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Highlighting the starting line number for changes

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Kovid Goyal 2014-01-25 17:00:01 +05:30
parent ce99832337
commit 77b463b79a
1 changed files with 10 additions and 0 deletions
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10
src/calibre/gui2/tweak_book/diff.py
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@ -191,11 +191,19 @@ class TextBrowser(PlainTextEdit): # {{{
top = int(self.blockBoundingGeometry(block).translated(self.contentOffset()).top())
bottom = top + int(self.blockBoundingRect(block).height())
painter.setPen(self.line_number_palette.color(QPalette.Text))
change_starts = {x[0] for x in self.changes}
while block.isValid() and top <= ev.rect().bottom():
r = ev.rect()
if block.isVisible() and bottom >= r.top():
text = unicode(self.line_number_map.get(num, ''))
is_start = num in change_starts
if is_start:
painter.save()
f = QFont(self.font())
f.setBold(True)
painter.setFont(f)
painter.setPen(self.line_number_palette.color(QPalette.BrightText))
if text == '-':
painter.drawLine(r.left() + 2, (top + bottom)//2, r.right() - 2, (top + bottom)//2)
else:
@ -205,6 +213,8 @@ class TextBrowser(PlainTextEdit): # {{{
else:
painter.drawText(r.left(), top, r.right() - 5, self.fontMetrics().height(),
Qt.AlignRight, text)
if is_start:
painter.restore()
block = block.next()
top = bottom
bottom = top + int(self.blockBoundingRect(block).height())