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framelesshelper
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Make the wallpaper blur dynamic update 

The window background will update dynamically once
it's being moved.

Signed-off-by: Yuhang Zhao <2546789017@qq.com>
This commit is contained in:
Yuhang Zhao 2021-03-10 14:18:08 +08:00
parent 0931b73671
commit a183a6d4a1
9 changed files with 56 additions and 44 deletions
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4
examples/quick/qml/main.qml
View File

@ -120,8 +120,4 @@ Window {
framelessHelper.removeWindowFrame() framelessHelper.removeWindowFrame()
framelessHelper.setBlurEffectEnabled(true) framelessHelper.setBlurEffectEnabled(true)
} }
// Re-draw the window frame.
onActiveChanged: acrylicItem.update()
onVisibilityChanged: acrylicItem.update()
} }

8
framelesshelper_global.h
View File

@ -60,13 +60,15 @@
namespace _flh_global { namespace _flh_global {
[[maybe_unused]] const char _flh_framelessMode_flag[] = "_FRAMELESSHELPER_FRAMELESS_MODE_ENABLED"; [[maybe_unused]] const char _flh_framelessEnabled_flag[] = "_FRAMELESSHELPER_FRAMELESS_MODE_ENABLED";
[[maybe_unused]] const char _flh_borderWidth_flag[] = "_FRAMELESSHELPER_WINDOW_BORDER_WIDTH"; [[maybe_unused]] const char _flh_borderWidth_flag[] = "_FRAMELESSHELPER_WINDOW_BORDER_WIDTH";
[[maybe_unused]] const char _flh_borderHeight_flag[] = "_FRAMELESSHELPER_WINDOW_BORDER_HEIGHT"; [[maybe_unused]] const char _flh_borderHeight_flag[] = "_FRAMELESSHELPER_WINDOW_BORDER_HEIGHT";
[[maybe_unused]] const char _flh_titleBarHeight_flag[] = "_FRAMELESSHELPER_WINDOW_TITLE_BAR_HEIGHT"; [[maybe_unused]] const char _flh_titleBarHeight_flag[] = "_FRAMELESSHELPER_WINDOW_TITLE_BAR_HEIGHT";
[[maybe_unused]] const char _flh_ignoredObjects_flag[] = "_FRAMELESSHELPER_WINDOW_TITLE_BAR_IGNORED_OBJECTS"; [[maybe_unused]] const char _flh_ignoredObjects_flag[] = "_FRAMELESSHELPER_WINDOW_TITLE_BAR_IGNORED_OBJECTS";
[[maybe_unused]] const char _flh_acrylic_forceOfficialMSWin10Blur_flag[] = "_FRAMELESSHELPER_FORCE_MSWIN10_OFFICIAL_ACRYLIC"; [[maybe_unused]] const char _flh_acrylic_blurEnabled_flag[] = "_FRAMELESSHELPER_BLUR_ENABLED";
[[maybe_unused]] const char _flh_acrylic_forceDWMBlur_flag[] = "_FRAMELESSHELPER_FORCE_DWM_BLUR"; [[maybe_unused]] const char _flh_acrylic_blurMode_flag[] = "_FRAMELESSHELPER_BLUR_MODE";
[[maybe_unused]] const char _flh_acrylic_forceEnableOfficialMSWin10AcrylicBlur_flag[] = "_FRAMELESSHELPER_FORCE_ENABLE_MSWIN10_OFFICIAL_ACRYLIC_BLUR";
[[maybe_unused]] const char _flh_acrylic_forceEnableTraditionalBlur_flag[] = "_FRAMELESSHELPER_FORCE_ENABLE_TRADITIONAL_BLUR";
[[maybe_unused]] const char _flh_acrylic_forceDisableWallpaperBlur_flag[] = "_FRAMELESSHELPER_FORCE_DISABLE_WALLPAPER_BLUR"; [[maybe_unused]] const char _flh_acrylic_forceDisableWallpaperBlur_flag[] = "_FRAMELESSHELPER_FORCE_DISABLE_WALLPAPER_BLUR";
[[maybe_unused]] const char _flh_useNativeTitleBar_flag[] = "_FRAMELESSHELPER_USE_NATIVE_TITLE_BAR"; [[maybe_unused]] const char _flh_useNativeTitleBar_flag[] = "_FRAMELESSHELPER_USE_NATIVE_TITLE_BAR";
[[maybe_unused]] const char _flh_preserveNativeFrame_flag[] = "_FRAMELESSHELPER_PRESERVE_NATIVE_WINDOW_FRAME"; [[maybe_unused]] const char _flh_preserveNativeFrame_flag[] = "_FRAMELESSHELPER_PRESERVE_NATIVE_WINDOW_FRAME";

