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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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* http://lxqt.org
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*
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* Copyright: 2011 Razor team
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* 2014 LXQt team
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* Authors:
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* Alexander Sokoloff <sokoloff.a@gmail.com>
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* Maciej Płaza <plaza.maciej@gmail.com>
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* Kuzma Shapran <kuzma.shapran@gmail.com>
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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 <QApplication>
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#include <QDebug>
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#include <QToolButton>
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#include <QSettings>
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#include <QList>
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#include <QMimeData>
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#include <QWheelEvent>
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#include <QFlag>
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#include <QX11Info>
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#include <QDebug>
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#include <QTimer>
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#include <LXQt/GridLayout>
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#include <XdgIcon>
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#include "lxqttaskbar.h"
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#include "lxqttaskgroup.h"
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using namespace LXQt;
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/************************************************
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************************************************/
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LXQtTaskBar::LXQtTaskBar(ILXQtPanelPlugin *plugin, QWidget *parent) :
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QFrame(parent),
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mButtonStyle(Qt::ToolButtonTextBesideIcon),
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mCloseOnMiddleClick(true),
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mRaiseOnCurrentDesktop(true),
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mShowOnlyOneDesktopTasks(false),
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mShowDesktopNum(0),
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mShowOnlyCurrentScreenTasks(false),
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mShowOnlyMinimizedTasks(false),
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mAutoRotate(true),
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mShowGroupOnHover(true),
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mPlugin(plugin),
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mPlaceHolder(new QWidget(this)),
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mStyle(new LeftAlignedTextStyle())
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{
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setStyle(mStyle);
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mLayout = new LXQt::GridLayout(this);
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setLayout(mLayout);
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mLayout->setMargin(0);
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mLayout->setStretch(LXQt::GridLayout::StretchHorizontal | LXQt::GridLayout::StretchVertical);
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realign();
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mPlaceHolder->setMinimumSize(1, 1);
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mPlaceHolder->setMaximumSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
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mPlaceHolder->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding));
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mLayout->addWidget(mPlaceHolder);
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QTimer::singleShot(0, this, SLOT(settingsChanged()));
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setAcceptDrops(true);
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connect(KWindowSystem::self(), SIGNAL(stackingOrderChanged()), SLOT(refreshTaskList()));
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connect(KWindowSystem::self(), static_cast<void (KWindowSystem::*)(WId, NET::Properties, NET::Properties2)>(&KWindowSystem::windowChanged)
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, this, &LXQtTaskBar::onWindowChanged);
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}
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/************************************************
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************************************************/
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LXQtTaskBar::~LXQtTaskBar()
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{
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delete mStyle;
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}
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/************************************************
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************************************************/
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bool LXQtTaskBar::acceptWindow(WId window) const
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{
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QFlags<NET::WindowTypeMask> ignoreList;
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ignoreList |= NET::DesktopMask;
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ignoreList |= NET::DockMask;
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ignoreList |= NET::SplashMask;
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ignoreList |= NET::ToolbarMask;
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ignoreList |= NET::MenuMask;
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ignoreList |= NET::PopupMenuMask;
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ignoreList |= NET::NotificationMask;
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KWindowInfo info(window, NET::WMWindowType | NET::WMState, NET::WM2TransientFor);
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if (!info.valid())
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return false;
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if (NET::typeMatchesMask(info.windowType(NET::AllTypesMask), ignoreList))
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return false;
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if (info.state() & NET::SkipTaskbar)
