-#ifdef __GNUG__
-#pragma implementation
-#endif
+/**
+ * \file math_nestinset.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+#include <config.h>
#include "math_nestinset.h"
+#include "math_cursor.h"
#include "math_mathmlstream.h"
+#include "math_parser.h"
+#include "BufferView.h"
+#include "dispatchresult.h"
#include "debug.h"
+#include "funcrequest.h"
+#include "LColor.h"
+#include "frontends/Painter.h"
MathNestInset::MathNestInset(idx_type nargs)
- : MathDimInset(), cells_(nargs)
+ : cells_(nargs), lock_(false)
{}
}
-MathXArray & MathNestInset::xcell(idx_type i)
+MathArray & MathNestInset::cell(idx_type i)
{
return cells_[i];
}
-MathXArray const & MathNestInset::xcell(idx_type i) const
+MathArray const & MathNestInset::cell(idx_type i) const
{
return cells_[i];
}
-MathArray & MathNestInset::cell(idx_type i)
-{
- return cells_[i].data_;
-}
-
-
-MathArray const & MathNestInset::cell(idx_type i) const
+void MathNestInset::getPos(idx_type idx, pos_type pos, int & x, int & y) const
{
- return cells_[i].data_;
+ MathArray const & ar = cell(idx);
+ x = ar.xo() + ar.pos2x(pos);
+ y = ar.yo();
+ // move cursor visually into empty cells ("blue rectangles");
+ if (cell(idx).empty())
+ x += 2;
}
}
-void MathNestInset::metrics(MathMetricsInfo const & mi) const
-{
- for (idx_type i = 0; i < nargs(); ++i)
- xcell(i).metrics(mi);
-}
-
-
-void MathNestInset::draw(Painter & pain, int x, int y) const
+void MathNestInset::metrics(MetricsInfo const & mi) const
{
+ MetricsInfo m = mi;
for (idx_type i = 0; i < nargs(); ++i)
- xcell(i).draw(pain, x + xcell(i).xo(), y + xcell(i).yo());
+ cell(i).metrics(m);
}
}
-bool MathNestInset::idxFirst(idx_type & i, pos_type & pos) const
+bool MathNestInset::idxFirst(idx_type & idx, pos_type & pos) const
{
if (nargs() == 0)
return false;
- i = 0;
+ idx = 0;
pos = 0;
return true;
}
-bool MathNestInset::idxLast(idx_type & i, pos_type & pos) const
+bool MathNestInset::idxLast(idx_type & idx, pos_type & pos) const
{
if (nargs() == 0)
return false;
- i = nargs() - 1;
- pos = cell(i).size();
+ idx = nargs() - 1;
+ pos = cell(idx).size();
return true;
}
}
-void MathNestInset::push_back(MathAtom const & t)
+//void MathNestInset::draw(PainterInfo & pi, int x, int y) const
+void MathNestInset::draw(PainterInfo &, int, int) const
+{
+#if 0
+ if (lock_)
+ pi.pain.fillRectangle(x, y - ascent(), width(), height(),
+ LColor::mathlockbg);
+#endif
+}
+
+
+void MathNestInset::drawSelection(PainterInfo & pi,
+ idx_type idx1, pos_type pos1, idx_type idx2, pos_type pos2) const
{
- if (nargs())
- cells_.back().data_.push_back(t);
- else
- lyxerr << "can't push without a cell\n";
+ if (idx1 == idx2) {
+ MathArray const & c = cell(idx1);
+ int x1 = c.xo() + c.pos2x(pos1);
+ int y1 = c.yo() - c.ascent();
+ int x2 = c.xo() + c.pos2x(pos2);
+ int y2 = c.yo() + c.descent();
+ pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
+ } else {
+ for (idx_type i = 0; i < nargs(); ++i) {
+ if (idxBetween(i, idx1, idx2)) {
+ MathArray const & c = cell(i);
+ int x1 = c.xo();
+ int y1 = c.yo() - c.ascent();
+ int x2 = c.xo() + c.width();
+ int y2 = c.yo() + c.descent();
+ pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
+ }
+ }
+ }
}
}
-bool MathNestInset::covers(int x, int y) const
+void MathNestInset::replace(ReplaceData & rep)
{
- if (!nargs())
- return false;
- int x0 = xcell(0).xo();
- int y0 = xcell(0).yo() - xcell(0).ascent();
- int x1 = xcell(0).xo() + xcell(0).width();
