lyx_mirror/src/frontends/qt4/FindAndReplace.cpp

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/**
* \file FindAndReplace.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Tommaso Cucinotta
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "FindAndReplace.h"
#include "GuiApplication.h"
#include "GuiView.h"
#include "GuiWorkArea.h"
#include "qt_helpers.h"
#include "buffer_funcs.h"
#include "BufferParams.h"
#include "BufferList.h"
#include "Cursor.h"
#include "FuncRequest.h"
#include "lyxfind.h"
#include "output_latex.h"
#include "OutputParams.h"
#include "TexRow.h"
#include "frontends/alert.h"
#include "support/debug.h"
#include "support/filetools.h"
#include "support/FileName.h"
#include "support/gettext.h"
#include "support/lassert.h"
#include "support/lstrings.h"
#include <QCloseEvent>
#include <QLineEdit>
#include <QMenu>
#include <iostream>
using namespace std;
using namespace lyx::support;
namespace lyx {
namespace frontend {
FindAndReplaceWidget::FindAndReplaceWidget(GuiView & view)
: view_(view)
{
setupUi(this);
#if QT_VERSION < 0x040400
scrollArea->setWidget(scrollAreaWidgetContents);
#endif
find_work_area_->setGuiView(view_);
find_work_area_->init();
setFocusProxy(find_work_area_);
replace_work_area_->setGuiView(view_);
replace_work_area_->init();
// We don't want two cursors blinking.
replace_work_area_->stopBlinkingCursor();
QMenu * menu = new QMenu();
QAction * regAny = menu->addAction(qt_("&Anything"));
regAny->setData(".*");
QAction * regAnyNonEmpty = menu->addAction(qt_("Any non-&empty"));
regAnyNonEmpty->setData(".+");
QAction * regAnyWord = menu->addAction(qt_("Any &word"));
regAnyWord->setData("[a-z]+");
QAction * regAnyNumber = menu->addAction(qt_("Any &number"));
regAnyNumber->setData("[0-9]+");
QAction * regCustom = menu->addAction(qt_("&User-defined"));
regCustom->setData("");
regexpInsertPB->setMenu(menu);
connect(menu, SIGNAL(triggered(QAction *)),
this, SLOT(insertRegexp(QAction *)));
}
bool FindAndReplaceWidget::eventFilter(QObject * obj, QEvent * event)
{
if (event->type() != QEvent::KeyPress
|| (obj != find_work_area_ && obj != replace_work_area_))
return QWidget::eventFilter(obj, event);
QKeyEvent * e = static_cast<QKeyEvent *> (event);
switch (e->key()) {
case Qt::Key_Escape:
if (e->modifiers() == Qt::NoModifier) {
hideDialog();
return true;
}
break;
case Qt::Key_Enter:
case Qt::Key_Return:
if (e->modifiers() == Qt::ShiftModifier) {
if (obj == find_work_area_)
on_findPrevPB_clicked();
else
on_replacePrevPB_clicked();
return true;
} else if (e->modifiers() == Qt::NoModifier) {
if (obj == find_work_area_)
on_findNextPB_clicked();
else
on_replaceNextPB_clicked();
return true;
}
break;
case Qt::Key_Tab:
if (e->modifiers() == Qt::NoModifier) {
if (obj == find_work_area_){
LYXERR(Debug::FIND, "Focusing replace WA");
replace_work_area_->setFocus();
return true;
}
}
break;
case Qt::Key_Backtab:
if (obj == replace_work_area_) {
LYXERR(Debug::FIND, "Focusing find WA");
find_work_area_->setFocus();
return true;
}
break;
default:
break;
}
// standard event processing
return QWidget::eventFilter(obj, event);
}
static docstring buffer_to_latex(Buffer & buffer) {
OutputParams runparams(&buffer.params().encoding());
odocstringstream os;
runparams.nice = true;
runparams.flavor = OutputParams::LATEX;
runparams.linelen = 80; //lyxrc.plaintext_linelen;
// No side effect of file copying and image conversion
runparams.dryrun = true;
buffer.texrow().reset();
ParagraphList::const_iterator pit = buffer.paragraphs().begin();
ParagraphList::const_iterator const end = buffer.paragraphs().end();
for (; pit != end; ++pit) {
TeXOnePar(buffer, buffer.text(),
pit, os, buffer.texrow(), runparams);
LYXERR(Debug::FIND, "searchString up to here: "
<< os.str());
}
return os.str();
}
static vector<string> const & allManualsFiles() {
static vector<string> v;
static const char * files[] = {
"Intro", "UserGuide", "Tutorial", "Additional",
"EmbeddedObjects", "Math", "Customization", "Shortcuts",
"LFUNs", "LaTeXConfig"
};
if (v.empty()) {
FileName fname;
for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); ++i) {
fname = i18nLibFileSearch("doc", files[i], "lyx");
v.push_back(fname.absFilename());
}
}
return v;
}
/** Switch p_buf to point to next document buffer.
