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Add a hover effect to video player seek bar

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This commit is contained in:
chylex 2017-08-13 16:46:33 +02:00
parent 2fcf3604a8
commit 9074cdf340
1 changed files with 35 additions and 9 deletions

44
video/TweetDuck.Video/Controls/SeekBar.cs
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@ -1,32 +1,58 @@
using System.Drawing;
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
namespace TweetDuck.Video.Controls{
sealed class SeekBar : ProgressBar{
private readonly SolidBrush brush;
private readonly SolidBrush brushFore;
private readonly SolidBrush brushHover;
private readonly SolidBrush brushOverlap;
public SeekBar(){
brush = new SolidBrush(Color.White);
brushFore = new SolidBrush(Color.White);
brushHover = new SolidBrush(Color.White);
brushOverlap = new SolidBrush(Color.White);
SetStyle(ControlStyles.UserPaint, true);
SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
}
protected override void OnPaint(PaintEventArgs e){
if (brush.Color != ForeColor){
brush.Color = ForeColor;
if (brushFore.Color != ForeColor){
brushFore.Color = ForeColor;
brushHover.Color = Color.FromArgb(128, ForeColor);
brushOverlap.Color = Color.FromArgb(80+ForeColor.R*11/16, 80+ForeColor.G*11/16, 80+ForeColor.B*11/16);
}
Rectangle rect = e.ClipRectangle;
rect.Width = (int)(rect.Width*((double)Value/Maximum));
e.Graphics.FillRectangle(brush, rect);
Point cursor = PointToClient(Cursor.Position);
int width = rect.Width;
int progress = (int)(width*((double)Value/Maximum));
rect.Width = progress;
e.Graphics.FillRectangle(brushFore, rect);
if (cursor.X >= 0 && cursor.Y >= 0 && cursor.X <= width && cursor.Y <= rect.Height){
if (progress >= cursor.X){
rect.Width = cursor.X;
e.Graphics.FillRectangle(brushOverlap, rect);
}
else{
rect.X = progress;
rect.Width = cursor.X-rect.X;
e.Graphics.FillRectangle(brushHover, rect);
}
}
}
protected override void Dispose(bool disposing){
base.Dispose(disposing);
if (disposing){
brush.Dispose();
brushFore.Dispose();
brushHover.Dispose();
brushOverlap.Dispose();
}
}
}