Updated readme

Added guide pages
Implemented micron markup parser
2025-12-17 14:54:26 +01:00 · 2021-07-06 17:37:48 +02:00 · 2021-07-06 17:33:48 +02:00 · 2021-07-06 09:23:37 +02:00 · 2021-07-06 09:22:58 +02:00 · 2021-07-05 15:32:59 +02:00
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 might be different; for a GUI interface, you would use an "about box".
  You should also get your employer (if you work as a programmer) or school,
 if any, to sign a "copyright disclaimer" for the program, if necessary.
 For more information on this, and how to apply and follow the GNU GPL, see
 <https://www.gnu.org/licenses/>.
  The GNU General Public License does not permit incorporating your program
 into proprietary programs.  If your program is a subroutine library, you
 may consider it more useful to permit linking proprietary applications with
 the library.  If this is what you want to do, use the GNU Lesser General
 Public License instead of this License.  But first, please read
 <https://www.gnu.org/licenses/why-not-lgpl.html>.
--- a/README.md
+++ b/README.md
@@ -5,7 +5,11 @@ Communicate Freely.
 ![Screenshot](https://github.com/markqvist/NomadNet/raw/master/docs/screenshots/3.png)
-Nomad Network is built using Reticulum, see [github.com/markqvist/Reticulum](https://github.com/markqvist/Reticulum).
+The intention with this program is to provide a tool to that allows you to build private and resilient communications platforms that are in complete control and ownership of the people that use them.
 Nomad Network is build on [LXMF](https://github.com/markqvist/LXMF) and [Reticulum](https://github.com/markqvist/Reticulum), which together provides the cryptographic mesh functionality and peer-to-peer message routing that Nomad Network relies on. This foundation also makes it possible to use the program over a very wide variety of communication mediums, from packet radio to gigabit fiber.
 Nomad Network does not need any connections to the public internet to work. In fact, it doesn't even need an IP or Ethernet network. You can use it entirely over packet radio, LoRa or even serial lines. But if you wish, you can bridge islanded Reticulum networks over the Internet or private ethernet networks, or you can build networks running completely over the Internet. The choice is yours.
 ## Notable Features
 - Encrypted messaging over packet-radio, LoRa, WiFi or anything else [Reticulum](https://github.com/markqvist/Reticulum) supports.
@@ -13,7 +17,10 @@ Nomad Network is built using Reticulum, see [github.com/markqvist/Reticulum](htt
 ## Current Status
-Pre-alpha. At this point Nomad Network is usable as a basic messaging client over Reticulum networks, but only the very core features have been implemented. Development is ongoing and current features being implemented are:
+
 The current version of the program should be considered an alpha release. The program works well, but there will most probably be bugs and possibly sub-optimal performance in some scenarios. On the other hand, this is the ideal time to have an influence on the direction of the development of Nomad Network. To do so, join the discussion, report bugs and request features here on the GitHub project.
 Development is ongoing and current features being implemented are:
 - Propagated messaging and discussion threads
 - Connectable nodes that can host pages, files and other resources
--- a/nomadnet/NomadNetworkApp.py
+++ b/nomadnet/NomadNetworkApp.py
@@ -141,7 +141,7 @@ class NomadNetworkApp:
        RNS.Identity.remember(
            packet_hash=None,
            destination_hash=self.lxmf_destination.hash,
-            public_key=self.identity.pub_bytes,
+            public_key=self.identity.get_public_key(),
            app_data=None
        )
@@ -241,6 +241,22 @@ class NomadNetworkApp:
                            else:
                                self.config["textui"]["intro_time"] = self.config["textui"].as_int("intro_time")
                            if not "editor" in self.config["textui"]:
                                self.config["textui"]["editor"] = "editor"
                            if not "glyphs" in self.config["textui"]:
                                self.config["textui"]["glyphs"] = "unicode"
                            if not "mouse_enabled" in self.config["textui"]:
                                self.config["textui"]["mouse_enabled"] = True
                            else:
                                self.config["textui"]["mouse_enabled"] = self.config["textui"].as_bool("mouse_enabled")
                            if not "hide_guide" in self.config["textui"]:
                                self.config["textui"]["hide_guide"] = False
                            else:
                                self.config["textui"]["hide_guide"] = self.config["textui"].as_bool("hide_guide")
                            if not "animation_interval" in self.config["textui"]:
                                self.config["textui"]["animation_interval"] = 1
                            else:
@@ -319,29 +335,56 @@ destination = file
 [client]
-enable_client = Yes
+enable_client = yes
 user_interface = text
 [textui]
 # Amount of time to show intro screen
 intro_time = 1
 # Specify the number of colors to use
 # valid colormodes are:
 # monochrome, 16, 88, 256 and 24bit
 #
-# The default is a conservative 88 colors,
+# The default is a conservative 16 colors,
 # but 256 colors can probably be used on
-# most terminals. Some terminals
+# most terminals. Some terminals support
 # 24 bit color.
 # colormode = monochrome
-# colormode = 16
+colormode = 16
-colormode = 88
+# colormode = 88
 # colormode = 256
 # colormode = 24bit
 # By default, unicode glyphs are used. If
 # you have a Nerd Font installed, you can
 # enable this for a better user interface.
 # You can also enable plain text glyphs if
 # your terminal doesn't support unicode.
 # glyphs = plain
 glyphs = unicode
 # glyphs = nerdfont
 # You can specify whether mouse events
 # should be considered as input to the
 # application. On by default.
 mouse_enabled = True
 # What editor to use for editing text. By
 # default the operating systems "editor"
 # alias will be used.
 editor = editor
 # If you don't want the Guide section to
 # show up in the menu, you can disable it.
 hide_guide = no
 [node]
-enable_node = No
+enable_node = no
 '''.splitlines()
--- a/nomadnet/_version.py
+++ b/nomadnet/_version.py
@@ -1 +1 @@
-__version__ = "0.0.3"
+__version__ = "0.0.6"
--- a/nomadnet/ui/TextUI.py
+++ b/nomadnet/ui/TextUI.py
@@ -15,31 +15,58 @@ THEME_DARK     = 0x01
 THEME_LIGHT    = 0x02
 THEMES = {
-    THEME_DARK: [
+    THEME_DARK: {
-        # Style name                    # 16-color style                        # Monochrome style          # 88, 256 and true-color style
+        "urwid_theme": [
-        ('heading',                     'light gray,underline', 'default',      'underline',                'g93,underline', 'default'),
+            # Style name                    # 16-color style                        # Monochrome style          # 88, 256 and true-color style
-        ('menubar',                     'black', 'light gray',                  'standout',                 '#111', '#bbb'),
+            ('heading',                     'light gray,underline', 'default',      'underline',                'g93,underline', 'default'),
-        ('shortcutbar',                 'black', 'light gray',                  'standout',                 '#111', '#bbb'),
+            ('menubar',                     'black', 'light gray',                  'standout',                 '#111', '#bbb'),
-        ('body_text',                   'white', 'default',                     'default',                  '#0a0', 'default'),
+            ('scrollbar',                   'black', 'light gray',                  'standout',                 '#444', 'default'),
-        ('error_text',                  'dark red', 'default',                  'default',                  'dark red', 'default'),
+            ('shortcutbar',                 'black', 'light gray',                  'standout',                 '#111', '#bbb'),
-        ('warning_text',                'yellow', 'default',                    'default',                  '#ba4', 'default'),
+            ('body_text',                   'white', 'default',                     'default',                  '#ddd', 'default'),
-        ('inactive_text',               'dark gray', 'default',                 'default',                  'dark gray', 'default'),
+            ('error_text',                  'dark red', 'default',                  'default',                  'dark red', 'default'),
-        ('buttons',                     'light green,bold', 'default',          'default',                  '#00a533', 'default'),
+            ('warning_text',                'yellow', 'default',                    'default',                  '#ba4', 'default'),
-        ('msg_editor',                  'black', 'light cyan',                  'standout',                 '#111', '#0bb'),
+            ('inactive_text',               'dark gray', 'default',                 'default',                  'dark gray', 'default'),
