*
* Dependencies: Xlib, XForms
*
- * Copyright: (c) 1996, 1997 Alejandro Aguilar Sierra
+ * Copyright: 1996, 1997 Alejandro Aguilar Sierra
*
* Version: 0.8beta.
*
#include <config.h>
#ifdef __GNUG__
-#pragma implementation "math_inset.h"
+#pragma implementation
#endif
+#include "debug.h"
#include "math_iter.h"
#include "math_inset.h"
#include "symbol_def.h"
+#include "lyxfont.h"
+#include "mathed/support.h"
+#include "Painter.h"
-inline
-char * strnew(char const * s)
-{
- char * s1 = new char[strlen(s)+1];
- return strcpy(s1, s);
-}
-
-
-MathedInset::MathedInset(MathedInset * inset)
-{
- if (inset) {
- name = inset->GetName();
- objtype = inset->GetType();
- size = inset->GetStyle();
- width = inset->Width();
- ascent = inset->Ascent();
- descent = inset->Descent();
- } else {
- objtype = LM_OT_UNDEF;
- size = LM_ST_TEXT;
- width = ascent = descent = 0;
- name = 0;
- }
-}
-
-
-MathFuncInset::MathFuncInset(char const * nm, short ot, short st)
- : MathedInset("", ot, st)
-{
- ln = 0;
- lims = (GetType() == LM_OT_FUNCLIM);
- if (GetType() == LM_OT_UNDEF) {
- fname = strnew(nm);
- SetName(fname);
- } else {
- fname = 0;
- SetName(nm);
- }
-}
-
-
-MathedInset * MathFuncInset::Clone()
-{
- return new MathFuncInset(name, GetType(), GetStyle());
-}
+// Initialize some static class variables.
+int MathedInset::df_asc;
+int MathedInset::df_des;
+int MathedInset::df_width;
+int MathedInset::workWidth;
-MathSpaceInset::MathSpaceInset(int sp, short ot, short st)
- : MathedInset("", ot, st), space(sp)
+MathedInset::MathedInset(string const & nm, short ot, short st)
+ : name(nm), objtype(ot), width(0), ascent(0), descent(0),
+ size_(st)
{}
-MathedInset * MathSpaceInset::Clone()
-{
- return new MathSpaceInset(space, GetType(), GetStyle());
-}
-
-
-MathParInset::MathParInset(short st, char const * nm, short ot)
- : MathedInset(nm, ot, st)
-{
- array = 0;
- ascent = 8;
- width = 4;
- descent = 0;
- flag = 1;
- if (objtype == LM_OT_SCRIPT)
- flag |= LMPF_SCRIPT;
-}
-
-
-MathParInset::MathParInset(MathParInset * p)
- : MathedInset(p)
-{
- flag = p->flag;
- p->setArgumentIdx(0);
- MathedIter it(p->GetData());
- SetData(it.Copy());
-}
-
-
-MathParInset::~MathParInset()
-{
- if (array) {
- MathedIter it(array);
- it.Clear();
- delete array;
- }
-}
-
-
-MathedInset * MathParInset::Clone()
-{
- return new MathParInset(this);
-}
-
-
-void MathParInset::SetData(LyxArrayBase * a)
-{
- array = a;
-
- // A standard paragraph shouldn't have any tabs nor CRs.
