7096e3ead8
The .clang-format file is based on the one in ECM except the following style options: - AlwaysBreakBeforeMultilineStrings - BinPackArguments - BinPackParameters - ColumnLimit - BreakBeforeBraces - KeepEmptyLinesAtTheStartOfBlocks
353 lines
9.9 KiB
C++
353 lines
9.9 KiB
C++
/*
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SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
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*/
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#include "utils/xcbutils.h"
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#include <QApplication>
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#include <QCheckBox>
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#include <QHBoxLayout>
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#include <QMenu>
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#include <QPlatformSurfaceEvent>
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#include <QPushButton>
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#include <QScreen>
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#include <QTimer>
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#include <QToolButton>
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#include <QWidget>
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#include <QWindow>
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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#include <private/qtx11extras_p.h>
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#else
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#include <QX11Info>
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#endif
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#include <KWindowSystem>
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#include <KWayland/Client/connection_thread.h>
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#include <KWayland/Client/plasmashell.h>
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#include <KWayland/Client/registry.h>
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#include <KWayland/Client/surface.h>
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class ScreenEdgeHelper : public QObject
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{
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Q_OBJECT
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protected:
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ScreenEdgeHelper(QWidget *widget, QObject *parent = nullptr);
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QWindow *window() const
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{
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return m_widget->windowHandle();
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}
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virtual void restore() = 0;
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public:
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~ScreenEdgeHelper() override;
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virtual void hide() = 0;
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virtual void raiseOrShow(bool raise) = 0;
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virtual void init(){};
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virtual void moveToTop();
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virtual void moveToRight();
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virtual void moveToBottom();
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virtual void moveToLeft();
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virtual void moveToFloating();
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void hideAndRestore()
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{
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hide();
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m_timer->start(10000);
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}
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private:
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QWidget *m_widget;
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QTimer *m_timer;
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};
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class ScreenEdgeHelperX11 : public ScreenEdgeHelper
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{
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Q_OBJECT
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public:
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ScreenEdgeHelperX11(QWidget *widget, QObject *parent = nullptr);
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~ScreenEdgeHelperX11() override = default;
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void hide() override;
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void raiseOrShow(bool raise) override;
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void moveToTop() override;
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void moveToRight() override;
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void moveToBottom() override;
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void moveToLeft() override;
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void moveToFloating() override;
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protected:
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void restore() override;
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private:
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uint32_t m_locationValue = 2;
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uint32_t m_actionValue = 0;
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KWin::Xcb::Atom m_atom;
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};
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class ScreenEdgeHelperWayland : public ScreenEdgeHelper
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{
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Q_OBJECT
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public:
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ScreenEdgeHelperWayland(QWidget *widget, QObject *parent = nullptr);
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~ScreenEdgeHelperWayland() override = default;
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void hide() override;
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void raiseOrShow(bool raise) override;
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void init() override;
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bool eventFilter(QObject *watched, QEvent *event) override;
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protected:
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void restore() override;
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private:
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void setupSurface();
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KWayland::Client::PlasmaShell *m_shell = nullptr;
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KWayland::Client::PlasmaShellSurface *m_shellSurface = nullptr;
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bool m_autoHide = true;
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};
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ScreenEdgeHelper::ScreenEdgeHelper(QWidget *widget, QObject *parent)
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: QObject(parent)
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, m_widget(widget)
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, m_timer(new QTimer(this))
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{
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m_timer->setSingleShot(true);
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connect(m_timer, &QTimer::timeout, this, &ScreenEdgeHelper::restore);
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}
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ScreenEdgeHelper::~ScreenEdgeHelper() = default;
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void ScreenEdgeHelper::moveToTop()
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{
