commit 8281c6f6dbbb8df130b88978632227aed471728e
Author: ccolin <contact@ccolin.fr>
Date:   Sun Mar 8 21:29:11 2020 +0100

    archivage initial

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..cc90e8f
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,633 @@
+#############################################################################
+# Makefile for building: tp4
+# Generated by qmake (3.1) (Qt 5.13.2)
+# Project:  tp4.pro
+# Template: app
+# Command: /usr/lib/qt5/bin/qmake -o Makefile tp4.pro
+#############################################################################
+
+MAKEFILE      = Makefile
+
+EQ            = =
+
+####### Compiler, tools and options
+
+CC            = gcc
+CXX           = g++
+DEFINES       = -DQT_WIDGETS_LIB -DQT_GUI_LIB -DQT_CORE_LIB
+CFLAGS        = -pipe -g -Wall -W -D_REENTRANT -fPIC $(DEFINES)
+CXXFLAGS      = -pipe -g -std=gnu++1y -Wall -W -D_REENTRANT -fPIC $(DEFINES)
+INCPATH       = -I. -I /usr/include/qt5 -I /usr/include/qt5/QtWidgets -I /usr/include/qt5/QtGui -I /usr/include/qt5/QtCore -I. -I /usr/include/libdrm -I. -I/usr/lib/qt5/mkspecs/linux-g++
+QMAKE         = /usr/lib/qt5/bin/qmake
+DEL_FILE      = rm -f
+CHK_DIR_EXISTS= test -d
+MKDIR         = mkdir -p
+COPY          = cp -f
+COPY_FILE     = cp -f
+COPY_DIR      = cp -f -R
+INSTALL_FILE  = install -m 644 -p
+INSTALL_PROGRAM = install -m 755 -p
+INSTALL_DIR   = cp -f -R
+QINSTALL      = /usr/lib/qt5/bin/qmake -install qinstall
+QINSTALL_PROGRAM = /usr/lib/qt5/bin/qmake -install qinstall -exe
+DEL_FILE      = rm -f
+SYMLINK       = ln -f -s
+DEL_DIR       = rmdir
+MOVE          = mv -f
+TAR           = tar -cf
+COMPRESS      = gzip -9f
+DISTNAME      = tp41.0.0
+DISTDIR = /home/papush/m1/pg/tp4/tp4/.tmp/tp41.0.0
+LINK          = g++
+LFLAGS        = -Wl,-rpath,/usr/lib
+LIBS          = $(SUBLIBS) /usr/lib/libQt5Widgets.so /usr/lib/libQt5Gui.so /usr/lib/libQt5Core.so -lGL -lpthread   
+AR            = ar cqs
+RANLIB        = 
+SED           = sed
+STRIP         = strip
+
+####### Output directory
+
+OBJECTS_DIR   = ./
+
+####### Files
+
+SOURCES       = main.cpp \
+		princ.cpp \
+		glarea.cpp \
+		cylinder.cpp \
+		scene.cpp \
+		settingsdialog.cpp \
+		propslider.cpp qrc_tp4.cpp \
+		moc_princ.cpp \
+		moc_glarea.cpp \
+		moc_settingsdialog.cpp \
+		moc_propslider.cpp
+OBJECTS       = main.o \
+		princ.o \
+		glarea.o \
+		cylinder.o \
+		scene.o \
+		settingsdialog.o \
+		propslider.o \
+		qrc_tp4.o \
+		moc_princ.o \
+		moc_glarea.o \
+		moc_settingsdialog.o \
+		moc_propslider.o
+DIST          = /usr/lib/qt5/mkspecs/features/spec_pre.prf \
+		/usr/lib/qt5/mkspecs/common/unix.conf \
+		/usr/lib/qt5/mkspecs/common/linux.conf \
+		/usr/lib/qt5/mkspecs/common/sanitize.conf \
+		/usr/lib/qt5/mkspecs/common/gcc-base.conf \
+		/usr/lib/qt5/mkspecs/common/gcc-base-unix.conf \
+		/usr/lib/qt5/mkspecs/common/g++-base.conf \
+		/usr/lib/qt5/mkspecs/common/g++-unix.conf \
+		/usr/lib/qt5/mkspecs/qconfig.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3danimation.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3danimation_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dcore.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dcore_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dextras.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dextras_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dinput.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dinput_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dlogic.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dlogic_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquick.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquick_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickanimation.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickanimation_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickextras.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickextras_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickinput.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickinput_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickrender.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickrender_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickscene2d.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickscene2d_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3drender.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3drender_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_accessibility_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_bootstrap_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_concurrent.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_concurrent_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_core.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_core_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_dbus.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_dbus_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_devicediscovery_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_edid_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_egl_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_eglfs_kms_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_eglfsdeviceintegration_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_eventdispatcher_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_fb_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_fontdatabase_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_glx_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_gui.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_gui_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_input_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_kms_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_linuxaccessibility_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_network.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_network_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_opengl.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_opengl_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_openglextensions.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_openglextensions_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_packetprotocol_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_platformcompositor_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_printsupport.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_printsupport_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qml.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qml_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qmldebug_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qmldevtools_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qmltest.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qmltest_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quick.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quick_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quickparticles_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quickshapes_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quickwidgets.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quickwidgets_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_service_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_sql.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_sql_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_testlib.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_testlib_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_theme_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_vulkan_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_widgets.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_widgets_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_xcb_qpa_lib_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_xkbcommon_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_xml.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_xml_private.pri \
+		/usr/lib/qt5/mkspecs/features/qt_functions.prf \
+		/usr/lib/qt5/mkspecs/features/qt_config.prf \
+		/usr/lib/qt5/mkspecs/linux-g++/qmake.conf \
+		/usr/lib/qt5/mkspecs/features/spec_post.prf \
+		.qmake.stash \
+		/usr/lib/qt5/mkspecs/features/exclusive_builds.prf \
+		/usr/lib/qt5/mkspecs/features/toolchain.prf \
+		/usr/lib/qt5/mkspecs/features/default_pre.prf \
+		/usr/lib/qt5/mkspecs/features/resolve_config.prf \
+		/usr/lib/qt5/mkspecs/features/default_post.prf \
+		/usr/lib/qt5/mkspecs/features/warn_on.prf \
+		/usr/lib/qt5/mkspecs/features/qt.prf \
+		/usr/lib/qt5/mkspecs/features/resources.prf \
