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/**************************************************************************/
/* scroll_container.h */
/**************************************************************************/
/* 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. */
/**************************************************************************/
#ifndef SCROLL_CONTAINER_H
#define SCROLL_CONTAINER_H
#include "container.h"
#include "scroll_bar.h"
class ScrollContainer : public Container {
GDCLASS(ScrollContainer, Container);
public:
enum ScrollMode {
SCROLL_MODE_DISABLED = 0,
SCROLL_MODE_AUTO,
SCROLL_MODE_SHOW_ALWAYS,
SCROLL_MODE_SHOW_NEVER,
};
private:
HScrollBar *h_scroll = nullptr;
VScrollBar *v_scroll = nullptr;
mutable Size2 largest_child_min_size; // The largest one among the min sizes of all available child controls.
void update_scrollbars();
Vector2 drag_speed;
Vector2 drag_accum;
Vector2 drag_from;
Vector2 last_drag_accum;
float time_since_motion = 0.0f;
bool drag_touching = false;
bool drag_touching_deaccel = false;
bool beyond_deadzone = false;
ScrollMode horizontal_scroll_mode = SCROLL_MODE_AUTO;
ScrollMode vertical_scroll_mode = SCROLL_MODE_AUTO;
int deadzone = 0;
bool follow_focus = false;
struct ThemeCache {
Ref<StyleBox> panel_style;
} theme_cache;
void _cancel_drag();
protected:
virtual void _update_theme_item_cache() override;
Size2 get_minimum_size() const override;
void _gui_focus_changed(Control *p_control);
void _reposition_children();
void _notification(int p_what);
void _scroll_moved(float);
static void _bind_methods();
bool _updating_scrollbars = false;
void _update_scrollbar_position();
public:
virtual void gui_input(const Ref<InputEvent> &p_gui_input) override;
void set_h_scroll(int p_pos);
int get_h_scroll() const;
void set_v_scroll(int p_pos);
int get_v_scroll() const;
void set_horizontal_scroll_mode(ScrollMode p_mode);
ScrollMode get_horizontal_scroll_mode() const;
void set_vertical_scroll_mode(ScrollMode p_mode);
ScrollMode get_vertical_scroll_mode() const;
int get_deadzone() const;
void set_deadzone(int p_deadzone);
bool is_following_focus() const;
void set_follow_focus(bool p_follow);
HScrollBar *get_h_scroll_bar();
VScrollBar *get_v_scroll_bar();
void ensure_control_visible(Control *p_control);
PackedStringArray get_configuration_warnings() const override;
ScrollContainer();
};
VARIANT_ENUM_CAST(ScrollContainer::ScrollMode);
#endif // SCROLL_CONTAINER_H
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