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const QRect geo = QGuiApplication::primaryScreen()->geometry();
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m_widget->setGeometry(geo.x(), geo.y(), geo.width(), 100);
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}
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void ScreenEdgeHelper::moveToRight()
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{
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const QRect geo = QGuiApplication::primaryScreen()->geometry();
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m_widget->setGeometry(geo.x(), geo.y(), geo.width(), 100);
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}
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void ScreenEdgeHelper::moveToBottom()
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{
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const QRect geo = QGuiApplication::primaryScreen()->geometry();
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m_widget->setGeometry(geo.x(), geo.y() + geo.height() - 100, geo.width(), 100);
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}
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void ScreenEdgeHelper::moveToLeft()
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{
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const QRect geo = QGuiApplication::primaryScreen()->geometry();
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m_widget->setGeometry(geo.x(), geo.y(), 100, geo.height());
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}
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void ScreenEdgeHelper::moveToFloating()
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{
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const QRect geo = QGuiApplication::primaryScreen()->geometry();
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m_widget->setGeometry(QRect(geo.center(), QSize(100, 100)));
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}
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ScreenEdgeHelperX11::ScreenEdgeHelperX11(QWidget *widget, QObject *parent)
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: ScreenEdgeHelper(widget, parent)
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, m_atom(QByteArrayLiteral("_KDE_NET_WM_SCREEN_EDGE_SHOW"))
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{
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}
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void ScreenEdgeHelperX11::hide()
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{
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uint32_t value = m_locationValue | (m_actionValue << 8);
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xcb_change_property(QX11Info::connection(), XCB_PROP_MODE_REPLACE, window()->winId(), m_atom, XCB_ATOM_CARDINAL, 32, 1, &value);
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}
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void ScreenEdgeHelperX11::restore()
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{
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xcb_delete_property(QX11Info::connection(), window()->winId(), m_atom);
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}
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void ScreenEdgeHelperX11::raiseOrShow(bool raise)
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{
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m_actionValue = raise ? 1 : 0;
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}
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void ScreenEdgeHelperX11::moveToBottom()
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{
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ScreenEdgeHelper::moveToBottom();
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m_locationValue = 2;
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}
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void ScreenEdgeHelperX11::moveToFloating()
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{
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ScreenEdgeHelper::moveToFloating();
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m_locationValue = 4;
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}
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void ScreenEdgeHelperX11::moveToLeft()
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{
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ScreenEdgeHelper::moveToLeft();
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m_locationValue = 3;
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}
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void ScreenEdgeHelperX11::moveToRight()
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{
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ScreenEdgeHelper::moveToRight();
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m_locationValue = 1;
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}
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void ScreenEdgeHelperX11::moveToTop()
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{
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ScreenEdgeHelper::moveToTop();
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m_locationValue = 0;
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}
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using namespace KWayland::Client;
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ScreenEdgeHelperWayland::ScreenEdgeHelperWayland(QWidget *widget, QObject *parent)
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: ScreenEdgeHelper(widget, parent)
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{
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ConnectionThread *connection = ConnectionThread::fromApplication(this);
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Registry *registry = new Registry(connection);
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registry->create(connection);
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connect(registry, &Registry::interfacesAnnounced, this,
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[registry, this] {
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const auto interface = registry->interface(Registry::Interface::PlasmaShell);
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if (interface.name == 0) {
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return;
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}
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m_shell = registry->createPlasmaShell(interface.name, interface.version);
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});
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registry->setup();
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connection->roundtrip();
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}
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void ScreenEdgeHelperWayland::init()
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{
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window()->installEventFilter(this);
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setupSurface();
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}
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void ScreenEdgeHelperWayland::setupSurface()
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{
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if (!m_shell) {
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return;
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}
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if (auto s = Surface::fromWindow(window())) {
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m_shellSurface = m_shell->createSurface(s, window());
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m_shellSurface->setRole(PlasmaShellSurface::Role::Panel);
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m_shellSurface->setPanelBehavior(PlasmaShellSurface::PanelBehavior::AutoHide);
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m_shellSurface->setPosition(window()->position());
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}
