// SPDX-FileCopyrightText: 2026, Shaun Reed <shaunrd0@gmail.com>
//
// SPDX-License-Identifier: GNU General Public License v3.0 or later

import QtQuick
import QtQuick.Controls

import clide.module 1.0

ScrollBar {
    id: scrollBar

    // Scroll bar gutter
    background: Rectangle {
        color: RustColors.scrollbar_gutter
        implicitHeight: scrollBar.interactive ? 8 : 4
        implicitWidth: scrollBar.interactive ? 8 : 4

        // Fade the scrollbar gutter when inactive.
        opacity: scrollBar.active && scrollBar.size < 1.0 ? 1.0 : 0.0

        Behavior on opacity {
            OpacityAnimator {
                duration: 500
            }
        }
    }

    // Scroll bar
    contentItem: Rectangle {

        // If we don't need a scrollbar, fallback to the gutter color.
        // If the scrollbar is required change it's color based on activity.
        color: scrollBar.size < 1.0 ? scrollBar.active ? RustColors.scrollbar_active : RustColors.scrollbar : RustColors.scrollbar_gutter
        implicitHeight: scrollBar.interactive ? 8 : 4
        implicitWidth: scrollBar.interactive ? 8 : 4
        // Fade the scrollbar when inactive.
        opacity: scrollBar.active && scrollBar.size < 1.0 ? 1.0 : 0

        // Smooth transition between color changes based on the state above.
        Behavior on color {
            ColorAnimation {
                duration: 1000
            }
        }
        Behavior on opacity {
            OpacityAnimator {
                duration: 1000
            }
        }
    }
}