Add additional text styles (dim, overline, double underline, curvy underline, blink, & blink fast)

src/prompt_toolkit/output/vt100.py

@@ -271,31 +271,46 @@ def __missing__(self, attrs: Attrs) -> str:
             fgcolor,
             bgcolor,
             bold,
+            dim,
             underline,
+            doubleunderline,
+            curvyunderline,
             strike,
             italic,
             blink,
+            blinkfast,
             reverse,
             hidden,
+            overline,
         ) = attrs
         parts: list[str] = []
 
         parts.extend(self._colors_to_code(fgcolor or "", bgcolor or ""))
 
         if bold:
             parts.append("1")
+        if dim:
+            parts.append("2")
         if italic:
             parts.append("3")
-        if blink:
-            parts.append("5")
         if underline:
             parts.append("4")
+        if doubleunderline:
+            parts.append("4:2")
+        if curvyunderline:
+            parts.append("4:3")
+        if blink:
+            parts.append("5")
+        if blinkfast:
+            parts.append("6")
         if reverse:
             parts.append("7")
         if hidden:
             parts.append("8")
         if strike:
             parts.append("9")
+        if overline:
+            parts.append("53")
 
         if parts:
             result = "\x1b[0;" + ";".join(parts) + "m"

src/prompt_toolkit/styles/base.py

@@ -23,37 +23,52 @@ class Attrs(NamedTuple):
     color: str | None
     bgcolor: str | None
     bold: bool | None
+    dim: bool | None
     underline: bool | None
+    doubleunderline: bool | None
+    curvyunderline: bool | None
     strike: bool | None
     italic: bool | None
     blink: bool | None
+    blinkfast: bool | None
     reverse: bool | None
     hidden: bool | None
+    overline: bool | None
 
 
 """
 :param color: Hexadecimal string. E.g. '000000' or Ansi color name: e.g. 'ansiblue'
 :param bgcolor: Hexadecimal string. E.g. 'ffffff' or Ansi color name: e.g. 'ansired'
 :param bold: Boolean
+:param dim: Boolean
 :param underline: Boolean
+:param doubleunderline: Boolean
+:param curvyunderline: Boolean
 :param strike: Boolean
 :param italic: Boolean
 :param blink: Boolean
+:param blinkfast: Boolean
 :param reverse: Boolean
 :param hidden: Boolean
+:param overline: Boolean
 """
 
 #: The default `Attrs`.
 DEFAULT_ATTRS = Attrs(
     color="",
     bgcolor="",
     bold=False,
+    dim=False,
     underline=False,
+    doubleunderline=False,
+    curvyunderline=False,
     strike=False,
     italic=False,
     blink=False,
+    blinkfast=False,
     reverse=False,
     hidden=False,
+    overline=False,
 )
 
 

src/prompt_toolkit/styles/style.py

@@ -82,12 +82,17 @@ def parse_color(text: str) -> str:
     color=None,
     bgcolor=None,
     bold=None,
+    dim=None,
     underline=None,
+    doubleunderline=None,
+    curvyunderline=None,
     strike=None,
     italic=None,
     blink=None,
+    blinkfast=None,
     reverse=None,
     hidden=None,
+    overline=None,
 )
 
 
@@ -143,6 +148,10 @@ def _parse_style_str(style_str: str) -> Attrs:
             attrs = attrs._replace(blink=True)
         elif part == "noblink":
             attrs = attrs._replace(blink=False)
+        elif part == "blinkfast":
+            attrs = attrs._replace(blinkfast=True)
+        elif part == "noblinkfast":
+            attrs = attrs._replace(blinkfast=False)
         elif part == "reverse":
             attrs = attrs._replace(reverse=True)
         elif part == "noreverse":
@@ -151,6 +160,22 @@ def _parse_style_str(style_str: str) -> Attrs:
             attrs = attrs._replace(hidden=True)
         elif part == "nohidden":
             attrs = attrs._replace(hidden=False)
+        elif part == "dim":
+            attrs = attrs._replace(dim=True)
+        elif part == "nodim":
+            attrs = attrs._replace(dim=False)
+        elif part == "doubleunderline":
+            attrs = attrs._replace(doubleunderline=True)
+        elif part == "nodoubleunderline":
+            attrs = attrs._replace(doubleunderline=False)
+        elif part == "curvyunderline":
+            attrs = attrs._replace(curvyunderline=True)
+        elif part == "nocurvyunderline":
+            attrs = attrs._replace(curvyunderline=False)
+        elif part == "overline":
+            attrs = attrs._replace(overline=True)
+        elif part == "nooverline":
+            attrs = attrs._replace(overline=False)
 
         # Pygments properties that we ignore.
         elif part in ("roman", "sans", "mono"):
@@ -339,12 +364,17 @@ def _or(*values: _T) -> _T:
         color=_or("", *[a.color for a in list_of_attrs]),
         bgcolor=_or("", *[a.bgcolor for a in list_of_attrs]),
         bold=_or(False, *[a.bold for a in list_of_attrs]),
+        dim=_or(False, *[a.dim for a in list_of_attrs]),
         underline=_or(False, *[a.underline for a in list_of_attrs]),
+        doubleunderline=_or(False, *[a.doubleunderline for a in list_of_attrs]),
+        curvyunderline=_or(False, *[a.curvyunderline for a in list_of_attrs]),
         strike=_or(False, *[a.strike for a in list_of_attrs]),
         italic=_or(False, *[a.italic for a in list_of_attrs]),
         blink=_or(False, *[a.blink for a in list_of_attrs]),
+        blinkfast=_or(False, *[a.blinkfast for a in list_of_attrs]),
         reverse=_or(False, *[a.reverse for a in list_of_attrs]),
         hidden=_or(False, *[a.hidden for a in list_of_attrs]),
+        overline=_or(False, *[a.overline for a in list_of_attrs]),
     )