Improve includes of EditorNode (and everything else)

Also start organizing editor-specific GUI components
into a dedicated folder, `editor/gui`.
Also move `editor_file_server` next to the rest of debugger classes.

1 files changed, 703 insertions, 0 deletions

diff --git a/editor/gui/editor_spin_slider.cpp b/editor/gui/editor_spin_slider.cpp
new file mode 100644
index 0000000000..2d3ec437c6
--- /dev/null
+++ b/editor/gui/editor_spin_slider.cpp
@@ -0,0 +1,703 @@
+/**************************************************************************/
+/*  editor_spin_slider.cpp                                                */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "editor_spin_slider.h"
+
+#include "core/input/input.h"
+#include "core/math/expression.h"
+#include "core/os/keyboard.h"
+#include "editor/editor_scale.h"
+
+String EditorSpinSlider::get_tooltip(const Point2 &p_pos) const {
+	if (grabber->is_visible()) {
+#ifdef MACOS_ENABLED
+		Key key = Key::META;
+#else
+		Key key = Key::CTRL;
+#endif
+		return TS->format_number(rtos(get_value())) + "\n\n" + vformat(TTR("Hold %s to round to integers.\nHold Shift for more precise changes."), find_keycode_name(key));
+	}
+	return TS->format_number(rtos(get_value()));
+}
+
+String EditorSpinSlider::get_text_value() const {
+	return TS->format_number(String::num(get_value(), Math::range_step_decimals(get_step())));
+}
+
+void EditorSpinSlider::gui_input(const Ref<InputEvent> &p_event) {
+	ERR_FAIL_COND(p_event.is_null());
+
+	if (read_only) {
+		return;
+	}
+
+	Ref<InputEventMouseButton> mb = p_event;
+	if (mb.is_valid()) {
+		if (mb->get_button_index() == MouseButton::LEFT) {
+			if (mb->is_pressed()) {
+				if (updown_offset != -1 && mb->get_position().x > updown_offset) {
+					//there is an updown, so use it.
+					if (mb->get_position().y < get_size().height / 2) {
+						set_value(get_value() + get_step());
+					} else {
+						set_value(get_value() - get_step());
+					}
+					return;
+				} else {
+					grabbing_spinner_attempt = true;
+					grabbing_spinner_dist_cache = 0;
+					pre_grab_value = get_value();
+					grabbing_spinner = false;
+					grabbing_spinner_mouse_pos = get_global_mouse_position();
+					emit_signal("grabbed");
+				}
+			} else {
+				if (grabbing_spinner_attempt) {
+					if (grabbing_spinner) {
+						Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
+						Input::get_singleton()->warp_mouse(grabbing_spinner_mouse_pos);
+						queue_redraw();
+						emit_signal("ungrabbed");
+					} else {
+						_focus_entered();
+					}
+
+					grabbing_spinner = false;
+					grabbing_spinner_attempt = false;
+				}
+			}
+		} else if (mb->get_button_index() == MouseButton::WHEEL_UP || mb->get_button_index() == MouseButton::WHEEL_DOWN) {
+			if (grabber->is_visible()) {
+				call_deferred(SNAME("queue_redraw"));
+			}
+		}
+	}
+
+	Ref<InputEventMouseMotion> mm = p_event;
+	if (mm.is_valid()) {
+		if (grabbing_spinner_attempt) {
+			double diff_x = mm->get_relative().x;
+			if (mm->is_shift_pressed() && grabbing_spinner) {
+				diff_x *= 0.1;
+			}
+			grabbing_spinner_dist_cache += diff_x;
+
+			if (!grabbing_spinner && ABS(grabbing_spinner_dist_cache) > 4 * EDSCALE) {
+				Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_CAPTURED);
+				grabbing_spinner = true;
+			}
+
+			if (grabbing_spinner) {
+				// Don't make the user scroll all the way back to 'in range' if they went off the end.