**
** Return true if restarted from master-document buffer.
**
** @note
** Not using p_buf->allRelatives() here, because I'm not sure
** whether or not the returned order is independent of p_buf.
**/
static bool next_document_buffer(Buffer * & p_buf) {
Buffer *p_master = p_buf;
Buffer *p_old;
do {
p_old = p_master;
p_master = const_cast<Buffer *>(p_master->masterBuffer());
LYXERR(Debug::FIND, "p_old="
<< p_old
<< ", p_master="
<< p_master);
} while (p_master != p_old);
LASSERT(p_master != NULL, /**/);
vector<Buffer *> v_children;
/* Root master added as first buffer in the vector */
v_children.push_back(p_master);
p_master->getChildren(v_children, true);
LYXERR(Debug::FIND, "v_children.size()=" << v_children.size());
vector<Buffer *>::const_iterator it =
find(v_children.begin(), v_children.end(), p_buf);
LASSERT(it != v_children.end(), /**/)
++it;
if (it == v_children.end()) {
p_buf = *v_children.begin();
return true;
}
p_buf = *it;
return false;
}
/** Switch p_buf to point to previous document buffer.
**
** Return true if restarted from last child buffer.
**
** @note
** Not using p_buf->allRelatives() here, because I'm not sure
** whether or not the returned order is independent of p_buf.
**/
static bool prev_document_buffer(Buffer * & p_buf) {
Buffer *p_master = p_buf;
Buffer *p_old;
do {
p_old = p_master;
p_master = const_cast<Buffer *>(p_master->masterBuffer());
LYXERR(Debug::FIND,
"p_old=" << p_old
<< ", p_master=" << p_master);
} while (p_master != p_old);
LASSERT(p_master != NULL, /**/);
vector<Buffer *> v_children;
/* Root master added as first buffer in the vector */
v_children.push_back(p_master);
p_master->getChildren(v_children, true);
LYXERR(Debug::FIND, "v_children.size()=" << v_children.size());
vector<Buffer *>::const_iterator it =
find(v_children.begin(), v_children.end(), p_buf);
LASSERT(it != v_children.end(), /**/)
if (it == v_children.begin()) {
it = v_children.end();
--it;
p_buf = *it;
return true;
}
--it;
p_buf = *it;
return false;
}
/** Switch buf to point to next or previous buffer in search scope.
**
** Return true if restarted from scratch.
**/
static bool next_prev_buffer(Buffer * & buf,
FindAndReplaceOptions const & opt)
{
bool restarted = false;
switch (opt.scope) {
case FindAndReplaceOptions::S_BUFFER:
restarted = true;
break;
case FindAndReplaceOptions::S_DOCUMENT:
if (opt.forward)
restarted = next_document_buffer(buf);
else
restarted = prev_document_buffer(buf);
break;
case FindAndReplaceOptions::S_OPEN_BUFFERS:
if (opt.forward) {
buf = theBufferList().next(buf);
restarted = buf == *theBufferList().begin();
} else {
buf = theBufferList().previous(buf);
restarted = buf == *(theBufferList().end() - 1);
}
break;
case FindAndReplaceOptions::S_ALL_MANUALS:
vector<string> const & v = allManualsFiles();
vector<string>::const_iterator it =
find(v.begin(), v.end(), buf->absFileName());
if (it == v.end()) {
it = v.begin();
} else if (opt.forward) {
++it;
if (it == v.end()) {
it = v.begin();
restarted = true;
}
} else {
if (it == v.begin()) {
it = v.end();
restarted = true;
}
--it;
}
FileName const & fname = FileName(*it);
if (!theBufferList().exists(fname)) {
guiApp->currentView()->setBusy(false);
guiApp->currentView()->loadDocument(fname, false);
guiApp->currentView()->setBusy(true);
}
buf = theBufferList().getBuffer(fname);
break;
}
return restarted;
}
/** Find the finest question message to post to the user */
docstring question_string(FindAndReplaceOptions const & opt)
{
docstring scope;
switch (opt.scope) {
case FindAndReplaceOptions::S_BUFFER:
scope = _("file[[scope]]");
break;
case FindAndReplaceOptions::S_DOCUMENT:
scope = _("master document[[scope]]");
break;
case FindAndReplaceOptions::S_OPEN_BUFFERS:
scope = _("open files[[scope]]");
break;
case FindAndReplaceOptions::S_ALL_MANUALS:
scope = _("manuals[[scope]]");
break;
}
docstring message = opt.forward ?
