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Update
This commit is contained in:
Insality
@@ -22,227 +22,6 @@ local utf8 = utf8 or utf8_lua --[[@as utf8]]
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---@field private scale vector3
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local M = component.create("text")
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local function update_text_size(self)
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if self.scale.x == 0 or self.scale.y == 0 then
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return
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end
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if self.start_scale.x == 0 or self.start_scale.y == 0 then
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return
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end
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local size = vmath.vector3(
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self.start_size.x * (self.start_scale.x / self.scale.x),
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self.start_size.y * (self.start_scale.y / self.scale.y),
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self.start_size.z
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)
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gui.set_size(self.node, size)
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end
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---Reset initial scale for text
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local function reset_default_scale(self)
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self.scale.x = self.start_scale.x
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self.scale.y = self.start_scale.y
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self.scale.z = self.start_scale.z
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gui.set_scale(self.node, self.start_scale)
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gui.set_size(self.node, self.start_size)
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end
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local function is_fit_info_area(self, metrics)
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return metrics.width * self.scale.x <= self.text_area.x and
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metrics.height * self.scale.y <= self.text_area.y
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end
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---Setup scale x, but can only be smaller, than start text scale
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local function update_text_area_size(self)
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reset_default_scale(self)
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local metrics = helper.get_text_metrics_from_node(self.node)
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if metrics.width == 0 then
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reset_default_scale(self)
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self.on_update_text_scale:trigger(self:get_context(), self.start_scale, metrics)
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return
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end
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local text_area_width = self.text_area.x
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local text_area_height = self.text_area.y
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-- Adjust by width
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local scale_modifier = text_area_width / metrics.width
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-- Adjust by height
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if self:is_multiline() then
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-- Approximate scale by height to start adjust scale
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scale_modifier = math.sqrt(text_area_height / metrics.height)
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if metrics.width * scale_modifier > text_area_width then
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scale_modifier = text_area_width / metrics.width
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end
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-- #RMME
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if self._minimal_scale then
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scale_modifier = math.max(scale_modifier, self._minimal_scale)
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end
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-- Limit max scale by initial scale
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scale_modifier = math.min(scale_modifier, self.start_scale.x)
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-- #RMME
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local is_fit = is_fit_info_area(self, metrics)
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local step = is_fit and self.style.ADJUST_SCALE_DELTA or -self.style.ADJUST_SCALE_DELTA
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for i = 1, self.style.ADJUST_STEPS do
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-- Grow down to check if we fit
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if step < 0 and is_fit then
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break
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end
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-- Grow up to check if we still fit
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if step > 0 and not is_fit then
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break
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end
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scale_modifier = scale_modifier + step
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if self._minimal_scale then
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scale_modifier = math.max(scale_modifier, self._minimal_scale)
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end
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-- Limit max scale by initial scale
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scale_modifier = math.min(scale_modifier, self.start_scale.x)
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self.scale.x = scale_modifier
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self.scale.y = scale_modifier
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self.scale.z = self.start_scale.z
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gui.set_scale(self.node, self.scale)
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update_text_size(self)
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metrics = helper.get_text_metrics_from_node(self.node)
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is_fit = is_fit_info_area(self, metrics)
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end
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end
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if self._minimal_scale then
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scale_modifier = math.max(scale_modifier, self._minimal_scale)
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end
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-- Limit max scale by initial scale
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scale_modifier = math.min(scale_modifier, self.start_scale.x)
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self.scale.x = scale_modifier
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self.scale.y = scale_modifier
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self.scale.z = self.start_scale.z
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gui.set_scale(self.node, self.scale)
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update_text_size(self)
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self.on_update_text_scale:trigger(self:get_context(), self.scale, metrics)
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end
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---@param self druid.text
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---@param trim_postfix string
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local function update_text_with_trim(self, trim_postfix)
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local max_width = self.text_area.x
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local text_width = self:get_text_size()
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if text_width > max_width then
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local text_length = utf8.len(self.last_value)
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local new_text = self.last_value
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while text_width > max_width do
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text_length = text_length - 1
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new_text = utf8.sub(self.last_value, 1, text_length)
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text_width = self:get_text_size(new_text .. trim_postfix)
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if text_length == 0 then
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break
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end
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end
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gui.set_text(self.node, new_text .. trim_postfix)
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else
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gui.set_text(self.node, self.last_value)
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end
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end
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local function update_text_with_trim_left(self, trim_postfix)
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local max_width = self.text_area.x
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local text_width = self:get_text_size()
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local text_length = utf8.len(self.last_value)
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local trim_index = 1
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if text_width > max_width then
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local new_text = self.last_value
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while text_width > max_width and trim_index < text_length do
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trim_index = trim_index + 1
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new_text = trim_postfix .. utf8.sub(self.last_value, trim_index, text_length)
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text_width = self:get_text_size(new_text)