+				if (pre_grab_value < get_min() && !is_lesser_allowed()) {
+					pre_grab_value = get_min();
+				}
+				if (pre_grab_value > get_max() && !is_greater_allowed()) {
+					pre_grab_value = get_max();
+				}
+
+				if (mm->is_command_or_control_pressed()) {
+					// If control was just pressed, don't make the value do a huge jump in magnitude.
+					if (grabbing_spinner_dist_cache != 0) {
+						pre_grab_value += grabbing_spinner_dist_cache * get_step();
+						grabbing_spinner_dist_cache = 0;
+					}
+
+					set_value(Math::round(pre_grab_value + get_step() * grabbing_spinner_dist_cache * 10));
+				} else {
+					set_value(pre_grab_value + get_step() * grabbing_spinner_dist_cache);
+				}
+			}
+		} else if (updown_offset != -1) {
+			bool new_hover = (mm->get_position().x > updown_offset);
+			if (new_hover != hover_updown) {
+				hover_updown = new_hover;
+				queue_redraw();
+			}
+		}
+	}
+
+	Ref<InputEventKey> k = p_event;
+	if (k.is_valid() && k->is_pressed() && k->is_action("ui_accept", true)) {
+		_focus_entered();
+	}
+}
+
+void EditorSpinSlider::_grabber_gui_input(const Ref<InputEvent> &p_event) {
+	if (read_only) {
+		return;
+	}
+
+	Ref<InputEventMouseButton> mb = p_event;
+
+	if (is_read_only()) {
+		return;
+	}
+
+	if (grabbing_grabber) {
+		if (mb.is_valid()) {
+			if (mb->get_button_index() == MouseButton::WHEEL_UP) {
+				set_value(get_value() + get_step());
+				mousewheel_over_grabber = true;
+			} else if (mb->get_button_index() == MouseButton::WHEEL_DOWN) {
+				set_value(get_value() - get_step());
+				mousewheel_over_grabber = true;
+			}
+		}
+	}
+
+	if (mb.is_valid() && mb->get_button_index() == MouseButton::LEFT) {
+		if (mb->is_pressed()) {
+			grabbing_grabber = true;
+			if (!mousewheel_over_grabber) {
+				grabbing_ratio = get_as_ratio();
+				grabbing_from = grabber->get_transform().xform(mb->get_position()).x;
+			}
+			emit_signal("grabbed");
+		} else {
+			grabbing_grabber = false;
+			mousewheel_over_grabber = false;
+			emit_signal("ungrabbed");
+		}
+	}
+
+	Ref<InputEventMouseMotion> mm = p_event;
+	if (mm.is_valid() && grabbing_grabber) {
+		if (mousewheel_over_grabber) {
+			return;
+		}
+
+		float scale_x = get_global_transform_with_canvas().get_scale().x;
+		ERR_FAIL_COND(Math::is_zero_approx(scale_x));
+		float grabbing_ofs = (grabber->get_transform().xform(mm->get_position()).x - grabbing_from) / float(grabber_range) / scale_x;
+		set_as_ratio(grabbing_ratio + grabbing_ofs);
+		queue_redraw();
+	}
+}
+
+void EditorSpinSlider::_value_input_gui_input(const Ref<InputEvent> &p_event) {
+	Ref<InputEventKey> k = p_event;
+	if (k.is_valid() && k->is_pressed() && !is_read_only()) {
+		double step = get_step();
+		double real_step = step;
+		if (step < 1) {
+			double divisor = 1.0 / get_step();
+
+			if (trunc(divisor) == divisor) {
+				step = 1.0;
+			}
+		}
+
+		if (k->is_ctrl_pressed()) {
+			step *= 100.0;
+		} else if (k->is_shift_pressed()) {
+			step *= 10.0;
+		} else if (k->is_alt_pressed()) {
+			step *= 0.1;
+		}
+
+		Key code = k->get_keycode();
+		switch (code) {
+			case Key::UP: {
+				_evaluate_input_text();
+
+				double last_value = get_value();
+				set_value(last_value + step);
+				double new_value = get_value();
+
+				if (new_value < CLAMP(last_value + step, get_min(), get_max())) {
+					set_value(last_value + real_step);
+				}
+
+				value_input_dirty = true;
+				set_process_internal(true);
+			} break;
+			case Key::DOWN: {
+				_evaluate_input_text();
+
+				double last_value = get_value();
+				set_value(last_value - step);
+				double new_value = get_value();
+
+				if (new_value > CLAMP(last_value - step, get_min(), get_max())) {
+					set_value(last_value - real_step);
+				}
+
+				value_input_dirty = true;
+				set_process_internal(true);
+			} break;
+			case Key::ESCAPE: {
+				value_input_closed_frame = Engine::get_singleton()->get_frames_drawn();
+				if (value_input_popup) {
+					value_input_popup->hide();
+				}
+			} break;
+			default:
+				break;
+		}
+	}
+}
+
+void EditorSpinSlider::_update_value_input_stylebox() {
+	if (!value_input) {
+		return;
+	}
+
+	// Add a left margin to the stylebox to make the number align with the Label
+	// when it's edited. The LineEdit "focus" stylebox uses the "normal" stylebox's
+	// default margins.
