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80 lines
3.0 KiB
C#
80 lines
3.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace CodeWalker.WinForms
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{
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public partial class ToolStripSpringTextBox : ToolStripTextBox
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{
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public override Size GetPreferredSize(Size constrainingSize)
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{
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// Use the default size if the text box is on the overflow menu
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// or is on a vertical ToolStrip.
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if (IsOnOverflow || Owner.Orientation == Orientation.Vertical)
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{
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return DefaultSize;
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}
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// Declare a variable to store the total available width as
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// it is calculated, starting with the display width of the
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// owning ToolStrip.
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Int32 width = Owner.DisplayRectangle.Width;
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// Subtract the width of the overflow button if it is displayed.
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if (Owner.OverflowButton.Visible)
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{
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width = width - Owner.OverflowButton.Width -
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Owner.OverflowButton.Margin.Horizontal;
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}
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// Declare a variable to maintain a count of ToolStripSpringTextBox
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// items currently displayed in the owning ToolStrip.
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Int32 springBoxCount = 0;
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foreach (ToolStripItem item in Owner.Items)
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{
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// Ignore items on the overflow menu.
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if (item.IsOnOverflow) continue;
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if (item is ToolStripSpringTextBox)
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{
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// For ToolStripSpringTextBox items, increment the count and
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// subtract the margin width from the total available width.
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springBoxCount++;
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width -= item.Margin.Horizontal;
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}
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else if (item is ToolStripSplitButton)
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{
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width = width - 32 - item.Margin.Horizontal; //dexyfex bugfix for changing split button image...
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}
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else
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{
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// For all other items, subtract the full width from the total
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// available width.
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width = width - item.Width - item.Margin.Horizontal;
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}
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}
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// If there are multiple ToolStripSpringTextBox items in the owning
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// ToolStrip, divide the total available width between them.
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if (springBoxCount > 1) width /= springBoxCount;
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// If the available width is less than the default width, use the
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// default width, forcing one or more items onto the overflow menu.
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if (width < DefaultSize.Width) width = DefaultSize.Width;
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// Retrieve the preferred size from the base class, but change the
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// width to the calculated width.
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Size size = base.GetPreferredSize(constrainingSize);
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size.Width = width;
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return size;
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}
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}
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}
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