Add vector value linking

Co-authored-by: redlamp <[email protected]>
(cherry picked from commit 5553e27fe8346eed22ca4a47728fedcf2a7d7ffd)

core/global_constants.cpp

@@ -587,6 +587,7 @@ void register_global_constants() {
 	BIND_GLOBAL_ENUM_CONSTANT(PROPERTY_HINT_ENUM_SUGGESTION);
 	BIND_GLOBAL_ENUM_CONSTANT(PROPERTY_HINT_EXP_EASING);
 	BIND_GLOBAL_ENUM_CONSTANT(PROPERTY_HINT_LENGTH);
+	BIND_GLOBAL_ENUM_CONSTANT(PROPERTY_HINT_LINK);
 	BIND_GLOBAL_ENUM_CONSTANT(PROPERTY_HINT_KEY_ACCEL);
 	BIND_GLOBAL_ENUM_CONSTANT(PROPERTY_HINT_FLAGS);
 

core/object.h

@@ -62,6 +62,7 @@ enum PropertyHint {
 	PROPERTY_HINT_ENUM, ///< hint_text= "val1,val2,val3,etc"
 	PROPERTY_HINT_EXP_EASING, /// exponential easing function (Math::ease) use "attenuation" hint string to revert (flip h), "full" to also include in/out. (ie: "attenuation,inout")
 	PROPERTY_HINT_LENGTH, ///< hint_text= "length" (as integer)
+	PROPERTY_HINT_LINK,
 	PROPERTY_HINT_SPRITE_FRAME, // FIXME: Obsolete: drop whenever we can break compat. Keeping now for GDNative compat.
 	PROPERTY_HINT_KEY_ACCEL, ///< hint_text= "length" (as integer)
 	PROPERTY_HINT_FLAGS, ///< hint_text= "flag1,flag2,etc" (as bit flags)

