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Создание основного окна, функция паузы и функция отрисовки красной точки

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Артём Проскурнёв 3 years ago
parent dcd80f4cc0
commit aafae80a71
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  1. 22
      main.cpp
  2. 27
      qtSimpleGraph.pro
  3. 356
      qtSimpleGraph.pro.user
  4. 3
      qtSimpleGraph_ru_RU.ts
  5. 62
      qtsgraph.cpp
  6. 37
      qtsgraph.h
  7. 22
      qtsgraph.ui

22
main.cpp
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#include "qtsgraph.h"
#include <QApplication>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QTSGraph w(1024,768);
w.show();
return a.exec();
}
void QTSGraph::slotstarttimer()
{
// Тут рисовать
putpixel(100,100);
delay(2000);
putpixel(300,100);
// Конец рисования
starttimer->stop();
}

27
qtSimpleGraph.pro
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QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
CONFIG += c++11
# You can make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
SOURCES += \
main.cpp \
qtsgraph.cpp
HEADERS += \
qtsgraph.h
FORMS += \
qtsgraph.ui
TRANSLATIONS += \
qtSimpleGraph_ru_RU.ts
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

356
qtSimpleGraph.pro.user
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<value type="bool" key="RunConfiguration.UseLibrarySearchPath">true</value>
<value type="bool" key="RunConfiguration.UseMultiProcess">false</value>
<value type="bool" key="RunConfiguration.UseQmlDebugger">false</value>
<value type="bool" key="RunConfiguration.UseQmlDebuggerAuto">true</value>
<value type="QString" key="RunConfiguration.WorkingDirectory"></value>
<value type="QString" key="RunConfiguration.WorkingDirectory.default">/home/tema/temp/build-qtSimpleGraph-Desktop-Debug</value>
</valuemap>
<value type="int" key="ProjectExplorer.Target.RunConfigurationCount">1</value>
</valuemap>
</data>
<data>
<variable>ProjectExplorer.Project.TargetCount</variable>
<value type="int">1</value>
</data>
<data>
<variable>ProjectExplorer.Project.Updater.FileVersion</variable>
<value type="int">22</value>
</data>
<data>
<variable>Version</variable>
<value type="int">22</value>
</data>
</qtcreator>

3
qtSimpleGraph_ru_RU.ts
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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE TS>
<TS version="2.1" language="qtSimpleGraph_ru_RU"></TS>

62
qtsgraph.cpp
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#include "qtsgraph.h"
#include "ui_qtsgraph.h"
void QTSGraph::delay(int ms)
{
QTime dieTime= QTime::currentTime().addMSecs(ms);
while (QTime::currentTime() < dieTime)
QCoreApplication::processEvents(QEventLoop::AllEvents, 100);
}
QTSGraph::QTSGraph(int w, int h, int x, int y, QWidget *parent)
: QMainWindow(parent)
, ui(new Ui::QTSGraph)
{
ui->setupUi(this);
if(x < 0 || y < 0)
{
QDesktopWidget desktop;
QRect rect = desktop.availableGeometry(desktop.primaryScreen()); // прямоугольник с размерами экрана
QPoint center = rect.center(); //координаты центра экрана
x = center.x() - w / 2;
y = center.y() - h / 2;
}
this->setGeometry(x, y, w, h);
this->setWindowTitle("Рисунок");
m_Pixmap = QPixmap(w, h);
m_Pixmap.fill(Qt::white);
starttimer = new QTimer();
connect(starttimer, SIGNAL(timeout()), this, SLOT(slotstarttimer()));
starttimer->start(500);
}
QTSGraph::~QTSGraph()
{
delete ui;
}
void QTSGraph::putpixel(int x, int y, Qt::GlobalColor c)
{
QPainter painter(&m_Pixmap);
painter.setPen(QPen(QBrush(QColor(c)), 5 ));
painter.drawPoint( x, y );
update();
}
void QTSGraph::paintEvent(QPaintEvent *event)
{
QPainter p(this);
p.drawPixmap(0, 0,m_Pixmap);
}
void QTSGraph::mousePressEvent(QMouseEvent *event)
{
if (event->buttons() & Qt::LeftButton)
{
// Левая кнопка
}
else if (event->buttons() & Qt::RightButton)
{
// Правая кнопка
}
}

37
qtsgraph.h
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#include <QMainWindow>
#include <QPainter>
#include <QDesktopWidget>
#include <QBrush>
#include <QFont>
#include <QPen>
#include <QWidget>
#include <QMouseEvent>
#include <QTimer>
#include <QTime>
QT_BEGIN_NAMESPACE
namespace Ui { class QTSGraph; }
QT_END_NAMESPACE
class QTSGraph : public QMainWindow
{
Q_OBJECT
public:
QTSGraph(int w = 640, int h = 480, int x = -1, int y = -1, QWidget *parent = nullptr);
~QTSGraph();
void putpixel(int x, int y, Qt::GlobalColor c = Qt::red);
void delay(int ms = 1000);
private slots:
void slotstarttimer();
private:
Ui::QTSGraph *ui;
QPixmap m_Pixmap;
QTimer *starttimer;
protected:
void paintEvent(QPaintEvent *event) override;
void mousePressEvent(QMouseEvent *event);
};

22
qtsgraph.ui
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<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>QTSGraph</class>
<widget class="QMainWindow" name="QTSGraph">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>800</width>
<height>600</height>
</rect>
</property>
<property name="windowTitle">
<string>QTSGraph</string>
</property>
<widget class="QWidget" name="centralwidget"/>
<widget class="QMenuBar" name="menubar"/>
<widget class="QStatusBar" name="statusbar"/>
</widget>
<resources/>
<connections/>
</ui>
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