using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using Storm.TextEditor.Win32.Structs;
namespace Storm.TextEditor.Win32
{
public static class NativeUser32Api
{
#region Fields
public const int GWL_STYLE = -16;
public const int WS_CHILD = 0x40000000;
#endregion
#region Natives (DllImport)
[DllImport("user32.dll")]
public static extern Int32 SendMessage(IntPtr pWnd, UInt32 uMsg,
UInt32 wParam, IntPtr lParam);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool AnimateWindow(IntPtr hWnd, uint dwTime, uint dwFlags);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern IntPtr BeginPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool ClientToScreen(IntPtr hWnd, ref POINTAPI pt);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool DispatchMessage(ref MSG msg);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool DrawFocusRect(IntPtr hWnd, ref RECTAPI rect);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool EndPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern IntPtr GetDC(IntPtr hWnd);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern IntPtr GetFocus();
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern ushort GetKeyState(int virtKey);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool GetMessage(ref MSG msg, int hWnd,
uint wFilterMin, uint wFilterMax);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern IntPtr GetParent(IntPtr hWnd);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern int GetWindowLong(IntPtr hWnd, int nIndex);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool GetWindowRect(IntPtr hWnd, ref RECTAPI rect);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool HideCaret(IntPtr hWnd);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool InvalidateRect(IntPtr hWnd,
ref RECTAPI rect, bool erase);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern IntPtr LoadCursor(IntPtr hInstance, uint cursor);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool MoveWindow(IntPtr hWnd, int x, int y,
int width, int height, bool repaint);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool PeekMessage(ref MSG msg, int hWnd, uint wFilterMin,
uint wFilterMax, uint wFlag);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool PostMessage(IntPtr hWnd, int Msg,
uint wParam, uint lParam);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool ReleaseCapture();
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool ScreenToClient(IntPtr hWnd, ref POINTAPI pt);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern uint SendMessage(IntPtr hWnd, int Msg,
uint wParam, uint lParam);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern IntPtr SetCursor(IntPtr hCursor);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern IntPtr SetFocus(IntPtr hWnd);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int newLong);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern int SetWindowPos(IntPtr hWnd, IntPtr hWndAfter,
int X, int Y, int Width,
int Height, uint flags);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool SetWindowRgn(IntPtr hWnd, IntPtr hRgn, bool redraw);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool ShowCaret(IntPtr hWnd);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern int ShowWindow(IntPtr hWnd, short cmdShow);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool SystemParametersInfo(uint uiAction, uint uiParam,
ref int bRetValue, uint fWinINI);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool TrackMouseEvent(ref TRACKMOUSEEVENTS tme);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool TranslateMessage(ref MSG msg);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool UpdateLayeredWindow(IntPtr hwnd, IntPtr hdcDst,
ref POINTAPI pptDst,
ref SIZE psize, IntPtr hdcSrc,
ref POINTAPI pprSrc, int crKey,
ref BLENDFUNCTION pblend,
int dwFlags);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool UpdateWindow(IntPtr hwnd);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public static extern bool WaitMessage();
[DllImport("user32.dll")]
public static extern int SendMessage(IntPtr hWnd, int msg,
int wParam, COMPOSITIONFORM lParam);
[DllImport("user32.dll")]
public static extern int SendMessage(IntPtr hWnd, int msg,
int wParam, LogFont lParam);
[DllImport("user32.dll", SetLastError = false, CharSet =
CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
public static extern int DrawText(IntPtr hDC, string lpString,
int nCount, ref RECTAPI Rect, int wFormat);
[DllImport("user32.dll")]
public static extern IntPtr GetDesktopWindow();
[DllImport("user32.dll", EntryPoint = "SendMessage")]
public static extern int SendMessage(IntPtr hWND, int message,
int WParam, int LParam);
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention =
CallingConvention.StdCall)]
public static extern IntPtr GetWindowDC(IntPtr hWND);
[DllImport("user32.dll")]
public static extern IntPtr WindowFromDC(int hdc);
[DllImport("user32.dll", SetLastError = false, CharSet = CharSet.Auto,
CallingConvention = CallingConvention.StdCall)]
public static extern int TabbedTextOut(IntPtr hDC, int x, int y,
string lpString, int nCount,
int nTabPositions,
ref int lpnTabStopPositions,
int nTabOrigin);
[DllImport("user32.dll", SetLastError = false, CharSet =
CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
public static extern int FillRect(IntPtr hDC, ref RECTAPI rect, IntPtr hBrush);
[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)]
public static extern uint GetTabbedTextExtent(IntPtr hDC, string lpString,
int nCount, int nTabPositions,
ref int lpnTabStopPositions);
[DllImport("user32.dll", SetLastError = false, CharSet =
CharSet.Auto, CallingConvention = CallingConvention.StdCall)]
public static extern int InvertRect(IntPtr hDC, ref RECTAPI rect);
[DllImport("user32.dll", CharSet = CharSet.Auto, CallingConvention =
CallingConvention.StdCall)]
public static extern UInt16 GetAsyncKeyState(int vKey);
[DllImport("user32.dll")]
public static extern IntPtr CreateWindowEx(
uint dwExStyle,
string lpClassName,
string lpWindowName,
uint dwStyle,
int x,
int y,
int nWidth,
int nHeight,
IntPtr hWndParent,
IntPtr hMenu,
IntPtr hInstance,
IntPtr lpParam);
#endregion
#region Non-native
/// <summary>
/// Returns whether the given key is currently pressed.
/// </summary>
/// <param name="k">Key to check whether is pressed.</param>
/// <returns>Whether the given key is currently pressed.</returns>
public static bool IsKeyPressed(Keys k)
{
int s = (int)GetAsyncKeyState((int)k);
s = (s & 0x8000) >> 15;
return (s == 1);
}
/// <summary>
/// Returns the given Control's DC.
/// </summary>
/// <param name="control">Control to return DC of.</param>
/// <returns>DC of the given Control.</returns>
public static IntPtr ControlDC(Control control)
{ return GetDC(control.Handle); }
/// <summary>
/// Returns the given color as an integer.
/// </summary>
/// <param name="color">Color to convert.</param>
/// <returns>The given color as an integer.</returns>
public static int ColorToInt(Color color)
{ return (color.B << 16 | color.G << 8 | color.R); }
/// <summary>
/// Returns the given integer as a color.
/// </summary>
/// <param name="color">Integer to convert.</param>
/// <returns>The given integer as a color.</returns>
public static Color IntToColor(int color)
{
int b = (color >> 16) & 0xFF;
int g = (color >> 8) & 0xFF;
int r = (color) & 0xFF;
return Color.FromArgb(r, g, b);
}
#endregion
}
}