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Feature: strikethrough and underlinedDouble decorator. (#561)

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This resolves:
https://github.com/ArthurSonzogni/FTXUI/issues/560
This commit is contained in:
Arthur Sonzogni
2023-01-22 11:02:27 +01:00
committed by GitHub
parent 350dcac032
commit 6fe8310321
13 changed files with 172 additions and 13 deletions
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26
src/ftxui/screen/screen.cpp
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@@ -66,6 +66,16 @@ void UpdatePixelStyle(std::stringstream& ss,
previous.dim = false;
}
if ((!next.underlined && previous.underlined) ||
(!next.underlined_double && previous.underlined_double)) {
// We might have wrongfully reset underlined or underlinedbold because they
// share the same resetter. Take it into account so that the side effect
// will cause it to be set again below.
ss << "\x1B[24m"; // UNDERLINED_RESET
previous.underlined = false;
previous.underlined_double = false;
}
if (next.bold && !previous.bold) {
ss << "\x1B[1m"; // BOLD_SET
}
@@ -78,10 +88,6 @@ void UpdatePixelStyle(std::stringstream& ss,
ss << "\x1B[4m"; // UNDERLINED_SET
}
if (!next.underlined && previous.underlined) {
ss << "\x1B[24m"; // UNDERLINED_RESET
}
if (next.blink && !previous.blink) {
ss << "\x1B[5m"; // BLINK_SET
}
@@ -98,6 +104,18 @@ void UpdatePixelStyle(std::stringstream& ss,
ss << "\x1B[27m"; // INVERTED_RESET
}
if (next.strikethrough && !previous.strikethrough) {
ss << "\x1B[9m"; // CROSSED_OUT
}
if (!next.strikethrough && previous.strikethrough) {
ss << "\x1B[29m"; // CROSSED_OUT_RESET
}
if (next.underlined_double && !previous.underlined_double) {
ss << "\x1B[21m"; // DOUBLE_UNDERLINED_SET
}
if (next.foreground_color != previous.foreground_color ||
next.background_color != previous.background_color) {
ss << "\x1B[" + next.foreground_color.Print(false) + "m";