Difference between revisions of "Qt/Widgets/Thread"
From ProgrammingExamples
< Qt
Daviddoria (Talk | contribs) |
Daviddoria (Talk | contribs) |
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| Line 1: | Line 1: | ||
| − | == | + | ==form.h== |
<source lang="cpp"> | <source lang="cpp"> | ||
| − | # | + | #ifndef FORM_H |
| + | #define FORM_H | ||
| − | class | + | #include "ui_form.h" |
| + | |||
| + | class Form : public QWidget, private Ui::Form | ||
{ | { | ||
| + | Q_OBJECT | ||
| + | |||
| + | public slots: | ||
| + | |||
| + | void on_btnOpen_clicked(); | ||
public: | public: | ||
| + | Form(QWidget *parent = 0); | ||
| − | |||
}; | }; | ||
| − | + | #endif | |
| + | |||
| + | </source> | ||
| + | |||
| + | ==form.cpp== | ||
| + | <source lang="cpp"> | ||
| + | #include <QtGui> | ||
| + | #include <QImage> | ||
| + | |||
| + | #include "form.h" | ||
| + | #include "MyClass.h" | ||
| + | |||
| + | #include <iostream> | ||
| + | |||
| + | Form::Form(QWidget *parent) | ||
| + | : QWidget(parent) | ||
{ | { | ||
| − | + | setupUi(this); | |
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
} | } | ||
| − | + | void Form::on_btnOpen_clicked() | |
{ | { | ||
| − | + | QThread* thread = new QThread; | |
| − | + | ||
| − | + | MyClass* myClass = new MyClass; | |
| − | + | myClass->moveToThread(thread); | |
| − | + | connect(thread, SIGNAL(started()), myClass, SLOT(start())); | |
| − | + | connect(myClass, SIGNAL(finished()), thread, SLOT(quit())); | |
| + | thread->start(); | ||
| + | //a->wait(); | ||
| − | return | + | std::cout << "exit." << std::endl; |
| + | } | ||
| + | |||
| + | </source> | ||
| + | |||
| + | ==Thread.cxx== | ||
| + | <source lang="cpp"> | ||
| + | #include <QApplication> | ||
| + | #include <QObject> | ||
| + | #include <QThread> | ||
| + | |||
| + | #include <iostream> | ||
| + | |||
| + | #include "form.h" | ||
| + | |||
| + | int main(int argc, char*argv[]) | ||
| + | { | ||
| + | QApplication app(argc, argv); | ||
| + | |||
| + | Form form; | ||
| + | |||
| + | form.show(); | ||
| + | |||
| + | return app.exec(); | ||
} | } | ||
</source> | </source> | ||
Latest revision as of 11:13, 16 December 2011
Contents
form.h
#ifndef FORM_H #define FORM_H #include "ui_form.h" class Form : public QWidget, private Ui::Form { Q_OBJECT public slots: void on_btnOpen_clicked(); public: Form(QWidget *parent = 0); }; #endif
form.cpp
#include <QtGui> #include <QImage> #include "form.h" #include "MyClass.h" #include <iostream> Form::Form(QWidget *parent) : QWidget(parent) { setupUi(this); } void Form::on_btnOpen_clicked() { QThread* thread = new QThread; MyClass* myClass = new MyClass; myClass->moveToThread(thread); connect(thread, SIGNAL(started()), myClass, SLOT(start())); connect(myClass, SIGNAL(finished()), thread, SLOT(quit())); thread->start(); //a->wait(); std::cout << "exit." << std::endl; }
Thread.cxx
#include <QApplication> #include <QObject> #include <QThread> #include <iostream> #include "form.h" int main(int argc, char*argv[]) { QApplication app(argc, argv); Form form; form.show(); return app.exec(); }
CMakeLists.txt
cmake_minimum_required(VERSION 2.6) PROJECT(Thread) FIND_PACKAGE(Qt4 REQUIRED) INCLUDE(${QT_USE_FILE}) include_directories(${include_directories} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}) ADD_EXECUTABLE(Thread Thread.cpp)# ${MOCSrcs} ${UISrcs}) TARGET_LINK_LIBRARIES(Thread ${QT_LIBRARIES})
