seperated build and install steps in Makefile

.gitignore

@@ -0,0 +1 @@
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Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "lightdm-mobile-greeter"
+version = "0.1.0"
+authors = ["Raatty <me@raatty.club>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[dependencies]
+libhandy = "0.5.0"
+gdk = "0.12.1"
+gtk = "0.8.1"
+lightdm = { git = "https://raatty.club:3000/raatty/lightdm-rs.git"}
+
+[profile.release]
+panic = "abort"

Makefile

@@ -3,8 +3,9 @@ BINDIR ?= $(PREFIX)/bin
 DATADIR ?= $(PREFIX)/share
 CONFDIR = /etc
 
-install:
+target/release/lightdm-mobile-greeter: src/main.rs
-	sed "s/%DATADIR%/\/usr\/share/" lightdm-mobile-greeter.py > lightdm-mobile-greeter
+	cargo build --release
-	install -Dm755 lightdm-mobile-greeter -t $(DESTDIR)$(BINDIR)
+build: target/release/lightdm-mobile-greeter
-	install -Dm644 style.css interface.ui -t $(DESTDIR)$(DATADIR)/lightdm-mobile-greeter
+install: build
-	install -Dm644 lightdm-mobile-greeter.desktop -t $(DESTDIR)$(DATADIR)/xgreeters
+	install -Dm755 target/release/lightdm-mobile-greeter -t $(DESTDIR)$(BINDIR)
+	install -Dm644 lightdm-mobile-greeter.desktop -t $(DESTDIR)$(DATADIR)/xgreeters

README.md

@@ -7,13 +7,10 @@ A simple log in screen for use on touch screens, designed for use on postmarketO
 make install
 ```
 ## Configuring
-/etc/lightdm_mobile_greeter.json
+As of version 3 I will now try to guess the user.
-```json
-{"user":"<YOUR USERNAME HERE>"}
-```
 
 lightdm.conf
 ```
 greeter-session=lightdm-mobile-greeter
 user-session=<THE CHOSEN DE TO LAUNCH AFTER SUCCESSFUL LOGIN>
-```
+```

interface.ui

@@ -17,13 +17,14 @@
                 <property name="orientation">vertical</property>
                 <property name="halign">center</property>
                 <property name="valign">center</property>
-                <property name="hexpand">True</property>
-                <property name="vexpand">True</property>
                 <property name="spacing">12</property>
                 <child>
                   <object class="GtkLabel" id="prompt_label">
                       <property name="visible">True</property>
                       <property name="label">prompt label</property>
+                      <style>
+                        <class name="prompt" />
+                      </style>
                   </object>
                 </child>
                 <child>
@@ -40,6 +41,9 @@
                     <property name="caps_lock_warning">False</property>
                     <property name="hexpand">True</property>
                     <property name="vexpand">True</property>
+                    <style>
+                      <class name="pin" />
+                    </style>
                   </object>
                 </child>
                 <child>
@@ -53,6 +57,7 @@
                     <property name="only_digits">True</property>
                     <property name="show_symbols">False</property>
                     <property name="right_action">delete_btn</property>
+                    <property name="left_action">settings_btn</property>
                     <property name="entry">pin_entry</property>
                     <style>
                       <class name="keypad"/>
@@ -60,26 +65,19 @@
                   </object>
                 </child>
                 <child>
-                  <object class="GtkBox">
+                  <object class="GtkButton">
                     <property name="visible">True</property>
-                    <child>
+                    <property name="label">Login</property>
-                      <object class="GtkButton">
+                    <signal name="clicked" handler="login_cb"/>
-                        <property name="visible">True</property>
+                    <style>
-                        <property name="label">Login</property>
+                      <class name="login_btn"/>
-                        <signal name="clicked" handler="login_cb"/>
+                    </style>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="pack_type">end</property>
-                      </packing>
-                    </child>
                   </object>
                 </child>
                 <child>
                   <object class="GtkLabel" id="message_label">
                       <property name="visible">True</property>
-                      <property name="label">message label</property>
+                      <property name="label"></property>
                   </object>
                 </child>
               </object>
@@ -99,7 +97,25 @@
       <object class="GtkImage">
         <property name="visible">True</property>
         <property name="icon_name">edit-clear-symbolic</property>
+        <property name="icon_size">6</property>
       </object>
     </child>
   </object>
+  <object class="GtkButton" id="settings_btn">
+    <property name="visible">True</property>
+    <property name="can_focus">True</property>
+    <property name="focus-on-click">False</property>
+    <signal name="clicked" handler="de_popover"/>
+    <child>
+      <object class="GtkImage">
+        <property name="visible">True</property>
+        <property name="icon_name">applications-system-symbolic</property>
+        <property name="icon_size">6</property>
+      </object>
+    </child>
+  </object>
+  <object class="GtkPopover" id="de_select">
+    <property name="relative_to">settings_btn</property>
+    <property name="position">GTK_POS_RIGHT</property>
+  </object>
 </interface>

