4 files changed, 96 insertions, 30 deletions

diff --git a/cgit.css b/cgit.css
index bf58b8a..3f37165 100644
--- a/cgit.css
+++ b/cgit.css
@@ -599,40 +599,94 @@ table.hgraph td {
 
 table.hgraph div.bar {
         background-color: #eee;
         height: 1em;
 }
 
+table.ssdiff {
+        width: 100%;
+}
+
+table.ssdiff td {
+        font-size: 75%;
+        font-family: monospace;
+        white-space: pre;
+        padding: 1px 4px 1px 4px;
+        border-left: solid 1px #aaa;
+        border-right: solid 1px #aaa;
+}
+
 table.ssdiff td.add {
         color: black;
-        background: #afa;
+        background: #cfc;
+        min-width: 50%;
 }
 
 table.ssdiff td.add_dark {
         color: black;
-        background: #9c9;
+        background: #aca;
+        min-width: 50%;
 }
 
 table.ssdiff td.del {
         color: black;
-        background: #faa;
+        background: #fcc;
+        min-width: 50%;
 }
 
 table.ssdiff td.del_dark {
         color: black;
-        background: #c99;
+        background: #caa;
+        min-width: 50%;
 }
 
 table.ssdiff td.changed {
         color: black;
-        background: #ffa;
+        background: #ffc;
+        min-width: 50%;
 }
 
 table.ssdiff td.changed_dark {
         color: black;
-        background: #cc9;
+        background: #cca;
+        min-width: 50%;
+}
+
+table.ssdiff td.lineno {
+        color: black;
+        background: #eee;
+        text-align: right;
+        width: 3em;
+        min-width: 3em;
 }
 
 table.ssdiff td.hunk {
         color: #black;
         background: #ccf;
+        border-top: solid 1px #aaa;
+        border-bottom: solid 1px #aaa;
 }
+
+table.ssdiff td.head {
+        border-top: solid 1px #aaa;
+        border-bottom: solid 1px #aaa;
+}
+
+table.ssdiff td.head div.head {
+        font-weight: bold;
+        color: black;
+}
+
+table.ssdiff td.foot {
+        border-top: solid 1px #aaa;
+        border-left: none;
+        border-right: none;
+        border-bottom: none;
+}
+
+table.ssdiff td.space {
+        border: none;
+}
+
+table.ssdiff td.space div {
+        min-height: 3em;
+}
\ No newline at end of file
diff --git a/ui-diff.c b/ui-diff.c
index 42e81ac..b21c2c1 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -243,14 +243,12 @@ static void header(unsigned char *sha1, char *path1, int mode1,
                         cgit_tree_link(path2, NULL, NULL, ctx.qry.head,
                                        sha1_to_hex(new_rev_sha1), path2);
                 else
                         html_txt(path2);
         }
         html("</div>");
-        if (use_ssdiff)
-                cgit_ssdiff_header();
 }
 
 static void print_ssdiff_link()
 {
         if (!strcmp(ctx.qry.page, "diff")) {
                 if (use_ssdiff)
@@ -267,30 +265,32 @@ static void filepair_cb(struct diff_filepair *pair)
 {
         unsigned long old_size = 0;
         unsigned long new_size = 0;
         int binary = 0;
         linediff_fn print_line_fn = print_line;
 
-        header(pair->one->sha1, pair->one->path, pair->one->mode,
-               pair->two->sha1, pair->two->path, pair->two->mode);
         if (use_ssdiff) {
-                cgit_ssdiff_header();
+                cgit_ssdiff_header_begin();
                 print_line_fn = cgit_ssdiff_line_cb;
         }
+        header(pair->one->sha1, pair->one->path, pair->one->mode,
+               pair->two->sha1, pair->two->path, pair->two->mode);
+        if (use_ssdiff)
+                cgit_ssdiff_header_end();
         if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) {
                 if (S_ISGITLINK(pair->one->mode))
-                        print_line(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
+                        print_line_fn(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52);
                 if (S_ISGITLINK(pair->two->mode))
-                        print_line(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
+                        print_line_fn(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52);
                 return;
         }
         if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
                             &new_size, &binary, print_line_fn))
                 cgit_print_error("Error running diff");
         if (binary)
-                html("Binary files differ");
+                print_line_fn(" Binary files differ", 20);
         if (use_ssdiff)
                 cgit_ssdiff_footer();
 }
 
 void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix)
 {
@@ -331,12 +331,17 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
         if ((ctx.qry.ssdiff && !ctx.cfg.ssdiff) || (!ctx.qry.ssdiff && ctx.cfg.ssdiff))
                 use_ssdiff = 1;
 
         print_ssdiff_link();
         cgit_print_diffstat(old_rev_sha1, new_rev_sha1);
 
