static enum request
open_pager_mode(enum request request)
{
if (request == REQ_VIEW_PAGER) {
/* Detect if the user requested the main view. */
if (argv_contains(opt_rev_args, "--stdin")) {
open_main_view(NULL, OPEN_FORWARD_STDIN);
} else if (argv_contains(opt_cmdline_args, "--pretty=raw")) {
open_main_view(NULL, OPEN_STDIN);
} else {
open_pager_view(NULL, OPEN_STDIN);
}
} else if (request == REQ_VIEW_DIFF) {
if (argv_contains(opt_rev_args, "--stdin"))
open_diff_view(NULL, OPEN_FORWARD_STDIN);
else
open_diff_view(NULL, OPEN_STDIN);
} else {
close(STDIN_FILENO);
report("Ignoring stdin.");
return request;
}
return REQ_NONE;
}
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;
}
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;
}
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 {
