-
Notifications
You must be signed in to change notification settings - Fork 1
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
8 changed files
with
373 additions
and
198 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| import Cocoa | ||
|
|
||
| struct EventMapping: Codable { | ||
| enum Replacement: Codable { | ||
| case wheel | ||
| case keys(codeA: CGKeyCode, codeB: CGKeyCode) | ||
| } | ||
|
|
||
| var replaceWith: Replacement? | ||
| var flags: CGEventFlags | ||
| var sensivity: Double | ||
|
|
||
| func canTap(_ event: CGEvent) -> Bool { event.subType == .magnification } | ||
|
|
||
| private static var remainder: Double = 0 // subpixel residue of sent (integer) scroll events | ||
|
|
||
| func tap(_ event: CGEvent, proxy: CGEventTapProxy) -> Unmanaged<CGEvent>? { | ||
| assert(event.subType == .magnification) | ||
|
|
||
| // when event is not to be replaced, just apply flags and sensivity: | ||
| guard let replacement = replaceWith else { | ||
| event.flags = flags | ||
| event.magnification *= sensivity | ||
| return .passUnretained(event) | ||
| } | ||
|
|
||
| if event.phase == .began { | ||
| Self.remainder = 0 | ||
| } | ||
|
|
||
| let magnification = sensivity * event.magnification + Self.remainder | ||
| let steps = round(magnification) | ||
| Self.remainder = magnification - steps | ||
|
|
||
| guard steps != 0 else { return nil } | ||
|
|
||
| switch replacement { | ||
| case .wheel: | ||
| let event = CGEvent(scrollWheelEvent2Source: nil, units: .pixel, | ||
| wheelCount: 1, wheel1: Int32(steps), wheel2: 0, wheel3: 0)! | ||
| event.flags = flags | ||
| return .passRetained(event) | ||
| case .keys(let codeA, let codeB): | ||
| let code = steps < 0 ? codeA : codeB | ||
| sendKey(code, down: true, proxy: proxy) | ||
| sendKey(code, down: false, proxy: proxy) | ||
| return nil | ||
| } | ||
| } | ||
|
|
||
| private func sendKey(_ code: CGKeyCode, down: Bool, proxy: CGEventTapProxy) { | ||
| let event = CGEvent(keyboardEventSource: nil, virtualKey: code, keyDown: down)! | ||
| event.flags = flags | ||
| event.tapPostEvent(proxy) | ||
| } | ||
| } | ||
|
|
||
| extension EventMapping { | ||
| static func pinchToPinch(flags: CGEventFlags = .maskNoFlags, sensivity: Double = 1) -> Self { | ||
| Self(replaceWith: nil, flags: flags, sensivity: sensivity) | ||
| } | ||
|
|
||
| static func pinchToWheel(flags: CGEventFlags = .maskCommand, sensivity: Double = 200) -> Self { | ||
| Self(replaceWith: .wheel, flags: flags, sensivity: sensivity) | ||
| } | ||
|
|
||
| static func pinchToKeys(flags: CGEventFlags = .maskCommand, sensivity: Double = 5, | ||
| codeA: CGKeyCode = 44, codeB: CGKeyCode = 30) -> Self { | ||
| Self(replaceWith: .keys(codeA: codeA, codeB: codeB), flags: flags, sensivity: sensivity) | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.