private void panel_Paint(object sender, PaintEventArgs e)
{
if (minColumnWidth == 0 || rowHeight == 0)
{
return;
}
AllocTitleBrush();
// Paint each column
for (int c = 0; c < columnCount; c++)
{
// Find starting row in this column
int gi = 0;
int ci = -1;
bool blankLine = false;
for (int r = 0; r < vScrollBar.Value; r++)
{
NextRow(c, ref gi, ref ci, ref blankLine);
}
// Paint each visible row
for (int r = 0; r < fullRowsDisplayed + partialRowsDisplayed; r++)
{
Rectangle rect = new Rectangle(columnX[c],
rowHeight * r,
columnWidth[c],
rowHeight);
if (blankLine)
{
//e.Graphics.FillRectangle(SystemBrushes.Window, rect);
e.Graphics.FillRectangle(new SolidBrush(Color.FromArgb(22, 22, 22)), rect);
continue;
}
ColorGroup g = colorGroups[c][gi];
if (ci == -1)
{
//e.Graphics.FillRectangle(SystemBrushes.Window, rect);
e.Graphics.FillRectangle(new SolidBrush(Color.FromArgb(22, 22, 22)), rect);
e.Graphics.DrawString(g.Title, titleFont, titleBrush, rect, StringFormat.GenericDefault);
}
else
{
Color color = g.Colors[ci];
bool sel = (selGroup == g) && (selIndex == ci);
// Background color
//e.Graphics.FillRectangle(sel ? SystemBrushes.Highlight : SystemBrushes.Window, rect);
e.Graphics.FillRectangle(sel ? new SolidBrush(Color.FromArgb(100, 100, 100)) : new SolidBrush(Color.FromArgb(22, 22, 22)), rect);
// Draw color box
Brush colorBrush = new SolidBrush(color);
Rectangle colorRect = new Rectangle(rect.X + colorBoxOffset,
rect.Y + colorBoxOffset,
colorBoxWidth,
rect.Height - 2 * colorBoxOffset);
e.Graphics.FillRectangle(colorBrush, colorRect);
e.Graphics.DrawRectangle(SystemPens.WindowText, colorRect);
colorBrush.Dispose();
// Text
Rectangle textRect = new Rectangle(rect.X + colorTextOffset,
rect.Y,
rect.Width - colorTextOffset,
rect.Height);
e.Graphics.DrawString(" " + color.Name, colorFont,
sel ? Brushes.Gray : SystemBrushes.Highlight,
textRect, StringFormat.GenericDefault);
}
NextRow(c, ref gi, ref ci, ref blankLine);
}
}
}
/// <summary>
/// Generate color groups.
/// </summary>
/// <returns>Array of color groups.</returns>
public override ColorGroup[] GenerateColorGroups()
{
systemColors = new ColorGroup("System Colors");
//systemColors.Add(SystemColors.ActiveBorder);
//systemColors.Add(SystemColors.ActiveCaption);
//systemColors.Add(SystemColors.ActiveCaptionText);
//systemColors.Add(SystemColors.AppWorkspace);
//systemColors.Add(SystemColors.ButtonFace);
//systemColors.Add(SystemColors.ButtonHighlight);
//systemColors.Add(SystemColors.ButtonShadow);
//systemColors.Add(SystemColors.Control);
//systemColors.Add(SystemColors.ControlDark);
//systemColors.Add(SystemColors.ControlDarkDark);
//systemColors.Add(SystemColors.ControlLight);
//systemColors.Add(SystemColors.ControlLightLight);
//systemColors.Add(SystemColors.ControlText);
//systemColors.Add(SystemColors.Desktop);
//systemColors.Add(SystemColors.GradientActiveCaption);
//systemColors.Add(SystemColors.GradientInactiveCaption);
//systemColors.Add(SystemColors.GrayText);
//systemColors.Add(SystemColors.Highlight);
//systemColors.Add(SystemColors.HighlightText);
//systemColors.Add(SystemColors.HotTrack);
//systemColors.Add(SystemColors.InactiveBorder);
//systemColors.Add(SystemColors.InactiveCaption);
//systemColors.Add(SystemColors.InactiveCaptionText);
