feat: add web search provider and fix calculator

Web Search Provider:
- Type "? query" or "web query" to search the web
- Configurable search engine (duckduckgo, google, bing, startpage, etc.)
- Custom URL templates with {query} placeholder supported
- Opens browser via xdg-open

Calculator Fixes:
- Support "=5+3" without space (previously required "= 5+3")
- :calc mode now evaluates raw expressions directly
- Added looks_like_expression() for better detection

New config options:
- providers.websearch = true
- providers.search_engine = "duckduckgo"

UI updates:
- Added :web and :search prefixes
- Web badge with teal styling
- Updated hints bar to show "? web" syntax

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Cargo.lock

@@ -971,7 +971,7 @@ checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
 
 [[package]]
 name = "owlry"
-version = "0.1.9"
+version = "0.2.0"
 dependencies = [
  "chrono",
  "clap",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "owlry"
-version = "0.1.9"
+version = "0.2.0"
 edition = "2024"
 rust-version = "1.90"
 description = "A lightweight, owl-themed application launcher for Wayland"

config.example.toml

@@ -48,3 +48,9 @@ calculator = true
 # Frecency: boost frequently/recently used items in search results
 frecency = true
 frecency_weight = 0.3  # 0.0 = disabled, 1.0 = strong boost
+
+# Web search provider (type "? query" or "web query")
+websearch = true
+# Options: google, duckduckgo, bing, startpage, searxng, brave, ecosia
+# Or custom URL with {query} placeholder, e.g. "https://search.example.com/?q={query}"
+search_engine = "duckduckgo"

resources/base.css

@@ -126,6 +126,11 @@
     color: var(--owlry-badge-uuctl, @orange_3);
 }
 
+.owlry-badge-web {
+    background-color: alpha(var(--owlry-badge-web, @teal_3), 0.2);
+    color: var(--owlry-badge-web, @teal_3);
+}
+
 /* Header bar */
 .owlry-header {
     margin-bottom: 4px;
@@ -195,6 +200,12 @@
     border-color: alpha(var(--owlry-badge-dmenu, @green_3), 0.4);
 }
 
+.owlry-filter-web:checked {
+    background-color: alpha(var(--owlry-badge-web, @teal_3), 0.2);
+    color: var(--owlry-badge-web, @teal_3);
+    border-color: alpha(var(--owlry-badge-web, @teal_3), 0.4);
+}
+
 /* Hints bar at bottom */
 .owlry-hints {
     padding-top: 8px;

src/app.rs

@@ -40,7 +40,8 @@ impl OwlryApp {
         debug!("Activating Owlry");
 
         let config = Rc::new(RefCell::new(Config::load_or_default()));
-        let providers = Rc::new(RefCell::new(ProviderManager::new()));
+        let search_engine = config.borrow().providers.search_engine.clone();
+        let providers = Rc::new(RefCell::new(ProviderManager::with_search_engine(&search_engine)));
         let frecency = Rc::new(RefCell::new(FrecencyStore::load_or_default()));
 
         // Create filter from CLI args and config

src/config/mod.rs

@@ -39,6 +39,7 @@ pub struct ThemeColors {
     pub badge_cmd: Option<String>,
     pub badge_dmenu: Option<String>,
     pub badge_uuctl: Option<String>,
+    pub badge_web: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -69,6 +70,18 @@ pub struct ProvidersConfig {
     /// Weight for frecency boost (0.0 = disabled, 1.0 = strong boost)
     #[serde(default = "default_frecency_weight")]
     pub frecency_weight: f64,
+    /// Enable web search provider (? query or web query)
+    #[serde(default = "default_true")]
+    pub websearch: bool,
+    /// Search engine for web search
+    /// Options: google, duckduckgo, bing, startpage, searxng, brave, ecosia
+    /// Or custom URL with {query} placeholder
+    #[serde(default = "default_search_engine")]
+    pub search_engine: String,
+}
+
+fn default_search_engine() -> String {
+    "duckduckgo".to_string()
 }
 
 fn default_true() -> bool {
@@ -193,6 +206,8 @@ impl Default for Config {
                 calculator: true,
                 frecency: true,
                 frecency_weight: 0.3,
+                websearch: true,
+                search_engine: "duckduckgo".to_string(),
             },
         }
     }

src/filter.rs

@@ -134,6 +134,8 @@ impl ProviderFilter {
             (":cmd ", ProviderType::Command),
             (":command ", ProviderType::Command),
             (":uuctl ", ProviderType::Uuctl),
+            (":web ", ProviderType::WebSearch),
+            (":search ", ProviderType::WebSearch),
         ];
 
