static enum request
tree_request(struct view *view, enum request request, struct line *line)
{
enum open_flags flags;
struct tree_entry *entry = line->data;
switch (request) {
case REQ_VIEW_BLAME:
if (line->type != LINE_FILE) {
report("Blame only supported for files");
return REQ_NONE;
}
string_copy(view->env->ref, view->vid);
return request;
case REQ_EDIT:
if (line->type != LINE_FILE) {
report("Edit only supported for files");
} else if (!is_head_commit(view->vid)) {
open_blob_editor(entry->id, entry->name, 0);
} else {
open_editor(view->env->file, 0);
}
return REQ_NONE;
case REQ_PARENT:
case REQ_BACK:
if (!*view->env->directory) {
/* quit view if at top of tree */
return REQ_VIEW_CLOSE;
}
/* fake 'cd ..' */
pop_tree_stack_entry(&view->pos);
reload_view(view);
break;
case REQ_ENTER:
break;
default:
return request;
}
/* Cleanup the stack if the tree view is at a different tree. */
if (!*view->env->directory)
reset_view_history(&tree_view_history);
switch (line->type) {
case LINE_DIRECTORY:
/* Depending on whether it is a subdirectory or parent link
* mangle the path buffer. */
if (tree_path_is_parent(entry->name) && *view->env->directory) {
pop_tree_stack_entry(&view->pos);
} else {
const char *basename = tree_path(line);
push_tree_stack_entry(view, basename, &view->pos);
}
/* Trees and subtrees share the same ID, so they are not not
* unique like blobs. */
reload_view(view);
break;
case LINE_FILE:
flags = view_is_displayed(view) ? OPEN_SPLIT : OPEN_DEFAULT;
open_blob_view(view, flags);
break;
default:
return REQ_NONE;
}
return REQ_NONE;
}
static bool
forward_request_to_child(struct view *child, enum request request)
{
return displayed_views() == 2 && view_is_displayed(child) &&
!strcmp(child->vid, child->ops->id);
}
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;
}
}
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;
}
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;
}
}