Do not require javascript-enabled clients

A simple submit-button is all that's required to make the branch selector
drop-down work on any client, so lets add one.

Noticed-by: Olivier Ramonat <olivier@ramonat.fr>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

2 files changed, 16 insertions, 0 deletions

diff --git a/cgit.css b/cgit.css
index 1e768b8..1b2e9d6 100644
--- a/cgit.css
+++ b/cgit.css
@@ -41,192 +41,204 @@ a {
 }
 
 a:hover {
 	background-color: #ddd;
 	text-decoration: none;
 }
 
 table.list {
 	border: none;
 	border-collapse: collapse;
 }
 
 table.list tr {
 	background: white;
 }
 
 table.list tr:hover {
 	background: #f8f8f8;
 }
 
 table.list tr.nohover:hover {
 	background: white;
 }
 
 table.list th {
 	font-weight: bold;
 	border-bottom: solid 1px #777;
 	padding: 0.1em 0.5em 0.1em 0.5em;
 	vertical-align: baseline;
 }
 
 table.list td {
 	border: none;
 	padding: 0.1em 0.5em 0.1em 0.5em;
 }
 
 img {
 	border: none;
 }
 
 div#sidebar {
 	vertical-align: top;
 	width: 162px;
 	padding: 0px 0px 0px 0px;
 	margin: 4px;
 	float: left;
 }
 
 div#logo {
 	margin: 0px;
 	padding: 4px 0px 4px 0px;
 	text-align: center;
 	background-color: #ccc;
 	border-top: solid 1px #eee;
 	border-left: solid 1px #eee;
 	border-right: solid 1px #aaa;
 	border-bottom: solid 1px #aaa;
 }
 
 div#sidebar div.infobox {
 	margin: 0px 0px 0px 0px;
 	padding: 0.5em;
 	text-align: left;
 	background-color: #ccc;
 	border-top: solid 1px #eee;
 	border-left: solid 1px #eee;
 	border-right: solid 1px #aaa;
 	border-bottom: solid 1px #aaa;
 }
 
 div#sidebar div.infobox h1 {
 	font-size: 11pt;
 	font-weight: bold;
 	margin: 0px;
 }
 
 div#sidebar div.infobox a.menu {
 	display: block;
 	background-color: #ccc;
 	padding: 0.1em 0.5em;
 	text-decoration: none;
 }
 
 div#sidebar div.infobox a.menu:hover {
 	background-color: #bbb;
 	text-decoration: none;
 }
 
 div#sidebar div.infobox select {
 	width: 100%;
 	border: solid 1px #aaa;
 	background-color: #bbb;
 	margin: 2px 0px 0px 0px;
 	padding: 0px;
 }
 
+td#branch-dropdown-cell {
+	width: 99%;
+}
+
+input#switch-btn {
+	width: 20px;
+	border: solid 1px #aaa;
+	background-color: #bbb;
+	margin: 2px 0px 0px 0px;
+	padding: 0px;
+}
+
 div#sidebar div.infobox input.txt {
 	width: 100%;
 	border: solid 1px #aaa;
 	background-color: #bbb;
 	margin: 2px 0px 0px 0px;
 	padding: 0;
 }
 
 table#grid {
 	margin: 0px;
 }
 
 td#content {
 	vertical-align: top;
 	padding: 1em 2em 1em 1em;
 	border: none;
 }
 
 div#summary {
 	vertical-align: top;
 	margin-bottom: 1em;
 }
 
 table#downloads {
 	float: right;
 	border-collapse: collapse;
 	border: solid 1px #777;
 	margin-left: 0.5em;
 	margin-bottom: 0.5em;
 }
 
 table#downloads th {
 	background-color: #ccc;
 }
 
 div#blob {
 	border: solid 1px black;
 }
 
 div.error {
 	color: red;
 	font-weight: bold;
 	margin: 1em 2em;
 }
 
 a.ls-blob, a.ls-dir, a.ls-mod {
 	font-family: monospace;
 }
 
 td.ls-size {
 	text-align: right;
 }
 
 td.ls-size {
 	font-family: monospace;
 }
 
 td.ls-mode {
 	font-family: monospace;
 }
 
 table.blob {
 	margin-top: 0.5em;
 	border-top: solid 1px black;
 }
 
 table.blob td.no {
 	border-right: solid 1px black;
 	color: black;
 	background-color: #eee;
 	text-align: right;
 }
 
 table.blob td.no a {
 	color: black;
 }
 
 table.blob td.no a:hover {
 	color: black;
 	text-decoration: none;
 }
 
 table.blob td.txt {
 	white-space: pre;
 	font-family: monospace;
 	padding-left: 0.5em;
 }
 
 table.nowrap td {
 	white-space: nowrap;
 }
 
 table.commit-info {
 	border-collapse: collapse;
 	margin-top: 1.5em;
 }
diff --git a/ui-shared.c b/ui-shared.c
index ca8dd3d..bd34cc3 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -394,140 +394,144 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
 	unsigned char fileid[20];
 	int *header = (int *)cb_data;
 
