/* This file is part of
- * ======================================================
- *
+ * ======================================================
+ *
* LyX, The Document Processor
- *
+ *
* Copyright 1995 Matthias Ettrich
* Copyright 1995-2001 The LyX Team.
*
* ====================================================== */
-#include <fstream>
-#include <algorithm>
-
#include <config.h>
#include "BufferView.h"
#include "buffer.h"
#include "lyxcursor.h"
#include "lyxtext.h"
-#include "insets/inseterror.h"
-#include "LyXView.h"
+#include "frontends/LyXView.h"
#include "bufferlist.h"
-#include "support/FileInfo.h"
-#include "lyxscreen.h"
-#include "support/filetools.h"
-#include "lyx_gui_misc.h"
+#include "frontends/screen.h"
#include "LaTeX.h"
#include "BufferView_pimpl.h"
-#include "insets/insetcommand.h" //ChangeRefs
-#include "support/lyxfunctional.h" //equal_1st_in_pair
#include "language.h"
#include "gettext.h"
#include "undo_funcs.h"
+#include "debug.h"
+#include "iterators.h"
+
+#include "frontends/Alert.h"
+#include "frontends/Dialogs.h"
+
+#include "insets/insetcommand.h" //ChangeRefs
+#include "insets/inseterror.h"
+
+#include "support/FileInfo.h"
+#include "support/filetools.h"
+#include "support/lyxfunctional.h" //equal_1st_in_pair
+#include "support/types.h"
+#include "support/lyxalgo.h" // lyx_count
+
+#include <fstream>
extern BufferList bufferlist;
+using lyx::pos_type;
+
using std::pair;
using std::endl;
using std::ifstream;
using std::vector;
using std::find;
-using std::count;
using std::count_if;
FileInfo const fi(fname);
if (!fi.readable()) {
- WriteAlert(_("Error!"),
+ Alert::alert(_("Error!"),
_("Specified file is unreadable: "),
MakeDisplayPath(fname, 50));
return false;
}
-
+
beforeChange(text);
ifstream ifs(fname.c_str());
if (!ifs) {
- WriteAlert(_("Error!"),
+ Alert::alert(_("Error!"),
_("Cannot open specified file: "),
MakeDisplayPath(fname, 50));
return false;
}
-
- char const c = ifs.peek();
-
+
+ int const c = ifs.peek();
+
LyXLex lex(0, 0);
lex.setStream(ifs);
lyxerr[Debug::INFO] << "Will insert file with header" << endl;
res = buffer()->readFile(lex, text->cursor.par());
} else {
- lyxerr[Debug::INFO] << "Will insert file without header"
+ lyxerr[Debug::INFO] << "Will insert file without header"
<< endl;
res = buffer()->readLyXformat2(lex, text->cursor.par());
}
bool BufferView::removeAutoInsets()
{
- Paragraph * par = buffer()->paragraph;
-
- LyXCursor tmpcursor = text->cursor;
- LyXCursor cursor;
+ // keep track of which pos and par the cursor was on
+ Paragraph * cursor_par = text->cursor.par();
+ Paragraph * cursor_par_prev = cursor_par ? cursor_par->previous() : 0;
+ Paragraph * cursor_par_next = cursor_par ? cursor_par->next() : 0;
+ pos_type cursor_pos = text->cursor.pos();
+
+ bool found = false;
+
+ // Trap the deletion of the paragraph the cursor is in.
+ // Iterate until we find a paragraph that won't be immediately deleted.
+ // In reality this should mean we only execute the body of the while
+ // loop once at most. However for safety we iterate rather than just
+ // make this an if () conditional.
+ while ((cursor_par_prev || cursor_par_next)
+ && text->setCursor(this,
+ cursor_par_prev ? cursor_par_prev : cursor_par_next,
+ 0)) {
+ // We just removed cursor_par so have to fix the "cursor"
+ if (cursor_par_prev) {
+ // '.' = cursor_par
+ // a -> a.
+ // .
+ cursor_par = cursor_par_prev;
+ cursor_pos = cursor_par->size();
+ } else {
+ // . -> .a
+ // a
+ cursor_par = cursor_par_next;
+ cursor_pos = 0;
+ }
+ cursor_par_prev = cursor_par->previous();
+ cursor_par_next = cursor_par->next();
+ }
- bool a = false;
+ // Iterate through the paragraphs removing autoDelete insets as we go.