+		/usr/lib/qt5/mkspecs/features/moc.prf \
+		/usr/lib/qt5/mkspecs/features/unix/opengl.prf \
+		/usr/lib/qt5/mkspecs/features/uic.prf \
+		/usr/lib/qt5/mkspecs/features/unix/thread.prf \
+		/usr/lib/qt5/mkspecs/features/qmake_use.prf \
+		/usr/lib/qt5/mkspecs/features/file_copies.prf \
+		/usr/lib/qt5/mkspecs/features/testcase_targets.prf \
+		/usr/lib/qt5/mkspecs/features/exceptions.prf \
+		/usr/lib/qt5/mkspecs/features/yacc.prf \
+		/usr/lib/qt5/mkspecs/features/lex.prf \
+		tp4.pro princ.h \
+		glarea.h \
+		scene.h \
+		cylinder.h \
+		settingsdialog.h \
+		propslider.h main.cpp \
+		princ.cpp \
+		glarea.cpp \
+		cylinder.cpp \
+		scene.cpp \
+		settingsdialog.cpp \
+		propslider.cpp
+QMAKE_TARGET  = tp4
+DESTDIR       = 
+TARGET        = tp4
+
+
+first: all
+####### Build rules
+
+tp4: ui_princ.h ui_settingsdialog.h $(OBJECTS)  
+	$(LINK) $(LFLAGS) -o $(TARGET) $(OBJECTS) $(OBJCOMP) $(LIBS)
+
+Makefile: tp4.pro /usr/lib/qt5/mkspecs/linux-g++/qmake.conf /usr/lib/qt5/mkspecs/features/spec_pre.prf \
+		/usr/lib/qt5/mkspecs/common/unix.conf \
+		/usr/lib/qt5/mkspecs/common/linux.conf \
+		/usr/lib/qt5/mkspecs/common/sanitize.conf \
+		/usr/lib/qt5/mkspecs/common/gcc-base.conf \
+		/usr/lib/qt5/mkspecs/common/gcc-base-unix.conf \
+		/usr/lib/qt5/mkspecs/common/g++-base.conf \
+		/usr/lib/qt5/mkspecs/common/g++-unix.conf \
+		/usr/lib/qt5/mkspecs/qconfig.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3danimation.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3danimation_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dcore.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dcore_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dextras.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dextras_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dinput.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dinput_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dlogic.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dlogic_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquick.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquick_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickanimation.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickanimation_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickextras.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickextras_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickinput.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickinput_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickrender.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickrender_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickscene2d.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickscene2d_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3drender.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_3drender_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_accessibility_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_bootstrap_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_concurrent.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_concurrent_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_core.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_core_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_dbus.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_dbus_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_devicediscovery_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_edid_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_egl_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_eglfs_kms_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_eglfsdeviceintegration_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_eventdispatcher_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_fb_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_fontdatabase_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_glx_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_gui.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_gui_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_input_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_kms_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_linuxaccessibility_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_network.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_network_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_opengl.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_opengl_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_openglextensions.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_openglextensions_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_packetprotocol_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_platformcompositor_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_printsupport.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_printsupport_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qml.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qml_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qmldebug_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qmldevtools_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qmltest.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_qmltest_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quick.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quick_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quickparticles_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quickshapes_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quickwidgets.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_quickwidgets_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_service_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_sql.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_sql_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_testlib.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_testlib_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_theme_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_vulkan_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_widgets.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_widgets_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_xcb_qpa_lib_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_xkbcommon_support_private.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_xml.pri \
+		/usr/lib/qt5/mkspecs/modules/qt_lib_xml_private.pri \
+		/usr/lib/qt5/mkspecs/features/qt_functions.prf \
+		/usr/lib/qt5/mkspecs/features/qt_config.prf \
+		/usr/lib/qt5/mkspecs/linux-g++/qmake.conf \
+		/usr/lib/qt5/mkspecs/features/spec_post.prf \
+		.qmake.stash \
+		/usr/lib/qt5/mkspecs/features/exclusive_builds.prf \
+		/usr/lib/qt5/mkspecs/features/toolchain.prf \
+		/usr/lib/qt5/mkspecs/features/default_pre.prf \
+		/usr/lib/qt5/mkspecs/features/resolve_config.prf \
+		/usr/lib/qt5/mkspecs/features/default_post.prf \
+		/usr/lib/qt5/mkspecs/features/warn_on.prf \
+		/usr/lib/qt5/mkspecs/features/qt.prf \
+		/usr/lib/qt5/mkspecs/features/resources.prf \
+		/usr/lib/qt5/mkspecs/features/moc.prf \
+		/usr/lib/qt5/mkspecs/features/unix/opengl.prf \
+		/usr/lib/qt5/mkspecs/features/uic.prf \
+		/usr/lib/qt5/mkspecs/features/unix/thread.prf \
+		/usr/lib/qt5/mkspecs/features/qmake_use.prf \
+		/usr/lib/qt5/mkspecs/features/file_copies.prf \
+		/usr/lib/qt5/mkspecs/features/testcase_targets.prf \
+		/usr/lib/qt5/mkspecs/features/exceptions.prf \
+		/usr/lib/qt5/mkspecs/features/yacc.prf \
+		/usr/lib/qt5/mkspecs/features/lex.prf \
+		tp4.pro \
+		tp4.qrc
+	$(QMAKE) -o Makefile tp4.pro
+/usr/lib/qt5/mkspecs/features/spec_pre.prf:
+/usr/lib/qt5/mkspecs/common/unix.conf:
+/usr/lib/qt5/mkspecs/common/linux.conf:
+/usr/lib/qt5/mkspecs/common/sanitize.conf:
+/usr/lib/qt5/mkspecs/common/gcc-base.conf:
+/usr/lib/qt5/mkspecs/common/gcc-base-unix.conf:
+/usr/lib/qt5/mkspecs/common/g++-base.conf:
+/usr/lib/qt5/mkspecs/common/g++-unix.conf:
+/usr/lib/qt5/mkspecs/qconfig.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3danimation.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3danimation_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dcore.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dcore_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dextras.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dextras_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dinput.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dinput_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dlogic.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dlogic_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquick.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquick_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickanimation.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickanimation_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickextras.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickextras_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickinput.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickinput_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickrender.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickrender_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickscene2d.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3dquickscene2d_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3drender.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_3drender_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_accessibility_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_bootstrap_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_concurrent.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_concurrent_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_core.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_core_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_dbus.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_dbus_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_devicediscovery_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_edid_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_egl_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_eglfs_kms_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_eglfsdeviceintegration_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_eventdispatcher_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_fb_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_fontdatabase_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_glx_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_gui.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_gui_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_input_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_kms_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_linuxaccessibility_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_network.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_network_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_opengl.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_opengl_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_openglextensions.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_openglextensions_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_packetprotocol_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_platformcompositor_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_printsupport.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_printsupport_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_qml.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_qml_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_qmldebug_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_qmldevtools_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_qmltest.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_qmltest_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_quick.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_quick_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_quickparticles_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_quickshapes_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_quickwidgets.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_quickwidgets_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_service_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_sql.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_sql_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_testlib.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_testlib_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_theme_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_vulkan_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_widgets.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_widgets_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_xcb_qpa_lib_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_xkbcommon_support_private.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_xml.pri:
+/usr/lib/qt5/mkspecs/modules/qt_lib_xml_private.pri:
+/usr/lib/qt5/mkspecs/features/qt_functions.prf:
+/usr/lib/qt5/mkspecs/features/qt_config.prf:
+/usr/lib/qt5/mkspecs/linux-g++/qmake.conf:
+/usr/lib/qt5/mkspecs/features/spec_post.prf:
+.qmake.stash:
+/usr/lib/qt5/mkspecs/features/exclusive_builds.prf:
+/usr/lib/qt5/mkspecs/features/toolchain.prf:
+/usr/lib/qt5/mkspecs/features/default_pre.prf:
+/usr/lib/qt5/mkspecs/features/resolve_config.prf:
+/usr/lib/qt5/mkspecs/features/default_post.prf:
+/usr/lib/qt5/mkspecs/features/warn_on.prf:
+/usr/lib/qt5/mkspecs/features/qt.prf:
+/usr/lib/qt5/mkspecs/features/resources.prf:
+/usr/lib/qt5/mkspecs/features/moc.prf:
+/usr/lib/qt5/mkspecs/features/unix/opengl.prf:
+/usr/lib/qt5/mkspecs/features/uic.prf:
+/usr/lib/qt5/mkspecs/features/unix/thread.prf:
+/usr/lib/qt5/mkspecs/features/qmake_use.prf:
+/usr/lib/qt5/mkspecs/features/file_copies.prf:
+/usr/lib/qt5/mkspecs/features/testcase_targets.prf:
+/usr/lib/qt5/mkspecs/features/exceptions.prf:
+/usr/lib/qt5/mkspecs/features/yacc.prf:
+/usr/lib/qt5/mkspecs/features/lex.prf:
+tp4.pro:
+tp4.qrc:
+qmake: FORCE
+	@$(QMAKE) -o Makefile tp4.pro
+
+qmake_all: FORCE
+
+
+all: Makefile tp4
+
+dist: distdir FORCE
+	(cd `dirname $(DISTDIR)` && $(TAR) $(DISTNAME).tar $(DISTNAME) && $(COMPRESS) $(DISTNAME).tar) && $(MOVE) `dirname $(DISTDIR)`/$(DISTNAME).tar.gz . && $(DEL_FILE) -r $(DISTDIR)
+
+distdir: FORCE
+	@test -d $(DISTDIR) || mkdir -p $(DISTDIR)
+	$(COPY_FILE) --parents $(DIST) $(DISTDIR)/
+	$(COPY_FILE) --parents tp4.qrc $(DISTDIR)/
+	$(COPY_FILE) --parents /usr/lib/qt5/mkspecs/features/data/dummy.cpp $(DISTDIR)/
+	$(COPY_FILE) --parents princ.h glarea.h scene.h cylinder.h settingsdialog.h propslider.h $(DISTDIR)/
+	$(COPY_FILE) --parents main.cpp princ.cpp glarea.cpp cylinder.cpp scene.cpp settingsdialog.cpp propslider.cpp $(DISTDIR)/
+	$(COPY_FILE) --parents princ.ui settingsdialog.ui $(DISTDIR)/
+
+
+clean: compiler_clean 
+	-$(DEL_FILE) $(OBJECTS)
+	-$(DEL_FILE) *~ core *.core
+
+
+distclean: clean 
+	-$(DEL_FILE) $(TARGET) 
+	-$(DEL_FILE) .qmake.stash
+	-$(DEL_FILE) Makefile
+
+
+####### Sub-libraries
+
+mocclean: compiler_moc_header_clean compiler_moc_objc_header_clean compiler_moc_source_clean
+
+mocables: compiler_moc_header_make_all compiler_moc_objc_header_make_all compiler_moc_source_make_all
+
+check: first
+
+benchmark: first
+
+compiler_rcc_make_all: qrc_tp4.cpp
+compiler_rcc_clean:
+	-$(DEL_FILE) qrc_tp4.cpp
+qrc_tp4.cpp: tp4.qrc \
+		/usr/lib/qt5/bin/rcc \
+		basic.vsh \
+		basic.fsh
+	/usr/lib/qt5/bin/rcc -name tp4 tp4.qrc -o qrc_tp4.cpp
+
+compiler_moc_predefs_make_all: moc_predefs.h
+compiler_moc_predefs_clean:
+	-$(DEL_FILE) moc_predefs.h
+moc_predefs.h: /usr/lib/qt5/mkspecs/features/data/dummy.cpp
+	g++ -pipe -g -std=gnu++1y -Wall -W -dM -E -o moc_predefs.h /usr/lib/qt5/mkspecs/features/data/dummy.cpp
+
+compiler_moc_header_make_all: moc_princ.cpp moc_glarea.cpp moc_settingsdialog.cpp moc_propslider.cpp
+compiler_moc_header_clean:
+	-$(DEL_FILE) moc_princ.cpp moc_glarea.cpp moc_settingsdialog.cpp moc_propslider.cpp
+moc_princ.cpp: princ.h \
+		ui_princ.h \
+		glarea.h \
+		scene.h \
+		cylinder.h \
+		settingsdialog.h \
+		ui_settingsdialog.h \
+		propslider.h \
+		moc_predefs.h \
+		/usr/lib/qt5/bin/moc
+	/usr/lib/qt5/bin/moc $(DEFINES) --include /home/papush/m1/pg/tp4/tp4/moc_predefs.h -I/usr/lib/qt5/mkspecs/linux-g++ -I/home/papush/m1/pg/tp4/tp4 -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/include/c++/9.2.0 -I/usr/include/c++/9.2.0/x86_64-unknown-linux-gnu -I/usr/include/c++/9.2.0/backward -I/usr/lib/gcc/x86_64-unknown-linux-gnu/9.2.0/include -I/usr/local/include -I/usr/lib/gcc/x86_64-unknown-linux-gnu/9.2.0/include-fixed -I/usr/include princ.h -o moc_princ.cpp
+
+moc_glarea.cpp: glarea.h \
+		scene.h \
+		cylinder.h \
+		moc_predefs.h \
+		/usr/lib/qt5/bin/moc
+	/usr/lib/qt5/bin/moc $(DEFINES) --include /home/papush/m1/pg/tp4/tp4/moc_predefs.h -I/usr/lib/qt5/mkspecs/linux-g++ -I/home/papush/m1/pg/tp4/tp4 -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/include/c++/9.2.0 -I/usr/include/c++/9.2.0/x86_64-unknown-linux-gnu -I/usr/include/c++/9.2.0/backward -I/usr/lib/gcc/x86_64-unknown-linux-gnu/9.2.0/include -I/usr/local/include -I/usr/lib/gcc/x86_64-unknown-linux-gnu/9.2.0/include-fixed -I/usr/include glarea.h -o moc_glarea.cpp
