Load config

- All values either from config file or default values

Cargo.toml

@@ -5,6 +5,7 @@ edition = "2024"
 build = "build.rs"
 
 [dependencies]
+dirs = "6.0.0"
 i-slint-backend-winit = { version = "1.14.1", default-features = false, features = ["x11"] }
 serde = { version = "1.0.228", default-features = false, features = ["derive"] }
 slint = { version = "1.14.1", default-features = false, features = ["backend-winit", "compat-1-2", "renderer-software"] }

src/config.rs

@@ -1,6 +1,21 @@
 use serde::Deserialize;
+use std::fs;
+use std::path::PathBuf;
 use slint::{Color, SharedString};
-use std::{fs, path::PathBuf};
+
+pub fn parse_hex_color(s: &str) -> Result<Color, String> {
+    let clean = s.trim().trim_start_matches('#');
+
+    if clean.len() != 8 {
+        return Err("color must be RRGGBBAA".into());
+    }
+
+    let raw =
+        u32::from_str_radix(clean, 16)
+            .map_err(|_| "invalid hex color")?;
+
+    Ok(Color::from_argb_encoded(raw))
+}
 
 #[derive(Debug, Deserialize)]
 pub struct Config {
@@ -63,3 +78,169 @@ pub struct MenuOption {
     pub text: String,
     pub command: String,
 }
+
+pub struct ResolvedConfig {
+    pub screen_width: i32,
+    pub screen_height: i32,
+    pub screen_bg: Color,
+
+    pub button_style: ButtonStyleResolved,
+
+    pub menu_padding_x: i32,
+    pub menu_padding_y: i32,
+    pub menu_spacing: i32,
+    pub menu_border_radius: i32,
+
+    pub menu_width: i32,
+    pub menu_height: i32,
+    pub menu_pos_x: i32,
+    pub menu_pos_y: i32,
+    pub menu_bg: Color,
+
+    pub options: Vec<MenuOption>,
+}
+
+pub struct ButtonStyleResolved {
+    pub btn_width: i32,
+    pub btn_height: i32,
+    pub btn_border_radius: i32,
+
+    pub btn_bg_normal: Color,
+    pub btn_bg_hover: Color,
+    pub btn_bg_clicked: Color,
+
+    pub option_icon_height: i32,
+    pub icon_font_size: i32,
+    pub icon_font: SharedString,
+    pub icon_font_color: Color,
+
+    pub option_text_height: i32,
+    pub option_text_font_size: i32,
+    pub option_text_font: SharedString,
+    pub option_text_color: Color,
+}
+
+pub fn load_config(
+    screen_w: i32,
+    screen_h: i32,
+) -> Result<ResolvedConfig, String> {
+    let path = config_path();
+
+    let raw = if path.exists() {
+        let text = fs::read_to_string(&path)
+            .map_err(|e| e.to_string())?;
+        toml::from_str::<Config>(&text)
+            .map_err(|e| e.to_string())?
+    } else {
+        Config {
+            screen: None,
+            menu_popup: None,
+            buttons: None,
+            button: None,
+            options: None,
+        }
+    };
+
+    resolve(raw, screen_w, screen_h)
+}
+
+fn config_path() -> PathBuf {
+    let mut p =
+        dirs::config_dir()
+            .unwrap_or_else(|| PathBuf::from("."));
+
+    p.push("candywidgets");
+    p.push("power-menu");
+    p.push("config.toml");
+    p
+}
+
+fn resolve(
+    raw: Config,
+    fallback_w: i32,
+    fallback_h: i32,
+) -> Result<ResolvedConfig, String> {
+    let screen = raw.screen.as_ref();
+    let menu = raw.menu_popup.as_ref();
+    let buttons = raw.buttons.as_ref();
+
+    let screen_width =
+        screen.and_then(|s| s.width).unwrap_or(fallback_w);
+    let screen_height =
+        screen.and_then(|s| s.height).unwrap_or(fallback_h);
+
+    let screen_bg =
+        screen
+            .and_then(|s| s.bg_color.as_deref())
+            .map(parse_hex_color)
+            .transpose()?
+            .unwrap_or(Color::from_argb_encoded(0x20A3A3A3));
+
+    let btn_width = buttons.and_then(|b| b.width).unwrap_or(120);
+    let btn_height = buttons.and_then(|b| b.height).unwrap_or(120);
+
+    let icon_height = btn_height * 75 / 100;
+    let text_height = btn_height * 25 / 100;
+
+    let button_style = ButtonStyleResolved {
+        btn_width,
+        btn_height,
+        btn_border_radius: buttons.and_then(|b| b.border_radius).unwrap_or(20),
+
+        btn_bg_normal: parse_hex_color(
+            buttons.and_then(|b| b.bg_color_normal.as_deref()).unwrap_or("91919175")
+        )?,
+        btn_bg_hover: parse_hex_color(
+            buttons.and_then(|b| b.bg_color_hover.as_deref()).unwrap_or("92929284")
+        )?,
+        btn_bg_clicked: parse_hex_color(
+            buttons.and_then(|b| b.bg_color_clicked.as_deref()).unwrap_or("9B9B9BAB")
+        )?,
+
+        option_icon_height: icon_height,
+        icon_font_size: icon_height * 80 / 100,
+        icon_font: SharedString::from("IosevkaTermSlab Nerd Font Mono"),
+        icon_font_color: Color::from_argb_encoded(0xFFFFFFFF),
+
+        option_text_height: text_height,
+        option_text_font_size: text_height * 45 / 100,
+        option_text_font: SharedString::from("IosevkaTermSlab Nerd Font Mono"),
+        option_text_color: Color::from_argb_encoded(0xFFFFFFFF),
+    };
+
+    let padding = menu.and_then(|m| m.padding_x).unwrap_or(20);
+    let spacing = menu.and_then(|m| m.button_spacing).unwrap_or(padding);
+
+    let menu_width =
+        menu.and_then(|m| m.width)
+            .unwrap_or(btn_width * 4 + spacing * 3 + padding * 2);
+
+    let menu_height =
+        menu.and_then(|m| m.height)
+            .unwrap_or(btn_height + padding * 2);
+
+    Ok(ResolvedConfig {
+        screen_width,
+        screen_height,
+        screen_bg,
+
+        button_style,
+
+        menu_padding_x: padding,
+        menu_padding_y: menu.and_then(|m| m.padding_y).unwrap_or(padding),
+        menu_spacing: spacing,
+        menu_border_radius: menu.and_then(|m| m.border_radius).unwrap_or(padding),
+
+        menu_width,
+        menu_height,
+        menu_pos_x: menu.and_then(|m| m.pos_x).unwrap_or((screen_width - menu_width) / 2),
+        menu_pos_y: menu.and_then(|m| m.pos_y).unwrap_or((screen_height - menu_height) / 2),
+        menu_bg: menu
+            .and_then(|m| m.bg_color.as_deref())
+            .map(parse_hex_color)
+            .transpose()?
+            .unwrap_or(Color::from_argb_encoded(0x287A7A7A)),
+
+        options: raw.options.unwrap_or_default(),
+    })
+}

