workaround for all the terrible default QT scrolling behavior

- DankGridView, DankFlickable, DankListView\
- Touchpad behavior greatly improved by preserving momentum
- Fixed janky nested scrollers in control center

Widgets/DankGridView.qml

@@ -0,0 +1,179 @@
+import QtQuick
+import QtQuick.Controls
+
+GridView {
+    id: gridView
+
+    // Kinetic scrolling momentum properties
+    property real momentumVelocity: 0
+    property bool isMomentumActive: false
+    property real friction: 0.95
+    property real minMomentumVelocity: 50
+    property real maxMomentumVelocity: 2500
+
+    flickDeceleration: 1500
+    maximumFlickVelocity: 2000
+    boundsBehavior: Flickable.StopAtBounds
+    boundsMovement: Flickable.FollowBoundsBehavior
+    pressDelay: 0
+    flickableDirection: Flickable.VerticalFlick
+
+    WheelHandler {
+        id: wheelHandler
+
+        // Tunable parameters for responsive scrolling
+        property real mouseWheelSpeed: 20
+        // Higher = faster mouse wheel
+        property real touchpadSpeed: 1.8
+        // Touchpad sensitivity
+        property real momentumRetention: 0.92
+        property real lastWheelTime: 0
+        property real momentum: 0
+        property var velocitySamples: []
+
+        function startMomentum() {
+            isMomentumActive = true;
+            momentumTimer.start();
+        }
+
+        acceptedDevices: PointerDevice.Mouse | PointerDevice.TouchPad
+        onWheel: (event) => {
+            let currentTime = Date.now();
+            let timeDelta = currentTime - lastWheelTime;
+            lastWheelTime = currentTime;
+            
+            // Detect mouse wheel vs touchpad
+            const deltaY = event.angleDelta.y;
+            const isMouseWheel = Math.abs(deltaY) >= 120 && (Math.abs(deltaY) % 120) === 0;
+            
+            if (isMouseWheel) {
+                // Fixed scrolling for mouse wheel - 2 cells per click
+                momentumTimer.stop();
+                isMomentumActive = false;
+                velocitySamples = [];
+                momentum = 0;
+                
+                const lines = Math.floor(Math.abs(deltaY) / 120);
+                const scrollAmount = (deltaY > 0 ? -lines : lines) * cellHeight * 0.15; // 0.15 cells per wheel click
+                let newY = contentY + scrollAmount;
+                newY = Math.max(0, Math.min(contentHeight - height, newY));
+                
+                if (flicking)
+                    cancelFlick();
+                
+                contentY = newY;
+            } else {
+                // Touchpad - existing smooth kinetic scrolling
+                // Stop any existing momentum
+                momentumTimer.stop();
+                isMomentumActive = false;
+                
+                // Calculate scroll delta based on input type
+                let delta = 0;
+                if (event.pixelDelta.y !== 0)
+                    // Touchpad with pixel precision
+                    delta = event.pixelDelta.y * touchpadSpeed;
+                else
+                    // Fallback for touchpad without pixel delta
+                    delta = event.angleDelta.y / 120 * cellHeight * 1.2;
+                    
+                // Track velocity for momentum
+                velocitySamples.push({
+                    "delta": delta,
+                    "time": currentTime
+                });
+                velocitySamples = velocitySamples.filter((s) => {
+                    return currentTime - s.time < 100;
+                });
+                
+                // Calculate momentum velocity from samples
+                if (velocitySamples.length > 1) {
+                    let totalDelta = velocitySamples.reduce((sum, s) => {
+                        return sum + s.delta;
+                    }, 0);
+                    let timeSpan = currentTime - velocitySamples[0].time;
+                    if (timeSpan > 0)
+                        momentumVelocity = Math.max(-maxMomentumVelocity, Math.min(maxMomentumVelocity, totalDelta / timeSpan * 1000));
+                }
+                
+                // Apply momentum for touchpad (smooth continuous scrolling)
+                if (event.pixelDelta.y !== 0 && timeDelta < 50) {
+                    momentum = momentum * momentumRetention + delta * 0.15;
+                    delta += momentum;
+                } else {
+                    momentum = 0;
+                }
+                
+                // Apply scrolling with proper bounds checking
+                let newY = contentY - delta;
+                newY = Math.max(0, Math.min(contentHeight - height, newY));
+                
+                // Cancel any conflicting flicks and apply new position
+                if (flicking)
+                    cancelFlick();
+
+                contentY = newY;
+            }
+            
+            event.accepted = true;
+        }
+        onActiveChanged: {
+            if (!active && Math.abs(momentumVelocity) >= minMomentumVelocity) {
+                startMomentum();
+            } else if (!active) {
+                velocitySamples = [];
+                momentumVelocity = 0;
+            }
+        }
+    }
+
+    // Physics-based momentum timer for kinetic scrolling
+    Timer {
+        id: momentumTimer
+
+        interval: 16 // ~60 FPS
+        repeat: true
+        onTriggered: {
+            // Apply velocity to position
+            let newY = contentY - momentumVelocity * 0.016;
+            let maxY = Math.max(0, contentHeight - height);
+            
+            // Stop momentum at boundaries instead of bouncing
+            if (newY < 0) {
+                contentY = 0;
+                stop();
+                isMomentumActive = false;
+                momentumVelocity = 0;
+                return;
+            } else if (newY > maxY) {
+                contentY = maxY;
+                stop();
+                isMomentumActive = false;
+                momentumVelocity = 0;
+                return;
+            }
+            
+            contentY = newY;
+            
+            // Apply friction
+            momentumVelocity *= friction;
+            
+            // Stop if velocity too low
+            if (Math.abs(momentumVelocity) < 5) {
+                stop();
+                isMomentumActive = false;
+                momentumVelocity = 0;
+            }
+        }
+    }
+
+    // Smooth return to bounds animation
+    NumberAnimation {
+        id: returnToBoundsAnimation
+
+        target: gridView
+        property: "contentY"
+        duration: 300
+        easing.type: Easing.OutQuad
+    }
+}