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Do not accumulate underline changes

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If an element is underlined in mathed by using the text properties
dialog, the changes accumulate. So, for example, to change a single
underline to a double one, one would need removing the previous
underline first. This commit allows using the text properties
dialog and simply replace an underline type with another one.

However, this works only if the underlined element is not included
in some other inset. For example, given "\uline{\text{abc}}",
selecting the 'b' and choosing a double underline produces
"\uline{\text{a\uuline{b}c}}". But, given "\text{\uline{abc}}", and
operating as before produces "\text{\uline{a}\uuline{b}\uline{c}}".
This commit is contained in:
Enrico Forestieri 2023-11-08 09:17:38 +01:00
parent ea30f1feb1
commit bdaad03a45
1 changed files with 47 additions and 63 deletions
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106
src/mathed/InsetMathNest.cpp
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@ -688,76 +688,60 @@ void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
}
InsetMathDecoration const * d = asDecorationInset();
docstring const name = d ? d->name() : docstring();
if (font.fontInfo().underbar() == FONT_OFF && d && d->name() == "uline") {
lyxerr << "Remove uline" << endl;
if ((font.fontInfo().underbar() == FONT_OFF && name == "uline") ||
(font.fontInfo().uuline() == FONT_OFF && name == "uuline") ||
(font.fontInfo().uwave() == FONT_OFF && name == "uwave")) {
if (include_previous_change) {
Cursor oldcur = cur;
cur.backwardInset();
cur.resetAnchor();
cur = oldcur;
cur.setSelection();
}
if (font.fontInfo().uuline() == FONT_OFF && d && d->name() == "uuline") {
lyxerr << "Remove uuline" << endl;
docstring const beg = '\\' + name + '{';
docstring const end = from_ascii("}");
docstring const sel2 = cur.selectionAsString(false);
cap::cutSelection(cur, false);
cur.pos() = 0;
cur.setSelection();
docstring const sel1 = cur.selectionAsString(false);
cur.pos() = cur.lastpos();
cur.setSelection();
docstring const sel3 = cur.selectionAsString(false);
cur.mathForward(false);
cur.setSelection();
cap::cutSelection(cur, false);
MathData ar;
if (!sel1.empty()) {
mathed_parse_cell(ar, beg + sel1 + end);
cur.insert(ar);
}
if (font.fontInfo().uwave() == FONT_OFF && d && d->name() == "uwave") {
lyxerr << "Remove uwave" << endl;
cur.resetAnchor();
mathed_parse_cell(ar, sel2);
cur.insert(ar);
if (!sel3.empty()) {
pos_type pos = cur.pos();
mathed_parse_cell(ar, beg + sel3 + end);
cur.insert(ar);
cur.pos() = pos;
}
cur.setSelection();
include_previous_change = false;
}
switch(font.fontInfo().underbar()) {
case FONT_ON:
if (!d || d->name() != "uline")
if (font.fontInfo().underbar() == FONT_ON) {
if (!d || name != "uline")
im = from_ascii("uline");
break;
case FONT_OFF:
case FONT_TOGGLE:
case FONT_INHERIT:
case FONT_IGNORE:
break;
}
if (!im.empty()) {
if (include_previous_change) {
Cursor oldcur = cur;
cur.backwardInset();
cur.resetAnchor();
cur = oldcur;
cur.setSelection();
}
handleNest(cur, createInsetMath(im, cur.buffer()));
im.clear();
include_previous_change = true;
}
switch(font.fontInfo().uuline()) {
case FONT_ON:
if (!d || d->name() != "uuline")
} else if (font.fontInfo().uuline() == FONT_ON) {
if (!d || name != "uuline")
im = from_ascii("uuline");
break;
case FONT_OFF:
case FONT_TOGGLE:
case FONT_INHERIT:
case FONT_IGNORE:
break;
}
if (!im.empty()) {
if (include_previous_change) {
Cursor oldcur = cur;
cur.backwardInset();
cur.resetAnchor();
cur = oldcur;
cur.setSelection();
}
handleNest(cur, createInsetMath(im, cur.buffer()));
im.clear();
include_previous_change = true;
} else if (font.fontInfo().uwave() == FONT_ON) {
if (!d || name != "uwave")
im = from_ascii("uwave");
}
switch(font.fontInfo().uwave()) {
case FONT_ON:
if (!d || d->name() != "uwave")
im = from_ascii("uwave");
break;
case FONT_OFF:
case FONT_TOGGLE:
case FONT_INHERIT:
case FONT_IGNORE:
break;
}
if (!im.empty()) {
if (include_previous_change) {
Cursor oldcur = cur;