src/main.rs

@@ -26,8 +26,10 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     slint::platform::set_platform(Box::new(backend))?;
 
-    let screen_width = 1920;
-    let screen_height = 1080;
+    let screen_width = 1366;
+    let screen_height = 768;
 
-    powermenu::run_power_menu(screen_width, screen_height)
+    let conf = config::load_config(screen_width, screen_height)?;
+
+    powermenu::run_power_menu(conf)
 }

src/powermenu.rs

@@ -1,84 +1,55 @@
 use slint::{Color, LogicalPosition, LogicalSize, SharedString};
+use crate::config::ResolvedConfig;
 
 slint::include_modules!();
 
+fn to_slint_button_style(
+    s: crate::config::ButtonStyleResolved,
+) -> ButtonStyle {
+    ButtonStyle {
+        btn_width: s.btn_width,
+        btn_height: s.btn_height,
+        btn_border_radius: s.btn_border_radius,
+
+        btn_bg_normal: s.btn_bg_normal,
+        btn_bg_hover: s.btn_bg_hover,
+        btn_bg_clicked: s.btn_bg_clicked,
+
+        option_icon_height: s.option_icon_height,
+        icon_font_size: s.icon_font_size,
+        icon_font: s.icon_font,
+        icon_font_color: s.icon_font_color,
+
+        option_text_height: s.option_text_height,
+        option_text_font_size: s.option_text_font_size,
+        option_text_font: s.option_text_font,
+        option_text_color: s.option_text_color,
+    }
+}
+
 pub fn run_power_menu(
-    screen_width: i32,
-    screen_height: i32,
+    cfg: ResolvedConfig
 ) -> Result<(), Box<dyn std::error::Error>> {
     let ui = PowerMenu::new()?;
 
