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breezy-desktop
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Add support for enabling/disabling physical screen mirroring 

Option to turn physical displays off not implemented yet
This commit is contained in:
wheaney 2025-09-11 11:46:47 -07:00
parent f27fd17b59
commit 40475736c1
9 changed files with 81 additions and 21 deletions
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7
kwin/src/breezydesktopconfig.kcfg
View File

@ -57,6 +57,13 @@
<label>Antialiasing Quality</label>
<description>0=None, 1=Medium, 2=High, 3=Very High</description>
</entry>
<entry name="PhysicalDisplaysMode" type="Int">
<default>1</default>
<min>0</min>
<max>2</max>
<label>Physical Displays On/Off</label>
<description>How to handle the physical (built-in) monitors: 0=Off, 1=On - not mirrored in XR, 2=On - mirrored in XR (may impact performance)</description>
</entry>
<entry name="RemoveVirtualDisplaysOnDisable" type="Bool">
<default>true</default>
<label>Remove virtual displays on disable</label>

6
kwin/src/breezydesktopeffect.cpp
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@ -203,12 +203,14 @@ void BreezyDesktopEffect::reconfigure(ReconfigureFlags)
int wrap = BreezyDesktopConfig::displayWrappingScheme();
int aaQuality = BreezyDesktopConfig::antialiasingQuality();
bool removeVD = BreezyDesktopConfig::removeVirtualDisplaysOnDisable();
int physDisplaysMode = BreezyDesktopConfig::physicalDisplaysMode();
bool changed = false;
if (!qFuzzyCompare(m_displayHorizontalOffset, horiz)) { m_displayHorizontalOffset = horiz; changed = true; }
if (!qFuzzyCompare(m_displayVerticalOffset, vert)) { m_displayVerticalOffset = vert; changed = true; }
if (m_displayWrappingScheme != wrap) { m_displayWrappingScheme = wrap; Q_EMIT displayWrappingSchemeChanged(); }
if (m_antialiasingQuality != aaQuality) { m_antialiasingQuality = aaQuality; Q_EMIT antialiasingQualityChanged(); }
if (m_removeVirtualDisplaysOnDisable != removeVD) { m_removeVirtualDisplaysOnDisable = removeVD; Q_EMIT removeVirtualDisplaysOnDisableChanged(); }
if (m_physicalDisplaysMode != physDisplaysMode) { m_physicalDisplaysMode = physDisplaysMode; Q_EMIT physicalDisplaysModeChanged(); }
if (changed) Q_EMIT displayOffsetChanged();
}
@ -427,6 +429,10 @@ bool BreezyDesktopEffect::removeVirtualDisplaysOnDisable() const {
return m_removeVirtualDisplaysOnDisable;
}
int BreezyDesktopEffect::physicalDisplaysMode() const {
return m_physicalDisplaysMode;
}
bool BreezyDesktopEffect::checkParityByte(const char* data) {
const uint8_t parityByte = static_cast<uint8_t>(data[DataView::IMU_PARITY_BYTE[DataView::OFFSET_INDEX]]);
uint8_t parity = 0;

4
kwin/src/breezydesktopeffect.h
View File

@ -37,6 +37,7 @@ namespace KWin
Q_PROPERTY(bool customBannerEnabled READ customBannerEnabled NOTIFY devicePropertiesChanged)
Q_PROPERTY(int antialiasingQuality READ antialiasingQuality NOTIFY antialiasingQualityChanged)
Q_PROPERTY(bool removeVirtualDisplaysOnDisable READ removeVirtualDisplaysOnDisable NOTIFY removeVirtualDisplaysOnDisableChanged)
Q_PROPERTY(int physicalDisplaysMode READ physicalDisplaysMode NOTIFY physicalDisplaysModeChanged)
public:
@ -75,6 +76,7 @@ namespace KWin
bool customBannerEnabled() const;
int antialiasingQuality() const;
bool removeVirtualDisplaysOnDisable() const;
int physicalDisplaysMode() const;
void showCursor();
void hideCursor();
@ -104,6 +106,7 @@ namespace KWin
void devicePropertiesChanged();
void antialiasingQualityChanged();
void removeVirtualDisplaysOnDisableChanged();
void physicalDisplaysModeChanged();
protected:
QVariantMap initialProperties(Output *screen) override;
@ -142,6 +145,7 @@ namespace KWin
int m_displayWrappingScheme = 0; // 0=auto,1=horizontal,2=vertical,3=flat
int m_antialiasingQuality = 3; // 0=None, 1=Medium, 2=High, 3=VeryHigh
bool m_removeVirtualDisplaysOnDisable = true;
int m_physicalDisplaysMode = 1; // 0=Off,1=On no mirror,2=On mirrored
QList<Output *> m_virtualOutputs;
};

