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macos: terminal surface view

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This commit is contained in:
Mitchell Hashimoto
2023-02-17 10:42:22 -08:00
parent c68f8082df
commit 6ceb5b847b
3 changed files with 64 additions and 1 deletions
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4
macos/Ghostty.xcodeproj/project.pbxproj
View File

@ -7,6 +7,7 @@
objects = {
/* Begin PBXBuildFile section */
A507573E299FF33C009D7DC7 /* TerminalSurfaceView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A507573D299FF33C009D7DC7 /* TerminalSurfaceView.swift */; };
A535B9DA299C569B0017E2E4 /* ErrorView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A535B9D9299C569B0017E2E4 /* ErrorView.swift */; };
A5B30535299BEAAA0047F10C /* GhosttyApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = A5B30534299BEAAA0047F10C /* GhosttyApp.swift */; };
A5B30537299BEAAA0047F10C /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A5B30536299BEAAA0047F10C /* ContentView.swift */; };
@ -15,6 +16,7 @@
/* End PBXBuildFile section */
/* Begin PBXFileReference section */
A507573D299FF33C009D7DC7 /* TerminalSurfaceView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TerminalSurfaceView.swift; sourceTree = "<group>"; };
A535B9D9299C569B0017E2E4 /* ErrorView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ErrorView.swift; sourceTree = "<group>"; };
A5B30531299BEAAA0047F10C /* Ghostty.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Ghostty.app; sourceTree = BUILT_PRODUCTS_DIR; };
A5B30534299BEAAA0047F10C /* GhosttyApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GhosttyApp.swift; sourceTree = "<group>"; };
@ -43,6 +45,7 @@
A5B30534299BEAAA0047F10C /* GhosttyApp.swift */,
A5B30536299BEAAA0047F10C /* ContentView.swift */,
A535B9D9299C569B0017E2E4 /* ErrorView.swift */,
A507573D299FF33C009D7DC7 /* TerminalSurfaceView.swift */,
);
path = Sources;
sourceTree = "<group>";
@ -150,6 +153,7 @@
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
A507573E299FF33C009D7DC7 /* TerminalSurfaceView.swift in Sources */,
A5B30537299BEAAA0047F10C /* ContentView.swift in Sources */,
A535B9DA299C569B0017E2E4 /* ErrorView.swift in Sources */,
A5B30535299BEAAA0047F10C /* GhosttyApp.swift in Sources */,

2
macos/Sources/GhosttyApp.swift
View File

@ -20,7 +20,7 @@ struct GhosttyApp: App {
case .error:
ErrorView()
case .ready:
ContentView()
TerminalSurfaceView()
}
}
}

59
macos/Sources/TerminalSurfaceView.swift Normal file
View File

@ -0,0 +1,59 @@
import SwiftUI
/// A surface is terminology in Ghostty for a terminal surface, or a place where a terminal is actually drawn
/// and interacted with. The word "surface" is used because a surface may represent a window, a tab,
/// a split, a small preview pane, etc. It is ANYTHING that has a terminal drawn to it.
///
/// We just wrap an AppKit NSView here at the moment so that we can behave as low level as possible
/// since that is what the Metal renderer in Ghostty expects. In the future, it may make more sense to
/// wrap an MTKView and use that, but for legacy reasons we didn't do that to begin with.
struct TerminalSurfaceView: NSViewRepresentable {
@StateObject private var state = TerminalSurfaceState()
func makeNSView(context: Context) -> TerminalSurfaceView_Real {
// We need the view as part of the state to be created previously because
// the view is sent to the Ghostty API so that it can manipulate it
// directly since we draw on a render thread.
return state.view;
}
func updateNSView(_ view: TerminalSurfaceView_Real, context: Context) {
// Nothing we need to do here.
}
}
/// The state for the terminal surface view.
class TerminalSurfaceState: ObservableObject {
var view: TerminalSurfaceView_Real;
init() {
view = TerminalSurfaceView_Real()
}
}
// The actual NSView implementation for the terminal surface.
class TerminalSurfaceView_Real: NSView {
// We need to support being a first responder so that we can get input events
override var acceptsFirstResponder: Bool { return true }
override func draw(_ dirtyRect: NSRect) {
print("DRAW: \(dirtyRect)")
NSColor.green.setFill()
dirtyRect.fill()
super.draw(dirtyRect)
}
override func mouseDown(with event: NSEvent) {
print("Mouse down: \(event)")
}
override func keyDown(with event: NSEvent) {
print("Key down: \(event)")
}
}
struct TerminalSurfaceView_Previews: PreviewProvider {
static var previews: some View {
TerminalSurfaceView()
}
}