Mercurial > hg > easyhg
view changesetitem.cpp @ 202:3d4291d4226c
* Treat command failure on hg heads as a success, so that following actions happen properly (hg heads fails on empty repo)
* Hide no-modifications-yet label when widget is first created, show it only if it would actually be true
* Set directory name to window title
* Various textual fixes
author | Chris Cannam |
---|---|
date | Tue, 04 Jan 2011 14:31:22 +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 "changesetitem.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> 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_new(false) { m_font = QFont(); m_font.setPixelSize(11); m_font.setBold(false); m_font.setItalic(false); setCursor(Qt::ArrowCursor); } 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, 79); } 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; 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) / 2 + 0.5); emit detailShown(); } void ChangesetItem::hideDetail() { if (!m_detail) return; scene()->removeItem(m_detail); delete m_detail; m_detail = 0; emit detailHidden(); } void ChangesetItem::mousePressEvent(QGraphicsSceneMouseEvent *e) { DEBUG << "ChangesetItem::mousePressEvent" << endl; if (e->button() == Qt::LeftButton) { if (m_detail) { hideDetail(); } else { showDetail(); } } else if (e->button() == Qt::RightButton) { if (m_detail) { hideDetail(); } activateMenu(); } } void ChangesetItem::activateMenu() { m_parentDiffActions.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())); menu->addSeparator(); if (m_changeset->parents().size() > 1) { foreach (QString parentId, m_changeset->parents()) { QAction *diffParent = menu->addAction(tr("Diff to parent %1") .arg(Changeset::hashOf(parentId))); connect(diffParent, SIGNAL(triggered()), this, SLOT(diffToParentActivated())); m_parentDiffActions[diffParent] = parentId; } } else { QAction *diffParent = menu->addAction(tr("Diff to parent")); connect(diffParent, 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 *tag = menu->addAction(tr("Add tag...")); connect(tag, SIGNAL(triggered()), this, SLOT(tagActivated())); menu->exec(QCursor::pos()); ungrabMouse(); } 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::updateActivated() { emit updateTo(getId()); } void ChangesetItem::diffToCurrentActivated() { emit diffToCurrent(getId()); } void ChangesetItem::mergeActivated() { emit mergeFrom(getId()); } void ChangesetItem::tagActivated() { emit tag(getId()); } void ChangesetItem::paint(QPainter *paint, const QStyleOptionGraphicsItem *option, QWidget *w) { paint->save(); ColourSet *colourSet = ColourSet::instance(); QColor branchColour = colourSet->getColourFor(m_changeset->branch()); QColor userColour = colourSet->getColourFor(m_changeset->author()); 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); } if (scale < 0.1) { 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 height = 49; QRectF r(x0, 0, width - 3, height); paint->drawRect(r); if (m_new) { paint->save(); paint->setPen(Qt::yellow); paint->drawRect(QRectF(x0 - 2, -2, width + 1, height + 4)); paint->restore(); } if (m_current) { paint->drawRect(QRectF(x0 - 4, -4, width + 5, height + 8)); } if (scale < 0.2) { paint->restore(); return; } paint->fillRect(QRectF(x0 + 0.5, 0.5, width - 4, fh - 0.5), QBrush(userColour)); paint->setPen(QPen(Qt::white)); int wid = width - 5; QString person = TextAbbrev::abbreviate(m_changeset->authorName(), fm, wid); paint->drawText(x0 + 3, fm.ascent(), person); paint->setPen(QPen(Qt::black)); 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); } } 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 = width - 3; branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid); paint->drawText(x0, -fh + fm.ascent() - 4, branch); f.setBold(false); paint->restore(); } fm = QFontMetrics(f); fh = fm.height(); paint->setFont(f); QString comment = m_changeset->comment().trimmed(); comment = comment.replace("\\n", " "); comment = comment.replace(QRegExp("^\"\\s*\\**\\s*"), ""); comment = comment.replace(QRegExp("\"$"), ""); comment = comment.replace("\\\"", "\""); wid = width - 5; int nlines = (height / fh) - 1; if (nlines < 1) nlines = 1; comment = TextAbbrev::abbreviate(comment, fm, wid, TextAbbrev::ElideEnd, "...", nlines); QStringList lines = comment.split('\n'); for (int i = 0; i < lines.size(); ++i) { paint->drawText(x0 + 3, i * fh + fh + fm.ascent(), lines[i].trimmed()); } paint->restore(); }