+#include <config.h>
+#include "debug.h"
+#include "support/LOstream.h"
+
#ifdef __GNUG__
#pragma implementation
#endif
#include "math_scriptinset.h"
-#include "support/LOstream.h"
-#include "support.h"
-
-
-MathScriptInset::MathScriptInset()
- : MathNestInset(2), up_(false), down_(false), limits_(0), symbol_(0)
-{}
-MathScriptInset::MathScriptInset(bool up, bool down, MathInset * symbol)
- : MathNestInset(2), up_(up), down_(down), limits_(0), symbol_(symbol)
+MathScriptInset::MathScriptInset(bool up)
+ : MathNestInset(1), up_(up)
{}
-MathScriptInset::MathScriptInset(MathScriptInset const & p)
- : MathNestInset(p), up_(p.up_), down_(p.down_),
- limits_(p.limits_), symbol_(p.symbol_ ? p.symbol_->clone() : 0)
-{}
-
-
-MathScriptInset::~MathScriptInset()
-{
- delete symbol_;
-}
-
-
MathInset * MathScriptInset::clone() const
-{
- return new MathScriptInset(*this);
-}
-
-
-bool MathScriptInset::up() const
-{
- return up_;
-}
-
-
-bool MathScriptInset::down() const
-{
- return down_;
-}
-
-
-void MathScriptInset::up(bool b)
-{
- up_ = b;
-}
-
-
-void MathScriptInset::down(bool b)
-{
- down_ = b;
-}
-
-
-bool MathScriptInset::idxRight(int &, int &) const
-{
- return false;
-}
-
-
-bool MathScriptInset::idxLeft(int &, int &) const
-{
- return false;
-}
-
-
-bool MathScriptInset::idxUp(int & idx, int & pos) const
-{
- if (idx == 0 || !up())
- return false;
- idx = 0;
- pos = 0;
- return true;
-}
-
-bool MathScriptInset::idxDown(int & idx, int & pos) const
-{
- if (idx == 1 || !down())
- return false;
- idx = 1;
- pos = 0;
- return true;
-}
-
-bool MathScriptInset::idxFirst(int & idx, int & pos) const
-{
- idx = up() ? 0 : 1;
- pos = 0;
- return true;
-}
-
-bool MathScriptInset::idxLast(int & idx, int & pos) const
-{
- idx = down() ? 1 : 0;
- pos = cell(idx).size();
- return true;
-}
-
-
-bool MathScriptInset::idxFirstUp(int & idx, int & pos) const
{
- if (!up())
- return false;
- idx = 0;
- pos = 0;
- return true;
-}
-
-
-bool MathScriptInset::idxFirstDown(int & idx, int & pos) const
-{
- if (!down())
- return false;
- idx = 1;
- pos = 0;
- return true;
-}
-
-
-bool MathScriptInset::idxLastUp(int & idx, int & pos) const
-{
- if (!up())
- return false;
- idx = 0;
- pos = cell(idx).size();
- return true;
+ return new MathScriptInset(*this);
}
-bool MathScriptInset::idxLastDown(int & idx, int & pos) const
+MathScriptInset const * MathScriptInset::asScriptInset() const
{
- if (!down())
- return false;
- idx = 1;
- pos = cell(idx).size();
- return true;
+ return this;
}
-
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)
- up(false);
- else
- down(false);
- 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 << "] ";
- }
+ cell(0).write(os, fragile);
}
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;
- }
+ size_ = st;
+ xcell(0).metrics(st);
+ width_ = xcell(0).width();
+ ascent_ = xcell(0).ascent();
+ descent_ = xcell(0).descent();
+ //lyxerr << "MathScriptInset::metrics: w: " << width_ << " a: " << ascent_
+ // << " d: " << descent_ << "\n";
}
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_);
+ xcell(0).draw(pain, x, y);
}
projects / lyx.git / blobdiff