* -------
**/
+static const char usage[] =
+VERSION " (" __DATE__ ")\n"
+"\n"
+"Usage: tig [options]\n"
+" or: tig [options] [--] [git log options]\n"
+" or: tig [options] log [git log options]\n"
+" or: tig [options] diff [git diff options]\n"
+" or: tig [options] show [git show options]\n"
+" or: tig [options] < [git command output]\n"
+"\n"
+"Options:\n"
+" -l Start up in log view\n"
+" -d Start up in diff view\n"
+" -n[I], --line-number[=I] Show line numbers with given interval\n"
+" -t[N], --tab-size[=N] Set number of spaces for tab expansion\n"
+" -- Mark end of tig options\n"
+" -v, --version Show version and exit\n"
+" -h, --help Show help message and exit\n";
+
/* Option and state variables. */
static bool opt_line_number = FALSE;
static int opt_num_interval = NUMBER_INTERVAL;
}
/**
+ * -h, --help::
+ * Show help message and exit.
+ **/
+ if (!strcmp(opt, "-h") ||
+ !strcmp(opt, "--help")) {
+ printf(usage);
+ return FALSE;
+ }
+
+ /**
* \--::
* End of tig(1) options. Useful when specifying command
* options for the main view. Example:
const char *cmd_fmt; /* Default command line format */
const char *cmd_env; /* Command line set via environment */
const char *id; /* Points to either of ref_{head,commit} */
- size_t objsize; /* Size of objects in the line index */
struct view_ops {
/* What type of content being displayed. Used in the
unsigned long offset; /* Offset of the window top */
unsigned long lineno; /* Current line number */
+ /* If non-NULL, points to the view that opened this view. If this view
+ * is closed tig will switch back to the parent view. */
+ struct view *parent;
+
/* Buffering */
unsigned long lines; /* Total number of lines */
void **line; /* Line index; each line contains user data */
static struct view_ops pager_ops;
static struct view_ops main_ops;
-#define VIEW_STR(name, cmd, env, ref, objsize, ops) \
- { name, cmd, #env, ref, objsize, ops }
+#define VIEW_STR(name, cmd, env, ref, ops) \
+ { name, cmd, #env, ref, ops }
-#define VIEW_(id, name, ops, ref, objsize) \
- VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, objsize, ops)
+#define VIEW_(id, name, ops, ref) \
+ VIEW_STR(name, TIG_##id##_CMD, TIG_##id##_CMD, ref, ops)
/**
* Views
**/
static struct view views[] = {
- VIEW_(MAIN, "main", &main_ops, ref_head, sizeof(struct commit)),
- VIEW_(DIFF, "diff", &pager_ops, ref_commit, sizeof(char)),
- VIEW_(LOG, "log", &pager_ops, ref_head, sizeof(char)),
- VIEW_(HELP, "help", &pager_ops, "static", sizeof(char)),
- VIEW_(PAGER, "pager", &pager_ops, "static", sizeof(char)),
+ VIEW_(MAIN, "main", &main_ops, ref_head),
+ VIEW_(DIFF, "diff", &pager_ops, ref_commit),
+ VIEW_(LOG, "log", &pager_ops, ref_head),
+ VIEW_(HELP, "help", &pager_ops, "static"),
+ VIEW_(PAGER, "pager", &pager_ops, "static"),
};
#define VIEW(req) (&views[(req) - REQ_OFFSET - 1])
bool split = !!(flags & OPEN_SPLIT);
bool reload = !!(flags & OPEN_RELOAD);
struct view *view = VIEW(request);
- struct view *displayed;
- int nviews;
-
- /* Cycle between displayed views and count the views. */
- foreach_view (displayed, nviews) {
- if (prev != view &&
- view == displayed &&
- !strcmp(view->vid, prev->vid)) {
- current_view = nviews;
- /* Blur out the title of the previous view. */
- update_view_title(prev);
- report("");
- return;
- }
- }
+ int nviews = display[1] ? 2 : 1;
if (view == prev && nviews == 1 && !reload) {
report("Already in %s view", view->name);
/* Continue loading split views in the background. */
if (!split)
end_update(prev);
+ view->parent = prev;
}
if (view->pipe) {
return TRUE;
case REQ_VIEW_CLOSE:
- if (display[1]) {
- view = display[(current_view + 1) % ARRAY_SIZE(display)];
+ if (view->parent) {
memset(display, 0, sizeof(display));
current_view = 0;
- display[current_view] = view;
+ display[current_view] = view->parent;
+ view->parent = NULL;
resize_display();
redraw_display();
break;
pager_enter(struct view *view)
{
char *line = view->line[view->lineno];
+ int split = 0;
- if (view == VIEW(REQ_VIEW_DIFF)) {
- scroll_view(view, REQ_SCROLL_LINE_DOWN);
- return TRUE;
+ if ((view == VIEW(REQ_VIEW_LOG) ||
+ view == VIEW(REQ_VIEW_PAGER)) &&
+ get_line_type(line) == LINE_COMMIT) {
+ open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT);
+ split = 1;
}
- if (get_line_type(line) == LINE_COMMIT) {
- if (view == VIEW(REQ_VIEW_LOG))
- open_view(view, REQ_VIEW_DIFF, OPEN_SPLIT | OPEN_BACKGROUNDED);
- else
- open_view(view, REQ_VIEW_DIFF, OPEN_DEFAULT);
- }
+ /* Always scroll the view even if it was split. That way
+ * you can use Enter to scroll through the log view and
+ * split open each commit diff. */
+ scroll_view(view, REQ_SCROLL_LINE_DOWN);
+
+ /* FIXME: A minor workaround. Scrolling the view will call report("")
+ * but if we are scolling a non-current view this won't properly update
+ * the view title. */
+ if (split)
+ update_view_title(view);
return TRUE;
}
* h::
* Show man page.
* q::
- * Close view if multiple views are open, else quit.
+ * Close view, if multiple views are open it will jump back to the
+ * previous view in the view stack. If it is the last open view it
+ * will quit. Use 'Q' to quit all views at once.
* Enter::
* This key is "context sensitive" depending on what view you are
* currently in. When in log view on a commit line or in the main
unicode += ((string[3] & 0x3f) << 6);
unicode += (string[4] & 0x3f);
break;
- case 6:
+ case 6:
unicode = (string[0] & 0x01) << 30;
unicode += ((string[1] & 0x3f) << 24);
unicode += ((string[2] & 0x3f) << 18);
*/
/* Whether or not the curses interface has been initialized. */
-bool cursed = FALSE;
+static bool cursed = FALSE;
/* The status window is used for polling keystrokes. */
static WINDOW *status_win;
~mdw / tig / blobdiff