6
framelesshelper_win32.cpp
View File

@ -121,7 +121,7 @@ static inline void installHelper(QWindow *window, const bool enable)
if (!window) { if (!window) {
return; return;
} }
window->setProperty(_flh_global::_flh_framelessMode_flag, enable); window->setProperty(_flh_global::_flh_framelessEnabled_flag, enable);
Utilities::updateQtFrameMargins(window, enable); Utilities::updateQtFrameMargins(window, enable);
Utilities::updateFrameMargins(window, !enable); Utilities::updateFrameMargins(window, !enable);
Utilities::triggerFrameChange(window); Utilities::triggerFrameChange(window);
@ -149,7 +149,7 @@ bool FramelessHelperWin::isWindowFrameless(const QWindow *window)
if (!window) { if (!window) {
return false; return false;
} }
return window->property(_flh_global::_flh_framelessMode_flag).toBool(); return window->property(_flh_global::_flh_framelessEnabled_flag).toBool();
} }
void FramelessHelperWin::removeFramelessWindow(QWindow *window) void FramelessHelperWin::removeFramelessWindow(QWindow *window)
@ -211,7 +211,7 @@ bool FramelessHelperWin::nativeEventFilter(const QByteArray &eventType, void *me
return false; return false;
} }
const QWindow *window = Utilities::findWindow(reinterpret_cast<WId>(msg->hwnd)); const QWindow *window = Utilities::findWindow(reinterpret_cast<WId>(msg->hwnd));
if (!window || (window && !window->property(_flh_global::_flh_framelessMode_flag).toBool())) { if (!window || (window && !window->property(_flh_global::_flh_framelessEnabled_flag).toBool())) {
return false; return false;
} }
switch (msg->message) { switch (msg->message) {

