77 lines
2.4 KiB
C#
77 lines
2.4 KiB
C#
|
using System;
|
|||
|
|
using System.Collections.Generic;
|
|||
|
|
using System.Drawing;
|
|||
|
|
using System.Linq;
|
|||
|
|
using System.Windows.Forms;
|
|||
|
|
|
|||
|
|
namespace Mesen.GUI
|
|||
|
|
{
|
|||
|
|
//Everything in here is a workaround for issues with dropdown menus in the latest version of Mono (5.18)
|
|||
|
|
//Bug report:
|
|||
|
|
//https://github.com/mono/mono/issues/12644
|
|||
|
|
static class MonoToolStripHelper
|
|||
|
|
{
|
|||
|
|
private static HashSet<ToolStripDropDown> _openedDropdowns = new HashSet<ToolStripDropDown>();
|
|||
|
|
|
|||
|
|
public static void DropdownOpening(object sender, EventArgs e)
|
|||
|
|
{
|
|||
|
|
ToolStripDropDownItem ddItem = (ToolStripDropDownItem)sender;
|
|||
|
|
if(!ddItem.GetCurrentParent().Visible) {
|
|||
|
|
ddItem.DropDown.Close();
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
HashSet<object> parents = new HashSet<object>();
|
|||
|
|
parents.Add(ddItem.GetCurrentParent());
|
|||
|
|
ToolStripItem parent = ddItem.OwnerItem;
|
|||
|
|
if(parent != null) {
|
|||
|
|
parents.Add(parent);
|
|||
|
|
parents.Add(parent.GetCurrentParent());
|
|||
|
|
while((parent = parent.OwnerItem) != null) {
|
|||
|
|
parents.Add(parent);
|
|||
|
|
parents.Add(parent.GetCurrentParent());
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
foreach(ToolStripDropDown openedDropdown in _openedDropdowns.ToList()) {
|
|||
|
|
//Close all non-parent dropdowns when opening a new dropdown
|
|||
|
|
if(!parents.Contains(openedDropdown.OwnerItem) && !parents.Contains(openedDropdown)) {
|
|||
|
|
openedDropdown.Close();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
_openedDropdowns.Add(ddItem.DropDown);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static void DropdownClosed(object sender, EventArgs e)
|
|||
|
|
{
|
|||
|
|
ToolStripDropDownItem ddItem = (ToolStripDropDownItem)sender;
|
|||
|
|
ToolStripDropDown parent = ddItem.GetCurrentParent() as ToolStripDropDown;
|
|||
|
|
if(parent != null) {
|
|||
|
|
Point pos = parent.PointToClient(Cursor.Position);
|
|||
|
|
if(pos.X < 0 || pos.Y < 0 || pos.X > parent.Width || pos.Y > parent.Height) {
|
|||
|
|
//When closing a dropdown, if the mouse isn't inside its parent, close all the parent, too.
|
|||
|
|
parent.Close();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
_openedDropdowns.Remove(ddItem.DropDown);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static void ContextMenuOpening(object sender, EventArgs e)
|
|||
|
|
{
|
|||
|
|
//Close all existing dropdowns with no exception when a context menu opens
|
|||
|
|
foreach(ToolStripDropDown openedDropdown in _openedDropdowns.ToList()) {
|
|||
|
|
openedDropdown.Close();
|
|||
|
|
}
|
|||
|
|
_openedDropdowns = new HashSet<ToolStripDropDown>();
|
|||
|
|
_openedDropdowns.Add((ContextMenuStrip)sender);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public static void ContextMenuClosed(object sender, EventArgs e)
|
|||
|
|
{
|
|||
|
|
_openedDropdowns.Remove((ContextMenuStrip)sender);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|