+++ /dev/null
-/**
- * \file InsetMathNest.cpp
- * This file is part of LyX, the document processor.
- * Licence details can be found in the file COPYING.
- *
- * \author André Pönitz
- *
- * Full author contact details are available in file CREDITS.
- */
-
-#include <config.h>
-
-#include "InsetMathNest.h"
-
-#include "InsetMathArray.h"
-#include "InsetMathBig.h"
-#include "InsetMathBox.h"
-#include "InsetMathBrace.h"
-#include "InsetMathColor.h"
-#include "InsetMathComment.h"
-#include "InsetMathDelim.h"
-#include "InsetMathHull.h"
-#include "InsetMathRef.h"
-#include "InsetMathScript.h"
-#include "InsetMathSpace.h"
-#include "InsetMathSymbol.h"
-#include "InsetMathUnknown.h"
-#include "MathData.h"
-#include "MathFactory.h"
-#include "MathMacro.h"
-#include "MathMacroArgument.h"
-#include "MathParser.h"
-#include "MathStream.h"
-#include "MathSupport.h"
-
-#include "Bidi.h"
-#include "Buffer.h"
-#include "BufferView.h"
-#include "CoordCache.h"
-#include "Cursor.h"
-#include "CutAndPaste.h"
-#include "DispatchResult.h"
-#include "FuncRequest.h"
-#include "FuncStatus.h"
-#include "LyXFunc.h"
-#include "LyXRC.h"
-#include "OutputParams.h"
-#include "Text.h"
-
-#include "frontends/Clipboard.h"
-#include "frontends/Painter.h"
-#include "frontends/Selection.h"
-
-#include "support/debug.h"
-#include "support/gettext.h"
-#include "support/lstrings.h"
-#include "support/textutils.h"
-#include "support/docstream.h"
-
-#include <algorithm>
-#include <deque>
-#include <sstream>
-
-using namespace std;
-using namespace lyx::support;
-
-namespace lyx {
-
-using cap::copySelection;
-using cap::grabAndEraseSelection;
-using cap::cutSelection;
-using cap::replaceSelection;
-using cap::selClearOrDel;
-
-
-InsetMathNest::InsetMathNest(idx_type nargs)
- : cells_(nargs), lock_(false), mouse_hover_(false)
-{}
-
-
-InsetMathNest::InsetMathNest(InsetMathNest const & inset)
- : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_),
- mouse_hover_(false)
-{}
-
-
-InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
-{
- cells_ = inset.cells_;
- lock_ = inset.lock_;
- mouse_hover_ = false;
- InsetMath::operator=(inset);
- return *this;
-}
-
-
-InsetMath::idx_type InsetMathNest::nargs() const
-{
- return cells_.size();
-}
-
-
-void InsetMathNest::cursorPos(BufferView const & bv,
- CursorSlice const & sl, bool /*boundary*/,
- int & x, int & y) const
-{
-// FIXME: This is a hack. Ideally, the coord cache should not store
-// absolute positions, but relative ones. This would mean to call
-// setXY() not in MathData::draw(), but in the parent insets' draw()
-// with the correctly adjusted x,y values. But this means that we'd have
-// to touch all (math)inset's draw() methods. Right now, we'll store
-// absolute value, and make them here relative, only to make them
-// absolute again when actually drawing the cursor. What a mess.
- BOOST_ASSERT(&sl.inset() == this);
- MathData const & ar = sl.cell();
- CoordCache const & coord_cache = bv.coordCache();
- if (!coord_cache.getArrays().has(&ar)) {
- // this can (semi-)legally happen if we just created this cell
- // and it never has been drawn before. So don't ASSERT.
- //lyxerr << "no cached data for array " << &ar << endl;
- x = 0;
- y = 0;
- return;
- }
- Point const pt = coord_cache.getArrays().xy(&ar);
- if (!coord_cache.getInsets().has(this)) {
- // same as above
- //lyxerr << "no cached data for inset " << this << endl;
- x = 0;
- y = 0;
- return;
- }
- Point const pt2 = coord_cache.getInsets().xy(this);
- //lyxerr << "retrieving position cache for MathData "
- // << pt.x_ << ' ' << pt.y_ << endl;
- x = pt.x_ - pt2.x_ + ar.pos2x(&bv, sl.pos());
- y = pt.y_ - pt2.y_;
-// lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
-// << " asc: " << ascent() << " des: " << descent()
-// << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
- // move cursor visually into empty cells ("blue rectangles");
- if (ar.empty())
- x += 2;
-}
-
-
-void InsetMathNest::metrics(MetricsInfo const & mi) const
-{
- MetricsInfo m = mi;
- for (idx_type i = 0, n = nargs(); i != n; ++i) {
- Dimension dim;
- cell(i).metrics(m, dim);
- }
-}
-
-
-bool InsetMathNest::idxNext(Cursor & cur) const
-{
- BOOST_ASSERT(&cur.inset() == this);
- if (cur.idx() == cur.lastidx())
- return false;
- ++cur.idx();
- cur.pos() = 0;
- return true;
-}
-
-
-bool InsetMathNest::idxForward(Cursor & cur) const
-{
- return idxNext(cur);
-}
-
-
-bool InsetMathNest::idxPrev(Cursor & cur) const
-{
- BOOST_ASSERT(&cur.inset() == this);
- if (cur.idx() == 0)
- return false;
- --cur.idx();
- cur.pos() = cur.lastpos();
- return true;
-}
-
-
-bool InsetMathNest::idxBackward(Cursor & cur) const
-{
- return idxPrev(cur);
-}
-
-
-bool InsetMathNest::idxFirst(Cursor & cur) const
-{
- BOOST_ASSERT(&cur.inset() == this);
- if (nargs() == 0)
- return false;
- cur.idx() = 0;
- cur.pos() = 0;
- return true;
-}
-
-
-bool InsetMathNest::idxLast(Cursor & cur) const
-{
- BOOST_ASSERT(&cur.inset() == this);
- if (nargs() == 0)
- return false;
- cur.idx() = cur.lastidx();
- cur.pos() = cur.lastpos();
- return true;
-}
-
-
-void InsetMathNest::dump() const
-{
- odocstringstream oss;
- WriteStream os(oss);
- os << "---------------------------------------------\n";
- write(os);
- os << "\n";
- for (idx_type i = 0, n = nargs(); i != n; ++i)
- os << cell(i) << "\n";
- os << "---------------------------------------------\n";
- lyxerr << to_utf8(oss.str());
-}
-
-
-void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
-{
-#if 0
- if (lock_)
- pi.pain.fillRectangle(x, y - ascent(), width(), height(),
- Color_mathlockbg);
-#endif
- setPosCache(pi, x, y);
-}
-
-
-void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
-{
- BufferView & bv = *pi.base.bv;
- // this should use the x/y values given, not the cached values
- Cursor & cur = bv.cursor();
- if (!cur.selection())
- return;
- if (&cur.inset() != this)
- return;
-
- // FIXME: hack to get position cache warm
- bool const original_drawing_state = pi.pain.isDrawingEnabled();