+
+moc_settingsdialog.cpp: settingsdialog.h \
+		ui_settingsdialog.h \
+		propslider.h \
+		glarea.h \
+		scene.h \
+		cylinder.h \
+		moc_predefs.h \
+		/usr/lib/qt5/bin/moc
+	/usr/lib/qt5/bin/moc $(DEFINES) --include /home/papush/m1/pg/tp4/tp4/moc_predefs.h -I/usr/lib/qt5/mkspecs/linux-g++ -I/home/papush/m1/pg/tp4/tp4 -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/include/c++/9.2.0 -I/usr/include/c++/9.2.0/x86_64-unknown-linux-gnu -I/usr/include/c++/9.2.0/backward -I/usr/lib/gcc/x86_64-unknown-linux-gnu/9.2.0/include -I/usr/local/include -I/usr/lib/gcc/x86_64-unknown-linux-gnu/9.2.0/include-fixed -I/usr/include settingsdialog.h -o moc_settingsdialog.cpp
+
+moc_propslider.cpp: propslider.h \
+		moc_predefs.h \
+		/usr/lib/qt5/bin/moc
+	/usr/lib/qt5/bin/moc $(DEFINES) --include /home/papush/m1/pg/tp4/tp4/moc_predefs.h -I/usr/lib/qt5/mkspecs/linux-g++ -I/home/papush/m1/pg/tp4/tp4 -I/usr/include/qt5 -I/usr/include/qt5/QtWidgets -I/usr/include/qt5/QtGui -I/usr/include/qt5/QtCore -I/usr/include/c++/9.2.0 -I/usr/include/c++/9.2.0/x86_64-unknown-linux-gnu -I/usr/include/c++/9.2.0/backward -I/usr/lib/gcc/x86_64-unknown-linux-gnu/9.2.0/include -I/usr/local/include -I/usr/lib/gcc/x86_64-unknown-linux-gnu/9.2.0/include-fixed -I/usr/include propslider.h -o moc_propslider.cpp
+
+compiler_moc_objc_header_make_all:
+compiler_moc_objc_header_clean:
+compiler_moc_source_make_all:
+compiler_moc_source_clean:
+compiler_uic_make_all: ui_princ.h ui_settingsdialog.h
+compiler_uic_clean:
+	-$(DEL_FILE) ui_princ.h ui_settingsdialog.h
+ui_princ.h: princ.ui \
+		/usr/lib/qt5/bin/uic \
+		glarea.h \
+		scene.h \
+		cylinder.h
+	/usr/lib/qt5/bin/uic princ.ui -o ui_princ.h
+
+ui_settingsdialog.h: settingsdialog.ui \
+		/usr/lib/qt5/bin/uic \
+		propslider.h
+	/usr/lib/qt5/bin/uic settingsdialog.ui -o ui_settingsdialog.h
+
+compiler_yacc_decl_make_all:
+compiler_yacc_decl_clean:
+compiler_yacc_impl_make_all:
+compiler_yacc_impl_clean:
+compiler_lex_make_all:
+compiler_lex_clean:
+compiler_clean: compiler_rcc_clean compiler_moc_predefs_clean compiler_moc_header_clean compiler_uic_clean 
+
+####### Compile
+
+main.o: main.cpp princ.h \
+		ui_princ.h \
+		glarea.h \
+		scene.h \
+		cylinder.h \
+		settingsdialog.h \
+		ui_settingsdialog.h \
+		propslider.h
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o main.o main.cpp
+
+princ.o: princ.cpp princ.h \
+		ui_princ.h \
+		glarea.h \
+		scene.h \
+		cylinder.h \
+		settingsdialog.h \
+		ui_settingsdialog.h \
+		propslider.h
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o princ.o princ.cpp
+
+glarea.o: glarea.cpp glarea.h \
+		scene.h \
+		cylinder.h
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o glarea.o glarea.cpp
+
+cylinder.o: cylinder.cpp cylinder.h
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o cylinder.o cylinder.cpp
+
+scene.o: scene.cpp scene.h \
+		cylinder.h
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o scene.o scene.cpp
+
+settingsdialog.o: settingsdialog.cpp settingsdialog.h \
+		ui_settingsdialog.h \
+		propslider.h \
+		glarea.h \
+		scene.h \
+		cylinder.h
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o settingsdialog.o settingsdialog.cpp
+
+propslider.o: propslider.cpp propslider.h
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o propslider.o propslider.cpp
+
+qrc_tp4.o: qrc_tp4.cpp 
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o qrc_tp4.o qrc_tp4.cpp
+
+moc_princ.o: moc_princ.cpp 
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o moc_princ.o moc_princ.cpp
+
+moc_glarea.o: moc_glarea.cpp 
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o moc_glarea.o moc_glarea.cpp
+
+moc_settingsdialog.o: moc_settingsdialog.cpp 
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o moc_settingsdialog.o moc_settingsdialog.cpp
+
+moc_propslider.o: moc_propslider.cpp 
+	$(CXX) -c $(CXXFLAGS) $(INCPATH) -o moc_propslider.o moc_propslider.cpp
+
+####### Install
+
+install:  FORCE
+
+uninstall:  FORCE
+
+FORCE:
+
diff --git a/basic.fsh b/basic.fsh
new file mode 100644
index 0000000..862c7e1
--- /dev/null
+++ b/basic.fsh
@@ -0,0 +1,5 @@
+varying lowp vec4 col;
+
+void main() {
+   gl_FragColor = col;
+}
diff --git a/basic.vsh b/basic.vsh
new file mode 100644
index 0000000..5c642fb
--- /dev/null
+++ b/basic.vsh
@@ -0,0 +1,9 @@
+attribute highp vec4 posAttr;
+attribute lowp vec4 colAttr;
+varying lowp vec4 col;
+uniform highp mat4 matrix;
+
+void main() {
+   col = colAttr;
+   gl_Position = matrix * posAttr;
+}
diff --git a/cylinder.cpp b/cylinder.cpp
new file mode 100644
index 0000000..370b145
--- /dev/null
+++ b/cylinder.cpp
@@ -0,0 +1,100 @@
+#include <cylinder.h>
+#include <QDebug>
+
+using namespace std;
+
+
+static void push_vertex(vector<GLfloat> &verts,
+						GLfloat x, GLfloat y, GLfloat z,
+						Color c) {
+	verts.push_back(x);
+	verts.push_back(y);
+	verts.push_back(z);
+	verts.push_back(c.r);
+	verts.push_back(c.g);
+	verts.push_back(c.b);
+}
+
+
+Cylinder::Cylinder(float ep, float r, unsigned nb_fac, Color c)
+	:ep(ep),
+	 r(r),
+	 nb_fac(nb_fac),
+	 c(c),
+	 angle(2*M_PI/nb_fac),
+	 face_size(nb_fac * 3),
+	 side_size((nb_fac+1) * 2)
+{
+	vector<GLfloat> verts((2*face_size + side_size) * 3 * 2);
+	build_faces(verts);
+	build_side(verts);
+	vbo.create();
+	qDebug() << "verts.size() " << verts.size()
+			 << "nb_fac:" << nb_fac
+			 << "face_size:" << face_size
+			 << "side_size:" << side_size;
+	vbo.bind();
+	vbo.allocate(verts.data(), verts.size() * sizeof (GLfloat));
+	vbo.release();
+}
+
+
+
+void Cylinder::build_face(float z, vector<GLfloat> &verts)
+{
+	Color color(c);
+	for (unsigned j = 0; j < nb_fac; j++) {
+		push_vertex(verts, 0, 0, z, color);
+		push_vertex(verts, cos(angle*j) * r, sin(angle*j) * r, z, color);
+		push_vertex(verts, cos(angle*(j+1)) * r, sin(angle*(j+1)) * r, z, color);
+		if (j % (nb_fac/4) == 0) {
+			if (j % (nb_fac/2) == 0) {
+				color.r *= .8;
+				color.g *= .8;
+				color.b *= .8;
+			}
+			else {
+				color = c;
+			}
+		}
+	}
+}
+
+
+void Cylinder::build_faces(vector<GLfloat> &verts)
+{
+	build_face(-ep/2, verts);
+	build_face(ep/2, verts);
+}
+
+
+void Cylinder::build_side(vector<GLfloat> &verts)
+{
+	Color color(c.r*.7, c.g*.7, c.b*.7);
+	for (unsigned i = 0; i < nb_fac+1; i++) {
+		push_vertex(verts, cos(angle*i) * r, sin(angle*i) * r, -ep/2, color);
+		push_vertex(verts, cos(angle*i) * r, sin(angle*i) * r, ep/2, color);
+	}
+}
+
+
+void Cylinder::draw(QOpenGLFunctions &f, int pos, int col)
+{
+	vbo.bind();
+	f.glEnableVertexAttribArray(pos);
+	f.glVertexAttribPointer(pos, 3, GL_FLOAT, GL_FALSE,
+							3 * sizeof (GLfloat),
+							nullptr);
+	f.glEnableVertexAttribArray(col);
+	f.glVertexAttribPointer(col, 3, GL_FLOAT, GL_FALSE,
+							3 * sizeof (GLfloat),
+							(void *) (3 * sizeof (GLfloat)));
+	f.glDrawArrays(GL_TRIANGLES, 0, face_size);
+	f.glDrawArrays(GL_TRIANGLES, face_size, face_size);
+	f.glDrawArrays(GL_QUAD_STRIP,
+				   face_size * 2,
+				   side_size);
+	f.glDisableVertexAttribArray(pos);
+	f.glDisableVertexAttribArray(col);
+	vbo.release();
+}
diff --git a/cylinder.h b/cylinder.h
new file mode 100644
index 0000000..643b109
--- /dev/null
+++ b/cylinder.h
@@ -0,0 +1,43 @@
+#ifndef CYLINDER_HPP
+#define CYLINDER_HPP
+
+#include <GL/glu.h>
+#include <math.h>
+#include <array>
+#include <QOpenGLFunctions>
+#include <QOpenGLBuffer>
+#include <vector>
+
+
+struct Color
+{
+	float r;
+	float g;
+	float b;
+
+	Color(float r, float g, float b) :r(r), g(g), b(b) {};
+};
+
+
+struct Cylinder
+{
+	float ep;
+	float r;
+	unsigned nb_fac;
+	Color c;
+	float angle;
+
+	size_t face_size;
+	size_t side_size;
+
+	QOpenGLBuffer vbo;
+
+	Cylinder(float ep, float r, unsigned nb_fac, Color c);
+
+	void build_face(float z, std::vector<GLfloat> &verts);
+	void build_faces(std::vector<GLfloat> &verts);
+	void build_side(std::vector<GLfloat> &verts);
+	void draw(QOpenGLFunctions &f, int pos, int col);
+};
+
+#endif
diff --git a/glarea.cpp b/glarea.cpp
new file mode 100644
index 0000000..2356791
--- /dev/null
+++ b/glarea.cpp
@@ -0,0 +1,182 @@
+// CC-BY Edouard.Thiel@univ-amu.fr - 22/01/2019
+
+#include "glarea.h"
+#include <QDebug>
+#include <QSurfaceFormat>
+#include <QMatrix4x4>
+#include <stdio.h>
+
+static const QString vertexShaderFile   = ":/basic.vsh";
+static const QString fragmentShaderFile = ":/basic.fsh";
+
+
+GLArea::GLArea(QWidget *parent) :
+    QOpenGLWidget(parent)
+{
+    qDebug() << "init GLArea" ;
+    QSurfaceFormat sf;
+    sf.setDepthBufferSize(24);
+    sf.setSamples(16);
+    setFormat(sf);
+    qDebug() << "Depth is"<< format().depthBufferSize();
+    setEnabled(true); // Événements clavier et souris.
