i want to see numbers, not window behind the calculator

.gitignore

@@ -398,3 +398,4 @@ FodyWeavers.xsd
 # JetBrains Rider
 *.sln.iml
 
+.idea/

Evil Calculator.sln

@@ -5,6 +5,12 @@ VisualStudioVersion = 17.13.35931.197 d17.13
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Evil Calculator", "Evil Calculator\Evil Calculator.csproj", "{942928AE-D155-4E97-A49D-174BFD563AF2}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SolutionFolder", "SolutionFolder", "{5F98C4DD-6BD6-4E12-94A8-87FB896463CD}"
+	ProjectSection(SolutionItems) = preProject
+		.gitignore = .gitignore
+		README.md = README.md
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU

Evil Calculator/CalculatorBody.cs

@@ -5,21 +5,21 @@
         private bool mouseDown;
         private bool onTop;
         private Point lastLocation;
-        private static Color LunarGray = System.Drawing.ColorTranslator.FromHtml("#2b292d");
-        private static Color LunarOrange = System.Drawing.ColorTranslator.FromHtml("#ff8700");
+        private static Color LunarGray = ColorTranslator.FromHtml("#2b292d");
+        private static Color LunarOrange = ColorTranslator.FromHtml("#ff8700");
 
-        private Form CalculatorPanel = new Form();
-        private EquationManager equationManager = new EquationManager();
+        private Form CalculatorPanel = new();
+        private EquationManager equationManager = new();
 
 
         public CalculatorBody()
         {
             InitializeComponent();
-            this.BackColor = LunarGray;
-            this.Opacity = 0.75;
-            this.FormBorderStyle = FormBorderStyle.None;
-            this.ClientSize = new Size(300, 500);
-            this.Text = "Calculator";
+            BackColor = LunarGray;
+            Opacity = 0.9;
+            FormBorderStyle = FormBorderStyle.None;
+            ClientSize = new Size(300, 500);
+            Text = "Calculator";
             MyTitleBar();
         }
 
@@ -54,7 +54,7 @@
             TitleBar.MouseDown += TitleBar_MouseDown;
             TitleBar.MouseMove += TitleBar_MouseMove;
             TitleBar.MouseUp += TitleBar_MouseUp;
-            this.Controls.Add(TitleBar);
+            Controls.Add(TitleBar);
 
             Button ButtonMinimize = new Button
             {
@@ -67,7 +67,7 @@
             };
             ButtonMinimize.FlatAppearance.BorderSize = 0;
             ButtonMinimize.FlatAppearance.BorderColor = LunarGray;
-            ButtonMinimize.Click += (s, e) => this.WindowState = FormWindowState.Minimized;
+            ButtonMinimize.Click += (s, e) => WindowState = FormWindowState.Minimized;
             TitleBar.Controls.Add(ButtonMinimize);
 
             Button ButtonMaximize = new Button
@@ -83,7 +83,7 @@
             ButtonMaximize.FlatAppearance.BorderColor = LunarGray;
             ButtonMaximize.Click += (s, e) =>
             {
-                this.WindowState = (this.WindowState == FormWindowState.Normal) ? FormWindowState.Maximized : FormWindowState.Normal;
+                WindowState = (WindowState == FormWindowState.Normal) ? FormWindowState.Maximized : FormWindowState.Normal;
             };
             TitleBar.Controls.Add(ButtonMaximize);
 
@@ -98,12 +98,12 @@
             };
             ButtonClose.FlatAppearance.BorderSize = 0;
             ButtonClose.FlatAppearance.BorderColor = LunarGray;
-            ButtonClose.Click += (s, e) => this.Close();
+            ButtonClose.Click += (s, e) => Close();
             TitleBar.Controls.Add(ButtonClose);
 