- pi.pain.setDrawingEnabled(false);
- draw(pi, x, y);
- pi.pain.setDrawingEnabled(original_drawing_state);
-
- CursorSlice s1 = cur.selBegin();
- CursorSlice s2 = cur.selEnd();
-
- //lyxerr << "InsetMathNest::drawing selection: "
- // << " s1: " << s1 << " s2: " << s2 << endl;
- if (s1.idx() == s2.idx()) {
- MathData const & c = cell(s1.idx());
- Geometry const & g = bv.coordCache().getArrays().geometry(&c);
- int x1 = g.pos.x_ + c.pos2x(pi.base.bv, s1.pos());
- int y1 = g.pos.y_ - g.dim.ascent();
- int x2 = g.pos.x_ + c.pos2x(pi.base.bv, s2.pos());
- int y2 = g.pos.y_ + g.dim.descent();
- pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
- //lyxerr << "InsetMathNest::drawing selection 3: "
- // << " x1: " << x1 << " x2: " << x2
- // << " y1: " << y1 << " y2: " << y2 << endl;
- } else {
- for (idx_type i = 0; i < nargs(); ++i) {
- if (idxBetween(i, s1.idx(), s2.idx())) {
- MathData const & c = cell(i);
- Geometry const & g = bv.coordCache().getArrays().geometry(&c);
- int x1 = g.pos.x_;
- int y1 = g.pos.y_ - g.dim.ascent();
- int x2 = g.pos.x_ + g.dim.width();
- int y2 = g.pos.y_ + g.dim.descent();
- pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
- }
- }
- }
-}
-
-
-void InsetMathNest::validate(LaTeXFeatures & features) const
-{
- for (idx_type i = 0; i < nargs(); ++i)
- cell(i).validate(features);
-}
-
-
-void InsetMathNest::replace(ReplaceData & rep)
-{
- for (idx_type i = 0; i < nargs(); ++i)
- cell(i).replace(rep);
-}
-
-
-bool InsetMathNest::contains(MathData const & ar) const
-{
- for (idx_type i = 0; i < nargs(); ++i)
- if (cell(i).contains(ar))
- return true;
- return false;
-}
-
-
-bool InsetMathNest::lock() const
-{
- return lock_;
-}
-
-
-void InsetMathNest::lock(bool l)
-{
- lock_ = l;
-}
-
-
-bool InsetMathNest::isActive() const
-{
- return nargs() > 0;
-}
-
-
-MathData InsetMathNest::glue() const
-{
- MathData ar;
- for (size_t i = 0; i < nargs(); ++i)
- ar.append(cell(i));
- return ar;
-}
-
-
-void InsetMathNest::write(WriteStream & os) const
-{
- os << '\\' << name().c_str();
- for (size_t i = 0; i < nargs(); ++i)
- os << '{' << cell(i) << '}';
- if (nargs() == 0)
- os.pendingSpace(true);
- if (lock_ && !os.latex()) {
- os << "\\lyxlock";
- os.pendingSpace(true);
- }
-}
-
-
-void InsetMathNest::normalize(NormalStream & os) const
-{
- os << '[' << name().c_str();
- for (size_t i = 0; i < nargs(); ++i)
- os << ' ' << cell(i);
- os << ']';
-}
-
-
-int InsetMathNest::latex(Buffer const &, odocstream & os,
- OutputParams const & runparams) const
-{
- WriteStream wi(os, runparams.moving_arg, true);
- write(wi);
- return wi.line();
-}
-
-
-bool InsetMathNest::setMouseHover(bool mouse_hover)
-{
- mouse_hover_ = mouse_hover;
- return true;
-}
-
-
-bool InsetMathNest::notifyCursorLeaves(Cursor & /*cur*/)
-{
- // FIXME: look here
-#if 0
- MathData & ar = cur.cell();
- // remove base-only "scripts"
- for (pos_type i = 0; i + 1 < ar.size(); ++i) {
- InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
- if (p && p->nargs() == 1) {
- MathData ar = p->nuc();
- erase(i);
- insert(i, ar);
- cur.adjust(i, ar.size() - 1);
- }
- }
-
- // glue adjacent font insets of the same kind
- for (pos_type i = 0; i + 1 < size(); ++i) {
- InsetMathFont * p = operator[](i).nucleus()->asFontInset();
- InsetMathFont const * q = operator[](i + 1)->asFontInset();
- if (p && q && p->name() == q->name()) {
- p->cell(0).append(q->cell(0));
- erase(i + 1);
- cur.adjust(i, -1);
- }
- }
-#endif
- return false;
-}
-
-
-void InsetMathNest::handleFont
- (Cursor & cur, docstring const & arg, char const * const font)
-{
- handleFont(cur, arg, from_ascii(font));
-}
-
-
-void InsetMathNest::handleFont
- (Cursor & cur, docstring const & arg, docstring const & font)
-{
- // this whole function is a hack and won't work for incremental font
- // changes...
-
- if (cur.inset().asInsetMath()->name() == font) {
- cur.recordUndoInset();
- cur.handleFont(to_utf8(font));
- } else {
- cur.recordUndo();
- cur.handleNest(createInsetMath(font));
- cur.insert(arg);
- }
-}
-
-
-void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
-{
- cur.recordUndo();
- Font font;
- bool b;
- font.fromString(to_utf8(arg), b);
- if (font.fontInfo().color() != Color_inherit) {
- MathAtom at = MathAtom(new InsetMathColor(true, font.fontInfo().color()));
- cur.handleNest(at, 0);
- }
-}
-
-
-void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
-{
- //lyxerr << "InsetMathNest: request: " << cmd << endl;
- //CursorSlice sl = cur.current();
-
- switch (cmd.action) {
-
- case LFUN_PASTE: {
- cur.recordUndo();
- cur.message(_("Paste"));
- replaceSelection(cur);
- docstring topaste;
- if (cmd.argument().empty() && !theClipboard().isInternal())
- topaste = theClipboard().getAsText();
- else {
- size_t n = 0;
- idocstringstream is(cmd.argument());
- is >> n;
- topaste = cap::getSelection(cur.buffer(), n);
- }
- cur.niceInsert(topaste);
- cur.clearSelection(); // bug 393
- cur.finishUndo();
- break;
- }
-
- case LFUN_CUT:
- cur.recordUndo();
- cutSelection(cur, true, true);
- cur.message(_("Cut"));
- // Prevent stale position >= size crash
- // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
- cur.normalize();
- break;
-
- case LFUN_COPY:
- copySelection(cur);
- cur.message(_("Copy"));
- break;
-
- case LFUN_MOUSE_PRESS:
- lfunMousePress(cur, cmd);
- break;
-
- case LFUN_MOUSE_MOTION:
- lfunMouseMotion(cur, cmd);
- break;
-
- case LFUN_MOUSE_RELEASE:
- lfunMouseRelease(cur, cmd);
- break;
-
- case LFUN_FINISHED_LEFT: // in math, left is backwards
- case LFUN_FINISHED_BACKWARD:
- cur.bv().cursor() = cur;
- break;
-
- case LFUN_FINISHED_RIGHT: // in math, right is forward
- case LFUN_FINISHED_FORWARD:
- ++cur.pos();
- cur.bv().cursor() = cur;
- break;
-
- case LFUN_CHAR_RIGHT:
- case LFUN_CHAR_LEFT:
- case LFUN_CHAR_BACKWARD:
- case LFUN_CHAR_FORWARD:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
- case LFUN_CHAR_RIGHT_SELECT:
- case LFUN_CHAR_LEFT_SELECT:
- case LFUN_CHAR_BACKWARD_SELECT:
- case LFUN_CHAR_FORWARD_SELECT: {
- // are we in a selection?
