#region Imports
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using DPumpHydr.WinFrmUI.RLT.Util;
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using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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#endregion
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namespace DPumpHydr.WinFrmUI.RLT.Forms
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{
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#region LostForm
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public class LostForm : FormLostBase
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{
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[DllImport("user32.dll")]
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public static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
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[DllImport("user32.dll")]
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public static extern bool ReleaseCapture();
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private const int CS_DROPSHADOW = 0x20000;
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private const int WM_NCLBUTTONDOWN = 0xA1;
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private const int HT_CAPTION = 0x2;
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private const int wmNcHitTest = 0x84;
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private const int htLeft = 10;
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private const int htRight = 11;
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private const int htTop = 12;
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private const int htTopLeft = 13;
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private const int htTopRight = 14;
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private const int htBottom = 15;
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private const int htBottomLeft = 16;
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private const int htBottomRight = 17;
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private Image _Image = Properties.Resources.AppImage;
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private Size _ImageSize;
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public Image Image
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{
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get => _Image;
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set
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{
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if (value == null)
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{
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_ImageSize = Size.Empty;
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}
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else
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{
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_ImageSize = value.Size;
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}
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_Image = value;
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Invalidate();
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}
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}
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private bool _sizable = true;
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public bool Sizable
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{
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get => _sizable;
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set { _sizable = value; Invalidate(); }
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}
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private Color _bordercolor = ThemeLost.AccentColor;
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public Color BorderColor
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{
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get => _bordercolor;
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set { _bordercolor = value; Invalidate(); }
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}
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private ButtonBorderStyle _borderstyle = ButtonBorderStyle.Solid;
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public ButtonBorderStyle BorderStyle
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{
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get => _borderstyle;
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set { _borderstyle = value; Invalidate(); }
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}
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private Color _HeaderColor = ThemeLost.ForeBrush.Color;
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public Color HeaderColor
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{
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get => _HeaderColor;
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set { _HeaderColor = value; Invalidate(); }
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}
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private Color _TitleColor = ThemeLost.FontBrush.Color;
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public Color TitleColor
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{
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get => _TitleColor;
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set { _TitleColor = value; Invalidate(); }
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}
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public LostForm()
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{
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//FormBorderStyle = FormBorderStyle.Sizable;
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Padding = new Padding(2, 36, 2, 2);
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ResizeRedraw = true;
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MinimumSize = new(160, 160);
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Font = ThemeLost.TitleFont;
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}
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public override Rectangle ShadeRect(int index)
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{
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return new Rectangle(1 - index, 1 - index, Width - 2 + (index * 2), 30 + (index * 2));
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}
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protected override CreateParams CreateParams
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{
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get
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{
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CreateParams cp = base.CreateParams;
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cp.ClassStyle |= CS_DROPSHADOW;
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return cp;
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}
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}
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protected override void WndProc(ref Message m)
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{
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if (_sizable && m.Msg == wmNcHitTest && WindowState != FormWindowState.Maximized)
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{
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int gripDist = 10;
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//int x = (int)(m.LParam.ToInt64() & 0xFFFF);
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//int x = Cursor.Position.X;
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// int y = (int)((m.LParam.ToInt64() & 0xFFFF0000) >> 16);
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//Console.WriteLine(x);
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Point pt = PointToClient(Cursor.Position);
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//Console.WriteLine(pt);
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Size clientSize = ClientSize;
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///allow resize on the lower right corner
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if (pt.X >= clientSize.Width - gripDist && pt.Y >= clientSize.Height - gripDist && clientSize.Height >= gripDist)
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{
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m.Result = (IntPtr)(IsMirrored ? htBottomLeft : htBottomRight);
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return;
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}
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///allow resize on the lower left corner
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if (pt.X <= gripDist && pt.Y >= clientSize.Height - gripDist && clientSize.Height >= gripDist)
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{
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m.Result = (IntPtr)(IsMirrored ? htBottomRight : htBottomLeft);
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return;
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}
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///allow resize on the upper right corner
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if (pt.X <= gripDist && pt.Y <= gripDist && clientSize.Height >= gripDist)
