* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author André Pönitz
+ * \author André Pönitz
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
-#include "BufferView.h"
-#include "Color.h"
#include "MetricsInfo.h"
+#include "LyXRC.h"
+
+#include "insets/Inset.h"
+
#include "mathed/MathSupport.h"
+#include "frontends/FontMetrics.h"
#include "frontends/Painter.h"
-#include <boost/assert.hpp>
+using namespace std;
namespace lyx {
-using std::string;
-
-
-MetricsBase::MetricsBase()
- : bv(0), font(), style(LM_ST_TEXT), fontname("mathnormal"),
- textwidth(0)
-{}
+/////////////////////////////////////////////////////////////////////////
+//
+// MetricsBase
+//
+/////////////////////////////////////////////////////////////////////////
+
+MetricsBase::MetricsBase(BufferView * b, FontInfo f, int w)
+ : bv(b), font(std::move(f)), fontname("mathnormal"),
+ textwidth(w), macro_nesting(0),
+ solid_line_thickness_(1), solid_line_offset_(1), dotted_line_thickness_(1)
+{
+ if (lyxrc.currentZoom >= 200) {
+ // derive the line thickness from zoom factor
+ // the zoom is given in percent
+ // (increase thickness at 250%, 450% etc.)
+ solid_line_thickness_ = (lyxrc.currentZoom + 150) / 200;
+ // adjust line_offset_ too
+ solid_line_offset_ = 1 + solid_line_thickness_ / 2;
+ }
+ if (lyxrc.currentZoom >= 100) {
+ // derive the line thickness from zoom factor
+ // the zoom is given in percent
+ // (increase thickness at 150%, 250% etc.)
+ dotted_line_thickness_ = (lyxrc.currentZoom + 50) / 100;
+ }
+}
-MetricsBase::MetricsBase(BufferView * b, FontInfo const & f, int w)
- : bv(b), font(f), style(LM_ST_TEXT), fontname("mathnormal"),
- textwidth(w)
-{}
+Changer MetricsBase::changeFontSet(string const & name)
+{
+ RefChanger<MetricsBase> rc = make_save(*this);
+ ColorCode oldcolor = font.color();
+ string const oldname = fontname;
+ fontname = name;
+ if (isMathFont(name) || isMathFont(oldname))
+ font = sane_font;
+ augmentFont(font, name);
+ font.setSize(rc->old.font.size());
+ font.setStyle(rc->old.font.style());
+ if (name == "emph") {
+ font.setColor(oldcolor);
+ if (rc->old.font.shape() != UP_SHAPE)
+ font.setShape(UP_SHAPE);
+ else
+ font.setShape(ITALIC_SHAPE);
+ } else if (name != "lyxtex"
+ && ((isTextFont(oldname) && oldcolor != Color_foreground)
+ || (isMathFont(oldname) && oldcolor != Color_math)))
+ font.setColor(oldcolor);
+#if __cplusplus >= 201402L
+ return rc;
+#else
+ /** In theory, this is not needed with C++11, and modern compilers
+ * will complain in C++11 mode, but gcc 4.9 requires this. */
+ return std::move(rc);
+#endif
+}
+
+
+Changer MetricsBase::changeEnsureMath(Inset::mode_type mode)
+{
+ switch (mode) {
+ case Inset::UNDECIDED_MODE:
+ return noChange();
+ case Inset::TEXT_MODE:
+ return isMathFont(fontname) ? changeFontSet("textnormal") : noChange();
+ case Inset::MATH_MODE:
+ // FIXME:
+ // \textit{\ensuremath{\text{a}}}
+ // should appear in italics
+ return isTextFont(fontname) ? changeFontSet("mathnormal"): noChange();
+ }
+ return noChange();
+}
+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::MetricsInfo()
-{}
+/////////////////////////////////////////////////////////////////////////
+//
+// MetricsInfo
+//
+/////////////////////////////////////////////////////////////////////////
-MetricsInfo::MetricsInfo(BufferView * bv, FontInfo const & font, int textwidth)
- : base(bv, font, textwidth)
+MetricsInfo::MetricsInfo(BufferView * bv, FontInfo font, int textwidth,
+ MacroContext const & mc, bool vm, bool tight)
+ : base(bv, font, textwidth), macrocontext(mc), vmode(vm), tight_insets(tight),
+ extrawidth(0)
{}
+/////////////////////////////////////////////////////////////////////////
+//
+// PainterInfo
+//
+/////////////////////////////////////////////////////////////////////////
PainterInfo::PainterInfo(BufferView * bv, lyx::frontend::Painter & painter)
- : pain(painter), ltr_pos(false), erased_(false), full_repaint(true),
- background_color(Color_background)
+ : pain(painter), ltr_pos(false), change(),
+ selected(false), selected_left(false), selected_right(false),
