mirror of https://github.com/cutefishos/fishui
Support x11 window move and resize
cutefishd
5 years ago
parent
01fd5ebc27
commit
9cc0da9531
@ -0,0 +1,102 @@
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/*
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* Copyright (C) 2021 CutefishOS Team.
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*
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* Author: cutefish <cutefishos@foxmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "windowhelper.h"
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#include <QApplication>
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#include <QX11Info>
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#include <QCursor>
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#include <KWindowSystem>
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static uint qtEdgesToXcbMoveResizeDirection(Qt::Edges edges)
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{
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if (edges == (Qt::TopEdge | Qt::LeftEdge))
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return 0;
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if (edges == Qt::TopEdge)
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return 1;
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if (edges == (Qt::TopEdge | Qt::RightEdge))
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return 2;
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if (edges == Qt::RightEdge)
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return 3;
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if (edges == (Qt::RightEdge | Qt::BottomEdge))
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return 4;
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if (edges == Qt::BottomEdge)
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return 5;
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if (edges == (Qt::BottomEdge | Qt::LeftEdge))
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return 6;
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if (edges == Qt::LeftEdge)
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return 7;
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return 0;
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}
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WindowHelper::WindowHelper(QObject *parent)
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: QObject(parent)
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, m_moveResizeAtom(0)
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{
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// create move-resize atom
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xcb_connection_t* connection(QX11Info::connection());
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const QString atomName(QStringLiteral("_NET_WM_MOVERESIZE"));
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xcb_intern_atom_cookie_t cookie(xcb_intern_atom(connection, false, atomName.size(), qPrintable(atomName)));
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QScopedPointer<xcb_intern_atom_reply_t> reply(xcb_intern_atom_reply(connection, cookie, nullptr));
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m_moveResizeAtom = reply ? reply->atom : 0;
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}
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void WindowHelper::startSystemMove(QWindow *w)
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{
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doStartSystemMoveResize(w, 16);
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}
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void WindowHelper::startSystemResize(QWindow *w, Qt::Edges edges)
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{
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doStartSystemMoveResize(w, edges);
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}
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void WindowHelper::minimizeWindow(QWindow *w)
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{
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KWindowSystem::minimizeWindow(w->winId());
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}
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void WindowHelper::doStartSystemMoveResize(QWindow *w, int edges)
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{
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const qreal dpiRatio = qApp->devicePixelRatio();
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xcb_connection_t *connection(QX11Info::connection());
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xcb_client_message_event_t xev;
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xev.response_type = XCB_CLIENT_MESSAGE;
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xev.type = m_moveResizeAtom;
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xev.sequence = 0;
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xev.window = w->winId();
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xev.format = 32;
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xev.data.data32[0] = QCursor::pos().x() * dpiRatio;
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xev.data.data32[1] = QCursor::pos().y() * dpiRatio;
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if (edges == 16)
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xev.data.data32[2] = 8; // move
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else
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xev.data.data32[2] = qtEdgesToXcbMoveResizeDirection(Qt::Edges(edges));
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xev.data.data32[3] = XCB_BUTTON_INDEX_1;
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xev.data.data32[4] = 0;
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xcb_ungrab_pointer(connection, XCB_CURRENT_TIME);
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xcb_send_event(connection, false, QX11Info::appRootWindow(),
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XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY,
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(const char *)&xev);
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}
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@ -0,0 +1,46 @@
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/*
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* Copyright (C) 2021 CutefishOS Team.
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*
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* Author: cutefish <cutefishos@foxmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef WINDOWHELPER_H
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#define WINDOWHELPER_H
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#include <QObject>
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#include <QWindow>
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#include <xcb/xcb.h>
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class WindowHelper : public QObject
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{
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Q_OBJECT
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public:
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explicit WindowHelper(QObject *parent = nullptr);
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Q_INVOKABLE void startSystemMove(QWindow *w);
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Q_INVOKABLE void startSystemResize(QWindow *w, Qt::Edges edges);
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Q_INVOKABLE void minimizeWindow(QWindow *w);
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private:
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void doStartSystemMoveResize(QWindow *w, int edges);
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private:
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xcb_atom_t m_moveResizeAtom;
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};
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#endif // WINDOWHELPER_H
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