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
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
namespace GUI {
class Margins {
public:
Margins() { }
Margins(int left, int top, int right, int bottom)
: m_left(left)
, m_top(top)
, m_right(right)
, m_bottom(bottom)
{
}
~Margins() { }
bool is_null() const { return !m_left && !m_top && !m_right && !m_bottom; }
int left() const { return m_left; }
int top() const { return m_top; }
int right() const { return m_right; }
int bottom() const { return m_bottom; }
void set_left(int value) { m_left = value; }
void set_top(int value) { m_top = value; }
void set_right(int value) { m_right = value; }
void set_bottom(int value) { m_bottom = value; }
bool operator==(const Margins& other) const
{
return m_left == other.m_left
&& m_top == other.m_top
&& m_right == other.m_right
&& m_bottom == other.m_bottom;
}
private:
int m_left { 0 };
int m_top { 0 };
int m_right { 0 };
int m_bottom { 0 };
};
}
#define REGISTER_MARGINS_PROPERTY(property_name, getter, setter) \
register_property( \
property_name, [this]() { \
auto m = getter(); \
JsonObject margins_object; \
margins_object.set("left", m.left()); \
margins_object.set("right", m.right()); \
margins_object.set("top", m.top()); \
margins_object.set("bottom", m.bottom()); \
return margins_object; }, \
[this](auto& value) { \
if (!value.is_array() || value.as_array().size() != 4) \
return false; \
int m[4]; \
for (size_t i = 0; i < 4; ++i) \
m[i] = value.as_array().at(i).to_i32(); \
setter({ m[0], m[1], m[2], m[3] }); \
return true; \
});
|
