comparison src/client.rs @ 17:0bce7fe96937

Add a client, copy of the GTK interface.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 26 Aug 2021 22:00:55 +0200
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16:478cf2a7d577 17:0bce7fe96937
1 // Tablet emulator, for people who don’t own one
2 // Copyright © 2020 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
3 //
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU Affero General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
8 //
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU Affero General Public License for more details.
13 //
14 // You should have received a copy of the GNU Affero General Public License
15 // along with this program. If not, see <https://www.gnu.org/licenses/>.
16
17 use crate::{state::FakeState, DEFAULT_HEIGHT, DEFAULT_WIDTH};
18 use gio::prelude::*;
19 use glib::clone;
20 use gtk::prelude::*;
21 use input_linux::Key;
22 use std::sync::{Arc, Mutex};
23 use std::net::UdpSocket;
24 use crate::Event;
25 use crate::server::Buttons;
26
27 fn build_main_menu(app: &gtk::Application) {
28 let quit = gio::SimpleAction::new("quit", None);
29 app.set_accels_for_action("app.quit", &["<Control>q"]);
30 app.add_action(&quit);
31 quit.connect_activate(clone!(@weak app => move |_, _| app.quit()));
32
33 let about = gio::SimpleAction::new("about", None);
34 app.add_action(&about);
35 about.connect_activate(|_, _| {
36 let about = gtk::AboutDialog::builder()
37 .program_name("TabletEmu")
38 .logo_icon_name("input-tablet")
39 .website("https://hg.linkmauve.fr/tablet-emu")
40 .version("0.1")
41 .license_type(gtk::License::Agpl30)
42 .copyright("© 2020 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>")
43 .build();
44 //about.run();
45 about.destroy();
46 });
47
48 let menu = gio::Menu::new();
49 {
50 let file = gio::Menu::new();
51 file.append(Some("_Quit"), Some("app.quit"));
52 menu.append_submenu(Some("_File"), &file);
53 }
54 {
55 let help = gio::Menu::new();
56 help.append(Some("_About"), Some("app.about"));
57 menu.append_submenu(Some("_Help"), &help);
58 }
59 app.set_menubar(Some(&menu));
60 }
61
62 fn build_ui(app: &gtk::Application) {
63 build_main_menu(app);
64
65 let address = "127.0.0.1:16150";
66 let socket = Arc::new(Mutex::new(UdpSocket::bind("127.0.0.1:4321").unwrap()));
67 println!("opened {:?}", socket);
68
69 let send = move |event: &Event| {
70 // TODO: Yolo-alignment.
71 let buf: &[u8; std::mem::size_of::<Event>()] = unsafe { std::mem::transmute(event) };
72 let socket = socket.lock().unwrap();
73 let amount = socket.send_to(buf, address).unwrap();
74 assert_eq!(amount, std::mem::size_of::<Event>());
75 };
76 let send2 = send.clone();
77 let send3 = send.clone();
78 let send4 = send.clone();
79
80 let state = Arc::new(Mutex::new(FakeState::new()));
81
82 let hbox = gtk::Box::builder()
83 .orientation(gtk::Orientation::Horizontal)
84 .build();
85 let tools_box = gtk::Box::builder()
86 .orientation(gtk::Orientation::Vertical)
87 .build();
88
89 macro_rules! impl_tool {
90 ($tool:tt) => {
91 let tool = gtk::Button::with_mnemonic($tool);
92 let state_weak = Arc::downgrade(&state);
93 let send = send.clone();
94 tool.connect_clicked(move |b| {
95 let state = state_weak.upgrade().unwrap();
96 let mut state = state.lock().unwrap();
97 let tool = match b.label().unwrap().as_str() {
98 "_Pen" => Key::ButtonToolPen,
99 "_Rubber" => Key::ButtonToolRubber,
100 "_Brush" => Key::ButtonToolBrush,
101 "P_encil" => Key::ButtonToolPencil,
102 "_Airbrush" => Key::ButtonToolAirbrush,
103 _ => unreachable!(),
104 };
105 state.select_tool(tool);
106
107 let mut event: Event = Default::default();
108 event.buttons = match tool {
109 Key::ButtonToolPen => Buttons::A,
110 Key::ButtonToolRubber => Buttons::B,
111 Key::ButtonToolBrush => Buttons::X,
112 Key::ButtonToolPencil => Buttons::Y,
113 Key::ButtonToolAirbrush => Buttons::SELECT,
114 _ => unreachable!(),
115 };
116 send(&event);
117 });
118 tools_box.append(&tool);
119 };
120 }
121 impl_tool!("_Pen");
122 impl_tool!("_Rubber");
123 impl_tool!("_Brush");
124 impl_tool!("P_encil");
125 impl_tool!("_Airbrush");
126
127 let drawing_area = gtk::DrawingArea::builder()
128 .content_width(DEFAULT_WIDTH)
129 .content_height(DEFAULT_HEIGHT)
130 .hexpand(true)
131 .build();
132 let gesture_click = gtk::GestureClick::new();
133 let event_controller = gtk::EventControllerMotion::new();
134 let state_weak = Arc::downgrade(&state);
135 drawing_area.connect_resize(move |_, width, height| {
136 let state = state_weak.upgrade().unwrap();
137 let mut state = state.lock().unwrap();
138 state.set_size(width, height);
139
140 let mut event: Event = Default::default();
141 event.buttons = Buttons::RESIZE;
142 event.touch = (width as u16, height as u16);
143 send(&event);
144 });
145 let state_weak = Arc::downgrade(&state);
146 gesture_click.connect_pressed(move |_, n_press, x, y| {
147 if n_press != 1 {
148 return;
149 }
150
151 let state = state_weak.upgrade().unwrap();
152 let mut state = state.lock().unwrap();
153 state.press(x, y).unwrap();
154
155 let mut event: Event = Default::default();
156 event.buttons = Buttons::TOUCH;
157 event.touch = (x as u16, y as u16);
158 send2(&event);
159 });
160 let state_weak = Arc::downgrade(&state);
161 gesture_click.connect_released(move |_, n_press, x, y| {
162 if n_press != 1 {
163 return;
164 }
165
166 let state = state_weak.upgrade().unwrap();
167 let mut state = state.lock().unwrap();
168 state.release(x, y).unwrap();
169
170 let mut event: Event = Default::default();
171 event.touch = (x as u16, y as u16);
172 send3(&event);
173 });
174 event_controller.connect_motion(move |_, x, y| {
175 let mut state = state.lock().unwrap();
176 state.motion(x, y).unwrap();
177
178 if state.is_pressed() {
179 let mut event: Event = Default::default();
180 event.buttons = Buttons::TOUCH;
181 event.touch = (x as u16, y as u16);
182 send4(&event);
183 }
184 });
185 drawing_area.add_controller(&gesture_click);
186 drawing_area.add_controller(&event_controller);
187 drawing_area.set_draw_func(move |_, ctx, _, _| {
188 ctx.set_source_rgb(1., 0., 0.);
189 ctx.set_operator(cairo::Operator::Screen);
190 ctx.paint().unwrap();
191 });
192
193 hbox.append(&tools_box);
194 hbox.append(&drawing_area);
195
196 let window = gtk::ApplicationWindow::builder()
197 .application(app)
198 .title("tablet-emu")
199 .default_width(800)
200 .default_height(480)
201 .child(&hbox)
202 .build();
203
204 window.show();
205 }
206
207 pub fn main(_args: &[String]) {
208 let app = gtk::Application::builder()
209 .application_id("fr.linkmauve.TabletEmu")
210 .build();
211 app.connect_activate(build_ui);
212 app.run();
213 }