+    setFocusPolicy(Qt::StrongFocus); // Accepte focus.
+    setFocus(); // Donne le focus.
+    timer = new QTimer(this);
+    timer->setInterval(16); // ms
+    connect(timer, SIGNAL(timeout()), this, SLOT(onTimeout()));
+}
+
+
+GLArea::~GLArea()
+{
+    qDebug() << "destroy GLArea";
+    delete timer;
+    // Contrairement aux méthodes virtuelles initializeGL, resizeGL et repaintGL,
+    // dans le destructeur le contexte GL n'est pas automatiquement rendu courant.
+    makeCurrent();
+    // ici destructions de ressources GL
+    doneCurrent();
+}
+
+
+void GLArea::initializeGL()
+{
+    qDebug() << __FUNCTION__ ;
+    initializeOpenGLFunctions();
+    glEnable(GL_DEPTH_TEST);
+
+    // Shaders.
+    program = new QOpenGLShaderProgram(this);
+    program->addShaderFromSourceFile
+		(QOpenGLShader::Vertex, vertexShaderFile);
+    program->addShaderFromSourceFile
+		(QOpenGLShader::Fragment, fragmentShaderFile);
+    if (!program->link()) {
+        qWarning("Failed to compile and link shader program:");
+        qWarning() << program->log();
+    }
+    // Récupère identifiants de "variables" dans les shaders.
+    posAttr = program->attributeLocation("posAttr");
+    colAttr = program->attributeLocation("colAttr");
+    matrix_uniform = program->uniformLocation("matrix");
+}
+
+
+void GLArea::resizeGL(int w, int h)
+{
+    qDebug() << __FUNCTION__ << w << h;
+    // C'est fait par défaut
+    glViewport(0, 0, w, h);
+    ratio = (double) w / h;
+    // doProjection();
+}
+
+
+void GLArea::paintGL()
+{
+    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    program->bind(); // active le shader program
+
+    QMatrix4x4 matrix;
+    GLfloat hr = focal_length;
+	GLfloat wr = hr * ratio;
+    matrix.frustum(-wr, wr, -hr, hr, near_clip, far_clip);
+    matrix.translate(0, 0, -distance);
+    matrix.rotate(angle, 0, 1, 0);
+    matrix.rotate(horiz_angle, 0,
+				  cos(vert_angle * 2*M_PI /360),
+				  sin(vert_angle * 2*M_PI /360));
+    matrix.rotate(vert_angle, 1, 0, 0);
+    program->setUniformValue(matrix_uniform, matrix);
+	scene.draw((QOpenGLFunctions&) (*this), program, matrix_uniform,
+				 anim * 360, matrix, posAttr, colAttr);
+    program->release();
+}
+
+
+void GLArea::keyPressEvent(QKeyEvent *ev)
+{
+	QString text = ev->text();
+    switch(ev->key()) {
+	case Qt::Key_A:
+		timer->isActive() ? timer->stop() : timer->start();
+		break;
+	case Qt::Key_Z:
+		setDistance(distance + (text == "z" ? -distance_step : distance_step));
+		break;
+	case Qt::Key_R:
+		setFocalLength(focal_length + (text == "r" ? -focal_length_step : focal_length_step));
+		break;
+	case Qt::Key_N:
+		setNearClip(near_clip + (text == "n" ? -near_clip_step : near_clip_step));
+		break;
+	case Qt::Key_F:
+		setFarClip(far_clip + (text == "f" ? -far_clip_step : far_clip_step));
+		break;
+	case Qt::Key_Space:
+		setAngle(angle + angle_step);
+		update();
+		break;
+    }
+}
+
+
+void GLArea::mousePressEvent(QMouseEvent *ev)
+{
+	mouse_last[0] = ev->x() / (float) width();
+	mouse_last[1] = ev->y() / (float) height();
+}
+
+
+void GLArea::mouseMoveEvent(QMouseEvent *ev)
+{
+	float x = ev->x() / (float) width();
+	float y = ev->y() / (float) height();
+	float dx = x - mouse_last[0];
+	float dy = y - mouse_last[1];
+	horiz_angle += dx * 200;
+	vert_angle += dy * 200;
+	if (vert_angle > 90) vert_angle = 90;
+	if (vert_angle < -90) vert_angle = -90;
+	mouse_last[0] = x;
+	mouse_last[1] = y;
+	update();
+}
+
+
+void GLArea::wheelEvent(QWheelEvent *ev)
+{
+	setDistance(distance - ev->angleDelta().y() / 1000.);
+	update();
+}
+
+
+void GLArea::onTimeout()
+{
+    anim += 0.0001;
+	if (anim > 1) anim--;
+    update();
+}
+
+
+#define SET_VALUE(orig, signal) \
+	qDebug() << "GLArea, setting " #orig " from" << orig << "to" << value; \
+	if (value > orig##_max) value = orig##_max;\
+	if (value < orig##_min) value = orig##_min;\
+	if (value != orig) {\
+		orig = value;\
+		emit signal(orig);\
+		update();\
+	}
+void GLArea::setDistance(double value) { SET_VALUE(distance, distanceChanged); }
+void GLArea::setFocalLength(double value) { SET_VALUE(focal_length, focalLengthChanged); }
+void GLArea::setNearClip(double value) { SET_VALUE(near_clip, nearClipChanged); }
+void GLArea::setFarClip(double value) { SET_VALUE(far_clip, farClipChanged); }
+void GLArea::setAngle(double value)
+{
+	while (value > angle_max) value -= angle_max;
+	while (value < angle_min) value += angle_min;
+	SET_VALUE(angle, angleChanged);
+}
+#undef SET_VALUE
diff --git a/glarea.h b/glarea.h
new file mode 100644
index 0000000..6ecd684
--- /dev/null
+++ b/glarea.h
@@ -0,0 +1,102 @@
+// CC-BY Edouard.Thiel@univ-amu.fr - 22/01/2019
+
+#ifndef GLAREA_H
+#define GLAREA_H
+
+#include <QKeyEvent>
+#include <QTimer>
+#include <QOpenGLWidget>
+#include <QOpenGLFunctions>
+#include <QOpenGLShaderProgram>
+
+#include <scene.h>
+
+
+class GLArea : public QOpenGLWidget,
+               protected QOpenGLFunctions
+{
+    Q_OBJECT
+
+public:
+    explicit GLArea(QWidget *parent = 0);
+    ~GLArea();
+
+	static constexpr double distance_min = 0;
+	static constexpr double distance_max = 5;
+	static constexpr double distance_step = .1;
+
+	static constexpr double focal_length_min = 0;
+	static constexpr double focal_length_max = .2;
+	static constexpr double focal_length_step = .005;
+
+	static constexpr double near_clip_min = 0;
+	static constexpr double near_clip_max = 1;
+	static constexpr double near_clip_step = .05;
+
+	static constexpr double far_clip_min = 2;
+	static constexpr double far_clip_max = 7;
+	static constexpr double far_clip_step = .1;
+
+	static constexpr double angle_min = 0;
+	static constexpr double angle_max = 360;
+	static constexpr double angle_step = 1;
+
+	double getDistance() const { return distance; }
+	double getFocalLength() const { return focal_length; }
+	double getNearClip() const { return near_clip; }
+	double getFarClip() const { return far_clip; }
+	double getAngle() const { return angle; }
+
+
+public slots:
+	void setDistance(double d);
+    void setFocalLength(double f);
