void InsetMathSpecialChar::metrics(MetricsInfo & mi, Dimension & dim) const
{
if (mi.base.fontname == "mathnormal") {
ShapeChanger dummy(mi.base.font, UP_SHAPE);
dim = theFontMetrics(mi.base.font).dimension(char_);
} else {
frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
dim = fm.dimension(char_);
kerning_ = fm.rbearing(char_) - dim.wid;
}
}
void InsetFormulaMacro::draw(PainterInfo & p, int x, int y) const
{
// label
Font font = p.base.font;
font.setColor(Color_math);
PainterInfo pi(p.base.bv, p.pain);
pi.base.style = LM_ST_TEXT;
pi.base.font = font;
int const a = y - dim_.asc + 1;
int const w = dim_.wid - 2;
int const h = dim_.height() - 2;
// Color_mathbg used to be "AntiqueWhite" but is "linen" now, too
pi.pain.fillRectangle(x, a, w, h, Color_mathmacrobg);
pi.pain.rectangle(x, a, w, h, Color_mathframe);
// FIXME
#if 0
Cursor & cur = p.base.bv->cursor();
if (cur.isInside(this))
cur.drawSelection(pi);
#endif
pi.pain.text(x + 2, y, prefix(), font);
// body
tmpl()->draw(pi,
x + theFontMetrics(p.base.font).width(prefix()) + 5,
y);
setPosCache(pi, x, y);
}
void InsetMathBig::metrics(MetricsInfo & mi, Dimension & dim) const
{
double const h = theFontMetrics(mi.base.font).ascent('I');
double const f = increase();
dim.wid = 6;
dim.asc = int(h + f * h);
dim.des = int(f * h);
}
void InsetFormulaMacro::metrics(MetricsInfo & mi, Dimension & dim) const
{
//lyxerr << "InsetFormulaMacro: " << this << " -- " << &tmpl() << endl;
tmpl()->metrics(mi, dim);
dim.asc += 5;
dim.des += 5;
dim.wid += 10 + theFontMetrics(mi.base.font).width(prefix());
dim_ = dim;
}
void InsetSpecialChar::metrics(MetricsInfo & mi, Dimension & dim) const
{
frontend::FontMetrics const & fm =
theFontMetrics(mi.base.font);
dim.asc = fm.maxAscent();
dim.des = 0;
dim.wid = 0;
docstring s;
switch (kind_) {
case ALLOWBREAK:
dim.asc = fm.xHeight();
dim.des = fm.descent('g');
dim.wid = fm.em() / 8;
break;
case LIGATURE_BREAK:
s = from_ascii("|");
break;
case END_OF_SENTENCE:
s = from_ascii(".");
break;
case LDOTS:
s = from_ascii(". . .");
break;
case MENU_SEPARATOR:
// ▹ U+25B9 WHITE RIGHT-POINTING SMALL TRIANGLE
// There is a \thinspace on each side of the triangle
dim.wid = 2 * fm.em() / 6 + fm.width(char_type(0x25B9));
break;
case HYPHENATION:
dim.wid = fm.width(from_ascii("-"));
if (dim.wid > 5)
dim.wid -= 2; // to make it look shorter
break;
case SLASH:
s = from_ascii("/");
dim.des = fm.descent(s[0]);
break;
case NOBREAKDASH:
s = from_ascii("-");
break;
case PHRASE_LYX:
case PHRASE_TEX:
case PHRASE_LATEX2E:
case PHRASE_LATEX:
dim.asc = fm.maxAscent();
dim.des = fm.maxDescent();
frontend::NullPainter np;
PainterInfo pi(mi.base.bv, np);
pi.base.font = mi.base.font;
drawLogo(pi, dim.wid, 0, kind_);
break;
}
if (dim.wid == 0)
dim.wid = fm.width(s);
}
void InsetMathBrace::metrics(MetricsInfo & mi, Dimension & dim) const
{
Dimension dim0;
cell(0).metrics(mi, dim0);
FontInfo font = mi.base.font;
augmentFont(font, from_ascii("mathnormal"));
Dimension t = theFontMetrics(font).dimension('{');
dim.asc = max(dim0.asc, t.asc);
dim.des = max(dim0.des, t.des);
dim.wid = dim0.width() + 2 * t.wid;
metricsMarkers(dim);
}
void InsetMathChar::metrics(MetricsInfo & mi, Dimension & dim) const
{
#if 1
if (char_ == '=' && has_math_fonts) {
FontSetChanger dummy(mi.base, "cmr");
dim = theFontMetrics(mi.base.font).dimension(char_);
} else if ((char_ == '>' || char_ == '<') && has_math_fonts) {
FontSetChanger dummy(mi.base, "cmm");
dim = theFontMetrics(mi.base.font).dimension(char_);
} else if (!slanted(char_) && mi.base.fontname == "mathnormal") {
