first commit

2025-04-07 07:44:27 -07:00
commit d6cde0c05e
512 changed files with 142392 additions and 0 deletions
--- a/LibreHardwareMonitor-0.9.4/LibreHardwareMonitor/UI/Themes/ThemedHScrollIndicator.cs
+++ b/LibreHardwareMonitor-0.9.4/LibreHardwareMonitor/UI/Themes/ThemedHScrollIndicator.cs
@@ -0,0 +1,114 @@
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace LibreHardwareMonitor.UI.Themes
+{
+    public class ThemedHScrollIndicator : Control
+    {
+        private readonly HScrollBar _scrollbar;
+        private int _startValue = 0;
+        private int _startPos = 0;
+        private bool _isScrolling = false;
+
+        public static void AddToControl(Control control)
+        {
+            foreach (Control child in control.Controls)
+            {
+                if (child is HScrollBar scrollbar)
+                {
+                    control.Controls.Add(new ThemedHScrollIndicator(scrollbar));
+                    return;
+                }
+            }
+        }
+
+        public ThemedHScrollIndicator(HScrollBar scrollBar)
+        {
+            _scrollbar = scrollBar;
+
+            Height = 8;
+            SetStyle(ControlStyles.ResizeRedraw, true);
+            SetStyle(ControlStyles.AllPaintingInWmPaint, true);
+            SetStyle(ControlStyles.UserPaint, true);
+            SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
+            Left = 0;
+            Top = scrollBar.Parent.Height - Height;
+            Size = new Size(scrollBar.Parent.Width, Height);
+            Anchor = AnchorStyles.Right | AnchorStyles.Left | AnchorStyles.Bottom;
+            Visible = scrollBar.Visible;
+
+            scrollBar.VisibleChanged += (s, e) => Visible = (s as ScrollBar).Visible;
+            scrollBar.Scroll += (s, e) => Invalidate();
+            scrollBar.ValueChanged += (s, e) => Invalidate();
+
+            scrollBar.Height = 0;
+            this.MouseDown += OnMouseDown;
+        }
+
+        private void OnMouseDown(object sender, MouseEventArgs e)
+        {
+            if (_isScrolling)
+                return;
+
+            _isScrolling = true;
+
+            //note: this.Capture is true when the control is clicked, no need to handle this
+
+            _startPos = e.X;
+            _startValue = _scrollbar.Value;
+
+            this.MouseUp += OnMouseUp;
+            this.MouseMove += OnMouseMove;
+        }
+
+        private void OnMouseUp(object sender, MouseEventArgs e)
+        {
+            _isScrolling = false;
+            this.MouseUp -= OnMouseUp;
+            this.MouseMove -= OnMouseMove;
+        }
+
+        private void OnMouseMove(object sender, MouseEventArgs e)
+        {
+            if (!_isScrolling)
+                return;
+
+            //pixel to range scaling:
+            double totalRange = _scrollbar.Maximum - _scrollbar.Minimum;
+
+            if (totalRange <= 0)
+                return;
+
+            double scaleToPercent = totalRange / Bounds.Width;
+            double scrollValue = _startValue + (e.X - _startPos) * scaleToPercent;
+
+            if (scrollValue < _scrollbar.Minimum)
+                scrollValue = _scrollbar.Minimum;
+
+            if (scrollValue > (_scrollbar.Maximum - _scrollbar.LargeChange))
+                scrollValue = _scrollbar.Maximum - _scrollbar.LargeChange;
+
+            _scrollbar.Value = (int)scrollValue;
+            Refresh();
+        }
+
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            Graphics g = e.Graphics;
+
+            using (SolidBrush brush = new SolidBrush(Theme.Current.ScrollbarBackground))
+                g.FillRectangle(brush, new Rectangle(0, 0, Bounds.Width, Bounds.Height));
+
+            int width = Bounds.Width;
+            int range = _scrollbar.Maximum - _scrollbar.Minimum;
+
+            if (range > 0)
+            {
+                int start = width * (_scrollbar.Value - _scrollbar.Minimum) / range;
+                int end = width * (_scrollbar.Value - _scrollbar.Minimum + _scrollbar.LargeChange) / range;
+                using (SolidBrush brush = new SolidBrush(Theme.Current.ScrollbarTrack))
+                    g.FillRectangle(brush, new Rectangle(start, 2, end - start, Bounds.Height - 4));
+            }
+        }
+    }
+}