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annotate src/bin/client.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/client.rs@0bce7fe96937
children ba09079686a0
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1 // Tablet emulator, for people who don’t own one
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2 // Copyright © 2020 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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3 //
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4 // This program is free software: you can redistribute it and/or modify
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5 // it under the terms of the GNU Affero General Public License as published by
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6 // the Free Software Foundation, either version 3 of the License, or
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7 // (at your option) any later version.
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8 //
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9 // This program is distributed in the hope that it will be useful,
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10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 // GNU Affero General Public License for more details.
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13 //
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14 // You should have received a copy of the GNU Affero General Public License
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15 // along with this program. If not, see <https://www.gnu.org/licenses/>.
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16
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17 use gio::prelude::*;
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18 use glib::clone;
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19 use gtk::prelude::*;
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20 use input_linux::Key;
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21 use std::net::UdpSocket;
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22 use std::sync::{Arc, Mutex};
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23 use tablet_emu::protocol::{Buttons, Event};
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24 use tablet_emu::{state::FakeState, DEFAULT_HEIGHT, DEFAULT_WIDTH};
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25
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26 fn build_main_menu(app: &gtk::Application) {
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27 let quit = gio::SimpleAction::new("quit", None);
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28 app.set_accels_for_action("app.quit", &["<Control>q"]);
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29 app.add_action(&quit);
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30 quit.connect_activate(clone!(@weak app => move |_, _| app.quit()));
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31
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32 let about = gio::SimpleAction::new("about", None);
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33 app.add_action(&about);
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34 about.connect_activate(|_, _| {
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35 let about = gtk::AboutDialog::builder()
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36 .program_name("TabletEmu")
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37 .logo_icon_name("input-tablet")
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38 .website("https://hg.linkmauve.fr/tablet-emu")
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39 .version("0.1")
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40 .license_type(gtk::License::Agpl30)
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41 .copyright("© 2020 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>")
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42 .build();
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43 //about.run();
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44 about.destroy();
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45 });
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46
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47 let menu = gio::Menu::new();
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48 {
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49 let file = gio::Menu::new();
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50 file.append(Some("_Quit"), Some("app.quit"));
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51 menu.append_submenu(Some("_File"), &file);
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52 }
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53 {
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54 let help = gio::Menu::new();
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55 help.append(Some("_About"), Some("app.about"));
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56 menu.append_submenu(Some("_Help"), &help);
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57 }
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58 app.set_menubar(Some(&menu));
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59 }
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60
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61 fn build_ui(app: &gtk::Application) {
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62 build_main_menu(app);
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63
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64 let address = "127.0.0.1:16150";
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65 let socket = Arc::new(Mutex::new(UdpSocket::bind("127.0.0.1:4321").unwrap()));
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66 println!("opened {:?}", socket);
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67
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68 let send = move |event: &Event| {
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69 // TODO: Yolo-alignment.
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70 let buf: &[u8; std::mem::size_of::<Event>()] = unsafe { std::mem::transmute(event) };
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71 let socket = socket.lock().unwrap();
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72 let amount = socket.send_to(buf, address).unwrap();
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73 assert_eq!(amount, std::mem::size_of::<Event>());
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74 };
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75 let send2 = send.clone();
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76 let send3 = send.clone();
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77 let send4 = send.clone();
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78
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79 let state = Arc::new(Mutex::new(FakeState::new()));
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80
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81 let hbox = gtk::Box::builder()
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82 .orientation(gtk::Orientation::Horizontal)
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83 .build();
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84 let tools_box = gtk::Box::builder()
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85 .orientation(gtk::Orientation::Vertical)
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86 .build();
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87
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88 macro_rules! impl_tool {
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89 ($tool:tt) => {
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90 let tool = gtk::Button::with_mnemonic($tool);
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91 let state_weak = Arc::downgrade(&state);
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92 let send = send.clone();
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93 tool.connect_clicked(move |b| {
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94 let state = state_weak.upgrade().unwrap();
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95 let mut state = state.lock().unwrap();
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96 let tool = match b.label().unwrap().as_str() {
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97 "_Pen" => Key::ButtonToolPen,
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98 "_Rubber" => Key::ButtonToolRubber,
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99 "_Brush" => Key::ButtonToolBrush,
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100 "P_encil" => Key::ButtonToolPencil,
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101 "_Airbrush" => Key::ButtonToolAirbrush,
