Lua host, mark match indices in results

Cargo.lock

@@ -64,6 +64,15 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0d8c1fef690941d3e7788d328517591fecc684c084084702d6ff1641e993699a"
 
+[[package]]
+name = "bstr"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a40b47ad93e1a5404e6c18dec46b628214fee441c70f4ab5d6942142cc268a3d"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.7.1"
@@ -640,6 +649,24 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "lua-src"
+version = "543.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b72914332bf1ef0e1185b229135d639f11a4a8ccfd32852db8e52419c04c0247"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "luajit-src"
+version = "210.2.0+resty5f13855"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49f85722ea9e022305a077b916c9271011a195ee8dc9b2b764fc78b0378e3b72"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "malloc_buf"
 version = "0.0.6"
@@ -701,6 +728,21 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "mlua"
+version = "0.6.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4235d7e740d73d7429df6f176c81b248f05c39d67264d45a7d8cecb67c227f6f"
+dependencies = [
+ "bstr",
+ "cc",
+ "lua-src",
+ "luajit-src",
+ "num-traits",
+ "once_cell",
+ "pkg-config",
+]
+
 [[package]]
 name = "ndk"
 version = "0.3.0"
@@ -792,6 +834,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.13.0"
@@ -1025,6 +1076,7 @@ dependencies = [
  "freedesktop_entry_parser",
  "fuzzy-matcher",
  "log",
+ "mlua",
  "rayon",
  "walkdir",
  "winit",

Cargo.toml

@@ -20,3 +20,4 @@ fuzzy-matcher = "0.3.7"
 
 walkdir = "2.3.2"
 freedesktop_entry_parser = "1.2.0"
+mlua = { version = "0.6", features = ["lua54", "vendored"] }

lua/date.lua

@@ -0,0 +1,13 @@
+local date = require "date"
+-- prints all FRIDAY the 13TH dates between year 2000 and 2010
+for i = 2000, 2010 do
+        -- year jan 1
+        x = date(i, 1, 1)
+        -- from january to december
+        for j = 1, 12 do
+                -- set date to 13, check if friday
+                if x:setmonth(j, 13):getweekday() == 6 then
+                        print(x:fmt("%A, %B %d %Y"))
+                end
+        end
+end

lua/hello.lua

@@ -0,0 +1 @@
+print("Hello World")

lua/ui.lua

@@ -0,0 +1,69 @@
+local lwtk = require("lwtk")
+
+local Application    = lwtk.Application
+local Column         = lwtk.Column
+local Row            = lwtk.Row
+local PushButton     = lwtk.PushButton
+local TextInput      = lwtk.TextInput
+local TitleText      = lwtk.TitleText
+local Space          = lwtk.Space
+
+local app = Application("example01.lua")
+
+local function quit()
+    app:close()
+end
+
+local win = app:newWindow {
+    title = "example01",
+    Column {
+        id = "c1",
+        TitleText { text = "What's your name?" },
+        TextInput { id = "i1", focus = true, style = { Columns = 40 } },
+        Row {
+            Space {},
+            PushButton { id = "b1", text = "&OK",   disabled = true, 
+                                                    default  = true },
+
+            PushButton { id = "b2", text = "&Quit", onClicked = quit },
+            Space {}
+        }
+    },
+    Column {
+        id = "c2",
+        visible = false,
+        Space {},
+        TitleText { id = "t2", style = { TextAlign = "center" } },
+        Space {},
+        Row {
+            Space {},
+            PushButton { id = "b3", text = "&Again" },
+
+            PushButton { id = "b4", text = "&Quit", default = true,
+                                                    onClicked = quit },
+            Space {}
+        }
+    }
+}
+
+win:childById("c1"):setOnInputChanged(function(widget, input)
+    widget:childById("b1"):setDisabled(input.text == "")
+end)
+
+win:childById("b1"):setOnClicked(function(widget)
+    win:childById("t2"):setText("Hello "..win:childById("i1").text.."!") 
+    win:childById("c1"):setVisible(false)
+    win:childById("c2"):setVisible(true)
+end)
+
+win:childById("b3"):setOnClicked(function(widget)
+    win:childById("i1"):setText("")
+    win:childById("i1"):setFocus()
+    win:childById("t2"):setText("")
+    win:childById("c1"):setVisible(true)
+    win:childById("c2"):setVisible(false)
+end)
+
+win:show()
+
+app:runEventLoop()

src/main.rs

@@ -23,6 +23,7 @@ fn main() -> Result<(), Box<dyn Error>> {
         .add_source(sources::TestSource::new("ts1"))
         .add_source(sources::Window::new())
         .add_source(sources::Apps::new())
+        .add_source(sources::LuaHost::new())
         .with_matcher(SkimMatcher::new());
 
     debug!{"Source roftl sources"}

src/roftl.rs

@@ -73,7 +73,7 @@ impl Roftl {
         debug!("Entries {:?}", self.entries);
     }
 
