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GuiDelimiter: use SVG icons rather than relying on font (#12085)

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This commit is contained in:
Juergen Spitzmueller 2021-02-06 14:04:48 +01:00
parent f7f1b6ebae
commit fcc832ebeb
1 changed files with 42 additions and 56 deletions
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98
src/frontends/qt/GuiDelimiter.cpp
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@ -81,12 +81,13 @@ static docstring fix_name(string const & str, bool big)
struct MathSymbol {
MathSymbol(char_type uc = '?', unsigned char fc = 0,
FontFamily ff = SYMBOL_FAMILY)
: unicode(uc), fontcode(fc), fontfamily(ff)
FontFamily ff = SYMBOL_FAMILY, string icon = string())
: unicode(uc), fontcode(fc), fontfamily(ff), icon(icon)
{}
char_type unicode;
unsigned char fontcode;
FontFamily fontfamily;
string icon;
};
/// TeX-name / Math-symbol map.
@ -103,34 +104,34 @@ void initMathSymbols()
// defined with non-unicode ids for use within mathed.
// FIXME 2: We should fill-in this map with the parsed "symbols"
// file done in MathFactory.cpp.
math_symbols_["("] = MathSymbol('(', 40, CMR_FAMILY);
math_symbols_[")"] = MathSymbol(')', 41, CMR_FAMILY);
math_symbols_["{"] = MathSymbol('{', 102, CMSY_FAMILY);
math_symbols_["}"] = MathSymbol('}', 103, CMSY_FAMILY);
math_symbols_["["] = MathSymbol('[', 91, CMR_FAMILY);
math_symbols_["]"] = MathSymbol(']', 93, CMR_FAMILY);
math_symbols_["|"] = MathSymbol('|', 106, CMSY_FAMILY);
math_symbols_["/"] = MathSymbol('/', 47, CMR_FAMILY);
math_symbols_["backslash"] = MathSymbol('\\', 110, CMSY_FAMILY);
math_symbols_["lceil"] = MathSymbol(0x2308, 100, CMSY_FAMILY);
math_symbols_["rceil"] = MathSymbol(0x2309, 101, CMSY_FAMILY);
math_symbols_["lfloor"] = MathSymbol(0x230A, 98, CMSY_FAMILY);
math_symbols_["rfloor"] = MathSymbol(0x230B, 99, CMSY_FAMILY);
math_symbols_["langle"] = MathSymbol(0x2329, 104, CMSY_FAMILY);
math_symbols_["rangle"] = MathSymbol(0x232A, 105, CMSY_FAMILY);
math_symbols_["llbracket"] = MathSymbol(0x27e6, 74, STMARY_FAMILY);
math_symbols_["rrbracket"] = MathSymbol(0x27e7, 75, STMARY_FAMILY);
math_symbols_["uparrow"] = MathSymbol(0x2191, 34, CMSY_FAMILY);
math_symbols_["Uparrow"] = MathSymbol(0x21D1, 42, CMSY_FAMILY);
math_symbols_["updownarrow"] = MathSymbol(0x2195, 108, CMSY_FAMILY);
math_symbols_["Updownarrow"] = MathSymbol(0x21D5, 109, CMSY_FAMILY);
math_symbols_["downarrow"] = MathSymbol(0x2193, 35, CMSY_FAMILY);
math_symbols_["Downarrow"] = MathSymbol(0x21D3, 43, CMSY_FAMILY);
math_symbols_["downdownarrows"] = MathSymbol(0x21CA, 184, MSA_FAMILY);
math_symbols_["downharpoonleft"] = MathSymbol(0x21C3, 188, MSA_FAMILY);
math_symbols_["downharpoonright"] = MathSymbol(0x21C2, 186, MSA_FAMILY);
math_symbols_["vert"] = MathSymbol(0x007C, 106, CMSY_FAMILY);
math_symbols_["Vert"] = MathSymbol(0x2016, 107, CMSY_FAMILY);
math_symbols_["("] = MathSymbol('(', 40, CMR_FAMILY, "lparen");
math_symbols_[")"] = MathSymbol(')', 41, CMR_FAMILY, "rparen");
math_symbols_["{"] = MathSymbol('{', 102, CMSY_FAMILY, "lbrace");
math_symbols_["}"] = MathSymbol('}', 103, CMSY_FAMILY, "rbrace");
math_symbols_["["] = MathSymbol('[', 91, CMR_FAMILY, "lbracket");
math_symbols_["]"] = MathSymbol(']', 93, CMR_FAMILY, "rbracket");
math_symbols_["|"] = MathSymbol('|', 106, CMSY_FAMILY, "mid");
math_symbols_["/"] = MathSymbol('/', 47, CMR_FAMILY, "slash");
math_symbols_["backslash"] = MathSymbol('\\', 110, CMSY_FAMILY, "backslash");
math_symbols_["lceil"] = MathSymbol(0x2308, 100, CMSY_FAMILY, "lceil");