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return false;
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// WM_TRANSIENT_FOR hint not set - normal window
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WId transFor = info.transientFor();
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if (transFor == 0 || transFor == window || transFor == (WId) QX11Info::appRootWindow())
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return true;
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info = KWindowInfo(transFor, NET::WMWindowType);
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QFlags<NET::WindowTypeMask> normalFlag;
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normalFlag |= NET::NormalMask;
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normalFlag |= NET::DialogMask;
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normalFlag |= NET::UtilityMask;
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return !NET::typeMatchesMask(info.windowType(NET::AllTypesMask), normalFlag);
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::dragEnterEvent(QDragEnterEvent* event)
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{
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if (event->mimeData()->hasFormat(LXQtTaskGroup::mimeDataFormat()))
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event->acceptProposedAction();
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else
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event->ignore();
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QWidget::dragEnterEvent(event);
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::dropEvent(QDropEvent* event)
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{
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if (!event->mimeData()->hasFormat(LXQtTaskGroup::mimeDataFormat()))
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{
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event->ignore();
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return;
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}
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QString data;
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QDataStream stream(event->mimeData()->data(LXQtTaskGroup::mimeDataFormat()));
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stream >> data;
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LXQtTaskGroup *group = mGroupsHash.value(data, NULL);
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if (!group)
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{
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qDebug() << "Dropped invalid";
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return;
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}
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int droppedIndex = mLayout->indexOf(group);
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int newPos = -1;
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const int size = mLayout->count();
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if (mPlugin->panel()->isHorizontal())
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{
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for (int i = 0; i < droppedIndex && newPos == -1; i++)
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if (mLayout->itemAt(i)->widget()->x() + mLayout->itemAt(i)->widget()->width() / 2 > event->pos().x())
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newPos = i;
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for (int i = size - 1; i > droppedIndex && newPos == -1; i--)
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if (mLayout->itemAt(i)->widget()->x() + mLayout->itemAt(i)->widget()->width() / 2 < event->pos().x())
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newPos = i;
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}
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else
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{
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for (int i = 0; i < droppedIndex && newPos == -1; i++)
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if (mLayout->itemAt(i)->widget()->y() + mLayout->itemAt(i)->widget()->height() / 2 > event->pos().y())
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newPos = i;
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for (int i = size - 1; i > droppedIndex && newPos == -1; i--)
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if (mLayout->itemAt(i)->widget()->y() + mLayout->itemAt(i)->widget()->height() / 2 < event->pos().y())
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newPos = i;
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}
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if (newPos == -1 || droppedIndex == newPos)
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return;
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mLayout->moveItem(droppedIndex, newPos);
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mLayout->invalidate();
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QWidget::dropEvent(event);
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::groupBecomeEmptySlot()
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{
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//group now contains no buttons - clean up in hash and delete the group
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LXQtTaskGroup *group = qobject_cast<LXQtTaskGroup*>(sender());
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Q_ASSERT(group);
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mGroupsHash.erase(mGroupsHash.find(group->groupName()));
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group->deleteLater();
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::addWindow(WId window, QString const & groupId)
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{
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LXQtTaskGroup *group = mGroupsHash.value(groupId);
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if (!group)
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{
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group = new LXQtTaskGroup(groupId, KWindowSystem::icon(window), mPlugin, this);
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connect(group, SIGNAL(groupBecomeEmpty(QString)), this, SLOT(groupBecomeEmptySlot()));
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connect(group, SIGNAL(visibilityChanged(bool)), this, SLOT(refreshPlaceholderVisibility()));
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connect(group, &LXQtTaskGroup::popupShown, this, &LXQtTaskBar::groupPopupShown);
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connect(group, SIGNAL(windowDisowned(WId)), this, SLOT(refreshTaskList()));
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mLayout->addWidget(group);
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mGroupsHash.insert(groupId, group);
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group->setToolButtonsStyle(mButtonStyle);
