1 files changed, 297 insertions, 0 deletions
diff --git a/video/out/mac/view.swift b/video/out/mac/view.swift
new file mode 100644
index 0000000000..a54f1da948
--- /dev/null
+++ b/video/out/mac/view.swift
@@ -0,0 +1,297 @@
+/*
+ * This file is part of mpv.
+ *
+ * mpv is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * mpv 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with mpv.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import Cocoa
+
+class View: NSView {
+    unowned var common: Common
+    var mpv: MPVHelper? { get { return common.mpv } }
+
+    var tracker: NSTrackingArea?
+    var hasMouseDown: Bool = false
+
+    override var isFlipped: Bool { return true }
+    override var acceptsFirstResponder: Bool { return true }
+
+
+    init(frame: NSRect, common com: Common) {
+        common = com
+        super.init(frame: frame)
+        autoresizingMask = [.width, .height]
+        wantsBestResolutionOpenGLSurface = true
+        registerForDraggedTypes([ .fileURLCompat, .URLCompat, .string ])
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func updateTrackingAreas() {
+        if let tracker = self.tracker {
+            removeTrackingArea(tracker)
+        }
+
+        tracker = NSTrackingArea(rect: bounds,
+            options: [.activeAlways, .mouseEnteredAndExited, .mouseMoved, .enabledDuringMouseDrag],
+            owner: self, userInfo: nil)
+        // here tracker is guaranteed to be none-nil
+        addTrackingArea(tracker!)
+
+        if containsMouseLocation() {
+            cocoa_put_key_with_modifiers(SWIFT_KEY_MOUSE_LEAVE, 0)
+        }
+    }
+
+    override func draggingEntered(_ sender: NSDraggingInfo) -> NSDragOperation {
+        guard let types = sender.draggingPasteboard.types else { return [] }
+        if types.contains(.fileURLCompat) || types.contains(.URLCompat) || types.contains(.string) {
+            return .copy
+        }
+        return []
+    }
+
+    func isURL(_ str: String) -> Bool {
+        // force unwrapping is fine here, regex is guarnteed to be valid
+        let regex = try! NSRegularExpression(pattern: "^(https?|ftp)://[^\\s/$.?#].[^\\s]*$",
+                                             options: .caseInsensitive)
+        let isURL = regex.numberOfMatches(in: str,
+                                     options: [],
+                                       range: NSRange(location: 0, length: str.count))
+        return isURL > 0
+    }
+
+    override func performDragOperation(_ sender: NSDraggingInfo) -> Bool {
+        let pb = sender.draggingPasteboard
+        guard let types = pb.types else { return false }
+
+        if types.contains(.fileURLCompat) || types.contains(.URLCompat) {
+            if let urls = pb.readObjects(forClasses: [NSURL.self]) as? [URL] {
+                let files = urls.map { $0.absoluteString }
+                EventsResponder.sharedInstance().handleFilesArray(files)
+                return true
+            }
+        } else if types.contains(.string) {
+            guard let str = pb.string(forType: .string) else { return false }
+            var filesArray: [String] = []
+
+            for val in str.components(separatedBy: "\n") {
+                let url = val.trimmingCharacters(in: .whitespacesAndNewlines)
+                let path = (url as NSString).expandingTildeInPath
+                if isURL(url) {
+                    filesArray.append(url)
+                } else if path.starts(with: "/") {
+                    filesArray.append(path)
+                }
+            }
+            EventsResponder.sharedInstance().handleFilesArray(filesArray)
+            return true
+        }
+        return false
+    }
+
+    override func acceptsFirstMouse(for event: NSEvent?) -> Bool {
+        return true
+    }
+
+    override func becomeFirstResponder() -> Bool {
+        return true
+    }
+
+    override func resignFirstResponder() -> Bool {
+        return true
+    }
+
+    override func mouseEntered(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            cocoa_put_key_with_modifiers(SWIFT_KEY_MOUSE_ENTER, 0)
+        }
+        common.updateCursorVisibility()
+    }
+
+    override func mouseExited(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            cocoa_put_key_with_modifiers(SWIFT_KEY_MOUSE_LEAVE, 0)
+        }
+        common.titleBar?.hide()
+        common.setCursorVisiblility(true)
+    }
+
+    override func mouseMoved(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            signalMouseMovement(event)
+        }
+        common.titleBar?.show()
+    }
+
+    override func mouseDragged(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            signalMouseMovement(event)
+        }
+    }
+
+    override func mouseDown(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            signalMouseDown(event)
+        }
+    }
+
+    override func mouseUp(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            signalMouseUp(event)
+        }
+        common.window?.isMoving = false
+    }
+
+    override func rightMouseDown(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            signalMouseDown(event)
+        }
+    }
+
+    override func rightMouseUp(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            signalMouseUp(event)
+        }
+    }
+
+    override func otherMouseDown(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            signalMouseDown(event)
+        }
+    }
+
+    override func otherMouseUp(with event: NSEvent) {
+        if mpv?.mouseEnabled() ?? true {
+            signalMouseUp(event)
+        }
+    }
+
+    override func magnify(with event: NSEvent) {
+        event.phase == .ended ?
