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-rw-r--r--plugins/minimap.lua35
1 files changed, 35 insertions, 0 deletions
diff --git a/plugins/minimap.lua b/plugins/minimap.lua
index 6a89b4d..f307053 100644
--- a/plugins/minimap.lua
+++ b/plugins/minimap.lua
@@ -215,6 +215,41 @@ local char_height = 1 * SCALE * config.plugins.minimap.scale
local char_spacing = 0.8 * SCALE * config.plugins.minimap.scale
local line_spacing = 2 * SCALE * config.plugins.minimap.scale
+
+-- Move cache to make space for new lines
+local prev_insert_notify = Highlighter.insert_notify
+function Highlighter:insert_notify(line, n, ...)
+ prev_insert_notify(self, line, n, ...)
+ local blanks = { }
+ if not highlighter_cache[self] then
+ highlighter_cache[self] = {}
+ else
+ local to = math.min(line + n, #self.doc.lines)
+ for i=#self.doc.lines+n,to,-1 do
+ highlighter_cache[self][i] = highlighter_cache[self][i - n]
+ end
+ for i=line,to do
+ highlighter_cache[self][i] = nil
+ end
+ end
+end
+
+
+-- Close the cache gap created by removed lines
+local prev_remove_notify = Highlighter.remove_notify
+function Highlighter:remove_notify(line, n, ...)
+ prev_remove_notify(self, line, n, ...)
+ if not highlighter_cache[self] then
+ highlighter_cache[self] = {}
+ else
+ local to = math.max(line + n, #self.doc.lines)
+ for i=line,to do
+ highlighter_cache[self][i] = highlighter_cache[self][i + n]
+ end
+ end
+end
+
+
-- Remove changed lines from the cache
local prev_tokenize_line = Highlighter.tokenize_line
function Highlighter:tokenize_line(idx, state, ...)