bool
open_external_viewer(const char *argv[], const char *dir, bool silent, bool confirm, bool refresh, const char *notice)
{
bool ok;
if (silent) {
ok = io_run_bg(argv, dir);
} else {
endwin(); /* restore original tty modes */
ok = io_run_fg(argv, dir);
if (confirm || !ok) {
if (!ok && *notice)
fprintf(stderr, "%s", notice);
if (!is_script_executing()) {
fprintf(stderr, "Press Enter to continue");
getc(opt_tty);
}
}
}
if (watch_update(WATCH_EVENT_AFTER_COMMAND) && refresh) {
struct view *view;
int i;
foreach_displayed_view (view, i) {
if (watch_dirty(&view->watch))
refresh_view(view);
}
}
redraw_display(true);
return ok;
}
enum status_code
open_script(const char *path)
{
if (is_script_executing())
return error("Scripts cannot be run from scripts");
return io_open(&script_io, "%s", path)
? SUCCESS : error("Failed to open %s", path);
}
enum status_code
open_script(const char *path)
{
if (is_script_executing())
return error("Scripts cannot be run from scripts");
char buf[SIZEOF_STR];
if (!expand_path(buf, sizeof(buf), path))
return error("Failed to expand path: %s", path);
return io_open(&script_io, "%s", buf)
? SUCCESS : error("Failed to open %s", buf);
}
bool
open_external_viewer(const char *argv[], const char *dir, bool silent, bool confirm, bool echo, bool refresh, const char *notice)
{
bool ok;
if (echo) {
char buf[SIZEOF_STR] = "";
io_run_buf(argv, buf, sizeof(buf), dir, false);
if (*buf) {
report("%s", buf);
return true;
} else {
report("No output");
return false;
}
} else if (silent || is_script_executing()) {
ok = io_run_bg(argv, dir);
} else {
clear();
refresh();
endwin(); /* restore original tty modes */
ok = io_run_fg(argv, dir);
if (confirm || !ok) {
if (!ok && *notice)
fprintf(stderr, "%s", notice);
fprintf(stderr, "Press Enter to continue");
getc(opt_tty);
fseek(opt_tty, 0, SEEK_END);
}
set_terminal_modes();
}
if (watch_update(WATCH_EVENT_AFTER_COMMAND) && refresh) {
struct view *view;
int i;
foreach_displayed_view (view, i) {
if (watch_dirty(&view->watch))
refresh_view(view);
}
}
redraw_display(true);
return ok;
}
int
get_input_char(void)
{
if (is_script_executing()) {
static struct key key;
static int bytes_pos;
if (!key.modifiers.multibytes || bytes_pos >= strlen(key.data.bytes)) {
if (!read_script(&key))
return 0;
bytes_pos = 0;
}
if (!key.modifiers.multibytes) {
if (key.data.value < 128)
return key.data.value;
die("Only ASCII control characters can be used in prompts: %d", key.data.value);
}
return key.data.bytes[bytes_pos++];
}
return getc(opt_tty);
}
enum request
run_prompt_command(struct view *view, const char *argv[])
{
enum request request;
const char *cmd = argv[0];
size_t cmdlen = cmd ? strlen(cmd) : 0;
if (!cmd)
return REQ_NONE;
if (string_isnumber(cmd)) {
int lineno = view->pos.lineno + 1;
if (parse_int(&lineno, cmd, 0, view->lines + 1) == SUCCESS) {
if (!lineno)
lineno = 1;
select_view_line(view, lineno - 1);
report_clear();
} else {
report("Unable to parse '%s' as a line number", cmd);
}
} else if (iscommit(cmd)) {
int lineno;
if (!(view->ops->column_bits & view_column_bit(ID))) {
report("Jumping to commits is not supported by the %s view", view->name);
return REQ_NONE;
}
for (lineno = 0; lineno < view->lines; lineno++) {
struct view_column_data column_data = {};