         for (prefix_str, provider) in prefixes {
@@ -154,6 +156,8 @@ impl ProviderFilter {
             (":cmd", ProviderType::Command),
             (":command", ProviderType::Command),
             (":uuctl", ProviderType::Uuctl),
+            (":web", ProviderType::WebSearch),
+            (":search", ProviderType::WebSearch),
         ];
 
         for (prefix_str, provider) in partial_prefixes {
@@ -179,7 +183,8 @@ impl ProviderFilter {
             ProviderType::Calculator => 1,
             ProviderType::Command => 2,
             ProviderType::Uuctl => 3,
-            ProviderType::Dmenu => 4,
+            ProviderType::WebSearch => 4,
+            ProviderType::Dmenu => 5,
         });
         providers
     }
@@ -192,6 +197,7 @@ impl ProviderFilter {
                 ProviderType::Calculator => "Calc",
                 ProviderType::Command => "Commands",
                 ProviderType::Uuctl => "uuctl",
+                ProviderType::WebSearch => "Web",
                 ProviderType::Dmenu => "dmenu",
             };
         }
@@ -203,6 +209,7 @@ impl ProviderFilter {
                 ProviderType::Calculator => "Calc",
                 ProviderType::Command => "Commands",
                 ProviderType::Uuctl => "uuctl",
+                ProviderType::WebSearch => "Web",
                 ProviderType::Dmenu => "dmenu",
             }
         } else {

src/providers/calculator.rs

@@ -18,14 +18,17 @@ impl CalculatorProvider {
     /// Check if a query is a calculator expression
     pub fn is_calculator_query(query: &str) -> bool {
         let trimmed = query.trim();
-        trimmed.starts_with("= ") || trimmed.starts_with("calc ")
+        trimmed.starts_with("=") || trimmed.starts_with("calc ")
     }
 
     /// Extract the expression from a calculator query
     fn extract_expression(query: &str) -> Option<&str> {
         let trimmed = query.trim();
+        // Support both "= expr" and "=expr" (with or without space)
         if let Some(expr) = trimmed.strip_prefix("= ") {
             Some(expr.trim())
+        } else if let Some(expr) = trimmed.strip_prefix("=") {
+            Some(expr.trim())
         } else if let Some(expr) = trimmed.strip_prefix("calc ") {
             Some(expr.trim())
         } else {
@@ -33,6 +36,49 @@ impl CalculatorProvider {
         }
     }
 
+    /// Check if string looks like a math expression (for :calc mode)
+    pub fn looks_like_expression(query: &str) -> bool {
+        let trimmed = query.trim();
+        if trimmed.is_empty() {
+            return false;
+        }
+        // Contains math operators or is a number
+        trimmed.chars().any(|c| "+-*/^()".contains(c))
+            || trimmed.parse::<f64>().is_ok()
+            || ["pi", "e", "sqrt", "sin", "cos", "tan", "abs", "ln", "log"]
+                .iter()
+                .any(|f| trimmed.to_lowercase().contains(f))
+    }
+
+    /// Evaluate a raw expression (for :calc filter mode)
+    pub fn evaluate_raw(&mut self, expr: &str) -> Option<LaunchItem> {
+        let trimmed = expr.trim();
+        if trimmed.is_empty() {
+            return None;
+        }
+
+        match meval::eval_str(trimmed) {
+            Ok(result) => {
+                let result_str = if result.fract() == 0.0 && result.abs() < 1e15 {
+                    format!("{}", result as i64)
+                } else {
+                    format!("{:.10}", result).trim_end_matches('0').trim_end_matches('.').to_string()
+                };
+
+                Some(LaunchItem {
+                    id: format!("calc:{}", trimmed),
+                    name: format!("{} = {}", trimmed, result_str),
+                    description: Some("Press Enter to copy result".to_string()),
+                    icon: Some("accessories-calculator".to_string()),
+                    provider: ProviderType::Calculator,
+                    command: format!("echo -n '{}' | wl-copy", result_str),
+                    terminal: false,
+                })
+            }
+            Err(_) => None,
+        }
+    }
+
     /// Evaluate an expression and return a LaunchItem result
     pub fn evaluate(&mut self, query: &str) -> Option<LaunchItem> {
         let expr = Self::extract_expression(query)?;

src/providers/mod.rs

@@ -3,12 +3,14 @@ mod calculator;
 mod command;
 mod dmenu;
 mod uuctl;
+mod websearch;
 
