Sync r872210 from oxygen.

svn path=/trunk/KDE/kdebase/workspace/; revision=872701

clients/ozone/oxygen.cpp

@@ -149,6 +149,7 @@ bool OxygenFactory::supports( Ability ability ) const
         case AbilityButtonAboveOthers:
         case AbilityButtonBelowOthers:
         case AbilityButtonSpacer:
+        case AbilityButtonShade:
             return true;
         // no colors supported at this time
         default:

clients/ozone/oxygen.h

@@ -50,6 +50,7 @@ enum ButtonType {
     ButtonSticky,
     ButtonAbove,
     ButtonBelow,
+    ButtonShade,
     ButtonTypeCount
 };
 Q_DECLARE_FLAGS(ButtonTypes, ButtonType)

clients/ozone/oxygenbutton.cpp

@@ -335,6 +335,18 @@ void OxygenButton::drawIcon(QPainter *p, QPalette &pal, ButtonType &type)
             p->drawLine(QPointF( 7.5, 7), QPointF(10.5,10));
             p->drawLine(QPointF(10.5,10), QPointF(13.5, 7));
             break;
+        case ButtonShade:
+            if (!isChecked()) // shade button
+            {
+                p->drawLine(QPointF( 7.5, 7.5), QPointF(10.5,10.5));
+                p->drawLine(QPointF(10.5,10.5), QPointF(13.5, 7.5));
+                p->drawLine(QPointF( 7.5,13.0), QPointF(13.5,13.0));
+            } else { // unshade button
+                p->drawLine(QPointF( 7.5,10.5), QPointF(10.5, 7.5));
+                p->drawLine(QPointF(10.5, 7.5), QPointF(13.5,10.5));
+                p->drawLine(QPointF( 7.5,13.0), QPointF(13.5,13.0));
+            }
+            break;
         default:
             break;
     }

clients/ozone/oxygenclient.cpp

@@ -202,6 +202,9 @@ KCommonDecorationButton *OxygenClient::createButton(::ButtonType type)
         case OnAllDesktopsButton:
             return new OxygenButton(*this, i18n("On All Desktops"), ButtonSticky);
 
+        case ShadeButton:
+            return new OxygenButton(*this, i18n("Shade Button"), ButtonShade);
+
         default:
             return 0;
     }