view src/hgtabwidget.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 "hgtabwidget.h"
#include "common.h"
#include "filestatuswidget.h"
#include "historywidget.h"

#include <QClipboard>
#include <QContextMenuEvent>
#include <QApplication>

#include <iostream>

HgTabWidget::HgTabWidget(QWidget *parent,
                         QString workFolderPath) :
    QTabWidget(parent),
    m_haveMerge(false)
{
    // Work tab
    m_fileStatusWidget = new FileStatusWidget;
    m_fileStatusWidget->setLocalPath(workFolderPath);

    connect(m_fileStatusWidget, SIGNAL(selectionChanged()),
            this, SIGNAL(selectionChanged()));

    connect(m_fileStatusWidget, SIGNAL(showAllChanged()),
            this, SIGNAL(showAllChanged()));

    connect(m_fileStatusWidget, SIGNAL(annotateFiles(QStringList)),
            this, SIGNAL(annotateFiles(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(diffFiles(QStringList)),
            this, SIGNAL(diffFiles(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(commitFiles(QStringList)),
            this, SIGNAL(commitFiles(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(revertFiles(QStringList)),
            this, SIGNAL(revertFiles(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(renameFiles(QStringList)),
            this, SIGNAL(renameFiles(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(copyFiles(QStringList)),
            this, SIGNAL(copyFiles(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(addFiles(QStringList)),
            this, SIGNAL(addFiles(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(removeFiles(QStringList)),
            this, SIGNAL(removeFiles(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(redoFileMerges(QStringList)),
            this, SIGNAL(redoFileMerges(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(markFilesResolved(QStringList)),
            this, SIGNAL(markFilesResolved(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(ignoreFiles(QStringList)),
            this, SIGNAL(ignoreFiles(QStringList)));

    connect(m_fileStatusWidget, SIGNAL(unIgnoreFiles(QStringList)),
            this, SIGNAL(unIgnoreFiles(QStringList)));

    addTab(m_fileStatusWidget, tr("My work"));

    // History graph tab
    m_historyWidget = new HistoryWidget;
    addTab(m_historyWidget, tr("History"));

    connect(m_historyWidget, SIGNAL(commit()),
            this, SIGNAL(commit()));
    
    connect(m_historyWidget, SIGNAL(revert()),
            this, SIGNAL(revert()));
    
    connect(m_historyWidget, SIGNAL(showSummary()),
            this, SIGNAL(showSummary()));
    
    connect(m_historyWidget, SIGNAL(newBranch()),
            this, SIGNAL(newBranch()));
    
    connect(m_historyWidget, SIGNAL(noBranch()),
            this, SIGNAL(noBranch()));
    
    connect(m_historyWidget, SIGNAL(diffWorkingFolder()),
            this, SIGNAL(diffWorkingFolder()));

    connect(m_historyWidget, SIGNAL(showWork()),
            this, SLOT(showWorkTab()));

    connect(m_historyWidget, SIGNAL(updateTo(QString)),
            this, SIGNAL(updateTo(QString)));

    connect(m_historyWidget, SIGNAL(diffToCurrent(QString)),
            this, SIGNAL(diffToCurrent(QString)));

    connect(m_historyWidget, SIGNAL(diffToParent(QString, QString)),
            this, SIGNAL(diffToParent(QString, QString)));

    connect(m_historyWidget, SIGNAL(showSummary(Changeset *)),
            this, SIGNAL(showSummary(Changeset *)));

    connect(m_historyWidget, SIGNAL(mergeFrom(QString)),
            this, SIGNAL(mergeFrom(QString)));

    connect(m_historyWidget, SIGNAL(newBranch(QString)),
            this, SIGNAL(newBranch(QString)));

    connect(m_historyWidget, SIGNAL(closeBranch(QString)),
            this, SIGNAL(closeBranch(QString)));

    connect(m_historyWidget, SIGNAL(tag(QString)),
            this, SIGNAL(tag(QString)));
}

void HgTabWidget::clearSelections()
{
    m_fileStatusWidget->clearSelections();
}

