lyx_mirror/src/BufferView2.C

908 lines
21 KiB
C++
Raw Normal View History

// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2000 The LyX Team.
*
* ====================================================== */
#include <config.h>
#include <fstream>
#include <algorithm>
#include "BufferView.h"
#include "buffer.h"
#include "lyxcursor.h"
#include "lyxtext.h"
#include "insets/inseterror.h"
#include "insets/insetinfo.h"
#include "insets/insetspecialchar.h"
#include "LyXView.h"
#include "minibuffer.h"
#include "bufferlist.h"
#include "support/FileInfo.h"
#include "lyxscreen.h"
#include "support/filetools.h"
#include "lyx_gui_misc.h"
#include "LaTeX.h"
#include "BufferView_pimpl.h"
#include "insets/insetcommand.h" //ChangeRefs
extern BufferList bufferlist;
using std::pair;
using std::endl;
using std::ifstream;
using std::vector;
using std::find;
// Inserts a file into current document
bool BufferView::insertLyXFile(string const & filen)
//
// Copyright CHT Software Service GmbH
// Uwe C. Schroeder
//
// Insert a Lyxformat - file into current buffer
//
// Moved from lyx_cb.C (Lgb)
{
if (filen.empty()) return false;
string fname = MakeAbsPath(filen);
// check if file exist
FileInfo fi(fname);
if (!fi.readable()) {
WriteAlert(_("Error!"),
_("Specified file is unreadable: "),
MakeDisplayPath(fname, 50));
return false;
}
beforeChange();
ifstream ifs(fname.c_str());
if (!ifs) {
WriteAlert(_("Error!"),
_("Cannot open specified file: "),
MakeDisplayPath(fname, 50));
return false;
}
LyXLex lex(0, 0);
lex.setStream(ifs);
char c; ifs.get(c);
ifs.putback(c);
bool res = true;
if (c == '#') {
lyxerr.debug() << "Will insert file with header" << endl;
res = buffer()->readFile(lex, text->cursor.par());
} else {
lyxerr.debug() << "Will insert file without header" << endl;
res = buffer()->readLyXformat2(lex, text->cursor.par());
}
resize();
return res;
}
bool BufferView::removeAutoInsets()
{
LyXParagraph * par = buffer()->paragraph;
LyXCursor tmpcursor = text->cursor;
LyXCursor cursor;
bool a = false;
while (par) {
// this has to be done before the delete
#ifndef NEW_INSETS
if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
#endif
text->SetCursor(this, cursor, par, 0);
if (par->AutoDeleteInsets()){
a = true;
#ifndef NEW_INSETS
if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE){
#endif
text->RedoParagraphs(this, cursor,
cursor.par()->Next());
text->FullRebreak(this);
#ifndef NEW_INSETS
}
#endif
}
par = par->next;
}
// avoid forbidden cursor positions caused by error removing
if (tmpcursor.pos() > tmpcursor.par()->Last())
tmpcursor.pos(tmpcursor.par()->Last());
text->SetCursorIntern(this, tmpcursor.par(), tmpcursor.pos());
return a;
}
void BufferView::insertErrors(TeXErrors & terr)
{
// Save the cursor position
LyXCursor cursor = text->cursor;
#ifndef NEW_INSETS
// This is drastic, but it's the only fix, I could find. (Asger)
allFloats(1, 0);
allFloats(1, 1);
#endif
for (TeXErrors::Errors::const_iterator cit = terr.begin();
cit != terr.end();
++cit) {
string desctext((*cit).error_desc);
string errortext((*cit).error_text);
string msgtxt = desctext + '\n' + errortext;
int errorrow = (*cit).error_in_line;
// Insert error string for row number
int tmpid = -1;
int tmppos = -1;
buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos);
LyXParagraph * texrowpar = 0;
if (tmpid == -1) {
texrowpar = text->FirstParagraph();
tmppos = 0;
} else {
texrowpar = text->GetParFromID(tmpid);
}
if (texrowpar == 0)
continue;
InsetError * new_inset = new InsetError(msgtxt);
text->SetCursorIntern(this, texrowpar, tmppos);
text->InsertInset(this, new_inset);
text->FullRebreak(this);
}
// Restore the cursor position
text->SetCursorIntern(this, cursor.par(), cursor.pos());
}
void BufferView::setCursorFromRow(int row)
{
int tmpid = -1;
int tmppos = -1;
buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
LyXParagraph * texrowpar;
if (tmpid == -1) {
texrowpar = text->FirstParagraph();
tmppos = 0;
} else {
texrowpar = text->GetParFromID(tmpid);
}
text->SetCursor(this, texrowpar, tmppos);
}
bool BufferView::insertInset(Inset * inset, string const & lout,
bool no_table)
{
// if we are in a locking inset we should try to insert the
// inset there otherwise this is a illegal function now
if (the_locking_inset) {
if (the_locking_inset->InsertInsetAllowed(inset) &&
the_locking_inset->InsertInset(this, inset))
return true;
return false;
}
#ifndef NEW_TABULAR
// check for table/list in tables
if (no_table && text->cursor.par()->table){
WriteAlert(_("Impossible Operation!"),
_("Cannot insert table/list in table."),
_("Sorry."));
return false;
}
#endif
// not quite sure if we want this...
