view src/settingsdialog.cpp @ 571:012ba1b83328

Show cancel button with progress bar only when running an operation that it makes sense to cancel (we don't really want people cancelling e.g. initial folder scan because it would leave things in an inconsistent state)

/* -*- 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) 2012 Chris Cannam
    Copyright (c) 2012 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 "settingsdialog.h"
#include "common.h"
#include "debug.h"

#include <QGridLayout>
#include <QGroupBox>
#include <QDialogButtonBox>
#include <QSettings>
#include <QDir>
#include <QFileDialog>
#include <QMessageBox>
#include <QTabWidget>

QString
SettingsDialog::m_installPath;

SettingsDialog::SettingsDialog(QWidget *parent) :
    QDialog(parent),
    m_presentationChanged(false)
{
    setModal(true);
    setWindowTitle(tr("Settings"));

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

    m_tabs = new QTabWidget;
    mainLayout->addWidget(m_tabs, 0, 0);


//    QGroupBox *meBox = new QGroupBox(tr("User details"));
//    mainLayout->addWidget(meBox, 0, 0);

    QWidget *meBox = new QWidget;
    m_tabs->addTab(meBox, tr("User details"));

    QGridLayout *meLayout = new QGridLayout;
    meBox->setLayout(meLayout);

    int row = 0;

    meLayout->addWidget(new QLabel(tr("Name:")), row, 0);

    m_nameEdit = new QLineEdit();
    meLayout->addWidget(m_nameEdit, row++, 1);
    
    meLayout->addWidget(new QLabel(tr("Email address:")), row, 0);

    m_emailEdit = new QLineEdit();
    meLayout->addWidget(m_emailEdit, row++, 1);

    meLayout->setRowStretch(row, 20);


//    QGroupBox *lookBox = new QGroupBox(tr("Presentation"));
//    mainLayout->addWidget(lookBox, 1, 0);
    
    QWidget *lookBox = new QWidget;
    m_tabs->addTab(lookBox, tr("Presentation"));

    QGridLayout *lookLayout = new QGridLayout;
    lookBox->setLayout(lookLayout);

    row = 0;

    m_showIconLabels = new QCheckBox(tr("Show labels on toolbar icons"));
    lookLayout->addWidget(m_showIconLabels, row++, 0, 1, 2);

    m_showExtraText = new QCheckBox(tr("Show long descriptions for file status headings"));
    lookLayout->addWidget(m_showExtraText, row++, 0, 1, 2);
    
#ifdef NOT_IMPLEMENTED_YET
    lookLayout->addWidget(new QLabel(tr("Place the work and history views")), row, 0);
    m_workHistoryArrangement = new QComboBox();
    m_workHistoryArrangement->addItem(tr("In separate tabs"));
    m_workHistoryArrangement->addItem(tr("Side-by-side in a single pane"));
    lookLayout->addWidget(m_workHistoryArrangement, row++, 1, Qt::AlignLeft);
    lookLayout->setColumnStretch(1, 20);
#endif

    lookLayout->addWidget(new QLabel(tr("Label the history timeline with")), row, 0);
    m_dateFormat = new QComboBox();
    m_dateFormat->addItem(tr("Ages, for example \"5 weeks ago\""));
    m_dateFormat->addItem(tr("Dates, for example \"2010-06-23\""));
    lookLayout->addWidget(m_dateFormat, row++, 1, Qt::AlignLeft);
    lookLayout->setColumnStretch(1, 20);

    lookLayout->setRowStretch(row, 20);
    

    QWidget *pathsBox = new QWidget;
    m_tabs->addTab(pathsBox, tr("System application locations"));

//    QGroupBox *pathsBox = new QGroupBox(tr("System application locations"));
//    mainLayout->addWidget(pathsBox, 2, 0);
    QGridLayout *pathsLayout = new QGridLayout;
    pathsBox->setLayout(pathsLayout);

    row = 0;

    pathsLayout->addWidget(new QLabel(tr("Mercurial (hg) program:")), row, 0);

    m_hgPathLabel = new QLineEdit();
    pathsLayout->addWidget(m_hgPathLabel, row, 2);

