104 lines
2.9 KiB
Swift
104 lines
2.9 KiB
Swift
// Copyright 2020 Tokamak contributors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import CGTK
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import TokamakCore
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extension List: GTKPrimitive {
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@ViewBuilder
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func iterateAsRow(_ content: [AnyView]) -> some View {
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ForEach(Array(content.enumerated()), id: \.offset) { _, row in
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if let parentView = mapAnyView(row, transform: { (view: ParentView) in view }) {
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AnyView(iterateAsRow(parentView.children))
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} else {
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WidgetView(build: { _ in
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gtk_list_box_row_new()
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}) {
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row
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}
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}
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}
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}
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@_spi(TokamakCore)
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public var renderedBody: AnyView {
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let proxy = _ListProxy(self)
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return AnyView(ScrollView {
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WidgetView(build: { _ in
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gtk_list_box_new()
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}) {
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if let content = proxy.content as? ParentView {
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iterateAsRow(content.children)
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} else {
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WidgetView(build: { _ in
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gtk_list_box_row_new()
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}) {
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proxy.content
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}
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}
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}
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}.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity))
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}
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}
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extension PlainListStyle: ListStyleDeferredToRenderer {
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public func sectionHeader<Header>(_ header: Header) -> AnyView where Header: View {
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AnyView(
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header
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.font(.system(size: 17, weight: .medium))
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.padding(.vertical, 4)
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.padding(.leading)
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.background(Color.listSectionHeader)
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.frame(minWidth: 0, maxWidth: .infinity)
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)
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}
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public func sectionFooter<Footer>(_ footer: Footer) -> AnyView where Footer: View {
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AnyView(
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VStack(alignment: .leading) {
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Divider()
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_ListRow.listRow(footer, self, isLast: true)
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}
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.padding(.leading)
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.frame(minWidth: 0, maxWidth: .infinity)
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)
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}
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public func sectionBody<SectionBody>(_ section: SectionBody) -> AnyView where SectionBody: View {
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// AnyView(section.padding(.leading).frame(minWidth: 0, maxWidth: .infinity))
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AnyView(section)
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}
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public func listRow<Row>(_ row: Row) -> AnyView where Row: View {
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// AnyView(row.padding(.vertical))
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AnyView(
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WidgetView(build: { _ in
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gtk_list_box_row_new()
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}) {
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row
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}
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)
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}
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public func listBody<ListBody>(_ content: ListBody) -> AnyView where ListBody: View {
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AnyView(
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WidgetView(build: { _ in
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gtk_list_box_new()
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}) {
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content
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}
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)
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}
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}
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