perf ui: Move objdump_line specific stuff out of ui_browser

By adding a ui_browser->refresh_entries() pure virtual member.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/newt.c b/tools/perf/util/newt.c
index 9fa5b20..7bdbfd3 100644 (file)
--- a/tools/perf/util/newt.c
+++ b/tools/perf/util/newt.c
@@ -267,6 +267,7 @@ struct ui_browser {
        void            *first_visible_entry, *entries;
        u16             top, left, width, height;
        void            *priv;
+       unsigned int    (*refresh_entries)(struct ui_browser *self);
        void            (*seek)(struct ui_browser *self,
                                off_t offset, int whence);
        u32             nr_entries;
@@ -405,26 +406,10 @@ static int objdump_line__show(struct objdump_line *self, struct list_head *head,
 
 static int ui_browser__refresh_entries(struct ui_browser *self)
 {
-       struct objdump_line *pos;
-       struct list_head *head = self->entries;
-       struct hist_entry *he = self->priv;
-       int row = 0;
-       int len = he->ms.sym->end - he->ms.sym->start;
-
-       if (self->first_visible_entry == NULL || self->first_visible_entry == self->entries)
-                self->first_visible_entry = head->next;
-
-       pos = list_entry(self->first_visible_entry, struct objdump_line, node);
-
-       list_for_each_entry_from(pos, head, node) {
-               bool current_entry = ui_browser__is_current_entry(self, row);
-               SLsmg_gotorc(self->top + row, self->left);
-               objdump_line__show(pos, head, self->width,
-                                  he, len, current_entry);
-               if (++row == self->height)
-                       break;
-       }
+       int row;
 
+       newtScrollbarSet(self->sb, self->index, self->nr_entries - 1);
+       row = self->refresh_entries(self);
        SLsmg_set_color(HE_COLORSET_NORMAL);
        SLsmg_fill_region(self->top + row, self->left,
                          self->height - row, self->width, ' ');
@@ -557,6 +542,31 @@ static char *callchain_list__sym_name(struct callchain_list *self,
        return bf;
 }
 
+static unsigned int hist_entry__annotate_browser_refresh(struct ui_browser *self)
+{
+       struct objdump_line *pos;
+       struct list_head *head = self->entries;
+       struct hist_entry *he = self->priv;
+       int row = 0;
+       int len = he->ms.sym->end - he->ms.sym->start;
+
+       if (self->first_visible_entry == NULL || self->first_visible_entry == self->entries)
+                self->first_visible_entry = head->next;
+
+       pos = list_entry(self->first_visible_entry, struct objdump_line, node);
+
+       list_for_each_entry_from(pos, head, node) {
+               bool current_entry = ui_browser__is_current_entry(self, row);
+               SLsmg_gotorc(self->top + row, self->left);
+               objdump_line__show(pos, head, self->width,
+                                  he, len, current_entry);
+               if (++row == self->height)
+                       break;
+       }
+
+       return row;
+}
+
 static void __callchain__append_graph_browser(struct callchain_node *self,
                                              newtComponent tree, u64 total,
                                              int *indexes, int depth)
@@ -720,6 +730,7 @@ int hist_entry__tui_annotate(struct hist_entry *self)
 
        memset(&browser, 0, sizeof(browser));
        browser.entries         = &head;
+       browser.refresh_entries = hist_entry__annotate_browser_refresh;
        browser.seek            = ui_browser__list_head_seek;
        browser.priv = self;
        list_for_each_entry(pos, &head, node) {