1 files changed, 362 insertions, 0 deletions

diff --git a/scripts/kconfig/lxdialog/util.c b/scripts/kconfig/lxdialog/util.c
new file mode 100644
index 000000000000..f82cebb9ff06
--- /dev/null
+++ b/scripts/kconfig/lxdialog/util.c
@@ -0,0 +1,362 @@
+/*
+ *  util.c
+ *
+ *  ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
+ *  MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "dialog.h"
+
+/* use colors by default? */
+bool use_colors = 1;
+
+const char *backtitle = NULL;
+
+/*
+ * Attribute values, default is for mono display
+ */
+chtype attributes[] = {
+        A_NORMAL,               /* screen_attr */
+        A_NORMAL,               /* shadow_attr */
+        A_NORMAL,               /* dialog_attr */
+        A_BOLD,                 /* title_attr */
+        A_NORMAL,               /* border_attr */
+        A_REVERSE,              /* button_active_attr */
+        A_DIM,                  /* button_inactive_attr */
+        A_REVERSE,              /* button_key_active_attr */
+        A_BOLD,                 /* button_key_inactive_attr */
+        A_REVERSE,              /* button_label_active_attr */
+        A_NORMAL,               /* button_label_inactive_attr */
+        A_NORMAL,               /* inputbox_attr */
+        A_NORMAL,               /* inputbox_border_attr */
+        A_NORMAL,               /* searchbox_attr */
+        A_BOLD,                 /* searchbox_title_attr */
+        A_NORMAL,               /* searchbox_border_attr */
+        A_BOLD,                 /* position_indicator_attr */
+        A_NORMAL,               /* menubox_attr */
+        A_NORMAL,               /* menubox_border_attr */
+        A_NORMAL,               /* item_attr */
+        A_REVERSE,              /* item_selected_attr */
+        A_BOLD,                 /* tag_attr */
+        A_REVERSE,              /* tag_selected_attr */
+        A_BOLD,                 /* tag_key_attr */
+        A_REVERSE,              /* tag_key_selected_attr */
+        A_BOLD,                 /* check_attr */
+        A_REVERSE,              /* check_selected_attr */
+        A_BOLD,                 /* uarrow_attr */
+        A_BOLD                  /* darrow_attr */
+};
+
+#include "colors.h"
+
+/*
+ * Table of color values
+ */
+int color_table[][3] = {
+        {SCREEN_FG, SCREEN_BG, SCREEN_HL},
+        {SHADOW_FG, SHADOW_BG, SHADOW_HL},
+        {DIALOG_FG, DIALOG_BG, DIALOG_HL},
+        {TITLE_FG, TITLE_BG, TITLE_HL},
+        {BORDER_FG, BORDER_BG, BORDER_HL},
+        {BUTTON_ACTIVE_FG, BUTTON_ACTIVE_BG, BUTTON_ACTIVE_HL},
+        {BUTTON_INACTIVE_FG, BUTTON_INACTIVE_BG, BUTTON_INACTIVE_HL},
+        {BUTTON_KEY_ACTIVE_FG, BUTTON_KEY_ACTIVE_BG, BUTTON_KEY_ACTIVE_HL},
+        {BUTTON_KEY_INACTIVE_FG, BUTTON_KEY_INACTIVE_BG,
+         BUTTON_KEY_INACTIVE_HL},
+        {BUTTON_LABEL_ACTIVE_FG, BUTTON_LABEL_ACTIVE_BG,
+         BUTTON_LABEL_ACTIVE_HL},
+        {BUTTON_LABEL_INACTIVE_FG, BUTTON_LABEL_INACTIVE_BG,
+         BUTTON_LABEL_INACTIVE_HL},
+        {INPUTBOX_FG, INPUTBOX_BG, INPUTBOX_HL},
+        {INPUTBOX_BORDER_FG, INPUTBOX_BORDER_BG, INPUTBOX_BORDER_HL},
+        {SEARCHBOX_FG, SEARCHBOX_BG, SEARCHBOX_HL},
+        {SEARCHBOX_TITLE_FG, SEARCHBOX_TITLE_BG, SEARCHBOX_TITLE_HL},
+        {SEARCHBOX_BORDER_FG, SEARCHBOX_BORDER_BG, SEARCHBOX_BORDER_HL},
