fix: blobs now allow to be drawn in device pixels to stay sharp

Plugins/ZShell/Blobs/blobrect2.hpp

@@ -25,6 +25,7 @@ class BlobRect2 : public BlobShape2 {
 	Q_PROPERTY(
 		bool atRestOverride READ atRestOverride WRITE setAtRestOverride NOTIFY
 			atRestOverrideChanged)
+	Q_PROPERTY(bool moving READ isMoving NOTIFY movingChanged)
 	Q_PROPERTY(
 		qreal topLeftRadius READ topLeftRadius WRITE setTopLeftRadius NOTIFY
 			topLeftRadiusChanged)
@@ -78,18 +79,13 @@ class BlobRect2 : public BlobShape2 {
 		if (m_atRestOverride == o) return;
 		m_atRestOverride = o;
 		emit atRestOverrideChanged();
+		updateMoving();
 		if (m_group) m_group->markDirty();
 	}
 
 	bool isExcluded(const BlobShape2* other) const override;
 	bool isCornerExcluded(const BlobShape2* other) const override;
-	// The shape that is pushing is the one that can shape the bar edge. A shape that is
-	// retiring still counts, because the retire curve is still moving the surface.
-	// atRestOverride keeps the shape in the group's data even at rest; when it is false
-	// the actual spring state decides, so it is not an override of the state itself.
-	bool isMoving() const override {
-		return m_atRestOverride || m_physicsActive || m_retiring;
-	}
+	bool isMoving() const override;
 	void cornerRadii(float out[4]) const override;
 
 	[[nodiscard]] qreal topLeftRadius() const { return m_topLeftRadius; }
@@ -117,6 +113,7 @@ class BlobRect2 : public BlobShape2 {
 	void excludeChanged();
 	void excludeCornersChanged();
 	void atRestOverrideChanged();
+	void movingChanged();
 	void topLeftRadiusChanged();
 	void topRightRadiusChanged();
 	void bottomLeftRadiusChanged();
@@ -124,20 +121,24 @@ class BlobRect2 : public BlobShape2 {
 
 	protected:
 	void updatePhysics() override;
+	bool needsFrame() const override;
+	void resetDeformMatrix() override;
 
 	private:
-	void checkAtRest(float speed);
+	void trySettle(float speed);
 	void beginRetire();
 	void finishAtIdentity();
+	void requestPhysics();
+	void updateMoving();
 
-	// Physics state
 	QPointF m_prevScenePos;
 	QElapsedTimer m_elapsed;
 	bool m_physicsActive = false;
 	bool m_hasPrevPos = false;
 
-	// Set from QML. Keeps the shape in the group's data while it is at rest; when it is
-	// false the spring state decides on its own.
+	int m_stillSamples = 0;
+	bool m_movingEmitted = false;
+
 	bool m_atRestOverride = false;
 
 	bool m_retiring = false;
@@ -146,13 +147,10 @@ class BlobRect2 : public BlobShape2 {
 	float m_retire01 = 0.0f;
 	float m_retire11 = 1.0f;
 
-	// Symmetric 2x2 deformation matrix components (3 independent: m00, m01,
-	// m11) Rest state is identity: m00=1, m01=0, m11=1
 	float m_dm00 = 1.0f;
 	float m_dm01 = 0.0f;
 	float m_dm11 = 1.0f;
 
-	// Spring velocities for each component
 	float m_dmVel00 = 0.0f;
 	float m_dmVel01 = 0.0f;
 	float m_dmVel11 = 0.0f;