- bool select = (cmd.action == LFUN_CHAR_RIGHT_SELECT
- || cmd.action == LFUN_CHAR_LEFT_SELECT
- || cmd.action == LFUN_CHAR_BACKWARD_SELECT
- || cmd.action == LFUN_CHAR_FORWARD_SELECT);
- // are we moving forward or backwards?
- // If the command was RIGHT or LEFT, then whether we're moving forward
- // or backwards depends on the cursor movement mode (logical or visual):
- // * in visual mode, since math is always LTR, right -> forward,
- // left -> backwards
- // * in logical mode, the mapping is determined by the
- // reverseDirectionNeeded() function
-
- bool forward;
- kb_action finish_lfun;
-
- if (cmd.action == LFUN_CHAR_FORWARD
- || cmd.action == LFUN_CHAR_FORWARD_SELECT) {
- forward = true;
- finish_lfun = LFUN_FINISHED_FORWARD;
- }
- else if (cmd.action == LFUN_CHAR_BACKWARD
- || cmd.action == LFUN_CHAR_BACKWARD_SELECT) {
- forward = false;
- finish_lfun = LFUN_FINISHED_BACKWARD;
- }
- else {
- bool right = (cmd.action == LFUN_CHAR_RIGHT_SELECT
- || cmd.action == LFUN_CHAR_RIGHT);
- if (lyxrc.visual_cursor || !reverseDirectionNeeded(cur))
- forward = right;
- else
- forward = !right;
-
- if (right)
- finish_lfun = LFUN_FINISHED_RIGHT;
- else
- finish_lfun = LFUN_FINISHED_LEFT;
- }
- // Now that we know exactly what we want to do, let's do it!
- cur.selHandle(select);
- cur.autocorrect() = false;
- cur.clearTargetX();
- cur.macroModeClose();
- // try moving forward or backwards as necessary...
- if (!(forward ? cursorMathForward(cur) : cursorMathBackward(cur))) {
- // ... and if movement failed, then finish forward or backwards
- // as necessary
- cmd = FuncRequest(finish_lfun);
- cur.undispatched();
- }
- break;
- }
-
- case LFUN_DOWN:
- case LFUN_UP:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
- case LFUN_DOWN_SELECT:
- case LFUN_UP_SELECT: {
- // close active macro
- if (cur.inMacroMode()) {
- cur.macroModeClose();
- break;
- }
-
- // stop/start the selection
- bool select = cmd.action == LFUN_DOWN_SELECT ||
- cmd.action == LFUN_UP_SELECT;
- cur.selHandle(select);
-
- // go up/down
- bool up = cmd.action == LFUN_UP || cmd.action == LFUN_UP_SELECT;
- bool successful = cur.upDownInMath(up);
- if (successful) {
- // notify left insets and give them chance to set update flags
- lyx::notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
- cur.fixIfBroken();
- break;
- }
-
- if (cur.fixIfBroken())
- // FIXME: Something bad happened. We pass the corrected Cursor
- // instead of letting things go worse.
- break;
-
- // We did not manage to move the cursor.
- cur.undispatched();
- break;
- }
-
- case LFUN_MOUSE_DOUBLE:
- case LFUN_MOUSE_TRIPLE:
- case LFUN_WORD_SELECT:
- cur.pos() = 0;
- cur.idx() = 0;
- cur.resetAnchor();
- cur.selection() = true;
- cur.pos() = cur.lastpos();
- cur.idx() = cur.lastidx();
- break;
-
- case LFUN_PARAGRAPH_UP:
- case LFUN_PARAGRAPH_DOWN:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
- case LFUN_PARAGRAPH_UP_SELECT:
- case LFUN_PARAGRAPH_DOWN_SELECT:
- break;
-
- case LFUN_LINE_BEGIN:
- case LFUN_WORD_BACKWARD:
- case LFUN_WORD_LEFT:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
- case LFUN_LINE_BEGIN_SELECT:
- case LFUN_WORD_BACKWARD_SELECT:
- case LFUN_WORD_LEFT_SELECT:
- cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
- cmd.action == LFUN_WORD_LEFT_SELECT ||
- cmd.action == LFUN_LINE_BEGIN_SELECT);
- cur.macroModeClose();
- if (cur.pos() != 0) {
- cur.pos() = 0;
- } else if (cur.col() != 0) {
- cur.idx() -= cur.col();
- cur.pos() = 0;
- } else if (cur.idx() != 0) {
- cur.idx() = 0;
- cur.pos() = 0;
- } else {
- cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
- cur.undispatched();
- }
- break;
-
- case LFUN_WORD_FORWARD:
- case LFUN_WORD_RIGHT:
- case LFUN_LINE_END:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
- case LFUN_WORD_FORWARD_SELECT:
- case LFUN_WORD_RIGHT_SELECT:
- case LFUN_LINE_END_SELECT:
- cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
- cmd.action == LFUN_WORD_RIGHT_SELECT ||
- cmd.action == LFUN_LINE_END_SELECT);
- cur.macroModeClose();
- cur.clearTargetX();
- if (cur.pos() != cur.lastpos()) {
- cur.pos() = cur.lastpos();
- } else if (ncols() && (cur.col() != cur.lastcol())) {
- cur.idx() = cur.idx() - cur.col() + cur.lastcol();
- cur.pos() = cur.lastpos();
- } else if (cur.idx() != cur.lastidx()) {
- cur.idx() = cur.lastidx();
- cur.pos() = cur.lastpos();
- } else {
- cmd = FuncRequest(LFUN_FINISHED_FORWARD);
- cur.undispatched();
- }
- break;
-
- case LFUN_SCREEN_UP_SELECT:
- cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
- cur.undispatched();
- break;
-
- case LFUN_SCREEN_DOWN_SELECT:
- cmd = FuncRequest(LFUN_FINISHED_FORWARD);
- cur.undispatched();
- break;
-
- case LFUN_CELL_FORWARD:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
- cur.inset().idxNext(cur);
- break;
-
- case LFUN_CELL_BACKWARD:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
- cur.inset().idxPrev(cur);
- break;
-
- case LFUN_WORD_DELETE_BACKWARD:
- case LFUN_CHAR_DELETE_BACKWARD:
- if (cur.pos() == 0)
- // May affect external cell:
- cur.recordUndoInset();
- else
- cur.recordUndo();
- // if the inset can not be removed from within, delete it
- if (!cur.backspace()) {
- FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
- cur.innerText()->dispatch(cur, cmd);
- }
- break;
-
- case LFUN_WORD_DELETE_FORWARD:
- case LFUN_CHAR_DELETE_FORWARD:
- if (cur.pos() == cur.lastpos())
- // May affect external cell:
- cur.recordUndoInset();
- else
- cur.recordUndo();
- // if the inset can not be removed from within, delete it
- if (!cur.erase()) {
- FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
- cur.innerText()->dispatch(cur, cmd);
- }
- break;
-
- case LFUN_ESCAPE:
- if (cur.selection())
- cur.clearSelection();
- else {
- cmd = FuncRequest(LFUN_FINISHED_FORWARD);
- cur.undispatched();
- }
- break;
-
- // 'Locks' the math inset. A 'locked' math inset behaves as a unit
- // that is traversed by a single <CursorLeft>/<CursorRight>.
