* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author André Pönitz
+ * \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include "InsetMathNest.h"
#include "InsetMathArray.h"
+#include "InsetMathAMSArray.h"
#include "InsetMathBig.h"
#include "InsetMathBox.h"
#include "InsetMathBrace.h"
+#include "InsetMathChar.h"
#include "InsetMathColor.h"
#include "InsetMathComment.h"
#include "InsetMathDelim.h"
+#include "InsetMathEnsureMath.h"
#include "InsetMathHull.h"
#include "InsetMathRef.h"
#include "InsetMathScript.h"
#include "InsetMathSpace.h"
#include "InsetMathSymbol.h"
#include "InsetMathUnknown.h"
+#include "MathAutoCorrect.h"
#include "MathCompletionList.h"
#include "MathData.h"
#include "MathFactory.h"
#include "Cursor.h"
#include "CutAndPaste.h"
#include "DispatchResult.h"
+#include "Encoding.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
-#include "LyXFunc.h"
+#include "LyX.h"
#include "LyXRC.h"
#include "OutputParams.h"
#include "Text.h"
using cap::replaceSelection;
using cap::selClearOrDel;
-char const * text_commands[] =
-{ "text", "textrm", "textsf", "texttt", "textmd", "textbf", "textup", "textit",
- "textsl", "textsc" };
-int const num_text_commands = sizeof(text_commands) / sizeof(*text_commands);
-
-InsetMathNest::InsetMathNest(idx_type nargs)
- : cells_(nargs), lock_(false), mouse_hover_(false)
-{}
+InsetMathNest::InsetMathNest(Buffer * buf, idx_type nargs)
+ : InsetMath(buf), cells_(nargs), lock_(false)
+{
+ setBuffer(*buf);
+}
InsetMathNest::InsetMathNest(InsetMathNest const & inset)
- : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_),
- mouse_hover_(false)
+ : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_)
{}
+InsetMathNest::~InsetMathNest()
+{
+ map<BufferView const *, bool>::iterator it = mouse_hover_.begin();
+ map<BufferView const *, bool>::iterator end = mouse_hover_.end();
+ for (; it != end; ++it)
+ if (it->second)
+ it->first->clearLastInset(this);
+}
+
+
InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
{
cells_ = inset.cells_;
lock_ = inset.lock_;
- mouse_hover_ = false;
+ mouse_hover_.clear();
InsetMath::operator=(inset);
return *this;
}
+void InsetMathNest::setBuffer(Buffer & buffer)
+{
+ InsetMath::setBuffer(buffer);
+ for (idx_type i = 0, n = nargs(); i != n; ++i) {
+ MathData & data = cell(i);
+ for (size_t j = 0; j != data.size(); ++j)
+ data[j].nucleus()->setBuffer(buffer);
+ }
+}
+
+
InsetMath::idx_type InsetMathNest::nargs() const
{
return cells_.size();
}
+void InsetMathNest::updateBuffer(ParIterator const & it, UpdateType utype)
+{
+ for (idx_type i = 0, n = nargs(); i != n; ++i)
+ cell(i).updateBuffer(it, utype);
+}
+
+
+
bool InsetMathNest::idxNext(Cursor & cur) const
{
LASSERT(&cur.inset() == this, /**/);
void InsetMathNest::write(WriteStream & os) const
{
- bool oldmode = os.textMode();
- docstring const latex_name = name().c_str();
- for (int i = 0; i < num_text_commands; ++i) {
- if (latex_name == from_ascii(text_commands[i])) {
- os.textMode(true);
- break;
- }
- }
+ MathEnsurer ensurer(os, currentMode() == MATH_MODE);
+ ModeSpecifier specifier(os, currentMode(), lockedMode());
+ docstring const latex_name = name();
os << '\\' << latex_name;
for (size_t i = 0; i < nargs(); ++i)
os << '{' << cell(i) << '}';
os << "\\lyxlock";
os.pendingSpace(true);
}
- os.textMode(oldmode);
}
void InsetMathNest::normalize(NormalStream & os) const
{
- os << '[' << name().c_str();
+ os << '[' << name();
for (size_t i = 0; i < nargs(); ++i)
os << ' ' << cell(i);
os << ']';
}
-int InsetMathNest::latex(odocstream & os, OutputParams const & runparams) const
+void InsetMathNest::latex(otexstream & os, OutputParams const & runparams) const
{
- WriteStream wi(os, runparams.moving_arg, true, runparams.dryrun);
+ WriteStream wi(os.os(), runparams.moving_arg, true,
+ runparams.dryrun ? WriteStream::wsDryrun : WriteStream::wsDefault,
+ runparams.encoding);
+ wi.canBreakLine(os.canBreakLine());
write(wi);
- return wi.line();
+ os.canBreakLine(wi.canBreakLine());
+
+ int lf = wi.line();
+ if (lf > 0 && runparams.lastid != -1) {
+ --lf;
+ os.texrow().newline();
+ os.texrow().start(runparams.lastid, runparams.lastpos);
+ }
+ os.texrow().newlines(lf);
}
-bool InsetMathNest::setMouseHover(bool mouse_hover)
+bool InsetMathNest::setMouseHover(BufferView const * bv, bool mouse_hover)
+ const
{
- mouse_hover_ = mouse_hover;
