MAINT-9032 Virtual Track Ball improvements

2 files changed, 36 insertions, 0 deletions

diff --git a/indra/llui/llvirtualtrackball.cpp b/indra/llui/llvirtualtrackball.cpp
index e73bba57bb..723643dd25 100644
--- a/indra/llui/llvirtualtrackball.cpp
+++ b/indra/llui/llvirtualtrackball.cpp
@@ -88,6 +88,7 @@ LLVirtualTrackball::LLVirtualTrackball(const LLVirtualTrackball::Params& p)
     btn_rt.rect(LLRect(centerX - axis_offset_lt, border_rect.mTop, centerX + axis_offset_rb, border_rect.mTop - btn_size));
     btn_rt.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateTopClick, this));
     btn_rt.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateTopClick, this));
+    btn_rt.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateTopMouseEnter, this));
     mBtnRotateTop = LLUICtrlFactory::create<LLButton>(btn_rt);
     addChild(mBtnRotateTop);
 
@@ -104,6 +105,7 @@ LLVirtualTrackball::LLVirtualTrackball(const LLVirtualTrackball::Params& p)
     btn_rr.rect(LLRect(border_rect.mRight - btn_size, centerY + axis_offset_lt, border_rect.mRight, centerY - axis_offset_rb));
     btn_rr.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateRightClick, this));
     btn_rr.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateRightClick, this));
+    btn_rr.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateRightMouseEnter, this));
     mBtnRotateRight = LLUICtrlFactory::create<LLButton>(btn_rr);
     addChild(mBtnRotateRight);
 
@@ -120,6 +122,7 @@ LLVirtualTrackball::LLVirtualTrackball(const LLVirtualTrackball::Params& p)
     btn_rb.rect(LLRect(centerX - axis_offset_lt, border_rect.mBottom + btn_size, centerX + axis_offset_rb, border_rect.mBottom));
     btn_rb.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateBottomClick, this));
     btn_rb.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateBottomClick, this));
+    btn_rb.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateBottomMouseEnter, this));
     mBtnRotateBottom = LLUICtrlFactory::create<LLButton>(btn_rb);
     addChild(mBtnRotateBottom);
 
@@ -136,6 +139,7 @@ LLVirtualTrackball::LLVirtualTrackball(const LLVirtualTrackball::Params& p)
     btn_rl.rect(LLRect(border_rect.mLeft, centerY + axis_offset_lt, border_rect.mLeft + btn_size, centerY - axis_offset_rb));
     btn_rl.click_callback.function(boost::bind(&LLVirtualTrackball::onRotateLeftClick, this));
     btn_rl.mouse_held_callback.function(boost::bind(&LLVirtualTrackball::onRotateLeftClick, this));
+    btn_rl.mouseenter_callback.function(boost::bind(&LLVirtualTrackball::onRotateLeftMouseEnter, this));
     mBtnRotateLeft = LLUICtrlFactory::create<LLButton>(btn_rl);
     addChild(mBtnRotateLeft);
 
@@ -228,6 +232,13 @@ void LLVirtualTrackball::draw()
         gl_circle_2d(draw_point.mV[VX], draw_point.mV[VY], mImgSunFront->getWidth() / 2, 12, false);
     }
 
+    // hide the direction labels when disabled
+    BOOL enabled = isInEnabledChain();
+    mLabelN->setVisible(enabled);
+    mLabelE->setVisible(enabled);
+    mLabelS->setVisible(enabled);
+    mLabelW->setVisible(enabled);
+
     LLView::draw();
 }
 
@@ -283,6 +294,26 @@ void LLVirtualTrackball::onRotateRightClick()
     }
 }
 
+void LLVirtualTrackball::onRotateTopMouseEnter()
+{
+    mBtnRotateTop->setHighlight(true);
+}
+
+void LLVirtualTrackball::onRotateBottomMouseEnter()
+{
+    mBtnRotateBottom->setHighlight(true);
+}
+
+void LLVirtualTrackball::onRotateLeftMouseEnter()
+{
+    mBtnRotateLeft->setHighlight(true);
+}
+
+void LLVirtualTrackball::onRotateRightMouseEnter()
+{
+    mBtnRotateRight->setHighlight(true);
+}
+
 void LLVirtualTrackball::setValue(const LLSD& value)
 {
 	if (value.isArray() && value.size() == 4)
diff --git a/indra/llui/llvirtualtrackball.h b/indra/llui/llvirtualtrackball.h
index 48ddb7f4d9..2d4b1ece17 100644
--- a/indra/llui/llvirtualtrackball.h
+++ b/indra/llui/llvirtualtrackball.h
@@ -130,6 +130,11 @@ private:
     void onRotateLeftClick();
     void onRotateRightClick();
 
+    void onRotateTopMouseEnter();
+    void onRotateBottomMouseEnter();
+    void onRotateLeftMouseEnter();
+    void onRotateRightMouseEnter();
+
     S32 mPrevX;
     S32 mPrevY;