perf ui: Reimplement ui__popup_menu using ui__browser

Right now let it work just like the other browsers: in full screen, at
the top left corner. If people complain we can revisit, I found it OK
and the laziest/quickest approach at reusing the ui_browser ;-)

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-4bgeqizcxh04q0sk24cw43gk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/tools/perf/util/ui/browser.c b/tools/perf/util/ui/browser.c
index 370c4703cec..29c68aee00d 100644
--- a/tools/perf/util/ui/browser.c
+++ b/tools/perf/util/ui/browser.c
@@ -488,6 +488,47 @@ static int ui_browser__color_config(const char *var, const char *value,
         return -1;
 }
 
+void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence)
+{
+        switch (whence) {
+        case SEEK_SET:
+                browser->top = browser->entries;
+                break;
+        case SEEK_CUR:
+                browser->top = browser->top + browser->top_idx + offset;
+                break;
+        case SEEK_END:
+                browser->top = browser->top + browser->nr_entries + offset;
+                break;
+        default:
+                return;
+        }
+}
+
+unsigned int ui_browser__argv_refresh(struct ui_browser *browser)
+{
+        unsigned int row = 0, idx = browser->top_idx;
+        char **pos;
+
+        if (browser->top == NULL)
+                browser->top = browser->entries;
+
+        pos = (char **)browser->top;
+        while (idx < browser->nr_entries) {
+                if (!browser->filter || !browser->filter(browser, *pos)) {
+                        ui_browser__gotorc(browser, row, 0);
+                        browser->write(browser, pos, row);
+                        if (++row == browser->height)
+                                break;
+                }
+
+                ++idx;
+                ++pos;
+        }
+
+        return row;
+}
+
 void ui_browser__init(void)
 {
         int i = 0;