- if (array) {
- MathedIter it(array);
- while (it.OK()) {
- char c = it.GetChar();
- if (c == LM_TC_TAB || c == LM_TC_CR)
- it.Delete();
- else
- it.Next();
- }
- }
-}
-
-
-MathSqrtInset::MathSqrtInset(short st)
- : MathParInset(st, "sqrt", LM_OT_SQRT) {}
-
-
-MathedInset * MathSqrtInset::Clone()
-{
- MathSqrtInset * p = new MathSqrtInset(GetStyle());
- MathedIter it(array);
- p->SetData(it.Copy());
- return p;
-}
-
-
-bool MathSqrtInset::Inside(int x, int y)
-{
- return x >= xo - hmax
- && x <= xo + width - hmax
- && y <= yo + descent
- && y >= yo - ascent;
-}
-
-
-MathDelimInset::MathDelimInset(int l, int r, short st)
- : MathParInset(st, "", LM_OT_DELIM), left(l), right(r) {}
-
-
-MathedInset * MathDelimInset::Clone()
-{
- MathDelimInset * p = new MathDelimInset(left, right, GetStyle());
- MathedIter it(array);
- p->SetData(it.Copy());
- return p;
-}
-
-
-MathDecorationInset::MathDecorationInset(int d, short st)
- : MathParInset(st, "", LM_OT_DECO), deco(d)
-{
- upper = (deco!= LM_underline && deco!= LM_underbrace);
-}
-
-
-MathedInset * MathDecorationInset::Clone()
-{
- MathDecorationInset * p = new MathDecorationInset(deco, GetStyle());
- MathedIter it(array);
- p->SetData(it.Copy());
- return p;
-}
-
-
-MathFracInset::MathFracInset(short ot)
- : MathParInset(LM_ST_TEXT, "frac", ot)
-{
+// In a near future maybe we use a better fonts renderer
+void MathedInset::drawStr(Painter & pain, short type, int siz,
+ int x, int y, string const & s)
+{
+ string st;
+ if (MathIsBinary(type))
+ for (string::const_iterator it = s.begin();
+ it != s.end(); ++it) {
+ st += ' ';
+ st += *it;
+ st += ' ';
+ }
+ else
+ st = s;
- den = new MathParInset(LM_ST_TEXT); // this leaks
- dh = 0;
- idx = 0;
- if (objtype == LM_OT_STACKREL) {
- flag |= LMPF_SCRIPT;
- SetName("stackrel");
- }
-}
-
-
-MathFracInset::~MathFracInset()
-{
- delete den;
+ LyXFont const mf = mathed_get_font(type, siz);
+ pain.text(x, y, st, mf);
}
-
-MathedInset * MathFracInset::Clone()
-{
- MathFracInset * p = new MathFracInset(GetType());
- MathedIter itn(array);
- MathedIter itd(den->GetData());
- p->SetData(itn.Copy(), itd.Copy());
- p->idx = idx;
- p->dh = dh;
- return p;
-}
-
-
-bool MathFracInset::setArgumentIdx(int i)
+void MathedInset::substitute(MathMacro *)
{
- if (i == 0 || i == 1) {
- idx = i;
- return true;
- } else
- return false;
}
-void MathFracInset::SetStyle(short st)
+int MathedInset::Ascent() const
{
- MathParInset::SetStyle(st);
- dh = 0;
- den->SetStyle((size == LM_ST_DISPLAY) ?
- static_cast<short>(LM_ST_TEXT)
- : size);
+ return ascent;
}
-void MathFracInset::SetData(LyxArrayBase * n, LyxArrayBase * d)
+int MathedInset::Descent() const
{
- den->SetData(d);
- MathParInset::SetData(n);
+ return descent;
}
-void MathFracInset::SetData(LyxArrayBase * d)
+int MathedInset::Width() const
{
- if (idx == 0)
- MathParInset::SetData(d);
- else {
- den->SetData(d);
- }
+ return width;
}
-void MathFracInset::GetXY(int & x, int & y) const
-{
- if (idx == 0)
- MathParInset::GetXY(x, y);
- else
- den->GetXY(x, y);
-}
-
-
-LyxArrayBase * MathFracInset::GetData()
