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
|
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Math.h>
#include <LibGUI/Action.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Frame.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Menubar.h>
#include <LibGUI/Painter.h>
#include <LibGUI/Widget.h>
#include <LibGUI/Window.h>
#include <LibGUI/WindowServerConnection.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Path.h>
#include <unistd.h>
class MainFrame final : public GUI::Frame {
C_OBJECT(MainFrame);
public:
virtual void timer_event(Core::TimerEvent&) override
{
m_show_scroll_wheel = false;
stop_timer();
update();
}
virtual void paint_event(GUI::PaintEvent& event) override
{
GUI::Painter painter(*this);
painter.add_clip_rect(event.rect());
painter.fill_rect(frame_inner_rect(), Color::White);
Gfx::Path path;
// draw mouse outline
path.move_to({ 30, 140 });
path.line_to({ 30, 20 });
path.line_to({ 65, 12 });
path.line_to({ 95, 12 });
path.line_to({ 130, 20 });
path.line_to({ 130, 140 });
path.line_to({ 30, 140 });
// draw button separator
path.move_to({ 30, 65 });
path.line_to({ 130, 65 });
path.move_to({ 65, 65 });
path.line_to({ 65, 13 });
path.move_to({ 95, 65 });
path.line_to({ 95, 13 });
// draw fw and back button outlines
path.move_to({ 30, 43 });
path.line_to({ 25, 43 });
path.line_to({ 25, 60 });
path.line_to({ 30, 60 });
path.move_to({ 30, 70 });
path.line_to({ 25, 70 });
path.line_to({ 25, 87 });
path.line_to({ 30, 87 });
painter.stroke_path(path, Color::Black, 1);
auto primary_secondary_switched = GUI::WindowServerConnection::the().get_buttons_switched();
auto primary_pressed = m_buttons & GUI::MouseButton::Primary;
auto secondary_pressed = m_buttons & GUI::MouseButton::Secondary;
if (primary_secondary_switched ? secondary_pressed : primary_pressed) {
painter.fill_rect({ 31, 21, 34, 44 }, Color::Blue);
painter.draw_triangle({ 30, 21 }, { 65, 21 }, { 65, 12 }, Color::Blue);
}
if (primary_secondary_switched ? primary_pressed : secondary_pressed) {
painter.fill_rect({ 96, 21, 34, 44 }, Color::Blue);
painter.draw_triangle({ 96, 12 }, { 96, 21 }, { 132, 21 }, Color::Blue);
}
if (m_buttons & GUI::MouseButton::Middle)
painter.fill_rect({ 66, 13, 29, 52 }, Color::Blue);
if (m_buttons & GUI::MouseButton::Forward)
painter.fill_rect({ 26, 44, 4, 16 }, Color::Blue);
if (m_buttons & GUI::MouseButton::Backward)
painter.fill_rect({ 26, 71, 4, 16 }, Color::Blue);
if (m_show_scroll_wheel) {
auto radius = 10;
auto off_x = 80;
auto off_y = 38;
Gfx::IntPoint p1;
Gfx::IntPoint p2;
Gfx::IntPoint p3;
Gfx::IntPoint p4;
p1.set_x(radius * AK::cos(AK::Pi<double> * m_wheel_delta_acc / 18.) + off_x);
p1.set_y(radius * AK::sin(AK::Pi<double> * m_wheel_delta_acc / 18.) + off_y);
p2.set_x(radius * AK::cos(AK::Pi<double> * (m_wheel_delta_acc + 18) / 18.) + off_x);
p2.set_y(radius * AK::sin(AK::Pi<double> * (m_wheel_delta_acc + 18) / 18.) + off_y);
p3.set_x(radius * AK::cos(AK::Pi<double> * (m_wheel_delta_acc + 9) / 18.) + off_x);
p3.set_y(radius * AK::sin(AK::Pi<double> * (m_wheel_delta_acc + 9) / 18.) + off_y);
p4.set_x(radius * AK::cos(AK::Pi<double> * (m_wheel_delta_acc + 27) / 18.) + off_x);
p4.set_y(radius * AK::sin(AK::Pi<double> * (m_wheel_delta_acc + 27) / 18.) + off_y);
painter.draw_line(p1, p2, Color::Red, 2);
painter.draw_line(p3, p4, Color::Red, 2);
}
}
void mousedown_event(GUI::MouseEvent& event) override
{
m_buttons = event.buttons();
update();
}
void mouseup_event(GUI::MouseEvent& event) override
{
m_buttons = event.buttons();
update();
}
void mousewheel_event(GUI::MouseEvent& event) override
{
m_wheel_delta_acc = (m_wheel_delta_acc + event.wheel_delta() + 36) % 36;
m_show_scroll_wheel = true;
update();
if (!has_timer())
start_timer(500);
}
private:
unsigned m_buttons;
unsigned m_wheel_delta_acc;
bool m_show_scroll_wheel;
MainFrame()
: m_buttons { 0 }
, m_wheel_delta_acc { 0 }
, m_show_scroll_wheel { false }
{
}
};
int main(int argc, char** argv)
{
auto app = GUI::Application::construct(argc, argv);
auto app_icon = GUI::Icon::default_icon("app-mouse");
if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil("/res", "r") < 0) {
perror("unveil");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
auto window = GUI::Window::construct();
window->set_title("Mouse demo");
window->set_icon(app_icon.bitmap_for_size(16));
window->resize(160, 155);
auto& main_widget = window->set_main_widget<MainFrame>();
main_widget.set_fill_with_background_color(true);
auto& file_menu = window->add_menu("&File");
file_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));
auto& help_menu = window->add_menu("&Help");
help_menu.add_action(GUI::CommonActions::make_about_action("Mouse Demo", app_icon, window));
window->set_resizable(false);
window->show();
return app->exec();
}
|
