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d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
124 lines
4.3 KiB
C++
124 lines
4.3 KiB
C++
/**************************************************************************/
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/* scroll_container.h */
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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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#ifndef SCROLL_CONTAINER_H
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#define SCROLL_CONTAINER_H
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#include "container.h"
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#include "scroll_bar.h"
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class ScrollContainer : public Container {
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GDCLASS(ScrollContainer, Container);
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public:
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enum ScrollMode {
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SCROLL_MODE_DISABLED = 0,
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SCROLL_MODE_AUTO,
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SCROLL_MODE_SHOW_ALWAYS,
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SCROLL_MODE_SHOW_NEVER,
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};
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private:
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HScrollBar *h_scroll = nullptr;
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VScrollBar *v_scroll = nullptr;
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mutable Size2 largest_child_min_size; // The largest one among the min sizes of all available child controls.
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void update_scrollbars();
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Vector2 drag_speed;
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Vector2 drag_accum;
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Vector2 drag_from;
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Vector2 last_drag_accum;
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float time_since_motion = 0.0f;
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bool drag_touching = false;
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bool drag_touching_deaccel = false;
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bool beyond_deadzone = false;
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ScrollMode horizontal_scroll_mode = SCROLL_MODE_AUTO;
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ScrollMode vertical_scroll_mode = SCROLL_MODE_AUTO;
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int deadzone = 0;
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bool follow_focus = false;
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struct ThemeCache {
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Ref<StyleBox> panel_style;
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} theme_cache;
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void _cancel_drag();
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protected:
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virtual void _update_theme_item_cache() override;
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Size2 get_minimum_size() const override;
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void _gui_focus_changed(Control *p_control);
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void _reposition_children();
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void _notification(int p_what);
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void _scroll_moved(float);
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static void _bind_methods();
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bool _updating_scrollbars = false;
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void _update_scrollbar_position();
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public:
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virtual void gui_input(const Ref<InputEvent> &p_gui_input) override;
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void set_h_scroll(int p_pos);
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int get_h_scroll() const;
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void set_v_scroll(int p_pos);
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int get_v_scroll() const;
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void set_horizontal_scroll_mode(ScrollMode p_mode);
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ScrollMode get_horizontal_scroll_mode() const;
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void set_vertical_scroll_mode(ScrollMode p_mode);
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ScrollMode get_vertical_scroll_mode() const;
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int get_deadzone() const;
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void set_deadzone(int p_deadzone);
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bool is_following_focus() const;
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void set_follow_focus(bool p_follow);
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HScrollBar *get_h_scroll_bar();
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VScrollBar *get_v_scroll_bar();
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void ensure_control_visible(Control *p_control);
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PackedStringArray get_configuration_warnings() const override;
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ScrollContainer();
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};
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VARIANT_ENUM_CAST(ScrollContainer::ScrollMode);
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#endif // SCROLL_CONTAINER_H
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