- case LFUN_INSET_TOGGLE:
- cur.recordUndo();
- lock(!lock());
- cur.popForward();
- break;
-
- case LFUN_SELF_INSERT:
- if (cmd.argument().size() != 1) {
- cur.recordUndo();
- docstring const arg = cmd.argument();
- if (!interpretString(cur, arg))
- cur.insert(arg);
- break;
- }
- // Don't record undo steps if we are in macro mode and
- // cmd.argument is the next character of the macro name.
- // Otherwise we'll get an invalid cursor if we undo after
- // the macro was finished and the macro is a known command,
- // e.g. sqrt. Cursor::macroModeClose replaces in this case
- // the InsetMathUnknown with name "frac" by an empty
- // InsetMathFrac -> a pos value > 0 is invalid.
- // A side effect is that an undo before the macro is finished
- // undoes the complete macro, not only the last character.
- if (!cur.inMacroMode())
- cur.recordUndo();
-
- // spacial handling of space. If we insert an inset
- // via macro mode, we want to put the cursor inside it
- // if relevant. Think typing "\frac<space>".
- if (cmd.argument()[0] == ' '
- && cur.inMacroMode() && cur.macroName() != "\\"
- && cur.macroModeClose()) {
- MathAtom const atom = cur.prevAtom();
- if (atom->asNestInset() && atom->isActive()) {
- cur.posBackward();
- cur.pushBackward(*cur.nextInset());
- }
- } else if (!interpretChar(cur, cmd.argument()[0])) {
- cmd = FuncRequest(LFUN_FINISHED_FORWARD);
- cur.undispatched();
- }
- break;
-
- //case LFUN_SERVER_GET_XY:
- // sprintf(dispatch_buffer, "%d %d",);
- // break;
-
- case LFUN_SERVER_SET_XY: {
- lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
- int x = 0;
- int y = 0;
- istringstream is(to_utf8(cmd.argument()));
- is >> x >> y;
- cur.setScreenPos(x, y);
- break;
- }
-
- // Special casing for superscript in case of LyX handling
- // dead-keys:
- case LFUN_ACCENT_CIRCUMFLEX:
- if (cmd.argument().empty()) {
- // do superscript if LyX handles
- // deadkeys
- cur.recordUndo();
- script(cur, true, grabAndEraseSelection(cur));
- }
- break;
-
- case LFUN_ACCENT_UMLAUT:
- case LFUN_ACCENT_ACUTE:
- case LFUN_ACCENT_GRAVE:
- case LFUN_ACCENT_BREVE:
- case LFUN_ACCENT_DOT:
- case LFUN_ACCENT_MACRON:
- case LFUN_ACCENT_CARON:
- case LFUN_ACCENT_TILDE:
- case LFUN_ACCENT_CEDILLA:
- case LFUN_ACCENT_CIRCLE:
- case LFUN_ACCENT_UNDERDOT:
- case LFUN_ACCENT_TIE:
- case LFUN_ACCENT_OGONEK:
- case LFUN_ACCENT_HUNGARIAN_UMLAUT:
- break;
-
- // Math fonts
- case LFUN_FONT_FREE_APPLY:
- case LFUN_FONT_FREE_UPDATE:
- handleFont2(cur, cmd.argument());
- break;
-
- case LFUN_FONT_BOLD:
- if (currentMode() == TEXT_MODE)
- handleFont(cur, cmd.argument(), "textbf");
- else
- handleFont(cur, cmd.argument(), "mathbf");
- break;
- case LFUN_FONT_SANS:
- if (currentMode() == TEXT_MODE)
- handleFont(cur, cmd.argument(), "textsf");
- else
- handleFont(cur, cmd.argument(), "mathsf");
- break;
- case LFUN_FONT_EMPH:
- if (currentMode() == TEXT_MODE)
- handleFont(cur, cmd.argument(), "emph");
- else
- handleFont(cur, cmd.argument(), "mathcal");
- break;
- case LFUN_FONT_ROMAN:
- if (currentMode() == TEXT_MODE)
- handleFont(cur, cmd.argument(), "textrm");
- else
- handleFont(cur, cmd.argument(), "mathrm");
- break;
- case LFUN_FONT_TYPEWRITER:
- if (currentMode() == TEXT_MODE)
- handleFont(cur, cmd.argument(), "texttt");
- else
- handleFont(cur, cmd.argument(), "mathtt");
- break;
- case LFUN_FONT_FRAK:
- handleFont(cur, cmd.argument(), "mathfrak");
- break;
- case LFUN_FONT_ITAL:
- if (currentMode() == TEXT_MODE)
- handleFont(cur, cmd.argument(), "textit");
- else
- handleFont(cur, cmd.argument(), "mathit");
- break;
- case LFUN_FONT_NOUN:
- if (currentMode() == TEXT_MODE)
- // FIXME: should be "noun"
- handleFont(cur, cmd.argument(), "textsc");
- else
- handleFont(cur, cmd.argument(), "mathbb");
- break;
- /*
- case LFUN_FONT_FREE_APPLY:
- handleFont(cur, cmd.argument(), "textrm");
- break;
- */
- case LFUN_FONT_DEFAULT:
- handleFont(cur, cmd.argument(), "textnormal");
- break;
-
- case LFUN_MATH_MODE: {
-#if 1
- // ignore math-mode on when already in math mode
- if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
- break;
- cur.macroModeClose();
- docstring const save_selection = grabAndEraseSelection(cur);
- selClearOrDel(cur);
- //cur.plainInsert(MathAtom(new InsetMathMBox(cur.bv())));
- cur.plainInsert(MathAtom(new InsetMathBox(from_ascii("mbox"))));
- cur.posBackward();
- cur.pushBackward(*cur.nextInset());
- cur.niceInsert(save_selection);
-#else
- if (currentMode() == Inset::TEXT_MODE) {
- cur.niceInsert(MathAtom(new InsetMathHull("simple")));
- cur.message(_("create new math text environment ($...$)"));
- } else {
- handleFont(cur, cmd.argument(), "textrm");
- cur.message(_("entered math text mode (textrm)"));
- }
-#endif
- break;
- }
-
- case LFUN_MATH_SIZE:
-#if 0
- cur.recordUndo();
- cur.setSize(arg);
-#endif
- break;
-
- case LFUN_MATH_MATRIX: {
- cur.recordUndo();
- unsigned int m = 1;
- unsigned int n = 1;
- docstring v_align;
- docstring h_align;
- idocstringstream is(cmd.argument());
- is >> m >> n >> v_align >> h_align;
- if (m < 1)
- m = 1;
- if (n < 1)
- n = 1;
- v_align += 'c';
- cur.niceInsert(
- MathAtom(new InsetMathArray(from_ascii("array"), m, n, (char)v_align[0], h_align)));
- break;
- }
-
- case LFUN_MATH_DELIM: {
- docstring ls;
- docstring rs = split(cmd.argument(), ls, ' ');
- // Reasonable default values
- if (ls.empty())
- ls = '(';
- if (rs.empty())
- rs = ')';
- cur.recordUndo();
- cur.handleNest(MathAtom(new InsetMathDelim(ls, rs)));
- break;
- }
-
- case LFUN_MATH_BIGDELIM: {
- docstring const lname = from_utf8(cmd.getArg(0));
- docstring const ldelim = from_utf8(cmd.getArg(1));
- docstring const rname = from_utf8(cmd.getArg(2));
- docstring const rdelim = from_utf8(cmd.getArg(3));
- latexkeys const * l = in_word_set(lname);
- bool const have_l = l && l->inset == "big" &&
- InsetMathBig::isBigInsetDelim(ldelim);
- l = in_word_set(rname);
- bool const have_r = l && l->inset == "big" &&
- InsetMathBig::isBigInsetDelim(rdelim);
- // We mimic LFUN_MATH_DELIM in case we have an empty left
- // or right delimiter.