+ // If the paragraph ends up empty after all the autoDelete insets are
+ // removed that paragraph will be removed by the next setCursor() call.
+ ParIterator it = buffer()->par_iterator_begin();
+ ParIterator end = buffer()->par_iterator_end();
+ for (; it != end; ++it) {
+ Paragraph * par = *it;
+ Paragraph * par_prev = par ? par->previous() : 0;
+ bool removed = false;
+
+ if (text->setCursor(this, par, 0)
+ && cursor_par == par_prev) {
+ // The previous setCursor line was deleted and that
+ // was the cursor_par line. This can only happen if an
+ // error box was the sole item on cursor_par.
+ // It is possible for cursor_par_prev to be stray if
+ // the line it pointed to only had a error box on it
+ // so we have to set it to a known correct value.
+ // This is often the same value it already had.
+ cursor_par_prev = par->previous();
+ if (cursor_par_prev) {
+ // '|' = par, '.' = cursor_par, 'E' = error box
+ // First step below may occur before while{}
+ // a |a a a a.
+ // E -> .E -> |.E -> . -> |b
+ // . b b |b
+ // b
+ cursor_par = cursor_par_prev;
+ cursor_pos = cursor_par_prev->size();
+ cursor_par_prev = cursor_par->previous();
+ // cursor_par_next remains the same
+ } else if (cursor_par_next) {
+ // First step below may occur before while{}
+ // .
+ // E -> |.E -> |. -> . -> .|a
+ // a a a |a
+ cursor_par = cursor_par_next;
+ cursor_pos = 0;
+ // cursor_par_prev remains unset
+ cursor_par_next = cursor_par->next();
+ } else {
+ // I can't find a way to trigger this
+ // so it should be unreachable code
+ // unless the buffer is corrupted.
+ lyxerr << "BufferView::removeAutoInsets() is bad\n";
+ }
+ }
- while (par) {
- // this has to be done before the delete
- text->setCursor(this, cursor, par, 0);
- if (par->autoDeleteInsets()){
- a = true;
- text->redoParagraphs(this, cursor,
- cursor.par()->next());
- text->fullRebreak(this);
+ Paragraph::inset_iterator pit = par->inset_iterator_begin();
+ Paragraph::inset_iterator pend = par->inset_iterator_end();
+ while (pit != pend) {
+ if (pit->autoDelete()) {
+ removed = true;
+ pos_type const pos = pit.getPos();
+
+ par->erase(pos);
+ // We just invalidated par's inset iterators so
+ // we get the next valid iterator position
+ pit = par->InsetIterator(pos);
+ // and ensure we have a valid end iterator.
+ pend = par->inset_iterator_end();
+
+ if (cursor_par == par) {
+ // update the saved cursor position
+ if (cursor_pos > pos)
+ --cursor_pos;
+ }
+ } else {
+ ++pit;
+ }
+ }
+ if (removed) {
+ found = true;
+ text->redoParagraph(this);
}
- par = par->next();
}
- // avoid forbidden cursor positions caused by error removing
- if (tmpcursor.pos() > tmpcursor.par()->size())
- tmpcursor.pos(tmpcursor.par()->size());
+ // It is possible that the last line is empty if it was cursor_par
+ // and/or only had an error inset on it. So we set the cursor to the
+ // start of the doc to force its removal and ensure a valid saved cursor
+ if (text->setCursor(this, text->ownerParagraph(), 0)
+ && 0 == cursor_par_next) {
+ cursor_par = cursor_par_prev;
+ cursor_pos = cursor_par->size();
+ } else if (cursor_pos > cursor_par->size()) {
+ // Some C-Enter lines were removed by the setCursor call which
+ // then invalidated cursor_pos. It could still be "wrong" because
+ // the cursor may appear to have jumped but since we collapsed
+ // some C-Enter lines this should be a reasonable compromise.
+ cursor_pos = cursor_par->size();
+ }
- text->setCursorIntern(this, tmpcursor.par(), tmpcursor.pos());
+ // restore the original cursor in its corrected location.
