#include "FuncCode.h"
#include "FuncRequest.h"
#include "Language.h"
+#include "LyXAction.h"
#include "LyXFunc.h" // only for setMessage()
#include "LyXRC.h"
-#include "paragraph_funcs.h"
#include "Paragraph.h"
#include "ParIterator.h"
#include "Row.h"
return true;
}
-docstring parbreak(Paragraph const & par)
-{
- odocstringstream os;
- os << '\n';
- // only add blank line if we're not in an ERT or Listings inset
- if (par.ownerCode() != ERT_CODE && par.ownerCode() != LISTINGS_CODE)
- os << '\n';
- return os.str();
-}
-
} // namespace anon
Cursor::Cursor(BufferView & bv)
: DocIterator(&bv.buffer()), bv_(&bv), anchor_(),
x_target_(-1), textTargetOffset_(0),
- selection_(false), mark_(false), logicalpos_(false),
- current_font(inherit_font)
+ selection_(false), mark_(false), word_selection_(false),
+ logicalpos_(false), current_font(inherit_font)
{}
-void Cursor::reset(Inset & inset)
+void Cursor::reset()
{
clear();
- push_back(CursorSlice(inset));
- anchor_ = doc_iterator_begin(&inset.buffer(), &inset);
+ push_back(CursorSlice(buffer()->inset()));
+ anchor_ = doc_iterator_begin(buffer());
anchor_.clear();
clearTargetX();
selection_ = false;
}
+bool Cursor::getStatus(FuncRequest const & cmd, FuncStatus & status) const
+{
+ Cursor cur = *this;
+
+ // Try to fix cursor in case it is broken.
+ cur.fixIfBroken();
+
+ // Is this a function that acts on inset at point?
+ Inset * inset = cur.nextInset();
+ if (lyxaction.funcHasFlag(cmd.action, LyXAction::AtPoint)
+ && inset && inset->getStatus(cur, cmd, status))
+ return true;
+
+ // This is, of course, a mess. Better create a new doc iterator and use
+ // this in Inset::getStatus. This might require an additional
+ // BufferView * arg, though (which should be avoided)
+ //Cursor safe = *this;
+ bool res = false;
+ for ( ; cur.depth(); cur.pop()) {
+ //lyxerr << "\nCursor::getStatus: cmd: " << cmd << endl << *this << endl;
+ LASSERT(cur.idx() <= cur.lastidx(), /**/);
+ LASSERT(cur.pit() <= cur.lastpit(), /**/);
+ LASSERT(cur.pos() <= cur.lastpos(), /**/);
+
+ // The inset's getStatus() will return 'true' if it made
+ // a definitive decision on whether it want to handle the
+ // request or not. The result of this decision is put into
+ // the 'status' parameter.
+ if (cur.inset().getStatus(cur, cmd, status)) {
+ res = true;
+ break;
+ }
+ }
+ return res;
+}
+
+
void Cursor::dispatch(FuncRequest const & cmd0)
{
LYXERR(Debug::DEBUG, "cmd: " << cmd0 << '\n' << *this);
fixIfBroken();
FuncRequest cmd = cmd0;
Cursor safe = *this;
+
+ buffer()->undo().beginUndoGroup();
+ // Is this a function that acts on inset at point?
+ if (lyxaction.funcHasFlag(cmd.action, LyXAction::AtPoint)
+ && nextInset()) {
+ result().dispatched(true);
+ result().update(Update::FitCursor | Update::Force);
+ FuncRequest tmpcmd = cmd;
+ LYXERR(Debug::DEBUG, "Cursor::dispatch: (AtPoint) cmd: "
+ << cmd0 << endl << *this);
+ nextInset()->dispatch(*this, tmpcmd);
+ if (result().dispatched())
+ return;
+ }
+
// store some values to be used inside of the handlers
beforeDispatchCursor_ = *this;
for (; depth(); pop(), boundary(false)) {
// object will be used again.
if (!disp_.dispatched()) {
LYXERR(Debug::DEBUG, "RESTORING OLD CURSOR!");
+ // We might have invalidated the cursor when removing an empty
+ // paragraph while the cursor could not be moved out the inset
+ // while we initially thought we could. This might happen when
+ // a multiline inset becomes an inline inset when the second
+ // paragraph is removed.
