annotate src/changesetitem.cpp @ 392:cf18694f64a3 item_appearance_adjustments

Draw star after (above) branch name
author Chris Cannam <chris.cannam@eecs.qmul.ac.uk>
date Tue, 24 May 2011 17:39:42 +0100
parents 1a811e7721f1
children 0c826f07929f
rev   line source
Chris@57 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@57 2
Chris@57 3 /*
Chris@57 4 EasyMercurial
Chris@57 5
Chris@57 6 Based on HgExplorer by Jari Korhonen
Chris@57 7 Copyright (c) 2010 Jari Korhonen
Chris@244 8 Copyright (c) 2011 Chris Cannam
Chris@244 9 Copyright (c) 2011 Queen Mary, University of London
Chris@57 10
Chris@57 11 This program is free software; you can redistribute it and/or
Chris@57 12 modify it under the terms of the GNU General Public License as
Chris@57 13 published by the Free Software Foundation; either version 2 of the
Chris@57 14 License, or (at your option) any later version. See the file
Chris@57 15 COPYING included with this distribution for more information.
Chris@57 16 */
Chris@57 17
Chris@43 18 #include "changesetitem.h"
Chris@281 19 #include "changesetscene.h"
Chris@117 20 #include "changesetdetailitem.h"
Chris@43 21 #include "changeset.h"
Chris@53 22 #include "textabbrev.h"
Chris@53 23 #include "colourset.h"
Chris@117 24 #include "debug.h"
Chris@43 25
Chris@43 26 #include <QPainter>
Chris@117 27 #include <QGraphicsScene>
Chris@132 28 #include <QGraphicsSceneMouseEvent>
Chris@140 29 #include <QMenu>
Chris@140 30 #include <QAction>
Chris@140 31 #include <QLabel>
Chris@140 32 #include <QWidgetAction>
Chris@153 33 #include <QApplication>
Chris@153 34 #include <QClipboard>
Chris@43 35
Chris@390 36 QImage *ChangesetItem::m_star = 0;
Chris@390 37
Chris@53 38 ChangesetItem::ChangesetItem(Changeset *cs) :
Chris@117 39 m_changeset(cs), m_detail(0),
Chris@133 40 m_showBranch(false), m_column(0), m_row(0), m_wide(false),
Chris@133 41 m_current(false), m_new(false)
Chris@53 42 {
Chris@53 43 m_font = QFont();
Chris@53 44 m_font.setPixelSize(11);
Chris@53 45 m_font.setBold(false);
Chris@53 46 m_font.setItalic(false);
Chris@168 47 setCursor(Qt::ArrowCursor);
Chris@390 48
Chris@390 49 if (!m_star) m_star = new QImage(":images/star.png");
Chris@53 50 }
Chris@53 51
Chris@141 52 QString
Chris@141 53 ChangesetItem::getId()
Chris@141 54 {
Chris@141 55 return m_changeset->id();
Chris@141 56 }
Chris@141 57
Chris@43 58 QRectF
Chris@43 59 ChangesetItem::boundingRect() const
Chris@43 60 {
Chris@55 61 int w = 100;
Chris@55 62 if (m_wide) w = 180;
Chris@250 63 return QRectF(-((w-50)/2 - 1), -30, w - 3, 90);
Chris@43 64 }
Chris@43 65
Chris@43 66 void
Chris@119 67 ChangesetItem::showDetail()
Chris@117 68 {
Chris@119 69 if (m_detail) return;
Chris@117 70 m_detail = new ChangesetDetailItem(m_changeset);
Chris@117 71 m_detail->setZValue(zValue() + 1);
Chris@117 72 scene()->addItem(m_detail);
Chris@117 73 int w = 100;
Chris@117 74 if (m_wide) w = 180;
Chris@387 75 if (isMerge()) w = 60;
Chris@124 76 int h = 80;
Chris@124 77 // m_detail->moveBy(x() - (m_detail->boundingRect().width() - 50) / 2,
Chris@124 78 // y() + 60);
Chris@124 79 m_detail->moveBy(x() + (w + 50) / 2 + 10 + 0.5,
Chris@124 80 y() - (m_detail->boundingRect().height() - h) / 2 + 0.5);
