Difference between revisions of "LlTextBox"
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{ | { | ||
llListenRemove(gListener); | llListenRemove(gListener); | ||
llSay( | llSay(PUBLIC_CHANNEL, "You wrote: " + message); | ||
} | } | ||
} | } | ||
Revision as of 06:18, 31 December 2013
| LSL Portal | Functions | Events | Types | Operators | Constants | Flow Control | Script Library | Categorized Library | Tutorials |
Summary
Function: llTextBox( key avatar, string message, integer channel );| 1.0 | Forced Delay |
| 10.0 | Energy |
Shows a dialog box on avatar's screen with the text message. It contains a text box for input, any text that is entered is said by avatar on channel when the "Submit" button is clicked.
| • key | avatar | – | avatar UUID that is in the same region | |
| • string | message | – | message to be displayed in the text box | |
| • integer | channel | – | output chat channel, any integer value |
| Channel Constant | Description | |
|---|---|---|
| DEBUG_CHANNEL | 0x7FFFFFFF | Chat channel reserved for script debugging and error messages, broadcasts to all nearby users. |
| PUBLIC_CHANNEL | 0x0 | Chat channel that broadcasts to all nearby users. This channel is sometimes referred to as: open chat, local chat and public chat. |
Caveats
- This function causes the script to sleep for 1.0 seconds.
- Not supported in official Linden Lab viewers prior to version 2.4, and some TPVs may not support it. Unsupported viewers will display a dialog box with a single option of "!!llTextBox!!".
- There is no way by script to kill a text box.
- There is no way for the script to detect if the user clicked the small "ignore" button (no chat is generated as a result of pressing this button).
- If the listening prim is out of the 20 meter range of the sending prim when the "Submit" button is pressed, it will not be able to hear the response.
- This limitation affects attachments too if the wearer moves more than 20 meters from where the listener is located.
- The textbox input is limited to 250 bytes (characters). This can be a problem for larger text input; if the input can be over 250 characters, you will have to accept it through chat.
message limits
- If it exceeds 7 (Viewer 3) or 8 (Viewer 1) lines a scroll bar will appear.
- message must be less than 512 bytes and not empty. Otherwise, it will shout an error on DEBUG_CHANNEL. One easy way to create an empty message is to use a line feed, as in <lsl>llTextBox(avatar_key," \n",dialog_channel);</lsl>
Examples
<lsl> integer gListener; default {
touch_start(integer total_number)
{
// See 'discussion' page for more comments on choosing a channel and possible left-open listener
integer channel = -13572468;
// "" saves byte-code over NULL_KEY
gListener = llListen( channel, "", "", "");
llTextBox(llDetectedKey(0), "Some info text for the top of the window...", channel);
}
listen(integer channel, string name, key id, string message)
{
llListenRemove(gListener);
llSay(PUBLIC_CHANNEL, "You wrote: " + message);
}
} </lsl> If the user hits "Enter" before clicking the "Submit" button, there will be a final carriage return in the message. In the rare event that this could be a problem, it is easily removed:- <lsl>
if (llGetSubString(message, -1, -1) == llUnescapeURL("%0A") )
message = llGetSubString(message, 0, -2);
</lsl>
Notes
Instead of mouse clicking: "Submit", you can use keyboard keys: press Tab ⇆ and then Enter ↵
See Also
Deep Notes
History
Introduced in SVN:568 r88085 Trunk Wednesday, 21 May 2008
Source
viewer - indra/llcommon/lllslconstants.h <cpp>// llTextBox() magic token string - yes this is a hack. sue me. const std::string TEXTBOX_MAGIC_TOKEN = "!!llTextBox!!";</cpp>
Footnotes
- ^ Channel zero is also known as: PUBLIC_CHANNEL, open chat, local chat and public chat
Signature |
|---|
function void llTextBox( key avatar, string message, integer channel ); |