--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/name/blackcap/imageprep/Menus.kt	Thu Jul 16 19:57:23 2020 -0700
@@ -0,0 +1,170 @@
+/*
+ * Menus.
+ */
+package name.blackcap.imageprep
+
+import java.awt.Graphics2D
+import java.awt.RenderingHints
+import java.awt.Window
+import java.awt.event.ActionEvent
+import java.awt.event.ActionListener
+import java.awt.event.KeyEvent
+import java.awt.image.BufferedImage
+import java.io.File
+import java.util.logging.Level
+import java.util.logging.Logger
+import javax.imageio.IIOImage
+import javax.imageio.ImageIO
+import javax.imageio.ImageWriteParam
+import javax.imageio.ImageWriter
+import javax.imageio.stream.ImageOutputStream
+import javax.swing.*
+
+/**
+ * Our menu bar. What we display depends somewhat on the system type, as
+ * the Mac gives us a gratuitous menu bar entry for handling some stuff.
+ */
+class MyMenuBar: JMenuBar() {
+    init {
+        add(JMenu("File").apply {
+            add(JMenuItem("Open & Scale…").apply {
+                addActionListener(ActionListener { doOpen() })
+                makeShortcut(KeyEvent.VK_O)
+            })
+            add(JMenuItem("Discard").apply {
+                addActionListener(ActionListener { doDiscard() })
+            })
+            add(JMenuItem("Save & Close…").apply {
+                addActionListener(ActionListener { doClose() })
+                makeShortcut(KeyEvent.VK_S)
+            })
+            if (OS.type != OS.MAC) {
+                add(JMenuItem("Preferences…").apply {
+                    addActionListener(ActionListener {
+                        Application.settingsDialog.setVisible(true)
+                    })
+                    makeShortcut(KeyEvent.VK_COMMA)
+                })
+                add(JMenuItem("Quit").apply {
+                    addActionListener(ActionListener {
+                        LOGGER.log(Level.INFO, "execution complete")
+                        System.exit(0)
+                    })
+                    makeShortcut(KeyEvent.VK_Q)
+                })
+            }
+        })
+        add(JMenu("Help").apply {
+            if (OS.type != OS.MAC) {
+                add(JMenuItem("About ${Application.MYNAME}…").apply {
+                    addActionListener(ActionListener { showAboutDialog() })
+                })
+            }
+            add(JMenuItem("${Application.MYNAME} Help…").apply {
+                addActionListener(ActionListener { Application.helpDialog.setVisible(true) })
+            })
+        })
+    }
+
+    fun getMenu(name: String): JMenu? {
+        subElements.forEach {
+            val jmenu = it.component as? JMenu
+            if (jmenu?.text == name) {
+                return jmenu
+            }
+        }
+        return null
+    }
+
+    private fun doOpen() {
+        val chooser = JFileChooser().apply {
+            fileFilter = FileNameExtensionFilter("Image files", ImageIO.getReaderFileSuffixes())
+        }
+        if (chooser.showOpenDialog(Application.mainFrame) == JFileChooser.APPROVE_OPTION) {
+            RotateDialog.makeDialog(chooser.selectedFile)
+        }
+    }
+
+    private fun doDiscard() {
+        val w = FocusManager.currentManager.activeWindow as? RotateDialog
+        if (w == null) {
+            Toolkit.defaultToolkit.beep()
+            return
+        }
+        w.setVisible(false)
+        w.dispose()
+    }
+
+    private fun doClose() {
+        val w = FocusManager.currentManager.activeWindow as? RotateDialog
+        if (w == null) {
+            Toolkit.defaultToolkit.beep()
+            return
+        }
+        val outName = splitext(w.file.name).first + Settings.outputSuffix + ".jpg"
+        val chooser = JFileChooser(w).apply {
+            selectedFile = File(
+                if (Settings.outputToInputDir) w.file.parent else Settings.outputTo,
+                outName)
+        }
+        if (chooser.showOpenDialog(Application.mainFrame) != JFileChooser.APPROVE_OPTION) {
+            return
+        }
+        val (name, ext) = splitext(chooser.selectedFile.name)
+        val file = if (ext.toLowerCase() in setOf(".jpg", ".jpeg")) {
+            chooser.selectedFile
+        } else {
+            File(chooser.selectedFile.parent, name + ".jpg")
+        }
+        if (file.exists() && JOptionPane.showConfirmDialog(w, "File ${file.name} already exists. Overwrite?", "Confirm Overwrite", JOptionPane.YES_NO_OPTION) != JOptionPane.YES_OPTION) {
+            return
+        }
+        w.useWaitCursor()
+        swingWorker<IOException?> {
+            inBackground {
+                try {
+                    val ios = ImageIO.createImageOutputStream(file)
+                    val writer = ImageIO.getImageWritersByFormatName("jpeg").next()
+                    val iwp = writer.getDefaultWriteParam().apply {
+                        setCompressionMode(ImageWriteParam.MODE_EXPLICIT)
+                        setCompressionQuality(Settings.outputQuality.toFloat() / 100.0f)
+                    }
+                    writer.setOutput(ios)
+                    writer.write(null, IIOImage(w.image, null, null), iwp)
+                    null
+                } catch (e: IOException) {
+                    e
+                }
+            }
+            whenDone {
+                w.useNormalCursor()
+                val error = get()
+                if (error == null) {
+                    w.setVisible(false)
+                    w.dispose()
+                } else {
+                    ioExceptionDialog(w, file, "write", e)
+                }
+            }
+        }
+    }
+
+    private fun splitext(s: String): Pair<String, String> {
+        val pos = s.lastIndexOf('.')
+        if (pos == -1) {
+            return Pair(s, "")
+        }
+        return Pair(s.substring(0, pos), s.substring(pos))
+    }
+}
+
+/**
+ * Show an About dialog.
+ */
+fun showAboutDialog() {
+    JOptionPane.showMessageDialog(Application.mainFrame,
+        "\nImagePrep\n"
+        + "\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0© MMXX, David W. Barts\n",
+        "About ImagePrep",
+        JOptionPane.PLAIN_MESSAGE)
+}