-    pub fn narrow(&self, input: &str) -> Vec<&Entry> {
+    pub fn narrow(&self, input: &str) -> Vec<(&Entry, Vec<usize>)> {
         let count = Arc::new(AtomicUsize::new(0));
         self.narrow_map.lock().unwrap().clear();
 
@@ -97,12 +97,12 @@ impl Roftl {
 
         scored_entries
             .par_iter()
-            .map(|se| se.2)
+            .map(|se| (se.2, se.3.clone()))
             .collect()
     }
 
     pub fn action(&self, entry_id: usize, action: Action) {
-        println!("NarrowMap {:?}", self.narrow_map.lock().unwrap());
+        debug!{"NarrowMap {:?}", self.narrow_map.lock().unwrap()};
 
         let real_id = *self.narrow_map.lock().unwrap().get(&entry_id).unwrap();
         let entry = self.entries.get(real_id).unwrap();

src/sources/apps.rs

@@ -4,12 +4,55 @@ use walkdir::WalkDir;
 
 use crate::roftl::{Action, Entry, Source};
 
-pub struct Apps {}
+#[derive(Debug)]
+struct App {
+    name: String,
+    command: String,
+}
+
+impl From<&App> for Entry
+{
+    fn from(app: &App) -> Self {
+        Entry {
+            name: app.name.clone(),
+            description: "".into(),
+            source: "apps",
+            identifier: 0
+        }
+    }
+}
+
+#[derive(Default, Debug)]
+struct AppBuilder<'a> {
+    name: Option<&'a str>,
+    exec: Option<&'a str>,
+    hidden: Option<&'a str>
+}
+
+impl<'a> AppBuilder<'a>
+{
+    fn build(&self) -> Option<App>
+    {
+        if self.name.is_none() { return None }
+        if self.exec.is_none() { return None }
+        if self.hidden.is_some() { return None }
+
+        Some (
+            App {
+                name: self.name.unwrap().into(),
+                command: self.exec.unwrap().into()
+            })
+    }
+}
+
+pub struct Apps {
+    entries: Vec<App>
+}
 
 impl Apps {
     pub fn new() -> Box<Apps>
     {
-        Box::new(Apps{})
+        Box::new(Apps{entries: vec![]})
     }
 }
 
@@ -35,26 +78,43 @@ impl Source for Apps {
             .collect();
 
         let mut entries: Vec<Entry> = vec![];
+        let mut idx: u64 = 0;
         for entry in desktop_entries {
-            match entry.section("Desktop Entry").attr("Name")
-            {
-                Some(name) => entries.push(
-                    Entry{name: name.clone().into(),
-                          description: "".into(),
-                          source: self.name(),
-                          identifier: 0}
-                ),
+            let mut app_builder = AppBuilder::default();
+            let section = entry.section("Desktop Entry");
 
-                None => continue
+            for attr in section.attrs()
+            {
+                match attr.name
+                {
+                    "Name" => app_builder.name = attr.value,
+                    "Exec" => app_builder.exec = attr.value,
+                    "Hidden" => app_builder.hidden = attr.value,
+                    _ => ()
                 }
             }
 
+            if let Some(app) = app_builder.build()
+            {
+                let mut entry: Entry = (&app).into();
+                entry.identifier = idx;
+                idx += 1;
+                entries.push(entry);
+                self.entries.push(app);
+            }
+
+        }
+
         debug!{"Got desktop entries: {:?}", entries}
 
         entries
     }
 
     fn action(&self, entry: &Entry, action: Action) {
-        todo!()
+        debug!{"Got desktop entry {:?} for action", entry}
+        debug!{"Desktop entry has id {}", entry.identifier}
+        debug!{"Apps has entries {:?}", self.entries}
+        let app = self.entries.get(entry.identifier as usize).unwrap();
+        debug!{"Doing primary action {} for {}", app.name, app.command}
     }
 }

src/sources/luahost.rs

@@ -0,0 +1,56 @@
+use std::path::PathBuf;
+use mlua::prelude::*;
+
+use log::debug;
+use walkdir::WalkDir;
+
+use crate::roftl::{Entry, Source, Action};
+
+pub struct LuaHost {
+    scripts: Vec<PathBuf>,
+}
+
+impl LuaHost {
+    pub fn new() -> Box<LuaHost> {
+       Box::new(LuaHost{ scripts: vec![] })
+    }
+}
+
+impl Source for LuaHost {
+    fn name(&self) -> &'static str {
+        "lua"
+    }
+
+    fn entries(&mut self) -> Vec<Entry> {
+        // TODO read from config
+        let script_path = "/home/armin/dev/incubator/roftl/lua";
+
+        let scripts: Vec<PathBuf> = WalkDir::new(script_path).into_iter()
+            .map(|e| e.unwrap().path().to_path_buf())
+            .collect();
+
+        let mut entries: Vec<Entry> = vec![];
+        for (idx, script) in scripts.iter().enumerate() {
+            entries.push(
+                Entry {
+                    source: self.name(),
+                    name: script.file_stem().unwrap().to_str().unwrap().into(),
+                    description: "".into(),
+                    identifier: idx as u64
+                });
+        }
+        self.scripts = scripts;
+        entries
+    }
+
+    fn action(&self, entry: &Entry, action: Action) {
+        let script = self.scripts.get(entry.identifier as usize).unwrap();
+        debug!{"Got script {:?}", script};
+
+        let script_content = std::fs::read_to_string(script).unwrap();
+        let lua = Lua::new();
+        lua.load(&script_content).exec().unwrap();
+
+        debug!{"Executed {:?}", script};
+    }
+}

