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
|
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/Event.h>
#include <LibGfx/Font.h>
#include <LibGfx/Painter.h>
#include <LibGfx/StylePainter.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/Layout/CheckBox.h>
#include <LibWeb/Layout/Label.h>
namespace Web::Layout {
CheckBox::CheckBox(DOM::Document& document, HTML::HTMLInputElement& element, NonnullRefPtr<CSS::StyleProperties> style)
: LabelableNode(document, element, move(style))
{
set_intrinsic_width(13);
set_intrinsic_height(13);
}
CheckBox::~CheckBox()
{
}
void CheckBox::paint(PaintContext& context, PaintPhase phase)
{
if (!is_visible())
return;
LabelableNode::paint(context, phase);
if (phase == PaintPhase::Foreground) {
Gfx::StylePainter::paint_check_box(context.painter(), enclosing_int_rect(absolute_rect()), context.palette(), dom_node().enabled(), dom_node().checked(), m_being_pressed);
}
}
void CheckBox::handle_mousedown(Badge<EventHandler>, const Gfx::IntPoint&, unsigned button, unsigned)
{
if (button != GUI::MouseButton::Primary || !dom_node().enabled())
return;
m_being_pressed = true;
set_needs_display();
m_tracking_mouse = true;
browsing_context().event_handler().set_mouse_event_tracking_layout_node(this);
}
void CheckBox::handle_mouseup(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned button, unsigned)
{
if (!m_tracking_mouse || button != GUI::MouseButton::Primary || !dom_node().enabled())
return;
// NOTE: Changing the checked state of the DOM node may run arbitrary JS, which could disappear this node.
NonnullRefPtr protect = *this;
bool is_inside_node_or_label = enclosing_int_rect(absolute_rect()).contains(position);
if (!is_inside_node_or_label)
is_inside_node_or_label = Label::is_inside_associated_label(*this, position);
if (is_inside_node_or_label)
dom_node().set_checked(!dom_node().checked());
m_being_pressed = false;
m_tracking_mouse = false;
browsing_context().event_handler().set_mouse_event_tracking_layout_node(nullptr);
}
void CheckBox::handle_mousemove(Badge<EventHandler>, const Gfx::IntPoint& position, unsigned, unsigned)
{
if (!m_tracking_mouse || !dom_node().enabled())
return;
bool is_inside_node_or_label = enclosing_int_rect(absolute_rect()).contains(position);
if (!is_inside_node_or_label)
is_inside_node_or_label = Label::is_inside_associated_label(*this, position);
if (m_being_pressed == is_inside_node_or_label)
return;
m_being_pressed = is_inside_node_or_label;
set_needs_display();
}
void CheckBox::handle_associated_label_mousedown(Badge<Label>)
{
m_being_pressed = true;
set_needs_display();
}
void CheckBox::handle_associated_label_mouseup(Badge<Label>)
{
// NOTE: Changing the checked state of the DOM node may run arbitrary JS, which could disappear this node.
NonnullRefPtr protect = *this;
dom_node().set_checked(!dom_node().checked());
m_being_pressed = false;
}
void CheckBox::handle_associated_label_mousemove(Badge<Label>, bool is_inside_node_or_label)
{
if (m_being_pressed == is_inside_node_or_label)
return;
m_being_pressed = is_inside_node_or_label;
set_needs_display();
}
}
|