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Diffstat (limited to 'osdep/mac/input_helper.swift')
| -rw-r--r-- | osdep/mac/input_helper.swift | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/osdep/mac/input_helper.swift b/osdep/mac/input_helper.swift new file mode 100644 index 0000000000..0fa0119ad4 --- /dev/null +++ b/osdep/mac/input_helper.swift @@ -0,0 +1,294 @@ +/* + * 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 +import Carbon.HIToolbox + +class InputHelper: NSObject { + var option: OptionHelper? + var lock = NSCondition() + private var input: OpaquePointer? + + let keymap: [mp_keymap] = [ + // special keys + .init(kVK_Return, MP_KEY_ENTER), .init(kVK_Escape, MP_KEY_ESC), + .init(kVK_Delete, MP_KEY_BACKSPACE), .init(kVK_Tab, MP_KEY_TAB), + .init(kVK_VolumeUp, MP_KEY_VOLUME_UP), .init(kVK_VolumeDown, MP_KEY_VOLUME_DOWN), + .init(kVK_Mute, MP_KEY_MUTE), + + // cursor keys + .init(kVK_UpArrow, MP_KEY_UP), .init(kVK_DownArrow, MP_KEY_DOWN), + .init(kVK_LeftArrow, MP_KEY_LEFT), .init(kVK_RightArrow, MP_KEY_RIGHT), + + // navigation block + .init(kVK_Help, MP_KEY_INSERT), .init(kVK_ForwardDelete, MP_KEY_DELETE), + .init(kVK_Home, MP_KEY_HOME), .init(kVK_End, MP_KEY_END), + .init(kVK_PageUp, MP_KEY_PAGE_UP), .init(kVK_PageDown, MP_KEY_PAGE_DOWN), + + // F-keys + .init(kVK_F1, MP_KEY_F + 1), .init(kVK_F2, MP_KEY_F + 2), .init(kVK_F3, MP_KEY_F + 3), + .init(kVK_F4, MP_KEY_F + 4), .init(kVK_F5, MP_KEY_F + 5), .init(kVK_F6, MP_KEY_F + 6), + .init(kVK_F7, MP_KEY_F + 7), .init(kVK_F8, MP_KEY_F + 8), .init(kVK_F9, MP_KEY_F + 9), + .init(kVK_F10, MP_KEY_F + 10), .init(kVK_F11, MP_KEY_F + 11), .init(kVK_F12, MP_KEY_F + 12), + .init(kVK_F13, MP_KEY_F + 13), .init(kVK_F14, MP_KEY_F + 14), .init(kVK_F15, MP_KEY_F + 15), + .init(kVK_F16, MP_KEY_F + 16), .init(kVK_F17, MP_KEY_F + 17), .init(kVK_F18, MP_KEY_F + 18), + .init(kVK_F19, MP_KEY_F + 19), .init(kVK_F20, MP_KEY_F + 20), + + // numpad + .init(kVK_ANSI_KeypadPlus, Int32(Character("+").asciiValue ?? 0)), + .init(kVK_ANSI_KeypadMinus, Int32(Character("-").asciiValue ?? 0)), + .init(kVK_ANSI_KeypadMultiply, Int32(Character("*").asciiValue ?? 0)), + .init(kVK_ANSI_KeypadDivide, Int32(Character("/").asciiValue ?? 0)), + .init(kVK_ANSI_KeypadEnter, MP_KEY_KPENTER), .init(kVK_ANSI_KeypadDecimal, MP_KEY_KPDEC), + .init(kVK_ANSI_Keypad0, MP_KEY_KP0), .init(kVK_ANSI_Keypad1, MP_KEY_KP1), + .init(kVK_ANSI_Keypad2, MP_KEY_KP2), .init(kVK_ANSI_Keypad3, MP_KEY_KP3), + .init(kVK_ANSI_Keypad4, MP_KEY_KP4), .init(kVK_ANSI_Keypad5, MP_KEY_KP5), + .init(kVK_ANSI_Keypad6, MP_KEY_KP6), .init(kVK_ANSI_Keypad7, MP_KEY_KP7), + .init(kVK_ANSI_Keypad8, MP_KEY_KP8), .init(kVK_ANSI_Keypad9, MP_KEY_KP9), + + .init(0, 0) + ] + + init(_ input: OpaquePointer? = nil, _ option: OptionHelper? = nil) { + super.init() + self.input = input + self.option = option + } + + func put( + key: Int32, + modifiers: NSEvent.ModifierFlags = .init(rawValue: 0), + type: NSEvent.EventType = .applicationDefined + ) { + lock.withLock { + putKey(key, modifiers: modifiers, type: type) + } + } + + private func putKey( + _ key: Int32, + modifiers: NSEvent.ModifierFlags = .init(rawValue: 0), + type: NSEvent.EventType = .applicationDefined + ) { + if key < 1 { return } + + guard let input = input else { return } + let code = key | mapModifier(modifiers) | mapType(type) + mp_input_put_key(input, code) + + if type == .keyUp { + mp_input_put_key(input, MP_INPUT_RELEASE_ALL) + } + } + + @objc func processKey(event: NSEvent) -> Bool { + if event.type != .keyDown && event.type != .keyUp { return false } + if NSApp.mainMenu?.performKeyEquivalent(with: event) ?? false || event.isARepeat { return true } + + return lock.withLock { + let mpkey = lookup_keymap_table(keymap, Int32(event.keyCode)) + if mpkey > 0 { + putKey(mpkey, modifiers: event.modifierFlags, type: event.type) + return true + } + + guard let chars = event.characters, let charsNoMod = event.charactersIgnoringModifiers else { return false } + var key = (useAltGr() && event.modifierFlags.contains(.optionRight)) ? chars : charsNoMod + if key.isEmpty { key = mapDeadKey(event) } + if key.isEmpty { return false } + key.withCString { + var bstr = bstr0($0) + putKey(bstr_decode_utf8(bstr, &bstr), modifiers: event.modifierFlags, type: event.type) + } + return true + } + } + + func processMouse(event: NSEvent) { + if !mouseEnabled() { return } + lock.withLock { + putKey(map(button: event.buttonNumber), modifiers: event.modifierFlags, type: event.type) + if event.clickCount > 1 { + putKey(map(button: event.buttonNumber), modifiers: event.modifierFlags, type: .keyUp) + } + } + } + + func processWheel(event: NSEvent) { + if !mouseEnabled() { return } + lock.withLock { + guard let input = input else { return } + let modifiers = event.modifierFlags + let precise = event.hasPreciseScrollingDeltas + var deltaX = event.deltaX * 0.1 + var deltaY = event.deltaY * 0.1 + + if !precise { + deltaX = modifiers.contains(.shift) ? event.scrollingDeltaY : event.scrollingDeltaX + deltaY = modifiers.contains(.shift) ? event.scrollingDeltaX : event.scrollingDeltaY + } + + var key = deltaY > 0 ? SWIFT_WHEEL_UP : SWIFT_WHEEL_DOWN + var delta = Double(deltaY) + if abs(deltaX) > abs(deltaY) { + key = deltaX > 0 ? SWIFT_WHEEL_LEFT : SWIFT_WHEEL_RIGHT + delta = Double(deltaX) + } + + mp_input_put_wheel(input, key | mapModifier(modifiers), precise ? abs(delta) : 1) + } + } + + func draggable(at pos: NSPoint) -> Bool { + lock.withLock { + guard let input = input else { return false } + return !mp_input_test_dragging(input, Int32(pos.x), Int32(pos.y)) + } + } + + func mouseEnabled() -> Bool { + lock.withLock { + guard let input = input else { return true } + return mp_input_mouse_enabled(input) + } + } + + func setMouse(position: NSPoint) { + if !mouseEnabled() { return } + lock.withLock { + guard let input = input else { return } + mp_input_set_mouse_pos(input, Int32(position.x), Int32(position.y)) + } + } + + @discardableResult @objc func command(_ cmd: String) -> Bool { + lock.withLock { + guard let input = input else { return false } + let cCmd = UnsafePointer<Int8>(strdup(cmd)) + let mpvCmd = mp_input_parse_cmd(input, bstr0(cCmd), "") + mp_input_queue_cmd(input, mpvCmd) + free(UnsafeMutablePointer(mutating: cCmd)) + return true + } + } + + private func mapType(_ type: NSEvent.EventType) -> Int32 { + let typeMapping: [NSEvent.EventType: UInt32] = [ + .keyDown: MP_KEY_STATE_DOWN, + .keyUp: MP_KEY_STATE_UP, + .leftMouseDown: MP_KEY_STATE_DOWN, + .leftMouseUp: MP_KEY_STATE_UP, + .rightMouseDown: MP_KEY_STATE_DOWN, + .rightMouseUp: MP_KEY_STATE_UP, + .otherMouseDown: MP_KEY_STATE_DOWN, + .otherMouseUp: MP_KEY_STATE_UP + ] + + return Int32(typeMapping[type] ?? 