f600e2f6f4
This replaces getting the Cursor through the X11CursorTracker which is now completely dropped. The Cursor data is now passed through from the Wayland server and forwared to the WaylandBackend.
669 lines
20 KiB
C++
669 lines
20 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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Copyright (C) 2013 Martin Gräßlin <mgraesslin@kde.org>
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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 2 of the License, or
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(at your option) any later version.
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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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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 "input.h"
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#include "client.h"
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#include "effects.h"
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#include "globalshortcuts.h"
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#include "logind.h"
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#include "main.h"
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#ifdef KWIN_BUILD_TABBOX
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#include "tabbox/tabbox.h"
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#endif
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#include "unmanaged.h"
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#include "screens.h"
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#include "workspace.h"
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#if HAVE_INPUT
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#include "libinput/connection.h"
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#endif
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#if HAVE_WAYLAND
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#include "wayland_backend.h"
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#include "wayland_server.h"
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#include <KWayland/Server/seat_interface.h>
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#endif
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// Qt
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#include <QKeyEvent>
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#include <QMouseEvent>
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// KDE
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#include <kkeyserver.h>
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#if HAVE_XKB
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#include <xkbcommon/xkbcommon.h>
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#endif
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// system
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#include <linux/input.h>
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#include <sys/mman.h>
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namespace KWin
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{
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#if HAVE_XKB
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Xkb::Xkb()
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: m_context(xkb_context_new(static_cast<xkb_context_flags>(0)))
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, m_keymap(NULL)
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, m_state(NULL)
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, m_shiftModifier(0)
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, m_controlModifier(0)
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, m_altModifier(0)
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, m_metaModifier(0)
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, m_modifiers(Qt::NoModifier)
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{
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if (!m_context) {
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qCDebug(KWIN_CORE) << "Could not create xkb context";
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}
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}
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Xkb::~Xkb()
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{
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xkb_state_unref(m_state);
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xkb_keymap_unref(m_keymap);
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xkb_context_unref(m_context);
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}
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void Xkb::installKeymap(int fd, uint32_t size)
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{
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if (!m_context) {
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return;
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}
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char *map = reinterpret_cast<char*>(mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
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if (map == MAP_FAILED) {
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return;
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}
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xkb_keymap *keymap = xkb_keymap_new_from_string(m_context, map, XKB_KEYMAP_FORMAT_TEXT_V1, XKB_MAP_COMPILE_PLACEHOLDER);
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munmap(map, size);
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if (!keymap) {
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qCDebug(KWIN_CORE) << "Could not map keymap from file";
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return;
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}
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xkb_state *state = xkb_state_new(keymap);
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if (!state) {
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qCDebug(KWIN_CORE) << "Could not create XKB state";
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xkb_keymap_unref(keymap);
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return;
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}
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// now release the old ones
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xkb_state_unref(m_state);
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xkb_keymap_unref(m_keymap);
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m_keymap = keymap;
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m_state = state;