2
kwin/src/kcm/breezydesktopeffectkcm.cpp
View File

@ -106,6 +106,7 @@ BreezyDesktopEffectConfig::BreezyDesktopEffectConfig(QObject *parent, const KPlu
connect(ui.kcfg_DisplayVerticalOffset, &QSlider::valueChanged, this, &BreezyDesktopEffectConfig::save);
connect(ui.kcfg_DisplayWrappingScheme, qOverload<int>(&QComboBox::currentIndexChanged), this, &BreezyDesktopEffectConfig::save);
connect(ui.kcfg_AntialiasingQuality, qOverload<int>(&QComboBox::currentIndexChanged), this, &BreezyDesktopEffectConfig::save);
connect(ui.kcfg_PhysicalDisplaysMode, qOverload<int>(&QComboBox::currentIndexChanged), this, &BreezyDesktopEffectConfig::save);
connect(ui.kcfg_RemoveVirtualDisplaysOnDisable, &QCheckBox::toggled, this, &BreezyDesktopEffectConfig::save);
if (auto label = widget()->findChild<QLabel*>("labelAppNameVersion")) {
@ -226,6 +227,7 @@ void BreezyDesktopEffectConfig::updateUiFromConfig()
ui.kcfg_DisplayVerticalOffset->setValue(BreezyDesktopConfig::self()->displayVerticalOffset());
ui.kcfg_DisplayWrappingScheme->setCurrentIndex(BreezyDesktopConfig::self()->displayWrappingScheme());
ui.kcfg_AntialiasingQuality->setCurrentIndex(BreezyDesktopConfig::self()->antialiasingQuality());
ui.kcfg_PhysicalDisplaysMode->setCurrentIndex(BreezyDesktopConfig::self()->physicalDisplaysMode());
ui.kcfg_RemoveVirtualDisplaysOnDisable->setChecked(BreezyDesktopConfig::self()->removeVirtualDisplaysOnDisable());
ui.kcfg_ZoomOnFocusEnabled->setChecked(BreezyDesktopConfig::self()->zoomOnFocusEnabled());
ui.kcfg_FocusedDisplayDistance->setEnabled(ui.kcfg_ZoomOnFocusEnabled->isChecked());

34
kwin/src/kcm/breezydesktopeffectkcm.ui
View File

@ -267,13 +267,39 @@
</widget>
</item>
<item row="2" column="0">
<widget class="QLabel" name="labelPhysicalDisplaysMode">
<property name="text">
<string>Physical Displays On/Off:</string>
</property>
</widget>
</item>
<item row="2" column="1">
<widget class="QComboBox" name="kcfg_PhysicalDisplaysMode">
<item>
<property name="text">
<string>Off</string>
</property>
</item>
<item>
<property name="text">
<string>On - not mirrored in XR</string>
</property>
</item>
<item>
<property name="text">
<string>On - mirrored in XR (may impact performance)</string>
</property>
</item>
</widget>
</item>
<item row="3" column="0">
<widget class="QLabel" name="labelDisplayHorizontalOffset">
<property name="text">
<string>Display Horizontal Offset:</string>
</property>
</widget>
</item>
<item row="2" column="1">
<item row="3" column="1">
<widget class="LabeledSlider" name="kcfg_DisplayHorizontalOffset">
<property name="decimalShift">
<double>2</double>
@ -292,14 +318,14 @@
</property>
</widget>
</item>
<item row="3" column="0">
<item row="4" column="0">
<widget class="QLabel" name="labelDisplayVerticalOffset">
<property name="text">
<string>Display Vertical Offset:</string>
</property>
</widget>
</item>
<item row="3" column="1">
<item row="4" column="1">
<widget class="LabeledSlider" name="kcfg_DisplayVerticalOffset">
<property name="decimalShift">
<double>2</double>
@ -318,7 +344,7 @@
</property>
</widget>
</item>
<item row="4" column="0" colspan="2">
<item row="5" column="0" colspan="2">
<widget class="QCheckBox" name="kcfg_RemoveVirtualDisplaysOnDisable">
<property name="visible">
<bool>false</bool>

