diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-10-20 16:59:15 -0200 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-10-20 16:59:15 -0200 |
commit | cf9580036a830f9e95f32dbcedfc57ea1697f120 (patch) | |
tree | cad288bb3c8d10fca08210a2d68cf271a269ccee /tools/perf/util/ui/browser.c | |
parent | 29208e573a9409ee56599cc0157f31b42c7a0235 (diff) |
perf ui browser: Use libslang to read keys
Just another step in stopping the use of libnewt in perf.
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-uy6s534uqxq8tenh6s3k8ocj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/ui/browser.c')
-rw-r--r-- | tools/perf/util/ui/browser.c | 79 |
1 files changed, 53 insertions, 26 deletions
diff --git a/tools/perf/util/ui/browser.c b/tools/perf/util/ui/browser.c index 06fc9ebd8d3f..5359f371d30a 100644 --- a/tools/perf/util/ui/browser.c +++ b/tools/perf/util/ui/browser.c @@ -11,10 +11,9 @@ #include <sys/ttydefaults.h> #include "browser.h" #include "helpline.h" +#include "keysyms.h" #include "../color.h" -int newtGetKey(void); - static int ui_browser__percent_color(struct ui_browser *browser, double percent, bool current) { @@ -292,16 +291,55 @@ void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries) browser->seek(browser, browser->top_idx, SEEK_SET); } +static int ui__getch(int delay_secs) +{ + struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL; + fd_set read_set; + int err, key; + + FD_ZERO(&read_set); + FD_SET(0, &read_set); + + if (delay_secs) { + timeout.tv_sec = delay_secs; + timeout.tv_usec = 0; + } + + err = select(1, &read_set, NULL, NULL, ptimeout); + + if (err == 0) + return K_TIMER; + + if (err == -1) { + if (errno == EINTR) + return K_RESIZE; + return K_ERROR; + } + + key = SLang_getkey(); + if (key != K_ESC) + return key; + + FD_ZERO(&read_set); + FD_SET(0, &read_set); + timeout.tv_sec = 0; + timeout.tv_usec = 20; + err = select(1, &read_set, NULL, NULL, &timeout); + if (err == 0) + return K_ESC; + + SLang_ungetkey(key); + return SLkp_getkey(); +} + int ui_browser__run(struct ui_browser *self, int delay_secs) { int err, key; - struct timeval timeout, *ptimeout = delay_secs ? &timeout : NULL; pthread__unblock_sigwinch(); while (1) { off_t offset; - fd_set read_set; pthread_mutex_lock(&ui__lock); err = __ui_browser__refresh(self); @@ -310,20 +348,9 @@ int ui_browser__run(struct ui_browser *self, int delay_secs) if (err < 0) break; - FD_ZERO(&read_set); - FD_SET(0, &read_set); + key = ui__getch(delay_secs); - if (delay_secs) { - timeout.tv_sec = delay_secs; - timeout.tv_usec = 0; - } - - err = select(1, &read_set, NULL, NULL, ptimeout); - if (err > 0 && FD_ISSET(0, &read_set)) - key = newtGetKey(); - else if (err == 0) - break; - else { + if (key == K_RESIZE) { pthread_mutex_lock(&ui__lock); SLtt_get_screen_size(); SLsmg_reinit_smg(); @@ -335,9 +362,9 @@ int ui_browser__run(struct ui_browser *self, int delay_secs) } if (self->use_navkeypressed && !self->navkeypressed) { - if (key == NEWT_KEY_DOWN || key == NEWT_KEY_UP || - key == NEWT_KEY_PGDN || key == NEWT_KEY_PGUP || - key == NEWT_KEY_HOME || key == NEWT_KEY_END || + if (key == K_DOWN || key == K_UP || + key == K_PGDN || key == K_PGUP || + key == K_HOME || key == K_END || key == ' ') { self->navkeypressed = true; continue; @@ -346,7 +373,7 @@ int ui_browser__run(struct ui_browser *self, int delay_secs) } switch (key) { - case NEWT_KEY_DOWN: + case K_DOWN: if (self->index == self->nr_entries - 1) break; ++self->index; @@ -355,7 +382,7 @@ int ui_browser__run(struct ui_browser *self, int delay_secs) self->seek(self, +1, SEEK_CUR); } break; - case NEWT_KEY_UP: + case K_UP: if (self->index == 0) break; --self->index; @@ -364,7 +391,7 @@ int ui_browser__run(struct ui_browser *self, int delay_secs) self->seek(self, -1, SEEK_CUR); } break; - case NEWT_KEY_PGDN: + case K_PGDN: case ' ': if (self->top_idx + self->height > self->nr_entries - 1) break; @@ -376,7 +403,7 @@ int ui_browser__run(struct ui_browser *self, int delay_secs) self->top_idx += offset; self->seek(self, +offset, SEEK_CUR); break; - case NEWT_KEY_PGUP: + case K_PGUP: if (self->top_idx == 0) break; @@ -389,10 +416,10 @@ int ui_browser__run(struct ui_browser *self, int delay_secs) self->top_idx -= offset; self->seek(self, -offset, SEEK_CUR); break; - case NEWT_KEY_HOME: + case K_HOME: ui_browser__reset_index(self); break; - case NEWT_KEY_END: + case K_END: offset = self->height - 1; if (offset >= self->nr_entries) offset = self->nr_entries - 1; |