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libslider: draw outer border only once on init

master
thyttan 2023-08-15 01:35:00 +02:00
parent 3824a5e603
commit 2b1d20905f
1 changed files with 8 additions and 6 deletions
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14
apps/libslider/lib.js
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@ -63,19 +63,21 @@ let draw = (level)=>{
// Should time out. // Should time out.
// If user drags directly on the draw area, adjust level one-to-one. // If user drags directly on the draw area, adjust level one-to-one.
// Pauses and resets the time out when interacted with. // Pauses and resets the time out when interacted with.
// TODO: Lazy, keep track of last level and only draw again if it changed.
if (firstRun) {
ovr.setColor(1).
fillRect({x:0,y:0,w:WIDTH,y2:HEIGHT,r:30}); // To get outer border...
}
if (level == prevLevel) {if (!firstRun) return; if (firstRun) firstRun = false;} if (level == prevLevel) {if (!firstRun) return; if (firstRun) firstRun = false;}
levelHeight = level==0?WIDTH:level*STEP_SIZE; // Math.max(level*STEP_SIZE,STEP_SIZE); levelHeight = level==0?WIDTH:level*STEP_SIZE; // Math.max(level*STEP_SIZE,STEP_SIZE);
prevLevel = level; prevLevel = level;
ovr.clear().setColor(1). ovr.setColor(0).
fillRect({x:0,y:0,w:WIDTH,y2:HEIGHT,r:30}). // To get outer border...
setColor(0).
fillRect({x:2,y:2,w:WIDTH-5,y2:HEIGHT-2,r:30}). // ... and here it's made hollow. fillRect({x:2,y:2,w:WIDTH-5,y2:HEIGHT-2,r:30}). // ... and here it's made hollow.
setColor(0==level?0:1). setColor(0==level?0:1).
fillRect({x:4,y:HEIGHT-levelHeight+4,w:WIDTH-9,y2:ovr.getHeight()-4,r:30}); // Here the bar is drawn. fillRect({x:4,y:HEIGHT-levelHeight+4,w:WIDTH-9,y2:HEIGHT-4,r:30}); // Here the bar is drawn.
Bangle.setLCDOverlay({ Bangle.setLCDOverlay({
width:WIDTH, height:HEIGHT, width:WIDTH, height:HEIGHT,
bpp:1, transparent:0, bpp:1, transparent:0,
@ -90,7 +92,7 @@ let remove = ()=> {
ovr.clear().reset(); ovr.clear().reset();
Bangle.setLCDOverlay(); Bangle.setLCDOverlay();
Bangle.removeListener('drag', dragSlider); Bangle.removeListener('drag', dragSlider);
cb("remove", level); cb("remove", prevLevel);
}; };
let timeout = setTimeout(remove, 1000*TIMEOUT); let timeout = setTimeout(remove, 1000*TIMEOUT);