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110 lines
2.9 KiB
Lua
110 lines
2.9 KiB
Lua
ReaderFont = InputContainer:new{
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key_events = {
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ShowFontMenu = { {"F"}, doc = "show font menu"},
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IncreaseSize = {
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{ "Shift", Input.group.PgFwd },
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doc = "increase font size",
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event = "ChangeSize", args = "increase" },
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DecreaseSize = {
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{ "Shift", Input.group.PgBack },
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doc = "decrease font size",
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event = "ChangeSize", args = "decrease" },
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IncreaseLineSpace = {
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{ "Alt", Input.group.PgFwd },
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doc = "increase line space",
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event = "ChangeLineSpace", args = "increase" },
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DecreaseLineSpace = {
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{ "Alt", Input.group.PgBack },
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doc = "decrease line space",
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event = "ChangeLineSpace", args = "decrease" },
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},
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dimen = Geom:new{ w = Screen:getWidth()-20, h = Screen:getHeight()-20},
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font_face = nil,
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font_size = nil,
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line_space_percent = 100,
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}
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function ReaderFont:init()
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self.font_face = self.ui.document:getFontFace()
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self.font_size = self.ui.document:getFontSize()
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end
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function ReaderFont:onSetDimensions(dimen)
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self.dimen = dimen
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end
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function ReaderFont:onShowFontMenu()
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-- build menu item_table
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local face_list = cre.getFontFaces()
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for k,v in ipairs(face_list) do
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face_list[k] = {text = v}
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end
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-- NuPogodi, 18.05.12: define the number of the current font in face_list
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--local item_no = 0
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--while face_list[item_no] ~= self.font_face and item_no < #face_list do
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--item_no = item_no + 1
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--end
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--local fonts_menu = Menu:new{
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--menu_title = "Fonts Menu",
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--item_array = face_list,
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--current_entry = item_no - 1,
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--}
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local font_menu = Menu:new{
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title = "Font Menu",
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item_table = face_list,
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dimen = self.dimen,
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ui = self.ui
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}
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function font_menu:onMenuChoice(item)
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if item.text and self.font_face ~= item.text then
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self.font_face = item.text
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msg = InfoMessage:new{ text = "Redrawing with "..item.text}
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UIManager:show(msg)
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self.ui.document:setFontFace(item.text)
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-- signal readerrolling to update pos in new height
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self.ui:handleEvent(Event:new("UpdatePos"))
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UIManager:close(msg)
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end
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end
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UIManager:show(font_menu)
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return true
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end
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function ReaderFont:onChangeSize(direction)
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local delta = 1
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if direction == "decrease" then
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delta = -1
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end
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self.font_size = self.font_size + delta
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msg = InfoMessage:new{text = direction.." font size to "..self.font_size}
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UIManager:show(msg)
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self.ui.document:zoomFont(delta)
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self.ui:handleEvent(Event:new("UpdatePos"))
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UIManager:close(msg)
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return true
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end
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function ReaderFont:onChangeLineSpace(direction)
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if direction == "decrease" then
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self.line_space_percent = self.line_space_percent - 10
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-- NuPogodi, 15.05.12: reduce lowest space_percent to 80
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self.line_space_percent = math.max(self.line_space_percent, 80)
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else
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self.line_space_percent = self.line_space_percent + 10
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self.line_space_percent = math.min(self.line_space_percent, 200)
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end
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msg = InfoMessage:new{"line spacing "..self.line_space_percent.."%"}
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self.ui.document:setInterlineSpacePercent(self.line_space_percent)
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self.ui:handleEvent(Event:new("UpdatePos"))
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return true
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end
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