feat: drawing popout now clips strokes again + add redo + add undo and redo keybinds

Plugins/ZShell/Internal/strokecanvasitem.cpp

@@ -71,11 +71,23 @@ static QCanvasPath buildStrokePath(
 
 void StrokeCanvasItem::undoLastGroup() {
 	if (m_strokes.isEmpty()) return;
+
 	const int lastGroup = m_strokes.last().groupId;
+
+	QVector<Stroke> group;
 	for (int i = static_cast<int>(m_strokes.size()) - 1;
 		 i >= 0 && m_strokes[i].groupId == lastGroup;
 		 --i)
-		m_strokes.remove(i);
+		group.prepend(m_strokes.takeAt(i));
+
+	m_redoStack.append(group);
+	update();
+}
+
+void StrokeCanvasItem::redo() {
+	if (m_redoStack.isEmpty()) return;
+
+	m_strokes.append(m_redoStack.takeLast());
 	update();
 }
 
@@ -106,19 +118,14 @@ void StrokeCanvasItem::setHoverPoint(const QPointF& point) {
 	emit hoverPointChanged();
 }
 
-void StrokeCanvasItem::showHover(qreal x, qreal y) {
-	const QPointF newPoint{x, y};
-	const bool pointChanged = (m_hoverPoint != newPoint);
-	const bool visibleChanged = !m_hoverVisible;
+void StrokeCanvasItem::showHover() {
+	if (m_hoverVisible) return;
 
 
-	if (pointChanged || visibleChanged) {
-		m_hoverVisible = true;
-		m_hoverPoint = newPoint;
-		if (pointChanged) emit hoverPointChanged();
-		if (visibleChanged) emit hoverVisibleChanged();
-		update();
-	}
+	m_hoverVisible = true;
+	update();
+
+	emit hoverVisibleChanged();
 }
 
 void StrokeCanvasItem::hideHover() {
@@ -139,6 +146,24 @@ void StrokeCanvasItem::setPenWidth(qreal width) {
 	emit penWidthChanged();
 }
 
+void StrokeCanvasItem::setHole(const QRectF& hole) {
+	if (m_hole == hole) return;
+
+	m_hole = hole;
+	update();
+
+	emit holeChanged();
+}
+
+void StrokeCanvasItem::setHoleRadius(qreal radius) {
+	if (qFuzzyCompare(m_holeRadius, radius)) return;
+
+	m_holeRadius = radius;
+	update();
+
+	emit holeRadiusChanged();
+}
+
 void StrokeCanvasItem::beginStroke(qreal x, qreal y, bool polyline) {
 	m_isDrawing = true;
 	m_currentStroke.points.clear();
@@ -199,6 +224,7 @@ void StrokeCanvasItem::endStroke() {
 	m_currentStroke.points.clear();
 	m_strokes.append(m_currentStroke);
 	m_currentStroke = {};
+	m_redoStack.clear();
 
 	update();
 }
@@ -206,6 +232,7 @@ void StrokeCanvasItem::endStroke() {
 void StrokeCanvasItem::clear() {
 	m_strokes.clear();
 	m_currentStroke = {};
+	m_redoStack.clear();
 	update();
 }