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}
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group->addWindow(window);
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::refreshTaskList()
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{
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// Just add new windows to groups, deleting is up to the groups
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QList<WId> tmp = KWindowSystem::stackingOrder();
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Q_FOREACH (WId wnd, tmp)
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{
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if (acceptWindow(wnd))
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{
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// If grouping disabled group behaves like regular button
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QString id = mGroupingEnabled ? KWindowInfo(wnd, 0, NET::WM2WindowClass).windowClassClass() : QString("%1").arg(wnd);
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addWindow(wnd, id);
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}
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}
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refreshPlaceholderVisibility();
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::onWindowChanged(WId window, NET::Properties prop, NET::Properties2 prop2)
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{
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// If grouping disabled group behaves like regular button
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QString id = mGroupingEnabled ? KWindowInfo(window, 0, NET::WM2WindowClass).windowClassClass() : QString("%1").arg(window);
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LXQtTaskGroup *group = mGroupsHash.value(id);
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bool consumed{false};
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if (nullptr != group)
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{
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consumed = group->onWindowChanged(window, prop, prop2);
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}
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if (!consumed && acceptWindow(window))
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addWindow(window, id);
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::refreshButtonRotation()
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{
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bool autoRotate = mAutoRotate && (mButtonStyle != Qt::ToolButtonIconOnly);
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ILXQtPanel::Position panelPosition = mPlugin->panel()->position();
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QHashIterator<QString,LXQtTaskGroup*> j(mGroupsHash);
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while(j.hasNext())
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{
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j.next();
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j.value()->setAutoRotation(autoRotate,panelPosition);
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}
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::refreshPlaceholderVisibility()
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{
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// if no visible group button show placeholder widget
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bool haveVisibleWindow = false;
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QHashIterator<QString, LXQtTaskGroup*> j(mGroupsHash);
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while (j.hasNext())
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{
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j.next();
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if (j.value()->isVisible())
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haveVisibleWindow = true;
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}
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mPlaceHolder->setVisible(!haveVisibleWindow);
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if (haveVisibleWindow)
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mPlaceHolder->setFixedSize(0, 0);
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else
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{
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mPlaceHolder->setMinimumSize(1, 1);
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mPlaceHolder->setMaximumSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
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}
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::refreshIconGeometry()
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{
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QHashIterator<QString, LXQtTaskGroup*> i(mGroupsHash);
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while (i.hasNext())
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{
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i.next();
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i.value()->refreshIconsGeometry();
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}
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::setButtonStyle(Qt::ToolButtonStyle buttonStyle)
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{
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mButtonStyle = buttonStyle;
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QHashIterator<QString, LXQtTaskGroup*> i(mGroupsHash);
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while (i.hasNext())
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{
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i.next();
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i.value()->setToolButtonsStyle(buttonStyle);
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}
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}
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/************************************************
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************************************************/
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void LXQtTaskBar::settingsChanged()
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{
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bool groupingEnabledOld = mGroupingEnabled;
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bool showOnlyOneDesktopTasksOld = mShowOnlyOneDesktopTasks;
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const int showDesktopNumOld = mShowDesktopNum;
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bool showOnlyCurrentScreenTasksOld = mShowOnlyCurrentScreenTasks;
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bool showOnlyMinimizedTasksOld = mShowOnlyMinimizedTasks;
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mButtonWidth = mPlugin->settings()->value("buttonWidth", 400).toInt();
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mButtonHeight = mPlugin->settings()->value("buttonHeight", 100).toInt();