lightdm-mobile-greeter.py

@@ -1,72 +0,0 @@
-#!/usr/bin/python3
-import gi
-from gi.repository import Gtk, Gdk, Handy, LightDM
-import json
-
-
-class Config:
-    def __init__(self):
-        with open("/etc/lightdm_mobile_greeter.json") as f:
-            j = json.load(f)
-        self.user = j["user"]
-
-
-class Handler:
-    def __init__(self, builder: Gtk.Builder):
-        self.pin_entry = builder.get_object("entry_buffer")
-        self.greeter = LightDM.Greeter()
-        self.greeter.connect("authentication-complete", self.auth_complete)
-        self.greeter.connect("show-message", self.show_msg)
-        self.greeter.connect("show-prompt", self.show_prompt)
-        self.pmpt_label = builder.get_object("prompt_label")
-        self.msg_label = builder.get_object("message_label")
-        self.greeter.connect_sync()
-        self.conf = Config()
-        self.greeter.authenticate(self.conf.user)
-
-    def on_destry(self, window):
-        Gtk.main_quit()
-
-    def login_cb(self, login_btn):
-        self.greeter.respond(self.pin_entry.get_text())
-        self.pin_entry.set_text("", 0)
-
-    def backspace(self, del_btn):
-        length = self.pin_entry.get_length()
-        if length <= 0:
-            return
-        self.pin_entry.delete_text(length - 1, 1)
-
-    def auth_complete(self, greeter):
-        if greeter.get_is_authenticated():
-            greeter.start_session_sync(None)
-        else:
-            greeter.authenticate(self.conf.user)
-
-    def show_msg(self, greeter, text, type):
-        self.msg_label.set_text(text)
-
-    def show_prompt(self, greeter, text, type):
-        self.pmpt_label.set_text(text)
-
-
-Handy.Keypad()
-builder: Gtk.Builder = Gtk.Builder.new_from_file(
-    "%DATADIR%/lightdm-mobile-greeter/interface.ui"
-)
-handler = Handler(builder)
-builder.connect_signals(handler)
-window: Gtk.Window = builder.get_object("greeter_window")
-display = Gdk.Display.get_default()
-monitor = display.get_monitor(0)
-screen_size = monitor.get_geometry()
-window.set_size_request(screen_size.width, screen_size.height)
-container = builder.get_object("container")
-container.set_size_request(screen_size.width * 0.8, screen_size.height * 0.8)
-style: Gtk.CssProvider = Gtk.CssProvider()
-style.load_from_path("%DATADIR%/lightdm-mobile-greeter/style.css")
-Gtk.StyleContext.add_provider_for_screen(
-    Gdk.Screen.get_default(), style, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION
-)
-window.show()
-Gtk.main()

