bool
open_external_viewer(const char *argv[], const char *dir, bool confirm, bool refresh, const char *notice)
{
bool ok;
def_prog_mode(); /* save current tty modes */
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);
}
reset_prog_mode();
if (watch_update(WATCH_EVENT_AFTER_EXTERNAL) && refresh) {
struct view *view;
int i;
foreach_displayed_view (view, i) {
if (watch_dirty(&view->watch))
refresh_view(view);
}
}
redraw_display(TRUE);
return ok;
}
static int view_driver(struct view *view, int key)
{
switch (key)
{
case REQ_MOVE_DOWN:
case REQ_MOVE_UP:
if (view)
navigate_view(view, key);
break;
case REQ_VIEW_CLOSE:
quit(0);
break;
case REQ_OPEN_VIM:
report("Shelling out...");
def_prog_mode(); /* save current tty modes */
endwin(); /* end curses mode temporarily */
system(vim_cmd); /* run shell */
report("returned"); /* prepare return message */
reset_prog_mode(); /* return to the previous tty modes */
break;
case REQ_VIEW_MAIN:
open_view(view);
break;
case REQ_SCREEN_RESIZE:
resize_display();
redraw_display(TRUE);
break;
default:
return TRUE;
}
return TRUE;
}
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;
}
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;
}
bool
open_external_viewer(const char *argv[], const char *dir, bool confirm, const char *notice)
{
bool ok;
def_prog_mode(); /* save current tty modes */
endwin(); /* restore original tty modes */
ok = io_run_fg(argv, dir);
if (confirm) {
if (!ok && *notice)
fprintf(stderr, "%s", notice);
fprintf(stderr, "Press Enter to continue");
getc(opt_tty);
}
reset_prog_mode();
redraw_display(TRUE);
return ok;
}
static void
prompt_update_display(enum view_flag flags)
{
struct view *view;
int i;
if (flags & VIEW_RESET_DISPLAY) {
resize_display();
redraw_display(TRUE);
}
foreach_displayed_view(view, i) {
if (view_has_flags(view, flags) && view_can_refresh(view))
reload_view(view);
else
redraw_view(view);
}
}
static bool
view_driver(struct view *view, enum request request)
{
int i;
if (request == REQ_NONE)
return true;
if (request >= REQ_RUN_REQUESTS) {
request = open_run_request(view, request);
// exit quickly rather than going through view_request and back
if (request == REQ_QUIT)
return false;
}
request = view_request(view, request);
if (request == REQ_NONE)
return true;
switch (request) {
case REQ_MOVE_UP:
case REQ_MOVE_DOWN:
case REQ_MOVE_PAGE_UP:
case REQ_MOVE_PAGE_DOWN:
case REQ_MOVE_HALF_PAGE_UP:
case REQ_MOVE_HALF_PAGE_DOWN:
case REQ_MOVE_FIRST_LINE:
case REQ_MOVE_LAST_LINE:
move_view(view, request);
break;
case REQ_SCROLL_FIRST_COL:
case REQ_SCROLL_LEFT:
case REQ_SCROLL_RIGHT:
case REQ_SCROLL_LINE_DOWN:
case REQ_SCROLL_LINE_UP:
case REQ_SCROLL_PAGE_DOWN:
case REQ_SCROLL_PAGE_UP:
case REQ_SCROLL_WHEEL_DOWN:
case REQ_SCROLL_WHEEL_UP:
scroll_view(view, request);
break;
case REQ_VIEW_GREP:
open_grep_view(view);
break;
case REQ_VIEW_MAIN:
open_main_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_DIFF:
open_diff_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_LOG:
open_log_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_TREE:
open_tree_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_HELP:
open_help_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_REFS:
open_refs_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_BLAME:
open_blame_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_BLOB:
open_blob_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_STATUS:
open_status_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_STAGE:
open_stage_view(view, NULL, 0, OPEN_DEFAULT);
break;
case REQ_VIEW_PAGER:
open_pager_view(view, OPEN_DEFAULT);
break;
case REQ_VIEW_STASH:
open_stash_view(view, OPEN_DEFAULT);
break;
case REQ_NEXT:
case REQ_PREVIOUS:
if (view->parent) {
int line;
view = view->parent;
line = view->pos.lineno;
view_request(view, request);
move_view(view, request);
if (view_is_displayed(view))
update_view_title(view);
if (line != view->pos.lineno)
view_request(view, REQ_ENTER);
} else {
move_view(view, request);
}
break;
case REQ_VIEW_NEXT:
{
int nviews = displayed_views();
int next_view = nviews ? (current_view + 1) % nviews : current_view;
if (next_view == current_view) {
report("Only one view is displayed");
break;
}
current_view = next_view;
/* Blur out the title of the previous view. */
update_view_title(view);
report_clear();
break;
}
case REQ_REFRESH:
report("Refreshing is not supported by the %s view", view->name);
break;
case REQ_PARENT:
report("Moving to parent is not supported by the %s view", view->name);
break;
case REQ_BACK:
report("Going back is not supported by the %s view", view->name);
break;
case REQ_MAXIMIZE:
if (displayed_views() == 2)
maximize_view(view, true);
break;
case REQ_OPTIONS:
toggle_option(view);
break;
case REQ_SEARCH:
case REQ_SEARCH_BACK:
search_view(view, request);
break;
case REQ_FIND_NEXT:
case REQ_FIND_PREV:
find_next(view, request);
break;
case REQ_MOVE_NEXT_MERGE:
case REQ_MOVE_PREV_MERGE:
report("Moving between merge commits is not supported by the %s view", view->name);
break;
case REQ_STOP_LOADING:
foreach_view(view, i) {
if (view->pipe)
report("Stopped loading the %s view", view->name),
end_update(view, true);
}
break;
case REQ_SHOW_VERSION:
report("tig-%s (built %s)", TIG_VERSION, __DATE__);
return true;
case REQ_SCREEN_REDRAW:
redraw_display(true);
break;
case REQ_EDIT:
report("Nothing to edit");
break;
case REQ_ENTER:
report("Nothing to enter");
break;
case REQ_VIEW_CLOSE:
/* XXX: Mark closed views by letting view->prev point to the
* view itself. Parents to closed view should never be
* followed. */
if (view->prev && view->prev != view) {
maximize_view(view->prev, true);
view->prev = view;
watch_unregister(&view->watch);
view->parent = NULL;
break;
}
/* Fall-through */
case REQ_QUIT:
return false;
default:
report("Unknown key, press %s for help",
get_view_key(view, REQ_VIEW_HELP));
return true;
}
return true;
}
int
get_input(int prompt_position)
{
struct view *view;
int i, key, cursor_y, cursor_x;
if (prompt_position)
input_mode = TRUE;
while (TRUE) {
bool loading = FALSE;
foreach_view (view, i) {
update_view(view);
if (view_is_displayed(view) && view->has_scrolled &&
use_scroll_redrawwin)
redrawwin(view->win);
view->has_scrolled = FALSE;
if (view->pipe)
loading = TRUE;
}
/* Update the cursor position. */
if (prompt_position) {
getbegyx(status_win, cursor_y, cursor_x);
cursor_x = prompt_position;
} else {
view = display[current_view];
getbegyx(view->win, cursor_y, cursor_x);
cursor_x = view->width - 1;
cursor_y += view->pos.lineno - view->pos.offset;
}
setsyx(cursor_y, cursor_x);
/* Refresh, accept single keystroke of input */
doupdate();
nodelay(status_win, loading);
key = wgetch(status_win);
