diff options
Diffstat (limited to 'src/core/web_contents_adapter.cpp')
| -rw-r--r-- | src/core/web_contents_adapter.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/core/web_contents_adapter.cpp b/src/core/web_contents_adapter.cpp index f549bfac0..a33355e61 100644 --- a/src/core/web_contents_adapter.cpp +++ b/src/core/web_contents_adapter.cpp @@ -60,6 +60,7 @@ #include "ui/base/clipboard/clipboard_constants.h" #include "ui/base/clipboard/custom_data_helper.h" #include "ui/gfx/font_render_params.h" +#include "ui/native_theme/native_theme.h" #include "qtwebengine/browser/qtwebenginepage.mojom.h" #include <QtCore/QVariant> @@ -453,6 +454,10 @@ bool WebContentsAdapter::isInitialized() const return (bool)m_webContentsDelegate; } +ui::NativeTheme::PreferredColorScheme toWeb(Qt::ColorScheme colorScheme) { + return colorScheme == Qt::ColorScheme::Dark ? ui::NativeTheme::PreferredColorScheme::kDark : ui::NativeTheme::PreferredColorScheme::kLight; +} + void WebContentsAdapter::initialize(content::SiteInstance *site) { Q_ASSERT(m_adapterClient); @@ -506,6 +511,12 @@ void WebContentsAdapter::initialize(content::SiteInstance *site) m_webContentsDelegate->RenderViewHostChanged(nullptr, rvh); + // Make sure the system theme's light/dark mode is propagated to webpages + QObject::connect(QGuiApplication::styleHints(), &QStyleHints::colorSchemeChanged, [](Qt::ColorScheme colorScheme){ + ui::NativeTheme::GetInstanceForWeb()->set_preferred_color_scheme(toWeb(colorScheme)); + }); + ui::NativeTheme::GetInstanceForWeb()->set_preferred_color_scheme(toWeb(QGuiApplication::styleHints()->colorScheme())); + m_adapterClient->initializationFinished(); } |