10c874100SMasahiro Yamada // SPDX-License-Identifier: GPL-2.0+
26f6046cfSSam Ravnborg /*
36f6046cfSSam Ravnborg * yesno.c -- implements the yes/no box
46f6046cfSSam Ravnborg *
56f6046cfSSam Ravnborg * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
66f6046cfSSam Ravnborg * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
76f6046cfSSam Ravnborg */
86f6046cfSSam Ravnborg
96f6046cfSSam Ravnborg #include "dialog.h"
106f6046cfSSam Ravnborg
116f6046cfSSam Ravnborg /*
126f6046cfSSam Ravnborg * Display termination buttons
136f6046cfSSam Ravnborg */
print_buttons(WINDOW * dialog,int height,int width,int selected)146f6046cfSSam Ravnborg static void print_buttons(WINDOW * dialog, int height, int width, int selected)
156f6046cfSSam Ravnborg {
166f6046cfSSam Ravnborg int x = width / 2 - 10;
176f6046cfSSam Ravnborg int y = height - 2;
186f6046cfSSam Ravnborg
19694c49a7SSam Ravnborg print_button(dialog, " Yes ", y, x, selected == 0);
20694c49a7SSam Ravnborg print_button(dialog, " No ", y, x + 13, selected == 1);
216f6046cfSSam Ravnborg
226f6046cfSSam Ravnborg wmove(dialog, y, x + 1 + 13 * selected);
236f6046cfSSam Ravnborg wrefresh(dialog);
246f6046cfSSam Ravnborg }
256f6046cfSSam Ravnborg
266f6046cfSSam Ravnborg /*
276f6046cfSSam Ravnborg * Display a dialog box with two buttons - Yes and No
286f6046cfSSam Ravnborg */
dialog_yesno(const char * title,const char * prompt,int height,int width)296f6046cfSSam Ravnborg int dialog_yesno(const char *title, const char *prompt, int height, int width)
306f6046cfSSam Ravnborg {
316f6046cfSSam Ravnborg int i, x, y, key = 0, button = 0;
326f6046cfSSam Ravnborg WINDOW *dialog;
336f6046cfSSam Ravnborg
34c8dc68adSSam Ravnborg do_resize:
35851f6657SSedat Dilek if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN))
36c8dc68adSSam Ravnborg return -ERRDISPLAYTOOSMALL;
37851f6657SSedat Dilek if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN))
38c8dc68adSSam Ravnborg return -ERRDISPLAYTOOSMALL;
39c8dc68adSSam Ravnborg
406f6046cfSSam Ravnborg /* center dialog box on screen */
414f2de3e1SDirk Gouders x = (getmaxx(stdscr) - width) / 2;
424f2de3e1SDirk Gouders y = (getmaxy(stdscr) - height) / 2;
436f6046cfSSam Ravnborg
446f6046cfSSam Ravnborg draw_shadow(stdscr, y, x, height, width);
456f6046cfSSam Ravnborg
466f6046cfSSam Ravnborg dialog = newwin(height, width, y, x);
476f6046cfSSam Ravnborg keypad(dialog, TRUE);
486f6046cfSSam Ravnborg
4998e5a157SSam Ravnborg draw_box(dialog, 0, 0, height, width,
5098e5a157SSam Ravnborg dlg.dialog.atr, dlg.border.atr);
5198e5a157SSam Ravnborg wattrset(dialog, dlg.border.atr);
526f6046cfSSam Ravnborg mvwaddch(dialog, height - 3, 0, ACS_LTEE);
536f6046cfSSam Ravnborg for (i = 0; i < width - 2; i++)
546f6046cfSSam Ravnborg waddch(dialog, ACS_HLINE);
5598e5a157SSam Ravnborg wattrset(dialog, dlg.dialog.atr);
566f6046cfSSam Ravnborg waddch(dialog, ACS_RTEE);
576f6046cfSSam Ravnborg
586f6046cfSSam Ravnborg print_title(dialog, title, width);
596f6046cfSSam Ravnborg
6098e5a157SSam Ravnborg wattrset(dialog, dlg.dialog.atr);
616f6046cfSSam Ravnborg print_autowrap(dialog, prompt, width - 2, 1, 3);
626f6046cfSSam Ravnborg
636f6046cfSSam Ravnborg print_buttons(dialog, height, width, 0);
646f6046cfSSam Ravnborg
65f3cbcdc9SSam Ravnborg while (key != KEY_ESC) {
666f6046cfSSam Ravnborg key = wgetch(dialog);
676f6046cfSSam Ravnborg switch (key) {
686f6046cfSSam Ravnborg case 'Y':
696f6046cfSSam Ravnborg case 'y':
706f6046cfSSam Ravnborg delwin(dialog);
716f6046cfSSam Ravnborg return 0;
726f6046cfSSam Ravnborg case 'N':
736f6046cfSSam Ravnborg case 'n':
746f6046cfSSam Ravnborg delwin(dialog);
756f6046cfSSam Ravnborg return 1;
766f6046cfSSam Ravnborg
776f6046cfSSam Ravnborg case TAB:
786f6046cfSSam Ravnborg case KEY_LEFT:
796f6046cfSSam Ravnborg case KEY_RIGHT:
806f6046cfSSam Ravnborg button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);
816f6046cfSSam Ravnborg
826f6046cfSSam Ravnborg print_buttons(dialog, height, width, button);
836f6046cfSSam Ravnborg wrefresh(dialog);
846f6046cfSSam Ravnborg break;
856f6046cfSSam Ravnborg case ' ':
866f6046cfSSam Ravnborg case '\n':
876f6046cfSSam Ravnborg delwin(dialog);
886f6046cfSSam Ravnborg return button;
89f3cbcdc9SSam Ravnborg case KEY_ESC:
90f3cbcdc9SSam Ravnborg key = on_key_esc(dialog);
916f6046cfSSam Ravnborg break;
92c8dc68adSSam Ravnborg case KEY_RESIZE:
93c8dc68adSSam Ravnborg delwin(dialog);
94c8dc68adSSam Ravnborg on_key_resize();
95c8dc68adSSam Ravnborg goto do_resize;
966f6046cfSSam Ravnborg }
976f6046cfSSam Ravnborg }
986f6046cfSSam Ravnborg
996f6046cfSSam Ravnborg delwin(dialog);
100f3cbcdc9SSam Ravnborg return key; /* ESC pressed */
1016f6046cfSSam Ravnborg }
102