/* wgetch() with nodelay() enabled returns ERR when
* there's no input. */
if (key == ERR) {
} else if (key == KEY_RESIZE) {
int height, width;
getmaxyx(stdscr, height, width);
wresize(status_win, 1, width);
mvwin(status_win, height - 1, 0);
wnoutrefresh(status_win);
resize_display();
redraw_display(TRUE);
} else {
input_mode = FALSE;
if (key == erasechar())
key = KEY_BACKSPACE;
return key;
}
}
int main (int argc, char** argv) {
const char* default_port = "23";
struct sigaction sa;
int i;
/* process command line args */
for (i = 1; i < argc; ++i) {
/* help */
if (strcmp(argv[i], "-h") == 0) {
printf(
"CLC %s by Sean Middleditch <*****@*****.**>\n"
"This program has been released into the PUBLIC DOMAIN.\n\n"
"Usage:\n"
" clc [-h] <host> [<port>]\n\n"
"Options:\n"
" -h display help\n", CLC_VERSION
);
return 0;
}
/* other unknown option */
if (argv[i][0] == '-') {
fprintf(stderr, "Unknown option %s.\nUse -h to see available options.\n", argv[i]);
exit(1);
}
/* if host is unset, this is the host */
if (host == NULL) {
host = argv[i];
/* otherwise, it's a port */
} else {
port = argv[i];
}
}
/* ensure we have a host */
if (host == NULL) {
fprintf(stderr, "No host was given.\nUse -h to see command format.\n");
exit(1);
}
/* set default port if none was given */
if (port == NULL)
port = default_port;
/* cleanup on any failure */
atexit(cleanup);
/* set terminal defaults */
memset(&terminal, 0, sizeof(struct TERMINAL));
terminal.state = TERM_ASCII;
terminal.flags = TERM_FLAGS_DEFAULT;
terminal.color = TERM_COLOR_DEFAULT;
/* initial telnet handler */
telnet = telnet_init(telnet_telopts, telnet_event, 0, 0);
/* connect to server */
sock = do_connect(host, port);
if (sock == -1) {
fprintf(stderr, "Failed to connect to %s:%s\n", host, port);
exit(1);
}
printf("Connected to %s:%s\n", host, port);
/* set initial banner */
snprintf(banner, sizeof(banner), "CLC - %s:%s (connected)", host, port);
/* configure curses */
initscr();
start_color();
nonl();
cbreak();
noecho();
win_main = newwin(LINES-2, COLS, 0, 0);
win_banner = newwin(1, COLS, LINES-2, 0);
win_input = newwin(1, COLS, LINES-1, 0);
idlok(win_main, TRUE);
scrollok(win_main, TRUE);
nodelay(win_input, FALSE);
keypad(win_input, TRUE);
use_default_colors();
init_pair(COLOR_RED, COLOR_RED, -1);
init_pair(COLOR_BLUE, COLOR_BLUE, -1);
init_pair(COLOR_GREEN, COLOR_GREEN, -1);
init_pair(COLOR_CYAN, COLOR_CYAN, -1);
init_pair(COLOR_MAGENTA, COLOR_MAGENTA, -1);
init_pair(COLOR_YELLOW, COLOR_YELLOW, -1);
init_pair(COLOR_WHITE, COLOR_WHITE, -1);
init_pair(TERM_COLOR_DEFAULT, -1, -1);
wbkgd(win_main, COLOR_PAIR(TERM_COLOR_DEFAULT));
wclear(win_main);
init_pair(10, COLOR_WHITE, COLOR_BLUE);
wbkgd(win_banner, COLOR_PAIR(10));
wclear(win_banner);
init_pair(11, -1, -1);
wbkgd(win_input, COLOR_PAIR(11));
wclear(win_input);
redraw_display();
/* set signal handlers */
memset(&sa, 0, sizeof(sa));
sa.sa_handler = handle_signal;
sigaction(SIGINT, &sa, NULL);
sigaction(SIGWINCH, &sa, NULL);
/* initial edit buffer */
memset(&editbuf, 0, sizeof(struct EDITBUF));
/* setup poll info */
struct pollfd fds[2];
fds[0].fd = 1;
fds[0].events = POLLIN;
fds[1].fd = sock;
fds[1].events = POLLIN;
/* main loop */
while (running) {
/* poll sockets */
if (poll(fds, 2, -1) == -1) {
if (errno != EAGAIN && errno != EINTR) {
endwin();
fprintf(stderr, "poll() failed: %s\n", strerror(errno));
return 1;
}
}