- if (have_l || have_r) {
- cur.recordUndo();
- docstring const selection = grabAndEraseSelection(cur);
- selClearOrDel(cur);
- if (have_l)
- cur.insert(MathAtom(new InsetMathBig(lname,
- ldelim)));
- cur.niceInsert(selection);
- if (have_r)
- cur.insert(MathAtom(new InsetMathBig(rname,
- rdelim)));
- }
- // Don't call cur.undispatched() if we did nothing, this would
- // lead to infinite recursion via Text::dispatch().
- break;
- }
-
- case LFUN_SPACE_INSERT:
- case LFUN_MATH_SPACE:
- cur.recordUndo();
- cur.insert(MathAtom(new InsetMathSpace(from_ascii(","))));
- break;
-
- case LFUN_ERT_INSERT:
- // interpret this as if a backslash was typed
- cur.recordUndo();
- interpretChar(cur, '\\');
- break;
-
- case LFUN_MATH_SUBSCRIPT:
- // interpret this as if a _ was typed
- cur.recordUndo();
- interpretChar(cur, '_');
- break;
-
- case LFUN_MATH_SUPERSCRIPT:
- // interpret this as if a ^ was typed
- cur.recordUndo();
- interpretChar(cur, '^');
- break;
-
- case LFUN_MATH_MACRO_FOLD:
- case LFUN_MATH_MACRO_UNFOLD: {
- Cursor it = cur;
- bool fold = cmd.action == LFUN_MATH_MACRO_FOLD;
- bool found = findMacroToFoldUnfold(it, fold);
- if (found) {
- MathMacro * macro = it.nextInset()->asInsetMath()->asMacro();
- cur.recordUndoInset();
- if (fold)
- macro->fold(cur);
- else
- macro->unfold(cur);
- }
- break;
- }
-
- case LFUN_QUOTE_INSERT:
- // interpret this as if a straight " was typed
- cur.recordUndo();
- interpretChar(cur, '\"');
- break;
-
-// FIXME: We probably should swap parts of "math-insert" and "self-insert"
-// handling such that "self-insert" works on "arbitrary stuff" too, and
-// math-insert only handles special math things like "matrix".
- case LFUN_MATH_INSERT: {
- cur.recordUndo();
- if (cmd.argument() == "^" || cmd.argument() == "_") {
- interpretChar(cur, cmd.argument()[0]);
- } else
- cur.niceInsert(cmd.argument());
- break;
- }
-
- case LFUN_DIALOG_SHOW_NEW_INSET: {
- docstring const & name = cmd.argument();
- string data;
- if (name == "ref") {
- InsetMathRef tmp(name);
- data = tmp.createDialogStr(to_utf8(name));
- }
- cur.bv().showDialog(to_utf8(name), data);
- break;
- }
-
- case LFUN_INSET_INSERT: {
- MathData ar;
- if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
- cur.recordUndo();
- cur.insert(ar);
- } else
- cur.undispatched();
- break;
- }
- case LFUN_INSET_DISSOLVE:
- if (!asHullInset()) {
- cur.recordUndoInset();
- cur.pullArg();
- }
- break;
-
- default:
- InsetMath::doDispatch(cur, cmd);
- break;
- }
-}
-
-
-bool InsetMathNest::findMacroToFoldUnfold(Cursor & it, bool fold) const {
- // look for macro to open/close, but stay in mathed
- for (; !it.empty(); it.pop_back()) {
-
- // go backward through the current cell
- Inset * inset = it.nextInset();
- while (inset && inset->asInsetMath()) {
- MathMacro * macro = inset->asInsetMath()->asMacro();
- if (macro) {
- // found the an macro to open/close?
- if (macro->folded() != fold)
- return true;
-
- // Wrong folding state.
- // If this was the first we see in this slice, look further left,
- // otherwise go up.
- if (inset != it.nextInset())
- break;
- }
-
- // go up if this was the left most position
- if (it.pos() == 0)
- break;
-
- // go left
- it.pos()--;
- inset = it.nextInset();
- }
- }
-
- return false;
-}
-
-
-bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
- FuncStatus & flag) const
-{
- // the font related toggles
- //string tc = "mathnormal";
- bool ret = true;
- string const arg = to_utf8(cmd.argument());
- switch (cmd.action) {
- case LFUN_TABULAR_FEATURE:
- flag.enabled(false);
- break;
-#if 0
- case LFUN_TABULAR_FEATURE:
- // FIXME: check temporarily disabled
- // valign code
- char align = mathcursor::valign();
- if (align == '\0') {
- enable = false;
- break;
- }
- if (cmd.argument().empty()) {
- flag.clear();
- break;
- }
- if (!contains("tcb", cmd.argument()[0])) {
- enable = false;
- break;
- }
- flag.setOnOff(cmd.argument()[0] == align);
- break;
-#endif
- /// We have to handle them since 1.4 blocks all unhandled actions
- case LFUN_FONT_ITAL:
- case LFUN_FONT_BOLD:
- case LFUN_FONT_SANS:
- case LFUN_FONT_EMPH:
- case LFUN_FONT_TYPEWRITER:
- case LFUN_FONT_NOUN:
- case LFUN_FONT_ROMAN:
- case LFUN_FONT_DEFAULT:
- flag.enabled(true);
- break;
- case LFUN_MATH_MUTATE:
- //flag.setOnOff(mathcursor::formula()->hullType() == to_utf8(cmd.argument()));
- flag.setOnOff(false);
- break;
-
- // we just need to be in math mode to enable that
- case LFUN_MATH_SIZE:
- case LFUN_MATH_SPACE:
- case LFUN_MATH_LIMITS:
- case LFUN_MATH_EXTERN:
- flag.enabled(true);
- break;
-
- case LFUN_FONT_FRAK:
- flag.enabled(currentMode() != TEXT_MODE);
- break;
-
- case LFUN_MATH_INSERT: {
- bool const textarg =
- arg == "\\textbf" || arg == "\\textsf" ||
- arg == "\\textrm" || arg == "\\textmd" ||
- arg == "\\textit" || arg == "\\textsc" ||
- arg == "\\textsl" || arg == "\\textup" ||
- arg == "\\texttt" || arg == "\\textbb" ||
- arg == "\\textnormal";
- flag.enabled(currentMode() != TEXT_MODE || textarg);
- break;
- }
-
- case LFUN_MATH_MATRIX:
- flag.enabled(currentMode() == MATH_MODE);
- break;
-
- case LFUN_INSET_INSERT: {
- // Don't test createMathInset_fromDialogStr(), since
- // getStatus is not called with a valid reference and the
- // dialog would not be applyable.
