Embedded System Development Notes 81: Using Dialog component to design prompt dialog box

Preface

   This article introduces... On the basis of the previous article “ How to use PyQt Of Dialog Component design prompt dialog box ”, We will build a Dialog Dialog box , Then place on top Combo Box and Push Button Components , And give Push Button Establish signals and slots , Last , We will also talk about how to use the main interface （Main Window） open Dialog Methods . After learning this chapter , You will gain the following skills .
  （1） stay Qt Designer To establish Dialog Dialog box
  （2） stay Qt Designer Set up signals and slots for components
  （3） Reference... In the application Dialog Dialog box
  （4） Call and display... In the main form Dialog Dialog box
  （5） Modal dialog
  （6） The window size cannot be changed

   Supplement to basic knowledge , May refer to Integrated development of embedded system special column

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《 Integrated practice of embedded system 》 Series column Introduction

  《 Integrated practice of embedded system 》 A series of columns will be published in 《 Integrated development of embedded system 》 Based on the column , The knowledge of embedded system development is systematically introduced in the form of actual combat 、 Skill 、 Skills and sublimated design ideas .

   The author strives to make every small column under this series of columns self-contained , Complete a real project practice , Solve the actual needs of a real application . Topics involved in this column , It all comes from the author's years of project practice .

   This column series covers the following body of knowledge ：Ubuntu、Python、STM32、C++、VSCode、CPLD、