From 5265fa24642392213e2acf6847e3047ac2e36417 Mon Sep 17 00:00:00 2001
From: ShootingStarDragons <ShootingStarDragons@protonmail.com>
Date: Mon, 7 Oct 2024 00:58:25 +0900
Subject: [PATCH] chore: try set viewport

---
 iced_layershell/src/actions.rs           |  1 +
 iced_layershell/src/application.rs       | 17 ++++++++++++-----
 iced_layershell/src/application/state.rs |  8 +++++++-
 3 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/iced_layershell/src/actions.rs b/iced_layershell/src/actions.rs
index 80698a8..8ef200e 100644
--- a/iced_layershell/src/actions.rs
+++ b/iced_layershell/src/actions.rs
@@ -13,6 +13,7 @@ pub(crate) enum LayerShellActions<INFO: Clone> {
     RedrawAll,
     RedrawWindow(LayerId), // maybe one day it is useful, but now useless
     NewMenu((IcedNewPopupSettings, INFO)),
+    SingleLayerViewportDestintion { width: i32, height: i32 },
 }
 
 #[derive(Debug, PartialEq, Eq, Clone, Copy)]
diff --git a/iced_layershell/src/application.rs b/iced_layershell/src/application.rs
index bca3863..8c230e6 100644
--- a/iced_layershell/src/application.rs
+++ b/iced_layershell/src/application.rs
@@ -308,6 +308,9 @@ where
             LayerShellActions::RedrawWindow(index) => {
                 ev.append_return_data(ReturnData::RedrawIndexRequest(index));
             }
+            LayerShellActions::SingleLayerViewportDestintion { width, height } => {
+                ev.main_window().try_set_viewport_destination(width, height);
+            }
             _ => {}
         }
         def_returndata
@@ -374,10 +377,14 @@ async fn run_instance<A, E, C>(
                 fractal_scale,
             } => {
                 state.update_view_port(width, height, fractal_scale);
-                let ps = state.physical_size();
-                let width = ps.width;
-                let height = ps.height;
-                //state.update_view_port(width, height);
+                let physical_size = state.physical_size();
+                let width = physical_size.width;
+                let height = physical_size.height;
+                let logical_size = state.logical_size();
+                custom_actions.push(LayerShellActions::SingleLayerViewportDestintion {
+                    width: logical_size.width.ceil() as i32,
+                    height: logical_size.height.ceil() as i32,
+                });
                 debug.layout_started();
                 user_interface =
                     ManuallyDrop::new(ManuallyDrop::into_inner(user_interface).relayout(
@@ -470,7 +477,7 @@ async fn run_instance<A, E, C>(
                 }
             }
             IcedLayerEvent::Window(event) => {
-                state.update(&event);
+                state.update(&event, &mut custom_actions);
 
                 if let Some(event) =
                     conversion::window_event(&event, state.scale_factor(), state.modifiers())
diff --git a/iced_layershell/src/application/state.rs b/iced_layershell/src/application/state.rs
index f025596..dba6403 100644
--- a/iced_layershell/src/application/state.rs
+++ b/iced_layershell/src/application/state.rs
@@ -1,3 +1,4 @@
+use crate::actions::LayerShellActions;
 use crate::application::Application;
 use crate::{Appearance, DefaultStyle};
 use iced_core::{mouse as IcedMouse, Color, Point, Size};
@@ -101,7 +102,7 @@ where
             .unwrap_or(IcedMouse::Cursor::Unavailable)
     }
 
-    pub fn update(&mut self, event: &WindowEvent) {
+    pub fn update(&mut self, event: &WindowEvent, custom_actions: &mut Vec<LayerShellActions<()>>) {
         match event {
             WindowEvent::CursorLeft => {
                 self.mouse_position = None;
@@ -121,6 +122,11 @@ where
 
                 self.viewport_version = self.viewport_version.wrapping_add(1);
                 self.window_scale_factor = *scale_float;
+                let logical_size = self.logical_size();
+                custom_actions.push(LayerShellActions::SingleLayerViewportDestintion {
+                    width: logical_size.width.ceil() as i32,
+                    height: logical_size.height.ceil() as i32,
+                });
             }
             _ => {}
         }