taler-ios

iOS apps for GNU Taler (wallet)
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commit f7ea0aab29fcf2e1f165ad0c747a6053ca12fb1c
parent 9e9d62eadec10a06001f8b8db126e1e3a1f578d4
Author: Marc Stibane <marc@taler.net>
Date:   Mon, 17 Feb 2025 08:34:05 +0100

TabBar, EdgeInsets

Diffstat:
MTalerWallet.xcodeproj/project.pbxproj | 12++++++++++++
ATalerWallet1/Views/ViewModifier/Environment+EdgeInsets.swift | 47+++++++++++++++++++++++++++++++++++++++++++++++
ATalerWallet1/Views/ViewModifier/View+TabBar.swift | 116+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 175 insertions(+), 0 deletions(-)

diff --git a/TalerWallet.xcodeproj/project.pbxproj b/TalerWallet.xcodeproj/project.pbxproj @@ -185,6 +185,8 @@ 4E77976F2C4BEA4E005D6ECB /* BalanceCellV.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E77976E2C4BEA4E005D6ECB /* BalanceCellV.swift */; }; 4E7797702C4BEA4E005D6ECB /* BalanceCellV.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E77976E2C4BEA4E005D6ECB /* BalanceCellV.swift */; }; 4E7940DE29FC307C00A9AEA1 /* P2PSubjectV.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E7940DD29FC307C00A9AEA1 /* P2PSubjectV.swift */; }; + 4E7F85172D63185E00954C30 /* Environment+EdgeInsets.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E7F85162D63185E00954C30 /* Environment+EdgeInsets.swift */; }; + 4E7F85182D63185E00954C30 /* Environment+EdgeInsets.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E7F85162D63185E00954C30 /* Environment+EdgeInsets.swift */; }; 4E847B7F2C9030E0003A164E /* TabBarView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E847B7E2C9030E0003A164E /* TabBarView.swift */; }; 4E847B802C9030E0003A164E /* TabBarView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E847B7E2C9030E0003A164E /* TabBarView.swift */; }; 4E847B822C9065FD003A164E /* ScopePicker.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4E847B812C9065FD003A164E /* ScopePicker.swift */; }; @@ -264,6 +266,8 @@ 4EB0956E2989CBFE0043A8A1 /* Model+Pending.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EB0954C2989CBFE0043A8A1 /* Model+Pending.swift */; }; 4EB230882D5E0FEC007CFBC4 /* View+DeviceRotation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EB230872D5E0FEC007CFBC4 /* View+DeviceRotation.swift */; }; 4EB230892D5E0FEC007CFBC4 /* View+DeviceRotation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EB230872D5E0FEC007CFBC4 /* View+DeviceRotation.swift */; }; + 4EB2308B2D607617007CFBC4 /* View+TabBar.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EB2308A2D607617007CFBC4 /* View+TabBar.swift */; }; + 4EB2308C2D607617007CFBC4 /* View+TabBar.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EB2308A2D607617007CFBC4 /* View+TabBar.swift */; }; 4EB3136129FEE79B007D68BC /* P2PReadyV.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EB3136029FEE79B007D68BC /* P2PReadyV.swift */; }; 4EB431672A1E55C700C5690E /* ManualWithdrawDone.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EB431662A1E55C700C5690E /* ManualWithdrawDone.swift */; }; 4EBA563F2A7FD9390084948B /* SuperScriptDigits.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4EBA563E2A7FD9390084948B /* SuperScriptDigits.swift */; }; @@ -428,6 +432,7 @@ 4E77976E2C4BEA4E005D6ECB /* BalanceCellV.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BalanceCellV.swift; sourceTree = "<group>"; }; 4E7940DD29FC307C00A9AEA1 /* P2PSubjectV.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = P2PSubjectV.swift; sourceTree = "<group>"; }; 4E7CFD372A532CE100CBAFF3 /* WhatToTest.en-US.txt */ = {isa = PBXFileReference; lastKnownFileType = text; path = "WhatToTest.en-US.txt"; sourceTree = "<group>"; }; + 4E7F85162D63185E00954C30 /* Environment+EdgeInsets.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Environment+EdgeInsets.swift"; sourceTree = "<group>"; }; 4E847B7E2C9030E0003A164E /* TabBarView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TabBarView.swift; sourceTree = "<group>"; }; 4E847B812C9065FD003A164E /* ScopePicker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScopePicker.swift; sourceTree = "<group>"; }; 4E87C8722A31CB7F001C6406 /* TransactionsEmptyView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TransactionsEmptyView.swift; sourceTree = "<group>"; }; @@ -497,6 +502,7 @@ 4EB0954A2989CBFE0043A8A1 /* LoadingView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LoadingView.swift; sourceTree = "<group>"; }; 4EB0954C2989CBFE0043A8A1 /* Model+Pending.