-        ("msg_header_ok",               'black', 'light green',                 'standout',                 '#111', '#6b2'),
+            ('buttons',                     'light green,bold', 'default',          'default',                  '#00a533', 'default'),
-        ("msg_header_caution",          'black', 'yellow',                      'standout',                 '#111', '#fd3'),
+            ('msg_editor',                  'black', 'light cyan',                  'standout',                 '#111', '#0bb'),
-        ("msg_header_sent",             'black', 'light gray',                  'standout',                 '#111', '#ddd'),
+            ("msg_header_ok",               'black', 'light green',                 'standout',                 '#111', '#6b2'),
-        ("msg_header_delivered",        'black', 'light blue',                  'standout',                 '#111', '#28b'),
+            ("msg_header_caution",          'black', 'yellow',                      'standout',                 '#111', '#fd3'),
-        ("msg_header_failed",           'black', 'dark gray',                   'standout',                 'black', 'dark gray'),
+            ("msg_header_sent",             'black', 'light gray',                  'standout',                 '#111', '#ddd'),
-        ("msg_warning_untrusted",       'black', 'dark red',                    'standout',                 '#111', 'dark red'),
+            ("msg_header_delivered",        'black', 'light blue',                  'standout',                 '#111', '#28b'),
-        ("list_focus",                  "black", "light gray",                  "standout",                 "#111", "#bbb"),
+            ("msg_header_failed",           'black', 'dark gray',                   'standout',                 'black', 'dark gray'),
-        ("list_off_focus",              "black", "dark gray",                   "standout",                 "#111", "dark gray"),
+            ("msg_warning_untrusted",       'black', 'dark red',                    'standout',                 '#111', 'dark red'),
-        ("list_trusted",                "light green", "default",               "default",                  "#6b2", "default"),
+            ("list_focus",                  "black", "light gray",                  "standout",                 "#111", "#bbb"),
-        ("list_focus_trusted",          "black", "light gray",                  "standout",                 "#180", "#bbb"),
+            ("list_off_focus",              "black", "dark gray",                   "standout",                 "#111", "dark gray"),
-        ("list_unknown",                "dark gray", "default",                 "default",                  "light gray", "default"),
+            ("list_trusted",                "light green", "default",               "default",                  "#6b2", "default"),
-        ("list_untrusted",              "dark red", "default",                  "default",                  "dark red", "default"),
+            ("list_focus_trusted",          "black", "light gray",                  "standout",                 "#180", "#bbb"),
-        ("list_focus_untrusted",        "black", "light gray",                  "standout",                 "#810", "#bbb"),
+            ("list_unknown",                "dark gray", "default",                 "default",                  "light gray", "default"),
-    ]
+            ("list_normal",                 "dark gray", "default",                 "default",                  "light gray", "default"),
            ("list_untrusted",              "dark red", "default",                  "default",                  "dark red", "default"),
            ("list_focus_untrusted",        "black", "light gray",                  "standout",                 "#810", "#bbb"),
        ],        
    }
 }
 GLYPHSETS = {
    "plain": 1,
    "unicode": 2,
    "nerdfont": 3
 }
 GLYPHS = {
    # Glyph name        # Plain      # Unicode      # Nerd Font
    ("check",           "=",         "\u2713",      "\u2713"),
    ("cross",           "X",         "\u2715",      "\u2715"),
    ("unknown",         "?",         "?",           "?"),
    ("lock",            "E",         "\U0001f512",  "\uf023"),
    ("unlock",          "!",         "\U0001f513",  "\uf09c"),
    ("arrow_r",         "->",        "\u2192",      "\u2192"),
    ("arrow_l",         "<-",        "\u2190",      "\u2190"),
    ("arrow_u",         "/\\",       "\u2191",      "\u2191"),
    ("arrow_d",         "\\/",       "\u2193",      "\u2193"),
    ("warning",         "!",         "\u26a0",      "\uf12a"),
    ("info",            "i",         "\u2139",      "\ufb4d"),
    ("divider1",        "-",         "\u2504",      "\u2504"),
    ("decoration_menu", "",          "",            " \uf93a"),
 }
 class TextUI:
@@ -58,14 +85,28 @@ class TextUI:
        urwid.set_encoding("UTF-8")
-        intro_timeout = self.app.config["textui"]["intro_time"]
+        intro_timeout  = self.app.config["textui"]["intro_time"]
-        colormode     = self.app.config["textui"]["colormode"]
+        colormode      = self.app.config["textui"]["colormode"]
-        theme         = self.app.config["textui"]["theme"]
+        theme          = self.app.config["textui"]["theme"]
        mouse_enabled  = self.app.config["textui"]["mouse_enabled"]
-        palette       = THEMES[theme]
+        self.palette   = THEMES[theme]["urwid_theme"]
        if self.app.config["textui"]["glyphs"] == "plain":
            glyphset = "plain"
        elif self.app.config["textui"]["glyphs"] == "unicoode":
            glyphset = "unicode"
        elif self.app.config["textui"]["glyphs"] == "nerdfont":
            glyphset = "nerdfont"
        else:
            glyphset = "unicode"
        self.glyphs = {}
        for glyph in GLYPHS:
            self.glyphs[glyph[0]] = glyph[GLYPHSETS[glyphset]]
        self.screen = urwid.raw_display.Screen()
-        self.screen.register_palette(palette)
+        self.screen.register_palette(self.palette)
        self.main_display = Main.MainDisplay(self, self.app)
@@ -75,11 +116,16 @@ class TextUI:
        else:
            initial_widget = self.main_display.widget
-        self.loop = urwid.MainLoop(initial_widget, screen=self.screen)
+        self.loop = urwid.MainLoop(initial_widget, screen=self.screen, handle_mouse=mouse_enabled)
        if intro_timeout > 0:
            self.loop.set_alarm_in(intro_timeout, self.display_main)
        # TODO: Probably remove this at some point when better terminal
        # color capability detection has been implemented
        if colormode > 16:
            RNS.log("Starting Text UI in "+str(colormode)+" color mode. If no UI appears, try adjusting your color settings in "+str(self.app.configdir)+"/config", RNS.LOG_INFO)
        self.set_colormode(colormode)
        self.loop.run()
--- a/nomadnet/ui/textui/Config.py
+++ b/nomadnet/ui/textui/Config.py
@@ -0,0 +1,74 @@
 import nomadnet
 import urwid
 class ConfigDisplayShortcuts():
    def __init__(self, app):
        import urwid
        self.app = app
        self.widget = urwid.AttrMap(urwid.Text(""), "shortcutbar")
 class ConfigFiller(urwid.WidgetWrap):
    def __init__(self, widget, app):
        self.app = app
        self.filler = urwid.Filler(widget, "top")
        urwid.WidgetWrap.__init__(self, self.filler)
    def keypress(self, size, key):
        if key == "up":
            self.app.ui.main_display.frame.set_focus("header")
        return super(ConfigFiller, self).keypress(size, key)
 class ConfigDisplay():
    def __init__(self, app):
        import urwid
        self.app = app
        def open_editor(sender):
            self.editor_term = EditorTerminal(self.app, self)
            self.widget = urwid.LineBox(self.editor_term)
            self.app.ui.main_display.update_active_sub_display()
            self.app.ui.main_display.frame.set_focus("body")
            self.editor_term.term.change_focus(True)
        pile = urwid.Pile([
            urwid.Text(("body_text", "\nTo change the configuration, edit the config file located at:\n\n"+self.app.configpath+"\n\nRestart Nomad Network for changes to take effect\n"), align="center"),
            urwid.Padding(urwid.Button("Open Editor", on_press=open_editor), width=15, align="center"),
        ])
        self.config_explainer = ConfigFiller(pile, self.app)
        self.shortcuts_display = ConfigDisplayShortcuts(self.app)
        self.widget = self.config_explainer
    def shortcuts(self):
        return self.shortcuts_display
 class EditorTerminal(urwid.WidgetWrap):
    def __init__(self, app, parent):
        self.app = app
        self.parent = parent
        editor_cmd = self.app.config["textui"]["editor"]
        self.term = urwid.Terminal(
            (editor_cmd, self.app.configpath),
            encoding='utf-8',
            main_loop=self.app.ui.loop,
        )
        def quit_term(*args, **kwargs):
            self.parent.widget = self.parent.config_explainer
            self.app.ui.main_display.update_active_sub_display()
            self.app.ui.main_display.show_config(None)
            self.app.ui.main_display.request_redraw()
        urwid.connect_signal(self.term, 'closed', quit_term)
        urwid.WidgetWrap.__init__(self, self.term)
    def keypress(self, size, key):