+	Ref<StyleBox> stylebox = get_theme_stylebox(SNAME("normal"), SNAME("LineEdit"))->duplicate();
+	// EditorSpinSliders with a label have more space on the left, so add an
+	// higher margin to match the location where the text begins.
+	// The margin values below were determined by empirical testing.
+	if (is_layout_rtl()) {
+		stylebox->set_content_margin(SIDE_LEFT, 0);
+		stylebox->set_content_margin(SIDE_RIGHT, (!get_label().is_empty() ? 23 : 16) * EDSCALE);
+	} else {
+		stylebox->set_content_margin(SIDE_LEFT, (!get_label().is_empty() ? 23 : 16) * EDSCALE);
+		stylebox->set_content_margin(SIDE_RIGHT, 0);
+	}
+
+	value_input->add_theme_style_override("normal", stylebox);
+}
+
+void EditorSpinSlider::_draw_spin_slider() {
+	updown_offset = -1;
+
+	RID ci = get_canvas_item();
+	bool rtl = is_layout_rtl();
+	Vector2 size = get_size();
+
+	Ref<StyleBox> sb = get_theme_stylebox(is_read_only() ? SNAME("read_only") : SNAME("normal"), SNAME("LineEdit"));
+	if (!flat) {
+		draw_style_box(sb, Rect2(Vector2(), size));
+	}
+	Ref<Font> font = get_theme_font(SNAME("font"), SNAME("LineEdit"));
+	int font_size = get_theme_font_size(SNAME("font_size"), SNAME("LineEdit"));
+	int sep_base = 4 * EDSCALE;
+	int sep = sep_base + sb->get_offset().x; //make it have the same margin on both sides, looks better
+
+	int label_width = font->get_string_size(label, HORIZONTAL_ALIGNMENT_LEFT, -1, font_size).width;
+	int number_width = size.width - sb->get_minimum_size().width - label_width - sep;
+
+	Ref<Texture2D> updown = get_theme_icon(is_read_only() ? SNAME("updown_disabled") : SNAME("updown"), SNAME("SpinBox"));
+
+	String numstr = get_text_value();
+
+	int vofs = (size.height - font->get_height(font_size)) / 2 + font->get_ascent(font_size);
+
+	Color fc = get_theme_color(is_read_only() ? SNAME("font_uneditable_color") : SNAME("font_color"), SNAME("LineEdit"));
+	Color lc = get_theme_color(is_read_only() ? SNAME("read_only_label_color") : SNAME("label_color"));
+
+	if (flat && !label.is_empty()) {
+		Ref<StyleBox> label_bg = get_theme_stylebox(SNAME("label_bg"), SNAME("EditorSpinSlider"));
+		if (rtl) {
+			draw_style_box(label_bg, Rect2(Vector2(size.width - (sb->get_offset().x * 2 + label_width), 0), Vector2(sb->get_offset().x * 2 + label_width, size.height)));
+		} else {
+			draw_style_box(label_bg, Rect2(Vector2(), Vector2(sb->get_offset().x * 2 + label_width, size.height)));
+		}
+	}
+
+	if (has_focus()) {
+		Ref<StyleBox> focus = get_theme_stylebox(SNAME("focus"), SNAME("LineEdit"));
+		draw_style_box(focus, Rect2(Vector2(), size));
+	}
+
+	if (rtl) {
+		draw_string(font, Vector2(Math::round(size.width - sb->get_offset().x - label_width), vofs), label, HORIZONTAL_ALIGNMENT_RIGHT, -1, font_size, lc * Color(1, 1, 1, 0.5));
