in preview window if search line empty look for search terms

This commit is contained in:
dockes 2007-05-23 09:19:48 +00:00
parent ad1e16bce0
commit 2174327a7e
5 changed files with 87 additions and 74 deletions

View File

@ -1,5 +1,5 @@
#ifndef lint
static char rcsid[] = "@(#$Id: plaintorich.cpp,v 1.20 2007-01-19 15:22:50 dockes Exp $ (C) 2005 J.F.Dockes";
static char rcsid[] = "@(#$Id: plaintorich.cpp,v 1.21 2007-05-23 09:19:48 dockes Exp $ (C) 2005 J.F.Dockes";
#endif
/*
* This program is free software; you can redistribute it and/or modify
@ -301,12 +301,32 @@ bool myTextSplitCB::matchGroups()
return true;
}
const char *firstTermAnchorName = "FIRSTTERM";
// Setting searchable beacons in the text to walk the term list.
static const char *termAnchorNameBase = "FIRSTTERM";
string termAnchorName(int i)
{
char acname[sizeof(termAnchorNameBase) + 20];
sprintf(acname, "%s%d", termAnchorNameBase, i);
return string(acname);
}
#ifdef QT_SCROLL_TO_ANCHOR_BUG
const char *firstTermBeacon = "\xe2\xa0\x91\xe2\x96\x9f\x20\x01\x9a";
// 0xcd8f is utf8 for unicode 034F COMBINING GRAPHEME JOINER
// Qt doesn't display it, but accepts to search for it.
const char *firstTermBeacon = "\xcd\x8f\xcd\x8f\xcd\x8f\xcd\x8f";
#endif
static string termBeacon(int i)
{
return string("<a name=\"") + termAnchorName(i) + "\">"
#ifdef QT_SCROLL_TO_ANCHOR_BUG
+ "<font color=\"white\">" + firstTermBeacon + "</font>"
#endif
+ "</a>";
}
// Fix result text for display inside the gui text window.
//
// To compute the term character positions in the output text, we used
@ -318,7 +338,7 @@ const char *firstTermBeacon = "\xe2\xa0\x91\xe2\x96\x9f\x20\x01\x9a";
// editor's find() function to position on it
bool plaintorich(const string& in, string& out,
const HiliteData& hdata,
bool noHeader, bool fft)
bool noHeader, bool)
{
Chrono chron;
out.erase();
@ -375,26 +395,21 @@ bool plaintorich(const string& in, string& out,
Utf8Iter chariter(in);
// State variable used to limitate the number of consecutive empty lines
int ateol = 0;
// State variable to update the char pos only for the first of
// consecutive blank chars
int atblank = 0;
// Stuff for numbered anchors at each term match
int anchoridx = 1;
for (string::size_type pos = 0; pos != string::npos; pos = chariter++) {
if ((pos & 0xfff) == 0) {
CancelCheck::instance().checkCancel();
}
// If we still have terms positions, check (byte) position
// If we still have terms positions, check (byte) position. If
// we are at or after a term match, mark.
if (tPosIt != tboffsend) {
int ibyteidx = chariter.getBpos();
if (fft && ibyteidx == cb.m_firstTermBPos) {
out += string("<a name=\"") + firstTermAnchorName + "\"> "
#ifdef QT_SCROLL_TO_ANCHOR_BUG
+ "<font color=\"white\"> " + firstTermBeacon + " </font> "
#endif
+ "</a>";
}
if (ibyteidx == tPosIt->first) {
out += termBeacon(anchoridx++);
out += "<termtag>";
} else if (ibyteidx == tPosIt->second) {
// Output end tag, then skip all highlight areas that
@ -405,6 +420,7 @@ bool plaintorich(const string& in, string& out,
tPosIt++;
}
}
switch(*chariter) {
case '\n':
if (ateol < 2) {
@ -424,11 +440,8 @@ bool plaintorich(const string& in, string& out,
break;
default:
// We don't change the eol status for whitespace, want a real line
if (*chariter == ' ' || *chariter == '\t') {
atblank = 1;
} else {
if (!(*chariter == ' ' || *chariter == '\t')) {
ateol = 0;
atblank = 0;
}
chariter.appendchartostring(out);
}

