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ui: use line-based rather than char-based updates in screen.c

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Add ext_newgrid and ext_hlstate extensions. These use predefined
highlights and line-segment based updates, for efficiency and
simplicity.. The ext_hlstate extension in addition allows semantic
identification of builtin and syntax highlights.

Reimplement the old char-based updates in the remote UI layer, for
compatibility. For the moment, this is still the default. The bulitin
TUI uses the new line-based protocol.

cmdline uses curwin cursor position when ext_cmdline is active.
This commit is contained in:
Björn Linse
2018-07-06 14:39:50 +02:00
parent 2134396074
commit 1adb01c120
28 changed files with 979 additions and 576 deletions
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17
src/nvim/ugrid.c
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@@ -17,7 +17,6 @@
void ugrid_init(UGrid *grid)
{
grid->attrs = HLATTRS_INIT;
grid->clear_attrs = HLATTRS_INIT;
grid->cells = NULL;
}
@@ -45,12 +44,13 @@ 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, grid->top, grid->bot, grid->left, grid->right,
HLATTRS_INIT);
}
void ugrid_eol_clear(UGrid *grid)
void ugrid_clear_chunk(UGrid *grid, int row, int col, int endcol, HlAttrs attrs)
{
clear_region(grid, grid->row, grid->row, grid->col, grid->right);
clear_region(grid, row, row, col, endcol-1, attrs);
}
void ugrid_goto(UGrid *grid, int row, int col)
@@ -99,7 +99,8 @@ void ugrid_scroll(UGrid *grid, int count, int *clear_top, int *clear_bot)
*clear_bot = stop;
*clear_top = stop + count + 1;
}
clear_region(grid, *clear_top, *clear_bot, grid->left, grid->right);
clear_region(grid, *clear_top, *clear_bot, grid->left, grid->right,
HLATTRS_INIT);
}
UCell *ugrid_put(UGrid *grid, uint8_t *text, size_t size)
@@ -117,13 +118,13 @@ UCell *ugrid_put(UGrid *grid, uint8_t *text, size_t size)
return cell;
}
static void clear_region(UGrid *grid, int top, int bot, int left, int right)
static void clear_region(UGrid *grid, int top, int bot, int left, int right,
HlAttrs attrs)
{
HlAttrs clear_attrs = grid->clear_attrs;
UGRID_FOREACH_CELL(grid, top, bot, left, right, {
cell->data[0] = ' ';
cell->data[1] = 0;
cell->attrs = clear_attrs;
cell->attrs = attrs;
});
}