39
qtacryliceffecthelper.cpp
View File

@ -53,12 +53,28 @@ void QtAcrylicEffectHelper::install(const QWindow *window)
} }
if (m_window != window) { if (m_window != window) {
m_window = const_cast<QWindow *>(window); m_window = const_cast<QWindow *>(window);
connect(m_window, &QWindow::xChanged, this, &QtAcrylicEffectHelper::needsRepaint);
connect(m_window, &QWindow::yChanged, this, &QtAcrylicEffectHelper::needsRepaint);
connect(m_window, &QWindow::activeChanged, this, &QtAcrylicEffectHelper::needsRepaint);
//connect(m_window, &QWindow::visibilityChanged, this, &QtAcrylicEffectHelper::needsRepaint);
connect(m_window, &QWindow::windowStateChanged, this, &QtAcrylicEffectHelper::needsRepaint);
#ifdef Q_OS_WINDOWS
//QtAcrylicWinEventFilter::setup();
#endif
} }
} }
void QtAcrylicEffectHelper::uninstall() void QtAcrylicEffectHelper::uninstall()
{ {
if (m_window) { if (m_window) {
#ifdef Q_OS_WINDOWS
//QtAcrylicWinEventFilter::unsetup();
#endif
disconnect(m_window, &QWindow::xChanged, this, &QtAcrylicEffectHelper::needsRepaint);
disconnect(m_window, &QWindow::yChanged, this, &QtAcrylicEffectHelper::needsRepaint);
disconnect(m_window, &QWindow::activeChanged, this, &QtAcrylicEffectHelper::needsRepaint);
//disconnect(m_window, &QWindow::visibilityChanged, this, &QtAcrylicEffectHelper::needsRepaint);
disconnect(m_window, &QWindow::windowStateChanged, this, &QtAcrylicEffectHelper::needsRepaint);
m_window = nullptr; m_window = nullptr;
} }
} }
@ -157,8 +173,7 @@ void QtAcrylicEffectHelper::paintWindowBackground(QPainter *painter, const QRegi
if (!painter || clip.isEmpty()) { if (!painter || clip.isEmpty()) {
return; return;
} }
if (!m_window) { if (!checkWindow()) {
qWarning() << "m_window is null, forgot to call \"QtAcrylicEffectHelper::install()\"?";
return; return;
} }
painter->save(); painter->save();
@ -173,8 +188,7 @@ void QtAcrylicEffectHelper::paintWindowBackground(QPainter *painter, const QRect
if (!painter || !rect.isValid()) { if (!painter || !rect.isValid()) {
return; return;
} }
if (!m_window) { if (!checkWindow()) {
qWarning() << "m_window is null, forgot to call \"QtAcrylicEffectHelper::install()\"?";
return; return;
} }
painter->save(); painter->save();
@ -189,8 +203,7 @@ void QtAcrylicEffectHelper::paintBackground(QPainter *painter, const QRect &rect
if (!painter || !rect.isValid()) { if (!painter || !rect.isValid()) {
return; return;
} }
if (!m_window) { if (!checkWindow()) {
qWarning() << "m_window is null, forgot to call \"QtAcrylicEffectHelper::install()\"?";
return; return;
} }
if (Utilities::shouldUseTraditionalBlur()) { if (Utilities::shouldUseTraditionalBlur()) {
@ -201,7 +214,7 @@ void QtAcrylicEffectHelper::paintBackground(QPainter *painter, const QRect &rect
} else { } else {
// Emulate blur behind window by blurring the desktop wallpaper. // Emulate blur behind window by blurring the desktop wallpaper.
updateBehindWindowBackground(); updateBehindWindowBackground();
painter->drawPixmap(QPoint{0, 0}, m_bluredWallpaper, rect); painter->drawPixmap(QPoint{0, 0}, m_bluredWallpaper, QRect{m_window->mapToGlobal(QPoint{0, 0}), rect.size()});
} }
painter->setCompositionMode(QPainter::CompositionMode_SourceOver); painter->setCompositionMode(QPainter::CompositionMode_SourceOver);
painter->setOpacity(1); painter->setOpacity(1);
@ -215,8 +228,7 @@ void QtAcrylicEffectHelper::paintWindowFrame(QPainter *painter, const QRect &rec
if (!painter) { if (!painter) {
return; return;
} }
if (!m_window) { if (!checkWindow()) {
qWarning() << "m_window is null, forgot to call \"QtAcrylicEffectHelper::install()\"?";
return; return;
} }
if (m_window->windowState() != Qt::WindowNoState) { if (m_window->windowState() != Qt::WindowNoState) {
@ -321,3 +333,12 @@ void QtAcrylicEffectHelper::updateBehindWindowBackground()
painter.drawImage(QPoint{0, 0}, buffer); painter.drawImage(QPoint{0, 0}, buffer);
#endif #endif
} }
bool QtAcrylicEffectHelper::checkWindow() const
{
if (m_window) {
return true;
}
qWarning() << "m_window is null, forgot to call \"QtAcrylicEffectHelper::install()\"?";
return false;
}

18
qtacryliceffecthelper.h
View File

@ -27,19 +27,15 @@
#include "framelesshelper_global.h" #include "framelesshelper_global.h"
#include <QtGui/qbrush.h> #include <QtGui/qbrush.h>
class FRAMELESSHELPER_EXPORT QtAcrylicEffectHelper class FRAMELESSHELPER_EXPORT QtAcrylicEffectHelper : public QObject
{ {
Q_OBJECT
Q_DISABLE_COPY_MOVE(QtAcrylicEffectHelper) Q_DISABLE_COPY_MOVE(QtAcrylicEffectHelper)
public: public:
explicit QtAcrylicEffectHelper(); explicit QtAcrylicEffectHelper();
~QtAcrylicEffectHelper(); ~QtAcrylicEffectHelper();
void install(const QWindow *window);
void uninstall();
void clearWallpaper();
QBrush getAcrylicBrush() const; QBrush getAcrylicBrush() const;
QColor getTintColor() const; QColor getTintColor() const;
qreal getTintOpacity() const; qreal getTintOpacity() const;
@ -48,6 +44,12 @@ public:
QColor getFrameColor() const; QColor getFrameColor() const;
qreal getFrameThickness() const; qreal getFrameThickness() const;
public Q_SLOTS:
void install(const QWindow *window);
void uninstall();
void clearWallpaper();
void setTintColor(const QColor &value); void setTintColor(const QColor &value);
void setTintOpacity(const qreal value); void setTintOpacity(const qreal value);
void setNoiseOpacity(const qreal value); void setNoiseOpacity(const qreal value);
@ -62,6 +64,10 @@ public:
private: private:
void paintBackground(QPainter *painter, const QRect &rect); void paintBackground(QPainter *painter, const QRect &rect);
void updateBehindWindowBackground(); void updateBehindWindowBackground();
bool checkWindow() const;
Q_SIGNALS:
void needsRepaint();
private: private:
QWindow *m_window = nullptr; QWindow *m_window = nullptr;

