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Merge pull request #462 from TN8001/text-caret-position-shifts-japanese

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Fix Text caret position shifts when typing Japanese #447
This commit is contained in:
Ben Fry
2022-04-21 13:47:45 -04:00
committed by GitHub
parent b3f38c4baf 214a3de4a3
commit a95bfcd88d
1 changed files with 20 additions and 0 deletions
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20
app/src/processing/app/syntax/JEditTextArea.java
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@@ -1400,11 +1400,30 @@ public class JEditTextArea extends JComponent
* just as we're doing by drawing individual characters in the
* TextAreaPainter class.
*
* <a href="https://github.com/processing/processing4/issues/447">#447</a>,
* <a href="https://github.com/processing/processing4/issues/226">#226</a>,
* <a href="https://github.com/processing/processing4/issues/194">#194</a>,
* and <a href="https://github.com/sampottinger/processing/issues/103">Sam's 103</a>
*/
static int getTabbedTextWidth(Segment s,
FontMetrics metrics, int x,
TabExpander e, int startOffset) {
int nextX = x;
char[] txt = s.array;
int txtOffset = s.offset;
int n = s.offset + s.count;
for (int i = txtOffset; i < n; i++) {
if (txt[i] == '\t' && e != null) {
nextX = (int) e.nextTabStop(nextX, startOffset + i - txtOffset);
continue;
}
nextX += metrics.charWidth(txt[i]);
}
return nextX - x;
}
/*
static int getTabbedTextWidth(Segment s,
FontMetrics metrics, int x,
TabExpander e, int startOffset) {
@@ -1457,6 +1476,7 @@ public class JEditTextArea extends JComponent
// return (int) (nextX - x); // nextX was a float, this was returning a float [fry 220128]
return nextX - x;
}
*/
protected void setNewSelectionWord( int line, int offset )