+	void setNearClip(double n);
+	void setFarClip(double f);
+	void setAngle(double a);
+
+signals:
+	void distanceChanged(double d);
+    void focalLengthChanged(double f);
+	void nearClipChanged(double n);
+	void farClipChanged(double f);
+	void angleChanged(double a);
+
+protected slots:
+    void onTimeout();
+
+protected:
+    void initializeGL() override;
+    void doProjection();
+    void resizeGL(int w, int h) override;
+    void paintGL() override;
+    void keyPressEvent(QKeyEvent *ev) override;
+    void mousePressEvent(QMouseEvent *ev) override;
+    void mouseMoveEvent(QMouseEvent *ev) override;
+	void wheelEvent(QWheelEvent *ev) override;
+
+private:
+    QTimer *timer = nullptr;
+    double anim = 0;
+    double ratio = 1;
+
+    // Pour utiliser les shaders
+    QOpenGLShaderProgram *program;
+    int posAttr;
+    int colAttr;
+    int matrix_uniform;
+
+	Scene scene;
+
+	float mouse_last[2] = {0, 0};
+	double horiz_angle = 0;
+	double vert_angle = 0;
+
+	double distance = 3;
+	double focal_length = .1;
+	double near_clip = .1;
+	double far_clip = 5;
+	double angle = 0;
+};
+
+#endif // GLAREA_H
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..473287f
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,13 @@
+// CC-BY Edouard.Thiel@univ-amu.fr - 22/01/2019
+
+#include "princ.h"
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    Princ w;
+    w.show();
+
+    return a.exec();
+}
diff --git a/princ.cpp b/princ.cpp
new file mode 100644
index 0000000..44870fa
--- /dev/null
+++ b/princ.cpp
@@ -0,0 +1,16 @@
+// CC-BY Edouard.Thiel@univ-amu.fr - 22/01/2019
+
+#include "princ.h"
+#include <QDebug>
+
+Princ::Princ(QWidget *parent) :
+    QMainWindow(parent)
+{
+    setupUi(this);
+	diag.setGLArea(glarea);
+}
+
+void Princ::showDiag()
+{
+	diag.show();
+}
diff --git a/princ.h b/princ.h
new file mode 100644
index 0000000..9ce0f4d
--- /dev/null
+++ b/princ.h
@@ -0,0 +1,22 @@
+// CC-BY Edouard.Thiel@univ-amu.fr - 22/01/2019
+
+#ifndef PRINC_H
+#define PRINC_H
+
+#include "ui_princ.h"
+
+#include "settingsdialog.h"
+
+class Princ : public QMainWindow, private Ui::Princ
+{
+    Q_OBJECT
+	SettingsDialog diag;
+
+protected slots:
+	void showDiag();
+
+public:
+    explicit Princ(QWidget *parent = 0);
+};
+
+#endif // PRINC_H
diff --git a/princ.ui b/princ.ui
new file mode 100644
index 0000000..82fd071
--- /dev/null
+++ b/princ.ui
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Princ</class>
+ <widget class="QMainWindow" name="Princ">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>405</width>
+    <height>292</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Princ</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <layout class="QVBoxLayout" name="verticalLayout_2">
+    <item>
+     <layout class="QVBoxLayout" name="verticalLayout">
+      <item>
+       <layout class="QHBoxLayout" name="horizontalLayout">
+        <item>
+         <widget class="QPushButton" name="btn_diag">
+          <property name="text">
+           <string>Réglages</string>
+          </property>
+         </widget>
+        </item>
+        <item>
+         <widget class="QPushButton" name="btn_quit">
+          <property name="text">
+           <string>Quit</string>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </item>
+      <item>
+       <widget class="GLArea" name="glarea">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>405</width>
+     <height>20</height>
+    </rect>
+   </property>
+  </widget>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <customwidgets>
+  <customwidget>
+   <class>GLArea</class>
+   <extends>QOpenGLWidget</extends>
+   <header>glarea.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>btn_quit</sender>
+   <signal>clicked()</signal>
+   <receiver>Princ</receiver>
+   <slot>close()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>393</x>
+     <y>53</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>353</x>
+     <y>73</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>btn_diag</sender>
+   <signal>clicked()</signal>
+   <receiver>Princ</receiver>
+   <slot>showDiag()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>101</x>
+     <y>45</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>538</x>
+     <y>167</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>showDiag()</slot>
+ </slots>
+</ui>
diff --git a/propslider.cpp b/propslider.cpp
new file mode 100644
index 0000000..5307ce4
--- /dev/null
+++ b/propslider.cpp
@@ -0,0 +1,63 @@
+#include "propslider.h"
+
+#include <QDebug>
+
+
+PropSlider::PropSlider(QWidget *parent)
+	:QSlider(parent),
+	 mapped_value(mapValue())
+{
+	connect(this, SIGNAL(valueChanged(int)),
+			this, SLOT(setValue(int)));
+}
+
+
+int PropSlider::mapValue() const
+{
+	return (value - min) * maximum() / (max - min);
+}
+
+
+double PropSlider::unmapValue() const
+{
+	return (double) mapped_value * (max - min) / maximum() + min;
+}
+
+
+void PropSlider::setMinimum(double min)
+{
+	this->min = min;
+}
+
+
+void PropSlider::setMaximum(double max)
+{
+	this->max = max;
+	((QSlider *) this)->setMaximum((max-min) / step);
+}
+
+
+void PropSlider::setStep(double step)
+{
+	this->step = step;
+	setMaximum(max);
+}
+
+
+void PropSlider::setValue(double value)
+{
+	qDebug() << "PropSlider, setting from double" << value;
+	this->value = value;
+	((QSlider *) this)->setValue(mapValue());
+}
+
+
+void PropSlider::setValue(int mapped_value) {
+	qDebug() << "PropSlider, setting from int" << mapped_value;
+	if (mapValue() != mapped_value) {
+		qDebug() << "Mapped value changed, transmitting to GLArea";
+		this->mapped_value = mapped_value;
+		this->value = unmapValue();
+		emit valueChanged(this->value);
+	}
+}
diff --git a/propslider.h b/propslider.h
new file mode 100644
index 0000000..a2b71d0
--- /dev/null
+++ b/propslider.h
@@ -0,0 +1,42 @@
+#ifndef PROPSLIDER_H
+#define PROPSLIDER_H
+
+#include <QSlider>
+
+
+/*
+  Widget qui traduit les valeurs entières renvoyées par un QSlider en
+  double pour contrôler une propriété en fonction d’un minimum, d’un
+  maximum et d’un pas.
