summaryrefslogtreecommitdiff
path: root/scene/gui/tab_container.h
blob: fe96df25e8a69c2bfe015fd09a860b9d09c1f7fd (plain)
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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/*************************************************************************/
/*  tab_container.h                                                      */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 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 TAB_CONTAINER_H
#define TAB_CONTAINER_H

#include "scene/gui/container.h"
#include "scene/gui/popup.h"
#include "scene/resources/text_line.h"

class TabContainer : public Container {
	GDCLASS(TabContainer, Container);

public:
	enum TabAlign {
		ALIGN_LEFT,
		ALIGN_CENTER,
		ALIGN_RIGHT
	};

private:
	int first_tab_cache = 0;
	int tabs_ofs_cache = 0;
	int last_tab_cache = 0;
	int current = 0;
	int previous = 0;
	bool tabs_visible = true;
	bool all_tabs_in_front = false;
	bool buttons_visible_cache = false;
	bool menu_hovered = false;
	int highlight_arrow = -1;
	TabAlign align = ALIGN_CENTER;
	int _get_top_margin() const;
	mutable ObjectID popup_obj_id;
	bool drag_to_rearrange_enabled = false;
	bool use_hidden_tabs_for_min_size = false;
	int tabs_rearrange_group = -1;

	Vector<Ref<TextLine>> text_buf;
	Vector<Control *> _get_tabs() const;
	int _get_tab_width(int p_index) const;
	bool _theme_changing = false;
	void _on_theme_changed();
	void _repaint();
	void _on_mouse_exited();
	void _update_current_tab();
	void _draw_tab(Ref<StyleBox> &p_tab_style, Color &p_font_color, int p_index, float p_x);
	void _refresh_texts();

protected:
	void _child_renamed_callback();
	virtual void gui_input(const Ref<InputEvent> &p_event) override;
	void _notification(int p_what);
	virtual void add_child_notify(Node *p_child) override;
	virtual void move_child_notify(Node *p_child) override;
	virtual void remove_child_notify(Node *p_child) override;

	Variant get_drag_data(const Point2 &p_point) override;
	bool can_drop_data(const Point2 &p_point, const Variant &p_data) const override;
	void drop_data(const Point2 &p_point, const Variant &p_data) override;
	int get_tab_idx_at_point(const Point2 &p_point) const;

	static void _bind_methods();

public:
	void set_tab_align(TabAlign p_align);
	TabAlign get_tab_align() const;

	void set_tabs_visible(bool p_visible);
	bool are_tabs_visible() const;

	void set_all_tabs_in_front(bool p_is_front);
	bool is_all_tabs_in_front() const;

	void set_tab_title(int p_tab, const String &p_title);
	String get_tab_title(int p_tab) const;

	void set_tab_icon(int p_tab, const Ref<Texture2D> &p_icon);
	Ref<Texture2D> get_tab_icon(int p_tab) const;

	void set_tab_disabled(int p_tab, bool p_disabled);
	bool get_tab_disabled(int p_tab) const;

	void set_tab_hidden(int p_tab, bool p_hidden);
	bool get_tab_hidden(int p_tab) const;

	int get_tab_count() const;
	void set_current_tab(int p_current);
	int get_current_tab() const;
	int get_previous_tab() const;

	Control *get_tab_control(int p_idx) const;
	Control *get_current_tab_control() const;

	virtual Size2 get_minimum_size() const override;

	virtual void get_translatable_strings(List<String> *p_strings) const override;

	void set_popup(Node *p_popup);
	Popup *get_popup() const;

	void set_drag_to_rearrange_enabled(bool p_enabled);
	bool get_drag_to_rearrange_enabled() const;
	void set_tabs_rearrange_group(int p_group_id);
	int get_tabs_rearrange_group() const;
	void set_use_hidden_tabs_for_min_size(bool p_use_hidden_tabs);
	bool get_use_hidden_tabs_for_min_size() const;

	TabContainer();
};

VARIANT_ENUM_CAST(TabContainer::TabAlign);

#endif // TAB_CONTAINER_H