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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/*************************************************************************/
/* tab_bar.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 TAB_BAR_H
#define TAB_BAR_H
#include "scene/gui/control.h"
#include "scene/resources/text_line.h"
class TabBar : public Control {
GDCLASS(TabBar, Control);
public:
enum AlignmentMode {
ALIGNMENT_LEFT,
ALIGNMENT_CENTER,
ALIGNMENT_RIGHT,
ALIGNMENT_MAX,
};
enum CloseButtonDisplayPolicy {
CLOSE_BUTTON_SHOW_NEVER,
CLOSE_BUTTON_SHOW_ACTIVE_ONLY,
CLOSE_BUTTON_SHOW_ALWAYS,
CLOSE_BUTTON_MAX
};
private:
struct Tab {
String text;
String xl_text;
Dictionary opentype_features;
String language;
Control::TextDirection text_direction = Control::TEXT_DIRECTION_INHERITED;
Ref<TextLine> text_buf;
Ref<Texture2D> icon;
bool disabled = false;
bool hidden = false;
int ofs_cache = 0;
int size_cache = 0;
int size_text = 0;
Ref<Texture2D> right_button;
Rect2 rb_rect;
Rect2 cb_rect;
Tab() {
text_buf.instantiate();
}
};
int offset = 0;
int max_drawn_tab = 0;
int highlight_arrow = -1;
bool buttons_visible = false;
bool missing_right = false;
Vector<Tab> tabs;
int current = 0;
int previous = 0;
AlignmentMode tab_alignment = ALIGNMENT_CENTER;
bool clip_tabs = true;
int rb_hover = -1;
bool rb_pressing = false;
bool select_with_rmb = false;
int cb_hover = -1;
bool cb_pressing = false;
CloseButtonDisplayPolicy cb_displaypolicy = CLOSE_BUTTON_SHOW_NEVER;
int hover = -1; // Hovered tab.
int max_width = 0;
bool scrolling_enabled = true;
bool drag_to_rearrange_enabled = false;
bool scroll_to_selected = true;
int tabs_rearrange_group = -1;
int get_tab_width(int p_idx) const;
void _ensure_no_over_offset();
void _update_hover();
void _update_cache();
void _on_mouse_exited();
void _shape(int p_tab);
void _draw_tab(Ref<StyleBox> &p_tab_style, Color &p_font_color, int p_index, float p_x);
protected:
virtual void gui_input(const Ref<InputEvent> &p_event) override;
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
void _notification(int p_what);
static void _bind_methods();
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;
public:
void add_tab(const String &p_str = "", const Ref<Texture2D> &p_icon = Ref<Texture2D>());
void set_tab_title(int p_tab, const String &p_title);
String get_tab_title(int p_tab) const;
void set_tab_text_direction(int p_tab, TextDirection p_text_direction);
TextDirection get_tab_text_direction(int p_tab) const;
void set_tab_opentype_feature(int p_tab, const String &p_name, int p_value);
int get_tab_opentype_feature(int p_tab, const String &p_name) const;
void clear_tab_opentype_features(int p_tab);
void set_tab_language(int p_tab, const String &p_language);
String get_tab_language(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 is_tab_disabled(int p_tab) const;
void set_tab_hidden(int p_tab, bool p_hidden);
bool is_tab_hidden(int p_tab) const;
void set_tab_button_icon(int p_tab, const Ref<Texture2D> &p_icon);
Ref<Texture2D> get_tab_button_icon(int p_tab) const;
int get_tab_idx_at_point(const Point2 &p_point) const;
void set_tab_alignment(AlignmentMode p_alignment);
AlignmentMode get_tab_alignment() const;
void set_clip_tabs(bool p_clip_tabs);
bool get_clip_tabs() const;
void move_tab(int p_from, int p_to);
void set_tab_close_display_policy(CloseButtonDisplayPolicy p_policy);
CloseButtonDisplayPolicy get_tab_close_display_policy() const;
void set_tab_count(int p_count);
int get_tab_count() const;
void set_current_tab(int p_current);
int get_current_tab() const;
int get_previous_tab() const;
int get_hovered_tab() const;
int get_tab_offset() const;
bool get_offset_buttons_visible() const;
void remove_tab(int p_idx);
void clear_tabs();
void set_scrolling_enabled(bool p_enabled);
bool get_scrolling_enabled() 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_scroll_to_selected(bool p_enabled);
bool get_scroll_to_selected() const;
void set_select_with_rmb(bool p_enabled);
bool get_select_with_rmb() const;
void ensure_tab_visible(int p_idx);
void set_max_tab_width(int p_width);
int get_max_tab_width() const;
Rect2 get_tab_rect(int p_tab) const;
Size2 get_minimum_size() const override;
TabBar();
};
VARIANT_ENUM_CAST(TabBar::AlignmentMode);
VARIANT_ENUM_CAST(TabBar::CloseButtonDisplayPolicy);
#endif // TAB_BAR_H
|