SVGHMI: Add a robust ScrollBar widget. HMI:ScrollBar@positionrange@size
// widget_input.ysl2
template "widget[@type='Input']", mode="widget_class"{
||
class InputWidget extends Widget{
on_op_click(opstr) {
this.change_hmi_value(0, opstr);
}
edit_callback(new_val) {
this.apply_hmi_value(0, new_val);
}
overshot(new_val, max) {
this.last_display = "max: "+max;
this.request_animate();
}
undershot(new_val, min) {
this.last_display = "min: "+min;
this.request_animate();
}
}
||
}
template "widget[@type='Input']", mode="widget_defs" {
param "hmi_element";
const "value_elt" optional_labels("value");
const "have_value","string-length($value_elt)>0";
value "$value_elt";
const "edit_elt" optional_labels("edit");
const "have_edit","string-length($edit_elt)>0";
value "$edit_elt";
if "$have_value"
| frequency: 5,
| dispatch: function(value) {
if "$have_edit"
| this.last_val = value;
if "$have_value" {
| this.last_display = value;
| this.request_animate();
}
| },
if "$have_value" {
| animate: function(){
| this.value_elt.textContent = String(this.last_display);
| },
}
| init: function() {
if "$have_edit" {
| this.edit_elt.onclick = () => edit_value("«path/@value»", "«path/@type»", this, this.last_val);
}
foreach "$hmi_element/*[regexp:test(@inkscape:label,'^[=+\-].+')]" {
| id("«@id»").onclick = () => this.on_op_click("«func:escape_quotes(@inkscape:label)»");
}
| },
}