New port: x11-toolkits/nanogui: Minimalistic GUI library for OpenGL

NanoGUI is a graphics toolkit with its own distinctive look-and-feel.
Please see the screenshot of one of their examples here:
https://github.com/wjakob/nanogui/raw/master/resources/screenshot.png

Approved by:	tcberner (mentor)
Differential Revision:	D13667

5 files changed, 196 insertions, 0 deletions

diff --git a/x11-toolkits/nanogui/Makefile b/x11-toolkits/nanogui/Makefile
new file mode 100644
index 000000000000..302440bfd65b
--- /dev/null
+++ b/x11-toolkits/nanogui/Makefile
@@ -0,0 +1,44 @@
+# $FreeBSD$
+
+PORTNAME=	nanogui
+DISTVERSIONPREFIX=	v
+DISTVERSION=	g20171202
+CATEGORIES=	x11-toolkits
+
+MAINTAINER=	yuri@FreeBSD.org
+COMMENT=	Minimalistic GUI library for OpenGL
+
+LICENSE=	BSD3CLAUSE
+LICENSE_FILE=	${WRKSRC}/LICENSE.txt
+
+LIB_DEPENDS=	libfontconfig.so:x11-fonts/fontconfig \
+		libfreetype.so:print/freetype2 \
+		libglfw.so:graphics/glfw
+
+USES=		cmake:outsource compiler:c++14-lang eigen:3,build,run
+USE_GITHUB=	yes
+GH_ACCOUNT=	wjakob
+GH_TAGNAME=	3e0b2c8
+GH_TUPLE=	wjakob:nanovg:ab38df8:nanovg/ext/nanovg
+USE_GL=		gl
+USE_XORG=	x11 xcursor xi xinerama xrandr xxf86vm
+USE_LDCONFIG=	yes
+CMAKE_OFF=	NANOGUI_BUILD_EXAMPLE GLFW_BUILD_EXAMPLES
+
+OPTIONS_DEFINE=	PYTHON
+OPTIONS_DEFAULT=	PYTHON
+OPTIONS_SUB=	yes
+
+PYTHON_CMAKE_BOOL=	NANOGUI_BUILD_PYTHON
+PYTHON_USES=		python
+PYTHON_BUILD_DEPENDS=	${LOCALBASE}/include/pybind11/pybind11.h:devel/pybind11
+PYTHON_RUN_DEPENDS=	pybind11>0:devel/pybind11
+
+post-install:
+	${INSTALL_DATA} ${WRKSRC}/ext/nanovg/src/*.h ${STAGEDIR}${PREFIX}/include/nanogui/  # bundled dependency headers aren't installed
+
+post-install-PYTHON-on:
+	@${MKDIR} ${STAGEDIR}${PYTHON_SITELIBDIR}
+	${MV} ${STAGEDIR}${PREFIX}/lib/nanogui.so ${STAGEDIR}${PYTHON_SITELIBDIR}
+
+.include <bsd.port.mk>
diff --git a/x11-toolkits/nanogui/distinfo b/x11-toolkits/nanogui/distinfo
new file mode 100644
index 000000000000..406b671b5fa0
--- /dev/null
+++ b/x11-toolkits/nanogui/distinfo
@@ -0,0 +1,5 @@
+TIMESTAMP = 1514452444
+SHA256 (wjakob-nanogui-vg20171202-3e0b2c8_GH0.tar.gz) = 04a7e1628ae7507fd0a3482f096205bccd0c667caef104eafb7c3b57f0a57f18
+SIZE (wjakob-nanogui-vg20171202-3e0b2c8_GH0.tar.gz) = 2742665
+SHA256 (wjakob-nanovg-ab38df8_GH0.tar.gz) = 4919c34f84eefaea556130906e1a1e0733562c96de1b46715ed31b5d15fc5eca
+SIZE (wjakob-nanovg-ab38df8_GH0.tar.gz) = 2014812
diff --git a/x11-toolkits/nanogui/files/patch-CMakeLists.txt b/x11-toolkits/nanogui/files/patch-CMakeLists.txt
new file mode 100644
index 000000000000..52309b54fbea
--- /dev/null
+++ b/x11-toolkits/nanogui/files/patch-CMakeLists.txt
@@ -0,0 +1,96 @@
+--- CMakeLists.txt.orig	2017-12-02 22:40:58 UTC
++++ CMakeLists.txt
+@@ -6,11 +6,11 @@ if (POLICY CMP0058)
+   cmake_policy(SET CMP0058 NEW)
+ endif()
+ 
+-if (NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/ext/glfw/src")