Chris@119 81 emit detailShown();
Chris@119 82 }
Chris@119 83
Chris@119 84 void
Chris@119 85 ChangesetItem::hideDetail()
Chris@119 86 {
Chris@124 87 if (!m_detail) return;
Chris@124 88 scene()->removeItem(m_detail);
Chris@119 89 delete m_detail;
Chris@119 90 m_detail = 0;
Chris@119 91 emit detailHidden();
Chris@119 92 }
Chris@119 93
Chris@119 94 void
Chris@119 95 ChangesetItem::mousePressEvent(QGraphicsSceneMouseEvent *e)
Chris@119 96 {
Chris@119 97 DEBUG << "ChangesetItem::mousePressEvent" << endl;
Chris@132 98 if (e->button() == Qt::LeftButton) {
Chris@132 99 if (m_detail) {
Chris@132 100 hideDetail();
Chris@132 101 } else {
Chris@132 102 showDetail();
Chris@132 103 }
Chris@140 104 } else if (e->button() == Qt::RightButton) {
Chris@141 105 if (m_detail) {
Chris@141 106 hideDetail();
Chris@141 107 }
Chris@140 108 activateMenu();
Chris@119 109 }
Chris@117 110 }
Chris@117 111
Chris@117 112 void
Chris@140 113 ChangesetItem::activateMenu()
Chris@140 114 {
Chris@153 115 m_parentDiffActions.clear();
Chris@288 116 m_summaryActions.clear();
Chris@153 117
Chris@140 118 QMenu *menu = new QMenu;
Chris@165 119 QLabel *label = new QLabel(tr("<qt><b>&nbsp;Revision: </b>%1</qt>")
Chris@165 120 .arg(Changeset::hashOf(m_changeset->id())));
Chris@141 121 QWidgetAction *wa = new QWidgetAction(menu);
Chris@140 122 wa->setDefaultWidget(label);
Chris@140 123 menu->addAction(wa);
Chris@140 124 menu->addSeparator();
Chris@141 125
Chris@153 126 QAction *copyId = menu->addAction(tr("Copy identifier to clipboard"));
Chris@153 127 connect(copyId, SIGNAL(triggered()), this, SLOT(copyIdActivated()));
Chris@141 128
Chris@289 129 QAction *stat = menu->addAction(tr("Summarise changes"));
Chris@289 130 connect(stat, SIGNAL(triggered()), this, SLOT(showSummaryActivated()));
Chris@289 131
Chris@289 132 menu->addSeparator();
Chris@289 133
Chris@281 134 QStringList parents = m_changeset->parents();
Chris@153 135
Chris@288 136 QString leftId, rightId;
Chris@288 137 bool havePositions = false;
Chris@288 138
Chris@281 139 if (parents.size() > 1) {
Chris@281 140 ChangesetScene *cs = dynamic_cast<ChangesetScene *>(scene());
Chris@281 141 if (cs && parents.size() == 2) {
Chris@281 142 ChangesetItem *i0 = cs->getItemById(parents[0]);
Chris@281 143 ChangesetItem *i1 = cs->getItemById(parents[1]);
Chris@281 144 if (i0 && i1) {
Chris@281 145 if (i0->x() < i1->x()) {
Chris@281 146 leftId = parents[0];
Chris@281 147 rightId = parents[1];
Chris@281 148 } else {
Chris@281 149 leftId = parents[1];
Chris@281 150 rightId = parents[0];
Chris@281 151 }
Chris@281 152 havePositions = true;
Chris@281 153 }
Chris@281 154 }
Chris@288 155 }
Chris@281 156
Chris@288 157 if (parents.size() > 1) {
Chris@288 158 if (havePositions) {
Chris@281 159
Chris@288 160 QAction *diff = menu->addAction(tr("Diff to left parent"));
Chris@288 161 connect(diff, SIGNAL(triggered()), this, SLOT(diffToParentActivated()));
Chris@288 162 m_parentDiffActions[diff] = leftId;
Chris@281 163
Chris@288 164 diff = menu->addAction(tr("Diff to right parent"));
Chris@288 165 connect(diff, SIGNAL(triggered()), this, SLOT(diffToParentActivated()));
Chris@288 166 m_parentDiffActions[diff] = rightId;
Chris@281 167
Chris@281 168 } else {
