Reduce the indicator arrow size for press-and-hold menus in QToolButtons

Summary:
Changes the drawing of inline indicators with QToolButtons so that it
is drawn as a small arrow in the lower right corner.

Test Plan: Show QToolButton with Menu and PopupDelay enabled

Reviewers: #vdg, #breeze, ngraham

Reviewed By: #vdg, #breeze, ngraham

Subscribers: plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D19890

kstyle/breeze.h

@@ -234,7 +234,8 @@ namespace Breeze
         ArrowUp,
         ArrowDown,
         ArrowLeft,
-        ArrowRight
+        ArrowRight,
+        ArrowDown_Small,
     };
 
     //* button type

kstyle/breezehelper.cpp

@@ -1305,6 +1305,7 @@ namespace Breeze
             case ArrowDown: arrow = QVector<QPointF>{QPointF( -4, -2 ), QPointF( 0, 2 ), QPointF( 4, -2 )}; break;
             case ArrowLeft: arrow = QVector<QPointF>{QPointF( 2, -4 ), QPointF( -2, 0 ), QPointF( 2, 4 )}; break;
             case ArrowRight: arrow = QVector<QPointF>{QPointF( -2, -4 ), QPointF( 2, 0 ), QPointF( -2, 4 )}; break;
+            case ArrowDown_Small: arrow = QVector<QPointF>{QPointF( 2, 4 ), QPointF( 4, 6 ), QPointF( 6, 4 )}; break;
             default: break;
         }
 

kstyle/breezestyle.cpp

@@ -2726,15 +2726,9 @@ namespace Breeze
         // get relevant state flags
         const State& state( option->state );
         const bool autoRaise( state & State_AutoRaise );
-        const bool hasPopupMenu( toolButtonOption->features & QStyleOptionToolButton::MenuButtonPopup );
-        const bool hasInlineIndicator(
-            toolButtonOption->features&QStyleOptionToolButton::HasMenu
-            && toolButtonOption->features&QStyleOptionToolButton::PopupDelay
-            && !hasPopupMenu );
 
         const int marginWidth( autoRaise ? Metrics::ToolButton_MarginWidth : Metrics::Button_MarginWidth + Metrics::Frame_FrameWidth );
 
-        if( hasInlineIndicator ) size.rwidth() += Metrics::ToolButton_InlineIndicatorWidth;
         size = expandSize( size, marginWidth );
 
         return size;
@@ -6099,7 +6093,7 @@ namespace Breeze
             copy.rect = menuRect;
 
             if( sunken && !flat ) copy.rect.translate( 1, 1 );
-            drawPrimitive( PE_IndicatorArrowDown, &copy, painter, widget );
+            drawIndicatorArrowPrimitive( ArrowDown_Small, &copy, painter, widget );
 
         }
 
@@ -6127,7 +6121,6 @@ namespace Breeze
 
                 const int marginWidth( flat ? Metrics::ToolButton_MarginWidth : Metrics::Button_MarginWidth + Metrics::Frame_FrameWidth );
                 contentsRect = insideMargin( contentsRect, marginWidth, 0 );
-                contentsRect.setRight( contentsRect.right() - Metrics::ToolButton_InlineIndicatorWidth );
                 contentsRect = visualRect( option, contentsRect );
 
             }