Qt/Widgets/MessageBoxFromThread - Revision history

Daviddoria at 01:27, 29 November 2010

2010-11-29T01:27:59Z

Daviddoria at 01:20, 29 November 2010

2010-11-29T01:20:16Z

Daviddoria at 23:10, 28 November 2010

2010-11-28T23:10:21Z

Daviddoria at 19:35, 28 November 2010

2010-11-28T19:35:02Z

Daviddoria at 19:32, 28 November 2010

2010-11-28T19:32:52Z

Daviddoria: Created page with '==MessageBoxFromThread.cxx== #include #include #include #include class MyThread : public QThread { public…'

2010-11-28T19:16:39Z

Created page with '==MessageBoxFromThread.cxx== <source lang="cpp"> #include <QThread> #include <QMessageBox> #include <QApplication> #include <iostream> class MyThread : public QThread { public…'

New page

==MessageBoxFromThread.cxx==
<source lang="cpp">
#include <QThread>
#include <QMessageBox>
#include <QApplication>

#include <iostream>

class MyThread : public QThread
{

public:

virtual void run();
};

void MyThread::run()
{
std::cout << "Message box from thread" << std::endl;

QMessageBox msgBox;
msgBox.setText("Test Text");
msgBox.exec();
}

int main(int argc, char*argv[])
{
QApplication app(argc, argv);

MyThread a;
a.start();

return app.exec();
}
</source>

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

PROJECT(ThreadMessageBox)

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

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

ADD_EXECUTABLE(ThreadMessageBox ThreadMessageBox.cpp)# ${MOCSrcs} ${UISrcs})
TARGET_LINK_LIBRARIES(ThreadMessageBox ${QT_LIBRARIES})

</source>

← Older revision		Revision as of 01:27, 29 November 2010
Line 1:		Line 1:
−	~~This example is currently broken.~~
−
	==MessageBoxFromThread.cxx==		==MessageBoxFromThread.cxx==
	<source lang="cpp">		<source lang="cpp">

@@ Line 29: / Line 29: @@
 class Thread : public QThread
+{
+Q_OBJECT
 public:
-   virtual void run();
+   void run();
 signals:
    void DisplayMessageBoxSignal();
@@ Line 92: / Line 93: @@
    setupUi(this);
    connect( this->pushButton, SIGNAL( clicked() ), this, SLOT(pushButton_clicked()) );
-   connect( this->MyThread, SIGNAL( Thread::DisplayMessageBoxSignal() ), this, SLOT(DisplayMessageBoxSlot()) );
+   connect( &(this->MyThread), SIGNAL( DisplayMessageBoxSignal() ), this, SLOT(DisplayMessageBoxSlot()) );
+}
 void Form::pushButton_clicked()
+{
-   Thread a;
+   MyThread.start();
-  a.start();
+}

@@ Line 1: / Line 1: @@
 This example is currently broken.
 ==MessageBoxFromThread.cxx==
@@ Line 11: / Line 8: @@
 #include "form.h"
-#include "thread.h"
-−
 int main(int argc, char*argv[])
+{
@@ Line 35: / Line 31: @@
 public:
    virtual void run();
 };
@@ Line 51: / Line 49: @@
 void Thread::run()
+{
-   std::cout << "Message box from thread" << std::endl;
+   std::cout << "Thread::run()" << std::endl;
+   emit DisplayMessageBoxSignal();
-  QMessageBox msgBox;
-  msgBox.setText("Test Text");
-  msgBox.exec();
-−
+}
 </source>
@@ Line 67: / Line 61: @@
 #include <QWidget>
 #include "ui_form.h"
 class Form : public QWidget, private Ui::Form
@@ Line 76: / Line 71: @@
 public slots:
      void pushButton_clicked();
 };
@@ Line 84: / Line 83: @@
 ==form.cpp==
 <source lang="cpp">
 #include "form.h"
 #include "thread.h"
@@ Line 91: / Line 92: @@
    setupUi(this);
    connect( this->pushButton, SIGNAL( clicked() ), this, SLOT(pushButton_clicked()) );
+}
@@ Line 99: / Line 101: @@
+}
+void Form::DisplayMessageBoxSlot()
-−
+{
 </source>

← Older revision		Revision as of 19:35, 28 November 2010
Line 1:		Line 1:
		+	This example is currently broken.
		+
		+	QThread: Destroyed while thread is still running
		+
		+
	==MessageBoxFromThread.cxx==		==MessageBoxFromThread.cxx==
	<source lang="cpp">		<source lang="cpp">

@@ Line 1: / Line 1: @@
 ==MessageBoxFromThread.cxx==
 <source lang="cpp">
 #include <QApplication>
 #include <iostream>
-class MyThread : public QThread
+#include "form.h"
+{
@@ Line 15: / Line 34: @@
 };
-void MyThread::run()
+#endif
+{
    std::cout << "Message box from thread" << std::endl;
@@ Line 22: / Line 51: @@
    msgBox.setText("Test Text");
    msgBox.exec();
+}
+</source>
-int main(int argc, char*argv[])
+{
-  QApplication app(argc, argv);
+    Q_OBJECT
-  MyThread a;
+public slots:
-  a.start();
+    void pushButton_clicked();
-  return app.exec();
+#endif
+}
 </source>
@@ Line 39: / Line 139: @@
 cmake_minimum_required(VERSION 2.6)
-PROJECT(ThreadMessageBox)
+PROJECT(MessageBoxFromThread)
 FIND_PACKAGE(Qt4 REQUIRED)
 INCLUDE(${QT_USE_FILE})
 include_directories(${include_directories} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR})
-ADD_EXECUTABLE(ThreadMessageBox ThreadMessageBox.cpp)# ${MOCSrcs} ${UISrcs})
+ADD_EXECUTABLE(MessageBoxFromThread MessageBoxFromThread.cpp form.cpp thread.cpp ${MOCSrcs} ${UISrcs})
-TARGET_LINK_LIBRARIES(ThreadMessageBox ${QT_LIBRARIES})
+TARGET_LINK_LIBRARIES(MessageBoxFromThread ${QT_LIBRARIES})
 </source>