mpv/video/out/cocoa-cb/events_view.swift

297 lines
9.5 KiB
Swift

/*
* 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 EventsView: NSView {
unowned var cocoaCB: CocoaCB
var mpv: MPVHelper? { get { return cocoaCB.mpv } }
var tracker: NSTrackingArea?
var hasMouseDown: Bool = false
override var isFlipped: Bool { return true }
override var acceptsFirstResponder: Bool { return true }
init(cocoaCB ccb: CocoaCB) {
cocoaCB = ccb
super.init(frame: NSMakeRect(0, 0, 960, 480))
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)
}
cocoaCB.updateCursorVisibility()
}
override func mouseExited(with event: NSEvent) {
if mpv?.mouseEnabled() ?? true {
cocoa_put_key_with_modifiers(SWIFT_KEY_MOUSE_LEAVE, 0)
}
cocoaCB.titleBar?.hide()
cocoaCB.setCursorVisiblility(true)
}
override func mouseMoved(with event: NSEvent) {
if mpv?.mouseEnabled() ?? true {
signalMouseMovement(event)
}
cocoaCB.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)
}
cocoaCB.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) {
cocoaCB.layer?.inLiveResize = event.phase == .ended ? false : true
cocoaCB.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
cocoaCB.window?.updateMovableBackground(point)
if !(cocoaCB.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 = cocoaCB.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 = cocoaCB.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);
}
}
}