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Make example a bit more verbose

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This commit is contained in:
Maurice Kalinowski 2017-01-19 13:41:23 +01:00
parent d67f06e583
commit b0d17c2196
3 changed files with 132 additions and 19 deletions
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46
examples/mqtt/simpleclient/mainwindow.cpp
View File

@ -1,13 +1,9 @@
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QtCore/QDateTime>
#include <QtMqtt/QMqttClient>
// http://test.mosquitto.org/
//const QString TEST_HOST("test.mosquitto.org");
const QString TEST_HOST("hostprocess.de");
const quint16 TEST_PORT = 1883;
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
@ -15,8 +11,16 @@ MainWindow::MainWindow(QWidget *parent) :
ui->setupUi(this);
m_client = new QMqttClient(this);
m_client->setHostname(TEST_HOST);
m_client->setPort(TEST_PORT);
m_client->setHostname(ui->lineEditHost->text());
m_client->setPort(ui->spinBoxPort->value());
connect(m_client, &QMqttClient::stateChanged, this, &MainWindow::updateLogStateChange);
connect(m_client, &QMqttClient::disconnected, this, &MainWindow::brokerDisconnected);
connect(ui->lineEditHost, &QLineEdit::textChanged, m_client, &QMqttClient::setHostname);
//connect(ui->spinBoxPort, &QSpinBox::valueChanged, m_client, &QMqttClient::setPort);
connect(ui->spinBoxPort, SIGNAL(valueChanged(int)), m_client, SLOT(setPort(quint16)));
updateLogStateChange();
}
MainWindow::~MainWindow()
@ -26,10 +30,36 @@ MainWindow::~MainWindow()
void MainWindow::on_buttonConnect_clicked()
{
m_client->connectToHost();
if (m_client->state() == QMqttClient::Disconnected) {
ui->lineEditHost->setEnabled(false);
ui->spinBoxPort->setEnabled(false);
ui->buttonConnect->setText(tr("Disconnect"));
m_client->connectToHost();
} else {
ui->lineEditHost->setEnabled(true);
ui->spinBoxPort->setEnabled(true);
ui->buttonConnect->setText(tr("Connect"));
m_client->disconnectFromHost();
}
}
void MainWindow::on_buttonQuit_clicked()
{
QApplication::quit();
}
void MainWindow::updateLogStateChange()
{
const QString content = QDateTime::currentDateTime().toString()
+ QLatin1String(": State Change")
+ QString::number(m_client->state())
+ QLatin1Char('\n');
ui->editLog->insertPlainText(content);
}
void MainWindow::brokerDisconnected()
{
ui->lineEditHost->setEnabled(true);
ui->spinBoxPort->setEnabled(true);
ui->buttonConnect->setText(tr("Connect"));
}

3
examples/mqtt/simpleclient/mainwindow.h
View File

@ -20,6 +20,9 @@ public:
private slots:
void on_buttonConnect_clicked();
void on_buttonQuit_clicked();
void updateLogStateChange();
void brokerDisconnected();
private:
Ui::MainWindow *ui;

102
examples/mqtt/simpleclient/mainwindow.ui
View File

@ -6,8 +6,8 @@
<rect>
<x>0</x>
<y>0</y>
<width>400</width>
<height>300</height>
<width>492</width>
<height>445</height>
</rect>
</property>
<property name="windowTitle">
@ -16,18 +16,86 @@
<widget class="QWidget" name="centralWidget">
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QPushButton" name="buttonConnect">
<property name="text">
<string>Connect</string>
<layout class="QHBoxLayout" name="horizontalLayout">
<item>
<layout class="QFormLayout" name="formLayout">
<item row="0" column="0">
<widget class="QLabel" name="label">
<property name="text">
<string>Host:</string>
</property>
</widget>
</item>
<item row="0" column="1">
<widget class="QLineEdit" name="lineEditHost">
<property name="text">
<string>hostprocess.de</string>
</property>
</widget>
</item>
<item row="2" column="0">
<widget class="QLabel" name="label_2">
<property name="text">
<string>Port:</string>
</property>
</widget>
</item>
<item row="2" column="1">
<widget class="QSpinBox" name="spinBoxPort">
<property name="maximum">
<number>99999</number>
</property>
<property name="value">
<number>1883</number>
</property>
</widget>
</item>
</layout>
</item>
<item>
<widget class="QPushButton" name="buttonConnect">
<property name="text">
<string>Connect</string>
</property>
</widget>
</item>
</layout>
</item>
<item>
<widget class="QGroupBox" name="groupBox">
<property name="title">
<string>Log Messages</string>
</property>
<layout class="QHBoxLayout" name="horizontalLayout_2">
<item>
<widget class="QPlainTextEdit" name="editLog"/>
</item>
</layout>
</widget>
</item>
<item>
<widget class="QPushButton" name="buttonQuit">
<property name="text">
<string>Quit</string>
</property>
</widget>
<layout class="QHBoxLayout" name="horizontalLayout_3">
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QPushButton" name="buttonQuit">
<property name="text">
<string>Quit</string>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</widget>
@ -36,10 +104,17 @@
<rect>
<x>0</x>
<y>0</y>
<width>400</width>
<width>492</width>
<height>21</height>
</rect>
</property>
<widget class="QMenu" name="menuFile">
<property name="title">
<string>File</string>
</property>
<addaction name="actionQuit"/>
</widget>
<addaction name="menuFile"/>
</widget>
<widget class="QToolBar" name="mainToolBar">
<attribute name="toolBarArea">
@ -50,6 +125,11 @@
</attribute>
</widget>
<widget class="QStatusBar" name="statusBar"/>
<action name="actionQuit">
<property name="text">
<string>Quit</string>
</property>
</action>
</widget>
<layoutdefault spacing="6" margin="11"/>
<resources/>