Mercurialcrosstool-ng / file revision
summary | shortlog | changelog | graph | tags | branches | files | changeset | file | latest | revisions | annotate | diff | raw | help
kconfig/lxdialog/inputbox.c
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Thu Jan 29 18:53:32 2009 +0000 (2009-01-29)
changeset 1174 7710d81d15e7
parent 1 eeea35fbf182
child 2448 a103abae1560
permissions -rw-r--r--
Use the path discovered by ./configure in scripts/addToolVersion.sh
It now requires that "./configure && make" be run beforehand.

/trunk/scripts/addToolVersion.sh | 10 7 3 0 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-) 
     1 /*

     2  *  inputbox.c -- implements the input 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 char dialog_input_result[MAX_LEN + 1];

    25 

    26 /*

    27  *  Print the termination buttons

    28  */

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

    30 {

    31 	int x = width / 2 - 11;

    32 	int y = height - 2;

    33 

    34 	print_button(dialog, gettext("  Ok  "), y, x, selected == 0);

    35 	print_button(dialog, gettext(" Help "), y, x + 14, selected == 1);

    36 

    37 	wmove(dialog, y, x + 1 + 14 * selected);

    38 	wrefresh(dialog);

    39 }

    40 

    41 /*

    42  * Display a dialog box for inputing a string

    43  */

    44 int dialog_inputbox(const char *title, const char *prompt, int height, int width,

    45                     const char *init)

    46 {

    47 	int i, x, y, box_y, box_x, box_width;

    48 	int input_x = 0, scroll = 0, key = 0, button = -1;

    49 	char *instr = dialog_input_result;

    50 	WINDOW *dialog;

    51 

    52 	if (!init)

    53 		instr[0] = '\0';

    54 	else

    55 		strcpy(instr, init);

    56 

    57 do_resize:

    58 	if (getmaxy(stdscr) <= (height - 2))

    59 		return -ERRDISPLAYTOOSMALL;

    60 	if (getmaxx(stdscr) <= (width - 2))

    61 		return -ERRDISPLAYTOOSMALL;

    62 

    63 	/* center dialog box on screen */

    64 	x = (COLS - width) / 2;

    65 	y = (LINES - height) / 2;

    66 

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

    68 

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

    70 	keypad(dialog, TRUE);

    71 

    72 	draw_box(dialog, 0, 0, height, width,

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

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

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

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

    77 		waddch(dialog, ACS_HLINE);

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

    79 	waddch(dialog, ACS_RTEE);

    80 

    81 	print_title(dialog, title, width);

    82 

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

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

    85 

    86 	/* Draw the input field box */

    87 	box_width = width - 6;

    88 	getyx(dialog, y, x);

    89 	box_y = y + 2;

    90 	box_x = (width - box_width) / 2;

    91 	draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2,

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

    93 

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

    95 

    96 	/* Set up the initial value */

    97 	wmove(dialog, box_y, box_x);

    98 	wattrset(dialog, dlg.inputbox.atr);

    99 

   100 	input_x = strlen(instr);

   101 

   102 	if (input_x >= box_width) {

   103 		scroll = input_x - box_width + 1;

   104 		input_x = box_width - 1;

   105 		for (i = 0; i < box_width - 1; i++)

   106 			waddch(dialog, instr[scroll + i]);

   107 	} else {

   108 		waddstr(dialog, instr);

   109 	}

   110 

   111 	wmove(dialog, box_y, box_x + input_x);

   112 

   113 	wrefresh(dialog);

   114 

   115 	while (key != KEY_ESC) {

   116 		key = wgetch(dialog);

   117 

   118 		if (button == -1) {	/* Input box selected */

   119 			switch (key) {

   120 			case TAB:

   121 			case KEY_UP:

   122 			case KEY_DOWN:

   123 				break;

   124 			case KEY_LEFT:

   125 				continue;

   126 			case KEY_RIGHT:

   127 				continue;

   128 			case KEY_BACKSPACE:

   129 			case 127:

   130 				if (input_x || scroll) {

   131 					wattrset(dialog, dlg.inputbox.atr);

   132 					if (!input_x) {

   133 						scroll = scroll < box_width - 1 ? 0 : scroll - (box_width - 1);

   134 						wmove(dialog, box_y, box_x);

   135 						for (i = 0; i < box_width; i++)

   136 							waddch(dialog,

   137 							       instr[scroll + input_x + i] ?

