Topcon OPUS A6G2 - How to Create Switch Buttons with Changing Colors; How to Use One Script for Several Buttons; How to Create a Drop down Menu

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OPUS Projektor Manual

How To

Here you will find some quick short solutions for common use cases. Feel free to contact us if

something you think should be there is missing.

12.1

How to create switch buttons with changing colors

You want to create buttons that activate and deactivate certain settings (like a switch). The

background color of the button should indicate if the setting is activated or not.

Create a button object

Set the property Latching to true

If applicable, put a String Field or a Picture Graphic object into the button (set them to

transparent to still see the button background)

Put a script with the following code into the OnPress event of the button:

setProperty(<button_ID>, "Background Color", <"pressed" color

in [r,g,b,a] array format>);

Put a script with the following code into the OnRelease event of the button:

setProperty(<button_ID>, "Background Color", <"released" color

in [r,g,b,a] array format>);

If the button background color shouldn't change directly when the button is pressed but instead

after a confirmation message from the CAN bus, put the script on the

OnValueChangeByOwner event of the related variable.

12.2

How to use one script for several buttons

You want to have a set of buttons that should basically perform a similar action, but a bit

different depending on which of the buttons has been pressed.

Create some buttons

Create a variable "button_id"

On the OnPress event of each button, set the variable button_id to a certain value (e.g. on

button 1 to 1, on button 2 to 2 and so on)

Create one JavaScript

Put the script file on the OnRelease event of each button

In the script use a switch-case statement to differentiate what should happen with which

button

New since version 2019 of the program:

We have a function called GetCallerID now which tells you in a script from which object the

script was executed. So alternatively to the solution above this function could be used in a

generic script to find out which button was being pressed.

12.3

How to create a drop down menu

You want to create a drop down menu where the user can select one of several options.

Create a list object

Reference a variable menu_id with the list object

Put e.g. 10 String Fields (or images) into the list object (every object is one option in the

menu)

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Topcon OPUS A6G2 - How to Create Switch Buttons with Changing Colors; How to Use One Script for Several Buttons; How to Create a Drop down Menu

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