X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FMathRow.cpp;h=81b6ad9e9218cc406dfbae1521a4389f7b205951;hb=ffff88e7fcd46afaa3b1823e9fcdc4aad4e2114b;hp=c3c9a1c9341936f95d04fa9afee7e35e97319721;hpb=d2ad9ae6e2db76c1cbb92f0f069aa0f2fdcbcc31;p=features.git

diff --git a/src/mathed/MathRow.cpp b/src/mathed/MathRow.cpp
index c3c9a1c934..81b6ad9e92 100644
--- a/src/mathed/MathRow.cpp
+++ b/src/mathed/MathRow.cpp
@@ -12,15 +12,16 @@
 
 #include "MathRow.h"
 
-#include "InsetMath.h"
-#include "MathClass.h"
 #include "MathData.h"
 #include "MathSupport.h"
 
 #include "BufferView.h"
+#include "ColorSet.h"
 #include "CoordCache.h"
 #include "MetricsInfo.h"
 
+#include "mathed/InsetMath.h"
+
 #include "frontends/FontMetrics.h"
 #include "frontends/Painter.h"
 
@@ -38,11 +39,114 @@ namespace lyx {
 
 MathRow::Element::Element(MetricsInfo const & mi, Type t, MathClass mc)
 	: type(t), mclass(mc), before(0), after(0), macro_nesting(mi.base.macro_nesting),
-	  marker(InsetMath::NO_MARKER), inset(0), compl_unique_to(0), ar(0),
+	  marker(marker_type::NO_MARKER), inset(nullptr), compl_unique_to(0), ar(nullptr),
 	  color(Color_red)
 {}
 
 
+namespace {
+
+// Helper functions for markers
+
+int markerMargin(MathRow::Element const & e)
+{
+	switch(e.marker) {
+	case marker_type::MARKER:
+	case marker_type::MARKER2:
+	case marker_type::BOX_MARKER:
+		return 2;
+	case marker_type::NO_MARKER:
+		return 0;
+	}
+	// should not happen
+	return 0;
+}
+
+
+void afterMetricsMarkers(MetricsInfo const & , MathRow::Element & e,
+                            Dimension & dim)
+{
+	// handle vertical space for markers
+	switch(e.marker) {
+	case marker_type::NO_MARKER:
+		break;
+	case marker_type::MARKER:
+		++dim.des;
+		break;
+	case marker_type::MARKER2:
+		++dim.asc;
+		++dim.des;
+		break;
+	case marker_type::BOX_MARKER:
+		FontInfo font;
+		font.setSize(TINY_SIZE);
+		Dimension namedim;
+		mathed_string_dim(font, e.inset->name(), namedim);
+		int const namewid = 1 + namedim.wid + 1;
+
+		if (namewid > dim.wid)
+			e.after += namewid - dim.wid;
+		++dim.asc;
+		dim.des += 3 + namedim.height();
+	}
+}
+
+
+void drawMarkers(PainterInfo const & pi, MathRow::Element const & e,
+                 int const x, int const y)
+{
+	if (e.marker == marker_type::NO_MARKER)
+		return;
+
+	CoordCache const & coords = pi.base.bv->coordCache();
+	Dimension const dim = coords.getInsets().dim(e.inset);
+
+	// the marker is before/after the inset. Necessary space has been reserved already.
+	int const l = x + e.before - (markerMargin(e) > 0 ? 1 : 0);
+	int const r = x + dim.width() - e.after;
+
+	// Grey lower box
+	if (e.marker == marker_type::BOX_MARKER) {
+		// draw header and rectangle around
+		FontInfo font;
+		font.setSize(TINY_SIZE);
+		font.setColor(Color_mathmacrolabel);
+		Dimension namedim;
+		mathed_string_dim(font, e.inset->name(), namedim);
+		pi.pain.fillRectangle(l, y + dim.des - namedim.height() - 2,
+		                      dim.wid, namedim.height() + 2, Color_mathmacrobg);
+		pi.pain.text(l, y + dim.des - namedim.des - 1, e.inset->name(), font);
+	}
+
+	// Color for corners
+	bool const highlight = e.inset->mouseHovered(pi.base.bv)
+	                       || e.inset->editing(pi.base.bv);
+	ColorCode const pen_color = highlight ? Color_mathframe : Color_mathcorners;
+	// If the corners have the same color as the background, do not paint them.
+	if (lcolor.getX11HexName(Color_mathbg) == lcolor.getX11HexName(pen_color))
+		return;
+
+	// Lower corners in all cases
+	int const d = y + dim.descent();
+	pi.pain.line(l, d - 3, l, d, pen_color);
+	pi.pain.line(r, d - 3, r, d, pen_color);
+	pi.pain.line(l, d, l + 3, d, pen_color);
+	pi.pain.line(r - 3, d, r, d, pen_color);
+
+	// Upper corners
+	if (e.marker == marker_type::BOX_MARKER
+	    || e.marker == marker_type::MARKER2) {
+		int const a = y - dim.ascent();
+		pi.pain.line(l, a + 3, l, a, pen_color);
+		pi.pain.line(r, a + 3, r, a, pen_color);
+		pi.pain.line(l, a, l + 3, a, pen_color);
+		pi.pain.line(r - 3, a, r, a, pen_color);
+	}
+}
+
+} // namespace
+
+
 MathRow::MathRow(MetricsInfo & mi, MathData const * ar)
 {
 	// First there is a dummy element of type "open"
@@ -90,16 +194,15 @@ MathRow::MathRow(MetricsInfo & mi, MathData const * ar)
 		}
 