- string const name = cmd.getArg(0);
- flag.enabled(name == "ref");
- break;
- }
-
- case LFUN_MATH_DELIM:
- case LFUN_MATH_BIGDELIM:
- // Don't do this with multi-cell selections
- flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
- break;
-
- case LFUN_MATH_MACRO_FOLD:
- case LFUN_MATH_MACRO_UNFOLD: {
- Cursor it = cur;
- bool found = findMacroToFoldUnfold(it, cmd.action == LFUN_MATH_MACRO_FOLD);
- flag.enabled(found);
- break;
- }
-
- case LFUN_SPECIALCHAR_INSERT:
- // FIXME: These would probably make sense in math-text mode
- flag.enabled(false);
- break;
-
- case LFUN_INSET_DISSOLVE:
- flag.enabled(!asHullInset());
- break;
-
- default:
- ret = false;
- break;
- }
- return ret;
-}
-
-
-void InsetMathNest::edit(Cursor & cur, bool front, EntryDirection entry_from)
-{
- cur.push(*this);
- bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_RIGHT ||
- (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
- cur.idx() = enter_front ? 0 : cur.lastidx();
- cur.pos() = enter_front ? 0 : cur.lastpos();
- cur.resetAnchor();
- //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
-}
-
-
-Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
-{
- int idx_min = 0;
- int dist_min = 1000000;
- for (idx_type i = 0, n = nargs(); i != n; ++i) {
- int const d = cell(i).dist(cur.bv(), x, y);
- if (d < dist_min) {
- dist_min = d;
- idx_min = i;
- }
- }
- MathData & ar = cell(idx_min);
- cur.push(*this);
- cur.idx() = idx_min;
- cur.pos() = ar.x2pos(&cur.bv(), x - ar.xo(cur.bv()));
-
- //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
- if (dist_min == 0) {
- // hit inside cell
- for (pos_type i = 0, n = ar.size(); i < n; ++i)
- if (ar[i]->covers(cur.bv(), x, y))
- return ar[i].nucleus()->editXY(cur, x, y);
- }
- return this;
-}
-
-
-void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
-{
- //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
- BufferView & bv = cur.bv();
- bool do_selection = cmd.button() == mouse_button::button1
- && cmd.argument() == "region-select";
- bv.mouseSetCursor(cur, do_selection);
- if (cmd.button() == mouse_button::button1) {
- //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
- // Update the cursor update flags as needed:
- //
- // Update::Decoration: tells to update the decoration
- // (visual box corners that define
- // the inset)/
- // Update::FitCursor: adjust the screen to the cursor
- // position if needed
- // cur.result().update(): don't overwrite previously set flags.
- cur.updateFlags(Update::Decoration | Update::FitCursor
- | cur.result().update());
- } else if (cmd.button() == mouse_button::button2) {
- if (cap::selection()) {
- // See comment in Text::dispatch why we do this
- cap::copySelectionToStack();
- cmd = FuncRequest(LFUN_PASTE, "0");
- doDispatch(bv.cursor(), cmd);
- } else {
- MathData ar;
- asArray(theSelection().get(), ar);
- bv.cursor().insert(ar);
- }
- }
-}
-
-
-void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
-{
- // only select with button 1
- if (cmd.button() == mouse_button::button1) {
- Cursor & bvcur = cur.bv().cursor();
- if (bvcur.anchor_.hasPart(cur)) {
- //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
- bvcur.setCursor(cur);
- bvcur.selection() = true;
- //lyxerr << "MOTION " << bvcur << endl;
- } else
- cur.undispatched();
- }
-}
-
-
-void InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
-{
- //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
-
- if (cmd.button() == mouse_button::button1) {
- if (!cur.selection())
- cur.noUpdate();
- else {
- Cursor & bvcur = cur.bv().cursor();
- bvcur.selection() = true;
- }
- return;
- }
-
- cur.undispatched();
-}
-
-
-bool InsetMathNest::interpretChar(Cursor & cur, char_type c)
-{
- //lyxerr << "interpret 2: '" << c << "'" << endl;
- docstring save_selection;
- if (c == '^' || c == '_')
- save_selection = grabAndEraseSelection(cur);
-
- cur.clearTargetX();
-
- // handle macroMode
- if (cur.inMacroMode()) {
- docstring name = cur.macroName();
-
- /// are we currently typing '#1' or '#2' or...?
- if (name == "\\#") {
- cur.backspace();
- int n = c - '0';
- if (n >= 1 && n <= 9)
- cur.insert(new MathMacroArgument(n));
- return true;
- }
-
- if (isAlphaASCII(c)) {
- cur.activeMacro()->setName(name + docstring(1, c));
- return true;
- }
-
- // handle 'special char' macros
- if (name == "\\") {
- // remove the '\\'
- if (c == '\\') {
- cur.backspace();
- if (currentMode() == InsetMath::TEXT_MODE)
- cur.niceInsert(createInsetMath("textbackslash"));
- else
- cur.niceInsert(createInsetMath("backslash"));
- } else if (c == '{') {
- cur.backspace();
- cur.niceInsert(MathAtom(new InsetMathBrace));
- } else if (c == '%') {
- cur.backspace();
- cur.niceInsert(MathAtom(new InsetMathComment));
- } else if (c == '#') {
- BOOST_ASSERT(cur.activeMacro());
- cur.activeMacro()->setName(name + docstring(1, c));
- } else {
- cur.backspace();
- cur.niceInsert(createInsetMath(docstring(1, c)));
- }
- return true;
- }
-
- // One character big delimiters. The others are handled in
- // interpretString().
- latexkeys const * l = in_word_set(name.substr(1));
- if (name[0] == '\\' && l && l->inset == "big") {
- docstring delim;
- switch (c) {
- case '{':
- delim = from_ascii("\\{");
- break;
- case '}':
- delim = from_ascii("\\}");
- break;
- default:
- delim = docstring(1, c);
- break;
- }
- if (InsetMathBig::isBigInsetDelim(delim)) {
- // name + delim ared a valid InsetMathBig.
- // We can't use cur.macroModeClose() because
- // it does not handle delim.