        # TODO: Decide whether there should be a way to get out while editing
        #if key == "up":
        #    nomadnet.NomadNetworkApp.get_shared_instance().ui.main_display.frame.set_focus("header")   
        return super(EditorTerminal, self).keypress(size, key)
--- a/nomadnet/ui/textui/Conversations.py
+++ b/nomadnet/ui/textui/Conversations.py
@@ -31,7 +31,7 @@ class ConversationsArea(urwid.LineBox):
            self.delegate.new_conversation()
        elif key == "tab":
            self.delegate.app.ui.main_display.frame.set_focus("header")
-        elif key == "up" and self.delegate.ilb.first_item_is_selected():
+        elif key == "up" and (self.delegate.ilb.first_item_is_selected() or self.delegate.ilb.body_is_empty()):
            self.delegate.app.ui.main_display.frame.set_focus("header")
        else:
            return super(ConversationsArea, self).keypress(size, key)
@@ -127,6 +127,7 @@ class ConversationsDisplay():
        self.columns_widget.contents[0] = (overlay, options)
    def edit_selected_in_directory(self):
        g = self.app.ui.glyphs
        self.dialog_open = True
        source_hash_text = self.ilb.get_selected_item().source_hash
        display_name = self.ilb.get_selected_item().display_name
@@ -195,7 +196,7 @@ class ConversationsDisplay():
        source_is_known = self.app.directory.is_known(bytes.fromhex(source_hash_text))
        if source_is_known:
-            known_section = urwid.Divider("\u2504")
+            known_section = urwid.Divider(g["divider1"])
        else:
            def query_action(sender, user_data):
                self.close_conversation_by_hash(user_data)
@@ -206,12 +207,12 @@ class ConversationsDisplay():
                    (urwid.Button("OK", on_press=dismiss_dialog), options)
                ]
            query_button = urwid.Button("Query network for keys", on_press=query_action, user_data=source_hash_text)
-            known_section = urwid.Pile([urwid.Divider("\u2504"), urwid.Text("\u2139\n", align="center"), urwid.Text("The identity of this peer is not known, and you cannot currently communicate.\n", align="center"), query_button, urwid.Divider("\u2504")])
+            known_section = urwid.Pile([urwid.Divider(g["divider1"]), urwid.Text(g["info"]+"\n", align="center"), urwid.Text("The identity of this peer is not known, and you cannot currently communicate.\n", align="center"), query_button, urwid.Divider(g["divider1"])])
        dialog_pile = urwid.Pile([
            selected_id_widget,
            e_name,
-            urwid.Divider("\u2504"),
+            urwid.Divider(g["divider1"]),
            r_untrusted,
            r_unknown,
            r_trusted,
@@ -322,6 +323,10 @@ class ConversationsDisplay():
        self.currently_displayed_conversation = source_hash
        options = self.widget.options("weight", 1-ConversationsDisplay.list_width)
        self.widget.contents[1] = (self.make_conversation_widget(source_hash), options)
        if source_hash == None:
            self.widget.set_focus_column(0)
        else:
            self.widget.set_focus_column(1)
    def make_conversation_widget(self, source_hash):
@@ -360,8 +365,10 @@ class ConversationsDisplay():
        display_name = conversation[1]
        source_hash  = conversation[0]
        g = self.app.ui.glyphs
        if trust_level == DirectoryEntry.UNTRUSTED:
-            symbol        = "\u2715"
+            symbol        = g["cross"]
            style         = "list_untrusted"
            focus_style   = "list_focus_untrusted"
        elif trust_level == DirectoryEntry.UNKNOWN:
@@ -369,15 +376,15 @@ class ConversationsDisplay():
            style         = "list_unknown"
            focus_style   = "list_focus"
        elif trust_level == DirectoryEntry.TRUSTED:
-            symbol        = "\u2713"
+            symbol        = g["check"]
            style         = "list_trusted"
            focus_style   = "list_focus_trusted"
        elif trust_level == DirectoryEntry.WARNING:
-            symbol        = "\u26A0"
+            symbol        = g["warning"]
            style         = "list_warning"
            focus_style   = "list_focus"
        else:
-            symbol        = "\u26A0"
+            symbol        = g["warning"]
            style         = "list_untrusted"
            focus_style   = "list_focus_untrusted"
@@ -467,6 +474,8 @@ class ConversationFrame(urwid.Frame):
 class ConversationWidget(urwid.WidgetWrap):
    def __init__(self, source_hash):
        self.app = nomadnet.NomadNetworkApp.get_shared_instance()
        g = self.app.ui.glyphs
        if source_hash == None:
            self.frame = None
            display_widget = urwid.LineBox(urwid.Filler(urwid.Text("\n  No conversation selected"), "top"))
@@ -496,7 +505,7 @@ class ConversationWidget(urwid.WidgetWrap):
                header = None
                if self.conversation.trust_level == DirectoryEntry.UNTRUSTED:
-                    header = urwid.AttrMap(urwid.Padding(urwid.Text("\u26A0 Warning: Conversation with untrusted peer \u26A0", align="center")), "msg_warning_untrusted")
+                    header = urwid.AttrMap(urwid.Padding(urwid.Text(g["warning"]+" Warning: Conversation with untrusted peer "+g["warning"], align="center")), "msg_warning_untrusted")
                self.minimal_editor = urwid.AttrMap(msg_editor, "msg_editor")
                self.minimal_editor.name = "minimal_editor"
@@ -544,12 +553,13 @@ class ConversationWidget(urwid.WidgetWrap):
            self.full_editor_active = True
    def check_editor_allowed(self):
        g = self.app.ui.glyphs
        if self.frame:
            allowed = nomadnet.NomadNetworkApp.get_shared_instance().directory.is_known(bytes.fromhex(self.source_hash))
            if allowed:
                self.frame.contents["footer"] = (self.minimal_editor, None)
            else:
-                warning = urwid.AttrMap(urwid.Padding(urwid.Text("\u2139 You cannot currently communicate with this peer, since it's identity keys are unknown", align="center")), "msg_header_caution")
+                warning = urwid.AttrMap(urwid.Padding(urwid.Text(g["info"]+" You cannot currently communicate with this peer, since it's identity keys are unknown", align="center")), "msg_header_caution")
                self.frame.contents["footer"] = (warning, None)
    def toggle_focus_area(self):
@@ -626,34 +636,35 @@ class ConversationWidget(urwid.WidgetWrap):
 class LXMessageWidget(urwid.WidgetWrap):
    def __init__(self, message):
        app = nomadnet.NomadNetworkApp.get_shared_instance()
        g = app.ui.glyphs
        self.timestamp = message.get_timestamp()
        time_format = app.time_format
        message_time = datetime.fromtimestamp(self.timestamp)
        encryption_string = ""
        if message.get_transport_encrypted():
-            encryption_string = " [\U0001F512"+str(message.get_transport_encryption())+"]"
+            encryption_string = " ["+g["lock"]+" "+str(message.get_transport_encryption())+"]"
        else:
-            encryption_string = " [\U0001F513"+str(message.get_transport_encryption())+"]"
+            encryption_string = " ["+g["unlock"]+" "+str(message.get_transport_encryption())+"]"
        title_string = message_time.strftime(time_format)+encryption_string
        if app.lxmf_destination.hash == message.lxm.source_hash:
            if message.lxm.state == LXMF.LXMessage.DELIVERED:
                header_style = "msg_header_delivered"
-                title_string = "\u2713 " + title_string
+                title_string = g["check"]+" "+title_string
            elif message.lxm.state == LXMF.LXMessage.FAILED:
                header_style = "msg_header_failed"
-                title_string = "\u2715 " + title_string
+                title_string = g["cross"]+" "+title_string
            else:
                header_style = "msg_header_sent"
-                title_string = "\u2192 " + title_string
+                title_string = g["arrow_r"]+" "+title_string
        else:
            if message.signature_validated():
                header_style = "msg_header_ok"
-                title_string = "\u2713 " + title_string
+                title_string = g["check"]+" "+title_string
            else:
                header_style = "msg_header_caution"
-                title_string = "\u26A0 "+message.get_signature_description() + "\n  " + title_string
+                title_string = g["warning"]+" "+message.get_signature_description() + "\n  " + title_string
        if message.get_title() != "":
            title_string += " | " + message.get_title()
--- a/nomadnet/ui/textui/Guide.py
+++ b/nomadnet/ui/textui/Guide.py
@@ -0,0 +1,452 @@
 import RNS
 import urwid
 import nomadnet
 from nomadnet.vendor.additional_urwid_widgets import IndicativeListBox, MODIFIER_KEY
 from .MicronParser import markup_to_attrmaps
 from nomadnet.vendor.Scrollable import *
 class GuideDisplayShortcuts():
    def __init__(self, app):
        self.app = app
        g = app.ui.glyphs
        self.widget = urwid.AttrMap(urwid.Text(""), "shortcutbar")
 class ListEntry(urwid.Text):
    _selectable = True
    signals = ["click"]
    def keypress(self, size, key):
        """
        Send 'click' signal on 'activate' command.