- int y1 = xcell(0).yo() + xcell(0).descent();
- for (idx_type i = 1; i < nargs(); ++i) {
- x0 = std::min(x0, xcell(i).xo());
- y0 = std::min(y0, xcell(i).yo() - xcell(i).ascent());
- x1 = std::max(x1, xcell(i).xo() + xcell(i).width());
- y1 = std::max(y1, xcell(i).yo() + xcell(i).descent());
- }
- return x >= x0 && x <= x1 && y >= y0 && y <= y1;
+ for (idx_type i = 0; i < nargs(); ++i)
+ cell(i).replace(rep);
}
-bool MathNestInset::match(MathInset * p) const
+bool MathNestInset::contains(MathArray const & ar) const
{
- if (nargs() != p->nargs())
- return false;
for (idx_type i = 0; i < nargs(); ++i)
- if (!cell(i).match(p->cell(i)))
- return false;
- return true;
+ if (cell(i).contains(ar))
+ return true;
+ return false;
+}
+
+
+bool MathNestInset::editing() const
+{
+ return mathcursor && mathcursor->isInside(this);
+}
+
+
+bool MathNestInset::lock() const
+{
+ return lock_;
+}
+
+
+void MathNestInset::lock(bool l)
+{
+ lock_ = l;
+}
+
+
+bool MathNestInset::isActive() const
+{
+ return nargs() > 0;
+}
+
+
+MathArray MathNestInset::glue() const
+{
+ MathArray ar;
+ for (unsigned i = 0; i < nargs(); ++i)
+ ar.append(cell(i));
+ return ar;
+}
+
+
+void MathNestInset::write(WriteStream & os) const
+{
+ os << '\\' << name().c_str();
+ for (unsigned i = 0; i < nargs(); ++i)
+ os << '{' << cell(i) << '}';
+ if (nargs() == 0)
+ os.pendingSpace(true);
+ if (lock_ && !os.latex()) {
+ os << "\\lyxlock";
+ os.pendingSpace(true);
+ }
+}
+
+
+void MathNestInset::normalize(NormalStream & os) const
+{
+ os << '[' << name().c_str();
+ for (unsigned i = 0; i < nargs(); ++i)
+ os << ' ' << cell(i);
+ os << ']';
+}
+
+
+void MathNestInset::notifyCursorLeaves(idx_type idx)
+{
+ cell(idx).notifyCursorLeaves();
+}
+
+
+DispatchResult
+MathNestInset::priv_dispatch(FuncRequest const & cmd,
+ idx_type & idx, pos_type & pos)
+{
+ BufferView * bv = cmd.view();
+
+ switch (cmd.action) {
+
+ case LFUN_PASTE: {
+ MathArray ar;
+ mathed_parse_cell(ar, cmd.argument);
+ cell(idx).insert(pos, ar);
+ pos += ar.size();
+ return DispatchResult(true, true);
+ }
+
+ case LFUN_PASTESELECTION:
+ return
+ dispatch(
+ FuncRequest(bv, LFUN_PASTE, bv->getClipboard()), idx, pos);
+
+ case LFUN_MOUSE_PRESS:
+ if (cmd.button() == mouse_button::button2)
+ return priv_dispatch(FuncRequest(bv, LFUN_PASTESELECTION), idx, pos);
+ return DispatchResult(false);
+
+ default:
+ return MathInset::priv_dispatch(cmd, idx, pos);
+ }
+}
+
+
+void MathNestInset::metricsMarkers(int) const
+{
+ dim_.wid += 2;
+ dim_.asc += 1;
+}
+
+
+void MathNestInset::metricsMarkers2(int) const
+{
+ dim_.wid += 2;
+ dim_.asc += 1;
+ dim_.des += 1;
+}
+
+void MathNestInset::drawMarkers(PainterInfo & pi, int x, int y) const
+{
+ if (!editing())
+ return;
+ int t = x + dim_.width() - 1;
+ int d = y + dim_.descent();
+ pi.pain.line(x, d - 3, x, d, LColor::mathframe);
+ pi.pain.line(t, d - 3, t, d, LColor::mathframe);
+ pi.pain.line(x, d, x + 3, d, LColor::mathframe);
+ pi.pain.line(t - 3, d, t, d, LColor::mathframe);
+}
+
+
+void MathNestInset::drawMarkers2(PainterInfo & pi, int x, int y) const
+{
+ if (!editing())
+ return;
+ drawMarkers(pi, x, y);
+ int t = x + dim_.width() - 1;
+ int a = y - dim_.ascent();
+ pi.pain.line(x, a + 3, x, a, LColor::mathframe);
+ pi.pain.line(t, a + 3, t, a, LColor::mathframe);
+ pi.pain.line(x, a, x + 3, a, LColor::mathframe);
+ pi.pain.line(t - 3, a, t, a, LColor::mathframe);
}