+ mouse_hover_[bv] = mouse_hover;
return true;
}
if (cur.inset().asInsetMath()->name() == font)
cur.handleFont(to_utf8(font));
else
- handleNest(cur, createInsetMath(font), arg);
+ handleNest(cur, createInsetMath(font, cur.buffer()), arg);
}
cur.insert(arg);
return;
}
-
+
// multiple selected cells in a simple non-grid inset
if (i1.asInsetMath()->nrows() == 0 || i1.asInsetMath()->ncols() == 0) {
for (idx_type i = i1.idx(); i <= i2.idx(); ++i) {
cur.resetAnchor();
cur.pos() = cur.lastpos();
cur.setSelection();
-
+
// change font of cell
cur.handleNest(nest);
cur.insert(arg);
-
+
// cur is in the font inset now. If the loop continues,
// we need to get outside again for the next cell
if (i + 1 <= i2.idx())
}
return;
}
-
+
// the complicated case with multiple selected cells in a grid
row_type r1, r2;
col_type c1, c2;
cur.resetAnchor();
cur.pos() = cur.lastpos();
cur.setSelection();
-
- //
+
+ //
cur.handleNest(nest);
cur.insert(arg);
-
+
// cur is in the font inset now. If the loop continues,
// we need to get outside again for the next cell
if (col + 1 <= c2 || row + 1 <= r2)
font.fromString(to_utf8(arg), b);
if (font.fontInfo().color() != Color_inherit &&
font.fontInfo().color() != Color_ignore)
- handleNest(cur, MathAtom(new InsetMathColor(true, font.fontInfo().color())));
-
+ handleNest(cur, MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color())));
+
// FIXME: support other font changes here as well?
}
void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
{
- //lyxerr << "InsetMathNest: request: " << cmd << endl;
+ //LYXERR0("InsetMathNest: request: " << cmd);
- switch (cmd.action) {
+ Parse::flags parseflg = Parse::QUIET | Parse::USETEXT;
+ FuncCode const act = cmd.action();
+ switch (act) {
+
+ case LFUN_CLIPBOARD_PASTE:
+ parseflg |= Parse::VERBATIM;
+ // fall through
case LFUN_PASTE: {
+ if (cur.currentMode() <= TEXT_MODE)
+ parseflg |= Parse::TEXTMODE;
cur.recordUndoSelection();
cur.message(_("Paste"));
replaceSelection(cur);
is >> n;
topaste = cap::selection(n);
}
- cur.niceInsert(topaste);
+ cur.niceInsert(topaste, parseflg, false);
cur.clearSelection(); // bug 393
+ cur.forceBufferUpdate();
cur.finishUndo();
break;
}
// Prevent stale position >= size crash
// Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
cur.normalize();
+ cur.forceBufferUpdate();
break;
case LFUN_COPY:
case LFUN_CHAR_LEFT:
case LFUN_CHAR_BACKWARD:
case LFUN_CHAR_FORWARD:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
+ cur.screenUpdateFlags(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?
+ bool select = (act == LFUN_CHAR_RIGHT_SELECT
+ || act == LFUN_CHAR_LEFT_SELECT
+ || act == LFUN_CHAR_BACKWARD_SELECT
+ || act == 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,
+ // * 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;
FuncCode finish_lfun;
- if (cmd.action == LFUN_CHAR_FORWARD
- || cmd.action == LFUN_CHAR_FORWARD_SELECT) {
+ if (act == LFUN_CHAR_FORWARD
+ || act == LFUN_CHAR_FORWARD_SELECT) {
forward = true;
finish_lfun = LFUN_FINISHED_FORWARD;
}
- else if (cmd.action == LFUN_CHAR_BACKWARD
- || cmd.action == LFUN_CHAR_BACKWARD_SELECT) {
+ else if (act == LFUN_CHAR_BACKWARD
+ || act == 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);
+ bool right = (act == LFUN_CHAR_RIGHT_SELECT
+ || act == LFUN_CHAR_RIGHT);
if (lyxrc.visual_cursor || !reverseDirectionNeeded(cur))
forward = right;
- else
+ else
forward = !right;
if (right)
}
// 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...
case LFUN_DOWN:
case LFUN_UP:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
+ cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
case LFUN_DOWN_SELECT:
case LFUN_UP_SELECT: {
// close active macro
cur.macroModeClose();
break;
}
-
+
// stop/start the selection
- bool select = cmd.action == LFUN_DOWN_SELECT ||
- cmd.action == LFUN_UP_SELECT;
+ bool select = act == LFUN_DOWN_SELECT ||
+ act == LFUN_UP_SELECT;
cur.selHandle(select);
-
+
+ // handle autocorrect:
+ cur.autocorrect() = false;
+ cur.message(_("Autocorrect Off ('!' to enter)"));
+
// go up/down
- bool up = cmd.action == LFUN_UP || cmd.action == LFUN_UP_SELECT;
+ bool up = act == LFUN_UP || act == LFUN_UP_SELECT;
bool successful = cur.upDownInMath(up);
if (successful)
break;
-
+
if (cur.fixIfBroken())
// FIXME: Something bad happened. We pass the corrected Cursor
// instead of letting things go worse.
