void ComboBox_DrawItem(object sender, DrawItemEventArgs e)
{
Graphics g = e.Graphics;
e.DrawBackground();
FontUIToolkit.DrawFontItem(g, (FontFamilyInfo)ComboBox.Items[e.Index], e.Bounds,
(e.State & DrawItemState.Selected) == DrawItemState.Selected);
}
void ComboBox_DrawItem(object sender, DrawItemEventArgs e)
{
Graphics g = e.Graphics;
e.DrawBackground();
if (e.Index >= 0 && e.Index < base.Items.Count)
{
FontUIToolkit.DrawFontItem(g, (FontFamily)base.Items[e.Index], e.Bounds,
(e.State & DrawItemState.Selected) == DrawItemState.Selected);
}
}
private void UpdateFontStyle()
{
chkStrikeout.Checked = (selectedFont.Style & FontStyle.Strikeout) == FontStyle.Strikeout;
chkUnderline.Checked = (selectedFont.Style & FontStyle.Underline) == FontStyle.Underline;
styleList.Items.Clear();
if (string.IsNullOrEmpty(selectedFont.Name))
{
styleList.Enabled = false;
}
else
{
styleList.Enabled = true;
using (FontFamily ff = new FontFamily(selectedFont.Name))
{
if (ff.IsStyleAvailable(FontStyle.Regular))
{
styleList.Items.Add("Regular");
}
if (ff.IsStyleAvailable(FontStyle.Italic))
{
styleList.Items.Add("Italic");
}
if (ff.IsStyleAvailable(FontStyle.Bold))
{
styleList.Items.Add("Bold");
}
if (ff.IsStyleAvailable(FontStyle.Bold | FontStyle.Italic))
{
styleList.Items.Add("Bold Italic");
}
chkStrikeout.Enabled = ff.IsStyleAvailable(FontStyle.Strikeout);
if (!chkStrikeout.Enabled)
{
chkStrikeout.Checked = false;
}
chkUnderline.Enabled = ff.IsStyleAvailable(FontStyle.Underline);
if (!chkUnderline.Enabled)
{
chkUnderline.Checked = false;
}
int foundOldStyle = -1;
for (int i = 0; i < styleList.Items.Count; i++)
{
string text = Convert.ToString(styleList.Items[i]);
FontStyle fs = FontUIToolkit.GetFontStyleByName(text,
"italic", "bold");
if (fs == SelectedFont.Style)
{
styleList.SelectedIndex = foundOldStyle = i;
break;
}
}
if (foundOldStyle == -1 && styleList.Items.Count > 0)
{
styleList.SelectedIndex = 0;
selectedFont.Style = FontUIToolkit.GetFontStyleByName(Convert.ToString(styleList.Items[0]),
"italic", "bold");
if (chkUnderline.Checked)
{
selectedFont.Style |= FontStyle.Underline;
}
if (chkStrikeout.Checked)
{
selectedFont.Style |= FontStyle.Strikeout;
}
}
}
}
txtStyle.Text = FontUIToolkit.GetFontStyleName(selectedFont.Style,
"Regular", "Italic", "Bold");
labSample.Invalidate();
}
public FontSettingsControl()
{
InitializeComponent();
ShowColorPicker = true;
sizeList.Items.AddRange(FontUIToolkit.FontSizeList.Select(f => (object)f).ToArray());
//----------------------------------------------
fontList.SelectedIndexChanged += (s, e) =>
{
if (!updateUI)
{
updateUI = true;
FontFamilyInfo fontFamily = (FontFamilyInfo)fontList.SelectedItem;
selectedFont.FontFamilyInfo = fontFamily;
UpdateFontStyle();
txtFont.Text = fontFamily.CultureName;
labSample.Invalidate();
updateUI = false;
RaiseFontNameChanged();
}
};
styleList.SelectedIndexChanged += (s, e) =>
{
if (!updateUI)
{
string style = styleList.SelectedItem as string;
if (!string.IsNullOrEmpty(style))
{
updateUI = true;
selectedFont.Style = FontUIToolkit.GetFontStyleByName(style, "italic", "bold");
if (chkUnderline.Checked)
{
selectedFont.Style |= FontStyle.Underline;
}
if (chkStrikeout.Checked)
{
selectedFont.Style |= FontStyle.Strikeout;
}
labSample.Invalidate();
updateUI = false;
RaiseFontStyleChanged();
}
}
};
sizeList.SelectedIndexChanged += (s, e) =>
{
if (!updateUI)
{
updateUI = true;
float size = sizeList.SelectedIndex == -1 ? 0 : ((float)sizeList.SelectedItem);
txtSize.Text = size == 0 ? string.Empty : size.ToString();
