrackingCounter == 0) {
doStopCursorTracking();
}
}
void Cursor::doStartCursorTracking()
{
}
void Cursor::doStopCursorTracking()
{
}
void Cursor::notifyCursorChanged(uint32_t serial)
{
Q_UNUSED(serial)
if (m_cursorTrackingCounter <= 0) {
// cursor change tracking is currently disabled, so don't emit signal
return;
}
emit cursorChanged();
}
QVector<QByteArray> Cursor::cursorAlternativeNames(const QByteArray &name) const
{
static const QHash<QByteArray, QVector<QByteArray>> alternatives = {
{QByteArrayLiteral("left_ptr"), {QByteArrayLiteral("arrow"),
QByteArrayLiteral("dnd-none"),
QByteArrayLiteral("op_left_arrow")}},
{QByteArrayLiteral("cross"), {QByteArrayLiteral("crosshair"),
QByteArrayLiteral("diamond-cross"),
QByteArrayLiteral("cross-reverse")}},
{QByteArrayLiteral("up_arrow"), {QByteArrayLiteral("center_ptr"),
QByteArrayLiteral("sb_up_arrow"),
QByteArrayLiteral("centre_ptr")}},
{QByteArrayLiteral("wait"), {QByteArrayLiteral("watch"),
QByteArrayLiteral("progress")}},
{QByteArrayLiteral("ibeam"), {QByteArrayLiteral("xterm"),
QByteArrayLiteral("text")}},
{QByteArrayLiteral("size_all"), {QByteArrayLiteral("fleur")}},
{QByteArrayLiteral("pointing_hand"), {QByteArrayLiteral("hand2"),
QByteArrayLiteral("hand"),
QByteArrayLiteral("hand1"),
QByteArrayLiteral("pointer"),
QByteArrayLiteral("e29285e634086352946a0e7090d73106"),
QByteArrayLiteral("9d800788f1b08800ae810202380a0822")}},
{QByteArrayLiteral("size_ver"), {QByteArrayLiteral("00008160000006810000408080010102"),
QByteArrayLiteral("sb_v_double_arrow"),
QByteArrayLiteral("v_double_arrow"),
QByteArrayLiteral("n-resize"),
QByteArrayLiteral("s-resize"),
QByteArrayLiteral("col-resize"),
QByteArrayLiteral("top_side"),
QByteArrayLiteral("bottom_side"),
QByteArrayLiteral("base_arrow_up"),
QByteArrayLiteral("base_arrow_down"),
QByteArrayLiteral("based_arrow_down"),
QByteArrayLiteral("based_arrow_up")}},
{QByteArrayLiteral("size_hor"), {QByteArrayLiteral("028006030e0e7ebffc7f7070c0600140"),
QByteArrayLiteral("sb_h_double_arrow"),
QByteArrayLiteral("h_double_arrow"),
QByteArrayLiteral("e-resize"),
QByteArrayLiteral("w-resize"),
QByteArrayLiteral("row-resize"),
QByteArrayLiteral("right_side"),
QByteArrayLiteral("left_side")}},
{QByteArrayLiteral("size_bdiag"), {QByteArrayLiteral("fcf1c3c7cd4491d801f1e1c78f100000"),
QByteArrayLiteral("fd_double_arrow"),
QByteArrayLiteral("bottom_left_corner"),
QByteArrayLiteral("top_right_corner")}},
{QByteArrayLiteral("size_fdiag"), {QByteArrayLiteral("c7088f0f3e6c8088236ef8e1e3e70000"),
QByteArrayLiteral("bd_double_arrow"),
QByteArrayLiteral("bottom_right_corner"),
QByteArrayLiteral("top_left_corner")}},
{QByteArrayLiteral("whats_this"), {QByteArrayLiteral("d9ce0ab605698f320427677b458ad60b"),
QByteArrayLiteral("left_ptr_help"),
QByteArrayLiteral("help"),
QByteArrayLiteral("question_arrow"),
QByteArrayLiteral("dnd-ask"),
QByteArrayLiteral("5c6cd98b3f3ebcb1f9c7f1c204630408")}},
{QByteArrayLiteral("split_h"), {QByteArrayLiteral("14fef782d02440884392942c11205230"),
QByteArrayLiteral("size_hor")}},
{QByteArrayLiteral("split_v"), {QByteArrayLiteral("2870a09082c103050810ffdffffe0204"),
QByteArrayLiteral("size_ver")}},
{QByteArrayLiteral("forbidden"), {QByteArrayLiteral("03b6e0fcb3499374a867c041f52298f0"),
QByteArrayLiteral("circle"),
QByteArrayLiteral("dnd-no-drop"),
QByteArrayLiteral("not-allowed")}},
{QByteArrayLiteral("left_ptr_watch"), {QByteArrayLiteral("3ecb610c1bf2410f44200f48c40d3599"),
QByteArrayLiteral("00000000000000020006000e7e9ffc3f"),
QByteArrayLiteral("08e8e1c95fe2fc01f976f1e063a24ccd")}},
{QByteArrayLiteral("openhand"), {QByteArrayLiteral("9141b49c8149039304290b508d208c40"),
QByteArrayLiteral("all_scroll"),
QByteArrayLiteral("all-scroll")}},
{QByteArrayLiteral("closedhand"), {QByteArrayLiteral("05e88622050804100c20044008402080"),
QByteArrayLiteral("4498f0e0c1937ffe01fd06f973665830"),
QByteArrayLiteral("9081237383d90e509aa00f00170e968f"),
