make operator buttons bright

README.md

@@ -1,16 +1,23 @@
-# [JavaCalc](https://github.com/krolyxon/JavaCalc)
+# [jcal](https://github.com/krolyxon/jcal)
 Simple GUI calculator with complex infix expression evaluation made in Java using Swing.
 
 ## Installation
 
 ```bash
-  $ git clone --depth=1 https://github.com/krolyxon/JavaCalc --branch=master
+  $ git clone --depth=1 https://github.com/krolyxon/jcal --branch=master
-  $ cd JavaCalc
+  $ cd jcal
-  $ ./run.sh OR ./build.sh
+  $ ./install.sh
+  $ jcal
   ```
+or go to latest [releases](https://github.com/krolyxon/jcal/releases) and get the .jar file.
 
-## JavaCalc in action
+## Uninstall
-![](https://raw.githubusercontent.com/krolyxon/JavaCalc/master/assets/screenshot1.png)
+```bash
+  $ ./install.sh -u
+```
+
+## jcal in action
+![](https://raw.githubusercontent.com/krolyxon/jcal/master/assets/screenshot1.png)
 
 ## License
-This project is licensed under the [`GPLv3 LICENSE`](https://github.com/krolyxon/JavaCalc/blob/master/LICENSE)
+This project is licensed under the [`GPLv3 LICENSE`](https://github.com/krolyxon/jcal/blob/master/LICENSE)

build.sh

@@ -1,4 +1,4 @@
 #!/bin/sh
 mkdir -p release
 javac -d ./bin src/*.java
-jar cvmf manifest.mf ./release/JavaCalc.jar -C ./bin .
+jar cvmf manifest.mf ./release/jcal.jar -C ./bin .

install.sh

@@ -1,10 +1,10 @@
 #!/bin/sh
 
 if [[ $* = "-u" ]] then
-    echo "Uninstalling JavaCalc"
+    echo "Uninstalling jcal"
-    echo "removing: /usr/bin/JavaCalc"
+    echo "removing: /usr/bin/jcal.jar"
     echo "removing: /usr/bin/jcal"
-    sudo rm  /usr/bin/JavaCalc.jar /usr/bin/jcal
+    sudo rm  /usr/bin/jcal.jar /usr/bin/jcal
 else
     ./build.sh
     sudo cp ./release/*.jar /usr/bin/

jcal

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-java -jar /usr/bin/JavaCalc.jar
+java -jar /usr/bin/jcal.jar

src/GFrame.java

@@ -46,10 +46,24 @@ public class GFrame extends JFrame {
         // b.setBackground(Color.decode("#F78361"));
         b.setBackground(Color.decode("#2B2B2B"));
         b.setForeground(Color.decode("#e5e5e5"));
-        b.setFont((new Font("Times New Roman", Font.PLAIN, 20)));
+        b.setFont((new Font("Times New Roman", 1, 20)));
         b.setBounds(d1, d2, d3, d4);
         b.setBorder(new RoundBtn(15));
         b.setText(text);
+        b.setBorderPainted(false);
+        return b;
+    }
+
+private JButton newButtonWhite(String text, int d1, int d2, int d3, int d4) {
+        JButton b = new JButton();
+        // b.setBackground(Color.decode("#F78361"));
+        b.setBackground(Color.decode("#e5e5e5"));
+        b.setForeground(Color.decode("#131313"));
+        b.setFont((new Font("Times New Roman", Font.BOLD, 20)));
+        b.setBounds(d1, d2, d3, d4);
+        b.setBorder(new RoundBtn(15));
+        b.setText(text);
+        b.setBorderPainted(false);
         return b;
     }
 
@@ -85,18 +99,22 @@ public class GFrame extends JFrame {
         lHist.setForeground(Color.decode("#e5e5e5"));
         lHist.setBounds(380, 50, 200, 240);
         lHist.setFont(new Font("Times New Roman", Font.PLAIN, 20));
-        lHist.setBorder(new RoundBtn(5));
+        lHist.setSelectionBackground(Color.decode("#FEA00B"));
+        lHist.setSelectionForeground(Color.decode("#111111"));
+        // lHist.setBorder(new RoundBtn(0));
         this.add(lHist);
 
         // Buttons
-        JButton bEval = newButton("=", 290, 50, 60, 40);
+        JButton bEval = newButtonWhite("=", 290, 50, 60, 40);
-        JButton bExp = newButton("^", 250, 100, 100, 40);
+        JButton bExp = newButtonWhite("^", 250, 100, 100, 40);
-        JButton bClear = newButton("CL", 180, 100, 60, 40);
+        JButton bClear = newButton("AC", 180, 100, 60, 40);
+        bClear.setBackground(Color.decode("#FEA00B"));
+        bClear.setForeground(Color.decode("#111111"));
         JButton bClearHistory = newButton("Clear History", 380, 300, 200, 40);
-        JButton bAdd = newButton("+", 250, 300, 100, 40);
+        JButton bAdd = newButtonWhite("+", 250, 300, 100, 40);
-        JButton bSub = newButton("-", 250, 250, 100, 40);
+        JButton bSub = newButtonWhite("-", 250, 250, 100, 40);
-        JButton bMul = newButton("x", 250, 200, 100, 40);
+        JButton bMul = newButtonWhite("x", 250, 200, 100, 40);
-        JButton bDiv = newButton("÷", 250, 150, 100, 40);
+        JButton bDiv = newButtonWhite("÷", 250, 150, 100, 40);
         JButton bCut = newButton("", 180, 300, 60, 40);
         bCut.setFont(new Font("JetBrainsMono Nerd Font", Font.PLAIN, 20));
         JButton bRightPar = newButton(")", 110, 100, 60, 40);
@@ -150,13 +168,15 @@ public class GFrame extends JFrame {
         // ActionsListeners
         bEval.addActionListener(new ActionListener() {
             public void actionPerformed(ActionEvent e) {
-                if (tf.getText().length() != 0) {
+                String expr = tf.getText();
-                    String expression = tf.getText();
+                if (expr.length() == 0 || expr.equalsIgnoreCase("No input")) {
+                    tf.setText("No input");
+                } else {
                     DecimalFormat format = new DecimalFormat();
                     p = new Parser(tf.getText());
                     String formattedResult = format.format(p.eval());
                     tf.setText(formattedResult);
-                    String formattedExpr = expression + " = " + formattedResult;
+                    String formattedExpr = expr + " = " + formattedResult;
 
                     // Dont add to history if its already present in histList
                     for (int i = 0; i < histList.size(); i++) {
@@ -165,8 +185,6 @@ public class GFrame extends JFrame {
                         }
                     }
                     histList.addElement(formattedExpr);
-                } else {
-                    tf.setText("No input");
                 }
             }
         });