+ text->setCursorIntern(this, cursor_par, cursor_pos);
- return a;
+ return found;
}
// Save the cursor position
LyXCursor cursor = text->cursor;
- for (TeXErrors::Errors::const_iterator cit = terr.begin();
- cit != terr.end();
- ++cit) {
+ TeXErrors::Errors::const_iterator cit = terr.begin();
+ TeXErrors::Errors::const_iterator end = terr.end();
+ for (; cit != end; ++cit) {
string const desctext(cit->error_desc);
string const errortext(cit->error_text);
string const msgtxt = desctext + '\n' + errortext;
int const errorrow = cit->error_in_line;
// Insert error string for row number
- int tmpid = -1;
+ int tmpid = -1;
int tmppos = -1;
if (buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos)) {
buffer()->texrow.increasePos(tmpid, tmppos);
}
-
+
Paragraph * texrowpar = 0;
if (tmpid == -1) {
- texrowpar = text->firstParagraph();
+ texrowpar = text->ownerParagraph();
tmppos = 0;
} else {
texrowpar = buffer()->getParFromID(tmpid);
void BufferView::setCursorFromRow(int row)
{
- int tmpid = -1;
+ int tmpid = -1;
int tmppos = -1;
buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
Paragraph * texrowpar;
if (tmpid == -1) {
- texrowpar = text->firstParagraph();
+ texrowpar = text->ownerParagraph();
tmppos = 0;
} else {
texrowpar = buffer()->getParFromID(tmpid);
beforeChange(text);
update(text, BufferView::SELECT|BufferView::FITCUR);
if (!textUndo(this))
- owner()->message(_("No forther undo information"));
+ owner()->message(_("No further undo information"));
else
update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
setState();
void BufferView::menuRedo()
{
+#if 0 // this should not be here (Jug 20011206)
if (theLockingInset()) {
owner()->message(_("Redo not yet supported in math mode"));
return;
- }
-
+ }
+#endif
+
if (available()) {
owner()->message(_("Redo"));
hideCursor();
{
if (available()) {
text->copyEnvironmentType();
- // clear the selection, even if mark_set
- toggleSelection();
- text->clearSelection(this);
- update(text, BufferView::SELECT|BufferView::FITCUR);
owner()->message(_("Paragraph environment type copied"));
}
}
void BufferView::copy()
{
if (available()) {
- text->copySelection(this);
- // clear the selection, even if mark_set
- toggleSelection();
- text->clearSelection(this);
- update(text, BufferView::SELECT|BufferView::FITCUR);
+ getLyXText()->copySelection(this);
owner()->message(_("Copy"));
}
}
-void BufferView::cut()
+void BufferView::cut(bool realcut)
{
if (available()) {
hideCursor();
update(text, BufferView::SELECT|BufferView::FITCUR);
- text->cutSelection(this);
+ text->cutSelection(this, true, realcut);
update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
owner()->message(_("Cut"));
}
void BufferView::paste()
{
- if (!available()) return;
+ if (!available())
+ return;
owner()->message(_("Paste"));
hideCursor();
// clear the selection
toggleSelection();
- text->clearSelection(this);
+ text->clearSelection();
update(text, BufferView::SELECT|BufferView::FITCUR);
-
+
// paste
text->pasteSelection(this);
+ // bug 393
+ text->clearSelection();
update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
-
- // clear the selection
+// why fake a selection only I think it should be a real one and not only
+// a painted one (Jug 20020318).