+ if (safe.pit() > safe.lastpit()) {
+ safe.pit() = safe.lastpit();
+ safe.pos() = safe.lastpos();
+ }
operator=(safe);
disp_.update(Update::None);
disp_.dispatched(false);
// are possible which would change it
beforeDispatchCursor_ = safe.beforeDispatchCursor_;
}
+ buffer()->undo().endUndoGroup();
}
LASSERT(!empty(), /**/);
for (int i = depth() - 1; i >= 0; --i) {
int res = operator[](i).inset().currentMode();
- if (res != Inset::UNDECIDED_MODE)
+ bool locked_mode = operator[](i).inset().lockedMode();
+ // Also return UNDECIDED_MODE when the mode is locked,
+ // as in this case it is treated the same as TEXT_MODE
+ if (res != Inset::UNDECIDED_MODE || locked_mode)
return res;
}
return Inset::TEXT_MODE;
}
+void Cursor::setCursorToAnchor()
+{
+ if (selection())
+ setCursor(anchor_);
+}
+
bool Cursor::posBackward()
{
bool moved = (new_cur.pos() != pos()
|| new_cur.pit() != pit()
- || new_cur.boundary() != boundary());
+ || new_cur.boundary() != boundary()
+ || &new_cur.inset() != &inset());
if (moved) {
LYXERR(Debug::RTL, "moving to: " << new_cur.pos()
// The cursor is painted *before* the character at pos(), or, if 'boundary'
// is true, *after* the character at (pos() - 1). So we already have one
// known position around the cursor:
- pos_type known_pos = boundary() ? pos() - 1 : pos();
+ pos_type const known_pos = boundary() && pos() > 0 ? pos() - 1 : pos();
// edge case: if we're at the end of the paragraph, things are a little
// different (because lastpos is a position which does not really "exist"
if (par.isRTL(buf.params())) {
left_pos = -1;
right_pos = bidi.vis2log(row.pos());
- }
- else { // LTR paragraph
+ } else {
+ // LTR paragraph
right_pos = -1;
left_pos = bidi.vis2log(row.endpos() - 1);
}
// For an RTL character, "before" means "to the right" and "after" means
// "to the left"; and for LTR, it's the reverse. So, 'known_pos' is to the
// right of the cursor if (RTL && boundary) or (!RTL && !boundary):
- bool known_pos_on_right = (cur_is_RTL == boundary());
+ bool const known_pos_on_right = cur_is_RTL == boundary();
// So we now know one of the positions surrounding the cursor. Let's
- // determine the other one:
-
+ // determine the other one:
if (known_pos_on_right) {
right_pos = known_pos;
// *visual* position of 'left_pos':
if (bidi.inRange(v_left_pos)
&& bidi.vis2log(v_left_pos) + 1 == row.endpos()
&& row.endpos() < lastpos()
- && par.isSeparator(bidi.vis2log(v_left_pos))) {
+ && par.isSeparator(bidi.vis2log(v_left_pos)))
--v_left_pos;
- }
+
// calculate the logical position of 'left_pos', if in row
if (!bidi.inRange(v_left_pos))
left_pos = -1;
// separator", set 'right_pos' to the *next* position to the right.
if (right_pos + 1 == row.endpos() && row.endpos() < lastpos()
&& par.isSeparator(right_pos)) {
- pos_type v_right_pos = bidi.log2vis(right_pos) + 1;
+ pos_type const v_right_pos = bidi.log2vis(right_pos) + 1;
if (!bidi.inRange(v_right_pos))
right_pos = -1;
else
right_pos = bidi.vis2log(v_right_pos);
}
- }
- else { // known_pos is on the left
+ } else {
+ // known_pos is on the left
left_pos = known_pos;
// *visual* position of 'right_pos'
pos_type v_right_pos = bidi.log2vis(left_pos) + 1;
if (bidi.inRange(v_right_pos)
&& bidi.vis2log(v_right_pos) + 1 == row.endpos()
&& row.endpos() < lastpos()
- && par.isSeparator(bidi.vis2log(v_right_pos))) {
+ && par.isSeparator(bidi.vis2log(v_right_pos)))
++v_right_pos;
- }
+
// calculate the logical position of 'right_pos', if in row
if (!bidi.inRange(v_right_pos))
right_pos = -1;
// separator", set 'left_pos' to the *next* position to the left.
if (left_pos + 1 == row.endpos() && row.endpos() < lastpos()
&& par.isSeparator(left_pos)) {
- pos_type v_left_pos = bidi.log2vis(left_pos) - 1;
+ pos_type const v_left_pos = bidi.log2vis(left_pos) - 1;
if (!bidi.inRange(v_left_pos))
left_pos = -1;
else
// this non-separator-but-last-position-in-row is an inset, then
// we *do* want to stay to the left of it anyway: this is the
// "boundary" which we simulate at insets.
+ // Another exception is when row.endpos() is 0.
- bool right_of_pos = false; // do we want to be to the right of pos?
