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src: Support strikethrough faces

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This commit is contained in:
Jason Felice 2020-11-02 14:55:15 -05:00 committed by Maxime Coste
parent cbd0dc571b
commit 5d497dc46e
5 changed files with 18 additions and 13 deletions
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2
doc/pages/faces.asciidoc
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@ -40,6 +40,8 @@ following format:
dim dim
*i*::: *i*:::
italic italic
*s*:::
strikethrough
*F*::: *F*:::
final, override the previous face instead of merging with it, final, override the previous face instead of merging with it,
and this face will only be replaced if another face with and this face will only be replaced if another face with

7
src/face.hh
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@ -16,9 +16,10 @@ enum class Attribute : int
Bold = 1 << 4, Bold = 1 << 4,
Dim = 1 << 5, Dim = 1 << 5,
Italic = 1 << 6, Italic = 1 << 6,
FinalFg = 1 << 7, Strikethrough = 1 << 7,
FinalBg = 1 << 8, FinalFg = 1 << 8,
FinalAttr = 1 << 9, FinalBg = 1 << 9,
FinalAttr = 1 << 10,
Final = FinalFg | FinalBg | FinalAttr Final = FinalFg | FinalBg | FinalAttr
}; };

1
src/face_registry.cc
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@ -43,6 +43,7 @@ static FaceRegistry::FaceSpec parse_face(StringView facedesc)
case 'B': face.attributes |= Attribute::Blink; break; case 'B': face.attributes |= Attribute::Blink; break;
case 'd': face.attributes |= Attribute::Dim; break; case 'd': face.attributes |= Attribute::Dim; break;
case 'i': face.attributes |= Attribute::Italic; break; case 'i': face.attributes |= Attribute::Italic; break;
case 's': face.attributes |= Attribute::Strikethrough; break;
case 'f': face.attributes |= Attribute::FinalFg; break; case 'f': face.attributes |= Attribute::FinalFg; break;
case 'g': face.attributes |= Attribute::FinalBg; break; case 'g': face.attributes |= Attribute::FinalBg; break;
case 'a': face.attributes |= Attribute::FinalAttr; break; case 'a': face.attributes |= Attribute::FinalAttr; break;

1
src/json_ui.cc
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@ -46,6 +46,7 @@ String to_json(Attribute attributes)
{ Attribute::FinalFg, "final_fg" }, { Attribute::FinalFg, "final_fg" },
{ Attribute::FinalBg, "final_bg" }, { Attribute::FinalBg, "final_bg" },
{ Attribute::FinalAttr, "final_attr" }, { Attribute::FinalAttr, "final_attr" },
{ Attribute::Strikethrough, "strikethrough" },
}; };
return "[" + join(attrs | return "[" + join(attrs |

4
src/terminal_ui.cc
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@ -183,7 +183,7 @@ void TerminalUI::Screen::set_face(const Face& face)
{ {
static constexpr int fg_table[]{ 39, 30, 31, 32, 33, 34, 35, 36, 37, 90, 91, 92, 93, 94, 95, 96, 97 }; static constexpr int fg_table[]{ 39, 30, 31, 32, 33, 34, 35, 36, 37, 90, 91, 92, 93, 94, 95, 96, 97 };
static constexpr int bg_table[]{ 49, 40, 41, 42, 43, 44, 45, 46, 47, 100, 101, 102, 103, 104, 105, 106, 107 }; static constexpr int bg_table[]{ 49, 40, 41, 42, 43, 44, 45, 46, 47, 100, 101, 102, 103, 104, 105, 106, 107 };
static constexpr int attr_table[]{ 0, 4, 7, 5, 1, 2, 3 }; static constexpr int attr_table[]{ 0, 4, 7, 5, 1, 2, 3, 9 };
auto set_color = [](bool fg, const Color& color, bool join) { auto set_color = [](bool fg, const Color& color, bool join) {
if (join) if (join)
@ -201,7 +201,7 @@ void TerminalUI::Screen::set_face(const Face& face)
bool join = false; bool join = false;
if (face.attributes != m_active_face.attributes) if (face.attributes != m_active_face.attributes)
{ {
for (int i = 0; i < sizeof(attr_table) / sizeof(int); ++i) for (int i = 0; i < std::size(attr_table); ++i)
{ {
if (face.attributes & (Attribute)(1 << i)) if (face.attributes & (Attribute)(1 << i))
printf(";%d", attr_table[i]); printf(";%d", attr_table[i]);