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Merge pull request #8771 from bfredl/glitches

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Fix redraw glitches with newgrid refactor

Fixes #8768 #8775
This commit is contained in:
Björn Linse 2018-07-24 17:45:42 +02:00 committed by GitHub
commit 72ddbb675f
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 134 additions and 20 deletions
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9
src/nvim/api/ui.c
View File

@ -302,6 +302,15 @@ static void remote_ui_grid_scroll(UI *ui, Integer grid, Integer top,
args = (Array)ARRAY_DICT_INIT;
ADD(args, INTEGER_OBJ(rows));
push_call(ui, "scroll", args);
// some clients have "clear" being affected by scroll region,
// so reset it.
args = (Array)ARRAY_DICT_INIT;
ADD(args, INTEGER_OBJ(0));
ADD(args, INTEGER_OBJ(ui->height-1));
ADD(args, INTEGER_OBJ(0));
ADD(args, INTEGER_OBJ(ui->width-1));
push_call(ui, "set_scroll_region", args);
}
}

8
src/nvim/screen.c
View File

@ -283,8 +283,11 @@ void update_screen(int type)
if (msg_scrolled) {
clear_cmdline = true;
if (dy_flags & DY_MSGSEP) {
int valid = MAX(Rows - msg_scrollsize(), 0);
if (valid == 0) {
redraw_tabline = true;
}
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
int valid = Rows - msg_scrollsize();
if (wp->w_winrow + wp->w_height > valid) {
wp->w_redr_type = NOT_VALID;
wp->w_lines_valid = 0;
@ -292,9 +295,6 @@ void update_screen(int type)
if (wp->w_winrow + wp->w_height + wp->w_status_height > valid) {
wp->w_redr_status = true;
}
if (valid == 0) {
redraw_tabline = true;
}
}
} else if (msg_scrolled > Rows - 5) { // clearing is faster
type = CLEAR;

2
src/nvim/tui/tui.c
View File

@ -823,7 +823,7 @@ static void tui_grid_clear(UI *ui, Integer g)
UGrid *grid = &data->grid;
ugrid_clear(grid);
kv_size(data->invalid_regions) = 0;
clear_region(ui, grid->top, grid->bot, grid->left, grid->right,
clear_region(ui, 0, grid->height-1, 0, grid->width-1,
data->clear_attrs);
}

2
src/nvim/ugrid.c
View File

@ -44,7 +44,7 @@ void ugrid_resize(UGrid *grid, int width, int height)
void ugrid_clear(UGrid *grid)
{
clear_region(grid, grid->top, grid->bot, grid->left, grid->right,
clear_region(grid, 0, grid->height-1, 0, grid->width-1,
HLATTRS_INIT);
}

38
test/functional/ui/screen.lua
View File

@ -73,6 +73,7 @@
local helpers = require('test.functional.helpers')(nil)
local request, run, uimeths = helpers.request, helpers.run, helpers.uimeths
local eq = helpers.eq
local dedent = helpers.dedent
local Screen = {}
@ -389,12 +390,21 @@ function Screen:_handle_mode_info_set(cursor_style_enabled, mode_info)
end
function Screen:_handle_clear()
-- the first implemented UI protocol clients (python-gui and builitin TUI)
-- allowed the cleared region to be restricted by setting the scroll region.
-- this was never used by nvim tough, and not documented and implemented by
-- newer clients, to check we remain compatible with both kind of clients,
-- ensure the scroll region is in a reset state.
local expected_region = {
top = 1, bot = self._height, left = 1, right = self._width
}
eq(expected_region, self._scroll_region)
self:_clear_block(1, self._height, 1, self._width)
end
function Screen:_handle_grid_clear(grid)
assert(grid == 1)
self:_handle_clear()
self:_clear_block(1, self._height, 1, self._width)
end
function Screen:_handle_eol_clear()
@ -446,22 +456,30 @@ function Screen:_handle_scroll(count)
local bot = self._scroll_region.bot
local left = self._scroll_region.left
local right = self._scroll_region.right
self:_handle_grid_scroll(1, top-1, bot, left-1, right, count, 0)
end
function Screen:_handle_grid_scroll(grid, top, bot, left, right, rows, cols)
top = top+1
left = left+1
assert(grid == 1)
assert(cols == 0)
local start, stop, step
if count > 0 then
if rows > 0 then
start = top
stop = bot - count
stop = bot - rows
step = 1
else
start = bot
stop = top - count
stop = top - rows
step = -1
end
-- shift scroll region
for i = start, stop, step do
local target = self._rows[i]
local source = self._rows[i + count]
local source = self._rows[i + rows]
for j = left, right do
target[j].text = source[j].text
target[j].attrs = source[j].attrs
@ -470,19 +488,11 @@ function Screen:_handle_scroll(count)
end
-- clear invalid rows
for i = stop + step, stop + count, step do
for i = stop + step, stop + rows, step do
self:_clear_row_section(i, left, right)
end
end
function Screen:_handle_grid_scroll(grid, top, bot, left, right, rows, cols)
assert(grid == 1)
assert(cols == 0)
-- TODO: if we truly believe we should translate the other way
self:_handle_set_scroll_region(top,bot-1,left,right-1)
self:_handle_scroll(rows)
end
function Screen:_handle_hl_attr_define(id, rgb_attrs, cterm_attrs, info)
self._attr_table[id] = {rgb_attrs, cterm_attrs}
self._hl_info[id] = info

95
test/functional/ui/screen_basic_spec.lua
View File

@ -354,6 +354,101 @@ local function screen_tests(newgrid)
{0:~ }|
|
]])
feed(':echo "'..string.rep('x\\n', 12)..'"<cr>')
screen:expect([[
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
|
{7:Press ENTER or type command to continue}^ |
]])
feed('<cr>')
screen:expect([[
{4: [No Name] }{2: [No Name] }{3: }{4:X}|
^ |
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
{0:~ }|
|
]])
end)
it('redraws properly with :tab split right after scroll', function()
feed('30Ofoo<esc>gg')
command('vsplit')
screen:expect([[
^foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
{1:[No Name] [+] }{3:[No Name] [+] }|
|
]])
feed('<PageDown>')
screen:expect([[
^foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
foo {3:│}foo |
{1:[No Name] [+] }{3:[No Name] [+] }|
|
]])
command('tab split')
screen:expect([[
{4: }{5:2}{4:+ [No Name] }{2: + [No Name] }{3: }{4:X}|
^foo |
foo |
foo |
foo |
foo |
foo |
foo |
foo |
foo |
foo |
foo |
foo |
|
]])
end)
end)