perf ui browser: Return the exit key in all browsers
authorArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 11 Aug 2010 13:07:43 +0000 (10:07 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Thu, 19 Aug 2010 22:39:52 +0000 (19:39 -0300)
Make all browsers return the exit key uniformly and remove the
newtExitStruct parameter, removing one more newt specific thing from the
ui API.

Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-annotate.c
tools/perf/util/ui/browser.c
tools/perf/util/ui/browser.h
tools/perf/util/ui/browsers/annotate.c
tools/perf/util/ui/browsers/hists.c
tools/perf/util/ui/browsers/map.c
tools/perf/util/util.h

index 1478dc6..20ee21d 100644 (file)
@@ -321,7 +321,7 @@ static int hist_entry__tty_annotate(struct hist_entry *he)
 
 static void hists__find_annotations(struct hists *self)
 {
-       struct rb_node *first = rb_first(&self->entries), *nd = first;
+       struct rb_node *nd = rb_first(&self->entries), *next;
        int key = KEY_RIGHT;
 
        while (nd) {
@@ -343,20 +343,19 @@ find_next:
 
                if (use_browser > 0) {
                        key = hist_entry__tui_annotate(he);
-                       if (is_exit_key(key))
-                               break;
                        switch (key) {
                        case KEY_RIGHT:
-                       case '\t':
-                               nd = rb_next(nd);
+                               next = rb_next(nd);
                                break;
                        case KEY_LEFT:
-                               if (nd == first)
-                                       continue;
-                               nd = rb_prev(nd);
-                       default:
+                               next = rb_prev(nd);
                                break;
+                       default:
+                               return;
                        }
+
+                       if (next != NULL)
+                               nd = next;
                } else {
                        hist_entry__tty_annotate(he);
                        nd = rb_next(nd);
index d237410..669a980 100644 (file)
@@ -204,21 +204,21 @@ int ui_browser__refresh(struct ui_browser *self)
        return 0;
 }
 
-int ui_browser__run(struct ui_browser *self, struct newtExitStruct *es)
+int ui_browser__run(struct ui_browser *self)
 {
+       struct newtExitStruct es;
+
        if (ui_browser__refresh(self) < 0)
                return -1;
 
        while (1) {
                off_t offset;
 
-               newtFormRun(self->form, es);
+               newtFormRun(self->form, &es);
 
-               if (es->reason != NEWT_EXIT_HOTKEY)
+               if (es.reason != NEWT_EXIT_HOTKEY)
                        break;
-               if (is_exit_key(es->u.key))
-                       return es->u.key;
-               switch (es->u.key) {
+               switch (es.u.key) {
                case NEWT_KEY_DOWN:
                        if (self->index == self->nr_entries - 1)
                                break;
@@ -275,12 +275,12 @@ int ui_browser__run(struct ui_browser *self, struct newtExitStruct *es)
                        self->seek(self, -offset, SEEK_END);
                        break;
                default:
-                       return es->u.key;
+                       return es.u.key;
                }
                if (ui_browser__refresh(self) < 0)
                        return -1;
        }
-       return 0;
+       return -1;
 }
 
 unsigned int ui_browser__list_head_refresh(struct ui_browser *self)
index 27c23c2..332a675 100644 (file)
@@ -37,7 +37,7 @@ int ui_browser__show(struct ui_browser *self, const char *title,
                     const char *helpline, ...);
 void ui_browser__hide(struct ui_browser *self);
 int ui_browser__refresh(struct ui_browser *self);
-int ui_browser__run(struct ui_browser *self, struct newtExitStruct *es);
+int ui_browser__run(struct ui_browser *self);
 
 void ui_browser__rb_tree_seek(struct ui_browser *self, off_t offset, int whence);
 unsigned int ui_browser__rb_tree_refresh(struct ui_browser *self);
index a00d529..a8bc2c0 100644 (file)
@@ -133,14 +133,14 @@ static void annotate_browser__set_top(struct annotate_browser *self,
        self->curr_hot = nd;
 }
 
-static int annotate_browser__run(struct annotate_browser *self,
-                                struct newtExitStruct *es)
+static int annotate_browser__run(struct annotate_browser *self)
 {
        struct rb_node *nd;
        struct hist_entry *he = self->b.priv;
+       int key;
 
        if (ui_browser__show(&self->b, he->ms.sym->name,
-                            "<- or ESC: exit, TAB/shift+TAB: cycle thru samples") < 0)
+                            "<-, -> or ESC: exit, TAB/shift+TAB: cycle thru samples") < 0)
                return -1;
 
        newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
@@ -153,12 +153,9 @@ static int annotate_browser__run(struct annotate_browser *self,
        }
 
        while (1) {
-               ui_browser__run(&self->b, es);
+               key = ui_browser__run(&self->b);
 
