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/*
* 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, CALayerDelegate {
unowned var common: Common
var mpv: MPVHelper? { get { return common.mpv } }
var input: InputHelper? { get { return common.input } }
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([ .fileURL, .URL, .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() {
input?.put(key: SWIFT_KEY_MOUSE_LEAVE)
}
}
override func draggingEntered(_ sender: NSDraggingInfo) -> NSDragOperation {
guard let types = sender.draggingPasteboard.types else { return [] }
if types.contains(.fileURL) || types.contains(.URL) || types.contains(.string) {
return .copy
}
return []
}
func isURL(_ str: String) -> Bool {
// force unwrapping is fine here, regex is guaranteed 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 }
var files: [String] = []
if types.contains(.fileURL) || types.contains(.URL) {
guard let urls = pb.readObjects(forClasses: [NSURL.self]) as? [URL] else { return false }
files = urls.map { $0.absoluteString }
} else if types.contains(.string) {
guard let str = pb.string(forType: .string) else { return false }
files = str.components(separatedBy: "\n").compactMap {
let url = $0.trimmingCharacters(in: .whitespacesAndNewlines)
let path = (url as NSString).expandingTildeInPath
if isURL(url) { return url }
if path.starts(with: "/") { return path }
return nil
}
}
if files.isEmpty { return false }
input?.open(files: files)
return true
}
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 input?.mouseEnabled() ?? true {
input?.put(key: SWIFT_KEY_MOUSE_ENTER)
}
common.updateCursorVisibility()
}
override func mouseExited(with event: NSEvent) {
if input?.mouseEnabled() ?? true {
input?.put(key: SWIFT_KEY_MOUSE_LEAVE)
}
common.titleBar?.hide()
common.setCursorVisibility(true)
}
override func mouseMoved(with event: NSEvent) {
signalMouseMovement(event)
common.titleBar?.show()
}
override func mouseDragged(with event: NSEvent) {
signalMouseMovement(event)
}
override func mouseDown(with event: NSEvent) {
hasMouseDown = true
input?.processMouse(event: event)
}
override func mouseUp(with event: NSEvent) {
hasMouseDown = false
common.window?.isMoving = false
input?.processMouse(event: event)
}
override func rightMouseDown(with event: NSEvent) {
hasMouseDown = true
input?.processMouse(event: event)
}
override func rightMouseUp(with event: NSEvent) {
hasMouseDown = false
input?.processMouse(event: event)
}
override func otherMouseDown(with event: NSEvent) {
hasMouseDown = true
input?.processMouse(event: event)
}
override func otherMouseUp(with event: NSEvent) {
hasMouseDown = false
input?.processMouse(event: event)
}
override func magnify(with event: NSEvent) {
event.phase == .ended ?
common.windowDidEndLiveResize() : common.windowWillStartLiveResize()
common.window?.addWindowScale(Double(event.magnification))
}
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) {
input?.setMouse(position: point)
}
}
override func scrollWheel(with event: NSEvent) {
input?.processWheel(event: event)
}
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
}
}
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