114 lines
2.9 KiB
Lua
114 lines
2.9 KiB
Lua
-- default style
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local color = {
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normal = {bg = {128,128,128,200}, fg = {59,59,59,200}},
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hot = {bg = {145,153,153,200}, fg = {60,61,54,200}},
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active = {bg = {145,153,153,255}, fg = {60,61,54,255}}
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}
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-- load default font
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if not love.graphics.getFont() then
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love.graphics.setFont(love.graphics.newFont(12))
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end
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local function Button(state, title, x,y,w,h)
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local c = color[state]
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love.graphics.setColor(c.bg)
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love.graphics.rectangle('fill', x,y,w,h)
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love.graphics.setColor(c.fg)
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local f = love.graphics.getFont()
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love.graphics.print(title, x + (w-f:getWidth(title))/2, y + (h-f:getHeight(title))/2)
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end
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local function Label(state, text, x,y,w,h,align)
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local c = color[state]
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love.graphics.setColor(c.fg)
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local f = assert(love.graphics.getFont())
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if align == 'center' then
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x = x + (w - f:getWidth(text))/2
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y = y + (h - f:getHeight(text))/2
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elseif align == 'right' then
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x = x + w - f:getWidth(text)
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y = y + h - f:getHeight(text)
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end
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love.graphics.print(text, x,y)
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end
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local function Slider(state, fraction, x,y,w,h, vertical)
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local c = color[state]
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love.graphics.setColor(c.bg)
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love.graphics.rectangle('fill', x,y,w,h)
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love.graphics.setColor(c.fg)
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local hw,hh = w,h
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if vertical then
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hh = h * fraction
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y = y + (h - hh)
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else
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hw = w * fraction
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end
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love.graphics.rectangle('fill', x,y,hw,hh)
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end
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local function Slider2D(state, fraction, x,y,w,h, vertical)
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local c = color[state]
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love.graphics.setColor(c.bg)
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love.graphics.rectangle('fill', x,y,w,h)
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-- draw quadrants
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local lw = love.graphics.getLineWidth()
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love.graphics.setLineWidth(1)
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love.graphics.setColor(c.fg[1], c.fg[2], c.fg[3], math.min(c.fg[4], 127))
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love.graphics.line(x+w/2,y, x+w/2,y+h)
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love.graphics.line(x,y+h/2, x+w,y+h/2)
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love.graphics.setLineWidth(lw)
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-- draw cursor
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local xx = x + fraction.x * w
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local yy = y + fraction.y * h
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love.graphics.setColor(c.fg)
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love.graphics.circle('fill', xx,yy,4,4)
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end
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local function Input(state, text, cursor, x,y,w,h)
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local c = color[state]
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love.graphics.setColor(c.bg)
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love.graphics.rectangle('fill', x,y,w,h)
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love.graphics.setColor(c.fg)
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local lw = love.graphics.getLineWidth()
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love.graphics.setLineWidth(1)
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love.graphics.rectangle('line', x,y,w,h)
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local f = love.graphics.getFont()
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local th = f:getHeight(text)
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local cursorPos = x + 2 + f:getWidth(text:sub(1,cursor))
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love.graphics.print(text, x+2,y+(h-th)/2)
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love.graphics.line(cursorPos, y+4, cursorPos, y+h-4)
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love.graphics.setLineWidth(lw)
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end
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local function Checkbox(state, checked, x,y,w,h)
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local c = color[state]
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love.graphics.setColor(c.bg)
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love.graphics.rectangle('fill', x,y,w,h)
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love.graphics.setColor(c.fg)
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love.graphics.rectangle('line', x,y,w,h)
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if checked then
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local r = math.max(math.min(w/7,h/7), 2)
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love.graphics.rectangle('fill', x+r,y+r, w-2*r,h-2*r)
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end
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end
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-- the style
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return {
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color = color,
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Button = Button,
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Label = Label,
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Slider = Slider,
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Slider2D = Slider2D,
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Input = Input,
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Checkbox = Checkbox,
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}
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