aswi2021virtual-surreality-gitlab/deltarobot-vr-launcher/DeltarobotVr.Launcher/LauncherForm.cs @ b4d47cc5

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

namespace DeltarobotVr.Launcher
{
    public class LauncherForm : Form
    {

        private readonly Label _serverHostLabel = new Label();
        private readonly TextBox _serverHost = new TextBox();

        private readonly Label _serverPortLabel = new Label();
        private readonly TextBox _serverPort = new TextBox();
        
        private readonly Button _launchButton = new Button();


        private const int Spacing = 5;
        private const int ControlHeight = 24;
        private const int LabelWidth = 120;
        
        public LauncherForm()
        {
            Text = "Deltarobot VR Launcher";
            
            _serverHostLabel.Text = "Server host:";
            _serverHostLabel.TextAlign = ContentAlignment.MiddleRight;
            Controls.Add(_serverHostLabel);
            
            Controls.Add(_serverHost);

            _serverPortLabel.Text = "Server port:";
            _serverPortLabel.TextAlign = ContentAlignment.MiddleRight;
            Controls.Add(_serverPortLabel);
            
            Controls.Add(_serverPort);
            
            _launchButton.Text = "Launch";
            Controls.Add(_launchButton);
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            Width = 640;
            Height = 480;
            
            UpdateLayout();
            CenterToScreen();
        }

        protected override void OnResize(EventArgs e)
        {
            base.OnResize(e);
            
            UpdateLayout();
        }

        private void UpdateLayout()
        {
            var lr = new LayoutRectangle(ClientRectangle);
            lr.Shrink(10);

            var hostRect = lr.RemoveFromTop(ControlHeight);
            _serverHostLabel.Bounds = hostRect.RemoveFromLeft(LabelWidth).ToRectangle();
            hostRect.RemoveFromLeft(Spacing);
            _serverHost.Bounds = hostRect.RemoveFromLeft(250).ToRectangle();

            lr.RemoveFromTop(Spacing);

            var portRect = lr.RemoveFromTop(ControlHeight);
            _serverPortLabel.Bounds = portRect.RemoveFromLeft(LabelWidth).ToRectangle();
            portRect.RemoveFromLeft(Spacing);
            _serverPort.Bounds = portRect.RemoveFromLeft(64).ToRectangle();
            
            lr.RemoveFromTop(2 * Spacing);
            
            _launchButton.Bounds = lr.RemoveFromBottom(ControlHeight * 2).Shrink(10).ToRectangle();
        }
    }
}