Import LinuxCNC source tree

lib/python/qtvcp/designer/README.txt

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+Installation requirements for using QtVCP screens and panels.
+
+All the requirements listed below can be installed by using the install_script located in the same directory as this file.
+
+Recommended packages for viewing QtVCP screens or panels:
+gstreamer1.0-tools
+espeak
+espeak-ng
+sound-theme-freedesktop
+python3-qtpy
+python3-opengl
+python3-pyqt5
+python3-pyqt5.qsci
+python3-pyqt5.qtsvg
+python3-pyqt5.qtopengl
+python3-opencv
+python3-dbus
+python3-dbus.mainloop.pyqt5
+python3-espeak
+python3-pyqt5.qtwebengine
+python3-xlib
+python3-numpy
+python3-cairo
+python3-gi-cairo
+python3-poppler-qt5
+pyqt5-dev-tools
+
+-------------------------------------------------------------------------------
+
+Below are requirements for using Designer to edit or create new QtVCP screens or panels:
+
+Required packages:
+qttools5-dev
+qttools5-dev-tools
+libpython3-dev
+
+To enable LinuxCNC specific widgets to appear in Designer:
+
+1. Create the plugin directory for designer to search:
+    mkdir -p ~/.designer/plugins/python
+
+2. Copy the <pluginfile> to the above directory:
+    cp <pluginfile> ~/.designer/plugins/python/
+
+The <pluginfile> is dependent on the type of LinuxCNC installation.
+
+For a package installation:
+    /usr/lib/python3/dist-packages/qtvcp/plugins/qtvcp_plugin.py
+
+For a RIP installation:
+    ~/linuxcnc-dev/lib/python/qtvcp/plugins/qtvcp_plugin.py
+
+Designer can now be run and the LinuxCNC widgets will be available.
+
+For a RIP install only:
+    source ~/linuxcnc-dev/scripts/rip-environment
+
+Start designer with:
+    designer -qt=5