+	} else {
+		draw_string(font, Vector2(Math::round(sb->get_offset().x), vofs), label, HORIZONTAL_ALIGNMENT_LEFT, -1, font_size, lc * Color(1, 1, 1, 0.5));
+	}
+
+	int suffix_start = numstr.length();
+	RID num_rid = TS->create_shaped_text();
+	TS->shaped_text_add_string(num_rid, numstr + U"\u2009" + suffix, font->get_rids(), font_size, font->get_opentype_features());
+	for (int i = 0; i < TextServer::SPACING_MAX; i++) {
+		TS->shaped_text_set_spacing(num_rid, TextServer::SpacingType(i), font->get_spacing(TextServer::SpacingType(i)));
+	}
+
+	float text_start = rtl ? Math::round(sb->get_offset().x) : Math::round(sb->get_offset().x + label_width + sep);
+	Vector2 text_ofs = rtl ? Vector2(text_start + (number_width - TS->shaped_text_get_width(num_rid)), vofs) : Vector2(text_start, vofs);
+	int v_size = TS->shaped_text_get_glyph_count(num_rid);
+	const Glyph *glyphs = TS->shaped_text_get_glyphs(num_rid);
+	for (int i = 0; i < v_size; i++) {
+		for (int j = 0; j < glyphs[i].repeat; j++) {
+			if (text_ofs.x >= text_start && (text_ofs.x + glyphs[i].advance) <= (text_start + number_width)) {
+				Color color = fc;
+				if (glyphs[i].start >= suffix_start) {
+					color.a *= 0.4;
+				}
+				if (glyphs[i].font_rid != RID()) {
+					TS->font_draw_glyph(glyphs[i].font_rid, ci, glyphs[i].font_size, text_ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, color);
+				} else if ((glyphs[i].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
+					TS->draw_hex_code_box(ci, glyphs[i].font_size, text_ofs + Vector2(glyphs[i].x_off, glyphs[i].y_off), glyphs[i].index, color);
+				}
+			}
+			text_ofs.x += glyphs[i].advance;
+		}
+	}
+	TS->free_rid(num_rid);
+
+	if (!hide_slider) {
+		if (get_step() == 1) {
+			Ref<Texture2D> updown2 = get_theme_icon(is_read_only() ? SNAME("updown_disabled") : SNAME("updown"), SNAME("SpinBox"));
+			int updown_vofs = (size.height - updown2->get_height()) / 2;
+			if (rtl) {
+				updown_offset = sb->get_margin(SIDE_LEFT);
+			} else {
+				updown_offset = size.width - sb->get_margin(SIDE_RIGHT) - updown2->get_width();
+			}
+			Color c(1, 1, 1);
+			if (hover_updown) {
+				c *= Color(1.2, 1.2, 1.2);
+			}
+			draw_texture(updown2, Vector2(updown_offset, updown_vofs), c);
+			if (grabber->is_visible()) {
+				grabber->hide();
+			}
+		} else {
+			const int grabber_w = 4 * EDSCALE;
+			const int width = size.width - sb->get_minimum_size().width - grabber_w;
+			const int ofs = sb->get_offset().x;
+			const int svofs = (size.height + vofs) / 2 - 1;
+			Color c = fc;
+
+			// Draw the horizontal slider's background.
+			c.a = 0.2;
+			draw_rect(Rect2(ofs, svofs + 1, width, 2 * EDSCALE), c);
+
+			// Draw the horizontal slider's filled part on the left.
