github/greenshot
1
0
Fork 0
mirror of https://github.com/greenshot/greenshot synced 2025-08-14 02:37:03 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fixed problems in the designer with the last changes, also added some future code which is disabled. And uncommented the "Greenshot-filetype" registration in the installer.

Browse source 
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2375 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-12-11 11:51:41 +00:00
commit e11450f56f
7 changed files with 161 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

96
Greenshot/Helpers/HookHelper.cs Normal file
View file

@ -0,0 +1,96 @@
/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2012 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
*
* 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 1 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, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using System.Text;
using GreenshotPlugin.UnmanagedHelpers;
using System.Diagnostics;
using GreenshotPlugin.Core;
namespace Greenshot.Helpers {
public class HookHelper {
private static readonly log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(HookHelper));
private static List<IntPtr> hooks = new List<IntPtr>();
private static WinEventDelegate _winEventProc;
private static uint oleEventThread = 0;
/// <summary>
/// Remove the made hooks
/// </summary>
public static void Unhook() {
LOG.Debug("Cleaning winEvent hooks");
foreach (IntPtr hook in hooks) {
if (hook != IntPtr.Zero) {
User32.UnhookWinEvent(hook);
}
}
}
/// <summary>
/// Hook the WinEvents we are interested in
/// </summary>
public static void Hook() {
LOG.Debug("Starting winEvent hooks");
_winEventProc = new WinEventDelegate(WinEventProc);
int processID = 0; //Process.GetCurrentProcess().Id;
hooks.Add(User32.SetWinEventHook(WinEvent.EVENT_OBJECT_CREATE, WinEvent.EVENT_OBJECT_HIDE, IntPtr.Zero, _winEventProc, processID, 0, WinEventHookFlags.WINEVENT_SKIPOWNPROCESS));
hooks.Add(User32.SetWinEventHook(WinEvent.EVENT_OBJECT_LOCATIONCHANGE, WinEvent.EVENT_OBJECT_LOCATIONCHANGE, IntPtr.Zero, _winEventProc, 0, 0, WinEventHookFlags.WINEVENT_SKIPOWNPROCESS));
hooks.Add(User32.SetWinEventHook(WinEvent.EVENT_SYSTEM_MENUSTART, WinEvent.EVENT_SYSTEM_MENUPOPUPEND, IntPtr.Zero, _winEventProc, processID, 0, WinEventHookFlags.WINEVENT_SKIPOWNPROCESS));
}
/// <summary>
/// Handle the WinEvent
/// </summary>
/// <param name="hWinEventHook">The Hook IntPtr</param>
/// <param name="eventType">Event Type to handle, enum WinEvent</param>
/// <param name="hwnd">Window handle which caused the event</param>
/// <param name="idObject">Object ID, enum EventObjects</param>
/// <param name="idChild">Child ID of the window</param>
/// <param name="dwEventThread">Thread which generated the ID</param>
/// <param name="dwmsEventTime"></param>
private static void WinEventProc(IntPtr hWinEventHook, WinEvent eventType, IntPtr hwnd, EventObjects idObject, int idChild, uint dwEventThread, uint dwmsEventTime) {
// Check if it's an event generated by a Window
if (hwnd == IntPtr.Zero || idObject != EventObjects.OBJID_WINDOW) {
// Other events do not interest us.
return;
}
String classname = null;
// Check if the event was generated by the OLE Event Thread, which causes a lot of create/destroy
if (oleEventThread != 0 && dwEventThread == oleEventThread) {
return;
}
// Only get the classname when it's not a destroy (classname is not available)
if (eventType == WinEvent.EVENT_OBJECT_CREATE) {
classname = WindowDetails.GetClassName(hwnd);
// Make sure the OleMainThreadWndClass events are ignored.
if (oleEventThread == 0) {
if (classname == "OleMainThreadWndClass") {
oleEventThread = dwEventThread;
return;
}
}
}
LOG.DebugFormat("eventType={0},hwnd={1},classname={4},idObject={2},idChild={3},dwEventThread={5}", eventType, hwnd, idObject, idChild, classname, dwEventThread);
}
}
}