mirror of
https://git.lyx.org/repos/lyx.git
synced 2024-09-21 07:12:10 +00:00
7c98b3bd37
baffled by that one. Various other cleanups, including a fixed version of lyxlex that doesn't destroy the preamble ... git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4854 a592a061-630c-0410-9148-cb99ea01b6c8
499 lines
12 KiB
C
499 lines
12 KiB
C
/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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*
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* Copyright 1995 Matthias Ettrich,
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* Copyright 1995-2001 The LyX Team.
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*
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* ====================================================== */
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#include <config.h>
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#include "lyx_cb.h"
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#include "lyx_main.h"
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#include "buffer.h"
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#include "bufferlist.h"
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#include "bufferview_funcs.h"
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#include "debug.h"
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#include "lastfiles.h"
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#include "lyxrc.h"
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#include "lyxtext.h"
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#include "gettext.h"
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#include "BufferView.h"
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#include "insets/insetlabel.h"
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#include "frontends/lyx_gui.h"
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#include "frontends/LyXView.h"
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#include "frontends/Alert.h"
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#include "frontends/FileDialog.h"
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#include "support/FileInfo.h"
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#include "support/filetools.h"
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#include "support/path.h"
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#include "support/systemcall.h"
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#include "support/lstrings.h"
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#include <fstream>
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#include <algorithm>
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#include <utility>
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#include <iostream>
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using std::vector;
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using std::ifstream;
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using std::copy;
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using std::endl;
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using std::ios;
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using std::back_inserter;
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using std::istream_iterator;
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using std::pair;
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using std::make_pair;
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extern BufferList bufferlist;
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// this should be static, but I need it in buffer.C
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bool quitting; // flag, that we are quitting the program
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void ShowMessage(Buffer const * buf,
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string const & msg1,
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string const & msg2,
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string const & msg3)
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{
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if (lyxrc.use_gui
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&& buf && buf->getUser() && buf->getUser()->owner()) {
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string const str = msg1 + ' ' + msg2 + ' ' + msg3;
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buf->getUser()->owner()->message(str);
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} else
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lyxerr << msg1 << msg2 << msg3 << endl;
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}
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//
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// Menu callbacks
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//
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//
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// File menu
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//
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// should be moved to lyxfunc.C
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bool MenuWrite(BufferView * bv, Buffer * buffer)
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{
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if (!buffer->save()) {
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if (Alert::askQuestion(_("Save failed. Rename and try again?"),
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MakeDisplayPath(buffer->fileName(), 50),
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_("(If not, document is not saved.)"))) {
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return WriteAs(bv, buffer);
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}
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return false;
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} else
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lastfiles->newFile(buffer->fileName());
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return true;
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}
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// should be moved to BufferView.C
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// Half of this func should be in LyXView, the rest in BufferView.
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bool WriteAs(BufferView * bv, Buffer * buffer, string const & filename)
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{
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string fname = buffer->fileName();
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string const oldname = fname;
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if (filename.empty()) {
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FileDialog fileDlg(bv->owner(),
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_("Choose a filename to save document as"),
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LFUN_WRITEAS,
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make_pair(string(_("Documents|#o#O")),
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string(lyxrc.document_path)),
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make_pair(string(_("Templates|#T#t")),
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string(lyxrc.template_path)));
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if (!IsLyXFilename(fname))
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fname += ".lyx";
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FileDialog::Result result =
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fileDlg.Select(OnlyPath(fname),
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_("*.lyx|LyX Documents (*.lyx)"),
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OnlyFilename(fname));
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if (result.first == FileDialog::Later)
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return false;
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fname = result.second;
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if (fname.empty())
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return false;
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// Make sure the absolute filename ends with appropriate suffix
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fname = MakeAbsPath(fname);
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if (!IsLyXFilename(fname))
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fname += ".lyx";
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} else
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fname = filename;
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// Same name as we have already?
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if (!buffer->isUnnamed() && fname == oldname) {
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if (!Alert::askQuestion(_("Same name as document already has:"),
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MakeDisplayPath(fname, 50),
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_("Save anyway?")))
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return false;
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// Falls through to name change and save
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}
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// No, but do we have another file with this name open?
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else if (!buffer->isUnnamed() && bufferlist.exists(fname)) {
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if (Alert::askQuestion(_("Another document with same name open!"),
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MakeDisplayPath(fname, 50),
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_("Replace with current document?")))
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{
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bufferlist.close(bufferlist.getBuffer(fname));
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// Ok, change the name of the buffer, but don't save!
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buffer->setFileName(fname);
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buffer->markDirty();
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ShowMessage(buffer, _("Document renamed to '"),
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MakeDisplayPath(fname), _("', but not saved..."));
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}
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return false;
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} // Check whether the file exists
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else {
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FileInfo const myfile(fname);
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if (myfile.isOK() && !Alert::askQuestion(_("Document already exists:"),
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MakeDisplayPath(fname, 50),
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_("Replace file?")))
