79 lines
1.7 KiB
Lua
79 lines
1.7 KiB
Lua
local lg = love.graphics
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local t = {
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name = "",
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tooltip = "button",
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icon = lg.newImage( "icons/eye.bmp" ),
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x = 8,
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y = 250,
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w = 176,
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h = 24,
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visible = true,
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callback = function( self ) return print( "clicked button: ", self.name, self.x, self.y, self.w, self.h, self.visible ) end
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}
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t.selected, t.next, t.prev = t, t, t
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function t.contains( button, x, y )
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return x < button.x + button.w and x > button.x
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and y < button.y + button.h and y > button.y
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end
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function t.new( b )
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b = setmetatable( b or {}, t )
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b.next = t
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t.prev.next = b
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b.prev = t.prev
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t.prev = b
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return b
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end
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local drawPassOngoing = false
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function t.draw( b )
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if b == t then
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drawPassOngoing = not( drawPassOngoing )
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if not drawPassOngoing then return end
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elseif b.visible then
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lg.rectangle( "line", b.x, b.y, b.w, b.h, 6 )
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lg.printf( b.name,
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b.x,
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b.y + 0.5 * ( b.h- lg.getFont():getHeight() ),
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b.w - 5,
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"right" )
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if b.icon then lg.draw( b.icon,
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b.x, b.y + 0.5 * (b.h - b.icon:getHeight()),
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0,
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0.5, 0.5 )
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end
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if t.selected == b then
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lg.rectangle( "fill", b.x, b.y, b.w, b.h, 6 )
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end
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end
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return t.draw( b.next )
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end
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function t.select( b )
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t.selected = b
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end
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function t.selectNext()
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repeat t.selected = t.selected.next until t.selected.visible
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end
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function t.selectPrev()
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repeat t.selected = t.selected.prev until t.selected.visible
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end
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function t.selectIn( x, y )
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t.selected = t
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repeat t.selected = t.selected.next until (t.selected == t) or (t.selected.visible and t.selected:contains( x, y ))
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end
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function t.deselect( b )
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t.selected = t
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end
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setmetatable( t, t )
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t.__index = t
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t.__call = t.new
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return t |