refactor saved settings to be an enum to enable persistence of maximized state

src/settings/mod.rs

@@ -10,7 +10,8 @@ use nvim_rs::Neovim;
 use parking_lot::RwLock;
 pub use rmpv::Value;
 pub use window_geometry::{
-    load_last_window_position, parse_window_geometry, save_window_geometry, DEFAULT_WINDOW_GEOMETRY,
+    load_last_window_settings, parse_window_geometry, save_window_geometry,
+    PersistentWindowSettings, DEFAULT_WINDOW_GEOMETRY,
 };
 
 use crate::bridge::TxWrapper;

src/settings/window_geometry.rs

@@ -12,12 +12,15 @@ pub const DEFAULT_WINDOW_GEOMETRY: Dimensions = Dimensions {
     height: 50,
 };
 
-#[derive(Serialize, Deserialize)]
-struct PersistentWindowSettings {
+#[derive(Serialize, Deserialize, Debug)]
+pub enum PersistentWindowSettings {
+    Maximized,
+    Windowed {
         #[serde(default)]
         position: PhysicalPosition<i32>,
         #[serde(default = "default_size")]
         size: Dimensions,
+    },
 }
 
 fn default_size() -> Dimensions {
@@ -54,37 +57,32 @@ fn load_settings() -> Result<PersistentSettings, String> {
     serde_json::from_str(&json).map_err(|e| e.to_string())
 }
 
-pub fn try_to_load_last_window_size() -> Result<Dimensions, String> {
+pub fn load_last_window_settings() -> Result<PersistentWindowSettings, String> {
     let settings = load_settings()?;
-    let loaded_geometry = settings.window.size;
-    log::debug!("Loaded Window Size: {:?}", loaded_geometry);
+    let mut loaded_settings = settings.window;
+    log::debug!("Loaded window settings: {:?}", loaded_settings);
 
-    if loaded_geometry.width == 0 || loaded_geometry.height == 0 {
-        log::warn!("Invalid Saved Window Size. Reverting to default");
-        Ok(DEFAULT_WINDOW_GEOMETRY)
-    } else {
-        Ok(loaded_geometry)
+    if let PersistentWindowSettings::Windowed { size, .. } = &mut loaded_settings {
+        if size.width == 0 || size.height == 0 {
+            *size = DEFAULT_WINDOW_GEOMETRY;
         }
-}
-
-pub fn load_last_window_position() -> PhysicalPosition<i32> {
-    let settings = load_settings();
-    if let Ok(settings) = settings {
-        let loaded_position = settings.window.position;
-        log::debug!("Loaded Window Position: {:?}", loaded_position);
-        loaded_position
-    } else {
-        PhysicalPosition::default()
     }
+
+    Ok(loaded_settings)
 }
 
 pub fn save_window_geometry(
+    maximized: bool,
     grid_size: Option<Dimensions>,
     position: Option<PhysicalPosition<i32>>,
 ) {
     let window_settings = SETTINGS.get::<WindowSettings>();
+
     let settings = PersistentSettings {
-        window: PersistentWindowSettings {
+        window: if maximized && window_settings.remember_window_size {
+            PersistentWindowSettings::Maximized
+        } else {
+            PersistentWindowSettings::Windowed {
                 size: {
                     window_settings
                         .remember_window_size
@@ -99,6 +97,7 @@ pub fn save_window_geometry(
                         .flatten()
                         .unwrap_or_default()
                 },
+            }
         },
     };
 
@@ -110,8 +109,16 @@ pub fn save_window_geometry(
 }
 
 pub fn parse_window_geometry(geometry: Option<String>) -> Result<Dimensions, String> {
-    let saved_window_size =
-        try_to_load_last_window_size().or::<String>(Ok(DEFAULT_WINDOW_GEOMETRY));
+    let saved_window_size = load_last_window_settings()
+        .and_then(|window_settings| {
+            if let PersistentWindowSettings::Windowed { size, .. } = window_settings {
+                Ok(size)
+            } else {
+                Err(String::from("Window was maximized"))
+            }
+        })
+        .or::<String>(Ok(DEFAULT_WINDOW_GEOMETRY));
+
     geometry.map_or(saved_window_size, |input| {
         let invalid_parse_err = format!(
             "Invalid geometry: {}\nValid format: <width>x<height>",

src/window/mod.rs

@@ -30,7 +30,9 @@ use crate::{
     redraw_scheduler::REDRAW_SCHEDULER,
     renderer::Renderer,
     running_tracker::*,
-    settings::{load_last_window_position, save_window_geometry, SETTINGS},
+    settings::{
+        load_last_window_settings, save_window_geometry, PersistentWindowSettings, SETTINGS,
+    },
     utils::Dimensions,
 };
 use image::{load_from_memory, GenericImageView, Pixel};
@@ -275,21 +277,37 @@ pub fn create_window(
     let event_loop = EventLoop::new();
 
     let cmd_line_settings = SETTINGS.get::<CmdLineSettings>();
-    let winit_window_builder = window::WindowBuilder::new()
+
+    let mut maximized = cmd_line_settings.maximized;
+    let mut previous_position = None;
+    if let Ok(last_window_settings) = load_last_window_settings() {
+        match last_window_settings {
+            PersistentWindowSettings::Maximized => {
+                maximized = true;
+            }
+            PersistentWindowSettings::Windowed { position, .. } => {
+                previous_position = Some(position);
+            }
+        }
+    }
+
+    let mut winit_window_builder = window::WindowBuilder::new()
         .with_title("Neovide")
         .with_window_icon(Some(icon))
-        .with_maximized(cmd_line_settings.maximized)
+        .with_maximized(maximized)
         .with_transparent(true)
-        .with_decorations(!cmd_line_settings.frameless)
-        .with_position(load_last_window_position());
+        .with_decorations(!cmd_line_settings.frameless);
+
+    if let Some(previous_position) = previous_position {
+        if !maximized {
+            winit_window_builder = winit_window_builder.with_position(previous_position);
+        }
+    }
 
     #[cfg(target_os = "linux")]
     let winit_window_builder = winit_window_builder
-        .with_app_id(SETTINGS.get::<CmdLineSettings>().wayland_app_id)
-        .with_class(
-            "neovide".to_string(),
-            SETTINGS.get::<CmdLineSettings>().x11_wm_class,
-        );
+        .with_app_id(cmd_line_settings.wayland_app_id)
+        .with_class("neovide".to_string(), cmd_line_settings.x11_wm_class);
 
     let windowed_context = ContextBuilder::new()
         .with_pixel_format(24, 8)
@@ -333,13 +351,11 @@ pub fn create_window(
 
     event_loop.run(move |e, _window_target, control_flow| {
         if !RUNNING_TRACKER.is_running() {
+            let window = window_wrapper.windowed_context.window();
             save_window_geometry(
+                window.is_maximized(),
                 window_wrapper.saved_grid_size,
-                window_wrapper
-                    .windowed_context
-                    .window()
-                    .outer_position()
-                    .ok(),
+                window.outer_position().ok(),
             );
             std::process::exit(0);
         }