math_symbols_["rceil"] = MathSymbol(0x2309, 101, CMSY_FAMILY, "rceil");
math_symbols_["lfloor"] = MathSymbol(0x230A, 98, CMSY_FAMILY, "lfloor");
math_symbols_["rfloor"] = MathSymbol(0x230B, 99, CMSY_FAMILY, "rfloor");
math_symbols_["langle"] = MathSymbol(0x2329, 104, CMSY_FAMILY, "langle");
math_symbols_["rangle"] = MathSymbol(0x232A, 105, CMSY_FAMILY, "rangle");
math_symbols_["llbracket"] = MathSymbol(0x27e6, 74, STMARY_FAMILY, "llbracket");
math_symbols_["rrbracket"] = MathSymbol(0x27e7, 75, STMARY_FAMILY, "rrbracket");
math_symbols_["uparrow"] = MathSymbol(0x2191, 34, CMSY_FAMILY, "uparrow");
math_symbols_["Uparrow"] = MathSymbol(0x21D1, 42, CMSY_FAMILY, "uparrow2");
math_symbols_["updownarrow"] = MathSymbol(0x2195, 108, CMSY_FAMILY, "updownarrow");
math_symbols_["Updownarrow"] = MathSymbol(0x21D5, 109, CMSY_FAMILY, "updownarrow2");
math_symbols_["downarrow"] = MathSymbol(0x2193, 35, CMSY_FAMILY, "downarrow");
math_symbols_["Downarrow"] = MathSymbol(0x21D3, 43, CMSY_FAMILY, "downarrow2");
math_symbols_["downdownarrows"] = MathSymbol(0x21CA, 184, MSA_FAMILY, "downdownarrows");
math_symbols_["downharpoonleft"] = MathSymbol(0x21C3, 188, MSA_FAMILY, "downharpoonleft");
math_symbols_["downharpoonright"] = MathSymbol(0x21C2, 186, MSA_FAMILY, "downharpoonright");
math_symbols_["vert"] = MathSymbol(0x007C, 106, CMSY_FAMILY, "vert");
math_symbols_["Vert"] = MathSymbol(0x2016, 107, CMSY_FAMILY, "vert2");
map<string, MathSymbol>::const_iterator it = math_symbols_.begin();
map<string, MathSymbol>::const_iterator end = math_symbols_.end();
@ -167,13 +168,13 @@ string const & texName(char_type math_symbol)
void setDelimiterName(QListWidgetItem * lwi, string const & name)
{
lwi->setData(Qt::UserRole, toqstr(name));
lwi->setToolTip(toqstr(name));
}
string getDelimiterName(QListWidgetItem const * lwi)
{
return fromqstr(lwi->data(Qt::UserRole).toString());
return fromqstr(lwi->data(Qt::ToolTipRole).toString());
}
@ -197,13 +198,12 @@ GuiDelimiter::GuiDelimiter(GuiView & lv)
initMathSymbols();
FontInfo lyxfont;
lyxfont.setFamily(CMR_FAMILY);
QFontMetrics fm(frontend::getFont(lyxfont));
QSize item_size(fm.maxWidth(), fm.height() + 8);
QSize icon_size(32, 32);
leftLW->setMinimumWidth(5 * item_size.width());
rightLW->setMinimumWidth(5 * item_size.width());
leftLW->setMinimumWidth(5 * icon_size.width());
rightLW->setMinimumWidth(5 * icon_size.width());
leftLW->setIconSize(icon_size);
rightLW->setIconSize(icon_size);
typedef map<char_type, QListWidgetItem *> ListItems;
ListItems list_items;
@ -212,26 +212,12 @@ GuiDelimiter::GuiDelimiter(GuiView & lv)
for (int i = 0; i < end; ++i) {
string const delim = latex_delimiters[i];
MathSymbol const & ms = mathSymbol(delim);
QString symbol(ms.fontcode?
QChar(ms.fontcode) : toqstr(docstring(1, ms.unicode)));
QListWidgetItem * lwi = new QListWidgetItem(symbol);
lyxfont.setFamily(ms.fontfamily);
QFont const & font = frontend::getFont(lyxfont);
lwi->setFont(font);
// get pixmap with bullets
QPixmap pixmap = getPixmap("images/math/", toqstr(ms.icon), "svgz,png");
QListWidgetItem * lwi = new QListWidgetItem(QIcon(pixmap), QString());
setDelimiterName(lwi, delim);
lwi->setToolTip(toqstr(delim));
lwi->setSizeHint(item_size);
switch (ms.fontfamily) {
case CMSY_FAMILY:
case STMARY_FAMILY:
// Hack to work around the broken metrics of these fonts
// FIXME: Better fix the fonts or use fonts that are not broken
lwi->setTextAlignment(Qt::AlignTop | Qt::AlignHCenter);
break;
default:
lwi->setTextAlignment(Qt::AlignCenter);
}
list_items[ms.unicode] = lwi;
lwi->setSizeHint(icon_size);
leftLW->addItem(lwi);
}