src/dolphintabbar.cpp

   1 /***************************************************************************
   2  * Copyright (C) 2014 by Emmanuel Pescosta <emmanuelpescosta099@gmail.com> *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  18  ***************************************************************************/
  19
  20 #include "dolphintabbar.h"
  21
  22 #include <KLocalizedString>
  23
  24 #include <QDragEnterEvent>
  25 #include <QMenu>
  26 #include <QMimeData>
  27 #include <QTimer>
  28
  29 DolphinTabBar::DolphinTabBar(QWidget* parent) :
  30     QTabBar(parent),
  31     m_autoActivationIndex(-1),
  32     m_tabToBeClosedOnMiddleMouseButtonRelease(-1)
  33 {
  34     setAcceptDrops(true);
  35     setSelectionBehaviorOnRemove(QTabBar::SelectPreviousTab);
  36     setMovable(true);
  37     setTabsClosable(true);
  38
  39     m_autoActivationTimer = new QTimer(this);
  40     m_autoActivationTimer->setSingleShot(true);
  41     m_autoActivationTimer->setInterval(800);
  42     connect(m_autoActivationTimer, &QTimer::timeout,
  43             this, &DolphinTabBar::slotAutoActivationTimeout);
  44 }
  45
  46 void DolphinTabBar::dragEnterEvent(QDragEnterEvent* event)
  47 {
  48     const QMimeData* mimeData = event->mimeData();
  49     const int index = tabAt(event->pos());
  50
  51     if (mimeData->hasUrls()) {
  52         event->acceptProposedAction();
  53         updateAutoActivationTimer(index);
  54     }
  55
  56     QTabBar::dragEnterEvent(event);
  57 }
  58
  59 void DolphinTabBar::dragLeaveEvent(QDragLeaveEvent* event)
  60 {
  61     updateAutoActivationTimer(-1);
  62
  63     QTabBar::dragLeaveEvent(event);
  64 }
  65
  66 void DolphinTabBar::dragMoveEvent(QDragMoveEvent* event)
  67 {
  68     const QMimeData* mimeData = event->mimeData();
  69     const int index = tabAt(event->pos());
  70
  71     if (mimeData->hasUrls()) {
  72         updateAutoActivationTimer(index);
  73     }
  74
  75     QTabBar::dragMoveEvent(event);
  76 }
  77
  78 void DolphinTabBar::dropEvent(QDropEvent* event)
  79 {
  80     // Disable the auto activation timer
  81     updateAutoActivationTimer(-1);
  82
  83     const QMimeData* mimeData = event->mimeData();
  84     const int index = tabAt(event->pos());
  85
  86     if (index >= 0 && mimeData->hasUrls()) {
  87         emit tabDropEvent(index, event);
  88     }
  89
  90     QTabBar::dropEvent(event);
  91 }
  92
  93 void DolphinTabBar::mousePressEvent(QMouseEvent* event)
  94 {
  95     const int index = tabAt(event->pos());
  96
  97     if (index >= 0 && event->button() == Qt::MiddleButton) {
  98         m_tabToBeClosedOnMiddleMouseButtonRelease = index;
  99         return;
 100     }
 101
 102     QTabBar::mousePressEvent(event);
 103 }
 104
 105 void DolphinTabBar::mouseReleaseEvent(QMouseEvent *event)
 106 {
 107     const int index = tabAt(event->pos());
 108
 109     if (index >= 0 && index == m_tabToBeClosedOnMiddleMouseButtonRelease
 110         && event->button() == Qt::MiddleButton) {
 111         // Mouse middle click on a tab closes this tab.
 112         emit tabCloseRequested(index);
 113         return;
 114     }
 115
 116     QTabBar::mouseReleaseEvent(event);
 117 }
 118
 119 void DolphinTabBar::mouseDoubleClickEvent(QMouseEvent* event)
 120 {
 121     const int index = tabAt(event->pos());
 122
 123     if (index < 0) {
 124         // Double click on the empty tabbar area opens a new activated tab
 125         // with the url from the current tab.
 126         emit openNewActivatedTab(currentIndex());
 127         return;
 128     }
 129
 130     QTabBar::mouseDoubleClickEvent(event);
 131 }
 132
 133 void DolphinTabBar::contextMenuEvent(QContextMenuEvent* event)
 134 {
 135     const int index = tabAt(event->pos());
 136
 137     if (index >= 0) {
 138         // Tab context menu
 139         QMenu menu(this);
 140
 141         QAction* newTabAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-new")), i18nc("@action:inmenu", "New Tab"));
 142         QAction* detachTabAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-detach")), i18nc("@action:inmenu", "Detach Tab"));
 143         QAction* closeOtherTabsAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-close-other")), i18nc("@action:inmenu", "Close Other Tabs"));
 144         QAction* closeTabAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-close")), i18nc("@action:inmenu", "Close Tab"));
 145
 146         QAction* selectedAction = menu.exec(event->globalPos());
 147         if (selectedAction == newTabAction) {
 148             emit openNewActivatedTab(index);
 149         } else if (selectedAction == detachTabAction) {
 150             emit tabDetachRequested(index);
 151         } else if (selectedAction == closeOtherTabsAction) {
 152             const int tabCount = count();
 153             for (int i = 0; i < index; i++) {
 154                 emit tabCloseRequested(0);
 155             }
 156             for (int i = index + 1; i < tabCount; i++) {
 157                 emit tabCloseRequested(1);
 158             }
 159         } else if (selectedAction == closeTabAction) {
 160             emit tabCloseRequested(index);
 161         }
 162
 163         return;
 164     }
 165
 166     QTabBar::contextMenuEvent(event);
 167 }
 168
 169 void DolphinTabBar::slotAutoActivationTimeout()
 170 {
 171     if (m_autoActivationIndex >= 0) {
 172         setCurrentIndex(m_autoActivationIndex);
 173         updateAutoActivationTimer(-1);
 174     }
 175 }
 176
 177 void DolphinTabBar::updateAutoActivationTimer(const int index)
 178 {
 179     if (m_autoActivationIndex != index) {
 180         m_autoActivationIndex = index;
 181
 182         if (m_autoActivationIndex < 0) {
 183             m_autoActivationTimer->stop();
 184         } else {
 185             m_autoActivationTimer->start();
 186         }
 187     }
 188 }