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fe000277ea
This adds binds for GraphEdit/GraphElement/GraphNode, which were skipped before due to a rework. This also adds binds for Window, which was skipped before due to a complicated code organization. Also adds theme cache entries/direct cache access to a few places that previously missed it. Some theme properties are now exposed to other classes via friendships or public getters for convenience. This removes all string-based theme access from scene/ classes.
436 lines
14 KiB
C++
436 lines
14 KiB
C++
/**************************************************************************/
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/* split_container.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "split_container.h"
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#include "scene/gui/label.h"
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#include "scene/gui/margin_container.h"
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#include "scene/theme/theme_db.h"
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void SplitContainerDragger::gui_input(const Ref<InputEvent> &p_event) {
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ERR_FAIL_COND(p_event.is_null());
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SplitContainer *sc = Object::cast_to<SplitContainer>(get_parent());
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if (sc->collapsed || !sc->_getch(0) || !sc->_getch(1) || sc->dragger_visibility != SplitContainer::DRAGGER_VISIBLE) {
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return;
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}
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Ref<InputEventMouseButton> mb = p_event;
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if (mb.is_valid()) {
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if (mb->get_button_index() == MouseButton::LEFT) {
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if (mb->is_pressed()) {
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sc->_compute_middle_sep(true);
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dragging = true;
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drag_ofs = sc->split_offset;
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if (sc->vertical) {
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drag_from = get_transform().xform(mb->get_position()).y;
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} else {
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drag_from = get_transform().xform(mb->get_position()).x;
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}
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} else {
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dragging = false;
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queue_redraw();
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}
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}
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}
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Ref<InputEventMouseMotion> mm = p_event;
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if (mm.is_valid()) {
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if (!dragging) {
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return;
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}
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Vector2i in_parent_pos = get_transform().xform(mm->get_position());
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if (!sc->vertical && is_layout_rtl()) {
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sc->split_offset = drag_ofs - (in_parent_pos.x - drag_from);
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} else {
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sc->split_offset = drag_ofs + ((sc->vertical ? in_parent_pos.y : in_parent_pos.x) - drag_from);
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}
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sc->_compute_middle_sep(true);
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sc->queue_sort();
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sc->emit_signal(SNAME("dragged"), sc->get_split_offset());
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}
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}
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Control::CursorShape SplitContainerDragger::get_cursor_shape(const Point2 &p_pos) const {
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SplitContainer *sc = Object::cast_to<SplitContainer>(get_parent());
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if (!sc->collapsed && sc->dragger_visibility == SplitContainer::DRAGGER_VISIBLE) {
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return (sc->vertical ? CURSOR_VSPLIT : CURSOR_HSPLIT);
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}
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return Control::get_cursor_shape(p_pos);
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}
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void SplitContainerDragger::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_MOUSE_ENTER: {
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mouse_inside = true;
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SplitContainer *sc = Object::cast_to<SplitContainer>(get_parent());
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if (sc->theme_cache.autohide) {
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queue_redraw();
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}
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} break;
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case NOTIFICATION_MOUSE_EXIT: {
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mouse_inside = false;
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SplitContainer *sc = Object::cast_to<SplitContainer>(get_parent());
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if (sc->theme_cache.autohide) {
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queue_redraw();
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}
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} break;
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case NOTIFICATION_DRAW: {
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SplitContainer *sc = Object::cast_to<SplitContainer>(get_parent());
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if (!dragging && !mouse_inside && sc->theme_cache.autohide) {
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return;
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}
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Ref<Texture2D> tex = sc->_get_grabber_icon();
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draw_texture(tex, (get_size() - tex->get_size()) / 2);
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} break;
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}
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}
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Control *SplitContainer::_getch(int p_idx) const {
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int idx = 0;
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for (int i = 0; i < get_child_count(false); i++) {
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Control *c = Object::cast_to<Control>(get_child(i, false));
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if (!c || !c->is_visible()) {
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continue;
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}
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if (c->is_set_as_top_level()) {
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continue;
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}
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if (idx == p_idx) {
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return c;
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}
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idx++;
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}
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return nullptr;
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}
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Ref<Texture2D> SplitContainer::_get_grabber_icon() const {
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if (is_fixed) {
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return theme_cache.grabber_icon;
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} else {
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if (vertical) {
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return theme_cache.grabber_icon_v;
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} else {
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return theme_cache.grabber_icon_h;
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}
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}
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}
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void SplitContainer::_compute_middle_sep(bool p_clamp) {
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Control *first = _getch(0);
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Control *second = _getch(1);
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// Determine expanded children.
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bool first_expanded = (vertical ? first->get_v_size_flags() : first->get_h_size_flags()) & SIZE_EXPAND;
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bool second_expanded = (vertical ? second->get_v_size_flags() : second->get_h_size_flags()) & SIZE_EXPAND;
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// Compute the minimum size.
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int axis = vertical ? 1 : 0;
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int size = get_size()[axis];
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int ms_first = first->get_combined_minimum_size()[axis];
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int ms_second = second->get_combined_minimum_size()[axis];
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// Determine the separation between items.
