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kconfig/lxdialog/yesno.c
author Michael Hope <michael.hope@linaro.org>
Wed Oct 19 15:27:32 2011 +1300 (2011-10-19)
changeset 2739 f320e22f2cba
parent 1 eeea35fbf182
permissions -rw-r--r--
arch: add softfp support

Some architectures support a mixed hard/soft floating point, where
the compiler emits hardware floating point instructions, but passes
the operands in core (aka integer) registers.

For example, ARM supports this mode (to come in the next changeset).

Add support for softfp cross compilers to the GCC and GLIBC
configuration. Needed for Ubuntu and other distros that are softfp.

Signed-off-by: Michael Hope <michael.hope@linaro.org>
[yann.morin.1998@anciens.enib.fr: split the original patch]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 /*

     2  *  yesno.c -- implements the yes/no box

     3  *

     4  *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)

     5  *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)

     6  *

     7  *  This program is free software; you can redistribute it and/or

     8  *  modify it under the terms of the GNU General Public License

     9  *  as published by the Free Software Foundation; either version 2

    10  *  of the License, or (at your option) any later version.

    11  *

    12  *  This program is distributed in the hope that it will be useful,

    13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

    14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    15  *  GNU General Public License for more details.

    16  *

    17  *  You should have received a copy of the GNU General Public License

    18  *  along with this program; if not, write to the Free Software

    19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    20  */

    21 

    22 #include "dialog.h"

    23 

    24 /*

    25  * Display termination buttons

    26  */

    27 static void print_buttons(WINDOW * dialog, int height, int width, int selected)

    28 {

    29 	int x = width / 2 - 10;

    30 	int y = height - 2;

    31 

    32 	print_button(dialog, gettext(" Yes "), y, x, selected == 0);

    33 	print_button(dialog, gettext("  No  "), y, x + 13, selected == 1);

    34 

    35 	wmove(dialog, y, x + 1 + 13 * selected);

    36 	wrefresh(dialog);

    37 }

    38 

    39 /*

    40  * Display a dialog box with two buttons - Yes and No

    41  */

    42 int dialog_yesno(const char *title, const char *prompt, int height, int width)

    43 {

    44 	int i, x, y, key = 0, button = 0;

    45 	WINDOW *dialog;

    46 

    47 do_resize:

    48 	if (getmaxy(stdscr) < (height + 4))

    49 		return -ERRDISPLAYTOOSMALL;

    50 	if (getmaxx(stdscr) < (width + 4))

    51 		return -ERRDISPLAYTOOSMALL;

    52 

    53 	/* center dialog box on screen */

    54 	x = (COLS - width) / 2;

    55 	y = (LINES - height) / 2;

    56 

    57 	draw_shadow(stdscr, y, x, height, width);

    58 

    59 	dialog = newwin(height, width, y, x);

    60 	keypad(dialog, TRUE);

    61 

    62 	draw_box(dialog, 0, 0, height, width,

    63 		 dlg.dialog.atr, dlg.border.atr);

    64 	wattrset(dialog, dlg.border.atr);

    65 	mvwaddch(dialog, height - 3, 0, ACS_LTEE);

    66 	for (i = 0; i < width - 2; i++)

    67 		waddch(dialog, ACS_HLINE);

    68 	wattrset(dialog, dlg.dialog.atr);

    69 	waddch(dialog, ACS_RTEE);

    70 

    71 	print_title(dialog, title, width);

    72 

    73 	wattrset(dialog, dlg.dialog.atr);

    74 	print_autowrap(dialog, prompt, width - 2, 1, 3);

    75 

    76 	print_buttons(dialog, height, width, 0);

    77 

    78 	while (key != KEY_ESC) {

    79 		key = wgetch(dialog);

    80 		switch (key) {

    81 		case 'Y':

    82 		case 'y':

    83 			delwin(dialog);

    84 			return 0;

    85 		case 'N':

    86 		case 'n':

    87 			delwin(dialog);

    88 			return 1;

    89 

    90 		case TAB:

    91 		case KEY_LEFT:

    92 		case KEY_RIGHT:

    93 			button = ((key == KEY_LEFT ? --button : ++button) < 0) ? 1 : (button > 1 ? 0 : button);

    94 

    95 			print_buttons(dialog, height, width, button);

    96 			wrefresh(dialog);

    97 			break;

    98 		case ' ':

    99 		case '\n':

   100 			delwin(dialog);

   101 			return button;

   102 		case KEY_ESC:

   103 			key = on_key_esc(dialog);

   104 			break;

   105 		case KEY_RESIZE:

   106 			delwin(dialog);

   107 			on_key_resize();

   108 			goto do_resize;

   109 		}

   110 	}

   111 

   112 	delwin(dialog);

   113 	return key;		/* ESC pressed */

   114 }
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