-
+ // do we want to be to the right of pos?
// as explained above, if at last pos in row, stay to the right
- if ((pos() == row.endpos() - 1) && !par.isInset(pos()))
- right_of_pos = true;
+ bool const right_of_pos = row.endpos() > 0
+ && pos() == row.endpos() - 1 && !par.isInset(pos());
// Now we know if we want to be to the left or to the right of pos,
// let's make sure we are where we want to be.
- bool new_pos_is_RTL =
+ bool const new_pos_is_RTL =
par.getFontSettings(buf.params(), pos()).isVisibleRightToLeft();
- if (new_pos_is_RTL == !right_of_pos) {
+ if (new_pos_is_RTL != right_of_pos) {
++pos();
boundary(true);
}
-
}
- }
- else { // move to rightmost position
+ } else {
+ // move to rightmost position
// if this is an LTR paragraph, and we're at the last row in the
// paragraph, move to lastpos
if (!par.isRTL(buf.params()) && row.endpos() == lastpos())
pos() = lastpos();
else {
- pos() = bidi.vis2log(row.endpos() - 1);
+ pos() = row.endpos() > 0 ? bidi.vis2log(row.endpos() - 1) : 0;
// Moving to the rightmost position in the row, the cursor should
// normally be placed to the *right* of the rightmost position.
// this non-separator-but-last-position-in-row is an inset, then
// we *do* want to stay to the right of it anyway: this is the
// "boundary" which we simulate at insets.
+ // Another exception is when row.endpos() is 0.
- bool left_of_pos = false; // do we want to be to the left of pos?
-
- // as explained above, if at last pos in row, stay to the left
- if ((pos() == row.endpos() - 1) && !par.isInset(pos()))
- left_of_pos = true;
+ // do we want to be to the left of pos?
+ // as explained above, if at last pos in row, stay to the left,
+ // unless the last position is the same as the first.
+ bool const left_of_pos = row.endpos() > 0
+ && pos() == row.endpos() - 1 && !par.isInset(pos());
// Now we know if we want to be to the left or to the right of pos,
// let's make sure we are where we want to be.
- bool new_pos_is_RTL =
+ bool const new_pos_is_RTL =
par.getFontSettings(buf.params(), pos()).isVisibleRightToLeft();
if (new_pos_is_RTL == left_of_pos) {
CursorSlice Cursor::anchor() const
{
+ if (!selection())
+ return top();
LASSERT(anchor_.depth() >= depth(), /**/);
CursorSlice normal = anchor_[depth() - 1];
if (depth() < anchor_.depth() && top() <= normal) {
void Cursor::clearSelection()
{
setSelection(false);
+ setWordSelection(false);
setMark(false);
resetAnchor();
}
}
-void Cursor::niceInsert(docstring const & t, Parse::flags f)
+void Cursor::niceInsert(docstring const & t, Parse::flags f, bool enter)
{
- MathData ar;
+ MathData ar(buffer());
asArray(t, ar, f);
- if (ar.size() == 1)
+ if (ar.size() == 1 && (enter || selection()))
niceInsert(ar[0]);
else
insert(ar);
macroModeClose();
docstring const safe = cap::grabAndEraseSelection(*this);
plainInsert(t);
- // enter the new inset and move the contents of the selection if possible
+ // If possible, enter the new inset and move the contents of the selection
if (t->isActive()) {
posBackward();
// be careful here: don't use 'pushBackward(t)' as this we need to
// push the clone, not the original
pushBackward(*nextInset());
// We may not use niceInsert here (recursion)
- MathData ar;
+ MathData ar(buffer());
asArray(safe, ar);
insert(ar);
}
return false;
InsetMathUnknown * p = activeMacro();
p->finalize();
- MathData selection;
+ MathData selection(buffer());
asArray(p->selection(), selection);
docstring const s = p->name();
--pos();
InsetMathNest * const in = inset().asInsetMath()->asNestInset();
if (in && in->interpretString(*this, s))
return true;
- MathAtom atom = createInsetMath(name);
+ MathAtom atom = buffer()->getMacro(name, *this, false) ?
