src/revsview.cpp

   1 /*
   2         Description: qgit revision list view
   3
   4         Author: Marco Costalba (C) 2005-2007
   5
   6         Copyright: See COPYING file that comes with this distribution
   7
   8 */
   9 #include <QMenu>
  10 #include <QStackedWidget>
  11 #include "common.h"
  12 #include "git.h"
  13 #include "domain.h"
  14 #include "treeview.h"
  15 #include "listview.h"
  16 #include "filelist.h"
  17 #include "revdesc.h"
  18 #include "patchview.h"
  19 #include "smartbrowse.h"
  20 #include "mainimpl.h"
  21 #include "revsview.h"
  22
  23 RevsView::RevsView(MainImpl* mi, Git* g, bool isMain) : Domain(mi, g, isMain) {
  24
  25         revTab = new Ui_TabRev();
  26         revTab->setupUi(container);
  27
  28         tab()->listViewLog->setup(this, g);
  29         tab()->textBrowserDesc->setup(this);
  30         tab()->textEditDiff->setup(this, git);
  31         tab()->fileList->setup(this, git);
  32         m()->treeView->setup(this, git);
  33
  34         setTabLogDiffVisible(QGit::testFlag(QGit::LOG_DIFF_TAB_F));
  35
  36         SmartBrowse* sb = new SmartBrowse(this);
  37
  38         // restore geometry
  39         QVector<QSplitter*> v;
  40         v << tab()->horizontalSplitter << tab()->verticalSplitter;
  41         QGit::restoreGeometrySetting(QGit::REV_GEOM_KEY, NULL, &v);
  42
  43         connect(m(), SIGNAL(typeWriterFontChanged()),
  44                 tab()->textEditDiff, SLOT(typeWriterFontChanged()));
  45
  46         connect(m(), SIGNAL(flagChanged(uint)),
  47                 sb, SLOT(flagChanged(uint)));
  48
  49         connect(git, SIGNAL(newRevsAdded(const FileHistory*, const QVector<ShaString>&)),
  50                 this, SLOT(on_newRevsAdded(const FileHistory*, const QVector<ShaString>&)));
  51
  52         connect(git, SIGNAL(loadCompleted(const FileHistory*, const QString&)),
  53                 this, SLOT(on_loadCompleted(const FileHistory*, const QString&)));
  54
  55         connect(m(), SIGNAL(changeFont(const QFont&)),
  56                 tab()->listViewLog, SLOT(on_changeFont(const QFont&)));
  57
  58         connect(m(), SIGNAL(updateRevDesc()), this, SLOT(on_updateRevDesc()));
  59
  60         connect(tab()->listViewLog, SIGNAL(lanesContextMenuRequested(const QStringList&,
  61                 const QStringList&)), this, SLOT(on_lanesContextMenuRequested
  62                (const QStringList&, const QStringList&)));
  63
  64         connect(tab()->listViewLog, SIGNAL(revisionsDragged(const QStringList&)),
  65                 m(), SLOT(revisionsDragged(const QStringList&)));
  66
  67         connect(tab()->listViewLog, SIGNAL(revisionsDropped(const QStringList&)),
  68                 m(), SLOT(revisionsDropped(const QStringList&)));
  69
  70         connect(tab()->listViewLog, SIGNAL(contextMenu(const QString&, int)),
  71                 this, SLOT(on_contextMenu(const QString&, int)));
  72
  73         connect(m()->treeView, SIGNAL(contextMenu(const QString&, int)),
  74                 this, SLOT(on_contextMenu(const QString&, int)));
  75
  76         connect(tab()->fileList, SIGNAL(contextMenu(const QString&, int)),
  77                 this, SLOT(on_contextMenu(const QString&, int)));
  78
  79         connect(m(), SIGNAL(changeFont(const QFont&)),
  80                tab()->fileList, SLOT(on_changeFont(const QFont&)));
  81
  82         connect(m(), SIGNAL(highlightPatch(const QString&, bool)),
  83                 tab()->textEditDiff, SLOT(on_highlightPatch(const QString&, bool)));
  84 }
  85
  86 RevsView::~RevsView() {
  87
  88         if (!parent())
  89                 return;
  90
  91         QVector<QSplitter*> v;
  92         v << tab()->horizontalSplitter << tab()->verticalSplitter;
  93         QGit::saveGeometrySetting(QGit::REV_GEOM_KEY, NULL, &v);
  94
  95         // manually delete before container is removed in Domain
  96         // d'tor to avoid a crash due to spurious events in
  97         // SmartBrowse::eventFilter()
  98         delete tab()->textBrowserDesc;
  99         delete tab()->textEditDiff;
 100
 101         delete linkedPatchView;
 102         delete revTab;
 103 }
 104
 105 void RevsView::clear(bool complete) {
 106
 107         Domain::clear(complete);
 108
 109         tab()->textBrowserDesc->clear();
 110         tab()->textEditDiff->clear();
 111         tab()->fileList->clear();
