Adding .pro option to build w/ webengine.

app/app.pro

@@ -20,14 +20,17 @@ TEMPLATE = app
 
 QT += widgets
 
-# webengine
-#QT += webenginewidgets
-
-# webkit is supposed to be obsoleted by webengine, but webengine is disabled
+# webkit is supposed to be OBSOLETED by webengine, but webengine is disabled
 # on Linux since Qt 5.9 due to its tragic performance > conditional compilation
-# seems to be the only way (webkit on Linux, webengine on Windows)
-QT += webkit
-QT += webkitwidgets
+# seems to be the only way:
+#   - webkit on Linux
+#   - webengine on Windows and macOS
+mfwebengine {
+    QT += webengine
+} else {
+    QT += webkit
+    QT += webkitwidgets
+}
 
 # dependencies
 INCLUDEPATH += $$PWD/../deps/discount

build/make-mf-with-webengine.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+#
+# MindForger thinking notebook
+#
+# Copyright (C) 2016-2018 Martin Dvorak <[email protected]>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# make project w/ QtWebEngine instead QtWebKit
+
+cd ..
+make clean
+qmake -r CONFIG+=mfwebengine mindforger.pro && make -j 8
+
+# eof

build/make-webengine.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+#
+# MindForger thinking notebook
+#
+# Copyright (C) 2016-2018 Martin Dvorak <[email protected]>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# make project w/ QtWebEngine instead QtWebKit
+
+# source http://code.qt.io/cgit/qt/qtwebengine.git/
+#git clone http://code.qt.io/qt/qtwebengine.git
+# choose branch based on Qt version
+#git checkout 5.11
+
+# dependencies
+
+#sudo apt-get install bison build-essential gperf flex ruby python libasound2-dev libbz2-dev libcap-dev libcups2-dev libdrm-dev libegl1-mesa-dev libgcrypt11-dev libnss3-dev libpci-dev libpulse-dev libudev-dev libxtst-dev gyp ninja-build
+#sudo apt-get install libssl-dev libxcursor-dev libxcomposite-dev libxdamage-dev libxrandr-dev libfontconfig1-dev libxss-dev libsrtp0-dev libwebp-dev libjsoncpp-dev libopus-dev libminizip-dev libavutil-dev libavformat-dev libavcodec-dev libevent-dev
+
+# update
+#git submodule update --init
+
+# build
+#qmake -r
+#make -j 8
+#sudo make install
+
+# eof

lib/src/debug.h

@@ -19,7 +19,7 @@
 #ifndef M8R_DEBUG_H_
 #define M8R_DEBUG_H_
 
-//#define DO_M8R_DEBUG
+#define DO_M8R_DEBUG
 
 #ifdef DO_M8R_DEBUG
 #include <chrono>

mindforger.pro.user

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 3.0.1, 2018-05-30T13:42:17. -->
+<!-- Written by QtCreator 3.0.1, 2018-06-04T13:36:42. -->
 <qtcreator>
  <data>
   <variable>ProjectExplorer.Project.ActiveTarget</variable>