/* resize event? */
if (have_sigwinch) {
have_sigwinch = 0;
redraw_display();
}
/* escape? */
if (have_sigint) {
exit(0);
}
/* input? */
if (fds[0].revents & POLLIN) {
int key = wgetch(win_input);
if (key != ERR)
on_key(key);
}
/* process input data */
if (fds[1].revents & POLLIN) {
char buffer[2048];
int ret = recv(sock, buffer, sizeof(buffer), 0);
if (ret == -1) {
if (errno != EAGAIN && errno != EINTR) {
endwin();
fprintf(stderr, "recv() failed: %s\n", strerror(errno));
return 1;
}
} else if (ret == 0) {
running = 0;
} else {
recv_bytes += ret;
telnet_recv(telnet, buffer, ret);
}
}
/* flush output */
paint_banner();
wnoutrefresh(win_main);
wnoutrefresh(win_banner);
wnoutrefresh(win_input);
doupdate();
}
/* final display, pause */
sock = -1;
autobanner = 1;
paint_banner();
wnoutrefresh(win_banner);
doupdate();
wgetch(win_input);
/* clean up */
endwin();
printf("Disconnected.\n");
/* free memory (so Valgrind leak detection is useful) */
telnet_free(telnet);
return 0;
}
static int
view_driver(struct view *view, enum request request)
{
int i;
if (request == REQ_NONE)
return TRUE;
if (request >= REQ_RUN_REQUESTS) {
request = open_run_request(view, request);
// exit quickly rather than going through view_request and back
if (request == REQ_QUIT)
return FALSE;
}
request = view_request(view, request);
if (request == REQ_NONE)
return TRUE;
switch (request) {
case REQ_MOVE_UP:
case REQ_MOVE_DOWN:
case REQ_MOVE_PAGE_UP:
case REQ_MOVE_PAGE_DOWN:
case REQ_MOVE_FIRST_LINE:
case REQ_MOVE_LAST_LINE:
move_view(view, request);
break;
case REQ_SCROLL_FIRST_COL:
case REQ_SCROLL_LEFT:
case REQ_SCROLL_RIGHT:
case REQ_SCROLL_LINE_DOWN:
case REQ_SCROLL_LINE_UP:
case REQ_SCROLL_PAGE_DOWN:
case REQ_SCROLL_PAGE_UP:
case REQ_SCROLL_WHEEL_DOWN:
case REQ_SCROLL_WHEEL_UP:
scroll_view(view, request);
break;
case REQ_VIEW_GREP:
open_grep_view(view);
break;
case REQ_VIEW_MAIN:
case REQ_VIEW_DIFF:
case REQ_VIEW_LOG:
case REQ_VIEW_TREE:
case REQ_VIEW_HELP:
case REQ_VIEW_BRANCH:
case REQ_VIEW_BLAME:
case REQ_VIEW_BLOB:
case REQ_VIEW_STATUS:
case REQ_VIEW_STAGE:
case REQ_VIEW_PAGER:
case REQ_VIEW_STASH:
open_view(view, request, OPEN_DEFAULT);
break;
case REQ_NEXT:
case REQ_PREVIOUS:
if (view->parent) {
int line;
view = view->parent;
line = view->pos.lineno;
view_request(view, request);
move_view(view, request);
if (view_is_displayed(view))
update_view_title(view);
if (line != view->pos.lineno)
view_request(view, REQ_ENTER);
} else {
move_view(view, request);
}
break;
case REQ_VIEW_NEXT:
{
int nviews = displayed_views();
int next_view = (current_view + 1) % nviews;
if (next_view == current_view) {
report("Only one view is displayed");
break;
}
current_view = next_view;
/* Blur out the title of the previous view. */
update_view_title(view);
report_clear();
break;
}
case REQ_REFRESH:
report("Refreshing is not supported by the %s view", view->name);
break;
case REQ_PARENT:
report("Moving to parent is not supported by the the %s view", view->name);
break;
case REQ_BACK:
report("Going back is not supported for by %s view", view->name);
break;
case REQ_MAXIMIZE:
if (displayed_views() == 2)
maximize_view(view, TRUE);
break;
case REQ_OPTIONS:
case REQ_TOGGLE_LINENO:
case REQ_TOGGLE_DATE:
case REQ_TOGGLE_AUTHOR:
case REQ_TOGGLE_FILENAME:
case REQ_TOGGLE_GRAPHIC:
case REQ_TOGGLE_REV_GRAPH:
case REQ_TOGGLE_REFS:
case REQ_TOGGLE_CHANGES:
