Mercurial > hg > easyhg
view src/changesetitem.cpp @ 582:f3a61f28896e
Added tag easyhg_v1.2 for changeset ca943d514769
author | Chris Cannam |
---|---|
date | Wed, 07 Mar 2012 15:25:33 +0000 |
parents | 1e76d1009167 |
children | 641ccce7c771 |
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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) 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 "changesetitem.h" #include "changesetscene.h" #include "changesetdetailitem.h" #include "changeset.h" #include "textabbrev.h" #include "colourset.h" #include "debug.h" #include <QPainter> #include <QGraphicsScene> #include <QGraphicsSceneMouseEvent> #include <QMenu> #include <QAction> #include <QLabel> #include <QWidgetAction> #include <QApplication> #include <QClipboard> QImage *ChangesetItem::m_star = 0; ChangesetItem::ChangesetItem(Changeset *cs) : m_changeset(cs), m_detail(0), m_showBranch(false), m_column(0), m_row(0), m_wide(false), m_current(false), m_closing(false), m_new(false), m_searchMatches(false) { m_font = QFont(); m_font.setPixelSize(11); m_font.setBold(false); m_font.setItalic(false); setCursor(Qt::ArrowCursor); if (!m_star) m_star = new QImage(":images/star.png"); } QString ChangesetItem::getId() { return m_changeset->id(); } QRectF ChangesetItem::boundingRect() const { int w = 100; if (m_wide) w = 180; return QRectF(-((w-50)/2 - 1), -30, w - 3, 90); } void ChangesetItem::showDetail() { if (m_detail) return; m_detail = new ChangesetDetailItem(m_changeset); m_detail->setZValue(zValue() + 1); scene()->addItem(m_detail); int w = 100; if (m_wide) w = 180; if (isMerge() || isClosingCommit()) w = 60; int h = 80; // m_detail->moveBy(x() - (m_detail->boundingRect().width() - 50) / 2, // y() + 60); m_detail->moveBy(x() + (w + 50) / 2 + 10 + 0.5, y() - (m_detail->boundingRect().height() - h) / 3 + 0.5); emit detailShown(); } void ChangesetItem::hideDetail() { if (!m_detail) return; scene()->removeItem(m_detail); delete m_detail; m_detail = 0; emit detailHidden(); } bool ChangesetItem::matchSearchText(QString text) { m_searchText = text; m_searchMatches = false; if (m_showBranch) { m_searchMatches = (m_changeset->branch().contains (text, Qt::CaseInsensitive)); } if (!m_searchMatches) { m_searchMatches = (m_changeset->comment().contains (text, Qt::CaseInsensitive)); } return m_searchMatches; } void ChangesetItem::mousePressEvent(QGraphicsSceneMouseEvent *e) { DEBUG << "ChangesetItem::mousePressEvent" << endl; if (e->button() == Qt::LeftButton) { if (m_detail) { hideDetail(); } else { showDetail(); } } } void ChangesetItem::contextMenuEvent(QGraphicsSceneContextMenuEvent *) { if (m_detail) { hideDetail(); } m_parentDiffActions.clear(); m_summaryActions.clear(); QMenu *menu = new QMenu; QLabel *label = new QLabel(tr("<qt><b> Revision: </b>%1</qt>") .arg(Changeset::hashOf(m_changeset->id()))); QWidgetAction *wa = new QWidgetAction(menu); wa->setDefaultWidget(label); menu->addAction(wa); menu->addSeparator(); QAction *copyId = menu->addAction(tr("Copy identifier to clipboard")); connect(copyId, SIGNAL(triggered()), this, SLOT(copyIdActivated())); QAction *stat = menu->addAction(tr("Summarise changes")); connect(stat, SIGNAL(triggered()), this, SLOT(showSummaryActivated())); menu->addSeparator(); QStringList parents = m_changeset->parents(); QString leftId, rightId; bool havePositions = false; if (parents.size() > 1) { ChangesetScene *cs = dynamic_cast<ChangesetScene *>(scene()); if (cs && parents.size() == 2) { ChangesetItem *i0 = cs->getItemById(parents[0]); ChangesetItem *i1 = cs->getItemById(parents[1]); if (i0 && i1) { if (i0->x() < i1->x()) { leftId = parents[0]; rightId = parents[1]; } else { leftId = parents[1]; rightId = parents[0]; } havePositions = true; } } } if (parents.size() > 1) { if (havePositions) { QAction *diff = menu->addAction(tr("Diff to left parent")); connect(diff, SIGNAL(triggered()), this, SLOT(diffToParentActivated())); m_parentDiffActions[diff] = leftId; diff = menu->addAction(tr("Diff to right parent")); connect(diff, SIGNAL(triggered()), this, SLOT(diffToParentActivated())); m_parentDiffActions[diff] = rightId; } else { foreach (QString parentId, parents) { QString text = tr("Diff to parent %1").arg(Changeset::hashOf(parentId)); QAction *diff = menu->addAction(text); connect(diff, SIGNAL(triggered()), this, SLOT(diffToParentActivated())); m_parentDiffActions[diff] = parentId; } } } else { QAction *diff = menu->addAction(tr("Diff to parent")); connect(diff, SIGNAL(triggered()), this, SLOT(diffToParentActivated())); } QAction *diffCurrent = menu->addAction(tr("Diff to current working folder")); connect(diffCurrent, SIGNAL(triggered()), this, SLOT(diffToCurrentActivated())); menu->addSeparator(); QAction *update = menu->addAction(tr("Update to this revision")); connect(update, SIGNAL(triggered()), this, SLOT(updateActivated())); QAction *merge = menu->addAction(tr("Merge from here to current")); connect(merge, SIGNAL(triggered()), this, SLOT(mergeActivated())); menu->addSeparator(); QAction *branch = menu->addAction(tr("Start new branch...")); branch->setEnabled(m_current); connect(branch, SIGNAL(triggered()), this, SLOT(newBranchActivated())); QAction *closebranch = menu->addAction(tr("Close branch...")); closebranch->setEnabled(m_current); connect(closebranch, SIGNAL(triggered()), this, SLOT(closeBranchActivated())); QAction *tag = menu->addAction(tr("Add tag...")); connect(tag, SIGNAL(triggered()), this, SLOT(tagActivated())); ungrabMouse(); menu->exec(QCursor::pos()); } void ChangesetItem::copyIdActivated() { QClipboard *clipboard = QApplication::clipboard(); clipboard->setText(Changeset::hashOf(m_changeset->id())); } void ChangesetItem::diffToParentActivated() { QAction *a = qobject_cast<QAction *>(sender()); QString parentId; if (m_parentDiffActions.contains(a)) { parentId = m_parentDiffActions[a]; DEBUG << "ChangesetItem::diffToParentActivated: specific parent " << parentId << " selected" << endl; } else { parentId = m_changeset->parents()[0]; DEBUG << "ChangesetItem::diffToParentActivated: " << "no specific parent selected, using first parent " << parentId << endl; } emit diffToParent(getId(), parentId); } void ChangesetItem::showSummaryActivated() { emit showSummary(m_changeset); } void ChangesetItem::updateActivated() { emit updateTo(getId()); } void ChangesetItem::diffToCurrentActivated() { emit diffToCurrent(getId()); } void ChangesetItem::mergeActivated() { emit mergeFrom(getId()); } void ChangesetItem::tagActivated() { emit tag(getId()); } void ChangesetItem::newBranchActivated() { emit newBranch(getId()); } void ChangesetItem::closeBranchActivated() { emit closeBranch(getId()); } void ChangesetItem::paint(QPainter *paint, const QStyleOptionGraphicsItem *, QWidget *) { if (isClosingCommit() || isMerge()) { paintSimple(paint); } else { paintNormal(paint); } } bool ChangesetItem::isMerge() const { return (m_changeset && m_changeset->parents().size() > 1); } bool ChangesetItem::isClosed() const { return (m_changeset && m_changeset->closed()); } void