104 lines
2.9 KiB
JavaScript
104 lines
2.9 KiB
JavaScript
exports.interface = function(cb, conf) {
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// Configuration for the indicator:
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conf = conf?conf:{};
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const USE_MAP = conf.useMap || false;
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const USE_INCR = conf.useIncr || true;
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const X_START = conf.xStart || 176-55;
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const WIDTH = conf.width || 50;
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const Y_START = conf.yStart || 5;
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const HEIGHT = conf.height || 165;
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const STEPS = conf.steps || 30; //Default corresponds to my phones volume range, [0,30]. Maybe it should be 31. Math is hard sometimes...
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const OVERSIZE_R = conf.oversizeR || 0;
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const OVERSIZE_L = conf.oversizeL || 0;
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const TIMEOUT = conf.timeout || 1;
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const STEP_SIZE = HEIGHT/STEPS;
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// Initialize the level
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let level;
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let prevLevel = conf.currLevel || 0;
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let levelHeight;
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let firstRun = true;
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let dragSlider = e=>{
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"ram";
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if (timeout) {clearTimeout(timeout); timeout = setTimeout(remove, 1000*TIMEOUT);}
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let input = Math.min(e.y,170);
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input = Math.round(input/STEP_SIZE);
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// If draging on the indicator, adjust one-to-one.
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if (USE_MAP && e.x>X_START-OVERSIZE_L*WIDTH && e.x<X_START+WIDTH+OVERSIZE_R*WIDTH) {
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level = Math.min(Math.max(STEPS-input,0),STEPS);
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cb("map",level);
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draw(level);
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} else if (USE_INCR) { // Heavily inspired by "updown" mode of setUI.
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dy += e.dy;
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//if (!e.b) dy=0;
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let incr;
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while (Math.abs(dy)>32) {
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if (dy>0) { dy-=32; incr = 1;}
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else { dy+=32; incr = -1;}
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Bangle.buzz(20);
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level = Math.min(Math.max(prevLevel-incr,0),STEPS);
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cb("incr",incr);
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draw(level);
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}
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}
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E.stopEventPropagation&&E.stopEventPropagation();
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};
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let ovr = Graphics.createArrayBuffer(WIDTH,HEIGHT,1,{msb:true});
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let draw = (level)=>{
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"ram";
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// Draw the indicator.
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// Should be displayed when a relevant drag event is detected.
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// Should time out.
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// If user drags directly on the draw area, adjust level one-to-one.
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// Pauses and resets the time out when interacted with.
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if (firstRun) {
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ovr.setColor(1).
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fillRect({x:0,y:0,w:WIDTH,y2:HEIGHT,r:30}); // To get outer border...
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}
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if (level == prevLevel) {if (!firstRun) return; if (firstRun) firstRun = false;}
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levelHeight = level==0?WIDTH:level*STEP_SIZE; // Math.max(level*STEP_SIZE,STEP_SIZE);
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prevLevel = level;
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ovr.setColor(0).
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fillRect({x:2,y:2,w:WIDTH-5,y2:HEIGHT-2,r:30}). // ... and here it's made hollow.
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setColor(0==level?0:1).
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fillRect({x:4,y:HEIGHT-levelHeight+4,w:WIDTH-9,y2:HEIGHT-4,r:30}); // Here the bar is drawn.
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Bangle.setLCDOverlay({
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width:WIDTH, height:HEIGHT,
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bpp:1, transparent:0,
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buffer:ovr.buffer
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},X_START,Y_START);
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//print(level, input);
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//print(process.memory().usage);
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};
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let remove = ()=> {
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ovr.clear().reset();
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Bangle.setLCDOverlay();
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Bangle.removeListener('drag', dragSlider);
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cb("remove", prevLevel);
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};
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let timeout = setTimeout(remove, 1000*TIMEOUT);
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let dy = 0;
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g.reset();
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Bangle.prependListener('drag', dragSlider);
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}
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