angel/calc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 3 Wiki Activity

fix

Browse Source
This commit is contained in:
angel
2025-12-22 09:46:16 -06:00
parent b9c4c6f3e7
commit fdbcb56b1b
5 changed files with 241 additions and 250 deletions
Download Patch File Download Diff File Expand all files Collapse all files

441
src/main/java/dev/sillyangel/calc/Calculator.java
View File

@@ -4,6 +4,8 @@ package dev.sillyangel.calc;
// java to javax, com, dev
import java.awt.*;
import java.awt.event.*;
import java.awt.datatransfer.*;
import java.io.Serial;
import java.util.ArrayList;
import java.util.List;
import java.io.IOException;
@@ -27,30 +29,28 @@ import dev.sillyangel.calc.themes.*;
public class Calculator extends JFrame implements KeyListener {
@Serial
private static final long serialVersionUID = 1L;
private static final String PREF_NODE_NAME = "dev/sillyangel/calc";
private static final String PREF_THEME = "theme";
private static final String PREF_FONT_SIZE = "fontSize";
private static final String PREF_ALWAYS_ON_TOP = "alwaysOnTop";
public static final Preferences prefs = Preferences.userRoot().node(PREF_NODE_NAME);
public static String APPILCATION_VERSION = "1.0.0pre";
private static final long serialVersionUID = 1L;
public static String APPLICATION_VERSION = "1.0.0pre";
private JPanel contentPane;
private JTextField display;
private String operand1;
private String operator;
private String operand2;
private JButton btnDiv;
private JButton btnMul;
private JButton btnMin;
private JButton btnPlus;
protected boolean resultVisible;
protected double result;
private String[] Modes = new String[] {"Standard", "Scientific", "Data calculation"};
private JComboBox<String> modeselect;
private JComboBox<String> modeselect;
private final CalculatorHistory history;
private final List<String> undoStack = new ArrayList<>();
private int undoIndex = -1;
public static final String getVersion() {
return APPILCATION_VERSION;
public static String getVersion() {
return APPLICATION_VERSION;
}
public static void main(String[] args) {
@@ -205,7 +205,8 @@ public class Calculator extends JFrame implements KeyListener {
menubar.add(help);
setJMenuBar(menubar);
modeselect = new JComboBox<>(Modes);
String[] modes = new String[]{"Standard", "Scientific", "Data calculation"};
modeselect = new JComboBox<>(modes);
modeselect.addActionListener(new ActionListener() {
@SuppressWarnings("unchecked")
public void actionPerformed(ActionEvent e) {
@@ -253,246 +254,190 @@ public class Calculator extends JFrame implements KeyListener {
JButton btn8 = new JButton("8");
JButton btn9 = new JButton("9");
btnDiv = new JButton("/");
btnMul = new JButton("*");
btnMin = new JButton("-");
btnPlus = new JButton("+");
JButton btnDiv = new JButton("/");
JButton btnMul = new JButton("*");
JButton btnMin = new JButton("-");
JButton btnPlus = new JButton("+");
btnDot.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String n = display.getText(); // get the text on the display
if (n.contains(".")) return; // if it already contains a "." skip rest of this
processDigit(e.getActionCommand());
}
});
btnEq.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
math();
}
});
btnBackspace.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
backspace();
}
});
btnClearEntry.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
clearEntry();
}
});
btnClear.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
clearAll();
}
});
btnPlus.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setOperator(e.getActionCommand());
}
});
btnDiv.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setOperator(e.getActionCommand());
}
});
btnMul.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setOperator(e.getActionCommand());
}
});
btnMin.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setOperator(e.getActionCommand());
}
});
btn0.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
processDigit(e.getActionCommand());
}
});
btn1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
processDigit(e.getActionCommand());
}
});
btn2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
processDigit(e.getActionCommand());
}
});
btn3.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
processDigit(e.getActionCommand());
}
});
btn4.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
processDigit(e.getActionCommand());
}
});
btn5.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
processDigit(e.getActionCommand());
}
});
btn6.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
processDigit(e.getActionCommand());
}
});
btn7.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
processDigit(e.getActionCommand());
}
});
btn8.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
processDigit(e.getActionCommand());
}
});
btn9.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String n = display.getText();
if (n.contains(".")) return;
processDigit(e.getActionCommand());
}
});
btnPlusMin.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
String tmp = display.getText();
if (tmp == null || tmp.isEmpty()) return;
char first = tmp.charAt(0);
if (first == '-') {
tmp = tmp.substring(1, tmp.length());
display.setText(tmp);
} else {
display.setText("-" + tmp);
}
}
});
btnPercent.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setOperator("%");
