- implemented menuevents enter+leave

- new method menuitem_get_client()
- more maintainable way to specify count of enums
- corrected some typos (VB)

server/commands/menu_commands.c

@@ -28,6 +28,7 @@
 #include <string.h>
 #include <ctype.h>
 #include <errno.h>
+#include <assert.h>
 
 #include "shared/report.h"
 #include "shared/sockets.h"
@@ -163,6 +164,8 @@ menu_add_item_func (Client * c, int argc, char **argv)
 		item = menuitem_create_ip (item_id, menu_commands_handler, text,
 				0, "192.168.1.245");
 		break;
+ 	 default:
+ 	   assert(!"unexpected menuitem type");
 	}
 	menu_add_item (menu, item);
 	menuscreen_inform_item_modified (menu);
@@ -659,6 +662,8 @@ menu_goto_func (Client * c, int argc, char **argv)
 	char * menu_id;
 	Menu * menu;
 
+	debug (RPT_DEBUG, "%s( Client [%d], %s )",
+	       __FUNCTION__, c->sock, (argc > 1 ? argv[1] : "<null>") );
 	if (!c->ack)
 		return 1;
 
@@ -676,12 +681,14 @@ menu_goto_func (Client * c, int argc, char **argv)
 		/* A specified menu */
 		menu = menu_find_item (c->menu, menu_id, true);
 	}
+
 	if (!menu) {
 		sock_send_string (c->sock, "huh?  Cannot find menu id\n");
 		return 0;
 	}
 	menuscreen_goto (menu);
 	/* Failure is not returned */
+        /* why not? (Volker) */
 	sock_send_string(c->sock, "success\n");
 	return 0;
 }
@@ -695,7 +702,6 @@ MenuEventFunc (menu_commands_handler)
 {
 	char buf[80] = "";
 	Client * c;
-	MenuItem * i;
 
 	/* Compose message */
 	if( event == MENUEVENT_UPDATE
@@ -738,6 +744,13 @@ MenuEventFunc (menu_commands_handler)
 				item->id);
 		}
 	}
+	else if (event == MENUEVENT_ENTER
+ 		|| event == MENUEVENT_LEAVE)
+        {
+ 	 snprintf (buf, sizeof(buf)-1, "menuevent %s %.40s\n",
+ 		   menuitem_eventtype_to_eventtypename(event),
+ 		   item->id);
+	}
 	else {
 		snprintf (buf, sizeof(buf)-1, "menuevent %s %.40s\n",
 			menuitem_eventtype_to_eventtypename(event),
@@ -747,10 +760,10 @@ MenuEventFunc (menu_commands_handler)
 	buf[sizeof(buf)-1] = 0;
 
 	/* Where should the message go to ? */
-	for( i = item; i && i->parent != main_menu; i = i->parent );
+	c = menuitem_get_client(item);
-	c = (Client *) i->data.menu.association;
 	if( !c ) {
-		report( RPT_ERR, "%s: Could not find client of item \"%s\"", __FUNCTION__, item->id );
+		report( RPT_ERR, "%s: Could not find client of item \"%s\"",
+ 		       __FUNCTION__, item->id );
 		return -1;
 	}
 

server/menuitem.c

@@ -16,10 +16,12 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <assert.h>
 
 #include "shared/report.h"
 
 #include "menuitem.h"
+#include "menuscreens.h"
 #include "menu.h"
 #include "drivers.h"
 
@@ -30,7 +32,7 @@
 
 char *error_strs[] = {"", "Out of range", "Too long", "Too short", "Invalid Address"};
 char *menuitemtypenames[] = {"menu", "action", "checkbox", "ring", "slider", "numeric", "alpha","ip"};
-char *menueventtypenames[] = {"select", "update", "plus", "minus"};
+char *menueventtypenames[] = {"select", "update", "plus", "minus", "enter", "leave"};
 
 void menuitem_destroy_action (MenuItem *item);
 void menuitem_destroy_checkbox (MenuItem *item);
@@ -1291,6 +1293,20 @@ MenuResult menuitem_process_input_ip (MenuItem *item, MenuToken token, char * ke
 	return MENURESULT_ERROR;
 }
 
