Mercurial > hg > svgui
view widgets/LevelPanToolButton.cpp @ 1447:8afea53332f3 single-point
Add option to make pane sizes auto-resize-only (i.e. remove user control via a splitter); also place alignment views above panes instead of below, meaning the extra bit of space that we currently have for the pane without one at least goes to the primary pane
author | Chris Cannam |
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date | Tue, 30 Apr 2019 15:53:21 +0100 |
parents | 1589bc7528b7 |
children | 27ea5d61b402 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, 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. */ #include "LevelPanToolButton.h" #include "LevelPanWidget.h" #include <QMenu> #include <QWidgetAction> #include <QImage> #include <QMouseEvent> #include <QStylePainter> #include <QStyleOptionToolButton> #include "base/Debug.h" #include <iostream> using std::cerr; using std::endl; LevelPanToolButton::LevelPanToolButton(QWidget *parent) : QToolButton(parent), m_pixels(32), m_pixelsBig(32 * 3), m_muted(false), m_savedLevel(1.f) { m_lpw = new LevelPanWidget(); connect(m_lpw, SIGNAL(levelChanged(float)), this, SIGNAL(levelChanged(float))); connect(m_lpw, SIGNAL(levelChanged(float)), this, SLOT(selfLevelChanged(float))); connect(m_lpw, SIGNAL(panChanged(float)), this, SIGNAL(panChanged(float))); connect(m_lpw, SIGNAL(panChanged(float)), this, SLOT(update())); connect(this, SIGNAL(clicked(bool)), this, SLOT(selfClicked())); QMenu *menu = new QMenu(); QWidgetAction *wa = new QWidgetAction(menu); wa->setDefaultWidget(m_lpw); menu->addAction(wa); setPopupMode(InstantPopup); setMenu(menu); setToolTip(tr("Click to adjust level and pan")); setImageSize(m_pixels); setBigImageSize(m_pixelsBig); } LevelPanToolButton::~LevelPanToolButton() { } void LevelPanToolButton::mousePressEvent(QMouseEvent *e) { if (e->button() == Qt::MidButton || ((e->button() == Qt::LeftButton) && (e->modifiers() & Qt::ControlModifier))) { m_lpw->setToDefault(); e->accept(); } else { QToolButton::mousePressEvent(e); } } void LevelPanToolButton::wheelEvent(QWheelEvent *e) { m_lpw->wheelEvent(e); } float LevelPanToolButton::getLevel() const { return m_lpw->getLevel(); } float LevelPanToolButton::getPan() const { return m_lpw->getPan(); } bool LevelPanToolButton::includesMute() const { return m_lpw->includesMute(); } void LevelPanToolButton::setImageSize(int pixels) { m_pixels = pixels; QPixmap px(m_pixels, m_pixels); px.fill(Qt::transparent); setIcon(px); } void LevelPanToolButton::setBigImageSize(int pixels) { m_pixelsBig = pixels; m_lpw->setFixedWidth(m_pixelsBig); m_lpw->setFixedHeight(m_pixelsBig); } void LevelPanToolButton::setLevel(float level) { m_lpw->setLevel(level); update(); } void LevelPanToolButton::setPan(float pan) { m_lpw->setPan(pan); update(); } void LevelPanToolButton::setMonitoringLevels(float left, float right) { m_lpw->setMonitoringLevels(left, right); update(); } void LevelPanToolButton::setIncludeMute(bool include) { m_lpw->setIncludeMute(include); update(); } void LevelPanToolButton::setEnabled(bool enabled) { m_lpw->setEnabled(enabled); QToolButton::setEnabled(enabled); } void LevelPanToolButton::selfLevelChanged(float level) { if (level > 0.f) { m_muted = false; } else { m_muted = true; m_savedLevel = 1.f; } update(); } void LevelPanToolButton::selfClicked() { if (m_muted) { m_muted = false; m_lpw->setLevel(m_savedLevel); emit levelChanged(m_savedLevel); } else { m_savedLevel = m_lpw->getLevel(); m_muted = true; m_lpw->setLevel(0.f); emit levelChanged(0.f); } update(); } void LevelPanToolButton::paintEvent(QPaintEvent *) { QStylePainter p(this); QStyleOptionToolButton opt; initStyleOption(&opt); opt.features &= (~QStyleOptionToolButton::HasMenu); p.drawComplexControl(QStyle::CC_ToolButton, opt); if (m_pixels >= height()) { setImageSize(height()-1); } double margin = (double(height()) - m_pixels) / 2.0; m_lpw->renderTo(this, QRectF(margin, margin, m_pixels, m_pixels), false); } void LevelPanToolButton::enterEvent(QEvent *e) { QToolButton::enterEvent(e); emit mouseEntered(); } void LevelPanToolButton::leaveEvent(QEvent *e) { QToolButton::enterEvent(e); emit mouseLeft(); }