bformat(_("End of %1$s reached while searching forward.\n"
"Continue searching from begin?"),
scope) :
bformat(_("Beginning of %1$s reached while searching backwards.\n"
"Continue searching from end?"),
scope);
return message;
}
void FindAndReplaceWidget::findAndReplaceScope(FindAndReplaceOptions & opt)
{
int wrap_answer = -1;
ostringstream oss;
oss << opt;
FuncRequest cmd(LFUN_WORD_FINDADV, from_utf8(oss.str()));
BufferView * bv = view_.documentBufferView();
Buffer * buf = &bv->buffer();
Buffer * buf_orig = &bv->buffer();
Cursor cur_orig(bv->cursor());
if (opt.scope == FindAndReplaceOptions::S_ALL_MANUALS) {
vector<string> const & v = allManualsFiles();
if (std::find(v.begin(), v.end(), buf->absFileName()) == v.end()) {
FileName const & fname = FileName(*v.begin());
if (!theBufferList().exists(fname)) {
guiApp->currentView()->setBusy(false);
guiApp->currentView()->loadDocument(fname, false);
guiApp->currentView()->setBusy(true);
}
buf = theBufferList().getBuffer(fname);
lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
buf->absFileName()));
bv = view_.documentBufferView();
bv->cursor().clear();
bv->cursor().push_back(CursorSlice(buf->inset()));
}
}
do {
LYXERR(Debug::FIND, "Dispatching LFUN_WORD_FINDADV");
dispatch(cmd);
if (bv->cursor().result().dispatched()) {
// Match found, selected and replaced if needed
return;
}
// No match found in current buffer:
// select next buffer in scope, if any
bool prompt = next_prev_buffer(buf, opt);
if (prompt) {
if (wrap_answer != -1)
break;
docstring q = question_string(opt);
wrap_answer = frontend::Alert::prompt(
_("Wrap search?"), q,
0, 1, _("&Yes"), _("&No"));
if (wrap_answer == 1)
break;
}
lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
buf->absFileName()));
bv = view_.documentBufferView();
if (opt.forward) {
bv->cursor().clear();
bv->cursor().push_back(CursorSlice(buf->inset()));
} else {
lyx::dispatch(FuncRequest(LFUN_BUFFER_END));
bv->cursor().setCursor(doc_iterator_end(buf));
bv->cursor().backwardPos();
LYXERR(Debug::FIND, "findBackAdv5: cur: "
<< bv->cursor());
}
bv->clearSelection();
} while (wrap_answer != 1);
if (buf != buf_orig)
lyx::dispatch(FuncRequest(LFUN_BUFFER_SWITCH,
buf_orig->absFileName()));
bv = view_.documentBufferView();
bv->cursor() = cur_orig;
}
void FindAndReplaceWidget::findAndReplace(
bool casesensitive, bool matchword, bool backwards,
bool expandmacros, bool ignoreformat, bool replace,
bool keep_case)
{
Buffer & buffer = find_work_area_->bufferView().buffer();
docstring searchString;
if (!ignoreformat) {
searchString = buffer_to_latex(buffer);
} else {
ParIterator it = buffer.par_iterator_begin();
ParIterator end = buffer.par_iterator_end();
OutputParams runparams(&buffer.params().encoding());
odocstringstream os;
runparams.nice = true;
runparams.flavor = OutputParams::LATEX;
runparams.linelen = 100000; //lyxrc.plaintext_linelen;
runparams.dryrun = true;
for (; it != end; ++it) {
LYXERR(Debug::FIND, "Adding to search string: '"
<< it->asString(false)
<< "'");
searchString +=
it->stringify(pos_type(0), it->size(),
AS_STR_INSETS, runparams);
}
}
if (to_utf8(searchString).empty()) {
buffer.message(_("Nothing to search"));
return;
}
bool const regexp =
to_utf8(searchString).find("\\regexp") != std::string::npos;
docstring replaceString;
if (replace) {
Buffer & repl_buffer =
replace_work_area_->bufferView().buffer();
ostringstream oss;
repl_buffer.write(oss);
//buffer_to_latex(replace_buffer);
replaceString = from_utf8(oss.str());
} else {
replaceString = from_utf8(LYX_FR_NULL_STRING);
}
FindAndReplaceOptions::SearchScope scope =
FindAndReplaceOptions::S_BUFFER;
if (CurrentDocument->isChecked())
