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"
15 #include "MetricsInfo.h"
17 #include "insets/Inset.h"
19 #include "mathed/MathSupport.h"
21 #include "frontends/Painter.h"
23 #include "support/docstring.h"
24 #include "support/lassert.h"
31 /////////////////////////////////////////////////////////////////////////
35 /////////////////////////////////////////////////////////////////////////
37 MetricsBase::MetricsBase()
38 : bv(0), font(), style(LM_ST_TEXT), fontname("mathnormal"),
43 MetricsBase::MetricsBase(BufferView * b, FontInfo const & f, int w)
44 : bv(b), font(f), style(LM_ST_TEXT), fontname("mathnormal"),
49 /////////////////////////////////////////////////////////////////////////
53 /////////////////////////////////////////////////////////////////////////
55 MetricsInfo::MetricsInfo(BufferView * bv, FontInfo const & font, int textwidth,
56 MacroContext const & mc)
57 : base(bv, font, textwidth), macrocontext(mc)
61 /////////////////////////////////////////////////////////////////////////
65 /////////////////////////////////////////////////////////////////////////
67 PainterInfo::PainterInfo(BufferView * bv, lyx::frontend::Painter & painter)
68 : pain(painter), ltr_pos(false), change_(), selected(false),
69 full_repaint(true), background_color(Color_background)
75 void PainterInfo::draw(int x, int y, char_type c)
77 pain.text(x, y, c, base.font);
81 void PainterInfo::draw(int x, int y, docstring const & str)
83 pain.text(x, y, str, base.font);
87 ColorCode PainterInfo::backgroundColor(Inset const * inset, bool sel) const
89 ColorCode const color_bg = inset->backgroundColor(*this);
92 // This inset is in a selection
93 return Color_selection;
95 if (color_bg != Color_none)
96 // This inset has its own color
99 if (background_color == Color_none)
100 // This inset has no own color and does not inherit a color
101 return Color_background;
103 // This inset has no own color, but inherits a color
104 return background_color;
110 /////////////////////////////////////////////////////////////////////////
114 /////////////////////////////////////////////////////////////////////////
116 Styles smallerScriptStyle(Styles st)
123 case LM_ST_SCRIPTSCRIPT:
124 default: // shut up compiler
125 return LM_ST_SCRIPTSCRIPT;
130 ScriptChanger::ScriptChanger(MetricsBase & mb)
131 : StyleChanger(mb, smallerScriptStyle(mb.style))
135 /////////////////////////////////////////////////////////////////////////
139 /////////////////////////////////////////////////////////////////////////
141 Styles smallerFracStyle(Styles st)
149 case LM_ST_SCRIPTSCRIPT:
150 default: // shut up compiler
151 return LM_ST_SCRIPTSCRIPT;
156 FracChanger::FracChanger(MetricsBase & mb)
157 : StyleChanger(mb, smallerFracStyle(mb.style))
161 /////////////////////////////////////////////////////////////////////////
165 /////////////////////////////////////////////////////////////////////////
167 ArrayChanger::ArrayChanger(MetricsBase & mb)
168 : StyleChanger(mb, mb.style == LM_ST_DISPLAY ? LM_ST_TEXT : mb.style)
172 /////////////////////////////////////////////////////////////////////////
176 /////////////////////////////////////////////////////////////////////////
178 ShapeChanger::ShapeChanger(FontInfo & font, FontShape shape)
179 : Changer<FontInfo, FontShape>(font)
181 save_ = orig_.shape();
182 orig_.setShape(shape);
186 ShapeChanger::~ShapeChanger()
188 orig_.setShape(save_);
192 /////////////////////////////////////////////////////////////////////////
196 /////////////////////////////////////////////////////////////////////////
198 StyleChanger::StyleChanger(MetricsBase & mb, Styles style)
199 : Changer<MetricsBase>(mb)
201 static const int diff[4][4] =
207 int t = diff[mb.style][style];
218 StyleChanger::~StyleChanger()
224 /////////////////////////////////////////////////////////////////////////
228 /////////////////////////////////////////////////////////////////////////
230 FontSetChanger::FontSetChanger(MetricsBase & mb, char const * name,
231 bool really_change_font)
232 : Changer<MetricsBase>(mb), change_(really_change_font)
236 FontSize oldsize = save_.font.size();
237 ColorCode oldcolor = save_.font.color();
238 docstring const oldname = from_ascii(save_.fontname);
241 augmentFont(mb.font, from_ascii(name));
242 mb.font.setSize(oldsize);
243 if (string(name) != "lyxtex"
244 && ((isTextFont(oldname) && oldcolor != Color_foreground)
245 || (isMathFont(oldname) && oldcolor != Color_math)))
246 mb.font.setColor(oldcolor);
251 FontSetChanger::FontSetChanger(MetricsBase & mb, docstring const & name,
252 bool really_change_font)
253 : Changer<MetricsBase>(mb), change_(really_change_font)
257 FontSize oldsize = save_.font.size();
258 ColorCode oldcolor = save_.font.color();
259 docstring const oldname = from_ascii(save_.fontname);
260 mb.fontname = to_utf8(name);
262 augmentFont(mb.font, name);
263 mb.font.setSize(oldsize);
265 && ((isTextFont(oldname) && oldcolor != Color_foreground)
266 || (isMathFont(oldname) && oldcolor != Color_math)))
267 mb.font.setColor(oldcolor);
272 FontSetChanger::~FontSetChanger()
279 /////////////////////////////////////////////////////////////////////////
283 /////////////////////////////////////////////////////////////////////////
285 WidthChanger::WidthChanger(MetricsBase & mb, int w)
286 : Changer<MetricsBase>(mb)
293 WidthChanger::~WidthChanger()
299 /////////////////////////////////////////////////////////////////////////
303 /////////////////////////////////////////////////////////////////////////
305 ColorChanger::ColorChanger(FontInfo & font, docstring const & color,
306 bool really_change_color)
307 : Changer<FontInfo, ColorCode>(font), change_(really_change_color)
310 save_ = font.color();
311 font.setColor(lcolor.getFromLyXName(to_utf8(color)));
316 ColorChanger::~ColorChanger()
319 orig_.setColor(save_);