File indexing completed on 2024-05-12 04:57:49

 /* ============================================================
 * Falkon - Qt web browser
 * Copyright (C) 2010-2014  David Rosca <nowrep@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * ============================================================ */
 #include "squeezelabelv2.h"
 
 #include <QApplication>
 #include <QClipboard>
 #include <QKeyEvent>
 #include <QMimeData>
 #include <QDrag>
 #include <QMenu>
 
 SqueezeLabelV2::SqueezeLabelV2(QWidget* parent)
     : QLabel(parent)
 {
 }
 
 SqueezeLabelV2::SqueezeLabelV2(const QString &string)
     : QLabel()
 {
     setText(string);
 }
 
 void SqueezeLabelV2::setText(const QString &txt)
 {
     m_originalText = txt;
     QFontMetrics fm = fontMetrics();
     QString elided = fm.elidedText(m_originalText, Qt::ElideMiddle, width());
     QLabel::setText(elided);
 }
 
 void SqueezeLabelV2::copy()
 {
     if (selectedText().length() == text().length()) {
         QApplication::clipboard()->setText(m_originalText);
     }
     else {
         QApplication::clipboard()->setText(selectedText());
     }
 }
 
 void SqueezeLabelV2::contextMenuEvent(QContextMenuEvent* event)
 {
     if (!(textInteractionFlags() & Qt::TextSelectableByMouse) && !(textInteractionFlags() & Qt::TextSelectableByKeyboard)) {
         event->ignore();
         return;
     }
 
     QMenu menu;
     QAction* act = menu.addAction(tr("Copy"), this, &SqueezeLabelV2::copy);
     act->setShortcut(QKeySequence(QSL("Ctrl+C")));
     act->setEnabled(hasSelectedText());
 
     menu.exec(event->globalPos());
 }
 
 void SqueezeLabelV2::keyPressEvent(QKeyEvent* event)
 {
     if (event->key() == Qt::Key_C && event->modifiers() == Qt::ControlModifier) {
         copy();
     }
 }
 
 QString SqueezeLabelV2::originalText()
 {
     return m_originalText;
 }
 
 void SqueezeLabelV2::resizeEvent(QResizeEvent* event)
 {
     QLabel::resizeEvent(event);
     QFontMetrics fm = fontMetrics();
     QString elided = fm.elidedText(m_originalText, Qt::ElideMiddle, width());
     QLabel::setText(elided);
 }
 
 void SqueezeLabelV2::mousePressEvent(QMouseEvent* event)
 {
     if (event->buttons() & Qt::LeftButton) {
         m_dragStart = event->position().toPoint();
     }
 
     QLabel::mousePressEvent(event);
 }
 
 void SqueezeLabelV2::mouseMoveEvent(QMouseEvent* event)
 {
     if (!(event->buttons() & Qt::LeftButton) || selectedText().length() != text().length()) {
         QLabel::mouseMoveEvent(event);
         return;
     }
 
     int manhattanLength = (event->position().toPoint() - m_dragStart).manhattanLength();
     if (manhattanLength <= QApplication::startDragDistance()) {
         return;
     }
 
     auto* drag = new QDrag(this);
     auto* mime = new QMimeData;
     mime->setText(m_originalText);
 
     drag->setMimeData(mime);
     drag->exec();
 }