        """
        if self._command_map[key] != urwid.ACTIVATE:
            return key
        self._emit('click')
    def mouse_event(self, size, event, button, x, y, focus):
        """
        Send 'click' signal on button 1 press.
        """
        if button != 1 or not urwid.util.is_mouse_press(event):
            return False
        self._emit('click')
        return True
 class SelectText(urwid.Text):
    _selectable = True
    signals = ["click"]
    def keypress(self, size, key):
        """
        Send 'click' signal on 'activate' command.
        """
        if self._command_map[key] != urwid.ACTIVATE:
            return key
        self._emit('click')
    def mouse_event(self, size, event, button, x, y, focus):
        """
        Send 'click' signal on button 1 press.
        """
        if button != 1 or not urwid.util.is_mouse_press(event):
            return False
        self._emit('click')
        return True
 class GuideEntry(urwid.WidgetWrap):
    def __init__(self, app, reader, topic_name):
        self.app = app
        self.reader = reader
        g = self.app.ui.glyphs
        widget = ListEntry(topic_name)
        urwid.connect_signal(widget, "click", self.display_topic, topic_name)
        style = "list_normal"
        focus_style = "list_focus"
        self.display_widget = urwid.AttrMap(widget, style, focus_style)
        urwid.WidgetWrap.__init__(self, self.display_widget)
    def display_topic(self, event, topic):
        markup = TOPICS[topic]
        attrmaps = markup_to_attrmaps(markup)
        self.reader.set_content_widgets(attrmaps)
 class TopicList(urwid.WidgetWrap):
    def __init__(self, app, guide_display):
        self.app = app
        g = self.app.ui.glyphs
        self.topic_list = [
            GuideEntry(self.app, guide_display, "Introduction"),
            # GuideEntry(self.app, guide_display, "Conversations"),
            GuideEntry(self.app, guide_display, "Markup"),
            GuideEntry(self.app, guide_display, "First Run"),
            GuideEntry(self.app, guide_display, "Credits & Licenses"),
        ]
        self.ilb = IndicativeListBox(
            self.topic_list,
            initialization_is_selection_change=False,
        )
        urwid.WidgetWrap.__init__(self, urwid.LineBox(self.ilb, title="Topics"))
    def keypress(self, size, key):
        if key == "up" and (self.ilb.first_item_is_selected()):
            nomadnet.NomadNetworkApp.get_shared_instance().ui.main_display.frame.set_focus("header")
        return super(TopicList, self).keypress(size, key)
 class GuideDisplay():
    list_width = 0.33
    def __init__(self, app):
        self.app = app
        g = self.app.ui.glyphs
        topic_text = urwid.Text("\nNo topic selected", align="left")
        self.left_area  = TopicList(self.app, self)
        self.right_area = urwid.LineBox(urwid.Filler(topic_text, "top"))
        self.columns = urwid.Columns(
            [
                ("weight", GuideDisplay.list_width, self.left_area),
                ("weight", 1-GuideDisplay.list_width, self.right_area)
            ],
            dividechars=0, focus_column=0
        )
        self.shortcuts_display = GuideDisplayShortcuts(self.app)
        self.widget = self.columns
    def set_content_widgets(self, new_content):
        options = self.columns.options(width_type="weight", width_amount=1-GuideDisplay.list_width)
        pile = urwid.Pile(new_content)
        #content = urwid.LineBox(urwid.Filler(pile, "top"))
        content = urwid.LineBox(urwid.AttrMap(ScrollBar(Scrollable(pile), thumb_char="\u2503", trough_char=" "), "scrollbar"))
        self.columns.contents[1] = (content, options)
    def shortcuts(self):
        return self.shortcuts_display
 TOPIC_INTRODUCTION = '''>Nomad Network
 `c`*Communicate Freely.`*
 `a
 The intention with this program is to provide a tool to that allows you to build private and resilient communications platforms that are in complete control and ownership of the people that use them.
 Nomad Network is build on LXMF and Reticulum, which together provides the cryptographic mesh functionality and peer-to-peer message routing that Nomad Network relies on. This foundation also makes it possible to use the program over a very wide variety of communication mediums, from packet radio to gigabit fiber.
 Nomad Network does not need any connections to the public internet to work. In fact, it doesn't even need an IP or Ethernet network. You can use it entirely over packet radio, LoRa or even serial lines. But if you wish, you can bridge islanded Reticulum networks over the Internet or private ethernet networks, or you can build networks running completely over the Internet. The choice is yours.
 The current version of the program should be considered an alpha release. The program works well, but there will most probably be bugs and possibly sub-optimal performance in some scenarios. On the other hand, this is the best time to have an influence on the direction of the development of Nomad Network. To do so, join the discussion on the Nomad Network project on GitHub.
 >Concepts and Terminology
 The following section will briefly introduce various concepts and terms used in the program.
 >>Peer
 A `*peer`* refers to another Nomad Network client, which will generally be operated by another person. But since Nomad Network is a general LXMF client, it could also be any other LXMF client, program, automated system or machine that can communicate over LXMF.
 >>Announces
 An `*announce`* can be sent by any peer on the network, which will notify other peers of its existence, and contains the cryptographic keys that allows other peers to communicate with it.
 In the `![ Network ]`! section of the program, you can monitor announces on the network, initiate conversations with announced peers, and announce your own peer on the network.
 >>Conversations
 Nomad Network uses the term `*conversation`* to signify both direct peer-to-peer messaging threads, and also discussion threads with an arbitrary number of participants that might change over time.
 Both things like discussion forums and chat threads can be encapsulated as conversations in Nomad Network. The user interface will indicate the different characteristics a conversation can take, and also what form of transport encryption messages within used.
 In the `![ Conversations ]`! part of the program you can view and interact with all currently active conversations. You can also edit nickname and trust settings for peers here.
 >>Node
 A Nomad Network `*node`* is an instance of the Nomad Network program that has been configured to host information for other peers and help propagate messages and information on the network.
 Nodes can host pages (similar to webpages) written in a markup-language called `*micron`*, as well as make files and other resources available for download for peers on the network. Nodes are also integral in allowing forum/discussion threads to exist and propagate on the network.
 If no nodes exist on a network, all peers will still be able to communicate directly peer-to-peer, but both endpoints of a conversation will need to be online at the same time to converse. When nodes exist on the network, messages will be held and syncronised between nodes for deferred delivery if the destination peer is unavailable.
 '''
 TOPIC_CONVERSATIONS = '''Conversations
 =============
 Conversations in Nomad Network
 '''
 TOPIC_MARKUP = '''>Outputting Formatted Text
 >>>>>>>>>>>>>>>
 -\u223f
 <
 `c`!Hello!`! This is output from `*micron`*
 Micron generates formatted text for your terminal
 `a
 >>>>>>>>>>>>>>>
 -\u223f
 <
 Nomad Network supports a simple and functional markup language called `*micron`*. If you are familiar with `*markdown`* or `*HTML`*, you will feel right at home writing pages with micron.
