From 6b25b5069614249c3b58717600ad59778026b2c8 Mon Sep 17 00:00:00 2001
From: zty199 <46324746+zty199@users.noreply.github.com>
Date: Sun, 20 Nov 2022 23:55:52 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=94=AF=E6=8C=81=E5=90=AF=E5=8A=A8?=
=?UTF-8?q?=E6=97=B6=E8=AF=86=E5=88=AB=20DTK=20=E4=B8=BB=E9=A2=98=E9=A2=9C?=
=?UTF-8?q?=E8=89=B2=EF=BC=8C=E5=88=A4=E6=96=AD=E7=BD=91=E9=A1=B5=E6=98=AF?=
=?UTF-8?q?=E5=90=A6=E9=9C=80=E8=A6=81=E6=98=BE=E7=A4=BA=E4=B8=BA=E6=B7=B1?=
=?UTF-8?q?=E8=89=B2=E6=A8=A1=E5=BC=8F=EF=BC=88=E5=88=87=E6=8D=A2=20DTK=20?=
=?UTF-8?q?=E4=B8=BB=E9=A2=98=E5=90=8E=E9=87=8D=E5=90=AF=E7=94=9F=E6=95=88?=
=?UTF-8?q?=EF=BC=8C=E4=B8=8D=E6=94=AF=E6=8C=81=E5=AE=9E=E6=97=B6=E7=94=9F?=
=?UTF-8?q?=E6=95=88=EF=BC=89?=
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https://github.com/qutebrowser/qutebrowser/issues/4840
启动时判断 DTK 主题颜色，QTWEBENGINE_CHROMIUM_FLAGS 环境变量添加 --blink-settings=preferredColorScheme=0 启用深色模式（或 --force-dark-mode）（Qt >= 5.14，当前仅 Deepin 支持）
Log: 支持启动时识别 DTK 主题颜色，判断网页是否需要显示为深色模式
---
spark-webapp-runtime/main.cpp | 12 ++-
spark-webapp-runtime/webengineview.cpp | 39 +++++++++-
spark-webapp-runtime/webengineview.h | 2 +
spark-webapp-runtime/widget.cpp | 100 +++++++++++++++++--------
spark-webapp-runtime/widget.h | 9 +++
5 files changed, 125 insertions(+), 37 deletions(-)
diff --git a/spark-webapp-runtime/main.cpp b/spark-webapp-runtime/main.cpp
index 4eba78b..8f9ca87 100644
--- a/spark-webapp-runtime/main.cpp
+++ b/spark-webapp-runtime/main.cpp
@@ -4,10 +4,11 @@
*/
#include "application.h"
#include "mainwindow.h"
-#include "globaldefine.h"
+#include "webengineview.h"
#include "httpd.h"
#include <DSysInfo>
+#include <DApplicationSettings>
#include <QCommandLineParser>
#include <QCommandLineOption>
@@ -50,6 +51,9 @@ int main(int argc, char *argv[])
}
Application a(fakeArgc, fakeArgv.data());
+ // 保存 DTK 主题
+ DApplicationSettings settings;
+
// 解析命令行启动参数
QCommandLineParser parser;
@@ -255,12 +259,14 @@ int main(int argc, char *argv[])
toUseGPU = parser.value(useGPU).toUInt();
}
if (toUseGPU == true) {
- qputenv("QTWEBENGINE_CHROMIUM_FLAGS", "--ignore-gpu-blocklist --enable-gpu-rasterization --enable-native-gpu-memory-buffers --enable-accelerated-video-decode --blink-settings=darkMode=4,darkModeImagePolicy=2");
+ qputenv("QTWEBENGINE_CHROMIUM_FLAGS", "--ignore-gpu-blocklist --enable-gpu-rasterization --enable-native-gpu-memory-buffers --enable-accelerated-video-decode");
#ifdef __sw_64__
- qputenv("QTWEBENGINE_CHROMIUM_FLAGS", "--ignore-gpu-blocklist --enable-gpu-rasterization --enable-native-gpu-memory-buffers --enable-accelerated-video-decode --blink-settings=darkMode=4,darkModeImagePolicy=2 --no-sandbox");
+ qputenv("QTWEBENGINE_CHROMIUM_FLAGS", "--ignore-gpu-blocklist --enable-gpu-rasterization --enable-native-gpu-memory-buffers --enable-accelerated-video-decode --no-sandbox");
#endif
qDebug() << "Setting GPU to True.";
}
+ // 初始化 QtWebEngine 深色模式环境变量
+ WebEngineView::handleChromiumFlags();
#if SSL_SERVER
if (parser.isSet(optSSLPort)) {
diff --git a/spark-webapp-runtime/webengineview.cpp b/spark-webapp-runtime/webengineview.cpp
index dc25354..6fa3ed8 100644
--- a/spark-webapp-runtime/webengineview.cpp
+++ b/spark-webapp-runtime/webengineview.cpp
@@ -1,20 +1,53 @@
#include "webengineview.h"
//#include "webengineurlrequestinterceptor.h"
+#include <DGuiApplicationHelper>
+
#include <QWebEngineSettings>
