Center correctly top labels like Abstract.

[lyx.git] / src / MetricsInfo.cpp

diff --git a/src/MetricsInfo.cpp b/src/MetricsInfo.cpp
index b61011d63dee95245ae8dff328f6469f358753b7..e7de5d0ea5d7973c729e7a385a39cea28980ced3 100644 (file)
--- a/src/MetricsInfo.cpp
+++ b/src/MetricsInfo.cpp
@@ -19,6 +19,7 @@
 
 #include "mathed/MathSupport.h"
 
+#include "frontends/FontMetrics.h"
 #include "frontends/Painter.h"
 
 #include "support/docstring.h"
@@ -73,7 +74,11 @@ Changer MetricsBase::changeFontSet(string const & name)
            && ((isTextFont(oldname) && oldcolor != Color_foreground)
                || (isMathFont(oldname) && oldcolor != Color_math)))
                font.setColor(oldcolor);
+#if __cplusplus >= 201402L
+       return rc;
+#else
        return move(rc);
+#endif
 }
 
 
@@ -94,6 +99,19 @@ Changer MetricsBase::changeEnsureMath(Inset::mode_type mode)
 }
 
 
+int MetricsBase::inPixels(Length const & len) const
+{
+       FontInfo fi = font;
+       if (len.unit() == Length::MU)
+               // mu is 1/18th of an em in the math symbol font
+               fi.setFamily(SYMBOL_FAMILY);
+       else
+               // Math style is only taken into account in the case of mu
+               fi.setStyle(TEXT_STYLE);
+       return len.inPixels(textwidth, theFontMetrics(fi).em());
+}
+
+
 /////////////////////////////////////////////////////////////////////////
 //
 // MetricsInfo
@@ -113,8 +131,9 @@ MetricsInfo::MetricsInfo(BufferView * bv, FontInfo font, int textwidth,
 /////////////////////////////////////////////////////////////////////////
 
 PainterInfo::PainterInfo(BufferView * bv, lyx::frontend::Painter & painter)
-       : pain(painter), ltr_pos(false), change_(), selected(false),
-       do_spellcheck(true), full_repaint(true), background_color(Color_background)
+       : pain(painter), ltr_pos(false), change(), selected(false),
+         do_spellcheck(true), full_repaint(true), background_color(Color_background),
+         leftx(0), rightx(0)
 {
        base.bv = bv;
 }
@@ -134,31 +153,35 @@ void PainterInfo::draw(int x, int y, docstring const & str)
 
 ColorCode PainterInfo::backgroundColor(Inset const * inset, bool sel) const
 {
-       ColorCode const color_bg = inset->backgroundColor(*this);
-
        if (selected && sel)
                // This inset is in a selection
                return Color_selection;
-       else {
+
+       // special handling for inset background
+       if (inset != nullptr) {
+               if (pain.develMode() && !inset->isBufferValid())
+                       // This inset is in error
+                       return Color_error;
+
+               ColorCode const color_bg = inset->backgroundColor(*this);
                if (color_bg != Color_none)
                        // This inset has its own color
                        return color_bg;
-               else {
-                       if (background_color == Color_none)
-                               // This inset has no own color and does not inherit a color
-                               return Color_background;
-                       else
-                               // This inset has no own color, but inherits a color
-                               return background_color;
-               }
        }
+
+       if (background_color == Color_none)
+               // This inset has no own color and does not inherit a color
+               return Color_background;
+
+       // This inset has no own color, but inherits a color
+       return background_color;
 }
 
 
 Color PainterInfo::textColor(Color const & color) const
 {
-       if (change_.changed()) 
-               return change_.color();
+       if (change.changed())
+               return change.color();
        if (selected)
                return Color_selectiontext;
        return color;
@@ -168,12 +191,15 @@ Color PainterInfo::textColor(Color const & color) const
 Changer MetricsBase::changeScript()
 {
        switch (font.style()) {
-       case LM_ST_DISPLAY:
-       case LM_ST_TEXT:
-               return font.changeStyle(LM_ST_SCRIPT);
-       case LM_ST_SCRIPT:
-       case LM_ST_SCRIPTSCRIPT:
-               return font.changeStyle(LM_ST_SCRIPTSCRIPT);
+       case DISPLAY_STYLE:
+       case TEXT_STYLE:
+               return font.changeStyle(SCRIPT_STYLE);
+       case SCRIPT_STYLE:
+       case SCRIPTSCRIPT_STYLE:
+               return font.changeStyle(SCRIPTSCRIPT_STYLE);
+       case INHERIT_STYLE:
+       case IGNORE_STYLE:
+               return Changer();
        }
        //remove Warning
        return Changer();
@@ -183,22 +209,27 @@ Changer MetricsBase::changeScript()
 Changer MetricsBase::changeFrac()
 {
        switch (font.style()) {
-       case LM_ST_DISPLAY:
-               return font.changeStyle(LM_ST_TEXT);
-       case LM_ST_TEXT:
-               return font.changeStyle(LM_ST_SCRIPT);
-       case LM_ST_SCRIPT:
-       case LM_ST_SCRIPTSCRIPT:
-               return font.changeStyle(LM_ST_SCRIPTSCRIPT);
+       case DISPLAY_STYLE:
+               return font.changeStyle(TEXT_STYLE);
+       case TEXT_STYLE:
+               return font.changeStyle(SCRIPT_STYLE);
+       case SCRIPT_STYLE:
+       case SCRIPTSCRIPT_STYLE:
+               return font.changeStyle(SCRIPTSCRIPT_STYLE);
+       case INHERIT_STYLE:
+       case IGNORE_STYLE:
+               return Changer();
        }
        //remove Warning
        return Changer();
 }
 
 
-Changer MetricsBase::changeArray()
+Changer MetricsBase::changeArray(bool small)
 {
-       return (font.style() == LM_ST_DISPLAY) ? font.changeStyle(LM_ST_TEXT)
+       if (small)
+               return font.changeStyle(SCRIPT_STYLE);
+       return (font.style() == DISPLAY_STYLE) ? font.changeStyle(TEXT_STYLE)
                : Changer();
 }