EXP-1312 FIX Floaters should appear in region not covered by toolbars

moved floater snap region to middle of toolbars and constrained floaters to that snap region
also made toybox floater pass all drag and drop events along to toolbar

indra/llui/llfloater.cpp

@@ -2549,7 +2549,7 @@ void LLFloaterView::adjustToFitScreen(LLFloater* floater, BOOL allow_partial_out
 	}
 
 	// move window fully onscreen
-	if (floater->translateIntoRect( getLocalRect(), allow_partial_outside ))
+	if (floater->translateIntoRect( getSnapRect(), allow_partial_outside ))
 	{
 		floater->clearSnapTarget();
 	}

indra/newview/llfloatertoybox.cpp

@@ -120,5 +120,16 @@ void LLFloaterToybox::onBtnRestoreDefaults()
 	LLToolBarView::loadDefaultToolbars();
 }
 
+BOOL LLFloaterToybox::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+	EDragAndDropType cargo_type,
+	void* cargo_data,
+	EAcceptance* accept,
+	std::string& tooltip_msg)
+{
+	S32 local_x = x - mToolBar->getRect().mLeft;
+	S32 local_y = y - mToolBar->getRect().mBottom;
+	return mToolBar->handleDragAndDrop(local_x, local_y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
+}
+
 
 // eof

indra/newview/llfloatertoybox.h

@@ -43,6 +43,11 @@ class LLFloaterToybox : public LLFloater
 	// virtuals
 	BOOL postBuild();
 	void draw();
+	/*virtual*/ BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+		EDragAndDropType cargo_type,
+		void* cargo_data,
+		EAcceptance* accept,
+		std::string& tooltip_msg);
 
 protected:
 	void onBtnRestoreDefaults();

indra/newview/skins/default/xui/en/main_view.xml

@@ -74,13 +74,6 @@
                           user_resize="false" 
                           name="hud container"
                           width="500">
-              <view top="0"
-                    follows="all"
-                    height="500"
-                    left="0"
-                    mouse_opaque="false"
-                    name="floater_snap_region"
-                    width="500"/>
               <panel follows="left|top"
                      height="19"
                      left="0"

indra/newview/skins/default/xui/en/panel_toolbar_view.xml

@@ -55,6 +55,13 @@
                     mouse_opaque="false"
                     height="100"
                     width="100">
+        <view top="0"
+              follows="all"
+              height="100"
+              left="0"
+              mouse_opaque="false"
+              name="floater_snap_region"
+              width="100"/>
         <panel bottom="100"
                follows="left|right|bottom"
                height="25"