Chris@281 169
Chris@281 170 foreach (QString parentId, parents) {
Chris@288 171 QString text = tr("Diff to parent %1").arg(Changeset::hashOf(parentId));
Chris@288 172 QAction *diff = menu->addAction(text);
Chris@288 173 connect(diff, SIGNAL(triggered()), this, SLOT(diffToParentActivated()));
Chris@288 174 m_parentDiffActions[diff] = parentId;
Chris@281 175 }
Chris@153 176 }
Chris@153 177
Chris@153 178 } else {
Chris@153 179
Chris@288 180 QAction *diff = menu->addAction(tr("Diff to parent"));
Chris@288 181 connect(diff, SIGNAL(triggered()), this, SLOT(diffToParentActivated()));
Chris@153 182 }
Chris@153 183
Chris@153 184 QAction *diffCurrent = menu->addAction(tr("Diff to current working folder"));
Chris@141 185 connect(diffCurrent, SIGNAL(triggered()), this, SLOT(diffToCurrentActivated()));
Chris@141 186
Chris@140 187 menu->addSeparator();
Chris@141 188
Chris@153 189 QAction *update = menu->addAction(tr("Update to this revision"));
Chris@153 190 connect(update, SIGNAL(triggered()), this, SLOT(updateActivated()));
Chris@153 191
Chris@140 192 QAction *merge = menu->addAction(tr("Merge from here to current"));
Chris@141 193 connect(merge, SIGNAL(triggered()), this, SLOT(mergeActivated()));
Chris@153 194
Chris@153 195 menu->addSeparator();
Chris@153 196
Chris@278 197 QAction *branch = menu->addAction(tr("Start new branch..."));
Chris@278 198 branch->setEnabled(m_current);
Chris@278 199 connect(branch, SIGNAL(triggered()), this, SLOT(newBranchActivated()));
Chris@278 200
Chris@153 201 QAction *tag = menu->addAction(tr("Add tag..."));
Chris@141 202 connect(tag, SIGNAL(triggered()), this, SLOT(tagActivated()));
Chris@141 203
Chris@148 204 menu->exec(QCursor::pos());
Chris@148 205
Chris@141 206 ungrabMouse();
Chris@140 207 }
Chris@140 208
Chris@153 209 void
Chris@153 210 ChangesetItem::copyIdActivated()
Chris@153 211 {
Chris@153 212 QClipboard *clipboard = QApplication::clipboard();
Chris@153 213 clipboard->setText(Changeset::hashOf(m_changeset->id()));
Chris@153 214 }
Chris@153 215
Chris@153 216 void ChangesetItem::diffToParentActivated()
Chris@153 217 {
Chris@153 218 QAction *a = qobject_cast<QAction *>(sender());
Chris@153 219 QString parentId;
Chris@153 220 if (m_parentDiffActions.contains(a)) {
Chris@153 221 parentId = m_parentDiffActions[a];
Chris@153 222 DEBUG << "ChangesetItem::diffToParentActivated: specific parent "
Chris@153 223 << parentId << " selected" << endl;
Chris@153 224 } else {
Chris@153 225 parentId = m_changeset->parents()[0];
Chris@153 226 DEBUG << "ChangesetItem::diffToParentActivated: "
Chris@153 227 << "no specific parent selected, using first parent "
Chris@153 228 << parentId << endl;
Chris@153 229 }
Chris@153 230
Chris@153 231 emit diffToParent(getId(), parentId);
Chris@153 232 }
Chris@153 233
Chris@289 234 void ChangesetItem::showSummaryActivated()
Chris@288 235 {
Chris@289 236 emit showSummary(m_changeset);
Chris@288 237 }
Chris@288 238
Chris@141 239 void ChangesetItem::updateActivated() { emit updateTo(getId()); }
Chris@141 240 void ChangesetItem::diffToCurrentActivated() { emit diffToCurrent(getId()); }
Chris@141 241 void ChangesetItem::mergeActivated() { emit mergeFrom(getId()); }
