explore automatic GUI testing in VS2015, cmake and travis

local works vary good in windows with VS2015

.travis.yml

@@ -56,7 +56,7 @@ matrix:
             - llvm-toolchain-precise 
 
 before_install:
-  - git clone --depth=50 --branch=dev_nana_in_examples https://github.com/qPCR4vir/nana-demo.git nana-demo
+  - git clone --depth=50 --branch=testing https://github.com/qPCR4vir/nana-demo.git nana-demo
   - export PATH="$HOME/bin:$PATH"
   - mkdir ~/bin
   - wget --no-check-certificate --no-clobber -O /tmp/tools/cmake https://cmake.org/files/v3.4/cmake-3.4.0-rc3-Linux-x86_64.sh || true
@@ -70,6 +70,7 @@ before_script :
   - cd bld
 
 script:
-  - cmake -G"Unix Makefiles" .. -DNANA_CMAKE_ENABLE_JPEG=ON -DNANA_CMAKE_ENABLE_PNG=OFF -DNANA_CMAKE_BUILD_DEMOS=ON -DNANA_CMAKE_ENABLE_AUDIO=OFF -DNANA_CMAKE_FIND_BOOST_FILESYSTEM=ON -DNANA_CMAKE_INCLUDE_EXPERIMENTAL_DEMOS=ON
+  - cmake -G"Unix Makefiles" .. -DNANA_CMAKE_ENABLE_JPEG=ON -DNANA_CMAKE_ENABLE_PNG=OFF -DNANA_CMAKE_BUILD_DEMOS=ON -DNANA_CMAKE_ENABLE_AUDIO=OFF -DNANA_CMAKE_FIND_BOOST_FILESYSTEM=ON -DNANA_CMAKE_INCLUDE_EXPERIMENTAL_DEMOS=ON -DNANA_CMAKE_AUTOMATIC_GUI_TESTING=ON -DNANA_CMAKE_ADD_DEF_AUTOMATIC_GUI_TESTING=OFF
    
   - make
+  - clicked

CMakeLists.txt

@@ -29,6 +29,9 @@ option(NANA_CMAKE_VERBOSE_PREPROCESSOR "Show annoying debug messages during comp
 option(NANA_CMAKE_STOP_VERBOSE_PREPROCESSOR "Stop compilation after showing the annoying debug messages." ON)
 option(NANA_CMAKE_BUILD_DEMOS "Build all the demos form the nana_demo repository." OFF)
 option(NANA_CMAKE_INCLUDE_EXPERIMENTAL_DEMOS "" ON)
+option(NANA_CMAKE_AUTOMATIC_GUI_TESTING "Activate automatic GUI testing?" OFF)
+option(NANA_CMAKE_ADD_DEF_AUTOMATIC_GUI_TESTING "Add defoult automatic GUI test?" OFF)
+
 
 # The ISO C++ File System Technical Specification (ISO-TS, or STD) is optional.
 #              http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4100.pdf
@@ -238,6 +241,17 @@ set_property( TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 14 )
 
 if (NANA_CMAKE_BUILD_DEMOS)
 
+	if(NANA_CMAKE_AUTOMATIC_GUI_TESTING)
+	     add_definitions(-DNANA_AUTOMATIC_GUI_TESTING)
+	endif(NANA_CMAKE_AUTOMATIC_GUI_TESTING)
+
+	if(NANA_CMAKE_ADD_DEF_AUTOMATIC_GUI_TESTING)
+	     add_definitions(-DNANA_ADD_DEF_AUTOMATIC_GUI_TESTING)
+	endif(NANA_CMAKE_ADD_DEF_AUTOMATIC_GUI_TESTING)
+	
+	NANA_ADD_DEF_AUTOMATIC_GUI_TESTING
+	
+	
     set (demos    calculator helloworld_demo notepad widget_show widget_show2      )
 	if (NANA_CMAKE_INCLUDE_EXPERIMENTAL_DEMOS)
 	    list(APPEND demos  file_explorer)  

include/nana/gui/wvl.hpp

@@ -15,6 +15,8 @@
 #ifndef NANA_GUI_WVL_HPP
 #define NANA_GUI_WVL_HPP
 
+
+
 #include "programming_interface.hpp"
 #include "screen.hpp"
 #include "widgets/form.hpp"
@@ -58,6 +60,7 @@ namespace nana
     template<typename Form, bool IsVisible = true>
     using form_loader = detail::form_loader<Form, IsVisible>;
 
-	void exec();
+	void exec(unsigned wait = 0, std::function<void()> = {});
+ 
 }//end namespace nana
 #endif

source/gui/wvl.cpp

@@ -13,6 +13,22 @@
 
 #include <nana/gui/wvl.hpp>
 #include <nana/gui/detail/bedrock.hpp>
+#include <thread>
+
+#include <iostream> 
+
+
+//#define NANA_AUTOMATIC_GUI_TESTING
+
+inline unsigned Wait(unsigned wait = 0)
+{
+#ifdef NANA_AUTOMATIC_GUI_TESTING
+	return wait;
+#else
+	return 0;
+#endif
+}
+
 namespace nana
 {
 	namespace detail
@@ -23,8 +39,33 @@ namespace nana
 		}
 	}
 
-	void exec()
+	void exec(unsigned wait, std::function<void()> f )
 	{
+		#ifdef NANA_ADD_DEF_AUTOMATIC_GUI_TESTING
+				if (!wait)
+					wait = 10;
+				if (!f)
+					f = []() {API::exit(); };
+		#endif
+
+		wait = Wait(wait);
+
+		std::cout << "Will wait " << wait << " sec...\n";
+		std::thread t([wait, &f]() 
+		              { if (wait) 
+		                   {   
+							   std::cout << "Waiting " << wait << " sec...\n";
+							   std::this_thread::sleep_for(std::chrono::seconds{ wait } ); 
+							   std::cout << "Waited !! running... \n"  ;
+		                       f(); 
+							   //API::exit();
+							   std::cout << "Runed... \n";
+		                   }
+		              });
+		
 		detail::bedrock::instance().pump_event(nullptr, false);
+
+		if (t.joinable())
+			t.join();
 	}
 }//end namespace nana