void HgTabWidget::setCurrent(QStringList ids, QString branch)
{
    m_historyWidget->setCurrent(ids, branch, haveChangesToCommit());
}

void HgTabWidget::setClosedHeadIds(QSet<QString> closed)
{
    m_historyWidget->setClosedHeadIds(closed);
}

void HgTabWidget::updateFileStates()
{
    m_fileStatusWidget->updateWidgets();
}

void HgTabWidget::updateHistory()
{
    m_historyWidget->update();
}

void HgTabWidget::setSearchText(QString text)
{
    m_fileStatusWidget->setSearchText(text);
    m_historyWidget->setSearchText(text);
}

bool HgTabWidget::canDiff() const
{
    return canRevert();
}

bool HgTabWidget::canCommit() const
{
    if (!haveChangesToCommit()) return false;
    if (!getAllUnresolvedFiles().empty()) return false;
    return true;
}

bool HgTabWidget::canRevert() const
{
    // Not the same as canCommit() -- we can revert (and diff)
    // unresolved files, but we can't commit them
    if (!haveChangesToCommit() &&
        getAllUnresolvedFiles().empty()) return false;
    return true;
}

bool HgTabWidget::canAdd() const
{
    // Permit this only when work tab is visible
    if (currentIndex() != 0) return false;

    QStringList addable = getSelectedAddableFiles();
    if (addable.empty()) return false;

    QStringList removable = getSelectedRemovableFiles();
    if (!removable.empty()) return false;

    return true;
}

bool HgTabWidget::canRemove() const
{
    // Permit this only when work tab is visible
    if (currentIndex() != 0) return false;

    if (getSelectedRemovableFiles().empty()) return false;
    if (!getSelectedAddableFiles().empty()) return false;
    return true;
}

bool HgTabWidget::canResolve() const
{
    return !getAllUnresolvedFiles().empty();
}

bool HgTabWidget::canIgnore() const
{
    return canAdd();
}

bool HgTabWidget::haveChangesToCommit() const
{
    return m_haveMerge || m_fileStatusWidget->haveChangesToCommit();
}

QStringList HgTabWidget::getAllCommittableFiles() const
{
    return m_fileStatusWidget->getAllCommittableFiles();
}

QStringList HgTabWidget::getAllRevertableFiles() const
{
    return m_fileStatusWidget->getAllRevertableFiles();
}

QStringList HgTabWidget::getSelectedAddableFiles() const
{
    return m_fileStatusWidget->getSelectedAddableFiles();
}

QStringList HgTabWidget::getSelectedRemovableFiles() const
{
    return m_fileStatusWidget->getSelectedRemovableFiles();
}

QStringList HgTabWidget::getAllUnresolvedFiles() const
{
    return m_fileStatusWidget->getAllUnresolvedFiles();
}

void HgTabWidget::updateWorkFolderFileList(QString fileList)
{
    m_fileStates.parseStates(fileList);
    m_fileStatusWidget->setFileStates(m_fileStates);
}

void HgTabWidget::setHaveMerge(bool haveMerge)
{
    if (m_haveMerge != haveMerge) {
        m_haveMerge = haveMerge;
        m_historyWidget->setShowUncommitted(haveChangesToCommit());
        updateHistory();
    }
}

void HgTabWidget::setNewLog(QString hgLogList)
{
    m_historyWidget->parseNewLog(hgLogList);
    if (m_historyWidget->haveNewItems()) {
        showHistoryTab();
    }
}

void HgTabWidget::addIncrementalLog(QString hgLogList)
{
    m_historyWidget->parseIncrementalLog(hgLogList);
    if (m_historyWidget->haveNewItems()) {
        showHistoryTab();
    }
}

void HgTabWidget::setLocalPath(QString workFolderPath)
{
    m_fileStatusWidget->setLocalPath(workFolderPath);
}

void HgTabWidget::showWorkTab()
{
    setCurrentWidget(m_fileStatusWidget);
}

void HgTabWidget::showHistoryTab()
{
    setCurrentWidget(m_historyWidget);
}

bool HgTabWidget::shouldShowAll() const
{
    return m_fileStatusWidget->shouldShowAll();
}