+ */
+class PropSlider : public QSlider {
+	Q_OBJECT
+
+	double min = 0;
+	double max = 1;
+	double step = .1;
+	double value = .5;
+	int mapped_value;
+
+	int mapValue() const;
+	double unmapValue() const;
+
+  public:
+	PropSlider(QWidget *parent=nullptr);
+	void setMinimum(double min);
+	void setMaximum(double max);
+	void setStep(double step);
+
+  signals:
+	void valueChanged(double value);
+
+  public slots:
+	void setValue(double value);
+
+  private slots:
+	// Connecté au QSlider
+	void setValue(int mapped_value);
+};
+
+
+#endif
diff --git a/scene.cpp b/scene.cpp
new file mode 100644
index 0000000..87a75c4
--- /dev/null
+++ b/scene.cpp
@@ -0,0 +1,91 @@
+#include "scene.h"
+#include <GL/glu.h>
+#include <stack>
+
+using namespace std;
+
+
+Scene::Scene()
+	:volant(.2, .55, 8, Color(.522, .816, 1)),
+	 axe_volant(.6, .06, 6, Color(.522*.5, .816*.5, 1.5)),
+	 manivelle(.2, .115, 8, Color(.078, .718, .078)),
+	 axe_manivelle(.35, .06, 6, Color(.078*.5, .718*.5, .078*.5)),
+	 bague_bielle(.2, .14, 8, Color(.078, .718, .078)),
+	 bague_piston(.2, .115, 8, Color(.69, .11, .69)),
+	 axe_bielle_piston(.36, .06, 6, Color(.69*.5, .11*.5, .69*.5)),
+	 bielle(1.5, .05, 6, Color(.173, .824, .173)),
+	 piston(1.1, .065, 6, Color(.847, .318, .847)),
+	 cylindre(1.2, .15, 8, Color(.702, .424, .286)) {}
+
+
+void Scene::draw(QOpenGLFunctions &f, QOpenGLShaderProgram *prog, int mat_uni,
+				 float alpha, QMatrix4x4 &matrix, int pos, int col)
+{
+	float gh = .45;
+	float xh = gh*cos(alpha);
+	float yh = gh*sin(alpha);
+
+	QMatrix4x4 m, m2;
+
+	/* Volant */
+	m = matrix;
+		matrix.rotate(alpha*360/(2*M_PI), 0, 0, 1);
+		prog->setUniformValue(mat_uni, matrix);
+		volant.draw(f, pos, col);
+		m2 = matrix;
+			matrix.translate(0, 0, -axe_volant.ep/2 + .125);
+			prog->setUniformValue(mat_uni, matrix);
+			axe_volant.draw(f, pos, col);
+		matrix = m2;
+		matrix.translate(gh, 0, axe_manivelle.ep/2);
+		prog->setUniformValue(mat_uni, matrix);
+		axe_manivelle.draw(f, pos, col);
+	matrix = m;
+
+	/* Manivelle */
+	m = matrix;
+		matrix.translate(xh, yh, volant.ep/2+manivelle.ep/2);
+		prog->setUniformValue(mat_uni, matrix);
+		manivelle.draw(f, pos, col);
+	matrix = m;
+
+	float hj = bielle.ep;
+	float xj = xh - sqrtf(hj*hj - powf(gh*sin(alpha), 2));
+	float b = atanf(yh / (xj-xh < 0 ? xj-xh : -xj+xh));
+	m = matrix;
+		matrix.translate(xj, 0, volant.ep/2+manivelle.ep/2);
+		prog->setUniformValue(mat_uni, matrix);
+		bague_bielle.draw(f, pos, col);
+		/* Bielle */
+		m2 = matrix;
+			matrix.rotate(90, 0, 1, 0);
+			matrix.rotate(b*360/(2*M_PI), 1, 0, 0);
+			matrix.translate(0, 0, bielle.ep/2);
+			prog->setUniformValue(mat_uni, matrix);
+			bielle.draw(f, pos, col);
+		matrix = m2;
+		/* Piston */
+		m2 = matrix;
+			matrix.translate(0, 0, axe_bielle_piston.ep/2);
+			prog->setUniformValue(mat_uni, matrix);
+			axe_bielle_piston.draw(f, pos, col);
+			matrix.translate(0, 0, axe_bielle_piston.ep/2 - .15);
+			prog->setUniformValue(mat_uni, matrix);
+			bague_piston.draw(f, pos, col);
+			matrix.rotate(90, 0, 1, 0);
+			matrix.translate(0, 0, -piston.ep/2);
+			prog->setUniformValue(mat_uni, matrix);
+			piston.draw(f, pos, col);
+		matrix = m2;
+	matrix = m;
+
+	/* Cylindre */
+	m = matrix;
+		matrix.translate(-gh-bielle.ep - piston.ep + .3, 0, volant.ep/2
+					 + bague_bielle.ep
+					 + bague_piston.ep/2);
+		matrix.rotate(90, 0, 1, 0);
+		prog->setUniformValue(mat_uni, matrix);
+		cylindre.draw(f, pos, col);
+	matrix = m;
+}
diff --git a/scene.h b/scene.h
new file mode 100644
index 0000000..6aa5687
--- /dev/null
+++ b/scene.h
@@ -0,0 +1,31 @@
+#ifndef SCENE_H
+#define SCENE_H
+
+#include <QMatrix4x4>
+#include <cylinder.h>
+#include <QOpenGLFunctions>
+#include <QOpenGLShaderProgram>
+
+
+class Scene
+{
+public:
+	Scene();
+	void draw(QOpenGLFunctions &f, QOpenGLShaderProgram *prog, int mat_uni,
+			  float alpha, QMatrix4x4 &matrix, int vertices, int colors);
+
+private:
+	Cylinder volant;
+	Cylinder axe_volant;
+	Cylinder manivelle;
+	Cylinder axe_manivelle;
+	Cylinder bague_bielle;
+	Cylinder bague_piston;
+	Cylinder axe_bielle_piston;
+	Cylinder bielle;
+	Cylinder piston;
+	Cylinder cylindre;
+};
+
+
+#endif
diff --git a/settingsdialog.cpp b/settingsdialog.cpp
new file mode 100644
index 0000000..8cbc32e
--- /dev/null
+++ b/settingsdialog.cpp
@@ -0,0 +1,63 @@
+#include "settingsdialog.h"
+
+
+SettingsDialog::SettingsDialog(QWidget *parent)
+   :QDialog(parent)
+{
+	setupUi(this);
+}
+
+
+void SettingsDialog::setGLArea(GLArea *area) {
+	glarea = area;
+
+	// Paramétrage des PropSliders
+	sli_distance->setMinimum(GLArea::distance_min);
+	sli_distance->setStep(GLArea::distance_step);
+	sli_distance->setMaximum(GLArea::distance_max);
+	sli_distance->setValue(glarea->getDistance());
+
+	sli_focal_length->setMinimum(GLArea::focal_length_min);
+	sli_focal_length->setStep(GLArea::focal_length_step);
+	sli_focal_length->setMaximum(GLArea::focal_length_max);
+	sli_focal_length->setValue(glarea->getFocalLength());
+
+	sli_near_clip->setMinimum(GLArea::near_clip_min);
+	sli_near_clip->setStep(GLArea::near_clip_step);
+	sli_near_clip->setMaximum(GLArea::near_clip_max);
+	sli_near_clip->setValue(glarea->getNearClip());
+
+	sli_far_clip->setMinimum(GLArea::far_clip_min);
+	sli_far_clip->setStep(GLArea::far_clip_step);
+	sli_far_clip->setMaximum(GLArea::far_clip_max);
+	sli_far_clip->setValue(glarea->getFarClip());
+
+	sli_angle->setMinimum(GLArea::angle_min);
+	sli_angle->setStep(GLArea::angle_step);
+	sli_angle->setMaximum(GLArea::angle_max);
+	sli_angle->setValue(glarea->getAngle());
+
+	// GLArea -> PropSlider
+	connect(glarea, SIGNAL(distanceChanged(double)),
