Merge pull request #2 from Lothindir/Francis

Francis

Author: Lothindir

ThemePacker/CustomProgressBar.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ThemePacker
+{
+    public enum ProgressBarDisplayText
+    {
+        Percentage,
+        CustomText
+    }
+
+    class CustomProgressBar : ProgressBar
+    {
+        //Property to set to decide whether to print a % or Text
+        public ProgressBarDisplayText DisplayStyle { get; set; }
+
+        //Property to hold the custom text
+        public string CustomText { get; set; }
+
+        public CustomProgressBar()
+        {
+            // Modify the ControlStyles flags
+            //http://msdn.microsoft.com/en-us/library/system.windows.forms.controlstyles.aspx
+            SetStyle(ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint, true);
+        }
+
+        protected override void OnPaint(PaintEventArgs e)
+        {
+            Rectangle rect = ClientRectangle;
+            Graphics g = e.Graphics;
+
+            ProgressBarRenderer.DrawHorizontalBar(g, rect);
+            rect.Inflate(-3, -3);
+            if (Value > 0)
+            {
+                // As we doing this ourselves we need to draw the chunks on the progress bar
+                Rectangle clip = new Rectangle(rect.X, rect.Y, (int)Math.Round(((float)Value / Maximum) * rect.Width), rect.Height);
+                ProgressBarRenderer.DrawHorizontalChunks(g, clip);
+            }
+
+            // Set the Display text (Either a % amount or our custom text
+            string text = DisplayStyle == ProgressBarDisplayText.Percentage ? Value.ToString() + '%' : CustomText;
+
+
+            using (Font f = SystemFonts.DefaultFont)
+            {
+
+                SizeF len = g.MeasureString(text, f);
+                // Calculate the location of the text (the middle of progress bar)
+                // Point location = new Point(Convert.ToInt32((rect.Width / 2) - (len.Width / 2)), Convert.ToInt32((rect.Height / 2) - (len.Height / 2)));
+                Point location = new Point(Convert.ToInt32((Width / 2) - len.Width / 2), Convert.ToInt32((Height / 2) - len.Height / 2));
+                // The commented-out code will centre the text into the highlighted area only. This will centre the text regardless of the highlighted area.
+                // Draw the custom text
+                g.DrawString(text, f, Brushes.Black, location);
+            }
+        }
+    }
+}