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return false;
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}
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// Ok, change the name of the buffer
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buffer->setFileName(fname);
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buffer->markDirty();
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bool unnamed = buffer->isUnnamed();
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buffer->setUnnamed(false);
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if (!MenuWrite(bv, buffer)) {
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buffer->setFileName(oldname);
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buffer->setUnnamed(unnamed);
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ShowMessage(buffer, _("Document could not be saved!"),
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_("Holding the old name."), MakeDisplayPath(oldname));
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return false;
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}
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// now remove the oldname autosave file if existant!
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removeAutosaveFile(oldname);
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return true;
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}
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int MenuRunChktex(Buffer * buffer)
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{
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int ret;
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if (buffer->isSGML()) {
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Alert::alert(_("Chktex does not work with SGML derived documents."));
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return 0;
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} else
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ret = buffer->runChktex();
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if (ret >= 0) {
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string s;
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string t;
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if (ret == 0) {
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s = _("No warnings found.");
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} else if (ret == 1) {
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s = _("One warning found.");
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t = _("Use `Navigate->Error' to find it.");
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} else {
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s += tostr(ret);
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s += _(" warnings found.");
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t = _("Use `Navigate->Error' to find them.");
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}
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Alert::alert(_("Chktex run successfully"), s, t);
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} else {
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Alert::alert(_("Error!"), _("It seems chktex does not work."));
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}
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return ret;
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}
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void QuitLyX()
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{
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lyxerr[Debug::INFO] << "Running QuitLyX." << endl;
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if (lyxrc.use_gui) {
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if (!bufferlist.qwriteAll())
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return;
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lastfiles->writeFile(lyxrc.lastfiles);
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}
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// Set a flag that we do quitting from the program,
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// so no refreshes are necessary.
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quitting = true;
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// close buffers first
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bufferlist.closeAll();
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// do any other cleanup procedures now
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lyxerr[Debug::INFO] << "Deleting tmp dir " << system_tempdir << endl;
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DestroyLyXTmpDir(system_tempdir);
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lyx_gui::exit();
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}
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void AutoSave(BufferView * bv)
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// should probably be moved into BufferList (Lgb)
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// Perfect target for a thread...
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{
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if (!bv->available())
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return;
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if (bv->buffer()->isBakClean() || bv->buffer()->isReadonly()) {
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// We don't save now, but we'll try again later
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bv->owner()->resetAutosaveTimer();
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return;
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}
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bv->owner()->message(_("Autosaving current document..."));
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// create autosave filename
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string fname = bv->buffer()->filePath();
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fname += "#";
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fname += OnlyFilename(bv->buffer()->fileName());
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fname += "#";
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// tmp_ret will be located (usually) in /tmp
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// will that be a problem?
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pid_t const pid = fork(); // If you want to debug the autosave
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// you should set pid to -1, and comment out the
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// fork.
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if (pid == 0 || pid == -1) {
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// pid = -1 signifies that lyx was unable
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// to fork. But we will do the save
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// anyway.
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bool failed = false;
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string const tmp_ret = lyx::tempName(string(), "lyxauto");
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if (!tmp_ret.empty()) {
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bv->buffer()->writeFile(tmp_ret);
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// assume successful write of tmp_ret
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if (!lyx::rename(tmp_ret, fname)) {
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failed = true;
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// most likely couldn't move between filesystems
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// unless write of tmp_ret failed
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// so remove tmp file (if it exists)
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lyx::unlink(tmp_ret);
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}
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} else {
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failed = true;
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}
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if (failed) {
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// failed to write/rename tmp_ret so try writing direct
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if (!bv->buffer()->writeFile(fname)) {
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// It is dangerous to do this in the child,
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// but safe in the parent, so...
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if (pid == -1)
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bv->owner()->message(_("Autosave failed!"));
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}
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}
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if (pid == 0) { // we are the child so...
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_exit(0);
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}
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}
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bv->buffer()->markBakClean();
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bv->owner()->resetAutosaveTimer();
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}
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//
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// Copyright CHT Software Service GmbH
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// Uwe C. Schroeder
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//
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// create new file with template
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// SERVERCMD !
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//
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Buffer * NewFile(string const & filename)
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{
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// Split argument by :
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string name;
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string tmpname = split(filename, name, ':');
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#ifdef __EMX__ // Fix me! lyx_cb.C may not be low level enough to allow this.
