private void KeyboardControl_Paint(object sender, PaintEventArgs e)
{
KeyboardLetterList list = keyboardData.letterList;
// Get max frequency
foreach (string key in list.Keys)
{
if (list.ContainsKey(key))
{
KeyboardUiLetter letter = keyboardData.letterList[key];
if (letter.frequency > maxFreq)
{
maxFreq = letter.frequency;
}
}
}
foreach (string key in list.Keys)
{
if (list.ContainsKey(key))
{
KeyboardUiLetter letter = keyboardData.letterList[key];
if (!letter.sup)
{
DrawKey(letter, e);
}
}
}
foreach (string key in list.Keys)
{
if (list.ContainsKey(key))
{
KeyboardUiLetter letter = keyboardData.letterList[key];
if (letter.sup)
{
DrawKey(letter, e);
}
}
}
//SolidBrush freqBrush = new SolidBrush(Color.FromArgb(120, Color.Red));
if (lowFreq > 0)
{
float f = (lowFreq / 1024f).Clamp(0.01f, 1.0f);
SizeF freqSize = new SizeF(f * (this.Width / 4), this.Height);
RectangleF freqRect = new RectangleF(new PointF(0, 0), freqSize);
LinearGradientBrush lgrad = new LinearGradientBrush(freqRect, Color.Red, Color.Transparent, LinearGradientMode.Horizontal);
e.Graphics.FillRectangle(lgrad, freqRect);
}
if (highFreq > 0)
{
float f = (highFreq / 1024f).Clamp(0.01f, 1.0f);
SizeF freqSize = new SizeF(f * (this.Width / 4), this.Height);
RectangleF freqRect = new RectangleF(new PointF(this.Width - freqSize.Width, 0), freqSize);
LinearGradientBrush lgrad = new LinearGradientBrush(freqRect, Color.Transparent, Color.Red, LinearGradientMode.Horizontal);
e.Graphics.FillRectangle(lgrad, freqRect);
}
RectangleF rect = new RectangleF(0, 0, this.Width, this.Height);
if (this.Enabled)
{
Pen rectPen = new Pen(Color.Black);
e.Graphics.DrawRectangle(rectPen, new Rectangle(0, 0, this.Width - 1, this.Height - 1));
}
if (true)
{
// Fade out if it's disabled or text is showing
if (!string.IsNullOrEmpty(this.Text) || !this.Enabled)
{
SolidBrush disabledBrush = new SolidBrush(Color.FromArgb(120, Color.White));
e.Graphics.FillRectangle(disabledBrush, rect);
}
if (!string.IsNullOrEmpty(overrideText))
{
PointF center = new PointF(rect.X + rect.Width / 2, rect.Y + rect.Height / 2);
SizeF textSize = e.Graphics.MeasureString(this.overrideText, textLargeFont);
PointF textPos = new PointF(center.X - textSize.Width / 2, center.Y - textSize.Height / 2);
e.Graphics.FillRectangle(new SolidBrush(Color.FromArgb(80, 30, 30)), new RectangleF(textPos, textSize));
e.Graphics.DrawString(this.overrideText, textLargeFont, new SolidBrush(Color.White), this.Width / 2, this.Height / 2, centerTextFormat);
}
// Show custom message
else if (!string.IsNullOrEmpty(this.Text))
{
PointF center = new PointF(rect.X + rect.Width / 2, rect.Y + rect.Height / 2);
SizeF textSize = e.Graphics.MeasureString(this.Text, textLargeFont);
PointF textPos = new PointF(center.X - textSize.Width / 2, center.Y - textSize.Height / 2);
e.Graphics.FillRectangle(new SolidBrush(Color.Black), new RectangleF(textPos, textSize));
e.Graphics.DrawString(this.Text, textLargeFont, new SolidBrush(Color.White), this.Width / 2, this.Height / 2, centerTextFormat);
}
}
}
private void DrawKey(KeyboardUiLetter letter, PaintEventArgs e)
{
string noteKey = string.Empty;
if (keyboardData.letterList.ContainsValue(letter))
{
foreach (string k in keyboardData.letterList.Keys)
{
if (keyboardData.letterList[k].Equals(letter))
{
noteKey = k;
continue;
}
}
}
if (string.IsNullOrEmpty(noteKey))
{
return;
}
string drawKey = letter.key; // k = letter.key
// Determine colors
SolidBrush keyBrush = new SolidBrush(Color.Transparent);
if (letter.sup)
{
keyBrush.Color = this.Enabled ? this.ForeColor : Color.FromArgb(50, 50, 50);
}
else
{
keyBrush.Color = this.Enabled ? this.BackColor : Color.FromArgb(180, 180, 180);
}
// Determine region
float ww = this.Width / (float)((letter.sup ? 26 : 22) - 1);
SizeF keySize = new SizeF(ww, (letter.y * this.Height));
PointF keyPosition = new PointF((letter.x * this.Width) - (keySize.Width / 2f), 0f);
RectangleF keyRect = new RectangleF(keyPosition, keySize);
// Draw color
if (letter.sup)
{
e.Graphics.FillRectangle(keyBrush, keyRect);
}
// Set clipping and such
Region clip = e.Graphics.Clip;
e.Graphics.SetClip(keyRect, System.Drawing.Drawing2D.CombineMode.Replace);
// Draw key and frequency
float keyX = keyRect.X + keyRect.Width / 2f;
float keyY = keyRect.Y + keyRect.Height - 8f;
if (letter.frequency > 0)
{
int freq = letter.frequency > 0 ? letter.frequency + 60 : 0;
float size = (freq / 260f);
if (size > 1f)
{
size = 1f;
}
Color freqCol = letter.sup ? Color.Yellow : Color.Red;
SolidBrush freqBrush = new SolidBrush(Color.FromArgb(50 + (int)(size * 150), freqCol));
e.Graphics.FillCircle(freqBrush, keyX, (letter.sup ? keyRect.Y : keyRect.Y + keyRect.Height), size * this.Height);
}
// Write note
if (true)
{
SizeF noteKeySize = e.Graphics.MeasureString(drawKey, textFont);
PointF noteKeyPos = new PointF(keyX - noteKeySize.Width / 2, keyY - noteKeySize.Height / 2);
e.Graphics.FillRectangle(bgContrastBrush, new RectangleF(noteKeyPos, noteKeySize));
e.Graphics.DrawString(drawKey, textFont, fgContrastBrush, keyX, keyY, centerTextFormat);
}
// Draw line
if (!letter.sup && !noteKey.Equals("C+2"))
{
PointF p1 = new PointF(keyRect.X + keyRect.Width - 2, keyRect.Y);
PointF p2 = new PointF(keyRect.X + keyRect.Width - 2, keyRect.Y + keyRect.Height);
e.Graphics.DrawLine(new Pen(fgContrastBrush), p1, p2);
}
e.Graphics.SetClip(clip, System.Drawing.Drawing2D.CombineMode.Replace);
if (letter.sup)
{
e.Graphics.DrawRectangle(new Pen(fgContrastBrush), Rectangle.Round(keyRect));
}
}