    QPushButton *browse = new QPushButton(tr("Browse..."));
    pathsLayout->addWidget(browse, row++, 1);
    connect(browse, SIGNAL(clicked()), this, SLOT(hgPathBrowse()));

    pathsLayout->addWidget(new QLabel(tr("External diff program:")), row, 0);

    m_diffPathLabel = new QLineEdit();
    pathsLayout->addWidget(m_diffPathLabel, row, 2);

    browse = new QPushButton(tr("Browse..."));
    pathsLayout->addWidget(browse, row++, 1);
    connect(browse, SIGNAL(clicked()), this, SLOT(diffPathBrowse()));
    
    pathsLayout->addWidget(new QLabel(tr("External file-merge program:")), row, 0);

    m_mergePathLabel = new QLineEdit();
    pathsLayout->addWidget(m_mergePathLabel, row, 2);

    browse = new QPushButton(tr("Browse..."));
    pathsLayout->addWidget(browse, row++, 1);
    connect(browse, SIGNAL(clicked()), this, SLOT(mergePathBrowse()));

    pathsLayout->addWidget(new QLabel(tr("SSH program (for ssh URLs):")), row, 0);

    m_sshPathLabel = new QLineEdit();
    pathsLayout->addWidget(m_sshPathLabel, row, 2);

    browse = new QPushButton(tr("Browse..."));
    pathsLayout->addWidget(browse, row++, 1);
    connect(browse, SIGNAL(clicked()), this, SLOT(sshPathBrowse()));

    pathsLayout->addWidget(new QLabel(tr("EasyHg Mercurial extension:")), row, 0);

    m_extensionPathLabel = new QLineEdit();
    pathsLayout->addWidget(m_extensionPathLabel, row, 2);

    browse = new QPushButton(tr("Browse..."));
    pathsLayout->addWidget(browse, row++, 1);
    connect(browse, SIGNAL(clicked()), this, SLOT(extensionPathBrowse()));

    //!!! more info plz
    m_useExtension = new QCheckBox(tr("Use EasyHg Mercurial extension"));
    pathsLayout->addWidget(m_useExtension, row++, 2);

    pathsLayout->setRowStretch(row, 20);


    reset(); // loads current defaults from settings


    QDialogButtonBox *bbox = new QDialogButtonBox(QDialogButtonBox::Ok);
    connect(bbox->addButton(tr("Restore defaults"), QDialogButtonBox::ResetRole),
            SIGNAL(clicked()), this, SLOT(restoreDefaults()));
    connect(bbox, SIGNAL(accepted()), this, SLOT(accept()));
    mainLayout->addWidget(bbox, 3, 0);
    m_ok = bbox->button(QDialogButtonBox::Ok);
}

void
SettingsDialog::setCurrentTab(Tab t)
{
    switch (t) {
    case PersonalDetailsTab: m_tabs->setCurrentIndex(0); break;
    case PresentationTab: m_tabs->setCurrentIndex(1); break;
    case PathsTab: m_tabs->setCurrentIndex(2); break;
    }
}

void
SettingsDialog::hgPathBrowse()
{
    browseFor(tr("Mercurial program"), m_hgPathLabel);
}

void
SettingsDialog::diffPathBrowse()
{
    browseFor(tr("External diff program"), m_diffPathLabel);
}

void
SettingsDialog::mergePathBrowse()
{
    browseFor(tr("External file-merge program"), m_mergePathLabel);
}

void
SettingsDialog::sshPathBrowse()
{
    browseFor(tr("SSH program"), m_sshPathLabel);
}

void
SettingsDialog::extensionPathBrowse()
{
    browseFor(tr("EasyHg Mercurial extension"), m_extensionPathLabel);
}

void
SettingsDialog::browseFor(QString title, QLineEdit *edit)
{
    QString origin = edit->text();

    if (origin == "") {
#ifdef Q_OS_WIN32
        origin = "c:";
#else
        origin = QDir::homePath();
#endif
    }
    
