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Fix issues with text clearing in RichTextLabel #89100

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merged 1 commit into from
Mar 4, 2024
Merged

Fix issues with text clearing in RichTextLabel #89100

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5 changes: 3 additions & 2 deletions doc/classes/RichTextLabel.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -55,8 +55,8 @@
<method name="clear">
<return type="void" />
<description>
Clears the tag stack.
[b]Note:[/b] This method will not modify [member text], but setting [member text] to an empty string also clears the stack.
Clears the tag stack, causing the label to display nothing.
[b]Note:[/b] This method does not affect [member text], and its contents will show again if the label is redrawn. However, setting [member text] to an empty [String] also clears the stack.
</description>
</method>
<method name="deselect">
Expand Down Expand Up @@ -594,6 +594,7 @@
</member>
<member name="bbcode_enabled" type="bool" setter="set_use_bbcode" getter="is_using_bbcode" default="false">
If [code]true[/code], the label uses BBCode formatting.
[b]Note:[/b] This only affects the contents of [member text], not the tag stack.
</member>
<member name="clip_contents" type="bool" setter="set_clip_contents" getter="is_clipping_contents" overrides="Control" default="true" />
<member name="context_menu_enabled" type="bool" setter="set_context_menu_enabled" getter="is_context_menu_enabled" default="false">
Expand Down
20 changes: 12 additions & 8 deletions scene/gui/rich_text_label.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1901,7 +1901,11 @@ void RichTextLabel::_notification(int p_what) {

case NOTIFICATION_LAYOUT_DIRECTION_CHANGED:
case NOTIFICATION_TRANSLATION_CHANGED: {
_apply_translation();
// If `text` is empty, it could mean that the tag stack is being used instead. Leave it be.
if (!text.is_empty()) {
_apply_translation();
}

queue_redraw();
} break;

Expand Down Expand Up @@ -5667,19 +5671,16 @@ int RichTextLabel::get_selection_to() const {
}

void RichTextLabel::set_text(const String &p_bbcode) {
if (text == p_bbcode) {
// Allow clearing the tag stack.
if (!p_bbcode.is_empty() && text == p_bbcode) {
return;
}

text = p_bbcode;
_apply_translation();
}

void RichTextLabel::_apply_translation() {
// If `text` is empty, it could mean that the tag stack is being used instead. Leave it be.
if (text.is_empty()) {
return;
}

String xl_text = atr(text);
if (use_bbcode) {
parse_bbcode(xl_text);
Expand All @@ -5700,7 +5701,10 @@ void RichTextLabel::set_use_bbcode(bool p_enable) {
use_bbcode = p_enable;
notify_property_list_changed();

_apply_translation();
// If `text` is empty, it could mean that the tag stack is being used instead. Leave it be.
if (!text.is_empty()) {
_apply_translation();
}
}

bool RichTextLabel::is_using_bbcode() const {
Expand Down
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