+ MathAtom(new MathMacro(buffer(), name)) : createInsetMath(name, buffer());
// try to put argument into macro, if we just inserted a macro
bool macroArg = false;
// finally put the macro argument behind, if needed
if (macroArg) {
- if (selection.size() > 1)
+ if (selection.size() > 1 || selection[0]->asScriptInset())
plainInsert(MathAtom(new InsetMathBrace(selection)));
else
insert(selection);
<< pos() << ' ' << lastpos() << " in idx: " << idx()
<< " in atom: '";
odocstringstream os;
- WriteStream wi(os, false, true, false);
+ WriteStream wi(os, false, true, WriteStream::wsDefault);
inset().asInsetMath()->write(wi);
lyxerr << to_utf8(os.str()) << endl;
pos() = lastpos();
else
row = pm.pos2row(pos());
- if (atFirstOrLastRow(up))
+ if (atFirstOrLastRow(up)) {
+ // Is there a place for the cursor to go ? If yes, we
+ // can execute the DEPM, otherwise we should keep the
+ // paragraph to host the cursor.
+ Cursor dummy = *this;
+ bool valid_destination = false;
+ for(; dummy.depth(); dummy.pop())
+ if (!dummy.atFirstOrLastRow(up)) {
+ valid_destination = true;
+ break;
+ }
+
+ // will a next dispatch follow and if there is a new
+ // dispatch will it move the cursor out ?
+ if (depth() > 1 && valid_destination) {
+ // The cursor hasn't changed yet. This happens when
+ // you e.g. move out of an inset. And to give the
+ // DEPM the possibility of doing something we must
+ // provide it with two different cursors. (Lgb, vfr)
+ dummy = *this;
+ dummy.pos() = dummy.pos() == 0 ? dummy.lastpos() : 0;
+ dummy.pit() = dummy.pit() == 0 ? dummy.lastpit() : 0;
+
+ updateNeeded |= bv().checkDepm(dummy, *this);
+ updateTextTargetOffset();
+ }
return false;
+ }
// with and without selection are handled differently
if (!selection()) {
tm.editXY(*this, xo, yo + textRow().descent() + 1);
clearSelection();
- // This happens when you move out of an inset.
- // And to give the DEPM the possibility of doing
- // something we must provide it with two different
- // cursors. (Lgb)
+ // This happens when you move out of an inset.
+ // And to give the DEPM the possibility of doing
+ // something we must provide it with two different
+ // cursors. (Lgb)
Cursor dummy = *this;
if (dummy == old)
++dummy.pos();
if (bv().checkDepm(dummy, old)) {
updateNeeded = true;
- // Make sure that cur gets back whatever happened to dummy(Lgb)
+ // Make sure that cur gets back whatever happened to dummy(Lgb)
operator=(dummy);
}
} else {
- // if there is a selection, we stay out of any inset, and just jump to the right position:
+ // if there is a selection, we stay out of any inset,
+ // and just jump to the right position:
Cursor old = *this;
+ int next_row = row;
if (up) {
if (row > 0) {
- top().pos() = min(tm.x2pos(pit(), row - 1, xo), top().lastpos());
+ --next_row;
} else if (pit() > 0) {
--pit();
TextMetrics & tm = bv_->textMetrics(text());
if (!tm.contains(pit()))
tm.newParMetricsUp();
ParagraphMetrics const & pmcur = tm.parMetrics(pit());
- top().pos() = min(tm.x2pos(pit(), pmcur.rows().size() - 1, xo), top().lastpos());
+ next_row = pmcur.rows().size() - 1;
}
} else {
if (row + 1 < int(pm.rows().size())) {
- top().pos() = min(tm.x2pos(pit(), row + 1, xo), top().lastpos());
+ ++next_row;
} else if (pit() + 1 < int(text()->paragraphs().size())) {
++pit();
TextMetrics & tm = bv_->textMetrics(text());
if (!tm.contains(pit()))
tm.newParMetricsDown();
- top().pos() = min(tm.x2pos(pit(), 0, xo), top().lastpos());
+ next_row = 0;
}
}
+ top().pos() = min(tm.x2pos(pit(), next_row, xo), top().lastpos());
+
+ int const xpos = tm.x2pos(pit(), next_row, xo);
+ bool const at_end_row = xpos == tm.x2pos(pit(), next_row, tm.width());
+ bool const at_beg_row = xpos == tm.x2pos(pit(), next_row, 0);
+
+ if (at_end_row && at_beg_row)
+ // make sure the cursor ends up on this row
+ boundary(false);
+ else
+ boundary(at_end_row);
updateNeeded |= bv().checkDepm(*this, old);
}
} else {
// cursor in between. split cell
MathData::iterator bt = cell().begin();
- MathAtom at = createInsetMath(from_utf8(font));
- at.nucleus()->cell(0) = MathData(bt, bt + pos());
+ MathAtom at = createInsetMath(from_utf8(font), buffer());
+ at.nucleus()->cell(0) = MathData(buffer(), bt, bt + pos());
cell().erase(bt, bt + pos());
popBackward();
plainInsert(at);
}
+static docstring parbreak(InsetCode code)
+{
+ odocstringstream os;
+ os << '\n';
+ // only add blank line if we're not in an ERT or Listings inset
+ if (code != ERT_CODE && code != LISTINGS_CODE)
+ os << '\n';
+ return os.str();
+}
+
+
docstring Cursor::selectionAsString(bool with_label) const
{
if (!selection())
return docstring();
+ if (inMathed())
+ return cap::grabSelection(*this);
+
int const label = with_label
? AS_STR_LABEL | AS_STR_INSETS : AS_STR_INSETS;
- if (inTexted()) {
- idx_type const startidx = selBegin().idx();
- idx_type const endidx = selEnd().idx();
- if (startidx != endidx) {
- // multicell selection
- InsetTabular * table = inset().asInsetTabular();
- LASSERT(table, return docstring());
- return table->asString(startidx, endidx);
- }
-
- ParagraphList const & pars = text()->paragraphs();
-
- pit_type const startpit = selBegin().pit();
- pit_type const endpit = selEnd().pit();
- size_t const startpos = selBegin().pos();
- size_t const endpos = selEnd().pos();
-
- if (startpit == endpit)
- return pars[startpit].asString(startpos, endpos, label);
-
- // First paragraph in selection
- docstring result = pars[startpit].