 112         m()->treeView->clear();
 113         updateLineEditSHA(true);
 114         if (linkedPatchView)
 115                 linkedPatchView->clear();
 116 }
 117
 118 void RevsView::setEnabled(bool b) {
 119
 120         container->setEnabled(b);
 121         if (linkedPatchView)
 122                 linkedPatchView->tabPage()->setEnabled(b);
 123 }
 124
 125 void RevsView::toggleDiffView() {
 126
 127         QStackedWidget* s = tab()->stackedPanes;
 128         QTabWidget* t = tab()->tabLogDiff;
 129
 130         bool isTabPage = (s->currentIndex() == 0);
 131         int idx = (isTabPage ? t->currentIndex() : s->currentIndex());
 132
 133         bool old = container->updatesEnabled();
 134         container->setUpdatesEnabled(false);
 135
 136         if (isTabPage)
 137                 t->setCurrentIndex(1 - idx);
 138         else
 139                 s->setCurrentIndex(3 - idx);
 140
 141         container->setUpdatesEnabled(old);
 142 }
 143
 144 void RevsView::setTabLogDiffVisible(bool b) {
 145
 146         QStackedWidget* s = tab()->stackedPanes;
 147         QTabWidget* t = tab()->tabLogDiff;
 148
 149         bool isTabPage = (s->currentIndex() == 0);
 150         int idx = (isTabPage ? t->currentIndex() : s->currentIndex());
 151
 152         container->setUpdatesEnabled(false);
 153
 154         if (b && !isTabPage) {
 155
 156                 t->addTab(tab()->textBrowserDesc, "Log");
 157                 t->addTab(tab()->textEditDiff, "Diff");
 158
 159                 t->setCurrentIndex(idx - 1);
 160                 s->setCurrentIndex(0);
 161         }
 162         if (!b && isTabPage) {
 163
 164                 s->addWidget(tab()->textBrowserDesc);
 165                 s->addWidget(tab()->textEditDiff);
 166
 167                 // manually remove the two remaining empty pages
 168                 t->removeTab(0); t->removeTab(0);
 169
 170                 s->setCurrentIndex(idx + 1);
 171         }
 172         container->setUpdatesEnabled(true);
 173 }
 174
 175 void RevsView::viewPatch(bool newTab) {
 176
 177         if (!newTab && linkedPatchView) {
 178                 m()->tabWdg->setCurrentWidget(linkedPatchView->tabPage());
 179                 return;
 180         }
 181         PatchView* pv = new PatchView(m(), git);
 182         m()->tabWdg->addTab(pv->tabPage(), "&Patch");
 183         m()->tabWdg->setCurrentWidget(pv->tabPage());
 184
 185         if (!newTab) { // linkedPatchView == NULL
 186                 linkedPatchView = pv;
 187                 linkDomain(linkedPatchView);
 188
 189                 connect(m(), SIGNAL(highlightPatch(const QString&, bool)),
 190                         pv->tab()->textEditDiff, SLOT(on_highlightPatch(const QString&, bool)));
 191
 192                 connect(pv->tab()->fileList, SIGNAL(itemDoubleClicked(QListWidgetItem*)),
 193                         m(), SLOT(fileList_itemDoubleClicked(QListWidgetItem*)));
 194         }
 195         connect(m(), SIGNAL(updateRevDesc()), pv, SLOT(on_updateRevDesc()));
 196         connect(m(), SIGNAL(closeAllTabs()), pv, SLOT(on_closeAllTabs()));
 197         pv->st = st;
 198         UPDATE_DM_MASTER(pv, false);
 199 }
 200
 201 void RevsView::on_newRevsAdded(const FileHistory* fh, const QVector<ShaString>&) {
 202
 203         if (!git->isMainHistory(fh) || !st.sha().isEmpty())
 204                 return;
 205
 206         ListView* lv = tab()->listViewLog;
 207         if (lv->model()->rowCount() == 0)
 208                 return;
 209
 210         st.setSha(lv->sha(0));
 211         st.setSelectItem(true);
 212         UPDATE(); // give feedback to user as soon as possible
 213 }
 214
 215 void RevsView::on_loadCompleted(const FileHistory* fh, const QString& stats) {
 216
 217         if (!git->isMainHistory(fh))
 218                 return;
 219
 220         UPDATE(); // restore revision after a refresh
 221         QApplication::postEvent(this, new MessageEvent(stats));
 222 }
 223
 224 void RevsView::on_updateRevDesc() {
 225
 226         SCRef d = m()->getRevisionDesc(st.sha());
 227         tab()->textBrowserDesc->setHtml(d);
 228 }
 229
 230 bool RevsView::doUpdate(bool force) {
 231
 232         force = force || m()->lineEditSHA->text().isEmpty();
 233
 234         bool found = tab()->listViewLog->update();
 235
 236         if (!found && !st.sha().isEmpty()) {
 237
 238                 const QString tmp("Sorry, revision " + st.sha() +
