42 lines
2 KiB
Markdown
42 lines
2 KiB
Markdown
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# iOS / OSX example
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## Introduction
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This example is the default XCode "OpenGL" example code, modified to support ImGui and [Synergy](http://synergy-project.org/) to share mouse/keyboard on an iOS device.
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It is a rather complex and messy example because of all of the faff required to get an XCode/iOS application running. Refer to the regular OpenGL examples if you want to learn about integrating ImGui. **The opengl3_example/ should also work on OS X and is much simpler.** This is an integration for iOS with Synergy.
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Synergy (remote keyboard/mouse) is not required, but it's pretty hard to use ImGui without it. Synergy includes a "uSynergy" library that allows embedding a synergy client, this is what is used here. ImGui supports "TouchPadding", and this is enabled when Synergy is not active.
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## How to Use on iOS
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* In Synergy, go to Preferences, and uncheck "Use SSL encryption"
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* Run the example app.
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* Tap the "servername" button in the corner
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* Enter the name or the IP of your synergy host
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* If you had previously connected to a server, you may need to kill and re-start the app.
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## How to Build on OSX
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* Make sure you have install `brew`, if not, please refer to [Homebrew Website](http://brew.sh)
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* Run the command: `brew install glfw3`
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* Double click `imguiex.xcodeproj` and select `imguiex-osx` scheme
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* Click `Run` button
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## Notes and TODOs
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Things that would be nice but I didn't get around to doing:
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* iOS software keyboard not supported for text inputs
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* iOS hardware (bluetooth) keyboards not supported
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* Graceful disconnect/reconnect from uSynergy.
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* Copy/Paste not well-supported
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## C++ on iOS / OSX
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ImGui is a c++ library. If you want to include it directly, rename your Obj-C file to have the ".mm" extension.
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Alternatively, you can wrap your debug code in a C interface, this is what I am demonstrating here with the "debug_hud.h" interface. Either approach works, use whatever you prefer.
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In my case, most of my game code is already in C++ so it's not really an issue and I can use ImGui directly.
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