 With micron you can easily create structured documents and pages with formatting, colors, glyphs and icons, ideal for display in terminals.
 >>Recommendations and Requirements
 While micron can output formatted text to even the most basic terminal, there's a few capabilities your terminal `*must`* support to display micron output correctly, and some that, while not strictly necessary, make the experience a lot better.
 >>>Encoding
 All micron sources are intepreted as UTF-8, and micron assumes it can output UTF-8 characters to the terminal. If your terminal does not support UTF-8, output will be faulty.
 >>>Colors
 Shading and coloring text and backgrounds is integral to micron output, and while micron will attempt to gracefully degrade output even to 1-bit terminals, you will get the best output with terminals supporting at least 256 colors. True-color support is recommended.
 >>>Terminal Font
 While any font any unicode capable font can be used with micron, it's highly recommended to use a `*"Nerd Font"`* (see https://www.nerdfonts.com/), which will add a lot of extra glyphs and icons to your output.
 > A Few Demo Outputs
 `F222`Bddd
 `cWith micron, you can control layout and presentation
 `a
 ``
 `B33f
 You can change background ...
 ``
 `B393
 `r`F320... and foreground colors`f
 `a
 `b
 If you want to make a break, horizontal dividers can be inserted. They can be plain, like the one below this text, or you can style them with unicode characters and glyphs, like the wavy divider in the beginning of this document.
 -
 `cText can be `_underlined`_, `!bold`! or `*italic`*.
 You can also `_`*`!`B5d5`F222combine`f`b`_ `_`Ff00f`Ff80o`Ffd0r`F9f0m`F0f2a`F0fdt`F07ft`F43fi`F70fn`Fe0fg`` for some fabulous effects.
 `a
 >>>Sections and Headings
 You can define an arbitrary number of sections and sub sections, each with their own named headings. Text inside sections will be automatically indented.
 -
 If you place a divider inside a section, it will adhere to the section indents.
 >>>>>
 If no heading text is defined, the section will appear as a sub-section without a header. This can be useful for creating indented blocks of text, like this one.
 >Micron tags
 Tags are used to format text with micron. Some tags can appear anywhere in text, and some must appear at the beginning of a line. If you need to write text that contains a sequence that would be interpreted as a tag, you can escape it with the character \\.
 In the following sections, the different tags will be introduced. Any styling set within micron can be reset to the default style by using the special \\`\\` tag anywhere in the markup, which will immediately remove any formatting previously specified. 
 >>Alignment
 To control text alignment use the tag \\`c to center text, \\`l to left-align, \\`r to right-align, and \\`a to return to the default alignment of the document. Alignment tags must appear at the beginning of a line. Here is an example:
 `Faaa
 `=
 `cThis line will be centered.
 So will this.
 `aThe alignment has now been returned to default.
 `rThis will be aligned to the right
 ``
 `=
 ``
 The above markup produces the following output:
 `Faaa`B333
 `cThis line will be centered.
 So will this.
 `aThe alignment has now been returned to default.
 `rThis will be aligned to the right
 ``
 >>Formatting
 Text can be formatted as `!bold`! by using the \\`! tag, `_underline`_ by using the \\`_ tag and `*italic`* by using the \\`* tag.
 Here's an example of formatting text:
 `Faaa
 `=
 We shall soon see `!bold`! paragraphs of text decorated with `_underlines`_ and `*italics`*. Some even dare `!`*`_combine`` them!
 `=
 ``
 The above markup produces the following output:
 `Faaa`B333
 We shall soon see `!bold`! paragraphs of text decorated with `_underlines`_ and `*italics`*. Some even dare `!`*`_combine`!`*`_ them!
 ``
 >>Sections
 To create sections and subsections, use the > tag. This tag must be placed at the beginning of a line. To specify a sub-section of any level, use any number of > tags. If text is placed after a > tag, it will be used as a heading.
 Here is an example of sections:
 `Faaa
 `=
 >High Level Stuff
 This is a section. It contains this text.
 >>Another Level
 This is a sub section.
 >>>Going deeper
 A sub sub section. We could continue, but you get the point.
 >>>>
 Wait! It's worth noting that we can also create sections without headings. They look like this.
 `=
 ``
 The above markup produces the following output:
 `Faaa`B333
 >High Level Stuff
 This is a section. It contains this text.
 >>Another Level
 This is a sub section.
 >>>Going deeper
 A sub sub section. We could continue, but you get the point.
 >>>>
 Wait! It's worth noting that we can also create sections without headings. They look like this.
 ``
 >Colors
 Foreground colors can be specified with the \\`F tag, followed by three hexadecimal characters. To return to the default foreground color, use the \\`f tag. Background color is specified in the same way, but by using the \\`B and \\`b tags.
 Here's a few examples:
 `Faaa
 `=
 You can use `B5d5`F222 color `f`b `Ff00f`Ff80o`Ffd0r`F9f0m`F0f2a`F0fdt`F07ft`F43fi`F70fn`Fe0fg`f for some fabulous effects.
 `=
 ``
 The above markup produces the following output:
 `Faaa`B333
 You can use `B5d5`F222 color `f`B333 `Ff00f`Ff80o`Ffd0r`F9f0m`F0f2a`F0fdt`F07ft`F43fi`F70fn`Fe0fg`f for some fabulous effects.
 ``
 >Literals
 To display literal content, for example source-code, or blocks of text that should not be interpreted by micron, you can use literal blocks, specified by the \\`= tag. Below is the source code of this entire document, presented as a literal block.
 -
 `=
 '''
 TOPIC_MARKUP += TOPIC_MARKUP.replace("`=", "\\`=") + "[ micron source for document goes here, we don't want infinite recursion now, do we? ]\n\\`="
 TOPIC_MARKUP += "\n`=\n\n>Closing Remarks\n\nIf you made it all the way here, you should be well equipped to write documents and pages using micron. Thank you for staying with me.\n\n`c\U0001F332\n"
 TOPIC_FIRST_RUN = '''>First Time Information
 Hi there. This first run message will only appear once. It contains a few pointers on getting started with Nomad Network, and getting the most out of the program. You're currently located in the guide section of the program. I'm sorry I had to drag you here by force, but it will only happen this one time, I promise. If you ever get lost, return here and peruse the list of topics you see on the left. I will do my best to fill it with answers to mostly anything about Nomad Network.
 To get the most out of Nomad Network, you will need a terminal that supports UTF-8 and at least 256 colors, ideally true-color. By default, Nomad Network starts in low-color mode. It does this for the sake of compatibility, but it does look rather ugly. If your terminal supports true-color or just 256 colors, you should go to the `![ Config ]`! menu item, launch the editor and change the configuration to use a high-color mode.
 If you don't already have a Nerd Font installed (see https://www.nerdfonts.com/), I also highly recommend to do so, since it will greatly expand the amount of glyphs, icons and graphics that Nomad Network can use.
 Nomad Network expects that you are already connected to some form of Reticulum network. That could be as simple as the default UDP-based demo interface on your local ethernet network, or as advanced as some elaborate hybrid RF and free-space optical laser network. This short guide won't go into any details on that, but you will find other entries in the guide that deal with network setup and configuration.
 At least, if Nomad Network launches, it means that it is connected to a running Reticulum instance, that should in turn be connected to `*something`*, which should get you started.
 Now go out there and explore. This is still early days. See what you can find and create.
