Working multitouch example

1 files changed, 17 insertions, 0 deletions

diff --git a/examples/game_of_life/src/main.rs b/examples/game_of_life/src/main.rs
index a2030275..971ad4d7 100644
--- a/examples/game_of_life/src/main.rs
+++ b/examples/game_of_life/src/main.rs
@@ -204,6 +204,7 @@ fn view_controls<'a>(
 
 mod grid {
     use crate::Preset;
+    use iced::touch;
     use iced::widget::canvas;
     use iced::widget::canvas::event::{self, Event};
     use iced::widget::canvas::{
@@ -423,6 +424,22 @@ mod grid {
             };
 
             match event {
+                Event::Touch(touch_event) => match touch_event {
+                    touch::Event::FingerMoved { .. } => {
+                        let message = {
+                            *interaction = if is_populated {
+                                Interaction::Erasing
+                            } else {
+                                Interaction::Drawing
+                            };
+
+                            populate.or(unpopulate)
+                        };
+
+                        (event::Status::Captured, message)
+                    }
+                    _ => (event::Status::Ignored, None),
+                },
                 Event::Mouse(mouse_event) => match mouse_event {
                     mouse::Event::ButtonPressed(button) => {
                         let message = match button {