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{
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m.Result = (IntPtr)(IsMirrored ? htTopRight : htTopLeft);
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return;
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}
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///allow resize on the upper left corner
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if (pt.X >= clientSize.Width - gripDist && pt.Y <= gripDist && clientSize.Height >= gripDist)
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{
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m.Result = (IntPtr)(IsMirrored ? htTopLeft : htTopRight);
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return;
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}
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///allow resize on the top border
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if (pt.Y <= 2 && clientSize.Height >= 2)
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{
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m.Result = (IntPtr)htTop;
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return;
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}
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///allow resize on the bottom border
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if (pt.Y >= clientSize.Height - gripDist && clientSize.Height >= gripDist)
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{
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m.Result = (IntPtr)htBottom;
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return;
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}
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///allow resize on the left border
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if (pt.X <= gripDist && clientSize.Height >= gripDist)
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{
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m.Result = (IntPtr)htLeft;
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return;
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}
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///allow resize on the right border
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if (pt.X >= clientSize.Width - gripDist && clientSize.Height >= gripDist)
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{
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m.Result = (IntPtr)htRight;
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return;
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}
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}
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base.WndProc(ref m);
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}
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protected override void OnMouseDown(MouseEventArgs e)
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{
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base.OnMouseDown(e);
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if (e.Button == MouseButtons.Left)
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{
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if (ControlBox)
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{
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if (!new Rectangle(Width - 31, 2, 29, 29).Contains(e.Location))
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{
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if ((MaximizeBox || MinimizeBox) && !new Rectangle(Width - 60, 2, 29, 29).Contains(e.Location))
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{
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if (MaximizeBox && MinimizeBox && new Rectangle(Width - 89, 2, 29, 29).Contains(e.Location))
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{
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//return;
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}
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else
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{
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if (e.X <= Width && e.Y <= 30)
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{
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ReleaseCapture();
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_ = SendMessage(Handle, WM_NCLBUTTONDOWN, HT_CAPTION, 0);
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}
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}
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}
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}
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}
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else
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{
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if (e.X <= Width && e.Y <= 30)
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{
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ReleaseCapture();
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_ = SendMessage(Handle, WM_NCLBUTTONDOWN, HT_CAPTION, 0);
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}
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}
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}
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}
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protected override void OnMouseUp(MouseEventArgs e)
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{
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base.OnMouseUp(e);
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if (e.Button == MouseButtons.Left)
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{
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if (ControlBox)
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{
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if (new Rectangle(Width - 31, 2, 29, 29).Contains(e.Location))
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{
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Close();
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}
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if (MinimizeBox)
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{
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if (MaximizeBox)
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{
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if (new Rectangle(Width - 89, 2, 29, 29).Contains(e.Location))
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{
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WindowState = FormWindowState.Minimized;
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}
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}
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else
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{
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if (new Rectangle(Width - 60, 2, 29, 29).Contains(e.Location))
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{
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WindowState = FormWindowState.Minimized;
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}
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}
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}
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if (MaximizeBox)
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{
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if (new Rectangle(Width - 60, 2, 29, 29).Contains(e.Location))
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{
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Screen currentScreen = Screen.FromPoint(Location);
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Rectangle workingArea = Screen.FromPoint(Location).WorkingArea;
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if (WindowState == FormWindowState.Maximized)
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{
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WindowState = FormWindowState.Normal;
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//Bounds = _lastBounds;
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}
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else
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{
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//_lastBounds = Bounds;
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if (currentScreen == Screen.PrimaryScreen)
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{
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MaximizedBounds = workingArea;
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}
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else
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{
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MaximizedBounds = new(0, 0, workingArea.Width, workingArea.Height);
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}
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WindowState = FormWindowState.Maximized;
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Console.WriteLine(workingArea);
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Console.WriteLine(Bounds);
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//Bounds = workingArea;
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}
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OnResize(null);
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}
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}
