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fix(tauri): prevent Windows zoom freeze with debouncing and transparent window

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- Add 50ms debounce to zoom operations to prevent WebView2 IPC bottleneck
- Enable transparent window mode for better Windows resize/zoom performance
- Reduce zoom step from 0.2 to 0.1 for finer control
This commit is contained in:
Shantur Rathore
2026-04-08 20:47:49 +01:00
parent 197898c01c
commit d45c0b9367
2 changed files with 34 additions and 11 deletions
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44
packages/tauri-app/src-tauri/src/main.rs
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@@ -9,11 +9,13 @@ use serde_json::json;
use std::collections::HashMap;
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Mutex;
use std::time::{SystemTime, UNIX_EPOCH};
use std::time::{Instant, SystemTime, UNIX_EPOCH};
use tauri::menu::{MenuBuilder, MenuItem, SubmenuBuilder};
use tauri::plugin::{Builder as PluginBuilder, TauriPlugin};
use tauri::webview::Webview;
use tauri::{AppHandle, Emitter, Manager, Runtime, WebviewUrl, WebviewWindowBuilder, WindowEvent, Wry};
use tauri::{
AppHandle, Emitter, Manager, Runtime, WebviewUrl, WebviewWindowBuilder, WindowEvent, Wry,
};
use tauri_plugin_global_shortcut::{
Code as ShortcutCode, GlobalShortcutExt, Shortcut, ShortcutState,
};
@@ -30,10 +32,12 @@ use std::os::windows::ffi::OsStrExt;
use windows_sys::Win32::UI::Shell::SetCurrentProcessExplicitAppUserModelID;
static QUIT_REQUESTED: AtomicBool = AtomicBool::new(false);
static LAST_ZOOM_TIME: Mutex<Option<Instant>> = Mutex::new(None);
const DEFAULT_ZOOM_LEVEL: f64 = 1.0;
const ZOOM_STEP: f64 = 0.2;
const ZOOM_STEP: f64 = 0.1;
const MIN_ZOOM_LEVEL: f64 = 0.2;
const MAX_ZOOM_LEVEL: f64 = 5.0;
const ZOOM_DEBOUNCE_MS: u64 = 50;
#[cfg(windows)]
const WINDOWS_APP_USER_MODEL_ID: &str = "ai.neuralnomads.codenomad.client";
@@ -129,7 +133,11 @@ fn should_allow_internal(url: &Url) -> bool {
}
}
fn should_allow_window_origin<R: Runtime>(app_handle: &AppHandle<R>, window_label: &str, url: &Url) -> bool {
fn should_allow_window_origin<R: Runtime>(
app_handle: &AppHandle<R>,
window_label: &str,
url: &Url,
) -> bool {
if should_allow_internal(url) {
return true;
}
@@ -172,7 +180,11 @@ fn open_remote_window(app: AppHandle, payload: RemoteWindowPayload) -> Result<()
let parsed = Url::parse(&payload.base_url).map_err(|err| err.to_string())?;
let label = format!("remote-{}", payload.id);
let title = format!("{} - {}", payload.name, parsed.host_str().unwrap_or(payload.base_url.as_str()));
let title = format!(
"{} - {}",
payload.name,
parsed.host_str().unwrap_or(payload.base_url.as_str())
);
if let Some(existing) = app.get_webview_window(&label) {
let _ = existing.navigate(parsed.clone());
@@ -189,12 +201,13 @@ fn open_remote_window(app: AppHandle, payload: RemoteWindowPayload) -> Result<()
.map_err(|err| err.to_string())?
.insert(label.clone(), parsed.origin().ascii_serialization());
let window = WebviewWindowBuilder::new(&app, label.clone(), WebviewUrl::External(parsed.clone()))
.title(title)
.inner_size(1400.0, 900.0)
.min_inner_size(800.0, 600.0)
.build()
.map_err(|err| err.to_string())?;
let window =
WebviewWindowBuilder::new(&app, label.clone(), WebviewUrl::External(parsed.clone()))
.title(title)
.inner_size(1400.0, 900.0)
.min_inner_size(800.0, 600.0)
.build()
.map_err(|err| err.to_string())?;
let app_handle = app.clone();
window.on_window_event(move |event| {
@@ -246,6 +259,15 @@ fn clamp_zoom_level(value: f64) -> f64 {
}
fn set_main_window_zoom(app_handle: &AppHandle, next_zoom: f64) {
if let Ok(mut last_zoom_time) = LAST_ZOOM_TIME.lock() {
if let Some(last_time) = *last_zoom_time {
if last_time.elapsed().as_millis() < ZOOM_DEBOUNCE_MS as u128 {
return;
}
}
*last_zoom_time = Some(Instant::now());
}
if let Some(window) = app_handle.get_webview_window("main") {
let normalized = clamp_zoom_level(next_zoom);
if window.set_zoom(normalized).is_ok() {