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cre hyphenation: allow for setting min left/right fragment length (#3890)

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When hyphenating a word, the existing algorithms enforced a minimal
length of 2 for each word fragments on left or right side.
This adds a widget to allow changing these minimal sizes (from 1 to 10).
This commit is contained in:
poire-z
2018-04-19 14:24:04 +02:00
committed by GitHub
parent 3223ae670f
commit 7f6aebe399
4 changed files with 357 additions and 9 deletions
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21
frontend/ui/widget/numberpickerwidget.lua
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@@ -25,6 +25,8 @@ local NumberPickerWidget = InputContainer:new{
value_step = 1,
value_hold_step = 4,
value_table = nil,
wrap = true,
update_callback = function() end,
-- in case we need calculate number of days in a given month and year
date_month = nil,
date_year = nil,
@@ -60,14 +62,14 @@ function NumberPickerWidget:paintWidget()
if self.date_month and self.date_year then
self.value_max = self:getDaysInMonth(self.date_month:getValue(), self.date_year:getValue())
end
self.value = self:changeValue(self.value, self.value_step, self.value_max, self.value_min)
self.value = self:changeValue(self.value, self.value_step, self.value_max, self.value_min, self.wrap)
self:update()
end,
hold_callback = function()
if self.date_month and self.date_year then
self.value_max = self:getDaysInMonth(self.date_month:getValue(), self.date_year:getValue())
end
self.value = self:changeValue(self.value, self.value_hold_step, self.value_max, self.value_min)
self.value = self:changeValue(self.value, self.value_hold_step, self.value_max, self.value_min, self.wrap)
self:update()
end
}
@@ -83,14 +85,14 @@ function NumberPickerWidget:paintWidget()
if self.date_month and self.date_year then
self.value_max = self:getDaysInMonth(self.date_month:getValue(), self.date_year:getValue())
end
self.value = self:changeValue(self.value, self.value_step * -1, self.value_max, self.value_min)
self.value = self:changeValue(self.value, self.value_step * -1, self.value_max, self.value_min, self.wrap)
self:update()
end,
hold_callback = function()
if self.date_month and self.date_year then
self.value_max = self:getDaysInMonth(self.date_month:getValue(), self.date_year:getValue())
end
self.value = self:changeValue(self.value, self.value_hold_step * -1, self.value_max, self.value_min)
self.value = self:changeValue(self.value, self.value_hold_step * -1, self.value_max, self.value_min, self.wrap)
self:update()
end
}
@@ -182,24 +184,25 @@ function NumberPickerWidget:update()
UIManager:setDirty(self.show_parent, function()
return "ui", self.dimen
end)
self.update_callback()
end
function NumberPickerWidget:changeValue(value, step, max, min)
function NumberPickerWidget:changeValue(value, step, max, min, wrap)
if self.value_index then
self.value_index = self.value_index + step
if self.value_index > #self.value_table then
self.value_index = 1
self.value_index = wrap and 1 or #self.value_table
elseif
self.value_index < 1 then
self.value_index = #self.value_table
self.value_index = wrap and #self.value_table or 1
end
value = self.value_table[self.value_index]
else
value = value + step
if value > max then
value = min
value = wrap and min or max
elseif value < min then
value = max
value = wrap and max or min
end
end
return value