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// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include "nvim/api/private/dispatch.h"
#include "nvim/api/private/helpers.h"
#include "nvim/highlight.h"
#include "nvim/log.h"
#include "nvim/map.h"
#include "nvim/msgpack_rpc/channel.h"
#include "nvim/screen.h"
#include "nvim/ui.h"
#include "nvim/ui_client.h"
#include "nvim/vim.h"
#ifdef INCLUDE_GENERATED_DECLARATIONS
# include "ui_client.c.generated.h"
# include "ui_events_client.generated.h"
#endif
void ui_client_init(uint64_t chan)
{
Array args = ARRAY_DICT_INIT;
int width = Columns;
int height = Rows;
Dictionary opts = ARRAY_DICT_INIT;
PUT(opts, "rgb", BOOLEAN_OBJ(true));
PUT(opts, "ext_linegrid", BOOLEAN_OBJ(true));
PUT(opts, "ext_termcolors", BOOLEAN_OBJ(true));
ADD(args, INTEGER_OBJ((int)width));
ADD(args, INTEGER_OBJ((int)height));
ADD(args, DICTIONARY_OBJ(opts));
rpc_send_event(chan, "nvim_ui_attach", args);
ui_client_channel_id = chan;
}
UIClientHandler ui_client_get_redraw_handler(const char *name, size_t name_len, Error *error)
{
int hash = ui_client_handler_hash(name, name_len);
if (hash < 0) {
return (UIClientHandler){ NULL, NULL };
}
return event_handlers[hash];
}
/// Placeholder for _sync_ requests with 'redraw' method name
///
/// async 'redraw' events, which are expected when nvim acts as an ui client.
/// get handled in msgpack_rpc/unpacker.c and directly dispatched to handlers
/// of specific ui events, like ui_client_event_grid_resize and so on.
Object handle_ui_client_redraw(uint64_t channel_id, Array args, Error *error)
{
api_set_error(error, kErrorTypeValidation, "'redraw' cannot be sent as a request");
return NIL;
}
/// run the main thread in ui client mode
///
/// This is just a stub. the full version will handle input, resizing, etc
void ui_client_execute(uint64_t chan)
FUNC_ATTR_NORETURN
{
while (true) {
loop_poll_events(&main_loop, -1);
multiqueue_process_events(resize_events);
}
getout(0);
}
static HlAttrs ui_client_dict2hlattrs(Dictionary d, bool rgb)
{
Error err = ERROR_INIT;
Dict(highlight) dict = { 0 };
if (!api_dict_to_keydict(&dict, KeyDict_highlight_get_field, d, &err)) {
// TODO(bfredl): log "err"
return HLATTRS_INIT;
}
return dict2hlattrs(&dict, true, NULL, &err);
}
void ui_client_event_grid_resize(Array args)
{
if (args.size < 3
|| args.items[0].type != kObjectTypeInteger
|| args.items[1].type != kObjectTypeInteger
|| args.items[2].type != kObjectTypeInteger) {
ELOG("Error handling ui event 'grid_resize'");
return;
}
Integer grid = args.items[0].data.integer;
Integer width = args.items[1].data.integer;
Integer height = args.items[2].data.integer;
ui_call_grid_resize(grid, width, height);
if (grid_line_buf_size < (size_t)width) {
xfree(grid_line_buf_char);
xfree(grid_line_buf_attr);
grid_line_buf_size = (size_t)width;
grid_line_buf_char = xmalloc(grid_line_buf_size * sizeof(schar_T));
grid_line_buf_attr = xmalloc(grid_line_buf_size * sizeof(sattr_T));
}
}
void ui_client_event_grid_line(Array args)
FUNC_ATTR_NORETURN
{
abort(); // unreachable
}
void ui_client_event_raw_line(GridLineEvent *g)
{
int grid = g->args[0], row = g->args[1], startcol = g->args[2];
Integer endcol = startcol + g->coloff;
Integer clearcol = endcol + g->clear_width;
// TODO(hlpr98): Accommodate other LineFlags when included in grid_line
LineFlags lineflags = 0;
ui_call_raw_line(grid, row, startcol, endcol, clearcol, g->cur_attr, lineflags,
(const schar_T *)grid_line_buf_char, grid_line_buf_attr);
}
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