ChangesetItem::paintNormal(QPainter *paint) { paint->save(); int alpha = 255; if (isClosed()) alpha = 90; ColourSet *colourSet = ColourSet::instance(); QColor branchColour = colourSet->getColourFor(m_changeset->branch()); QColor userColour = colourSet->getColourFor(m_changeset->author()); branchColour.setAlpha(alpha); userColour.setAlpha(alpha); QFont f(m_font); QTransform t = paint->worldTransform(); float scale = std::min(t.m11(), t.m22()); if (scale > 1.0) { int ps = int((f.pixelSize() / scale) + 0.5); if (ps < 8) ps = 8; f.setPixelSize(ps); } bool showText = (scale >= 0.2); bool showProperLines = (scale >= 0.1); if (m_searchText != "") { if (m_searchMatches) { userColour = QColor("#008400"); showProperLines = true; showText = true; } else { branchColour = Qt::gray; userColour = Qt::gray; } } if (!showProperLines) { paint->setPen(QPen(branchColour, 0)); } else { paint->setPen(QPen(branchColour, 2)); } paint->setFont(f); QFontMetrics fm(f); int fh = fm.height(); int width = 100; if (m_wide) width = 180; int x0 = -((width - 50) / 2 - 1); int textwid = width - 7; QString comment; QStringList lines; int lineCount = 3; if (showText) { comment = m_changeset->comment().trimmed(); comment = comment.replace("\\n", " "); comment = comment.replace(QRegExp("^\"\\s*\\**\\s*"), ""); comment = comment.replace(QRegExp("\"$"), ""); comment = comment.replace("\\\"", "\""); comment = TextAbbrev::abbreviate(comment, fm, textwid, TextAbbrev::ElideEnd, "...", 3); // abbreviate() changes this (ouch!), restore it textwid = width - 5; lines = comment.split('\n'); lineCount = lines.size(); if (lineCount < 2) lineCount = 2; } int height = (lineCount + 1) * fh + 2; QRectF r(x0, 0, width - 3, height); QColor textColour = Qt::black; textColour.setAlpha(alpha); if (m_showBranch && showText) { // write branch name paint->save(); f.setBold(true); paint->setFont(f); paint->setPen(QPen(branchColour)); QString branch = m_changeset->branch(); if (branch == "") branch = "default"; int wid = width - 3; branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid); paint->drawText(x0, -fh + fm.ascent() - 4, branch); f.setBold(false); paint->restore(); } QStringList bookmarks = m_changeset->bookmarks(); if (!bookmarks.empty() && showText) { QString bmText = bookmarks.join(" ").trimmed(); int bw = fm.width(bmText); int bx = x0 + width - bw - 14; if (m_current) bx = bx - fh*1.5 + 3; paint->save(); paint->setPen(QPen(branchColour, 2)); // paint->setBrush(QBrush(Qt::white)); paint->setBrush(QBrush(branchColour)); paint->drawRoundedRect(QRectF(bx, -fh - 4, bw + 4, fh * 2), 5, 5); paint->setPen(QPen(Qt::white)); paint->drawText(bx + 2, -fh + fm.ascent() - 4, bmText); paint->restore(); } if (showProperLines) { if (m_new) { paint->setBrush(QColor(255, 255, 220)); } else { paint->setBrush(Qt::white); } if (m_current) { paint->drawRoundedRect(QRectF(x0 - 4, -4, width + 5, height + 8), 10, 10); if (m_new) { paint->save(); paint->setPen(Qt::yellow); paint->setBrush(Qt::NoBrush); paint->drawRoundedRect(QRectF(x0 - 2, -2, width + 1, height + 4), 10, 10); paint->restore(); } } } if (!showText) { paint->drawRoundedRect(r, 7, 7); paint->restore(); return; } paint->save(); paint->setPen(Qt::NoPen); paint->drawRoundedRect(r, 7, 7); paint->setBrush(QBrush(userColour)); paint->drawRoundedRect(QRectF(x0 + 0.5, 0.5, width - 4, fh - 0.5), 7, 7); paint->drawRect(QRectF(x0 + 0.5, fh/2.0, width - 4, fh/2.0)); paint->restore(); paint->setPen(QPen(Qt::white)); QString person = TextAbbrev::abbreviate(m_changeset->authorName(), fm, textwid); paint->drawText(x0 + 3, fm.ascent(), person); paint->setPen(QPen(textColour)); QStringList tags = m_changeset->tags(); if (!tags.empty()) { QStringList nonTipTags; foreach (QString t, tags) { // I'm not convinced that showing the tip tag really // works; I think perhaps it confuses as much as it // illuminates. But also, our current implementation // doesn't interact well with it because it moves -- it's // the one thing that can actually (in normal use) change // inside an existing changeset record even during an // incremental update if (t != "tip") nonTipTags.push_back(t); } if (!nonTipTags.empty()) { QString tagText = nonTipTags.join(" ").trimmed(); int tw = fm.width(tagText); paint->fillRect(QRectF(x0 + width - 8 - tw, 1, tw + 4, fh - 1), QBrush(Qt::yellow)); paint->drawText(x0 + width - 6 - tw, fm.ascent(), tagText); } } paint->setPen(QPen(branchColour, 2)); paint->setBrush(Qt::NoBrush); paint->drawRoundedRect(r, 7, 7); if (m_current && showProperLines) { paint->setRenderHint(QPainter::SmoothPixmapTransform, true); int starSize = fh * 1.5; paint->drawImage(QRectF(x0 + width - starSize, -fh, starSize, starSize), *m_star); } paint->setFont(f); if (m_searchMatches) paint->setPen(userColour); for (int i = 0; i < lines.size(); ++i) { paint->drawText(x0 + 3, i * fh + fh + fm.ascent(), lines[i].trimmed()); } paint->restore(); } void ChangesetItem::paintSimple(QPainter *paint) { paint->save(); int alpha = 255; if (isClosed()) alpha = 90; ColourSet *colourSet = ColourSet::instance(); QColor branchColour = colourSet->getColourFor(m_changeset->branch()); QColor userColour = colourSet->getColourFor(m_changeset->author()); branchColour.setAlpha(alpha); userColour.setAlpha(alpha); QFont f(m_font); QTransform t = paint->worldTransform(); float scale = std::min(t.m11(), t.m22()); if (scale > 1.0) { int ps = int((f.pixelSize() / scale) + 0.5); if (ps < 8) ps = 8; f.setPixelSize(ps); } bool showText = (scale >= 0.2); bool showProperLines = (scale >= 0.1); if (!showProperLines) { paint->setPen(QPen(branchColour, 0)); } else { paint->setPen(QPen(branchColour, 2)); } paint->setFont(f); QFontMetrics fm(f); int fh = fm.height(); int size = fh * 2; int x0 = -size/2 + 25; if (m_new) { paint->setBrush(QColor(255, 255, 220)); } else { paint->setBrush(Qt::white); } if (showProperLines) { if (m_current) { if (isClosingCommit()) { paint->drawRect(QRectF(x0 - 4, fh - 4, size + 8, size + 8)); } else { paint->drawEllipse(QRectF(x0 - 4, fh - 4, size + 8, size + 8)); } if (m_new) { paint->save(); paint->setPen(Qt::yellow); paint->setBrush(Qt::NoBrush); if (isClosingCommit()) { paint->drawRect(QRectF(x0 - 2, fh - 2, size + 4, size + 4)); } else { paint->drawEllipse(QRectF(x0 - 2, fh - 2, size + 4, size + 4)); } paint->restore(); } } } if (isClosingCommit()) { paint->drawRect(QRectF(x0, fh, size, size)); } else { paint->drawEllipse(QRectF(x0, fh, size, size)); } if (m_showBranch) { // write branch name paint->save(); f.setBold(true); paint->setFont(f); paint->setPen(QPen(branchColour)); QString branch = m_changeset->branch(); if (branch == "") branch = "default"; int wid = size * 3; branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid); paint->drawText(-wid/2 + 25, fm.ascent() - 4, branch); f.setBold(false); paint->restore(); } if (m_current && showProperLines) { paint->setRenderHint(QPainter::SmoothPixmapTransform, true); int starSize = fh * 1.5; paint->drawImage(QRectF(x0 + size - starSize/2, 0, starSize, starSize), *m_star); } paint->restore(); }