case LFUN_MOUSE_DOUBLE:
case LFUN_MOUSE_TRIPLE:
case LFUN_WORD_SELECT:
+ case LFUN_INSET_SELECT_ALL:
cur.pos() = 0;
cur.idx() = 0;
cur.resetAnchor();
- cur.selection() = true;
+ cur.setSelection(true);
cur.pos() = cur.lastpos();
cur.idx() = cur.lastidx();
break;
case LFUN_PARAGRAPH_UP:
case LFUN_PARAGRAPH_DOWN:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
+ cur.screenUpdateFlags(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);
+ cur.screenUpdateFlags(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.selHandle(act == LFUN_WORD_BACKWARD_SELECT ||
+ act == LFUN_WORD_LEFT_SELECT ||
+ act == LFUN_LINE_BEGIN_SELECT);
cur.macroModeClose();
if (cur.pos() != 0) {
cur.pos() = 0;
case LFUN_WORD_FORWARD:
case LFUN_WORD_RIGHT:
case LFUN_LINE_END:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
+ cur.screenUpdateFlags(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.selHandle(act == LFUN_WORD_FORWARD_SELECT ||
+ act == LFUN_WORD_RIGHT_SELECT ||
+ act == LFUN_LINE_END_SELECT);
cur.macroModeClose();
cur.clearTargetX();
if (cur.pos() != cur.lastpos()) {
break;
case LFUN_CELL_FORWARD:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
+ cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
cur.inset().idxNext(cur);
break;
case LFUN_CELL_BACKWARD:
- cur.updateFlags(Update::Decoration | Update::FitCursor);
+ cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
cur.inset().idxPrev(cur);
break;
if (cur.pos() == 0)
// May affect external cell:
cur.recordUndoInset();
- else
+ else if (!cur.inMacroMode())
cur.recordUndoSelection();
// if the inset can not be removed from within, delete it
if (!cur.backspace()) {
cur.insert(arg);
break;
}
- // Don't record undo steps if we are in macro mode and
+ // Don't record undo steps if we are in macro mode and thus
// 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,
// 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.
+ // At the time we hit '\' we are not in macro mode, still.
if (!cur.inMacroMode())
cur.recordUndoSelection();
// if relevant. Think typing "\frac<space>".
if (cmd.argument()[0] == ' '
&& cur.inMacroMode() && cur.macroName() != "\\"
- && cur.macroModeClose()) {
+ && cur.macroModeClose() && cur.pos() > 0) {
MathAtom const atom = cur.prevAtom();
if (atom->asNestInset() && atom->isActive()) {
cur.posBackward();
break;
//case LFUN_SERVER_GET_XY:
- // sprintf(dispatch_buffer, "%d %d",);
// break;
case LFUN_SERVER_SET_XY: {
break;
// Math fonts
- case LFUN_FONT_FREE_APPLY:
- case LFUN_FONT_FREE_UPDATE:
+ case LFUN_TEXTSTYLE_APPLY:
+ case LFUN_TEXTSTYLE_UPDATE:
handleFont2(cur, cmd.argument());
break;
case LFUN_FONT_BOLD:
- if (currentMode() == TEXT_MODE)
+ if (currentMode() <= TEXT_MODE)
+ handleFont(cur, cmd.argument(), "textbf");
+ else
+ handleFont(cur, cmd.argument(), "mathbf");
+ break;
+ case LFUN_FONT_BOLDSYMBOL:
+ if (currentMode() <= TEXT_MODE)
handleFont(cur, cmd.argument(), "textbf");
else
handleFont(cur, cmd.argument(), "boldsymbol");
break;
case LFUN_FONT_SANS:
- if (currentMode() == TEXT_MODE)
+ if (currentMode() <= TEXT_MODE)
handleFont(cur, cmd.argument(), "textsf");
else
handleFont(cur, cmd.argument(), "mathsf");
break;
case LFUN_FONT_EMPH:
- if (currentMode() == TEXT_MODE)
+ if (currentMode() <= TEXT_MODE)
handleFont(cur, cmd.argument(), "emph");
else
handleFont(cur, cmd.argument(), "mathcal");
break;
case LFUN_FONT_ROMAN:
- if (currentMode() == TEXT_MODE)
+ if (currentMode() <= TEXT_MODE)
handleFont(cur, cmd.argument(), "textrm");
else
handleFont(cur, cmd.argument(), "mathrm");
break;
case LFUN_FONT_TYPEWRITER:
- if (currentMode() == TEXT_MODE)
+ if (currentMode() <= TEXT_MODE)
handleFont(cur, cmd.argument(), "texttt");
else
handleFont(cur, cmd.argument(), "mathtt");
handleFont(cur, cmd.argument(), "mathfrak");
break;
case LFUN_FONT_ITAL:
- if (currentMode() == TEXT_MODE)
+ if (currentMode() <= TEXT_MODE)
handleFont(cur, cmd.argument(), "textit");