ShapeChanger dummy(mi.base.font, UP_SHAPE);
dim = theFontMetrics(mi.base.font).dimension(char_);
} else {
frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
dim = fm.dimension(char_);
kerning_ = fm.rbearing(char_) - dim.wid;
}
int const em = mathed_char_width(mi.base.font, 'M');
if (isBinaryOp(char_))
dim.wid += static_cast<int>(0.5*em+0.5);
else if (char_ == '\'')
dim.wid += static_cast<int>(0.1667*em+0.5);
#else
whichFont(font_, code_, mi);
dim = theFontMetrics(font_).dimension(char_);
if (isBinaryOp(char_, code_))
dim.wid += 2 * theFontMetrics(font_).width(' ');
lyxerr << "InsetMathChar::metrics: " << dim << endl;
#endif
}
void InsetMathBrace::draw(PainterInfo & pi, int x, int y) const
{
FontInfo font = pi.base.font;
augmentFont(font, from_ascii("mathnormal"));
font.setShape(UP_SHAPE);
font.setColor(Color_latex);
Dimension t = theFontMetrics(font).dimension('{');
pi.pain.text(x, y, '{', font);
cell(0).draw(pi, x + t.wid, y);
Dimension const & dim0 = cell(0).dimension(*pi.base.bv);
pi.pain.text(x + t.wid + dim0.width(), y, '}', font);
drawMarkers(pi, x, y);
}
void RenderButton::metrics(MetricsInfo &, Dimension & dim) const
{
FontInfo font = sane_font;
font.decSize();
frontend::FontMetrics const & fm =
theFontMetrics(font);
if (editable_)
fm.buttonText(text_, dim.wid, dim.asc, dim.des);
else
fm.rectText(text_, dim.wid, dim.asc, dim.des);
dim.wid += 2;
dim_ = dim;
}
void InsetMathDelim::metrics(MetricsInfo & mi, Dimension & dim) const
{
Dimension dim0;
cell(0).metrics(mi, dim0);
Dimension t = theFontMetrics(mi.base.font).dimension('I');
int h0 = (t.asc + t.des) / 2;
int a0 = max(dim0.asc, t.asc) - h0;
int d0 = max(dim0.des, t.des) + h0;
dw_ = dim0.height() / 5;
if (dw_ > 8)
dw_ = 8;
if (dw_ < 4)
dw_ = 4;
dim.wid = dim0.width() + 2 * dw_ + 8;
dim.asc = max(a0, d0) + h0;
dim.des = max(a0, d0) - h0;
}
void InsetCaption::metrics(MetricsInfo & mi, Dimension & dim) const
{
FontInfo tmpfont = mi.base.font;
mi.base.font = mi.base.bv->buffer().params().getFont().fontInfo();
labelwidth_ = theFontMetrics(mi.base.font).width(full_label_);
// add some space to separate the label from the inset text
labelwidth_ += 2 * TEXT_TO_INSET_OFFSET;
dim.wid = labelwidth_;
Dimension textdim;
// Correct for button and label width
mi.base.textwidth -= dim.wid;
InsetText::metrics(mi, textdim);
mi.base.font = tmpfont;
mi.base.textwidth += dim.wid;
dim.des = max(dim.des - textdim.asc + dim.asc, textdim.des);
dim.asc = textdim.asc;
dim.wid += textdim.wid;
}
void InsetSpecialChar::metrics(MetricsInfo & mi, Dimension & dim) const
{
frontend::FontMetrics const & fm =
theFontMetrics(mi.base.font);
dim.asc = fm.maxAscent();
dim.des = fm.maxDescent();
string s;
switch (kind_) {
case LIGATURE_BREAK:
s = "|";
break;
case END_OF_SENTENCE:
s = ".";
break;
case LDOTS:
s = ". . .";
break;
case MENU_SEPARATOR:
s = " x ";
break;
case HYPHENATION:
s = "-";
break;
case SLASH:
s = "/";
break;
case NOBREAKDASH:
s = "-";
break;
}
docstring ds(s.begin(), s.end());
dim.wid = fm.width(ds);
if (kind_ == HYPHENATION && dim.wid > 5)
dim.wid -= 2; // to make it look shorter
setDimCache(mi, dim);
}
void InsetSpecialChar::draw(PainterInfo & pi, int x, int y) const
{
FontInfo font = pi.base.font;
switch (kind_) {
case HYPHENATION:
{
font.setColor(Color_special);
pi.pain.text(x, y, char_type('-'), font);
break;
}
case ALLOWBREAK:
{
// A small vertical line
int const asc = theFontMetrics(pi.base.font).xHeight();
int const desc = theFontMetrics(pi.base.font).descent('g');
int const x0 = x; // x + 1; // FIXME: incline,
int const x1 = x; // x - 1; // similar to LibreOffice?