Chris@141 242 void ChangesetItem::tagActivated() { emit tag(getId()); }
Chris@278 243 void ChangesetItem::newBranchActivated() { emit newBranch(getId()); }
Chris@141 244
Chris@140 245 void
Chris@288 246 ChangesetItem::paint(QPainter *paint, const QStyleOptionGraphicsItem *, QWidget *)
Chris@43 247 {
Chris@387 248 if (isMerge()) {
Chris@387 249 paintMerge(paint);
Chris@387 250 } else {
Chris@387 251 paintNormal(paint);
Chris@387 252 }
Chris@387 253 }
Chris@387 254
Chris@387 255 bool
Chris@387 256 ChangesetItem::isMerge() const
Chris@387 257 {
Chris@387 258 return (m_changeset && m_changeset->parents().size() > 1);
Chris@387 259 }
Chris@387 260
Chris@387 261 void
Chris@387 262 ChangesetItem::paintNormal(QPainter *paint)
Chris@387 263 {
Chris@53 264 paint->save();
Chris@53 265
Chris@53 266 ColourSet *colourSet = ColourSet::instance();
Chris@53 267 QColor branchColour = colourSet->getColourFor(m_changeset->branch());
Chris@128 268 QColor userColour = colourSet->getColourFor(m_changeset->author());
Chris@53 269
Chris@53 270 QFont f(m_font);
Chris@53 271
Chris@54 272 QTransform t = paint->worldTransform();
Chris@53 273 float scale = std::min(t.m11(), t.m22());
Chris@53 274 if (scale > 1.0) {
Chris@53 275 int ps = int((f.pixelSize() / scale) + 0.5);
Chris@53 276 if (ps < 8) ps = 8;
Chris@53 277 f.setPixelSize(ps);
Chris@53 278 }
Chris@54 279
Chris@250 280 bool showText = (scale >= 0.2);
Chris@250 281 bool showProperLines = (scale >= 0.1);
Chris@250 282
Chris@250 283 if (!showProperLines) {
Chris@54 284 paint->setPen(QPen(branchColour, 0));
Chris@54 285 } else {
Chris@54 286 paint->setPen(QPen(branchColour, 2));
Chris@54 287 }
Chris@53 288
Chris@53 289 paint->setFont(f);
Chris@53 290 QFontMetrics fm(f);
Chris@53 291 int fh = fm.height();
Chris@55 292
Chris@55 293 int width = 100;
Chris@55 294 if (m_wide) width = 180;
Chris@55 295 int x0 = -((width - 50) / 2 - 1);
Chris@55 296
Chris@250 297 int textwid = width - 7;
Chris@250 298
Chris@250 299 QString comment;
Chris@250 300 QStringList lines;
Chris@250 301 int lineCount = 3;
Chris@250 302
Chris@250 303 if (showText) {
Chris@250 304
Chris@250 305 comment = m_changeset->comment().trimmed();
Chris@250 306 comment = comment.replace("\\n", " ");
Chris@250 307 comment = comment.replace(QRegExp("^\"\\s*\\**\\s*"), "");
Chris@250 308 comment = comment.replace(QRegExp("\"$"), "");
Chris@250 309 comment = comment.replace("\\\"", "\"");
Chris@250 310
Chris@250 311 comment = TextAbbrev::abbreviate(comment, fm, textwid,
Chris@250 312 TextAbbrev::ElideEnd, "...", 3);
Chris@250 313 // abbreviate() changes this (ouch!), restore it
Chris@250 314 textwid = width - 5;
Chris@250 315
Chris@250 316 lines = comment.split('\n');
Chris@250 317 lineCount = lines.size();
Chris@250 318
Chris@250 319 if (lineCount < 2) lineCount = 2;
Chris@250 320 }
Chris@250 321
Chris@250 322 int height = (lineCount + 1) * fh + 2;
Chris@56 323 QRectF r(x0, 0, width - 3, height);
Chris@250 324
Chris@250 325 if (showProperLines) {
Chris@250 326
Chris@250 327 paint->setBrush(Qt::white);
Chris@250 328
Chris@250 329 if (m_current) {
Chris@386 330 paint->drawRoundedRect(QRectF(x0 - 4, -4, width + 5, height + 8),
Chris@386 331 10, 10);
Chris@250 332 }