else
handleFont(cur, cmd.argument(), "mathit");
break;
case LFUN_FONT_NOUN:
- if (currentMode() == TEXT_MODE)
+ 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_FONT_UNDERLINE:
+ cur.recordUndo();
+ cur.handleNest(createInsetMath("underline", cur.buffer()));
+ 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.recordUndoSelection();
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"))));
+ if (currentMode() <= Inset::TEXT_MODE)
+ cur.plainInsert(MathAtom(new InsetMathEnsureMath(buffer_)));
+ else
+ cur.plainInsert(MathAtom(new InsetMathBox(buffer_, from_ascii("mbox"))));
cur.posBackward();
cur.pushBackward(*cur.nextInset());
cur.niceInsert(save_selection);
+ cur.forceBufferUpdate();
#else
if (currentMode() == Inset::TEXT_MODE) {
- cur.niceInsert(MathAtom(new InsetMathHull("simple")));
+ cur.recordUndoSelection();
+ cur.niceInsert(MathAtom(new InsetMathHull("simple", cur.buffer())));
cur.message(_("create new math text environment ($...$)"));
} else {
handleFont(cur, cmd.argument(), "textrm");
break;
}
- case LFUN_MATH_SIZE:
-#if 0
- cur.recordUndoSelection();
- cur.setSize(arg);
-#endif
+ case LFUN_REGEXP_MODE: {
+ InsetMath * im = cur.inset().asInsetMath();
+ if (im) {
+ InsetMathHull * i = im->asHullInset();
+ if (i && i->getType() == hullRegexp) {
+ cur.message(_("Already in regular expression mode"));
+ break;
+ }
+ }
+ cur.macroModeClose();
+ docstring const save_selection = grabAndEraseSelection(cur);
+ selClearOrDel(cur);
+ cur.plainInsert(MathAtom(new InsetMathHull(buffer_, hullRegexp)));
+ cur.posBackward();
+ cur.pushBackward(*cur.nextInset());
+ cur.niceInsert(save_selection);
+ cur.message(_("Regular expression editor mode"));
+ break;
+ }
+
+ case LFUN_MATH_FONT_STYLE: {
+ FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, '\\' + cmd.argument());
+ doDispatch(cur, fr);
+ break;
+ }
+
+ case LFUN_MATH_SIZE: {
+ FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, cmd.argument());
+ doDispatch(cur, fr);
break;
+ }
case LFUN_MATH_MATRIX: {
cur.recordUndo();
if (n < 1)
n = 1;
v_align += 'c';
+ cur.niceInsert(MathAtom(new InsetMathArray(buffer_,
+ from_ascii("array"), m, n, (char)v_align[0], h_align)));
+ break;
+ }
+
+ case LFUN_MATH_AMS_MATRIX: {
+ cur.recordUndo();
+ unsigned int m = 1;
+ unsigned int n = 1;
+ docstring name;
+ idocstringstream is(cmd.argument());
+ is >> m >> n >> name;
+ if (m < 1)
+ m = 1;
+ if (n < 1)
+ n = 1;
cur.niceInsert(
- MathAtom(new InsetMathArray(from_ascii("array"), m, n, (char)v_align[0], h_align)));
+ MathAtom(new InsetMathAMSArray(buffer_, name, m, n)));
break;
}
if (rs.empty())
rs = ')';
cur.recordUndo();
- cur.handleNest(MathAtom(new InsetMathDelim(ls, rs)));
+ cur.handleNest(MathAtom(new InsetMathDelim(buffer_, ls, rs)));
break;
}
if (have_l)
cur.insert(MathAtom(new InsetMathBig(lname,
ldelim)));
- cur.niceInsert(selection);
- if (have_r)
+ // first insert the right delimiter and then go back
+ // and re-insert the selection (bug 7088)
+ if (have_r) {
cur.insert(MathAtom(new InsetMathBig(rname,
rdelim)));
+ cur.posBackward();
+ }
+ cur.niceInsert(selection);
}
// 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_SPACE_INSERT: {
+ cur.recordUndoSelection();
+ string const name = cmd.getArg(0);
+ if (name == "normal")
+ cur.insert(MathAtom(new InsetMathSpace(" ", "")));
+ else if (name == "protected")
+ cur.insert(MathAtom(new InsetMathSpace("~", "")));
+ else if (name == "thin" || name == "med" || name == "thick")
+ cur.insert(MathAtom(new InsetMathSpace(name + "space", "")));
+ else if (name == "hfill*")
+ cur.insert(MathAtom(new InsetMathSpace("hspace*{\\fill}", "")));
+ else if (name == "quad" || name == "qquad" ||
+ name == "enspace" || name == "enskip" ||
+ name == "negthinspace" || name == "negmedspace" ||
+ name == "negthickspace" || name == "hfill")
+ cur.insert(MathAtom(new InsetMathSpace(name, "")));
