greenshot/GreenshotPlugin/UnmanagedHelpers/User32.cs
RKrom 8d458998a1 Moving back to trunk!
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1602 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
2012-01-24 19:24:36 +00:00

458 lines
17 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2011 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.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Text;
namespace GreenshotPlugin.UnmanagedHelpers {
public delegate int EnumWindowsProc(IntPtr hwnd, int lParam);
[StructLayout(LayoutKind.Sequential), Serializable()]
public struct POINT {
public int X;
public int Y;
public POINT(int x, int y) {
this.X = x;
this.Y = y;
}
public POINT(Point point) {
this.X = point.X;
this.Y = point.Y;
}
public static implicit operator System.Drawing.Point(POINT p) {
return new System.Drawing.Point(p.X, p.Y);
}
public static implicit operator POINT(System.Drawing.Point p) {
return new POINT(p.X, p.Y);
}
public Point ToPoint() {
return new Point(X, Y);
}
override public string ToString() {
return X +","+Y;
}
}
[StructLayout(LayoutKind.Sequential), Serializable()]
public struct RECT {
private int _Left;
private int _Top;
private int _Right;
private int _Bottom;
public RECT(RECT rectangle) : this(rectangle.Left, rectangle.Top, rectangle.Right, rectangle.Bottom) {
}
public RECT(Rectangle rectangle) : this(rectangle.Left, rectangle.Top, rectangle.Right, rectangle.Bottom) {
}
public RECT(int Left, int Top, int Right, int Bottom) {
_Left = Left;
_Top = Top;
_Right = Right;
_Bottom = Bottom;
}
public int X {
get { return _Left; }
set { _Left = value; }
}
public int Y {
get { return _Top; }
set { _Top = value; }
}
public int Left {
get { return _Left; }
set { _Left = value; }
}
public int Top {
get { return _Top; }
set { _Top = value; }
}
public int Right {
get { return _Right; }
set { _Right = value; }
}
public int Bottom {
get { return _Bottom; }
set { _Bottom = value; }
}
public int Height {
get { return _Bottom - _Top; }
set { _Bottom = value - _Top; }
}
public int Width {
get { return _Right - _Left; }
set { _Right = value + _Left; }
}
public Point Location {
get { return new Point(Left, Top); }
set {
_Left = value.X;
_Top = value.Y;
}
}
public Size Size {
get { return new Size(Width, Height); }
set {
_Right = value.Width + _Left;
_Bottom = value.Height + _Top;
}
}
public static implicit operator Rectangle(RECT Rectangle) {
return new Rectangle(Rectangle.Left, Rectangle.Top, Rectangle.Width, Rectangle.Height);
}
public static implicit operator RECT(Rectangle Rectangle) {
return new RECT(Rectangle.Left, Rectangle.Top, Rectangle.Right, Rectangle.Bottom);
}
public static bool operator ==(RECT Rectangle1, RECT Rectangle2)
{
return Rectangle1.Equals(Rectangle2);
}
public static bool operator !=(RECT Rectangle1, RECT Rectangle2) {
return !Rectangle1.Equals(Rectangle2);
}
public override string ToString() {
return "{Left: " + _Left + "; " + "Top: " + _Top + "; Right: " + _Right + "; Bottom: " + _Bottom + "}";
}
public override int GetHashCode() {
return ToString().GetHashCode();
}
public bool Equals(RECT Rectangle) {
return Rectangle.Left == _Left && Rectangle.Top == _Top && Rectangle.Right == _Right && Rectangle.Bottom == _Bottom;
}
public Rectangle ToRectangle() {
return new Rectangle(Left, Top, Width, Height);
}
public override bool Equals(object Object) {
if (Object is RECT) {
return Equals((RECT)Object);
} else if (Object is Rectangle) {
return Equals(new RECT((Rectangle)Object));
}
return false;
}
}
[StructLayout(LayoutKind.Sequential), Serializable()]
public struct WindowInfo {
public uint cbSize;
public RECT rcWindow;
public RECT rcClient;
public uint dwStyle;
public uint dwExStyle;
public uint dwWindowStatus;
public uint cxWindowBorders;
public uint cyWindowBorders;
public ushort atomWindowType;
public ushort wCreatorVersion;
// Allows automatic initialization of "cbSize" with "new WINDOWINFO(null/true/false)".
public WindowInfo(Boolean ? filler) : this() {
cbSize = (UInt32)(Marshal.SizeOf(typeof( WindowInfo )));
}
}
/// <summary>
/// Contains information about the placement of a window on the screen.
/// </summary>
[StructLayout(LayoutKind.Sequential), Serializable()]
public struct WindowPlacement {
/// <summary>
/// The length of the structure, in bytes. Before calling the GetWindowPlacement or SetWindowPlacement functions, set this member to sizeof(WINDOWPLACEMENT).
/// <para>
/// GetWindowPlacement and SetWindowPlacement fail if this member is not set correctly.