+        {POSITION_INDICATOR_FG, POSITION_INDICATOR_BG, POSITION_INDICATOR_HL},
+        {MENUBOX_FG, MENUBOX_BG, MENUBOX_HL},
+        {MENUBOX_BORDER_FG, MENUBOX_BORDER_BG, MENUBOX_BORDER_HL},
+        {ITEM_FG, ITEM_BG, ITEM_HL},
+        {ITEM_SELECTED_FG, ITEM_SELECTED_BG, ITEM_SELECTED_HL},
+        {TAG_FG, TAG_BG, TAG_HL},
+        {TAG_SELECTED_FG, TAG_SELECTED_BG, TAG_SELECTED_HL},
+        {TAG_KEY_FG, TAG_KEY_BG, TAG_KEY_HL},
+        {TAG_KEY_SELECTED_FG, TAG_KEY_SELECTED_BG, TAG_KEY_SELECTED_HL},
+        {CHECK_FG, CHECK_BG, CHECK_HL},
+        {CHECK_SELECTED_FG, CHECK_SELECTED_BG, CHECK_SELECTED_HL},
+        {UARROW_FG, UARROW_BG, UARROW_HL},
+        {DARROW_FG, DARROW_BG, DARROW_HL},
+};                              /* color_table */
+
+/*
+ * Set window to attribute 'attr'
+ */
+void attr_clear(WINDOW * win, int height, int width, chtype attr)
+{
+        int i, j;
+
+        wattrset(win, attr);
+        for (i = 0; i < height; i++) {
+                wmove(win, i, 0);
+                for (j = 0; j < width; j++)
+                        waddch(win, ' ');
+        }
+        touchwin(win);
+}
+
+void dialog_clear(void)
+{
+        attr_clear(stdscr, LINES, COLS, screen_attr);
+        /* Display background title if it exists ... - SLH */
+        if (backtitle != NULL) {
+                int i;
+
+                wattrset(stdscr, screen_attr);
+                mvwaddstr(stdscr, 0, 1, (char *)backtitle);
+                wmove(stdscr, 1, 1);
+                for (i = 1; i < COLS - 1; i++)
+                        waddch(stdscr, ACS_HLINE);
+        }
+        wnoutrefresh(stdscr);
+}
+
+/*
+ * Do some initialization for dialog
+ */
+void init_dialog(void)
+{
+        initscr();              /* Init curses */
+        keypad(stdscr, TRUE);
+        cbreak();
+        noecho();
+
+        if (use_colors)         /* Set up colors */
+                color_setup();
+
+        dialog_clear();
+}
+
+/*
+ * Setup for color display
+ */
+void color_setup(void)
+{
+        int i;
+
+        if (has_colors()) {     /* Terminal supports color? */
+                start_color();
+
+                /* Initialize color pairs */
+                for (i = 0; i < ATTRIBUTE_COUNT; i++)
+                        init_pair(i + 1, color_table[i][0], color_table[i][1]);
+
+                /* Setup color attributes */
+                for (i = 0; i < ATTRIBUTE_COUNT; i++)
+                        attributes[i] = C_ATTR(color_table[i][2], i + 1);
+        }
+}
+
+/*
+ * End using dialog functions.
+ */
+void end_dialog(void)
+{
+        endwin();
+}
+
+/* Print the title of the dialog. Center the title and truncate
+ * tile if wider than dialog (- 2 chars).
+ **/
+void print_title(WINDOW *dialog, const char *title, int width)
+{
+        if (title) {
+                int tlen = MIN(width - 2, strlen(title));
+                wattrset(dialog, title_attr);
+                mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' ');
+                mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen);
+                waddch(dialog, ' ');
+        }
+}
+
+/*
+ * Print a string of text in a window, automatically wrap around to the
+ * next line if the string is too long to fit on one line. Newline
+ * characters '\n' are replaced by spaces.  We start on a new line
+ * if there is no room for at least 4 nonblanks following a double-space.
