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Add universal back and forward support (#14)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| // | ||
| // ScrollWheelEventTap.swift | ||
| // LinearMouse | ||
| // | ||
| // Created by lujjjh on 2021/6/11. | ||
| // | ||
|
|
||
| import Foundation | ||
|
|
||
| class EventTap { | ||
| var eventTap: CFMachPort? | ||
| var runLoopSource: CFRunLoopSource? | ||
|
|
||
| let eventTapCallback: CGEventTapCallBack = { (proxy, type, event, refcon) in | ||
| if let transformed: CGEvent = { | ||
| switch type { | ||
| case .scrollWheel: | ||
| return MouseWheelEvent(event).transformed | ||
| case .otherMouseUp: | ||
| return fixSideButtonsEvent(event) | ||
| default: | ||
| return event | ||
| } | ||
| }() { | ||
| return Unmanaged.passUnretained(transformed) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| init() { | ||
| let eventsOfInterest: CGEventMask = | ||
| 1 << CGEventType.scrollWheel.rawValue | ||
| | 1 << CGEventType.otherMouseUp.rawValue | ||
| eventTap = CGEvent.tapCreate( | ||
| tap: .cghidEventTap, | ||
| place: .tailAppendEventTap, | ||
| options: .defaultTap, | ||
| eventsOfInterest: eventsOfInterest, | ||
| callback: eventTapCallback, | ||
| userInfo: nil | ||
| ) | ||
| runLoopSource = CFMachPortCreateRunLoopSource(kCFAllocatorDefault, eventTap, 0) | ||
| CFRunLoopAddSource(CFRunLoopGetCurrent(), runLoopSource, CFRunLoopMode.commonModes) | ||
| CFRunLoopRun() | ||
| } | ||
|
|
||
| func enable() { | ||
| if let eventTap = eventTap { | ||
| CGEvent.tapEnable(tap: eventTap, enable: true) | ||
| } | ||
| } | ||
|
|
||
| func disable() { | ||
| if let eventTap = eventTap { | ||
| CGEvent.tapEnable(tap: eventTap, enable: false) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| // | ||
| // Touch-Bridging-Header.h | ||
| // LinearMouse | ||
| // | ||
| // Created by lujjjh on 2021/8/5. | ||
| // | ||
|
|
||
| #include "../Touch/TouchSimulate.h" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| // | ||
| // MouseWheelEvent.swift | ||
| // LinearMouse | ||
| // | ||
| // Created by lujjjh on 2021/8/1. | ||
| // | ||
|
|
||
| import Foundation | ||
|
|
||
| class MouseWheelEvent { | ||
| let event: CGEvent | ||
|
|
||
| let defaults = AppDefaults.shared | ||
|
|
||
| var continuous: Bool { | ||
| get { event.getIntegerValueField(.scrollWheelEventIsContinuous) != 0 } | ||
| set { event.setIntegerValueField(.scrollWheelEventIsContinuous, value: newValue ? 1 : 0) } | ||
| } | ||
|
|
||
| var deltaX: Int64 { | ||
| get { event.getIntegerValueField(.scrollWheelEventDeltaAxis2) } | ||
| set { event.setIntegerValueField(.scrollWheelEventDeltaAxis2, value: newValue) } | ||
| } | ||
|
|
||
| var deltaY: Int64 { | ||
| get { event.getIntegerValueField(.scrollWheelEventDeltaAxis1) } | ||
| set { event.setIntegerValueField(.scrollWheelEventDeltaAxis1, value: newValue) } | ||
| } | ||
|
|
||
| init(_ event: CGEvent) { | ||
| self.event = event | ||
| } | ||
|
|
||
| lazy var transformed: CGEvent = { | ||
| guard !continuous else { | ||
| return event | ||
| } | ||
|
|
||
| if defaults.reverseScrollingOn { | ||
| negateDelta() | ||
| } | ||
|
|
||
| if defaults.linearScrollingOn { | ||
| let scrollLines = Int64(defaults.scrollLines) | ||
| deltaX = deltaX.signum() * scrollLines | ||
| deltaY = deltaY.signum() * scrollLines | ||
| } | ||
|
|
||
| modifierActions() | ||
|
|
||
| return event | ||
| }() | ||
|
|
||
| func negateDelta() { | ||
| deltaX = -deltaX | ||
| deltaY = -deltaY | ||
| } | ||
|
|
||
| func modifierActions() { | ||
| let actions: [(CGEventFlags.Element, ModifierKeyAction)] = [ | ||
| (.maskCommand, defaults.modifiersCommandAction), | ||
| (.maskShift, defaults.modifiersShiftAction), | ||
| (.maskAlternate, defaults.modifiersAlternateAction), | ||
| (.maskControl, defaults.modifiersControlAction), | ||
| ] | ||
| for case (let flag, let action) in actions { | ||
| if event.flags.contains(flag) { | ||
| if handleModifierKeyAction(for: event, action: action) { | ||
| event.flags.remove(flag) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func handleModifierKeyAction(for event: CGEvent, action: ModifierKeyAction) -> Bool { | ||
| guard action.type != .noAction else { | ||
| return false | ||
| } | ||
|
|
||
| // fix orientation on Catalina | ||
| // TODO: is there a better way? | ||
| if deltaY == 0 { | ||
| (deltaX, deltaY) = (deltaY, deltaX) | ||
| } | ||
|
|
||
| switch action.type { | ||
| case .noAction: // make the compiler happy | ||
| break | ||
| case .alterOrientation: | ||
| (deltaX, deltaY) = (deltaY, deltaX) | ||
| case .changeSpeed: | ||
| let factor = action.speedFactor | ||
| let scale = { (delta: Int64, factor: Double) in Int64((Double(delta) * factor).rounded()) } | ||
| deltaX = deltaX.signum() * max(1, abs(scale(deltaX, factor))) | ||
| deltaY = deltaY.signum() * max(1, abs(scale(deltaY, factor))) | ||
| } | ||
|
|
||
| return true | ||
| } | ||
| } |
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