Sigil-Ebook IconThemes

Sigil is a free, open source, multi-platform ebook editor that uses Qt (and QtWebEngine). It is designed to edit books in ePub format (both ePub 2 and ePub 3).

This repository holds the primary user interface icons used by Sigil in icon sets referred to as "themes". Users of Sigil can choose to use one of the three primary icon themes provided with Sigil:

• Main - Default set available in Sigil 1.0 and later:

  • https://github.com/Sigil-Ebook/Sigil/tree/master/src/Resource_Files/main
  • GPL3 and Open Library Icons
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• Fluent - icons derived from Microsoft's fluent icon set

  • https://github.com/microsoft/fluentui-system-icons
  • MIT License
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• Material - icons derived from Google's material icons:

  • https://github.com/google/material-design-icons
  • Apache License 2.0
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In addition to these 3 main supported icon themes, Sigil allows users to install their own custom icon theme after compiling them with Qt's Resource Compiler to generate .rcc files.

Custom Icon Theme

To help users find possible custom icon themes, we have created some additional derived icon themes that Sigil users may decide to install themselves:

• Legacy - pure svg versions of Sigil's icons pre Sigil 0.9.7.

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• Material Derivatives, each in one of the following base colours: blue, gray, lilac, orange, pink, and red specifically chosen to be usable under both Light and Dark modes.

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See this repo's Releases to download the .rcc icon theme of your choice.

Installing a .rcc icon Theme into Sigil

1. Download one of the .rcc files from Releases
2. Rename it to "custom_icon_theme.rcc"
3. Copy that file to your Sigil user preferences Folder:
   • On macOS: "~/Library/Application Support/sigil-ebook/sigil/"
   • On Windows: "%localappdata%\sigil-ebook\sigil\
   • On Linux: "~/.local/share/sigil-ebook/sigil"

An easier way to find your Sigil user preferences folder is to launch Sigil and navigate to the Preferences menu item. Once Preferences opens, you will see a button to "Open Preferences Location" in the bottom left corner of the Preferences dialog.

Clicking this button should open a Window showing this folder. Drag and drop the .rcc file here.

Once installed. Fire Up Sigil and go to Preferences->Appearance and select the Icon Themes tab. Make your selection and restart Sigil.

Creating Your Own Icon Theme

More advanced users who are familiar with svg editing (Inkscape, etc) and have Qt installed (for its resource compiler, rcc) can create a complete set of icons matching the names provided in the src/main/folder here.

You can use the command line to run rcc: rcc -binary -o PATH_TO_OUTPUT_FILE.RCC PATH_TO_QRC_FILE

See the Qt docs on rcc for your version of Qt: https://doc.qt.io/qt-5/rcc.html