+ do_spellcheck(true), full_repaint(true), background_color(Color_background),
+ leftx(0), rightx(0)
{
base.bv = bv;
}
}
-Styles smallerScriptStyle(Styles st)
+ColorCode PainterInfo::backgroundColor(Inset const * inset, bool sel) const
{
- switch (st) {
- case LM_ST_DISPLAY:
- case LM_ST_TEXT:
- return LM_ST_SCRIPT;
- case LM_ST_SCRIPT:
- case LM_ST_SCRIPTSCRIPT:
- default: // shut up compiler
- return LM_ST_SCRIPTSCRIPT;
- }
-}
-
-ScriptChanger::ScriptChanger(MetricsBase & mb)
- : StyleChanger(mb, smallerScriptStyle(mb.style))
-{}
-
+ if (selected && sel)
+ // This inset is in a selection
+ return Color_selection;
+ // special handling for inset background
+ if (inset != nullptr) {
+ if (pain.develMode() && !inset->isBufferValid())
+ // This inset is in error
+ return Color_error;
-Styles smallerFracStyle(Styles st)
-{
- switch (st) {
- case LM_ST_DISPLAY:
- return LM_ST_TEXT;
- case LM_ST_TEXT:
- return LM_ST_SCRIPT;
- case LM_ST_SCRIPT:
- case LM_ST_SCRIPTSCRIPT:
- default: // shut up compiler
- return LM_ST_SCRIPTSCRIPT;
+ ColorCode const color_bg = inset->backgroundColor(*this);
+ if (color_bg != Color_none)
+ // This inset has its own color
+ return color_bg;
}
-}
-
-
-FracChanger::FracChanger(MetricsBase & mb)
- : StyleChanger(mb, smallerFracStyle(mb.style))
-{}
-
-
-
-ArrayChanger::ArrayChanger(MetricsBase & mb)
- : StyleChanger(mb, mb.style == LM_ST_DISPLAY ? LM_ST_TEXT : mb.style)
-{}
-
-
-
-ShapeChanger::ShapeChanger(FontInfo & font, FontShape shape)
- : Changer<FontInfo, FontShape>(font)
-{
- save_ = orig_.shape();
- orig_.setShape(shape);
-}
-
-
-ShapeChanger::~ShapeChanger()
-{
- orig_.setShape(save_);
-}
-
+ if (background_color == Color_none)
+ // This inset has no own color and does not inherit a color
+ return Color_background;
-StyleChanger::StyleChanger(MetricsBase & mb, Styles style)
- : Changer<MetricsBase>(mb)
-{
- static const int diff[4][4] =
- { { 0, 0, -3, -5 },
- { 0, 0, -3, -5 },
- { 3, 3, 0, -2 },
- { 5, 5, 2, 0 } };
- save_ = mb;
- int t = diff[mb.style][style];
- if (t > 0)
- while (t--)
- mb.font.incSize();
- else
- while (t++)
- mb.font.decSize();
- mb.style = style;
-}
-
-
-StyleChanger::~StyleChanger()
-{
- orig_ = save_;
+ // This inset has no own color, but inherits a color
+ return background_color;
}
-
-FontSetChanger::FontSetChanger(MetricsBase & mb, char const * name)
- : Changer<MetricsBase>(mb)
+Color PainterInfo::textColor(Color const & color) const
{
- save_ = mb;
- FontSize oldsize = save_.font.size();
- mb.fontname = name;
- mb.font = sane_font;
- augmentFont(mb.font, from_ascii(name));
- mb.font.setSize(oldsize);
+ if (change.changed())
+ return change.color();
+ if (selected)
+ return Color_selectiontext;
+ return color;
}
-FontSetChanger::FontSetChanger(MetricsBase & mb, docstring const & name)
- : Changer<MetricsBase>(mb)
+Changer MetricsBase::changeScript()
{
- save_ = mb;
- FontSize oldsize = save_.font.size();
- mb.fontname = to_utf8(name);
- mb.font = sane_font;
- augmentFont(mb.font, name);
- mb.font.setSize(oldsize);
-}
-
-
-FontSetChanger::~FontSetChanger()
-{
- orig_ = save_;
-}
-
-
-WidthChanger::WidthChanger(MetricsBase & mb, int w)
- : Changer<MetricsBase>(mb)
-{
- save_ = mb;
- mb.textwidth = w;
-}
-
-
-WidthChanger::~WidthChanger()
-{
- orig_ = save_;
+ switch (font.style()) {
+ 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 noChange();
+ }
+ //remove Warning
+ return noChange();
}
-
-
-ColorChanger::ColorChanger(FontInfo & font, string const & color)
- : Changer<FontInfo, string>(font)
+Changer MetricsBase::changeFrac()
{
- save_ = lcolor.getFromLyXName(color);
- font.setColor(lcolor.getFromLyXName(color));
+ switch (font.style()) {
+ 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 noChange();
+ }
+ //remove Warning
+ return noChange();
}
-ColorChanger::~ColorChanger()
+Changer MetricsBase::changeArray(bool small)
{
- orig_.setColor(lcolor.getFromLyXName(save_));
+ if (small)
+ return font.changeStyle(SCRIPT_STYLE);
+ return (font.style() == DISPLAY_STYLE) ? font.changeStyle(TEXT_STYLE)
+ : noChange();
}
projects / lyx.git / blobdiff