Mercurial > hg > easyhg
view historywidget.cpp @ 194:5ca49523892f
* Fixes to dialog return code handling
author | Chris Cannam |
---|---|
date | Mon, 20 Dec 2010 22:39:45 +0000 |
parents | 4bad3c5c053a |
children | 8fd71f570884 |
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/* -*- 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) 2010 Chris Cannam Copyright (c) 2010 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 "historywidget.h" #include "changesetscene.h" #include "panned.h" #include "panner.h" #include "grapher.h" #include "debug.h" #include "uncommitteditem.h" #include <iostream> #include <QGridLayout> HistoryWidget::HistoryWidget() : m_showUncommitted(false), m_refreshNeeded(false) { m_panned = new Panned; m_panner = new Panner; m_panned->setDragMode(QGraphicsView::ScrollHandDrag); QGridLayout *layout = new QGridLayout; layout->addWidget(m_panned, 0, 0); layout->addWidget(m_panner, 0, 1); m_panner->setMaximumWidth(80); m_panner->connectToPanned(m_panned); setLayout(layout); } HistoryWidget::~HistoryWidget() { clearChangesets(); } QGraphicsScene *HistoryWidget::scene() { return m_panned->scene(); } void HistoryWidget::clearChangesets() { foreach (Changeset *cs, m_changesets) delete cs; m_changesets.clear(); } void HistoryWidget::setCurrent(QStringList ids, QString branch, bool showUncommitted) { if (m_currentIds == ids && m_currentBranch == branch && m_showUncommitted == showUncommitted) return; DEBUG << "HistoryWidget::setCurrent: " << ids.size() << " ids, " << "showUncommitted: " << showUncommitted << endl; m_currentIds.clear(); m_currentBranch = branch; m_showUncommitted = showUncommitted; if (ids.empty()) return; foreach (QString id, ids) { m_currentIds.push_back(id); } m_refreshNeeded = true; } void HistoryWidget::parseNewLog(QString log) { DEBUG << "HistoryWidget::parseNewLog: log has " << log.length() << " chars" << endl; Changesets csets = Changeset::parseChangesets(log); DEBUG << "HistoryWidget::parseNewLog: log has " << csets.size() << " changesets" << endl; replaceChangesets(csets); m_refreshNeeded = true; } void HistoryWidget::parseIncrementalLog(QString log) { DEBUG << "HistoryWidget::parseIncrementalLog: log has " << log.length() << " chars" << endl; Changesets csets = Changeset::parseChangesets(log); DEBUG << "HistoryWidget::parseIncrementalLog: log has " << csets.size() << " changesets" << endl; if (!csets.empty()) { addChangesets(csets); } m_refreshNeeded = true; } void HistoryWidget::replaceChangesets(Changesets csets) { QSet<QString> oldIds; foreach (Changeset *cs, m_changesets) { oldIds.insert(cs->id()); } QSet<QString> newIds; foreach (Changeset *cs, csets) { if (!oldIds.contains(cs->id())) { newIds.insert(cs->id()); } } if (newIds.size() == csets.size()) { // completely new set, unrelated to the old: don't mark new m_newIds.clear(); } else { m_newIds = newIds; } clearChangesets(); m_changesets = csets; } void HistoryWidget::addChangesets(Changesets csets) { m_newIds.clear(); if (csets.empty()) return; foreach (Changeset *cs, csets) { m_newIds.insert(cs->id()); } DEBUG << "addChangesets: " << csets.size() << " new changesets" << endl; csets << m_changesets; m_changesets = csets; } void HistoryWidget::update() { if (m_refreshNeeded) { layoutAll(); } } void HistoryWidget::layoutAll() { m_refreshNeeded = false; setChangesetParents(); ChangesetScene *scene = new ChangesetScene(); ChangesetItem *tipItem = 0; QGraphicsScene *oldScene = m_panned->scene(); m_panned->setScene(0); m_panner->setScene(0); delete oldScene; QGraphicsItem *toFocus = 0; if (!m_changesets.empty()) { Grapher g(scene); try { g.layout(m_changesets, m_showUncommitted ? m_currentIds : QStringList(), m_currentBranch); } catch (std::string s) { std::cerr << "Internal error: Layout failed: " << s << std::endl; } toFocus = g.getUncommittedItem(); if (!toFocus) { toFocus = g.getItemFor(m_changesets[0]); } } m_panned->setScene(scene); m_panner->setScene(scene); updateNewAndCurrentItems(); if (toFocus) { toFocus->ensureVisible(); } connectSceneSignals(); } void HistoryWidget::setChangesetParents() { for (int i = 0; i < m_changesets.size(); ++i) { Changeset *cs = m_changesets[i]; // Need to reset this, as Grapher::layout will recalculate it // and we don't want to end up with twice the children for // each parent... cs->setChildren(QStringList()); } for (int i = 0; i+1 < m_changesets.size(); ++i) { Changeset *cs = m_changesets[i]; if (cs->parents().empty()) { QStringList list; list.push_back(m_changesets[i+1]->id()); cs->setParents(list); } } } void HistoryWidget::updateNewAndCurrentItems() { QGraphicsScene *scene = m_panned->scene(); if (!scene) return; QList<QGraphicsItem *> items = scene->items(); foreach (QGraphicsItem *it, items) { ChangesetItem *csit = dynamic_cast<ChangesetItem *>(it); if (!csit) continue; QString id = csit->getChangeset()->id(); bool current = m_currentIds.contains(id); if (current) { DEBUG << "id " << id << " is current" << endl; } bool newid = m_newIds.contains(id); if (newid) { DEBUG << "id " << id << " is new" << endl; } if (csit->isCurrent() != current || csit->isNew() != newid) { csit->setCurrent(current); csit->setNew(newid); csit->update(); } } } void HistoryWidget::connectSceneSignals() { ChangesetScene *scene = qobject_cast<ChangesetScene *>(m_panned->scene()); if (!scene) return; connect(scene, SIGNAL(commit()), this, SIGNAL(commit())); connect(scene, SIGNAL(revert()), this, SIGNAL(revert())); connect(scene, SIGNAL(diffWorkingFolder()), this, SIGNAL(diffWorkingFolder())); connect(scene, SIGNAL(showSummary()), this, SIGNAL(showSummary())); connect(scene, SIGNAL(showWork()), this, SIGNAL(showWork())); connect(scene, SIGNAL(updateTo(QString)), this, SIGNAL(updateTo(QString))); connect(scene, SIGNAL(diffToCurrent(QString)), this, SIGNAL(diffToCurrent(QString))); connect(scene, SIGNAL(diffToParent(QString, QString)), this, SIGNAL(diffToParent(QString, QString))); connect(scene, SIGNAL(mergeFrom(QString)), this, SIGNAL(mergeFrom(QString))); connect(scene, SIGNAL(tag(QString)), this, SIGNAL(tag(QString))); }