- asString(startpos, pars[startpit].size(), label)
- + parbreak(pars[startpit]);
-
- // The paragraphs in between (if any)
- for (pit_type pit = startpit + 1; pit != endpit; ++pit) {
- Paragraph const & par = pars[pit];
- result += par.asString(0, par.size(), label)
- + parbreak(pars[pit]);
- }
+ idx_type const startidx = selBegin().idx();
+ idx_type const endidx = selEnd().idx();
+ if (startidx != endidx) {
+ // multicell selection
+ InsetTabular * table = inset().asInsetTabular();
+ LASSERT(table, return docstring());
+ return table->asString(startidx, endidx);
+ }
+
+ ParagraphList const & pars = text()->paragraphs();
+
+ pit_type const startpit = selBegin().pit();
+ pit_type const endpit = selEnd().pit();
+ size_t const startpos = selBegin().pos();
+ size_t const endpos = selEnd().pos();
+
+ if (startpit == endpit)
+ return pars[startpit].asString(startpos, endpos, label);
- // Last paragraph in selection
- result += pars[endpit].asString(0, endpos, label);
+ // First paragraph in selection
+ docstring result = pars[startpit].
+ asString(startpos, pars[startpit].size(), label)
+ + parbreak(inset().lyxCode());
- return result;
+ // The paragraphs in between (if any)
+ for (pit_type pit = startpit + 1; pit != endpit; ++pit) {
+ Paragraph const & par = pars[pit];
+ result += par.asString(0, par.size(), label)
+ + parbreak(inset().lyxCode());
}
- if (inMathed())
- return cap::grabSelection(*this);
+ // Last paragraph in selection
+ result += pars[endpit].asString(0, endpos, label);
- return docstring();
+ return result;
}
CursorSlice const & sl = innerTextSlice();
Text const & text = *sl.text();
Font font = text.getPar(sl.pit()).getFont(
- bv().buffer().params(), sl.pos(), outerFont(sl.pit(), text.paragraphs()));
+ bv().buffer().params(), sl.pos(), text.outerFont(sl.pit()));
return font.language()->encoding();
}
// get font at the position
Font font = par.getFont(buffer()->params(), pos,
- outerFont(sl.pit(), text.paragraphs()));
+ text.outerFont(sl.pit()));
return font;
}
&& !cur.buffer()->isClean()
&& cur.inTexted() && old.inTexted()
&& cur.pit() != old.pit()) {
- old.paragraph().updateWords(old.top());
+ old.paragraph().updateWords();
}
// notify everything on top of the common part in old cursor,
// but stop if the inset claims the cursor to be invalid now
for (size_type j = i; j < old.depth(); ++j) {
- Cursor insetPos = old;
- insetPos.cutOff(j);
- if (old[j].inset().notifyCursorLeaves(insetPos, cur))
+ Cursor inset_pos = old;
+ inset_pos.cutOff(j);
+ if (old[j].inset().notifyCursorLeaves(inset_pos, cur))
return true;
}
{
Buffer const * master = buffer()->masterBuffer();
master->tocBackend().updateItem(*this);
+ if (master != buffer() && !master->hasGuiDelegate())
+ // In case the master has no gui associated with it,
+ // the TocItem is not updated (part of bug 5699).
+ buffer()->tocBackend().updateItem(*this);
}