+int MathedInset::Height() const
{
- if (idx == 0)
- return array;
- else
- return den->GetData();
+ return ascent + descent;
}
-bool MathFracInset::Inside(int x, int y)
+bool MathedInset::GetLimits() const
{
- int xx = xo - (width - w0) / 2;
-
- return x >= xx && x <= xx + width && y <= yo + descent && y >= yo - ascent;
+ return false;
}
-void MathFracInset::SetFocus(int /*x*/, int y)
-{
-// lyxerr << "y " << y << " " << yo << " " << den->yo << " ";
- idx = (y > yo) ? 1: 0;
-}
+void MathedInset::SetLimits(bool) {}
-MathMatrixInset::MathMatrixInset(int m, int n, short st)
- : MathParInset(st, "array", LM_OT_MATRIX), nc(m)
+string const & MathedInset::GetName() const
{
- ws = new int[nc];
- v_align = 0;
- h_align = new char[nc + 1];
- for (int i = 0; i < nc; ++i) h_align[i] = 'c';
- h_align[nc] = '\0';
- nr = 0;
- row = 0;
- flag = 15;
- if (n > 0) {
- row = new MathedRowSt(nc+1);
- MathedXIter it(this);
- for (int j = 1; j < n; ++j) it.addRow();
- nr = n;
- if (nr == 1 && nc > 1) {
- for (int j = 0; j < nc - 1; ++j)
- it.Insert('T', LM_TC_TAB);
- }
- } else if (n < 0) {
- row = new MathedRowSt(nc + 1);
- nr = 1;
- }
+ return name;
}
-MathMatrixInset::MathMatrixInset(MathMatrixInset * mt)
- : MathParInset(mt->GetStyle(), mt->GetName(), mt->GetType())
+short MathedInset::GetType() const
{
- nr = 0;
- nc = mt->nc;
- ws = new int[nc];
- h_align = new char[nc + 1];
- strcpy(h_align, mt->GetAlign(&v_align));
- MathedIter it;
- it.SetData(mt->GetData());
- array = it.Copy();
- if (mt->row != 0) {
- MathedRowSt * r, * ro= 0, * mrow = mt->row;
- //mrow = mt->row; // This must be redundant...
- while (mrow) {
- r = new MathedRowSt(nc + 1);
- r->numbered = mrow->numbered;
- if (mrow->label)
- r->label = strnew(mrow->label);
- if (!ro)
- row = r;
- else
- ro->next = r;
- mrow = mrow->next;
- ro = r;
- ++nr;
- }
- } else
- row = 0;
- flag = mt->flag;
+ return objtype;
}
-MathMatrixInset::~MathMatrixInset()
+short MathedInset::GetStyle() const
{
- delete[] ws;
-
- MathedRowSt * r = row;
- while (r) {
- MathedRowSt * q = r->next;
- delete r;
- r = q;
- }
+ return size_;
}
-MathedInset * MathMatrixInset::Clone()
+void MathedInset::SetType(short t)
{
- return new MathMatrixInset(this);
+ objtype = t;
}
-void MathMatrixInset::SetAlign(char vv, char const * hh)
+void MathedInset::SetStyle(short st)
{
- v_align = vv;
- strncpy(h_align, hh, nc);
+ size_ = st;
}
-// Check the number of tabs and crs
-void MathMatrixInset::SetData(LyxArrayBase * a)
+void MathedInset::SetName(string const & n)
{
- if (!a) return;
- MathedIter it(a);
- int nn = nc - 1;
- nr = 1;
- // count tabs per row
- while (it.OK()) {
- if (it.IsTab()) {
- if (nn < 0) {
- it.Delete();
- continue;
- } else {
-// it.Next();
- --nn;
- }
- }
- if (it.IsCR()) {
- while (nn > 0) {
- it.Insert(' ', LM_TC_TAB);
- --nn;
- }
- nn = nc - 1;
- ++nr;
- }
- it.Next();
- }
- it.Reset();
-
- // Automatically inserts tabs around bops
- // DISABLED because it's very easy to insert tabs
- array = a;
+ name = n;
}
-void MathMatrixInset::draw(Painter & pain, int x, int baseline)
+void MathedInset::defaultAscent(int da)
{
