fix pullArg when pressing <Delete> at the end of an cell

[lyx.git] / src / mathed / math_bigopinset.C

diff --git a/src/mathed/math_bigopinset.C b/src/mathed/math_bigopinset.C
index f0d6e8cfee6157950e955fcb3a3aa3e3c942400b..96eeb84aa82c2e5dd6be4a8801758cab5ec23475 100644 (file)
--- a/src/mathed/math_bigopinset.C
+++ b/src/mathed/math_bigopinset.C
@@ -1,115 +1,134 @@
-#include <config.h>
-
 #include "math_bigopinset.h"
-#include "LColor.h"
 #include "Painter.h"
 #include "mathed/support.h"
 #include "support/LOstream.h"
 
+
 using std::ostream;
 
-MathBigopInset::MathBigopInset(string const & nam, int id, short st)
-       : MathedInset(nam, LM_OT_BIGOP, st), lims_(-1), sym_(id)
-{}
+MathBigopInset::MathBigopInset(string const & name, int id)
+       : MathUpDownInset(false, false), sym_(id), limits_(0)
+{
+       SetName(name);
+}
 
 
-MathedInset * MathBigopInset::Clone()
+MathInset * MathBigopInset::clone() const
 {
-       return new MathBigopInset(name, sym_, GetStyle());
+       return new MathBigopInset(*this);
 }
 
 
-void MathBigopInset::draw(Painter & pain, int x, int y)
+int MathBigopInset::limits() const 
 {
-       string s;
-       short t;
-       
-       if (sym_ < 256 || sym_ == LM_oint) {
-               s += (sym_ == LM_oint) ? LM_int : sym_;
-               t = LM_TC_BSYM;
-       } else {
-               s = name;
-               t = LM_TC_TEXTRM;
-       }
-       if (sym_ == LM_oint) {
-               pain.arc(x, y - 5 * width / 4, width, width, 0, 360 * 64,
-                        LColor::mathline);
-               ++x;
-       }
-       pain.text(x, y, s, mathed_get_font(t, size()));
+       return limits_; 
+} 
+
+
+void MathBigopInset::limits(int limits) 
+{  
+       limits_ = limits;
 }
 
 
-void MathBigopInset::Write(ostream & os, bool /* fragile */)
+bool MathBigopInset::hasLimits() const
 {
-       bool const limp = GetLimits();
-       
-       os << '\\' << name;
-       
-       if (limp && !(sym_ != LM_int && sym_ != LM_oint
-                     && (GetStyle() == LM_ST_DISPLAY)))
-               os << "\\limits ";
-       else 
-               if (!limp && (sym_ != LM_int && sym_ != LM_oint
-                             && (GetStyle() == LM_ST_DISPLAY)))
-                       os << "\\nolimits ";
-               else 
-                       os << ' ';
+       return limits_ == 1 || (limits_ == 0 && size() == LM_ST_DISPLAY);
 }
 
 
-void MathBigopInset::WriteNormal(ostream & os)
+void MathBigopInset::Write(ostream & os, bool fragile) const
 {
-       bool const limp = GetLimits();
-       
-       os << "[bigop " << name;
-       
-       if (limp && !(sym_ != LM_int && sym_ != LM_oint
-                     && (GetStyle() == LM_ST_DISPLAY)))
-               os << " limits";
-       else 
-               if (!limp && (sym_ != LM_int && sym_ != LM_oint
-                             && (GetStyle() == LM_ST_DISPLAY)))
-                       os << " nolimits";
-       
-       os << "] ";
+       //bool f = sym_ != LM_int && sym_ != LM_oint && size() == LM_ST_DISPLAY;
+       os << '\\' << name();
+       MathUpDownInset::Write(os, fragile);
+}
+
+
+void MathBigopInset::WriteNormal(ostream & os) const
+{
+       os << "[bigop " << name() << "] ";
 }
 
