--- /dev/null
+/*
+ * 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;
+
+const char *dialog_result;
+
+/*
+ * 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 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;
+}
+
+/*
+ * Get the first selected item in the dialog_list_item list.
+ */
+struct dialog_list_item *
+first_sel_item(int item_no, struct dialog_list_item ** items)
+{
+ int i;
+
+ for (i = 0; i < item_no; i++) {
+ if (items[i]->selected)
+ return items[i];
+ }
+
+ return NULL;
+}
projects / project / luci.git / blobdiff