Mercurial > tablet-emu

comparison src/bin/standalone.rs @ 18:3f7b7a3ad8fe

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Build three binaries instead of using arguments.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 26 Aug 2021 22:15:55 +0200
parents src/gtk.rs@478cf2a7d577
children
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17:0bce7fe96937 18:3f7b7a3ad8fe
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 gio::prelude::*;
18 use glib::clone;
19 use gtk::prelude::*;
20 use input_linux::Key;
21 use std::io::ErrorKind;
22 use std::sync::{Arc, Mutex};
23 use tablet_emu::{state::State, DEFAULT_HEIGHT, DEFAULT_WIDTH};
24
25 fn build_main_menu(app: &gtk::Application) {
26 let quit = gio::SimpleAction::new("quit", None);
27 app.set_accels_for_action("app.quit", &["<Control>q"]);
28 app.add_action(&quit);
29 quit.connect_activate(clone!(@weak app => move |_, _| app.quit()));
30
31 let about = gio::SimpleAction::new("about", None);
32 app.add_action(&about);
33 about.connect_activate(|_, _| {
34 let about = gtk::AboutDialog::builder()
35 .program_name("TabletEmu")
36 .logo_icon_name("input-tablet")
37 .website("https://hg.linkmauve.fr/tablet-emu")
38 .version("0.1")
39 .license_type(gtk::License::Agpl30)
40 .copyright("© 2020 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>")
41 .build();
42 //about.run();
43 about.destroy();
44 });
45
46 let menu = gio::Menu::new();
47 {
48 let file = gio::Menu::new();
49 file.append(Some("_Quit"), Some("app.quit"));
50 menu.append_submenu(Some("_File"), &file);
51 }
52 {
53 let help = gio::Menu::new();
54 help.append(Some("_About"), Some("app.about"));
55 menu.append_submenu(Some("_Help"), &help);
56 }
57 app.set_menubar(Some(&menu));
58 }
59
60 fn build_ui(app: &gtk::Application) {
61 build_main_menu(app);
62
63 let state = match State::new() {
64 Ok(state) => Arc::new(Mutex::new(state)),
65 Err(err) => {
66 match err.kind() {
67 ErrorKind::NotFound => {
68 eprintln!("Couldn’t find /dev/uinput: {}", err);
69 eprintln!("Maybe you forgot to `modprobe uinput`?");
70 }
71 ErrorKind::PermissionDenied => {
72 eprintln!("Couldn’t open /dev/uinput for writing: {}", err);
73 eprintln!("Maybe you aren’t allowed to create input devices?");
74 }
75 _ => eprintln!("Couldn’t open /dev/uinput for writing: {}", err),
76 }
77 std::process::exit(1);
78 }
79 };
80
81 let hbox = gtk::Box::builder()
82 .orientation(gtk::Orientation::Horizontal)
83 .build();
84 let tools_box = gtk::Box::builder()
85 .orientation(gtk::Orientation::Vertical)
86 .build();
87
88 macro_rules! impl_tool {
89 ($tool:tt) => {
90 let tool = gtk::Button::with_mnemonic($tool);
91 let state_weak = Arc::downgrade(&state);
92 tool.connect_clicked(move |b| {
93 let state = state_weak.upgrade().unwrap();
94 let mut state = state.lock().unwrap();
95 let tool = match b.label().unwrap().as_str() {
96 "_Pen" => Key::ButtonToolPen,
97 "_Rubber" => Key::ButtonToolRubber,
98 "_Brush" => Key::ButtonToolBrush,
99 "P_encil" => Key::ButtonToolPencil,
100 "_Airbrush" => Key::ButtonToolAirbrush,
101 _ => unreachable!(),
102 };
103 state.select_tool(tool);
104 });
105 tools_box.append(&tool);
106 };
107 }
108 impl_tool!("_Pen");
109 impl_tool!("_Rubber");
110 impl_tool!("_Brush");
111 impl_tool!("P_encil");
112 impl_tool!("_Airbrush");
113
114 let drawing_area = gtk::DrawingArea::builder()
115 .content_width(DEFAULT_WIDTH)
116 .content_height(DEFAULT_HEIGHT)
117 .hexpand(true)
118 .build();
119 let gesture_click = gtk::GestureClick::new();
120 let event_controller = gtk::EventControllerMotion::new();
121 let state_weak = Arc::downgrade(&state);
122 drawing_area.connect_resize(move |_, width, height| {
123 let state = state_weak.upgrade().unwrap();
124 let mut state = state.lock().unwrap();
125 state.set_size(width, height);
126 });
127 let state_weak = Arc::downgrade(&state);
128 gesture_click.connect_pressed(move |_, n_press, x, y| {
129 if n_press != 1 {
130 return;
131 }
132
133 let state = state_weak.upgrade().unwrap();
134 let mut state = state.lock().unwrap();
135 state.press(x, y).unwrap();
136 });
137 let state_weak = Arc::downgrade(&state);
138 gesture_click.connect_released(move |_, n_press, x, y| {
139 if n_press != 1 {
140 return;
141 }
142
143 let state = state_weak.upgrade().unwrap();
144 let mut state = state.lock().unwrap();
145 state.release(x, y).unwrap();
146 });
147 event_controller.connect_motion(move |_, x, y| {
148 let mut state = state.lock().unwrap();
149 state.motion(x, y).unwrap();
150 });
151 drawing_area.add_controller(&gesture_click);
152 drawing_area.add_controller(&event_controller);
153 drawing_area.set_draw_func(move |_, ctx, _, _| {
154 ctx.set_source_rgb(1., 0., 0.);
155 ctx.set_operator(cairo::Operator::Screen);
156 ctx.paint().unwrap();
157 });
158
159 hbox.append(&tools_box);
160 hbox.append(&drawing_area);
161
162 let window = gtk::ApplicationWindow::builder()
163 .application(app)
164 .title("tablet-emu")
165 .default_width(800)
166 .default_height(480)
167 .child(&hbox)
168 .build();
169
170 window.show();
171 }
172
173 pub fn main() {
174 let app = gtk::Application::builder()
175 .application_id("fr.linkmauve.TabletEmu")
176 .build();
177 app.connect_activate(build_ui);
178 app.run();
179 }