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Fix terminal emoji size and alignment (#8375)

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* fix(terminal): render emoji at their intended width

The native grid scales glyphs to the columns assigned by the terminal buffer. Use grapheme widths across current hosts and clients so emoji fit their slots and replay preserves cursor positions.

* fix(terminal): make width regression test portable

* test(terminal): wait for replay fixture output to finish

A trailing newline could arrive after the readiness marker and change the retained history between replay captures.
This commit is contained in:
Mohamed Boudra
2026-11-01 10:33:59 +07:00
committed by GitHub
parent 86c60d367c
commit da75aa7a4a
27 changed files with 422 additions and 99 deletions
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packages/app/modules/paseo-terminal/android/src/androidTest/assets/grapheme-rows.json
+10 -10
View File
@@ -1,21 +1,21 @@
[
{
"output": "स्ते",
"row": "2,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1;8,4294638330,0,0;स्ते ",
"clusterStarts": [0, 2, 3, 4, 5, 6, 7],
"contrastStarts": [0, 1, 2, 3, 4, 5, 6, 7]
"row": "4,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1;8,4294638330,0,0;स्ते ",
"clusterStarts": [0, 1, 2, 3, 4, 5, 6, 7],
"contrastStarts": [0, 2, 3, 4, 5, 6, 7]
},
{
"output": "क्ष",
"row": "2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1;8,4294638330,0,0;क्ष ",
"clusterStarts": [0, 2, 3, 4, 5, 6, 7],
"contrastStarts": [0, 1, 2, 3, 4, 5, 6, 7]
"row": "3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1;8,4294638330,0,0;क्ष ",
"clusterStarts": [0, 1, 2, 3, 4, 5, 6, 7],
"contrastStarts": [0, 2, 3, 4, 5, 6, 7]
},
{
"output": "নক্ষত্র",
"row": "1,1,2,1,1,1,2,1,1,1,1,1,1,1,1,1;8,4294638330,0,0;নক্ষত্র ",
"clusterStarts": [0, 1, 3, 5, 6, 7],
"contrastStarts": [0, 1, 2, 3, 4, 5, 6, 7]
"row": "1,1,3,1,3,1,1,1,1,1,1,1,1,1,1,1;8,4294638330,0,0;নক্ষত্র ",
"clusterStarts": [0, 1, 2, 3, 4, 5, 6, 7],
"contrastStarts": [0, 2, 3, 4, 5, 6, 7]
},
{
"output": "क्अ",
@@ -31,7 +31,7 @@
},
{
"output": "अ्क",
"row": "2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1;8,4294638330,0,0;अ्क ",
"row": "3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1;8,4294638330,0,0;अ्क ",
"clusterStarts": [0, 1, 2, 3, 4, 5, 6, 7],
"contrastStarts": [0, 2, 3, 4, 5, 6, 7]
}
packages/app/modules/paseo-terminal/android/src/androidTest/java/sh/paseo/terminal/TerminalRowLayoutTest.kt
-8
View File
@@ -1,6 +1,5 @@
package sh.paseo.terminal
import android.os.Build
import android.graphics.Bitmap
import android.graphics.Canvas
import android.graphics.Paint
@@ -44,13 +43,6 @@ class TerminalRowLayoutTest {
val output = row.getString("output")
val (toExpected, toContrast) = difference(drawn, expected) to difference(drawn, contrast)
Log.i("TerminalRowLayoutTest", "$output expected=$toExpected contrast=$toContrast")
// Android 10's platform ICU splits this conjunct. Keep its observed raster baseline
// explicit rather than claiming this supported OS passes the modern grapheme corpus.
if (Build.VERSION.SDK_INT == 29 && output == "स्ते") {
assertTrue("Android 10 unexpectedly matches modern conjunct clustering", toExpected > MATCH_TOLERANCE)
assertTrue("Android 10 split-conjunct baseline changed", toContrast <= MATCH_TOLERANCE)
continue
}
assertTrue("$output differs from its grapheme clusters by $toExpected", toExpected <= MATCH_TOLERANCE)
assertTrue("$output also matches the wrong clusters", toContrast > MATCH_TOLERANCE)
}