202 lines
4.5 KiB
C++
202 lines
4.5 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 1999, 2000 Matthias Ettrich <ettrich@kde.org>
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SPDX-FileCopyrightText: 2003 Lubos Lunak <l.lunak@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/*
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This file is for (very) small utility functions/classes.
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*/
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#include "utils.h"
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#include <QWidget>
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#include <kkeyserver.h>
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#ifndef KCMRULES
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#include <QApplication>
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#include <QDebug>
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#include "atoms.h"
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#include "platform.h"
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#include "workspace.h"
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#include <csignal>
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#include <cstdio>
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#endif
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Q_LOGGING_CATEGORY(KWIN_CORE, "kwin_core", QtWarningMsg)
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Q_LOGGING_CATEGORY(KWIN_VIRTUALKEYBOARD, "kwin_virtualkeyboard", QtWarningMsg)
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namespace KWin
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{
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#ifndef KCMRULES
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//************************************
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// StrutRect
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//************************************
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StrutRect::StrutRect(QRect rect, StrutArea area)
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: QRect(rect)
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, m_area(area)
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{
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}
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StrutRect::StrutRect(int x, int y, int width, int height, StrutArea area)
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: QRect(x, y, width, height)
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, m_area(area)
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{
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}
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StrutRect::StrutRect(const StrutRect& other)
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: QRect(other)
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, m_area(other.area())
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{
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}
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StrutRect &StrutRect::operator=(const StrutRect &other)
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{
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if (this != &other) {
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QRect::operator=(other);
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m_area = other.area();
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}
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return *this;
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}
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#endif
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Process::Process(QObject *parent)
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: QProcess(parent)
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{
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}
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Process::~Process() = default;
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#ifndef KCMRULES
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void updateXTime()
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{
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kwinApp()->platform()->updateXTime();
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}
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static int server_grab_count = 0;
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void grabXServer()
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{
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if (++server_grab_count == 1)
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xcb_grab_server(connection());
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}
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void ungrabXServer()
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{
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Q_ASSERT(server_grab_count > 0);
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if (--server_grab_count == 0) {
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xcb_ungrab_server(connection());
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xcb_flush(connection());
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}
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}
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static bool keyboard_grabbed = false;
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bool grabXKeyboard(xcb_window_t w)
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{
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if (QWidget::keyboardGrabber() != nullptr)
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return false;
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if (keyboard_grabbed)
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return false;
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if (qApp->activePopupWidget() != nullptr)
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return false;
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if (w == XCB_WINDOW_NONE)
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w = rootWindow();
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const xcb_grab_keyboard_cookie_t c = xcb_grab_keyboard_unchecked(connection(), false, w, xTime(),
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XCB_GRAB_MODE_ASYNC, XCB_GRAB_MODE_ASYNC);
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ScopedCPointer<xcb_grab_keyboard_reply_t> grab(xcb_grab_keyboard_reply(connection(), c, nullptr));
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if (grab.isNull()) {
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return false;
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}
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if (grab->status != XCB_GRAB_STATUS_SUCCESS) {
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return false;
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}
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keyboard_grabbed = true;
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return true;
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}
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void ungrabXKeyboard()
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{
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if (!keyboard_grabbed) {
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// grabXKeyboard() may fail sometimes, so don't fail, but at least warn anyway
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qCDebug(KWIN_CORE) << "ungrabXKeyboard() called but keyboard not grabbed!";
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}
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keyboard_grabbed = false;
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xcb_ungrab_keyboard(connection(), XCB_TIME_CURRENT_TIME);
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}
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void Process::setupChildProcess()
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{
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sigset_t userSignals;
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sigemptyset(&userSignals);
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sigaddset(&userSignals, SIGUSR1);
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sigaddset(&userSignals, SIGUSR2);
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pthread_sigmask(SIG_UNBLOCK, &userSignals, nullptr);
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}
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#endif
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// converting between X11 mouse/keyboard state mask and Qt button/keyboard states
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Qt::MouseButton x11ToQtMouseButton(int button)
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{
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if (button == XCB_BUTTON_INDEX_1)
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return Qt::LeftButton;
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if (button == XCB_BUTTON_INDEX_2)
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return Qt::MiddleButton;
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if (button == XCB_BUTTON_INDEX_3)
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return Qt::RightButton;
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if (button == XCB_BUTTON_INDEX_4)
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return Qt::XButton1;
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if (button == XCB_BUTTON_INDEX_5)
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return Qt::XButton2;
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return Qt::NoButton;
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}
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Qt::MouseButtons x11ToQtMouseButtons(int state)
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{
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Qt::MouseButtons ret = {};
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if (state & XCB_KEY_BUT_MASK_BUTTON_1)
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ret |= Qt::LeftButton;
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if (state & XCB_KEY_BUT_MASK_BUTTON_2)
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ret |= Qt::MiddleButton;
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if (state & XCB_KEY_BUT_MASK_BUTTON_3)
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ret |= Qt::RightButton;
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if (state & XCB_KEY_BUT_MASK_BUTTON_4)
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ret |= Qt::XButton1;
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if (state & XCB_KEY_BUT_MASK_BUTTON_5)
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ret |= Qt::XButton2;
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return ret;
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}
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Qt::KeyboardModifiers x11ToQtKeyboardModifiers(int state)
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{
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Qt::KeyboardModifiers ret = {};
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if (state & XCB_KEY_BUT_MASK_SHIFT)
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ret |= Qt::ShiftModifier;
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if (state & XCB_KEY_BUT_MASK_CONTROL)
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ret |= Qt::ControlModifier;
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if (state & KKeyServer::modXAlt())
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ret |= Qt::AltModifier;
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if (state & KKeyServer::modXMeta())
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ret |= Qt::MetaModifier;
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return ret;
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}
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} // namespace
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#ifndef KCMRULES
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#endif
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