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 <QTimer>
  23 #include <QDragEnterEvent>
  24 #include <KLocalizedString>
  25 #include <QMenu>
  26 #include <QIcon>
  27 #include <QUrl>
  28 #include <QMimeData>
  29
  30 DolphinTabBar::DolphinTabBar(QWidget* parent) :
  31     QTabBar(parent),
  32     m_autoActivationIndex(-1),
  33     m_tabToBeClosedOnMiddleMouseButtonRelease(-1)
  34 {
  35     setAcceptDrops(true);
  36     setSelectionBehaviorOnRemove(QTabBar::SelectPreviousTab);
  37     setMovable(true);
  38     setTabsClosable(true);
  39
  40     m_autoActivationTimer = new QTimer(this);
  41     m_autoActivationTimer->setSingleShot(true);
  42     m_autoActivationTimer->setInterval(800);
  43     connect(m_autoActivationTimer, &QTimer::timeout,
  44             this, &DolphinTabBar::slotAutoActivationTimeout);
  45 }
  46
  47 void DolphinTabBar::dragEnterEvent(QDragEnterEvent* event)
  48 {
  49     const QMimeData* mimeData = event->mimeData();
  50     const int index = tabAt(event->pos());
  51
  52     if (mimeData->hasUrls()) {
  53         event->acceptProposedAction();
  54         updateAutoActivationTimer(index);
  55     }
  56
  57     QTabBar::dragEnterEvent(event);
  58 }
  59
  60 void DolphinTabBar::dragLeaveEvent(QDragLeaveEvent* event)
  61 {
  62     updateAutoActivationTimer(-1);
  63
  64     QTabBar::dragLeaveEvent(event);
  65 }
  66
  67 void DolphinTabBar::dragMoveEvent(QDragMoveEvent* event)
  68 {
  69     const QMimeData* mimeData = event->mimeData();
  70     const int index = tabAt(event->pos());
  71
  72     if (mimeData->hasUrls()) {
  73         updateAutoActivationTimer(index);
  74     }
  75
  76     QTabBar::dragMoveEvent(event);
  77 }
  78
  79 void DolphinTabBar::dropEvent(QDropEvent* event)
  80 {
  81     // Disable the auto activation timer
  82     updateAutoActivationTimer(-1);
  83
  84     const QMimeData* mimeData = event->mimeData();
  85     const int index = tabAt(event->pos());
  86
  87     if (index >= 0 && mimeData->hasUrls()) {
  88         emit tabDropEvent(index, event);
  89     }
  90
  91     QTabBar::dropEvent(event);
  92 }
  93
  94 void DolphinTabBar::mousePressEvent(QMouseEvent* event)
  95 {
  96     const int index = tabAt(event->pos());
  97
  98     if (index >= 0 && event->button() == Qt::MiddleButton) {
  99         m_tabToBeClosedOnMiddleMouseButtonRelease = index;
 100         return;
 101     }
 102
 103     QTabBar::mousePressEvent(event);
 104 }
 105
 106 void DolphinTabBar::mouseReleaseEvent(QMouseEvent *event)
 107 {
 108     const int index = tabAt(event->pos());
 109
 110     if (index >= 0 && index == m_tabToBeClosedOnMiddleMouseButtonRelease
 111         && event->button() == Qt::MiddleButton) {
 112         // Mouse middle click on a tab closes this tab.
 113         emit tabCloseRequested(index);
 114         return;
 115     }
 116
 117     QTabBar::mouseReleaseEvent(event);
 118 }
 119
 120 void DolphinTabBar::mouseDoubleClickEvent(QMouseEvent* event)
 121 {
 122     const int index = tabAt(event->pos());
 123
 124     if (index < 0) {
 125         // Double click on the empty tabbar area opens a new activated tab
 126         // with the url from the current tab.
 127         emit openNewActivatedTab(currentIndex());
 128         return;
 129     }
 130
 131     QTabBar::mouseDoubleClickEvent(event);
 132 }
 133
 134 void DolphinTabBar::contextMenuEvent(QContextMenuEvent* event)
 135 {
 136     const int index = tabAt(event->pos());
 137
 138     if (index >= 0) {
 139         // Tab context menu
 140         QMenu menu(this);
 141
 142         QAction* newTabAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-new")), i18nc("@action:inmenu", "New Tab"));
 143         QAction* detachTabAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-detach")), i18nc("@action:inmenu", "Detach Tab"));
 144         QAction* closeOtherTabsAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-close-other")), i18nc("@action:inmenu", "Close Other Tabs"));
 145         QAction* closeTabAction = menu.addAction(QIcon::fromTheme(QStringLiteral("tab-close")), i18nc("@action:inmenu", "Close Tab"));
 146
 147         QAction* selectedAction = menu.exec(event->globalPos());
 148         if (selectedAction == newTabAction) {
 149             emit openNewActivatedTab(index);
 150         } else if (selectedAction == detachTabAction) {
 151             emit tabDetachRequested(index);
 152         } else if (selectedAction == closeOtherTabsAction) {
 153             const int tabCount = count();
 154             for (int i = 0; i < index; i++) {
 155                 emit tabCloseRequested(0);
 156             }
 157             for (int i = index + 1; i < tabCount; i++) {
 158                 emit tabCloseRequested(1);
 159             }
 160         } else if (selectedAction == closeTabAction) {
 161             emit tabCloseRequested(index);
 162         }
 163
 164         return;
 165     }
 166
 167     QTabBar::contextMenuEvent(event);
 168 }
 169
 170 void DolphinTabBar::slotAutoActivationTimeout()
 171 {
 172     if (m_autoActivationIndex >= 0) {
 173         setCurrentIndex(m_autoActivationIndex);
 174         updateAutoActivationTimer(-1);
 175     }
 176 }
 177
 178 void DolphinTabBar::updateAutoActivationTimer(const int index)
 179 {
 180     if (m_autoActivationIndex != index) {
 181         m_autoActivationIndex = index;
 182
 183         if (m_autoActivationIndex < 0) {
 184             m_autoActivationTimer->stop();
 185         } else {
 186             m_autoActivationTimer->start();
 187         }
 188     }
 189 }