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m_shiftModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_SHIFT);
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m_controlModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_CTRL);
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m_altModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_ALT);
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m_metaModifier = xkb_keymap_mod_get_index(m_keymap, XKB_MOD_NAME_LOGO);
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}
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void Xkb::updateModifiers(uint32_t modsDepressed, uint32_t modsLatched, uint32_t modsLocked, uint32_t group)
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{
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if (!m_keymap || !m_state) {
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return;
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}
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xkb_state_update_mask(m_state, modsDepressed, modsLatched, modsLocked, 0, 0, group);
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Qt::KeyboardModifiers mods = Qt::NoModifier;
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if (xkb_state_mod_index_is_active(m_state, m_shiftModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
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mods |= Qt::ShiftModifier;
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}
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if (xkb_state_mod_index_is_active(m_state, m_altModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
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mods |= Qt::AltModifier;
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}
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if (xkb_state_mod_index_is_active(m_state, m_controlModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
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mods |= Qt::ControlModifier;
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}
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if (xkb_state_mod_index_is_active(m_state, m_metaModifier, XKB_STATE_MODS_EFFECTIVE) == 1) {
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mods |= Qt::MetaModifier;
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}
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m_modifiers = mods;
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}
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void Xkb::updateKey(uint32_t key, InputRedirection::KeyboardKeyState state)
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{
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if (!m_keymap || !m_state) {
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return;
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}
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xkb_state_update_key(m_state, key + 8, static_cast<xkb_key_direction>(state));
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}
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xkb_keysym_t Xkb::toKeysym(uint32_t key)
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{
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if (!m_state) {
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return XKB_KEY_NoSymbol;
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}
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return xkb_state_key_get_one_sym(m_state, key + 8);
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}
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QString Xkb::toString(xkb_keysym_t keysym)
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{
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if (!m_state || keysym == XKB_KEY_NoSymbol) {
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return QString();
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}
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QByteArray byteArray(7, 0);
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int ok = xkb_keysym_to_utf8(keysym, byteArray.data(), byteArray.size());
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if (ok == -1 || ok == 0) {
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return QString();
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}
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return QString::fromUtf8(byteArray.constData());
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}
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Qt::Key Xkb::toQtKey(xkb_keysym_t keysym)
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{
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int key = Qt::Key_unknown;
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KKeyServer::symXToKeyQt(keysym, &key);
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return static_cast<Qt::Key>(key);
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}
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#endif
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KWIN_SINGLETON_FACTORY(InputRedirection)
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InputRedirection::InputRedirection(QObject *parent)
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: QObject(parent)
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#if HAVE_XKB
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, m_xkb(new Xkb())
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#endif
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, m_pointerWindow()
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, m_shortcuts(new GlobalShortcutsManager(this))
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{
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#if HAVE_INPUT
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if (Application::usesLibinput()) {
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LogindIntegration *logind = LogindIntegration::self();
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auto takeControl = [logind, this]() {
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if (logind->hasSessionControl()) {
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setupLibInput();
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} else {
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logind->takeControl();
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connect(logind, &LogindIntegration::hasSessionControlChanged, this, &InputRedirection::setupLibInput);
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}
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};
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if (logind->isConnected()) {
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takeControl();
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} else {
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connect(logind, &LogindIntegration::connectedChanged, this, takeControl);
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}
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}
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#endif
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}
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InputRedirection::~InputRedirection()
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{
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s_self = NULL;
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}
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void InputRedirection::setupLibInput()
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{
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#if HAVE_INPUT
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if (!Application::usesLibinput()) {
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return;
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}
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LibInput::Connection *conn = LibInput::Connection::create(this);
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if (conn) {
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conn->setup();
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conn->setScreenSize(screens()->size());
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connect(screens(), &Screens::sizeChanged, this,
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[this, conn] {
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conn->setScreenSize(screens()->size());
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}
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);
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connect(conn, &LibInput::Connection::pointerButtonChanged, this, &InputRedirection::processPointerButton);
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connect(conn, &LibInput::Connection::pointerAxisChanged, this, &InputRedirection::processPointerAxis);
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connect(conn, &LibInput::Connection::keyChanged, this, &InputRedirection::processKeyboardKey);
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connect(conn, &LibInput::Connection::pointerMotion, this,
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[this] (QPointF delta, uint32_t time) {
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processPointerMotion(m_globalPointer + delta, time);
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}
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);
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connect(conn, &LibInput::Connection::pointerMotionAbsolute, this,
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[this] (QPointF orig, QPointF screen, uint32_t time) {
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Q_UNUSED(orig)
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processPointerMotion(screen, time);
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}
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);
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connect(screens(), &Screens::changed, this, &InputRedirection::updatePointerAfterScreenChange);
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// set pos to center of all screens
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if (screens()) {
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m_globalPointer = screens()->geometry().center();
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emit globalPointerChanged(m_globalPointer);
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// sanitize
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updatePointerAfterScreenChange();
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}
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}
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#endif
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}
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#if HAVE_WAYLAND
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static KWayland::Server::SeatInterface *findSeat()
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{
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auto server = waylandServer();
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if (!server) {
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return nullptr;
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}
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return server->seat();
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}
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#endif
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void InputRedirection::updatePointerWindow()
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{
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// TODO: handle pointer grab aka popups
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Toplevel *t = findToplevel(m_globalPointer.toPoint());
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auto oldWindow = m_pointerWindow;
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if (!oldWindow.isNull() && t == m_pointerWindow.data()) {
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return;
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}
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#if HAVE_WAYLAND
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if (auto seat = findSeat()) {
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// disconnect old surface
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if (oldWindow) {
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disconnect(oldWindow.data(), &Toplevel::geometryChanged, this, &InputRedirection::updateFocusedPointerPosition);
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if (Wayland::WaylandBackend *w = Wayland::WaylandBackend::self()) {
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disconnect(seat->focusedPointer()->cursor(), &KWayland::Server::Cursor::changed, w, &Wayland::WaylandBackend::installCursorFromServer);
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}
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}
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if (t && t->surface()) {
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seat->setFocusedPointerSurface(t->surface(), t->pos());
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connect(t, &Toplevel::geometryChanged, this, &InputRedirection::updateFocusedPointerPosition);
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if (Wayland::WaylandBackend *w = Wayland::WaylandBackend::self()) {
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w->installCursorFromServer();
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connect(seat->focusedPointer()->cursor(), &KWayland::Server::Cursor::changed, w, &Wayland::WaylandBackend::installCursorFromServer);
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}
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} else {
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seat->setFocusedPointerSurface(nullptr);
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t = nullptr;
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}
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}
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#endif
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if (!t) {
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m_pointerWindow.clear();
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return;
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}
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m_pointerWindow = QWeakPointer<Toplevel>(t);
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}
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void InputRedirection::updateFocusedPointerPosition()
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{
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#if HAVE_WAYLAND
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if (m_pointerWindow.isNull()) {
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return;
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}
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if (workspace()->getMovingClient()) {
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// don't update while moving
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return;
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}
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if (auto seat = findSeat()) {
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if (m_pointerWindow.data()->surface() != seat->focusedPointerSurface()) {
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return;
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}
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seat->setFocusedPointerSurfacePosition(m_pointerWindow.data()->pos());
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}
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#endif
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}
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void InputRedirection::processPointerMotion(const QPointF &pos, uint32_t time)
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{
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// first update to new mouse position
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// const QPointF oldPos = m_globalPointer;
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updatePointerPosition(pos);
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// TODO: check which part of KWin would like to intercept the event
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QMouseEvent event(QEvent::MouseMove, m_globalPointer.toPoint(), m_globalPointer.toPoint(),
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Qt::NoButton, qtButtonStates(), keyboardModifiers());
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// check whether an effect has a mouse grab
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if (effects && static_cast<EffectsHandlerImpl*>(effects)->checkInputWindowEvent(&event)) {
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// an effect grabbed the pointer, we do not forward the event to surfaces
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return;
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}
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QWeakPointer<Toplevel> old = m_pointerWindow;
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updatePointerWindow();
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#if HAVE_WAYLAND
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if (auto seat = findSeat()) {
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seat->setTimestamp(time);
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seat->setPointerPos(pos);
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}
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#endif
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}
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void InputRedirection::processPointerButton(uint32_t button, InputRedirection::PointerButtonState state, uint32_t time)
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{
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m_pointerButtons[button] = state;
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emit pointerButtonStateChanged(button, state);
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QMouseEvent event(buttonStateToEvent(state), m_globalPointer.toPoint(), m_globalPointer.toPoint(),
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buttonToQtMouseButton(button), qtButtonStates(), keyboardModifiers());
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// check whether an effect has a mouse grab
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if (effects && static_cast<EffectsHandlerImpl*>(effects)->checkInputWindowEvent(&event)) {
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// an effect grabbed the pointer, we do not forward the event to surfaces
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return;
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}
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#if HAVE_XKB
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if (state == KWin::InputRedirection::PointerButtonPressed) {
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if (m_shortcuts->processPointerPressed(m_xkb->modifiers(), qtButtonStates())) {
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return;
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}
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}
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#endif
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// TODO: check which part of KWin would like to intercept the event
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#if HAVE_WAYLAND
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if (auto seat = findSeat()) {
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seat->setTimestamp(time);
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state == PointerButtonPressed ? seat->pointerButtonPressed(button) : seat->pointerButtonReleased(button);
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}
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#endif
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}
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void InputRedirection::processPointerAxis(InputRedirection::PointerAxis axis, qreal delta, uint32_t time)
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{
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if (delta == 0) {
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return;
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}
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emit pointerAxisChanged(axis, delta);
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#if HAVE_XKB
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if (m_xkb->modifiers() != Qt::NoModifier) {
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PointerAxisDirection direction = PointerAxisUp;
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if (axis == PointerAxisHorizontal) {
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if (delta > 0) {
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direction = PointerAxisUp;
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} else {
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direction = PointerAxisDown;
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}
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} else {
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if (delta > 0) {
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direction = PointerAxisLeft;
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} else {
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direction = PointerAxisRight;
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}
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}
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if (m_shortcuts->processAxis(m_xkb->modifiers(), direction)) {
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return;
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}
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}
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#endif
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// TODO: check which part of KWin would like to intercept the event
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// TODO: Axis support for effect redirection
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#if HAVE_WAYLAND
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if (auto seat = findSeat()) {
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seat->setTimestamp(time);
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seat->pointerAxis(axis == InputRedirection::PointerAxisHorizontal ? Qt::Horizontal : Qt::Vertical, delta);
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}
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#endif
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}
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|
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void InputRedirection::processKeyboardKey(uint32_t key, InputRedirection::KeyboardKeyState state, uint32_t time)
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{
|
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#if HAVE_XKB
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m_xkb->updateKey(key, state);
|
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// TODO: pass to internal parts of KWin
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#ifdef KWIN_BUILD_TABBOX
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if (TabBox::TabBox::self()->isGrabbed()) {
|
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if (state == KWin::InputRedirection::KeyboardKeyPressed) {
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TabBox::TabBox::self()->keyPress(m_xkb->modifiers() | m_xkb->toQtKey(m_xkb->toKeysym(key)));
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}
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return;
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}
|
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#endif
|
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if (effects && static_cast< EffectsHandlerImpl* >(effects)->hasKeyboardGrab()) {
|
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const xkb_keysym_t keysym = m_xkb->toKeysym(key);
|
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// TODO: start auto-repeat
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// TODO: add modifiers to the event
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const QEvent::Type type = (state == KeyboardKeyPressed) ? QEvent::KeyPress : QEvent::KeyRelease;
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QKeyEvent event(type, m_xkb->toQtKey(keysym), m_xkb->modifiers(), m_xkb->toString(keysym));
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static_cast< EffectsHandlerImpl* >(effects)->grabbedKeyboardEvent(&event);
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return;
|
|
}
|
|
if (Client *c = workspace()->getMovingClient()) {
|
|
// TODO: this does not yet fully support moving of the Client
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|
// cursor events change the cursor and on Wayland pointer warping is not possible
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c->keyPressEvent(m_xkb->toQtKey(m_xkb->toKeysym(key)));
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return;
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}
|
|
// process global shortcuts
|
|
if (state == KeyboardKeyPressed) {
|
|
if (m_shortcuts->processKey(m_xkb->modifiers(), m_xkb->toKeysym(key))) {
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return;
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}
|
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}
|
|
#endif
|
|
#if HAVE_WAYLAND
|
|
if (auto seat = findSeat()) {
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|
seat->setTimestamp(time);
|
|
// TODO: this needs better integration
|
|
// check unmanaged
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|
Toplevel *t = nullptr;
|
|
if (!workspace()->unmanagedList().isEmpty()) {
|
|
// TODO: better check whether this unmanaged should get the key event
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|
t = workspace()->unmanagedList().first();
|
|
}
|
|
if (!t) {
|
|
t = workspace()->activeClient();
|
|
}
|
|
if (t && t->surface()) {
|
|
if (t->surface() != seat->focusedKeyboardSurface()) {
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|
seat->setFocusedKeyboardSurface(t->surface());
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|
}
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|
