132 lines
2.6 KiB
C
132 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include "util/cache.h"
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#include "util/debug.h"
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#include "ui/browser.h"
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#include "ui/keysyms.h"
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#include "ui/ui.h"
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#include "ui/util.h"
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#include "ui/libslang.h"
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#include "util/header.h"
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#include "util/session.h"
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#include <sys/ttydefaults.h>
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static void ui_browser__argv_write(struct ui_browser *browser,
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void *entry, int row)
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{
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char **arg = entry;
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char *str = *arg;
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char empty[] = " ";
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bool current_entry = ui_browser__is_current_entry(browser, row);
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unsigned long offset = (unsigned long)browser->priv;
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if (offset >= strlen(str))
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str = empty;
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else
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str = str + offset;
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ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
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HE_COLORSET_NORMAL);
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ui_browser__write_nstring(browser, str, browser->width);
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}
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static int list_menu__run(struct ui_browser *menu)
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{
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int key;
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unsigned long offset;
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const char help[] =
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"h/?/F1 Show this window\n"
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"UP/DOWN/PGUP\n"
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"PGDN/SPACE\n"
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"LEFT/RIGHT Navigate\n"
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"q/ESC/CTRL+C Exit browser";
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if (ui_browser__show(menu, "Header information", "Press 'q' to exit") < 0)
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return -1;
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while (1) {
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key = ui_browser__run(menu, 0);
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switch (key) {
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case K_RIGHT:
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offset = (unsigned long)menu->priv;
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offset += 10;
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menu->priv = (void *)offset;
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continue;
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case K_LEFT:
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offset = (unsigned long)menu->priv;
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if (offset >= 10)
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offset -= 10;
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menu->priv = (void *)offset;
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continue;
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case K_F1:
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case 'h':
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case '?':
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ui_browser__help_window(menu, help);
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continue;
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case K_ESC:
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case 'q':
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case CTRL('c'):
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key = -1;
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break;
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default:
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continue;
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}
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break;
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}
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ui_browser__hide(menu);
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return key;
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}
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static int ui__list_menu(int argc, char * const argv[])
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{
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struct ui_browser menu = {
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.entries = (void *)argv,
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.refresh = ui_browser__argv_refresh,
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.seek = ui_browser__argv_seek,
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.write = ui_browser__argv_write,
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.nr_entries = argc,
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};
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return list_menu__run(&menu);
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}
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int tui__header_window(struct perf_env *env)
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{
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int i, argc = 0;
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char **argv;
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struct perf_session *session;
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char *ptr, *pos;
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size_t size;
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FILE *fp = open_memstream(&ptr, &size);
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session = container_of(env, struct perf_session, header.env);
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perf_header__fprintf_info(session, fp, true);
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fclose(fp);
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for (pos = ptr, argc = 0; (pos = strchr(pos, '\n')) != NULL; pos++)
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argc++;
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argv = calloc(argc + 1, sizeof(*argv));
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if (argv == NULL)
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goto out;
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argv[0] = pos = ptr;
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for (i = 1; (pos = strchr(pos, '\n')) != NULL; i++) {
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*pos++ = '\0';
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argv[i] = pos;
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}
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BUG_ON(i != argc + 1);
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ui__list_menu(argc, argv);
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out:
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free(argv);
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free(ptr);
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return 0;
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}
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