Add generic support for search box in page header

This adds the ability to show a search box in any pageheader with correct href and
hidden form data, but does not enable the box on any pages.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

7 files changed, 51 insertions, 5 deletions

diff --git a/cgit.c b/cgit.c
index ac43441..277b849 100644
--- a/cgit.c
+++ b/cgit.c
@@ -17,5 +17,5 @@ static void cgit_print_repo_page(struct cacheitem *item)
 		char *title = fmt("%s - %s", cgit_root_title, "Bad request");
 		cgit_print_docstart(title, item);
-		cgit_print_pageheader(title);
+		cgit_print_pageheader(title, 0);
 		cgit_print_error(fmt("Unable to scan repository: %s",
 				     strerror(errno)));
@@ -26,5 +26,5 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	char *title = fmt("%s - %s", cgit_repo_name, cgit_repo_desc);
 	cgit_print_docstart(title, item);
-	cgit_print_pageheader(title);
+	cgit_print_pageheader(title, 0);
 	if (!cgit_query_page) {
 		cgit_print_summary();
diff --git a/cgit.css b/cgit.css
index 459dca7..9112bfe 100644
--- a/cgit.css
+++ b/cgit.css
@@ -62,4 +62,9 @@ div#header img#logo {
 	float: right;
 }
+
+div#header input {
+	float: right;
+	margin: 0.25em 1em;
+}
 div#header a {
 	color: black;
diff --git a/cgit.h b/cgit.h
index 362b435..e114a50 100644
--- a/cgit.h
+++ b/cgit.h
@@ -56,4 +56,5 @@ extern char *cgit_querystring;
 extern char *cgit_query_repo;
 extern char *cgit_query_page;
+extern char *cgit_query_search;
 extern char *cgit_query_head;
 extern char *cgit_query_sha1;
@@ -76,4 +77,5 @@ extern void html_txt(char *txt);
 extern void html_ntxt(int len, char *txt);
 extern void html_attr(char *txt);
+extern void html_hidden(char *name, char *value);
 extern void html_link_open(char *url, char *title, char *class);
 extern void html_link_close(void);
@@ -99,5 +101,5 @@ extern void cgit_print_date(unsigned long secs);
 extern void cgit_print_docstart(char *title, struct cacheitem *item);
 extern void cgit_print_docend();
-extern void cgit_print_pageheader(char *title);
+extern void cgit_print_pageheader(char *title, int show_search);
 
 extern void cgit_print_repolist(struct cacheitem *item);
diff --git a/html.c b/html.c
index 3a5d28d..c0b2ed4 100644
--- a/html.c
+++ b/html.c
@@ -118,4 +118,13 @@ void html_attr(char *txt)
 }
 
+void html_hidden(char *name, char *value)
+{
+	html("<input type='hidden' name='");
+	html_attr(name);
+	html("' value='");
+	html_attr(value);
+	html("'/>");
+}
+
 void html_link_open(char *url, char *title, char *class)
 {
@@ -156,2 +165,3 @@ void html_filemode(unsigned short mode)
 	html_fileperm(mode);
 }
+
diff --git a/shared.c b/shared.c
index 18b795b..7def51a 100644
--- a/shared.c
+++ b/shared.c
@@ -37,4 +37,5 @@ char *cgit_query_repo   = NULL;
 char *cgit_query_page   = NULL;
 char *cgit_query_head   = NULL;
+char *cgit_query_search = NULL;
 char *cgit_query_sha1   = NULL;
 char *cgit_query_sha2   = NULL;
@@ -87,4 +88,6 @@ void cgit_querystring_cb(const char *name, const char *value)
 	} else if (!strcmp(name, "p")) {
 		cgit_query_page = xstrdup(value);
+	} else if (!strcmp(name, "q")) {
+		cgit_query_search = xstrdup(value);
 	} else if (!strcmp(name, "h")) {
 		cgit_query_head = xstrdup(value);
diff --git a/ui-repolist.c b/ui-repolist.c
index 7090c12..9f12b18 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -18,5 +18,5 @@ void cgit_print_repolist(struct cacheitem *item)
 	chdir(cgit_root);
 	cgit_print_docstart(cgit_root_title, item);
-	cgit_print_pageheader(cgit_root_title);
+	cgit_print_pageheader(cgit_root_title, 0);
 
 	if (!(d = opendir("."))) {
diff --git a/ui-shared.c b/ui-shared.c
index 9ec4be8..b9c1243 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -61,4 +61,16 @@ char *cgit_pageurl(const char *reponame, const char *pagename,
 }
 
+char *cgit_currurl()
+{
+	if (!cgit_virtual_root)
+		return "./cgit.cgi";
+	else if (cgit_query_page)
+		return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
+	else if (cgit_query_repo)
+		return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
+	else
+		return fmt("%s/", cgit_virtual_root);
+}
+
 
 void cgit_print_date(unsigned long secs)
@@ -99,5 +111,5 @@ void cgit_print_docend()
 }
 
-void cgit_print_pageheader(char *title)
+void cgit_print_pageheader(char *title, int show_search)
 {
 	html("<div id='header'>");
@@ -105,4 +117,18 @@ void cgit_print_pageheader(char *title)
 	htmlf("<img id='logo' src='%s'/>\n", cgit_logo);
 	htmlf("</a>");
+	if (show_search) {
+		html("<form method='get' href='");
+		html_attr(cgit_currurl());
+		html("'>");
+		if (cgit_query_head)
+			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);
+		html("<input type='text' name='q' value='");
+		html_attr(cgit_query_search);
+		html("'/></form>");
+	}
 	if (cgit_query_repo)
 		htmlf("<a href='%s'>", cgit_repourl(cgit_query_repo));