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@ -16,7 +16,7 @@
*/
#ifndef _PLAINTORICH_H_INCLUDED_
#define _PLAINTORICH_H_INCLUDED_
/* @(#$Id: plaintorich.h,v 1.12 2007-01-19 15:22:50 dockes Exp $ (C) 2004 J.F.Dockes */
/* @(#$Id: plaintorich.h,v 1.13 2007-05-23 09:19:48 dockes Exp $ (C) 2004 J.F.Dockes */
#include <string>
@ -46,7 +46,7 @@ extern bool plaintorich(const string &in, string &out,
bool noHeader = false,
bool fft = false);
extern const char *firstTermAnchorName;
extern string termAnchorName(int i);
#define QT_SCROLL_TO_ANCHOR_BUG
#ifdef QT_SCROLL_TO_ANCHOR_BUG

View File

@ -102,7 +102,7 @@
<cstring>nextButton</cstring>
</property>
<property name="enabled">
<bool>false</bool>
<bool>true</bool>
</property>
<property name="text">
<string>&amp;Next</string>
@ -116,7 +116,7 @@
<cstring>prevButton</cstring>
</property>
<property name="enabled">
<bool>false</bool>
<bool>true</bool>
</property>
<property name="text">
<string>&amp;Previous</string>

View File

@ -1,5 +1,5 @@
#ifndef lint
static char rcsid[] = "@(#$Id: preview_w.cpp,v 1.17 2007-02-19 18:15:14 dockes Exp $ (C) 2005 J.F.Dockes";
static char rcsid[] = "@(#$Id: preview_w.cpp,v 1.18 2007-05-23 09:19:48 dockes Exp $ (C) 2005 J.F.Dockes";
#endif
/*
* This program is free software; you can redistribute it and/or modify
@ -159,7 +159,7 @@ bool Preview::eventFilter(QObject *target, QEvent *event)
if (tw)
e = (QWidget *)tw->child("pvEdit");
LOGDEB1(("Widget: %p, edit %p, target %p\n", tw, e, target));
if (e && target == tw && keyEvent->key() == Qt::Key_Slash) {
if (e && target == e && keyEvent->key() == Qt::Key_Slash) {
searchTextLine->setFocus();
dynSearchActive = true;
return true;
@ -174,13 +174,13 @@ void Preview::searchTextLine_textChanged(const QString & text)
LOGDEB1(("search line text changed. text: '%s'\n", text.ascii()));
if (text.isEmpty()) {
dynSearchActive = false;
nextButton->setEnabled(false);
prevButton->setEnabled(false);
// nextButton->setEnabled(false);
// prevButton->setEnabled(false);
clearPB->setEnabled(false);
} else {
dynSearchActive = true;
nextButton->setEnabled(true);
prevButton->setEnabled(true);
// nextButton->setEnabled(true);
// prevButton->setEnabled(true);
clearPB->setEnabled(true);
doSearch(text, false, false);
}
@ -206,54 +206,55 @@ QTextEdit *Preview::getCurrentEditor()
// current search, trying to advance and possibly wrapping around. If next is
// false, the search string has been modified, we search for the new string,
// starting from the current position
void Preview::doSearch(const QString &text, bool next, bool reverse,
void Preview::doSearch(const QString &_text, bool next, bool reverse,
bool wordOnly)
{
LOGDEB1(("Preview::doSearch: [%s] next %d rev %d\n",
(const char *)text.utf8(), int(next), int(reverse)));
if (text.isEmpty())
return;
LOGDEB(("Preview::doSearch: [%s] next %d rev %d\n",
(const char *)_text.utf8(), int(next), int(reverse)));
QString text = _text;
if (text.isEmpty()) {
#ifdef QT_SCROLL_TO_ANCHOR_BUG
text = QString::fromUtf8(firstTermBeacon);
#endif
}
QTextEdit *edit = getCurrentEditor();
if (edit == 0) {
// ??
return;
}
bool matchCase = matchCheck->isChecked();
int mspara, msindex, mepara, meindex;
edit->getSelection(&mspara, &msindex, &mepara, &meindex);
if (mspara == -1)
mspara = msindex = mepara = meindex = 0;
if (next) {
// We search again, starting from the current match
if (reverse) {
// when searching backwards, have to move back one char
if (msindex > 0)
msindex --;
