From ab1e170f740bbb2e68096d31dfbea52c726c6c99 Mon Sep 17 00:00:00 2001
From: Robbert van der Helm <mail@robbertvanderhelm.nl>
Date: Sat, 12 Mar 2022 23:28:18 +0100
Subject: [PATCH] Replace Diopser egui GUI with empty iced GUI

---
 Cargo.lock                    |  2 +-
 plugins/diopser/Cargo.toml    |  2 +-
 plugins/diopser/src/editor.rs | 45 +++++++++++++++++++++++++++--------
 plugins/diopser/src/lib.rs    |  4 ++--
 4 files changed, 39 insertions(+), 14 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 80d6938d..2a871189 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -746,7 +746,7 @@ version = "0.1.0"
 dependencies = [
  "fftw",
  "nih_plug",
- "nih_plug_egui",
+ "nih_plug_iced",
  "triple_buffer",
 ]
 
diff --git a/plugins/diopser/Cargo.toml b/plugins/diopser/Cargo.toml
index 9f0f3668..76d64bf6 100644
--- a/plugins/diopser/Cargo.toml
+++ b/plugins/diopser/Cargo.toml
@@ -16,7 +16,7 @@ simd = ["nih_plug/simd"]
 
 [dependencies]
 nih_plug = { path = "../../", features = ["assert_process_allocs"] }
-nih_plug_egui = { path = "../../nih_plug_egui" }
+nih_plug_iced = { path = "../../nih_plug_iced" }
 
 # For the GUI
 fftw = "0.7"
diff --git a/plugins/diopser/src/editor.rs b/plugins/diopser/src/editor.rs
index e51500a6..1954c53c 100644
--- a/plugins/diopser/src/editor.rs
+++ b/plugins/diopser/src/editor.rs
@@ -15,25 +15,50 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 use nih_plug::prelude::Editor;
-use nih_plug_egui::widgets::generic_ui;
-use nih_plug_egui::{create_egui_editor, egui, EguiState};
+use nih_plug_iced::{create_iced_editor, Application, Command, Element, IcedState};
 use std::pin::Pin;
 use std::sync::Arc;
 
 use crate::DiopserParams;
 
 // Makes sense to also define this here, makes it a bit easier to keep track of
-pub fn default_state() -> Arc<EguiState> {
-    EguiState::from_size(220, 330)
+pub fn default_state() -> Arc<IcedState> {
+    IcedState::from_size(600, 400)
 }
 
 pub fn create(
     params: Pin<Arc<DiopserParams>>,
-    editor_state: Arc<EguiState>,
+    editor_state: Arc<IcedState>,
 ) -> Option<Box<dyn Editor>> {
-    create_egui_editor(editor_state, (), move |egui_ctx, setter, _state| {
-        egui::CentralPanel::default().show(egui_ctx, |ui| {
-            generic_ui::create(ui, params.as_ref(), setter, generic_ui::GenericSlider);
-        });
-    })
+    create_iced_editor::<DiopserEditor>(editor_state, params)
+}
+
+struct DiopserEditor {
+    params: Pin<Arc<DiopserParams>>,
+}
+
+impl Application for DiopserEditor {
+    type Executor = nih_plug_iced::executor::Default;
+    // TODO:
+    type Message = ();
+    type Flags = Pin<Arc<DiopserParams>>;
+
+    fn new(flags: Self::Flags) -> (Self, Command<Self::Message>) {
+        let editor = DiopserEditor { params: flags };
+
+        (editor, Command::none())
+    }
+
+    fn update(
+        &mut self,
+        window: &mut nih_plug_iced::WindowQueue,
+        message: Self::Message,
+    ) -> Command<Self::Message> {
+        // TODO:
+        Command::none()
+    }
+
+    fn view(&mut self) -> Element<'_, Self::Message> {
+        nih_plug_iced::Text::new("Hello, world!").into()
+    }
 }
diff --git a/plugins/diopser/src/lib.rs b/plugins/diopser/src/lib.rs
index 31000300..5432143e 100644
--- a/plugins/diopser/src/lib.rs
+++ b/plugins/diopser/src/lib.rs
@@ -23,7 +23,7 @@ compile_error!("Compiling without SIMD support is currently not supported");
 extern crate nih_plug;
 
 use nih_plug::prelude::*;
-use nih_plug_egui::EguiState;
+use nih_plug_iced::IcedState;
 use std::pin::Pin;
 use std::simd::f32x2;
 use std::sync::atomic::{AtomicBool, Ordering};
@@ -50,7 +50,7 @@ const MAX_AUTOMATION_STEP_SIZE: u32 = 512;
 // - A proper GUI
 struct Diopser {
     params: Pin<Arc<DiopserParams>>,
-    editor_state: Arc<EguiState>,
+    editor_state: Arc<IcedState>,
 
     /// Needed for computing the filter coefficients.
     sample_rate: f32,