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QString s = mPlugin->settings()->value("buttonStyle").toString().toUpper();
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if (s == "ICON")
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setButtonStyle(Qt::ToolButtonIconOnly);
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else if (s == "TEXT")
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setButtonStyle(Qt::ToolButtonTextOnly);
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else
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setButtonStyle(Qt::ToolButtonTextBesideIcon);
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mShowOnlyOneDesktopTasks = mPlugin->settings()->value("showOnlyOneDesktopTasks", mShowOnlyOneDesktopTasks).toBool();
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mShowDesktopNum = mPlugin->settings()->value("showDesktopNum", mShowDesktopNum).toInt();
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mShowOnlyCurrentScreenTasks = mPlugin->settings()->value("showOnlyCurrentScreenTasks", mShowOnlyCurrentScreenTasks).toBool();
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mShowOnlyMinimizedTasks = mPlugin->settings()->value("showOnlyMinimizedTasks", mShowOnlyMinimizedTasks).toBool();
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mAutoRotate = mPlugin->settings()->value("autoRotate", true).toBool();
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mCloseOnMiddleClick = mPlugin->settings()->value("closeOnMiddleClick", true).toBool();
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mRaiseOnCurrentDesktop = mPlugin->settings()->value("raiseOnCurrentDesktop", false).toBool();
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|
mGroupingEnabled = mPlugin->settings()->value("groupingEnabled",true).toBool();
|
|
|
|
mShowGroupOnHover = mPlugin->settings()->value("showGroupOnHover",true).toBool();
|
|
|
|
|
|
|
|
// Delete all groups if grouping feature toggled and start over
|
|
|
|
if (groupingEnabledOld != mGroupingEnabled)
|
|
|
|
{
|
|
|
|
Q_FOREACH (LXQtTaskGroup *group, mGroupsHash.values())
|
|
|
|
{
|
|
|
|
mLayout->removeWidget(group);
|
|
|
|
group->deleteLater();
|
|
|
|
}
|
|
|
|
mGroupsHash.clear();
|
|
|
|
}
|
|
|
|
|
|
|
|
if (showOnlyOneDesktopTasksOld != mShowOnlyOneDesktopTasks
|
|
|
|
|| (mShowOnlyOneDesktopTasks && showDesktopNumOld != mShowDesktopNum)
|
|
|
|
|| showOnlyCurrentScreenTasksOld != mShowOnlyCurrentScreenTasks
|
|
|
|
|| showOnlyMinimizedTasksOld != mShowOnlyMinimizedTasks
|
|
|
|
)
|
|
|
|
Q_FOREACH (LXQtTaskGroup *group, mGroupsHash)
|
|
|
|
group->showOnlySettingChanged();
|
|
|
|
|
|
|
|
refreshTaskList();
|
|
|
|
}
|
|
|
|
|
|
|
|
/************************************************
|
|
|
|
|
|
|
|
************************************************/
|
|
|
|
void LXQtTaskBar::realign()
|
|
|
|
{
|
|
|
|
mLayout->setEnabled(false);
|
|
|
|
refreshButtonRotation();
|
|
|
|
|
|
|
|
ILXQtPanel *panel = mPlugin->panel();
|
|
|
|
QSize maxSize = QSize(mButtonWidth, mButtonHeight);
|
|
|
|
QSize minSize = QSize(0, 0);
|
|
|
|
|
|
|
|
bool rotated = false;
|
|
|
|
|
|
|
|
if (panel->isHorizontal())
|
|
|
|
{
|
|
|
|
mLayout->setRowCount(panel->lineCount());
|
|
|
|
mLayout->setColumnCount(0);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
mLayout->setRowCount(0);
|
|
|
|
|
|
|
|
if (mButtonStyle == Qt::ToolButtonIconOnly)
|
|
|
|
{
|
|
|
|
// Vertical + Icons
|
|
|
|
mLayout->setColumnCount(panel->lineCount());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
rotated = mAutoRotate && (panel->position() == ILXQtPanel::PositionLeft || panel->position() == ILXQtPanel::PositionRight);
|
|
|
|
|
|
|
|
// Vertical + Text
|
|
|
|
if (rotated)
|
|
|
|
{
|
|
|
|
maxSize.rwidth() = mButtonHeight;
|
|
|
|
maxSize.rheight() = mButtonWidth;
|
|
|
|
|
|
|
|
mLayout->setColumnCount(panel->lineCount());
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
mLayout->setColumnCount(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
mLayout->setCellMinimumSize(minSize);
|
|
|
|
mLayout->setCellMaximumSize(maxSize);
|
|
|
|
mLayout->setDirection(rotated ? LXQt::GridLayout::TopToBottom : LXQt::GridLayout::LeftToRight);
|
|
|
|
mLayout->setEnabled(true);
|
|
|
|
|
|
|
|
//our placement on screen could have been changed
|
|
|
|
Q_FOREACH (LXQtTaskGroup *group, mGroupsHash)
|
|
|
|
group->showOnlySettingChanged();
|
|
|
|
refreshIconGeometry();
|
|
|
|
}
|
|
|
|
|
|
|
|
/************************************************
|
|
|
|
|
|
|
|
************************************************/
|
|
|
|
void LXQtTaskBar::wheelEvent(QWheelEvent* event)
|
|
|
|
{
|
|
|
|
static int threshold = 0;
|
|
|
|
threshold += abs(event->delta());
|
|
|
|
if (threshold < 300)
|
|
|
|
return;
|
|
|
|
else
|
|
|
|
threshold = 0;
|
|
|
|
|
|
|
|
int delta = event->delta() < 0 ? 1 : -1;
|
|
|
|
|
|
|
|
// create temporary list of visible groups in the same order like on the layout
|
|
|
|
QList<LXQtTaskGroup*> list;
|
|
|
|
LXQtTaskGroup *group = NULL;
|
|
|
|
for (int i = 0; i < mLayout->count(); i++)
|
|
|
|
{
|
|
|
|
QWidget * o = mLayout->itemAt(i)->widget();
|
|
|
|
LXQtTaskGroup * g = qobject_cast<LXQtTaskGroup *>(o);
|
|
|
|
if (!g)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (g->isVisible())
|
|
|
|
list.append(g);
|
|
|
|
if (g->isChecked())
|
|
|
|
group = g;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (list.isEmpty())
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (!group)
|
|
|
|
group = list.at(0);
|
|
|
|
|
|
|
|
LXQtTaskButton *button = NULL;
|
|
|
|
|
|
|
|
// switching between groups from temporary list in modulo addressing
|
|
|
|
while (!button)
|
|
|
|
{
|
|
|
|
button = group->getNextPrevChildButton(delta == 1, !(list.count() - 1));
|
|
|
|
if (button)
|
|
|
|
button->raiseApplication();
|
|
|
|
int idx = (list.indexOf(group) + delta + list.count()) % list.count();
|
|
|
|
group = list.at(idx);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/************************************************
|
|
|
|
|
|
|
|
************************************************/
|
|
|
|
void LXQtTaskBar::resizeEvent(QResizeEvent* event)
|
|
|
|
{
|
|
|
|
refreshIconGeometry();
|
|
|
|
return QWidget::resizeEvent(event);
|
|
|
|
}
|
|
|
|
|
|
|
|
/************************************************
|
|
|
|
|
|
|
|
************************************************/
|
|
|
|
void LXQtTaskBar::changeEvent(QEvent* event)
|
|
|
|
{
|
|
|
|
// if current style is changed, reset the base style of the proxy style
|
|
|
|
// so we can apply the new style correctly to task buttons.
|
|
|
|
if(event->type() == QEvent::StyleChange)
|
|
|
|
mStyle->setBaseStyle(NULL);
|
|
|
|
|
|
|
|
QFrame::changeEvent(event);
|
|
|
|
}
|
|
|
|
|
|
|
|
void LXQtTaskBar::groupPopupShown(LXQtTaskGroup * const sender)
|
|
|
|
{
|
|
|
|
//close all popups (should they be visible because of close delay)
|
|
|
|
for (auto group : mGroupsHash)
|
|
|
|
{
|
|
|
|
if (group->isVisible() && sender != group)
|
|
|
|
group->setPopupVisible(false, true/*fast*/);
|
|
|
|
}
|
|
|
|
}
|