feat: mail

bar/config.py

@@ -53,5 +53,7 @@ VINYL = app_config.get("vinyl", {"enable": False})
 BATTERY = app_config.get("battery", {"enable": False})
 WINDOW_TITLE = app_config.get("window_title", {"enable": True})
 STYLIX = app_config.get("stylix", {"enable": False})
+CALENDAR = app_config.get("calendar", {"enable": True, "khal_path": "khal"})
+NOTMUCH = app_config.get("notmuch", {"enable": True, "notmuch_path": "notmuch", "emacsclient_command": "emacsclient"})
 BAR_HEIGHT = app_config.get("height", 40)
 DEV = app_config.get("dev", False)

bar/modules/bar.py

@@ -9,6 +9,7 @@ from bar.modules.player import Player
 from bar.modules.vinyl import VinylButton
 from bar.modules.battery import Battery
 from bar.modules.calendar import CalendarService, CalendarPopup
+from bar.modules.notmuch import NotmuchWidget
 from fabric.widgets.wayland import WaylandWindow as Window
 from fabric.system_tray.widgets import SystemTray
 from fabric.river.widgets import (
@@ -20,7 +21,7 @@ from fabric.river.widgets import (
 from fabric.widgets.circularprogressbar import CircularProgressBar
 from bar.services.system_stats import SystemStatsService
 
-from bar.config import VINYL, BATTERY, BAR_HEIGHT, WINDOW_TITLE
+from bar.config import VINYL, BATTERY, BAR_HEIGHT, WINDOW_TITLE, NOTMUCH
 
 
 class StatusBar(Window):
@@ -101,6 +102,10 @@ class StatusBar(Window):
         if BATTERY["enable"]:
             self.battery = Battery()
 
+        self.notmuch = None
+        if NOTMUCH["enable"]:
+            self.notmuch = NotmuchWidget()
+
         self.status_container = Box(
             name="widgets-container",
             spacing=4,
@@ -120,6 +125,9 @@ class StatusBar(Window):
         if self.battery:
             end_container_children.append(self.battery)
 
+        if self.notmuch:
+            end_container_children.append(self.notmuch)
+
         end_container_children.append(self.date_time)
 
         center_children = []

bar/modules/calendar.py

@@ -1,5 +1,6 @@
 import json
 import subprocess
+import shutil
 from datetime import datetime
 from fabric.widgets.box import Box
 from fabric.widgets.label import Label
@@ -7,6 +8,7 @@ from fabric.widgets.button import Button
 from fabric.widgets.image import Image
 from fabric.widgets.wayland import WaylandWindow as Window
 from loguru import logger
+from bar.config import CALENDAR
 
 
 class CalendarService:
@@ -64,10 +66,27 @@ class CalendarService:
 
     def update_events(self):
         """Fetch today's events from khal"""
+        # Check if calendar is enabled
+        if not CALENDAR.get("enable", True):
+            logger.info("[Calendar] Calendar is disabled in config")
+            self.events = []
+            self.emit_events_changed(self.events)
+            return
+
+        # Get khal path from config
+        khal_path = CALENDAR.get("khal_path", "khal")
+
+        # Check if khal is available
+        if not shutil.which(khal_path):
+            logger.warning(f"[Calendar] khal not found at '{khal_path}'. Please install khal or configure the correct path.")
+            self.events = []
+            self.emit_events_changed(self.events)
+            return
+
         try:
             result = subprocess.run(
                 [
-                    "khal",
+                    khal_path,
                     "list",
                     "--json",
                     "title",