doc/classes/@GlobalScope.xml

@@ -1421,7 +1421,7 @@
 			Hints that an integer, float or string property is an enumerated value to pick in a list specified via a hint string.
 			The hint string is a comma separated list of names such as [code]"Hello,Something,Else"[/code]. Whitespaces are [b]not[/b] removed from either end of a name. For integer and float properties, the first name in the list has value 0, the next 1, and so on. Explicit values can also be specified by appending [code]:integer[/code] to the name, e.g. [code]"Zero,One,Three:3,Four,Six:6"[/code].
 		</constant>
-		<constant name="PROPERTY_HINT_ENUM_SUGGESTION" value="39" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_ENUM_SUGGESTION" value="40" enum="PropertyHint">
 			Hints that a string property can be an enumerated value to pick in a list specified via a hint string such as [code]"Hello,Something,Else"[/code].
 			Unlike [constant PROPERTY_HINT_ENUM] a property with this hint still accepts arbitrary values and can be empty. The list of values serves to suggest possible values.
 		</constant>
@@ -1431,63 +1431,66 @@
 		<constant name="PROPERTY_HINT_LENGTH" value="5" enum="PropertyHint">
 			Deprecated hint, unused.
 		</constant>
-		<constant name="PROPERTY_HINT_KEY_ACCEL" value="7" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_LINK" value="6" enum="PropertyHint">
+			Hints that a vector property should allow linking values (e.g. to edit both [code]x[/code] and [code]y[/code] together).
+		</constant>
+		<constant name="PROPERTY_HINT_KEY_ACCEL" value="8" enum="PropertyHint">
 			Deprecated hint, unused.
 		</constant>
-		<constant name="PROPERTY_HINT_FLAGS" value="8" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_FLAGS" value="9" enum="PropertyHint">
 			Hints that an integer property is a bitmask with named bit flags. For example, to allow toggling bits 0, 1, 2 and 4, the hint could be something like [code]"Bit0,Bit1,Bit2,,Bit4"[/code].
 		</constant>
-		<constant name="PROPERTY_HINT_LAYERS_2D_RENDER" value="9" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_LAYERS_2D_RENDER" value="10" enum="PropertyHint">
 			Hints that an integer property is a bitmask using the optionally named 2D render layers.
 		</constant>
-		<constant name="PROPERTY_HINT_LAYERS_2D_PHYSICS" value="10" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_LAYERS_2D_PHYSICS" value="11" enum="PropertyHint">
 			Hints that an integer property is a bitmask using the optionally named 2D physics layers.
 		</constant>
-		<constant name="PROPERTY_HINT_LAYERS_2D_NAVIGATION" value="11" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_LAYERS_2D_NAVIGATION" value="12" enum="PropertyHint">
 			Hints that an integer property is a bitmask using the optionally named 2D navigation layers.
 		</constant>
-		<constant name="PROPERTY_HINT_LAYERS_3D_RENDER" value="12" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_LAYERS_3D_RENDER" value="13" enum="PropertyHint">
 			Hints that an integer property is a bitmask using the optionally named 3D render layers.
 		</constant>
-		<constant name="PROPERTY_HINT_LAYERS_3D_PHYSICS" value="13" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_LAYERS_3D_PHYSICS" value="14" enum="PropertyHint">
 			Hints that an integer property is a bitmask using the optionally named 3D physics layers.
 		</constant>
-		<constant name="PROPERTY_HINT_LAYERS_3D_NAVIGATION" value="14" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_LAYERS_3D_NAVIGATION" value="15" enum="PropertyHint">
 			Hints that an integer property is a bitmask using the optionally named 3D navigation layers.
 		</constant>
-		<constant name="PROPERTY_HINT_FILE" value="15" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_FILE" value="16" enum="PropertyHint">
 			Hints that a string property is a path to a file. Editing it will show a file dialog for picking the path. The hint string can be a set of filters with wildcards like [code]"*.png,*.jpg"[/code].
 		</constant>
-		<constant name="PROPERTY_HINT_DIR" value="16" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_DIR" value="17" enum="PropertyHint">
 			Hints that a string property is a path to a directory. Editing it will show a file dialog for picking the path.
 		</constant>
-		<constant name="PROPERTY_HINT_GLOBAL_FILE" value="17" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_GLOBAL_FILE" value="18" enum="PropertyHint">
 			Hints that a string property is an absolute path to a file outside the project folder. Editing it will show a file dialog for picking the path. The hint string can be a set of filters with wildcards like [code]"*.png,*.jpg"[/code].
 		</constant>
-		<constant name="PROPERTY_HINT_GLOBAL_DIR" value="18" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_GLOBAL_DIR" value="19" enum="PropertyHint">
 			Hints that a string property is an absolute path to a directory outside the project folder. Editing it will show a file dialog for picking the path.
 		</constant>
-		<constant name="PROPERTY_HINT_RESOURCE_TYPE" value="19" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_RESOURCE_TYPE" value="20" enum="PropertyHint">
 			Hints that a property is an instance of a [Resource]-derived type, optionally specified via the hint string (e.g. [code]"Texture"[/code]). Editing it will show a popup menu of valid resource types to instantiate.
 		</constant>
-		<constant name="PROPERTY_HINT_MULTILINE_TEXT" value="20" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_MULTILINE_TEXT" value="21" enum="PropertyHint">
 			Hints that a string property is text with line breaks. Editing it will show a text input field where line breaks can be typed.
 		</constant>
-		<constant name="PROPERTY_HINT_PLACEHOLDER_TEXT" value="21" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_PLACEHOLDER_TEXT" value="22" enum="PropertyHint">
 			Hints that a string property should have a placeholder text visible on its input field, whenever the property is empty. The hint string is the placeholder text to use.
 		</constant>
-		<constant name="PROPERTY_HINT_COLOR_NO_ALPHA" value="22" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_COLOR_NO_ALPHA" value="23" enum="PropertyHint">
 			Hints that a color property should be edited without changing its alpha component, i.e. only R, G and B channels are edited.
 		</constant>
-		<constant name="PROPERTY_HINT_IMAGE_COMPRESS_LOSSY" value="23" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_IMAGE_COMPRESS_LOSSY" value="24" enum="PropertyHint">
 			Hints that an image is compressed using lossy compression.
 		</constant>
-		<constant name="PROPERTY_HINT_IMAGE_COMPRESS_LOSSLESS" value="24" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_IMAGE_COMPRESS_LOSSLESS" value="25" enum="PropertyHint">
 			Hints that an image is compressed using lossless compression.
 		</constant>
-		<constant name="PROPERTY_HINT_OBJECT_ID" value="25" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_OBJECT_ID" value="26" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_TYPE_STRING" value="26" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_TYPE_STRING" value="27" enum="PropertyHint">
 			Hint that a property represents a particular type. If a property is [constant TYPE_STRING], allows to set a type from the create dialog. If you need to create an [Array] to contain elements of a specific type, the [code]hint_string[/code] must encode nested types using [code]":"[/code] and [code]"/"[/code] for specifying [Resource] types. For instance:
 			[codeblock]
 			hint_string = "%s:" % [TYPE_INT] # Array of inteters.
@@ -1497,34 +1500,34 @@
 			[/codeblock]
 			[b]Note:[/b] The final colon is required to specify for properly detecting built-in types.
 		</constant>
-		<constant name="PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE" value="27" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE" value="28" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_METHOD_OF_VARIANT_TYPE" value="28" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_METHOD_OF_VARIANT_TYPE" value="29" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_METHOD_OF_BASE_TYPE" value="29" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_METHOD_OF_BASE_TYPE" value="30" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_METHOD_OF_INSTANCE" value="30" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_METHOD_OF_INSTANCE" value="31" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_METHOD_OF_SCRIPT" value="31" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_METHOD_OF_SCRIPT" value="32" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_PROPERTY_OF_VARIANT_TYPE" value="32" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_PROPERTY_OF_VARIANT_TYPE" value="33" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_PROPERTY_OF_BASE_TYPE" value="33" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_PROPERTY_OF_BASE_TYPE" value="34" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_PROPERTY_OF_INSTANCE" value="34" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_PROPERTY_OF_INSTANCE" value="35" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_PROPERTY_OF_SCRIPT" value="35" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_PROPERTY_OF_SCRIPT" value="36" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_OBJECT_TOO_BIG" value="36" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_OBJECT_TOO_BIG" value="37" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_NODE_PATH_VALID_TYPES" value="37" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_NODE_PATH_VALID_TYPES" value="38" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_SAVE_FILE" value="38" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_SAVE_FILE" value="39" enum="PropertyHint">
 		</constant>
-		<constant name="PROPERTY_HINT_LOCALE_ID" value="40" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_LOCALE_ID" value="41" enum="PropertyHint">
 			Hints that a string property is a locale code. Editing it will show a locale dialog for picking language and country.
 		</constant>
-		<constant name="PROPERTY_HINT_MAX" value="41" enum="PropertyHint">
+		<constant name="PROPERTY_HINT_MAX" value="42" enum="PropertyHint">
 		</constant>
 		<constant name="PROPERTY_USAGE_STORAGE" value="1" enum="PropertyUsageFlags">
 			The property is serialized and saved in the scene file (default).

