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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 <stdbool.h>
#include <stdint.h>
#include <assert.h>
#include "nvim/vim.h"
#include "nvim/log.h"
#include "nvim/map.h"
#include "nvim/ui_client.h"
#include "nvim/api/private/helpers.h"
#include "nvim/msgpack_rpc/channel.h"
#include "nvim/api/private/dispatch.h"
#include "nvim/ui.h"
#include "nvim/highlight.h"
#include "nvim/screen.h"
static Map(String, ApiRedrawWrapper) redraw_methods = MAP_INIT;
static void add_redraw_event_handler(String method, ApiRedrawWrapper handler)
{
map_put(String, ApiRedrawWrapper)(&redraw_methods, method, handler);
}
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);
msgpack_rpc_add_redraw(); // GAME!
redraw_methods_table_init();
ui_client_channel_id = chan;
}
/// Handler for "redraw" events sent by the NVIM server
///
/// This is just a stub. The mentioned functionality will be implemented.
///
/// This function will be called by handle_request (in msgpack_rpc/channle.c)
/// The individual ui_events sent by the server are individually handled
/// by their respective handlers defined in ui_events_redraw.generated.h
///
/// @note The "flush" event is called only once and only after handling all
/// the other events
/// @param channel_id: The id of the rpc channel
/// @param uidata: The dense array containing the ui_events sent by the server
/// @param[out] err Error details, if any
Object ui_client_handle_redraw(uint64_t channel_id, Array args, Error *error)
{
for (size_t i = 0; i < args.size; i++) {
Array call = args.items[i].data.array;
String name = call.items[0].data.string;
ApiRedrawWrapper handler = map_get(String, ApiRedrawWrapper)(&redraw_methods, name);
if (!handler) {
ELOG("No redraw handler by name: %s", name.size ? name.data : "<empty>");
continue;
}
// fprintf(stderr, "%s: %zu\n", name.data, call.size-1);
DLOG("Invoke redraw handler by name: %s", name.data);
for (size_t j = 1; j < call.size; j++) {
Array internal_call_args = call.items[j].data.array;
handler(internal_call_args);
}
}
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)
{
while (true) {
loop_poll_events(&main_loop, -1);
}
getout(0);
}
static HlAttrs redraw_dict2hlattrs(Dictionary redraw_dict, bool rgb)
{
Error err = ERROR_INIT;
Dict(highlight) dict = { 0 };
if (!api_dict_to_keydict(&dict, KeyDict_highlight_get_field, redraw_dict, &err)) {
// TODO(bfredl): log "err"
return HLATTRS_INIT;
}
return dict2hlattrs(&dict, true, NULL, &err);
}
#ifdef INCLUDE_GENERATED_DECLARATIONS
#include "ui_events_redraw.generated.h"
#endif
void ui_redraw_event_grid_line(Array args)
{
Integer grid = args.items[0].data.integer;
Integer row = args.items[1].data.integer;
Integer startcol = args.items[2].data.integer;
Array cells = args.items[3].data.array;
Integer endcol, clearcol, clearattr;
// TODO(hlpr98): Accomodate other LineFlags when included in grid_line
LineFlags lineflags = 0;
schar_T *chunk;
sattr_T *attrs;
size_t size_of_cells = cells.size;
size_t no_of_cells = size_of_cells;
endcol = startcol;
// checking if clearcol > endcol
if (!STRCMP(cells.items[size_of_cells-1].data.array
.items[0].data.string.data, " ")
&& cells.items[size_of_cells-1].data.array.size == 3) {
no_of_cells = size_of_cells - 1;
}
// getting endcol
for (size_t i = 0; i < no_of_cells; i++) {
endcol++;
if (cells.items[i].data.array.size == 3) {
endcol += cells.items[i].data.array.items[2].data.integer - 1;
}
}
if (!STRCMP(cells.items[size_of_cells-1].data.array
.items[0].data.string.data, " ")
&& cells.items[size_of_cells-1].data.array.size == 3) {
clearattr = cells.items[size_of_cells-1].data.array.items[1].data.integer;
clearcol = endcol + cells.items[size_of_cells-1].data.array
.items[2].data.integer;
} else {
clearattr = 0;
clearcol = endcol;
}
size_t ncells = (size_t)(endcol - startcol);
chunk = xmalloc(ncells * sizeof(schar_T) + 1);
attrs = xmalloc(ncells * sizeof(sattr_T) + 1);
size_t j = 0;
size_t k = 0;
for (size_t i = 0; i < no_of_cells; i++) {
STRCPY(chunk[j++], cells.items[i].data.array.items[0].data.string.data);
if (cells.items[i].data.array.size == 3) {
// repeat present
for (size_t i_intr = 1;
i_intr < (size_t)cells.items[i].data.array.items[2].data.integer;
i_intr++) {
STRCPY(chunk[j++], cells.items[i].data.array.items[0].data.string.data);
attrs[k++] = (sattr_T)cells.items[i].data.array.items[1].data.integer;
}
} else if (cells.items[i].data.array.size == 2) {
// repeat = 1 but attrs != last_hl
attrs[k++] = (sattr_T)cells.items[i].data.array.items[1].data.integer;
}
if (j > k) {
// attrs == last_hl
attrs[k] = attrs[k-1];
k++;
}
}
ui_call_raw_line(grid, row, startcol, endcol, clearcol, clearattr, lineflags,
(const schar_T *)chunk, (const sattr_T *)attrs);
}
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