+ else if (name == "hspace" || name == "hspace*") {
+ string const len = cmd.getArg(1);
+ if (len.empty() || !isValidLength(len)) {
+ lyxerr << "LyX function 'space-insert " << name << "' "
+ "needs a valid length argument." << endl;
+ break;
+ }
+ cur.insert(MathAtom(new InsetMathSpace(name, len)));
+ } else
+ cur.insert(MathAtom(new InsetMathSpace));
+ break;
+ }
+
case LFUN_MATH_SPACE:
cur.recordUndoSelection();
- cur.insert(MathAtom(new InsetMathSpace(from_ascii(","))));
+ if (cmd.argument().empty())
+ cur.insert(MathAtom(new InsetMathSpace));
+ else {
+ string const name = cmd.getArg(0);
+ string const len = cmd.getArg(1);
+ cur.insert(MathAtom(new InsetMathSpace(name, len)));
+ }
break;
case LFUN_ERT_INSERT:
cur.recordUndoSelection();
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 fold = act == LFUN_MATH_MACRO_FOLD;
bool found = findMacroToFoldUnfold(it, fold);
if (found) {
MathMacro * macro = it.nextInset()->asInsetMath()->asMacro();
else {
MathData ar;
asArray(cmd.argument(), ar);
- if (ar.size() == 1 && ar[0]->asNestInset()
- && ar[0]->asNestInset()->nargs() > 1)
+ if (cur.selection() && ar.size() == 1
+ && ar[0]->asNestInset()
+ && ar[0]->asNestInset()->nargs() > 1)
handleNest(cur, ar[0]);
else
cur.niceInsert(cmd.argument());
}
break;
+ }
+
+ case LFUN_UNICODE_INSERT: {
+ if (cmd.argument().empty())
+ break;
+ docstring hexstring = cmd.argument();
+ if (isHex(hexstring)) {
+ char_type c = hexToInt(hexstring);
+ if (c >= 32 && c < 0x10ffff) {
+ docstring s = docstring(1, c);
+ FuncCode code = currentMode() == MATH_MODE ?
+ LFUN_MATH_INSERT : LFUN_SELF_INSERT;
+ lyx::dispatch(FuncRequest(code, s));
+ }
}
+ 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));
+ InsetMathRef tmp(buffer_, name);
+ data = tmp.createDialogStr();
+ cur.bv().showDialog(to_utf8(name), data);
+ } else if (name == "mathspace") {
+ cur.bv().showDialog(to_utf8(name));
}
- cur.bv().showDialog(to_utf8(name), data);
break;
}
if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
cur.recordUndoSelection();
cur.insert(ar);
+ cur.forceBufferUpdate();
} else
cur.undispatched();
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()) {
// 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;
}
//string tc = "mathnormal";
bool ret = true;
string const arg = to_utf8(cmd.argument());
- switch (cmd.action) {
- case LFUN_TABULAR_FEATURE:
+ switch (cmd.action()) {
+ case LFUN_INSET_MODIFY:
flag.setEnabled(false);
break;
#if 0
- case LFUN_TABULAR_FEATURE:
+ case LFUN_INSET_MODIFY:
// FIXME: check temporarily disabled
// valign code
char align = mathcursor::valign();
/// We have to handle them since 1.4 blocks all unhandled actions
case LFUN_FONT_ITAL:
case LFUN_FONT_BOLD:
+ case LFUN_FONT_BOLDSYMBOL:
case LFUN_FONT_SANS:
case LFUN_FONT_EMPH:
case LFUN_FONT_TYPEWRITER:
case LFUN_FONT_DEFAULT:
flag.setEnabled(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.setEnabled(true);
break;
+ case LFUN_FONT_UNDERLINE:
case LFUN_FONT_FRAK:
flag.setEnabled(currentMode() != TEXT_MODE);
break;
- case LFUN_MATH_INSERT: {
+ case LFUN_MATH_FONT_STYLE: {
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";
+ arg == "textbf" || arg == "textsf" ||
+ arg == "textrm" || arg == "textmd" ||
+ arg == "textit" || arg == "textsc" ||
+ arg == "textsl" || arg == "textup" ||
+ arg == "texttt" || arg == "textbb" ||
+ arg == "textnormal";
flag.setEnabled(currentMode() != TEXT_MODE || textarg);
break;
}
+ case LFUN_MATH_MODE:
+ // forbid "math-mode on" in math mode to prevent irritating
+ // behaviour of menu entries (bug 6709)
+ flag.setEnabled(currentMode() == TEXT_MODE || arg != "on");
+ break;
+
+ case LFUN_MATH_INSERT:
+ flag.setEnabled(currentMode() != TEXT_MODE);
+ break;
+
+ case LFUN_MATH_AMS_MATRIX:
case LFUN_MATH_MATRIX:
flag.setEnabled(currentMode() == MATH_MODE);
break;
// getStatus is not called with a valid reference and the
// dialog would not be applyable.
