Initial commit

2026-04-29 07:19:21 +03:00
commit 9a8cdfa08a
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+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+// Qt-Security score:significant reason:default
+
+import QtQuick
+import QtQuick.Templates as T
+import QtQuick.Controls.impl
+import QtQuick.Controls.Material
+import QtQuick.Controls.Material.impl
+
+T.Slider {
+    id: control
+
+    implicitWidth: Math.max(implicitBackgroundWidth + leftInset + rightInset,
+                            implicitHandleWidth + leftPadding + rightPadding)
+    implicitHeight: Math.max(implicitBackgroundHeight + topInset + bottomInset,
+                             implicitHandleHeight + topPadding + bottomPadding)
+
+    padding: 6
+
+    // The Slider is discrete if all of the following requirements are met:
+    // * stepSize is positive
+    // * snapMode is set to SnapAlways
+    // * the difference between to and from is cleanly divisible by the stepSize
+    // * the number of tick marks intended to be rendered is less than the width to height ratio, or vice versa for vertical sliders.
+    readonly property real __steps: Math.abs(to - from) / stepSize
+    readonly property bool __isDiscrete: stepSize >= Number.EPSILON
+        && snapMode === Slider.SnapAlways
+        && Math.abs(Math.round(__steps) - __steps) < Number.EPSILON
+        && Math.floor(__steps) < (horizontal ? background.width / background.height : background.height / background.width)
+
+    handle: SliderHandle {
+        x: control.leftPadding + (control.horizontal ? control.visualPosition * (control.availableWidth - width) : (control.availableWidth - width) / 2)
+        y: control.topPadding + (control.horizontal ? (control.availableHeight - height) / 2 : control.visualPosition * (control.availableHeight - height))
+        value: control.value
+        handleHasFocus: control.visualFocus
+        handlePressed: control.pressed
+        handleHovered: control.hovered
+    }
+
+    background: Item {
+        x: control.leftPadding + (control.horizontal ? 0 : (control.availableWidth - width) / 2)
+        y: control.topPadding + (control.horizontal ? (control.availableHeight - height) / 2 : 0)
+        implicitWidth: control.horizontal ? 200 : 48
+        implicitHeight: control.horizontal ? 48 : 200
+        width: control.horizontal ? control.availableWidth : 4
+        height: control.horizontal ? 4 : control.availableHeight
+
+        Rectangle {
+            x: (control.horizontal ? (control.implicitHandleWidth / 2) - (control.__isDiscrete ? 2 : 0) : 0)
+            y: (control.horizontal ? 0 : (control.implicitHandleHeight / 2) - (control.__isDiscrete ? 2 : 0))
+            width: parent.width - (control.horizontal ? (control.implicitHandleWidth - (control.__isDiscrete ? 4 : 0)) : 0)
+            height: parent.height - (control.horizontal ? 0 : (control.implicitHandleHeight - (control.__isDiscrete ? 4 : 0)))
+            scale: control.horizontal && control.mirrored ? -1 : 1
+            radius: Math.min(width, height) / 2
+            color: control.enabled ? Color.transparent(control.Material.accentColor, 0.33) : control.Material.sliderDisabledColor
+
+            Rectangle {
+                x: control.horizontal ? 0 : (parent.width - width) / 2
+                y: control.horizontal ? (parent.height - height) / 2 : control.visualPosition * parent.height
+                width: control.horizontal ? control.position * parent.width : 4
+                height: control.horizontal ? 4 : control.position * parent.height
+                radius: Math.min(width, height) / 2
+                color: control.enabled ? control.Material.accentColor : control.Material.sliderDisabledColor
+            }
+
+            // Declaring this as a property (in combination with the parent binding below) avoids ids,
+            // which prevent deferred execution.
+            property Repeater repeater: Repeater {
+                parent: control.background.children[0]
+                model: control.__isDiscrete ? Math.floor(control.__steps) + 1 : 0
+                delegate: Rectangle {
+                    width: 2
+                    height: 2
+                    radius: 2
+                    x: control.horizontal ? (parent.width - width * 2) * currentPosition + (width / 2) : (parent.width - width) / 2
+                    y: control.horizontal ? (parent.height - height) / 2 : (parent.height - height * 2) * currentPosition + (height / 2)
+                    color: (control.horizontal && control.visualPosition > currentPosition)
+                           || (!control.horizontal && control.visualPosition <= currentPosition)
+                           ? control.Material.primaryHighlightedTextColor : control.Material.accentColor
+
+                    required property int index
+                    readonly property real currentPosition: index / (parent.repeater.count - 1)
+                }
+            }
+        }
+    }
+}