+			const int gofs = get_as_ratio() * width;
+			c.a = 0.45;
+			draw_rect(Rect2(ofs, svofs + 1, gofs, 2 * EDSCALE), c);
+
+			// Draw the horizontal slider's grabber.
+			c.a = 0.9;
+			const Rect2 grabber_rect = Rect2(ofs + gofs, svofs, grabber_w, 4 * EDSCALE);
+			draw_rect(grabber_rect, c);
+
+			grabbing_spinner_mouse_pos = get_global_position() + grabber_rect.get_center();
+
+			bool display_grabber = (grabbing_grabber || mouse_over_spin || mouse_over_grabber) && !grabbing_spinner && !(value_input_popup && value_input_popup->is_visible());
+			if (grabber->is_visible() != display_grabber) {
+				if (display_grabber) {
+					grabber->show();
+				} else {
+					grabber->hide();
+				}
+			}
+
+			if (display_grabber) {
+				Ref<Texture2D> grabber_tex;
+				if (mouse_over_grabber) {
+					grabber_tex = get_theme_icon(SNAME("grabber_highlight"), SNAME("HSlider"));
+				} else {
+					grabber_tex = get_theme_icon(SNAME("grabber"), SNAME("HSlider"));
+				}
+
+				if (grabber->get_texture() != grabber_tex) {
+					grabber->set_texture(grabber_tex);
+				}
+
+				Vector2 scale = get_global_transform_with_canvas().get_scale();
+				grabber->set_scale(scale);
+				grabber->reset_size();
+				grabber->set_position(get_global_position() + (grabber_rect.get_center() - grabber->get_size() * 0.5) * scale);
+
+				if (mousewheel_over_grabber) {
+					Input::get_singleton()->warp_mouse(grabber->get_position() + grabber_rect.size);
+				}
+
+				grabber_range = width;
+			}
+		}
+	}
+}
+
+void EditorSpinSlider::_notification(int p_what) {
+	switch (p_what) {
+		case NOTIFICATION_ENTER_TREE:
+		case NOTIFICATION_THEME_CHANGED: {
+			_update_value_input_stylebox();
+		} break;
+
+		case NOTIFICATION_INTERNAL_PROCESS: {
+			if (value_input_dirty) {
+				value_input_dirty = false;
+				value_input->set_text(get_text_value());
+			}
+			set_process_internal(false);
+		} break;
+
+		case NOTIFICATION_DRAW: {
+			_draw_spin_slider();
+		} break;
+
+		case NOTIFICATION_WM_WINDOW_FOCUS_IN:
+		case NOTIFICATION_WM_WINDOW_FOCUS_OUT:
+		case NOTIFICATION_WM_CLOSE_REQUEST:
+		case NOTIFICATION_EXIT_TREE: {
+			if (grabbing_spinner) {
+				grabber->hide();
+				Input::get_singleton()->set_mouse_mode(Input::MOUSE_MODE_VISIBLE);
+				Input::get_singleton()->warp_mouse(grabbing_spinner_mouse_pos);
+				grabbing_spinner = false;
+				grabbing_spinner_attempt = false;
+			}
+		} break;
+
+		case NOTIFICATION_MOUSE_ENTER: {
+			mouse_over_spin = true;
+			queue_redraw();
+		} break;
+
+		case NOTIFICATION_MOUSE_EXIT: {
+			mouse_over_spin = false;
+			queue_redraw();
+		} break;
+
+		case NOTIFICATION_FOCUS_ENTER: {
+			if ((Input::get_singleton()->is_action_pressed("ui_focus_next") || Input::get_singleton()->is_action_pressed("ui_focus_prev")) && value_input_closed_frame != Engine::get_singleton()->get_frames_drawn()) {
+				_focus_entered();
+			}
+			value_input_closed_frame = 0;
+		} break;
+	}
+}
+
+LineEdit *EditorSpinSlider::get_line_edit() {
+	_ensure_input_popup();
+	return value_input;
+}
+
+Size2 EditorSpinSlider::get_minimum_size() const {
+	Ref<StyleBox> sb = get_theme_stylebox(SNAME("normal"), SNAME("LineEdit"));
+	Ref<Font> font = get_theme_font(SNAME("font"), SNAME("LineEdit"));
+	int font_size = get_theme_font_size(SNAME("font_size"), SNAME("LineEdit"));
+
+	Size2 ms = sb->get_minimum_size();
+	ms.height += font->get_height(font_size);
+
+	return ms;
+}
+
+void EditorSpinSlider::set_hide_slider(bool p_hide) {
+	hide_slider = p_hide;
+	queue_redraw();
+}
+
+bool EditorSpinSlider::is_hiding_slider() const {
+	return hide_slider;
+}
+
+void EditorSpinSlider::set_label(const String &p_label) {
+	label = p_label;
+	queue_redraw();
+}
+
+String EditorSpinSlider::get_label() const {
+	return label;
+}
+
+void EditorSpinSlider::set_suffix(const String &p_suffix) {
+	suffix = p_suffix;
+	queue_redraw();
+}
+
+String EditorSpinSlider::get_suffix() const {
+	return suffix;
+}
+
+void EditorSpinSlider::_evaluate_input_text() {
+	// Replace comma with dot to support it as decimal separator (GH-6028).
