2 * \file MetricsInfo.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "BufferView.h"
16 #include "MetricsInfo.h"
18 #include "insets/Inset.h"
20 #include "mathed/MathSupport.h"
22 #include "frontends/Painter.h"
24 #include "support/docstring.h"
25 #include "support/lassert.h"
26 #include "support/RefChanger.h"
33 /////////////////////////////////////////////////////////////////////////
37 /////////////////////////////////////////////////////////////////////////
39 MetricsBase::MetricsBase(BufferView * b, FontInfo f, int w)
40 : bv(b), font(move(f)), style(LM_ST_TEXT), fontname("mathnormal"),
41 textwidth(w), solid_line_thickness_(1), solid_line_offset_(1),
42 dotted_line_thickness_(1)
44 if (lyxrc.zoom >= 200) {
45 // derive the line thickness from zoom factor
46 // the zoom is given in percent
47 // (increase thickness at 250%, 450% etc.)
48 solid_line_thickness_ = (lyxrc.zoom + 150) / 200;
49 // adjust line_offset_ too
50 solid_line_offset_ = 1 + solid_line_thickness_ / 2;
52 if (lyxrc.zoom >= 100) {
53 // derive the line thickness from zoom factor
54 // the zoom is given in percent
55 // (increase thickness at 150%, 250% etc.)
56 dotted_line_thickness_ = (lyxrc.zoom + 50) / 100;
61 Changer MetricsBase::changeFontSet(string const & name, bool cond)
63 RefChanger<MetricsBase> rc = make_save(*this);
67 ColorCode oldcolor = font.color();
68 string const oldname = fontname;
71 augmentFont(font, name);
72 font.setSize(rc->old.font.size());
74 && ((isTextFont(oldname) && oldcolor != Color_foreground)
75 || (isMathFont(oldname) && oldcolor != Color_math)))
76 font.setColor(oldcolor);
82 /////////////////////////////////////////////////////////////////////////
86 /////////////////////////////////////////////////////////////////////////
88 MetricsInfo::MetricsInfo(BufferView * bv, FontInfo font, int textwidth,
89 MacroContext const & mc)
90 : base(bv, font, textwidth), macrocontext(mc)
94 /////////////////////////////////////////////////////////////////////////
98 /////////////////////////////////////////////////////////////////////////
100 PainterInfo::PainterInfo(BufferView * bv, lyx::frontend::Painter & painter)
101 : pain(painter), ltr_pos(false), change_(), selected(false),
102 do_spellcheck(true), full_repaint(true), background_color(Color_background)
108 void PainterInfo::draw(int x, int y, char_type c)
110 pain.text(x, y, c, base.font);
114 void PainterInfo::draw(int x, int y, docstring const & str)
116 pain.text(x, y, str, base.font);
120 ColorCode PainterInfo::backgroundColor(Inset const * inset, bool sel) const
122 ColorCode const color_bg = inset->backgroundColor(*this);
125 // This inset is in a selection
126 return Color_selection;
128 if (color_bg != Color_none)
129 // This inset has its own color
132 if (background_color == Color_none)
133 // This inset has no own color and does not inherit a color
134 return Color_background;
136 // This inset has no own color, but inherits a color
137 return background_color;
143 Color PainterInfo::textColor(Color const & color) const
145 if (change_.changed())
146 return change_.color();
148 return Color_selectiontext;
153 Changer MetricsBase::changeScript(bool cond)
158 return changeStyle(LM_ST_SCRIPT, cond);
160 case LM_ST_SCRIPTSCRIPT:
161 return changeStyle(LM_ST_SCRIPTSCRIPT, cond);
164 LASSERT(false, return Changer());
168 Changer MetricsBase::changeFrac(bool cond)
172 return changeStyle(LM_ST_TEXT, cond);
174 return changeStyle(LM_ST_SCRIPT, cond);
176 case LM_ST_SCRIPTSCRIPT:
177 return changeStyle(LM_ST_SCRIPTSCRIPT, cond);
184 Changer MetricsBase::changeStyle(Styles new_style, bool cond)
186 static const int diff[4][4] =
191 int t = diff[style][new_style];
192 RefChanger<MetricsBase> rc = make_save(*this);