To browser.py, add optional command line argument of start directory.

diff --git a/browser.py b/browser.py
index 18a1cfa5757e69cc736b842b294e01e92a8c4e7f..b1bcc3aadc3e9e8e57f376512f8a92f4eb4af16d 100755 (executable)
--- a/browser.py
+++ b/browser.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 """Browser for image files."""
+from sys import argv as sys_argv
 from json import dump as json_dump, load as json_load
 from os.path import exists as path_exists, join as path_join, abspath
 from exiftool import ExifToolHelper  # type: ignore
@@ -14,7 +15,7 @@ from gi.repository import GObject, GLib  # type: ignore  # noqa: E402
 from stable.gen_params import (GenParams,  # noqa: E402
                                GEN_PARAMS, GEN_PARAMS_STR)  # noqa: E402
 
-IMG_DIR = '.'
+IMG_DIR_DEFAULT = '.'
 UPPER_DIR = '..'
 CACHE_PATH = 'cache.json'
 
@@ -102,8 +103,9 @@ class MainWindow(Gtk.Window):
     sort_selection: Gtk.SingleSelection
     prev_key: list
 
-    def __init__(self, _app, **kwargs):
+    def __init__(self, app, **kwargs):
         super().__init__(**kwargs)
+        self.app = app
 
         def init_navbar():
             def add_button(label_, on_click, parent_box):
@@ -190,7 +192,6 @@ class MainWindow(Gtk.Window):
             self.add_controller(key_ctl)
             self.prev_key = [0]
 
-        self.img_dir_absolute = abspath(IMG_DIR)
         self.block_once_hit_file_selection = False
         self.block_file_selection_updates = False
         self.force_width, self.force_height = 0, 0
@@ -362,7 +363,7 @@ class MainWindow(Gtk.Window):
             return
         selected = self.gallery_selection.props.selected_item
         if isinstance(selected, DirItem):
-            self.img_dir_absolute = selected.full_path
+            self.app.img_dir_absolute = selected.full_path
             self.load_directory()
 
     def update_file_selection(self):
@@ -407,7 +408,7 @@ class MainWindow(Gtk.Window):
     # navbar callables
 
     def load_directory(self, update_gallery=True):
-        """Load into gallery directory at self.img_dir_absolute."""
+        """Load into gallery directory at .app.img_dir_absolute."""
 
         def read_directory_into_gallery_items(cache, dir_path,
                                               make_parent=False):
@@ -451,7 +452,8 @@ class MainWindow(Gtk.Window):
                 json_dump({}, f)
         with open(CACHE_PATH, 'r', encoding='utf8') as f:
             cache = json_load(f)
-        read_directory_into_gallery_items(cache, self.img_dir_absolute, True)
+        read_directory_into_gallery_items(cache, self.app.img_dir_absolute,
+                                          True)
         with open(CACHE_PATH, 'w', encoding='utf8') as f:
             json_dump(cache, f)
         if update_gallery:
@@ -558,15 +560,21 @@ class Application(Gtk.Application):
     """Image browser application class."""
 
     def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self.connect('activate', self.on_activate)
-
-    def on_activate(self, app_):
-        """Start window and keep it open."""
-        win = MainWindow(app_)
+        super().__init__(flags=Gio.ApplicationFlags.HANDLES_COMMAND_LINE,
+                         *args, **kwargs)
+        self.img_dir_absolute = abspath(IMG_DIR_DEFAULT)
+
+    def do_command_line(self, *args, **kwargs):
+        """Parse directory from command_line, start window and keep it open."""
+        command_line = args[0]
+        argv = command_line.get_arguments()
+        if len(argv) > 1:
+            self.img_dir_absolute = abspath(argv[1])
+        win = MainWindow(self)
         win.present()
         self.hold()
+        return 0
 
 
-app = Application(application_id='plomlompom.com.StablePixBrowser.App')
-app.run(None)
+main_app = Application(application_id='plomlompom.com.StablePixBrowser.App')
+main_app.run(sys_argv)