             Label titleLabel = new Label
             {
-                Text = this.Text,
+                Text = Text,
                 Location = new Point(8, 7),
                 AutoSize = true,
                 ForeColor = Color.White
@@ -120,10 +120,10 @@
             {
                 if (mouseDown)
                 {
-                    this.Location = new Point(
-                        (this.Location.X - lastLocation.X) + e.X, (this.Location.Y - lastLocation.Y) + e.Y);
+                    Location = new Point(
+                        (Location.X - lastLocation.X) + e.X, (Location.Y - lastLocation.Y) + e.Y);
 
-                    this.Update();
+                    Update();
                 }
             }
 
@@ -134,9 +134,9 @@
 
             void Titlebar_BaseTextChanged(object? sender, EventArgs e)
             {
-                titleLabel.Text = this.Text;
+                titleLabel.Text = Text;
             }
-            this.TextChanged += Titlebar_BaseTextChanged;
+            TextChanged += Titlebar_BaseTextChanged;
         }
 
         private void CalculatorPanelInit()
@@ -144,10 +144,9 @@
             CalculatorPanel.FormBorderStyle = FormBorderStyle.None;
             CalculatorPanel.BackColor = Color.Gray;
             CalculatorPanel.TransparencyKey = CalculatorPanel.BackColor;
-            CalculatorPanel.Opacity = 0.90;
             CalculatorPanel.StartPosition = FormStartPosition.Manual;
-            CalculatorPanel.DesktopLocation = new Point(this.Location.X, this.Location.Y + 30);
-            CalculatorPanel.ClientSize = new Size(this.Size.Width, this.Size.Height - 30);
+            CalculatorPanel.DesktopLocation = new Point(Location.X, Location.Y + 30);
+            CalculatorPanel.ClientSize = new Size(Size.Width, Size.Height - 30);
             CalculatorPanel.Owner = this;
             CalculatorPanel.ShowInTaskbar = false;
 
@@ -200,15 +199,15 @@
             currentOperandTextBox.ForeColor = Color.White;
             CalculatorPanel.Controls.Add(currentOperandTextBox);
 
-            equationManager.AcquireOutputLabels(ref equationTextBox, ref currentOperandTextBox);
+            equationManager.AcquireOutputLabels(equationTextBox, currentOperandTextBox);
 
             CalculatorPanel.Show();
 
             void ToggleTopButton_Click(object? sender, EventArgs e)
             {
-                this.Text = this.onTop ? "Calculator" : "Calculator [pinned]";
-                this.onTop = !this.onTop;
-                this.TopMost = !this.TopMost;
+                Text = onTop ? "Calculator" : "Calculator [pinned]";
+                onTop = !onTop;
+                TopMost = !TopMost;
                 CalculatorPanel.TopMost = !CalculatorPanel.TopMost;
             }
 
