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Do not draw inactive math corners when they have mathbg color

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By default, inactive math corners are invisible. In practice they are
annoying because they are visible when selecting text, and they can
also overwrite some parts of the equation.

The code in Inset::drawMarkers2, which is only used for maths, is
moved to InsetMathHull. Moreover, the inactive corners are not drawn
when they have the same color as the math background. A better way to
achieve this would be to set the color to transparent, but we do not
support this yet.

(cherry picked from commit 68614e9783)
This commit is contained in:
Jean-Marc Lasgouttes 2017-12-19 22:32:32 +01:00
parent 92f320ff4a
commit 546a6a2a31
5 changed files with 32 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/insets/Inset.cpp
View File

@ -553,22 +553,6 @@ void Inset::drawMarkers(PainterInfo & pi, int x, int y) const
}
void Inset::drawMarkers2(PainterInfo & pi, int x, int y) const
{
ColorCode pen_color = mouseHovered(pi.base.bv) || editing(pi.base.bv)?
Color_mathframe : Color_mathcorners;
drawMarkers(pi, x, y);
Dimension const dim = dimension(*pi.base.bv);
int const t = x + dim.width() - 1;
int const a = y - dim.ascent();
pi.pain.line(x, a + 3, x, a, pen_color);
pi.pain.line(t, a + 3, t, a, pen_color);
pi.pain.line(x, a, x + 3, a, pen_color);
pi.pain.line(t - 3, a, t, a, pen_color);
}
bool Inset::editing(BufferView const * bv) const
{
return bv->cursor().isInside(this);

4
src/insets/Inset.h
View File

@ -210,9 +210,7 @@ public:
virtual bool showInsetDialog(BufferView *) const;
/// draw two angular markers
void drawMarkers(PainterInfo & pi, int x, int y) const;
/// draw four angular markers
void drawMarkers2(PainterInfo & pi, int x, int y) const;
virtual void drawMarkers(PainterInfo & pi, int x, int y) const;
/// add space for markers
void metricsMarkers(Dimension & dim, int framesize = 1) const;
/// add space for markers

21
src/mathed/InsetMathHull.cpp
View File

@ -599,6 +599,25 @@ ColorCode InsetMathHull::backgroundColor(PainterInfo const & pi) const
}
void InsetMathHull::drawMarkers(PainterInfo & pi, int x, int y) const
{
ColorCode pen_color = mouseHovered(pi.base.bv) || editing(pi.base.bv)?
Color_mathframe : Color_mathcorners;
// If the corners have the same color as the background, do not paint them.
if (lcolor.getX11Name(Color_mathbg) == lcolor.getX11Name(pen_color))
return;
Inset::drawMarkers(pi, x, y);
Dimension const dim = dimension(*pi.base.bv);
int const t = x + dim.width() - 1;
int const a = y - dim.ascent();
pi.pain.line(x, a + 3, x, a, pen_color);
pi.pain.line(t, a + 3, t, a, pen_color);
pi.pain.line(x, a, x + 3, a, pen_color);
pi.pain.line(t - 3, a, t, a, pen_color);
}
void InsetMathHull::drawBackground(PainterInfo & pi, int x, int y) const
{
Dimension const dim = dimension(*pi.base.bv);
@ -659,7 +678,7 @@ void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
}
InsetMathGrid::draw(pi, xmath + 1, y);
drawMarkers2(pi, x, y);
drawMarkers(pi, x, y);
if (numberedType()) {
Changer dummy = pi.base.changeFontSet("mathrm");

2
src/mathed/InsetMathHull.h
View File

@ -260,6 +260,8 @@ private:
bool colChangeOK() const;
/// are any of the equations numbered?
bool haveNumbers() const;
/// draw four angular markers
virtual void drawMarkers(PainterInfo & pi, int x, int y) const;
/// "none", "simple", "display", "eqnarray",...
HullType type_;

14
src/mathed/MathRow.cpp
View File

@ -18,6 +18,7 @@
#include "MathSupport.h"
#include "BufferView.h"
#include "ColorSet.h"
#include "CoordCache.h"
#include "MetricsInfo.h"
@ -97,11 +98,6 @@ void drawMarkers(PainterInfo const & pi, MathRow::Element const & e,
if (e.marker == InsetMath::NO_MARKER)
return;
// The color
bool const highlight = e.inset->mouseHovered(pi.base.bv)
|| e.inset->editing(pi.base.bv);
ColorCode const pen_color = highlight ? Color_mathframe : Color_mathcorners;
CoordCache const & coords = pi.base.bv->coordCache();
Dimension const dim = coords.getInsets().dim(e.inset);
@ -122,6 +118,14 @@ void drawMarkers(PainterInfo const & pi, MathRow::Element const & e,
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.getX11Name(Color_mathbg) == lcolor.getX11Name(pen_color))
return;
// Lower corners in all cases
int const d = y + dim.descent();
pi.pain.line(l, d - 3, l, d, pen_color);