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Ref<Texture2D> g = _get_grabber_icon();
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int sep = (dragger_visibility != DRAGGER_HIDDEN_COLLAPSED) ? MAX(theme_cache.separation, vertical ? g->get_height() : g->get_width()) : 0;
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// Compute the wished separation_point.
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int wished_middle_sep = 0;
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int split_offset_with_collapse = 0;
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if (!collapsed) {
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split_offset_with_collapse = split_offset;
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}
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if (first_expanded && second_expanded) {
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float ratio = first->get_stretch_ratio() / (first->get_stretch_ratio() + second->get_stretch_ratio());
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wished_middle_sep = size * ratio - sep / 2 + split_offset_with_collapse;
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} else if (first_expanded) {
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wished_middle_sep = size - sep + split_offset_with_collapse;
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} else {
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wished_middle_sep = split_offset_with_collapse;
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}
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// Clamp the middle sep to acceptatble values.
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middle_sep = CLAMP(wished_middle_sep, ms_first, size - sep - ms_second);
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// Clamp the split_offset if requested.
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if (p_clamp) {
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split_offset -= wished_middle_sep - middle_sep;
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}
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}
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void SplitContainer::_resort() {
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Control *first = _getch(0);
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Control *second = _getch(1);
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// If we have only one element.
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if (!first || !second) {
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if (first) {
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fit_child_in_rect(first, Rect2(Point2(), get_size()));
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} else if (second) {
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fit_child_in_rect(second, Rect2(Point2(), get_size()));
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}
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dragging_area_control->hide();
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return;
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}
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// If we have more that one.
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_compute_middle_sep(false);
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// Determine the separation between items.
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Ref<Texture2D> g = _get_grabber_icon();
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int sep = (dragger_visibility != DRAGGER_HIDDEN_COLLAPSED) ? MAX(theme_cache.separation, vertical ? g->get_height() : g->get_width()) : 0;
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// Move the children, including the dragger.
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if (vertical) {
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fit_child_in_rect(first, Rect2(Point2(0, 0), Size2(get_size().width, middle_sep)));
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int sofs = middle_sep + sep;
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fit_child_in_rect(second, Rect2(Point2(0, sofs), Size2(get_size().width, get_size().height - sofs)));
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} else {
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if (is_layout_rtl()) {
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middle_sep = get_size().width - middle_sep - sep;
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fit_child_in_rect(second, Rect2(Point2(0, 0), Size2(middle_sep, get_size().height)));
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int sofs = middle_sep + sep;
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fit_child_in_rect(first, Rect2(Point2(sofs, 0), Size2(get_size().width - sofs, get_size().height)));
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} else {
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fit_child_in_rect(first, Rect2(Point2(0, 0), Size2(middle_sep, get_size().height)));
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int sofs = middle_sep + sep;
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fit_child_in_rect(second, Rect2(Point2(sofs, 0), Size2(get_size().width - sofs, get_size().height)));
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}
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}
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// Handle the dragger visibility and position.
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if (dragger_visibility == DRAGGER_VISIBLE && !collapsed) {
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dragging_area_control->show();
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int dragger_ctrl_size = MAX(sep, theme_cache.minimum_grab_thickness);
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if (vertical) {
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dragging_area_control->set_rect(Rect2(Point2(0, middle_sep - (dragger_ctrl_size - sep) / 2), Size2(get_size().width, dragger_ctrl_size)));
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} else {
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dragging_area_control->set_rect(Rect2(Point2(middle_sep - (dragger_ctrl_size - sep) / 2, 0), Size2(dragger_ctrl_size, get_size().height)));
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}
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dragging_area_control->queue_redraw();
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} else {
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dragging_area_control->hide();
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}
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}
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Size2 SplitContainer::get_minimum_size() const {
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Size2i minimum;
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Ref<Texture2D> g = _get_grabber_icon();
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int sep = (dragger_visibility != DRAGGER_HIDDEN_COLLAPSED) ? MAX(theme_cache.separation, vertical ? g->get_height() : g->get_width()) : 0;
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for (int i = 0; i < 2; i++) {
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if (!_getch(i)) {
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break;
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}
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if (i == 1) {
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if (vertical) {
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minimum.height += sep;
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} else {
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minimum.width += sep;
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}
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}
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Size2 ms = _getch(i)->get_combined_minimum_size();
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if (vertical) {
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minimum.height += ms.height;
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minimum.width = MAX(minimum.width, ms.width);
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} else {
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minimum.width += ms.width;
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minimum.height = MAX(minimum.height, ms.height);
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}
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}
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return minimum;
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}
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void SplitContainer::_validate_property(PropertyInfo &p_property) const {
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if (is_fixed && p_property.name == "vertical") {
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p_property.usage = PROPERTY_USAGE_NONE;
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}
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}
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void SplitContainer::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_TRANSLATION_CHANGED:
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case NOTIFICATION_LAYOUT_DIRECTION_CHANGED: {
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queue_sort();
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} break;
