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							61 lines
						
					
					
						
							1.4 KiB
						
					
					
				
			
		
		
	
	
							61 lines
						
					
					
						
							1.4 KiB
						
					
					
				local function group_example()
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    local g = lvgl.group.create()
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    g:set_default()
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    -- for demo purpose, set all indev to use this group
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    local indev = nil
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    while true do
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        indev = lvgl.indev.get_next(indev)
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        if not indev then break end
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        local t = indev:get_type()
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        if t == 2 or t == 4 then
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            indev:set_group(g)
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        end
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    end
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    local style = lvgl.Style({
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            border_width = 5,
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            border_color = "#a00",
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        })
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    local root = lvgl.Object(nil, {
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            w = lvgl.PCT(100),
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            h = lvgl.PCT(100),
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            align = lvgl.ALIGN.CENTER,
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            bg_color = "#aaa",
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            flex = {
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                flex_direction = "row",
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                flex_wrap = "wrap"
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            }
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        })
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    root:add_style(style, lvgl.STATE.FOCUSED)
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    for _ = 1, 5 do
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        local obj = root:Object({
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                w = lvgl.PCT(50),
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                h = lvgl.PCT(50),
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                bg_color = "#555",
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            })
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        obj:add_style(style, lvgl.STATE.FOCUSED)
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        obj:onClicked(function(obj, code)
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            print("clicked: ", obj)
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        end)
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        obj:onevent(lvgl.EVENT.FOCUSED, function(obj, code)
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            print("focused: ", obj)
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            obj:scroll_to_view(true)
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        end)
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        obj:onevent(lvgl.EVENT.DEFOCUSED, function(obj, code)
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            print("defocused: ", obj)
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        end)
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        g:add_obj(obj)
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    end
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end
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group_example()
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