Когда разрабатываете свой GUI с помощью PyQt для какого-либо софта бывает необходимо позаимствовать цвета из текущего стиля интерфейса. Например, чтобы правильно раскрасить свои виджеты, подогнав их по цвету. Ведь бывает, что ваш GUI используется в разных софтах. Причём некоторые со светлой темой а другие с тёмной.
По умолчанию стили наследуются, но если вы задаёте какую-либо раскраску для части виджета через свой styleSheet, то требуется ссылаться на цвета текущего стиля.
Как это сделать? Как получить нужный цвет из палитры имеющегося стиля? Это достаточно просто, нужно использовать класс QPalette и его роли.
Например, мне нужно достать цвет текста из одного виджета и применить его в другом как цвет фона (не важно зачем именно так, просто захотелось😊).
Получаем палитру виджета и сразу достаём нужный цвет, указав его роль.
from PySide2.QtGui import QPalette
color = main_window.palette().color(QPalette.Text)
теперь можем использовать этот цвет в стилях
my_widget.setStyleSheet(f'background-color: {color.name()};')
Готово, мы динамически переопределили дефолтный стиль используя текущий стиль окна!
На самом деле есть запись покороче, в одну строку и без лишних переменных. Не очень-то по правилам CSS, но Qt это понимает.
my_widget.setStyleSheet('background-color: palette(Text);')
Этот способ не подходит если вам нужно как-то модифицировать цвет перед применением в своих стилях. В этом случае потребуется первый способ.
Зато он прекрасно сработает в файле .qss, то есть не придётся в коде прописывать раскраску отдельных элементов через ссылки на палитру, всё красиво сохранится в отдельном файле .qss!
QListView#my_widget::item:selected {
background: palette(Midlight);
}
Про имеющиеся роли можно почитать здесь🌍
#qt#tricks
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Applications are now open for InteRussia fellowships⭕️
InteRussia is a fellowship program for young professionals worldwide, implemented by the Gorchakov Fund in partnership with leading Russian universities, expert centers, and industry partners.
⭕️ The program offers hands-on professional experience in Russia, direct engagement with top experts, and the opportunity to become part of a global professional community. More than 500 participants from 70 countries have already completed InteRussia fellowships — now it’s your turn to join.
Which fellowships can you apply for?
⭕️International Relations (all over the world)
⭕️Oriental Studies (post-Soviet countries, the Middle East, and North Africa)
⭕️Archeologists (post-Soviet countries, the Middle East, North Africa, India, and Pakistan)
⭕️Journalism (South Asia)
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⭕️Russian Studies (all over the world)
⭕️Medicine (all over the world)
⭕️Information Technology (all over the world)
⭕️Electric Power (the Middle East and Africa)
⭕️Energy (Latin America)
⭕️Theatre Arts (BRICS+ countries)
⭕️ More details and application guidelines are available at interussia.com.
The InteRussia fellowships are implemented with the support of the Presidential Grants Foundation, Rossotrudnichestvo, and the Ministry of Education of Russia.
#InteRussia#fellowships#internships
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🔥🔥🔥
Applications are now open for InteRussia fellowships⭕️
InteRussia is a fellowship program for young professionals worldwide, implemented by the Gorchakov Fund in partnership with leading Russian universities, expert centers, and industry partners.
⭕️ The program offers hands-on professional experience in Russia, direct engagement with top experts, and the opportunity to become part of a global professional community. More than 500 participants from 70 countries have already completed InteRussia fellowships — now it’s your turn to join.
Which fellowships can you apply for?
⭕️International Relations (all over the world)
⭕️Oriental Studies (post-Soviet countries, the Middle East, and North Africa)
⭕️Archeologists (post-Soviet countries, the Middle East, North Africa, India, and Pakistan)
⭕️Journalism (South Asia)
⭕️Journalism (the Middle East and North Africa)
⭕️Journalism (Sub-Saharan Africa)
⭕️Russian Studies (all over the world)
⭕️Medicine (all over the world)
⭕️Information Technology (all over the world)
⭕️Electric Power (the Middle East and Africa)
⭕️Energy (Latin America)
⭕️Theatre Arts (BRICS+ countries)
⭕️ More details and application guidelines are available at interussia.com.
The InteRussia fellowships are implemented with the support of the Presidential Grants Foundation, Rossotrudnichestvo, and the Ministry of Education of Russia.
#InteRussia#fellowships#internships
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