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Fix TUI rendering with wrong dimensions after suspend/resume

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- Send SIGWINCH to self on terminal start to refresh stale dimensions (Unix only)
- Change requestRender(true) to set previousWidth = -1 to trigger widthChanged
- Update first render condition to skip when widthChanged is true

Fixes #599
This commit is contained in:
Mario Zechner 2026-01-11 02:47:28 +01:00
parent 019ad0ec11
commit d7394eb109
3 changed files with 13 additions and 3 deletions
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6
packages/tui/src/tui.ts
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@ -164,7 +164,7 @@ export class TUI extends Container {
requestRender(force = false): void {
if (force) {
this.previousLines = [];
this.previousWidth = 0;
this.previousWidth = -1; // -1 triggers widthChanged, forcing a full clear
this.cursorRow = 0;
}
if (this.renderRequested) return;
@ -334,8 +334,8 @@ export class TUI extends Container {
// Width changed - need full re-render
const widthChanged = this.previousWidth !== 0 && this.previousWidth !== width;
// First render - just output everything without clearing
if (this.previousLines.length === 0) {
// First render - just output everything without clearing (assumes clean screen)
if (this.previousLines.length === 0 && !widthChanged) {
let buffer = "\x1b[?2026h"; // Begin synchronized output
for (let i = 0; i < newLines.length; i++) {
if (i > 0) buffer += "\r\n";