0) + } + + private func mapModifier(_ modifiers: NSEvent.ModifierFlags) -> Int32 { + var mask: UInt32 = 0 + + if modifiers.contains(.shift) { + mask |= MP_KEY_MODIFIER_SHIFT + } + if modifiers.contains(.control) { + mask |= MP_KEY_MODIFIER_CTRL + } + if modifiers.contains(.command) { + mask |= MP_KEY_MODIFIER_META + } + if modifiers.contains(.optionLeft) || modifiers.contains(.optionRight) && !useAltGr() { + mask |= MP_KEY_MODIFIER_ALT + } + + return Int32(mask) + } + + private func map(button: Int) -> Int32 { + let buttonMapping: [Int: Int32] = [ + 0: SWIFT_MBTN_LEFT, + 1: SWIFT_MBTN_RIGHT, + 2: SWIFT_MBTN_MID, + 3: SWIFT_MBTN_FORWARD, + 4: SWIFT_MBTN_BACK + ] + + return Int32(buttonMapping[button] ?? SWIFT_MBTN9 + Int32(button - 5)) + } + + func mapDeadKey(_ event: NSEvent) -> String { + let keyboard = TISCopyCurrentKeyboardInputSource().takeRetainedValue() + let layoutPtr = TISGetInputSourceProperty(keyboard, kTISPropertyUnicodeKeyLayoutData) + let layoutData = unsafeBitCast(layoutPtr, to: CFData.self) + let layout = unsafeBitCast(CFDataGetBytePtr(layoutData), to: UnsafePointer<UCKeyboardLayout>.self) + let maxLength = 2 + let modifiers: UInt32 = UInt32(event.modifierFlags.rawValue >> 16) & 0xff + var deadKeyState: UInt32 = 0 + var length = 0 + var chars = [UniChar](repeating: 0, count: maxLength) + let err = UCKeyTranslate(layout, event.keyCode, UInt16(kUCKeyActionDisplay), modifiers, + UInt32(LMGetKbdType()), 0, &deadKeyState, maxLength, &length, &chars) + + if err != noErr || length < 1 { return "" } + return String(utf16CodeUnits: chars, count: length) + } + + @objc func open(files: [String], append: Bool = false) { + lock.withLock { + guard let input = input else { return } + if (option?.vo.drag_and_drop ?? -1) == -2 { return } + + var action = DND_APPEND + if !append { + action = NSEvent.modifierFlags.contains(.shift) ? DND_APPEND : DND_REPLACE + if (option?.vo.drag_and_drop ?? -1) >= 0 { + action = mp_dnd_action(UInt32(option?.vo.drag_and_drop ?? Int32(DND_REPLACE.rawValue))) + } + } + + let filesClean = files.map { $0.hasPrefix("file:///.file/id=") ? (URL(string: $0)?.path ?? $0) : $0 } + var filesPtr = filesClean.map { UnsafeMutablePointer<CChar>(strdup($0)) } + mp_event_drop_files(input, Int32(files.count), &filesPtr, action) + for charPtr in filesPtr { free(UnsafeMutablePointer(mutating: charPtr)) } + } + } + + private func useAltGr() -> Bool { + guard let input = input else { return false } + return mp_input_use_alt_gr(input) + } + + @objc func wakeup() { + lock.withLock { + guard let input = input else { return } + mp_input_wakeup(input) + } + } + + func signal(input: OpaquePointer? = nil) { + lock.withLock { + self.input = input + if input != nil { lock.signal() } + } + } + + @objc func wait() { + lock.withLock { while input == nil { lock.wait() } } + } +} |