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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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19
src/nvim/highlight.c
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@@ -38,7 +38,7 @@ void highlight_init(void)
bool highlight_use_hlstate(void)
{
if (hlstate_active) {
return false;
return false;
}
hlstate_active = true;
// hl tables must now be rebuilt.
@@ -89,9 +89,26 @@ static int get_attr_entry(HlEntry entry)
map_put(HlEntry, int)(attr_entry_ids, entry, id);
Array inspect = hl_inspect(id);
// Note: internally we don't distinguish between cterm and rgb attributes,
// remote_ui_hl_attr_define will however.
ui_call_hl_attr_define(id, entry.attr, entry.attr, inspect);
api_free_array(inspect);
return id;
}
/// When a UI connects, we need to send it the table of higlights used so far.
void ui_send_all_hls(UI *ui)
{
for (size_t i = 1; i < kv_size(attr_entries); i++) {
Array inspect = hl_inspect((int)i);
ui->hl_attr_define(ui, (Integer)i, kv_A(attr_entries, i).attr,
kv_A(attr_entries, i).attr, inspect);
api_free_array(inspect);
}
}
/// Get attribute code for a syntax group.
int hl_get_syn_attr(int idx, HlAttrs at_en)
{