 pub use application::ApplicationProvider;
 pub use calculator::CalculatorProvider;
 pub use command::CommandProvider;
 pub use dmenu::DmenuProvider;
 pub use uuctl::UuctlProvider;
+pub use websearch::WebSearchProvider;
 
 use fuzzy_matcher::FuzzyMatcher;
 use fuzzy_matcher::skim::SkimMatcherV2;
@@ -36,6 +38,7 @@ pub enum ProviderType {
     Command,
     Dmenu,
     Uuctl,
+    WebSearch,
 }
 
 impl std::str::FromStr for ProviderType {
@@ -48,6 +51,7 @@ impl std::str::FromStr for ProviderType {
             "cmd" | "command" | "commands" => Ok(ProviderType::Command),
             "uuctl" => Ok(ProviderType::Uuctl),
             "dmenu" => Ok(ProviderType::Dmenu),
+            "web" | "websearch" | "search" => Ok(ProviderType::WebSearch),
             _ => Err(format!(
                 "Unknown provider: '{}'. Valid: app, calc, cmd, uuctl",
                 s
@@ -64,6 +68,7 @@ impl std::fmt::Display for ProviderType {
             ProviderType::Command => write!(f, "cmd"),
             ProviderType::Dmenu => write!(f, "dmenu"),
             ProviderType::Uuctl => write!(f, "uuctl"),
+            ProviderType::WebSearch => write!(f, "web"),
         }
     }
 }
@@ -81,14 +86,21 @@ pub trait Provider: Send {
 pub struct ProviderManager {
     providers: Vec<Box<dyn Provider>>,
     calculator: CalculatorProvider,
+    websearch: WebSearchProvider,
     matcher: SkimMatcherV2,
 }
 
 impl ProviderManager {
+    #[allow(dead_code)]
     pub fn new() -> Self {
+        Self::with_search_engine("duckduckgo")
+    }
+
+    pub fn with_search_engine(search_engine: &str) -> Self {
         let mut manager = Self {
             providers: Vec::new(),
             calculator: CalculatorProvider::new(),
+            websearch: WebSearchProvider::with_engine(search_engine),
             matcher: SkimMatcherV2::default(),
         };
 
@@ -229,15 +241,31 @@ impl ProviderManager {
     ) -> Vec<(LaunchItem, i64)> {
         let mut results: Vec<(LaunchItem, i64)> = Vec::new();
 
-        // Check for calculator query first
+        // Check for calculator query (= or calc prefix)
         if CalculatorProvider::is_calculator_query(query) {
             if let Some(calc_result) = self.calculator.evaluate(query) {
                 // Calculator results get a high score to appear first
                 results.push((calc_result, 10000));
             }
         }
+        // Also check for raw expression when in :calc filter mode
+        else if filter.active_prefix() == Some(ProviderType::Calculator)
+            && CalculatorProvider::looks_like_expression(query)
+        {
+            if let Some(calc_result) = self.calculator.evaluate_raw(query) {
+                results.push((calc_result, 10000));
+            }
+        }
 
-        // Empty query (after checking calculator) - return frecency-sorted items
+        // Check for web search query
+        if WebSearchProvider::is_websearch_query(query) {
+            if let Some(web_result) = self.websearch.evaluate(query) {
+                // Web search results get a high score to appear first
+                results.push((web_result, 9000));
+            }
+        }
+
+        // Empty query (after checking special providers) - return frecency-sorted items
         if query.is_empty() {
             let mut items: Vec<(LaunchItem, i64)> = self
                 .providers

