provide all background corners option

--provide an option to force showing of all background
corners

app/view/effects.cpp

@@ -67,6 +67,8 @@ void Effects::init()
         }
     });
 
+    connect(this, &Effects::backgroundAllCornersChanged, this, &Effects::updateEnabledBorders);
+
     connect(m_view, &Latte::View::alignmentChanged, this, &Effects::updateEnabledBorders);
     connect(m_view, &Latte::View::maxLengthChanged, this, &Effects::updateEnabledBorders);
     connect(m_view, &Latte::View::offsetChanged, this, &Effects::updateEnabledBorders);
@@ -108,6 +110,21 @@ void Effects::setAnimationsBlocked(bool blocked)
     emit animationsBlockedChanged();
 }
 
+bool Effects::backgroundAllCorners() const
+{
+    return m_backgroundAllCorners;
+}
+
+void Effects::setBackgroundAllCorners(bool allcorners)
+{
+    if (m_backgroundAllCorners == allcorners) {
+        return;
+    }
+
+    m_backgroundAllCorners = allcorners;
+    emit backgroundAllCornersChanged();
+}
+
 bool Effects::drawShadows() const
 {
     return m_drawShadows;
@@ -514,7 +531,7 @@ void Effects::updateEnabledBorders()
 
     Plasma::FrameSvg::EnabledBorders borders = Plasma::FrameSvg::AllBorders;
 
-    if (!m_view->screenEdgeMarginEnabled()) {
+    if (!m_view->screenEdgeMarginEnabled() && !m_backgroundAllCorners) {
         switch (m_view->location()) {
         case Plasma::Types::TopEdge:
             borders &= ~Plasma::FrameSvg::TopBorder;
@@ -537,6 +554,7 @@ void Effects::updateEnabledBorders()
         }
     }
 
+    if (!m_backgroundAllCorners) {
         if ((m_view->location() == Plasma::Types::LeftEdge || m_view->location() == Plasma::Types::RightEdge)) {
             if (m_view->maxLength() == 1 && m_view->alignment() == Latte::Types::Justify) {
                 if (!m_forceTopBorder) {
@@ -571,6 +589,7 @@ void Effects::updateEnabledBorders()
                 borders &= ~Plasma::FrameSvg::RightBorder;
             }
         }
+    }
 
     if (m_enabledBorders != borders) {
         m_enabledBorders = borders;

app/view/effects.h

@@ -49,6 +49,7 @@ class Effects: public QObject
     Q_PROPERTY(int editShadow READ editShadow WRITE setEditShadow NOTIFY editShadowChanged)
     Q_PROPERTY(int innerShadow READ innerShadow WRITE setInnerShadow NOTIFY innerShadowChanged)
 
+    Q_PROPERTY(bool backgroundAllCorners READ backgroundAllCorners WRITE setBackgroundAllCorners NOTIFY backgroundAllCornersChanged)
     Q_PROPERTY(float backgroundOpacity READ backgroundOpacity WRITE setBackgroundOpacity NOTIFY backgroundOpacityChanged)
 
     Q_PROPERTY(QRect mask READ mask WRITE setMask NOTIFY maskChanged)
@@ -64,6 +65,9 @@ public:
     bool animationsBlocked() const;
     void setAnimationsBlocked(bool blocked);
 
+    bool backgroundAllCorners() const;
+    void setBackgroundAllCorners(bool allcorners);
+
     bool drawShadows() const;
     void setDrawShadows(bool draw);
 
@@ -108,6 +112,7 @@ public slots:
 
 signals:
     void animationsBlockedChanged();
+    void backgroundAllCornersChanged();
     void backgroundOpacityChanged();
     void drawShadowsChanged();
     void drawEffectsChanged();
@@ -132,6 +137,7 @@ private:
 
 private:
     bool m_animationsBlocked{false};
+    bool m_backgroundAllCorners{false};
     bool m_drawShadows{true};
     bool m_drawEffects{false};
     bool m_forceTopBorder{false};

containment/package/contents/config/main.xml

@@ -95,6 +95,9 @@
     <entry name="panelOutline" type="Bool">
       <default>false</default>
     </entry>
+    <entry name="backgroundAllCorners" type="Bool">
+      <default>false</default>
+    </entry>
     <entry name="blurEnabled" type="Bool">
       <default>true</default>
     </entry>

containment/package/contents/ui/VisibilityManager.qml

@@ -276,6 +276,15 @@ Item{
     }
 
     //! View::Effects bindings
+    Binding{
+        target: latteView && latteView.effects ? latteView.effects : null
+        property: "backgroundAllCorners"
+        when: latteView && latteView.effects
+        value: plasmoid.configuration.backgroundAllCorners
+               && (!root.screenEdgeMarginEnabled
+                   || (root.screenEdgeMarginEnabled && plasmoid.configuration.maxLength===100 && !root.hideLengthScreenGaps))
+    }
+
     Binding{
         target: latteView && latteView.effects ? latteView.effects : null
         property: "backgroundOpacity"

containment/package/contents/ui/background/MultiLayered.qml

@@ -58,7 +58,7 @@ BackgroundProperties{
     shadows.bottom: hasBottomBorder ? shadowsSvgItem.margins.bottom : 0
 
     //! it can accept negative values in DockMode
-    screenEdgeMargin: root.screenEdgeMarginEnabled ? metrics.margin.screenEdge - shadows.tailThickness : 0
+    screenEdgeMargin: root.screenEdgeMarginEnabled ? metrics.margin.screenEdge - shadows.tailThickness : -shadows.tailThickness
 
     paddings.top: {
         if (hasTopBorder) {

shell/package/contents/configuration/pages/AppearanceConfig.qml

@@ -1011,7 +1011,7 @@ PlasmaComponents.Page {
                     spacing: 2
                     visible: dialog.advancedLevel
 
-                    readonly property int buttonSize: (dialog.optionsWidth - (spacing*2)) / 3
+                    readonly property int buttonSize: (dialog.optionsWidth - (spacing * (children.length-1))) / children.length
 
                     PlasmaComponents.Button {
                         id: panelBlur
@@ -1057,6 +1057,23 @@ PlasmaComponents.Page {
                             plasmoid.configuration.panelOutline = !plasmoid.configuration.panelOutline;
                         }
                     }
+
+                    PlasmaComponents.Button {
+                        id: allCorners
+                        Layout.minimumWidth: parent.buttonSize
+                        Layout.maximumWidth: Layout.minimumWidth
+                        text: i18n("All Corners")
+                        checked: plasmoid.configuration.backgroundAllCorners
+                        checkable: true
+                        enabled: showBackground.checked
+                                 && ((plasmoid.configuration.screenEdgeMargin===-1)
+                                     || (plasmoid.configuration.screenEdgeMargin>-1 && plasmoid.configuration.maxLength===100))
+                        tooltip: i18n("Background draws all corners at all cases.")
+
+                        onClicked: {
+                            plasmoid.configuration.backgroundAllCorners = !plasmoid.configuration.backgroundAllCorners;
+                        }
+                    }
                 }
 
                 LatteComponents.SubHeader {