+			sli_distance, SLOT(setValue(double)));
+	connect(glarea, SIGNAL(focalLengthChanged(double)),
+			sli_focal_length, SLOT(setValue(double)));
+	connect(glarea, SIGNAL(nearClipChanged(double)),
+			sli_near_clip, SLOT(setValue(double)));
+	connect(glarea, SIGNAL(farClipChanged(double)),
+			sli_far_clip, SLOT(setValue(double)));
+	connect(glarea, SIGNAL(angleChanged(double)),
+			sli_angle, SLOT(setValue(double)));
+
+	// PropSlider -> GLArea
+	connect(sli_distance, SIGNAL(valueChanged(double)),
+			glarea, SLOT(setDistance(double)));
+	connect(sli_focal_length, SIGNAL(valueChanged(double)),
+			glarea, SLOT(setFocalLength(double)));
+	connect(sli_near_clip, SIGNAL(valueChanged(double)),
+			glarea, SLOT(setNearClip(double)));
+	connect(sli_far_clip, SIGNAL(valueChanged(double)),
+			glarea, SLOT(setFarClip(double)));
+	connect(sli_angle, SIGNAL(valueChanged(double)),
+			glarea, SLOT(setAngle(double)));
+}
diff --git a/settingsdialog.h b/settingsdialog.h
new file mode 100644
index 0000000..b1c2394
--- /dev/null
+++ b/settingsdialog.h
@@ -0,0 +1,34 @@
+#ifndef SETTINGSDIALOG_H
+#define SETTINGSDIALOG_H
+
+#include "ui_settingsdialog.h"
+#include "glarea.h"
+
+class SettingsDialog : public QDialog, private Ui::SettingsDialog
+{
+	Q_OBJECT
+	GLArea *glarea;
+	// static void setupSlider(const Property<double> &p, QSlider *s);
+	// static int rawToSlider(const Property<double> &p);
+	// static double sliderToRaw(const Property<double> &p, int value);
+
+public:
+	explicit SettingsDialog(QWidget *parent = nullptr);
+	void setGLArea(GLArea *area);
+
+// public slots:
+// 	void setDistance(double raw_value);
+// 	void setFocalLength(double raw_value);
+// 	void setNearClip(double raw_value);
+// 	void setFarClip(double raw_value);
+// 	void setAngle(double raw_value);
+
+// protected slots:
+// 	void onSliderDistance(int value);
+// 	void onSliderFocalLength(int value);
+// 	void onSliderNearClip(int value);
+// 	void onSliderFarClip(int value);
+// 	void onSliderAngle(int value);
+};
+
+#endif // SETTINGSDIALOG_H
diff --git a/settingsdialog.ui b/settingsdialog.ui
new file mode 100644
index 0000000..472d56d
--- /dev/null
+++ b/settingsdialog.ui
@@ -0,0 +1,152 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>SettingsDialog</class>
+ <widget class="QDialog" name="SettingsDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="0" column="0">
+      <widget class="PropSlider" name="sli_distance">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1">
+      <widget class="QLabel" name="lbl_distance">
+       <property name="text">
+        <string>Distance (zZ)</string>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="0">
+      <widget class="PropSlider" name="sli_focal_length">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+      </widget>
+     </item>
+     <item row="1" column="1">
+      <widget class="QLabel" name="lbl_focal_length">
+       <property name="text">
+        <string>Focale (rR)</string>
+       </property>
+      </widget>
+     </item>
+     <item row="2" column="0">
+      <widget class="PropSlider" name="sli_near_clip">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+      </widget>
+     </item>
+     <item row="2" column="1">
+      <widget class="QLabel" name="lbl_near_clip">
+       <property name="text">
+        <string>Coupe avant (nN)</string>
+       </property>
+      </widget>
+     </item>
+     <item row="3" column="0">
+      <widget class="PropSlider" name="sli_far_clip">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+      </widget>
+     </item>
+     <item row="3" column="1">
+      <widget class="QLabel" name="lbl_far_clip">
+       <property name="text">
+        <string>Coupe arrière (fF)</string>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="0">
+      <widget class="PropSlider" name="sli_angle">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+      </widget>
+     </item>
+     <item row="4" column="1">
+      <widget class="QLabel" name="lbl_angle">
+       <property name="text">
+        <string>Angle (spc)</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <customwidgets>
+  <customwidget>
+   <class>PropSlider</class>
+   <extends>QSlider</extends>
+   <header>propslider.h</header>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>SettingsDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>227</x>
+     <y>281</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>SettingsDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>295</x>
+     <y>287</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>onSliderDistance(int)</slot>
+  <slot>onSliderFocalLength(int)</slot>
+  <slot>onSliderNearClip(int)</slot>
+  <slot>onSliderFarClip(int)</slot>
+  <slot>onSliderAngle(int)</slot>
+ </slots>
+</ui>
diff --git a/tp4.pro b/tp4.pro
new file mode 100644
index 0000000..f3bd7d5
--- /dev/null
+++ b/tp4.pro
@@ -0,0 +1,30 @@
+QT += core gui
+
+CONFIG += c++14 debug
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = tp4
+TEMPLATE = app
+
+
+SOURCES += main.cpp\
+        princ.cpp \
+        glarea.cpp \
+        cylinder.cpp \
+        scene.cpp \
+        settingsdialog.cpp \
+        propslider.cpp
+
+HEADERS  += princ.h \
+         glarea.h \
+         scene.h \
+         cylinder.h \
+         settingsdialog.h \
+         propslider.h
+
+FORMS += princ.ui \
+    settingsdialog.ui
+
+RESOURCES += \
+    tp4.qrc
diff --git a/tp4.qrc b/tp4.qrc
new file mode 100644
index 0000000..5b369b7
--- /dev/null
+++ b/tp4.qrc
@@ -0,0 +1,6 @@
+<RCC>
+    <qresource prefix="/">
+        <file>basic.fsh</file>
+        <file>basic.vsh</file>
+    </qresource>
+</RCC>