+/**
+ * get the Client that owns item. extracted from menu_commands_handler().
+ */
+Client * menuitem_get_client(MenuItem * item)
+{
+	MenuItem * i;
+
+        /* not fool prove... */
+	assert(item != NULL);
+	for (i = item; i && i->parent != main_menu; i = i->parent)
+ 	 ;
+        return (Client *) i->data.menu.association;
+}
+
 LinkedList * tablist2linkedlist (char *strings)
 {
 	LinkedList * list;

server/menuitem.h

@@ -41,7 +41,6 @@
  * Data definitions of the menustuff
  */
 
-#define NUM_ITEMTYPES 8
 typedef enum MenuItemType {	/* These values are used in the */
 	MENUITEM_MENU = 0,	/* function tables in menuitem.c ! */
 	MENUITEM_ACTION = 1,
@@ -51,6 +50,7 @@ typedef enum MenuItemType {	/* These values are used in the */
 	MENUITEM_NUMERIC = 5,
 	MENUITEM_ALPHA = 6,
 	MENUITEM_IP = 7,
+        NUM_ITEMTYPES = 8
 } MenuItemType;
 
 typedef enum CheckboxValue {
@@ -80,16 +80,18 @@ typedef enum MenuResult {
 } MenuResult;
 
 /* Events caused by a menuitem */
-#define NUM_EVENTTYPES 4
 typedef enum MenuEventType {
 	MENUEVENT_SELECT = 0,	/* Item has been selected
 				(action chosen) */
-	MENUEVENT_UPDATE,	/* Item has been modified
+	MENUEVENT_UPDATE = 1,	/* Item has been modified
 				(checkbox, numeric, alphanumeric) */
-	MENUEVENT_PLUS,		/* Item has been modified in positive direction
+	MENUEVENT_PLUS = 2,	/* Item has been modified in positive direction
 				 (slider moved) */
-	MENUEVENT_MINUS,	/* Item has been modified in negative direction
+	MENUEVENT_MINUS = 3,	/* Item has been modified in negative direction
 				(slider moved) */
+	MENUEVENT_ENTER = 4,	/* Menu has been entered */
+	MENUEVENT_LEAVE = 5,    /* Menu has been left */
+        NUM_EVENTTYPES = 6
 } MenuEventType;
 
 #define MenuEventFunc(f) int (f) (struct MenuItem *item, MenuEventType event)
@@ -204,7 +206,7 @@ MenuItem *menuitem_create (MenuItemType type, char *id,
 MenuItem *menuitem_create_action (char *id, MenuEventFunc(*event_func),
 	char *text, MenuResult menu_result);
 /* Creates a an action item (a string only).
- * Generated events: MENUEVENT_ENTER when user selects the item.
+ * Generated events: MENUEVENT_SELECT when user selects the item.
  */
 
 MenuItem *menuitem_create_checkbox (char *id, MenuEventFunc(*event_func),
@@ -229,7 +231,6 @@ MenuItem *menuitem_create_slider (char *id, MenuEventFunc(*event_func),
  * at the end positions of the slider.
  * You can set the step size. Make it 0 to disable the automatic value chaning,
  * and update the value yourself.
- * Generated events: MENUEVENT_ENTER upon entering this item,
  * MENUEVENT_PLUS, MENUEVENT_MINUS when slider is moved (immediately).
  */
 
@@ -237,7 +238,6 @@ MenuItem *menuitem_create_numeric (char *id, MenuEventFunc(*event_func),
 	char *text, int minvalue, int maxvalue, int value);
 /* Creates a numeric value box.
  * Value can range from minvalue to maxvalue.
- * Generated events: MENUEVENT_ENTER upon entering this item,
  * MENUEVENT_UPDATE when user finishes the value (no immediate update).
  */
 
@@ -250,14 +250,12 @@ MenuItem *menuitem_create_alpha (char *id, MenuEventFunc(*event_func),
  * caps, non-caps and numbers are allowed. Also you can alow other characters.
  * If password char is non-zero, you will only see this char, not the actual
  * input.
- * Generated events: MENUEVENT_ENTER upon entering this item,
  * MENUEVENT_UPDATE when user finishes the value (no immediate update).
  */
 
 MenuItem *menuitem_create_ip (char *id, MenuEventFunc(*event_func),
 	char *text, bool v6, char *value);
 /* Creates an ip value box.  can be either v4 or v6
- * Generated events: MENUEVENT_ENTER upon entering this item,
  * MENUEVENT_UPDATE when user finishes the value (no immediate update).
  */
 
@@ -296,6 +294,9 @@ MenuResult menuitem_process_input (MenuItem *item, MenuToken token, char * key,
  * key is only used if token is MENUTOKEN_OTHER.
  */
 
+Client * menuitem_get_client(MenuItem * item);
+/* returns the Client that owns the MenuItem. item must not be null */
+
 LinkedList * tablist2linkedlist (char * strings);
 /* Converts a tab-separated list to a LinkedList. */