private currentRowHeight: number;
private lastRecordedBufferLength: number;
private lastRecordedViewportHeight: number;
+ private lastTouchY: number;
/**
* Creates a new Viewport.
* Updates dimensions and synchronizes the scroll area if necessary.
*/
public syncScrollArea(): void {
- if (this.lastRecordedBufferLength !== this.terminal.lines.length) {
+ if (this.lastRecordedBufferLength !== this.terminal.buffer.lines.length) {
// If buffer height changed
- this.lastRecordedBufferLength = this.terminal.lines.length;
+ this.lastRecordedBufferLength = this.terminal.buffer.lines.length;
this.refresh();
} else if (this.lastRecordedViewportHeight !== this.terminal.rows) {
// If viewport height changed
}
// Sync scrollTop
- const scrollTop = this.terminal.ydisp * this.currentRowHeight;
+ const scrollTop = this.terminal.buffer.ydisp * this.currentRowHeight;
if (this.viewportElement.scrollTop !== scrollTop) {
this.viewportElement.scrollTop = scrollTop;
}
*/
private onScroll(ev: Event) {
const newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);
- const diff = newRow - this.terminal.ydisp;
+ const diff = newRow - this.terminal.buffer.ydisp;
this.terminal.scrollDisp(diff, true);
}
// Prevent the page from scrolling when the terminal scrolls
ev.preventDefault();
};
+
+ /**
+ * Handles the touchstart event, recording the touch occurred.
+ * @param ev The touch event.
+ */
+ public onTouchStart(ev: TouchEvent) {
+ this.lastTouchY = ev.touches[0].pageY;
+ };
+
+ /**
+ * Handles the touchmove event, scrolling the viewport if the position shifted.
+ * @param ev The touch event.
+ */
+ public onTouchMove(ev: TouchEvent) {
+ let deltaY = this.lastTouchY - ev.touches[0].pageY;
+ this.lastTouchY = ev.touches[0].pageY;
+ if (deltaY === 0) {
+ return;
+ }
+ this.viewportElement.scrollTop += deltaY;
+ ev.preventDefault();
+ };
}