改成Qwidget

QW/.gitignore

@@ -0,0 +1,73 @@
+# This file is used to ignore files which are generated
+# ----------------------------------------------------------------------------
+
+*~
+*.autosave
+*.a
+*.core
+*.moc
+*.o
+*.obj
+*.orig
+*.rej
+*.so
+*.so.*
+*_pch.h.cpp
+*_resource.rc
+*.qm
+.#*
+*.*#
+core
+!core/
+tags
+.DS_Store
+.directory
+*.debug
+Makefile*
+*.prl
+*.app
+moc_*.cpp
+ui_*.h
+qrc_*.cpp
+Thumbs.db
+*.res
+*.rc
+/.qmake.cache
+/.qmake.stash
+
+# qtcreator generated files
+*.pro.user*
+
+# xemacs temporary files
+*.flc
+
+# Vim temporary files
+.*.swp
+
+# Visual Studio generated files
+*.ib_pdb_index
+*.idb
+*.ilk
+*.pdb
+*.sln
+*.suo
+*.vcproj
+*vcproj.*.*.user
+*.ncb
+*.sdf
+*.opensdf
+*.vcxproj
+*vcxproj.*
+
+# MinGW generated files
+*.Debug
+*.Release
+
+# Python byte code
+*.pyc
+
+# Binaries
+# --------
+*.dll
+*.exe
+

QW/QW.pro

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+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# The following define makes your compiler emit warnings if you use
+# any Qt feature that has been marked deprecated (the exact warnings
+# depend on your compiler). Please consult the documentation of the
+# deprecated API in order to know how to port your code away from it.
+DEFINES += QT_DEPRECATED_WARNINGS
+
+# You can also make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES += \
+    main.cpp \
+    widget.cpp
+
+HEADERS += \
+    widget.h
+
+FORMS += \
+    widget.ui
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target

QW/main.cpp

@@ -0,0 +1,11 @@
+#include "widget.h"
+
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    Widget w;
+    w.show();
+    return a.exec();
+}

QW/widget.cpp

@@ -0,0 +1,102 @@
+#include "widget.h"
+#include "ui_widget.h"
+#include <QPainter>
+#include <QPen>
+#include <QBrush>
+#include <QTimer>
+
+struct care
+{
+    int num;
+    long color;
+
+};
+
+care car[10][10];
+
+Widget::Widget(QWidget *parent)
+    : QWidget(parent)
+    , ui(new Ui::Widget)
+{
+    ui->setupUi(this);
+    QTimer *mainrun;
+
+
+    for(int y=0;y<10;y++)
+    {
+        for(int x=0;x<10;x++)
+        {
+            car[y][x].color=0xffffff;
+            car[y][x].num=0;
+        }
+
+    }
+
+    mainrun = new QTimer(this);
+    connect(mainrun,&QTimer::timeout,this,&Widget::mainrun_timeout);
+    mainrun->start(1);
+}
+
+Widget::~Widget()
+{
+    delete ui;
+}
+
+void Widget::paintEvent(QPaintEvent *)
+{
+    //QPainter p(this); //方法1 创建画家对象 并指定绘图设备
+
+
+    /*
+     *方法2 创建画家对象
+     *通过bggin指定绘图设备
+     *中间做绘图操作
+     *结尾需要end结束
+     */
+    QPainter p;
+    p.begin(this);
+
+
+    //定义画笔
+    QPen pen;
+    QBrush brush;//创建笔刷
+
+
+
+
+
+
+    pen.setWidth(1);//设置线宽
+    pen.setColor(QColor(28,28,28));          //常用颜色
+    pen.setStyle(Qt::SolidLine);    //设置风格
+    p.setPen(pen);              //将画笔给画家
+
+    brush.setStyle(Qt::SolidPattern);//设定笔刷样式
+
+
+
+
+#define car_size 80
+    for(int y=0;y<10;y++)
+    {
+        for(int x=0;x<10;x++)
+        {
+            brush.setColor(car[y][x].color); //设定笔刷
+            p.setBrush(brush);          //笔刷交给画家
+            p.drawRect(x*car_size,y*car_size,car_size,car_size);
+        }
+
+    }
+
+
+
+
+
+    p.end();
+
+}
+
+void Widget::mainrun_timeout()
+{
+    Widget::update();
+}

QW/widget.h

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+#ifndef WIDGET_H
+#define WIDGET_H
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+namespace Ui { class Widget; }
+QT_END_NAMESPACE
+
+class Widget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    Widget(QWidget *parent = nullptr);
+    ~Widget();
+    void mainrun_timeout();
+protected:
+    //重写绘图事件  虚函数
+    //如果在窗口绘图，必须放在绘图事件里实现
+    //绘图事件内部会自动调用，窗口需要重绘的时候（状态改变）
+    void paintEvent(QPaintEvent *);
+private:
+    Ui::Widget *ui;
+};
+#endif // WIDGET_H

QW/widget.ui

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+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Widget</class>
+ <widget class="QWidget" name="Widget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Widget</string>
+  </property>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>