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Always ensure we do not scroll past the last line

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An assert fails from time to time after reloading fifo buffers due
to being scrolled past the last line of the buffer. A repro case was
not found but this should fix the underlying issue.
This commit is contained in:
Maxime Coste 2023-11-01 17:23:53 +11:00
parent 2fa55be40a
commit 8cc4de5bb3
1 changed files with 2 additions and 1 deletions
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3
src/window.cc
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@ -209,8 +209,9 @@ DisplaySetup Window::compute_display_setup(const Context& context) const
if (cursor.line - offset.line < win_pos.line)
win_pos.line = std::max(0_line, cursor.line - offset.line);
if (cursor.line + offset.line >= win_pos.line + m_dimensions.line)
win_pos.line = std::min(buffer().line_count()-1, cursor.line + offset.line - m_dimensions.line + 1);
win_pos.line = cursor.line + offset.line - m_dimensions.line + 1;
}
win_pos.line = std::min(win_pos.line, buffer().line_count()-1);
DisplaySetup setup{
win_pos.line,