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dmenu.lua
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311 lines (200 loc) · 6.41 KB
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local PANEL = {}
AccessorFunc( PANEL, "m_bBorder", "DrawBorder" )
AccessorFunc( PANEL, "m_bDeleteSelf", "DeleteSelf" )
AccessorFunc( PANEL, "m_iMinimumWidth", "MinimumWidth" )
AccessorFunc( PANEL, "m_bDrawColumn", "DrawColumn" )
AccessorFunc( PANEL, "m_iMaxHeight", "MaxHeight" )
AccessorFunc( PANEL, "m_pOpenSubMenu", "OpenSubMenu" )
function PANEL:Init()
self:SetIsMenu( true )
self:SetDrawBorder( true )
self:SetPaintBackground( true )
self:SetMinimumWidth( 100 )
self:SetDrawOnTop( true )
self:SetMaxHeight( ScrH() * 0.9 )
self:SetDeleteSelf( true )
self:SetPadding( 0 )
-- Automatically remove this panel when menus are to be closed
RegisterDermaMenuForClose( self )
end
function PANEL:AddPanel( pnl )
self:AddItem( pnl )
pnl.ParentMenu = self
end
function PANEL:AddOption( strText, funcFunction )
local pnl = vgui.Create( "DMenuOption", self )
pnl:SetMenu( self )
pnl:SetText( strText )
if ( funcFunction ) then pnl.DoClick = funcFunction end
self:AddPanel( pnl )
return pnl
end
function PANEL:AddCVar( strText, convar, on, off, funcFunction )
local pnl = vgui.Create( "DMenuOptionCVar", self )
pnl:SetMenu( self )
pnl:SetText( strText )
if ( funcFunction ) then pnl.DoClick = funcFunction end
pnl:SetConVar( convar )
pnl:SetValueOn( on )
pnl:SetValueOff( off )
self:AddPanel( pnl )
return pnl
end
function PANEL:AddSpacer()
local pnl = vgui.Create( "DPanel", self )
pnl.Paint = function( p, w, h )
derma.SkinHook( "Paint", "MenuSpacer", p, w, h )
end
pnl:SetTall( 1 )
self:AddPanel( pnl )
return pnl
end
function PANEL:AddSubMenu( strText, funcFunction )
local pnl = vgui.Create( "DMenuOption", self )
local SubMenu = pnl:AddSubMenu()
pnl:SetText( strText )
if ( funcFunction ) then pnl.DoClick = funcFunction end
self:AddPanel( pnl )
return SubMenu, pnl
end
function PANEL:Hide()
local openmenu = self:GetOpenSubMenu()
if ( openmenu ) then
openmenu:Hide()
end
self:SetVisible( false )
self:SetOpenSubMenu( nil )
end
function PANEL:OpenSubMenu( item, menu )
-- Do we already have a menu open?
local openmenu = self:GetOpenSubMenu()
if ( IsValid( openmenu ) && openmenu:IsVisible() ) then
-- Don't open it again!
if ( menu && openmenu == menu ) then return end
-- Close it!
self:CloseSubMenu( openmenu )
end
if ( !IsValid( menu ) ) then return end
local x, y = item:LocalToScreen( self:GetWide(), 0 )
menu:Open( x - 3, y, false, item )
self:SetOpenSubMenu( menu )
end
function PANEL:CloseSubMenu( menu )
menu:Hide()
self:SetOpenSubMenu( nil )
end
function PANEL:Paint( w, h )
if ( !self:GetPaintBackground() ) then return end
derma.SkinHook( "Paint", "Menu", self, w, h )
return true
end
function PANEL:ChildCount()
return #self:GetCanvas():GetChildren()
end
function PANEL:GetChild( num )
return self:GetCanvas():GetChildren()[ num ]
end
function PANEL:PerformLayout( w, h )
local minW = self:GetMinimumWidth()
-- Find the widest one
for k, pnl in ipairs( self:GetCanvas():GetChildren() ) do
pnl:InvalidateLayout( true )
minW = math.max( minW, pnl:GetWide() )
end
self:SetWide( minW )
local y = 0 -- for padding
for k, pnl in ipairs( self:GetCanvas():GetChildren() ) do
pnl:SetWide( minW )
pnl:SetPos( 0, y )
pnl:InvalidateLayout( true )
y = y + pnl:GetTall()
end
y = math.min( y, self:GetMaxHeight() )
self:SetTall( y )
derma.SkinHook( "Layout", "Menu", self )
DScrollPanel.PerformLayout( self, minW, h )
end
--[[---------------------------------------------------------
Open - Opens the menu.
x and y are optional, if they're not provided the menu
will appear at the cursor.
-----------------------------------------------------------]]
function PANEL:Open( x, y, skipanimation, ownerpanel )
RegisterDermaMenuForClose( self )
local maunal = x && y
x = x or gui.MouseX()
y = y or gui.MouseY()
local OwnerHeight = 0
local OwnerWidth = 0
if ( ownerpanel ) then
OwnerWidth, OwnerHeight = ownerpanel:GetSize()
end
self:InvalidateLayout( true )
local w = self:GetWide()
local h = self:GetTall()
self:SetSize( w, h )
if ( y + h > ScrH() ) then y = ( ( maunal && ScrH() ) or ( y + OwnerHeight ) ) - h end
if ( x + w > ScrW() ) then x = ( ( maunal && ScrW() ) or x ) - w end
if ( y < 1 ) then y = 1 end
if ( x < 1 ) then x = 1 end
local p = self:GetParent()
if ( IsValid( p ) && p:IsModal() ) then
-- Can't popup while we are parented to a modal panel
-- We will end up behind the modal panel in that case
x, y = p:ScreenToLocal( x, y )
-- We have to reclamp the values
if ( y + h > p:GetTall() ) then y = p:GetTall() - h end
if ( x + w > p:GetWide() ) then x = p:GetWide() - w end
if ( y < 1 ) then y = 1 end
if ( x < 1 ) then x = 1 end
self:SetPos( x, y )
else
self:SetPos( x, y )
-- Popup!
self:MakePopup()
end
-- Make sure it's visible!
self:SetVisible( true )
-- Keep the mouse active while the menu is visible.
self:SetKeyboardInputEnabled( false )
end
--
-- Called by DMenuOption
--
function PANEL:OptionSelectedInternal( option )
self:OptionSelected( option, option:GetText() )
end
function PANEL:OptionSelected( option, text )
-- For override
end
function PANEL:ClearHighlights()
for k, pnl in ipairs( self:GetCanvas():GetChildren() ) do
pnl.Highlight = nil
end
end
function PANEL:HighlightItem( item )
for k, pnl in ipairs( self:GetCanvas():GetChildren() ) do
if ( pnl == item ) then
pnl.Highlight = true
end
end
end
function PANEL:GenerateExample( ClassName, PropertySheet, Width, Height )
local MenuItemSelected = function()
Derma_Message( "Choosing a menu item worked!" )
end
local ctrl = vgui.Create( "Button" )
ctrl:SetText( "Test Me!" )
ctrl.DoClick = function()
local menu = DermaMenu()
menu:AddOption( "Option One", MenuItemSelected )
menu:AddOption( "Option 2", MenuItemSelected )
local submenu = menu:AddSubMenu( "Option Free" )
submenu:AddOption( "Submenu 1", MenuItemSelected )
submenu:AddOption( "Submenu 2", MenuItemSelected )
menu:AddOption( "Option For", MenuItemSelected )
menu:Open()
end
PropertySheet:AddSheet( ClassName, ctrl, nil, true, true )
end
derma.DefineControl( "DMenu", "A Menu", PANEL, "DScrollPanel" )