-               if (es->reason != NEWT_EXIT_HOTKEY)
-                       break;
-
-               switch (es->u.key) {
+               switch (key) {
                case NEWT_KEY_TAB:
                        nd = rb_prev(nd);
                        if (nd == NULL)
@@ -177,12 +174,11 @@ static int annotate_browser__run(struct annotate_browser *self,
        }
 out:
        ui_browser__hide(&self->b);
-       return es->u.key;
+       return key;
 }
 
 int hist_entry__tui_annotate(struct hist_entry *self)
 {
-       struct newtExitStruct es;
        struct objdump_line *pos, *n;
        struct objdump_line_rb_node *rbpos;
        LIST_HEAD(head);
@@ -230,7 +226,7 @@ int hist_entry__tui_annotate(struct hist_entry *self)
                annotate_browser__set_top(&browser, browser.curr_hot);
 
        browser.b.width += 18; /* Percentage */
-       ret = annotate_browser__run(&browser, &es);
+       ret = annotate_browser__run(&browser);
        list_for_each_entry_safe(pos, n, &head, node) {
                list_del(&pos->node);
                objdump_line__free(pos);
index 5723091..1735c48 100644 (file)
@@ -195,9 +195,9 @@ static bool hist_browser__toggle_fold(struct hist_browser *self)
        return false;
 }
 
-static int hist_browser__run(struct hist_browser *self, const char *title,
-                            struct newtExitStruct *es)
+static int hist_browser__run(struct hist_browser *self, const char *title)
 {
+       int key;
        char str[256], unit;
        unsigned long nr_events = self->hists->stats.nr_events[PERF_RECORD_SAMPLE];
 
@@ -227,11 +227,9 @@ static int hist_browser__run(struct hist_browser *self, const char *title,
        newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER);
 
        while (1) {
-               ui_browser__run(&self->b, es);
+               key = ui_browser__run(&self->b);
 
-               if (es->reason != NEWT_EXIT_HOTKEY)
-                       break;
-               switch (es->u.key) {
+               switch (key) {
                case 'D': { /* Debug */
                        static int seq;
                        struct hist_entry *h = rb_entry(self->b.top,
@@ -251,12 +249,12 @@ static int hist_browser__run(struct hist_browser *self, const char *title,
                                break;
                        /* fall thru */
                default:
-                       return 0;
+                       goto out;
                }
        }
-
+out:
        ui_browser__hide(&self->b);
-       return 0;
+       return key;
 }
 
 static char *callchain_list__sym_name(struct callchain_list *self,
@@ -687,8 +685,6 @@ static struct hist_browser *hist_browser__new(struct hists *hists)
 
 static void hist_browser__delete(struct hist_browser *self)
 {
-       newtFormDestroy(self->b.form);
-       newtPopWindow();
        free(self);
 }
 
@@ -725,7 +721,6 @@ int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
        struct pstack *fstack;
        const struct thread *thread_filter = NULL;
        const struct dso *dso_filter = NULL;
-       struct newtExitStruct es;
        char msg[160];
        int key = -1;
 
@@ -749,70 +744,63 @@ int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
                    annotate = -2, zoom_dso = -2, zoom_thread = -2,
                    browse_map = -2;
 
-               if (hist_browser__run(browser, msg, &es))
-                       break;
+               key = hist_browser__run(browser, msg);
 
                thread = hist_browser__selected_thread(browser);
                dso = browser->selection->map ? browser->selection->map->dso : NULL;
 
-               if (es.reason == NEWT_EXIT_HOTKEY) {
-                       key = es.u.key;
-
-                       switch (key) {
-                       case NEWT_KEY_F1:
-                               goto do_help;
-                       case NEWT_KEY_TAB:
-                       case NEWT_KEY_UNTAB:
-                               /*
-                                * Exit the browser, let hists__browser_tree
-                                * go to the next or previous
-                                */
-                               goto out_free_stack;
-                       default:;
-                       }
-
-                       switch (key) {
-                       case 'a':
-                               if (browser->selection->map == NULL &&
-                                   browser->selection->map->dso->annotate_warned)
-                                       continue;
-                               goto do_annotate;
-                       case 'd':
-                               goto zoom_dso;
-                       case 't':
-                               goto zoom_thread;
-                       case 'h':
-                       case '?':
-do_help:
-                               ui__help_window("->        Zoom into DSO/Threads & Annotate current symbol\n"
-                                               "<-        Zoom out\n"
-                                               "a         Annotate current symbol\n"
-                                               "h/?/F1    Show this window\n"
-                                               "d         Zoom into current DSO\n"
-                                               "t         Zoom into current Thread\n"
-                                               "q/CTRL+C  Exit browser");
+               switch (key) {
+               case NEWT_KEY_F1:
+                       goto do_help;
+               case NEWT_KEY_TAB:
+               case NEWT_KEY_UNTAB:
+                       /*
+                        * Exit the browser, let hists__browser_tree
+                        * go to the next or previous
+                        */
+                       goto out_free_stack;
+               case 'a':
+                       if (browser->selection->map == NULL &&
+                           browser->selection->map->dso->annotate_warned)
                                continue;
-                       default:;
-                       }
-                       if (is_exit_key(key)) {
-                               if (key == NEWT_KEY_ESCAPE &&
-                                   !ui__dialog_yesno("Do you really want to exit?"))
-                                       continue;
-                               break;
-                       }
-
-                       if (es.u.key == NEWT_KEY_LEFT) {
-                               const void *top;
+                       goto do_annotate;
+               case 'd':
+                       goto zoom_dso;
+               case 't':
+                       goto zoom_thread;
+               case 'h':
+               case '?':
+do_help:
+                       ui__help_window("->        Zoom into DSO/Threads & Annotate current symbol\n"
+                                       "<-        Zoom out\n"
+                                       "a         Annotate current symbol\n"
+                                       "h/?/F1    Show this window\n"
+                                       "d         Zoom into current DSO\n"
+                                       "t         Zoom into current Thread\n"
+                                       "q/CTRL+C  Exit browser");
+                       continue;
+               case NEWT_KEY_ENTER:
+               case NEWT_KEY_RIGHT:
+                       /* menu */
+                       break;
+               case NEWT_KEY_LEFT: {
+                       const void *top;
 