#include <QWebEngineProfile>
#include <QLocale>
+DGUI_USE_NAMESPACE
+
WebEngineView::WebEngineView(QWidget *parent)
: QWebEngineView(parent)
// , interceptor(new WebEngineUrlRequestInterceptor(this))
{
- // page()->profile()->setHttpUserAgent(page()->profile()->httpUserAgent() + " MediaFeature/prefers-color-scheme:dark");
-
connect(this, &WebEngineView::urlChanged, this, [=]() {
// page()->setUrlRequestInterceptor(interceptor);
// page()->settings()->setAttribute(QWebEngineSettings::WebAttribute::LocalContentCanAccessRemoteUrls, true);
page()->profile()->setHttpAcceptLanguage(QLocale::system().name());
- // qInfo() << "User Agent:" << page()->profile()->httpUserAgent();
});
}
+
+void WebEngineView::handleChromiumFlags()
+{
+ DGuiApplicationHelper::ColorType themeType = DGuiApplicationHelper::instance()->themeType();
+
+ QString env = qgetenv("QTWEBENGINE_CHROMIUM_FLAGS");
+ QStringList flags = env.split(" ", QString::SkipEmptyParts);
+
+ /**
+ * --blink-settings=preferredColorScheme=0 强制 prefers-color-scheme=dark (>= 5.14)
+ * --blink-settings=darkModeEnabled=true,darkModeInversionAlgorithm=4 强制反转网页颜色 (>= 5.14 && < 5.15)
+ * --blink-settings=forceDarkModeEnabled=true,darkModeInversionAlgorithm=4 强制反转网页颜色 (>= 5.15)
+ * --force-dark-mode 强制 prefers-color-scheme=dark (>= 5.14)
+ */
+ foreach (const QString &flag, flags) {
+ if (flag == "--force-dark-mode") {
+ flags.removeAll(flag);
+ }
+ if (flag.startsWith("--blink-settings")) {
+ flags.removeAll(flag);
+ }
+ }
+
+ if (themeType == DGuiApplicationHelper::DarkType) {
+ flags.append("--blink-settings=preferredColorScheme=0");
+ } else {
+ flags.append("--blink-settings=preferredColorScheme=1");
+ }
+ qputenv("QTWEBENGINE_CHROMIUM_FLAGS", flags.join(" ").toUtf8());
+
+ qDebug() << Q_FUNC_INFO << "QTWEBENGINE_CHROMIUM_FLAGS=" + qgetenv("QTWEBENGINE_CHROMIUM_FLAGS");
+}
diff --git a/spark-webapp-runtime/webengineview.h b/spark-webapp-runtime/webengineview.h
index 4ca48b2..b688fd6 100644
--- a/spark-webapp-runtime/webengineview.h
+++ b/spark-webapp-runtime/webengineview.h
@@ -11,6 +11,8 @@ class WebEngineView : public QWebEngineView
public:
explicit WebEngineView(QWidget *parent = nullptr);
+ static void handleChromiumFlags();
+
private:
// WebEngineUrlRequestInterceptor *interceptor = nullptr;
};
diff --git a/spark-webapp-runtime/widget.cpp b/spark-webapp-runtime/widget.cpp
index 482d457..afff924 100644
--- a/spark-webapp-runtime/widget.cpp
+++ b/spark-webapp-runtime/widget.cpp
@@ -13,37 +13,8 @@ Widget::Widget(QString szUrl, QWidget *parent)
, mainLayout(new QStackedLayout(this))
, m_szUrl(szUrl)
{
- m_spinner->setFixedSize(96, 96);
-
- m_webEngineView->setObjectName(QStringLiteral("webEngineView"));
- m_webEngineView->setEnabled(true);
- m_webEngineView->setAutoFillBackground(false);
-
- DApplication *dApp = qobject_cast<DApplication *>(qApp);
- m_webEngineView->setZoomFactor(dApp->devicePixelRatio());
-
- WebEnginePage *page = new WebEnginePage(m_webEngineView);
- m_webEngineView->setPage(page);
-
- page->setUrl(QUrl());
- if (!m_szUrl.isEmpty()) {
- page->setUrl(QUrl(m_szUrl));
- }
-
- QWidget *spinnerWidget = new QWidget(this);
- QHBoxLayout *spinnerLayout = new QHBoxLayout(spinnerWidget);
- spinnerLayout->setMargin(0);
- spinnerLayout->setSpacing(0);
- spinnerLayout->setAlignment(Qt::AlignCenter);
- spinnerLayout->addStretch();
- spinnerLayout->addWidget(m_spinner);
