Dialog NumberPad

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/LSL

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<lsl> // Dialog Number Pad // DoteDote Edison // 1-26-2007

// Dialog module which acts as a simple positive integer number pad. // Send a link_message with the following format: // integer num = max number of digits allowed // string msg = "numpad_open" // key id = key of the avatar the dialog should target // A return link_message will be sent with the following format: // integer num = The number entered by the dialog user // string msg = "numpad_close" // key id = key of the avatar who used the dialog

// Things to-do: // --Add floating point compatability // --Add negative sign // --Add undo or cancel button (12-button limit makes this difficult)

float time_limit = 15.0; // seconds before dialog times-out list numpad_buttons = ["0","00","Done", "7","8","9", "4","5","6", "1","2","3"];

key numpad_user; string numpad_number; integer numpad_channel; integer numpad_sender; integer numpad_limit;

default {

   link_message(integer sender, integer n, string msg, key id) {
       if (msg == "numpad_open" && id != NULL_KEY) {
           numpad_sender = sender;
           numpad_limit = n;
           numpad_user = id;
           state numberPad;
       }
   }

}

state numberPad {

   state_entry() {
       numpad_number = "";
       numpad_channel = llCeil(llFrand(9999));
       llListen(numpad_channel, "", numpad_user, "");
       llDialog(numpad_user, "Use buttons to enter a number.", numpad_buttons, numpad_channel);
       llSetTimerEvent(time_limit);
   }
   listen(integer ch, string n, key id, string msg) {
       if (msg == "Done") state default;
       numpad_number += msg;
       integer length = llStringLength(numpad_number);
       if (length < numpad_limit) {
           llSetTimerEvent(time_limit);
           llDialog(numpad_user, "Current number: " + numpad_number, numpad_buttons, numpad_channel);
       }
       else state default;
   }
   timer() {
       llInstantMessage(numpad_user, "Dialog timed-out...");
       state default;
   }
   state_exit() {
       llSetTimerEvent(0.0);
       integer numpad_return = (integer)llGetSubString(numpad_number, 0, numpad_limit - 1);
       llMessageLinked(numpad_sender, numpad_return, "numpad_close", numpad_user);
       numpad_sender = -1;
       numpad_limit = -1;
       numpad_user = NULL_KEY;
   }

} </lsl>

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