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Prevent accidental double touching

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This commit is contained in:
Julian Mutter 2023-11-28 08:27:04 +01:00
parent 77f32e55cf
commit b2441ec2dc
1 changed files with 11 additions and 0 deletions
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11
src/ui.rs
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@ -2,6 +2,7 @@ use std::{
cell::RefCell, cell::RefCell,
path::{Path, PathBuf}, path::{Path, PathBuf},
rc::Rc, rc::Rc,
time::{Duration, Instant},
}; };
use gtk::{ use gtk::{
@ -24,6 +25,7 @@ pub struct Ui {
pub image_left: Picture, pub image_left: Picture,
pub image_right: Picture, pub image_right: Picture,
pub document_canvas: Option<DocumentCanvas>, pub document_canvas: Option<DocumentCanvas>,
pub last_touch_time: Option<Instant>,
} }
pub struct DocumentCanvas { pub struct DocumentCanvas {
@ -152,6 +154,14 @@ fn process_right_click(ui: &mut Ui, _x: f64, _y: f64) {
} }
fn process_left_click(ui: &mut Ui, x: f64, y: f64) { fn process_left_click(ui: &mut Ui, x: f64, y: f64) {
if let Some(last_touch_time) = ui.last_touch_time {
if last_touch_time.elapsed() < Duration::from_millis(100) {
// Prevent accidental double touching
return;
}
}
ui.last_touch_time = Some(Instant::now());
if ui.document_canvas.is_none() { if ui.document_canvas.is_none() {
return; return;
} }
@ -238,6 +248,7 @@ impl Ui {
image_left, image_left,
image_right, image_right,
document_canvas: None, document_canvas: None,
last_touch_time: None,
}; };
let ui = Rc::new(RefCell::new(ui)); let ui = Rc::new(RefCell::new(ui));