feat: custom font argument

Cargo.lock

@@ -109,6 +109,34 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b6a852b24ab71dffc585bcb46eaf7959d175cb865a7152e35b348d1b2960422"
 
+[[package]]
+name = "cstr"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68523903c8ae5aacfa32a0d9ae60cadeb764e1da14ee0d26b1f3089f13a54636"
+dependencies = [
+ "proc-macro2",
+ "quote",
+]
+
+[[package]]
+name = "dlib"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "330c60081dcc4c72131f8eb70510f1ac07223e5d4163db481a04a0befcffa412"
+dependencies = [
+ "libloading",
+]
+
+[[package]]
+name = "fontconfig"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9b79b619a4ae048ea79e927376b1d10294979bda195b0c052fc958be96c62d9"
+dependencies = [
+ "yeslogic-fontconfig-sys",
+]
+
 [[package]]
 name = "fuzzy-matcher"
 version = "0.3.7"
@@ -151,17 +179,34 @@ version = "0.2.155"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
+[[package]]
+name = "libloading"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c2a198fb6b0eada2a8df47933734e6d35d350665a33a3593d7164fa52c75c19"
+dependencies = [
+ "cfg-if",
+ "windows-targets",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
+
 [[package]]
 name = "practicalrunner"
 version = "0.1.0"
 dependencies = [
  "clap",
+ "fontconfig",
  "fuzzy-matcher",
  "home",
  "sdl2",
@@ -325,3 +370,15 @@ name = "windows_x86_64_msvc"
 version = "0.52.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
+
+[[package]]
+name = "yeslogic-fontconfig-sys"
+version = "5.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffb6b23999a8b1a997bf47c7bb4d19ad4029c3327bb3386ebe0a5ff584b33c7a"
+dependencies = [
+ "cstr",
+ "dlib",
+ "once_cell",
+ "pkg-config",
+]

Cargo.toml

@@ -13,6 +13,7 @@ strip = true
 
 [dependencies]
 clap = { version = "4.5.4", features = ["derive"] }
+fontconfig = "0.8.0"
 fuzzy-matcher = "0.3.7"
 home = "0.5.9"
 sdl2 = { version = "0.36.0", features = ["ttf"] }

src/arguments.rs

@@ -11,6 +11,9 @@ pub struct Arguments {
     #[arg(short, long, help = "The menu's prompt message", default_value_t = String::from(""))]
     pub prompt: String,
 
+    #[arg(long, help = "The font to use for the menu.")]
+    pub font: Option<String>,
+
     #[arg(long, help = "The default font color", default_value_t = String::from(FONT_COLOR))]
     pub font_color: String,
 

src/config.rs

@@ -18,4 +18,5 @@ pub struct RunnerMenuSettings {
     pub font_size: u16,
     pub line_spacing: u16,
     pub display_index: Option<u8>,
+    pub font: Option<String>,
 }

src/main.rs

@@ -24,6 +24,7 @@ fn main() -> Result<(), Box<dyn Error>> {
         args.prompt,
         executables,
         RunnerMenuSettings {
+            font: args.font,
             font_color: args.font_color,
             font_color_active: args.font_color_active,
             background_color: args.background_color,

src/runner/mod.rs

@@ -13,7 +13,7 @@ use sdl2::{
 
 use crate::{
     config::{RunnerMenuSettings, PADDING},
-    utils::color_from_hex,
+    utils::{color_from_hex, get_font_path},
 };
 
 pub struct Runner {
@@ -22,6 +22,7 @@ pub struct Runner {
     context: Sdl,
     canvas: Canvas<Window>,
     ttf: ttf::Sdl2TtfContext,
+    font_path: String,
     input: String,
     window_size: (u32, u32),
     settings: RunnerMenuSettings,
@@ -33,15 +34,20 @@ impl Runner {
 
         let ttf = ttf::init().expect("Error creating SDL TTF context");
 
+        let font_path: String;
         let (window_width, window_height): (u32, u32);
         window_width = 480;
 
         {
-            let font_path = String::from("/usr/share/fonts/OTF/GeistMonoNerdFontMono-Regular.otf");
+            font_path = get_font_path(match settings.font {
+                Some(ref font_p) => font_p.clone(),
+                None => String::from("Monospace"),
+            })
+            .expect("Could not load fonts");
 
             let font = ttf
-                .load_font(font_path.clone(), settings.font_size)
+                .load_font(&font_path, settings.font_size)
-                .expect(&format!("Error loading font {}", font_path));
+                .expect(&format!("Error loading font {}", &font_path));
 
             window_height = (PADDING
                 + ((font.height() as u16 + settings.line_spacing) * (1 + settings.rows))
@@ -103,6 +109,7 @@ impl Runner {
             ttf,
             window_size: (window_width, window_height),
             settings,
+            font_path,
         }
     }
 
@@ -118,12 +125,10 @@ impl Runner {
         let font_color = color_from_hex(&self.settings.font_color).unwrap();
         let font_color_active = color_from_hex(&self.settings.font_color_active).unwrap();
 
-        let font_path = String::from("/usr/share/fonts/OTF/GeistMonoNerdFontMono-Regular.otf");
-
         let font = self
             .ttf
-            .load_font(font_path.clone(), self.settings.font_size)
+            .load_font(&self.font_path, self.settings.font_size)
-            .expect(&format!("Error loading font {}", font_path));
+            .expect(&format!("Error loading font {}", self.font_path));
 
         let creator = self.canvas.texture_creator();
 

src/utils.rs

@@ -1,8 +1,12 @@
+use fontconfig::Fontconfig;
 use sdl2::pixels::Color;
 
 #[derive(Debug, Clone)]
 pub struct ColorParseError;
 
+#[derive(Debug, Clone)]
+pub struct FontFetchError;
+
 pub fn color_from_hex(hex: &str) -> Result<Color, ColorParseError> {
     if hex.len() != 7 || hex.chars().nth(0).unwrap() != '#' {
         return Err(ColorParseError);
@@ -14,3 +18,17 @@ pub fn color_from_hex(hex: &str) -> Result<Color, ColorParseError> {
 
     Ok(Color::RGB(r, g, b))
 }
+
+pub fn get_font_path(font_name: String) -> Result<String, FontFetchError> {
+    let fc = Fontconfig::new().ok_or(FontFetchError)?;
+
+    let font = fc.find(&font_name, None).ok_or(FontFetchError)?;
+
+    let font_path = font
+        .path
+        .into_os_string()
+        .into_string()
+        .or(Err(FontFetchError))?;
+
+    Ok(font_path)
+}