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}
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}
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}
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protected override void OnMouseMove(MouseEventArgs e)
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{
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base.OnMouseMove(e);
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if (ControlBox)
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{
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bool invalidate = false;
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bool temp = _wnd_exitOver;
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_wnd_exitOver = new Rectangle(Width - 31, 2, 29, 29).Contains(e.Location);
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if (temp != _wnd_exitOver)
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{
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invalidate = true;
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}
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if (MaximizeBox)
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{
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temp = _wnd_maximOver;
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_wnd_maximOver = new Rectangle(Width - 60, 2, 29, 29).Contains(e.Location);
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if (temp != _wnd_maximOver)
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{
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invalidate = true;
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}
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}
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if (MinimizeBox)
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{
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if (MaximizeBox)
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{
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temp = _wnd_minimOver;
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_wnd_minimOver = new Rectangle(Width - 89, 2, 29, 29).Contains(e.Location);
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if (temp != _wnd_minimOver)
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{
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invalidate = true;
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}
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}
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else
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{
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temp = _wnd_minimOver;
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_wnd_minimOver = new Rectangle(Width - 60, 2, 29, 29).Contains(e.Location);
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if (temp != _wnd_minimOver)
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{
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invalidate = true;
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}
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}
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}
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if (invalidate)
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{
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Invalidate(false);
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}
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}
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}
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protected override void OnMouseLeave(EventArgs e)
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{
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base.OnMouseLeave(e);
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if (ControlBox)
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{
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bool invalidate = _wnd_exitOver || _wnd_maximOver || _wnd_minimOver;
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_wnd_exitOver = _wnd_maximOver = _wnd_minimOver = false;
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if (invalidate)
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{
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Invalidate(false);
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}
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}
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}
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private bool _wnd_exitOver = false;
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private bool _wnd_maximOver = false;
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private bool _wnd_minimOver = false;
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protected override void OnPaint(PaintEventArgs e)
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{
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e.Graphics.FillRectangle(new SolidBrush(_HeaderColor), 1, 2, Width - 3, 30);
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if (_Image == null)
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{
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e.Graphics.DrawString(Text, Font, new SolidBrush(_TitleColor), 4, 5);
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}
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else
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{
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e.Graphics.DrawImage(_Image, new Rectangle(4, 3, 27, 27));
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e.Graphics.DrawString(Text, Font, new SolidBrush(_TitleColor), 33, 5);
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}
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DrawShadow(e.Graphics);
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base.OnPaint(e);
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if (ControlBox)
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{
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//Exit button
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if (_wnd_exitOver)
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{
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e.Graphics.FillRectangle(Brushes.IndianRed, Width - 31, 2, 29, 29);
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}
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e.Graphics.DrawLine(ThemeLost.FontPen, Width - 31 + 9, 2 + 9, Width - 31 + 19, 2 + 19);
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e.Graphics.DrawLine(ThemeLost.FontPen, Width - 31 + 19, 2 + 9, Width - 31 + 9, 2 + 19);
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//Maximize button
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if (MaximizeBox)
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{
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if (_wnd_maximOver)
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{
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e.Graphics.FillRectangle(ThemeLost.BackBrush, Width - 60, 2, 29, 29);
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}
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e.Graphics.DrawRectangle(ThemeLost.FontPen, Width - 60 + 9, 2 + 9, 10, 10);
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}
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//Minimize button
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if (MinimizeBox)
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{
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if (MaximizeBox)
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{
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if (_wnd_minimOver)
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{
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e.Graphics.FillRectangle(ThemeLost.BackBrush, Width - 89, 2, 29, 29);
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}
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e.Graphics.DrawLine(ThemeLost.FontPen, Width - 89 + 9, 2 + 19, Width - 89 + 19, 2 + 19);
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}
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else
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{
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if (_wnd_minimOver)
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{
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e.Graphics.FillRectangle(ThemeLost.BackBrush, Width - 60, 2, 29, 29);
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}
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e.Graphics.DrawLine(ThemeLost.FontPen, Width - 60 + 9, 2 + 19, Width - 60 + 19, 2 + 19);
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}
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}
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}
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if (WindowState != FormWindowState.Maximized)
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{
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ControlPaint.DrawBorder(e.Graphics, ClientRectangle, _bordercolor, _borderstyle);
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}
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}
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}
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#endregion
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}
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