+            common.windowDidEndLiveResize() : common.windowWillStartLiveResize()
+
+        common.window?.addWindowScale(Double(event.magnification))
+    }
+
+    func signalMouseDown(_ event: NSEvent) {
+        signalMouseEvent(event, MP_KEY_STATE_DOWN)
+        if event.clickCount > 1 {
+            signalMouseEvent(event, MP_KEY_STATE_UP)
+        }
+    }
+
+    func signalMouseUp(_ event: NSEvent) {
+        signalMouseEvent(event, MP_KEY_STATE_UP)
+    }
+
+    func signalMouseEvent(_ event: NSEvent, _ state: UInt32) {
+        hasMouseDown = state == MP_KEY_STATE_DOWN
+        let mpkey = getMpvButton(event)
+        cocoa_put_key_with_modifiers((mpkey | Int32(state)), Int32(event.modifierFlags.rawValue))
+    }
+
+    func signalMouseMovement(_ event: NSEvent) {
+        var point = convert(event.locationInWindow, from: nil)
+        point = convertToBacking(point)
+        point.y = -point.y
+
+        common.window?.updateMovableBackground(point)
+        if !(common.window?.isMoving ?? false) {
+            mpv?.setMousePosition(point)
+        }
+    }
+
+    func preciseScroll(_ event: NSEvent) {
+        var delta: Double
+        var cmd: Int32
+
+        if abs(event.deltaY) >= abs(event.deltaX) {
+            delta = Double(event.deltaY) * 0.1
+            cmd = delta > 0 ? SWIFT_WHEEL_UP : SWIFT_WHEEL_DOWN
+        } else {
+            delta = Double(event.deltaX) * 0.1
+            cmd = delta > 0 ? SWIFT_WHEEL_RIGHT : SWIFT_WHEEL_LEFT
+        }
+
+        mpv?.putAxis(cmd, delta: abs(delta))
+    }
+
+    override func scrollWheel(with event: NSEvent) {
+        if !(mpv?.mouseEnabled() ?? true) {
+            return
+        }
+
+        if event.hasPreciseScrollingDeltas {
+            preciseScroll(event)
+        } else {
+            let modifiers = event.modifierFlags
+            let deltaX = modifiers.contains(.shift) ? event.scrollingDeltaY : event.scrollingDeltaX
+            let deltaY = modifiers.contains(.shift) ? event.scrollingDeltaX : event.scrollingDeltaY
+            var mpkey: Int32
+
+            if abs(deltaY) >= abs(deltaX) {
+                mpkey = deltaY > 0 ? SWIFT_WHEEL_UP : SWIFT_WHEEL_DOWN
+            } else {
+                mpkey = deltaX > 0 ? SWIFT_WHEEL_RIGHT : SWIFT_WHEEL_LEFT
+            }
+
+            cocoa_put_key_with_modifiers(mpkey, Int32(modifiers.rawValue))
+        }
+    }
+
+    func containsMouseLocation() -> Bool {
+        var topMargin: CGFloat = 0.0
+        let menuBarHeight = NSApp.mainMenu?.menuBarHeight ?? 23.0
+
+        guard let window = common.window else { return false }
+        guard var vF = window.screen?.frame else { return false }
+
+        if window.isInFullscreen && (menuBarHeight > 0) {
+            topMargin = TitleBar.height + 1 + menuBarHeight
+        }
+
+        vF.size.height -= topMargin
+
+        let vFW = window.convertFromScreen(vF)
+        let vFV = convert(vFW, from: nil)
+        let pt = convert(window.mouseLocationOutsideOfEventStream, from: nil)
+
+        var clippedBounds = bounds.intersection(vFV)
+        if !window.isInFullscreen {
+            clippedBounds.origin.y += TitleBar.height
+            clippedBounds.size.height -= TitleBar.height
+        }
+        return clippedBounds.contains(pt)
+    }
+
+    func canHideCursor() -> Bool {
+        guard let window = common.window else { return false }
+        return !hasMouseDown && containsMouseLocation() && window.isKeyWindow
+    }
+
+    func getMpvButton(_ event: NSEvent) -> Int32 {
+        let buttonNumber = event.buttonNumber
+        switch (buttonNumber) {
+            case 0:  return SWIFT_MBTN_LEFT
+            case 1:  return SWIFT_MBTN_RIGHT
+            case 2:  return SWIFT_MBTN_MID
+            case 3:  return SWIFT_MBTN_BACK
+            case 4:  return SWIFT_MBTN_FORWARD
+            default: return SWIFT_MBTN9 + Int32(buttonNumber - 5)
+        }
+    }
+}