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end
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gui.set_text(self.node, new_text)
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end
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end
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local function update_text_with_anchor_shift(self)
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if self:get_text_size() >= self.text_area.x then
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self:set_pivot(const.REVERSE_PIVOTS[self.start_pivot])
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else
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self:set_pivot(self.start_pivot)
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end
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end
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---@param self druid.text
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local function update_adjust(self)
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if not self.adjust_type or self.adjust_type == const.TEXT_ADJUST.NO_ADJUST then
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reset_default_scale(self)
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return
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end
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if self.adjust_type == const.TEXT_ADJUST.DOWNSCALE then
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update_text_area_size(self)
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end
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if self.adjust_type == const.TEXT_ADJUST.TRIM then
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update_text_with_trim(self, self.style.TRIM_POSTFIX)
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end
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if self.adjust_type == const.TEXT_ADJUST.TRIM_LEFT then
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update_text_with_trim_left(self, self.style.TRIM_POSTFIX)
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end
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if self.adjust_type == const.TEXT_ADJUST.DOWNSCALE_LIMITED then
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update_text_area_size(self)
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end
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if self.adjust_type == const.TEXT_ADJUST.SCROLL then
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update_text_with_anchor_shift(self)
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end
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if self.adjust_type == const.TEXT_ADJUST.SCALE_THEN_SCROLL then
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update_text_area_size(self)
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update_text_with_anchor_shift(self)
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end
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if self.adjust_type == const.TEXT_ADJUST.SCALE_THEN_TRIM then
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update_text_area_size(self)
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update_text_with_trim(self, self.style.TRIM_POSTFIX)
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end
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if self.adjust_type == const.TEXT_ADJUST.SCALE_THEN_TRIM_LEFT then
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update_text_area_size(self)
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update_text_with_trim_left(self, self.style.TRIM_POSTFIX)
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end
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end
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---@param style druid.text.style
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function M:on_style_change(style)
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self.style = {
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TRIM_POSTFIX = style.TRIM_POSTFIX or "...",
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DEFAULT_ADJUST = style.DEFAULT_ADJUST or const.TEXT_ADJUST.DOWNSCALE,
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ADJUST_STEPS = style.ADJUST_STEPS or 20,
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ADJUST_SCALE_DELTA = style.ADJUST_SCALE_DELTA or 0.02
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}
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end
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---The Text constructor
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---@param node string|node Node name or GUI Text Node itself
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@@ -274,6 +53,18 @@ function M:init(node, value, adjust_type)
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end
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---@param style druid.text.style
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function M:on_style_change(style)
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self.style = {
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TRIM_POSTFIX = style.TRIM_POSTFIX or "...",
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DEFAULT_ADJUST = style.DEFAULT_ADJUST or const.TEXT_ADJUST.DOWNSCALE,
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ADJUST_STEPS = style.ADJUST_STEPS or 20,
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ADJUST_SCALE_DELTA = style.ADJUST_SCALE_DELTA or 0.02
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}
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end
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function M:on_layout_change()
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self:set_text(self.last_value)
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end
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@@ -348,7 +139,7 @@ function M:set_to(set_to)
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self.on_set_text:trigger(self:get_context(), set_to)
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update_adjust(self)
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self:_update_adjust()
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return self
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end
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@@ -373,7 +164,7 @@ function M:set_size(size)
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self.text_area = vmath.vector3(size)
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self.text_area.x = self.text_area.x * self.start_scale.x
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self.text_area.y = self.text_area.y * self.start_scale.y
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update_adjust(self)
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self:_update_adjust()
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return self
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end
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@@ -476,4 +267,224 @@ function M:get_text_adjust()
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end
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---@private
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function M:_update_text_size()
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if self.scale.x == 0 or self.scale.y == 0 then
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return
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end
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if self.start_scale.x == 0 or self.start_scale.y == 0 then
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return
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end
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local size = vmath.vector3(
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self.start_size.x * (self.start_scale.x / self.scale.x),
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self.start_size.y * (self.start_scale.y / self.scale.y),
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self.start_size.z
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)
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gui.set_size(self.node, size)
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end
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---Reset initial scale for text
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---@private
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function M:_reset_default_scale()
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self.scale.x = self.start_scale.x
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self.scale.y = self.start_scale.y
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self.scale.z = self.start_scale.z
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gui.set_scale(self.node, self.start_scale)
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gui.set_size(self.node, self.start_size)
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end
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---@private
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---@param metrics table
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---@return boolean
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function M:_is_fit_info_area(metrics)
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return metrics.width * self.scale.x <= self.text_area.x and
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metrics.height * self.scale.y <= self.text_area.y
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end
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---Setup scale x, but can only be smaller, than start text scale
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---@private
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function M:_update_text_area_size()
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self:_reset_default_scale()
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local metrics = helper.get_text_metrics_from_node(self.node)
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if metrics.width == 0 then
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self:_reset_default_scale()
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self.on_update_text_scale:trigger(self:get_context(), self.start_scale, metrics)
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return
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end
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local text_area_width = self.text_area.x
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local text_area_height = self.text_area.y
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-- Adjust by width
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local scale_modifier = text_area_width / metrics.width
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-- Adjust by height
