Direct use of lxdialog routines by menuconfig (v2)

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diff -ru linux/scripts/lxdialog/checklist.c linux+pasky/scripts/lxdialog/checklist.c
@@ -118,7 +118,8 @@
  */
 int
 dialog_checklist (const char *title, const char *prompt, int height, int width,
-	int list_height, int item_no, const char * const * items, int flag)
+	int list_height, int item_no, struct dialog_list_item ** items,
+	int flag)
 	
 {
     int i, x, y, box_x, box_y;

@@ -137,7 +138,7 @@
 
     /* Initializes status */
     for (i = 0; i < item_no; i++) {
-	status[i] = !strcasecmp (items[i * 3 + 2], "on");
+	status[i] = items[i]->selected;
 	if (!choice && status[i])
             choice = i;
     }

@@ -195,7 +196,7 @@
     /* Find length of longest item in order to center checklist */
     check_x = 0;
     for (i = 0; i < item_no; i++) 
-	check_x = MAX (check_x, + strlen (items[i * 3 + 1]) + 4);
+	check_x = MAX (check_x, + strlen (items[i]->name) + 4);
 
     check_x = (list_width - check_x) / 2;
     item_x = check_x + 4;

@@ -207,7 +208,7 @@
 
     /* Print the list */
     for (i = 0; i < max_choice; i++) {
-	print_item (list, items[(scroll+i) * 3 + 1],
+	print_item (list, items[scroll + i]->name,
 		    status[i+scroll], i, i == choice);
     }
 

@@ -224,7 +225,7 @@
 	key = wgetch (dialog);
 
     	for (i = 0; i < max_choice; i++)
-            if (toupper(key) == toupper(items[(scroll+i)*3+1][0]))
+            if (toupper(key) == toupper(items[scroll + i]->name[0]))
                 break;
 
 

@@ -237,14 +238,14 @@
 		    /* Scroll list down */
 		    if (list_height > 1) {
 			/* De-highlight current first item */
-			print_item (list, items[scroll * 3 + 1],
+			print_item (list, items[scroll]->name,
 					status[scroll], 0, FALSE);
 			scrollok (list, TRUE);
 			wscrl (list, -1);
 			scrollok (list, FALSE);
 		    }
 		    scroll--;
-		    print_item (list, items[scroll * 3 + 1],
+		    print_item (list, items[scroll]->name,
 				status[scroll], 0, TRUE);
 		    wnoutrefresh (list);
 

@@ -263,7 +264,7 @@
 		    /* Scroll list up */
 		    if (list_height > 1) {
 			/* De-highlight current last item before scrolling up */
-			print_item (list, items[(scroll + max_choice - 1) * 3 + 1],
+			print_item (list, items[scroll + max_choice - 1]->name,
 				    status[scroll + max_choice - 1],
 				    max_choice - 1, FALSE);
 			scrollok (list, TRUE);

@@ -271,7 +272,7 @@
 			scrollok (list, FALSE);
 		    }
 		    scroll++;
-		    print_item (list, items[(scroll + max_choice - 1) * 3 + 1],
+		    print_item (list, items[scroll + max_choice - 1]->name,
 				status[scroll + max_choice - 1],
 				max_choice - 1, TRUE);
 		    wnoutrefresh (list);

@@ -287,11 +288,11 @@
 	    }
 	    if (i != choice) {
 		/* De-highlight current item */
-		print_item (list, items[(scroll + choice) * 3 + 1],
+		print_item (list, items[scroll + choice]->name,
 			    status[scroll + choice], choice, FALSE);
 		/* Highlight new item */
 		choice = i;
-		print_item (list, items[(scroll + choice) * 3 + 1],
+		print_item (list, items[scroll + choice]->name,
 			    status[scroll + choice], choice, TRUE);
 		wnoutrefresh (list);
 		wrefresh (dialog);

