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Only highlight cursor line after syntax highlighter is finished

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This is because cursor line highlight relies on data from syntax
highlighting (to apply background colors)
This commit is contained in:
Kovid Goyal 2024-01-18 20:02:34 +05:30
parent 2df665d4e7
commit 6c18b02642
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 8 additions and 1 deletions
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9
src/calibre/gui2/tweak_book/editor/text.py
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@ -625,6 +625,13 @@ class TextEdit(PlainTextEdit):
# Line numbers and cursor line {{{
def highlight_cursor_line(self):
self._highlight_cursor_line()
def _highlight_cursor_line(self, highlight_now=True):
if self.highlighter.is_working:
QTimer.singleShot(10, self.highlight_cursor_line)
if not highlight_now:
return
sel = QTextEdit.ExtraSelection()
sel.format.setBackground(self.palette().alternateBase())
sel.format.setProperty(QTextFormat.Property.FullWidthSelection, True)
@ -632,7 +639,7 @@ class TextEdit(PlainTextEdit):
sel.cursor.clearSelection()
self.current_cursor_line = [sel]
# apply any formats that have a backgroud over the cursor line format
# apply any formats that have a background over the cursor line format
# to ensure they are visible
c = self.textCursor()
block = c.block()