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fix: retry canvas init until WebEngine reports valid dimensions

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qdbus6 refreshCurrentShell sometimes reloads the page before the
WebEngine has settled, leaving innerWidth/Height at 0. Canvas stays
0x0 and the rAF loops draw nothing. initCanvases() now polls every
80ms until dimensions are valid before calling resizeCanvas/resizeFloor.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
ltadeu6 2026-06-07 13:52:20 -03:00
parent 347b3729c8
commit 7d87ec4c47
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GPG key ID: FB9FDAB6B6F3418D
1 changed files with 13 additions and 4 deletions
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13
plugin/contents/ui/dancer.html
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@ -951,8 +951,6 @@ function drawStars(ts) {
} }
window.addEventListener('resize', resizeCanvas); window.addEventListener('resize', resizeCanvas);
resizeCanvas();
requestAnimationFrame(drawStars);
/* ============================================================ /* ============================================================
FLOOR CANVAS — perspective grid with true vanishing point FLOOR CANVAS — perspective grid with true vanishing point
@ -1027,8 +1025,19 @@ function drawFloor(ts) {
} }
window.addEventListener('resize', resizeFloor); window.addEventListener('resize', resizeFloor);
// WebEngine sometimes reports innerWidth=0 on first load — retry until valid.
function initCanvases() {
if (window.innerWidth > 0 && window.innerHeight > 0) {
resizeCanvas();
resizeFloor(); resizeFloor();
requestAnimationFrame(drawStars);
requestAnimationFrame(drawFloor); requestAnimationFrame(drawFloor);
} else {
setTimeout(initCanvases, 80);
}
}
initCanvases();
/* ============================================================ /* ============================================================