+ */
+void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
+{
+        int newl, cur_x, cur_y;
+        int i, prompt_len, room, wlen;
+        char tempstr[MAX_LEN + 1], *word, *sp, *sp2;
+
+        strcpy(tempstr, prompt);
+
+        prompt_len = strlen(tempstr);
+
+        /*
+         * Remove newlines
+         */
+        for (i = 0; i < prompt_len; i++) {
+                if (tempstr[i] == '\n')
+                        tempstr[i] = ' ';
+        }
+
+        if (prompt_len <= width - x * 2) {      /* If prompt is short */
+                wmove(win, y, (width - prompt_len) / 2);
+                waddstr(win, tempstr);
+        } else {
+                cur_x = x;
+                cur_y = y;
+                newl = 1;
+                word = tempstr;
+                while (word && *word) {
+                        sp = index(word, ' ');
+                        if (sp)
+                                *sp++ = 0;
+
+                        /* Wrap to next line if either the word does not fit,
+                           or it is the first word of a new sentence, and it is
+                           short, and the next word does not fit. */
+                        room = width - cur_x;
+                        wlen = strlen(word);
+                        if (wlen > room ||
+                            (newl && wlen < 4 && sp
+                             && wlen + 1 + strlen(sp) > room
+                             && (!(sp2 = index(sp, ' '))
+                                 || wlen + 1 + (sp2 - sp) > room))) {
+                                cur_y++;
+                                cur_x = x;
+                        }
+                        wmove(win, cur_y, cur_x);
+                        waddstr(win, word);
+                        getyx(win, cur_y, cur_x);
+                        cur_x++;
+                        if (sp && *sp == ' ') {
+                                cur_x++;        /* double space */
+                                while (*++sp == ' ') ;
+                                newl = 1;
+                        } else
+                                newl = 0;
+                        word = sp;
+                }
+        }
+}
+
+/*
+ * Print a button
+ */
+void print_button(WINDOW * win, const char *label, int y, int x, int selected)
+{
+        int i, temp;
+
+        wmove(win, y, x);
+        wattrset(win, selected ? button_active_attr : button_inactive_attr);
+        waddstr(win, "<");
+        temp = strspn(label, " ");
+        label += temp;
+        wattrset(win, selected ? button_label_active_attr
+                 : button_label_inactive_attr);
+        for (i = 0; i < temp; i++)
+                waddch(win, ' ');
+        wattrset(win, selected ? button_key_active_attr
+                 : button_key_inactive_attr);
+        waddch(win, label[0]);
+        wattrset(win, selected ? button_label_active_attr
+                 : button_label_inactive_attr);
+        waddstr(win, (char *)label + 1);
+        wattrset(win, selected ? button_active_attr : button_inactive_attr);
+        waddstr(win, ">");
+        wmove(win, y, x + temp + 1);
+}
+
+/*
+ * Draw a rectangular box with line drawing characters
+ */
+void
+draw_box(WINDOW * win, int y, int x, int height, int width,
+         chtype box, chtype border)
+{
+        int i, j;
+
+        wattrset(win, 0);
+        for (i = 0; i < height; i++) {
+                wmove(win, y + i, x);
+                for (j = 0; j < width; j++)
+                        if (!i && !j)
+                                waddch(win, border | ACS_ULCORNER);
+                        else if (i == height - 1 && !j)
+                                waddch(win, border | ACS_LLCORNER);
+                        else if (!i && j == width - 1)
+                                waddch(win, box | ACS_URCORNER);
+                        else if (i == height - 1 && j == width - 1)
+                                waddch(win, box | ACS_LRCORNER);
+                        else if (!i)
+                                waddch(win, border | ACS_HLINE);
+                        else if (i == height - 1)
+                                waddch(win, box | ACS_HLINE);
+                        else if (!j)
+                                waddch(win, border | ACS_VLINE);
+                        else if (j == width - 1)
+                                waddch(win, box | ACS_VLINE);
+                        else
+                                waddch(win, box | ' ');
+        }
+}
+
+/*
+ * Draw shadows along the right and bottom edge to give a more 3D look
+ * to the boxes
+ */
+void draw_shadow(WINDOW * win, int y, int x, int height, int width)
+{
+        int i;
+
+        if (has_colors()) {     /* Whether terminal supports color? */
+                wattrset(win, shadow_attr);
+                wmove(win, y + height, x + 2);
+                for (i = 0; i < width; i++)
+                        waddch(win, winch(win) & A_CHARTEXT);
+                for (i = y + 1; i < y + height + 1; i++) {
+                        wmove(win, i, x + width);
+                        waddch(win, winch(win) & A_CHARTEXT);
+                        waddch(win, winch(win) & A_CHARTEXT);
+                }
+                wnoutrefresh(win);
+        }
+}
+
+/*
+ *  Return the position of the first alphabetic character in a string.
+ */
+int first_alpha(const char *string, const char *exempt)
+{
+        int i, in_paren = 0, c;
+
+        for (i = 0; i < strlen(string); i++) {
+                c = tolower(string[i]);
+
+                if (strchr("<[(", c))
+                        ++in_paren;
+                if (strchr(">])", c) && in_paren > 0)
+                        --in_paren;
+
+                if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0)
+                        return i;
+        }
+
+        return 0;
+}