notifywindow.cs

股票操作员每日一记 源程序 股票操作员每日一记 源程序

			}

			// Next draw borders...
			drawBorder (e.Graphics);
		}

		protected virtual void drawBorder (Graphics fx)
		{
			fx.DrawRectangle (Pens.Silver, 2, 2, Width - 4, ActualHeight - 4);
			
			// Top border
			fx.DrawLine (Pens.Silver, 0, 0, Width, 0);
			fx.DrawLine (Pens.White, 0, 1, Width, 1);
			fx.DrawLine (Pens.DarkGray, 3, 3, Width - 4, 3);
			fx.DrawLine (Pens.DimGray, 4, 4, Width - 5, 4);

			// Left border
			fx.DrawLine (Pens.Silver, 0, 0, 0, ActualHeight);
			fx.DrawLine (Pens.White, 1, 1, 1, ActualHeight);
			fx.DrawLine (Pens.DarkGray, 3, 3, 3, ActualHeight - 4);
			fx.DrawLine (Pens.DimGray, 4, 4, 4, ActualHeight - 5);

			// Bottom border
			fx.DrawLine (Pens.DarkGray, 1, ActualHeight - 1, Width - 1, ActualHeight - 1);
			fx.DrawLine (Pens.White, 3, ActualHeight - 3, Width - 3, ActualHeight - 3);
			fx.DrawLine (Pens.Silver, 4, ActualHeight - 4, Width - 4, ActualHeight - 4);

			// Right border
			fx.DrawLine (Pens.DarkGray, Width - 1, 1, Width - 1, ActualHeight - 1);
			fx.DrawLine (Pens.White, Width - 3, 3, Width - 3, ActualHeight - 3);
			fx.DrawLine (Pens.Silver, Width - 4, 4, Width - 4, ActualHeight - 4);
		}

		protected virtual void drawCloseButton (Graphics fx)
		{
			if (visualStylesEnabled())
				drawThemeCloseButton (fx);
			else
				drawLegacyCloseButton (fx);
		}

		/// <summary>
		/// Draw a Windows XP style close button.
		/// </summary>
		protected void drawThemeCloseButton (Graphics fx)
		{
			IntPtr hTheme = OpenThemeData (Handle, "Window");
			if (hTheme == IntPtr.Zero)
			{
				drawLegacyCloseButton (fx);
				return;
			}
			int stateId;
			if (closePressed)
				stateId = CBS_PUSHED;
			else if (closeHot)
				stateId = CBS_HOT;
			else
				stateId = CBS_NORMAL;
			RECT reClose = new RECT (rClose);
			RECT reClip = reClose; // should fx.VisibleClipBounds be used here?
			IntPtr hDC = fx.GetHdc();
			DrawThemeBackground (hTheme, hDC, WP_CLOSEBUTTON, stateId, ref reClose, ref reClip);
			fx.ReleaseHdc (hDC);
			CloseThemeData (hTheme);
		}

		/// <summary>
		/// Draw a Windows 95 style close button.
		/// </summary>
		protected void drawLegacyCloseButton (Graphics fx)
		{
			ButtonState bState;
			if (closePressed)
				bState = ButtonState.Pushed;
			else // the Windows 95 theme doesn't have a "hot" button
				bState = ButtonState.Normal;
			ControlPaint.DrawCaptionButton (fx, rClose, CaptionButton.Close, bState);
		}

		/// <summary>
		/// Determine whether or not XP Visual Styles are active.  Compatible with pre-UxTheme.dll versions of Windows.
		/// </summary>
		protected bool visualStylesEnabled()
		{
			try
			{
				if (IsThemeActive() == 1)
					return true;
				else
					return false;
			}
			catch (System.DllNotFoundException)  // pre-XP systems which don't have UxTheme.dll
			{
				return false;
			}
		}
		#endregion

		#region Timers and EventHandlers
		protected void viewTimer (object sender, System.EventArgs e)
		{
			switch (ClockState)
			{
				case ClockStates.Opening:
					if (Top - 2 <= rScreen.Height - ActualHeight)
					{
						Top = rScreen.Height - ActualHeight;
						Height = ActualHeight;
						ClockState = ClockStates.Showing;
						viewClock.Interval = WaitTime;
					}
					else
					{
						Top -= 2;
						Height += 2;
					}
					break;

                case ClockStates.Showing:
                    if (!WaitOnMouseOver || !rGlobDisplay.Contains(Cursor.Position))
                    {
                        viewClock.Interval = 1;
                        ClockState = ClockStates.Closing;
                    }
                    break;

                case ClockStates.Closing:
                    Top += 2;
                    Height -= 2;
                    if (Top >= rScreen.Height)
                    {
                        ClockState = ClockStates.None;
                        viewClock.Stop();
                        viewClock.Dispose();
                        Close();
                    }
                    break;
			}
		}

