MAINT-9032 Virtual Track Ball improvements

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)

indra/llui/llvirtualtrackball.h

@@ -130,6 +130,11 @@ class LLVirtualTrackball
     void onRotateLeftClick();
     void onRotateRightClick();
 
+    void onRotateTopMouseEnter();
+    void onRotateBottomMouseEnter();
+    void onRotateLeftMouseEnter();
+    void onRotateRightMouseEnter();
+
     S32 mPrevX;
     S32 mPrevY;
 

indra/newview/skins/default/textures/textures.xml

@@ -695,6 +695,10 @@ with the same filename but different name
   <texture name="VirtualTrackball_Rotate_Left" file_name="widgets/track_control_rotate_left_side.png" />
   <texture name="VirtualTrackball_Rotate_Right" file_name="widgets/track_control_rotate_right_side.png" />
   <texture name="VirtualTrackball_Rotate_Top" file_name="widgets/track_control_rotate_top.png" />
+  <texture name="VirtualTrackball_Rotate_Bottom_Active" file_name="widgets/track_control_rotate_bottom_active.png" />
+  <texture name="VirtualTrackball_Rotate_Left_Active" file_name="widgets/track_control_rotate_left_side_active.png" />
+  <texture name="VirtualTrackball_Rotate_Right_Active" file_name="widgets/track_control_rotate_right_side_active.png" />
+  <texture name="VirtualTrackball_Rotate_Top_Active" file_name="widgets/track_control_rotate_top_active.png" />
   <texture name="VirtualTrackball_Sphere" file_name="widgets/track_control_sphere.png" />
   <texture name="VirtualTrackball_Sun_Back" file_name="widgets/track_control_sun_back.png" />
   <texture name="VirtualTrackball_Sun_Front" file_name="widgets/track_control_sun_front.png" />

indra/newview/skins/default/xui/en/widgets/sun_moon_trackball.xml

@@ -43,26 +43,26 @@
     <sun_moon_trackball.button_rotate_top
         name="btn_rotate_top"
         image_unselected="VirtualTrackball_Rotate_Top"
-        image_selected="VirtualTrackball_Rotate_Top"
-        image_disabled="VirtualTrackball_Rotate_Top" />
+        image_selected="VirtualTrackball_Rotate_Top_Active"
+        image_disabled="Blank" />
 
     <sun_moon_trackball.button_rotate_bottom
         name="btn_rotate_bottom"
         image_unselected="VirtualTrackball_Rotate_Bottom"
-        image_selected="VirtualTrackball_Rotate_Bottom"
-        image_disabled="VirtualTrackball_Rotate_Bottom" />
+        image_selected="VirtualTrackball_Rotate_Bottom_Active"
+        image_disabled="Blank" />
 
     <sun_moon_trackball.button_rotate_left
         name="btn_rotate_left"
         image_unselected="VirtualTrackball_Rotate_Left"
-        image_selected="VirtualTrackball_Rotate_Left"
-        image_disabled="VirtualTrackball_Rotate_Left" />
+        image_selected="VirtualTrackball_Rotate_Left_Active"
+        image_disabled="Blank" />
 
     <sun_moon_trackball.button_rotate_right
         name="btn_rotate_right"
         image_unselected="VirtualTrackball_Rotate_Right"
-        image_selected="VirtualTrackball_Rotate_Right"
-        image_disabled="VirtualTrackball_Rotate_Right" />
+        image_selected="VirtualTrackball_Rotate_Right_Active"
+        image_disabled="Blank" />
 
 </sun_moon_trackball>