text->SetCursorParUndo(buffer());
text->FreezeUndo();
beforeChange();
if (!lout.empty()) {
update(BufferView::SELECT|BufferView::FITCUR);
text->BreakParagraph(this);
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
if (text->cursor.par()->Last()) {
text->CursorLeft(this);
text->BreakParagraph(this);
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
pair<bool, LyXTextClass::size_type> lres =
textclasslist.NumberOfLayout(buffer()->params
.textclass, lout);
LyXTextClass::size_type lay;
if (lres.first != false) {
// layout found
lay = lres.second;
} else {
// layout not fount using default "Standard" (0)
lay = 0;
}
text->SetLayout(this, lay);
text->SetParagraph(this, 0, 0,
0, 0,
VSpace(VSpace::NONE), VSpace(VSpace::NONE),
LYX_ALIGN_LAYOUT,
string(),
0);
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
text->current_font.setLatex(LyXFont::OFF);
}
text->InsertInset(this, inset);
#if 1
// if we enter a text-inset the cursor should be to the left side
// of it! This couldn't happen before as Undo was not handled inside
// inset now after the Undo LyX tries to call inset->Edit(...) again
// and cannot do this as the cursor is behind the inset and GetInset
// does not return the inset!
if (inset->IsTextInset()) {
if (text->cursor.par()->isRightToLeftPar(buffer()->params))
text->CursorRight(this);
else
text->CursorLeft(this);
}
#endif
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
text->UnFreezeUndo();
return true;
}
// Open and lock an updatable inset
bool BufferView::open_new_inset(UpdatableInset * new_inset)
{
beforeChange();
text->FinishUndo();
if (!insertInset(new_inset))
return false;
text->CursorLeft(this);
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
new_inset->Edit(this, 0, 0, 0);
return true;
}
/* This is also a buffer property (ale) */
// Not so sure about that. a goto Label function can not be buffer local, just
// think how this will work in a multiwindo/buffer environment, all the
// cursors in all the views showing this buffer will move. (Lgb)
// OK, then no cursor action should be allowed in buffer. (ale)
bool BufferView::gotoLabel(string const & label)
{
for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
it != buffer()->inset_iterator_end(); ++it) {
vector<string> labels = (*it)->getLabelList();
if ( find(labels.begin(),labels.end(),label)
!= labels.end()) {
beforeChange();
text->SetCursor(this, it.getPar(), it.getPos());
text->sel_cursor = text->cursor;
update(BufferView::SELECT|BufferView::FITCUR);
return true;
}
}
return false;
}
#ifndef NEW_INSETS
void BufferView::allFloats(char flag, char figmar)
{
if (!available()) return;
LyXCursor cursor = text->cursor;
if (!flag
&& cursor.par()->footnoteflag != LyXParagraph::NO_FOOTNOTE
&& ((figmar
&& cursor.par()->footnotekind != LyXParagraph::FOOTNOTE
&& cursor.par()->footnotekind != LyXParagraph::MARGIN
)
|| (!figmar
&& cursor.par()->footnotekind != LyXParagraph::FIG
&& cursor.par()->footnotekind != LyXParagraph::TAB
&& cursor.par()->footnotekind != LyXParagraph::WIDE_FIG
&& cursor.par()->footnotekind != LyXParagraph::WIDE_TAB
&& cursor.par()->footnotekind != LyXParagraph::ALGORITHM)))
toggleFloat();
else
beforeChange();
LyXCursor tmpcursor = cursor;
cursor.par(tmpcursor.par()->ParFromPos(tmpcursor.pos()));
cursor.pos(tmpcursor.par()->PositionInParFromPos(tmpcursor.pos()));
LyXParagraph *par = buffer()->paragraph;
while (par) {
if (flag) {
if (par->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE
&& ((figmar
&& par->footnotekind != LyXParagraph::FOOTNOTE
&& par->footnotekind != LyXParagraph::MARGIN)
|| (!figmar
&& par->footnotekind != LyXParagraph::FIG
&& par->footnotekind != LyXParagraph::TAB
&& par->footnotekind != LyXParagraph::WIDE_FIG
&& par->footnotekind != LyXParagraph::WIDE_TAB
