mirror of https://github.com/koreader/koreader
add: demo for inputbox
Qingping Hou
12 years ago
parent
019695255d
commit
8fdb0a4c3e
@ -0,0 +1,153 @@
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require "rendertext"
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require "keys"
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require "graphics"
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InputBox = {
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-- Class vars:
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-- font for displaying input content
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face = freetype.newBuiltinFace("mono", 25),
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fhash = "m25",
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fheight = 25,
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-- font for input title display
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tface = freetype.newBuiltinFace("sans", 28),
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tfhash = "s28",
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-- spacing between lines
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spacing = 40,
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input_start_x = 145,
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input_start_y = nil,
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input_cur_x = nil,
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input_bg = 1,
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-- state buffer
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dirs = nil,
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files = nil,
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items = 0,
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path = "",
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page = 1,
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current = 1,
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oldcurrent = 0,
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}
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function InputBox:setPath(newPath)
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self.path = newPath
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self:readdir()
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self.items = #self.dirs + #self.files
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if self.items == 0 then
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return nil
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end
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self.page = 1
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self.current = 1
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return true
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end
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function InputBox:addChar(text)
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renderUtf8Text(fb.bb, self.input_cur_x, self.input_start_y,
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self.face, self.fhash, text, true)
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fb:refresh(1, self.input_cur_x, self.input_start_y-19, 16, self.fheight)
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self.input_cur_x = self.input_cur_x + 16
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end
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function InputBox:delChar()
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if self.input_start_x == self.input_cur_x then
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return
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end
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self.input_cur_x = self.input_cur_x - 16
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--fill last character with blank rectangle
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fb.bb:paintRect(self.input_cur_x, self.input_start_y-19, 16, self.fheight, self.input_bg)
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fb:refresh(1, self.input_cur_x, self.input_start_y-19, 16, self.fheight)
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end
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function InputBox:input(ypos, height)
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local pagedirty = true
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self.input_start_y = ypos + 35
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self.input_cur_x = self.input_start_x
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while true do
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if pagedirty then
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w = fb.bb:getWidth() - 40
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h = height - 45
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-- draw input border
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fb.bb:paintRect(20, ypos, w, h, 5)
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-- draw input slot
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fb.bb:paintRect(140, ypos + 10, w - 130, h - 20, self.input_bg)
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renderUtf8Text(fb.bb, 35, self.input_start_y, self.face, self.fhash,
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"Search:", true)
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markerdirty = true
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end
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if pagedirty then
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fb:refresh(0, 0, ypos, fb.bb:getWidth(), height)
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pagedirty = false
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end
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local ev = input.waitForEvent()
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if ev.type == EV_KEY and ev.value == EVENT_VALUE_KEY_PRESS then
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print("key code:"..ev.code)
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--ev.code = adjustFWKey(ev.code)
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if ev.code == KEY_FW_UP then
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elseif ev.code == KEY_FW_DOWN then
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elseif ev.code == KEY_A then
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self:addChar("a")
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elseif ev.code == KEY_B then
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self:addChar("b")
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elseif ev.code == KEY_C then
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self:addChar("c")
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elseif ev.code == KEY_D then
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self:addChar("d")
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elseif ev.code == KEY_E then
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self:addChar("e")
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elseif ev.code == KEY_F then
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self:addChar("f")
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elseif ev.code == KEY_G then
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self:addChar("g")
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elseif ev.code == KEY_H then
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self:addChar("h")
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elseif ev.code == KEY_I then
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self:addChar("i")
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elseif ev.code == KEY_J then
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self:addChar("j")
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elseif ev.code == KEY_K then
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self:addChar("k")
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elseif ev.code == KEY_L then
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self:addChar("l")
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elseif ev.code == KEY_M then
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self:addChar("m")
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elseif ev.code == KEY_N then
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self:addChar("n")
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elseif ev.code == KEY_O then
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self:addChar("o")
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elseif ev.code == KEY_P then
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self:addChar("p")
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elseif ev.code == KEY_Q then
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self:addChar("q")
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elseif ev.code == KEY_R then
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self:addChar("r")
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elseif ev.code == KEY_S then
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self:addChar("s")
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elseif ev.code == KEY_T then
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self:addChar("t")
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elseif ev.code == KEY_U then
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self:addChar("u")
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elseif ev.code == KEY_V then
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self:addChar("v")
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elseif ev.code == KEY_W then
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self:addChar("w")
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elseif ev.code == KEY_X then
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self:addChar("x")
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elseif ev.code == KEY_Y then
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self:addChar("y")
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elseif ev.code == KEY_Z then
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self:addChar("z")
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elseif ev.code == KEY_PGFWD then
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elseif ev.code == KEY_PGBCK then
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elseif ev.code == KEY_ENTER or ev.code == KEY_FW_PRESS then
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pagedirty = true
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elseif ev.code == KEY_BACK then
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self:delChar()
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end
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end
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end
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end
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