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dont highlight terms in very big docs: too slow

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This commit is contained in:
dockes 2006-01-30 10:01:05 +00:00
parent ce622e2be4
commit 92b5cb001d
1 changed files with 61 additions and 49 deletions
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108
src/qtgui/preview/preview.ui.h
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@ -420,7 +420,7 @@ bool Preview::loadFileInCurrentTab(string fn, size_t sz, const Rcl::Doc &idoc)
// Create progress dialog and aux objects // Create progress dialog and aux objects
const int nsteps = 20; const int nsteps = 20;
QProgressDialog progress(msg, tr("Cancel"), nsteps, this, "Loading", FALSE); QProgressDialog progress(msg, tr("Cancel"), nsteps, this, "Loading", FALSE);
progress.setMinimumDuration(1000); progress.setMinimumDuration(2000);
WaiterThread waiter(100); WaiterThread waiter(100);
// Load and convert file // Load and convert file
@ -456,45 +456,53 @@ bool Preview::loadFileInCurrentTab(string fn, size_t sz, const Rcl::Doc &idoc)
// Reset config just in case. // Reset config just in case.
rclconfig->setKeyDir(""); rclconfig->setKeyDir("");
// Create preview text: highlight search terms: // Create preview text: highlight search terms (if not too big):
progress.setLabelText(tr("Creating preview text"));
list<string> terms;
rcldb->getQueryTerms(terms);
list<pair<int, int> > termoffsets;
QString richTxt; QString richTxt;
ToRichThread rthr(fdoc.text, terms, termoffsets, richTxt); list<pair<int, int> > termoffsets;
rthr.start(); bool highlightTerms = fdoc.text.length() < 1000 *1024;
for (;;prog++) { if (highlightTerms) {
waiter.start(); waiter.wait(); progress.setLabelText(tr("Creating preview text"));
if (rthr.finished()) list<string> terms;
break; rcldb->getQueryTerms(terms);
progress.setProgress(prog , prog <= nsteps-1 ? nsteps : prog+1); ToRichThread rthr(fdoc.text, terms, termoffsets, richTxt);
qApp->processEvents(); rthr.start();
if (progress.wasCanceled()) {
CancelCheck::instance().setCancel(); for (;;prog++) {
cancel = true; waiter.start(); waiter.wait();
if (rthr.finished())
break;
progress.setProgress(prog , prog <= nsteps-1 ? nsteps : prog+1);
qApp->processEvents();
if (progress.wasCanceled()) {
CancelCheck::instance().setCancel();
cancel = true;
}
if (prog >= 5)
sleep(1);
} }
if (prog >= 5) if (cancel) {
sleep(1); if (richTxt.length() == 0) {
} // We cant call closeCurrentTab here as it might delete
if (cancel) { // the object which would be a nasty surprise to our
if (richTxt.length() == 0) { // caller.
// We cant call closeCurrentTab here as it might delete return false;
// the object which would be a nasty surprise to our } else {
// caller. richTxt += "<b>Cancelled !</b>";
return false; }
} else {
richTxt += "<b>Cancelled !</b>";
} }
} else {
richTxt = fdoc.text.c_str();
} }
// Load into editor // Load into editor
QTextEdit *editor = getCurrentEditor(); QTextEdit *editor = getCurrentEditor();
QStyleSheetItem *item = if (highlightTerms) {
new QStyleSheetItem(editor->styleSheet(), "termtag" ); QStyleSheetItem *item =
item->setColor("blue"); new QStyleSheetItem(editor->styleSheet(), "termtag" );
item->setFontWeight(QFont::Bold); item->setColor("blue");
item->setFontWeight(QFont::Bold);
}
prog = 2 * nsteps / 3; prog = 2 * nsteps / 3;
progress.setLabelText(tr("Loading preview text into editor")); progress.setLabelText(tr("Loading preview text into editor"));
@ -507,12 +515,13 @@ bool Preview::loadFileInCurrentTab(string fn, size_t sz, const Rcl::Doc &idoc)
l = MIN(CHUNKL, richTxt.length() - pos); l = MIN(CHUNKL, richTxt.length() - pos);
// Avoid breaking inside a tag. Our tags are short (ie: <br>) // Avoid breaking inside a tag. Our tags are short (ie: <br>)
for (int i = -4; i < 0; i++) { if (pos + l != richTxt.length())
if (richTxt[pos+l+i] == '<') { for (int i = -15; i < 0; i++) {
l = l+i; if (richTxt[pos+l+i] == '<') {
break; l = l+i;
break;
}
} }
}
editor->append(richTxt.mid(pos, l)); editor->append(richTxt.mid(pos, l));
// Stay at top // Stay at top
@ -527,17 +536,20 @@ bool Preview::loadFileInCurrentTab(string fn, size_t sz, const Rcl::Doc &idoc)
break; break;
} }
} }
int para = 0, index = 1;
if (!termoffsets.empty()) {
index = (termoffsets.begin())->first;
LOGDEB(("Set cursor position: para %d, character index %d\n",
para,index));
editor->setCursorPosition(0, index);
}
editor->ensureCursorVisible();
editor->getCursorPosition(&para, &index);
LOGDEB(("PREVIEW len %d paragraphs: %d. Cpos: %d %d\n", if (highlightTerms) {
editor->length(), editor->paragraphs(), para, index)); int para = 0, index = 1;
if (!termoffsets.empty()) {
index = (termoffsets.begin())->first;
LOGDEB(("Set cursor position: para %d, character index %d\n",
para,index));
editor->setCursorPosition(0, index);
}
editor->ensureCursorVisible();
editor->getCursorPosition(&para, &index);
LOGDEB(("PREVIEW len %d paragraphs: %d. Cpos: %d %d\n",
editor->length(), editor->paragraphs(), para, index));
}
return true; return true;
} }