src/main.rs

@@ -0,0 +1,219 @@
+use gdk;
+use gtk;
+use gtk::prelude::*;
+use libhandy;
+use lightdm;
+use lightdm::{GreeterExt, SessionExt, UserExt, UserListExt};
+use std::cell::RefCell;
+use std::rc::Rc;
+
+fn main() {
+    if gtk::init().is_err() {
+        println!("failed to init GTK");
+        return;
+    }
+    libhandy::Keypad::new(true, true);
+    let builder = gtk::Builder::new_from_string(include_str!("../interface.ui"));
+    let handler = Rc::new(RefCell::new(Handler::new()));
+    {
+        let mut handler_borrowed = handler.borrow_mut();
+        handler_borrowed.get_objects(&builder);
+        handler_borrowed.set_username();
+        handler_borrowed.setup_greeter(handler.clone());
+        handler_borrowed.setup_de_select(handler.clone());
+    }
+    {
+        let handler_borrowed = handler.borrow();
+        let greeter = handler_borrowed.greeter.as_ref().expect("no greeter");
+        let user = handler_borrowed.user.as_ref().expect("no user");           
+        greeter.authenticate(Some(&user)).ok(); 
+    }
+    let handler_builder_clone = handler.clone();
+    builder.connect_signals(move |_, name| {
+        let h_login_cb_clone = handler_builder_clone.clone();
+        let h_backspace_clone = handler_builder_clone.clone();
+        let h_de_popover_clone = handler_builder_clone.clone();
+        match name {
+            "on_destry" => Box::new(|_| {
+                gtk::main_quit();
+                None
+            }),
+            "login_cb" => Box::new(move |_| {
+                let handler = h_login_cb_clone.borrow();
+                let pin_entry = handler.pin_entry.as_ref().expect("no pin_entry");
+                handler
+                    .greeter
+                    .as_ref()
+                    .expect("no greeter")
+                    .respond(&pin_entry.get_text())
+                    .ok();
+                pin_entry.set_text("");
+                None
+            }),
+            "backspace" => Box::new(move |_| {
+                let handler = h_backspace_clone.borrow();
+                let pin_entry = handler.pin_entry.as_ref().expect("no pin_entry");
+                let length = pin_entry.get_length();
+                if length <= 0 {
+                    return None;
+                }
+                pin_entry.delete_text(length - 1, Some(1));
+                None
+            }),
+            "de_popover" => Box::new(move |_| {
+                h_de_popover_clone
+                    .borrow()
+                    .de_select
+                    .as_ref()
+                    .expect("popover not found")
+                    .popup();
+                None
+            }),
+            _ => panic!("unknown signal"),
+        }
+    });
+    let window: gtk::Window = builder
+        .get_object("greeter_window")
+        .expect("window not found");
+    {
+        let display = gdk::Display::get_default().expect("cant get display");
+        let monitor = display.get_monitor(0).expect("cant get monitor");
+        let screen_size = monitor.get_geometry();
+        window.set_size_request(screen_size.width, screen_size.height);
+        let container: gtk::Box = builder.get_object("container").expect("cant get container");
+        container.set_size_request(
+            (screen_size.width as f32 * 0.8) as i32,
+            (screen_size.height as f32 * 0.8) as i32,
+        );
+        let style = gtk::CssProvider::new();
+        style
+            .load_from_data(include_bytes!("../style.css"))
+            .expect("failed to load style");
+        gtk::StyleContext::add_provider_for_screen(
+            &gdk::Screen::get_default().expect("cant get screen"),
+            &style,
+            gtk::STYLE_PROVIDER_PRIORITY_APPLICATION,
+        );
+    }
+    window.show();
+    gtk::main();
+}
+
+#[derive(Default)]
+struct Handler {
+    user: Option<String>,
+    session: Option<String>,
+    greeter: Option<lightdm::Greeter>,
+    pin_entry: Option<gtk::EntryBuffer>,
+    pmpt_label: Option<gtk::Label>,
+    msg_label: Option<gtk::Label>,
+    de_select: Option<gtk::Popover>,
+}
+
+impl Handler {
+    fn new() -> Self {
+        Default::default()
+    }
+    fn get_objects(&mut self, builder: &gtk::Builder) {
+        self.pin_entry = builder.get_object("entry_buffer");
+        self.pmpt_label = builder.get_object("prompt_label");
+        self.msg_label = builder.get_object("message_label");
+        self.de_select = builder.get_object("de_select");