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if (name.length() == 1
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&& isalpha(static_cast<unsigned char>(name[0]))
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&& (prefixIs(tmpname, "/") || prefixIs(tmpname, "\\"))) {
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name += ':';
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name += token(tmpname, ':', 0);
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tmpname = split(tmpname, ':');
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}
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#endif
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lyxerr[Debug::INFO] << "Arg is " << filename
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<< "\nName is " << name
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<< "\nTemplate is " << tmpname << endl;
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// find a free buffer
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Buffer * tmpbuf = bufferlist.newFile(name, tmpname);
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if (tmpbuf)
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lastfiles->newFile(tmpbuf->fileName());
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return tmpbuf;
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}
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// Insert ascii file (if filename is empty, prompt for one)
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void InsertAsciiFile(BufferView * bv, string const & f, bool asParagraph)
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{
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if (!bv->available())
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return;
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string const tmpstr = getContentsOfAsciiFile(bv, f, asParagraph);
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if (tmpstr.empty())
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return;
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// insert the string
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bv->hideCursor();
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// clear the selection
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bool flag = (bv->text == bv->getLyXText());
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if (flag)
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bv->beforeChange(bv->text);
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if (!asParagraph)
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bv->getLyXText()->insertStringAsLines(bv, tmpstr);
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else
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bv->getLyXText()->insertStringAsParagraphs(bv, tmpstr);
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if (flag)
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bv->update(bv->text,
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BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
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}
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// Insert ascii file (if filename is empty, prompt for one)
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string getContentsOfAsciiFile(BufferView * bv, string const & f, bool asParagraph)
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{
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string fname = f;
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if (fname.empty()) {
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FileDialog fileDlg(bv->owner(), _("Select file to insert"),
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(asParagraph) ? LFUN_FILE_INSERT_ASCII_PARA : LFUN_FILE_INSERT_ASCII);
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FileDialog::Result result = fileDlg.Select(bv->owner()->buffer()->filePath());
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if (result.first == FileDialog::Later)
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return string();
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fname = result.second;
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if (fname.empty())
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return string();
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}
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FileInfo fi(fname);
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if (!fi.readable()) {
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Alert::err_alert(_("Error! Specified file is unreadable: "),
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MakeDisplayPath(fname, 50));
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return string();
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}
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ifstream ifs(fname.c_str());
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if (!ifs) {
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Alert::err_alert(_("Error! Cannot open specified file: "),
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MakeDisplayPath(fname, 50));
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return string();
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}
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ifs.unsetf(ios::skipws);
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istream_iterator<char> ii(ifs);
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istream_iterator<char> end;
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#if !defined(USE_INCLUDED_STRING) && !defined(STD_STRING_IS_GOOD)
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// We use this until the compilers get better...
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vector<char> tmp;
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copy(ii, end, back_inserter(tmp));
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string const tmpstr(tmp.begin(), tmp.end());
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#else
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// This is what we want to use and what we will use once the
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// compilers get good enough.
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//string tmpstr(ii, end); // yet a reason for using std::string
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// alternate approach to get the file into a string:
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string tmpstr;
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copy(ii, end, back_inserter(tmpstr));
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#endif
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return tmpstr;
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}
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void MenuInsertLabel(BufferView * bv, string const & arg)
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{
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string label(arg);
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bv->owner()->prohibitInput();
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if (label.empty()) {
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Paragraph * par = bv->getLyXText()->cursor.par();
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LyXLayout_ptr layout = par->layout();
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if (layout->latextype == LATEX_PARAGRAPH && par->previous()) {
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Paragraph * par2 = par->previous();
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LyXLayout_ptr const & layout2 = par2->layout();
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if (layout2->latextype != LATEX_PARAGRAPH) {
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par = par2;
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layout = layout2;
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}
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}
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string text = layout->latexname().substr(0, 3);
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if (layout->latexname() == "theorem")
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text = "thm"; // Create a correct prefix for prettyref
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text += ":";
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if (layout->latextype == LATEX_PARAGRAPH ||
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lyxrc.label_init_length < 0)
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text.erase();
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string par_text = par->asString(bv->buffer(), false);
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for (int i = 0; i < lyxrc.label_init_length; ++i) {
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if (par_text.empty())
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break;
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string head;
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par_text = split(par_text, head, ' ');
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if (i > 0)
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text += '-'; // Is it legal to use spaces in
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// labels ?
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text += head;
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}
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pair<bool, string> result =
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Alert::askForText(_("Enter new label to insert:"), text);
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if (result.first) {
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label = trim(result.second);
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}
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}
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if (!label.empty()) {
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InsetCommandParams p("label", label);
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InsetLabel * inset = new InsetLabel(p);
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bv->insertInset(inset);
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}
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bv->owner()->allowInput();
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}
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// This function runs "configure" and then rereads lyx.defaults to
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// reconfigure the automatic settings.
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void Reconfigure(BufferView * bv)
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{
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bv->owner()->message(_("Running configure..."));
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// Run configure in user lyx directory
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Path p(user_lyxdir);
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Systemcall one;
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one.startscript(Systemcall::Wait,
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AddName(system_lyxdir, "configure"));
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p.pop();
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bv->owner()->message(_("Reloading configuration..."));
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lyxrc.read(LibFileSearch(string(), "lyxrc.defaults"));
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Alert::alert(_("The system has been reconfigured."),
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_("You need to restart LyX to make use of any"),
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_("updated document class specifications."));
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}
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