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Qt-Advanced-Stylesheets

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Advanced Stylesheets with Theming Support for Qt

// repository documentation

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------------------

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Advanced Stylesheets with Theming Support for Qt.

- Original Repository: https://github.com/githubuser0xFFFF/Qt-Advanced-Stylesheets
- [What's new](https://github.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/releases/latest)
- [Documentation](doc/user-guide.md)

The library allows runtime color switching for CSS stylesheet themes including
SVG resources and SVG icons. The image below shows switching of accent color
and switching between dark and light theme. Notice how the icons in the left 
sidebar change color when switching between dark and light theme.

![color_switching](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/doc/CETONI_Elements_Styling.gif)

The main features are:

- runtime switching of CSS colors
- runtime color switching of CSS SVG icons / resources
- runtime color switching of theme aware icons loaded via `loadThemeAwareSvgIcon()`
- runtime switching of QPalette colors
- definition of CSS styles that switch the complete application design
- definition of XML color themes that allow switching of theme colors (dark / light)
- switching of individual theme color or switching of accent color
- QML support

If you run the `full_features` example, then you can test the functionality. 
There are some custom dark themes:

![dark](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/doc/qt_material_dark.gif)

And light:

![light](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/doc/qt_material_light.gif)

The library allows you to create stylesheets that contain variables that are
replaced at runtime like in this example:

```css
QComboBox:disabled {
  color: {{primaryColor|opacity(0.2)}};
  background-color: {{secondaryColor|opacity(0.75)}};
  border-bottom: 2px solid {{primaryColor|opacity(0.2)}};
}

QComboBox::drop-down {
  border: none;
  color: {{primaryColor}};
  width: 20px;
}
```

## Navigation

- [Navigation](#navigation)
- [Features](#features)
  - [Theme-aware Icons](#theme-aware-icons)
- [Build](#build)
- [Getting started](#getting-started)
- [Run examples](#run-examples)
- [Python Support](#python-support)
- [Future Plans](#future-plans)
- [License information](#license-information)
- [Credits](#credits)
- [Donation](#donation)
- [Showcase](#showcase)
  - [CETONI Elements](#cetoni-elements)

## Features

### Theme-aware Icons

The library supports loading of theme-aware SVG icons.

```cpp
AdvancedStylesheet.loadThemeAwareSvgIcon(":/app/images/progress.svg");
```

This allows runtime color switching of application icons like in the
toolbar below.

![Theme Aware Icon](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/doc/theme_aware_icons.gif)

## Build

Open the `acss.pro` file with QtCreator and start the build, that's it.
You can run the example projects and test it yourself.

## Getting started

Have look into the file `CMainWindow` in the full_features example to learn
ho to use the `CStyleManager`. Here are the basic steps to add the style
manager to your application:

```cpp
QString AppDir = qApp->applicationDirPath();
QtAdvancedStylesheet AdvancedStylesheet;

// first set the directory that contains all your styles
AdvancedStylesheet.setStylesDirPath(AppDir + "/../../styles");

// now set the output folder where the processed styles are stored. The
// style manager will create a sub directory for each style
AdvancedStylesheet.setOutputDirPath(AppDir + "/output");

// set the current style and select a theme. After these two calls, the output
// folder will contains the generated resoruces and stylesheet.
AdvancedStylesheet.setCurrentStyle("qt_material");
AdvancedStylesheet.setCurrentTheme("dark_teal");

// now you can set the generated stylesheet
qApp->setStyleSheet(StyleManager.styleSheet());
```

## Run examples

The `full_features` example shows a window with almost all widgets to test all 
themes and create new ones.

![theme](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/doc/theme.gif)

## Python Support

![Python Logo](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/doc/python_logo.png)

There is a Python implementation for this library available [qtass-pyside6 - Qt Advanced Stylesheets for PySide6](https://pypi.org/project/qtass-pyside6/).

The library can be installed via pip:

```shell
pip install qtass-pyside6
```

The source code is available on GitHub:

https://github.com/githubuser0xFFFF/qtass-pyside6

## Future Plans

The idea is to merge my [QtFluentDesign](https://github.com/githubuser0xFFFF/QtFluentDesign) project into this project to create a nice Windows 11 style that can dynamically
adapt to the Windows accent color and to the Window dark and light theme.

![light](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/doc/qt_fluent.png)

## License information

[![License: LGPL v2.1](https://img.shields.io/badge/License-LGPL%20v2.1-blue.svg)](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/gnu-lgpl-v2.1.md)
This project uses the [LGPLv2.1 license](gnu-lgpl-v2.1.md) for the source code.
The stylesheets use individual licenses which are located in the directory of
the corresponding style.

## Credits

- Uwe Kindler, Project Maintainer
- [GCPDS](https://github.com/UN-GCPDS) - Grupo de control y procesamiento digital de señales

The project is strongly inspired by the great [Qt-material](https://github.com/UN-GCPDS/qt-material) project from [GCPDS](https://github.com/UN-GCPDS) and uses the qt-material stylesheet from this project.

## Donation

If this project help you reduce time to develop or if you just like it, you can give me a cup of coffee :coffee::wink:.

## Showcase

### [CETONI Elements](https://cetoni.com/cetoni-elements/)

The [CETONI Elements](https://youtu.be/xWTpCwCz8dI) software from
[CETONI](https://www.cetoni.com) is a comprehensive,
plugin-based and modular laboratory automation software for controlling CETONI devices using a joint graphical user interface. The software features a powerful script system to automate processes.

CETONI Elements Dark Theme
![CETONI_Elements Dark](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/doc/CETONI_Elements_Dark.png)

CETONI Elements Light Theme
![CETONI_Elements Light](https://raw.githubusercontent.com/githubuser0xFFFF/Qt-Advanced-Stylesheets/main/doc/CETONI_Elements_Light.png)

Qt-Advanced-Stylesheets

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