using System;
using System.Drawing;
using System.Windows.Forms;

// The 'windowHandle' parameter will contain the window handle for the:
//   - Active window when run by hotkey
//   - Window Location target when run by a Window Location rule
//   - TitleBar Button owner when run by a TitleBar Button
//   - Jump List owner when run from a Taskbar Jump List
//   - Currently focused window if none of these match
public static class DisplayFusionFunction
{
	public static void Run(IntPtr windowHandle)
	{
    	//check to see if this is windows 10
		bool isWindows10 = (Environment.OSVersion.Version.Major == 9) || (Environment.OSVersion.Version.Major == 10);
    
		//get the width from the user
		using(WindowPercentInput dialog = new WindowPercentInput(windowHandle))
		{
			if(dialog.ShowDialog() != DialogResult.OK)
				return;
				
			Rectangle workArea = BFS.Monitor.GetMonitorWorkAreaByWindow(windowHandle);
			try
			{
				int x, y, width, height;
				//if the user entered nothing for the width, keep it the same
				if(string.IsNullOrEmpty(dialog.WidthPercent))
				{
                    width = BFS.Window.GetBounds(windowHandle).Width;
				}
				else
				{
					//if the number entered is greater than 100, treat is as a pixel value
					int dialogWidth = Convert.ToInt32(dialog.WidthPercent);
					if(dialogWidth > 100)
						width = dialogWidth;
					else
						width = (int)Math.Round(workArea.Width * dialogWidth / 100m);
				}
					
				//if the user entered nothing for the height, keep it the same
				if(string.IsNullOrEmpty(dialog.HeightPercent))
				{
                    height = BFS.Window.GetBounds(windowHandle).Height;
				}
				else
				{
					//if the number entered is greater than 100, treat is as a pixel value
					int dialogHeight = Convert.ToInt32(dialog.HeightPercent);
					if(dialogHeight > 100)
						height = dialogHeight;
					else
						height = (int)Math.Round(workArea.Height * dialogHeight / 100m);
				}
				
				if(string.IsNullOrEmpty(dialog.LeftPercent))
                    x = BFS.Window.GetBounds(windowHandle).X;			
				else
                    x = Convert.ToInt32(dialog.LeftPercent);
				
				if(string.IsNullOrEmpty(dialog.TopPercent))
                    y = BFS.Window.GetBounds(windowHandle).Y;			
				else
                    y = Convert.ToInt32(dialog.TopPercent);
				
				
                BFS.Window.SetSizeAndLocation(windowHandle, x, y, width, height);
			}
			catch
			{
			}
		}
	}

	private class WindowPercentInput : Form
	{		
		private IntPtr ParentWindow = IntPtr.Zero;
		
		private Button btnCancel;
		private Button btnOK;
		private Label lblWindow;
		private Label lblLeft;
		private Label lblTop;
		private Label lblWidth;
		private Label lblHeight;
		private TextBox txtLeft;
		private TextBox txtTop;
		private TextBox txtWidth;
		private TextBox txtHeight;
		private Label label1;
		private Label label2;
		private Label label3;
		private Label label4;
		
		public string WidthPercent
		{
			get
			{
				return this.txtWidth.Text;
			}
		}
		
		public string HeightPercent
		{
			get
			{
				return this.txtHeight.Text;
			}
		}
				
		public string TopPercent
		{
            get
            {
                return this.txtTop.Text;
            }
		}
			
        public string LeftPercent
        {
            get
            {
                return this.txtLeft.Text;
            }
        }
				
		public WindowPercentInput(IntPtr parent)
		{
			this.ParentWindow = parent;
			this.btnCancel = new Button();
			this.btnOK = new Button();
			this.lblWindow = new Label();
			this.lblLeft = new Label();
			this.lblTop = new Label();
			this.lblWidth = new Label();
			this.lblHeight = new Label();
			this.txtLeft = new TextBox();
			this.txtTop = new TextBox();
			this.txtWidth = new TextBox();
			this.txtHeight = new TextBox();
			this.label1 = new Label();
			this.label2 = new Label();
			this.label3 = new Label();
			this.label4 = new Label();
			
			this.SuspendLayout();

			this.btnCancel.Location = new System.Drawing.Point(232, 144);
			this.btnCancel.Name = "btnCancel";
			this.btnCancel.Size = new System.Drawing.Size(80, 24);
			this.btnCancel.TabIndex = 14;
			this.btnCancel.Text = "Cancel";
			this.btnCancel.UseVisualStyleBackColor = true;

			this.btnOK.Location = new System.Drawing.Point(144, 144);
			this.btnOK.Name = "btnOK";
			this.btnOK.Size = new System.Drawing.Size(80, 24);
			this.btnOK.TabIndex = 13;
			this.btnOK.Text = "OK";
			this.btnOK.UseVisualStyleBackColor = true;

			this.lblWindow.Location = new System.Drawing.Point(16, 16);
			this.lblWindow.Name = "lblWindow";
			this.lblWindow.Size = new System.Drawing.Size(296, 24);
			this.lblWindow.TabIndex = 0;
			this.lblWindow.Text = "Current Window: ";
			this.lblWindow.TextAlign = System.Drawing.ContentAlignment.TopLeft;

			this.lblLeft.Location = new System.Drawing.Point(16, 40);
			this.lblLeft.Name = "lblLeft";
			this.lblLeft.Size = new System.Drawing.Size(72, 24);
			this.lblLeft.TabIndex = 1;
			this.lblLeft.Text = "Left:";
			this.lblLeft.TextAlign = System.Drawing.ContentAlignment.MiddleRight;

