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
@@ -73,128 +73,140 @@ 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;
diff --git a/ui-shared.c b/ui-shared.c
index ca8dd3d..bd34cc3 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -426,108 +426,112 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
 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: */