+-  message(FATAL_ERROR "The NanoGUI dependency repositories (GLFW, etc.) are missing! "
+-    "You probably did not clone the project with --recursive. It is possible to recover "
+-    "by calling \"git submodule update --init --recursive\"")
+-endif()
++#if (NOT IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/ext/glfw/src")
++#  message(FATAL_ERROR "The NanoGUI dependency repositories (GLFW, etc.) are missing! "
++#    "You probably did not clone the project with --recursive. It is possible to recover "
++#    "by calling \"git submodule update --init --recursive\"")
++#endif()
+ 
+ if (WIN32)
+   set(NANOGUI_USE_GLAD_DEFAULT ON)
+@@ -18,6 +18,8 @@ else()
+   set(NANOGUI_USE_GLAD_DEFAULT OFF)
+ endif()
+ 
++include_directories(${CMAKE_INSTALL_PREFIX}/include/eigen3)
++
+ option(NANOGUI_BUILD_EXAMPLE "Build NanoGUI example application?" ON)
+ option(NANOGUI_BUILD_SHARED  "Build NanoGUI as a shared library?" ON)
+ option(NANOGUI_BUILD_PYTHON  "Build a Python plugin for NanoGUI?" ON)
+@@ -73,7 +75,7 @@ if (CMAKE_CXX_COMPILER_ID MATCHES "Clang
+   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
+ endif()
+ 
+-add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/ext/glfw" "ext_build/glfw")
++#add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/ext/glfw" "ext_build/glfw")
+ 
+ # Python support: add NANOGUI_PYTHON flag to all targets
+ if (NANOGUI_BUILD_PYTHON)
+@@ -243,6 +245,9 @@ elseif(CMAKE_SYSTEM MATCHES "Linux" OR C
+   if(CMAKE_SYSTEM MATCHES "Linux")
+     list(APPEND NANOGUI_EXTRA_LIBS dl)
+   endif()
++  if(CMAKE_SYSTEM MATCHES "FreeBSD")
++    list(APPEND NANOGUI_EXTRA_LIBS glfw)
++  endif()
+ endif()
+ 
+ include_directories(${NANOGUI_EIGEN_INCLUDE_DIR} ext/glfw/include ext/nanovg/src include ${CMAKE_CURRENT_BINARY_DIR})
+@@ -282,7 +287,7 @@ else()
+   set(NANOGUI_LIBRARY_TYPE "STATIC")
+ endif()
+ 
+-if (APPLE OR CMAKE_SYSTEM MATCHES "Linux")
++if (APPLE OR CMAKE_SYSTEM MATCHES "Linux|FreeBSD")
+   # Include coroutine support for running the mainloop in detached mode
+   add_definitions(-DCORO_SJLJ)
+   include_directories(ext/coro)
+@@ -343,7 +348,7 @@ add_library(nanogui-obj OBJECT
+ 
+ add_library(nanogui ${NANOGUI_LIBRARY_TYPE}
+   $<TARGET_OBJECTS:nanogui-obj>
+-  $<TARGET_OBJECTS:glfw_objects>
++  #$<TARGET_OBJECTS:glfw_objects>
+ )
+ 
+ if (NANOGUI_BUILD_SHARED)
+@@ -415,7 +420,7 @@ if (NANOGUI_BUILD_PYTHON)
+   # Detect Python
+ 
+   # Try to autodetect Python (can be overridden manually if needed)
+-  list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/ext/pybind11/tools")
++  list(APPEND CMAKE_MODULE_PATH "${CMAKE_INSTALL_PREFIX}/share/cmake/pybind11/")
+   set(Python_ADDITIONAL_VERSIONS 3.7 3.6 3.5 3.4)
+   find_package(PythonLibsNew ${NANOGUI_PYTHON_VERSION})
+   if (NOT PYTHONLIBS_FOUND)
+@@ -430,7 +435,7 @@ endif()
+ if (NANOGUI_BUILD_PYTHON)
