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274 lines
5.6 KiB
274 lines
5.6 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <signal.h> |
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#include <stdbool.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include <sys/ttydefaults.h> |
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#include "../browser.h" |
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#include "../keysyms.h" |
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#include "../helpline.h" |
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#include "../ui.h" |
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#include "../util.h" |
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#include "../libslang.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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bool current_entry = ui_browser__is_current_entry(browser, row); |
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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, *arg, browser->width); |
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} |
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static int popup_menu__run(struct ui_browser *menu, int *keyp) |
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{ |
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int key; |
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if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 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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case K_ENTER: |
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key = menu->index; |
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break; |
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case K_LEFT: |
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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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if (keyp) { |
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*keyp = key; |
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key = menu->nr_entries; |
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break; |
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} |
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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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int ui__popup_menu(int argc, char * const argv[], int *keyp) |
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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 popup_menu__run(&menu, keyp); |
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} |
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int ui_browser__input_window(const char *title, const char *text, char *input, |
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const char *exit_msg, int delay_secs) |
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{ |
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int x, y, len, key; |
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int max_len = 60, nr_lines = 0; |
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static char buf[50]; |
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const char *t; |
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t = text; |
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while (1) { |
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const char *sep = strchr(t, '\n'); |
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if (sep == NULL) |
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sep = strchr(t, '\0'); |
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len = sep - t; |
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if (max_len < len) |
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max_len = len; |
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++nr_lines; |
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if (*sep == '\0') |
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break; |
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t = sep + 1; |
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} |
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pthread_mutex_lock(&ui__lock); |
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max_len += 2; |
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nr_lines += 8; |
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y = SLtt_Screen_Rows / 2 - nr_lines / 2; |
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x = SLtt_Screen_Cols / 2 - max_len / 2; |
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SLsmg_set_color(0); |
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SLsmg_draw_box(y, x++, nr_lines, max_len); |
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if (title) { |
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SLsmg_gotorc(y, x + 1); |
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SLsmg_write_string((char *)title); |
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} |
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SLsmg_gotorc(++y, x); |
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nr_lines -= 7; |
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max_len -= 2; |
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SLsmg_write_wrapped_string((unsigned char *)text, y, x, |
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nr_lines, max_len, 1); |
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y += nr_lines; |
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len = 5; |
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while (len--) { |
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SLsmg_gotorc(y + len - 1, x); |
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SLsmg_write_nstring((char *)" ", max_len); |
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} |
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SLsmg_draw_box(y++, x + 1, 3, max_len - 2); |
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SLsmg_gotorc(y + 3, x); |
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SLsmg_write_nstring((char *)exit_msg, max_len); |
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SLsmg_refresh(); |
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pthread_mutex_unlock(&ui__lock); |
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x += 2; |
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len = 0; |
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key = ui__getch(delay_secs); |
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while (key != K_TIMER && key != K_ENTER && key != K_ESC) { |
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pthread_mutex_lock(&ui__lock); |
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if (key == K_BKSPC) { |
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if (len == 0) { |
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pthread_mutex_unlock(&ui__lock); |
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goto next_key; |
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} |
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SLsmg_gotorc(y, x + --len); |
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SLsmg_write_char(' '); |
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} else { |
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buf[len] = key; |
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SLsmg_gotorc(y, x + len++); |
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SLsmg_write_char(key); |
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} |
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SLsmg_refresh(); |
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pthread_mutex_unlock(&ui__lock); |
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/* XXX more graceful overflow handling needed */ |
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if (len == sizeof(buf) - 1) { |
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ui_helpline__push("maximum size of symbol name reached!"); |
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key = K_ENTER; |
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break; |
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} |
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next_key: |
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key = ui__getch(delay_secs); |
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} |
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buf[len] = '\0'; |
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strncpy(input, buf, len+1); |
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return key; |
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} |
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void __ui__info_window(const char *title, const char *text, const char *exit_msg) |
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{ |
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int x, y; |
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int max_len = 0, nr_lines = 0; |
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const char *t; |
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t = text; |
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while (1) { |
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const char *sep = strchr(t, '\n'); |
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int len; |
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if (sep == NULL) |
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sep = strchr(t, '\0'); |
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len = sep - t; |
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if (max_len < len) |
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max_len = len; |
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++nr_lines; |
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if (*sep == '\0') |
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break; |
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t = sep + 1; |
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} |
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max_len += 2; |
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nr_lines += 2; |
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if (exit_msg) |
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nr_lines += 2; |
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y = SLtt_Screen_Rows / 2 - nr_lines / 2, |
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x = SLtt_Screen_Cols / 2 - max_len / 2; |
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SLsmg_set_color(0); |
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SLsmg_draw_box(y, x++, nr_lines, max_len); |
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if (title) { |
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SLsmg_gotorc(y, x + 1); |
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SLsmg_write_string((char *)title); |
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} |
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SLsmg_gotorc(++y, x); |
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if (exit_msg) |
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nr_lines -= 2; |
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max_len -= 2; |
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SLsmg_write_wrapped_string((unsigned char *)text, y, x, |
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nr_lines, max_len, 1); |
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if (exit_msg) { |
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SLsmg_gotorc(y + nr_lines - 2, x); |
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SLsmg_write_nstring((char *)" ", max_len); |
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SLsmg_gotorc(y + nr_lines - 1, x); |
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SLsmg_write_nstring((char *)exit_msg, max_len); |
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} |
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} |
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void ui__info_window(const char *title, const char *text) |
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{ |
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pthread_mutex_lock(&ui__lock); |
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__ui__info_window(title, text, NULL); |
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SLsmg_refresh(); |
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pthread_mutex_unlock(&ui__lock); |
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} |
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int ui__question_window(const char *title, const char *text, |
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const char *exit_msg, int delay_secs) |
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{ |
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pthread_mutex_lock(&ui__lock); |
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__ui__info_window(title, text, exit_msg); |
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SLsmg_refresh(); |
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pthread_mutex_unlock(&ui__lock); |
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return ui__getch(delay_secs); |
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} |
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int ui__help_window(const char *text) |
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{ |
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return ui__question_window("Help", text, "Press any key...", 0); |
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} |
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int ui__dialog_yesno(const char *msg) |
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{ |
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return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0); |
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} |
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static int __ui__warning(const char *title, const char *format, va_list args) |
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{ |
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char *s; |
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if (vasprintf(&s, format, args) > 0) { |
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int key; |
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key = ui__question_window(title, s, "Press any key...", 0); |
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free(s); |
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return key; |
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} |
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fprintf(stderr, "%s\n", title); |
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vfprintf(stderr, format, args); |
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return K_ESC; |
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} |
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static int perf_tui__error(const char *format, va_list args) |
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{ |
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return __ui__warning("Error:", format, args); |
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} |
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static int perf_tui__warning(const char *format, va_list args) |
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{ |
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return __ui__warning("Warning:", format, args); |
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} |
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struct perf_error_ops perf_tui_eops = { |
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.error = perf_tui__error, |
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.warning = perf_tui__warning, |
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};
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