-#include <config.h>
-
#ifdef __GNUG__
#pragma implementation
#endif
-#include <functional>
-
#include "math_scriptinset.h"
-#include "LColor.h"
-#include "Painter.h"
-#include "debug.h"
-#include "mathed/support.h"
#include "support/LOstream.h"
+#include "support.h"
MathScriptInset::MathScriptInset()
- : MathInset("script", LM_OT_SCRIPT, 2), up_(false), down_(false)
+ : MathNestInset(2), up_(false), down_(false), limits_(0), symbol_(0)
{}
-MathScriptInset::MathScriptInset(bool up, bool down)
- : MathInset("script", LM_OT_SCRIPT, 2), up_(up), down_(down)
+
+MathScriptInset::MathScriptInset(bool up, bool down, MathInset * symbol)
+ : MathNestInset(2), up_(up), down_(down), limits_(0), symbol_(symbol)
{}
-MathInset * MathScriptInset::clone() const
-{
- return new MathScriptInset(*this);
-}
+MathScriptInset::MathScriptInset(MathScriptInset const & p)
+ : MathNestInset(p), up_(p.up_), down_(p.down_),
+ limits_(p.limits_), symbol_(p.symbol_ ? p.symbol_->clone() : 0)
+{}
-void MathScriptInset::Metrics(MathStyles st)
+MathScriptInset::~MathScriptInset()
{
- MathInset::Metrics(st);
- size_ = st;
- width_ = std::max(xcell(0).width(), xcell(1).width()) + 2;
- if (up())
- ascent_ = std::max(ascent_, xcell(0).height() + 9);
- if (down())
- descent_ = std::max(descent_, xcell(1).height());
+ delete symbol_;
+}
+
+
+MathInset * MathScriptInset::clone() const
+{
+ return new MathScriptInset(*this);
}
return up_;
}
+
bool MathScriptInset::down() const
{
return down_;
}
+
void MathScriptInset::up(bool b)
{
up_ = b;
}
+
void MathScriptInset::down(bool b)
{
down_ = b;
}
-void MathScriptInset::draw(Painter & pain, int x, int y)
-{
- xo(x);
- yo(y);
- if (up())
- xcell(0).draw(pain, x, y - xcell(0).descent() - 9);
- if (down())
- xcell(1).draw(pain, x, y + xcell(1).ascent());
-}
-
-
-void MathScriptInset::Write(std::ostream & os, bool fragile) const
-{
- if (up()) {
- os << "^{";
- cell(0).Write(os, fragile);
- os << "}";
- }
- if (down()) {
- os << "_{";
- cell(1).Write(os, fragile);
- os << "}";
- }
-}
-
-
-void MathScriptInset::WriteNormal(std::ostream & os) const
-{
- if (up()) {
- os << "[superscript ";
- cell(0).WriteNormal(os);
- os << "] ";
- }
- if (down()) {
- os << "[subscript ";
- cell(1).WriteNormal(os);
- os << "] ";
- }
-}
-
bool MathScriptInset::idxRight(int &, int &) const
{
return false;
}
+
bool MathScriptInset::idxLeft(int &, int &) const
{
return false;
return true;
}
+
bool MathScriptInset::idxFirstDown(int & idx, int & pos) const
{
if (!down())
return true;
}
+
bool MathScriptInset::idxLastUp(int & idx, int & pos) const
{
if (!up())
return true;
}
+
bool MathScriptInset::idxLastDown(int & idx, int & pos) const
{
if (!down())
}
-bool MathScriptInset::idxDelete(int idx)
+void MathScriptInset::write(std::ostream & os, bool fragile) const
+{
+ if (symbol_) {
+ symbol_->write(os, fragile);
+ if (limits())
+ os << (limits() == 1 ? "\\limits" : "\\nolimits");
+ }
+ if (up()) {
+ os << "^{";
+ cell(0).write(os, fragile);
+ os << "}";
+ }
+ if (down()) {
+ os << "_{";
+ cell(1).write(os, fragile);
+ os << "}";
+ }
+ os << " ";
+}
+
+
+void MathScriptInset::idxDelete(int & idx, bool & popit, bool & deleteit)
{
- if (idx == 0) {
+ if (idx == 0)
up(false);
- return !down();
- } else {
+ else
down(false);
- return !up();
+ popit = true;
+ deleteit = !(up() || down());
+}
+
+
+int MathScriptInset::limits() const
+{
+ return limits_;
+}
+
+
+void MathScriptInset::limits(int limits)
+{
+ limits_ = limits;
+}
+
+
+bool MathScriptInset::hasLimits() const
+{
+ return
+ symbol_ && (limits_ == 1 || (limits_ == 0 && size() == LM_ST_DISPLAY));
+}
+
+
+void MathScriptInset::writeNormal(std::ostream & os) const
+{
+ if (limits() && symbol_)
+ os << "[" << (limits() ? "limits" : "nolimits") << "]";
+ if (up()) {
+ os << "[superscript ";
+ cell(0).writeNormal(os);
+ os << "] ";
}
+ if (down()) {
+ os << "[subscript ";
+ cell(1).writeNormal(os);
+ os << "] ";
+ }
+}
+
+
+void MathScriptInset::metrics(MathStyles st) const
+{
+ size_ = st;
+ MathStyles tt = smallerStyleScript(st);
+
+ xcell(0).metrics(tt);
+ xcell(1).metrics(tt);
+
+ width_ = std::max(xcell(0).width(), xcell(1).width());
+
+ if (hasLimits()) {
+ symbol_->metrics(st);
+ int wid = symbol_->width();
+ ascent_ = symbol_->ascent();
+ descent_ = symbol_->descent();
+ width_ = std::max(width_, wid);
+ if (up()) {
+ ascent_ += xcell(0).height() + 2;
+ dy0_ = - (ascent_ - xcell(0).ascent());
+ }
+ if (down()) {
+ descent_ += xcell(1).height() + 2;
+ dy1_ = descent_ - xcell(1).descent();
+ }
+ dxx_ = (width_ - wid) / 2;
+ dx0_ = (width_ - xcell(0).width()) / 2;
+ dx1_ = (width_ - xcell(1).width()) / 2;
+ } else {
+ int asc = 0;
+ int des = 0;
+ int wid = 0;
+ mathed_char_height(LM_TC_VAR, st, 'I', asc, des);
+ if (symbol_) {
+ symbol_->metrics(st);
+ wid = symbol_->width();
+ asc = symbol_->ascent();
+ des = symbol_->descent();
+ }
+ ascent_ = up() ? xcell(0).height() + asc : 0;
+ descent_ = down() ? xcell(1).height() + des : 0;
+ width_ += wid;
+ dy0_ = - asc - xcell(0).descent();
+ dy1_ = des + xcell(1).ascent();
+ dx0_ = wid;
+ dx1_ = wid;
+ dxx_ = 0;
+ }
+}
+
+
+void MathScriptInset::draw(Painter & pain, int x, int y) const
+{
+ xo(x);
+ yo(y);
+
+ if (symbol_)
+ symbol_->draw(pain, x + dxx_, y);
+ if (up())
+ xcell(0).draw(pain, x + dx0_, y + dy0_);
+ if (down())
+ xcell(1).draw(pain, x + dx1_, y + dy1_);
}