struct line *line = &view->line[lineno];
if (view->ops->get_column_data(view, line, &column_data) &&
column_data.id &&
!strncasecmp(column_data.id, cmd, cmdlen)) {
string_ncopy(view->env->search, cmd, cmdlen);
select_view_line(view, lineno);
report_clear();
return REQ_NONE;
}
}
report("Unable to find commit '%s'", view->env->search);
return REQ_NONE;
} else if (cmdlen > 1 && (cmd[0] == '/' || cmd[0] == '?')) {
char search[SIZEOF_STR];
if (!argv_to_string(argv, search, sizeof(search), " ")) {
report("Failed to copy search string");
return REQ_NONE;
}
if (!strcmp(search + 1, view->env->search))
return cmd[0] == '/' ? REQ_FIND_NEXT : REQ_FIND_PREV;
string_ncopy(view->env->search, search + 1, strlen(search + 1));
return cmd[0] == '/' ? REQ_SEARCH : REQ_SEARCH_BACK;
} else if (cmdlen > 1 && cmd[0] == '!') {
struct view *next = &pager_view;
bool copied;
/* Trim the leading '!'. */
argv[0] = cmd + 1;
copied = argv_format(view->env, &next->argv, argv, FALSE, TRUE);
argv[0] = cmd;
if (!copied) {
report("Argument formatting failed");
} else {
/* When running random commands, initially show the
* command in the title. However, it maybe later be
* overwritten if a commit line is selected. */
argv_to_string(next->argv, next->ref, sizeof(next->ref), " ");
next->dir = NULL;
open_pager_view(view, OPEN_PREPARED | OPEN_WITH_STDERR);
}
} else if (!strcmp(cmd, "save-display")) {
const char *path = argv[1] ? argv[1] : "tig-display.txt";
if (!save_display(path))
report("Failed to save screen to %s", path);
else
report("Saved screen to %s", path);
} else if (!strcmp(cmd, "exec")) {
struct run_request req = { view->keymap, {}, argv + 1 };
enum status_code code = parse_run_request_flags(&req.flags, argv + 1);
if (code != SUCCESS) {
report("Failed to execute command: %s", get_status_message(code));
} else {
return exec_run_request(view, &req);
}
} else if (!strcmp(cmd, "toggle")) {
enum view_flag flags = VIEW_NO_FLAGS;
enum status_code code = prompt_toggle(view, argv, &flags);
const char *action = get_status_message(code);
if (code != SUCCESS) {
report("%s", action);
return REQ_NONE;
}
prompt_update_display(flags);
if (*action)
report("%s", action);
} else if (!strcmp(cmd, "script")) {
if (is_script_executing()) {
report("Scripts cannot be run from scripts");
} else if (!open_script(argv[1])) {
report("Failed to open %s", argv[1]);
}
} else {
struct key key = {};
enum status_code code;
enum view_flag flags = VIEW_NO_FLAGS;
/* Try :<key> */
key.modifiers.multibytes = 1;
string_ncopy(key.data.bytes, cmd, cmdlen);
request = get_keybinding(view->keymap, &key, 1);
if (request != REQ_NONE)
return request;
/* Try :<command> */
request = get_request(cmd);
if (request != REQ_UNKNOWN)
return request;
code = set_option(argv[0], argv_size(argv + 1), &argv[1]);
if (code != SUCCESS) {
report("%s", get_status_message(code));
return REQ_NONE;
}
if (!strcmp(cmd, "set")) {
struct prompt_toggle *toggle;
toggle = find_prompt_toggle(option_toggles, ARRAY_SIZE(option_toggles),
"", argv[1], strlen(argv[1]));
if (toggle)
flags = toggle->flags;
}
if (flags) {
prompt_update_display(flags);
} else {
request = view_can_refresh(view) ? REQ_REFRESH : REQ_SCREEN_REDRAW;
if (!strcmp(cmd, "color"))
init_colors();
resize_display();
redraw_display(TRUE);
}
}
return REQ_NONE;
}
