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
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
* Copyright (c) 2022, Timothy Slater <tslater2006@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGUI/Button.h>
#include <LibGUI/SpinBox.h>
#include <LibGUI/TextBox.h>
REGISTER_WIDGET(GUI, SpinBox)
namespace GUI {
SpinBox::SpinBox()
{
set_min_size({ 40, 22 });
set_preferred_size({ SpecialDimension::OpportunisticGrow, 22 });
m_editor = add<TextBox>();
m_editor->set_text("0"sv);
m_editor->on_change = [this, weak_this = make_weak_ptr()] {
if (!weak_this)
return;
auto value = m_editor->text().to_uint();
if (!value.has_value() && m_editor->text().length() > 0)
m_editor->do_delete();
};
m_editor->on_focusout = [this] {
auto value = m_editor->text().to_int();
if (value.has_value())
set_value(value.value());
else
set_value(min());
};
m_editor->on_up_pressed = [this] {
set_value(m_value + 1);
};
m_editor->on_down_pressed = [this] {
set_value(m_value - 1);
};
m_editor->on_return_pressed = [this] {
if (on_return_pressed)
on_return_pressed();
};
m_increment_button = add<Button>();
m_increment_button->set_button_style(Gfx::ButtonStyle::ThickCap);
m_increment_button->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/upward-triangle.png"sv).release_value_but_fixme_should_propagate_errors());
m_increment_button->set_focus_policy(GUI::FocusPolicy::NoFocus);
m_increment_button->on_click = [this](auto) { set_value(m_value + 1); };
m_increment_button->set_auto_repeat_interval(150);
m_decrement_button = add<Button>();
m_decrement_button->set_button_style(Gfx::ButtonStyle::ThickCap);
m_decrement_button->set_icon(Gfx::Bitmap::load_from_file("/res/icons/16x16/downward-triangle.png"sv).release_value_but_fixme_should_propagate_errors());
m_decrement_button->set_focus_policy(GUI::FocusPolicy::NoFocus);
m_decrement_button->on_click = [this](auto) { set_value(m_value - 1); };
m_decrement_button->set_auto_repeat_interval(150);
REGISTER_INT_PROPERTY("min", min, set_min);
REGISTER_INT_PROPERTY("max", max, set_max);
}
void SpinBox::set_value(int value, AllowCallback allow_callback)
{
value = clamp(value, m_min, m_max);
if (m_value == value)
return;
m_value = value;
m_increment_button->set_enabled(m_value < m_max);
m_decrement_button->set_enabled(m_value > m_min);
m_editor->set_text(DeprecatedString::number(value));
update();
if (on_change && allow_callback == AllowCallback::Yes)
on_change(value);
}
void SpinBox::set_range(int min, int max, AllowCallback allow_callback)
{
VERIFY(min <= max);
if (m_min == min && m_max == max)
return;
m_min = min;
m_max = max;
int old_value = m_value;
m_value = clamp(m_value, m_min, m_max);
if (m_value != old_value) {
m_editor->set_text(DeprecatedString::number(m_value));
if (on_change && allow_callback == AllowCallback::Yes)
on_change(m_value);
}
m_increment_button->set_enabled(m_value < m_max);
m_decrement_button->set_enabled(m_value > m_min);
update();
}
void SpinBox::mousewheel_event(MouseEvent& event)
{
auto wheel_delta = event.wheel_delta_y() / abs(event.wheel_delta_y());
if (event.modifiers() == KeyModifier::Mod_Ctrl)
wheel_delta *= 6;
set_value(m_value - wheel_delta);
event.accept();
}
void SpinBox::resize_event(ResizeEvent& event)
{
int frame_thickness = m_editor->frame_thickness();
int button_height = (event.size().height() / 2) - frame_thickness;
int button_width = 15;
m_increment_button->set_relative_rect(width() - button_width - frame_thickness, frame_thickness, button_width, button_height);
m_decrement_button->set_relative_rect(width() - button_width - frame_thickness, frame_thickness + button_height, button_width, button_height);
m_editor->set_relative_rect(0, 0, width(), height());
}
}
|
