imgui VS webview

include(cmake/CPM.cmake) function(raylib_imgui_setup_dependencies) message(STATUS "Include Dear ImGui") FetchContent_Declare( ImGui GIT_REPOSITORY https://github.com/ocornut/imgui GIT_TAG 277ae93c41314ba5f4c7444f37c4319cdf07e8cf) # v1.90.4 FetchContent_MakeAvailable(ImGui) FetchContent_GetProperties(ImGui SOURCE_DIR IMGUI_DIR) add_library( imgui STATIC ${imgui_SOURCE_DIR}/imgui.cpp ${imgui_SOURCE_DIR}/imgui_draw.cpp ${imgui_SOURCE_DIR}/imgui_widgets.cpp ${imgui_SOURCE_DIR}/imgui_tables.cpp) target_include_directories(imgui INTERFACE ${imgui_SOURCE_DIR}) include(cmake/CPM.cmake) message(STATUS "Include dbg-macro") cpmaddpackage( "gh:sharkdp/dbg-macro#fb9976f410f8b29105818b20278cd0be0e853fe8" )# v0.5.1 message(STATUS "Include fmtlib") cpmaddpackage("gh:fmtlib/fmt#e69e5f977d458f2650bb346dadf2ad30c5320281" )# 10.x message(STATUS "Include raylib") cpmaddpackage("gh:raysan5/raylib#ae50bfa2cc569c0f8d5bc4315d39db64005b1b0" )# v5.0 message(STATUS "Include spdlog") cpmaddpackage("gh:gabime/spdlog#7c02e204c92545f869e2f04edaab1f19fe8b19fd" )# v1.13.0 message(STATUS "Include rlImGui") FetchContent_Declare( rlImGui GIT_REPOSITORY https://github.com/raylib-extras/rlImGui GIT_TAG d765c1ef3d37cf939f88aaa272a59a2713d654c9) FetchContent_MakeAvailable(rlImGui) FetchContent_GetProperties(rlImGui SOURCE_DIR RLIMGUI_DIR) add_library(rlimgui STATIC ${rlimgui_SOURCE_DIR}/rlImgui.cpp) target_link_libraries(rlimgui PRIVATE imgui raylib) target_include_directories(rlimgui INTERFACE ${rlimgui_SOURCE_DIR}) endfunction()

Immediate mode is a fuzzy concept, as witnessed by this writeup: https://github.com/ocornut/imgui/wiki/About-the-IMGUI-paradi...

It's fun to see the evolution in e.g. these examples of image loading for Dear Imgui:

https://github.com/ocornut/imgui/wiki/Image-Loading-and-Disp...

DirectX9 will even load the image for you, DirectX11 okay we get a few more structures to fill out, DirectX12 is where it goes off the rails and we are filling out a bunch of UNKNOWN DONT_CARE JUST_DO_IT. Then of course Vulkan is the one that gets the big fat "this probably won't actually work for you" warning.

I understand whats happening, but you know sometimes I just want to display a fucking image.

ImGui is engine/GPU agnostic

Themeing isn't a just a retained mode thing, you can do wonders with immediate UIs, even thought (dear)ImGui doesn't provide much, you can still do wonders: https://github.com/ocornut/imgui/issues/707#issuecomment-362...

More on that topic: https://www.youtube.com/watch?v=Z1qyvQsjK5Y

Bonus: If you want to make desktop app with UI, then this is another great C++ library and it's also simple to learn as well. https://github.com/ocornut/imgui.

AFAIK the Rust equivalent to C++'s Dear ImGui is egui.

They use a Dear ImGui, a C++ GUI library.

Aside from bugs and driver issues, Wayland has some unfortunate design limitations. For example, Dear ImGui multi-viewports don't work because "Wayland doesn't let application read or write windows positions."

https://github.com/ocornut/imgui/wiki/Multi-Viewports

This is a feature available on Windows, macOS, and of course X11. Making choices like this means desktop Linux becomes even more of a weird island that nobody wants to support.

You can create the webview using each platforms native GUI toolkit and setup JS communication yourself OR you can use a lightweight library that does it for [1] (search its README for language "bindings").

[1] https://github.com/webview/webview

Each platform has it's own webview control available as a shared library installed with the OS.

MacOS has WKWebKit based on WebKit.

Windows has WebView2 based on Edge/Chromium.

Linux has webkit2gtk based on WebKit.

Tools like Tauri use a simple cross-platform single-header abstraction called webview.h[1].

Electron no longer allows Node.js to be called from renderer processes, all communication with Node.js is done via IPC.

In this case, why do we still need Electron? Why does it have to be tied to V8/Node.js?

The fact that Chromium Embedded Framework exists and is third-party makes me think that Chromium wasn't designed for being embedded, and Electron is filling that gap.

This is elucidated here further here https://trac.webkit.org/wiki/WebKit2:

> it's difficult to reuse their work...if another WebKit-based application or another port wanted to do multiprocess based on Chromium WebKit, it would be necessary to reinvent or cut & paste a great deal of code.

It makes me think that perhaps WebKit was the better choice for embedding. The fact that Node used V8 made Chromium the choice, and that Node being called from the renderer was the original way of working. Maybe because WebKit didn't have a build for Windows was an issue too...

But now that we have Bun, perhaps it's time that WebKit becomes that browser target of choice for desktop apps on macOS.

Unless WebView2 for macOS arrives, which would have a more sane cross-platform story. WebView2 has a very large feature-set though which make take a while to implement for macOS.

[1]: https://github.com/webview/webview/blob/master/webview.h

Nui could base on this in theory. Nui uses https://github.com/webview/webview under the hood, which provides browser windows for linux, windows or mac. Nui adds some cmake to make the "in-browser" and "main-process" part appear seemless, as well adding a DSEL for the "in-browser" view part.

WebView 7k

You mean something like this?

Golang can compile to windows statically, and on Windows those bindings are using the MSWebView2 API (aka Microsoft Edge webview).

I know that you can also compile the webview.cc into a dll specifically, and link against that. But I'd never done with Visual C++ because I am cross-compiling from Linux to Windows.

The README of the webview/webview project refers to the WebView2 SDK on NuGet, however [1]

[1] https://github.com/webview/webview#windows-preparation

The author shrugs off web tech (maybe because of electron bloat?) but you can avoid the bloat by using each platforms native web browser control. There are even cross-platform libraries that make creating the native control and cross-communication simple. These applications would be architecturally similar to Win32 apps using and communicating with a XAML Island, but the advantage of web tech is it's an open standard and WPF/WinUI is not.

For example, you could use a native webview (Edge WebView2 for Windows and WebKit for MacOS/Linux), which uses much less RAM than Electron.

From a more established company with more guaranteed long-term support than the web frameworks that solve the above problems (like Tauri and Webview)