/QT-practice

some Qt project for practice

Primary LanguageC++

QT practice

几个自己做的QT小项目。包括

  • Calculator 计算器

  • QPaintist 画板

  • IM 局域网通讯

Calculator

  1. preview 展示

  2. contents 项目结构

  • calculator.pro
  • calculator.pro.user
  • header file/
    • expression.h
    • widget.h
  • source file/
    • expression.cpp
    • widget.cpp
  • assests
    • icon.qrc
    • icon.rc
    • app.ico

expression.h & expression.cpp : convert expression into values

string exp = "1+2*(3-4)"
Expression * e = new Expression(exp);
string res = e -> getValue();
  1. functions
  • record history
  • consecutive calculation

QPaintist

  1. preview

  2. contents

  • QPaintist.pro

  • QPaintist.pro.user

  • header file/

    • canvas.h
    • widget.h

  • source file/

    • canvas.cpp
    • widget.cpp

  • assests/

    • icon.qrc

    • circle.png

    • clear.png

    • line.png

    • penColor.png

    • penWeight.png

    • polygon.png

    • square.png canvas.h & canvas.cpp : provide painting area

  1. functions
  • paint
  • add basic shape, such as line, circle, polygon, square and etc.

IM

  1. preview
  • login dialog
  • chat widget
  • file transfer

  1. contents

  2. functions

  • Instant message based on UDP (chat with one & group chat)
  • file transfer based on TCP
  • record chat history