String tmp = display.getText();
if (tmp == null || tmp.isEmpty()) return;
char first = tmp.charAt(0);
if (first == '-') {
tmp = tmp.substring(1);
display.setText(tmp);
} else {
display.setText("-" + tmp);
}
}
});
btnReciprocal.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
reciprocal();
}
});
btnClear.addActionListener(e -> clearAll());
btnReciprocal.addActionListener(e -> reciprocal());
btnSquare.addActionListener(e -> square());
btnSquareRoot.addActionListener(e -> squareRoot());
btnEq.addActionListener(e -> math());
btnBackspace.addActionListener(e -> backspace());
btnClearEntry.addActionListener(e -> display.setText(""));
btnSquare.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
square();
}
});
btnSquareRoot.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
squareRoot();
}
});
// btnBackspace.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnClear.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnClearEntry.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnPlusMin.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnEq.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnDot.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn0.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn1.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn2.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn3.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn4.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn5.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn6.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn7.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn8.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btn9.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnMul.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnMin.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnDiv.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnPlus.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnPercent.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnReciprocal.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnSquare.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// btnSquareRoot.setFont(new Font("Segoe UI", Font.PLAIN, 29));
// Make all buttons non-focusable so keyboard input always goes to the frame because if we don't it breaks
btnBackspace.setFocusable(false);
btnClear.setFocusable(false);
btnClearEntry.setFocusable(false);
btnPlusMin.setFocusable(false);
btnEq.setFocusable(false);
btnDot.setFocusable(false);
btn0.setFocusable(false);
btn1.setFocusable(false);
btn2.setFocusable(false);
btn3.setFocusable(false);
btn4.setFocusable(false);
btn5.setFocusable(false);
btn6.setFocusable(false);
btn7.setFocusable(false);
btn8.setFocusable(false);
btn9.setFocusable(false);
btnMul.setFocusable(false);
btnMin.setFocusable(false);
btnDiv.setFocusable(false);
btnPlus.setFocusable(false);
btnPercent.setFocusable(false);
btnReciprocal.setFocusable(false);
btnSquare.setFocusable(false);
btnSquareRoot.setFocusable(false);
buttonPanel.add(btnPercent);
buttonPanel.add(btnClearEntry);
buttonPanel.add(btnClear);
buttonPanel.add(btnBackspace);
buttonPanel.add(btnReciprocal);
buttonPanel.add(btnSquare);
buttonPanel.add(btnSquareRoot);
buttonPanel.add(btnDiv);
buttonPanel.add(btn7);
buttonPanel.add(btn8);
buttonPanel.add(btn9);
buttonPanel.add(btnMul);
buttonPanel.add(btn4);
buttonPanel.add(btn5);
buttonPanel.add(btn6);
buttonPanel.add(btnMin);
buttonPanel.add(btn1);
buttonPanel.add(btn2);
buttonPanel.add(btn3);
buttonPanel.add(btnPlus);
buttonPanel.add(btnPlusMin);
buttonPanel.add(btn0);
buttonPanel.add(btnDot);
buttonPanel.add(btnEq);
JButton[] buttons = {
btnPercent, btnClearEntry, btnClear, btnBackspace, btnReciprocal, btnSquare,
btnSquareRoot, btnDiv, btn7, btn8, btn9, btnMul, btn4, btn5, btn6, btnMin,
btn1, btn2, btn3, btnPlus, btnPlusMin, btn0, btnDot, btnEq
};
JButton[] operatorButtons = {
btnPlus, btnDiv, btnMul, btnMin, btnPercent
};
JButton[] digitButtons = {
btn0, btn1, btn2, btn3, btn4, btn5, btn6, btn7, btn8,
btn9
};
// Add action listeners to each digit button to process the number input
for (JButton button : digitButtons)
button.addActionListener(e -> processDigit(e.getActionCommand()));
// Add action listeners to each operator to process what operator button has been clicked
for (JButton button : operatorButtons)
button.addActionListener(e -> setOperator(e.getActionCommand()));
// add the buttons to the main display panel
for(JButton button: buttons) {
button.setFocusable(false);
button.setFont(new Font("Segoe UI", Font.PLAIN, 29));
buttonPanel.add(button);
}
contentPane.setLayout(gl_contentPane);
}
// Undo/Redo functionality
private void saveToUndoStack(String value) {
// Remove any states after current index (if user undid and then made a new action)
if (undoIndex < undoStack.size() - 1) {
undoStack.subList(undoIndex + 1, undoStack.size()).clear();
}
undoStack.add(value);
undoIndex = undoStack.size() - 1;
}
private void undoAction() {
if (undoIndex > 0) {
undoIndex--;
display.setText(undoStack.get(undoIndex));
} else {
System.out.println("Nothing to undo");
}
}
private void redoAction() {
if (undoIndex < undoStack.size() - 1) {
undoIndex++;
display.setText(undoStack.get(undoIndex));
