merge local branch 'mover_in_c++'

ref/imgui/.travis.yml

@@ -0,0 +1,34 @@
+language: cpp
+sudo: required
+dist: trusty
+
+os:
+  - linux
+  - osx
+
+compiler:
+  - gcc
+  - clang
+
+before_install:
+  - if [ $TRAVIS_OS_NAME == linux ]; then 
+      sudo apt-get update -qq;
+      sudo apt-get install -y --no-install-recommends libxrandr-dev libxi-dev libxxf86vm-dev libsdl2-dev;
+      wget https://github.com/glfw/glfw/releases/download/3.2.1/glfw-3.2.1.zip;
+      unzip glfw-3.2.1.zip && cd glfw-3.2.1; 
+      cmake -DBUILD_SHARED_LIBS=true -DGLFW_BUILD_EXAMPLES=false -DGLFW_BUILD_TESTS=false -DGLFW_BUILD_DOCS=false .;
+      sudo make -j $CPU_NUM install && cd ..;
+    fi
+  - if [ $TRAVIS_OS_NAME == osx ]; then 
+      brew update;
+      brew install glfw3;
+      brew install sdl2;
+    fi
+
+script: 
+  - make -C examples/example_glfw_opengl2
+  - make -C examples/example_glfw_opengl3
+  - make -C examples/example_sdl_opengl3
+  - if [ $TRAVIS_OS_NAME == osx ]; then 
+      xcodebuild -project examples/example_apple_metal/example_apple_metal.xcodeproj -target example_apple_metal_macos;
+    fi