bar/modules/notmuch.py

@@ -0,0 +1,168 @@
+import subprocess
+import shutil
+from fabric.widgets.box import Box
+from fabric.widgets.label import Label
+from fabric.widgets.button import Button
+from fabric.widgets.image import Image
+from loguru import logger
+from bar.config import NOTMUCH
+
+
+class NotmuchService:
+    def __init__(self, update_interval=60000):  # 1 minute default
+        self.unread_count = 0
+        self.callbacks = []
+        self._update_interval = update_interval
+        self._timer_id = None
+
+        # Initial load
+        self.update_unread_count()
+        # Start periodic updates
+        self.start_monitoring()
+
+    def connect(self, signal_name, callback):
+        """Simple callback system to replace signals"""
+        if signal_name == "unread-changed":
+            self.callbacks.append(callback)
+
+    def emit_unread_changed(self, count):
+        """Emit unread changed to all callbacks"""
+        for callback in self.callbacks:
+            callback(self, count)
+
+    def start_monitoring(self):
+        """Start periodic unread count updates"""
+        if self._timer_id is None:
+            from fabric.utils import invoke_repeater
+
+            self._timer_id = invoke_repeater(
+                self._update_interval, self._periodic_update
+            )
+            logger.info(
+                f"[Notmuch] Started periodic updates every {self._update_interval/1000} seconds"
+            )
+
+    def stop_monitoring(self):
+        """Stop periodic unread count updates"""
+        if self._timer_id is not None:
+            from gi.repository import GLib
+
+            GLib.source_remove(self._timer_id)
+            self._timer_id = None
+            logger.info("[Notmuch] Stopped periodic updates")
+
+    def _periodic_update(self):
+        """Periodic update callback"""
+        logger.info("[Notmuch] Performing periodic unread count update")
+        self.update_unread_count()
+        return True  # Keep the timer running
+
+    def get_cached_count(self):
+        """Get cached unread count without triggering update"""
+        return self.unread_count
+
+    def update_unread_count(self):
+        """Fetch unread email count from notmuch"""
+        # Check if notmuch is enabled
+        if not NOTMUCH.get("enable", True):
+            logger.info("[Notmuch] Notmuch is disabled in config")
+            self.unread_count = 0
+            self.emit_unread_changed(self.unread_count)
+            return
+
+        # Get notmuch path from config
+        notmuch_path = NOTMUCH.get("notmuch_path", "notmuch")
+
+        # Check if notmuch is available
+        if not shutil.which(notmuch_path):
+            logger.warning(f"[Notmuch] notmuch not found at '{notmuch_path}'. Please install notmuch or configure the correct path.")
+            self.unread_count = 0
+            self.emit_unread_changed(self.unread_count)
+            return
+
+        try:
+            # Get unread email count
+            result = subprocess.run(
+                [notmuch_path, "count", "tag:unread"],
+                capture_output=True,
+                text=True,
+                check=True,
+            )
+
+            if result.stdout.strip():
+                self.unread_count = int(result.stdout.strip())
+                logger.info(f"[Notmuch] Found {self.unread_count} unread emails")
+                self.emit_unread_changed(self.unread_count)
+            else:
+                self.unread_count = 0
+                self.emit_unread_changed(self.unread_count)
+
+        except subprocess.CalledProcessError as e:
+            logger.error(f"[Notmuch] Failed to fetch unread count: {e}")
+            self.unread_count = 0
+            self.emit_unread_changed(self.unread_count)
+        except ValueError as e:
+            logger.error(f"[Notmuch] Error parsing unread count: {e}")
+            self.unread_count = 0
+            self.emit_unread_changed(self.unread_count)
+        except Exception as e:
+            logger.error(f"[Notmuch] Error getting unread count: {e}")
+            self.unread_count = 0
+            self.emit_unread_changed(self.unread_count)
+
+
+class NotmuchWidget(Button):
+    def __init__(self, **kwargs):
+        # Create the widget content
+        self.icon = Image(icon_name="mail-unread-symbolic", icon_size=16)
+        self.label = Label("0", name="unread-count")
+
+        # Container for icon and label
+        container = Box(
+            orientation="h",
+            spacing=4,
+            children=[self.icon, self.label]
+        )
+
+        super().__init__(
+            name="notmuch-widget",
+            child=container,
+            on_clicked=self.open_email_client,
+            **kwargs,
+        )
+
+        # Initialize the service
+        self.service = NotmuchService()
+        self.service.connect("unread-changed", self.update_display)
+
+        logger.info("[Notmuch] Notmuch widget initialized")
+
+        # Initial update
+        self.update_display(self.service, self.service.unread_count)
+
+    def open_email_client(self, button=None):
+        """Open notmuch in emacsclient"""
+        emacsclient_command = NOTMUCH.get("emacsclient_command", "emacsclient")
+
+        try:
+            # Open emacsclient with notmuch function
+            subprocess.Popen([emacsclient_command, "-c", "-e", "(notmuch)"], start_new_session=True)
+            logger.info(f"[Notmuch] Opened notmuch in emacsclient with command: {emacsclient_command}")
+        except Exception as e:
+            logger.error(f"[Notmuch] Failed to open notmuch in emacsclient '{emacsclient_command}': {e}")
+
+    def update_display(self, service, count):
+        """Update the widget display with unread count"""
+        # Only show count if there are unread emails
+        if count > 0:
+            self.label.set_text(str(count))
+            self.label.set_visible(True)
+            self.icon.set_from_icon_name("mail-unread-symbolic", 16)
+            self.set_style_classes(["notmuch-widget", "has-unread"])
+        else:
+            self.label.set_text("")
+            self.label.set_visible(False)
+            self.icon.set_from_icon_name("mail-read-symbolic", 16)
+            self.set_style_classes(["notmuch-widget", "no-unread"])
+
+        logger.info(f"[Notmuch] Updated display: {count} unread emails")

bar/styles/main.css

@@ -5,6 +5,7 @@
 @import url("./bar.css");
 @import url("./finder.css");
 @import url("./calendar.css");
+@import url("./notmuch.css");
 
 
 /* unset so we can style everything from the ground up. */

bar/styles/notmuch.css

@@ -0,0 +1,35 @@
+/* Notmuch email widget styling */
+
+#notmuch-widget {
+    background-color: var(--module-bg);
+    padding: 4px 8px;
+    border-radius: 12px;
+    transition: background-color 0.2s ease;
+}
+
+#notmuch-widget:hover {
+    background-color: var(--light-bg);
+}
+
+#notmuch-widget.has-unread {
+    background-color: var(--blue);
+}
+
+#notmuch-widget.has-unread:hover {
+    background-color: var(--turquoise);
+}
+
+#notmuch-widget.no-unread {
+    background-color: var(--module-bg);
+}
+
+#unread-count {
+    color: var(--foreground);
+    font-size: 14px;
+    font-weight: bold;
+    min-width: 16px;
+}
+
+#notmuch-widget.has-unread #unread-count {
+    color: var(--background);
+}

example-stylix-dev.yaml

@@ -6,6 +6,13 @@ vinyl:
     enable: false
 battery:
     enable: true
+calendar:
+    enable: true
+    khal_path: "khal"  # or full path like "/home/user/.nix-profile/bin/khal"
+notmuch:
+    enable: true
+    notmuch_path: "notmuch"  # or full path like "/home/user/.nix-profile/bin/notmuch"
+    emacsclient_command: "emacsclient"  # or full path like "/home/user/.nix-profile/bin/emacsclient"
 stylix:
     enable: true
     colors: