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102 lines
3.6 KiB
102 lines
3.6 KiB
9 years ago
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/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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*
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* LXDE-Qt - a lightweight, Qt based, desktop toolset
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* http://razor-qt.org
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*
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* Copyright: 2010-2011 Razor team
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* Authors:
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* Petr Vanek <petr@scribus.info>
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*
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* This program or library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* END_COMMON_COPYRIGHT_HEADER */
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#include <QToolButton>
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#include <QAction>
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#include <QX11Info>
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#include <lxqt-globalkeys.h>
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#include <XdgIcon>
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#include <LXQt/Notification>
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#include <KF5/KWindowSystem/KWindowSystem>
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#include <KF5/KWindowSystem/NETWM>
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#include "showdesktop.h"
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// Still needed for lxde/lxqt#338
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#define DEFAULT_SHORTCUT "Control+Alt+D"
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ShowDesktop::ShowDesktop(const ILxQtPanelPluginStartupInfo &startupInfo) :
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QObject(),
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ILxQtPanelPlugin(startupInfo)
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{
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m_key = GlobalKeyShortcut::Client::instance()->addAction(QString(), QString("/panel/%1/show_hide").arg(settings()->group()), tr("Show desktop"), this);
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if (m_key)
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{
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connect(m_key, SIGNAL(activated()), this, SLOT(toggleShowingDesktop()));
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if (m_key->shortcut().isEmpty())
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{
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m_key->changeShortcut(DEFAULT_SHORTCUT);
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if (m_key->shortcut().isEmpty())
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{
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LxQt::Notification::notify(tr("Show Desktop: Global shortcut '%1' cannot be registered").arg(DEFAULT_SHORTCUT));
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}
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}
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}
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QAction * act = new QAction(XdgIcon::fromTheme("user-desktop"), tr("Show Desktop"), this);
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connect(act, SIGNAL(triggered()), this, SLOT(toggleShowingDesktop()));
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mButton.setDefaultAction(act);
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mButton.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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}
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void ShowDesktop::toggleShowingDesktop()
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{
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// Paulo: KWindowSystem is not working for Openbox here, see lxde/lxqt#338
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// KWindowSystem fix: https://git.reviewboard.kde.org/r/121667
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// NETRootInfo info(QX11Info::connection(), NET::WMDesktop);
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// info.setShowingDesktop(!KWindowSystem::showingDesktop());
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const char *atomStr = "_NET_SHOWING_DESKTOP";
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xcb_intern_atom_cookie_t cookie = xcb_intern_atom(QX11Info::connection(), false, strlen(atomStr), atomStr);
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xcb_intern_atom_reply_t *reply = xcb_intern_atom_reply(QX11Info::connection(), cookie, 0);
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xcb_atom_t showing_desktop_atom = reply->atom;
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free(reply);
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uint32_t data[5] = {
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uint32_t(KWindowSystem::showingDesktop() ? 0 : 1), 0, 0, 0, 0
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};
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xcb_client_message_event_t event;
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event.response_type = XCB_CLIENT_MESSAGE;
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event.format = 32;
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event.sequence = 0;
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event.window = QX11Info::appRootWindow();
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event.type = showing_desktop_atom;
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for (int i = 0; i < 5; i++)
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event.data.data32[i] = data[i];
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xcb_send_event(QX11Info::connection(), false, QX11Info::appRootWindow(),
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(XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY),
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(const char *) &event);
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}
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#undef DEFAULT_SHORTCUT
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