mirror of
https://github.com/Insality/druid
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319 lines
5.4 KiB
Markdown
319 lines
5.4 KiB
Markdown
# druid.text API
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> at /druid/base/text.lua
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## Functions
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- [init](#init)
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- [on_style_change](#on_style_change)
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- [on_layout_change](#on_layout_change)
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- [get_text_size](#get_text_size)
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- [get_text_index_by_width](#get_text_index_by_width)
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- [set_to](#set_to)
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- [set_text](#set_text)
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- [get_text](#get_text)
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- [set_size](#set_size)
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- [set_color](#set_color)
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- [set_alpha](#set_alpha)
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- [set_scale](#set_scale)
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- [set_pivot](#set_pivot)
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- [is_multiline](#is_multiline)
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- [set_text_adjust](#set_text_adjust)
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- [set_minimal_scale](#set_minimal_scale)
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- [get_text_adjust](#get_text_adjust)
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## Fields
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- [node](#node)
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- [on_set_text](#on_set_text)
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- [on_update_text_scale](#on_update_text_scale)
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- [on_set_pivot](#on_set_pivot)
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- [style](#style)
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- [pos](#pos)
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- [node_id](#node_id)
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- [start_size](#start_size)
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- [text_area](#text_area)
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- [adjust_type](#adjust_type)
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- [color](#color)
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- [last_value](#last_value)
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- [last_scale](#last_scale)
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### init
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---
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```lua
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text:init(node, [value], [adjust_type])
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```
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The Text constructor
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- **Parameters:**
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- `node` *(string|node)*: Node name or GUI Text Node itself
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- `[value]` *(string|nil)*: Initial text. Default value is node text from GUI scene. Default: nil
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- `[adjust_type]` *(string|nil)*: Adjust type for text. By default is DOWNSCALE. Look const.TEXT_ADJUST for reference. Default: DOWNSCALE
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- **Returns:**
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- `` *(druid.text)*:
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### on_style_change
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---
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```lua
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text:on_style_change(style)
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```
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- **Parameters:**
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- `style` *(druid.text.style)*:
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### on_layout_change
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---
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```lua
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text:on_layout_change()
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```
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### get_text_size
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---
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```lua
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text:get_text_size([text])
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```
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Calculate text width with font with respect to trailing space
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- **Parameters:**
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- `[text]` *(string|nil)*:
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- **Returns:**
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- `Width` *(number)*:
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- `Height` *(number)*:
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### get_text_index_by_width
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---
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```lua
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text:get_text_index_by_width(width)
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```
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Get chars count by width
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- **Parameters:**
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- `width` *(number)*:
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- **Returns:**
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- `Chars` *(number)*: count
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### set_to
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---
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```lua
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text:set_to(set_to)
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```
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Set text to text field
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- **Parameters:**
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- `set_to` *(string)*: Text for node
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- **Returns:**
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- `Current` *(druid.text)*: text instance
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### set_text
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---
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```lua
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text:set_text([new_text])
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```
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- **Parameters:**
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- `[new_text]` *(any)*:
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- **Returns:**
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- `` *(druid.text)*:
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### get_text
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---
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```lua
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text:get_text()
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```
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- **Returns:**
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- `` *(unknown)*:
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### set_size
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---
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```lua
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text:set_size(size)
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```
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Set text area size
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- **Parameters:**
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- `size` *(vector3)*: The new text area size
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- **Returns:**
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- `self` *(druid.text)*: Current text instance
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### set_color
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---
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```lua
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text:set_color(color)
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```
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Set color
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- **Parameters:**
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- `color` *(vector4)*: Color for node
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- **Returns:**
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- `Current` *(druid.text)*: text instance
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### set_alpha
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---
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```lua
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text:set_alpha(alpha)
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```
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Set alpha
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- **Parameters:**
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- `alpha` *(number)*: Alpha for node
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- **Returns:**
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- `Current` *(druid.text)*: text instance
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### set_scale
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---
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```lua
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text:set_scale(scale)
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```
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Set scale
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- **Parameters:**
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- `scale` *(vector3)*: Scale for node
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- **Returns:**
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- `Current` *(druid.text)*: text instance
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### set_pivot
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---
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```lua
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text:set_pivot(pivot)
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```
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Set text pivot. Text will re-anchor inside text area
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- **Parameters:**
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- `pivot` *(userdata)*: The gui.PIVOT_* constant
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- **Returns:**
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- `Current` *(druid.text)*: text instance
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### is_multiline
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---
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```lua
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text:is_multiline()
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```
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Return true, if text with line break
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- **Returns:**
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- `Is` *(boolean)*: text node with line break
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### set_text_adjust
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---
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```lua
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text:set_text_adjust([adjust_type], [minimal_scale])
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```
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Set text adjust, refresh the current text visuals, if needed
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Values are: "downscale", "trim", "no_adjust", "downscale_limited",
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"scroll", "scale_then_scroll", "trim_left", "scale_then_trim", "scale_then_trim_left"
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- **Parameters:**
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- `[adjust_type]` *(string|nil)*: See const.TEXT_ADJUST. If pass nil - use current adjust type
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- `[minimal_scale]` *(number|nil)*: To remove minimal scale, use `text:set_minimal_scale(nil)`, if pass nil - not change minimal scale
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- **Returns:**
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- `self` *(druid.text)*: Current text instance
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### set_minimal_scale
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---
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```lua
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text:set_minimal_scale(minimal_scale)
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```
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Set minimal scale for DOWNSCALE_LIMITED or SCALE_THEN_SCROLL adjust types
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- **Parameters:**
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- `minimal_scale` *(number)*: If pass nil - not use minimal scale
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- **Returns:**
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- `Current` *(druid.text)*: text instance
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### get_text_adjust
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---
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```lua
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text:get_text_adjust()
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```
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Return current text adjust type
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- **Returns:**
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- `adjust_type` *(string)*: The current text adjust type
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## Fields
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<a name="node"></a>
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- **node** (_node_): The text node
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<a name="on_set_text"></a>
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- **on_set_text** (_event_): The event triggered when the text is set, fun(self, text)
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<a name="on_update_text_scale"></a>
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- **on_update_text_scale** (_event_): The event triggered when the text scale is updated, fun(self, scale, metrics)
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<a name="on_set_pivot"></a>
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- **on_set_pivot** (_event_): The event triggered when the text pivot is set, fun(self, pivot)
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<a name="style"></a>
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- **style** (_druid.text.style_): The style of the text
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<a name="pos"></a>
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- **pos** (_unknown_)
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<a name="node_id"></a>
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- **node_id** (_unknown_)
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<a name="start_size"></a>
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- **start_size** (_unknown_)
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<a name="text_area"></a>
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- **text_area** (_unknown_)
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<a name="adjust_type"></a>
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- **adjust_type** (_string|nil_)
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<a name="color"></a>
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- **color** (_unknown_)
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<a name="last_value"></a>
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- **last_value** (_unknown_)
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<a name="last_scale"></a>
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- **last_scale** (_vector3_)
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