ui-diff.c: create a control panel for diff options

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

1 files changed, 54 insertions, 29 deletions

diff --git a/ui-diff.c b/ui-diff.c
index a7bc667..b7767b3 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -167,7 +167,7 @@ static void inspect_filepair(struct diff_filepair *pair)
 void cgit_print_diffstat(const unsigned char *old_sha1,
                          const unsigned char *new_sha1, const char *prefix)
 {
-        int i, save_context = ctx.qry.context;
+        int i;
 
         html("<div class='diffstat-header'>");
         cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
@@ -177,19 +177,6 @@ void cgit_print_diffstat(const unsigned char *old_sha1,
                 html_txt(prefix);
                 html("')");
         }
-        html(" (");
-        ctx.qry.context = (save_context > 0 ? save_context : 3) << 1;
-        cgit_self_link("more", NULL, NULL, &ctx);
-        html("/");
-        ctx.qry.context = (save_context > 3 ? save_context : 3) >> 1;
-        cgit_self_link("less", NULL, NULL, &ctx);
-        ctx.qry.context = save_context;
-        html(" context)");
-        html(" (");
-        ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2;
-        cgit_self_link(ctx.qry.ignorews ? "ignore" : "show", NULL, NULL, &ctx);
-        ctx.qry.ignorews = (ctx.qry.ignorews + 1) % 2;
-        html(" whitespace changes)");
         html("</div>");
         html("<table summary='diffstat' class='diffstat'>");
         max_changes = 0;
@@ -278,19 +265,6 @@ static void header(unsigned char *sha1, char *path1, int mode1,
         html("</div>");
 }
 
-static void print_ssdiff_link()
-{
-        if (!strcmp(ctx.qry.page, "diff")) {
-                if (use_ssdiff)
-                        cgit_diff_link("Unidiff", NULL, NULL, ctx.qry.head,
-                                       ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path, 1);
-                else
-                        cgit_diff_link("Side-by-side diff", NULL, NULL,
-                                       ctx.qry.head, ctx.qry.sha1,
-                                       ctx.qry.sha2, ctx.qry.path, 1);
-        }
-}
-
 static void filepair_cb(struct diff_filepair *pair)
 {
         unsigned long old_size = 0;
@@ -330,7 +304,56 @@ static void filepair_cb(struct diff_filepair *pair)
                 cgit_ssdiff_footer();
 }
 
-void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix)
+void cgit_print_diff_ctrls()
+{
+        int i, curr;
+
+        html("<div class='cgit-panel'>");
+        html("<b>diff options</b>");
+        html("<form method='get' action='.'>");
+        cgit_add_hidden_formfields(1, 0, ctx.qry.page);
+        html("<table>");
+        html("<tr><td colspan='2'/></tr>");
+        html("<tr>");
+        html("<td class='label'>context:</td>");
+        html("<td class='ctrl'>");
+        html("<select name='context' onchange='this.form.submit();'>");
+        curr = ctx.qry.context;
+        if (!curr)
+                curr = 3;
+        for (i = 1; i <= 10; i++)
+                html_intoption(i, fmt("%d", i), curr);
+        for (i = 15; i <= 40; i += 5)
+                html_intoption(i, fmt("%d", i), curr);
+        html("</select>");
+        html("</td>");
+        html("</tr><tr>");
+        html("<td class='label'>space:</td>");
+        html("<td class='ctrl'>");
+        html("<select name='ignorews' onchange='this.form.submit();'>");
+        html_intoption(0, "include", ctx.qry.ignorews);
+        html_intoption(1, "ignore", ctx.qry.ignorews);
+        html("</select>");
+        html("</td>");
+        html("</tr><tr>");
+        html("<td class='label'>mode:</td>");
+        html("<td class='ctrl'>");
+        html("<select name='ss' onchange='this.form.submit();'>");
+        curr = ctx.qry.ssdiff;
+        if (!curr && ctx.cfg.ssdiff)
+                curr = 1;
+        html_intoption(0, "unified", curr);
+        html_intoption(1, "ssdiff", curr);
+        html("</select></td></tr>");
+        html("<tr><td/><td class='ctrl'>");
+        html("<noscript><input type='submit' value='reload'/></noscript>");
+        html("</td></tr></table>");
+        html("</form>");
+        html("</div>");
+}
+
+void cgit_print_diff(const char *new_rev, const char *old_rev,
+                     const char *prefix, int show_ctrls)
 {
         enum object_type type;
         unsigned long size;
@@ -369,7 +392,9 @@ 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();
+        if (show_ctrls)
+                cgit_print_diff_ctrls();
+
         cgit_print_diffstat(old_rev_sha1, new_rev_sha1, prefix);
 
         if (use_ssdiff) {