-                               if (pstack__empty(fstack))
-                                       continue;
-                               top = pstack__pop(fstack);
-                               if (top == &dso_filter)
-                                       goto zoom_out_dso;
-                               if (top == &thread_filter)
-                                       goto zoom_out_thread;
+                       if (pstack__empty(fstack))
                                continue;
-                       }
+                       top = pstack__pop(fstack);
+                       if (top == &dso_filter)
+                               goto zoom_out_dso;
+                       if (top == &thread_filter)
+                               goto zoom_out_thread;
+                       continue;
+               }
+               case NEWT_KEY_ESCAPE:
+                       if (!ui__dialog_yesno("Do you really want to exit?"))
+                               continue;
+                       /* Fall thru */
+               default:
+                       goto out_free_stack;
                }
 
                if (browser->selection->sym != NULL &&
@@ -925,10 +913,6 @@ int hists__tui_browse_tree(struct rb_root *self, const char *help)
                const char *ev_name = __event_name(hists->type, hists->config);
 
                key = hists__browse(hists, help, ev_name);
-
-               if (is_exit_key(key))
-                       break;
-
                switch (key) {
                case NEWT_KEY_TAB:
                        next = rb_next(nd);
@@ -940,7 +924,7 @@ int hists__tui_browse_tree(struct rb_root *self, const char *help)
                                continue;
                        nd = rb_prev(nd);
                default:
-                       break;
+                       return key;
                }
        }
 
index 733daba..16b7d70 100644 (file)
@@ -97,31 +97,34 @@ static int map_browser__search(struct map_browser *self)
        return 0;
 }
 
-static int map_browser__run(struct map_browser *self, struct newtExitStruct *es)
+static int map_browser__run(struct map_browser *self)
 {
+       int key;
+
        if (ui_browser__show(&self->b, self->map->dso->long_name,
                             "Press <- or ESC to exit, %s / to search",
                             verbose ? "" : "restart with -v to use") < 0)
                return -1;
 
        newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
-       newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER);
+       newtFormAddHotKey(self->b.form, NEWT_KEY_ESCAPE);
+       newtFormAddHotKey(self->b.form, 'Q');
+       newtFormAddHotKey(self->b.form, 'q');
+       newtFormAddHotKey(self->b.form, CTRL('c'));
        if (verbose)
                newtFormAddHotKey(self->b.form, '/');
 
        while (1) {
-               ui_browser__run(&self->b, es);
+               key = ui_browser__run(&self->b);
 
-               if (es->reason != NEWT_EXIT_HOTKEY)
-                       break;
-               if (verbose && es->u.key == '/')
+               if (verbose && key == '/')
                        map_browser__search(self);
                else
                        break;
        }
 
        ui_browser__hide(&self->b);
-       return 0;
+       return key;
 }
 
 int map__browse(struct map *self)
@@ -135,7 +138,6 @@ int map__browse(struct map *self)
                },
                .map = self,
        };
-       struct newtExitStruct es;
        struct rb_node *nd;
        char tmp[BITS_PER_LONG / 4];
        u64 maxaddr = 0;
@@ -156,5 +158,5 @@ int map__browse(struct map *self)
 
        mb.addrlen = snprintf(tmp, sizeof(tmp), "%llx", maxaddr);
        mb.b.width += mb.addrlen * 2 + 4 + mb.namelen;
-       return map_browser__run(&mb, &es);
+       return map_browser__run(&mb);
 }
index f380fed..7562707 100644 (file)
@@ -266,19 +266,6 @@ bool strglobmatch(const char *str, const char *pat);
 bool strlazymatch(const char *str, const char *pat);
 unsigned long convert_unit(unsigned long value, char *unit);
 
-#ifndef ESC
-#define ESC 27
-#endif
-
-static inline bool is_exit_key(int key)
-{
-       char up;
-       if (key == CTRL('c') || key == ESC)
-               return true;
-       up = toupper(key);
-       return up == 'Q';
-}
-
 #define _STR(x) #x
 #define STR(x) _STR(x)