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struct zsvsheet_help_data {
size_t rows_fetched;
const char *row_data[3];
};
const unsigned char **zsvsheet_get_help_header(void *d) {
struct zsvsheet_help_data *data = d;
data->row_data[0] = "Key(s)";
data->row_data[1] = "Action";
data->row_data[2] = "Description";
return (const unsigned char **)data->row_data;
}
const unsigned char *zsvsheet_get_help_status(void *_) {
(void)(_);
return (const unsigned char *)"<esc> to exit help";
}
const unsigned char **zsvsheet_get_help_row(void *d) {
struct zsvsheet_help_data *data = d;
while (1) {
size_t i = data->rows_fetched++;
if (zsvsheet_get_key_binding(i) == NULL)
return NULL;
struct zsvsheet_key_binding *kb = zsvsheet_get_key_binding(i);
struct zsvsheet_procedure *proc = zsvsheet_find_procedure(kb->proc_id);
if (proc == NULL || kb->hidden)
continue;
data->row_data[0] = zsvsheet_key_binding_ch_name(kb);
data->row_data[1] = proc->name;
data->row_data[2] = proc->description;
return (const unsigned char **)data->row_data;
}
}
static zsvsheet_status zsvsheet_help_handler(struct zsvsheet_proc_context *ctx) {
const size_t cols = 3;
struct zsvsheet_help_data d = {0};
return zsvsheet_buffer_new_static(ctx, cols, zsvsheet_get_help_header, zsvsheet_get_help_row,
zsvsheet_get_help_status, &d, NULL);
}
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