<function name="TestHover" parent="PANEL" type="hook"> <ishook>yes</ishook> <description>Called to test if the panel is being "hovered" by the mouse. This will only be called if the panel's parent is being hovered.</description> <realm>Client</realm> <added>2020.03.20</added> <predicted>No</predicted> <args> <arg name="x" type="number">The x coordinate of the cursor, in screen space.</arg> <arg name="y" type="number">The y coordinate of the cursor, in screen space.</arg> </args> <rets> <ret name="" type="boolean">Return false when the cursor is not considered on the panel, true if it is considered on the panel. Do not return anything for default behavior</ret> </rets> </function> <example> <description></description>⤶ <description>Example usage - makes the button detect clicks as if the button was circular - not rectangular.</description>⤶ <code> </code>⤶ concommand.Add( "testvgui1", function() local frame = vgui.Create( "DFrame" )⤶ frame:SetSize( 300, 400 )⤶ frame:Center()⤶ frame:MakePopup()⤶ ⤶ local DermaButton = vgui.Create( "DButton", frame )⤶ DermaButton:SetText( "Say hi" )⤶ DermaButton:SetPos( 25, 50 )⤶ DermaButton:SetSize( 250, 250 )⤶ function DermaButton:DoClick( self ) chat.AddText( "Hello world" ) end⤶ function DermaButton:TestHover( x, y )⤶ local x, y = self:ScreenToLocal( x, y ) -- Convert to local coordinates⤶ local dist = math.sqrt( (x - self:GetWide() / 2) ^ 2 + ( y - self:GetTall() / 2 ) ^ 2 ) -- Simple distance calculation⤶ return dist < math.min( self:GetWide(), self:GetTall() ) / 2 -- Return true if the cursor is within the buttons circular radius⤶ end⤶ ⤶ function DermaButton:Paint( w, h )⤶ -- Original size⤶ draw.RoundedBox( 0, 0, 0, w, h, Color( 255, 255, 255, 128 ) )⤶ ⤶ -- Circular visualization⤶ local size = math.min( w, h ) / 2⤶ surface.DrawCircle( w / 2, h / 2, size, Color( 255, 120, 0 ) )⤶ end⤶ end )⤶ </code>⤶ <output> </output> </example>