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