1 files changed, 106 insertions, 0 deletions
diff --git a/mut/dmenu-mac/src/ResultsView.swift b/mut/dmenu-mac/src/ResultsView.swift
new file mode 100644
index 0000000..075e87a
--- /dev/null
+++ b/mut/dmenu-mac/src/ResultsView.swift
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2016 Jose Pereira <onaips@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import Cocoa
+
+class ResultsView: NSView {
+    @IBOutlet fileprivate var scrollView: NSScrollView!
+
+    let rectFillPadding: CGFloat = 5
+    var resultsList: [ListItem] = []
+
+    var dirtyWidth: Bool = false
+    var selectedRect = NSRect()
+
+    var selectedIndexValue: Int = 0
+    var selectedIndex: Int {
+        get {
+            return selectedIndexValue
+        }
+        set {
+            if newValue < 0 || newValue >= resultsList.count {
+                return
+            }
+
+            selectedIndexValue = newValue
+            needsDisplay = true
+        }
+    }
+
+    var list: [ListItem] {
+        get {
+            return resultsList
+        }
+        set {
+            selectedIndexValue = 0
+            resultsList = newValue
+            needsDisplay = true
+        }
+    }
+
+    func selectedItem() -> ListItem? {
+        if selectedIndexValue < 0 || selectedIndexValue >= resultsList.count {
+            return nil
+        } else {
+            return resultsList[selectedIndexValue]
+        }
+    }
+
+    func clear() {
+        resultsList.removeAll()
+        needsDisplay = true
+    }
+
+    override func draw(_ dirtyRect: NSRect) {
+        var textX = CGFloat(rectFillPadding)
+        let drawList = list.count > 0 ? list : [ListItem(name: "No results", data: nil)]
+
+        for i in 0 ..< drawList.count {
+            let item = (drawList[i].name) as NSString
+            let size = item.size(withAttributes: [NSAttributedString.Key: Any]())
+            let textY = (frame.height - size.height) / 2
+
+            if selectedIndexValue == i {
+                selectedRect = NSRect(
+                    x: textX - rectFillPadding,
+                    y: textY - rectFillPadding,
+                    width: size.width + rectFillPadding * 2,
+                    height: size.height + rectFillPadding * 2)
+                NSColor.selectedTextBackgroundColor.setFill()
+                __NSRectFill(selectedRect)
+            }
+
+            item.draw(in: NSRect(
+                            x: textX,
+                            y: textY,
+                            width: size.width,
+                            height: size.height), withAttributes: [
+                                NSAttributedString.Key.foregroundColor: NSColor.textColor
+                            ])
+
+            textX += 10 + size.width
+        }
+        if dirtyWidth {
+            frame = CGRect(x: frame.origin.x, y: frame.origin.y, width: textX, height: frame.height)
+            dirtyWidth = false
+            scrollView.contentView.scrollToVisible(selectedRect)
+        }
+    }
+
+    func updateWidth() {
+        dirtyWidth = true
+    }
+}