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "Model+Pending.swift"; sourceTree = "<group>"; }; 4EB230872D5E0FEC007CFBC4 /* View+DeviceRotation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "View+DeviceRotation.swift"; sourceTree = "<group>"; }; + 4EB2308A2D607617007CFBC4 /* View+TabBar.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "View+TabBar.swift"; sourceTree = "<group>"; }; 4EB3136029FEE79B007D68BC /* P2PReadyV.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = P2PReadyV.swift; sourceTree = "<group>"; }; 4EB431662A1E55C700C5690E /* ManualWithdrawDone.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ManualWithdrawDone.swift; sourceTree = "<group>"; }; 4EBA563E2A7FD9390084948B /* SuperScriptDigits.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SuperScriptDigits.swift; sourceTree = "<group>"; }; @@ -611,6 +617,8 @@ 4EEBEFAF2C8982180020D340 /* View+innerSize.swift */, 4E1A59E02C99C5D700842BBF /* View+Keyboard.swift */, 4E3B4BC62A429F2A00CC88B8 /* View+Notification.swift */, + 4E7F85162D63185E00954C30 /* Environment+EdgeInsets.swift */, + 4EB2308A2D607617007CFBC4 /* View+TabBar.swift */, ); path = ViewModifier; sourceTree = "<group>"; @@ -1263,6 +1271,7 @@ 4E3EAE242A990778009F1BE8 /* QRGeneratorView.swift in Sources */, 4E3EAE252A990778009F1BE8 /* WithdrawAcceptDone.swift in Sources */, 4E3EAE262A990778009F1BE8 /* Transaction.swift in Sources */, + 4EB2308B2D607617007CFBC4 /* View+TabBar.swift in Sources */, 4E8EADA82C64744700C6CDC4 /* QRcodesForPayto.swift in Sources */, 4E605DB72AB05E48002FB9A7 /* View+flippedDirection.swift in Sources */, 4E983C2C2ADC416800FA9CC5 /* View+fitsSideBySide.swift in Sources */, @@ -1353,6 +1362,7 @@ 4E3EAE5C2A990778009F1BE8 /* Model+Pending.swift in Sources */, 4E3EAE5D2A990778009F1BE8 /* ExchangeListView.swift in Sources */, E37AA62E2AF19BE0003850CF /* RefundURIView.swift in Sources */, + 4E7F85172D63185E00954C30 /* Environment+EdgeInsets.swift in Sources */, 4E3EAE5F2A990778009F1BE8 /* QRSheet.swift in Sources */, 4E3EAE602A990778009F1BE8 /* P2pReceiveURIView.swift in Sources */, 4E3EAE612A990778009F1BE8 /* ListStyle.swift in Sources */, @@ -1405,6 +1415,7 @@ 4EEC157329F8242800D46A03 /* QRGeneratorView.swift in Sources */, 4E5A88F72A3B9E5B00072618 /* WithdrawAcceptDone.swift in Sources */, 4EB095222989CBCB0043A8A1 /* Transaction.swift in Sources */, + 4EB2308C2D607617007CFBC4 /* View+TabBar.swift in Sources */, 4E8EADA92C64744700C6CDC4 /* QRcodesForPayto.swift in Sources */, 4E605DB82AB05E48002FB9A7 /* View+flippedDirection.swift in Sources */, 4E983C2D2ADC416800FA9CC5 /* View+fitsSideBySide.swift in Sources */, @@ -1495,6 +1506,7 @@ 4EB0956E2989CBFE0043A8A1 /* Model+Pending.swift in Sources */, 4EB095522989CBFE0043A8A1 /* ExchangeListView.swift in Sources */, E37AA62F2AF19BE0003850CF /* RefundURIView.swift in Sources */, + 4E7F85182D63185E00954C30 /* Environment+EdgeInsets.swift in Sources */, 4EEC157A29F9427F00D46A03 /* QRSheet.swift in Sources */, 4E3B4BC12A41E6C200CC88B8 /* P2pReceiveURIView.swift in Sources */, 4E6EDD872A363D8D0031D520 /* ListStyle.swift in Sources */, diff --git a/TalerWallet1/Views/ViewModifier/Environment+EdgeInsets.swift b/TalerWallet1/Views/ViewModifier/Environment+EdgeInsets.swift @@ -0,0 +1,47 @@ +// MIT License +// Copyright 2021 alexis https://github.com/alexis-ag/swiftui_classic-tabview_show-hide +// +// Permission is hereby granted, free of charge, to any person obtaining a copy of this software +// and associated documentation files (the "Software"), to deal in the Software without restriction, +// including without limitation the rights to use, copy, modify, merge, publish, distribute, +// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all copies or +// substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +// BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// +import