Improve the list of equations

[lyx.git] / src / mathed / InsetMathAMSArray.cpp

diff --git a/src/mathed/InsetMathAMSArray.cpp b/src/mathed/InsetMathAMSArray.cpp
index 39ea68881e366b72bb8b95389b47397004fa89b1..9a9a3495bc7434392afc1e41aa5e6d2c5519106c 100644 (file)
--- a/src/mathed/InsetMathAMSArray.cpp
+++ b/src/mathed/InsetMathAMSArray.cpp
@@ -3,40 +3,45 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author André Pönitz
+ * \author André Pönitz
  *
  * Full author contact details are available in file CREDITS.
  */
 
 #include <config.h>
 
-#include "LaTeXFeatures.h"
 #include "InsetMathAMSArray.h"
+
+#include "LaTeXFeatures.h"
 #include "MathData.h"
 #include "MathStream.h"
-#include "MathStream.h"
 #include "MathSupport.h"
+#include "MetricsInfo.h"
 
 #include "FuncRequest.h"
 #include "FuncStatus.h"
-#include "gettext.h"
 
+#include "support/gettext.h"
 #include "support/lstrings.h"
-#include "support/std_ostream.h"
 
+#include <sstream>
+#include <ostream>
 
-namespace lyx {
 
-using support::bformat;
+using namespace std;
+using namespace lyx::support;
+
+namespace lyx {
 
 
-InsetMathAMSArray::InsetMathAMSArray(docstring const & name, int m, int n)
-       : InsetMathGrid(m, n), name_(name)
+InsetMathAMSArray::InsetMathAMSArray(Buffer * buf, docstring const & name,
+               int m, int n)
+       : InsetMathGrid(buf, m, n), name_(name)
 {}
 
 
-InsetMathAMSArray::InsetMathAMSArray(docstring const & name)
-       : InsetMathGrid(1, 1), name_(name)
+InsetMathAMSArray::InsetMathAMSArray(Buffer * buf, docstring const & name)
+       : InsetMathGrid(buf, 1, 1), name_(name)
 {}
 
 
@@ -78,53 +83,58 @@ char const * InsetMathAMSArray::name_right() const
 }
 
 
-bool InsetMathAMSArray::metrics(MetricsInfo & mi, Dimension & dim) const
+void InsetMathAMSArray::metrics(MetricsInfo & mi, Dimension & dim) const
 {
-       ArrayChanger dummy(mi.base);
+       Changer dummy2 = mi.base.changeEnsureMath();
+       Changer dummy = mi.base.changeArray();
        InsetMathGrid::metrics(mi, dim);
-       dim.wid += 14;
-       bool const changed = dim_ != dim;
-       dim_ = dim;
-       return changed;
 }
 
 
 void InsetMathAMSArray::draw(PainterInfo & pi, int x, int y) const
 {
-       int const yy = y - dim_.ascent();
-       // Drawing the deco after an ArrayChanger does not work
-       mathed_draw_deco(pi, x + 1, yy, 5, dim_.height(), from_ascii(name_left()));
-       mathed_draw_deco(pi, x + dim_.width() - 8, yy, 5, dim_.height(), from_ascii(name_right()));
-       ArrayChanger dummy(pi.base);
-       InsetMathGrid::drawWithMargin(pi, x, y, 6, 8);
+       Changer dummy2 = pi.base.changeEnsureMath();
+       Dimension const dim = dimension(*pi.base.bv);
+       int const yy = y - dim.ascent();
+       // Drawing the deco after changeStyle does not work
+       mathed_draw_deco(pi, x + 1, yy, 5, dim.height(), from_ascii(name_left()));
+       mathed_draw_deco(pi, x + dim.width() - 8, yy, 5, dim.height(), from_ascii(name_right()));
+       Changer dummy = pi.base.changeArray();
+       InsetMathGrid::draw(pi, x, y);
 }
 
 
 bool InsetMathAMSArray::getStatus(Cursor & cur, FuncRequest const & cmd,
                FuncStatus & flag) const
 {
-       switch (cmd.action) {
+       switch (cmd.action()) {
        case LFUN_TABULAR_FEATURE: {
-               docstring const & s = cmd.argument();
+               string s = cmd.getArg(0);
                if (s == "add-vline-left" || s == "add-vline-right") {
                        flag.message(bformat(
-                               from_utf8(N_("Can't add vertical grid lines in '%1$s'")),       name_));
-                       flag.enabled(false);
+                               from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
+                               name_));
+                       flag.setEnabled(false);
                        return true;
                }
-               return InsetMathGrid::getStatus(cur, cmd, flag);
+               break;
        }
        default:
-               return InsetMathGrid::getStatus(cur, cmd, flag);
+               break;
        }
+       return InsetMathGrid::getStatus(cur, cmd, flag);
 }
 
 
 void InsetMathAMSArray::write(WriteStream & os) const
 {
+       MathEnsurer ensurer(os);
        os << "\\begin{" << name_ << '}';
+       bool open = os.startOuterRow();
        InsetMathGrid::write(os);
        os << "\\end{" << name_ << '}';
+       if (open)
+               os.startOuterRow();
 }
 
 
@@ -146,7 +156,12 @@ void InsetMathAMSArray::normalize(NormalStream & os) const
 
 void InsetMathAMSArray::validate(LaTeXFeatures & features) const
 {
-       features.require("amsmath");
+       if (name_ == "CD")
+               // amscd is independent of amsmath although it is part of
+               // the amsmath bundle
+               features.require("amscd");
+       else
+               features.require("amsmath");
        InsetMathGrid::validate(features);
 }