editor/editor_properties.cpp

@@ -1509,6 +1509,18 @@ void EditorPropertyVector2::_value_changed(double val, const String &p_name) {
 		return;
 	}
 
+	if (linked->is_pressed()) {
+		setting = true;
+		if (p_name == "x") {
+			spin[1]->set_value(spin[0]->get_value() * ratio_yx);
+		}
+
+		if (p_name == "y") {
+			spin[0]->set_value(spin[1]->get_value() * ratio_xy);
+		}
+		setting = false;
+	}
+
 	Vector2 v2;
 	v2.x = spin[0]->get_value();
 	v2.y = spin[1]->get_value();
@@ -1521,24 +1533,46 @@ void EditorPropertyVector2::update_property() {
 	spin[0]->set_value(val.x);
 	spin[1]->set_value(val.y);
 	setting = false;
+	_update_ratio();
+}
+
+void EditorPropertyVector2::_update_ratio() {
+	linked->set_modulate(Color(1, 1, 1, linked->is_pressed() ? 1.0 : 0.5));
+
+	if (spin[0]->get_value() != 0 && spin[1]->get_value() != 0) {
+		ratio_xy = spin[0]->get_value() / spin[1]->get_value();
+		ratio_yx = spin[1]->get_value() / spin[0]->get_value();
+	} else {
+		ratio_xy = 1.0;
+		ratio_yx = 1.0;
+	}
 }
 
