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)
	{
		//get the width from the user
		using(WindowPercentInput dialog = new WindowPercentInput())
		{
			if(dialog.ShowDialog() != DialogResult.OK)
				return;
				
			Rectangle monitorBounds = BFS.Monitor.GetMonitorBoundsByWindow(windowHandle);
			try
			{
				BFS.Window.SetSize(windowHandle, (int)(monitorBounds.Width * (Convert.ToInt32(dialog.WidthPercent) / 100m)), (int)(monitorBounds.Height * (Convert.ToInt32(dialog.HeightPercent) / 100m)));
			}
			catch
			{
			}
		}
	}

	private class WindowPercentInput : Form
	{
		private TextBox txtWidth = new TextBox();
		private TextBox txtHeight = new TextBox();
		internal string WidthPercent
		{
			get
			{
				return txtWidth.Text;
			}
		}
		
		internal string HeightPercent
		{
			get
			{
				return txtHeight.Text;
			}
		}
				
		internal WindowPercentInput()
		{
			Label label2 = new Label();
			Label label1 = new Label();
			Button btnOK = new Button();
			Button btnCancel = new Button();			
			this.SuspendLayout();
			
			this.txtWidth.Location = new Point(16, 48);
			this.txtWidth.Size = new Size(144, 20);
			this.txtWidth.TabIndex = 1;

			this.txtHeight.Location = new Point(176, 48);
			this.txtHeight.Size = new Size(144, 20);
			this.txtHeight.TabIndex = 3;
			
			label2.Location = new Point(160, 48);
			label2.Size = new Size(16, 23);
			label2.TabIndex = 2;
			label2.Text = "X";
			label2.TextAlign = ContentAlignment.MiddleLeft;
			
			btnOK.Location = new Point(152, 80);
			btnOK.Size = new Size(80, 24);
			btnOK.TabIndex = 4;
			btnOK.Text = "OK";

			btnCancel.Location = new Point(240, 80);
			btnCancel.Size = new Size(80, 24);
			btnCancel.TabIndex = 5;
			btnCancel.Text = "Cancel";
			btnCancel.UseVisualStyleBackColor = true;

			label1.Location = new Point(16, 16);
			label1.Size = new Size(296, 23);
			label1.TabIndex = 0;
			label1.Text = "Enter the width and height in percent:";
			label1.TextAlign = ContentAlignment.MiddleLeft;

			this.ClientSize = new System.Drawing.Size(337, 117);
			this.Controls.Add(this.txtHeight);
			this.Controls.Add(this.txtWidth);
			this.Controls.Add(label1);
			this.Controls.Add(btnCancel);
			this.Controls.Add(btnOK);			
			this.Controls.Add(label2);			
			
			this.MinimizeBox = false;
			this.MaximizeBox = false;
			this.ShowIcon = false;
			this.ShowInTaskbar = false;
			this.ResumeLayout(false);
			this.Text = "Set Window Size";
			
			btnOK.Click += btnOK_Click;
			btnCancel.Click += btnCancel_Click;
			this.Load += OnLoad;
			
			this.AcceptButton = btnOK;
			this.CancelButton = btnCancel;
		}
		
		private void OnLoad(object sender, EventArgs e)
		{
			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();
		}
	}
}