&& par->footnotekind != LyXParagraph::ALGORITHM
)
)
) {
if (par->previous
&& par->previous->footnoteflag !=
LyXParagraph::CLOSED_FOOTNOTE){ /* should be */
text->SetCursorIntern(this,
par->previous,
0);
text->OpenFootnote(this);
}
}
} else {
if (par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE
&& (
(figmar
&&
par->footnotekind != LyXParagraph::FOOTNOTE
&&
par->footnotekind != LyXParagraph::MARGIN
)
||
(!figmar
&&
par->footnotekind != LyXParagraph::FIG
&&
par->footnotekind != LyXParagraph::TAB
&&
par->footnotekind != LyXParagraph::WIDE_FIG
&&
par->footnotekind != LyXParagraph::WIDE_TAB
&&
par->footnotekind != LyXParagraph::ALGORITHM
)
)
) {
text->SetCursorIntern(this, par, 0);
text->CloseFootnote(this);
}
}
par = par->next;
}
text->SetCursorIntern(this, cursor.par(), cursor.pos());
redraw();
fitCursor();
//updateScrollbar();
}
#endif
void BufferView::insertNote()
{
InsetInfo * new_inset = new InsetInfo();
insertInset(new_inset);
new_inset->Edit(this, 0, 0, 0);
}
#ifndef NEW_INSETS
void BufferView::openStuff()
{
if (available()) {
owner()->getMiniBuffer()->Set(_("Open/Close..."));
hideCursor();
beforeChange();
update(BufferView::SELECT|BufferView::FITCUR);
text->OpenStuff(this);
update(BufferView::SELECT|BufferView::FITCUR);
setState();
}
}
void BufferView::toggleFloat()
{
if (available()) {
owner()->getMiniBuffer()->Set(_("Open/Close..."));
hideCursor();
beforeChange();
update(BufferView::SELECT|BufferView::FITCUR);
text->ToggleFootnote(this);
update(BufferView::SELECT|BufferView::FITCUR);
setState();
}
}
#endif
void BufferView::menuUndo()
{
if (available()) {
owner()->getMiniBuffer()->Set(_("Undo"));
hideCursor();
beforeChange();
update(BufferView::SELECT|BufferView::FITCUR);
if (!text->TextUndo(this))
owner()->getMiniBuffer()->Set(_("No further undo information"));
else
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
setState();
}
}
void BufferView::menuRedo()
{
if (the_locking_inset) {
owner()->getMiniBuffer()->Set(_("Redo not yet supported in math mode"));
return;
}
if (available()) {
owner()->getMiniBuffer()->Set(_("Redo"));
hideCursor();
beforeChange();
update(BufferView::SELECT|BufferView::FITCUR);
if (!text->TextRedo(this))
owner()->getMiniBuffer()->Set(_("No further redo information"));
else
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
setState();
}
}
void BufferView::hyphenationPoint()
{
if (available()) {
hideCursor();
update(BufferView::SELECT|BufferView::FITCUR);
InsetSpecialChar * new_inset =
new InsetSpecialChar(InsetSpecialChar::HYPHENATION);
insertInset(new_inset);
}
}
void BufferView::ldots()
{
if (available()) {
hideCursor();
update(BufferView::SELECT|BufferView::FITCUR);
InsetSpecialChar * new_inset =
new InsetSpecialChar(InsetSpecialChar::LDOTS);
insertInset(new_inset);
}
}
void BufferView::endOfSentenceDot()
{
if (available()) {
hideCursor();
update(BufferView::SELECT|BufferView::FITCUR);
InsetSpecialChar * new_inset =
new InsetSpecialChar(InsetSpecialChar::END_OF_SENTENCE);
insertInset(new_inset);
}
}
void BufferView::menuSeparator()
{
if (available()) {
hideCursor();
update(BufferView::SELECT|BufferView::FITCUR);
InsetSpecialChar * new_inset =
new InsetSpecialChar(InsetSpecialChar::MENU_SEPARATOR);
insertInset(new_inset);
}
}
void BufferView::newline()
{
if (available()) {
hideCursor();
update(BufferView::SELECT|BufferView::FITCUR);
text->InsertChar(this, LyXParagraph::META_NEWLINE);
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
}
void BufferView::protectedBlank()
{
if (available()) {
hideCursor();
update(BufferView::SELECT|BufferView::FITCUR);
InsetSpecialChar * new_inset =
new InsetSpecialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
insertInset(new_inset);
}
}
void BufferView::hfill()
{
