40 lines
1.3 KiB
Lua
40 lines
1.3 KiB
Lua
-- Simple immediate-mode buttons with (currently) just an onpress1 handler for
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-- the left button.
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--
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-- Buttons can nest in principle, though I haven't actually used that yet.
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--
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-- Don't rely on the order in which handlers are run. Within any widget, all
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-- applicable button handlers will run. If _any_ of them returns true, the
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-- event will continue to propagate elsewhere in the widget.
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-- draw button and queue up event handlers
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function button(State, name, params)
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if State.button_handlers == nil then
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State.button_handlers = {}
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end
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love.graphics.setColor(params.color[1], params.color[2], params.color[3])
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love.graphics.rectangle('fill', params.x,params.y, params.w,params.h, 5,5)
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if params.icon then params.icon(params) end
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table.insert(State.button_handlers, params)
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end
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-- process button event handlers
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function mouse_press_consumed_by_any_button_handler(State, x, y, mouse_button)
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if State.button_handlers == nil then
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return
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end
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local button_pressed = false
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local consume_press = true
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for _,ev in ipairs(State.button_handlers) do
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if x>ev.x and x<ev.x+ev.w and y>ev.y and y<ev.y+ev.h then
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if ev.onpress1 and mouse_button == 1 then
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button_pressed = true
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if ev.onpress1() then
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consume_press = false
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end
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end
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end
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end
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return button_pressed and consume_press
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end
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