Mercurial > hg > easyhg
view src/squeezedlabel.cpp @ 724:c59c17665162
Further macOS deployment fixes
author | Chris Cannam <cannam@all-day-breakfast.com> |
---|---|
date | Fri, 14 Dec 2018 17:28:31 +0000 |
parents | ae67ea0af696 |
children |
line wrap: on
line source
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* EasyMercurial Based on HgExplorer by Jari Korhonen Copyright (c) 2010 Jari Korhonen Copyright (c) 2013 Chris Cannam Copyright (c) 2013 Queen Mary, University of London 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 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ /* This file adapted from Rosegarden, a sequencer and musical notation editor. Copyright 2000-2012 the Rosegarden development team. Adapted from KDE 4.2.0, this code originally Copyright (c) 2000 Ronny Standtke. */ #include "squeezedlabel.h" #include <iostream> #include <QContextMenuEvent> #include <QAction> #include <QMenu> #include <QClipboard> #include <QApplication> #include <QMimeData> #include <QDesktopWidget> class SqueezedLabelPrivate { public: }; void SqueezedLabel::_k_copyFullText() { QMimeData* data = new QMimeData; data->setText(fullText); QApplication::clipboard()->setMimeData(data); } SqueezedLabel::SqueezedLabel(const QString &text , QWidget *parent) : QLabel (parent) { setObjectName("SQUEEZED"); setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed)); fullText = text; elideMode = Qt::ElideMiddle; squeezeTextToLabel(); } SqueezedLabel::SqueezedLabel(QWidget *parent) : QLabel (parent) { setObjectName("SQUEEZED"); setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed)); elideMode = Qt::ElideMiddle; } SqueezedLabel::~SqueezedLabel() { } void SqueezedLabel::resizeEvent(QResizeEvent *) { squeezeTextToLabel(); } QSize SqueezedLabel::minimumSizeHint() const { QSize sh = QLabel::minimumSizeHint(); sh.setWidth(-1); return sh; } QSize SqueezedLabel::sizeHint() const { int dw = QApplication::desktop()->availableGeometry(QPoint(0, 0)).width(); int maxWidth = dw * 3 / 4; QFontMetrics fm(fontMetrics()); int textWidth = fm.width(fullText); if (textWidth > maxWidth) { textWidth = maxWidth; } return QSize(textWidth, QLabel::sizeHint().height()); } void SqueezedLabel::setText(const QString &text) { fullText = text; squeezeTextToLabel(); } void SqueezedLabel::clear() { fullText.clear(); QLabel::clear(); } void SqueezedLabel::squeezeTextToLabel() { QFontMetrics fm(fontMetrics()); int labelWidth = size().width(); QStringList squeezedLines; bool squeezed = false; Q_FOREACH(const QString& line, fullText.split('\n')) { int lineWidth = fm.width(line); if (lineWidth > labelWidth) { squeezed = true; squeezedLines << fm.elidedText(line, elideMode, labelWidth); } else { squeezedLines << line; } } if (squeezed) { QLabel::setText(squeezedLines.join("\n")); setToolTip(fullText); } else { QLabel::setText(fullText); setToolTip(QString()); } } void SqueezedLabel::setAlignment(Qt::Alignment alignment) { // save fullText and restore it QString tmpFull(fullText); QLabel::setAlignment(alignment); fullText = tmpFull; } Qt::TextElideMode SqueezedLabel::textElideMode() const { return elideMode; } void SqueezedLabel::setTextElideMode(Qt::TextElideMode mode) { elideMode = mode; squeezeTextToLabel(); } void SqueezedLabel::contextMenuEvent(QContextMenuEvent* ev) { // "We" means the KDE team here. // // We want to reimplement "Copy" to include the elided text. // But this means reimplementing the full popup menu, so no more // copy-link-address or copy-selection support anymore, since we // have no access to the QTextDocument. // Maybe we should have a boolean flag in SqueezedLabel itself for // whether to show the "Copy Full Text" custom popup? // For now I chose to show it when the text is squeezed; when it's not, the // standard popup menu can do the job (select all, copy). const bool squeezed = text() != fullText; const bool showCustomPopup = squeezed; if (showCustomPopup) { QMenu menu(this); QAction* act = new QAction(tr("&Copy Full Text"), this); connect(act, SIGNAL(triggered()), this, SLOT(_k_copyFullText())); menu.addAction(act); ev->accept(); menu.exec(ev->globalPos()); } else { QLabel::contextMenuEvent(ev); } }