+	// This prevents using functions like `pow()`, but using functions
+	// in EditorSpinSlider is a barely known (and barely used) feature.
+	// Instead, we'd rather support German/French keyboard layouts out of the box.
+	const String text = TS->parse_number(value_input->get_text().replace(",", "."));
+
+	Ref<Expression> expr;
+	expr.instantiate();
+	Error err = expr->parse(text);
+	if (err != OK) {
+		return;
+	}
+
+	Variant v = expr->execute(Array(), nullptr, false, true);
+	if (v.get_type() == Variant::NIL) {
+		return;
+	}
+	set_value(v);
+}
+
+//text_submitted signal
+void EditorSpinSlider::_value_input_submitted(const String &p_text) {
+	value_input_closed_frame = Engine::get_singleton()->get_frames_drawn();
+	if (value_input_popup) {
+		value_input_popup->hide();
+	}
+}
+
+//modal_closed signal
+void EditorSpinSlider::_value_input_closed() {
+	_evaluate_input_text();
+	value_input_closed_frame = Engine::get_singleton()->get_frames_drawn();
+}
+
+//focus_exited signal
+void EditorSpinSlider::_value_focus_exited() {
+	// discontinue because the focus_exit was caused by right-click context menu
+	if (value_input->is_menu_visible()) {
+		return;
+	}
+
+	_evaluate_input_text();
+	// focus is not on the same element after the vlalue_input was exited
+	// -> focus is on next element
+	// -> TAB was pressed
+	// -> modal_close was not called
+	// -> need to close/hide manually
+	if (value_input_closed_frame != Engine::get_singleton()->get_frames_drawn()) {
+		if (value_input_popup) {
+			value_input_popup->hide();
+		}
+		//tab was pressed
+	} else {
+		//enter, click, esc
+		grab_focus();
+	}
+
+	emit_signal("value_focus_exited");
+}
+
+void EditorSpinSlider::_grabber_mouse_entered() {
+	mouse_over_grabber = true;
+	queue_redraw();
+}
+
+void EditorSpinSlider::_grabber_mouse_exited() {
+	mouse_over_grabber = false;
+	queue_redraw();
+}
+
+void EditorSpinSlider::set_read_only(bool p_enable) {
+	read_only = p_enable;
+	queue_redraw();
+}
+
+bool EditorSpinSlider::is_read_only() const {
+	return read_only;
+}
+
+void EditorSpinSlider::set_flat(bool p_enable) {
+	flat = p_enable;
+	queue_redraw();
+}
+
+bool EditorSpinSlider::is_flat() const {
+	return flat;
+}
+
+bool EditorSpinSlider::is_grabbing() const {
+	return grabbing_grabber || grabbing_spinner;
+}
+
+void EditorSpinSlider::_focus_entered() {
+	_ensure_input_popup();
+	value_input->set_text(get_text_value());
+	value_input_popup->set_size(get_size());
+	value_input_popup->call_deferred(SNAME("show"));
+	value_input->call_deferred(SNAME("grab_focus"));
+	value_input->call_deferred(SNAME("select_all"));
+	value_input->set_focus_next(find_next_valid_focus()->get_path());
+	value_input->set_focus_previous(find_prev_valid_focus()->get_path());
+	emit_signal("value_focus_entered");
+}
+
