1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/*************************************************************************/
/* scroll_container.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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;
Size2 child_max_size;
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;
void _cancel_drag();
protected:
Size2 get_minimum_size() const override;
void _gui_focus_changed(Control *p_control);
void _update_dimensions();
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);
TypedArray<String> get_configuration_warnings() const override;
ScrollContainer();
};
VARIANT_ENUM_CAST(ScrollContainer::ScrollMode);
#endif
|