+    }
+
+    fn set_username(&mut self) {
+        if let Some(user_list) = lightdm::UserList::get_instance() {
+            if let Some(name) = user_list.get_users().first().unwrap().get_name() {
+                let name_str = Box::<str>::from(name);
+                self.user = Some(String::from(name_str));
+            };
+        }
+    }
+
+    fn setup_greeter(&mut self, handler: Rc<RefCell<Self>>) {
+        let greeter = lightdm::Greeter::new();
+        let handler_auth_clone = handler.clone();
+        greeter.connect_authentication_complete(move |greeter| {
+            let handler_borrowed = handler_auth_clone.borrow();
+            if greeter.get_is_authenticated() {
+                greeter
+                    .start_session_sync(Some(&handler_borrowed.session.clone().unwrap()))
+                    .ok();
+            } else {
+                greeter
+                    .authenticate(Some(&handler_borrowed.user.clone().unwrap()))
+                    .ok();
+            }
+        });
+        let handler_msg_clone = handler.clone();
+        greeter.connect_show_message(move |_, msg, _| {
+            handler_msg_clone
+                .borrow()
+                .msg_label
+                .as_ref()
+                .expect("no msg label")
+                .set_text(msg);
+        });
+        let handler_prmpt_clone = handler.clone();
+        greeter.connect_show_prompt(move |_, msg, _| {
+            handler_prmpt_clone
+                .borrow()
+                .pmpt_label
+                .as_ref()
+                .expect("no msg label")
+                .set_text(msg);
+        });
+        greeter.connect_to_daemon_sync().ok();
+        self.greeter = Some(greeter);
+    }
+
+    fn setup_de_select(&mut self, handler: Rc<RefCell<Self>>) {
+        {
+            let session = self
+                .greeter
+                .as_ref()
+                .expect("wheres the greeter at")
+                .get_default_session_hint()
+                .expect("no default session");
+            self.session = Some(String::from(session));
+        }
+        let vbox = gtk::BoxBuilder::new()
+            .orientation(gtk::Orientation::Vertical)
+            .visible(true)
+            .build();
+        let sessions_raw = lightdm::functions::get_sessions();
+        let mut sessions = sessions_raw.iter().map(|s| {
+            (
+                String::from(s.get_name().expect("no name")),
+                String::from(s.get_key().expect("no key")),
+            )
+        });
+        let (name, key) = sessions.next().expect("no session");
+        let first = gtk::RadioButtonBuilder::new().label(&name).build();
+        let mut keys = Vec::new();
+        let mut rbs = Vec::new();
+        keys.push(key);
+        rbs.push(first.clone());
+        vbox.add(&first);
+        for (name, key) in sessions {
+            let key_clone = key.clone();
+            let rb = gtk::RadioButton::new_with_label_from_widget(&first, &name);
+            keys.push(key);
+            rbs.push(rb.clone());
+            vbox.add(&rb);
+            if self.session.clone().expect("session not found") == key_clone {
+                rb.set_active(true);
+            }
+        }
+        let keys_iter = keys.iter();
+        for (rb, key) in rbs.iter().zip(keys_iter) {
+           let handler_clone = handler.clone();
+           let key_clone = key.clone();
+           rb.connect_toggled(move |_| {
+               handler_clone.borrow_mut().session = Some(key_clone.clone());
+           });
+        };
+        self.de_select.as_ref().expect("no de select").add(&vbox);
+        vbox.show_all()
+    }
+}

style.css

@@ -5,21 +5,15 @@ window * {
     text-decoration: none;
 }
 
+button {
+    border: none;
+    border-radius: 20em;
+}
+
 window {
     background-color: black;
 }
 
-button {
-    border: 0;
-    background: none;
-    outline-style: dashed;
-    margin: 0;
-    border-width: 2px;
-    padding: 16px 36px;
-}
-.keypad button {
-    padding: 16px 16px;
-}
 label {
     font-weight: bold;
 }
@@ -32,3 +26,28 @@ button:active {
 button:active label {
     color: black;
 }
+
+hdykeypad > button label{
+   font-size: 5em;
+   font-weight: bold;
+   padding: 10px;
+}
+
+.login_btn > label {
+    font-size: 2em;
+    background-clip: padding-box;
+    padding: 0.5em;
+}
+
+.pin, .prompt {
+   font-size: 2em;
+}
+
+popover {
+    background-color: black;
+    font-size: 2em;
+}
+
+popover radiobutton {
+    padding: 1em;
+}