src/providers/websearch.rs

@@ -0,0 +1,185 @@
+use crate::providers::{LaunchItem, ProviderType};
+
+/// Common search engine URL templates
+/// {query} is replaced with the URL-encoded search term
+pub const SEARCH_ENGINES: &[(&str, &str)] = &[
+    ("google", "https://www.google.com/search?q={query}"),
+    ("duckduckgo", "https://duckduckgo.com/?q={query}"),
+    ("bing", "https://www.bing.com/search?q={query}"),
+    ("startpage", "https://www.startpage.com/search?q={query}"),
+    ("searxng", "https://searx.be/search?q={query}"),
+    ("brave", "https://search.brave.com/search?q={query}"),
+    ("ecosia", "https://www.ecosia.org/search?q={query}"),
+];
+
+/// Default search engine if not configured
+pub const DEFAULT_ENGINE: &str = "duckduckgo";
+
+/// Web search provider - opens browser with search query
+pub struct WebSearchProvider {
+    /// URL template with {query} placeholder
+    url_template: String,
+}
+
+impl WebSearchProvider {
+    #[allow(dead_code)]
+    pub fn new() -> Self {
+        Self::with_engine(DEFAULT_ENGINE)
+    }
+
+    /// Create provider with specific search engine
+    pub fn with_engine(engine_name: &str) -> Self {
+        let url_template = SEARCH_ENGINES
+            .iter()
+            .find(|(name, _)| *name == engine_name.to_lowercase())
+            .map(|(_, url)| url.to_string())
+            .unwrap_or_else(|| {
+                // If not a known engine, treat it as a custom URL template
+                if engine_name.contains("{query}") {
+                    engine_name.to_string()
+                } else {
+                    // Fall back to default
+                    SEARCH_ENGINES
+                        .iter()
+                        .find(|(name, _)| *name == DEFAULT_ENGINE)
+                        .map(|(_, url)| url.to_string())
+                        .unwrap()
+                }
+            });
+
+        Self { url_template }
+    }
+
+    /// Check if query is a web search query
+    /// Triggers on: `? query`, `web query`, `search query`
+    pub fn is_websearch_query(query: &str) -> bool {
+        let trimmed = query.trim();
+        trimmed.starts_with("? ")
+            || trimmed.starts_with("?")
+            || trimmed.to_lowercase().starts_with("web ")
+            || trimmed.to_lowercase().starts_with("search ")
+    }
+
+    /// Extract the search term from the query
+    fn extract_search_term(query: &str) -> Option<&str> {
+        let trimmed = query.trim();
+
+        if let Some(rest) = trimmed.strip_prefix("? ") {
+            Some(rest.trim())
+        } else if let Some(rest) = trimmed.strip_prefix("?") {
+            Some(rest.trim())
+        } else if trimmed.to_lowercase().starts_with("web ") {
+            // Need to get the original casing
+            Some(trimmed[4..].trim())
+        } else if trimmed.to_lowercase().starts_with("search ") {
+            Some(trimmed[7..].trim())
+        } else {
+            None
+        }
+    }
+
+    /// URL-encode a search query
+    fn url_encode(query: &str) -> String {
+        // TODO: This is where you can implement the URL encoding logic!
+        // Consider: Should we use a crate like `urlencoding` or implement manually?
+        // Manual encoding needs to handle: spaces, &, =, ?, #, etc.
+        query
+            .chars()
+            .map(|c| match c {
+                ' ' => "+".to_string(),
+                '&' => "%26".to_string(),
+                '=' => "%3D".to_string(),
+                '?' => "%3F".to_string(),
+                '#' => "%23".to_string(),
+                '+' => "%2B".to_string(),
+                '%' => "%25".to_string(),
+                c if c.is_ascii_alphanumeric() || "-_.~".contains(c) => c.to_string(),
+                c => format!("%{:02X}", c as u32),
+            })
+            .collect()
+    }
+
+    /// Build the search URL from a query
+    fn build_search_url(&self, search_term: &str) -> String {
+        let encoded = Self::url_encode(search_term);
+        self.url_template.replace("{query}", &encoded)
+    }
+
+    /// Evaluate a web search query and return a LaunchItem if valid
+    pub fn evaluate(&self, query: &str) -> Option<LaunchItem> {
+        let search_term = Self::extract_search_term(query)?;
+
+        if search_term.is_empty() {
+            return None;
+        }
+
+        let url = self.build_search_url(search_term);
+
+        // Use xdg-open to open the browser
+        let command = format!("xdg-open '{}'", url);
+
+        Some(LaunchItem {
+            id: format!("websearch:{}", search_term),
+            name: format!("Search: {}", search_term),
+            description: Some("Open in browser".to_string()),
+            icon: Some("web-browser".to_string()),
+            provider: ProviderType::WebSearch,
+            command,
+            terminal: false,
+        })
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_is_websearch_query() {
+        assert!(WebSearchProvider::is_websearch_query("? rust programming"));
+        assert!(WebSearchProvider::is_websearch_query("?rust"));
+        assert!(WebSearchProvider::is_websearch_query("web rust"));
+        assert!(WebSearchProvider::is_websearch_query("search rust"));
+        assert!(!WebSearchProvider::is_websearch_query("rust"));
+        assert!(!WebSearchProvider::is_websearch_query("= 5+3"));
+    }
+
+    #[test]
+    fn test_extract_search_term() {
+        assert_eq!(
+            WebSearchProvider::extract_search_term("? rust programming"),
+            Some("rust programming")
+        );
+        assert_eq!(
+            WebSearchProvider::extract_search_term("?rust"),
+            Some("rust")
+        );
+        assert_eq!(
+            WebSearchProvider::extract_search_term("web rust docs"),
+            Some("rust docs")
+        );
+    }
+
+    #[test]
+    fn test_url_encode() {
+        assert_eq!(WebSearchProvider::url_encode("hello world"), "hello+world");
+        assert_eq!(WebSearchProvider::url_encode("foo&bar"), "foo%26bar");
+        assert_eq!(WebSearchProvider::url_encode("a=b"), "a%3Db");
+    }
+
+    #[test]
+    fn test_build_search_url() {
+        let provider = WebSearchProvider::with_engine("duckduckgo");
+        let url = provider.build_search_url("rust programming");
+        assert_eq!(url, "https://duckduckgo.com/?q=rust+programming");
+    }
+
+    #[test]
+    fn test_evaluate() {
+        let provider = WebSearchProvider::new();
+        let item = provider.evaluate("? rust docs").unwrap();
+        assert_eq!(item.name, "Search: rust docs");
+        assert!(item.command.contains("xdg-open"));
+        assert!(item.command.contains("duckduckgo"));
+    }
+}

