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
|
#include <AK/StringBuilder.h>
#include <Kernel/KeyCode.h>
#include <LibGUI/GAction.h>
#include <LibGUI/GActionGroup.h>
#include <LibGUI/GButton.h>
#include <LibGUI/GPainter.h>
#include <LibDraw/StylePainter.h>
GButton::GButton(GWidget* parent)
: GAbstractButton(parent)
{
}
GButton::GButton(const StringView& text, GWidget* parent)
: GAbstractButton(text, parent)
{
}
GButton::~GButton()
{
if (m_action)
m_action->unregister_button({}, *this);
}
void GButton::paint_event(GPaintEvent& event)
{
GPainter painter(*this);
painter.add_clip_rect(event.rect());
StylePainter::paint_button(painter, rect(), m_button_style, is_being_pressed(), is_hovered(), is_checked(), is_enabled());
if (text().is_empty() && !m_icon)
return;
auto content_rect = rect().shrunken(10, 2);
auto icon_location = m_icon ? content_rect.center().translated(-(m_icon->width() / 2), -(m_icon->height() / 2)) : Point();
if (m_icon && !text().is_empty())
icon_location.set_x(content_rect.x());
if (is_being_pressed())
painter.translate(1, 1);
if (m_icon) {
if (is_enabled())
painter.blit(icon_location, *m_icon, m_icon->rect());
else
painter.blit_dimmed(icon_location, *m_icon, m_icon->rect());
}
auto& font = is_checked() ? Font::default_bold_font() : this->font();
if (m_icon && !text().is_empty()) {
content_rect.move_by(m_icon->width() + 4, 0);
content_rect.set_width(content_rect.width() - m_icon->width() - 4);
}
Rect text_rect { 0, 0, font.width(text()), font.glyph_height() };
if (text_rect.width() > content_rect.width())
text_rect.set_width(content_rect.width());
text_rect.align_within(content_rect, text_alignment());
paint_text(painter, text_rect, font, TextAlignment::Center);
}
void GButton::click()
{
if (!is_enabled())
return;
if (is_checkable()) {
if (is_checked() && !is_uncheckable())
return;
set_checked(!is_checked());
}
if (on_click)
on_click(*this);
if (m_action)
m_action->activate();
}
bool GButton::supports_keyboard_activation() const
{
return is_enabled();
}
void GButton::set_action(GAction& action)
{
m_action = action.make_weak_ptr();
action.register_button({}, *this);
set_enabled(action.is_enabled());
set_checkable(action.is_checkable());
if (action.is_checkable())
set_checked(action.is_checked());
}
void GButton::set_icon(RefPtr<GraphicsBitmap>&& icon)
{
if (m_icon == icon)
return;
m_icon = move(icon);
update();
}
bool GButton::is_uncheckable() const
{
if (!m_action)
return true;
if (!m_action->group())
return true;
return m_action->group()->is_unchecking_allowed();
}
|