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case NOTIFICATION_SORT_CHILDREN: {
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_resort();
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} break;
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case NOTIFICATION_THEME_CHANGED: {
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update_minimum_size();
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} break;
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}
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}
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void SplitContainer::set_split_offset(int p_offset) {
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if (split_offset == p_offset) {
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return;
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}
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split_offset = p_offset;
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queue_sort();
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}
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int SplitContainer::get_split_offset() const {
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return split_offset;
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}
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void SplitContainer::clamp_split_offset() {
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if (!_getch(0) || !_getch(1)) {
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return;
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}
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_compute_middle_sep(true);
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queue_sort();
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}
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void SplitContainer::set_collapsed(bool p_collapsed) {
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if (collapsed == p_collapsed) {
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return;
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}
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collapsed = p_collapsed;
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queue_sort();
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}
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void SplitContainer::set_dragger_visibility(DraggerVisibility p_visibility) {
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if (dragger_visibility == p_visibility) {
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return;
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}
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dragger_visibility = p_visibility;
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queue_sort();
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}
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SplitContainer::DraggerVisibility SplitContainer::get_dragger_visibility() const {
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return dragger_visibility;
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}
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bool SplitContainer::is_collapsed() const {
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return collapsed;
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}
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void SplitContainer::set_vertical(bool p_vertical) {
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ERR_FAIL_COND_MSG(is_fixed, "Can't change orientation of " + get_class() + ".");
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vertical = p_vertical;
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update_minimum_size();
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_resort();
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}
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bool SplitContainer::is_vertical() const {
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return vertical;
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}
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Vector<int> SplitContainer::get_allowed_size_flags_horizontal() const {
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Vector<int> flags;
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flags.append(SIZE_FILL);
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if (!vertical) {
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flags.append(SIZE_EXPAND);
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}
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flags.append(SIZE_SHRINK_BEGIN);
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flags.append(SIZE_SHRINK_CENTER);
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flags.append(SIZE_SHRINK_END);
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return flags;
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}
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Vector<int> SplitContainer::get_allowed_size_flags_vertical() const {
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Vector<int> flags;
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flags.append(SIZE_FILL);
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if (vertical) {
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flags.append(SIZE_EXPAND);
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}
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flags.append(SIZE_SHRINK_BEGIN);
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flags.append(SIZE_SHRINK_CENTER);
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flags.append(SIZE_SHRINK_END);
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return flags;
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}
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void SplitContainer::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_split_offset", "offset"), &SplitContainer::set_split_offset);
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ClassDB::bind_method(D_METHOD("get_split_offset"), &SplitContainer::get_split_offset);
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ClassDB::bind_method(D_METHOD("clamp_split_offset"), &SplitContainer::clamp_split_offset);
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ClassDB::bind_method(D_METHOD("set_collapsed", "collapsed"), &SplitContainer::set_collapsed);
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ClassDB::bind_method(D_METHOD("is_collapsed"), &SplitContainer::is_collapsed);
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ClassDB::bind_method(D_METHOD("set_dragger_visibility", "mode"), &SplitContainer::set_dragger_visibility);
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ClassDB::bind_method(D_METHOD("get_dragger_visibility"), &SplitContainer::get_dragger_visibility);
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ClassDB::bind_method(D_METHOD("set_vertical", "vertical"), &SplitContainer::set_vertical);
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ClassDB::bind_method(D_METHOD("is_vertical"), &SplitContainer::is_vertical);
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ADD_SIGNAL(MethodInfo("dragged", PropertyInfo(Variant::INT, "offset")));
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ADD_PROPERTY(PropertyInfo(Variant::INT, "split_offset", PROPERTY_HINT_NONE, "suffix:px"), "set_split_offset", "get_split_offset");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "collapsed"), "set_collapsed", "is_collapsed");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "dragger_visibility", PROPERTY_HINT_ENUM, "Visible,Hidden,Hidden and Collapsed"), "set_dragger_visibility", "get_dragger_visibility");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "vertical"), "set_vertical", "is_vertical");
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BIND_ENUM_CONSTANT(DRAGGER_VISIBLE);
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BIND_ENUM_CONSTANT(DRAGGER_HIDDEN);
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BIND_ENUM_CONSTANT(DRAGGER_HIDDEN_COLLAPSED);
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BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, SplitContainer, separation);
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BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, SplitContainer, minimum_grab_thickness);
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BIND_THEME_ITEM(Theme::DATA_TYPE_CONSTANT, SplitContainer, autohide);
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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_ICON, SplitContainer, grabber_icon, "grabber");
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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_ICON, SplitContainer, grabber_icon_h, "h_grabber");
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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_ICON, SplitContainer, grabber_icon_v, "v_grabber");
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}
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SplitContainer::SplitContainer(bool p_vertical) {
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vertical = p_vertical;
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dragging_area_control = memnew(SplitContainerDragger);
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add_child(dragging_area_control, false, Node::INTERNAL_MODE_BACK);
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}
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