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rem deploy Qt Virtual Keyboard to project Build Directory

set qtdir=C:\Qt\5.9.5\msvc2015_64
set builddir=C:\Development\qt\build\x86_64

%qtdir%\bin\windeployqt.exe %builddir%\App.exe

copy /Y %qtdir%\bin\Qt5Qml.dll %builddir%
copy /Y %qtdir%\bin\Qt5Quick.dll %builddir%
copy /Y %qtdir%\plugins\platforminputcontexts\qtvirtualkeyboardplugin.dll %builddir%

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#include "richtextdelegate.h"

#include <QPainter>
#include <QTextDocument>

RichTextDelegate::RichTextDelegate(QObject *parent) : QStyledItemDelegate(parent)
{
}

void RichTextDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const

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#include "checkboxdelegate.h"

#include <QApplication>

CheckBoxDelegate::CheckBoxDelegate(QObject *parent) : QStyledItemDelegate(parent), scale(1.1) {}

void CheckBoxDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
    QRect rect(option.rect.left() / scale, option.rect.top() / scale, option.rect.width() / scale, option.rect.height() / scale);
    painter->save();

jniemann66

Reference

https://doc.rust-lang.org/stable/reference/

Resources

awesome rust

Rust for Systems Programmers

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Goertzel Algorithm

wikipedia

Goertzel Crate

Implementation of Spectrum A nalyzer using GOERTZEL Algorithm

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https://bugreports.qt.io/browse/QTCREATORBUG-20771

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#include "swipetoeditdelegate.h"
#include <QApplication>
#include <QDebug>
#include <QMouseEvent>
#include <QTextDocument>

SwipeToEditDelegate::SwipeToEditDelegate(QObject* parent) : QStyledItemDelegate(parent), minRectWidth(10), activationThreshold(0.5), color("red")
{

}

jniemann66

#include "printjson.h"

#include <QJsonObject>
#include <QJsonValue>
#include <QJsonArray>
#include <QVariant>
#include <QTextStream>
#include <QRegularExpression>

QString sprintJson(const QJsonValue& jsonValue, int maxLength, int indentLevel) {

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QString printJSON(const QJsonValue& jsonValue, int maxLength, int indentLevel) {
	static const QString indent{QStringLiteral("  ")};
	static const QString cn{QStringLiteral(",\n")};
	QString whiteSpace(indent.repeated(indentLevel));

	switch(jsonValue.type()) {
	case QJsonValue::Object:
	{
		QStringList values;
		QJsonObject o = jsonValue.toObject();

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// LongPress: event filter Object for detecting Mouse pressed down for 1 second or more
// when triggered, it executes callback function supplied in the constructor

// usage:
/* 
	someButton->installEventFilter(new LongPress(this, [this] {
		// do some stuff
	}));
*/