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authorzeertzjq <zeertzjq@outlook.com>2022-03-28 06:45:15 +0800
committerzeertzjq <zeertzjq@outlook.com>2022-03-28 10:23:32 +0800
commit595c1a724af9fe93d4ff1df7d5c47e4c9c31a7a6 (patch)
tree3bd554afdfe7b9f51296e49cb4d3fb5d650b3cb8 /test/functional/ui/syntax_conceal_spec.lua
parent9ce2c73180b741a7969ede940c3c439d0cc9010d (diff)
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perf: only redraw concealed line if cursor has moved horizontally
Building upon #17889, this moves conceal redrawing logic into move.c, so that concealed line is only redrawn if cursor has moved horizontally.
Diffstat (limited to 'test/functional/ui/syntax_conceal_spec.lua')
-rw-r--r--test/functional/ui/syntax_conceal_spec.lua53
1 files changed, 52 insertions, 1 deletions
diff --git a/test/functional/ui/syntax_conceal_spec.lua b/test/functional/ui/syntax_conceal_spec.lua
index 4e1852162f..92e5a5dd94 100644
--- a/test/functional/ui/syntax_conceal_spec.lua
+++ b/test/functional/ui/syntax_conceal_spec.lua
@@ -3,6 +3,7 @@ local Screen = require('test.functional.ui.screen')
local clear, feed, command = helpers.clear, helpers.feed, helpers.command
local eq = helpers.eq
local insert = helpers.insert
+local poke_eventloop = helpers.poke_eventloop
describe('Screen', function()
local screen
@@ -911,7 +912,57 @@ describe('Screen', function()
{0:~ }|
|
]]}
- eq(grid_lines, {{2, 0, {{'c', 0, 3}}}})
+ eq({{2, 0, {{'c', 0, 3}}}}, grid_lines)
+ end)
+
+ it('K_EVENT should not cause extra redraws with concealcursor #13196', function()
+ command('set conceallevel=1')
+ command('set concealcursor=nv')
+ command('set redrawdebug+=nodelta')
+
+ insert([[
+ aaa
+ bbb
+ ccc
+ ]])
+ screen:expect{grid=[[
+ aaa |
+ bbb |
+ ccc |
+ ^ |
+ {0:~ }|
+ {0:~ }|
+ {0:~ }|
+ {0:~ }|
+ {0:~ }|
+ |
+ ]]}
+
+ -- XXX: hack to get notifications, and check only a single line is
+ -- updated. Could use next_msg() also.
+ local orig_handle_grid_line = screen._handle_grid_line
+ local grid_lines = {}
+ function screen._handle_grid_line(self, grid, row, col, items)
+ table.insert(grid_lines, {row, col, items})
+ orig_handle_grid_line(self, grid, row, col, items)
+ end
+ feed('k')
+ screen:expect{grid=[[
+ aaa |
+ bbb |
+ ^ccc |
+ |
+ {0:~ }|
+ {0:~ }|
+ {0:~ }|
+ {0:~ }|
+ {0:~ }|
+ |
+ ]]}
+ eq({{2, 0, {{'c', 0, 3}}}}, grid_lines)
+ poke_eventloop() -- causes K_EVENT key
+ screen:expect_unchanged()
+ eq({{2, 0, {{'c', 0, 3}}}}, grid_lines)
end)
-- Copy of Test_cursor_column_in_concealed_line_after_window_scroll in