view widgets/ActivityLog.cpp @ 1534:bfd8b22fd67c

Fix #1904 Scrolling colour 3d plot does not always work when in View normalisation mode. We shouldn't imagine we've just invalidated the cache if the truth is that we've only just created the renderer

/* -*- 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 file copyright 2009 QMUL.
    
    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 "ActivityLog.h"

#include <QListView>
#include <QGridLayout>
#include <QStringListModel>
#include <QLabel>
#include <QDialogButtonBox>
#include <QTime>
#include <QApplication>

#include <iostream>

#include "base/Debug.h"

using std::cerr;
using std::endl;

#ifndef NO_PRINT_ACTIVITY
#define PRINT_ACTIVITY 1
#endif

ActivityLog::ActivityLog() : QDialog()
{
    setWindowTitle(tr("Activity Log"));

    QGridLayout *layout = new QGridLayout;
    setLayout(layout);

    layout->addWidget(new QLabel(tr("<p>Activity Log lists your interactions and other events within %1.</p>").arg(QApplication::applicationName())), 0, 0);

    m_listView = new QListView;
    m_model = new QStringListModel;
    m_listView->setModel(m_model);
    layout->addWidget(m_listView, 1, 0);
    layout->setRowStretch(1, 10);

    QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Close);
    connect(bb, SIGNAL(rejected()), this, SLOT(hide()));
    layout->addWidget(bb, 2, 0);
}

ActivityLog::~ActivityLog()
{
}

void
ActivityLog::activityHappened(QString name)
{
    name = name.replace("&", "");

#ifdef PRINT_ACTIVITY
    SVDEBUG << "ActivityLog: " << name;
    if (name == m_prevName) {
        SVDEBUG << " (duplicate)";
    }
    SVDEBUG << endl;
#endif

    if (name == m_prevName) {
        return;
    }
    m_prevName = name;
    int row = m_model->rowCount();
    name = tr("%1: %2").arg(QTime::currentTime().toString()).arg(name);
    m_model->insertRows(row, 1);
    QModelIndex ix = m_model->index(row, 0);
    m_model->setData(ix, name);
    if (isVisible()) m_listView->scrollTo(ix);
}

void
ActivityLog::scrollToEnd()
{
    if (m_model->rowCount() == 0 || !isVisible()) return;
    QModelIndex ix = m_model->index(m_model->rowCount()-1, 0);
    m_listView->scrollTo(ix);
}