- spinnerLayout->addStretch();
-
- mainLayout->addWidget(spinnerWidget);
- mainLayout->addWidget(m_webEngineView);
-
- connect(m_webEngineView, &QWebEngineView::loadStarted, this, &Widget::on_loadStarted);
- connect(m_webEngineView, &QWebEngineView::loadFinished, this, &Widget::on_loadFinished);
+ initUI();
+ initConnections();
}
Widget::~Widget()
@@ -70,6 +41,63 @@ void Widget::refresh()
m_webEngineView->reload();
}
+void Widget::initUI()
+{
+ m_spinner->setFixedSize(96, 96);
+
+ DApplication *dApp = qobject_cast<DApplication *>(qApp);
+ m_webEngineView->setZoomFactor(dApp->devicePixelRatio());
+
+ WebEnginePage *page = new WebEnginePage(m_webEngineView);
+ m_webEngineView->setPage(page);
+
+ page->setUrl(QUrl());
+ if (!m_szUrl.isEmpty()) {
+ page->setUrl(QUrl(m_szUrl));
+ }
+
+ QWidget *spinnerWidget = new QWidget(this);
+ QHBoxLayout *spinnerLayout = new QHBoxLayout(spinnerWidget);
+ spinnerLayout->setMargin(0);
+ spinnerLayout->setSpacing(0);
+ spinnerLayout->setAlignment(Qt::AlignCenter);
+ spinnerLayout->addStretch();
+ spinnerLayout->addWidget(m_spinner);
+ spinnerLayout->addStretch();
+
+ mainLayout->addWidget(spinnerWidget);
+ mainLayout->addWidget(m_webEngineView);
+}
+
+void Widget::initConnections()
+{
+ connect(m_webEngineView, &QWebEngineView::loadStarted, this, &Widget::on_loadStarted, Qt::UniqueConnection);
+ connect(m_webEngineView, &QWebEngineView::loadFinished, this, &Widget::on_loadFinished, Qt::UniqueConnection);
+
+ // FIXME: DTK 主题切换时，动态修改 QtWebEngine prefers-color-scheme
+ // connect(DGuiApplicationHelper::instance(), &DGuiApplicationHelper::paletteTypeChanged, this, &Widget::slotPaletteTypeChanged, Qt::UniqueConnection);
+}
+
+void Widget::updateLayout()
+{
+ on_loadStarted();
+
+ mainLayout->removeWidget(m_webEngineView);
+ QUrl url = m_webEngineView->url();
+ m_webEngineView->deleteLater();
+
+ m_webEngineView = new WebEngineView(this);
+ mainLayout->addWidget(m_webEngineView);
+ initConnections();
+
+ DApplication *dApp = qobject_cast<DApplication *>(qApp);
+ m_webEngineView->setZoomFactor(dApp->devicePixelRatio());
+
+ WebEnginePage *page = new WebEnginePage(m_webEngineView);
+ m_webEngineView->setPage(page);
+ page->setUrl(url);
+}
+
void Widget::on_loadStarted()
{
mainLayout->setCurrentIndex(0);
@@ -81,3 +109,13 @@ void Widget::on_loadFinished()
m_spinner->stop();
mainLayout->setCurrentIndex(1);
}
+
+void Widget::slotPaletteTypeChanged(DGuiApplicationHelper::ColorType paletteType)
+{
+ Q_UNUSED(paletteType)
+
+ WebEngineView::handleChromiumFlags();
+ if (m_webEngineView) {
+ updateLayout();
+ }
+}
diff --git a/spark-webapp-runtime/widget.h b/spark-webapp-runtime/widget.h
index c128dbc..2ed7ee2 100644
--- a/spark-webapp-runtime/widget.h
+++ b/spark-webapp-runtime/widget.h
@@ -2,12 +2,14 @@
#define WIDGET_H
#include <DSpinner>
+#include <DGuiApplicationHelper>
#include <QWidget>
#include <QWebEnginePage>
#include <QStackedLayout>
DWIDGET_USE_NAMESPACE
+DGUI_USE_NAMESPACE
class WebEngineView;
class Widget : public QWidget
@@ -23,10 +25,17 @@ public:
void goForward();
void refresh();
+private:
+ void initUI();
+ void initConnections();
+ void updateLayout();
+
private slots:
void on_loadStarted();
void on_loadFinished();
+ void slotPaletteTypeChanged(DGuiApplicationHelper::ColorType paletteType);
+
private:
WebEngineView *m_webEngineView = nullptr;
DSpinner *m_spinner = nullptr;