#region License Information (GPL v3)
/*
ShareX - A program that allows you to take screenshots and share any file type
Copyright (c) 2007-2016 ShareX Team
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Optionally you can also view the license at .
*/
#endregion License Information (GPL v3)
using ShareX.HelpersLib;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Threading;
namespace ShareX.ScreenCaptureLib
{
public class WindowsRectangleList
{
public IntPtr IgnoreHandle { get; set; }
public bool IncludeChildWindows { get; set; }
private List windows;
private HashSet parentHandles;
public List GetWindowInfoListAsync(int timeout)
{
List windowInfoList = null;
Thread t = new Thread(() =>
{
try
{
windowInfoList = GetWindowInfoList();
}
catch
{
}
});
t.Start();
if (!t.Join(timeout))
{
t.Abort();
}
return windowInfoList;
}
public List GetWindowInfoList()
{
windows = new List();
parentHandles = new HashSet();
NativeMethods.EnumWindowsProc ewp = EvalWindow;
NativeMethods.EnumWindows(ewp, IntPtr.Zero);
List result = new List();
foreach (SimpleWindowInfo window in windows)
{
bool rectVisible = true;
foreach (SimpleWindowInfo window2 in result)
{
if (window2.Rectangle.Contains(window.Rectangle))
{
rectVisible = false;
break;
}
}
if (rectVisible)
{
result.Add(window);
}
}
return result;
}
private bool EvalWindow(IntPtr hWnd, IntPtr lParam)
{
return CheckHandle(hWnd, true);
}
private bool EvalControl(IntPtr hWnd, IntPtr lParam)
{
return CheckHandle(hWnd, false);
}
private bool CheckHandle(IntPtr handle, bool isWindow)
{
if (handle == IgnoreHandle || !NativeMethods.IsWindowVisible(handle))
{
return true;
}
SimpleWindowInfo windowInfo = new SimpleWindowInfo(handle);
if (isWindow)
{
windowInfo.IsWindow = true;
windowInfo.Rectangle = CaptureHelpers.GetWindowRectangle(handle);
}
else
{
windowInfo.Rectangle = NativeMethods.GetWindowRect(handle);
}
if (!windowInfo.Rectangle.IsValid())
{
return true;
}
if (IncludeChildWindows && !parentHandles.Contains(handle))
{
parentHandles.Add(handle);
NativeMethods.EnumWindowsProc ewp = EvalControl;
NativeMethods.EnumChildWindows(handle, ewp, IntPtr.Zero);
}
if (isWindow)
{
Rectangle clientRect = NativeMethods.GetClientRect(handle);
if (clientRect.IsValid() && clientRect != windowInfo.Rectangle)
{
windows.Add(new SimpleWindowInfo(handle, clientRect));
}
}
windows.Add(windowInfo);
return true;
}
}
}