1 files changed, 49 insertions, 0 deletions
diff --git a/ui/form/Button.js b/ui/form/Button.js
new file mode 100644
index 0000000..9a3d2f7
--- /dev/null
+++ b/ui/form/Button.js
@@ -0,0 +1,49 @@
+const ansi = require('../../ansi')
+const telc = require('../../telchars')
+
+const FocusElement = require('./FocusElement')
+
+module.exports = class ButtonInput extends FocusElement {
+  // A button.
+
+  constructor(text) {
+    super()
+
+    this.text = text
+
+    this.cursorX = null
+    this.cursorY = null
+  }
+
+  // Setting the text of the button should change the width of the button to
+  // fit the text.
+  //
+  // TODO: Make this happen in fixLayout
+  set text(newText) {
+    this._text = newText
+    this.w = newText.length
+  }
+
+  get text() {
+    return this._text
+  }
+
+  drawTo(writable) {
+    if (this.isSelected) {
+      writable.write(ansi.invert())
+    }
+
+    writable.write(ansi.moveCursor(this.absTop, this.absLeft))
+    writable.write(this.text)
+
+    writable.write(ansi.resetAttributes())
+
+    super.drawTo(writable)
+  }
+
+  keyPressed(keyBuf) {
+    if (telc.isSelect(keyBuf)) {
+      this.emit('pressed')
+    }
+  }
+}