/// </para>
/// </summary>
public int Length;
/// <summary>
/// Specifies flags that control the position of the minimized window and the method by which the window is restored.
/// </summary>
public WindowPlacementFlags Flags;
/// <summary>
/// The current show state of the window.
/// </summary>
public ShowWindowCommand ShowCmd;
/// <summary>
/// The coordinates of the window's upper-left corner when the window is minimized.
/// </summary>
public POINT MinPosition;
/// <summary>
/// The coordinates of the window's upper-left corner when the window is maximized.
/// </summary>
public POINT MaxPosition;
/// <summary>
/// The window's coordinates when the window is in the restored position.
/// </summary>
public RECT NormalPosition;
/// <summary>
/// Gets the default (empty) value.
/// </summary>
public static WindowPlacement Default {
get {
WindowPlacement result = new WindowPlacement();
result.Length = Marshal.SizeOf( result );
return result;
}
}
}
[StructLayout(LayoutKind.Sequential)]
public struct CursorInfo {
public Int32 cbSize;
public Int32 flags;
public IntPtr hCursor;
public POINT ptScreenPos;
}
[StructLayout(LayoutKind.Sequential)]
public struct IconInfo {
public bool fIcon;
public Int32 xHotspot;
public Int32 yHotspot;
public IntPtr hbmMask;
public IntPtr hbmColor;
}
[Serializable, StructLayout(LayoutKind.Sequential)]
public struct SCROLLINFO {
public int cbSize;
public int fMask;
public int nMin;
public int nMax;
public int nPage;
public int nPos;
public int nTrackPos;
}
/// <summary>
/// User32 Wrappers
/// </summary>
public class User32 {
public const int WM_COMMAND = 0x111;
public const int WM_SYSCOMMAND = 0x112;
public const int SC_RESTORE = 0xF120;
public const int SC_CLOSE = 0xF060;
public const int SC_MAXIMIZE = 0xF030;
public const int SC_MINIMIZE = 0xF020;
public const int PW_DEFAULT = 0x00;
public const int PW_CLIENTONLY = 0x01;
/// <summary>
/// Stop flashing. The system restores the window to its original state.
/// </summary>
public const int FLASHW_STOP = 0;
/// <summary>
/// Flash the window caption.
/// </summary>
public const int FLASHW_CAPTION = 0x00000001;
/// <summary>
/// Flash the taskbar button.
/// </summary>
public const int FLASHW_TRAY = 0x00000002;
/// <summary>
/// Flash both the window caption and taskbar button.
/// </summary>
public const int FLASHW_ALL = (FLASHW_CAPTION | FLASHW_TRAY);
/// <summary>
/// Flash continuously, until the FLASHW_STOP flag is set.
/// </summary>
public const int FLASHW_TIMER = 0x00000004;
/// <summary>
/// Flash continuously until the window comes to the foreground.
/// </summary>
public const int FLASHW_TIMERNOFG = 0x0000000C;
public const Int32 CURSOR_SHOWING = 0x00000001;
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public extern static bool IsWindowVisible(IntPtr hWnd);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr GetWindowThreadProcessId(IntPtr hWnd, out IntPtr processId);
[DllImport("user32", SetLastError = true, ExactSpelling=true, CharSet=CharSet.Auto)]
public static extern IntPtr GetParent(IntPtr hWnd);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr GetWindow(IntPtr hWnd, GetWindowCommand uCmd);
[DllImport("user32", CharSet = CharSet.Auto, SetLastError = true)]
public extern static int GetWindowText(IntPtr hWnd, StringBuilder lpString, int cch);
[DllImport("user32", CharSet = CharSet.Auto, SetLastError = true)]
public extern static int GetWindowTextLength(IntPtr hWnd);
[DllImport("user32", SetLastError = true)]
public static extern uint GetSysColor(int nIndex);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool BringWindowToTop(IntPtr hWnd);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr GetForegroundWindow();
[DllImport("user32", SetLastError = true)]
public static extern IntPtr GetDesktopWindow();
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetForegroundWindow(IntPtr hWnd);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetWindowPlacement(IntPtr hWnd, ref WindowPlacement lpwndpl);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetWindowPlacement(IntPtr hWnd, [In] ref WindowPlacement lpwndpl);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public extern static bool IsIconic(IntPtr hWnd);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public extern static bool IsZoomed(IntPtr hwnd);
[DllImport("user32", CharSet = CharSet.Auto, SetLastError = true)]
public extern static int GetClassName (IntPtr hWnd, StringBuilder lpClassName, int nMaxCount);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool PrintWindow(IntPtr hwnd, IntPtr hDC, uint nFlags);
[DllImport("user32", SetLastError=true)]
public extern static int SendMessage(IntPtr hWnd, int wMsg, IntPtr wParam, IntPtr lParam);
[DllImport("user32", SetLastError=true, EntryPoint = "SendMessageA")]
public static extern bool SendMessage(IntPtr hWnd, uint msg, int wParam, int lParam);