else if (mspara > 0) {
mspara --;
msindex = edit->paragraphLength(mspara);
}
} else {
// Forward search: start from end of selection
mspara = mepara;
msindex = meindex;
LOGDEB1(("New para: %d index %d\n", mspara, msindex));
}
bool matchCase = matchCheck->isChecked();
LOGDEB(("Preview::doSearch: find: case %d word %d fw %d\n",
matchCase, wordOnly, !reverse));
// If the search text changed we need to reset the cursor position
// to the start of the previous match, else incremental search is
// going to look for the next occurrence instead of trying to
// lenghten the current match
if (!next) {
int ps, is, pe, ie;
edit->getSelection(&ps, &is, &pe, &ie);
if (is > 0)
is--;
else if (ps > 0)
ps--;
LOGDEB(("Setting cursor to %d %d\n", ps, is));
edit->setCursorPosition(ps, is);
}
bool found = edit->find(text, matchCase, wordOnly,
!reverse, &mspara, &msindex);
LOGDEB(("Found at para: %d index %d\n", mspara, msindex));
if (!found && next && true) { // need a 'canwrap' test here
bool found = edit->find(text, matchCase, wordOnly, !reverse, 0, 0);
// If not found, try to wrap around.
if (!found && next) {
LOGDEB(("Preview::doSearch: wrapping around\n"));
int mspara, msindex;
if (reverse) {
mspara = edit->paragraphs();
msindex = edit->paragraphLength(mspara);
} else {
mspara = msindex = 0;
}
found = edit->find(text, matchCase, false, !reverse, &mspara, &msindex);
found = edit->find(text,matchCase, false, !reverse, &mspara, &msindex);
}
if (found) {
@ -622,7 +623,7 @@ bool Preview::loadFileInCurrentTab(string fn, size_t sz, const Rcl::Doc &idoc,
// Create preview text: highlight search terms (if not too big):
QString richTxt;
bool highlightTerms = fdoc.text.length() < 1000 *1024;
bool highlightTerms = fdoc.text.length() < 2000 * 1024;
if (highlightTerms) {
progress.setLabelText(tr("Creating preview text"));
ToRichThread rthr(fdoc.text, m_hData, richTxt);
@ -657,7 +658,7 @@ bool Preview::loadFileInCurrentTab(string fn, size_t sz, const Rcl::Doc &idoc,
}
}
} else {
richTxt = fdoc.text.c_str();
richTxt = QString::fromUtf8(fdoc.text.c_str(), fdoc.text.length());
}
// Load into editor
@ -708,20 +709,18 @@ bool Preview::loadFileInCurrentTab(string fn, size_t sz, const Rcl::Doc &idoc,
canBeep = true;
doSearch(searchTextLine->text(), true, false);
} else {
QString aname = QString::fromUtf8(firstTermAnchorName);
QString aname = QString::fromUtf8(termAnchorName(1).c_str());
LOGDEB2(("Calling scrolltoanchor [%s]\n", (const char *)aname.utf8()));
editor->scrollToAnchor(aname);
#ifdef QT_SCROLL_TO_ANCHOR_BUG
bool wasC = matchCheck->isChecked();
matchCheck->setChecked(false);
bool ocanbeep = canBeep;
canBeep = false;
doSearch(QString::fromUtf8(firstTermBeacon), 0, false, false);
QString empty;
doSearch(empty, 0, false, false);
canBeep = ocanbeep;
editor->del();
matchCheck->setChecked(wasC);
#endif
}
editor->setFocus();
emit(previewExposed(m_searchId, docnum));
return true;
}

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@ -1,6 +1,6 @@
#ifndef _PREVIEW_W_H_INCLUDED_
#define _PREVIEW_W_H_INCLUDED_
/* @(#$Id: preview_w.h,v 1.9 2007-02-19 18:15:14 dockes Exp $ (C) 2006 J.F.Dockes */
/* @(#$Id: preview_w.h,v 1.10 2007-05-23 09:19:48 dockes Exp $ (C) 2006 J.F.Dockes */
/*
* 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
@ -39,8 +39,9 @@ class TabData {
QWidget *w; // widget for setCurrent
int docnum; // Index of doc in db search results.
TabData(QWidget *wi) : w(wi) {}
TabData(QWidget *wi)
: w(wi), docnum(-1)
{}
};
class QTextEdit;