state == InputRedirection::KeyboardKeyPressed ? seat->keyPressed(key) : seat->keyReleased(key);
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}
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}
|
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#endif
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}
|
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|
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void InputRedirection::processKeyboardModifiers(uint32_t modsDepressed, uint32_t modsLatched, uint32_t modsLocked, uint32_t group)
|
|
{
|
|
// TODO: send to proper Client and also send when active Client changes
|
|
#if HAVE_XKB
|
|
Qt::KeyboardModifiers oldMods = keyboardModifiers();
|
|
m_xkb->updateModifiers(modsDepressed, modsLatched, modsLocked, group);
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if (oldMods != keyboardModifiers()) {
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emit keyboardModifiersChanged(keyboardModifiers(), oldMods);
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}
|
|
#else
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|
Q_UNUSED(modsDepressed)
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Q_UNUSED(modsLatched)
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Q_UNUSED(modsLocked)
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Q_UNUSED(group)
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|
#endif
|
|
}
|
|
|
|
void InputRedirection::processKeymapChange(int fd, uint32_t size)
|
|
{
|
|
// TODO: should we pass the keymap to our Clients? Or only to the currently active one and update
|
|
#if HAVE_XKB
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|
m_xkb->installKeymap(fd, size);
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|
#else
|
|
Q_UNUSED(fd)
|
|
Q_UNUSED(size)
|
|
#endif
|
|
}
|
|
|
|
QEvent::Type InputRedirection::buttonStateToEvent(InputRedirection::PointerButtonState state)
|
|
{
|
|
switch (state) {
|
|
case KWin::InputRedirection::PointerButtonReleased:
|
|
return QEvent::MouseButtonRelease;
|
|
case KWin::InputRedirection::PointerButtonPressed:
|
|
return QEvent::MouseButtonPress;
|
|
}
|
|
return QEvent::None;
|
|
}
|
|
|
|
Qt::MouseButton InputRedirection::buttonToQtMouseButton(uint32_t button)
|
|
{
|
|
switch (button) {
|
|
case BTN_LEFT:
|
|
return Qt::LeftButton;
|
|
case BTN_MIDDLE:
|
|
return Qt::MiddleButton;
|
|
case BTN_RIGHT:
|
|
return Qt::RightButton;
|
|
case BTN_BACK:
|
|
return Qt::XButton1;
|
|
case BTN_FORWARD:
|
|
return Qt::XButton2;
|
|
}
|
|
return Qt::NoButton;
|
|
}
|
|
|
|
Qt::MouseButtons InputRedirection::qtButtonStates() const
|
|
{
|
|
Qt::MouseButtons buttons;
|
|
for (auto it = m_pointerButtons.constBegin(); it != m_pointerButtons.constEnd(); ++it) {
|
|
if (it.value() == KWin::InputRedirection::PointerButtonReleased) {
|
|
continue;
|
|
}
|
|
Qt::MouseButton button = buttonToQtMouseButton(it.key());
|
|
if (button != Qt::NoButton) {
|
|
buttons |= button;
|
|
}
|
|
}
|
|
return buttons;
|
|
}
|
|
|
|
Toplevel *InputRedirection::findToplevel(const QPoint &pos)
|
|
{
|
|
// TODO: check whether the unmanaged wants input events at all
|
|
const UnmanagedList &unmanaged = Workspace::self()->unmanagedList();
|
|
foreach (Unmanaged *u, unmanaged) {
|
|
if (u->geometry().contains(pos)) {
|
|
return u;
|
|
}
|
|
}
|
|
const ToplevelList &stacking = Workspace::self()->stackingOrder();
|
|
if (stacking.isEmpty()) {
|
|
return NULL;
|
|
}
|
|
auto it = stacking.end();
|
|
do {
|
|
--it;
|
|
Toplevel *t = (*it);
|
|
if (t->isDeleted()) {
|
|
// a deleted window doesn't get mouse events
|
|
continue;
|
|
}
|
|
if (t->isClient()) {
|
|
Client *c = static_cast<Client*>(t);
|
|
if (!c->isOnCurrentActivity() || !c->isOnCurrentDesktop() || c->isMinimized() || !c->isCurrentTab()) {
|
|
continue;
|
|
}
|
|
}
|
|
if (t->geometry().contains(pos)) {
|
|
return t;
|
|
}
|
|
} while (it != stacking.begin());
|
|
return NULL;
|
|
}
|
|
|
|
uint8_t InputRedirection::toXPointerButton(uint32_t button)
|
|
{
|
|
switch (button) {
|
|
case BTN_LEFT:
|
|
return XCB_BUTTON_INDEX_1;
|
|
case BTN_RIGHT:
|
|
return XCB_BUTTON_INDEX_3;
|
|
case BTN_MIDDLE:
|
|
return XCB_BUTTON_INDEX_2;
|
|
default:
|
|
// TODO: add more buttons
|
|
return XCB_BUTTON_INDEX_ANY;
|
|
}
|
|
}
|
|
|
|
uint8_t InputRedirection::toXPointerButton(InputRedirection::PointerAxis axis, qreal delta)
|
|
{
|
|
switch (axis) {
|
|
case PointerAxisVertical:
|
|
if (delta < 0) {
|
|
return 4;
|
|
} else {
|
|
return 5;
|
|
}
|
|
case PointerAxisHorizontal:
|
|
if (delta < 0) {
|
|
return 6;
|
|
} else {
|
|
return 7;
|
|
}
|
|
}
|
|
return XCB_BUTTON_INDEX_ANY;
|
|
}
|
|
|
|
Qt::KeyboardModifiers InputRedirection::keyboardModifiers() const
|
|
{
|
|
#if HAVE_XKB
|
|
return m_xkb->modifiers();
|
|
#else
|
|
return Qt::NoModifier;
|
|
#endif
|
|
}
|
|
|
|
void InputRedirection::registerShortcut(const QKeySequence &shortcut, QAction *action)
|
|
{
|
|
m_shortcuts->registerShortcut(action, shortcut);
|
|
registerShortcutForGlobalAccelTimestamp(action);
|
|
}
|
|
|
|
void InputRedirection::registerPointerShortcut(Qt::KeyboardModifiers modifiers, Qt::MouseButton pointerButtons, QAction *action)
|
|
{
|
|
m_shortcuts->registerPointerShortcut(action, modifiers, pointerButtons);
|
|
}
|
|
|
|
void InputRedirection::registerAxisShortcut(Qt::KeyboardModifiers modifiers, PointerAxisDirection axis, QAction *action)
|
|
{
|
|
m_shortcuts->registerAxisShortcut(action, modifiers, axis);
|
|
}
|
|
|
|
void InputRedirection::registerShortcutForGlobalAccelTimestamp(QAction *action)
|
|
{
|
|
connect(action, &QAction::triggered, kwinApp(), [action] {
|
|
QVariant timestamp = action->property("org.kde.kglobalaccel.activationTimestamp");
|
|
bool ok = false;
|
|
const quint32 t = timestamp.toULongLong(&ok);
|
|
if (ok) {
|
|
kwinApp()->setX11Time(t);
|
|
}
|
|
});
|
|
}
|
|
|
|
static bool screenContainsPos(const QPointF &pos)
|
|
{
|
|
for (int i = 0; i < screens()->count(); ++i) {
|
|
if (screens()->geometry(i).contains(pos.toPoint())) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void InputRedirection::updatePointerPosition(const QPointF &pos)
|
|
{
|
|
// verify that at least one screen contains the pointer position
|
|
if (!screenContainsPos(pos)) {
|
|
return;
|
|
}
|
|
m_globalPointer = pos;
|
|
emit globalPointerChanged(m_globalPointer);
|
|
}
|
|
|
|
void InputRedirection::updatePointerAfterScreenChange()
|
|
{
|
|
if (screenContainsPos(m_globalPointer)) {
|
|
// pointer still on a screen
|
|
return;
|
|
}
|
|
// pointer no longer on a screen, reposition to closes screen
|
|
m_globalPointer = screens()->geometry(screens()->number(m_globalPointer.toPoint())).center();
|
|
emit globalPointerChanged(m_globalPointer);
|
|
}
|
|
|
|
} // namespace
|