 void EditorPropertyVector2::_notification(int p_what) {
-	if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_THEME_CHANGED) {
-		Color base = get_color("accent_color", "Editor");
-		for (int i = 0; i < 2; i++) {
-			Color c = base;
-			c.set_hsv(float(i) / 3.0 + 0.05, c.get_s() * 0.75, c.get_v());
-			spin[i]->set_custom_label_color(true, c);
-		}
+	switch (p_what) {
+		case NOTIFICATION_ENTER_TREE:
+		case NOTIFICATION_THEME_CHANGED: {
+			Ref<Texture> normal_icon = get_icon("Unlinked", "EditorIcons");
+			linked->set_custom_minimum_size(Vector2(normal_icon->get_width(), 0));
+			linked->set_normal_texture(normal_icon);
+			linked->set_pressed_texture(get_icon("Instance", "EditorIcons"));
+
+			Color base = get_color("accent_color", "Editor");
+			for (int i = 0; i < 2; i++) {
+				Color c = base;
+				c.set_hsv(float(i) / 3.0 + 0.05, c.get_s() * 0.75, c.get_v());
+				spin[i]->set_custom_label_color(true, c);
+			}
+		} break;
 	}
 }
 
 void EditorPropertyVector2::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("_update_ratio"), &EditorPropertyVector2::_update_ratio);
 	ClassDB::bind_method(D_METHOD("_value_changed"), &EditorPropertyVector2::_value_changed);
 }
 
-void EditorPropertyVector2::setup(double p_min, double p_max, double p_step, bool p_no_slider) {
+void EditorPropertyVector2::setup(double p_min, double p_max, double p_step, bool p_no_slider, bool p_link) {
 	for (int i = 0; i < 2; i++) {
 		spin[i]->set_min(p_min);
 		spin[i]->set_max(p_max);
@@ -1547,21 +1581,31 @@ void EditorPropertyVector2::setup(double p_min, double p_max, double p_step, boo
 		spin[i]->set_allow_greater(true);
 		spin[i]->set_allow_lesser(true);
 	}
+
+	if (!p_link) {
+		linked->hide();
+	} else {
+		linked->set_pressed(true);
+	}
 }
 
 EditorPropertyVector2::EditorPropertyVector2() {
 	bool horizontal = EDITOR_GET("interface/inspector/horizontal_vector2_editing");
 
+	HBoxContainer *hb = memnew(HBoxContainer);
+	hb->set_h_size_flags(SIZE_EXPAND_FILL);
+
 	BoxContainer *bc;
 
 	if (horizontal) {
 		bc = memnew(HBoxContainer);
-		add_child(bc);
-		set_bottom_editor(bc);
+		hb->add_child(bc);
+		set_bottom_editor(hb);
 	} else {
 		bc = memnew(VBoxContainer);
-		add_child(bc);
+		hb->add_child(bc);
 	}
+	bc->set_h_size_flags(SIZE_EXPAND_FILL);
 
 	static const char *desc[2] = { "x", "y" };
 	for (int i = 0; i < 2; i++) {
@@ -1576,6 +1620,14 @@ EditorPropertyVector2::EditorPropertyVector2() {
 		}
 	}
 
+	linked = memnew(TextureButton);
+	linked->set_toggle_mode(true);
+	linked->set_expand(true);
+	linked->set_stretch_mode(TextureButton::STRETCH_KEEP_CENTERED);
+	linked->connect("pressed", this, "_update_ratio");
+	hb->add_child(linked);
+
+	add_child(hb);
 	if (!horizontal) {
 		set_label_reference(spin[0]); //show text and buttons around this
 	}
@@ -1671,6 +1723,25 @@ void EditorPropertyVector3::_value_changed(double val, const String &p_name) {
 		return;
 	}
 