			this.lblTop.Location = new System.Drawing.Point(16, 64);
			this.lblTop.Name = "lblTop";
			this.lblTop.Size = new System.Drawing.Size(72, 24);
			this.lblTop.TabIndex = 4;
			this.lblTop.Text = "Top:";
			this.lblTop.TextAlign = System.Drawing.ContentAlignment.MiddleRight;

			this.lblWidth.Location = new System.Drawing.Point(16, 88);
			this.lblWidth.Name = "lblWidth";
			this.lblWidth.Size = new System.Drawing.Size(72, 24);
			this.lblWidth.TabIndex = 7;
			this.lblWidth.Text = "Width:";
			this.lblWidth.TextAlign = System.Drawing.ContentAlignment.MiddleRight;

			this.lblHeight.Location = new System.Drawing.Point(16, 112);
			this.lblHeight.Name = "lblHeight";
			this.lblHeight.Size = new System.Drawing.Size(72, 24);
			this.lblHeight.TabIndex = 10;
			this.lblHeight.Text = "Height:";
			this.lblHeight.TextAlign = System.Drawing.ContentAlignment.MiddleRight;

			this.txtLeft.Location = new System.Drawing.Point(88, 40);
			this.txtLeft.Name = "txtLeft";
			this.txtLeft.Size = new System.Drawing.Size(200, 20);
			this.txtLeft.TabIndex = 2;

			this.txtTop.Location = new System.Drawing.Point(88, 64);
			this.txtTop.Name = "txtTop";
			this.txtTop.Size = new System.Drawing.Size(200, 20);
			this.txtTop.TabIndex = 5;

			this.txtWidth.Location = new System.Drawing.Point(88, 88);
			this.txtWidth.Name = "txtWidth";
			this.txtWidth.Size = new System.Drawing.Size(200, 20);
			this.txtWidth.TabIndex = 8;

			this.txtHeight.Location = new System.Drawing.Point(88, 112);
			this.txtHeight.Name = "txtHeight";
			this.txtHeight.Size = new System.Drawing.Size(200, 20);
			this.txtHeight.TabIndex = 11;

			this.label1.Location = new System.Drawing.Point(288, 40);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(24, 24);
			this.label1.TabIndex = 3;
			this.label1.Text = "px";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;

			this.label2.Location = new System.Drawing.Point(288, 64);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(24, 24);
			this.label2.TabIndex = 6;
			this.label2.Text = "px";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;

			this.label3.Location = new System.Drawing.Point(288, 88);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(24, 24);
			this.label3.TabIndex = 9;
			this.label3.Text = "%";
			this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;

			this.label4.Location = new System.Drawing.Point(288, 112);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(24, 24);
			this.label4.TabIndex = 12;
			this.label4.Text = "%";
			this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;

			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
			this.ClientSize = new System.Drawing.Size(329, 184);
			this.FormBorderStyle = FormBorderStyle.FixedSingle;
			this.Controls.Add(this.label4);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.txtHeight);
			this.Controls.Add(this.txtWidth);
			this.Controls.Add(this.txtTop);
			this.Controls.Add(this.txtLeft);
			this.Controls.Add(this.lblHeight);
			this.Controls.Add(this.lblWidth);
			this.Controls.Add(this.lblTop);
			this.Controls.Add(this.lblLeft);
			this.Controls.Add(this.lblWindow);
			this.Controls.Add(this.btnOK);
			this.Controls.Add(this.btnCancel);
			
			this.ResumeLayout(false);
			this.Text = "Set Window Size";
			
			Rectangle windowBounds = BFS.Window.GetBounds(parent);
			Rectangle workArea = BFS.Monitor.GetMonitorWorkAreaByWindow(parent);
            if(BFS.Window.IsMaximized(parent))
				this.lblWindow.Text = "Current Window: Maximized";
			else
				this.lblWindow.Text = string.Format("Bounds: [ X: {0}, Y: {1}, W: {2} ({3}%), H: {4} ({5}%) ]", windowBounds.X, windowBounds.Y, windowBounds.Width, (int)Math.Round(windowBounds.Width / (decimal)workArea.Width * 100m), windowBounds.Height, (int)Math.Round(windowBounds.Height / (decimal)workArea.Height * 100m));
			
			btnOK.Click += btnOK_Click;
			btnCancel.Click += btnCancel_Click;
			this.Load += OnLoad;
			
			this.AcceptButton = btnOK;
			this.CancelButton = btnCancel;
		}
		
		private void OnLoad(object sender, EventArgs e)
		{
			if(this.ParentWindow != IntPtr.Zero)
			{
				Rectangle bounds = BFS.Window.GetBounds(this.ParentWindow);
				this.Location = new Point(bounds.X - this.Width / 2 + bounds.Width / 2, bounds.Y - this.Height / 2 + bounds.Height / 2);
			}
			
			BFS.Window.Focus(this.Handle);
			BFS.Window.SetAlwaysOnTop(this.Handle, true);
			this.txtWidth.Focus();
		}
		
		private void btnOK_Click(object sender, EventArgs e)
		{
			this.DialogResult = DialogResult.OK;
			this.Close();
		}
		
		private void btnCancel_Click(object sender, EventArgs e)
		{
			this.DialogResult = DialogResult.Cancel;
			this.Close();
		}
	}
}