 >>>>>>>>>>>>>>>
 -\u223f
 <
 '''
 TOPIC_LICENSES = '''>Thanks, Acknowledgements and Licenses
 This program uses various other software components, without which Nomad Network would not have been possible. Sincere thanks to the authors and contributors of the following projects
 >>>
 - `!Cryptography.io`! by `*pyca`*
   BSD License
 - `!Additional Urwid Widgets`! by `*AFoeee`*
   MIT License
 - `!Scrollable`! by `*rndusr`*
   GPLv3 License
 - `!Configobj`! by `*Michael Foord`*
   BSD License
 - `!Reticulum Network Stack`! by `*unsignedmark`*
   MIT License
 - `!LXMF`! by `*unsignedmark`*
   MIT License
 '''
 TOPICS = {
    "Introduction": TOPIC_INTRODUCTION,
    "Conversations": TOPIC_CONVERSATIONS,
    "Markup": TOPIC_MARKUP,
    "First Run": TOPIC_FIRST_RUN,
    "Credits & Licenses": TOPIC_LICENSES,
 }
--- a/nomadnet/ui/textui/Log.py
+++ b/nomadnet/ui/textui/Log.py
@@ -0,0 +1,38 @@
 import urwid
 import nomadnet
 class LogDisplayShortcuts():
    def __init__(self, app):
        import urwid
        self.app = app
        self.widget = urwid.AttrMap(urwid.Text(""), "shortcutbar")
 class LogDisplay():
    def __init__(self, app):
        import urwid
        self.app = app
        self.log_term = LogTerminal(self.app)
        self.shortcuts_display = LogDisplayShortcuts(self.app)
        self.widget = urwid.LineBox(self.log_term)
    def shortcuts(self):
        return self.shortcuts_display
 class LogTerminal(urwid.WidgetWrap):
    def __init__(self, app):
        self.app = app
        self.log_term = urwid.Terminal(
            ("tail", "-fn50", self.app.logfilepath),
            encoding='utf-8',
            escape_sequence="up"
        )
        urwid.WidgetWrap.__init__(self, self.log_term)
    def keypress(self, size, key):
        if key == "up":
            nomadnet.NomadNetworkApp.get_shared_instance().ui.main_display.frame.set_focus("header")
        return super(LogTerminal, self).keypress(size, key)
--- a/nomadnet/ui/textui/Main.py
+++ b/nomadnet/ui/textui/Main.py
@@ -4,7 +4,10 @@ import time
 from .Network import *
 from .Conversations import *
 from .Directory import *
 from .Config import *
 from .Map import *
 from .Log import *
 from .Guide import *
 import urwid
 class SubDisplays():
@@ -13,7 +16,10 @@ class SubDisplays():
        self.network_display = NetworkDisplay(self.app)
        self.conversations_display = ConversationsDisplay(self.app)
        self.directory_display = DirectoryDisplay(self.app)
        self.config_display = ConfigDisplay(self.app)
        self.map_display = MapDisplay(self.app)
        self.log_display = LogDisplay(self.app)
        self.guide_display = GuideDisplay(self.app)
        self.active_display = self.conversations_display
@@ -68,8 +74,8 @@ class MainFrame(urwid.Frame):
    def keypress(self, size, key):
        self.keypress_focus_check()
-        if key == "ctrl q":
+        #if key == "ctrl q":
-            raise urwid.ExitMainLoop
+        #    raise urwid.ExitMainLoop
        return super(MainFrame, self).keypress(size, key)
@@ -101,6 +107,18 @@ class MainDisplay():
        self.sub_displays.active_display = self.sub_displays.map_display
        self.update_active_sub_display()
    def show_config(self, user_data):
        self.sub_displays.active_display = self.sub_displays.config_display
        self.update_active_sub_display()
    def show_log(self, user_data):
        self.sub_displays.active_display = self.sub_displays.log_display
        self.update_active_sub_display()
    def show_guide(self, user_data):
        self.sub_displays.active_display = self.sub_displays.guide_display
        self.update_active_sub_display()
    def update_active_sub_display(self):
        self.frame.contents["body"] = (self.sub_displays.active().widget, None)
        self.update_active_shortcuts()
@@ -108,6 +126,12 @@ class MainDisplay():
    def update_active_shortcuts(self):
        self.frame.contents["footer"] = (self.sub_displays.active().shortcuts().widget, None)
    def request_redraw(self):
        self.app.ui.loop.set_alarm_in(0.25, self.redraw_now)
    def redraw_now(self, sender=None, data=None):
        self.app.ui.loop.draw_screen()
    def quit(self, sender=None):
        raise urwid.ExitMainLoop
@@ -122,16 +146,24 @@ class MenuColumns(urwid.Columns):
 class MenuDisplay():
    def __init__(self, app, handler):
        self.app = app
        g = self.app.ui.glyphs
-        menu_text            = ("pack", urwid.Text(" \U00002638"))
+        menu_text            = ("pack", urwid.Text(g["decoration_menu"]))
        button_network       = (11, MenuButton("Network", on_press=handler.show_network))
        button_conversations = (17, MenuButton("Conversations", on_press=handler.show_conversations))
        button_directory     = (13, MenuButton("Directory", on_press=handler.show_directory))
-        button_map           = (7, MenuButton("Map", on_press=handler.show_map))
+        button_map           = (7,  MenuButton("Map", on_press=handler.show_map))
-        button_quit          = (8, MenuButton("Quit", on_press=handler.quit))
+        button_log           = (7,  MenuButton("Log", on_press=handler.show_log))
        button_config        = (10, MenuButton("Config", on_press=handler.show_config))
        button_guide         = (9,  MenuButton("Guide", on_press=handler.show_guide))
        button_quit          = (8,  MenuButton("Quit", on_press=handler.quit))
        # buttons = [menu_text, button_conversations, button_node, button_directory, button_map]
-        buttons = [menu_text, button_conversations, button_network, button_quit]
+        if self.app.config["textui"]["hide_guide"]:
            buttons = [menu_text, button_conversations, button_network, button_log, button_config, button_quit]
        else:
            buttons = [menu_text, button_conversations, button_network, button_log, button_config, button_guide, button_quit]
        columns = MenuColumns(buttons, dividechars=1)
        columns.handler = handler
--- a/nomadnet/ui/textui/MicronParser.py
+++ b/nomadnet/ui/textui/MicronParser.py
@@ -0,0 +1,275 @@
 import nomadnet
 import urwid
 import re
 STYLES = {
    "plain":    { "fg": "bbb", "bg": "default", "bold": False, "underline": False, "italic": False },
    "heading1": { "fg": "222", "bg": "bbb", "bold": False, "underline": False, "italic": False },
    "heading2": { "fg": "111", "bg": "999", "bold": False, "underline": False, "italic": False },
    "heading3": { "fg": "000", "bg": "777", "bold": False, "underline": False, "italic": False },
 }
 SYNTH_STYLES = []
 SECTION_INDENT = 2
 INDENT_RIGHT   = 1
 def markup_to_attrmaps(markup):
    attrmaps = []
