feiyangqingyun/qtkaifajingyan

★ 4,625Audience · developerComplexity · 2/5Setup · moderate

Mindmap

mindmap
  root((qtkaifajingyan))
    What it is
      Qt tips collection
      10 years experience
      Chinese language
    Topics covered
      Compilation speed
      UI widget tricks
      Timer patterns
      Styling controls
    Format
      Numbered list
      C++ snippets
      Personal reference book
    Related resources
      Bilibili videos
      WeChat tutorials
      Commercial Qt products

mindmap root((qtkaifajingyan)) What it is Qt tips collection 10 years experience Chinese language Topics covered Compilation speed UI widget tricks Timer patterns Styling controls Format Numbered list C++ snippets Personal reference book Related resources Bilibili videos WeChat tutorials Commercial Qt products

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Things people build with this

USE CASE 1

Look up a specific Qt UI trick like embedding a search button inside a text field

USE CASE 2

Speed up Qt compilation by following the multi-core build tips

USE CASE 3

Find C++ code snippets for common Qt widget and styling problems without searching the official docs

Tech stack

C++QtQtCreator

Getting it running

Difficulty · moderate Time to first run · 30min

Requires Qt and QtCreator installed, content is in Simplified Chinese.

License not described in the explanation.

In plain English

qtkaifajingyan is a Chinese-language collection of practical tips accumulated by a developer over more than ten years of building applications with Qt, a cross-platform software framework used to create desktop and mobile apps. The repository reads more like a personal reference book than a traditional project: it is a numbered list of lessons, tricks, and workarounds that the author found useful and wanted to preserve. The tips cover a wide range of Qt topics: how to speed up compilation by enabling multi-core builds in QtCreator, how to use timers to avoid blocking the main interface during slow startup operations, how to retrieve the properties and methods of any widget at runtime, how to embed one widget inside another (for example, adding a search button inside a text field), how to set application version numbers and icons via the project file, and how to handle style changes on controls properly. Many tips include short code snippets in C++ to illustrate the point directly. Beyond the tips list, the author also links to related commercial products, including a video monitoring system, a large-screen display system, and an IoT management system, all built with Qt. Downloads and online documentation for those products are available on external sites. Source code for some projects is sold through a Taobao shop. The repository is written entirely in Simplified Chinese and is aimed at Chinese-speaking Qt developers at all levels, from beginners to those doing advanced work. It also links to the author's Bilibili video channel (a Chinese video platform) and a WeChat public account where more tutorials are shared. The full README is longer than what was shown.

Copy-paste prompts

Prompt 1

I am building a Qt desktop app in C++ and want to add a search icon button inside a QLineEdit input field. Show me how to embed one widget inside another like the tips in this repo describe.

Prompt 2

My Qt app freezes during startup while loading data. Based on the timer patterns in this repository, show me how to use QTimer to defer slow initialization away from the main thread.

Prompt 3

Using the QtCreator tips from this repo, set up my .pro project file to enable parallel compilation on all available CPU cores to reduce build times.

Prompt 4

I want to dynamically read all properties and methods of a QWidget subclass at runtime in C++. Show me how to use Qt's meta-object system to do this.

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