- InsetMathUnknown * p = cur.activeMacro();
- p->finalize();
- --cur.pos();
- cur.cell().erase(cur.pos());
- cur.plainInsert(MathAtom(
- new InsetMathBig(name.substr(1), delim)));
- return true;
- }
- }
-
- // leave macro mode and try again if necessary
- cur.macroModeClose();
- if (c == '{')
- cur.niceInsert(MathAtom(new InsetMathBrace));
- else if (c != ' ')
- interpretChar(cur, c);
- return true;
- }
-
- // This is annoying as one has to press <space> far too often.
- // Disable it.
-
-#if 0
- // leave autocorrect mode if necessary
- if (autocorrect() && c == ' ') {
- autocorrect() = false;
- return true;
- }
-#endif
-
- // just clear selection on pressing the space bar
- if (cur.selection() && c == ' ') {
- cur.selection() = false;
- return true;
- }
-
- selClearOrDel(cur);
-
- if (c == '\\') {
- //lyxerr << "starting with macro" << endl;
- cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), false)));
- return true;
- }
-
- if (c == '\n') {
- if (currentMode() == InsetMath::TEXT_MODE)
- cur.insert(c);
- return true;
- }
-
- if (c == ' ') {
- if (currentMode() == InsetMath::TEXT_MODE) {
- // insert spaces in text mode,
- // but suppress direct insertion of two spaces in a row
- // the still allows typing '<space>a<space>' and deleting the 'a', but
- // it is better than nothing...
- if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ') {
- cur.insert(c);
- // FIXME: we have to enable full redraw here because of the
- // visual box corners that define the inset. If we know for
- // sure that we stay within the same cell we can optimize for
- // that using:
- //cur.updateFlags(Update::SinglePar | Update::FitCursor);
- }
- return true;
- }
- if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
- cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
- // FIXME: we have to enable full redraw here because of the
- // visual box corners that define the inset. If we know for
- // sure that we stay within the same cell we can optimize for
- // that using:
- //cur.updateFlags(Update::SinglePar | Update::FitCursor);
- return true;
- }
-
- if (cur.popForward()) {
- // FIXME: we have to enable full redraw here because of the
- // visual box corners that define the inset. If we know for
- // sure that we stay within the same cell we can optimize for
- // that using:
- //cur.updateFlags(Update::FitCursor);
- return true;
- }
-
- // if we are at the very end, leave the formula
- return cur.pos() != cur.lastpos();
- }
-
- // These shouldn't work in text mode:
- if (currentMode() != InsetMath::TEXT_MODE) {
- if (c == '_') {
- script(cur, false, save_selection);
- return true;
- }
- if (c == '^') {
- script(cur, true, save_selection);
- return true;
- }
- if (c == '~') {
- cur.niceInsert(createInsetMath("sim"));
- return true;
- }
- }
-
- if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
- c == '%' || c == '_' || c == '^') {
- cur.niceInsert(createInsetMath(docstring(1, c)));
- return true;
- }
-
-
- // try auto-correction
- //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
- // return true;
-
- // no special circumstances, so insert the character without any fuss
- cur.insert(c);
- cur.autocorrect() = true;
- return true;
-}
-
-
-bool InsetMathNest::interpretString(Cursor & cur, docstring const & str)
-{
- // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
- // possible
- if (!cur.empty() && cur.pos() > 0 &&
- cur.cell()[cur.pos() - 1]->asUnknownInset()) {
- if (InsetMathBig::isBigInsetDelim(str)) {
- docstring prev = asString(cur.cell()[cur.pos() - 1]);
- if (prev[0] == '\\') {
- prev = prev.substr(1);
- latexkeys const * l = in_word_set(prev);
- if (l && l->inset == "big") {
- cur.cell()[cur.pos() - 1] =
- MathAtom(new InsetMathBig(prev, str));
- return true;
- }
- }
- }
- }
- return false;
-}
-
-
-bool InsetMathNest::script(Cursor & cur, bool up,
- docstring const & save_selection)
-{
- // Hack to get \^ and \_ working
- //lyxerr << "handling script: up: " << up << endl;
- if (cur.inMacroMode() && cur.macroName() == "\\") {
- if (up)
- cur.niceInsert(createInsetMath("mathcircumflex"));
- else
- interpretChar(cur, '_');
- return true;
- }
-
- cur.macroModeClose();
- if (asScriptInset() && cur.idx() == 0) {
- // we are in a nucleus of a script inset, move to _our_ script
- InsetMathScript * inset = asScriptInset();
- //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
- inset->ensure(up);
- cur.idx() = inset->idxOfScript(up);
- cur.pos() = 0;
- } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
- --cur.pos();
- InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
- cur.push(*inset);
- inset->ensure(up);
- cur.idx() = inset->idxOfScript(up);
- cur.pos() = cur.lastpos();
- } else {
- // convert the thing to our left to a scriptinset or create a new
- // one if in the very first position of the array
- if (cur.pos() == 0) {
- //lyxerr << "new scriptinset" << endl;
- cur.insert(new InsetMathScript(up));
- } else {
- //lyxerr << "converting prev atom " << endl;
- cur.prevAtom() = MathAtom(new InsetMathScript(cur.prevAtom(), up));
- }
- --cur.pos();
- InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
- // See comment in MathParser.cpp for special handling of {}-bases
-
- cur.push(*inset);
- cur.idx() = 1;
- cur.pos() = 0;
- }
- //lyxerr << "inserting selection 1:\n" << save_selection << endl;
- cur.niceInsert(save_selection);
- cur.resetAnchor();
- //lyxerr << "inserting selection 2:\n" << save_selection << endl;
- return true;
-}
-
-
-bool InsetMathNest::completionSupported(Cursor const & cur) const
-{
- return cur.inMacroMode();
-}
-
-
-bool InsetMathNest::inlineCompletionSupported(Cursor const & cur) const
-{
- return cur.inMacroMode();
-}
-
-
-bool InsetMathNest::automaticInlineCompletion() const
-{
- return lyxrc.completion_inline_math;
-}
-
-
-bool InsetMathNest::automaticPopupCompletion() const
-{
- return lyxrc.completion_popup_math;
-}
-
-
-Inset::CompletionListPtr InsetMathNest::completionList(Cursor const & cur) const
-{
- if (!cur.inMacroMode())
- return CompletionListPtr();
-
- return CompletionListPtr(new MathCompletionList(cur));
-}
-
-
-docstring InsetMathNest::completionPrefix(Cursor const & cur) const
-{
- if (!cur.inMacroMode())
- return docstring();
-
- return cur.activeMacro()->name();
-}
-
-
-bool InsetMathNest::insertCompletion(Cursor & cur, docstring const & s,
- bool finished)
-{
- if (!cur.inMacroMode())
- return false;
-
- // append completion to active macro
- InsetMathUnknown * inset = cur.activeMacro();
- inset->setName(inset->name() + s);
-
- // finish macro
- if (finished) {
-#if 0
- // FIXME: this creates duplicates in the completion popup
- // which looks ugly. Moreover the changes the list lengths
- // which seems to
- confuse the popup as well.
- MathCompletionList::addToFavorites(inset->name());
-#endif
- lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, " "));
- }
-
- return true;
-}
-
-
-void InsetMathNest::completionPosAndDim(Cursor const & cur, int & x, int & y,
- Dimension & dim) const
-{
- Inset const * inset = cur.activeMacro();
- if (!inset)
- return;
-
- // get inset dimensions
- dim = cur.bv().coordCache().insets().dim(inset);
- // FIXME: these 3 are no accurate, but should depend on the font.
- // Now the popup jumps down if you enter a char with descent > 0.
- dim.des += 3;
- dim.asc += 3;
-
- // and position
- Point xy
- = cur.bv().coordCache().insets().xy(inset);
- x = xy.x_;
- y = xy.y_;
-}
-
-
-bool InsetMathNest::cursorMathForward(Cursor & cur)
-{
- if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
- cur.pushBackward(*cur.nextAtom().nucleus());
- cur.inset().idxFirst(cur);
- return true;
- }
- if (cur.posForward() || idxForward(cur) || cur.selection())
- return true;
- // try to pop forwards --- but don't pop out of math! leave that to
- // the FINISH lfuns
- int s = cur.depth() - 2;
- if (s >= 0 && cur[s].inset().asInsetMath())
- return cur.popForward();
- return false;
-}
-
-
-bool InsetMathNest::cursorMathBackward(Cursor & cur)
-{
- if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
- cur.posBackward();
- cur.push(*cur.nextAtom().nucleus());
- cur.inset().idxLast(cur);
- return true;
- }
- if (cur.posBackward() || idxBackward(cur) || cur.selection())
- return true;
- // try to pop backwards --- but don't pop out of math! leave that to
- // the FINISH lfuns
- int s = cur.depth() - 2;
- if (s >= 0 && cur[s].inset().asInsetMath())
- return cur.popBackward();
- return false;
-}
-
-
-////////////////////////////////////////////////////////////////////
-
-MathCompletionList::MathCompletionList(Cursor const & cur)
-{
- // fill it with macros from the buffer
- Buffer::MacroNameSet macros;
- cur.buffer().listMacroNames(macros);
- Buffer::MacroNameSet::const_iterator it;
- for (it = macros.begin(); it != macros.end(); ++it) {
- if (cur.buffer().getMacro(*it, cur, false))
- locals.push_back("\\" + *it);
- }
- sort(locals.begin(), locals.end());
-
- if (globals.size() > 0)
- return;
-
- // fill in global macros
- macros.clear();
- MacroTable::globalMacros().getMacroNames(macros);
- lyxerr << "Globals completion macros: ";
- for (it = macros.begin(); it != macros.end(); ++it) {
- lyxerr << "\\" + *it << " ";
- globals.push_back("\\" + *it);
- }
- lyxerr << std::endl;
-
- // fill in global commands
- globals.push_back(from_ascii("\\boxed"));
- globals.push_back(from_ascii("\\fbox"));
- globals.push_back(from_ascii("\\framebox"));
- globals.push_back(from_ascii("\\makebox"));
- globals.push_back(from_ascii("\\kern"));
- globals.push_back(from_ascii("\\xrightarrow"));
- globals.push_back(from_ascii("\\xleftarrow"));
- globals.push_back(from_ascii("\\split"));
- globals.push_back(from_ascii("\\gathered"));
- globals.push_back(from_ascii("\\aligned"));
- globals.push_back(from_ascii("\\alignedat"));
- globals.push_back(from_ascii("\\cases"));
- globals.push_back(from_ascii("\\substack"));
- globals.push_back(from_ascii("\\subarray"));
- globals.push_back(from_ascii("\\array"));
- globals.push_back(from_ascii("\\sqrt"));
- globals.push_back(from_ascii("\\root"));
- globals.push_back(from_ascii("\\tabular"));
- globals.push_back(from_ascii("\\stackrel"));
- globals.push_back(from_ascii("\\binom"));
- globals.push_back(from_ascii("\\choose"));
- globals.push_back(from_ascii("\\choose"));
- globals.push_back(from_ascii("\\frac"));
- globals.push_back(from_ascii("\\over"));
- globals.push_back(from_ascii("\\nicefrac"));
- globals.push_back(from_ascii("\\unitfrac"));
- globals.push_back(from_ascii("\\unitfracthree"));
- globals.push_back(from_ascii("\\unitone"));
- globals.push_back(from_ascii("\\unittwo"));
- globals.push_back(from_ascii("\\infer"));
- globals.push_back(from_ascii("\\atop"));
- globals.push_back(from_ascii("\\lefteqn"));
- globals.push_back(from_ascii("\\boldsymbol"));
- globals.push_back(from_ascii("\\color"));
- globals.push_back(from_ascii("\\normalcolor"));
- globals.push_back(from_ascii("\\textcolor"));
- globals.push_back(from_ascii("\\dfrac"));
- globals.push_back(from_ascii("\\tfrac"));
- globals.push_back(from_ascii("\\dbinom"));
- globals.push_back(from_ascii("\\tbinom"));
- globals.push_back(from_ascii("\\hphantom"));
- globals.push_back(from_ascii("\\phantom"));
- globals.push_back(from_ascii("\\vphantom"));
- WordList const & words = mathedWordList();
- WordList::const_iterator it2;
- lyxerr << "Globals completion commands: ";
- for (it2 = words.begin(); it2 != words.end(); ++it2) {
- globals.push_back("\\" + (*it2).first);
- lyxerr << "\\" + (*it2).first << " ";
- }
- lyxerr << std::endl;
- sort(globals.begin(), globals.end());
-}
-
-
-MathCompletionList::~MathCompletionList()
-{
-}
-
-
-size_type MathCompletionList::size() const
-{
- return favorites.size() + locals.size() + globals.size();
-}
-
-
-docstring MathCompletionList::data(size_t idx) const
-{
- size_t fsize = favorites.size();
- size_t lsize = locals.size();
- if (idx >= fsize + lsize)
- return globals[idx - lsize - fsize];
- else if (idx >= fsize)
- return locals[idx - fsize];
- else
- return favorites[idx];
-}
-
-
-std::string MathCompletionList::icon(size_t idx) const
-{
- // get the latex command
- docstring cmd;
- size_t fsize = favorites.size();
- size_t lsize = locals.size();
- if (idx >= fsize + lsize)
- cmd = globals[idx - lsize - fsize];
- else if (idx >= fsize)
- cmd = locals[idx - fsize];
- else
- cmd = favorites[idx];
-
- // get the icon resource name by stripping the backslash
- return "images/math/" + to_utf8(cmd.substr(1)) + ".png";
-}
-
-
-
-void MathCompletionList::addToFavorites(docstring const & completion)
-{
- // remove old occurrence
- std::deque<docstring>::iterator it;
- for (it = favorites.begin(); it != favorites.end(); ++it) {
- if (*it == completion) {
- favorites.erase(it);
- break;
- }
- }
-
- // put it to the front
- favorites.push_front(completion);
- favorites.resize(min(int(favorites.size()), 10));
-}
-
-
-std::vector<docstring> MathCompletionList::globals;
-std::deque<docstring> MathCompletionList::favorites;
-
-} // namespace lyx
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