- MathParInset::draw(pain, x, baseline);
+ df_asc = da;
}
-void MathMatrixInset::Metrics()
-{
- int i, hl, h = 0;
- MathedRowSt * cprow= 0;
-
- if (!row) {
-// lyxerr << " MIDA ";
- MathedXIter it(this);
- row = it.adjustVerticalSt();
- }
-
- // Clean the arrays
- MathedRowSt * cxrow = row;
- while (cxrow) {
- for (i = 0; i <= nc; ++i) cxrow->w[i] = 0;
- cxrow = cxrow->next;
- }
-
- // Basic metrics
- MathParInset::Metrics();
-
- if (nc <= 1 && !row->next) {
- row->asc = ascent;
- row->desc = descent;
- }
-
- // Vertical positions of each row
- cxrow = row;
- while (cxrow) {
- for (i = 0; i < nc; ++i) {
- if (cxrow == row || ws[i]<cxrow->w[i]) ws[i]= cxrow->w[i];
- if (cxrow->next == 0 && ws[i] == 0) ws[i] = df_width;
- }
-
- cxrow->y = (cxrow == row) ? cxrow->asc:
- cxrow->asc + cprow->desc + MATH_ROWSEP + cprow->y;
- h += cxrow->asc + cxrow->desc + MATH_ROWSEP;
- cprow = cxrow;
- cxrow = cxrow->next;
- }
-
- hl = Descent();
- h -= MATH_ROWSEP;
-
- // Compute vertical align
- switch (v_align) {
- case 't': ascent = row->y; break;
- case 'b': ascent = h - hl; break;
- default: ascent = (row->next) ? h / 2: h - hl; break;
- }
- descent = h - ascent + 2;
-
-
- // Adjust local tabs
- cxrow = row;
- width = MATH_COLSEP;
- while (cxrow) {
- int rg = MATH_COLSEP, ww, lf = 0, * w = cxrow->w;
- for (i = 0; i < nc; ++i) {
- bool isvoid = false;
- if (w[i] <= 0) {
- w[i] = df_width;
- isvoid = true;
- }
- switch (h_align[i]) {
- case 'l': lf = 0; break;
- case 'c': lf = (ws[i] - w[i])/2;
- break;
- case 'r': lf = ws[i] - w[i]; break;
- }
- ww = (isvoid) ? lf: lf + w[i];
- w[i] = lf + rg;
- rg = ws[i] - ww + MATH_COLSEP;
- if (cxrow == row) width += ws[i] + MATH_COLSEP;
- }
- cxrow->y -= ascent;
- cxrow = cxrow->next;
- }
-}
-
-MathAccentInset::MathAccentInset(byte cx, MathedTextCodes f, int cd, short st)
- : MathedInset("", LM_OT_ACCENT, st), c(cx), fn(f), code(cd)
+void MathedInset::defaultDescent(int dd)
{
- inset = 0;
+ df_des = dd;
}
-MathAccentInset::MathAccentInset(MathedInset *ins, int cd, short st)
- : MathedInset("", LM_OT_ACCENT, st),
- c(0), fn(LM_TC_MIN), code(cd), inset(ins) {}
-
-
-MathAccentInset::~MathAccentInset()
+void MathedInset::defaultWidth(int dw)
{
- delete inset;
-}
-
-
-MathedInset * MathAccentInset::Clone()
-{
- MathAccentInset * p;
-
- if (inset)
- p = new MathAccentInset(inset->Clone(), code, GetStyle());
- else
- p = new MathAccentInset(c, fn, code, GetStyle());
-
- return p;
+ df_width = dw;
}
-MathBigopInset::MathBigopInset(char const* nam, int id, short st)
- : MathedInset(nam, LM_OT_BIGOP, st), sym(id)
+short MathedInset::size() const
{
- lims = -1;
+ return size_;
}
-MathedInset * MathBigopInset::Clone()
+void MathedInset::size(short s)
{
- return new MathBigopInset(name, sym, GetStyle());
+ size_ = s;
}
-
-MathDotsInset::MathDotsInset(char const * nam, int id, short st)
- : MathedInset(nam, LM_OT_DOTS, st), code(id) {}
-
-
-MathedInset * MathDotsInset::Clone()
+void MathedInset::incSize()
{
- return new MathDotsInset(name, code, GetStyle());
-}
+ ++size_;
+}
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