@@ -330,7 +331,7 @@
 			    status[i] = 0;
 			status[scroll + choice] = 1;
 			for (i = 0; i < max_choice; i++)
-			    print_item (list, items[(scroll + i) * 3 + 1],
+			    print_item (list, items[scroll + i]->name,
 					status[scroll + i], i, i == choice);
 		    }
 		}

@@ -338,14 +339,7 @@
 		wrefresh (dialog);
             
 		for (i = 0; i < item_no; i++) {
-		    if (status[i]) {
-			if (flag == FLAG_CHECK) {
-			    fprintf (stderr, "\"%s\" ", items[i * 3]);
-			} else {
-			    fprintf (stderr, "%s", items[i * 3]);
-			}
-
-		    }
+			items[i]->selected = status[i];
 		}
             }
 	    delwin (dialog);

diff -ru linux/scripts/lxdialog/dialog.h linux+pasky/scripts/lxdialog/dialog.h
@@ -26,6 +26,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#ifdef CURSES_LOC
 #include CURSES_LOC
 
 /*

@@ -125,29 +126,35 @@
  * Global variables
  */
 extern bool use_colors;
-extern bool use_shadow;
 
 extern chtype attributes[];
+#endif
+
+extern char *backtitle;
 
-extern const char *backtitle;
+struct dialog_list_item {
+	char *name;
+	int namelen;
+	char *tag;
+	int selected; /* Set to 1 by dialog_*() function. */
+};
 
 /*
  * Function prototypes
  */
-extern void create_rc (const char *filename);
-extern int parse_rc (void);
-
 
 void init_dialog (void);
 void end_dialog (void);
-void attr_clear (WINDOW * win, int height, int width, chtype attr);
 void dialog_clear (void);
+#ifdef CURSES_LOC
+void attr_clear (WINDOW * win, int height, int width, chtype attr);
 void color_setup (void);
 void print_autowrap (WINDOW * win, const char *prompt, int width, int y, int x);
 void print_button (WINDOW * win, const char *label, int y, int x, int selected);
 void draw_box (WINDOW * win, int y, int x, int height, int width, chtype box,
 		chtype border);
 void draw_shadow (WINDOW * win, int y, int x, int height, int width);
+#endif
 
 int first_alpha (const char *string, const char *exempt);
 int dialog_yesno (const char *title, const char *prompt, int height, int width);

@@ -156,14 +163,17 @@
 int dialog_textbox (const char *title, const char *file, int height, int width);
 int dialog_menu (const char *title, const char *prompt, int height, int width,
 		int menu_height, const char *choice, int item_no, 
-		const char * const * items);
+		struct dialog_list_item ** items);
 int dialog_checklist (const char *title, const char *prompt, int height,
 		int width, int list_height, int item_no,
-		const char * const * items, int flag);
+		struct dialog_list_item ** items, int flag);
 extern unsigned char dialog_input_result[];
 int dialog_inputbox (const char *title, const char *prompt, int height,
 		int width, const char *init);
 
+struct dialog_list_item *first_sel_item(int item_no,
+		struct dialog_list_item ** items);
+
 /*
  * This is the base for fictitious keys, which activate
  * the buttons.

@@ -173,7 +183,9 @@
  *   -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o')
  *   -- uppercase chars are used to invoke the button (M_EVENT + 'O')
  */
+#ifdef CURSES_LOC
 #define M_EVENT (KEY_MAX+1)
+#endif
 
 
 /*

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diff -ru linux/scripts/lxdialog/textbox.c linux+pasky/scripts/lxdialog/textbox.c
@@ -317,7 +317,7 @@
     delwin (dialog);
     free (buf);
     close (fd);
-    return -1;			/* ESC pressed */
+    return 1;			/* ESC pressed */
 }
 
 /*

diff -ru linux/scripts/lxdialog/util.c linux+pasky/scripts/lxdialog/util.c
@@ -25,7 +25,7 @@
 /* use colors by default? */
 bool use_colors = 1;
 
-const char *backtitle = NULL;
+char *backtitle = NULL;
 
 const char *dialog_result;
 

@@ -356,4 +356,20 @@
 	}
 
 	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;
 }

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