    state = {
        "literal": False,
        "depth": 0,
        "fg_color": "default",
        "bg_color": "default",
        "formatting": {
            "bold": False,
            "underline": False,
            "italic": False,
            "strikethrough": False,
            "blink": False,
        },
        "default_align": "left",
        "align": "left",
    }
    # Split entire document into lines for
    # processing.
    lines = markup.split("\n");
    for line in lines:
        if len(line) > 0:
            display_widget = parse_line(line, state)
        else:
            display_widget = urwid.Text("")
        if display_widget != None:
            attrmap = urwid.AttrMap(display_widget, make_style(state))
            attrmaps.append(attrmap)
    return attrmaps
 def parse_line(line, state):
    if len(line) > 0:
        first_char = line[0]
        # Check for literals
        if len(line) == 2 and line == "`=":
            state["literal"] ^= True
            return None
        # Only parse content if not in literal state
        if not state["literal"]:
            # Check if the command is an escape
            if first_char == "\\":
                line = line[1:]
            # Check for section heading reset
            elif first_char == "<":
                state["depth"] = 0
                return parse_line(line[1:], state)
            # Check for section headings
            elif first_char == ">":
                i = 0
                while i < len(line) and line[i] == ">":
                    i += 1
                    state["depth"] = i
                    for j in range(1, i+1):
                        wanted_style = "heading"+str(i)
                        if wanted_style in STYLES:
                            style = STYLES[wanted_style]
                line = line[state["depth"]:]
                if len(line) > 0:
                    latched_style = state_to_style(state)
                    style_to_state(style, state)
                    heading_style = make_style(state)
                    output = make_output(state, line)
                    style_to_state(latched_style, state)
                    if len(output) > 0:
                        first_style = output[0][0]
                        heading_style = first_style
                        output.insert(0, " "*left_indent(state))
                        return urwid.AttrMap(urwid.Text(output, align=state["align"]), heading_style)
                    else:
                        return None
                else:
                    return None
            # Check for horizontal dividers
            elif first_char == "-":
                if len(line) == 2:
                    divider_char = line[1]
                else:
                    divider_char = "\u2500"
                if state["depth"] == 0:
                    return urwid.Divider(divider_char)
                else:
                    return urwid.Padding(urwid.Divider(divider_char), left=left_indent(state), right=right_indent(state))
        output = make_output(state, line)
        if output != None:
            if state["depth"] == 0:
                return urwid.Text(output, align=state["align"])
            else:
                return urwid.Padding(urwid.Text(output, align=state["align"]), left=left_indent(state), right=right_indent(state))
        else:
            return None
    else:
        return None
 def left_indent(state):
    return (state["depth"]-1)*SECTION_INDENT
 def right_indent(state):
    return (state["depth"]-1)*SECTION_INDENT
 def make_part(state, part):
    return (make_style(state), part)
 def state_to_style(state):
    return { "fg": state["fg_color"], "bg": state["bg_color"], "bold": state["formatting"]["bold"], "underline": state["formatting"]["underline"], "italic": state["formatting"]["italic"] }
 def style_to_state(style, state):
    if style["fg"] != None:
        state["fg_color"] = style["fg"]
    if style["bg"] != None:
        state["bg_color"] = style["bg"]
    if style["bold"] != None:
        state["formatting"]["bold"] = style["bold"]
    if style["underline"] != None:
        state["formatting"]["underline"] = style["underline"]
    if style["italic"] != None:
        state["formatting"]["italic"] = style["italic"]
 def make_style(state):
    def mono_color(fg, bg):
        return "default"
    def low_color(color):
        # TODO: Implement
        return "default"
    def high_color(color):
        if color == "default":
            return color
        else:
            return "#"+color
    bold      = state["formatting"]["bold"]
    underline = state["formatting"]["underline"]
    italic    = state["formatting"]["italic"]
    fg        = state["fg_color"]
    bg        = state["bg_color"]
    format_string = ""
    if bold:
        format_string += ",bold"
    if underline:
        format_string += ",underline"
    if italic:
        format_string += ",italics"
    name = "micron_"+fg+"_"+bg+"_"+format_string
    if not name in SYNTH_STYLES:
        screen = nomadnet.NomadNetworkApp.get_shared_instance().ui.screen
        screen.register_palette_entry(name, low_color(fg)+format_string,low_color(bg),mono_color(fg, bg)+format_string,high_color(fg)+format_string,high_color(bg))
        SYNTH_STYLES.append(name)
    return name
 def make_output(state, line):
    output = []
    if state["literal"]:
        if line == "\\`=":
            line = "`="
        output.append(make_part(state, line))
    else:
        part = ""
        mode = "text"
        escape = False
        skip = 0
        for i in range(0, len(line)):
            c = line[i]
            if skip > 0:
                skip -= 1
            else:
                if mode == "formatting":
                    if c == "_":
                        state["formatting"]["underline"] ^= True
                    elif c == "!":
                        state["formatting"]["bold"] ^= True
                    elif c == "*":
                        state["formatting"]["italic"] ^= True
                    elif c == "F":
                        if len(line) >= i+4:
                            color = line[i+1:i+4]
                            state["fg_color"] = color
                            skip = 3
                    elif c == "f":
                        state["fg_color"] = "default"
                    elif c == "B":
                        if len(line) >= i+4:
                            color = line[i+1:i+4]
                            state["bg_color"] = color
                            skip = 3
                    elif c == "b":
                        state["bg_color"] = "default"
                    elif c == "`":
                        state["formatting"]["bold"]      = False 
                        state["formatting"]["underline"] = False
                        state["formatting"]["italic"]    = False
                        state["fg_color"] = "default"
                        state["bg_color"] = "default"
                        state["align"] = state["default_align"]
                    elif c == "c":
                        if state["align"] != "center":
                            state["align"] = "center"
                        else:
                            state["align"] = state["default_align"]
                    elif c == "l":
                        if state["align"] != "left":
                            state["align"] = "left"
                        else:
                            state["align"] = state["default_align"]
                    elif c == "r":
                        if state["align"] != "right":
                            state["align"] = "right"
                        else:
                            state["align"] = state["default_align"]
                    elif c == "a":
                        state["align"] = state["default_align"]
                    mode = "text"
                    if len(part) > 0:
                        output.append(make_part(state, part))
                elif mode == "text":
                    if c == "\\":
                        escape = True
                    elif c == "`":
                        if escape:
                            part += c
                            escape = False
                        else:
                            mode = "formatting"
                            if len(part) > 0:
                                output.append(make_part(state, part))
                                part = ""
                    else:
                        part += c
            if i == len(line)-1:
                if len(part) > 0:
                    output.append(make_part(state, part))
    if len(output) > 0:
        return output
    else:
        return None
--- a/nomadnet/ui/textui/Network.py
+++ b/nomadnet/ui/textui/Network.py
@@ -8,8 +8,9 @@ from nomadnet.vendor.additional_urwid_widgets import IndicativeListBox, MODIFIER
 class NetworkDisplayShortcuts():
    def __init__(self, app):
        self.app = app
        g = app.ui.glyphs
-        self.widget = urwid.AttrMap(urwid.Text("Network Display Shortcuts"), "shortcutbar")
+        self.widget = urwid.AttrMap(urwid.Text("[C-"+g["arrow_u"]+g["arrow_d"]+"] Navigate announces"), "shortcutbar")
 class DialogLineBox(urwid.LineBox):
@@ -44,43 +45,139 @@ class ListEntry(urwid.Text):
        self._emit('click')
        return True
 class AnnounceInfo(urwid.WidgetWrap):
    def __init__(self, announce, parent, app):
        self.app = nomadnet.NomadNetworkApp.get_shared_instance()
        self.parent = self.app.ui.main_display.sub_displays.network_display
        g = self.app.ui.glyphs
        source_hash  = announce[1]
        time_format  = app.time_format
        dt           = datetime.fromtimestamp(announce[0])
        ts_string    = dt.strftime(time_format)
        trust_level  = self.app.directory.trust_level(source_hash)
        trust_str    = ""
        display_str  = self.app.directory.simplest_display_str(source_hash)
        addr_str     = "<"+RNS.hexrep(source_hash, delimit=False)+">"
        try:
            data_str = announce[2].decode("utf-8")
            data_style = ""
            if trust_level != DirectoryEntry.TRUSTED and len(data_str) > 32:
                data_str = data_str[:32]+" [...]"
