beremiz

SVGHMI: add ScreenSaver feature. Automatically jumps to a page named "ScreenSaver" after timeout defined in page arguments.

2022-11-04, Edouard Tisserant
d5ff60e906b0
SVGHMI: add ScreenSaver feature. Automatically jumps to a page named "ScreenSaver" after timeout defined in page arguments.
// widget_back.ysl2
widget_desc("Back") {
longdesc
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Back widget brings focus back to previous page in history when clicked.
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shortdesc > Jump to previous page
}
// TODO: use es6
widget_class("Back")
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on_click(evt) {
if(jump_history.length > 1){
let page_name, index;
do {
jump_history.pop(); // forget current page
if(jump_history.length == 0) return;
[page_name, index] = jump_history[jump_history.length-1];
} while(page_name == "ScreenSaver") // never go back to ScreenSaver
switch_page(page_name, index);
}
}
init() {
this.element.setAttribute("onclick", "hmi_widgets['"+this.element_id+"'].on_click(evt)");
}
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