if (available()) {
hideCursor();
update(BufferView::SELECT|BufferView::FITCUR);
text->InsertChar(this, LyXParagraph::META_HFILL);
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
}
void BufferView::copyEnvironment()
{
if (available()) {
text->copyEnvironmentType();
// clear the selection, even if mark_set
toggleSelection();
text->ClearSelection();
update(BufferView::SELECT|BufferView::FITCUR);
owner()->getMiniBuffer()->Set(_("Paragraph environment type copied"));
}
}
void BufferView::pasteEnvironment()
{
if (available()) {
text->pasteEnvironmentType(this);
owner()->getMiniBuffer()->Set(_("Paragraph environment type set"));
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
}
void BufferView::copy()
{
if (available()) {
text->CopySelection(this);
// clear the selection, even if mark_set
toggleSelection();
text->ClearSelection();
update(BufferView::SELECT|BufferView::FITCUR);
owner()->getMiniBuffer()->Set(_("Copy"));
}
}
void BufferView::cut()
{
if (available()) {
hideCursor();
update(BufferView::SELECT|BufferView::FITCUR);
text->CutSelection(this);
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
owner()->getMiniBuffer()->Set(_("Cut"));
}
}
void BufferView::paste()
{
if (!available()) return;
owner()->getMiniBuffer()->Set(_("Paste"));
hideCursor();
// clear the selection
toggleSelection();
text->ClearSelection();
update(BufferView::SELECT|BufferView::FITCUR);
// paste
text->PasteSelection(this);
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
// clear the selection
toggleSelection();
text->ClearSelection();
update(BufferView::SELECT|BufferView::FITCUR);
}
void BufferView::gotoNote()
{
if (!available()) return;
hideCursor();
beforeChange();
update(BufferView::SELECT|BufferView::FITCUR);
LyXCursor tmp;
if (!text->GotoNextNote(this)) {
if (text->cursor.pos()
|| text->cursor.par() != text->FirstParagraph()) {
tmp = text->cursor;
text->cursor.par(text->FirstParagraph());
text->cursor.pos(0);
if (!text->GotoNextNote(this)) {
text->cursor = tmp;
owner()->getMiniBuffer()->Set(_("No more notes"));
LyXBell();
}
} else {
owner()->getMiniBuffer()->Set(_("No more notes"));
LyXBell();
}
}
update(BufferView::SELECT|BufferView::FITCUR);
text->sel_cursor = text->cursor;
}
void BufferView::insertCorrectQuote()
{
char c;
if (text->cursor.pos())
c = text->cursor.par()->GetChar(text->cursor.pos() - 1);
else
c = ' ';
insertInset(new InsetQuotes(c, buffer()->params));
}
/* these functions are for the spellchecker */
char * BufferView::nextWord(float & value)
{
if (!available()) {
value = 1;
return 0;
}
char * string = text->SelectNextWord(this, value);
return string;
}
void BufferView::selectLastWord()
{
if (!available()) return;
hideCursor();
beforeChange();
text->SelectSelectedWord(this);
toggleSelection(false);
update(BufferView::SELECT|BufferView::FITCUR);
}
void BufferView::endOfSpellCheck()
{
if (!available()) return;
hideCursor();
beforeChange();
text->SelectSelectedWord(this);
text->ClearSelection();
update(BufferView::SELECT|BufferView::FITCUR);
}
void BufferView::replaceWord(string const & replacestring)
{
if (!available()) return;
hideCursor();
update(BufferView::SELECT|BufferView::FITCUR);
/* clear the selection (if there is any) */
toggleSelection(false);
update(BufferView::SELECT|BufferView::FITCUR);
/* clear the selection (if there is any) */
toggleSelection(false);
text->ReplaceSelectionWithString(this, replacestring.c_str());
text->SetSelectionOverString(this, replacestring.c_str());
// Go back so that replacement string is also spellchecked
for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
text->CursorLeftIntern(this);
}
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
}
// End of spellchecker stuff
bool BufferView::lockInset(UpdatableInset * inset)