		protected override void OnMouseMove (System.Windows.Forms.MouseEventArgs e)
		{
			if (Title != null && rGlobTitle.Contains (Cursor.Position) && !textPressed && !closePressed)
			{
				Cursor = Cursors.Hand;
				titleHot = true;
				textHot = false;  closeHot = false;
				Invalidate();
			}
			else if (rGlobText.Contains (Cursor.Position) && !titlePressed && !closePressed)
			{
				Cursor = Cursors.Hand;
				textHot = true;
				titleHot = false;  closeHot = false;
				Invalidate();
			}
			else if (rGlobClose.Contains (Cursor.Position) && !titlePressed && !textPressed)
			{
				Cursor = Cursors.Hand;
				closeHot = true;
				titleHot = false;  textHot = false;
				Invalidate();
			}
			else if ((textHot || titleHot || closeHot) && (!titlePressed && !textPressed && !closePressed))
			{
				Cursor = Cursors.Default;
				titleHot = false;  textHot = false;  closeHot = false;
				Invalidate();
			}
			base.OnMouseMove (e);
		}

		protected override void OnMouseDown (System.Windows.Forms.MouseEventArgs e)
		{
			if (e.Button == MouseButtons.Left)
			{
				if (rGlobClose.Contains (Cursor.Position))
				{
					closePressed = true;
					closeHot = false;
					Invalidate();
				}
				else if (rGlobText.Contains (Cursor.Position))
				{
					textPressed = true;
					Invalidate();
				}
				else if (Title != null && rGlobTitle.Contains (Cursor.Position))
				{
					titlePressed = true;
					Invalidate();
				}
			}
			base.OnMouseDown (e);
		}

		protected override void OnMouseUp (System.Windows.Forms.MouseEventArgs e)
		{
			if (e.Button == MouseButtons.Left)
			{
				if (closePressed)
				{
					Cursor = Cursors.Default;
					closePressed = false;
					closeHot = false;
					Invalidate();
					if (rGlobClose.Contains (Cursor.Position))
						Close();
				}
				else if (textPressed)
				{
					Cursor = Cursors.Default;
					textPressed = false;
					textHot = false;
					Invalidate();
					if (rGlobText.Contains (Cursor.Position))
					{
						Close();
						if (TextClicked != null)
							TextClicked (this, new System.EventArgs());
					}
				}
				else if (titlePressed)
				{
					Cursor = Cursors.Default;
					titlePressed = false;
					titleHot = false;
					Invalidate();
					if (rGlobTitle.Contains (Cursor.Position))
					{
						Close();
						if (TitleClicked != null)
							TitleClicked (this, new System.EventArgs());
					}
				}
			}
			base.OnMouseUp (e);
		}
		#endregion

		#region P/Invoke
		// DrawThemeBackground()
		protected const Int32 WP_CLOSEBUTTON = 18;
		protected const Int32 CBS_NORMAL = 1;
		protected const Int32 CBS_HOT = 2;
		protected const Int32 CBS_PUSHED = 3;
		[StructLayout (LayoutKind.Explicit)]
		protected struct RECT
		{
			[FieldOffset (0)] public Int32 Left;
			[FieldOffset (4)] public Int32 Top;
			[FieldOffset (8)] public Int32 Right;
			[FieldOffset (12)] public Int32 Bottom;

			public RECT (System.Drawing.Rectangle bounds)
			{
				Left = bounds.Left;
				Top = bounds.Top;
				Right = bounds.Right;
				Bottom = bounds.Bottom;
			}
		}

		// SetWindowPos()
		protected const Int32 HWND_TOPMOST = -1;
		protected const Int32 SWP_NOACTIVATE = 0x0010;

		// ShowWindow()
		protected const Int32 SW_SHOWNOACTIVATE = 4;

		// UxTheme.dll
		[DllImport ("UxTheme.dll")]
		protected static extern Int32 IsThemeActive();
		[DllImport ("UxTheme.dll")]
		protected static extern IntPtr OpenThemeData (IntPtr hWnd, [MarshalAs (UnmanagedType.LPTStr)] string classList);
		[DllImport ("UxTheme.dll")]
		protected static extern void CloseThemeData (IntPtr hTheme);
		[DllImport ("UxTheme.dll")]
		protected static extern void DrawThemeBackground (IntPtr hTheme, IntPtr hDC, Int32 partId, Int32 stateId, ref RECT rect, ref RECT clipRect);

		// user32.dll
		[DllImport ("user32.dll")]
		protected static extern bool ShowWindow (IntPtr hWnd, Int32 flags);
		[DllImport ("user32.dll")]
		protected static extern bool SetWindowPos (IntPtr hWnd, Int32 hWndInsertAfter, Int32 X, Int32 Y, Int32 cx, Int32 cy, uint uFlags);
		#endregion
	}
}