case REQ_TOGGLE_IGNORE_SPACE:
case REQ_TOGGLE_ID:
case REQ_TOGGLE_FILES:
case REQ_TOGGLE_TITLE_OVERFLOW:
case REQ_TOGGLE_FILE_SIZE:
case REQ_TOGGLE_UNTRACKED_DIRS:
case REQ_TOGGLE_VERTICAL_SPLIT:
{
char action[SIZEOF_STR] = "";
enum view_flag flags = toggle_option(view, request, action);
if (flags == VIEW_FLAG_RESET_DISPLAY) {
resize_display();
redraw_display(TRUE);
} else {
foreach_displayed_view(view, i) {
if (view_has_flags(view, flags) && !view->unrefreshable)
reload_view(view);
else
redraw_view(view);
}
}
if (*action)
report("%s", action);
}
break;
case REQ_TOGGLE_SORT_FIELD:
case REQ_TOGGLE_SORT_ORDER:
report("Sorting is not yet supported for the %s view", view->name);
break;
case REQ_DIFF_CONTEXT_UP:
case REQ_DIFF_CONTEXT_DOWN:
report("Changing the diff context is not yet supported for the %s view", view->name);
break;
case REQ_SEARCH:
case REQ_SEARCH_BACK:
search_view(view, request);
break;
case REQ_FIND_NEXT:
case REQ_FIND_PREV:
find_next(view, request);
break;
case REQ_STOP_LOADING:
foreach_view(view, i) {
if (view->pipe)
report("Stopped loading the %s view", view->name),
end_update(view, TRUE);
}
break;
case REQ_SHOW_VERSION:
report("tig-%s (built %s)", TIG_VERSION, __DATE__);
return TRUE;
case REQ_SCREEN_REDRAW:
redraw_display(TRUE);
break;
case REQ_EDIT:
report("Nothing to edit");
break;
case REQ_ENTER:
report("Nothing to enter");
break;
case REQ_VIEW_CLOSE:
/* XXX: Mark closed views by letting view->prev point to the
* view itself. Parents to closed view should never be
* followed. */
if (view->prev && view->prev != view) {
maximize_view(view->prev, TRUE);
view->prev = view;
break;
}
/* Fall-through */
case REQ_QUIT:
return FALSE;
default:
report("Unknown key, press %s for help",
get_view_key(view, REQ_VIEW_HELP));
return TRUE;
}
return TRUE;
}
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;
}
int
get_input(int prompt_position, struct key_input *input, bool modifiers)
{
struct view *view;
int i, key, cursor_y, cursor_x;
if (prompt_position)
input_mode = TRUE;
memset(input, 0, sizeof(*input));
while (TRUE) {
bool loading = FALSE;
foreach_view (view, i) {
update_view(view);
if (view_is_displayed(view) && view->has_scrolled &&
use_scroll_redrawwin)
redrawwin(view->win);
view->has_scrolled = FALSE;
if (view->pipe)
loading = TRUE;
}
/* Update the cursor position. */
if (prompt_position) {
getbegyx(status_win, cursor_y, cursor_x);
cursor_x = prompt_position;
} else {
view = display[current_view];
getbegyx(view->win, cursor_y, cursor_x);
cursor_x = view->width - 1;
cursor_y += view->pos.lineno - view->pos.offset;
}
setsyx(cursor_y, cursor_x);
/* Refresh, accept single keystroke of input */
doupdate();
nodelay(status_win, loading);
key = wgetch(status_win);
/* wgetch() with nodelay() enabled returns ERR when
* there's no input. */
if (key == ERR) {
} else if (key == KEY_ESC && modifiers) {
input->modifiers.escape = 1;
} else if (key == KEY_RESIZE) {
int height, width;
getmaxyx(stdscr, height, width);
wresize(status_win, 1, width);
mvwin(status_win, height - 1, 0);
wnoutrefresh(status_win);
resize_display();
redraw_display(TRUE);
} else {
int pos, key_length;
input_mode = FALSE;
if (key == erasechar())
key = KEY_BACKSPACE;
/*
* Ctrl-<key> values are represented using a 0x1F
* bitmask on the key value. To 'unmap' we assume that:
*
* - Ctrl-Z is handled by Ncurses.