QByteArrayLiteral("fcf21c00b30f7e3f83fe0dfd12e71cff")}},
{QByteArrayLiteral("dnd-link"), {QByteArrayLiteral("link"),
QByteArrayLiteral("alias"),
QByteArrayLiteral("3085a0e285430894940527032f8b26df"),
QByteArrayLiteral("640fb0e74195791501fd1ed57b41487f"),
QByteArrayLiteral("a2a266d0498c3104214a47bd64ab0fc8")}},
{QByteArrayLiteral("dnd-copy"), {QByteArrayLiteral("copy"),
QByteArrayLiteral("1081e37283d90000800003c07f3ef6bf"),
QByteArrayLiteral("6407b0e94181790501fd1e167b474872"),
QByteArrayLiteral("b66166c04f8c3109214a4fbd64a50fc8")}},
{QByteArrayLiteral("dnd-move"), {QByteArrayLiteral("move")}}
};
auto it = alternatives.find(name);
if (it != alternatives.end()) {
return it.value();
}
return QVector<QByteArray>();
}
QByteArray Cursor::cursorName(Qt::CursorShape shape) const
{
switch (shape) {
case Qt::ArrowCursor:
return QByteArray("left_ptr");
case Qt::UpArrowCursor:
return QByteArray("up_arrow");
case Qt::CrossCursor:
return QByteArray("cross");
case Qt::WaitCursor:
return QByteArray("wait");
case Qt::IBeamCursor:
return QByteArray("ibeam");
case Qt::SizeVerCursor:
return QByteArray("size_ver");
case Qt::SizeHorCursor:
return QByteArray("size_hor");
case Qt::SizeBDiagCursor:
return QByteArray("size_bdiag");
case Qt::SizeFDiagCursor:
return QByteArray("size_fdiag");
case Qt::SizeAllCursor:
return QByteArray("size_all");
case Qt::SplitVCursor:
return QByteArray("split_v");
case Qt::SplitHCursor:
return QByteArray("split_h");
case Qt::PointingHandCursor:
return QByteArray("pointing_hand");
case Qt::ForbiddenCursor:
return QByteArray("forbidden");
case Qt::OpenHandCursor:
return QByteArray("openhand");
case Qt::ClosedHandCursor:
return QByteArray("closedhand");
case Qt::WhatsThisCursor:
return QByteArray("whats_this");
case Qt::BusyCursor:
return QByteArray("left_ptr_watch");
case Qt::DragMoveCursor:
return QByteArray("dnd-move");
case Qt::DragCopyCursor:
return QByteArray("dnd-copy");
case Qt::DragLinkCursor:
return QByteArray("dnd-link");
default:
return QByteArray();
}
}
InputRedirectionCursor::InputRedirectionCursor(QObject *parent)
: Cursor(parent)
, m_currentButtons(Qt::NoButton)
{
connect(input(), SIGNAL(globalPointerChanged(QPointF)), SLOT(slotPosChanged(QPointF)));
connect(input(), SIGNAL(pointerButtonStateChanged(uint32_t,InputRedirection::PointerButtonState)),
SLOT(slotPointerButtonChanged()));
#ifndef KCMRULES
connect(input(), &InputRedirection::keyboardModifiersChanged,
this, &InputRedirectionCursor::slotModifiersChanged);
#endif
}
InputRedirectionCursor::~InputRedirectionCursor()
{
}
void InputRedirectionCursor::doSetPos()
{
if (input()->supportsPointerWarping()) {
input()->warpPointer(currentPos());
}
slotPosChanged(input()->globalPointer());
emit posChanged(currentPos());
}
void InputRedirectionCursor::slotPosChanged(const QPointF &pos)
{
const QPoint oldPos = currentPos();
updatePos(pos.toPoint());
emit mouseChanged(pos.toPoint(), oldPos, m_currentButtons, m_currentButtons,
input()->keyboardModifiers(), input()->keyboardModifiers());
}
void InputRedirectionCursor::slotModifiersChanged(Qt::KeyboardModifiers mods, Qt::KeyboardModifiers oldMods)
{
emit mouseChanged(currentPos(), currentPos(), m_currentButtons, m_currentButtons, mods, oldMods);
}
void InputRedirectionCursor::slotPointerButtonChanged()
{
const Qt::MouseButtons oldButtons = m_currentButtons;
m_currentButtons = input()->qtButtonStates();
const QPoint pos = currentPos();
emit mouseChanged(pos, pos, m_currentButtons, oldButtons, input()->keyboardModifiers(), input()->keyboardModifiers());
}
void InputRedirectionCursor::doStartCursorTracking()
{
#ifndef KCMRULES
connect(kwinApp()->platform(), &Platform::cursorChanged, this, &Cursor::cursorChanged);
#endif
}
void InputRedirectionCursor::doStopCursorTracking()
{
#ifndef KCMRULES
disconnect(kwinApp()->platform(), &Platform::cursorChanged, this, &Cursor::cursorChanged);
#endif
}
} // namespace