    QString path = QFileDialog::getOpenFileName(this, title, origin);
    if (path != QString()) {
        edit->setText(path);
    }
}

void
SettingsDialog::restoreDefaults()
{
    if (QMessageBox::question
        (this, tr("Restore default settings?"),
         tr("<qt><b>Restore default settings?</b><br><br>Are you sure you want to reset all settings to their default values?"),
         QMessageBox::Ok | QMessageBox::Cancel,
         QMessageBox::Cancel) == QMessageBox::Ok) {
        clear();
        findDefaultLocations();
        reset();
    }
}

void
SettingsDialog::findDefaultLocations(QString installPath)
{
    m_installPath = installPath;
    findHgBinaryName();
    findExtension();
    findDiffBinaryName();
    findMergeBinaryName();
    findSshBinaryName();
}

void
SettingsDialog::findHgBinaryName()
{
    QSettings settings;
    settings.beginGroup("Locations");
    QString hg = settings.value("hgbinary", "").toString();
    if (hg == "") {
        hg = findInPath("hg", m_installPath, true);
    }
    if (hg != "") {
        settings.setValue("hgbinary", hg);
    }
}

QString
SettingsDialog::getUnbundledExtensionFileName()
{
    QString home = QDir::homePath();
    QString target = QString("%1/.easyhg").arg(home);
    QString extpath = QString("%1/easyhg.py").arg(target);
    return extpath;
}

void
SettingsDialog::findExtension()
{
    QSettings settings;
    settings.beginGroup("Locations");

    QString extpath = settings.value("extensionpath", "").toString();
    if (extpath != "" || !QFile(extpath).exists()) {

        extpath = getUnbundledExtensionFileName();

        if (!QFile(extpath).exists()) {
            extpath = findInPath("easyhg.py", m_installPath, false);
        }
    }

    settings.setValue("extensionpath", extpath);
}   

void
SettingsDialog::findDiffBinaryName()
{
    QSettings settings;
    settings.beginGroup("Locations");
    QString diff = settings.value("extdiffbinary", "").toString();
    if (diff != "" && QFile(diff).exists()) {
        return;
    }
    QStringList bases;
#ifdef Q_OS_WIN32
    bases << "easyhg-extdiff.bat";
#else
    bases << "easyhg-extdiff.sh";
#endif
    bases << "kompare" << "kdiff3" << "meld";
    bool found = false;
    foreach (QString base, bases) {
        diff = findInPath(base, m_installPath, true);
        if (diff != "") {
            found = true;
            break;
        }
    }
    if (found) {
        settings.setValue("extdiffbinary", diff);
    }
}

void
SettingsDialog::findMergeBinaryName()
{
    QSettings settings;
    settings.beginGroup("Locations");
    QString merge = settings.value("mergebinary", "").toString();
    if (merge != "" && QFile(merge).exists()) {
        return;
    }
    QStringList bases;
#ifdef Q_OS_WIN32
    bases << "easyhg-merge.bat";
#else
    bases << "easyhg-merge.sh";
#endif
    // NB it's not a good idea to add other tools here, as command
    // line argument ordering varies.  Configure them through hgrc
    // instead
    bool found = false;
    foreach (QString base, bases) {
        merge = findInPath(base, m_installPath, true);
        if (merge != "") {
            found = true;
            break;
        }
    }
    if (found) {
        settings.setValue("mergebinary", merge);
    }
}

void
SettingsDialog::findSshBinaryName()
{
    QSettings settings;
    settings.beginGroup("Locations");
    QString ssh = settings.value("sshbinary", "").toString();
    if (ssh != "" && QFile(ssh).exists()) {
        return;
    }
    QStringList bases;
#ifdef Q_OS_WIN32
    bases << "TortoisePlink.exe";
#else
    bases << "ssh";
#endif
    bool found = false;
    foreach (QString base, bases) {
        ssh = findInPath(base, m_installPath, true);
        if (ssh != "") {
            found = true;
            break;
        }
    }
    if (found) {
        settings.setValue("sshbinary", ssh);
    }
}

