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Revert "fix(pi-dosbox): force image re-render to prevent ghosting during streaming"

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This reverts commit 1668a59bff.
This commit is contained in:
Mario Zechner 2026-01-22 05:36:00 +01:00
parent 1668a59bff
commit c083e195ad
1 changed files with 13 additions and 10 deletions
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23
packages/coding-agent/examples/extensions/pi-dosbox/src/dosbox-component.ts
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@ -65,6 +65,10 @@ export class DosboxComponent implements Component {
private imageTheme: ImageTheme;
private loadingMessage = "Connecting to DOSBox...";
private errorMessage: string | null = null;
private cachedLines: string[] = [];
private cachedWidth = 0;
private cachedVersion = -1;
private version = 0;
private disposed = false;
private imageId: number;
private kittyPushed = false;
@ -117,6 +121,7 @@ export class DosboxComponent implements Component {
{ maxWidthCells: MAX_WIDTH_CELLS, imageId: this.imageId },
{ widthPx: width, heightPx: height },
);
this.version++;
this.tui.requestRender();
}
@ -190,8 +195,7 @@ export class DosboxComponent implements Component {
}
invalidate(): void {
// No caching, so nothing to invalidate
// Image component handles its own caching
this.cachedWidth = 0;
}
render(width: number): string[] {
@ -204,18 +208,17 @@ export class DosboxComponent implements Component {
if (!this.image) {
return [truncateToWidth("Waiting for DOSBox frame...", width)];
}
if (width === this.cachedWidth && this.cachedVersion === this.version) {
return this.cachedLines;
}
// Always render fresh - never cache. This ensures the image is re-rendered
// at the correct position even during streaming when lines above change.
// The cache in Image component handles avoiding redundant Kitty transmissions.
const imageLines = this.image.render(width);
const footer = truncateToWidth("\x1b[2mCtrl+Q to detach (DOSBox keeps running)\x1b[22m", width);
const lines = [...imageLines, footer];
// Add a unique suffix to force TUI to see these lines as "changed"
// This ensures the image is always re-rendered at correct position
const timestamp = `\x1b[0m\x1b[8m${Date.now()}\x1b[28m`;
const lines = imageLines.map((line, i) => (i === imageLines.length - 1 ? line + timestamp : line));
lines.push(footer);
this.cachedLines = lines;
this.cachedWidth = width;
this.cachedVersion = this.version;
return lines;
}