 239                                   " has not been found in main view");
 240                 showStatusBarMessage(tmp);
 241
 242         } else { // sha could be NULL
 243
 244                 if (st.isChanged(StateInfo::SHA) || force) {
 245
 246                         updateLineEditSHA();
 247                         on_updateRevDesc();
 248                         showStatusBarMessage(git->getRevInfo(st.sha()));
 249
 250                         if (   testFlag(QGit::MSG_ON_NEW_F)
 251                             && tab()->textEditDiff->isVisible())
 252                                 toggleDiffView();
 253                 }
 254                 const RevFile* files = NULL;
 255                 bool newFiles = false;
 256
 257                 if (st.isChanged(StateInfo::ANY & ~StateInfo::FILE_NAME) || force) {
 258
 259                         tab()->fileList->clear();
 260
 261                         if (linkedPatchView) // give some feedback while waiting
 262                                 linkedPatchView->clear();
 263
 264                         // blocking call, could be slow in case of all merge files
 265                         files = git->getFiles(st.sha(), st.diffToSha(), st.allMergeFiles());
 266                         newFiles = true;
 267
 268                         tab()->textEditDiff->update(st);
 269                 }
 270                 // call always to allow a simple refresh
 271                 tab()->fileList->update(files, newFiles);
 272
 273                 // update the tree at startup or when releasing a no-match toolbar search
 274                 if (m()->treeView->isVisible() || st.sha(false).isEmpty())
 275                         m()->treeView->updateTree(); // blocking call
 276
 277                 if (st.selectItem()) {
 278                         bool isDir = m()->treeView->isDir(st.fileName());
 279                         m()->updateContextActions(st.sha(), st.fileName(), isDir, found);
 280                 }
 281                 if (st.isChanged() || force) {
 282                         // activate log or diff tab depending on file selection
 283                         tab()->tabLogDiff->setCurrentIndex(st.fileName().isEmpty() ? 0 : 1);
 284                         tab()->textEditDiff->centerOnFileHeader(st);
 285                 }
 286
 287                 // at the end update diffs that is the slowest and must be
 288                 // run after update of file list for 'diff to sha' to work
 289                 if (linkedPatchView) {
 290                         linkedPatchView->st = st;
 291                         UPDATE_DM_MASTER(linkedPatchView, force); // async call
 292                 }
 293         }
 294         return (found || st.sha().isEmpty());
 295 }
 296
 297 void RevsView::updateLineEditSHA(bool clear) {
 298
 299         QLineEdit* l = m()->lineEditSHA;
 300
 301         if (clear)
 302                 l->setText(""); // clears history
 303
 304         else if (l->text() != st.sha()) {
 305
 306                 if (l->text().isEmpty())
 307                         l->setText(st.sha()); // first rev clears history
 308                 else {
 309                         // setText() clears undo/redo history so
 310                         // we use clear() + insert() instead
 311                         l->clear();
 312                         l->insert(st.sha());
 313                 }
 314         }
 315         m()->ActBack->setEnabled(l->isUndoAvailable());
 316         m()->ActForward->setEnabled(l->isRedoAvailable());
 317 }
 318
 319 void RevsView::on_lanesContextMenuRequested(SCList parents, SCList children) {
 320
 321         QMenu contextMenu;
 322         FOREACH_SL (it, children)
 323                 contextMenu.addAction("Child: " + git->getShortLog(*it));
 324
 325         FOREACH_SL (it, parents) {
 326                 QString log(git->getShortLog(*it));
 327                 contextMenu.addAction("Parent: " + (log.isEmpty() ? *it : log));
 328         }
 329         QAction* act = contextMenu.exec(QCursor::pos()); // modal exec
 330         if (!act)
 331                 return;
 332
 333         int cc = children.count();
 334         int id = contextMenu.actions().indexOf(act);
 335         SCRef target(id < cc ? children[id] : parents[id - cc]);
 336         st.setSha(target);
 337         UPDATE();
 338 }