+	if (linked->is_pressed()) {
+		setting = true;
+		if (p_name == "x") {
+			spin[1]->set_value(spin[0]->get_value() * ratio_yx);
+			spin[2]->set_value(spin[0]->get_value() * ratio_zx);
+		}
+
+		if (p_name == "y") {
+			spin[0]->set_value(spin[1]->get_value() * ratio_xy);
+			spin[2]->set_value(spin[1]->get_value() * ratio_zy);
+		}
+
+		if (p_name == "z") {
+			spin[0]->set_value(spin[2]->get_value() * ratio_xz);
+			spin[1]->set_value(spin[2]->get_value() * ratio_yz);
+		}
+		setting = false;
+	}
+
 	Vector3 v3;
 	v3.x = spin[0]->get_value();
 	v3.y = spin[1]->get_value();
@@ -1685,22 +1756,54 @@ void EditorPropertyVector3::update_property() {
 	spin[1]->set_value(val.y);
 	spin[2]->set_value(val.z);
 	setting = false;
+
+	_update_ratio();
+}
+
+void EditorPropertyVector3::_update_ratio() {
+	linked->set_modulate(Color(1, 1, 1, linked->is_pressed() ? 1.0 : 0.5));
+
+	if (spin[0]->get_value() != 0 && spin[1]->get_value() != 0) {
+		ratio_yx = spin[1]->get_value() / spin[0]->get_value();
+		ratio_zx = spin[2]->get_value() / spin[0]->get_value();
+		ratio_xy = spin[0]->get_value() / spin[1]->get_value();
+		ratio_zy = spin[2]->get_value() / spin[1]->get_value();
+		ratio_xz = spin[0]->get_value() / spin[2]->get_value();
+		ratio_yz = spin[1]->get_value() / spin[2]->get_value();
+	} else {
+		ratio_yx = 1.0;
+		ratio_zx = 1.0;
+		ratio_xy = 1.0;
+		ratio_zy = 1.0;
+		ratio_xz = 1.0;
+		ratio_yz = 1.0;
+	}
 }
+
 void EditorPropertyVector3::_notification(int p_what) {
-	if (p_what == NOTIFICATION_ENTER_TREE || p_what == NOTIFICATION_THEME_CHANGED) {
-		Color base = get_color("accent_color", "Editor");
-		for (int i = 0; i < 3; i++) {
-			Color c = base;
-			c.set_hsv(float(i) / 3.0 + 0.05, c.get_s() * 0.75, c.get_v());
-			spin[i]->set_custom_label_color(true, c);
-		}
+	switch (p_what) {
+		case NOTIFICATION_ENTER_TREE:
+		case NOTIFICATION_THEME_CHANGED: {
+			Ref<Texture> normal_icon = get_icon("Unlinked", "EditorIcons");
+			linked->set_custom_minimum_size(Vector2(normal_icon->get_width(), 0));
+			linked->set_normal_texture(normal_icon);
+			linked->set_pressed_texture(get_icon("Instance", "EditorIcons"));
+
+			Color base = get_color("accent_color", "Editor");
+			for (int i = 0; i < 3; i++) {
+				Color c = base;
+				c.set_hsv(float(i) / 3.0 + 0.05, c.get_s() * 0.75, c.get_v());
+				spin[i]->set_custom_label_color(true, c);
+			}
+		} break;
 	}
 }
 void EditorPropertyVector3::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("_update_ratio"), &EditorPropertyVector3::_update_ratio);
 	ClassDB::bind_method(D_METHOD("_value_changed"), &EditorPropertyVector3::_value_changed);
 }
 
-void EditorPropertyVector3::setup(double p_min, double p_max, double p_step, bool p_no_slider) {
+void EditorPropertyVector3::setup(double p_min, double p_max, double p_step, bool p_no_slider, bool p_link) {
 	for (int i = 0; i < 3; i++) {
 		spin[i]->set_min(p_min);
 		spin[i]->set_max(p_max);
@@ -1709,21 +1812,31 @@ void EditorPropertyVector3::setup(double p_min, double p_max, double p_step, boo
 		spin[i]->set_allow_greater(true);
 		spin[i]->set_allow_lesser(true);
 	}
+
+	if (!p_link) {
+		linked->hide();
+	} else {
+		linked->set_pressed(true);
+	}
 }
 
 EditorPropertyVector3::EditorPropertyVector3() {
 	bool horizontal = EDITOR_GET("interface/inspector/horizontal_vector_types_editing");
 
