Would that - or something similar - also work for the settings?
Yes, absolutely! As an example if you paste this into custom boot code, you'll end up with huge menu text:
E.showMenu = function(items) {
g.clear(1);g.flip(); // clear screen if no menu supplied
Bangle.drawWidgets();
if (!items) {
Bangle.setUI();
return;
}
var w = g.getWidth()-9;
var h = g.getHeight();
var menuItems = Object.keys(items);
var options = items[""];
if (options) menuItems.splice(menuItems.indexOf(""),1);
if (!(options instanceof Object)) options = {};
options.fontHeight=24;
options.x=0;
options.x2=w-2;
options.y=24;
options.y2=220;
if (options.selected === undefined)
options.selected = 0;
if (!options.fontHeight)
options.fontHeight = 6;
var x = 0|options.x;
var x2 = options.x2||(g.getWidth()-1);
var y = 0|options.y;
var y2 = options.y2||(g.getHeight()-1);
if (options.title)
y += options.fontHeight+2;
var loc = require("locale");
var l = {
lastIdx : 0,
draw : function(rowmin,rowmax) {
var rows = 0|Math.min((y2-y) / options.fontHeight,menuItems.length);
var idx = E.clip(options.selected-(rows>>1),0,menuItems.length-rows);
if (idx!=l.lastIdx) rowmin=undefined; // redraw all if we scrolled
l.lastIdx = idx;
var iy = y;
g.reset().setFont('6x8',3).setFontAlign(0,-1,0);
if (rowmin===undefined && options.title) {
g.drawString(options.title,(x+x2)/2,y-options.fontHeight-2);
g.drawLine(x,y-2,x2,y-2);
}
if (rowmin!==undefined) {
if (idx<rowmin) {
iy += options.fontHeight*(rowmin-idx);
idx=rowmin;
}
if (idx+rows>rowmax) {
rows = 1+rowmax-rowmin;
}
}
var less = idx>0;
while (rows--) {
var name = menuItems[idx];
var item = items[name];
var hl = (idx==options.selected && !l.selectEdit);
g.setColor(hl ? g.theme.bgH : g.theme.bg);
g.fillRect(x,iy,x2,iy+options.fontHeight-1);
g.setColor(hl ? g.theme.fgH : g.theme.fg);
g.setFontAlign(-1,-1);
g.drawString(loc.translate(name),x,iy);
if ("object" == typeof item) {
var xo = x2;
var v = item.value;
if (item.format) v=item.format(v);
v = loc.translate(""+v);
if (l.selectEdit && idx==options.selected) {
xo -= 24 + 1;
g.setColor(g.theme.bgH).fillRect(xo-(g.stringWidth(v)+4),iy,x2,iy+options.fontHeight-1);
g.setColor(g.theme.fgH).drawImage("\x0c\x05\x81\x00 \x07\x00\xF9\xF0\x0E\x00@",xo,iy+(options.fontHeight-10)/2,{scale:2});
}
g.setFontAlign(1,-1);
g.drawString(v,xo-2,iy);
}
g.setColor(g.theme.fg);
iy += options.fontHeight;
idx++;
}
g.setFontAlign(-1,-1);
var more = idx<menuItems.length;
g.drawImage("\b\b\x01\x108|\xFE\x10\x10\x10\x10",w,40);
g.drawImage("\b\b\x01\x10\x10\x10\x10\xFE|8\x10",w,194);
g.drawImage("\b\b\x01\x00\b\f\x0E\xFF\x0E\f\b",w,116);
g.setColor(more?g.theme.fg:g.theme.bg).fillPoly([104,220,136,220,120,228]);
g.flip();
},
select : function(dir) {
var item = items[menuItems[options.selected]];
if ("function" == typeof item) item(l);
else if ("object" == typeof item) {
// if a number, go into 'edit mode'
if ("number" == typeof item.value)
l.selectEdit = l.selectEdit?undefined:item;
else { // else just toggle bools
if ("boolean" == typeof item.value) item.value=!item.value;
if (item.onchange) item.onchange(item.value);
}
l.draw();
}
},
move : function(dir) {
if (l.selectEdit) {
var item = l.selectEdit;
item.value -= (dir||1)*(item.step||1);
if (item.min!==undefined && item.value<item.min) item.value = item.min;
if (item.max!==undefined && item.value>item.max) item.value = item.max;
if (item.onchange) item.onchange(item.value);
l.draw(options.selected,options.selected);
} else {
var a=options.selected;
options.selected = (dir+options.selected)%menuItems.length;
if (options.selected<0) options.selected += menuItems.length;
l.draw(Math.min(a,options.selected), Math.max(a,options.selected));
}
}
};
l.draw();
Bangle.setUI("updown",dir => {
if (dir) l.move(dir);
else l.select();
});
return l;
};
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Yes, absolutely! As an example if you paste this into custom boot code, you'll end up with huge menu text: