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Adding ability for single meta hovering

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This commit is contained in:
Will Nations 2017-11-16 23:49:39 -06:00
parent b279f641c0
commit eaea646648
3 changed files with 40 additions and 3 deletions
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14
doc/classes/RichTextLabel.xml
View file

@ -374,6 +374,20 @@
<description>
</description>
</signal>
<signal name="meta_hover_started">
<argument index="0" name="meta" type="Nil">
</argument>
<description>
Triggers when the mouse enters a meta tag.
</description>
</signal>
<signal name="meta_hover_ended">
<argument index="0" name="meta" type="Nil">
</argument>
<description>
Triggers when the mouse exits a meta tag.
</description>
</signal>
</signals>
<constants>
<constant name="ALIGN_LEFT" value="0">

26
scene/gui/rich_text_label.cpp
View file

@ -877,11 +877,13 @@ void RichTextLabel::_gui_input(Ref<InputEvent> p_event) {
if (main->first_invalid_line < main->lines.size())
return;
int line = 0;
Item *item = NULL;
bool outside;
_find_click(main, m->get_position(), &item, &line, &outside);
if (selection.click) {
int line = 0;
Item *item = NULL;
_find_click(main, m->get_position(), &item, &line);
if (!item)
return; // do not update
@ -912,6 +914,22 @@ void RichTextLabel::_gui_input(Ref<InputEvent> p_event) {
selection.active = true;
update();
}
Variant meta;
if (item && !outside && _find_meta(item, &meta)) {
if (meta_hovering != item) {
if (meta_hovering) {
emit_signal("meta_hover_ended", current_meta);
}
meta_hovering = static_cast<ItemMeta *>(item);
current_meta = meta;
emit_signal("meta_hover_started", meta);
}
} else if (meta_hovering) {
emit_signal("meta_hover_ended", current_meta);
meta_hovering = NULL;
current_meta = false;
}
}
}
@ -1968,6 +1986,8 @@ void RichTextLabel::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "override_selected_font_color"), "set_override_selected_font_color", "is_overriding_selected_font_color");
ADD_SIGNAL(MethodInfo("meta_clicked", PropertyInfo(Variant::NIL, "meta", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NIL_IS_VARIANT)));
ADD_SIGNAL(MethodInfo("meta_hover_started", PropertyInfo(Variant::NIL, "meta", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NIL_IS_VARIANT)));
ADD_SIGNAL(MethodInfo("meta_hover_ended", PropertyInfo(Variant::NIL, "meta", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NIL_IS_VARIANT)));
BIND_ENUM_CONSTANT(ALIGN_LEFT);
BIND_ENUM_CONSTANT(ALIGN_CENTER);

3
scene/gui/rich_text_label.h
View file

@ -225,6 +225,9 @@ private:
Align default_align;
ItemMeta *meta_hovering;
Variant current_meta;
void _invalidate_current_line(ItemFrame *p_frame);
void _validate_line_caches(ItemFrame *p_frame);