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101 lines
2.2 KiB
101 lines
2.2 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* yesno.c -- implements the yes/no box |
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* |
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* ORIGINAL AUTHOR: Savio Lam ([email protected]) |
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* MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap ([email protected]) |
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*/ |
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#include "dialog.h" |
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/* |
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* Display termination buttons |
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*/ |
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static void print_buttons(WINDOW * dialog, int height, int width, int selected) |
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{ |
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int x = width / 2 - 10; |
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int y = height - 2; |
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print_button(dialog, " Yes ", y, x, selected == 0); |
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print_button(dialog, " No ", y, x + 13, selected == 1); |
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wmove(dialog, y, x + 1 + 13 * selected); |
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wrefresh(dialog); |
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} |
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/* |
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* Display a dialog box with two buttons - Yes and No |
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*/ |
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int dialog_yesno(const char *title, const char *prompt, int height, int width) |
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{ |
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int i, x, y, key = 0, button = 0; |
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WINDOW *dialog; |
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do_resize: |
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if (getmaxy(stdscr) < (height + YESNO_HEIGTH_MIN)) |
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return -ERRDISPLAYTOOSMALL; |
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if (getmaxx(stdscr) < (width + YESNO_WIDTH_MIN)) |
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return -ERRDISPLAYTOOSMALL; |
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/* center dialog box on screen */ |
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x = (getmaxx(stdscr) - width) / 2; |
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y = (getmaxy(stdscr) - height) / 2; |
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draw_shadow(stdscr, y, x, height, width); |
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dialog = newwin(height, width, y, x); |
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keypad(dialog, TRUE); |
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draw_box(dialog, 0, 0, height, width, |
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dlg.dialog.atr, dlg.border.atr); |
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wattrset(dialog, dlg.border.atr); |
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mvwaddch(dialog, height - 3, 0, ACS_LTEE); |
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for (i = 0; i < width - 2; i++) |
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waddch(dialog, ACS_HLINE); |
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wattrset(dialog, dlg.dialog.atr); |
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waddch(dialog, ACS_RTEE); |
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print_title(dialog, title, width); |
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wattrset(dialog, dlg.dialog.atr); |
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print_autowrap(dialog, prompt, width - 2, 1, 3); |
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print_buttons(dialog, height, width, 0); |
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while (key != KEY_ESC) { |
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key = wgetch(dialog); |
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switch (key) { |
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case 'Y': |
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case 'y': |
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delwin(dialog); |
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return 0; |
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case 'N': |
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case 'n': |
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delwin(dialog); |
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return 1; |
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case TAB: |
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case KEY_LEFT: |
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case KEY_RIGHT: |
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button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button); |
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print_buttons(dialog, height, width, button); |
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wrefresh(dialog); |
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break; |
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case ' ': |
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case '\n': |
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delwin(dialog); |
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return button; |
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case KEY_ESC: |
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key = on_key_esc(dialog); |
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break; |
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case KEY_RESIZE: |
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delwin(dialog); |
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on_key_resize(); |
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goto do_resize; |
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} |
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} |
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delwin(dialog); |
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return key; /* ESC pressed */ |
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}
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