//systemColors.Add(SystemColors.Info);
//systemColors.Add(SystemColors.InfoText);
//systemColors.Add(SystemColors.Menu);
//systemColors.Add(SystemColors.MenuBar);
//systemColors.Add(SystemColors.MenuHighlight);
//systemColors.Add(SystemColors.MenuText);
//systemColors.Add(SystemColors.ScrollBar);
//systemColors.Add(SystemColors.Window);
//systemColors.Add(SystemColors.WindowFrame);
//systemColors.Add(SystemColors.WindowText);
systemColors.Add(WebColor.Zaffre);
systemColors.Add(WebColor.ZinnwalditeBrown);
systemColors.Add(WebColor.Zomp);
systemColors.Add(WebColor.Zaffre);
systemColors.Add(WebColor.ZinnwalditeBrown);
systemColors.Add(WebColor.Zomp);
systemColors.Add(WebColor.Zaffre);
systemColors.Add(WebColor.ZinnwalditeBrown);
systemColors.Add(WebColor.Zomp);
systemColors.Add(WebColor.Zaffre);
systemColors.Add(WebColor.ZinnwalditeBrown);
systemColors.Add(WebColor.Zomp);
systemColors.Add(WebColor.Zaffre);
systemColors.Add(WebColor.ZinnwalditeBrown);
systemColors.Add(WebColor.Zomp);
systemColors.Add(WebColor.Zaffre);
systemColors.Add(WebColor.ZinnwalditeBrown);
systemColors.Add(WebColor.Zaffre);
systemColors.Add(WebColor.ZinnwalditeBrown);
systemColors.Add(WebColor.Zomp);
systemColors.Add(WebColor.Zomp);
return(new ColorGroup[] { systemColors });
}
private void ChangeSelKey(Keys key)
{
int column = -1;
int row = -1;
int gi = -1;
int ci = -1;
bool blankLine = false;
if (!GetSelColorLocation(ref column, ref row, ref gi, ref ci))
{
column = 0;
gi = 0;
ci = 0;
}
else if (key == Keys.Up)
{
if (ci > 0 || gi > 0) // go up only if not at first row
{
PrevRow(column, ref gi, ref ci);
if (ci == -1) // if we hit title line, go up another line
{
PrevRow(column, ref gi, ref ci);
}
}
}
else if (key == Keys.Down)
{
if (gi < colorGroups[column].Length - 1 || ci < colorGroups[column][gi].Colors.Length - 1) // go down only if not at last row
{
NextRow(column, ref gi, ref ci, ref blankLine);
if (ci == -1) // if we hit title line, go down another line
{
NextRow(column, ref gi, ref ci, ref blankLine);
}
}
}
else if (key == Keys.Home) // goto top of current column
{
gi = 0;
ci = 0;
}
else if (key == Keys.End) // goto bottom of current column
{
gi = colorGroups[column].Length - 1;
ci = colorGroups[gi][ci].Colors.Length - 1;
}
else if (key == Keys.PageUp) // goto top of previous group
{
gi = Math.Max(0, gi - 1);
ci = 0;
}
else if (key == Keys.PageDown) // goto top of next group
{
gi = Math.Min(colorGroups[column].Length - 1, gi + 1);
ci = 0;
}
else // Left or Right
{
if (key == Keys.Left && column > 0)
{
column--;
}
else if (key == Keys.Right && column < columnCount - 1)
{
column++;
}
gi = 0;
ci = -1;
for (int r = 0; r < row; r++)
{
NextRow(column, ref gi, ref ci, ref blankLine);
}
if (blankLine || ci == -1) // if gone too far, or hit title line, go back up one line
{
PrevRow(column, ref gi, ref ci);
}
}
selGroup = colorGroups[column][gi];
selIndex = ci;
ScrollToMakeSelColorVisible();
}
/// <summary>
/// Organizes the color groups depending on the number of columns being displayed.
/// </summary>
/// <param name="groups">Array of array of color groups.</param>
public override void SplitColorGroups(ColorGroup[][] groups)
{
groups[0] = new ColorGroup[1];
AddColorGroup(systemColors);
}