Switch to C++20

CMakeLists.txt

@@ -18,7 +18,7 @@ set(
 	CACHE
 	FILEPATH "Default toolchain"
 	)
-set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard")
+set(CMAKE_CXX_STANDARD 20 CACHE STRING "C++ standard")
 set(CMAKE_CXX_STANDARD_REQUIRED ON CACHE BOOL "Require C++ standard to be supported")
 set(CMAKE_POSITION_INDEPENDENT_CODE ON CACHE BOOL "compile as PIC by default")
 set(CMAKE_AUTOMOC ON)
@@ -582,7 +582,7 @@ if(USE_BUNDLED_MTXCLIENT)
 	FetchContent_Declare(
 		MatrixClient
 		GIT_REPOSITORY https://github.com/Nheko-Reborn/mtxclient.git
-		GIT_TAG        251dc12469ecd96d0ec491551589b244f12d6d92
+		GIT_TAG        8dd9214f622fe5f307249b37029c17f1fdff25ab
 		)
 	set(BUILD_LIB_EXAMPLES OFF CACHE INTERNAL "")
 	set(BUILD_LIB_TESTS OFF CACHE INTERNAL "")

README.md

@@ -243,7 +243,7 @@ sharing easier.
     - [libnice](https://gitlab.freedesktop.org/libnice/libnice)
 - XCB, XCB-EWMH: For screensharing support on X11. VOIP needs to be enabled. Can be disabled with `-DSCREENSHARE_X11=OFF`.
 - [qtkeychain](https://github.com/frankosterfeld/qtkeychain) (You need at least version 0.12 for proper Gnome Keychain support. The bundled version requires libsecret, unless you pass `-DLIBSECRET_SUPPORT=OFF`.)
-- A compiler that supports C++ 17:
+- A compiler that supports C++ 20:
     - Clang 6 (tested on Travis CI)
     - GCC 7 (tested on Travis CI)
     - MSVC 19.13 (tested on AppVeyor)
@@ -344,12 +344,11 @@ brew install qt5 lmdb cmake llvm spdlog boost cmark libolm qtkeychain
 
 ##### Windows
 
-1. Install Visual Studio 2017's "Desktop Development" and "Linux Development with C++"
+1. Install Visual Studio 2022's "Desktop Development" and "Linux Development with C++"
 (for the CMake integration) workloads.
 
 2. Download the latest Qt for windows installer and install it somewhere.
-Make sure to install the `MSVC 2017 64-bit` toolset for at least Qt 5.10
+Make sure to install the `MSVC 2022 64-bit` toolset for at least Qt 5.15.
-(lower versions does not support VS2017).
 
 3. If you don't have openssl installed, you will need to install perl to build it (i.e. Strawberry Perl).
 

appveyor.yml

@@ -3,7 +3,7 @@
 version: 0.10.1-{build}
 
 configuration: Release
-image: Visual Studio 2019
+image: Visual Studio 2022
 platform: x64
 
 environment:
@@ -23,9 +23,7 @@ build:
 