@@ -220,16 +219,16 @@
             public CalculatorButton(string Text, Point Location, Form Panel, EquationManager equationManager)
             {
                 this.Text = Text;
-                this.Font = new Font("Arial", 12);
+                Font = new Font("Arial", 12);
                 this.Location = Location;
-                this.Width = 50;
-                this.Height = 40;
-                this.FlatStyle = FlatStyle.Flat;
-                this.BackColor = LunarGray;
-                this.FlatAppearance.BorderSize = 0;
-                this.FlatAppearance.BorderColor = LunarGray;
+                Width = 50;
+                Height = 40;
+                FlatStyle = FlatStyle.Flat;
+                BackColor = LunarGray;
+                FlatAppearance.BorderSize = 0;
+                FlatAppearance.BorderColor = LunarGray;
                 ForeColor = Color.White;
-                this.Click += equationManager.ProcessButtonInput;
+                Click += equationManager.ProcessButtonInput;
                 Panel.Controls.Add(this);
             }
         }
@@ -238,17 +237,17 @@
         {
             public EqualsButton(Point Location, Form Panel, EquationManager equationManager)
             {
-                this.Text = "=";
-                this.Font = new Font("Arial", 12);
+                Text = "=";
+                Font = new Font("Arial", 12);
                 this.Location = Location;
-                this.Width = 50;
-                this.Height = 40;
-                this.FlatStyle = FlatStyle.Flat;
-                this.BackColor = LunarOrange;
-                this.FlatAppearance.BorderSize = 0;
-                this.FlatAppearance.BorderColor = LunarOrange;
+                Width = 50;
+                Height = 40;
+                FlatStyle = FlatStyle.Flat;
+                BackColor = LunarOrange;
+                FlatAppearance.BorderSize = 0;
+                FlatAppearance.BorderColor = LunarOrange;
                 ForeColor = Color.White;
-                this.Click += equationManager.EqualsButtonPressed;
+                Click += equationManager.EqualsButtonPressed;
                 Panel.Controls.Add(this);
             }
         }
@@ -257,15 +256,15 @@
         {
             public ToggleTopButton(Point Location, Form Panel)
             {
-                this.Text = "Toggle\ntop";
-                this.Font = new Font("Arial", 7);
+                Text = "Toggle\ntop";
+                Font = new Font("Arial", 7);
                 this.Location = Location;
-                this.Width = 50;
-                this.Height = 40;
-                this.FlatStyle = FlatStyle.Flat;
-                this.BackColor = LunarGray;
-                this.FlatAppearance.BorderSize = 0;
-                this.FlatAppearance.BorderColor = LunarGray;
+                Width = 50;
+                Height = 40;
+                FlatStyle = FlatStyle.Flat;
+                BackColor = LunarGray;
+                FlatAppearance.BorderSize = 0;
+                FlatAppearance.BorderColor = LunarGray;
                 ForeColor = Color.White;
                 Panel.Controls.Add(this);
             }

Evil Calculator/EquationManager.cs

@@ -2,9 +2,9 @@
 {
     class EquationManager
     {
-        private ReverseNotationSolver reverseNotationSolver = new ReverseNotationSolver();
+        private static readonly HashSet<string> _operators = new() { "+", "-", "*", "/", "^", "√" };
 
-        List<Token> equation = new List<Token>();
+        List<Token> equation = new();
         string currentOperand = "";
         Label? outerEquationLabel;
         Label? outerOperandLabel;
@@ -24,11 +24,8 @@
 
         public void ProcessButtonInput(object? sender, EventArgs e)
         {
-            Button? buttonPressed = sender as Button;
-            if (buttonPressed != null)
+            if (sender is Button buttonPressed)
             {
-
-
                 switch (buttonPressed.Text)
                 {
                     //CLEAR
@@ -136,26 +133,26 @@
                         }
                         break;
                 }
+                
                 UpdateLabels();
             }
         }
 
         public void EqualsButtonPressed(object? sender, EventArgs e)
         {
-            Button? buttonEquals = sender as Button;
-            if (buttonEquals != null)
+            if (sender is Button buttonEquals)
             {
                 if (currentOperand != "") equation.Add(new Token(Token.TokenType.Operand, currentOperand));
                 buttonEquals.Text = "#";
-                this.currentOperand = reverseNotationSolver.Solve(ref equation);
+                currentOperand = ReversePolishNotationSolver.Solve(equation);
                 UpdateLabels();
             }
         }
 
-        public void AcquireOutputLabels(ref Label equationTextBox, ref Label currentOperandTextBox)
+        public void AcquireOutputLabels(Label equationTextBox, Label currentOperandTextBox)
         {
-            this.outerEquationLabel = equationTextBox;
-            this.outerOperandLabel = currentOperandTextBox;
+            outerEquationLabel = equationTextBox;
+            outerOperandLabel = currentOperandTextBox;
         }
 
         public string equationToString()
@@ -163,7 +160,7 @@
             string equationString = "";
             foreach (Token token in equation)
             {
-                equationString += token.value.ToString() + " ";
+                equationString += token.value + " ";
             }
             return equationString;
         }
@@ -176,11 +173,11 @@
                 outerOperandLabel.Text = currentOperand == "" ? "0" : currentOperand;
             }
         }
-
+        
         private bool IsOperator()
         {
             if (equation.Count == 0) return false;
-            return new[] { "+", "-", "*", "/", "^", "√" }.Contains(equation.Last().value);
+            return _operators.Contains(equation.Last().value);
         }
 
         private bool IsOpen()

