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129 lines
2.5 KiB
129 lines
2.5 KiB
// SPDX-License-Identifier: GPL-2.0 |
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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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static 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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