+void EditorSpinSlider::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("set_label", "label"), &EditorSpinSlider::set_label);
+	ClassDB::bind_method(D_METHOD("get_label"), &EditorSpinSlider::get_label);
+
+	ClassDB::bind_method(D_METHOD("set_suffix", "suffix"), &EditorSpinSlider::set_suffix);
+	ClassDB::bind_method(D_METHOD("get_suffix"), &EditorSpinSlider::get_suffix);
+
+	ClassDB::bind_method(D_METHOD("set_read_only", "read_only"), &EditorSpinSlider::set_read_only);
+	ClassDB::bind_method(D_METHOD("is_read_only"), &EditorSpinSlider::is_read_only);
+
+	ClassDB::bind_method(D_METHOD("set_flat", "flat"), &EditorSpinSlider::set_flat);
+	ClassDB::bind_method(D_METHOD("is_flat"), &EditorSpinSlider::is_flat);
+
+	ClassDB::bind_method(D_METHOD("set_hide_slider", "hide_slider"), &EditorSpinSlider::set_hide_slider);
+	ClassDB::bind_method(D_METHOD("is_hiding_slider"), &EditorSpinSlider::is_hiding_slider);
+
+	ADD_PROPERTY(PropertyInfo(Variant::STRING, "label"), "set_label", "get_label");
+	ADD_PROPERTY(PropertyInfo(Variant::STRING, "suffix"), "set_suffix", "get_suffix");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "read_only"), "set_read_only", "is_read_only");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flat"), "set_flat", "is_flat");
+	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hide_slider"), "set_hide_slider", "is_hiding_slider");
+
+	ADD_SIGNAL(MethodInfo("grabbed"));
+	ADD_SIGNAL(MethodInfo("ungrabbed"));
+	ADD_SIGNAL(MethodInfo("value_focus_entered"));
+	ADD_SIGNAL(MethodInfo("value_focus_exited"));
+}
+
+void EditorSpinSlider::_ensure_input_popup() {
+	if (value_input_popup) {
+		return;
+	}
+
+	value_input_popup = memnew(Control);
+	add_child(value_input_popup);
+
+	value_input = memnew(LineEdit);
+	value_input->set_focus_mode(FOCUS_CLICK);
+	value_input_popup->add_child(value_input);
+	value_input->set_anchors_and_offsets_preset(PRESET_FULL_RECT);
+	value_input_popup->connect("hidden", callable_mp(this, &EditorSpinSlider::_value_input_closed));
+	value_input->connect("text_submitted", callable_mp(this, &EditorSpinSlider::_value_input_submitted));
+	value_input->connect("focus_exited", callable_mp(this, &EditorSpinSlider::_value_focus_exited));
+	value_input->connect("gui_input", callable_mp(this, &EditorSpinSlider::_value_input_gui_input));
+
+	if (is_inside_tree()) {
+		_update_value_input_stylebox();
+	}
+}
+
+EditorSpinSlider::EditorSpinSlider() {
+	set_focus_mode(FOCUS_ALL);
+	grabber = memnew(TextureRect);
+	add_child(grabber);
+	grabber->hide();
+	grabber->set_as_top_level(true);
+	grabber->set_mouse_filter(MOUSE_FILTER_STOP);
+	grabber->connect("mouse_entered", callable_mp(this, &EditorSpinSlider::_grabber_mouse_entered));
+	grabber->connect("mouse_exited", callable_mp(this, &EditorSpinSlider::_grabber_mouse_exited));
+	grabber->connect("gui_input", callable_mp(this, &EditorSpinSlider::_grabber_gui_input));
+}