Evil Calculator/ReversePolishNotationSolver.cs

@@ -1,58 +1,55 @@
 namespace Lunar.Evil_Calculator
 {
-    internal class ReverseNotationSolver
+    internal static class ReversePolishNotationSolver
     {
-        List<Token> equation = new List<Token>();
-
-        public string? ToReverseNotation(ref List<Token> equation)
+        private static List<Token> ToReversePolishNotation(List<Token> equation)
         {
-            List<Token> TEMP = new List<Token>();
-            Stack<Token> OPERATORS = new Stack<Token>();
+            List<Token> reversedEquation = new List<Token>();
+            Stack<Token> operators = new Stack<Token>();
             foreach (Token token in equation)
             {
                 if (token.tokenType == Token.TokenType.Operand)
                 {
-                    TEMP.Add(token);
+                    reversedEquation.Add(token);
                 }
                 if (token.tokenType == Token.TokenType.Operator)
                 {
                     if (token.value == "(")
                     {
-                        OPERATORS.Push(token);
+                        operators.Push(token);
                     }
                     else if (token.value == ")")
                     {
-                        while (OPERATORS.Peek().value != "(")
+                        while (operators.Peek().value != "(")
                         {
-                            TEMP.Add(OPERATORS.Pop());
+                            reversedEquation.Add(operators.Pop());
                         }
-                        OPERATORS.Pop();
+                        operators.Pop();
                     }
                     else
                     {
-                        while (OPERATORS.Count != 0 ? OPERATORS.Peek().priority >= token.priority : false)
+                        while (operators.Count != 0 && operators.Peek().priority >= token.priority)
                         {
-                            TEMP.Add(OPERATORS.Pop());
+                            reversedEquation.Add(operators.Pop());
                         }
-                        OPERATORS.Push(token);
+                        operators.Push(token);
                     }
                 }
             }
-            while (OPERATORS.Count != 0)
+            while (operators.Count != 0)
             {
-                TEMP.Add(OPERATORS.Pop());
+                reversedEquation.Add(operators.Pop());
             }
-            this.equation = TEMP;
-            return equationToString();
+
+            return reversedEquation;
         }
 
-
-
-        public string? Solve(ref List<Token> equation)
+        
+        public static string Solve(List<Token> originalEquation)
         {
-            ToReverseNotation(ref equation);
+            List<Token> reversedEquation = ToReversePolishNotation(originalEquation);
             Stack<Token> stack = new Stack<Token>();
-            foreach (Token token in this.equation)
+            foreach (Token token in reversedEquation)
             {
                 double result, left, right;
                 if (token.tokenType == Token.TokenType.Operand)
@@ -98,19 +95,5 @@
             }
             return stack.Pop().value;
         }
-
-
-
-        public string equationToString()
-        {
-            string equationString = "";
-            foreach (Token token in this.equation)
-            {
-                equationString += token.value.ToString() + " ";
-            }
-            return equationString;
-        }
-
-
     }
 }

Evil Calculator/Token.cs

@@ -2,12 +2,16 @@
 {
     internal class Token
     {
-        public enum TokenType { Operator, Operand };
+        public enum TokenType 
+        { 
+            Operator, 
+            Operand,
+        }
+        
         public TokenType tokenType;
-        public string value = "";
+        public string value;
         public int? priority;
 
-        public Token() { }
 
         public Token(TokenType tokenType, string value)
         {