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}
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void ScreenEdgeHelperWayland::hide()
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{
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if (m_shellSurface && m_autoHide) {
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m_shellSurface->requestHideAutoHidingPanel();
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}
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}
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void ScreenEdgeHelperWayland::restore()
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{
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if (m_shellSurface && m_autoHide) {
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m_shellSurface->requestShowAutoHidingPanel();
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}
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}
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void ScreenEdgeHelperWayland::raiseOrShow(bool raise)
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{
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m_autoHide = !raise;
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if (m_shellSurface) {
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if (raise) {
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m_shellSurface->setPanelBehavior(PlasmaShellSurface::PanelBehavior::WindowsCanCover);
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} else {
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m_shellSurface->setPanelBehavior(PlasmaShellSurface::PanelBehavior::AutoHide);
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}
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}
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}
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bool ScreenEdgeHelperWayland::eventFilter(QObject *watched, QEvent *event)
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{
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if (watched != window() || !m_shell) {
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return false;
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}
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if (event->type() == QEvent::PlatformSurface) {
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QPlatformSurfaceEvent *pe = static_cast<QPlatformSurfaceEvent *>(event);
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if (pe->surfaceEventType() == QPlatformSurfaceEvent::SurfaceCreated) {
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setupSurface();
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} else {
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delete m_shellSurface;
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m_shellSurface = nullptr;
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}
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}
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if (event->type() == QEvent::Move) {
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if (m_shellSurface) {
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m_shellSurface->setPosition(window()->position());
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}
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}
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return false;
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}
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int main(int argc, char **argv)
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{
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QApplication app(argc, argv);
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QApplication::setApplicationDisplayName(QStringLiteral("Screen Edge Show Test App"));
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ScreenEdgeHelper *helper = nullptr;
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QScopedPointer<QWidget> widget(new QWidget(nullptr, Qt::FramelessWindowHint));
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if (KWindowSystem::isPlatformX11()) {
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app.setProperty("x11Connection", QVariant::fromValue<void *>(QX11Info::connection()));
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helper = new ScreenEdgeHelperX11(widget.data(), &app);
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} else if (KWindowSystem::isPlatformWayland()) {
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helper = new ScreenEdgeHelperWayland(widget.data(), &app);
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}
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if (!helper) {
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return 2;
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}
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QPushButton *hideWindowButton = new QPushButton(QStringLiteral("Hide"), widget.data());
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QObject::connect(hideWindowButton, &QPushButton::clicked, helper, &ScreenEdgeHelper::hide);
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QPushButton *hideAndRestoreButton = new QPushButton(QStringLiteral("Hide and Restore after 10 sec"), widget.data());
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QObject::connect(hideAndRestoreButton, &QPushButton::clicked, helper, &ScreenEdgeHelper::hideAndRestore);
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QToolButton *edgeButton = new QToolButton(widget.data());
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QCheckBox *raiseCheckBox = new QCheckBox("Raise:", widget.data());
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QObject::connect(raiseCheckBox, &QCheckBox::toggled, helper, &ScreenEdgeHelper::raiseOrShow);
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edgeButton->setText(QStringLiteral("Edge"));
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edgeButton->setPopupMode(QToolButton::MenuButtonPopup);
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QMenu *edgeButtonMenu = new QMenu(edgeButton);
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QObject::connect(edgeButtonMenu->addAction("Top"), &QAction::triggered, helper, &ScreenEdgeHelper::moveToTop);
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QObject::connect(edgeButtonMenu->addAction("Right"), &QAction::triggered, helper, &ScreenEdgeHelper::moveToRight);
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QObject::connect(edgeButtonMenu->addAction("Bottom"), &QAction::triggered, helper, &ScreenEdgeHelper::moveToBottom);
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QObject::connect(edgeButtonMenu->addAction("Left"), &QAction::triggered, helper, &ScreenEdgeHelper::moveToLeft);
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edgeButtonMenu->addSeparator();
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QObject::connect(edgeButtonMenu->addAction("Floating"), &QAction::triggered, helper, &ScreenEdgeHelper::moveToFloating);
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edgeButton->setMenu(edgeButtonMenu);
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QHBoxLayout *layout = new QHBoxLayout(widget.data());
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layout->addWidget(hideWindowButton);
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layout->addWidget(hideAndRestoreButton);
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layout->addWidget(edgeButton);
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widget->setLayout(layout);
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const QRect geo = QGuiApplication::primaryScreen()->geometry();
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widget->setGeometry(geo.x(), geo.y() + geo.height() - 100, geo.width(), 100);
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widget->show();
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helper->init();
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return app.exec();
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}
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#include "screenedgeshowtest.moc"
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