{
if (!the_locking_inset && inset) {
the_locking_inset = inset;
return true;
} else if (inset) {
return the_locking_inset->LockInsetInInset(this, inset);
}
return false;
}
void BufferView::showLockedInsetCursor(long x, long y, int asc, int desc)
{
if (the_locking_inset && available()) {
LyXCursor cursor = text->cursor;
if ((cursor.pos() - 1 >= 0) &&
(cursor.par()->GetChar(cursor.pos() - 1) ==
LyXParagraph::META_INSET) &&
(cursor.par()->GetInset(cursor.pos() - 1) ==
the_locking_inset->GetLockingInset()))
text->SetCursor(this, cursor,
cursor.par(), cursor.pos() - 1);
y += cursor.y() + the_locking_inset->InsetInInsetY();
pimpl_->screen_->ShowManualCursor(text, x, y, asc, desc,
LyXScreen::BAR_SHAPE);
}
}
void BufferView::hideLockedInsetCursor()
{
if (the_locking_inset && available()) {
pimpl_->screen_->HideCursor();
}
}
void BufferView::fitLockedInsetCursor(long x, long y, int asc, int desc)
{
if (the_locking_inset && available()){
y += text->cursor.y() + the_locking_inset->InsetInInsetY();
if (pimpl_->screen_->FitManualCursor(text, x, y, asc, desc))
updateScrollbar();
}
}
int BufferView::unlockInset(UpdatableInset * inset)
{
if (inset && the_locking_inset == inset) {
inset->InsetUnlock(this);
the_locking_inset = 0;
text->FinishUndo();
return 0;
} else if (inset && the_locking_inset &&
the_locking_inset->UnlockInsetInInset(this, inset)) {
text->FinishUndo();
return 0;
}
return bufferlist.unlockInset(inset);
}
void BufferView::lockedInsetStoreUndo(Undo::undo_kind kind)
{
if (!the_locking_inset)
return; // shouldn't happen
if (kind == Undo::EDIT) // in this case insets would not be stored!
kind = Undo::FINISH;
text->SetUndo(buffer(), kind,
text->cursor.par()->
ParFromPos(text->cursor.pos())->previous,
text->cursor.par()->
ParFromPos(text->cursor.pos())->next);
}
void BufferView::updateInset(Inset * inset, bool mark_dirty)
{
if (!inset)
return;
// first check for locking insets
if (the_locking_inset) {
if (the_locking_inset == inset) {
if (text->UpdateInset(this, inset)){
update();
if (mark_dirty){
if (buffer()->isLyxClean())
owner()->getMiniBuffer()->
setTimer(4);
buffer()->markDirty();
}
updateScrollbar();
return;
}
} else if (the_locking_inset->UpdateInsetInInset(this,inset)) {
if (text->UpdateInset(this, the_locking_inset)) {
update();
if (mark_dirty){
if (buffer()->isLyxClean())
owner()->getMiniBuffer()->
setTimer(4);
buffer()->markDirty();
}
updateScrollbar();
return;
}
}
}
// then check the current buffer
if (available()) {
hideCursor();
update(BufferView::UPDATE);
if (text->UpdateInset(this, inset)){
if (mark_dirty)
update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
else
update(SELECT);
return;
}
}
}
bool BufferView::ChangeRefs(string const & from, string const & to)
{
bool flag = false;
LyXParagraph * par = buffer()->paragraph;
LyXCursor cursor = text->cursor;
LyXCursor tmpcursor = cursor;
cursor.par(tmpcursor.par()->ParFromPos(tmpcursor.pos()));
cursor.pos(tmpcursor.par()->PositionInParFromPos(tmpcursor.pos()));
while (par) {
bool flag2 = false;
for (LyXParagraph::inset_iterator it = par->inset_iterator_begin();
it != par->inset_iterator_end(); ++it) {
if ((*it)->LyxCode() == Inset::REF_CODE) {
InsetCommand * inset = static_cast<InsetCommand *>(*it);
if (inset->getContents() == from) {
inset->setContents(to);
flag2 = true;
}
}
}
if (flag2) {
flag = true;
#ifndef NEW_INSETS
if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE){
#endif
// this is possible now, since SetCursor takes
// care about footnotes
text->SetCursorIntern(this, par, 0);
text->RedoParagraphs(this, text->cursor,
text->cursor.par()->Next());
text->FullRebreak(this);
#ifndef NEW_INSETS
}
#endif
}
par = par->next;
}
text->SetCursorIntern(this, cursor.par(), cursor.pos());
return flag;
}