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if self:is_multiline() then
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-- Approximate scale by height to start adjust scale
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scale_modifier = math.sqrt(text_area_height / metrics.height)
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if metrics.width * scale_modifier > text_area_width then
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scale_modifier = text_area_width / metrics.width
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end
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-- #RMME
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if self._minimal_scale then
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scale_modifier = math.max(scale_modifier, self._minimal_scale)
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end
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-- Limit max scale by initial scale
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scale_modifier = math.min(scale_modifier, self.start_scale.x)
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-- #RMME
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local is_fit = self:_is_fit_info_area(metrics)
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local step = is_fit and self.style.ADJUST_SCALE_DELTA or -self.style.ADJUST_SCALE_DELTA
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for i = 1, self.style.ADJUST_STEPS do
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-- Grow down to check if we fit
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if step < 0 and is_fit then
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break
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end
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-- Grow up to check if we still fit
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if step > 0 and not is_fit then
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break
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end
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scale_modifier = scale_modifier + step
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if self._minimal_scale then
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scale_modifier = math.max(scale_modifier, self._minimal_scale)
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end
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-- Limit max scale by initial scale
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scale_modifier = math.min(scale_modifier, self.start_scale.x)
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self.scale.x = scale_modifier
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self.scale.y = scale_modifier
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self.scale.z = self.start_scale.z
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gui.set_scale(self.node, self.scale)
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self:_update_text_size()
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metrics = helper.get_text_metrics_from_node(self.node)
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is_fit = self:_is_fit_info_area(metrics)
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end
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end
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if self._minimal_scale then
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scale_modifier = math.max(scale_modifier, self._minimal_scale)
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end
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-- Limit max scale by initial scale
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scale_modifier = math.min(scale_modifier, self.start_scale.x)
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self.scale.x = scale_modifier
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self.scale.y = scale_modifier
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self.scale.z = self.start_scale.z
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gui.set_scale(self.node, self.scale)
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self:_update_text_size()
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self.on_update_text_scale:trigger(self:get_context(), self.scale, metrics)
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end
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---@private
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---@param trim_postfix string
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function M:_update_text_with_trim(trim_postfix)
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local max_width = self.text_area.x
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local text_width = self:get_text_size()
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if text_width > max_width then
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local text_length = utf8.len(self.last_value)
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local new_text = self.last_value
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while text_width > max_width do
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text_length = text_length - 1
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new_text = utf8.sub(self.last_value, 1, text_length)
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text_width = self:get_text_size(new_text .. trim_postfix)
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if text_length == 0 then
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break
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end
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end
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gui.set_text(self.node, new_text .. trim_postfix)
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else
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gui.set_text(self.node, self.last_value)
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end
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end
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---@private
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---@param trim_postfix string
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function M:_update_text_with_trim_left(trim_postfix)
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local max_width = self.text_area.x
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local text_width = self:get_text_size()
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local text_length = utf8.len(self.last_value)
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local trim_index = 1
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if text_width > max_width then
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local new_text = self.last_value
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while text_width > max_width and trim_index < text_length do
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trim_index = trim_index + 1
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new_text = trim_postfix .. utf8.sub(self.last_value, trim_index, text_length)
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text_width = self:get_text_size(new_text)
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end
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gui.set_text(self.node, new_text)
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end
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end
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---@private
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function M:_update_text_with_anchor_shift()
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if self:get_text_size() >= self.text_area.x then
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self:set_pivot(const.REVERSE_PIVOTS[self.start_pivot])
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else
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self:set_pivot(self.start_pivot)
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end
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end
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---@private
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function M:_update_adjust()
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if not self.adjust_type or self.adjust_type == const.TEXT_ADJUST.NO_ADJUST then
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self:_reset_default_scale()
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return
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end
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||||
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if self.adjust_type == const.TEXT_ADJUST.DOWNSCALE then
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self:_update_text_area_size()
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end
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if self.adjust_type == const.TEXT_ADJUST.TRIM then
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self:_update_text_with_trim(self.style.TRIM_POSTFIX)
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end
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if self.adjust_type == const.TEXT_ADJUST.TRIM_LEFT then
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self:_update_text_with_trim_left(self.style.TRIM_POSTFIX)
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end
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if self.adjust_type == const.TEXT_ADJUST.DOWNSCALE_LIMITED then
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self:_update_text_area_size()
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end
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||||
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||||
if self.adjust_type == const.TEXT_ADJUST.SCROLL then
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self:_update_text_with_anchor_shift()
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||||
end
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||||
|
||||
if self.adjust_type == const.TEXT_ADJUST.SCALE_THEN_SCROLL then
|
||||
self:_update_text_area_size()
|
||||
self:_update_text_with_anchor_shift()
|
||||
end
|
||||
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||||
if self.adjust_type == const.TEXT_ADJUST.SCALE_THEN_TRIM then
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self:_update_text_area_size()
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self:_update_text_with_trim(self.style.TRIM_POSTFIX)
|
||||
end
|
||||
|
||||
if self.adjust_type == const.TEXT_ADJUST.SCALE_THEN_TRIM_LEFT then
|
||||
self:_update_text_area_size()
|
||||
self:_update_text_with_trim_left(self.style.TRIM_POSTFIX)
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
return M
|
||||
|
||||
Reference in New Issue
Block a user