Merge pull request #1872 from richardeakin/glfw_filedrop

added filedrop event support on linux

Author: richardeakin

src/cinder/app/linux/AppImplLinuxGlfw.cpp

@@ -45,6 +45,7 @@ class GlfwCallbacks {
 		::glfwSetCursorPosCallback( glfwWindow, GlfwCallbacks::onMousePos );
 		::glfwSetMouseButtonCallback( glfwWindow, GlfwCallbacks::onMouseButton );
 		::glfwSetScrollCallback( glfwWindow, GlfwCallbacks::onMouseWheel );
+		::glfwSetDropCallback( glfwWindow, GlfwCallbacks::onFileDrop );
 	}
 
 	static void unregisterWindowEvents( GLFWwindow *glfwWindow ) {
@@ -273,6 +274,18 @@ class GlfwCallbacks {
 			cinderWindow->emitMouseWheel( &event );	
 		}
 	}
+
+	static void onFileDrop( GLFWwindow *glfwWindow, int count, const char **paths )
+	{
+		std::vector<fs::path> files;
+		for( int i = 0; i < count; i++ ) {
+			files.push_back( paths[i] );
+		}
+
+		vec2 dropPoint = { 0, 0 }; // note: doesn't appear to be any way to get the drop position.
+		FileDropEvent dropEvent( getWindow(), dropPoint.x, dropPoint.y, files );
+		getWindow()->emitFileDrop( &dropEvent );
+	}
 };
 
 std::map<GLFWwindow*, std::pair<AppImplLinux*,WindowRef>> GlfwCallbacks::sWindowMapping;

test/_audio/SampleTest/proj/cmake/CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required( VERSION 3.0 FATAL_ERROR )
+set( CMAKE_VERBOSE_MAKEFILE ON )
+
+project( audio-SampleTest )
+
+get_filename_component( CINDER_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../../../.." ABSOLUTE )
+get_filename_component( APP_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../" ABSOLUTE )
+
+include( "${CINDER_PATH}/proj/cmake/modules/cinderMakeApp.cmake" )
+
+set( APP_SOURCES
+	${APP_PATH}/src/SampleTestApp.cpp
+	${CINDER_PATH}/samples/_audio/common/AudioDrawUtils.cpp
+)
+
+ci_make_app(
+	SOURCES    	${APP_SOURCES}
+	CINDER_PATH ${CINDER_PATH}
+	INCLUDES	${APP_PATH}/include
+	RESOURCES	${APP_PATH}/../data/tone440L220R.wav
+)