 install:
     - set QT_DIR=C:\Qt\5.15\msvc2019_64
-    - set PATH=Path=C:\Program Files (x86)\Microsoft SDKs\Azure\CLI2\wbin;C:\Program Files\Git\cmd;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program Files\PowerShell\7\;C:\Program Files\7-Zip;C:\Program Files\Microsoft\Web Platform Installer\;C:\Tools\NuGet;C:\Tools\PsTools;C:\Program Files\Git\usr\bin;C:\Program Files\Git LFS;C:\Program Files\Mercurial\;C:\Program Files (x86)\Subversion\bin;C:\Program Files\Docker\Docker\resources\bin;C:\ProgramData\DockerDesktop\version-bin;C:\Program Files\dotnet\;C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\IDE\Extensions\Microsoft\SQLDB\DAC\150;C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Current\Bin;C:\Tools\xUnit;C:\Tools\xUnit20;C:\Tools\NUnit\bin;C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\IDE\Extensions\TestPlatform;C:\Ruby193\bin;C:\Tools\WebDriver;C:\Python27;C:\Python27\Scripts;C:\Program Files\erl10.7\bin;C:\Program Files (x86)\Windows Kits\8.1\Windows Performance Toolkit\;C:\Program Files (x86)\Microsoft DirectX SDK;C:\Program Files\Microsoft Service Fabric\bin\Fabric\Fabric.Code;C:\Program Files\Microsoft SDKs\Service Fabric\Tools\ServiceFabricLocalClusterManager;C:\Tools\Doxygen;C:\Program Files (x86)\CMake\bin;C:\ProgramData\chocolatey\bin;C:\Tools\vcpkg;C:\Tools\Coverity\bin;C:\Program Files (x86)\NSIS;C:\Tools\Octopus;C:\Program Files\Meson\;C:\Tools\GitVersion;C:\Tools\NUnit3\bin;C:\Users\appveyor\AppData\Local\Microsoft\WindowsApps;C:\Users\appveyor\.dotnet\tools;C:\Program Files\AppVeyor\BuildAgent\
     - set PATH=C:\Strawberry\perl\bin;C:\Python39-x64;%QT_DIR%\bin;%PATH%
-    - call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat" x64
 
 build_script:
     # VERSION format:     branch-master/branch-1.2
@@ -47,7 +45,7 @@ build_script:
     - echo %DATE%
 
     # Build nheko
-    - cmake -G "Visual Studio 16 2019" -A x64 -H. -Bbuild
+    - cmake -G "Visual Studio 17 2022" -A x64 -H. -Bbuild
       -DHUNTER_ROOT="C:\hunter"
       -DHUNTER_ENABLED=ON -DBUILD_SHARED_LIBS=OFF -DUSE_BUNDLED_OPENSSL=ON
       -DCMAKE_BUILD_TYPE=Release -DHUNTER_CONFIGURATION_TYPES=Release

io.github.NhekoReborn.Nheko.yaml

@@ -173,7 +173,7 @@ modules:
     buildsystem: cmake-ninja
     name: mtxclient
     sources:
-      - commit: 251dc12469ecd96d0ec491551589b244f12d6d92
+      - commit: 8dd9214f622fe5f307249b37029c17f1fdff25ab
         #tag: v0.8.2
         type: git
         url: https://github.com/Nheko-Reborn/mtxclient.git

src/EventAccessors.cpp

@@ -9,12 +9,10 @@
 
 #include <algorithm>
 #include <cctype>
+#include <concepts>
 #include <type_traits>
 
 namespace {
-template<template<class...> class Op, class... Args>
-using is_detected = typename nheko::detail::detector<nheko::nonesuch, void, Op, Args...>::value_t;
-
 struct IsStateEvent
 {
     template<class T>
@@ -31,19 +29,13 @@ struct IsStateEvent
 
 struct EventMsgType
 {
-    template<class E>
-    using msgtype_t = decltype(E::msgtype);
     template<class T>
     mtx::events::MessageType operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<msgtype_t, T>::value) {
+        if constexpr (requires(decltype(e) t) { t.content.msgtype.value(); })
-            if constexpr (std::is_same_v<std::optional<std::string>,
+            return mtx::events::getMessageType(e.content.msgtype.value());
-                                         std::remove_cv_t<decltype(e.content.msgtype)>>)
+        else if constexpr (requires(decltype(e) t) { std::string{t.content.msgtype}; })
-                return mtx::events::getMessageType(e.content.msgtype.value());
+            return mtx::events::getMessageType(e.content.msgtype);
-            else if constexpr (std::is_same_v<std::string,
-                                              std::remove_cv_t<decltype(e.content.msgtype)>>)
-                return mtx::events::getMessageType(e.content.msgtype);
-        }
         return mtx::events::MessageType::Unknown;
     }
 };
@@ -94,31 +86,23 @@ struct CallType
 
