feat!: implement Application API

src/app/settings.rs

@@ -0,0 +1,80 @@
+// Copyright 2023 System76 <info@system76.com>
+// SPDX-License-Identifier: MPL-2.0
+
+use crate::{font, Theme};
+#[cfg(feature = "wayland")]
+use iced::Limits;
+use iced_core::Font;
+
+#[allow(clippy::struct_excessive_bools)]
+#[derive(derive_setters::Setters)]
+pub struct Settings {
+    /// Produces a smoother result in some widgets, at a performance cost.
+    pub(crate) antialiasing: bool,
+
+    /// Autosize the window to fit its contents
+    #[cfg(feature = "wayland")]
+    pub(crate) autosize: bool,
+
+    /// Whether the window should have a border, a title bar, etc. or not.
+    pub(crate) client_decorations: bool,
+
+    /// Enables debug features in cosmic/iced.
+    pub(crate) debug: bool,
+
+    /// The default [`Font`] to be used.
+    pub(crate) default_font: Font,
+
+    /// Name of the icon theme to search by default.
+    #[setters(strip_option, into)]
+    pub(crate) default_icon_theme: Option<String>,
+
+    /// Default size of fonts.
+    pub(crate) default_text_size: f32,
+
+    /// Whether the window should be resizable or not.
+    /// and the size of the window border which can be dragged for a resize
+    #[setters(strip_option)]
+    pub(crate) resizable: Option<f64>,
+
+    /// Scale factor to use by default.
+    pub(crate) scale_factor: f32,
+
+    /// Initial size of the window.
+    pub(crate) size: (u32, u32),
+
+    /// Limitations of the window size
+    #[cfg(feature = "wayland")]
+    pub(crate) size_limits: Limits,
+
+    /// The theme to apply to the application.
+    pub(crate) theme: Theme,
+
+    /// Whether the window should be transparent.
+    pub(crate) transparent: bool,
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self {
+            antialiasing: true,
+            #[cfg(feature = "wayland")]
+            autosize: false,
+            client_decorations: true,
+            debug: false,
+            default_font: font::FONT,
+            default_icon_theme: Some(String::from("Pop")),
+            default_text_size: 14.0,
+            resizable: Some(8.0),
+            scale_factor: std::env::var("COSMIC_SCALE")
+                .ok()
+                .and_then(|scale| scale.parse::<f32>().ok())
+                .unwrap_or(1.0),
+            size: (1024, 768),
+            #[cfg(feature = "wayland")]
+            size_limits: Limits::NONE.min_height(1.0).min_width(1.0),
+            theme: crate::theme::theme(),
+            transparent: false,
+        }
+    }
+}