From efc9bd3d3e42155896db411f5d1666d58c67b377 Mon Sep 17 00:00:00 2001
From: "louis.pontoise" <unknown>
Date: Fri, 7 Feb 2020 17:50:43 +0900
Subject: [PATCH] fix: better textareas

---
 alt-tab-macos/ui/FeedbackWindow.swift         | 17 +++---
 .../ui/generic-components/text/TextArea.swift | 57 +++++++++++++------
 2 files changed, 48 insertions(+), 26 deletions(-)

diff --git a/alt-tab-macos/ui/FeedbackWindow.swift b/alt-tab-macos/ui/FeedbackWindow.swift
index 5392ed31e..96e9a2bd4 100644
--- a/alt-tab-macos/ui/FeedbackWindow.swift
+++ b/alt-tab-macos/ui/FeedbackWindow.swift
@@ -1,6 +1,6 @@
 import Cocoa
 
-class FeedbackWindow: NSWindow, NSTextViewDelegate {
+class FeedbackWindow: NSWindow {
     var body: TextArea!
     var email: TextArea!
     var sendButton: NSButton!
@@ -44,8 +44,9 @@ class FeedbackWindow: NSWindow, NSTextViewDelegate {
             sendButton,
         ])
         buttons.spacing = GridView.interPadding
-        body = TextArea(80, 20, "I think the app could be improved with…")
-        body.delegate = self
+        body = TextArea(80, 12, "I think the app could be improved with…", {
+            self.sendButton.isEnabled = !self.body.stringValue.isEmpty
+        })
         email = TextArea(80, 1, "Optional: email (if you want a reply)")
         debugProfile = NSButton(checkboxWithTitle: "Send debug profile (CPU, memory, etc)", target: nil, action: nil)
         debugProfile.state = .on
@@ -61,10 +62,6 @@ class FeedbackWindow: NSWindow, NSTextViewDelegate {
         contentView = view
     }
 
-    func textDidChange(_ notification: Notification) {
-        sendButton.isEnabled = !body.string.isEmpty
-    }
-
     @objc
     private func cancelCallback(senderControl: NSControl) {
         close()
@@ -97,11 +94,11 @@ class FeedbackWindow: NSWindow, NSTextViewDelegate {
     private func assembleBody() -> String {
         var result = ""
         result += "_This issue was opened by a bot after a user submitted feedback through the in-app form._"
-        if !email.string.isEmpty {
-            result += "\n\n__From:__ " + email.string
+        if !email.stringValue.isEmpty {
+            result += "\n\n__From:__ " + email.stringValue
         }
         result += "\n\n__Message:__"
-        result += "\n\n> " + body.string.replacingOccurrences(of: "\n", with: "\n> ")
+        result += "\n\n> " + body.stringValue.replacingOccurrences(of: "\n", with: "\n> ")
         if debugProfile.state == .on {
             result += "\n\n__Debug profile:__"
             result += "\n\n" + DebugProfile.make()
diff --git a/alt-tab-macos/ui/generic-components/text/TextArea.swift b/alt-tab-macos/ui/generic-components/text/TextArea.swift
index 30e30afef..69cdb6c30 100644
--- a/alt-tab-macos/ui/generic-components/text/TextArea.swift
+++ b/alt-tab-macos/ui/generic-components/text/TextArea.swift
@@ -1,23 +1,48 @@
 import Cocoa
 
-class TextArea: NSTextView {
-    static let padding = CGFloat(10)
-    static let magicOffset = CGFloat(3)
-    @objc var placeholderAttributedString: NSAttributedString?
+class TextArea: NSTextField, NSTextFieldDelegate {
+    static let padding = CGFloat(5)
+    var callback: (() -> Void)!
 
-    convenience init(_ width: CGFloat, _ height: CGFloat, _ placeholder: String) {
+    convenience init(_ nCharactersWide: CGFloat, _ nLinesHigh: Int, _ placeholder: String, _ callback: (() -> Void)? = nil) {
         self.init(frame: .zero)
-        allowsUndo = true
+        self.callback = callback
+        delegate = self
+        cell = TextFieldCell(placeholder, nLinesHigh == 1)
+        fit(font!.xHeight * nCharactersWide + TextArea.padding * 2, fittingSize.height * CGFloat(nLinesHigh) + TextArea.padding * 2)
+    }
+
+    func controlTextDidChange(_ notification: Notification) {
+        callback?()
+    }
+
+    // enter key inserts new line instead of submitting
+    func control(_ control: NSControl, textView: NSTextView, doCommandBy commandSelector: Selector) -> Bool {
+        guard commandSelector == #selector(NSResponder.insertNewline) else { return false }
+        textView.insertNewlineIgnoringFieldEditor(self)
+        return true
+    }
+}
+
+// subclassing NSTextFieldCell is done uniquely to add padding
+class TextFieldCell: NSTextFieldCell {
+    convenience init(_ placeholder: String, _ usesSingleLineMode: Bool) {
+        self.init()
+        isBordered = true
+        isBezeled = true
+        isEditable = true
         font = NSFont.systemFont(ofSize: NSFont.systemFontSize)
-        textContainerInset = NSSize(width: TextArea.padding, height: TextArea.padding)
-        textContainer!.lineFragmentPadding = 0
-        let paragraphStyle = NSParagraphStyle.default.mutableCopy() as! NSMutableParagraphStyle
-        paragraphStyle.maximumLineHeight = NSFont.systemFontSize + TextArea.magicOffset
-        placeholderAttributedString = NSAttributedString(string: placeholder, attributes: [
-            NSAttributedString.Key.font: NSFont.systemFont(ofSize: NSFont.systemFontSize),
-            NSAttributedString.Key.foregroundColor: NSColor.gray,
-            NSAttributedString.Key.paragraphStyle: paragraphStyle,
-        ])
-        fit(font!.xHeight * width + TextArea.padding * 2, NSFont.systemFontSize * height + TextArea.padding * 2 + TextArea.magicOffset)
+        stringValue = ""
+        placeholderString = placeholder
+        self.usesSingleLineMode = usesSingleLineMode
+    }
+
+    override func drawingRect(forBounds rect: NSRect) -> NSRect {
+        return super.drawingRect(forBounds: NSMakeRect(
+                rect.origin.x + TextArea.padding,
+                rect.origin.y + TextArea.padding,
+                rect.size.width - TextArea.padding * 2,
+                rect.size.height - TextArea.padding * 2
+        ))
     }
 }