130 lines
4.4 KiB
Swift
130 lines
4.4 KiB
Swift
//
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// AnyView+.swift
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// Adwaita
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//
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// Created by david-swift on 01.08.24.
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//
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import CAdw
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import Foundation
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extension AnyView {
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/// Run a function when the view gets an update.
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/// - Parameter onUpdate: The function.
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/// - Returns: A view.
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public func onUpdate(_ onUpdate: @escaping () -> Void) -> AnyView {
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inspect { _, _ in onUpdate() }
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}
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/// Make the view insensitive (useful e.g. in overlays).
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/// - Parameter insensitive: Whether the view is insensitive.
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/// - Returns: A view.
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public func insensitive(_ insensitive: Bool = true) -> AnyView {
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inspect { storage, updateProperties in
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if updateProperties {
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gtk_widget_set_sensitive(storage.opaquePointer?.cast(), insensitive ? 0 : 1)
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}
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}
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}
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/// Set the view's visibility.
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/// - Parameter visible: Whether the view is visible.
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/// - Returns: A view.
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public func visible(_ visible: Bool = true) -> AnyView {
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inspect { storage, updateProperties in
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if updateProperties {
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gtk_widget_set_visible(storage.opaquePointer?.cast(), visible.cBool)
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}
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}
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}
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/// Bind to the view's focus.
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/// - Parameter focus: Whether the view is focused.
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/// - Returns: A view.
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public func focused(_ focused: Binding<Bool>) -> AnyView {
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let focus = "focus"
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return inspectOnAppear { storage in
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let controller = gtk_event_controller_focus_new()
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storage.content[focus] = [.init(controller)]
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gtk_widget_add_controller(storage.opaquePointer?.cast(), controller)
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}
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.inspect { storage, _ in
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guard let controller = storage.content[focus]?.first else {
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return
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}
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controller.notify(name: "contains-focus", id: "focused") {
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let newValue = gtk_event_controller_focus_contains_focus(controller.opaquePointer) != 0
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if focused.wrappedValue != newValue {
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focused.wrappedValue = newValue
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}
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}
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if gtk_event_controller_focus_contains_focus(controller.opaquePointer) == 0, focused.wrappedValue {
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gtk_widget_grab_focus(storage.opaquePointer?.cast())
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}
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}
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}
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/// Bind a signal that focuses the view.
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/// - Parameter focus: Whether the view is focused.
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/// - Returns: A view.
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public func focus(_ signal: Signal) -> AnyView {
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inspect { storage, _ in
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if signal.update {
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gtk_widget_grab_focus(storage.opaquePointer?.cast())
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}
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}
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}
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/// Add a tooltip to the widget.
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/// - Parameter tooltip: The tooltip text.
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/// - Returns: A view.
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public func tooltip(_ tooltip: String) -> AnyView {
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inspect { storage, updateProperties in
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if updateProperties {
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gtk_widget_set_tooltip_markup(storage.opaquePointer?.cast(), tooltip)
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}
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}
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}
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/// Run a function when the view appears for the first time.
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/// - Parameter closure: The function.
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/// - Returns: A view.
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public func onAppear(_ closure: @escaping () -> Void) -> AnyView {
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inspectOnAppear { _ in closure() }
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}
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/// Run a function when the widget gets clicked.
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/// - Parameter handler: The function.
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/// - Returns: A view.
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public func onClick(handler: @escaping () -> Void) -> AnyView {
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inspectOnAppear { storage in
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let controller = ViewStorage(gtk_gesture_click_new())
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gtk_widget_add_controller(storage.opaquePointer?.cast(), controller.opaquePointer)
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storage.fields["controller"] = controller
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let argCount = 3
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controller.connectSignal(name: "released", argCount: argCount, handler: handler)
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}
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}
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/// Add CSS classes to the app as soon as the view appears.
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/// - Parameter getString: Get the CSS.
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/// - Returns: A view.
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public func css(_ getString: @escaping () -> String) -> AnyView {
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inspectOnAppear { _ in
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let provider = gtk_css_provider_new()
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gtk_css_provider_load_from_string(
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provider,
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getString()
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)
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let display = gdk_display_get_default()
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gtk_style_context_add_provider_for_display(
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display,
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provider?.opaque(),
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.init(GTK_STYLE_PROVIDER_PRIORITY_APPLICATION)
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)
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}
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}
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}
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