* - Ctrl-m is the same as Return/Enter.
* - Ctrl-i is the same as Tab.
*
* For all other key values in the range the Ctrl flag
* is set and the key value is updated to the proper
* ASCII value.
*/
if (KEY_CTL('a') <= key && key <= KEY_CTL('x') && key != KEY_RETURN && key != KEY_TAB) {
input->modifiers.control = 1;
key = key | 0x40;
}
if ((key >= KEY_MIN && key < KEY_MAX) || key < 0x1F) { // || key == ' ') {
input->data.key = key;
return input->data.key;
}
input->modifiers.multibytes = 1;
input->data.bytes[0] = key;
key_length = utf8_char_length(input->data.bytes);
for (pos = 1; pos < key_length && pos < sizeof(input->data.bytes) - 1; pos++) {
input->data.bytes[pos] = wgetch(status_win);
}
return OK;
}
}
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, 1, view->lines + 1) == SUCCESS) {
select_view_line(view, lineno - 1);
report_clear();
} else {
report("Unable to parse '%s' as a line number", cmd);
}
} else if (iscommit(cmd)) {
string_ncopy(view->env->search, cmd, cmdlen);
return REQ_JUMP_COMMIT;
} 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, "toggle")) {
char action[SIZEOF_STR] = "";
enum view_flag flags = prompt_toggle(view, argv, action);
int i;
if (flags & VIEW_RESET_DISPLAY) {
resize_display();
redraw_display(TRUE);
}
foreach_displayed_view(view, i) {
if (view_has_flags(view, flags) && !view->unrefreshable)
reload_view(view);
else
redraw_view(view);
}
if (*action)
report("%s", action);
} else {
static enum request
run_prompt_command(struct view *view, char *cmd)
{
enum request request;
if (!cmd)
return REQ_NONE;
if (string_isnumber(cmd)) {
int lineno = view->pos.lineno + 1;
if (parse_int(&lineno, cmd, 1, view->lines + 1) == SUCCESS) {
select_view_line(view, lineno - 1);
report_clear();
} else {
report("Unable to parse '%s' as a line number", cmd);
}
} else if (iscommit(cmd)) {
string_ncopy(view->env->search, cmd, strlen(cmd));
request = view_request(view, REQ_JUMP_COMMIT);
if (request == REQ_JUMP_COMMIT) {
report("Jumping to commits is not supported by the '%s' view", view->name);
}
} else if (strlen(cmd) == 1) {
struct key_input input = { { cmd[0] } };
return get_keybinding(&view->ops->keymap, &input);
} else if (cmd[0] == '/' || cmd[0] == '?') {
const char *search = cmd + 1;
if (!strcmp(search, view->env->search))
return cmd[0] == '/' ? REQ_FIND_NEXT : REQ_FIND_PREV;
string_ncopy(view->env->search, search, strlen(search));
return cmd[0] == '/' ? REQ_SEARCH : REQ_SEARCH_BACK;
} else if (cmd[0] == '!') {
struct view *next = VIEW(REQ_VIEW_PAGER);
const char *argv[SIZEOF_ARG];
int argc = 0;
cmd++;
/* When running random commands, initially show the
* command in the title. However, it maybe later be
* overwritten if a commit line is selected. */
string_ncopy(next->ref, cmd, strlen(cmd));
if (!argv_from_string(argv, &argc, cmd)) {
report("Too many arguments");
} else if (!argv_format(view->env, &next->argv, argv, FALSE, TRUE)) {
report("Argument formatting failed");
} else {
next->dir = NULL;
open_view(view, REQ_VIEW_PAGER, OPEN_PREPARED);
}
} else {
request = get_request(cmd);
if (request != REQ_UNKNOWN)
return request;
char *args = strchr(cmd, ' ');
if (args) {
*args++ = 0;
if (set_option(cmd, args) == SUCCESS) {
request = !view->unrefreshable ? REQ_REFRESH : REQ_SCREEN_REDRAW;
if (!strcmp(cmd, "color"))
init_colors();
resize_display();
redraw_display(TRUE);
}
}
return request;
}
return REQ_NONE;
}