src/sources/mod.rs

@@ -6,3 +6,6 @@ pub use windows::Window;
 
 mod apps;
 pub use apps::Apps;
+
+mod luahost;
+pub use luahost::LuaHost;

src/ui/painter.rs

@@ -103,7 +103,7 @@ impl<'a> Painter<'a> {
         ctx.show_text(input).unwrap();
     }
 
-    pub fn result_box<T>(&self, x: T, y: T, result: &'a str, selected: bool)
+    pub fn result_box<T>(&self, x: T, y: T, result: &'a str, indices: &[usize], selected: bool)
     where T: Into<f64>
     {
         let ctx = self.context;
@@ -117,14 +117,22 @@ impl<'a> Painter<'a> {
         ctx.fill().unwrap();
 
         // draw text
-        ctx.select_font_face ("serif", cairo::FontSlant::Normal, cairo::FontWeight::Normal);
         let font_size = self.device_to_user(self.theme.result_font_size);
         ctx.set_font_size(font_size);
         let (r,g,b,a) = if selected { self.theme.result_font_selected }
                         else        { self.theme.result_font_color };
         ctx.set_source_rgba(r,g,b,a);
         ctx.move_to (x+0.2, y+0.8);
-        ctx.show_text(result).unwrap();
+
+        for i in 0..result.len() {
+            if indices.contains(&i) {
+                ctx.select_font_face ("serif", cairo::FontSlant::Normal, cairo::FontWeight::Bold);
+                ctx.show_text(&result[i..i+1]).unwrap();
+            } else {
+                ctx.select_font_face ("serif", cairo::FontSlant::Normal, cairo::FontWeight::Normal);
+                ctx.show_text(&result[i..i+1]).unwrap();
+            }
+        }
     }
 
     pub fn divider<T>(&self, x: T, y: T)

src/ui/ui.rs

@@ -71,7 +71,7 @@ fn make_context(window: &Window) -> cairo::Context
     cairo::Context::new(&surface).expect("Could not create drawing context")
 }
 
-pub fn draw(window: &Window, input: &str, result: Vec<&Entry>, selection: usize)
+pub fn draw(window: &Window, input: &str, result: Vec<(&Entry, Vec<usize>)>, selection: usize)
 {
     let context = make_context(&window);
 
@@ -84,12 +84,13 @@ pub fn draw(window: &Window, input: &str, result: Vec<&Entry>, selection: usize)
     painter.divider(0, 1);
 
     result.iter().enumerate()
-        .for_each(|(i, e)| {
-            painter.result_box(0, 1+(i as u32), &e.name, selection==i);
+        .for_each(|(i, r)| {
+            let e = r.0;
+            painter.result_box(0, 1+(i as u32), &e.name, &r.1, selection==i);
         });
 }
 
-pub fn redraw_quick(window: &Window, result: Vec<&Entry>, selection: usize) {
+pub fn redraw_quick(window: &Window, result: Vec<(&Entry, Vec<usize>)>, selection: usize) {
     let context = make_context(&window);
 
     context.scale(30.0, 30.0);
@@ -97,16 +98,17 @@ pub fn redraw_quick(window: &Window, result: Vec<&Entry>, selection: usize) {
     let painter = painter::Painter::new(&context);
 
     result.iter().enumerate()
-        .for_each(|(i, e)| {
+        .for_each(|(i, r)| {
+            let e = r.0;
             // clear first and last as these may produce artifacts otherwise
-            if i == 0 { painter.result_box(0, 1+(i as u32), &e.name, false) }
-            if i == result.len()-1 { painter.result_box(0, 1+(i as u32), &e.name, false) }
+            if i == 0 { painter.result_box(0, 1+(i as u32), &e.name, &r.1, false) }
+            if i == result.len()-1 { painter.result_box(0, 1+(i as u32), &e.name, &r.1, false) }
 
             // clear boxes around selection as these could be the old selection
-            if selection > 0 && i == (selection-1) { painter.result_box(0, 1+(i as u32), &e.name, false) }
-            if i == (selection+1) { painter.result_box(0, 1+(i as u32), &e.name, false) }
+            if selection > 0 && i == (selection-1) { painter.result_box(0, 1+(i as u32), &e.name, &r.1, false) }
+            if i == (selection+1) { painter.result_box(0, 1+(i as u32), &e.name, &r.1, false) }
 
             // mark selection, note that this negates any unmarking above in case they are the same
-            if i == selection { painter.result_box(0, 1+(i as u32), &e.name, true) }
+            if i == selection { painter.result_box(0, 1+(i as u32), &e.name, &r.1, true) }
         });
 }