scope = FindAndReplaceOptions::S_BUFFER;
else if (MasterDocument->isChecked())
scope = FindAndReplaceOptions::S_DOCUMENT;
else if (OpenDocuments->isChecked())
scope = FindAndReplaceOptions::S_OPEN_BUFFERS;
else if (AllManualsRB->isChecked())
scope = FindAndReplaceOptions::S_ALL_MANUALS;
else
LASSERT(false, /**/);
LYXERR(Debug::FIND, "FindAndReplaceOptions: "
<< "searchstring=" << searchString
<< ", casesensitiv=" << casesensitive
<< ", matchword=" << matchword
<< ", backwards=" << backwards
<< ", expandmacros=" << expandmacros
<< ", ignoreformat=" << ignoreformat
<< ", regexp=" << regexp
<< ", replaceString" << replaceString
<< ", keep_case=" << keep_case
<< ", scope=" << scope);
FindAndReplaceOptions opt(searchString, casesensitive, matchword,
!backwards, expandmacros, ignoreformat,
regexp, replaceString, keep_case, scope);
view_.setBusy(true);
findAndReplaceScope(opt);
view_.setBusy(false);
}
void FindAndReplaceWidget::findAndReplace(bool backwards, bool replace)
{
if (! view_.currentMainWorkArea()) {
view_.message(_("No open document(s) in which to search"));
return;
}
// FIXME: create a Dialog::returnFocus()
// or something instead of this:
view_.setCurrentWorkArea(view_.currentMainWorkArea());
findAndReplace(caseCB->isChecked(),
wordsCB->isChecked(),
backwards,
expandMacrosCB->isChecked(),
ignoreFormatCB->isChecked(),
replace,
keepCaseCB->isChecked());
}
void FindAndReplaceWidget::insertRegexp(QAction * action)
{
string const regexp = fromqstr(action->data().toString());
LYXERR(Debug::FIND, "Regexp: " << regexp);
find_work_area_->setFocus();
Cursor & cur = find_work_area_->bufferView().cursor();
if (!cur.inRegexped())
dispatch(FuncRequest(LFUN_REGEXP_MODE));
dispatch(FuncRequest(LFUN_SELF_INSERT, regexp));
}
void FindAndReplaceWidget::hideDialog()
{
dispatch(FuncRequest(LFUN_DIALOG_TOGGLE, "findreplaceadv"));
}
void FindAndReplaceWidget::on_findNextPB_clicked() {
findAndReplace(false, false);
find_work_area_->setFocus();
}
void FindAndReplaceWidget::on_findPrevPB_clicked() {
findAndReplace(true, false);
find_work_area_->setFocus();
}
void FindAndReplaceWidget::on_replaceNextPB_clicked()
{
findAndReplace(false, true);
replace_work_area_->setFocus();
}
void FindAndReplaceWidget::on_replacePrevPB_clicked()
{
findAndReplace(true, true);
replace_work_area_->setFocus();
}
void FindAndReplaceWidget::on_replaceallPB_clicked()
{
replace_work_area_->setFocus();
}
void FindAndReplaceWidget::showEvent(QShowEvent * /* ev */)
{
view_.setCurrentWorkArea(find_work_area_);
LYXERR(Debug::FIND, "Selecting entire find buffer");
dispatch(FuncRequest(LFUN_BUFFER_BEGIN));
dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
find_work_area_->installEventFilter(this);
replace_work_area_->installEventFilter(this);
}
void FindAndReplaceWidget::hideEvent(QHideEvent *ev)
{
replace_work_area_->removeEventFilter(this);
find_work_area_->removeEventFilter(this);
this->QWidget::hideEvent(ev);
}
bool FindAndReplaceWidget::initialiseParams(std::string const & /*params*/)
{
return true;
}
FindAndReplace::FindAndReplace(GuiView & parent,
Qt::DockWidgetArea area, Qt::WindowFlags flags)
: DockView(parent, "Find LyX", qt_("Advanced Find and Replace"),
area, flags)
{
widget_ = new FindAndReplaceWidget(parent);
setWidget(widget_);
setFocusProxy(widget_);
}
FindAndReplace::~FindAndReplace()
{
setFocusProxy(0);
delete widget_;
}
bool FindAndReplace::initialiseParams(std::string const & params)
{
return widget_->initialiseParams(params);
}
Dialog * createGuiSearchAdv(GuiView & lv)
{
return new FindAndReplace(lv, Qt::RightDockWidgetArea);
}
} // namespace frontend
} // namespace lyx
#include "moc_FindAndReplace.cpp"