[DllImport("user32", SetLastError=true)]
public extern static uint GetWindowLong(IntPtr hwnd, int index);
[DllImport("user32", SetLastError = true)]
public static extern int SetWindowLong(IntPtr hWnd, int index, uint styleFlags);
[DllImport("user32", EntryPoint="GetWindowLongPtr", SetLastError=true)]
public extern static IntPtr GetWindowLongPtr(IntPtr hwnd, int nIndex);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetWindowInfo(IntPtr hwnd, ref WindowInfo pwi);
[DllImport("user32", SetLastError = true)]
public extern static int EnumWindows(EnumWindowsProc lpEnumFunc, int lParam);
[DllImport("user32", SetLastError = true)]
public extern static int EnumChildWindows(IntPtr hWndParent, EnumWindowsProc lpEnumFunc, int lParam);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetScrollInfo(IntPtr hwnd, int fnBar, ref SCROLLINFO lpsi);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool ShowScrollBar(IntPtr hwnd, ScrollBarDirection scrollBar, bool show);
[DllImport("user32", SetLastError = true)]
public static extern int SetScrollPos(IntPtr hWnd, System.Windows.Forms.Orientation nBar, int nPos, bool bRedraw);
[DllImport("user32", SetLastError=true, EntryPoint = "PostMessageA")]
public static extern bool PostMessage(IntPtr hWnd, uint msg, int wParam, int lParam);
[DllImport("user32", SetLastError = true)]
public static extern RegionResult GetWindowRgn(IntPtr hWnd, IntPtr hRgn);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr GetWindowDC(IntPtr hWnd);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr ReleaseDC(IntPtr hWnd,IntPtr hDC);
[DllImport("user32", SetLastError = true)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, WindowPos uFlags);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr GetTopWindow(IntPtr hWnd);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr GetDC(IntPtr hwnd);
[DllImport("user32", SetLastError = true)]
public static extern void ReleaseDC(IntPtr dc);
[DllImport("user32", SetLastError = true)]
public static extern IntPtr GetClipboardOwner();
[DllImport("user32", SetLastError = true)]
public static extern IntPtr SetClipboardViewer(IntPtr hWndNewViewer);
[DllImport("user32", SetLastError = true, CharSet = CharSet.Auto)]
public static extern bool ChangeClipboardChain(IntPtr hWndRemove, IntPtr hWndNewNext);
[DllImport("user32", SetLastError = true)]
public static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);
/// uiFlags: 0 - Count of GDI objects
/// uiFlags: 1 - Count of USER objects
/// - Win32 GDI objects (pens, brushes, fonts, palettes, regions, device contexts, bitmap headers)
/// - Win32 USER objects:
/// - WIN32 resources (accelerator tables, bitmap resources, dialog box templates, font resources, menu resources, raw data resources, string table entries, message table entries, cursors/icons)
/// - Other USER objects (windows, menus)
///
[DllImport("user32", SetLastError = true)]
public static extern uint GetGuiResources(IntPtr hProcess, uint uiFlags);
public static uint GetGuiResourcesGDICount() {
return GetGuiResources(Process.GetCurrentProcess().Handle, 0);
}
public static uint GetGuiResourcesUserCount() {
return GetGuiResources(Process.GetCurrentProcess().Handle, 1);
}
[DllImport("user32", EntryPoint = "RegisterWindowMessageA", SetLastError = true)]
public static extern uint RegisterWindowMessage(string lpString);
[DllImport("user32", SetLastError=true, CharSet=CharSet.Auto)]
public static extern IntPtr SendMessageTimeout(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam, SendMessageTimeoutFlags fuFlags, uint uTimeout, out UIntPtr lpdwResult);
/// <summary>
/// Helper method to create a Win32 exception with the windows message in it
/// </summary>
/// <param name="method">string with current method</param>
/// <returns>Exception</returns>
public static Exception CreateWin32Exception(string method) {
Win32Exception exceptionToThrow = new Win32Exception();
exceptionToThrow.Data.Add("Method", method);
return exceptionToThrow;
}
[DllImport("user32", SetLastError = true)]
public static extern bool GetPhysicalCursorPos(out POINT cursorLocation);
[DllImport("user32", SetLastError=true)]
public static extern int MapWindowPoints(IntPtr hwndFrom, IntPtr hwndTo, ref POINT lpPoints, [MarshalAs(UnmanagedType.U4)] int cPoints);
#region icon
[DllImport("user32", SetLastError = true)]
public static extern IntPtr CopyIcon(IntPtr hIcon);
[DllImport("user32", SetLastError = true)]
public static extern bool DestroyIcon(IntPtr hIcon);
[DllImport("user32", SetLastError = true)]
public static extern bool GetCursorInfo(out CursorInfo cursorInfo);
[DllImport("user32", SetLastError = true)]
public static extern bool GetIconInfo(IntPtr hIcon, out IconInfo iconInfo);
[DllImport("user32", SetLastError = true)]
public static extern bool DrawIcon(IntPtr hDC, int X, int Y, IntPtr hIcon);
#endregion
}
}