 struct EventBody
 {
-    template<class C>
-    using body_t = decltype(C::body);
     template<class T>
     std::string operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<body_t, T>::value) {
+        if constexpr (requires(decltype(e) t) { t.content.body.value(); })
-            if constexpr (std::is_same_v<std::optional<std::string>,
+            return e.content.body ? e.content.body.value() : "";
-                                         std::remove_cv_t<decltype(e.content.body)>>)
+        else if constexpr (requires(decltype(e) t) { std::string{t.content.body}; })
-                return e.content.body ? e.content.body.value() : "";
+            return e.content.body;
-            else if constexpr (std::is_same_v<std::string,
-                                              std::remove_cv_t<decltype(e.content.body)>>)
-                return e.content.body;
-        }
         return "";
     }
 };
 
 struct EventFormattedBody
 {
-    template<class C>
-    using formatted_body_t = decltype(C::formatted_body);
     template<class T>
     std::string operator()(const mtx::events::RoomEvent<T> &e)
     {
-        if constexpr (is_detected<formatted_body_t, T>::value) {
+        if constexpr (requires { T::formatted_body; }) {
             if (e.content.format == "org.matrix.custom.html")
                 return e.content.formatted_body;
         }
@@ -128,12 +112,10 @@ struct EventFormattedBody
 
 struct EventFile
 {
-    template<class Content>
-    using file_t = decltype(Content::file);
     template<class T>
     std::optional<mtx::crypto::EncryptedFile> operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<file_t, T>::value)
+        if constexpr (requires { T::file; })
             return e.content.file;
         return std::nullopt;
     }
@@ -141,12 +123,10 @@ struct EventFile
 
 struct EventThumbnailFile
 {
-    template<class Content>
-    using file_t = decltype(Content::info.thumbnail_file);
     template<class T>
     std::optional<mtx::crypto::EncryptedFile> operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<file_t, T>::value)
+        if constexpr (requires { T::thumbnail_file; })
             return e.content.info.thumbnail_file;
         return std::nullopt;
     }
@@ -154,12 +134,10 @@ struct EventThumbnailFile
 
 struct EventUrl
 {
-    template<class Content>
-    using url_t = decltype(Content::url);
     template<class T>
     std::string operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<url_t, T>::value) {
+        if constexpr (requires { T::url; }) {
             if (auto file = EventFile{}(e))
                 return file->url;
             return e.content.url;
@@ -170,12 +148,10 @@ struct EventUrl
 
 struct EventThumbnailUrl
 {
-    template<class Content>
-    using thumbnail_url_t = decltype(Content::info.thumbnail_url);
     template<class T>
     std::string operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<thumbnail_url_t, T>::value) {
+        if constexpr (requires { e.content.info.thumbnail_url; }) {
             if (auto file = EventThumbnailFile{}(e))
                 return file->url;
             return e.content.info.thumbnail_url;
@@ -186,12 +162,10 @@ struct EventThumbnailUrl
 
 struct EventDuration
 {
-    template<class Content>
-    using thumbnail_url_t = decltype(Content::info.duration);
     template<class T>
     uint64_t operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<thumbnail_url_t, T>::value) {
+        if constexpr (requires { e.content.info.duration; }) {
             return e.content.info.duration;
         }
         return 0;
@@ -200,12 +174,10 @@ struct EventDuration
 
 struct EventBlurhash
 {
-    template<class Content>
-    using blurhash_t = decltype(Content::info.blurhash);
     template<class T>
     std::string operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<blurhash_t, T>::value) {
+        if constexpr (requires { e.content.info.blurhash; }) {
             return e.content.info.blurhash;
         }
         return "";
@@ -245,12 +217,10 @@ struct EventFilename
 
