Casio Naurtech CETerm Ver.5.5 Scripting Guide Manual do Utilizador descarregar pdf (Página 21)

NAURTECH WEB BROWSER AND TERMINAL EMULATION FOR WINDOWS CE AND WINDOWS MOBILE

CETerm Scripting Guide Page 21

2.7 CUSTOM SCREEN HOT-SPOTS

A “hot-spot” is an area on a terminal emulation screen that is activated by taping

with your finger or the stylus. CETerm supports several pre-defined hot-spots for

TE sessions. With scripting, it is possible to define custom hot-spot behaviors.

Custom hot-spots use the “OnStylusDown” event handler. Browser sessions do

not support the OnStylusDown event because equivalent behavior can be

implemented in HTML. You may need to disable the pre-defined hot-spots in

CETerm because they will be triggered before a custom hot-spot.

The hot-spot action can depend on the screen contents in an area or simply be

tied to a screen area. The following OnStylusDown handler can be loaded from

the script templates

/* OnStylusDown */

function OnStylusDown( session, row, column )

{

// Look for custom hot-spot

var screen = CETerm.Session( session ).Screen;

var text = screen.GetTextLine( row );

if (text.match( /beep/i ))

{

OS.PlaySound( "default.wav", 0 );

}

This hot-spot will play a sound if the line touched contains the word “beep”. The

following hot-spots will activate VT function keys if the user touches in the

specified rows and columns. In this case, the screen can show a box drawn with

VT line drawing characters and text inside each box. With such a display, you

can effectively create large glove-friendly on-screen buttons in TE.

/* OnStylusDown */

function OnStylusDown( session, row, column )

{

// Buttons are on rows "start" through "end"

var buttonrowstart = 9;

var buttonrowend = 13;

var IDA = "IDA_NONE";

// Buttons are "buttonwidth" columns wide

// Leftmost button is #1

var buttonwidth = 5;

var button = Math.floor((column + buttonwidth - 1) /

buttonwidth);

if (row >= buttonrowstart && row <= buttonrowend)

{

switch (button) {

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