private void NotifyCustomDrawMenuBar(ref Message m)
{
m.Result = (IntPtr)NativeMethods.CDRF_DODEFAULT;
NativeMethods.LPNMTBCUSTOMDRAW tbcd = (NativeMethods.LPNMTBCUSTOMDRAW)m.GetLParam(typeof(NativeMethods.LPNMTBCUSTOMDRAW));
bool hot = ((tbcd.nmcd.uItemState & NativeMethods.CDIS_HOT) != 0);
bool selected = ((tbcd.nmcd.uItemState & NativeMethods.CDIS_SELECTED) != 0);
if (hot || selected)
{
NativeMethods.RECT rect = tbcd.nmcd.rc;
using (Graphics graphics = Graphics.FromHdc(tbcd.nmcd.hdc))
{
graphics.FillRectangle(SystemBrushes.Highlight, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top);
}
using (TextGraphics textGraphics = new TextGraphics(tbcd.nmcd.hdc))
{
Font font = this.Font;
string text = this.items[tbcd.nmcd.dwItemSpec].Text;
Size size = textGraphics.MeasureText(text, font);
Point point = new Point(rect.left + ((rect.right - rect.left - size.Width) / 2), rect.top + ((rect.bottom - rect.top - size.Height) / 2));
textGraphics.DrawText(text, point, font, SystemColors.HighlightText);
}
m.Result = (IntPtr)NativeMethods.CDRF_SKIPDEFAULT;
}
}
private void DrawText(TextGraphics textGraphics, string text, Point point, bool selected, bool disabled)
{
Color color = (disabled ? (selected ? SystemColors.GrayText : SystemColors.ControlDark) : (selected ? SystemColors.HighlightText : SystemColors.MenuText));
if ((!this.IsFlatMenu) && (disabled) && (!selected))
{
textGraphics.DrawText(text, new Point(point.X + 1, point.Y + 1), font, SystemColors.ControlLightLight);
}
textGraphics.DrawText(text, point, font, color);
}
protected override void OnDrawItem(DrawItemEventArgs e)
{
base.OnDrawItem(e);
Graphics graphics = e.Graphics;
Rectangle bounds = e.Bounds;
bool selected = ((e.State & DrawItemState.Selected) != 0);
bool disabled = ((e.State & DrawItemState.Disabled) != 0);
if (item is CommandBarSeparator)
{
Rectangle r = new Rectangle(bounds.X, bounds.Y + (bounds.Height / 2), bounds.Width, bounds.Height);
ControlPaint.DrawBorder3D(graphics, r, Border3DStyle.Etched, Border3DSide.Top);
}
else
{
this.DrawImage(graphics, bounds, selected, disabled);
int width = 6 + imageSize.Width;
this.DrawBackground(graphics, new Rectangle(bounds.X + width, bounds.Y, bounds.Width - width, bounds.Height), selected);
using (TextGraphics textGraphics = new TextGraphics(graphics))
{
if ((this.Text != null) && (this.Text.Length != 0))
{
Size size = textGraphics.MeasureText(this.Text, font);
Point point = new Point();
point.X = bounds.X + 3 + imageSize.Width + 6;
point.Y = bounds.Y + ((bounds.Height - size.Height) / 2);
this.DrawText(textGraphics, this.Text, point, selected, disabled);
}
CommandBarButtonBase buttonBase = item as CommandBarButtonBase;
if ((buttonBase != null) && (buttonBase.Shortcut != Keys.None))
{
string text = TypeDescriptor.GetConverter(typeof(Keys)).ConvertToString(null, CultureInfo.InvariantCulture, buttonBase.Shortcut);
Size size = textGraphics.MeasureText(text, font);
Point point = new Point();
point.X = bounds.X + bounds.Width - 3 - imageSize.Width - 3 - size.Width;
point.Y = bounds.Y + ((bounds.Height - size.Height) / 2);
this.DrawText(textGraphics, text, point, selected, disabled);
}
}
}
}
private void UpdateSize()
{
if (this.style == CommandBarStyle.Menu)
{
int fontHeight = Font.Height;
using (Graphics graphics = this.CreateGraphics())
{
using (TextGraphics textGraphics = new TextGraphics(graphics))
{
foreach (CommandBarItem item in items)
{
Size textSize = textGraphics.MeasureText(item.Text, this.Font);
if (fontHeight < textSize.Height)
{
fontHeight = textSize.Height;
}
}
}
}
NativeMethods.SendMessage(this.Handle, NativeMethods.TB_SETBUTTONSIZE, 0, (fontHeight << 16) | 0xffff);
}
Size size = new Size(0, 0);
for (int i = 0; i < items.Count; i++)
{
NativeMethods.RECT rect = new NativeMethods.RECT();
NativeMethods.SendMessage(Handle, NativeMethods.TB_GETRECT, i, ref rect);
int height = rect.bottom - rect.top;
if (height > size.Height)
{
size.Height = height;
}
size.Width += rect.right - rect.left;
}
this.Size = size;
}
protected override void OnMeasureItem(MeasureItemEventArgs e)
{
base.OnMeasureItem(e);
Graphics graphics = e.Graphics;
if (item is CommandBarSeparator)
{
e.ItemWidth = 0;
e.ItemHeight = SystemInformation.MenuHeight / 2;
}
else
{
Size size = new Size(0, 0);
size.Width += 3 + imageSize.Width + 3 + 3 + 1 + 3 + imageSize.Width + 3;
size.Height += 3 + imageSize.Height + 3;
string text = item.Text;
CommandBarButtonBase buttonBase = item as CommandBarButtonBase;
if ((buttonBase != null) && (buttonBase.Shortcut != Keys.None))
{
text += TypeDescriptor.GetConverter(typeof(Keys)).ConvertToString(null, CultureInfo.InvariantCulture, buttonBase.Shortcut);
}
using (TextGraphics textGraphics = new TextGraphics(graphics))
{
Size textSize = textGraphics.MeasureText(text, font);
size.Width += textSize.Width;
textSize.Height += 8;
if (textSize.Height > size.Height)
{
size.Height = textSize.Height;
}
}
e.ItemWidth = size.Width;
e.ItemHeight = size.Height;
}
}