   138 							       instr[scroll + input_x + i] : ' ');

   139 						input_x = strlen(instr) - scroll;

   140 					} else

   141 						input_x--;

   142 					instr[scroll + input_x] = '\0';

   143 					mvwaddch(dialog, box_y, input_x + box_x, ' ');

   144 					wmove(dialog, box_y, input_x + box_x);

   145 					wrefresh(dialog);

   146 				}

   147 				continue;

   148 			default:

   149 				if (key < 0x100 && isprint(key)) {

   150 					if (scroll + input_x < MAX_LEN) {

   151 						wattrset(dialog, dlg.inputbox.atr);

   152 						instr[scroll + input_x] = key;

   153 						instr[scroll + input_x + 1] = '\0';

   154 						if (input_x == box_width - 1) {

   155 							scroll++;

   156 							wmove(dialog, box_y, box_x);

   157 							for (i = 0; i < box_width - 1; i++)

   158 								waddch(dialog, instr [scroll + i]);

   159 						} else {

   160 							wmove(dialog, box_y, input_x++ + box_x);

   161 							waddch(dialog, key);

   162 						}

   163 						wrefresh(dialog);

   164 					} else

   165 						flash();	/* Alarm user about overflow */

   166 					continue;

   167 				}

   168 			}

   169 		}

   170 		switch (key) {

   171 		case 'O':

   172 		case 'o':

   173 			delwin(dialog);

   174 			return 0;

   175 		case 'H':

   176 		case 'h':

   177 			delwin(dialog);

   178 			return 1;

   179 		case KEY_UP:

   180 		case KEY_LEFT:

   181 			switch (button) {

   182 			case -1:

   183 				button = 1;	/* Indicates "Cancel" button is selected */

   184 				print_buttons(dialog, height, width, 1);

   185 				break;

   186 			case 0:

   187 				button = -1;	/* Indicates input box is selected */

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

   189 				wmove(dialog, box_y, box_x + input_x);

   190 				wrefresh(dialog);

   191 				break;

   192 			case 1:

   193 				button = 0;	/* Indicates "OK" button is selected */

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

   195 				break;

   196 			}

   197 			break;

   198 		case TAB:

   199 		case KEY_DOWN:

   200 		case KEY_RIGHT:

   201 			switch (button) {

   202 			case -1:

   203 				button = 0;	/* Indicates "OK" button is selected */

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

   205 				break;

   206 			case 0:

   207 				button = 1;	/* Indicates "Cancel" button is selected */

   208 				print_buttons(dialog, height, width, 1);

   209 				break;

   210 			case 1:

   211 				button = -1;	/* Indicates input box is selected */

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

   213 				wmove(dialog, box_y, box_x + input_x);

   214 				wrefresh(dialog);

   215 				break;

   216 			}

   217 			break;

   218 		case ' ':

   219 		case '\n':

   220 			delwin(dialog);

   221 			return (button == -1 ? 0 : button);

   222 		case 'X':

   223 		case 'x':

   224 			key = KEY_ESC;

   225 			break;

   226 		case KEY_ESC:

   227 			key = on_key_esc(dialog);

   228 			break;

   229 		case KEY_RESIZE:

   230 			delwin(dialog);

   231 			on_key_resize();

   232 			goto do_resize;

   233 		}

   234 	}

   235 

   236 	delwin(dialog);

   237 	return KEY_ESC;		/* ESC pressed */

   238 }
crosstool-ng