diff options
Diffstat (limited to 'tools/perf/ui/browser.c')
| -rw-r--r-- | tools/perf/ui/browser.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index 19503e838738..321187b204d3 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -233,6 +233,14 @@ int ui_browser__warning(struct ui_browser *browser, int timeout, return key; } +int ui_browser__warn_unhandled_hotkey(struct ui_browser *browser, int key, int timeout, const char *help) +{ + char kname[32]; + + key_name(key, kname, sizeof(kname)); + return ui_browser__warning(browser, timeout, "\n'%s' key not associated%s!\n", kname, help ?: ""); +} + int ui_browser__help_window(struct ui_browser *browser, const char *text) { int key; @@ -451,6 +459,8 @@ int ui_browser__run(struct ui_browser *browser, int delay_secs) goto out; if (browser->horiz_scroll != 0) --browser->horiz_scroll; + else + goto out; break; case K_PGDN: case ' ': @@ -503,6 +513,9 @@ unsigned int ui_browser__list_head_refresh(struct ui_browser *browser) struct list_head *head = browser->entries; int row = 0; + if (browser->nr_entries == 0) + return 0; + if (browser->top == NULL || browser->top == browser->entries) browser->top = ui_browser__list_head_filter_entries(browser, head->next); |