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tooltips.lua
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tooltips.lua
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--=============================================================================--
-- ___ ___ _ _ _ __ _ ___ ___ __ __
-- |_ _|| __| / \ | \_/ | / _| / \ | o \ o \\ V /
-- | | | _| | o || \_/ | ( |_n| o || / / \ /
-- |_| |___||_n_||_| |_| \__/|_n_||_|\\_|\\ |_| 2007
--
--=============================================================================--
local Tooltip = nil
local TooltippedPanel = nil
--[[---------------------------------------------------------
Name: ChangeTooltip
Called from engine on hovering over a panel
-----------------------------------------------------------]]
function RemoveTooltip( PositionPanel )
if ( !IsValid( Tooltip ) ) then return true end
Tooltip:Close()
Tooltip = nil
return true
end
--[[---------------------------------------------------------
Name: FindTooltip
-----------------------------------------------------------]]
function FindTooltip( panel )
--
-- Look at the parent panel for tooltips.
--
while ( panel && panel:IsValid() ) do
if ( panel.strTooltipText || panel.pnlTooltipPanel ) then
return panel.strTooltipText, panel.pnlTooltipPanel, panel
end
panel = panel:GetParent()
end
end
--[[---------------------------------------------------------
Name: ChangeTooltip
Called from engine on hovering over a panel
-----------------------------------------------------------]]
function ChangeTooltip( panel )
RemoveTooltip()
local Text, Panel, PositionPanel = FindTooltip( panel )
if ( !Text && !Panel ) then return end
Tooltip = vgui.Create( "DTooltip" )
if ( Text ) then
Tooltip:SetText( Text )
else
Tooltip:SetContents( Panel, false )
end
Tooltip:OpenForPanel( PositionPanel )
TooltippedPanel = panel
end
--[[---------------------------------------------------------
Name: EndTooltip
Called from engine on exiting from a panel
-----------------------------------------------------------]]
function EndTooltip( panel )
if ( !TooltippedPanel ) then return end
if ( TooltippedPanel != panel ) then return end
RemoveTooltip()
end