static enum request
view_request(struct view *view, enum request request)
{
if (!view || !view->lines)
return request;
if (request == REQ_ENTER && !opt_focus_child &&
view_has_flags(view, VIEW_SEND_CHILD_ENTER)) {
struct view *child = display[1];
if (forward_request_to_child(child, request)) {
view_request(child, request);
return REQ_NONE;
}
}
if (request == REQ_REFRESH && !view_can_refresh(view)) {
report("This view can not be refreshed");
return REQ_NONE;
}
return view->ops->request(view, request, &view->line[view->pos.lineno]);
}
static enum request
run_prompt_command(struct view *view, char *cmd)
{
enum request request;
if (cmd && 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 (cmd && 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 (cmd && strlen(cmd) == 1) {
struct key_input input = { { cmd[0] } };
return get_keybinding(&view->ops->keymap, &input);
} else if (cmd && 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 if (cmd) {
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();
}
}
return request;
}
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;
}
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;
}