 		// finally reserve space for markers
-		if (bef.marker != Inset::NO_MARKER)
-			bef.after = max(bef.after, 1);
-		if (e.mclass != MC_UNKNOWN && e.marker != Inset::NO_MARKER)
-			e.before = max(e.before, 1);
+		bef.after = max(bef.after, markerMargin(bef));
+		if (e.mclass != MC_UNKNOWN)
+			e.before = max(e.before, markerMargin(e));
 		// for linearized insets (macros...) too
-		if (e.type == BEGIN && e.marker != Inset::NO_MARKER)
-			bef.after = max(bef.after, 1);
-		if (e.type == END && e.marker != Inset::NO_MARKER) {
+		if (e.type == BEGIN)
+			bef.after = max(bef.after, markerMargin(e));
+		if (e.type == END && e.marker != marker_type::NO_MARKER) {
 			Element & aft = elements_[after(i)];
-			aft.before = max(aft.before, 1);
+			aft.before = max(aft.before, markerMargin(e));
 		}
 	}
 
@@ -131,37 +234,15 @@ int MathRow::after(int i) const
 }
 
 
-namespace {
-
-void metricsMarkersVertical(MetricsInfo const & , MathRow::Element const & e,
-                            Dimension & dim)
+void MathRow::metrics(MetricsInfo & mi, Dimension & dim)
 {
-	// handle vertical space for markers
-	switch(e.marker) {
-	case InsetMath::NO_MARKER:
-		break;
-	case InsetMath::MARKER:
-		++dim.des;
-		break;
-	case InsetMath::MARKER2:
-		++dim.asc;
-		++dim.des;
-	}
-}
-
-}
-
-
-void MathRow::metrics(MetricsInfo & mi, Dimension & dim) const
-{
-	dim.asc = 0;
 	dim.wid = 0;
 	// In order to compute the dimension of macros and their
 	// arguments, it is necessary to keep track of them.
 	vector<pair<InsetMath const *, Dimension>> dim_insets;
 	vector<pair<MathData const *, Dimension>> dim_arrays;
 	CoordCache & coords = mi.base.bv->coordCache();
-	for (Element const & e : elements_) {
+	for (Element & e : elements_) {
 		mi.base.macro_nesting = e.macro_nesting;
 		Dimension d;
 		switch (e.type) {
@@ -176,6 +257,7 @@ void MathRow::metrics(MetricsInfo & mi, Dimension & dim) const
 			if (e.inset) {
 				dim_insets.push_back(make_pair(e.inset, Dimension()));
 				dim_insets.back().second.wid += e.before + e.after;
+				d.wid = e.before + e.after;
 				e.inset->beforeMetrics();
 			}
 			if (e.ar)
@@ -185,11 +267,14 @@ void MathRow::metrics(MetricsInfo & mi, Dimension & dim) const
 			if (e.inset) {
 				e.inset->afterMetrics();
 				LATTEST(dim_insets.back().first == e.inset);
-				Dimension & idim = dim_insets.back().second;
-				metricsMarkersVertical(mi, e, idim);
-				idim.wid += e.before + e.after;
-				coords.insets().add(e.inset, idim);
+				d = dim_insets.back().second;
+				afterMetricsMarkers(mi, e, d);
+				d.wid += e.before + e.after;
+				coords.insets().add(e.inset, d);
 				dim_insets.pop_back();
+				// We do not want to count the width again, but the
+				// padding and the vertical dimension are meaningful.
+				d.wid = e.before + e.after;
 			}
 			if (e.ar) {
 				LATTEST(dim_arrays.back().first == e.ar);
@@ -203,7 +288,7 @@ void MathRow::metrics(MetricsInfo & mi, Dimension & dim) const
 				// allow for one pixel before/after the box.
 				d.wid += e.before + e.after + 2;
 			} else {
-				// hide the box, but give it some height
+				// hide the box, but keep its height
 				d.wid = 0;
 			}
 			break;
@@ -228,43 +313,6 @@ void MathRow::metrics(MetricsInfo & mi, Dimension & dim) const
 }
 
