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mirror of https://invent.kde.org/network/falkon.git synced 2024-11-11 17:42:10 +01:00
falkonOfficial/src/lib/3rdparty/squeezelabelv2.cpp
2017-08-25 17:55:52 +02:00

119 lines
3.2 KiB
C++

/* ============================================================
* 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, SLOT(copy()));
act->setShortcut(QKeySequence("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->pos();
}
QLabel::mousePressEvent(event);
}
void SqueezeLabelV2::mouseMoveEvent(QMouseEvent* event)
{
if (!(event->buttons() & Qt::LeftButton) || selectedText().length() != text().length()) {
QLabel::mouseMoveEvent(event);
return;
}
int manhattanLength = (event->pos() - m_dragStart).manhattanLength();
if (manhattanLength <= QApplication::startDragDistance()) {
return;
}
QDrag* drag = new QDrag(this);
QMimeData* mime = new QMimeData;
mime->setText(m_originalText);
drag->setMimeData(mime);
drag->exec();
}