layout manager test

src/components/render_panel/monitor/monitor.rs

@@ -1,8 +1,10 @@
 use crate::{
     components::render_panel::messages::{MonitorInputMsg, MonitorOutputMsg},
     data::Npz,
+    dynamic_col::DynamicCol,
     render::{predefined::color_mapper::BoundaryNorm, Layer, Render},
 };
+use glib::clone;
 use std::sync::Arc;
 
 use super::sidebar::{sidebar::SideBarModel, Msg, SideBarOutputMsg};
@@ -39,22 +41,31 @@ impl AsyncComponent for MonitorModel {
             set_height_request: 500,
             set_width_request: 700,
             #[wrap(Some)]
-            set_child=&gtk::Paned{
-                set_position: 1000,
+            #[name="test"]
+            set_child = &DynamicCol{
+                set_ratio: 0.5,
+                set_hexpand: true,
+                set_vexpand: true,
                 #[wrap(Some)]
-                #[name="render"]
-                set_start_child=&gtk::Box{
-                    add_css_class: "rb",
-                    set_margin_all: 5,
-                    Render{
+                #[name="paned"]
+                set_child=&gtk::Paned{
+                    set_position: top_level_window_unwrap.default_width() - model.sidebar_width,
+                    #[wrap(Some)]
+                    #[name="render"]
+                    set_start_child=&gtk::Frame{
                         add_css_class: "rb",
-                        #[watch]
-                        set_interior_layers: model.layers.clone(),
-                    }
-                },
-                #[wrap(Some)]
-                set_end_child=model.sidebar.widget(),
-            }
+                        set_margin_all: 5,
+                        Render{
+                            add_css_class: "rb",
+                            #[watch]
+                            set_interior_layers: model.layers.clone(),
+                        }
+                    },
+                    #[wrap(Some)]
+                    set_end_child=model.sidebar.widget(),
+                }
+            },
+
         }
     }
 
@@ -77,7 +88,14 @@ impl AsyncComponent for MonitorModel {
             sidebar,
         };
 
+        let top_level_window = root.toplevel_window();
+        let top_level_window_unwrap = top_level_window.unwrap();
+
         let widgets = view_output! {};
+        top_level_window_unwrap.connect_width_request_notify(|w| {
+            println!("window width: {}", w.width_request());
+        });
+        println!("window width: {}", widgets.test.get_start_width());
         AsyncComponentParts { model, widgets }
     }
 

src/dynamic_col/custom_layout/mod.rs

@@ -0,0 +1 @@
+mod imp;

src/dynamic_col/imp.rs

@@ -0,0 +1,38 @@
+use adw::subclass::bin::BinImpl;
+use gtk::glib;
+use gtk::subclass::prelude::*;
+use std::cell::{Cell, RefCell};
+use std::num::NonZeroU32;
+
+pub struct DynamicCol {
+    pub(super) ratio: RefCell<Option<f64>>,
+    width: Cell<i32>,
+    pub(super) start_width: Cell<i32>,
+    pub(super) end_width: Cell<i32>,
+}
+
+impl Default for DynamicCol {
+    fn default() -> Self {
+        Self {
+            ratio: RefCell::new(None),
+            width: Cell::new(0),
+            start_width: Cell::new(0),
+            end_width: Cell::new(0),
+        }
+    }
+}
+
+#[glib::object_subclass]
+impl ObjectSubclass for DynamicCol {
+    const NAME: &'static str = "DynamicCol";
+    type Type = super::DynamicCol;
+    type ParentType = gtk::Box;
+}
+
+impl ObjectImpl for DynamicCol {}
+
+impl WidgetImpl for DynamicCol {}
+
+impl BoxImpl for DynamicCol {}
+
+impl WidgetImplExt for DynamicCol{}

src/dynamic_col/mod.rs

@@ -0,0 +1,52 @@
+mod imp;
+mod custom_layout;
+use glib::clone;
+pub use glib::subclass::prelude::*;
+use gtk::traits::WidgetExt;
+use std::cell::{Ref, RefCell, RefMut};
+use std::sync::{Arc, Mutex};
+
+glib::wrapper! {
+    pub struct DynamicCol(ObjectSubclass<imp::DynamicCol>)
+    @extends gtk::Box, gtk::Widget;
+}
+
+impl Default for DynamicCol {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl DynamicCol {
+    pub fn new() -> Self {
+        let this: Self = glib::Object::new();
+        this
+    }
+
+    pub fn set_ratio(&self, ratio: f64) {
+        let self_ = imp::DynamicCol::from_instance(self);
+        self_.ratio.replace(Some(ratio));
+        self.queue_resize();
+    }
+
+    pub fn get_ratio(&self) -> Option<f64> {
+        let self_ = imp::DynamicCol::from_instance(self);
+        *self_.ratio.borrow()
+    }
+
+    pub fn get_start_width(&self) -> i32 {
+        let self_ = imp::DynamicCol::from_instance(self);
+        self_.start_width.get()
+    }
+
+    pub fn get_end_width(&self) -> i32 {
+        let self_ = imp::DynamicCol::from_instance(self);
+        self_.end_width.get()
+    }
+
+    fn test(&self) {
+        let imp = self.imp();
+
+        let manager = imp.layout_manager();
+    }
+}

src/main.rs

@@ -3,13 +3,14 @@ use gtk::prelude::*;
 use gtk::{gio, glib, Application, ApplicationWindow};
 use relm4::menu;
 use relm4::RelmApp;
-use tokio::runtime::Runtime;
 use std::ptr;
+use tokio::runtime::Runtime;
 mod chart;
 mod components;
 mod coords;
 mod data;
 mod dealers;
+mod dynamic_col;
 mod errors;
 mod pipeline;
 mod render;
@@ -26,7 +27,9 @@ fn main() {
     // Load GL pointers from epoxy (GL context management library used by GTK).
     {
         #[cfg(target_os = "macos")]
-        let library = unsafe { libloading::os::unix::Library::new("libepoxy.0.dylib") }.unwrap();
+        let library =
+            unsafe { libloading::os::unix::Library::new("/opt/homebrew/lib/libepoxy.0.dylib") }
+                .unwrap();
         #[cfg(all(unix, not(target_os = "macos")))]
         let library = unsafe { libloading::os::unix::Library::new("libepoxy.so.0") }.unwrap();
         #[cfg(windows)]