101 lines
4.2 KiB
Swift
101 lines
4.2 KiB
Swift
import AppKit
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import SwiftUI
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/// 主窗口。应用默认只在菜单栏运行，窗口开着也不占程序坞；设置里打开“在程序坞显示图标”后才出现在程序坞与 ⌘Tab 中
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@MainActor
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final class MainWindowController: NSObject, NSWindowDelegate {
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private let model: AppModel
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private var window: NSWindow?
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var onVisibilityChange: ((Bool) -> Void)?
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init(model: AppModel) {
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self.model = model
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super.init()
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}
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var isVisible: Bool { window?.isVisible == true }
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/// 登录窗口等系统面板挂靠用
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var nsWindow: NSWindow? { window }
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func close() {
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window?.performClose(nil)
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}
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func show(tab: PanelTab?) {
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if let tab { model.settings.panelTab = tab }
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let window = self.window ?? makeWindow()
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self.window = window
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if !window.isVisible {
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window.setFrame(initialFrame(for: window), display: false)
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}
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NSApp.activate()
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window.makeKeyAndOrderFront(nil)
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model.isMainWindowVisible = true
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onVisibilityChange?(true)
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}
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private func makeWindow() -> NSWindow {
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let width = DS.Size.sidebarWidth + DS.Size.panelWidth
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let window = NSWindow(contentRect: NSRect(x: 0, y: 0, width: DS.Size.sidebarWidth + DS.Size.windowDefaultContentWidth,
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height: DS.Size.panelMinHeight * 2),
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styleMask: [.titled, .closable, .miniaturizable, .resizable, .fullSizeContentView],
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backing: .buffered,
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defer: false)
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window.title = "OpenStats"
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WindowChrome.apply(to: window)
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window.isReleasedWhenClosed = false
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window.delegate = self
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window.contentMinSize = NSSize(width: width, height: DS.Size.panelMinHeight * 1.5)
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// 默认尺寸调大后换一个保存名，旧的小窗口尺寸不再沿用
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window.setFrameAutosaveName("OpenStatsMainWindow.v2")
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window.contentView = NSHostingView(rootView: MainWindowView().environment(model))
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return window
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}
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/// 首次打开时按仪表盘内容高度确定窗口大小，之后沿用用户调整过的尺寸
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private func initialFrame(for window: NSWindow) -> NSRect {
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let visible = (window.screen ?? NSScreen.main)?.visibleFrame ?? .zero
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if window.frame.height > DS.Size.panelMinHeight * 2, visible.intersects(window.frame) {
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return window.frame
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}
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let measuring = NSHostingView(rootView: MainWindowView().environment(model).environment(\.isSnapshot, true))
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let height = min(measuring.fittingSize.height, visible.height - DS.Space.s12)
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// 至少 720pt 高（屏幕放得下时），页面较短也不会开成一个小窗口
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let size = NSSize(width: min(window.frame.width, visible.width - DS.Space.s12),
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height: min(max(height, DS.Size.windowDefaultHeight), visible.height - DS.Space.s12))
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return NSRect(x: visible.midX - size.width / 2, y: visible.midY - size.height / 2,
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width: size.width, height: size.height)
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}
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func windowWillClose(_ notification: Notification) {
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model.isMainWindowVisible = false
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onVisibilityChange?(false)
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}
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func windowDidMiniaturize(_ notification: Notification) {
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model.isMainWindowVisible = false
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}
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func windowDidDeminiaturize(_ notification: Notification) {
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model.isMainWindowVisible = true
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}
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}
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/// OpenStats 窗口的统一外观：透明标题栏，内容铺满整个窗口，底色与页面一致
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@MainActor
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enum WindowChrome {
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static func apply(to window: NSWindow) {
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window.styleMask.insert(.fullSizeContentView)
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window.titleVisibility = .hidden
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window.titlebarAppearsTransparent = true
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window.titlebarSeparatorStyle = .none
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window.backgroundColor = .dsBackground
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// 空的标准工具栏让标题栏与顶栏同高（52pt），红绿灯按钮与页面标题、右上角按钮对齐
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let toolbar = NSToolbar(identifier: "OpenStats.\(window.title)")
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toolbar.showsBaselineSeparator = false
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window.toolbar = toolbar
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window.toolbarStyle = .unified
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}
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}
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