-    let screen_bg = Color::from_argb_encoded(0x20A3A3A3);
+    let button_style = to_slint_button_style(cfg.button_style);
 
-    let btn_width = 120;
-    let btn_height = 120;
-    let btn_border_radius = 20;
+    ui.set_screen_width(cfg.screen_width);
+    ui.set_screen_height(cfg.screen_height);
 
-    let btn_bg_normal = Color::from_argb_encoded(0x75919191);
-    let btn_bg_hover = Color::from_argb_encoded(0x84929292);
-    let btn_bg_clicked = Color::from_argb_encoded(0xAB9B9B9B);
+    ui.set_screen_bg(cfg.screen_bg);
 
-    let option_icon_height = btn_height * 75 / 100;
-    let icon_font_size = option_icon_height * 80 / 100;
-    let icon_font = SharedString::from("IosevkaTermSlab Nerd Font Mono");
-    let icon_font_color = Color::from_argb_encoded(0xFFFFFFFF);
+    ui.set_menu_width(cfg.menu_width);
+    ui.set_menu_height(cfg.menu_height);
+    ui.set_menu_pos_x(cfg.menu_pos_x);
+    ui.set_menu_pos_y(cfg.menu_pos_y);
+    
+    ui.set_menu_padding_x(cfg.menu_padding_x);
+    ui.set_menu_padding_y(cfg.menu_padding_y);
+    ui.set_menu_spacing(cfg.menu_spacing);
+    ui.set_menu_border_radius(cfg.menu_border_radius);
 
-    let option_text_height = btn_height * 25 / 100;
-    let option_text_font_size = option_text_height * 45 / 100;
-    let option_text_font = SharedString::from("IosevkaTermSlab Nerd Font Mono");
-    let option_text_color = Color::from_argb_encoded(0xFFFFFFFF);
-
-    let button_style = ButtonStyle {
-        btn_width,
-        btn_height,
-        btn_border_radius,
-
-        btn_bg_normal,
-        btn_bg_hover,
-        btn_bg_clicked,
-
-        option_icon_height,
-        icon_font_size,
-        icon_font,
-        icon_font_color,
-
-        option_text_height,
-        option_text_font_size,
-        option_text_font,
-        option_text_color,
-    };
-
-    let menu_padding_x = 20;
-    let menu_padding_y = menu_padding_x;
-    let menu_spacing = menu_padding_x;
-    let menu_border_radius = menu_padding_x;
-
-    let menu_width = btn_width * 4 + menu_spacing * 3 + menu_padding_x * 2;
-
-    let menu_height = btn_height + menu_padding_y * 2;
-
-    let menu_pos_x = (screen_width - menu_width) / 2;
-    let menu_pos_y = (screen_height - menu_height) / 2;
-
-    let menu_bg = Color::from_argb_encoded(0x287A7A7A);
-
-    ui.set_screen_width(screen_width);
-    ui.set_screen_height(screen_height);
-
-    ui.set_screen_bg(screen_bg);
-
-    ui.set_menu_padding_x(menu_padding_x);
-    ui.set_menu_padding_y(menu_padding_y);
-    ui.set_menu_spacing(menu_spacing);
-    ui.set_menu_border_radius(menu_border_radius);
-
-    ui.set_menu_width(menu_width);
-    ui.set_menu_height(menu_height);
-
-    ui.set_menu_pos_x(menu_pos_x);
-    ui.set_menu_pos_y(menu_pos_y);
-
-    ui.set_menu_bg(menu_bg);
+    ui.set_menu_bg(cfg.menu_bg);
 
     ui.set_ico_lockscreen(SharedString::from(""));
     ui.set_ico_logout(SharedString::from(""));
@@ -93,10 +64,10 @@ pub fn run_power_menu(
     ui.set_button_style(button_style);
 
     ui.window()
-        .set_size(LogicalSize::new(screen_width as f32, screen_height as f32));
+        .set_size(LogicalSize::new(cfg.screen_width as f32, cfg.screen_height as f32));
     ui.window().set_position(LogicalPosition::new(0.0, 0.0));
 
     ui.run();
 
     Ok(())
-}
+}