+   # Need PIC code in libnanogui even when compiled as a static library
+   set_target_properties(nanogui-obj PROPERTIES POSITION_INDEPENDENT_CODE ON)
+-  set_target_properties(glfw_objects PROPERTIES POSITION_INDEPENDENT_CODE ON)
++  #set_target_properties(glfw_objects PROPERTIES POSITION_INDEPENDENT_CODE ON)
+ 
+   include_directories("ext/pybind11/include" ${PYTHON_INCLUDE_DIR})
+   add_library(nanogui-python-obj OBJECT
+@@ -489,9 +494,9 @@ if (NANOGUI_BUILD_PYTHON)
+     endif()
+   elseif(UNIX)
+     # Optimize for size
+-    if (U_CMAKE_BUILD_TYPE MATCHES REL)
+-      set_property(TARGET nanogui-python-obj APPEND PROPERTY COMPILE_OPTIONS "-Os")
+-    endif()
++    #if (U_CMAKE_BUILD_TYPE MATCHES REL)
++    #  set_property(TARGET nanogui-python-obj APPEND PROPERTY COMPILE_OPTIONS "-Os")
++    #endif()
+ 
+     # Strip unnecessary sections of the binary on Linux/Mac OS
+     if(APPLE)
diff --git a/x11-toolkits/nanogui/pkg-descr b/x11-toolkits/nanogui/pkg-descr
new file mode 100644
index 000000000000..d698bb0639e5
--- /dev/null
+++ b/x11-toolkits/nanogui/pkg-descr
@@ -0,0 +1,5 @@
+NTK is a fork of FLTK 1.3.0 which adds graphics rendering via
+Cairo, support for transparent/overlapping widgets, streamlining
+of internals, and some new/improved widgets.
+
+WWW: https://github.com/original-male/ntk
diff --git a/x11-toolkits/nanogui/pkg-plist b/x11-toolkits/nanogui/pkg-plist
new file mode 100644
index 000000000000..b1296b5b1dc1
--- /dev/null
+++ b/x11-toolkits/nanogui/pkg-plist
@@ -0,0 +1,46 @@
+include/nanogui/button.h
+include/nanogui/checkbox.h
+include/nanogui/colorpicker.h
+include/nanogui/colorwheel.h
+include/nanogui/combobox.h
+include/nanogui/common.h
+include/nanogui/compat.h
+include/nanogui/entypo.h
+include/nanogui/fontstash.h
+include/nanogui/formhelper.h
+include/nanogui/glcanvas.h
+include/nanogui/glutil.h
+include/nanogui/graph.h
+include/nanogui/imagepanel.h
+include/nanogui/imageview.h
+include/nanogui/label.h
+include/nanogui/layout.h
+include/nanogui/messagedialog.h
+include/nanogui/nanogui.h
+include/nanogui/nanovg.h
+include/nanogui/nanovg_gl.h
+include/nanogui/nanovg_gl_utils.h
+include/nanogui/object.h
+include/nanogui/opengl.h
+include/nanogui/popup.h
+include/nanogui/popupbutton.h
+include/nanogui/progressbar.h
+include/nanogui/python.h
+include/nanogui/screen.h
+include/nanogui/serializer/core.h
+include/nanogui/serializer/opengl.h
+include/nanogui/serializer/sparse.h
+include/nanogui/slider.h
+include/nanogui/stackedwidget.h
+include/nanogui/stb_image.h
+include/nanogui/stb_truetype.h
+include/nanogui/tabheader.h
+include/nanogui/tabwidget.h
+include/nanogui/textbox.h
+include/nanogui/theme.h
+include/nanogui/toolbutton.h
+include/nanogui/vscrollpanel.h
+include/nanogui/widget.h
+include/nanogui/window.h
+lib/libnanogui.so
+%%PYTHON%%%%PYTHON_SITELIBDIR%%/nanogui.so