-void MathBigopInset::Metrics()
+
+void MathBigopInset::Metrics(MathStyles st, int, int)
 {
-       //char c;
-       string s;
-       short t;
+       //cerr << "\nBigopDraw\n";
+       size(st);
        
        if (sym_ < 256 || sym_ == LM_oint) {
-               char const c = (sym_ == LM_oint) ? LM_int: sym_;
-               s += c;
-               t = LM_TC_BSYM;
+               ssym_ = string();
+               ssym_ += (sym_ == LM_oint) ? LM_int : sym_;
+               code_ = LM_TC_BSYM;
+       } else {
+               ssym_ = name();
+               code_ = LM_TC_TEXTRM;
+       }
+
+       int wid;
+       mathed_string_dim(code_, size(), ssym_, ascent_, descent_, wid);
+       if (sym_ == LM_oint)
+               wid += 2;
+       //cerr << "  asc: " << ascent_ << " des: " << descent_
+       //      << " wid: " << wid << "\n";
+       //cerr << "  hasLimits: " << hasLimits() << " up: "
+       //      << up() << " down: " << down() << "\n";
+       
+       width_ = wid;
+
+       if (hasLimits()) {
+               xcell(0).Metrics(st);
+               xcell(1).Metrics(st);
+               //cerr << "  0: ascent_: " << xcell(0).ascent() << " descent_: " <<
+               //      xcell(0).descent() << " width_: " << xcell(0).width() << "\n";
+               //cerr << "  1: ascent_: " << xcell(1).ascent() << " descent_: " <<
+               //      xcell(1).descent() << " width_: " << xcell(1).width() << "\n";
+               if (up()) {
+                       ascent_  += xcell(0).height() + 1;
+                       width_   = std::max(width_, xcell(0).width());
+                       dy0_     = - (ascent_ - xcell(0).ascent());
+               }
+               if (down()) {
+                       descent_ += xcell(1).height() + 1;
+                       width_   = std::max(width_, xcell(1).width());
+                       dy1_     = descent_ - xcell(1).descent();
+               }
+               dxx_  = (width_ - wid) / 2;
+               dx0_  = (width_ - xcell(0).width()) / 2;
+               dx1_  = (width_ - xcell(1).width()) / 2;
+               //cerr << "  ascent_: " << ascent_ << " descent_: "
+               //      << descent_ << " width_: " << width_ << "\n";
+               //cerr << "  dx0_: " << dx0_ << " dx1_: " << dx1_
+               //      << " dxx_: " << dxx_ << "\n";
+               //cerr << "  dy0_: " << dy0_ << " dy1_: " << dy1_
+               //      << "\n";
        } else {
-               s = name;
-               t = LM_TC_TEXTRM;
+               MathUpDownInset::Metrics(st, ascent_, descent_);
+               width_   += wid;
+               dx0_     = wid;
+               dx1_     = wid;
+               dxx_     = 0;
        }
-       mathed_string_height(t, size(), s, ascent, descent);
-       width = mathed_string_width(t, size(), s);
-       if (sym_ == LM_oint) width += 2;
 }
 
 
-bool MathBigopInset::GetLimits() const 
+void MathBigopInset::draw(Painter & pain, int x, int y)
 {  
-       // Default case
-       if (lims_ < 0) {
-               return sym_ != LM_int &&
-                       sym_ != LM_oint &&
-                       GetStyle() == LM_ST_DISPLAY;
-       } 
-       
-       // Custom 
-       return lims_ > 0;
-} 
+       xo(x);
+       yo(y);
 
+       drawStr(pain, code_, size_, x + dxx_, y, ssym_);
 
-void MathBigopInset::SetLimits(bool ls) 
-{  
-       lims_ = ls ? 1 : 0; 
+       if (up())
+               xcell(0).draw(pain, x + dx0_, y + dy0_);
+       if (down())
+               xcell(1).draw(pain, x + dx1_, y + dy1_);
+
+       if (sym_ == LM_oint) {
+               int xx = x - 1;
+               int yy = y - (ascent_ - descent_) / 2;
+               pain.arc(xx, yy, width_, width_, 0, 360 * 64, LColor::mathline);
+       }
 }
+
+