src/theme.rs

@@ -47,6 +47,9 @@ pub fn generate_variables_css(config: &AppearanceConfig) -> String {
     if let Some(ref badge_uuctl) = config.colors.badge_uuctl {
         css.push_str(&format!("    --owlry-badge-uuctl: {};\n", badge_uuctl));
     }
+    if let Some(ref badge_web) = config.colors.badge_web {
+        css.push_str(&format!("    --owlry-badge-web: {};\n", badge_web));
+    }
 
     css.push_str("}\n");
     css

src/ui/main_window.rs

@@ -143,7 +143,7 @@ impl MainWindow {
         hints_box.add_css_class("owlry-hints");
 
         let hints_label = Label::builder()
-            .label("Tab: cycle mode  ↑↓: navigate  Enter: launch  Esc: close  = calc  :app :cmd :uuctl")
+            .label("Tab: cycle mode  ↑↓: navigate  Enter: launch  Esc: close  = calc  ? web  :app :cmd")
             .halign(gtk4::Align::Center)
             .hexpand(true)
             .build();
@@ -209,6 +209,7 @@ impl MainWindow {
                 ProviderType::Calculator => "owlry-filter-calc",
                 ProviderType::Command => "owlry-filter-cmd",
                 ProviderType::Uuctl => "owlry-filter-uuctl",
+                ProviderType::WebSearch => "owlry-filter-web",
                 ProviderType::Dmenu => "owlry-filter-dmenu",
             };
             button.add_css_class(css_class);
@@ -229,6 +230,7 @@ impl MainWindow {
                 ProviderType::Calculator => "calculator",
                 ProviderType::Command => "commands",
                 ProviderType::Uuctl => "uuctl units",
+                ProviderType::WebSearch => "web",
                 ProviderType::Dmenu => "options",
             })
             .collect();
@@ -334,7 +336,7 @@ impl MainWindow {
 
         // Restore UI
         mode_label.set_label(filter.borrow().mode_display_name());
-        hints_label.set_label("Tab: cycle mode  ↑↓: navigate  Enter: launch  Esc: close  = calc  :app :cmd :uuctl");
+        hints_label.set_label("Tab: cycle mode  ↑↓: navigate  Enter: launch  Esc: close  = calc  ? web  :app :cmd");
         search_entry.set_placeholder_text(Some(&Self::build_placeholder(&filter.borrow())));
         search_entry.set_text(&saved_search);
 
@@ -411,6 +413,7 @@ impl MainWindow {
                     ProviderType::Calculator => "calculator",
                     ProviderType::Command => "commands",
                     ProviderType::Uuctl => "uuctl units",
+                    ProviderType::WebSearch => "web",
                     ProviderType::Dmenu => "options",
                 };
                 search_entry_for_change

src/ui/result_row.rs

@@ -36,6 +36,7 @@ impl ResultRow {
                 crate::providers::ProviderType::Command => "utilities-terminal",
                 crate::providers::ProviderType::Dmenu => "view-list-symbolic",
                 crate::providers::ProviderType::Uuctl => "system-run",
+                crate::providers::ProviderType::WebSearch => "web-browser",
             };
             Image::from_icon_name(default_icon)
         };