25
kwin/src/qml/BreezyDesktop.qml
View File

@ -6,9 +6,9 @@ Node {
id: breezyDesktop
property var viewportResolution: effect.displayResolution
property var screens: root.screens
property var fovDetails: root.fovDetails
property var monitorPlacements: root.monitorPlacements
required property var screens
required property var fovDetails
required property var monitorPlacements
property int focusedMonitorIndex: -1
Displays {
@ -31,8 +31,8 @@ Node {
property real monitorDistance: effect.allDisplaysDistance
property real targetDistance: effect.allDisplaysDistance
property real screenRotationY: displays.radianToDegree(monitorPlacement.rotationAngleRadians.y)
property real screenRotationX: displays.radianToDegree(monitorPlacement.rotationAngleRadians.x)
property real screenRotationY: displays.radianToDegree(monitorPlacement?.rotationAngleRadians.y ?? 0)
property real screenRotationX: displays.radianToDegree(monitorPlacement?.rotationAngleRadians.x ?? 0)
property matrix4x4 rotationMatrix: {
const matrix = Qt.matrix4x4();
matrix.rotate(screenRotationY, Qt.vector3d(0, 1, 0));
@ -51,6 +51,8 @@ Node {
eulerRotation.y: screenRotationY
eulerRotation.x: screenRotationX
position: {
if (!monitorPlacement) return Qt.vector3d(0, 0, 0);
const displayNwu =
monitorPlacement.centerNoRotate
.times(monitorDistance / effect.allDisplaysDistance);
@ -112,6 +114,19 @@ Node {
}
}
// release references to displays and stale indexes
onScreensChanged: {
breezyDesktop.focusedMonitorIndex = -1;
zoomOutAnimation.stop();
zoomInAnimation.stop();
zoomOnFocusSequence.stop();
zoomOutAnimation.target = null;
zoomInAnimation.target = null;
zoomOutSeqAnimation.target = null;
zoomInSeqAnimation.target = null;
}
NumberAnimation {
id: zoomOutAnimation
property: "monitorDistance"

7
kwin/src/qml/CameraController.qml
View File

@ -2,7 +2,7 @@ import QtQuick
import QtQuick3D
Item {
id: root
id: cameraController
required property Camera camera
required property var fovDetails
@ -13,9 +13,6 @@ Item {
property bool sbsEnabled: effect.sbsEnabled
property bool customBannerEnabled: effect.customBannerEnabled
implicitWidth: parent.width
implicitHeight: parent.height
Displays {
id: displays
}
@ -63,7 +60,7 @@ Item {
function updateFOV() {
const aspectRatio = displayResolution[0] / displayResolution[1];
camera.fieldOfView = displays.radianToDegree(displays.diagonalToCrossFOVs(
displays.degreeToRadian(root.diagonalFOV),
displays.degreeToRadian(cameraController.diagonalFOV),
aspectRatio
).vertical);
}

2
kwin/src/qml/Displays.qml
View File

@ -48,7 +48,7 @@ QtObject {
}
}
function fovDetails(screens, viewportWidth, viewportHeight, viewportDiagonalFOV, lensDistanceRatio, defaultDisplayDistance, wrappingChoice) {
function buildFovDetails(screens, viewportWidth, viewportHeight, viewportDiagonalFOV, lensDistanceRatio, defaultDisplayDistance, wrappingChoice) {
const aspect = viewportWidth / viewportHeight;
const fovRadians = diagonalToCrossFOVs(degreeToRadian(viewportDiagonalFOV), aspect);
const defaultDistanceVerticalRadians = 2 * Math.atan(Math.tan(fovRadians.vertical / 2) / defaultDisplayDistance);

15
kwin/src/qml/main.qml
View File

@ -25,10 +25,10 @@ Item {
property real viewportDiagonalFOVDegrees: effect.diagonalFOV
property var viewportResolution: effect.displayResolution
property var screens: KWinComponents.Workspace.screens
// .filter(function(screen) {
// return supportedModels.includes(screen.model);
// })
property bool mirrorPhysicalDisplays: effect.physicalDisplaysMode === 2
property var screens: KWinComponents.Workspace.screens.filter(function(screen) {
return mirrorPhysicalDisplays || screen.name.includes("BreezyDesktop") || supportedModels.some(model => screen.model.includes(model));
})
// x value for placing the viewport in the middle of all screens
property real screensXMid: {
@ -62,7 +62,7 @@ Item {
id: displays
}
property var fovDetails: displays.fovDetails(
property var fovDetails: displays.buildFovDetails(
screens,
viewportResolution[0],
viewportResolution[1],
@ -116,13 +116,16 @@ Item {
BreezyDesktop {
id: breezyDesktop
screens: root.screens
fovDetails: root.fovDetails
monitorPlacements: root.monitorPlacements
}
CameraController {
id: cameraController
anchors.fill: parent
camera: camera
fovDetails: fovDetails
fovDetails: root.fovDetails
}
}
}