string const name = cmd.getArg(0);
- flag.setEnabled(name == "ref");
+ flag.setEnabled(name == "ref" || name == "mathspace");
+ break;
+ }
+
+ case LFUN_DIALOG_SHOW_NEW_INSET: {
+ docstring const & name = cmd.argument();
+ if (name == "space")
+ flag.setEnabled(false);
break;
}
+
case LFUN_MATH_DELIM:
case LFUN_MATH_BIGDELIM:
// Don't do this with multi-cell selections
flag.setEnabled(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);
+ bool found = findMacroToFoldUnfold(it, cmd.action() == LFUN_MATH_MACRO_FOLD);
flag.setEnabled(found);
break;
}
-
+
case LFUN_SPECIALCHAR_INSERT:
+ case LFUN_SCRIPT_INSERT:
// FIXME: These would probably make sense in math-text mode
flag.setEnabled(false);
break;
+ case LFUN_CAPTION_INSERT:
+ flag.setEnabled(false);
+ break;
+
+ case LFUN_SPACE_INSERT: {
+ docstring const & name = cmd.argument();
+ if (name == "visible")
+ flag.setEnabled(false);
+ break;
+ }
+
case LFUN_INSET_DISSOLVE:
flag.setEnabled(!asHullInset());
break;
void InsetMathNest::edit(Cursor & cur, bool front, EntryDirection entry_from)
{
cur.push(*this);
- bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_RIGHT ||
+ 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();
{
//lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
BufferView & bv = cur.bv();
+ if (cmd.button() == mouse_button::button3) {
+ // Don't do anything if we right-click a
+ // selection, a context menu will popup.
+ if (bv.cursor().selection() && cur >= bv.cursor().selectionBegin()
+ && cur < bv.cursor().selectionEnd()) {
+ cur.noScreenUpdate();
+ return;
+ }
+ }
bool do_selection = cmd.button() == mouse_button::button1
&& cmd.argument() == "region-select";
bv.mouseSetCursor(cur, do_selection);
// 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());
+ cur.screenUpdateFlags(Update::Decoration | Update::FitCursor
+ | cur.result().screenUpdate());
} else if (cmd.button() == mouse_button::button2) {
if (cap::selection()) {
// See comment in Text::dispatch why we do this
// only select with button 1
if (cmd.button() == mouse_button::button1) {
Cursor & bvcur = cur.bv().cursor();
- if (bvcur.anchor_.hasPart(cur)) {
+ if (bvcur.realAnchor().hasPart(cur)) {
//lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
bvcur.setCursor(cur);
- bvcur.selection() = true;
+ bvcur.setSelection(true);
//lyxerr << "MOTION " << bvcur << endl;
} else
cur.undispatched();
if (cmd.button() == mouse_button::button1) {
if (!cur.selection())
- cur.noUpdate();
+ cur.noScreenUpdate();
else {
Cursor & bvcur = cur.bv().cursor();
- bvcur.selection() = true;
+ bvcur.setSelection(true);
}
return;
}
}
-bool InsetMathNest::interpretChar(Cursor & cur, char_type c)
+bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
{
//lyxerr << "interpret 2: '" << c << "'" << endl;
docstring save_selection;
save_selection = grabAndEraseSelection(cur);
cur.clearTargetX();
+ Buffer * buf = cur.buffer();
// handle macroMode
if (cur.inMacroMode()) {
MathWordList const & mwl = mathedWordList();
bool star_macro = c == '*'
&& (mwl.find(name.substr(1) + "*") != mwl.end()
- || cur.buffer().getMacro(name.substr(1) + "*", cur, true));
+ || cur.buffer()->getMacro(name.substr(1) + "*", cur, true));
if (isAlphaASCII(c) || star_macro) {
cur.activeMacro()->setName(name + docstring(1, c));
return true;
// remove the '\\'
if (c == '\\') {
cur.backspace();
- if (currentMode() == InsetMath::TEXT_MODE)
- cur.niceInsert(createInsetMath("textbackslash"));
+ if (currentMode() <= InsetMath::TEXT_MODE)
+ cur.niceInsert(createInsetMath("textbackslash", buf));
else
- cur.niceInsert(createInsetMath("backslash"));
+ cur.niceInsert(createInsetMath("backslash", buf));
+ } else if (c == '^' && currentMode() == InsetMath::MATH_MODE) {
+ cur.backspace();
+ cur.niceInsert(createInsetMath("mathcircumflex", buf));
} else if (c == '{') {
cur.backspace();
- cur.niceInsert(MathAtom(new InsetMathBrace));
+ cur.niceInsert(MathAtom(new InsetMathBrace(buf)));
} else if (c == '%') {
cur.backspace();
- cur.niceInsert(MathAtom(new InsetMathComment));
+ cur.niceInsert(MathAtom(new InsetMathComment(buf)));
} else if (c == '#') {
LASSERT(cur.activeMacro(), /**/);
cur.activeMacro()->setName(name + docstring(1, c));
} else {
cur.backspace();
- cur.niceInsert(createInsetMath(docstring(1, c)));
+ cur.niceInsert(createInsetMath(docstring(1, c), buf));
}
return true;
}
}
// leave macro mode and try again if necessary
- cur.macroModeClose();
+ if (cur.macroModeClose()) {
+ MathAtom const atom = cur.prevAtom();