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102 _ => unreachable!(),
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103 };
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104 state.select_tool(tool);
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105
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106 let mut event: Event = Default::default();
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107 event.buttons = match tool {
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108 Key::ButtonToolPen => Buttons::A,
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109 Key::ButtonToolRubber => Buttons::B,
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110 Key::ButtonToolBrush => Buttons::X,
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111 Key::ButtonToolPencil => Buttons::Y,
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112 Key::ButtonToolAirbrush => Buttons::SELECT,
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113 _ => unreachable!(),
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114 };
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115 send(&event);
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116 });
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117 tools_box.append(&tool);
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118 };
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119 }
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120 impl_tool!("_Pen");
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121 impl_tool!("_Rubber");
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122 impl_tool!("_Brush");
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123 impl_tool!("P_encil");
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124 impl_tool!("_Airbrush");
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125
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126 let drawing_area = gtk::DrawingArea::builder()
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127 .content_width(DEFAULT_WIDTH)
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128 .content_height(DEFAULT_HEIGHT)
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129 .hexpand(true)
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130 .build();
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131 let gesture_click = gtk::GestureClick::new();
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132 let event_controller = gtk::EventControllerMotion::new();
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133 let state_weak = Arc::downgrade(&state);
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134 drawing_area.connect_resize(move |_, width, height| {
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135 let state = state_weak.upgrade().unwrap();
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136 let mut state = state.lock().unwrap();
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137 state.set_size(width, height);
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138
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139 let mut event: Event = Default::default();
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140 event.buttons = Buttons::RESIZE;
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141 event.touch = (width as u16, height as u16);
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142 send(&event);
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143 });
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144 let state_weak = Arc::downgrade(&state);
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145 gesture_click.connect_pressed(move |_, n_press, x, y| {
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146 if n_press != 1 {
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147 return;
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148 }
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149
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150 let state = state_weak.upgrade().unwrap();
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151 let mut state = state.lock().unwrap();
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152 state.press(x, y).unwrap();
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153
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154 let mut event: Event = Default::default();
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155 event.buttons = Buttons::TOUCH;
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156 event.touch = (x as u16, y as u16);
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157 send2(&event);
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158 });
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159 let state_weak = Arc::downgrade(&state);
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160 gesture_click.connect_released(move |_, n_press, x, y| {
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161 if n_press != 1 {
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162 return;
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163 }
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164
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165 let state = state_weak.upgrade().unwrap();
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166 let mut state = state.lock().unwrap();
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167 state.release(x, y).unwrap();
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168
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169 let mut event: Event = Default::default();
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170 event.touch = (x as u16, y as u16);
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171 send3(&event);
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172 });
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173 event_controller.connect_motion(move |_, x, y| {
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174 let mut state = state.lock().unwrap();
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175 state.motion(x, y).unwrap();
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176
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177 if state.is_pressed() {
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178 let mut event: Event = Default::default();
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179 event.buttons = Buttons::TOUCH;
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180 event.touch = (x as u16, y as u16);
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181 send4(&event);
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182 }
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183 });
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184 drawing_area.add_controller(&gesture_click);
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185 drawing_area.add_controller(&event_controller);
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186 drawing_area.set_draw_func(move |_, ctx, _, _| {
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187 ctx.set_source_rgb(1., 0., 0.);
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188 ctx.set_operator(cairo::Operator::Screen);
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189 ctx.paint().unwrap();
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190 });
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191
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192 hbox.append(&tools_box);
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193 hbox.append(&drawing_area);
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194
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195 let window = gtk::ApplicationWindow::builder()
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196 .application(app)
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197 .title("tablet-emu")
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198 .default_width(800)
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199 .default_height(480)
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200 .child(&hbox)
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201 .build();
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202
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203 window.show();
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204 }
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205
18
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206 pub fn main() {
17
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207 let app = gtk::Application::builder()
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208 .application_id("fr.linkmauve.TabletEmu")
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209 .build();
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210 app.connect_activate(build_ui);
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211 app.run();
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212 }