Chris@250 333
Chris@250 334 if (m_new) {
Chris@250 335 paint->save();
Chris@250 336 paint->setPen(Qt::yellow);
Chris@250 337 paint->setBrush(Qt::NoBrush);
Chris@386 338 paint->drawRoundedRect(QRectF(x0 - 2, -2, width + 1, height + 4),
Chris@386 339 10, 10);
Chris@250 340 paint->restore();
Chris@250 341 }
Chris@250 342 }
Chris@250 343
Chris@250 344 if (!showText) {
Chris@386 345 paint->drawRoundedRect(r, 7, 7);
Chris@53 346 paint->restore();
Chris@53 347 return;
Chris@53 348 }
Chris@53 349
Chris@386 350 paint->save();
Chris@386 351 paint->setPen(Qt::NoPen);
Chris@386 352 paint->drawRoundedRect(r, 7, 7);
Chris@386 353 paint->setBrush(QBrush(userColour));
Chris@386 354 paint->drawRoundedRect(QRectF(x0 + 0.5, 0.5, width - 4, fh - 0.5), 7, 7);
chris@391 355 paint->drawRect(QRectF(x0 + 0.5, fh/2.0, width - 4, fh/2.0));
Chris@386 356 paint->restore();
Chris@53 357
Chris@53 358 paint->setPen(QPen(Qt::white));
Chris@53 359
Chris@250 360 QString person = TextAbbrev::abbreviate(m_changeset->authorName(),
Chris@250 361 fm, textwid);
Chris@55 362 paint->drawText(x0 + 3, fm.ascent(), person);
Chris@53 363
Chris@53 364 paint->setPen(QPen(Qt::black));
Chris@53 365
Chris@147 366 QStringList tags = m_changeset->tags();
Chris@147 367 if (!tags.empty()) {
Chris@147 368 QStringList nonTipTags;
Chris@147 369 foreach (QString t, tags) {
Chris@147 370 // I'm not convinced that showing the tip tag really
Chris@147 371 // works; I think perhaps it confuses as much as it
Chris@147 372 // illuminates. But also, our current implementation
Chris@147 373 // doesn't interact well with it because it moves -- it's
Chris@147 374 // the one thing that can actually (in normal use) change
Chris@147 375 // inside an existing changeset record even during an
Chris@147 376 // incremental update
Chris@147 377 if (t != "tip") nonTipTags.push_back(t);
Chris@147 378 }
Chris@147 379 if (!nonTipTags.empty()) {
Chris@147 380 QString tagText = nonTipTags.join(" ").trimmed();
Chris@147 381 int tw = fm.width(tagText);
Chris@147 382 paint->fillRect(QRectF(x0 + width - 8 - tw, 1, tw + 4, fh - 1),
Chris@147 383 QBrush(Qt::yellow));
Chris@147 384 paint->drawText(x0 + width - 6 - tw, fm.ascent(), tagText);
Chris@147 385 }
Chris@128 386 }
Chris@128 387
Chris@386 388 paint->setPen(QPen(branchColour, 2));
Chris@386 389 paint->setBrush(Qt::NoBrush);
Chris@386 390 paint->drawRoundedRect(r, 7, 7);
Chris@386 391
Chris@74 392 if (m_showBranch) {
Chris@56 393 // write branch name
Chris@153 394 paint->save();
Chris@56 395 f.setBold(true);
Chris@56 396 paint->setFont(f);
Chris@153 397 paint->setPen(QPen(branchColour));
Chris@56 398 QString branch = m_changeset->branch();
Chris@74 399 if (branch == "") branch = "default";
Chris@56 400 int wid = width - 3;
Chris@56 401 branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid);
Chris@56 402 paint->drawText(x0, -fh + fm.ascent() - 4, branch);
Chris@56 403 f.setBold(false);
Chris@153 404 paint->restore();
Chris@56 405 }
Chris@56 406
chris@392 407 if (m_current && showProperLines) {
chris@392 408 paint->setRenderHint(QPainter::SmoothPixmapTransform, true);
chris@392 409 int starSize = fh * 1.5;
chris@392 410 paint->drawImage(QRectF(x0 + width - starSize,
chris@392 411 -fh, starSize, starSize),
chris@392 412 *m_star);
chris@392 413 }
chris@392 414
Chris@53 415 paint->setFont(f);
Chris@53 416
Chris@53 417 for (int i = 0; i < lines.size(); ++i) {
Chris@55 418 paint->drawText(x0 + 3, i * fh + fh + fm.ascent(), lines[i].trimmed());
Chris@53 419 }
Chris@53 420
Chris@53 421 paint->restore();
Chris@43 422 }
Chris@387 423
Chris@387 424 void
Chris@387 425 ChangesetItem::paintMerge(QPainter *paint)
Chris@387 426 {
Chris@387 427 paint->save();
Chris@387 428
Chris@387 429 ColourSet *colourSet = ColourSet::instance();
Chris@387 430 QColor branchColour = colourSet->getColourFor(m_changeset->branch());
Chris@387 431 QColor userColour = colourSet->getColourFor(m_changeset->author());
Chris@387 432
Chris@387 433 QFont f(m_font);
Chris@387 434
Chris@387 435 QTransform t = paint->worldTransform();
Chris@387 436 float scale = std::min(t.m11(), t.m22());
Chris@387 437 if (scale > 1.0) {
Chris@387 438 int ps = int((f.pixelSize() / scale) + 0.5);
Chris@387 439 if (ps < 8) ps = 8;
Chris@387 440 f.setPixelSize(ps);
Chris@387 441 }
Chris@387 442
Chris@387 443 bool showText = (scale >= 0.2);
Chris@387 444 bool showProperLines = (scale >= 0.1);
Chris@387 445
Chris@387 446 if (!showProperLines) {
Chris@387 447 paint->setPen(QPen(branchColour, 0));
Chris@387 448 } else {
Chris@387 449 paint->setPen(QPen(branchColour, 2));
Chris@387 450 }
Chris@387 451
Chris@387 452 paint->setFont(f);
Chris@387 453 QFontMetrics fm(f);
Chris@387 454 int fh = fm.height();
Chris@387 455 int size = fh * 2;
Chris@387 456 int x0 = -size/2 + 25;
Chris@387 457
Chris@387 458 paint->setBrush(Qt::white);
Chris@390 459
Chris@390 460 if (showProperLines) {
Chris@390 461
Chris@390 462 if (m_current) {
Chris@390 463 paint->drawEllipse(QRectF(x0 - 4, fh - 4, size + 8, size + 8));
Chris@390 464 }
Chris@390 465
Chris@390 466 if (m_new) {
Chris@390 467 paint->save();
Chris@390 468 paint->setPen(Qt::yellow);
Chris@390 469 paint->setBrush(Qt::NoBrush);
Chris@390 470 paint->drawEllipse(QRectF(x0 - 2, fh - 2, size + 4, size + 4));
Chris@390 471 paint->restore();
Chris@390 472 }
Chris@390 473 }
Chris@390 474
Chris@387 475 paint->drawEllipse(QRectF(x0, fh, size, size));
Chris@387 476
Chris@387 477 if (m_showBranch) {
Chris@387 478 // write branch name
Chris@387 479 paint->save();
Chris@387 480 f.setBold(true);
Chris@387 481 paint->setFont(f);
Chris@387 482 paint->setPen(QPen(branchColour));
Chris@387 483 QString branch = m_changeset->branch();
Chris@387 484 if (branch == "") branch = "default";
Chris@387 485 int wid = size * 3;
Chris@387 486 branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid);
Chris@387 487 paint->drawText(-wid/2 + 25, fm.ascent() - 4, branch);
Chris@387 488 f.setBold(false);
Chris@387 489 paint->restore();
Chris@387 490 }
Chris@387 491
Chris@390 492 if (m_current && showProperLines) {
Chris@390 493 paint->setRenderHint(QPainter::SmoothPixmapTransform, true);
Chris@390 494 int starSize = fh * 1.5;
Chris@390 495 paint->drawImage(QRectF(x0 + size - starSize/2,
Chris@390 496 0, starSize, starSize),
Chris@390 497 *m_star);
Chris@390 498 }
Chris@390 499
Chris@387 500 paint->restore();
Chris@387 501 }
Chris@387 502