ui-diff: Add link to ignore/show whitespace changes in diffs

Add a link to the "Diffstat" line to ignore/show whitespace changes in the
generated diff.

To support this, cgit_commit_link() and cgit_diff_link() has learned to
preserve the ctx.qry.ignorews variable.

Signed-off-by: Johan Herland <johan@herland.net>

1 files changed, 10 insertions, 0 deletions

diff --git a/ui-shared.c b/ui-shared.c
index c99bcec..f46c935 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -336,32 +336,37 @@ void cgit_commit_link(char *name, const char *title, const char *class,
 		html(delim);
 		html("id=");
 		html_url_arg(rev);
 		delim = "&";
 	}
 	if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
 		html(delim);
 		html("ss=1");
 		delim = "&";
 	}
 	if (ctx.qry.context > 0 && ctx.qry.context != 3) {
 		html(delim);
 		html("context=");
 		htmlf("%d", ctx.qry.context);
 		delim = "&";
 	}
+	if (ctx.qry.ignorews) {
+		html(delim);
+		html("ignorews=1");
+		delim = "&";
+	}
 	html("'>");
 	html_txt(name);
 	html("</a>");
 }
 
 void cgit_refs_link(const char *name, const char *title, const char *class,
 		    const char *head, const char *rev, const char *path)
 {
 	reporevlink("refs", name, title, class, head, rev, path);
 }
 
 void cgit_snapshot_link(const char *name, const char *title, const char *class,
 			const char *head, const char *rev,
 			const char *archivename)
 {
 	reporevlink("snapshot", name, title, class, head, rev, archivename);
@@ -384,32 +389,37 @@ void cgit_diff_link(const char *name, const char *title, const char *class,
 		html(delim);
 		html("id2=");
 		html_url_arg(old_rev);
 		delim = "&amp;";
 	}
 	if ((ctx.qry.ssdiff && !toggle_ssdiff) || (!ctx.qry.ssdiff && toggle_ssdiff)) {
 		html(delim);
 		html("ss=1");
 		delim = "&amp;";
 	}
 	if (ctx.qry.context > 0 && ctx.qry.context != 3) {
 		html(delim);
 		html("context=");
 		htmlf("%d", ctx.qry.context);
 		delim = "&amp;";
 	}
+	if (ctx.qry.ignorews) {
+		html(delim);
+		html("ignorews=1");
+		delim = "&amp;";
+	}
 	html("'>");
 	html_txt(name);
 	html("</a>");
 }
 
 void cgit_patch_link(const char *name, const char *title, const char *class,
 		     const char *head, const char *rev, const char *path)
 {
 	reporevlink("patch", name, title, class, head, rev, path);
 }
 
 void cgit_stats_link(const char *name, const char *title, const char *class,
 		     const char *head, const char *path)
 {
 	reporevlink("stats", name, title, class, head, NULL, path);
 }