} else {
System.out.println("Nothing to redo");
}
}
// Clipboard operations
private void cutAction() {
copyAction();
display.setText("");
}
private void copyAction() {
String text = display.getText();
if (text != null && !text.isEmpty()) {
StringSelection selection = new StringSelection(text);
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
clipboard.setContents(selection, null);
System.out.println("Copied: " + text);
}
}
private void pasteAction() {
try {
Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
String text = (String) clipboard.getData(DataFlavor.stringFlavor);
if (text != null && !text.isEmpty()) {
// Validate that pasted content is a valid number
try {
Double.parseDouble(text);
display.setText(text);
saveToUndoStack(text);
} catch (NumberFormatException ex) {
JOptionPane.showMessageDialog(this,
"Pasted content is not a valid number",
"Invalid Input", JOptionPane.ERROR_MESSAGE);
}
}
} catch (Exception ex) {
System.err.println("Error pasting: " + ex.getMessage());
}
}
// History dialog
private void showHistoryDialog() {
JDialog historyDialog = new JDialog(this, "Calculation History", true);
historyDialog.setSize(500, 400);
historyDialog.setLocationRelativeTo(this);
historyDialog.setLayout(new BorderLayout(10, 10));
List<String> historyList = history.getCalculationHistory();
if (historyList.isEmpty()) {
JLabel emptyLabel = new JLabel("No calculation history yet", SwingConstants.CENTER);
emptyLabel.setFont(new Font("Segoe UI", Font.PLAIN, 14));
historyDialog.add(emptyLabel, BorderLayout.CENTER);
} else {
JTextArea historyTextArea = new JTextArea();
historyTextArea.setEditable(false);
historyTextArea.setFont(new Font("Monospaced", Font.PLAIN, 12));
StringBuilder historyText = new StringBuilder();
for (String entry : historyList) {
historyText.append(entry).append("\n");
}
historyTextArea.setText(historyText.toString());
JScrollPane scrollPane = new JScrollPane(historyTextArea);
historyDialog.add(scrollPane, BorderLayout.CENTER);
// Status label
JLabel statusLabel = new JLabel("Total calculations: " + historyList.size());
statusLabel.setBorder(new EmptyBorder(5, 10, 5, 10));
historyDialog.add(statusLabel, BorderLayout.NORTH);
}
JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
JButton closeButton = new JButton("Close");
closeButton.addActionListener(e -> historyDialog.dispose());
buttonPanel.add(closeButton);
historyDialog.add(buttonPanel, BorderLayout.SOUTH);
historyDialog.setVisible(true);
}
private void clearHistoryAction() {
int result = JOptionPane.showConfirmDialog(this,
"Are you sure you want to clear all calculation history?",
"Clear History", JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE);
if (result == JOptionPane.YES_OPTION) {
history.clearHistory();
JOptionPane.showMessageDialog(this,
"History cleared successfully",
"Success", JOptionPane.INFORMATION_MESSAGE);
}
}
private void PreferencesAction() {
JDialog dialog = new JDialog(this, "Preferences", true);
dialog.setSize(320, 220);
@@ -607,13 +552,11 @@ public class Calculator extends JFrame implements KeyListener {
}
private void UpdateMode(String Mode) {
if (Mode == "Standard") {
if ("Standard".equals(Mode)) {
System.out.println("User has Selected Standard");
} else if (Mode == "Scientific") {
// System.out.println("User has Selected Scientific Calculator");
} else if ("Scientific".equals(Mode)) {
CalculatorModes.Scientific();
} else if (Mode == "Data calculation") {
// System.out.println("User has Selected Date calculation mode");
} else if ("Data calculation".equals(Mode)) {
CalculatorModes.DateCalculation();
} else {
System.out.println(Mode);
@@ -674,12 +617,13 @@ public class Calculator extends JFrame implements KeyListener {
}
private void processDigit(String actionCommand) {
if (resultVisible == true) {
if (resultVisible) {
display.setText("");
resultVisible = false;
}
display.setText(display.getText() + actionCommand);
String newValue = display.getText() + actionCommand;
display.setText(newValue);
saveToUndoStack(newValue);
}
private void setOperator(String daop) {
operand1 = display.getText();
@@ -692,15 +636,15 @@ public class Calculator extends JFrame implements KeyListener {
double op1 = Double.parseDouble(operand1);
double op2 = Double.parseDouble(operand2);
if (operator == "+") {
if ("+".equals(operator)) {
result = op1+op2;
} else if (operator == "-") {
} else if ("-".equals(operator)) {
result = op1-op2;
} else if (operator == "*") {
} else if ("*".equals(operator)) {
result = op1*op2;
} else if (operator == "/") {
} else if ("/".equals(operator)) {
result = op1/op2;
} else if (operator == "%") {
} else if ("%".equals(operator)) {
result = op1 % op2;
} else {
result = op2;
@@ -720,6 +664,7 @@ public class Calculator extends JFrame implements KeyListener {
resultVisible = true;
display.setText(""+result);
saveToUndoStack(""+result);
}
private void loadPreferences() {
@@ -766,7 +711,7 @@ public class Calculator extends JFrame implements KeyListener {
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
// System.out.println("Key Pressed: " + KeyEvent.getKeyText(keyCode));
if (KeyEvent.getKeyText(keyCode) == "Enter") {
if ("Enter".equals(KeyEvent.getKeyText(keyCode))) {
math();
} else if (e.getKeyCode() == KeyEvent.VK_BACK_SPACE) {
backspace();