+ if (atom->asNestInset() && atom->isActive()) {
+ cur.posBackward();
+ cur.pushBackward(*cur.nextInset());
+ }
+ }
if (c == '{')
- cur.niceInsert(MathAtom(new InsetMathBrace));
+ cur.niceInsert(MathAtom(new InsetMathBrace(buf)));
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
+ // leave autocorrect mode if necessary
+ if (lyxrc.autocorrection_math && c == ' ' && cur.autocorrect()) {
+ cur.autocorrect() = false;
+ cur.message(_("Autocorrect Off ('!' to enter)"));
+ return true;
+ }
+ if (lyxrc.autocorrection_math && c == '!' && !cur.autocorrect()) {
+ cur.autocorrect() = true;
+ cur.message(_("Autocorrect On (<space> to exit)"));
+ return true;
+ }
// just clear selection on pressing the space bar
if (cur.selection() && c == ' ') {
- cur.selection() = false;
+ cur.setSelection(false);
return true;
}
//lyxerr << "starting with macro" << endl;
bool reduced = cap::reduceSelectionToOneCell(cur);
if (reduced || !cur.selection()) {
+ cur.recordUndoInset();
docstring const safe = cap::grabAndEraseSelection(cur);
- cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), safe, false)));
+ if (!cur.inRegexped())
+ cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), safe, false)));
+ else
+ cur.niceInsert(createInsetMath("backslash", buf));
}
return true;
}
selClearOrDel(cur);
if (c == '\n') {
- if (currentMode() == InsetMath::TEXT_MODE)
+ if (currentMode() <= InsetMath::TEXT_MODE)
cur.insert(c);
return true;
}
if (c == ' ') {
- if (currentMode() == InsetMath::TEXT_MODE) {
- // insert spaces in text mode,
+ if (currentMode() <= InsetMath::TEXT_MODE) {
+ // insert spaces in text or undecided 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...
// 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);
+ //cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
}
return true;
}
// 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);
+ //cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
return true;
}
// 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);
+ //cur.screenUpdateFlags(Update::FitCursor);
return true;
}
return cur.pos() != cur.lastpos();
}
- // These shouldn't work in text mode:
- if (currentMode() != InsetMath::TEXT_MODE) {
+ // These should be treated differently when not in text mode:
+ if (cur.inRegexped()) {
+ switch (c) {
+ case '\\':
+ cur.niceInsert(createInsetMath("backslash", buf));
+ break;
+ case '^':
+ cur.niceInsert(createInsetMath("mathcircumflex", buf));
+ break;
+ case '{':
+ case '}':
+ case '#':
+ case '%':
+ case '_':
+ cur.niceInsert(createInsetMath(docstring(1, c), buf));
+ break;
+ case '~':
+ cur.niceInsert(createInsetMath("sim", buf));
+ break;
+ default:
+ cur.insert(c);
+ }
+ return true;
+ } else if (currentMode() != InsetMath::TEXT_MODE) {
if (c == '_') {
script(cur, false, save_selection);
return true;
return true;
}
if (c == '~') {
- cur.niceInsert(createInsetMath("sim"));
+ cur.niceInsert(createInsetMath("sim", buf));
+ return true;
+ }
+ if (currentMode() == InsetMath::MATH_MODE && !isAsciiOrMathAlpha(c)) {
+ MathAtom at = createInsetMath("text", buf);
+ at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
+ cur.niceInsert(at);
+ cur.posForward();
+ return true;
+ }
+ } else {
+ if (c == '^') {
+ cur.niceInsert(createInsetMath("textasciicircum", buf));
+ return true;
+ }
+ if (c == '~') {
+ cur.niceInsert(createInsetMath("textasciitilde", buf));
return true;
}
}
if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
- c == '%' || c == '_' || c == '^') {
- cur.niceInsert(createInsetMath(docstring(1, c)));
+ c == '%' || c == '_') {
+ cur.niceInsert(createInsetMath(docstring(1, c), buf));
return true;
}
// try auto-correction
- //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
- // return true;
+ if (lyxrc.autocorrection_math && cur.autocorrect() && cur.pos() != 0
+ && math_autocorrect(cur.prevAtom(), c))
+ return true;
// no special circumstances, so insert the character without any fuss
cur.insert(c);
- cur.autocorrect() = true;
+ if (lyxrc.autocorrection_math) {
+ if (!cur.autocorrect())
+ cur.message(_("Autocorrect Off ('!' to enter)"));
+ else
+ cur.message(_("Autocorrect On (<space> to exit)"));
+ }
return true;
}
//lyxerr << "handling script: up: " << up << endl;
if (cur.inMacroMode() && cur.macroName() == "\\") {
if (up)
- cur.niceInsert(createInsetMath("mathcircumflex"));
+ cur.niceInsert(createInsetMath("mathcircumflex", cur.buffer()));
else
interpretChar(cur, '_');
return true;
// one if in the very first position of the array
