evan
75b3a2c490
Namespaces were shared across features: `settings` was written by core, the
panel and touch, and `input` by touch and buttons. That made "does this
firmware implement the whole feature?" a question no pointer could answer.
Each namespace now belongs to exactly one feature or to core, so a feature is
a provider pointer and the compiler validates completeness:
gui, node -> screen, tree, under the screen feature
settings -> screen (rotation, theme), sys (timezone),
touch (calibration)
input -> touch, buttons
Runtime::open() no longer requires a GuiProvider; a firmware without one runs
with no screen/tree globals and reports sys.hasFeature("screen") false.
Rotation is one value again: GuiProvider::setRotation applies and persists, so
an app rotating the panel transiently puts the old value back itself.
55 lines
1.4 KiB
Lua
55 lines
1.4 KiB
Lua
package.path = "./lua/lib/?.lua;" .. package.path
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local drawn = {}
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local roles = { "confirm", "back", "right" }
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screen = {
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FONT_SMALL = 0,
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STYLE_NORMAL = 0,
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color = function(r, g, b)
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return r * 65536 + g * 256 + b
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end,
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getWidth = function()
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return 300
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end,
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getHeight = function()
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return 240
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end,
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getFontHeight = function()
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return 8
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end,
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getTextWidth = function(_, text)
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return #text * 6
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end,
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fillRect = function(x, y, w, h)
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drawn.strip = { x, y, w, h }
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end,
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drawText = function(_, x, _, text)
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drawn[#drawn + 1] = { text = text, x = x }
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end,
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}
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buttons = {
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getAll = function()
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return roles
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end,
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}
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local hints = require "hints"
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local height = hints.draw { back = "Close", confirm = "Select", up = "Scroll" }
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assert(height == 14, "height covers the font plus padding")
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assert(drawn.strip[2] == 226, "the strip sits at the bottom by default")
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-- "up" is labelled but this device lacks it, so it never reaches the strip.
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assert(#drawn == 2, "only labelled roles the device reports are drawn")
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assert(drawn[1].text == "Close" and drawn[2].text == "Select", "reading order, not action order")
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assert(drawn[1].x == 60 and drawn[2].x == 207, "each label centres in its slot")
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drawn = {}
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roles = {}
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assert(hints.draw { confirm = "Select" } == 14, "a device with no buttons still clears the strip")
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assert(#drawn == 0 and drawn.strip, "nothing is labelled, but the strip is cleared")
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print "ok"
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