+	HBoxContainer *hb = memnew(HBoxContainer);
+	hb->set_h_size_flags(SIZE_EXPAND_FILL);
+
 	BoxContainer *bc;
 
 	if (horizontal) {
 		bc = memnew(HBoxContainer);
-		add_child(bc);
-		set_bottom_editor(bc);
+		hb->add_child(bc);
+		set_bottom_editor(hb);
 	} else {
 		bc = memnew(VBoxContainer);
-		add_child(bc);
+		hb->add_child(bc);
 	}
+	bc->set_h_size_flags(SIZE_EXPAND_FILL);
 
 	static const char *desc[3] = { "x", "y", "z" };
 	for (int i = 0; i < 3; i++) {
@@ -1738,11 +1851,21 @@ EditorPropertyVector3::EditorPropertyVector3() {
 		}
 	}
 
+	linked = memnew(TextureButton);
+	linked->set_toggle_mode(true);
+	linked->set_expand(true);
+	linked->set_stretch_mode(TextureButton::STRETCH_KEEP_CENTERED);
+	linked->connect("pressed", this, "_update_ratio");
+	hb->add_child(linked);
+
+	add_child(hb);
 	if (!horizontal) {
 		set_label_reference(spin[0]); //show text and buttons around this
 	}
 	setting = false;
+	_update_ratio();
 }
+
 ///////////////////// PLANE /////////////////////////
 
 void EditorPropertyPlane::_value_changed(double val, const String &p_name) {
@@ -3035,7 +3158,7 @@ bool EditorInspectorDefaultPlugin::parse_property(Object *p_object, Variant::Typ
 				hide_slider = false;
 			}
 
-			editor->setup(min, max, step, hide_slider);
+			editor->setup(min, max, step, hide_slider, p_hint == PROPERTY_HINT_LINK);
 			add_property_editor(p_path, editor);
 
 		} break; // 5
@@ -3070,7 +3193,7 @@ bool EditorInspectorDefaultPlugin::parse_property(Object *p_object, Variant::Typ
 				hide_slider = false;
 			}
 
-			editor->setup(min, max, step, hide_slider);
+			editor->setup(min, max, step, hide_slider, p_hint == PROPERTY_HINT_LINK);
 			add_property_editor(p_path, editor);
 
 		} break;

editor/editor_properties.h

@@ -376,6 +376,10 @@ class EditorPropertyVector2 : public EditorProperty {
 	GDCLASS(EditorPropertyVector2, EditorProperty);
 	EditorSpinSlider *spin[2];
 	bool setting;
+	double ratio_xy = 1.0;
+	double ratio_yx = 1.0;
+	TextureButton *linked = nullptr;
+	void _update_ratio();
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -384,7 +388,7 @@ protected:
 
 public:
 	virtual void update_property();
-	void setup(double p_min, double p_max, double p_step, bool p_no_slider);
+	void setup(double p_min, double p_max, double p_step, bool p_no_slider, bool p_link = false);
 	EditorPropertyVector2();
 };
 
@@ -408,6 +412,14 @@ class EditorPropertyVector3 : public EditorProperty {
 	GDCLASS(EditorPropertyVector3, EditorProperty);
 	EditorSpinSlider *spin[3];
 	bool setting;
+	double ratio_yx = 1.0;
+	double ratio_zx = 1.0;
+	double ratio_xy = 1.0;
+	double ratio_zy = 1.0;
+	double ratio_xz = 1.0;
+	double ratio_yz = 1.0;
+	TextureButton *linked = nullptr;
+	void _update_ratio();
 	void _value_changed(double p_val, const String &p_name);
 
 protected:
@@ -416,7 +428,7 @@ protected:
 
 public:
 	virtual void update_property();
-	void setup(double p_min, double p_max, double p_step, bool p_no_slider);
+	void setup(double p_min, double p_max, double p_step, bool p_no_slider, bool p_link = false);
 	EditorPropertyVector3();
 };
 