int const y0 = y + desc;
int const y1 = y - asc / 3;
pi.pain.line(x0, y1, x1, y0, Color_special);
break;
}
case LIGATURE_BREAK:
{
font.setColor(Color_special);
pi.pain.text(x, y, char_type('|'), font);
break;
}
case END_OF_SENTENCE:
{
font.setColor(Color_special);
pi.pain.text(x, y, char_type('.'), font);
break;
}
case LDOTS:
{
font.setColor(Color_special);
string ell = ". . . ";
docstring dell(ell.begin(), ell.end());
pi.pain.text(x, y, dell, font);
break;
}
case MENU_SEPARATOR:
{
frontend::FontMetrics const & fm =
theFontMetrics(font);
// There is a \thinspace on each side of the triangle
x += fm.em() / 6;
// ▹ U+25B9 WHITE RIGHT-POINTING SMALL TRIANGLE
// ◃ U+25C3 WHITE LEFT-POINTING SMALL TRIANGLE
char_type const c = pi.ltr_pos ? 0x25B9 : 0x25C3;
font.setColor(Color_special);
pi.pain.text(x, y, c, font);
break;
}
case SLASH:
{
font.setColor(Color_special);
pi.pain.text(x, y, char_type('/'), font);
break;
}
case NOBREAKDASH:
{
font.setColor(Color_latex);
pi.pain.text(x, y, char_type('-'), font);
break;
}
case PHRASE_LYX:
case PHRASE_TEX:
case PHRASE_LATEX2E:
case PHRASE_LATEX:
drawLogo(pi, x, y, kind_);
break;
}
}
int Length::inPixels(MetricsBase const & base) const
{
return inPixels(base.textwidth, theFontMetrics(base.font).em());
}
void InsetSpecialChar::draw(PainterInfo & pi, int x, int y) const
{
FontInfo font = pi.base.font;
switch (kind_) {
case HYPHENATION:
{
font.setColor(Color_special);
pi.pain.text(x, y, char_type('-'), font);
break;
}
case LIGATURE_BREAK:
{
font.setColor(Color_special);
pi.pain.text(x, y, char_type('|'), font);
break;
}
case END_OF_SENTENCE:
{
font.setColor(Color_special);
pi.pain.text(x, y, char_type('.'), font);
break;
}
case LDOTS:
{
font.setColor(Color_special);
string ell = ". . . ";
docstring dell(ell.begin(), ell.end());
pi.pain.text(x, y, dell, font);
break;
}
case MENU_SEPARATOR:
{
frontend::FontMetrics const & fm =
theFontMetrics(font);
// A triangle the width and height of an 'x'
int w = fm.width(char_type('x'));
int ox = fm.width(char_type(' ')) + x;
int h = fm.ascent(char_type('x'));
int xp[4], yp[4];
xp[0] = ox; yp[0] = y;
xp[1] = ox; yp[1] = y - h;
xp[2] = ox + w; yp[2] = y - h/2;
xp[3] = ox; yp[3] = y;
pi.pain.lines(xp, yp, 4, Color_special);
break;
}
case SLASH:
{
font.setColor(Color_special);
pi.pain.text(x, y, char_type('/'), font);
break;
}
case NOBREAKDASH:
{
font.setColor(Color_latex);
pi.pain.text(x, y, char_type('-'), font);
break;
}
}
}
