/// <inheritdoc cref="GLOFC.GL4.Controls.GLBaseControl.SizeControl(Size)"/>
protected override void SizeControl(Size parentsize)
{
base.SizeControl(parentsize);
if (AutoSize)
{
GLMenuStrip p = Parent as GLMenuStrip;
ButtonAutoSize(p != null ? new Size(p.IconAreaWidth, 0) : Size.Empty);
}
}
/// <summary> Find top level menu of this tree </summary>
public GLMenuStrip GetTopLevelMenu()
{
GLMenuStrip m = this;
while (m.parentmenu != null)
{
m = m.parentmenu;
}
return(m);
}
/// <summary>
/// Select an item at index
/// </summary>
/// <param name="index">Index of item</param>
/// <param name="focusto">If true, change focus to item</param>
/// <returns>true if changed to item</returns>
public bool Select(int index, bool focusto)
{
if (submenu != null) // if submenu is activated..
{
if (index == selected) // if already selected, its open
{
return(true);
}
CloseSubMenus(); // close any current ones
}
if (index >= 0 && index < ControlsIZ.Count)
{
var mi = ControlsIZ[index] as GLMenuItem;
//System.Diagnostics.Debug.WriteLine("Selected " + index + " in " + Name);
if (mi != null && mi.SubMenuItems != null) // actually a submenu..
{
Point offset;
if (FlowDirection == ControlFlowDirection.Right) // pick co-ords based on flow
{
offset = new Point(mi.Left - this.ClientLeftMargin, this.Height);
}
else
{
offset = new Point(Width, mi.Top);
}
Point p = FindScreenCoords(offset); // find this point in bounds on screen
submenu = new GLMenuStrip(Name + "." + mi.Name, new Rectangle(p.X, p.Y, 200, 200)); // size is immaterial , autosize both
submenu.ScaleWindow = FindScaler();
//System.Diagnostics.Debug.WriteLine("Open menu " + submenu.Name + " " + submenu.Bounds);
submenu.Font = Font;
submenu.BackColor = this.BackColor;
submenu.BackColorGradientAlt = this.BackColorGradientAlt;
submenu.BackColorGradientDir = this.BackColorGradientDir;
submenu.IconStripBackColor = this.IconStripBackColor;
submenu.FlowDirection = ControlFlowDirection.Down;
submenu.AutoSize = true;
submenu.AutoOpenDelay = AutoOpenDelay;
submenu.parentmenu = this;
submenu.TopMost = true;
submenu.BorderWidth = SubMenuBorderWidth;
submenu.SubMenuBorderWidth = SubMenuBorderWidth;
submenu.AddItems(mi.SubMenuItems);
submenu.SetSelected(-1); // release all items for hover highlighting
AddToDesktop(submenu);
SetSelected(index); // set selected thus fixing highlight on this one
GetTopLevelMenu().SubmenuOpened?.Invoke(mi, submenu); // call, allowing configuration of the submenu
if (focusto) // used to transfer focus to submenu. Note submenu with focus has up/down keys
{
submenu.SetFocus();
}
else
{
SetFocus(); // else ensure we have the focus, in case due to keyboard hit
}
return(true);
}
else
{
SetSelected(index); // not a menu or other, select it
if (mi == null)
{
ControlsIZ[index].SetFocus(); // not a menu item, it gets focus.
}
return(true);
}
}
else
{
return(false);
}
}
/// <inheritdoc cref="GLOFC.GL4.Controls.GLBaseControl.Paint(Graphics)"/>
protected override void Paint(Graphics gr)
{
Rectangle butarea = ClientRectangle;
GLMenuStrip p = Parent as GLMenuStrip;
bool ica = IconAreaEnable && p != null;
if (ica)
{
butarea.Width -= p.IconAreaWidth;
butarea.X += p.IconAreaWidth;
}
if (Enabled && (Highlighted || (Hover && !DisableHoverHighlight)))
{
base.PaintButtonFace(ClientRectangle, gr, MouseOverColor);
}
else
{
if (ica)
{
using (Brush br = new SolidBrush(p.IconStripBackColor))
{
gr.FillRectangle(br, new Rectangle(0, 0, p.IconAreaWidth, ClientHeight));
}
}
base.PaintButtonFace(butarea, gr, Enabled ? ButtonFaceColour : ButtonFaceColour.Multiply(BackDisabledScaling));
}
//using (Brush inner = new SolidBrush(Color.Red)) gr.FillRectangle(inner, butarea); // Debug
base.PaintButtonTextImageFocus(butarea, gr, false); // don't paint the image
if (ica)
{
int reduce = (int)(p.IconAreaWidth * TickBoxReductionRatio);
Rectangle tickarea = new Rectangle((p.IconAreaWidth - reduce) / 2, (ClientHeight - reduce) / 2, reduce, reduce);
if (CheckState != CheckStateType.Unchecked)
{
float discaling = Enabled ? 1.0f : BackDisabledScaling;
Color checkboxbordercolour = CheckBoxBorderColor.Multiply(discaling); //(Enabled && Hover) ? MouseOverBackColor :
Color backcolour = (Enabled && Hover) ? MouseOverColor : ButtonFaceColour.Multiply(discaling);
using (Brush inner = new System.Drawing.Drawing2D.LinearGradientBrush(tickarea, CheckBoxInnerColor.Multiply(discaling), backcolour, 225))
gr.FillRectangle(inner, tickarea); // fill slightly over size to make sure all pixels are painted
using (Pen outer = new Pen(checkboxbordercolour)) // paint over to ensure good boundary
gr.DrawRectangle(outer, tickarea);
}
tickarea.Inflate(-1, -1); // reduce it around the drawn box above
if (Image != null) // if we have an image, draw it into the tick area
{
base.DrawImage(Image, tickarea, gr, (Enabled) ? drawnImageAttributesEnabled : drawnImageAttributesDisabled);
}
else
{
base.DrawTick(tickarea, Color.FromArgb(200, CheckColor.Multiply(Enabled ? 1.0F : ForeDisabledScaling)), CheckState, gr);
}
}
}