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Update KTC1 draft, add palette 'suggestion' mechanism, and write a usable draft of us-evrst
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KTC1.md
2
KTC1.md
@ -14,7 +14,7 @@ A 256-colour palette is assumed, and it is assumed that the palette is provided
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A KTC1 block is one OpenComputers character (2x4 pixels), and is 4 bytes long.
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The format amounts to a foreground palette index, a background palette index,
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The format amounts to a background palette index, a foreground palette index,
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and a Unicode character index in the Basic Multilingual Plane.
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The unicode character is displayed with the given colours at the position of the
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@ -500,6 +500,22 @@ everestProvider(function (pkg, pid, sendSig)
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if y == 0 then return end
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handleSpan(surf, x, y + 1, text, bg, fg)
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end,
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recommendPalette = function (pal)
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neo.ensureType(pal, "table")
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if neo.dead then return 0 end
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if not focusState then return 0 end
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local m = monitors[surf[1]]
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if not m then return 0 end
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local cb, rb = m[1]()
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if not cb then return 0 end
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if rb then
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monitorResetBF(m)
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end
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for k, v in ipairs(pal) do
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local ok = pcall(cb.setPaletteColor, k - 1, v)
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if not ok then return k - 1 end
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end
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end,
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close = function ()
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if neo.dead then return end
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local os1 = surfaces[1]
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@ -13,6 +13,46 @@ Implementing this API, by definition,
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heavily restricted unless the user
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uses the Advanced Settings panel.
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The API gives you a function:
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(w, h, title) -> window
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This function creates a window.
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Window fields:
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id: Window ID.
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setSize(w, h): Changes the size of
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the window, and sends the line
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events (even if the size doesn't
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change)
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getDepth(): Returns the depth of the
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screen the window is on.
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span(x, y, text, bg, fg): Draws a
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span onto the screen.
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This function will error if the
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Everest instance is dead.
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(Others won't.)
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recommendPalette(pal): If the window
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is focused, sets the first #pal
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palette entries to the given RGB
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values.
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This is meant only as a hint to
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Everest, and may be ignored.
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Returns 0.
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close(): Close the window.
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Events:
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api, id, "key", ka, kc, down
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api, id, "touch"/"drag"/"drop",
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lx, ly, ix, iy, button
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api, id, "scroll",
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lx, ly, ix, iy, amount
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api, id, "clipboard", text
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api, id, "close"
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api, id, "focus", hasFocus
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api, id, "line", lineIndex
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-- This is released into
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the public domain.
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-- No warranty is provided,
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