SwiftUI + +struct SafeAreaEdgeInsetsKey: EnvironmentKey { + static var defaultValue: EdgeInsets { + let keyWindows = UIApplication.shared.windows.filter { $0.isKeyWindow }.first ?? + UIApplication.shared.windows[0] + + return keyWindows.safeAreaEdgeInsets + } +} + +extension EnvironmentValues { + ///Should only be used once UIApplication is instantiated by the system + var safeAreaEdgeInsets: EdgeInsets { + self[SafeAreaEdgeInsetsKey.self] + } +} + +extension UIEdgeInsets { + var insets: EdgeInsets { + EdgeInsets(top: top, leading: left, bottom: bottom, trailing: right) + } +} + +extension UIWindow { + var safeAreaEdgeInsets: EdgeInsets { + safeAreaInsets.insets + } +} diff --git a/TalerWallet1/Views/ViewModifier/View+TabBar.swift b/TalerWallet1/Views/ViewModifier/View+TabBar.swift @@ -0,0 +1,116 @@ +// MIT License +// Copyright 2021 alexis https://github.com/alexis-ag/swiftui_classic-tabview_show-hide +// +// Permission is hereby granted, free of charge, to any person obtaining a copy of this software +// and associated documentation files (the "Software"), to deal in the Software without restriction, +// including without limitation the rights to use, copy, modify, merge, publish, distribute, +// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all copies or +// substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +// BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +// + +/* + SwiftUI has quite poor TabView, it doesn't allow you to + set any icon size + set default colors for system icons and labels + place more complicated views than simple image + resize image for icon just in time + hide the tab bar when you don't need it + Idea: + place Swiftui TabView + hide it's tab bar forever, but use for storing content + show our own custom tab bar +*/ +import Foundation +import SwiftUI + +extension EnvironmentValues { + ///TabView raw height; does not include bottom safe area. + var tabBarHeight: CGFloat { + get { self[TabBarHeightEnvironmentKey.self] } + set { self[TabBarHeightEnvironmentKey.self] = newValue } + } +} + +struct TabBarHeightEnvironmentKey: EnvironmentKey { + static var defaultValue: CGFloat = 0 +} + + + +extension View { + /// Read TabView height from underlying UITabBarController and keep it in property passed by binding. + /// + /// # Usage + /// ``` + /// @State private var tabViewHeight: CGFloat = 0 + /// TabItem().keepTabViewHeight(in: $tabViewHeight) + /// ``` + func keepTabViewHeight( + in storage: Binding<CGFloat>, + includingSeparator tabViewHeightShouldIncludeSeparator: Bool = true + ) -> some View { + background(TabBarAccessor { tabBar in + let onePixel: CGFloat = 1/3 + let separatorHeight: CGFloat = tabViewHeightShouldIncludeSeparator ? onePixel : 0 + DispatchQueue.main.async { + storage.wrappedValue = tabBar.bounds.height + separatorHeight + } + }) + } +} + +// Helper bridge to UIViewController to access enclosing UITabBarController +// and thus its UITabBar +struct TabBarAccessor: UIViewControllerRepresentable { + var callback: (UITabBar) -> Void + private let proxyController = ViewController() + + func makeUIViewController(context: UIViewControllerRepresentableContext<TabBarAccessor>) -> + UIViewController { + proxyController.callback = callback + return proxyController + } + + func updateUIViewController(_ uiViewController: UIViewController, context: UIViewControllerRepresentableContext<TabBarAccessor>) { + } + + typealias UIViewControllerType = UIViewController + + private class ViewController: UIViewController { + var callback: (UITabBar) -> Void = { _ in } + + override func viewWillAppear(_ animated: Bool) { + super.viewWillAppear(animated) + if let tabBar = self.tabBarController { + self.callback(tabBar.tabBar) + } + } + } +} + +// MARK: - Content +extension View { + var hideTabBar: some View { + modifier(HideTabBarModifier()) + } +} + +struct HideTabBarModifier: ViewModifier { + @Environment(\.safeAreaEdgeInsets) private var safeAreaEdgeInsets + @Environment(\.tabBarHeight) private var tabBarHeight + + func body(content: Content) -> some View { + content + .padding(.bottom, -safeAreaEdgeInsets.bottom - tabBarHeight) + } +} +