diff options
Diffstat (limited to 'ui/presentation/Label.js')
-rw-r--r-- | ui/presentation/Label.js | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/ui/presentation/Label.js b/ui/presentation/Label.js index 81223df..ed45601 100644 --- a/ui/presentation/Label.js +++ b/ui/presentation/Label.js @@ -4,6 +4,16 @@ import * as ansi from 'tui-lib/util/ansi' export default class Label extends DisplayElement { // A simple text display. Automatically adjusts size to fit text. + // + // Supports formatted text in two ways: + // 1) Modify the textAttributes to be an array containing the ANSI numerical + // codes for any wanted attributes, and/or + // 2) Supply full ANSI escape codes within the text itself. (The reset + // attributes code, ESC[0m, will be processed to reset to the provided + // values in textAttributes. + // + // Subclasses overriding the writeTextTo function should be sure to call + // processFormatting before actually writing text. constructor(text = '') { super() @@ -32,7 +42,12 @@ export default class Label extends DisplayElement { writeTextTo(writable) { writable.write(ansi.moveCursor(this.absTop, this.absLeft)) - writable.write(this.text) + writable.write(this.processFormatting(this.text)) + } + + processFormatting(text) { + return text.replace(new RegExp(ansi.ESC + '\\[0m', 'g'), + ansi.setAttributes([ansi.A_RESET, ...this.textAttributes])) } set text(newText) { |