diff options
Diffstat (limited to 'source/ShiftUI/ToolStrip/ToolStripDropDownMenu.cs')
| -rw-r--r-- | source/ShiftUI/ToolStrip/ToolStripDropDownMenu.cs | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/source/ShiftUI/ToolStrip/ToolStripDropDownMenu.cs b/source/ShiftUI/ToolStrip/ToolStripDropDownMenu.cs new file mode 100644 index 0000000..7b5ed6f --- /dev/null +++ b/source/ShiftUI/ToolStrip/ToolStripDropDownMenu.cs @@ -0,0 +1,196 @@ +// +// ToolStripDropDownMenu.cs +// +// Permission is hereby granted, free of charge, to any person obtaining +// a copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to +// permit persons to whom the Software is furnished to do so, subject to +// the following conditions: +// +// The above copyright notice and this permission notice shall be +// included in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// +// Copyright (c) 2006 Jonathan Pobst +// +// Authors: +// Jonathan Pobst ([email protected]) +// + +using System.Drawing; +using System.ComponentModel; +using System.Runtime.InteropServices; +using ShiftUI.Layout; +using System; + +namespace ShiftUI +{ + [ComVisible (true)] + [ClassInterface (ClassInterfaceType.AutoDispatch)] + //[Designer ("ShiftUI.Design.ToolStripDropDownDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")] + public class ToolStripDropDownMenu : ToolStripDropDown + { + private ToolStripLayoutStyle layout_style; + private bool show_check_margin; + private bool show_image_margin; + + #region Public Constructors + public ToolStripDropDownMenu () : base () + { + this.layout_style = ToolStripLayoutStyle.Flow; + this.show_image_margin = true; + } + #endregion + + #region Public Properties + public override Rectangle DisplayRectangle { + get { return base.DisplayRectangle; } + } + + public override LayoutEngine LayoutEngine { + get { return base.LayoutEngine; } + } + + [DefaultValue (ToolStripLayoutStyle.Flow)] + public new ToolStripLayoutStyle LayoutStyle { + get { return this.layout_style; } + set { this.layout_style = value; } + } + + [DefaultValue (false)] + public bool ShowCheckMargin { + get { return this.show_check_margin; } + set { + if (this.show_check_margin != value) { + this.show_check_margin = value; + PerformLayout (this, "ShowCheckMargin"); + } + } + } + + [DefaultValue (true)] + public bool ShowImageMargin { + get { return this.show_image_margin; } + set { + if (this.show_image_margin != value) { + this.show_image_margin = value; + PerformLayout (this, "ShowImageMargin"); + } + } + } + #endregion + + #region Protected Properties + protected override Padding DefaultPadding { + get { return base.DefaultPadding; } + } + + protected internal override Size MaxItemSize { + get { return Size; } + } + #endregion + + #region Protected Methods + protected internal override ToolStripItem CreateDefaultItem (string text, Image image, EventHandler onClick) + { + return base.CreateDefaultItem (text, image, onClick); + } + + protected override void OnFontChanged (EventArgs e) + { + base.OnFontChanged (e); + } + + protected override void OnLayout (LayoutEventArgs e) + { + // Find the widest menu item + int widest = 0; + + foreach (ToolStripItem tsi in this.Items) { + if (!tsi.Available) + continue; + + tsi.SetPlacement (ToolStripItemPlacement.Main); + + widest = Math.Max (widest, tsi.GetPreferredSize (Size.Empty).Width); + } + + int x = this.Padding.Left; + + if (show_check_margin || show_image_margin) + widest += 68 - this.Padding.Horizontal; + else + widest += 47 - this.Padding.Horizontal; + + int y = this.Padding.Top; + + foreach (ToolStripItem tsi in this.Items) { + if (!tsi.Available) + continue; + + y += tsi.Margin.Top; + + int height = 0; + + Size preferred_size = tsi.GetPreferredSize (Size.Empty); + + if (preferred_size.Height > 22) + height = preferred_size.Height; + else if (tsi is ToolStripSeparator) + height = 7; + else + height = 22; + + tsi.SetBounds (new Rectangle (x, y, widest, height)); + y += height + tsi.Margin.Bottom; + } + + this.Size = new Size (widest + this.Padding.Horizontal, y + this.Padding.Bottom);// + 2); + this.SetDisplayedItems (); + this.OnLayoutCompleted (EventArgs.Empty); + this.Invalidate (); + } + + protected override void OnPaintBackground (PaintEventArgs e) + { + Rectangle affected_bounds = new Rectangle (Point.Empty, this.Size); + + ToolStripRenderEventArgs tsrea = new ToolStripRenderEventArgs (e.Graphics, this, affected_bounds, SystemColors.Control); + tsrea.InternalConnectedArea = CalculateConnectedArea (); + + this.Renderer.DrawToolStripBackground (tsrea); + + if (this.ShowCheckMargin || this.ShowImageMargin) { + tsrea = new ToolStripRenderEventArgs (e.Graphics, this, new Rectangle (tsrea.AffectedBounds.Location, new Size (25, tsrea.AffectedBounds.Height)), SystemColors.Control); + this.Renderer.DrawImageMargin (tsrea); + } + } + + protected override void SetDisplayedItems () + { + base.SetDisplayedItems (); + } + #endregion + + #region Internal Methods + internal override Rectangle CalculateConnectedArea () + { + if (this.OwnerItem != null && !this.OwnerItem.IsOnDropDown && !(this.OwnerItem is MdiWidgetStrip.SystemMenuItem)) { + Point owner_screen_loc = OwnerItem.GetCurrentParent ().PointToScreen (OwnerItem.Location); + return new Rectangle (owner_screen_loc.X - Left, 0, this.OwnerItem.Width - 1, 2); + } + + return base.CalculateConnectedArea (); + } + #endregion + } +} |