-        html("<table summary='diff' class='diff'>");
-        html("<tr><td>");
+        if (use_ssdiff) {
+                html("<table summary='ssdiff' class='ssdiff'>");
+        } else {
+                html("<table summary='diff' class='diff'>");
+                html("<tr><td>");
+        }
         cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix);
-        html("</td></tr>");
+        if (!use_ssdiff)
+                html("</td></tr>");
         html("</table>");
 }
diff --git a/ui-ssdiff.c b/ui-ssdiff.c
index 3591ab4..8215051 100644
--- a/ui-ssdiff.c
+++ b/ui-ssdiff.c
@@ -37,28 +37,28 @@ static int line_from_hunk(char *line, char type)
 }
 
 static char *replace_tabs(char *line)
 {
         char *prev_buf = line;
         char *cur_buf;
-        int linelen = strlen(line);
+        int linelen = strlen(line);
         int n_tabs = 0;
-        int i;
+        int i;
         char *result;
         char *spaces = "        ";
 
         if (linelen == 0) {
                 result = xmalloc(1);
                 result[0] = '\0';
                 return result;
         }
 
-        for (i = 0; i < linelen; i++)
+        for (i = 0; i < linelen; i++)
                 if (line[i] == '\t')
                         n_tabs += 1;
-        result = xmalloc(linelen + n_tabs * 8 + 1);
+        result = xmalloc(linelen + n_tabs * 8 + 1);
         result[0] = '\0';
 
         while (1) {
                 cur_buf = strchr(prev_buf, '\t');
                 if (!cur_buf) {
                         strcat(result, prev_buf);
@@ -103,30 +103,30 @@ static void deferred_new_add(char *line, int line_no)
 
 static void print_ssdiff_line(char *class, int old_line_no, char *old_line,
                               int new_line_no, char *new_line)
 {
         html("<tr>");
         if (old_line_no > 0)
-                htmlf("<td class='%s'>%d </td><td class='%s'>", class,
+                htmlf("<td class='lineno'>%d</td><td class='%s'>",
                       old_line_no, class);
         else
-                htmlf("<td class='%s_dark'>  </td><td class='%s_dark'>", class, class);
+                htmlf("<td class='lineno'></td><td class='%s_dark'>", class);
 
         if (old_line) {
                 old_line = replace_tabs(old_line + 1);
                 html_txt(old_line);
                 free(old_line);
         }
 
-        html("  </td>");
+        html("</td>");
 
         if (new_line_no > 0)
-                htmlf("<td class='%s'>  %d </td><td class='%s'>", class,
+                htmlf("<td class='lineno'>%d</td><td class='%s'>",
                       new_line_no, class);
         else
-                htmlf("<td class='%s_dark'>  </td><td class='%s_dark'>", class, class);
+                htmlf("<td class='lineno'></td><td class='%s_dark'>", class);
 
         if (new_line) {
                 new_line = replace_tabs(new_line + 1);
                 html_txt(new_line);
                 free(new_line);
         }
@@ -246,19 +246,25 @@ void cgit_ssdiff_line_cb(char *line, int len)
                 html_txt(line);
                 html("</td></tr>");
         }
         line[len - 1] = c;
 }
 
-void cgit_ssdiff_header()
+void cgit_ssdiff_header_begin()
 {
         current_old_line = 0;
         current_new_line = 0;
-        html("<table class='ssdiff'>");
+        html("<tr><td class='space' colspan='4'><div></div></td></tr>");
+        html("<tr><td class='head' colspan='4'>");
+}
+
+void cgit_ssdiff_header_end()
+{
+        html("</td><tr>");
 }
 
 void cgit_ssdiff_footer()
 {
         if (deferred_old || deferred_new)
                 cgit_ssdiff_print_deferred_lines();
-        html("</table>");
+        html("<tr><td class='foot' colspan='4'></td></tr>");
 }
diff --git a/ui-ssdiff.h b/ui-ssdiff.h
index a0b1efe..64b4b12 100644
--- a/ui-ssdiff.h
+++ b/ui-ssdiff.h
@@ -2,11 +2,12 @@
 #define UI_SSDIFF_H
 
 extern void cgit_ssdiff_print_deferred_lines();
 
 extern void cgit_ssdiff_line_cb(char *line, int len);
 
-extern void cgit_ssdiff_header();
+extern void cgit_ssdiff_header_begin();
+extern void cgit_ssdiff_header_end();
 
 extern void cgit_ssdiff_footer();
 
 #endif /* UI_SSDIFF_H */