Add overrun behavior to the Button.

3 files changed, 28 insertions, 3 deletions

diff --git a/doc/classes/Button.xml b/doc/classes/Button.xml
index d85d02fbfb..4ece57fa81 100644
--- a/doc/classes/Button.xml
+++ b/doc/classes/Button.xml
@@ -92,6 +92,9 @@
 		<member name="text_direction" type="int" setter="set_text_direction" getter="get_text_direction" enum="Control.TextDirection" default="0">
 			Base text writing direction.
 		</member>
+		<member name="text_overrun_behavior" type="int" setter="set_text_overrun_behavior" getter="get_text_overrun_behavior" enum="TextParagraph.OverrunBehavior" default="0">
+			Sets the clipping behavior when the text exceeds the node's bounding rectangle. See [enum TextParagraph.OverrunBehavior] for a description of all modes.
+		</member>
 	</members>
 	<theme_items>
 		<theme_item name="font_color" data_type="color" type="Color" default="Color(0.875, 0.875, 0.875, 1)">
diff --git a/scene/gui/button.cpp b/scene/gui/button.cpp
index c54897035a..0d21d82896 100644
--- a/scene/gui/button.cpp
+++ b/scene/gui/button.cpp
@@ -35,7 +35,7 @@
 
 Size2 Button::get_minimum_size() const {
 	Size2 minsize = text_buf->get_size();
-	if (clip_text) {
+	if (clip_text || overrun_behavior != TextParagraph::OVERRUN_NO_TRIMMING) {
 		minsize.width = 0;
 	}
 
@@ -292,9 +292,9 @@ void Button::_notification(int p_what) {
 				icon_ofs.x = 0.0;
 			}
 			int text_clip = size.width - style->get_minimum_size().width - icon_ofs.width;
-			text_buf->set_width(clip_text ? text_clip : -1);
+			text_buf->set_width((clip_text || overrun_behavior != TextParagraph::OVERRUN_NO_TRIMMING) ? text_clip : -1);
 
-			int text_width = MAX(1, clip_text ? MIN(text_clip, text_buf->get_size().x) : text_buf->get_size().x);
+			int text_width = MAX(1, (clip_text || overrun_behavior != TextParagraph::OVERRUN_NO_TRIMMING) ? MIN(text_clip, text_buf->get_size().x) : text_buf->get_size().x);
 
 			if (_internal_margin[SIDE_LEFT] > 0) {
 				text_clip -= _internal_margin[SIDE_LEFT] + get_theme_constant(SNAME("h_separation"));
@@ -364,6 +364,21 @@ void Button::_shape() {
 		text_buf->set_direction((TextServer::Direction)text_direction);
 	}
 	text_buf->add_string(xl_text, font, font_size, opentype_features, (!language.is_empty()) ? language : TranslationServer::get_singleton()->get_tool_locale());
+	text_buf->set_text_overrun_behavior(overrun_behavior);
+}
+
+void Button::set_text_overrun_behavior(TextParagraph::OverrunBehavior p_behavior) {
+	if (overrun_behavior != p_behavior) {
+		overrun_behavior = p_behavior;
+		_shape();
+
+		update();
+		update_minimum_size();
+	}
+}
+
+TextParagraph::OverrunBehavior Button::get_text_overrun_behavior() const {
+	return overrun_behavior;
 }
 
 void Button::set_text(const String &p_text) {
@@ -550,6 +565,8 @@ void Button::_get_property_list(List<PropertyInfo> *p_list) const {
 void Button::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("set_text", "text"), &Button::set_text);
 	ClassDB::bind_method(D_METHOD("get_text"), &Button::get_text);
+	ClassDB::bind_method(D_METHOD("set_text_overrun_behavior", "overrun_behavior"), &Button::set_text_overrun_behavior);
+	ClassDB::bind_method(D_METHOD("get_text_overrun_behavior"), &Button::get_text_overrun_behavior);
 	ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &Button::set_text_direction);
 	ClassDB::bind_method(D_METHOD("get_text_direction"), &Button::get_text_direction);
 	ClassDB::bind_method(D_METHOD("set_opentype_feature", "tag", "value"), &Button::set_opentype_feature);
@@ -577,6 +594,7 @@ void Button::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flat"), "set_flat", "is_flat");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_text"), "set_clip_text", "get_clip_text");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "alignment", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_text_alignment", "get_text_alignment");
+	ADD_PROPERTY(PropertyInfo(Variant::INT, "text_overrun_behavior", PROPERTY_HINT_ENUM, "Trim Nothing,Trim Characters,Trim Words,Ellipsis,Word Ellipsis"), "set_text_overrun_behavior", "get_text_overrun_behavior");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "icon_alignment", PROPERTY_HINT_ENUM, "Left,Center,Right"), "set_icon_alignment", "get_icon_alignment");
 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "expand_icon"), "set_expand_icon", "is_expand_icon");
 }
diff --git a/scene/gui/button.h b/scene/gui/button.h
index 1abf86c986..175785a35c 100644
--- a/scene/gui/button.h
+++ b/scene/gui/button.h
@@ -46,6 +46,7 @@ private:
 	Dictionary opentype_features;
 	String language;
 	TextDirection text_direction = TEXT_DIRECTION_AUTO;
+	TextParagraph::OverrunBehavior overrun_behavior = TextParagraph::OVERRUN_NO_TRIMMING;
 
 	Ref<Texture2D> icon;
 	bool expand_icon = false;
@@ -71,6 +72,9 @@ public:
 	void set_text(const String &p_text);
 	String get_text() const;
 
+	void set_text_overrun_behavior(TextParagraph::OverrunBehavior p_behavior);
+	TextParagraph::OverrunBehavior get_text_overrun_behavior() const;
+
 	void set_text_direction(TextDirection p_text_direction);
 	TextDirection get_text_direction() const;