Daviddoria at 13:58, 12 September 2012

2012-09-12T13:58:57Z

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

2012-09-12T13:58:35Z

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

New page

==main.cpp==
<source lang="cpp">
#include <QApplication>

#include "form.h"

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

form.show();
return app.exec();
}

</source>

==form.h==
</source>
#ifndef FORM_H
#define FORM_H

#include "ui_form.h"

class QGraphicsPixmapItem;

class Form : public QWidget, public Ui::Form
{
Q_OBJECT

public:
Form(QWidget *parent = 0);
protected:

void resizeEvent ( QResizeEvent * event );

QGraphicsPixmapItem* BlackItem;
};

#endif
</source>

==form.cpp==
<source lang="cpp">
#include <QtGui>

#include <iostream>

#include "form.h"

Form::Form(QWidget *parent) : QWidget(parent)
{
this->setupUi(this);

QGraphicsScene* scene = new QGraphicsScene;

//// Add a qpixmap to the scene.
QPixmap pixmap(40, 40);
QColor black(0,0,0);
pixmap.fill(black);
this->BlackItem = scene->addPixmap(pixmap);
//this->graphicsView->fitInView(blackItem);

//Add another qpixmap to the scene. Drag one of them around and watch the scene change.
QPixmap pixmap2(30, 30);
QColor red(255,0,0);
pixmap2.fill(red);
QGraphicsPixmapItem * redItem = scene->addPixmap(pixmap2);
redItem->setFlag(QGraphicsItem::ItemIsMovable);

scene->setSceneRect(pixmap.rect());
this->graphicsView->setScene(scene);
}

void Form::resizeEvent ( QResizeEvent * event )
{
std::cout << "ResizeEvent" << std::endl;
this->graphicsView->fitInView(this->BlackItem);
}

</source>

==form.ui==
<source lang="text">
<?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>312</width>
<height>243</height>
</rect>
</property>
<property name="windowTitle">
<string>Form</string>
</property>
<layout class="QGridLayout" name="gridLayout">
<item row="0" column="0">
<widget class="QGraphicsView" name="graphicsView">
<property name="backgroundBrush">
<brush brushstyle="NoBrush">
<color alpha="255">
<red>0</red>
<green>0</green>
<blue>0</blue>
</color>
</brush>
</property>
</widget>
</item>
</layout>
</widget>
<resources/>
<connections/>
</ui>

</source>

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

PROJECT(ResizeEvent)

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(ResizeEvent main.cpp form.h form.cpp ${MOCSrcs} ${UISrcs})
TARGET_LINK_LIBRARIES(ResizeEvent ${QT_LIBRARIES})

</source>

@@ Line 17: / Line 17: @@
 ==form.h==
-</source>
+<source lang="cpp">
 #ifndef FORM_H
 #define FORM_H

Qt/Events/Resize - Revision history

Daviddoria at 13:58, 12 September 2012

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