20
src/main/java/dev/sillyangel/calc/themes/MacLightBlue.java Normal file
View File

@@ -0,0 +1,20 @@
package dev.sillyangel.calc.themes;
import com.formdev.flatlaf.themes.FlatMacLightLaf;
public class MacLightBlue extends FlatMacLightLaf {
public static final String NAME = "MacLightBlue";
public static boolean setup() {
return setup( new MacLightBlue() );
}
public static void installLafInfo() {
installLafInfo( NAME, MacLightBlue.class );
}
@Override
public String getName() {
return NAME;
}
}

4
src/main/java/dev/sillyangel/calc/themes/MacLightBlue.properties Normal file
View File

@@ -0,0 +1,4 @@
# base theme (light, dark, intellij, darcula, maclight or macdark); only used by theme editor
@baseTheme = macdark
@accentColor = #0e59c3ff

20
src/main/java/dev/sillyangel/calc/themes/MacLightRed.java Normal file
View File

@@ -0,0 +1,20 @@
package dev.sillyangel.calc.themes;
import com.formdev.flatlaf.themes.FlatMacLightLaf;
public class MacLightRed extends FlatMacLightLaf {
public static final String NAME = "MacLightRed";
public static boolean setup() {
return setup( new MacLightRed() );
}
public static void installLafInfo() {
installLafInfo( NAME, MacLightRed.class );
}
@Override
public String getName() {
return NAME;
}
}

2
src/main/java/dev/sillyangel/calc/themes/MacLightRed.properties Normal file
View File

@@ -0,0 +1,2 @@
@baseTheme = macdark
@accentColor = #a83e32