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| author | Adam <adamdharrison@gmail.com> | 2021-09-02 20:01:06 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-02 20:01:06 -0400 |
| commit | a0508103b1cbcdfe1936de41b1a167243406c481 (patch) | |
| tree | df7b7aa977360bfb511666bcf7efedf0a770d632 | |
| parent | f18629ab640423807ec44fb9163a0222ad850aae (diff) | |
| parent | e559afaefc269231429ec51c9261dacca37f874e (diff) | |
| download | lite-xl-a0508103b1cbcdfe1936de41b1a167243406c481.tar.gz lite-xl-a0508103b1cbcdfe1936de41b1a167243406c481.zip | |
Merge pull request #481 from Guldoman/h_scroll_size_cache
Add a simple cache to `DocView:get_h_scrollable_size`
| -rw-r--r-- | data/core/docview.lua | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/data/core/docview.lua b/data/core/docview.lua index 8f8c77ff..cddd82d2 100644 --- a/data/core/docview.lua +++ b/data/core/docview.lua @@ -102,10 +102,17 @@ function DocView:get_scrollable_size() end function DocView:get_h_scrollable_size() - local xmargin = 3 * self:get_font():get_width(' ') -- from DocView:scroll_to_make_visible - local long_line = next(self.doc.long_lines.line_numbers) or 1 - return self:get_col_x_offset(long_line, self.doc.long_lines.length) - + self:get_gutter_width() + xmargin + local doc_change_id = self.doc:get_change_id() + if self.last_doc_change_id ~= doc_change_id then + self.last_doc_change_id = doc_change_id + local xmargin = 3 * self:get_font():get_width(' ') -- from DocView:scroll_to_make_visible + -- TODO: make Doc calculate the real longest line in pixels, not in characters, + -- as the current implementation only works for monospace fonts + local long_line = next(self.doc.long_lines.line_numbers) or 1 + self.h_scrollable_size = self:get_col_x_offset(long_line, self.doc.long_lines.length) + + self:get_gutter_width() + xmargin + end + return self.h_scrollable_size end function DocView:get_font() |