src/patchview.cpp

   1 /*
   2         Description: patch viewer window
   3
   4         Author: Marco Costalba (C) 2005-2007
   5
   6         Copyright: See COPYING file that comes with this distribution
   7
   8 */
   9 #include <QScrollBar>
  10 #include "common.h"
  11 #include "git.h"
  12 #include "mainimpl.h"
  13 #include "patchcontent.h"
  14 #include "patchview.h"
  15
  16 PatchView::PatchView(MainImpl* mi, Git* g) : Domain(mi, g, false) {
  17
  18         patchTab = new Ui_TabPatch();
  19         patchTab->setupUi(container);
  20         SCRef ic(QString::fromUtf8(":/icons/resources/plusminus.png"));
  21         patchTab->buttonFilterPatch->setIcon(QIcon(ic));
  22
  23         QButtonGroup* bg = new QButtonGroup(this);
  24         bg->addButton(patchTab->radioButtonParent, DIFF_TO_PARENT);
  25         bg->addButton(patchTab->radioButtonHead, DIFF_TO_HEAD);
  26         bg->addButton(patchTab->radioButtonSha, DIFF_TO_SHA);
  27         connect(bg, SIGNAL(buttonClicked(int)), this, SLOT(button_clicked(int)));
  28
  29         patchTab->textBrowserDesc->setup(this);
  30         patchTab->textEditDiff->setup(this, git);
  31         patchTab->fileList->setup(this, git);
  32
  33         connect(m(), SIGNAL(typeWriterFontChanged()),
  34                 patchTab->textEditDiff, SLOT(typeWriterFontChanged()));
  35
  36         connect(m(), SIGNAL(changeFont(const QFont&)),
  37                patchTab->fileList, SLOT(on_changeFont(const QFont&)));
  38
  39         connect(patchTab->lineEditDiff, SIGNAL(returnPressed()),
  40                 this, SLOT(lineEditDiff_returnPressed()));
  41
  42         connect(patchTab->fileList, SIGNAL(contextMenu(const QString&, int)),
  43                 this, SLOT(on_contextMenu(const QString&, int)));
  44
  45         connect(patchTab->buttonFilterPatch, SIGNAL(clicked()),
  46                 this, SLOT(buttonFilterPatch_clicked()));
  47 }
  48
  49 PatchView::~PatchView() {
  50
  51         if (!parent())
  52                 return;
  53
  54         clear(); // to cancel any data loading
  55         delete patchTab;
  56 }
  57
  58 void PatchView::clear(bool complete) {
  59
  60         if (complete) {
  61                 st.clear();
  62                 patchTab->textBrowserDesc->clear();
  63                 patchTab->fileList->clear();
  64         }
  65         patchTab->textEditDiff->clear();
  66 }
  67
  68 void PatchView::buttonFilterPatch_clicked() {
  69
  70         QString ic;
  71         PatchContent* pc = patchTab->textEditDiff;
  72         pc->prevFilter = pc->curFilter;
  73         if (pc->curFilter == PatchContent::VIEW_ALL) {
  74                 pc->curFilter = PatchContent::VIEW_ADDED;
  75                 ic = QString::fromUtf8(":/icons/resources/plusonly.png");
  76
  77         } else if (pc->curFilter == PatchContent::VIEW_ADDED) {
  78                 pc->curFilter = PatchContent::VIEW_REMOVED;
  79                 ic = QString::fromUtf8(":/icons/resources/minusonly.png");
  80
  81         } else if (pc->curFilter == PatchContent::VIEW_REMOVED) {
  82                 pc->curFilter = PatchContent::VIEW_ALL;
  83                 ic = QString::fromUtf8(":/icons/resources/plusminus.png");
  84         }
  85         patchTab->buttonFilterPatch->setIcon(QIcon(ic));
  86         patchTab->textEditDiff->refresh();
  87 }
  88
  89 void PatchView::on_contextMenu(const QString& data, int type) {
  90
  91         if (isLinked()) // skip if not linked to main view
  92                 Domain::on_contextMenu(data, type);
  93 }
  94
  95 void PatchView::lineEditDiff_returnPressed() {
  96
  97         if (patchTab->lineEditDiff->text().isEmpty())
  98                 return;
  99
 100         patchTab->radioButtonSha->setChecked(true); // could be called by code
 101         button_clicked(DIFF_TO_SHA);
 102 }
 103
 104 void PatchView::button_clicked(int diffType) {
 105
 106         QString sha;
 107         switch (diffType) {
 108         case DIFF_TO_PARENT:
 109                 break;
 110         case DIFF_TO_HEAD:
 111                 sha = "HEAD";
 112                 break;
 113         case DIFF_TO_SHA:
 114                 sha = patchTab->lineEditDiff->text();
 115                 break;
 116         }
 117         if (sha == QGit::ZERO_SHA)
 118                 return;
 119
 120         // check for a ref name or an abbreviated form
 121         normalizedSha = (sha.length() != 40 && !sha.isEmpty() ? git->getRefSha(sha) : sha);
 122
 123         if (normalizedSha != st.diffToSha()) { // avoid looping
 124                 st.setDiffToSha(normalizedSha); // could be empty
 125                 UPDATE();
 126         }
 127 }
 128
 129 void PatchView::on_updateRevDesc() {
 130
 131         SCRef d = m()->getRevisionDesc(st.sha());
 132         patchTab->textBrowserDesc->setHtml(d);
 133 }
 134
 135 void PatchView::updatePatch() {
 136
 137         PatchContent* pc = patchTab->textEditDiff;
 138         pc->clear();
 139
 140         if (normalizedSha != st.diffToSha()) { // note <(null)> != <(empty)>
 141
 142                 if (!st.diffToSha().isEmpty()) {
 143                         patchTab->lineEditDiff->setText(st.diffToSha());
 144                         lineEditDiff_returnPressed();
 145
 146                 } else if (!normalizedSha.isEmpty()) {
 147                         normalizedSha = "";
 148                         // we cannot uncheck radioButtonSha directly
 149                         // because "Parent" button will stay off
 150                         patchTab->radioButtonParent->toggle();
 151                 }
 152         }
 153         pc->update(st); // non blocking
 154 }
 155
 156 bool PatchView::doUpdate(bool force) {
 157
 158         const RevFile* files = NULL;
 159         bool newFiles = false;
 160
 161         if (st.isChanged(StateInfo::SHA) || force) {
 162
 163                 if (!isLinked()) {
 164                         QString caption(git->getShortLog(st.sha()));
 165                         if (caption.length() > 30)
 166                                 caption = caption.left(30 - 3).trimmed().append("...");
 167
 168                         setTabCaption(caption);
 169                 }
 170                 on_updateRevDesc();
 171         }
 172
 173         if (st.isChanged(StateInfo::ANY & ~StateInfo::FILE_NAME) || force) {
 174
 175                 updatePatch();
 176                 patchTab->fileList->clear();
 177                 files = git->getFiles(st.sha(), st.diffToSha(), st.allMergeFiles());
 178                 newFiles = true;
 179         }
 180         // call always to allow a simple refresh
 181         patchTab->fileList->update(files, newFiles);
 182
 183         if (st.isChanged() || force)
 184                 patchTab->textEditDiff->centerOnFileHeader(st);
 185
 186         return true;
 187 }