Difference between revisions of "Qt/Widgets/LineEdit"
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< Qt
Daviddoria (Talk | contribs) (Created page with '==main.cpp== <source lang="cpp"> #include <QApplication> #include "form.h" int main(int argc, char *argv[]) { QApplication app(argc, argv); MyForm form; form.show(…') |
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Latest revision as of 12:56, 13 February 2011
main.cpp
#include <QApplication> #include "form.h" int main(int argc, char *argv[]) { QApplication app(argc, argv); MyForm form; form.show(); return app.exec(); }
form.cpp
#include <QtGui> #include "form.h" Form::Form(QWidget *parent) : QWidget(parent) { ui.setupUi(this); connect( this->ui.btnUpdate, SIGNAL( clicked() ), this, SLOT(btnUpdate_SetLabelText()) ); connect( this->ui.lineEdit, SIGNAL( returnPressed()), this, SLOT(btnUpdate_SetLabelText()) ); connect( this->ui.lineEdit, SIGNAL( editingFinished()), this, SLOT(btnUpdate_SetLabelText()) ); } void Form::btnUpdate_SetLabelText() { this->ui.label->setText(this->ui.lineEdit->text()); }
form.h
#ifndef FORM_H #define FORM_H #include "ui_form.h" class Form : public QWidget { Q_OBJECT public: Form(QWidget *parent = 0); public slots: void btnUpdate_SetLabelText(); private: Ui::Form ui; }; #endif
main.ui
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>Form</class>
<widget class="QWidget" name="Form">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>400</width>
<height>300</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<widget class="QPushButton" name="btnUpdate">
<property name="geometry">
<rect>
<x>170</x>
<y>120</y>
<width>91</width>
<height>28</height>
</rect>
</property>
<property name="text">
<string>Update</string>
</property>
</widget>
<widget class="QLabel" name="label">
<property name="geometry">
<rect>
<x>170</x>
<y>220</y>
<width>61</width>
<height>18</height>
</rect>
</property>
<property name="text">
<string>TextLabel</string>
</property>
</widget>
<widget class="QLineEdit" name="lineEdit">
<property name="geometry">
<rect>
<x>170</x>
<y>50</y>
<width>113</width>
<height>27</height>
</rect>
</property>
</widget>
</widget>
<resources/>
<connections/>
</ui>CMakeLists.txt
cmake_minimum_required(VERSION 2.6) PROJECT(LineEdit) FIND_PACKAGE(Qt4 REQUIRED) INCLUDE(${QT_USE_FILE}) QT4_WRAP_UI(UISrcs form.ui) QT4_WRAP_CPP(MOCSrcs form.h) include_directories(${include_directories} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}) ADD_EXECUTABLE(LineEdit main.cpp form.h form.cpp ${MOCSrcs} ${UISrcs}) TARGET_LINK_LIBRARIES(LineEdit ${QT_LIBRARIES})
