waveterm/xterm.js
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Add powerline to glyph ranges test

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This commit is contained in:
Daniel Imms
2025-12-22 12:26:58 -08:00
parent 3e80637145
commit 219036cb0f
4 changed files with 16 additions and 5 deletions
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addons/addon-webgl/src/customGlyphs/CustomGlyphDefinitions.ts
+4 -1
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@@ -63,7 +63,7 @@ export const unifiedCharDefinitions: { [index: string]: CustomGlyphCharacterDefi
// #endregion
// #region Powerline symbols (E0A0-E0BF)
// #region Powerline Symbols (E0A0-E0BF)
// This contains the definitions of the primarily used box drawing characters as vector shapes.
// The reason these characters are defined specially is to avoid common problems if a user's font
@@ -89,6 +89,9 @@ export const unifiedCharDefinitions: { [index: string]: CustomGlyphCharacterDefi
'\u{E0B2}': { type: CustomGlyphDefinitionType.VECTOR_SHAPE, data: { d: 'M1,0 L0,.5 L1,1', type: CustomGlyphVectorType.FILL, leftPadding: 2 } },
// Left triangle line
'\u{E0B3}': { type: CustomGlyphDefinitionType.VECTOR_SHAPE, data: { d: 'M2,-.5 L0,.5 L2,1.5', type: CustomGlyphVectorType.STROKE, leftPadding: 1, rightPadding: 1 } },
// Powerline Extra Symbols
// Right semi-circle solid
'\u{E0B4}': { type: CustomGlyphDefinitionType.VECTOR_SHAPE, data: { d: 'M0,0 L0,1 C0.552,1,1,0.776,1,.5 C1,0.224,0.552,0,0,0', type: CustomGlyphVectorType.FILL, rightPadding: 1 } },
// Right semi-circle line
addons/addon-webgl/src/customGlyphs/CustomGlyphRasterizer.ts
+1 -1
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@@ -4,7 +4,7 @@
*/
import { throwIfFalsy } from 'browser/renderer/shared/RendererUtils';
import { blockElementDefinitions, boxDrawingDefinitions, powerlineDefinitions, unifiedCharDefinitions } from 'customGlyphs/CustomGlyphDefinitions';
import { blockElementDefinitions, boxDrawingDefinitions, unifiedCharDefinitions } from 'customGlyphs/CustomGlyphDefinitions';
import { CustomGlyphDefinitionType, CustomGlyphVectorType, type CustomGlyphPathDrawFunctionDefinition, type CustomGlyphPatternDefinition, type CustomGlyphRegionDefinition, type ICustomGlyphSolidOctantBlockVector, type ICustomGlyphVectorShape } from 'customGlyphs/Types';
/**
demo/client.ts
+7
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@@ -849,6 +849,13 @@ function customGlyphRangesHandler(): void {
['Block elements', 0x2594, 0x2595],
['Terminal graphic characters', 0x2596, 0x259F],
]);
// Powerline Symbols
// Range: E0A0–E0BF
// https://github.com/ryanoasis/nerd-fonts
writeUnicodeTable(term, 'Powerline Symbols', 0xE0A0, 0xE0BF, [
['Powerline Symbols', 0xE0A0, 0xE0B3],
['Powerline Extra Symbols', 0xE0B4, 0xE0BF],
]);
// Symbols for Legacy Computing
// Range: 1FB00–1FBFF
// https://www.unicode.org/charts/PDF/U1FB00.pdf
demo/unicodeTable.ts
+4 -3
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@@ -71,7 +71,8 @@ export function writeUnicodeTable(term: Terminal, name: string, start: number, e
// If labels exist and don't start at column 0, first output chars before first label
if (rowLabels.length > 0 && rowLabels[0].col > 0) {
const rowHex = row.toString(16).toUpperCase();
term.write(bold('U+' + rowHex + 'x '));
const rowPrefix = `U+${rowHex}x`.padEnd(8, ' ');
term.write(bold(rowPrefix));
for (let col = 0; col < rowLabels[0].col; col++) {
const codePoint = row * 16 + col;
term.write(' ');
@@ -93,7 +94,7 @@ export function writeUnicodeTable(term: Terminal, name: string, start: number, e
if (rowLabels.length > 0) {
// Render label lines from top to bottom (first label on top, last label closest to row)
for (let i = 0; i < rowLabels.length; i++) {
const prefix = ' '; // Same width as "U+1FB0x "
const prefix = ' '.repeat(8); // Same width as "U+1FB0x "
let line = '';
let visualLen = 0; // Track visual length separately from string length (escape codes don't count)
for (let col = 0; col < 16; col++) {
@@ -117,7 +118,7 @@ export function writeUnicodeTable(term: Terminal, name: string, start: number, e
// Row prefix (e.g., "U+1FB0x ")
const rowHex = row.toString(16).toUpperCase();
const rowPrefix = 'U+' + rowHex + 'x ';
const rowPrefix = `U+${rowHex}x`.padEnd(8, ' ');
const isSecondPrint = rowLabels.length > 0 && rowLabels[0].col > 0;
term.write(isSecondPrint ? ' '.repeat(rowPrefix.length) : bold(rowPrefix));