mirror of https://github.com/koreader/koreader
start working on filesearcher
Qingping Hou
12 years ago
parent
85fedef7a4
commit
32d1bede8c
@ -1,161 +0,0 @@
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require "rendertext"
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require "keys"
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require "graphics"
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FileSeacher = {
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-- font for displaying file/dir names
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face = freetype.newBuiltinFace("sans", 25),
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fhash = "s25",
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-- font for page title
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tface = freetype.newBuiltinFace("Helvetica-BoldOblique", 32),
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tfhash = "hbo32",
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-- font for paging display
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sface = freetype.newBuiltinFace("sans", 16),
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sfhash = "s16",
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-- title height
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title_H = 45,
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-- spacing between lines
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spacing = 40,
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-- foot height
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foot_H = 27,
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x_input = 50,
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-- state buffer
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fonts = {"sans", "cjk", "mono",
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"Courier", "Courier-Bold", "Courier-Oblique", "Courier-BoldOblique",
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"Helvetica", "Helvetica-Oblique", "Helvetica-BoldOblique",
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"Times-Roman", "Times-Bold", "Times-Italic", "Times-BoldItalic",},
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items = 14,
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page = 1,
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current = 2,
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oldcurrent = 1,
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}
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function FileSeacher:init()
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self.items = #self.fonts
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--@TODO check this 17.02 2012
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self.face = freetype.newBuiltinFace("sans", 25),
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table.sort(self.fonts)
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end
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function FileSeacher:choose(ypos, height)
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local perpage = math.floor(height / self.spacing) - 2
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local pagedirty = true
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local markerdirty = false
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local prevItem = function ()
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if self.current == 1 then
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if self.page > 1 then
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self.current = perpage
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self.page = self.page - 1
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pagedirty = true
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end
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else
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self.current = self.current - 1
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markerdirty = true
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end
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end
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local nextItem = function ()
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if self.current == perpage then
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if self.page < (self.items / perpage) then
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self.current = 1
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self.page = self.page + 1
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pagedirty = true
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end
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else
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if self.page ~= math.floor(self.items / perpage) + 1
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or self.current + (self.page-1)*perpage < self.items then
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self.current = self.current + 1
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markerdirty = true
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end
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end
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end
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while true do
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if pagedirty then
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fb.bb:paintRect(0, ypos, fb.bb:getWidth(), height, 0)
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-- draw menu title
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renderUtf8Text(fb.bb, 30, ypos + self.title_H, self.tface, self.tfhash,
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"[ Fonts Menu ]", true)
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local c
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for c = 1, perpage do
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local i = (self.page - 1) * perpage + c
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if i <= self.items then
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y = ypos + self.title_H + (self.spacing * c)
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renderUtf8Text(fb.bb, 50, y, self.face, self.fhash, self.fonts[i], true)
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end
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end
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y = ypos + self.title_H + (self.spacing * perpage) + self.foot_H
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x = (fb.bb:getWidth() / 2) - 50
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renderUtf8Text(fb.bb, x, y, self.sface, self.sfhash,
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"Page "..self.page.." of "..(math.floor(self.items / perpage)+1), true)
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markerdirty = true
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end
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if markerdirty then
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if not pagedirty then
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if self.oldcurrent > 0 then
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y = ypos + self.title_H + (self.spacing * self.oldcurrent) + 10
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fb.bb:paintRect(30, y, fb.bb:getWidth() - 60, 3, 0)
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fb:refresh(1, 30, y, fb.bb:getWidth() - 60, 3)
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end
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end
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-- draw new marker line
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y = ypos + self.title_H + (self.spacing * self.current) + 10
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fb.bb:paintRect(30, y, fb.bb:getWidth() - 60, 3, 15)
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if not pagedirty then
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fb:refresh(1, 30, y, fb.bb:getWidth() - 60, 3)
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end
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self.oldcurrent = self.current
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markerdirty = false
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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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if ev.code == KEY_FW_UP then
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prevItem()
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elseif ev.code == KEY_FW_DOWN then
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nextItem()
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elseif ev.code == KEY_PGFWD then
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if self.page < (self.items / perpage) then
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if self.current + self.page*perpage > self.items then
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self.current = self.items - self.page*perpage
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end
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self.page = self.page + 1
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pagedirty = true
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else
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self.current = self.items - (self.page-1)*perpage
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markerdirty = true
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end
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elseif ev.code == KEY_PGBCK then
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if self.page > 1 then
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self.page = self.page - 1
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pagedirty = true
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else
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self.current = 1
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markerdirty = true
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end
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elseif ev.code == KEY_F then
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self.x_input = self.x_input + 10
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y = ypos + self.title_H + (self.spacing)
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renderUtf8Text(fb.bb, self.x_input, y, self.face, self.fhash, "f", true)
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fb:refresh(1, x_input, ypos, fb.bb:getWidth(), height)
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elseif ev.code == KEY_ENTER or ev.code == KEY_FW_PRESS then
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local newface = self.fonts[perpage*(self.page-1)+self.current]
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return newface
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elseif ev.code == KEY_BACK then
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return nil
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end
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end
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end
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end
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