 
-namespace {
-
-void drawMarkers(PainterInfo const & pi, MathRow::Element const & e, int const x, int const y)
-{
-	if (e.marker == InsetMath::NO_MARKER)
-		return;
-
-	CoordCache const & coords = pi.base.bv->coordCache();
-	Dimension const dim = coords.getInsets().dim(e.inset);
-
-	// the marker is before/after the inset. Normally some space has been reserved already.
-	int const l = x + e.before - 1;
-	int const r = x + dim.width() - e.after;
-
-	// Duplicated from Inset.cpp and adapted. It is believed that the
-	// Inset version should die eventually
-	ColorCode pen_color = e.inset->mouseHovered(pi.base.bv) || e.inset->editing(pi.base.bv)?
-		Color_mathframe : Color_mathcorners;
-
-	int const d = y + dim.descent();
-	pi.pain.line(l, d - 3, l, d, pen_color);
-	pi.pain.line(r, d - 3, r, d, pen_color);
-	pi.pain.line(l, d, l + 3, d, pen_color);
-	pi.pain.line(r - 3, d, r, d, pen_color);
-
-	if (e.marker == InsetMath::MARKER)
-		return;
-
-	int const a = y - dim.ascent();
-	pi.pain.line(l, a + 3, l, a, pen_color);
-	pi.pain.line(r, a + 3, r, a, pen_color);
-	pi.pain.line(l, a, l + 3, a, pen_color);
-	pi.pain.line(r - 3, a, r, a, pen_color);
-}
-
-}
-
 void MathRow::draw(PainterInfo & pi, int x, int const y) const
 {
 	CoordCache & coords = pi.base.bv->coordCache();
@@ -274,15 +322,16 @@ void MathRow::draw(PainterInfo & pi, int x, int const y) const
 			// This is hackish: the math inset does not know that space
 			// has been added before and after it; we alter its dimension
 			// while it is drawing, because it relies on this value.
-			Dimension const d = coords.insets().dim(e.inset);
-			Dimension d2 = d;
-			d2.wid -= e.before + e.after;
-			coords.insets().add(e.inset, d2);
+			Geometry & g = coords.insets().geometry(e.inset);
+			g.dim.wid -= e.before + e.after;
+			if (pi.pain.develMode() && !e.inset->isBufferValid())
+				pi.pain.fillRectangle(x + e.before, y - g.dim.ascent(),
+				                      g.dim.width(), g.dim.height(), Color_error);
 			e.inset->draw(pi, x + e.before, y);
-			coords.insets().add(e.inset, x, y);
-			coords.insets().add(e.inset, d);
+			g.pos = {x, y};
+			g.dim.wid += e.before + e.after;
 			drawMarkers(pi, e, x, y);
-			x += d.wid;
+			x += g.dim.wid;
 			break;
 		}
 		case BEGIN:
@@ -328,12 +377,14 @@ void MathRow::draw(PainterInfo & pi, int x, int const y) const
 
 		if (!s1.empty()) {
 			f.setColor(Color_inlinecompletion);
-			pi.pain.text(x, y, s1, f);
+			// offset the text by e.after to make sure that the
+			// spacing is after the completion, not before.
+			pi.pain.text(x - e.after, y, s1, f);
 			x += mathed_string_width(f, s1);
 		}
 		if (!s2.empty()) {
 			f.setColor(Color_nonunique_inlinecompletion);
-			pi.pain.text(x, y, s2, f);
+			pi.pain.text(x - e.after, y, s2, f);
 			x += mathed_string_width(f, s2);
 		}
 	}