Qt/Widgets/Timer - Revision history

Daviddoria: Undo revision 5098 by Daviddoria (Talk) Oops, changed wrong page.

2011-12-16T15:12:16Z

Undo revision 5098 by Daviddoria (Talk) Oops, changed wrong page.

Daviddoria: Do not subclass QThread.

2011-12-16T15:11:04Z

Do not subclass QThread.

Daviddoria: /* CMakeLists.txt */

2010-11-07T00:26:53Z

‎CMakeLists.txt

Daviddoria: Created page with '==Timer.cpp== #include #include #include "form.h" int main( int argc, char **argv ) { QApplication app(argc, argv); Mai…'

2010-06-29T12:47:27Z

Created page with '==Timer.cpp== <source lang="cpp"> #include <QProgressDialog> #include <QApplication> #include "form.h" int main( int argc, char **argv ) { QApplication app(argc, argv); Mai…'

New page

==Timer.cpp==
<source lang="cpp">
#include <QProgressDialog>
#include <QApplication>

#include "form.h"

int main( int argc, char **argv )
{
QApplication app(argc, argv);
MainWindow window;

window.show();

return app.exec();
}

</source>

==form.cpp==
<source lang="cpp">
#include <QtGui>
//#include <qtimer.h>
#include <QTimer>

#include "form.h"
#include <iostream>

MainWindow::MainWindow()
{
ui.setupUi(this);
}

void MainWindow::on_btnStart_clicked()
{
std::cout << "button clicked." << std::endl;

//QTimer* timer = new QTimer(this);
connect(&timer, SIGNAL(timeout()), this, SLOT(TimerEvent()));
this->timer.start(1000);

//QProgressDialog dialog;
this->dialog.setMaximum(0);
this->dialog.setMinimum(0);
this->dialog.exec();

}

void MainWindow::TimerEvent()
{
std::cout << "Timer expired." << std::endl;
this->dialog.cancel();
this->timer.stop();
}
</source>

==form.h==
<source lang="cpp">
#ifndef BUTTONFORM_H
#define BUTTONFORM_H

#include "ui_main.h"

//class QTimer;
#include <QTimer>
//class QProgressDialog;
#include <QProgressDialog>

//class MainWindow : public QWidget
class MainWindow : public QMainWindow
{
Q_OBJECT

public:
MainWindow();

public slots:
void on_btnStart_clicked();
void TimerEvent();

private:
Ui::MainWindow ui;
//QTimer* timer = new QTimer(this);
QTimer timer;
QProgressDialog dialog;
};

#endif

</source>

==main.ui==
<source lang="text">
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>MainWindow</class>
<widget class="QMainWindow" name="MainWindow">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>205</width>
<height>169</height>
</rect>
</property>
<property name="windowTitle">
<string>MainWindow</string>
</property>
<widget class="QWidget" name="centralwidget">
<widget class="QPushButton" name="btnStart">
<property name="geometry">
<rect>
<x>60</x>
<y>90</y>
<width>91</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>Start</string>
</property>
</widget>
</widget>
</widget>
<resources/>
<connections/>
</ui>
</source>

==CMakeLists.txt==
<source lang="text">
cmake_minimum_required(VERSION 2.6)

PROJECT(Timer)

FIND_PACKAGE(Qt4 REQUIRED)
INCLUDE(${QT_USE_FILE})

QT4_WRAP_UI(UISrcs main.ui)
QT4_WRAP_CPP(MOCSrcs form.h)

include_directories(${include_directories} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})

ADD_EXECUTABLE(Timer Timer.cpp form.h form.cpp ${UISrcs} ${MOCSrcs})
TARGET_LINK_LIBRARIES(Timer ${QT_LIBRARIES})

</source>

@@ Line 21: / Line 21: @@
 <source lang="cpp">
 #include <QtGui>
-#include <QImage>
+//#include <qtimer.h>
 #include "form.h"
 #include <iostream>
-Form::Form(QWidget *parent)
+MainWindow::MainWindow()
-    : QWidget(parent)
+{
-   setupUi(this);
+   ui.setupUi(this);
+}
-void Form::on_btnOpen_clicked()
+void MainWindow::on_btnStart_clicked()
+{
-   QThread* thread = new QThread;
+   std::cout << "button clicked." << std::endl;
-−
-   MyClass* myClass = new MyClass;
+   //QTimer* timer = new QTimer(this);
-  myClass->moveToThread(thread);
+   connect(&timer, SIGNAL(timeout()), this, SLOT(TimerEvent()));
-   connect(thread, SIGNAL(started()), myClass, SLOT(start()));
+   this->timer.start(1000);
-   connect(myClass, SIGNAL(finished()), thread, SLOT(quit()));
-   thread->start();
+  //QProgressDialog dialog;
-   //a->wait();
+  this->dialog.setMaximum(0);
+}
+void MainWindow::TimerEvent()
 </source>
 ==form.h==
 <source lang="cpp">
-#ifndef FORM_H
+#ifndef BUTTONFORM_H
-#define FORM_H
+#define BUTTONFORM_H
-#include "ui_form.h"
+#include "ui_main.h"
-class Form : public QWidget, private Ui::Form
+//class QTimer;
+#include <QTimer>
-Q_OBJECT
+//class QProgressDialog;
-public slots:
+//class MainWindow : public QWidget
+class MainWindow : public QMainWindow
-  void on_btnOpen_clicked();
 public:
-    Form(QWidget *parent = 0);
+  MainWindow();
 };

@@ Line 129: / Line 129: @@
 ==CMakeLists.txt==
-<source lang="text">
+<source lang="cmake">
 cmake_minimum_required(VERSION 2.6)