1 /* 2 * Copyright (C) 2014, 2015 Nicolas Bonnefon and other contributors 3 * 4 * This file is part of glogg. 5 * 6 * glogg is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * glogg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with glogg. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #include "tabbedcrawlerwidget.h" 21 22 #include <QKeyEvent> 23 #include <QLabel> 24 25 #include "crawlerwidget.h" 26 27 #include "log.h" 28 29 TabbedCrawlerWidget::TabbedCrawlerWidget() : QTabWidget(), 30 olddata_icon_( ":/images/olddata_icon.png" ), 31 newdata_icon_( ":/images/newdata_icon.png" ), 32 newfiltered_icon_( ":/images/newfiltered_icon.png" ), 33 myTabBar_() 34 { 35 #ifdef WIN32 36 myTabBar_.setStyleSheet( "QTabBar::tab {\ 37 height: 20px; " 38 "} " 39 "QTabBar::close-button {\ 40 height: 6px; width: 6px;\ 41 subcontrol-origin: padding;\ 42 subcontrol-position: left;\ 43 }" ); 44 #else 45 // On GTK style, it looks better with a smaller font 46 myTabBar_.setStyleSheet( 47 "QTabBar::tab {" 48 " height: 20px; " 49 " font-size: 9pt; " 50 "} " 51 "QTabBar::close-button {\ 52 height: 6px; width: 6px;\ 53 subcontrol-origin: padding;\ 54 subcontrol-position: left;\ 55 }" ); 56 #endif 57 setTabBar( &myTabBar_ ); 58 myTabBar_.hide(); 59 60 } 61 62 // I know hiding non-virtual functions from the base class is bad form 63 // and I do it here out of pure laziness: I don't want to encapsulate 64 // QTabBar with all signals and all just to implement this very simple logic. 65 // Maybe one day that should be done better... 66 67 int TabbedCrawlerWidget::addTab( QWidget* page, const QString& label ) 68 { 69 int index = QTabWidget::addTab( page, label ); 70 71 if ( auto crawler = dynamic_cast<CrawlerWidget*>( page ) ) { 72 // Mmmmhhhh... new Qt5 signal syntax create tight coupling between 73 // us and the sender, baaaaad.... 74 75 // Listen for a changing data status: 76 connect( crawler, &CrawlerWidget::dataStatusChanged, 77 [ this, index ]( DataStatus status ) { setTabDataStatus( index, status ); } ); 78 } 79 80 // Display the icon 81 QLabel* icon_label = new QLabel(); 82 icon_label->setPixmap( olddata_icon_.pixmap( 11, 12 ) ); 83 icon_label->setAlignment( Qt::AlignCenter ); 84 myTabBar_.setTabButton( index, QTabBar::RightSide, icon_label ); 85 86 LOG(logDEBUG) << "addTab, count = " << count(); 87 LOG(logDEBUG) << "width = " << olddata_icon_.pixmap( 11, 12 ).devicePixelRatio(); 88 89 if ( count() > 1 ) 90 myTabBar_.show(); 91 92 return index; 93 } 94 95 void TabbedCrawlerWidget::removeTab( int index ) 96 { 97 QTabWidget::removeTab( index ); 98 99 if ( count() <= 1 ) 100 myTabBar_.hide(); 101 } 102 103 void TabbedCrawlerWidget::mouseReleaseEvent( QMouseEvent *event) 104 { 105 LOG(logDEBUG) << "TabbedCrawlerWidget::mouseReleaseEvent"; 106 107 if (event->button() == Qt::MidButton) 108 { 109 int tab = this->myTabBar_.tabAt( event->pos() ); 110 if (-1 != tab) 111 { 112 emit tabCloseRequested( tab ); 113 } 114 } 115 } 116 117 void TabbedCrawlerWidget::keyPressEvent( QKeyEvent* event ) 118 { 119 LOG(logDEBUG) << "TabbedCrawlerWidget::keyPressEvent"; 120 121 char c = ( event->text() )[0].toLatin1(); 122 Qt::KeyboardModifiers mod = event->modifiers(); 123 124 // Ctrl + tab 125 if ( mod == Qt::ControlModifier && c == '\t' ) { 126 setCurrentIndex( ( currentIndex() + 1 ) % count() ); 127 } 128 // Ctrl + shift + tab 129 else if ( mod == ( Qt::ControlModifier | Qt::ShiftModifier ) && c == '\t' ) { 130 setCurrentIndex( ( currentIndex() + 1 ) % count() ); 131 } 132 // Ctrl + numbers 133 else if ( mod == Qt::ControlModifier && ( c >= '1' && c <= '8' ) ) { 134 LOG(logDEBUG) << "number " << c; 135 int new_index = c - '0'; 136 if ( new_index <= count() ) 137 setCurrentIndex( new_index - 1 ); 138 } 139 // Ctrl + 9 140 else if ( mod == Qt::ControlModifier && c == '9' ) { 141 LOG(logDEBUG) << "last"; 142 setCurrentIndex( count() - 1 ); 143 } 144 else if ( mod == Qt::ControlModifier && (c == 'q' || c == 'w') ) { 145 LOG(logDEBUG) << "Close tab " << currentIndex(); 146 emit tabCloseRequested( currentIndex() ); 147 } 148 else { 149 QTabWidget::keyPressEvent( event ); 150 } 151 } 152 153 void TabbedCrawlerWidget::setTabDataStatus( int index, DataStatus status ) 154 { 155 LOG(logDEBUG) << "TabbedCrawlerWidget::setTabDataStatus " << index; 156 157 QLabel* icon_label = dynamic_cast<QLabel*>( 158 myTabBar_.tabButton( index, QTabBar::RightSide ) ); 159 160 if ( icon_label ) { 161 const QIcon* icon; 162 switch ( status ) { 163 case DataStatus::OLD_DATA: 164 icon = &olddata_icon_; 165 break; 166 case DataStatus::NEW_DATA: 167 icon = &newdata_icon_; 168 break; 169 case DataStatus::NEW_FILTERED_DATA: 170 icon = &newfiltered_icon_; 171 break; 172 } 173 icon_label->setPixmap ( icon->pixmap(12,12) ); 174 } 175 } 176
