Application Menu button support for Plastik

New icon with three lines similar to the one used in Oxygen is added
for application menu support.

REVIEW: 107937

clients/aurorae/themes/plastik/code/plastikbutton.cpp

@@ -91,6 +91,8 @@ QPixmap PlastikButtonProvider::requestPixmap(const QString &id, QSize *size, con
         } else {
             button = ShadeIcon;
         }
+    } else if (idParts[0] == "N") {
+        button = AppMenuIcon;
     } else {
         // not recognized icon
         return QDeclarativeImageProvider::requestPixmap(id, size, requestedSize);
@@ -360,6 +362,13 @@ QPixmap PlastikButtonProvider::icon(ButtonIcon icon, int size, bool active, bool
 
             break;
         }
+        case AppMenuIcon:
+        {
+            drawObject(p, HorizontalLine, r.x(), r.top()+(lwTitleBar-1), r.width(), lwTitleBar);
+            drawObject(p, HorizontalLine, r.x(), r.center().y(), r.width(), lwTitleBar);
+            drawObject(p, HorizontalLine, r.x(), r.bottom()-(lwTitleBar-1), r.width(), lwTitleBar);
+            break;
+        }
 
         default:
             break;

clients/aurorae/themes/plastik/code/plastikbutton.h

@@ -43,6 +43,7 @@ private:
         NoKeepBelowIcon,
         ShadeIcon,
         UnShadeIcon,
+        AppMenuIcon,
         NumButtonIcons
     };
     enum Object {

clients/aurorae/themes/plastik/package/contents/ui/PlastikButton.qml

@@ -143,11 +143,19 @@ DecorationButton {
         if (buttonType == "H") {
             visible = decoration.providesContextHelp;
         }
+        if (buttonType == "N") {
+            visible = decoration.appMenu;
+        }
     }
     onHoveredChanged: colorize()
     onPressedChanged: colorize()
     Connections {
         target: decoration
         onActiveChanged: button.colorize()
+        onAppMenuChanged: {
+            if (buttonType == "N") {
+                visible = decoration.appMenu;
+            }
+        }
     }
 }

clients/aurorae/themes/plastik/package/contents/ui/main.qml

@@ -267,6 +267,7 @@ Decoration {
                     spacing: 1
                     explicitSpacer: root.buttonSize
                     menuButton: menuButtonComponent
+                    appMenuButton: appMenuButtonComponent
                     minimizeButton: minimizeButtonComponent
                     maximizeButton: maximizeButtonComponent
                     keepBelowButton: keepBelowButtonComponent
@@ -305,6 +306,7 @@ Decoration {
                     spacing: 1
                     explicitSpacer: root.buttonSize
                     menuButton: menuButtonComponent
+                    appMenuButton: appMenuButtonComponent
                     minimizeButton: minimizeButtonComponent
                     maximizeButton: maximizeButtonComponent
                     keepBelowButton: keepBelowButtonComponent
@@ -402,6 +404,13 @@ Decoration {
             height: root.buttonSize
         }
     }
+    Component {
+        id: appMenuButtonComponent
+        PlastikButton {
+            buttonType: "N"
+            size: root.buttonSize
+        }
+    }
     Component.onCompleted: readConfig()
     Connections {
         target: decoration