editor/icons/icon_unlinked.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16"><defs><clipPath id="a"><path d="M0 0h16v16H0z"/></clipPath></defs><g clip-path="url(#a)" fill="#e0e0e0"><path d="M1.136 12.036a3.994 3.994 0 0 1-.137-1.047 4.007 4.007 0 0 1 2.965-3.853 1 1 0 0 1 1.225.707 1 1 0 0 1 .034.25 1 1 0 0 1-.741.975 2 2 0 0 0-1.483 1.926 1.994 1.994 0 0 0 .068.523 2 2 0 0 0 2.45 1.415 2 2 0 0 0 1.484-1.931 2 2 0 0 0-.068-.523 1 1 0 0 1-.034-.25 1 1 0 0 1 .742-.975 1 1 0 0 1 1.225.707 3.991 3.991 0 0 1 .137 1.046 4.007 4.007 0 0 1-2.965 3.852 3.993 3.993 0 0 1-1.035.137 4.006 4.006 0 0 1-3.867-2.959zM9.965 8.863a1 1 0 0 1-.742-.975 1 1 0 0 1 .034-.25 1 1 0 0 1 1.225-.706 2 2 0 0 0 2.449-1.415A1.994 1.994 0 0 0 13 4.994a2 2 0 0 0-1.483-1.926 2 2 0 0 0-2.45 1.414 1 1 0 0 1-1.224.707 1 1 0 0 1-.742-.975 1 1 0 0 1 .034-.25 4 4 0 0 1 4.9-2.829A4.008 4.008 0 0 1 15 4.988a3.993 3.993 0 0 1-.137 1.047 4.006 4.006 0 0 1-3.862 2.966 3.989 3.989 0 0 1-1.036-.138zM5.5 4a.5.5 0 0 1-.5-.5v-2a.5.5 0 0 1 .5-.5.5.5 0 0 1 .5.5v2a.5.5 0 0 1-.5.5zM4.5 5a.5.5 0 0 1-.354-.146l-2-2a.5.5 0 0 1 0-.707.5.5 0 0 1 .707 0l2 2A.5.5 0 0 1 4.5 5zM3.5 6h-2a.5.5 0 0 1-.5-.5.5.5 0 0 1 .5-.5h2a.5.5 0 0 1 .5.5.5.5 0 0 1-.5.5z"/></g></svg>

scene/2d/node_2d.cpp

@@ -425,7 +425,7 @@ void Node2D::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "position"), "set_position", "get_position");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "rotation", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR), "set_rotation", "get_rotation");
 	ADD_PROPERTY(PropertyInfo(Variant::REAL, "rotation_degrees", PROPERTY_HINT_RANGE, "-360,360,0.1,or_lesser,or_greater", PROPERTY_USAGE_EDITOR), "set_rotation_degrees", "get_rotation_degrees");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scale"), "set_scale", "get_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scale", PROPERTY_HINT_LINK), "set_scale", "get_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM2D, "transform", PROPERTY_HINT_NONE, "", 0), "set_transform", "get_transform");
 
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "global_position", PROPERTY_HINT_NONE, "", 0), "set_global_position", "get_global_position");

scene/3d/spatial.cpp

@@ -938,7 +938,7 @@ void Spatial::_bind_methods() {
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "translation", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR), "set_translation", "get_translation");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "rotation_degrees", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR), "set_rotation_degrees", "get_rotation_degrees");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "rotation", PROPERTY_HINT_NONE, "", 0), "set_rotation", "get_rotation");
-	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "scale", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR), "set_scale", "get_scale");
+	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "scale", PROPERTY_HINT_LINK, "", PROPERTY_USAGE_EDITOR), "set_scale", "get_scale");
 	ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM, "global_transform", PROPERTY_HINT_NONE, "", 0), "set_global_transform", "get_global_transform");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "global_translation", PROPERTY_HINT_NONE, "", 0), "set_global_translation", "get_global_translation");
 	ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "global_rotation", PROPERTY_HINT_NONE, "", 0), "set_global_rotation", "get_global_rotation");

scene/gui/control.cpp

@@ -432,6 +432,10 @@ void Control::_validate_property(PropertyInfo &property) const {
 
 		property.hint_string = hint_string;
 	}
+
+	if (property.name == "rect_scale") {
+		property.hint = PROPERTY_HINT_LINK;
+	}
 }
 
 Control *Control::get_parent_control() const {