add feature to exclude apps with certain ids

Cargo.lock

@@ -99,9 +99,9 @@ checksum = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 
 [[package]]
 name = "freedesktop_entry_parser"
-version = "1.0.0"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d5fcedb5da81703ad74294fa19b727d2bac8f773f00482e20c297912196c10d"
+checksum = "db5c69c16a5ac0988394d994f76d0f8fa0aa21224e33ac5b359379a1f173bed0"
 dependencies = [
  "nom",
  "thiserror",
@@ -641,9 +641,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.3.9"
+version = "1.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c3780fcf44b193bc4d09f36d2a3c87b251da4a046c87795a0d35f4f927ad8e6"
+checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -653,9 +653,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.18"
+version = "0.6.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26412eb97c6b088a6997e05f69403a802a92d520de2f8e63c2b65f9e0f47c4e8"
+checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
 
 [[package]]
 name = "ryu"
@@ -696,6 +696,7 @@ dependencies = [
  "libc",
  "locale-types",
  "pango",
+ "regex",
  "serde",
  "serde_derive",
  "toml",

Cargo.toml

@@ -5,7 +5,7 @@ authors = ["Dorian Rudolph"]
 edition = "2018"
 
 [dependencies]
-freedesktop_entry_parser = "1.0.0"
+freedesktop_entry_parser = "1.1.0"
 locale-types = "0.4.0"
 libc = "0.2.74"
 gtk-layer-shell = { git = "https://github.com/DorianRudolph/gtk-layer-shell-rs.git" }
@@ -21,6 +21,7 @@ xdg = "2.2.0"
 serde = "1.0.114"
 serde_derive = "1.0.114"
 toml = "0.5.6"
+regex = "1.4.2"
 
 [profile.release]
 lto = true

sample-config/default-config.toml

@@ -35,6 +35,12 @@ hide_extra_if_contained = true # hide extra field if it is already contained in
 
 hidden_fields = [] # list of fields considered for search but hidden
 
+exclude = [] # list of regexes for excluded app ids (name of the .desktop file)
+
+# prefix for running commands instead of launching an app (e.g., `:xeyes` to launch xeyes)
+# use "" to disable launching commands
+command_prefix = ":"
+
 # specify name overrides (id is the name of the desktop file)
 [name_overrides]
 # id = "name\rextra"hide_extra_if_contained

src/app_entry.rs

@@ -26,6 +26,7 @@ use gio::{AppInfo, AppInfoExt};
 use glib::shell_unquote;
 use futures::prelude::*;
 use super::{clone, consts::*, Config, Field};
+use regex::RegexSet;
 
 pub struct AppEntry {
     pub display_string: String,
@@ -105,6 +106,7 @@ pub fn load_entries(config: &Config) -> HashMap<ListBoxRow, AppEntry> {
     let icon_theme = IconTheme::get_default().unwrap();
     let apps = gio::AppInfo::get_all();
     let main_context = glib::MainContext::default();
+    let exclude = RegexSet::new(&config.exclude).expect("Invalid regex");
 
     for app in apps {
         let name = match app.get_display_name() {
@@ -112,6 +114,12 @@ pub fn load_entries(config: &Config) -> HashMap<ListBoxRow, AppEntry> {
             _=> continue
         };
 
+        if let Some(id) = app.get_id().map(|s| s.to_string()) {
+            if exclude.is_match(&id) {
+                continue
+            }
+        }
+
         let (display_string, extra_range) = if let Some(name) 
                 = get_app_field(&app, Field::Id).and_then(|id| config.name_overrides.get(&id)) {
             let i = name.find('\r');

src/config.rs

@@ -66,7 +66,8 @@ make_config!(Config {
     hidden_fields: Vec<Field> = (Vec::new()) "hidden_fields",
     name_overrides: HashMap<String, String> = (HashMap::new()) "name_overrides",
     hide_extra_if_contained: bool = (true) "hide_extra_if_contained",
-    command_prefix: String = (":".into()) "command_prefix"
+    command_prefix: String = (":".into()) "command_prefix",
+    exclude: Vec<String> = (Vec::new()) "exclude"
 });
 
 fn deserialize_markup<'de, D>(deserializer: D) -> Result<Vec<Attribute>, D::Error>