3
qtacrylicitem.cpp
View File

@ -35,6 +35,9 @@ QtAcrylicItem::QtAcrylicItem(QQuickItem *parent) : QQuickPaintedItem(parent)
if (win) { if (win) {
m_acrylicHelper.install(win); m_acrylicHelper.install(win);
m_acrylicHelper.updateAcrylicBrush(); m_acrylicHelper.updateAcrylicBrush();
connect(&m_acrylicHelper, &QtAcrylicEffectHelper::needsRepaint, this, [this](){
update();
});
} }
}); });
} }

17
qtacrylicwidget.cpp
View File

@ -148,6 +148,7 @@ void QtAcrylicWidget::showEvent(QShowEvent *event)
Utilities::setBlurEffectEnabled(win, true); Utilities::setBlurEffectEnabled(win, true);
m_acrylicHelper.install(win); m_acrylicHelper.install(win);
m_acrylicHelper.updateAcrylicBrush(tintColor()); m_acrylicHelper.updateAcrylicBrush(tintColor());
connect(&m_acrylicHelper, &QtAcrylicEffectHelper::needsRepaint, this, qOverload<>(&QtAcrylicWidget::update));
update(); update();
inited = true; inited = true;
} }
@ -162,19 +163,3 @@ void QtAcrylicWidget::paintEvent(QPaintEvent *event)
} }
QWidget::paintEvent(event); QWidget::paintEvent(event);
} }
void QtAcrylicWidget::changeEvent(QEvent *event)
{
QWidget::changeEvent(event);
switch (event->type()) {
case QEvent::PaletteChange:
m_acrylicHelper.updateAcrylicBrush(tintColor());
break;
case QEvent::ActivationChange:
case QEvent::WindowStateChange:
update();
break;
default:
break;
}
}

1
qtacrylicwidget.h
View File

@ -72,7 +72,6 @@ Q_SIGNALS:
protected: protected:
void showEvent(QShowEvent *event) override; void showEvent(QShowEvent *event) override;
void paintEvent(QPaintEvent *event) override; void paintEvent(QPaintEvent *event) override;
void changeEvent(QEvent *event) override;
private: private:
QtAcrylicEffectHelper m_acrylicHelper; QtAcrylicEffectHelper m_acrylicHelper;

4
utilities_win32.cpp
View File

@ -628,7 +628,7 @@ bool Utilities::isWin10OrGreater(const int subVer)
static inline bool forceEnableDwmBlur() static inline bool forceEnableDwmBlur()
{ {
return qEnvironmentVariableIsSet(_flh_global::_flh_acrylic_forceDWMBlur_flag); return qEnvironmentVariableIsSet(_flh_global::_flh_acrylic_forceEnableTraditionalBlur_flag);
} }
static inline bool forceDisableWallpaperBlur() static inline bool forceDisableWallpaperBlur()
@ -638,7 +638,7 @@ static inline bool forceDisableWallpaperBlur()
static inline bool forceEnableOfficialMSWin10AcrylicBlur() static inline bool forceEnableOfficialMSWin10AcrylicBlur()
{ {
return qEnvironmentVariableIsSet(_flh_global::_flh_acrylic_forceOfficialMSWin10Blur_flag); return qEnvironmentVariableIsSet(_flh_global::_flh_acrylic_forceEnableOfficialMSWin10AcrylicBlur_flag);
} }
static inline bool shouldUseOfficialMSWin10AcrylicBlur() static inline bool shouldUseOfficialMSWin10AcrylicBlur()