void
SettingsDialog::clear()
{
    // Clear everything that has a default setting
    DEBUG << "SettingsDialog::clear" << endl;
    QSettings settings;
    settings.beginGroup("Presentation");
    settings.remove("showiconlabels");
    settings.remove("showhelpfultext");
    settings.remove("dateformat");
    settings.endGroup();
    settings.beginGroup("Locations");
    settings.remove("hgbinary");
    settings.remove("extdiffbinary");
    settings.remove("mergebinary");
    settings.remove("sshbinary");
    settings.remove("extensionpath");
    settings.endGroup();
    settings.beginGroup("");
    settings.remove("useextension");
    settings.endGroup();
}

void
SettingsDialog::reset()
{
    DEBUG << "SettingsDialog::reset" << endl;
    QSettings settings;
    settings.beginGroup("User Information");
    m_nameEdit->setText(settings.value("name", getUserRealName()).toString());
    m_emailEdit->setText(settings.value("email").toString());
    settings.endGroup();
    settings.beginGroup("Presentation");
    m_showIconLabels->setChecked(settings.value("showiconlabels", true).toBool());
    m_showExtraText->setChecked(settings.value("showhelpfultext", true).toBool());
#ifdef NOT_IMPLEMENTED_YET
    m_workHistoryArrangement->setCurrentIndex(settings.value("workhistoryarrangement", 0).toInt());
#endif
    m_dateFormat->setCurrentIndex(settings.value("dateformat", 0).toInt());
    settings.endGroup();
    settings.beginGroup("Locations");
    m_hgPathLabel->setText(settings.value("hgbinary").toString());
    m_diffPathLabel->setText(settings.value("extdiffbinary").toString());
    m_mergePathLabel->setText(settings.value("mergebinary").toString());
    m_sshPathLabel->setText(settings.value("sshbinary").toString());
    m_extensionPathLabel->setText(settings.value("extensionpath").toString());
    settings.endGroup();
    settings.beginGroup("");
    m_useExtension->setChecked(settings.value("useextension", true).toBool());
    settings.endGroup();
}

void
SettingsDialog::accept()
{
    DEBUG << "SettingsDialog::accept" << endl;
    QSettings settings;
    settings.beginGroup("User Information");
    settings.setValue("name", m_nameEdit->text());
    settings.setValue("email", m_emailEdit->text());
    settings.endGroup();
    settings.beginGroup("Presentation");
    bool b;
    b = m_showIconLabels->isChecked();
    if (b != settings.value("showiconlabels", true)) {
        settings.setValue("showiconlabels", b);
        m_presentationChanged = true;
    }
    b = m_showExtraText->isChecked();
    if (b != settings.value("showhelpfultext", true)) {
        settings.setValue("showhelpfultext", b);
        m_presentationChanged = true;
    }
    int i;
#ifdef NOT_IMPLEMENTED_YET
    i = m_workHistoryArrangement->currentIndex();
    if (i != settings.value("workhistoryarrangement", 0)) {
        settings.setValue("workhistoryarrangement", i);
        m_presentationChanged = true;
    }
#endif
    i = m_dateFormat->currentIndex();
    if (i != settings.value("dateformat", 0)) {
        settings.setValue("dateformat", i);
        m_presentationChanged = true;
    }
    settings.endGroup();
    settings.beginGroup("Locations");
    settings.setValue("hgbinary", m_hgPathLabel->text());
    settings.setValue("extdiffbinary", m_diffPathLabel->text());
    settings.setValue("mergebinary", m_mergePathLabel->text());
    settings.setValue("sshbinary", m_sshPathLabel->text());
    settings.setValue("extensionpath", m_extensionPathLabel->text());
    settings.endGroup();
    settings.beginGroup("");
    settings.setValue("useextension", m_useExtension->isChecked());
    settings.endGroup();
    QDialog::accept();
}