selectedFont.Size = size;
labSample.Invalidate();
updateUI = false;
RaiseFontSizeChanged();
}
};
//----------------------------------------------
txtFont.TextChanged += (s, e) =>
{
string fontName = txtFont.Text;
if (!string.IsNullOrEmpty(fontName))
{
SetFontNameByString(fontName);
}
};
txtFont.KeyDown += (s, e) =>
{
switch (e.KeyCode)
{
case Keys.Up:
if (fontList.SelectedIndex > 0)
{
fontList.SelectedIndex--;
}
e.Handled = true;
break;
case Keys.Down:
if (fontList.SelectedIndex < fontList.Items.Count - 1)
{
fontList.SelectedIndex++;
}
e.Handled = true;
break;
}
};
txtStyle.TextChanged += (s, e) =>
{
if (!updateUI)
{
updateUI = true;
string styleString = txtStyle.Text.Trim();
if (styleString.Length > 0)
{
foreach (string style in styleList.Items)
{
if (style.StartsWith(styleString, StringComparison.InvariantCultureIgnoreCase))
{
styleList.SelectedItem = style;
RaiseFontStyleChanged();
break;
}
}
}
updateUI = false;
}
};
txtStyle.KeyDown += (s, e) =>
{
switch (e.KeyCode)
{
case Keys.Up:
if (styleList.SelectedIndex > 0)
{
styleList.SelectedIndex--;
}
e.Handled = true;
break;
case Keys.Down:
if (styleList.SelectedIndex < styleList.Items.Count - 1)
{
styleList.SelectedIndex++;
}
e.Handled = true;
break;
}
};
txtSize.TextChanged += (s, e) =>
{
if (!updateUI && txtSize.Text.Trim().Length > 0)
{
string sizeStr = txtSize.Text;
if (sizeStr.StartsWith(" ") || sizeStr.EndsWith(" "))
{
sizeStr = sizeStr.Trim();
}
float inputSize = SystemFonts.DefaultFont.Size;
float.TryParse(txtSize.Text, out inputSize);
for (int i = 0; i < sizeList.Items.Count; i++)
{
if ((float)sizeList.Items[i] == inputSize)
{
sizeList.SelectedIndex = i;
RaiseFontSizeChanged();
break;
}
}
selectedFont.Size = inputSize;
labSample.Invalidate();
}
};
txtSize.KeyDown += (s, e) =>
{
switch (e.KeyCode)
{
case Keys.Up:
if (sizeList.SelectedIndex > 0)
{
sizeList.SelectedIndex--;
}
e.Handled = true;
break;
case Keys.Down:
if (sizeList.SelectedIndex < sizeList.Items.Count - 1)
{
sizeList.SelectedIndex++;
}
e.Handled = true;
break;
}
};
labSample.Paint += (s, e) =>
{
Graphics g = e.Graphics;
g.Clear(Color.White);
if (labSample.ForeColor.A < 255)
{
GraphicsToolkit.DrawTransparentBlock(g, labSample.ClientRectangle);
}
using (StringFormat sf = new StringFormat()
{
Alignment = StringAlignment.Center,
LineAlignment = StringAlignment.Center,
FormatFlags = StringFormatFlags.NoWrap,
})
{
using (Brush b = new SolidBrush(labSample.ForeColor))
{
if (selectedFont != null && !string.IsNullOrEmpty(selectedFont.Name) &&
selectedFont.Size > 0)
{
try
{
using (Font font = new Font(SelectedFont.Name, SelectedFont.Size, SelectedFont.Style))
{
g.DrawString(labSample.Text, font, b, labSample.ClientRectangle, sf);
}
}
catch { }
}
}
}
};
chkUnderline.CheckedChanged += (s, e) =>
{
if (chkUnderline.Checked)
{
selectedFont.Style |= FontStyle.Underline;
}
else
{
selectedFont.Style &= ~FontStyle.Underline;
}
labSample.Invalidate();
RaiseFontStyleChanged();
};
chkStrikeout.CheckedChanged += (s, e) =>
{
if (chkStrikeout.Checked)
{
selectedFont.Style |= FontStyle.Strikeout;
}
else
{
selectedFont.Style &= ~FontStyle.Strikeout;
}
labSample.Invalidate();
RaiseFontStyleChanged();
};
fontColor.ColorSelected += (s, e) =>
{
labSample.ForeColor = fontColor.SolidColor;
if (SelectedFontColorChanged != null)
{
SelectedFontColorChanged(this, null);
}
};
}
private void SetFontStyleByStyle(FontStyle style)
{
txtStyle.Text = FontUIToolkit.GetFontStyleName(style, "Regular", "Italic", "Bold");
}