+#if 0
+ // clear the selection
toggleSelection();
- text->clearSelection(this);
+ text->clearSelection();
update(text, BufferView::SELECT|BufferView::FITCUR);
+#endif
}
-
-
-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 */
+/* these functions are for the spellchecker */
string const BufferView::nextWord(float & value)
{
if (!available()) {
return string();
}
- return text->selectNextWord(this, value);
+ return text->selectNextWordToSpellcheck(this, value);
}
-
+
void BufferView::selectLastWord()
{
if (!available()) return;
-
+
+ LyXCursor cur = text->selection.cursor;
hideCursor();
beforeChange(text);
+ text->selection.cursor = cur;
text->selectSelectedWord(this);
toggleSelection(false);
update(text, BufferView::SELECT|BufferView::FITCUR);
void BufferView::endOfSpellCheck()
{
if (!available()) return;
-
+
hideCursor();
beforeChange(text);
text->selectSelectedWord(this);
- text->clearSelection(this);
+ text->clearSelection();
update(text, BufferView::SELECT|BufferView::FITCUR);
}
LyXText * tt = getLyXText();
hideCursor();
update(tt, BufferView::SELECT|BufferView::FITCUR);
-
- /* clear the selection (if there is any) */
+
+ /* clear the selection (if there is any) */
toggleSelection(false);
update(tt, BufferView::SELECT|BufferView::FITCUR);
-
- /* clear the selection (if there is any) */
+
+ /* clear the selection (if there is any) */
toggleSelection(false);
tt->replaceSelectionWithString(this, replacestring);
-
+
tt->setSelectionOverString(this, replacestring);
// Go back so that replacement string is also spellchecked
bool BufferView::lockInset(UpdatableInset * inset)
{
- if (!theLockingInset() && inset) {
- theLockingInset(inset);
+ if (!inset)
+ return false;
+ // don't relock if we're already locked
+ if (theLockingInset() == inset)
return true;
- } else if (inset) {
- return theLockingInset()->lockInsetInInset(this, inset);
+ if (!theLockingInset()) {
+ // first check if it's the inset under the cursor we want lock
+ // should be most of the time
+ char const c = text->cursor.par()->getChar(text->cursor.pos());
+ if (c == Paragraph::META_INSET) {
+ Inset * in = text->cursor.par()->getInset(text->cursor.pos());
+ if (inset == in) {
+ theLockingInset(inset);
+ return true;
+ }
+ }
+ // Then do a deep look of the inset and lock the right one
+ Paragraph * par = buffer()->paragraph;
+ int const id = inset->id();
+ while(par) {
+ Paragraph::inset_iterator it =
+ par->inset_iterator_begin();
+ Paragraph::inset_iterator const end =
+ par->inset_iterator_end();
+ for (; it != end; ++it) {
+ if ((*it) == inset) {
+ text->setCursorIntern(this, par, it.getPos());
+ theLockingInset(inset);
+ return true;
+ }
+ if ((*it)->getInsetFromID(id)) {
+ text->setCursorIntern(this, par, it.getPos());
+ (*it)->edit(this);
+ return theLockingInset()->lockInsetInInset(this, inset);
+ }
+ }
+ par = par->next();
+ }
+ return false;
}
- return false;
+ return theLockingInset()->lockInsetInInset(this, inset);
}
void BufferView::showLockedInsetCursor(int x, int y, int asc, int desc)
{
- if (theLockingInset() && available()) {
+ if (available() && theLockingInset() && !theLockingInset()->nodraw()) {
LyXCursor cursor = text->cursor;
+ Inset * locking_inset = theLockingInset()->getLockingInset();
+
if ((cursor.pos() - 1 >= 0) &&
- (cursor.par()->getChar(cursor.pos() - 1) ==
- Paragraph::META_INSET) &&
+ cursor.par()->isInset(cursor.pos() - 1) &&
(cursor.par()->getInset(cursor.pos() - 1) ==
- theLockingInset()->getLockingInset()))
+ locking_inset))
text->setCursor(this, cursor,
cursor.par(), cursor.pos() - 1);
LyXScreen::Cursor_Shape shape = LyXScreen::BAR_SHAPE;
LyXText * txt = getLyXText();
- if (theLockingInset()->getLockingInset()->lyxCode() ==
- Inset::TEXT_CODE &&
+ if (locking_inset->isTextInset() &&
+ locking_inset->lyxCode() != Inset::ERT_CODE &&
(txt->real_current_font.language() !=
buffer()->params.language
|| txt->real_current_font.isVisibleRightToLeft()
shape = (txt->real_current_font.isVisibleRightToLeft())
? LyXScreen::REVERSED_L_SHAPE
: LyXScreen::L_SHAPE;
- y += cursor.y() + theLockingInset()->insetInInsetY();
- pimpl_->screen_->showManualCursor(text, x, y, asc, desc,
+ y += cursor.iy() + theLockingInset()->insetInInsetY();
+ screen().showManualCursor(text, x, y, asc, desc,
shape);
}
}
void BufferView::hideLockedInsetCursor()
{
if (theLockingInset() && available()) {
- pimpl_->screen_->hideCursor();
+ screen().hideCursor();
}
}
-void BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
+bool BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
{
if (theLockingInset() && available()) {
- y += text->cursor.y() + theLockingInset()->insetInInsetY();
- if (pimpl_->screen_->fitManualCursor(text, this, x, y, asc, desc))
+ y += text->cursor.iy() + theLockingInset()->insetInInsetY();
+ if (screen().fitManualCursor(this, text, x, y, asc, desc)) {
updateScrollbar();
+ return true;
+ }
}
+ return false;
}
int BufferView::unlockInset(UpdatableInset * inset)
{
+ if (!inset)
+ return 0;
if (inset && theLockingInset() == inset) {
inset->insetUnlock(this);
theLockingInset(0);
+ // make sure we update the combo !
