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widclkscrl: Draw only in draw method

master
Erik Andresen 2023-07-25 22:38:08 +02:00
parent 7d82b39a71
commit 9ea1fe4dcf
1 changed files with 26 additions and 26 deletions
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52
apps/widclkscrl/widget.js
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@ -16,49 +16,49 @@
pos: 10, pos: 10,
dir: -1, dir: -1,
eventHandlerSet: false, eventHandlerSet: false,
draw: function() { draw: function(_w, scroll) {
if (!this.eventHandlerSet) { if (!this.eventHandlerSet) {
Bangle.on('lock', (on) => { Bangle.on('lock', (on) => {
this.run(!on); this.run(!on);
}); });
this.eventHandlerSet = true; this.eventHandlerSet = true;
} }
if (scroll) {
const buf = Graphics.createArrayBuffer(WIDTH,24,1,{msb:true}).setFont("Teletext5x9Ascii:1x2").setFontAlign(-1, 0);
buf.drawString(this.text, this.pos, 12);
if (this.dir === 1 && this.pos === 0 || this.dir === -1 && Math.abs(this.pos) === buf.stringWidth(this.text) - WIDTH) {
if (CONTINOUS) {
this.dir*=-1;
this.text = getDateText();
} else {
this.pos = 0;
this.run(false);
return;
}
}
this.pos+=this.dir;
g.reset().drawImage({
width:buf.getWidth(), height:buf.getHeight(),
bpp:buf.getBPP(),
buffer:buf.buffer
}, this.x+1, this.y);
}
}, },
run: function (on) { run: function (on) {
if (!Bangle.CLOCK && on && !this.interval) { if (!Bangle.CLOCK && on && !this.interval) {
this.text = getDateText(); this.text = getDateText();
this.interval = setInterval(() => { this.interval = setInterval(() => {
this.scroll(); this.draw(this, true);
}, 100); }, 100);
this.width = WIDTH+2; Bangle.drawWidgets(); this.width = WIDTH+2; Bangle.drawWidgets();
} else if (!on && this.interval) { } else if (!on && this.interval) {
clearInterval(this.interval); clearInterval(this.interval);
this.interval = undefined; delete this.interval;
this.width = 0; Bangle.drawWidgets();
delete this.text; delete this.text;
this.width = 0; Bangle.drawWidgets();
} }
}, },
scroll: function() {
const buf = Graphics.createArrayBuffer(WIDTH,24,1,{msb:true}).setFont("Teletext5x9Ascii:1x2").setFontAlign(-1, 0);
buf.drawString(this.text, this.pos, 12);
if (this.dir === 1 && this.pos === 0 || this.dir === -1 && Math.abs(this.pos) === buf.stringWidth(this.text) - WIDTH) {
if (CONTINOUS) {
this.dir*=-1;
this.text = getDateText();
} else {
this.pos = 0;
this.run(false);
return;
}
}
this.pos+=this.dir;
g.reset().drawImage({
width:buf.getWidth(), height:buf.getHeight(),
bpp:buf.getBPP(),
buffer:buf.buffer
}, this.x+1, this.y);
},
}; };
})(); })();