if (cur.pos() == 0) {
//lyxerr << "new scriptinset" << endl;
- cur.insert(new InsetMathScript(up));
+ cur.insert(new InsetMathScript(buffer_, up));
} else {
//lyxerr << "converting prev atom " << endl;
- cur.prevAtom() = MathAtom(new InsetMathScript(cur.prevAtom(), up));
+ cur.prevAtom() = MathAtom(new InsetMathScript(buffer_, cur.prevAtom(), up));
}
--cur.pos();
InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
{
if (!cur.inMacroMode())
return 0;
-
+
return new MathCompletionList(cur);
}
{
if (!cur.inMacroMode())
return docstring();
-
+
return cur.activeMacro()->name();
}
}
-void InsetMathNest::completionPosAndDim(Cursor const & cur, int & x, int & y,
+void InsetMathNest::completionPosAndDim(Cursor const & cur, int & x, int & y,
Dimension & dim) const
{
Inset const * inset = cur.activeMacro();
dim.asc += 3;
// and position
- Point xy
- = cur.bv().coordCache().insets().xy(inset);
+ Point xy = cur.bv().coordCache().insets().xy(inset);
x = xy.x_;
y = xy.y_;
}
cur.pushBackward(*cur.nextAtom().nucleus());
cur.inset().idxFirst(cur);
return true;
- }
+ }
if (cur.posForward() || idxForward(cur))
return true;
// try to pop forwards --- but don't pop out of math! leave that to
cur.push(*cur.nextAtom().nucleus());
cur.inset().idxLast(cur);
return true;
- }
+ }
if (cur.posBackward() || idxBackward(cur))
return true;
- // try to pop backwards --- but don't pop out of math! leave that to
+ // 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())
{
// fill it with macros from the buffer
MacroNameSet macros;
- cur.buffer().listMacroNames(macros);
+ cur.buffer()->listMacroNames(macros);
MacroNameSet::const_iterator it;
for (it = macros.begin(); it != macros.end(); ++it) {
- if (cur.buffer().getMacro(*it, cur, false))
+ if (cur.buffer()->getMacro(*it, cur, false))
locals.push_back("\\" + *it);
}
sort(locals.begin(), locals.end());
- if (globals.size() > 0)
+ if (!globals.empty())
return;
// fill in global macros
macros.clear();
MacroTable::globalMacros().getMacroNames(macros);
- lyxerr << "Globals completion macros: ";
+ //lyxerr << "Globals completion macros: ";
for (it = macros.begin(); it != macros.end(); ++it) {
- lyxerr << "\\" + *it << " ";
+ //lyxerr << "\\" + *it << " ";
globals.push_back("\\" + *it);
}
- lyxerr << std::endl;
+ //lyxerr << std::endl;
// fill in global commands
globals.push_back(from_ascii("\\boxed"));
globals.push_back(from_ascii("\\alignedat"));
globals.push_back(from_ascii("\\cases"));
globals.push_back(from_ascii("\\substack"));
+ globals.push_back(from_ascii("\\xymatrix"));
+ globals.push_back(from_ascii("\\Diagram"));
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("\\stackrelthree"));
globals.push_back(from_ascii("\\binom"));
globals.push_back(from_ascii("\\choose"));
globals.push_back(from_ascii("\\brace"));
globals.push_back(from_ascii("\\color"));
globals.push_back(from_ascii("\\normalcolor"));
globals.push_back(from_ascii("\\textcolor"));
+ globals.push_back(from_ascii("\\cfrac"));
+ globals.push_back(from_ascii("\\cfracleft"));
+ globals.push_back(from_ascii("\\cfracright"));
globals.push_back(from_ascii("\\dfrac"));
globals.push_back(from_ascii("\\tfrac"));
globals.push_back(from_ascii("\\dbinom"));
globals.push_back(from_ascii("\\hphantom"));
globals.push_back(from_ascii("\\phantom"));
globals.push_back(from_ascii("\\vphantom"));
+ globals.push_back(from_ascii("\\cancel"));
+ globals.push_back(from_ascii("\\bcancel"));
+ globals.push_back(from_ascii("\\xcancel"));
+ globals.push_back(from_ascii("\\cancelto"));
+ globals.push_back(from_ascii("\\smash"));
+ globals.push_back(from_ascii("\\mathclap"));
+ globals.push_back(from_ascii("\\mathllap"));
+ globals.push_back(from_ascii("\\mathrlap"));
MathWordList const & words = mathedWordList();
MathWordList::const_iterator it2;
- lyxerr << "Globals completion commands: ";
+ //lyxerr << "Globals completion commands: ";
for (it2 = words.begin(); it2 != words.end(); ++it2) {
globals.push_back("\\" + (*it2).first);
- lyxerr << "\\" + (*it2).first << " ";
+ //lyxerr << "\\" + (*it2).first << " ";
}
- lyxerr << std::endl;
+ //lyxerr << std::endl;
sort(globals.begin(), globals.end());
}
}
-std::string MathCompletionList::icon(size_t idx) const
+std::string MathCompletionList::icon(size_t idx) const
{
// get the latex command
docstring cmd;
cmd = globals[idx - lsize];
else
cmd = locals[idx];
-
+
// get the icon resource name by stripping the backslash
return "images/math/" + to_utf8(cmd.substr(1)) + ".png";
}