 	if (prefixcmp(refname, "refs/archives"))
 		return 0;
 	strncpy(buf, refname+14, sizeof(buf));
 	obj = parse_object(sha1);
 	if (!obj)
 		return 1;
 	if (obj->type == OBJ_TAG) {
 		tag = lookup_tag(sha1);
 		if (!tag || parse_tag(tag) || !(info = cgit_parse_tag(tag)))
 			return 0;
 		hashcpy(fileid, tag->tagged->sha1);
 	} else if (obj->type != OBJ_BLOB) {
 		return 0;
 	} else {
 		hashcpy(fileid, sha1);
 	}
 	if (!*header) {
 		html("<p><h1>download</h1>");
 		*header = 1;
 	}
 	url = cgit_pageurl(cgit_query_repo, "blob",
 			   fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
 			       buf));
 	html_link_open(url, NULL, "menu");
 	html_txt(strlpart(buf, 20));
 	html_link_close();
 	return 0;
 }
 
 void add_hidden_formfields(int incl_head, int incl_search, char *page)
 {
 	char *url;
 
 	if (!cgit_virtual_root) {
 		url = fmt("%s/%s", cgit_query_repo, page);
 		if (cgit_query_path)
 			url = fmt("%s/%s", url, cgit_query_path);
 		html_hidden("url", url);
 	}
 
 	if (incl_head && strcmp(cgit_query_head, cgit_repo->defbranch))
 		html_hidden("h", cgit_query_head);
 
 	if (cgit_query_sha1)
 		html_hidden("id", cgit_query_sha1);
 	if (cgit_query_sha2)
 		html_hidden("id2", cgit_query_sha2);
 
 	if (incl_search) {
 		if (cgit_query_grep)
 			html_hidden("qt", cgit_query_grep);
 		if (cgit_query_search)
 			html_hidden("q", cgit_query_search);
 	}
 }
 
 void cgit_print_pageheader(char *title, int show_search)
 {
 	static const char *default_info = "This is cgit, a fast webinterface for git repositories";
 	int header = 0;
 
 	html("<div id='sidebar'>\n");
 	html("<a href='");
 	html_attr(cgit_rooturl());
 	htmlf("'><div id='logo'><img src='%s' alt='cgit'/></div></a>\n",
 	      cgit_logo);
 	html("<div class='infobox'>");
 	if (cgit_query_repo) {
 		html("<h1>");
 		html_txt(strrpart(cgit_repo->name, 20));
 		html("</h1>\n");
 		html_txt(cgit_repo->desc);
 		if (cgit_repo->owner) {
 			html("<p>\n<h1>owner</h1>\n");
 			html_txt(cgit_repo->owner);
 		}
 		html("<p>\n<h1>navigate</h1>\n");
 		reporevlink(NULL, "summary", NULL, "menu", cgit_query_head,
 			    NULL, NULL);
 		cgit_log_link("log", NULL, "menu", cgit_query_head, NULL, NULL,
 			      0, NULL, NULL);
 		cgit_tree_link("tree", NULL, "menu", cgit_query_head,
 			       cgit_query_sha1, NULL);
 		cgit_commit_link("commit", NULL, "menu", cgit_query_head,
 			      cgit_query_sha1);
 		cgit_diff_link("diff", NULL, "menu", cgit_query_head,
 			       cgit_query_sha1, cgit_query_sha2, NULL);
 
 		for_each_ref(print_archive_ref, &header);
 
 		html("<p>\n<h1>branch</h1>\n");
 		html("<form method='get' action=''>\n");
 		add_hidden_formfields(0, 1, cgit_query_page);
+		html("<table class='grid'><tr><td id='branch-dropdown-cell'>");
 		html("<select name='h' onchange='this.form.submit();'>\n");
 		for_each_branch_ref(print_branch_option, cgit_query_head);
 		html("</select>\n");
+		html("</td><td>");
+		html("<input type='submit' id='switch-btn' value='..'>\n");
+		html("</td></tr></table>");
 		html("</form>\n");
 
 		html("<p>\n<h1>search</h1>\n");
 		html("<form method='get' action='");
 		if (cgit_virtual_root)
 			html_attr(cgit_fileurl(cgit_query_repo, "log",
 					       cgit_query_path, NULL));
 		html("'>\n");
 		add_hidden_formfields(1, 0, "log");
 		html("<select name='qt'>\n");
 		html_option("grep", "log msg", cgit_query_grep);
 		html_option("author", "author", cgit_query_grep);
 		html_option("committer", "committer", cgit_query_grep);
 		html("</select>\n");
 		html("<input class='txt' type='text' name='q' value='");
 		html_attr(cgit_query_search);
 		html("'/>\n");
 		html("</form>\n");
 	} else {
 		if (!cgit_index_info || html_include(cgit_index_info))
 			html(default_info);
 	}
 
 	html("</div>\n");
 
 	html("</div>\n<table class='grid'><tr><td id='content'>\n");
 }
 
 
 void cgit_print_snapshot_start(const char *mimetype, const char *filename,
 			       struct cacheitem *item)
 {
 	htmlf("Content-Type: %s\n", mimetype);
 	htmlf("Content-Disposition: inline; filename=\"%s\"\n", filename);
 	htmlf("Last-Modified: %s\n", http_date(item->st.st_mtime));
 	htmlf("Expires: %s\n", http_date(item->st.st_mtime +
 					 ttl_seconds(item->ttl)));
 	html("\n");
 }
 
 /* vim:set sw=8: */