+ owner()->setLayout(getLyXText()->cursor.par()->layout()->name());
+ // Tell the paragraph dialog that we changed paragraph
+ owner()->getDialogs()->updateParagraph();
finishUndo();
return 0;
} else if (inset && theLockingInset() &&
theLockingInset()->unlockInsetInInset(this, inset)) {
+ // Tell the paragraph dialog that we changed paragraph
+ owner()->getDialogs()->updateParagraph();
+ // owner inset has updated the layout combo
finishUndo();
return 0;
}
if (kind == Undo::EDIT) // in this case insets would not be stored!
kind = Undo::FINISH;
setUndo(this, kind,
- text->cursor.par(),
- text->cursor.par()->next());
+ text->cursor.par(),
+ text->cursor.par()->next());
}
bool BufferView::ChangeInsets(Inset::Code code,
string const & from, string const & to)
{
- bool flag = false;
- Paragraph * par = buffer()->paragraph;
+ bool need_update = false;
LyXCursor cursor = text->cursor;
LyXCursor tmpcursor = cursor;
cursor.par(tmpcursor.par());
cursor.pos(tmpcursor.pos());
- while (par) {
- bool flag2 = false;
- for (Paragraph::inset_iterator it = par->inset_iterator_begin();
- it != par->inset_iterator_end(); ++it) {
- if ((*it)->lyxCode() == code) {
- InsetCommand * inset = static_cast<InsetCommand *>(*it);
+ ParIterator end = buffer()->par_iterator_end();
+ for (ParIterator it = buffer()->par_iterator_begin();
+ it != end; ++it) {
+ Paragraph * par = *it;
+ bool changed_inset = false;
+ for (Paragraph::inset_iterator it2 = par->inset_iterator_begin();
+ it2 != par->inset_iterator_end(); ++it2) {
+ if ((*it2)->lyxCode() == code) {
+ InsetCommand * inset = static_cast<InsetCommand *>(*it2);
if (inset->getContents() == from) {
inset->setContents(to);
- flag2 = true;
+ changed_inset = true;
}
}
}
- if (flag2) {
- flag = true;
- // 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);
+ if (changed_inset) {
+ need_update = true;
+
+ // FIXME
+
+ // The test it.size()==1 was needed to prevent crashes.
+ // How to set the cursor corretly when it.size()>1 ??
+ if (it.size() == 1) {
+ text->setCursorIntern(this, par, 0);
+ text->redoParagraphs(this, text->cursor,
+ text->cursor.par()->next());
+ text->fullRebreak(this);
+ }
}
- par = par->next();
}
text->setCursorIntern(this, cursor.par(), cursor.pos());
- return flag;
+ return need_update;
}
{
// Check if the label 'from' appears more than once
vector<string> labels = buffer()->getLabelList();
- if (count(labels.begin(), labels.end(), from) > 1)
+
+ if (lyx::count(labels.begin(), labels.end(), from) > 1)
return false;
return ChangeInsets(Inset::REF_CODE, from, to);
}
-bool BufferView::ChangeCitationsIfUnique(string const & from, string const & to)
+bool BufferView::ChangeCitationsIfUnique(string const & from,
+ string const & to)
{
+ typedef pair<string, string> StringPair;
- vector<pair<string,string> > keys = buffer()->getBibkeyList();
- if (count_if(keys.begin(), keys.end(),
- lyx::equal_1st_in_pair<string,string>(from))
+ vector<StringPair> keys = buffer()->getBibkeyList();
+ if (count_if(keys.begin(), keys.end(),
+ lyx::equal_1st_in_pair<StringPair>(from))
> 1)
return false;