 struct EventMimeType
 {
-    template<class Content>
-    using mimetype_t = decltype(Content::info.mimetype);
     template<class T>
     std::string operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<mimetype_t, T>::value) {
+        if constexpr (requires { e.content.info.mimetype; }) {
             return e.content.info.mimetype;
         }
         return "";
@@ -259,12 +229,10 @@ struct EventMimeType
 
 struct EventFilesize
 {
-    template<class Content>
-    using filesize_t = decltype(Content::info.size);
     template<class T>
     int64_t operator()(const mtx::events::RoomEvent<T> &e)
     {
-        if constexpr (is_detected<filesize_t, T>::value) {
+        if constexpr (requires { e.content.info.size; }) {
             return e.content.info.size;
         }
         return 0;
@@ -275,12 +243,10 @@ struct EventRelations
 {
     inline const static mtx::common::Relations empty;
 
-    template<class Content>
-    using related_ev_id_t = decltype(Content::relations);
     template<class T>
     const mtx::common::Relations &operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<related_ev_id_t, T>::value) {
+        if constexpr (requires { T::relations; }) {
             return e.content.relations;
         }
         return empty;
@@ -290,12 +256,10 @@ struct EventRelations
 struct SetEventRelations
 {
     mtx::common::Relations new_relations;
-    template<class Content>
-    using related_ev_id_t = decltype(Content::relations);
     template<class T>
     void operator()(mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<related_ev_id_t, T>::value) {
+        if constexpr (requires { T::relations; }) {
             e.content.relations = std::move(new_relations);
         }
     }
@@ -317,12 +281,10 @@ struct EventTransactionId
 
 struct EventMediaHeight
 {
-    template<class Content>
-    using h_t = decltype(Content::info.h);
     template<class T>
     uint64_t operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<h_t, T>::value) {
+        if constexpr (requires { e.content.info.h; }) {
             return e.content.info.h;
         }
         return -1;
@@ -331,12 +293,10 @@ struct EventMediaHeight
 
 struct EventMediaWidth
 {
-    template<class Content>
-    using w_t = decltype(Content::info.w);
     template<class T>
     uint64_t operator()(const mtx::events::Event<T> &e)
     {
-        if constexpr (is_detected<w_t, T>::value) {
+        if constexpr (requires { e.content.info.h; }) {
             return e.content.info.w;
         }
         return -1;

src/timeline/CommunitiesModel.cpp

@@ -852,7 +852,8 @@ CommunitiesModel::updateSpaceStatus(QString space,
                           .arg(QString::fromStdString(err->matrix_error.error)));
                       nhlog::net()->error("Failed to update child {} of {}: {}",
                                           room.toStdString(),
-                                          space.toStdString());
+                                          space.toStdString(),
+                                          *err);
                   }
               });
         }
@@ -869,7 +870,8 @@ CommunitiesModel::updateSpaceStatus(QString space,
                           .arg(QString::fromStdString(err->matrix_error.error)));
                       nhlog::net()->error("Failed to delete child {} of {}: {}",
                                           room.toStdString(),
-                                          space.toStdString());
+                                          space.toStdString(),
+                                          *err);
                   }
               });
         }
@@ -891,7 +893,8 @@ CommunitiesModel::updateSpaceStatus(QString space,
                           .arg(QString::fromStdString(err->matrix_error.error)));
                       nhlog::net()->error("Failed to update parent {} of {}: {}",
                                           space.toStdString(),
-                                          room.toStdString());
+                                          room.toStdString(),
+                                          *err);
                   }
               });
         }
@@ -908,7 +911,8 @@ CommunitiesModel::updateSpaceStatus(QString space,
                           .arg(QString::fromStdString(err->matrix_error.error)));
                       nhlog::net()->error("Failed to delete parent {} of {}: {}",
                                           space.toStdString(),
-                                          room.toStdString());
+                                          room.toStdString(),
+                                          *err);
                   }
               });
         }

toolchain.cmake

@@ -1,3 +1,3 @@
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)