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57 changes: 57 additions & 0 deletions
57
Sources/CodeEditTextView/TextView/TextView+FirstResponder.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // | ||
| // TextView+FirstResponder.swift | ||
| // CodeEditTextView | ||
| // | ||
| // Created by Khan Winter on 6/15/24. | ||
| // | ||
|
|
||
| import AppKit | ||
|
|
||
| extension TextView { | ||
| open override func becomeFirstResponder() -> Bool { | ||
| isFirstResponder = true | ||
| selectionManager.cursorTimer.resetTimer() | ||
| needsDisplay = true | ||
| return super.becomeFirstResponder() | ||
| } | ||
|
|
||
| open override func resignFirstResponder() -> Bool { | ||
| isFirstResponder = false | ||
| selectionManager.removeCursors() | ||
| needsDisplay = true | ||
| return super.resignFirstResponder() | ||
| } | ||
|
|
||
| open override var canBecomeKeyView: Bool { | ||
| super.canBecomeKeyView && acceptsFirstResponder && !isHiddenOrHasHiddenAncestor | ||
| } | ||
|
|
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| /// Sent to the window's first responder when `NSWindow.makeKey()` occurs. | ||
| @objc private func becomeKeyWindow() { | ||
| _ = becomeFirstResponder() | ||
| } | ||
|
|
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| /// Sent to the window's first responder when `NSWindow.resignKey()` occurs. | ||
| @objc private func resignKeyWindow() { | ||
| _ = resignFirstResponder() | ||
| } | ||
|
|
||
| open override var needsPanelToBecomeKey: Bool { | ||
| isSelectable || isEditable | ||
| } | ||
|
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| open override var acceptsFirstResponder: Bool { | ||
| isSelectable | ||
| } | ||
|
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| open override func acceptsFirstMouse(for event: NSEvent?) -> Bool { | ||
| return true | ||
| } | ||
|
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| open override func resetCursorRects() { | ||
| super.resetCursorRects() | ||
| if isSelectable { | ||
| addCursorRect(visibleRect, cursor: .iBeam) | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| // | ||
| // TextView+KeyDown.swift | ||
| // CodeEditTextView | ||
| // | ||
| // Created by Khan Winter on 6/15/24. | ||
| // | ||
|
|
||
| import AppKit | ||
| import Carbon.HIToolbox | ||
|
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| extension TextView { | ||
| override public func keyDown(with event: NSEvent) { | ||
| guard isEditable else { | ||
| super.keyDown(with: event) | ||
| return | ||
| } | ||
|
|
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| NSCursor.setHiddenUntilMouseMoves(true) | ||
|
|
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| if !(inputContext?.handleEvent(event) ?? false) { | ||
| interpretKeyEvents([event]) | ||
| } else { | ||
| // Not handled, ignore so we don't double trigger events. | ||
| return | ||
| } | ||
| } | ||
|
|
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| override public func performKeyEquivalent(with event: NSEvent) -> Bool { | ||
| guard isEditable else { | ||
| return super.performKeyEquivalent(with: event) | ||
| } | ||
|
|
||
| switch Int(event.keyCode) { | ||
| case kVK_PageUp: | ||
| if !event.modifierFlags.contains(.shift) { | ||
| self.pageUp(event) | ||
| return true | ||
| } | ||
| case kVK_PageDown: | ||
| if !event.modifierFlags.contains(.shift) { | ||
| self.pageDown(event) | ||
| return true | ||
| } | ||
| default: | ||
| return false | ||
| } | ||
|
|
||
| return false | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // | ||
| // TextView+Layout.swift | ||
| // CodeEditTextView | ||
| // | ||
| // Created by Khan Winter on 6/15/24. | ||
| // | ||
|
|
||
| import Foundation | ||
|
|
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| extension TextView { | ||
| open override class var isCompatibleWithResponsiveScrolling: Bool { | ||
| true | ||
| } | ||
|
|
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| open override func prepareContent(in rect: NSRect) { | ||
| needsLayout = true | ||
| super.prepareContent(in: rect) | ||
| } | ||
|
|
||
| override public func draw(_ dirtyRect: NSRect) { | ||
| super.draw(dirtyRect) | ||
| if isSelectable { | ||
| selectionManager.drawSelections(in: dirtyRect) | ||
| } | ||
| } | ||
|
|
||
| override open var isFlipped: Bool { | ||
| true | ||
| } | ||
|
|
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| override public var visibleRect: NSRect { | ||
| if let scrollView { | ||
| var rect = scrollView.documentVisibleRect | ||
| rect.origin.y += scrollView.contentInsets.top | ||
| return rect.pixelAligned | ||
| } else { | ||
| return super.visibleRect | ||
| } | ||
| } | ||
|
|
||
| public var visibleTextRange: NSRange? { | ||
| let minY = max(visibleRect.minY, 0) | ||
| let maxY = min(visibleRect.maxY, layoutManager.estimatedHeight()) | ||
| guard let minYLine = layoutManager.textLineForPosition(minY), | ||
| let maxYLine = layoutManager.textLineForPosition(maxY) else { | ||
| return nil | ||
| } | ||
| return NSRange( | ||
| location: minYLine.range.location, | ||
| length: (maxYLine.range.location - minYLine.range.location) + maxYLine.range.length | ||
| ) | ||
| } | ||
|
|
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| public func updatedViewport(_ newRect: CGRect) { | ||
| if !updateFrameIfNeeded() { | ||
| layoutManager.layoutLines() | ||
| } | ||
| inputContext?.invalidateCharacterCoordinates() | ||
| } | ||
|
|
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| @discardableResult | ||
| public func updateFrameIfNeeded() -> Bool { | ||
| var availableSize = scrollView?.contentSize ?? .zero | ||
| availableSize.height -= (scrollView?.contentInsets.top ?? 0) + (scrollView?.contentInsets.bottom ?? 0) | ||
| let newHeight = max(layoutManager.estimatedHeight(), availableSize.height) | ||
| let newWidth = layoutManager.estimatedWidth() | ||
|
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| var didUpdate = false | ||
|
|
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| if newHeight >= availableSize.height && frame.size.height != newHeight { | ||
| frame.size.height = newHeight | ||
| // No need to update layout after height adjustment | ||
| } | ||
|
|
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| if wrapLines && frame.size.width != availableSize.width { | ||
| frame.size.width = availableSize.width | ||
| didUpdate = true | ||
| } else if !wrapLines && frame.size.width != max(newWidth, availableSize.width) { | ||
| frame.size.width = max(newWidth, availableSize.width) | ||
| didUpdate = true | ||
| } | ||
|
|
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| if didUpdate { | ||
| needsLayout = true | ||
| needsDisplay = true | ||
| layoutManager.layoutLines() | ||
| } | ||
|
|
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| if isSelectable { | ||
| selectionManager?.updateSelectionViews() | ||
| } | ||
|
|
||
| return didUpdate | ||
| } | ||
| } |
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