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Document using RichTextLabel's meta_clicked to handle clickable URLs

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Hugo Locurcio 2024-02-12 19:55:39 +01:00
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doc/classes/RichTextLabel.xml
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@ -430,6 +430,7 @@
<param index="0" name="data" type="Variant" />
<description>
Adds a meta tag to the tag stack. Similar to the BBCode [code skip-lint][url=something]{text}[/url][/code], but supports non-[String] metadata types.
[b]Note:[/b] Meta tags do nothing by default when clicked. To assign behavior when clicked, connect [signal meta_clicked] to a function that is called when the meta tag is clicked.
</description>
</method>
<method name="push_mono">
@ -616,7 +617,7 @@
Language code used for line-breaking and text shaping algorithms, if left empty current locale is used instead.
</member>
<member name="meta_underlined" type="bool" setter="set_meta_underline" getter="is_meta_underlined" default="true">
If [code]true[/code], the label underlines meta tags such as [code skip-lint][url]{text}[/url][/code].
If [code]true[/code], the label underlines meta tags such as [code skip-lint][url]{text}[/url][/code]. These tags can call a function when clicked if [signal meta_clicked] is connected to a function.
</member>
<member name="progress_bar_delay" type="int" setter="set_progress_bar_delay" getter="get_progress_bar_delay" default="1000">
The delay after which the loading progress bar is displayed, in milliseconds. Set to [code]-1[/code] to disable progress bar entirely.
@ -674,7 +675,17 @@
<signal name="meta_clicked">
<param index="0" name="meta" type="Variant" />
<description>
Triggered when the user clicks on content between meta tags. If the meta is defined in text, e.g. [code skip-lint][url={"data"="hi"}]hi[/url][/code], then the parameter for this signal will be a [String] type. If a particular type or an object is desired, the [method push_meta] method must be used to manually insert the data into the tag stack.
Triggered when the user clicks on content between meta (URL) tags. If the meta is defined in BBCode, e.g. [code skip-lint][url={"key": "value"}]Text[/url][/code], then the parameter for this signal will always be a [String] type. If a particular type or an object is desired, the [method push_meta] method must be used to manually insert the data into the tag stack. Alternatively, you can convert the [String] input to the desired type based on its contents (such as calling [method JSON.parse] on it).
For example, the following method can be connected to [signal meta_clicked] to open clicked URLs using the user's default web browser:
[codeblocks]
[gdscript]
# This assumes RichTextLabel's `meta_clicked` signal was connected to
# the function below using the signal connection dialog.
func _richtextlabel_on_meta_clicked(meta):
# `meta` is of Variant type, so convert it to a String to avoid script errors at run-time.
OS.shell_open(str(meta))
[/gdscript]
[/codeblocks]
</description>
</signal>
<signal name="meta_hover_ended">