Documentation Style for Examples: Difference between revisions

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[[Category:Writing Guidelines]]
This page is obsolete and deprecated. For Qt 6 equivalent, see [[Writing Example Documentation and Tutorials]]
[[Category:Developing Qt::Examples]]
{{LangSwitch}}
This page is part of the [[Qt Writing Guidelines]].
See also:
# [[QDocExamples|Integrating Examples]]  - QDoc configuration
# [[Qt6/Example-Guideline]] - Writing example code
 
 
Qt documentation follows the Qt Project's [https://contribute.qt-project.org/quips QUIP] policy system. The QUIP is authoritative and this page clarifies or adds specific implementation details.
 
==Example Documentation and Tutorials==
 
Qt 6 examples have an accompanying '''documentation'''. This documentation should describe the example's themes and which Qt modules or tools are used. An accompanying image is important to show UI related elements and the expected output should be clear.
 
A '''tutorial''' goes beyond a description, outlining particular steps and highlighting the important parts of the example. The tutorial should ''walk through'' the code and gloss over topics related to Qt. Notes and other information should supplement the walk-through, giving insight and reason for the particular code.
 
Essentially, the '''minimum example documentation''' should contain:
 
# Example page - QDoc's '''\example''' command creates the example page. The \example command specifies the directory.
# Title - QDoc's '''\title''' command. The title should be simple and descriptive
# Brief description - '''\brief''' command and a small description of the example's theme
# Example category - label the example documentation with '''\examplecategory''' to assign it to a membership. For example ''Connectivity'', ''Desktop'', and so on.
# Main body - one or several paragraphs that describe the example's themes and expected behavior
# Running instruction - describe where to find the example (see '''Sample Text: Running Instruction''' section)
# References - add links to related documentation, overview, or other supplementary material
# Licenses - add the '''Commercial/BSD 3 clause license (example code)''' or the '''Commercial/GFDL 1.3 (documentation files)'''
# Image - especially useful for GUI related examples. Qt Creator can show these images as thumbnails.
 
 
The '''minimum tutorial''' fulfills the minimum example documentation, and the following:
 
#Code snippets - show and analyze the code in a granular (line-by-line) or holistic (the principle and goal) way.
#Step-by-step instruction - show the progression from start to finish. A similar style is meal recipes, but do not follow strictly.
#Insight - provide insight to the code structure and Qt usage. A possible reason may be code security, scalability, usability, and so on.
#Verb-focused title - Emphasize the action or verb in the title. Use the '''gerund''', typically ending in ''-ing.'' For example, ''drawing'', ''integrating'', ''handling'', ''processing'', ''and so on.''
 
 
'''The sections below provide sample text for the requirements for example documentation and tutorial'''
 
=== Sample Text: Running Instruction ===
Example documentation and tutorials should outline the requirements and steps for building and running the example. Ideally, Qt Creator can open and launch the example, but some examples may need additional tools or environment.
 
We aim for consistency and the following text is appropriate to inform about running examples from within Qt Creator. Feel free to modify and adapt to the specific example.
 
At the bottom of your example documentation (same area as the '''\page''' command), add:<syntaxhighlight lang="c++" line="">
\include examples-run.qdocinc
</syntaxhighlight>
 
This will include the text (taken from qtbase/doc/global):
 
<syntaxhighlight lang="c++" line="1">
\section1 Running the Example
 
To run the example from \l{Qt Creator Manual}{Qt Creator}, open the Welcome
mode and select the example from Examples. For more information, visit
{Qt Creator: Building and Running an Example}{Building and Running an Example}.
</syntaxhighlight>
 
=== Sample Text: Licenses ===
 
Qt licenses are at the top of the file.
 
For example code, use the '''Commercial/BSD 3 clause license''':
// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
The example documentation and tutorial can be under a specific '''Commercial/GFDL 1.3''' documentation license:
// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
 
== Adding Images ==
Images are useful for demonstrating UI elements and for showing the current state of the example.
 
Follow QUIP-21 for the policy for images.
 
* [https://contribute.qt-project.org/quips/21 QUIP-21] - '''Using images in Qt documentation'''

Latest revision as of 15:25, 20 November 2024

This page is obsolete and deprecated. For Qt 6 equivalent, see Writing Example Documentation and Tutorials

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