        except Exception as e:
            data_str = "Decode failed"
            data_style = "list_untrusted"
        if trust_level == DirectoryEntry.UNTRUSTED:
            trust_str     = "Untrusted"
            symbol        = g["cross"]
            style         = "list_untrusted"
        elif trust_level == DirectoryEntry.UNKNOWN:
            trust_str     = "Unknown"
            symbol        = g["unknown"]
            style         = "list_unknown"
        elif trust_level == DirectoryEntry.TRUSTED:
            trust_str     = "Trusted"
            symbol        = g["check"]
            style         = "list_trusted"
        elif trust_level == DirectoryEntry.WARNING:
            trust_str     = "Warning"
            symbol        = g["warning"]
            style         = "list_warning"
        else:
            trust_str     = "Warning"
            symbol        = g["warning"]
            style         = "list_untrusted"
        def show_announce_stream(sender):
            options = self.parent.left_pile.options(height_type="weight", height_amount=1)
            self.parent.left_pile.contents[1] = (AnnounceStream(self.app, self.parent), options)
        def converse(sender):
            show_announce_stream(None)
            try:
                existing_conversations = nomadnet.Conversation.conversation_list(self.app)
                source_hash_text = RNS.hexrep(source_hash, delimit=False)
                display_name = data_str
                if not source_hash_text in [c[0] for c in existing_conversations]:
                    entry = DirectoryEntry(source_hash, display_name, trust_level)
                    self.app.directory.remember(entry)
                    new_conversation = nomadnet.Conversation(source_hash_text, nomadnet.NomadNetworkApp.get_shared_instance(), initiator=True)
                    self.app.ui.main_display.sub_displays.conversations_display.update_conversation_list()
                self.app.ui.main_display.sub_displays.conversations_display.display_conversation(None, source_hash_text)
                self.app.ui.main_display.show_conversations(None)
            except Exception as e:
                RNS.log("Error while starting conversation from announce. The contained exception was: "+str(e), RNS.LOG_ERROR)
        pile = urwid.Pile([
            urwid.Text("Addr  : "+addr_str, align="left"),
            urwid.Text("Name  : "+display_str, align="left"),
            urwid.Text(["Trust : ", (style, trust_str)], align="left"),
            urwid.Divider(g["divider1"]),
            urwid.Text(["Announce Data: \n", (data_style, data_str)], align="left"),
            urwid.Divider(g["divider1"]),
            urwid.Columns([("weight", 0.45, urwid.Button("Back", on_press=show_announce_stream)), ("weight", 0.1, urwid.Text("")), ("weight", 0.45, urwid.Button("Converse", on_press=converse))])
        ])
        self.display_widget = urwid.Filler(pile, valign="top", height="pack")
        urwid.WidgetWrap.__init__(self, urwid.LineBox(self.display_widget, title="Announce Info"))
 class AnnounceStreamEntry(urwid.WidgetWrap):
-    def __init__(self, app, timestamp, source_hash):
+    def __init__(self, app, announce):
        timestamp = announce[0]
        source_hash = announce[1]
        self.app = app
        self.timestamp = timestamp
        time_format = app.time_format
        dt = datetime.fromtimestamp(self.timestamp)
        ts_string = dt.strftime(time_format)
        g = self.app.ui.glyphs
        trust_level  = self.app.directory.trust_level(source_hash)
        display_str = self.app.directory.simplest_display_str(source_hash)
        if trust_level == DirectoryEntry.UNTRUSTED:
-            symbol        = "\u2715"
+            symbol        = g["cross"]
            style         = "list_untrusted"
            focus_style   = "list_focus_untrusted"
        elif trust_level == DirectoryEntry.UNKNOWN:
-            symbol        = "?"
+            symbol        = g["unknown"]
            style         = "list_unknown"
            focus_style   = "list_focus"
        elif trust_level == DirectoryEntry.TRUSTED:
-            symbol        = "\u2713"
+            symbol        = g["check"]
            style         = "list_trusted"
            focus_style   = "list_focus_trusted"
        elif trust_level == DirectoryEntry.WARNING:
-            symbol        = "\u26A0"
+            symbol        = g["warning"]
            style         = "list_warning"
            focus_style   = "list_focus"
        else:
-            symbol        = "\u26A0"
+            symbol        = g["warning"]
            style         = "list_untrusted"
            focus_style   = "list_focus_untrusted"
        widget = ListEntry(ts_string+" "+display_str)
        urwid.connect_signal(widget, "click", self.display_announce, announce)
        self.display_widget = urwid.AttrMap(widget, style, focus_style)
        urwid.WidgetWrap.__init__(self, self.display_widget)
    def display_announce(self, event, announce):
        parent = self.app.ui.main_display.sub_displays.network_display
        info_widget = AnnounceInfo(announce, parent, self.app)
        options = parent.left_pile.options(height_type="weight", height_amount=1)
        parent.left_pile.contents[1] = (info_widget, options)
 class AnnounceStream(urwid.WidgetWrap):
    def __init__(self, app, parent):
        self.app = app
@@ -93,7 +190,7 @@ class AnnounceStream(urwid.WidgetWrap):
        self.widget_list = []
        self.update_widget_list()
-        wlt = [AnnounceStreamEntry(self.app, e[0], e[1]) for e in self.app.directory.announce_stream]
+        wlt = [AnnounceStreamEntry(self.app, e) for e in self.app.directory.announce_stream]
        self.ilb = IndicativeListBox(
            self.widget_list,
            #wlt,
@@ -118,7 +215,7 @@ class AnnounceStream(urwid.WidgetWrap):
                self.added_entries.insert(0, e[0])
                new_entries.insert(0, e)
-        new_widgets = [AnnounceStreamEntry(self.app, e[0], e[1]) for e in new_entries]
+        new_widgets = [AnnounceStreamEntry(self.app, e) for e in new_entries]
        for nw in new_widgets:
            self.widget_list.insert(0, nw)
@@ -174,6 +271,7 @@ class KnownNodes(urwid.WidgetWrap):
    def __init__(self, app):
        self.app = app
        self.node_list = app.directory.known_nodes()
        g = self.app.ui.glyphs
        self.ilb = IndicativeListBox(
            self.make_node_widgets(),
@@ -189,7 +287,7 @@ class KnownNodes(urwid.WidgetWrap):
        else:
            self.no_content = True
            widget_style = "inactive_text"
-            self.display_widget = urwid.Pile([urwid.Text(("warning_text", "- i -\n"), align="center"), SelectText(("warning_text", "Currently, no nodes are known\n\n"), align="center")])
+            self.display_widget = urwid.Pile([urwid.Text(("warning_text", g["info"]+"\n"), align="center"), SelectText(("warning_text", "Currently, no nodes are known\n\n"), align="center")])
        urwid.WidgetWrap.__init__(self, urwid.AttrMap(urwid.LineBox(self.display_widget, title="Known Nodes"), widget_style))
@@ -251,6 +349,7 @@ class LocalPeer(urwid.WidgetWrap):
    def __init__(self, app, parent):
        self.app = app
        self.parent = parent
        g = self.app.ui.glyphs
        self.dialog_open = False
        display_name = self.app.lxmf_destination.display_name
        if display_name == None:
@@ -270,7 +369,7 @@ class LocalPeer(urwid.WidgetWrap):
                urwid.Pile([
                    urwid.Text("\n\n\nSaved\n\n", align="center"),
                    urwid.Button("OK", on_press=dismiss_dialog)
-                ]), title="i"
+                ]), title=g["info"]
            )
            dialog.delegate = self
            bottom = self
@@ -293,7 +392,7 @@ class LocalPeer(urwid.WidgetWrap):
                urwid.Pile([
                    urwid.Text("\n\n\nAnnounce Sent\n\n", align="center"),
                    urwid.Button("OK", on_press=dismiss_dialog)
-                ]), title="i"
+                ]), title=g["info"]
            )
            dialog.delegate = self
            bottom = self
@@ -322,10 +421,10 @@ class LocalPeer(urwid.WidgetWrap):
            [
                t_id,
                e_name,
-                urwid.Divider("\u2504"),
+                urwid.Divider(g["divider1"]),
                self.t_last_announce,
                announce_button,
-                urwid.Divider("\u2504"),
+                urwid.Divider(g["divider1"]),
                urwid.Columns([("weight", 0.45, urwid.Button("Save", on_press=save_query)), ("weight", 0.1, urwid.Text("")), ("weight", 0.45, urwid.Button("Node Cfg", on_press=node_settings_query))])
            ]
        )
@@ -340,6 +439,7 @@ class NodeSettings(urwid.WidgetWrap):
    def __init__(self, app, parent):
        self.app = app
        self.parent = parent
        g = self.app.ui.glyphs
        def show_peer_info(sender):
            options = self.parent.left_pile.options(height_type="pack", height_amount=None)
@@ -347,7 +447,7 @@ class NodeSettings(urwid.WidgetWrap):
        widget_style = "inactive_text"
        pile = urwid.Pile([
-            urwid.Text("- i -\n", align="center"),
+            urwid.Text("\n"+g["info"], align="center"),
            urwid.Text("\nNode Hosting currently unavailable\n\n", align="center"),
            urwid.Padding(urwid.Button("Back", on_press=show_peer_info), "center", "pack")
        ])
@@ -356,17 +456,6 @@ class NodeSettings(urwid.WidgetWrap):
        urwid.WidgetWrap.__init__(self, urwid.AttrMap(urwid.LineBox(self.display_widget, title="Node Settings"), widget_style))
    def node_list_selection(self, arg1, arg2):
        pass
    def make_node_widgets(self):
        widget_list = []
        for node_entry in self.node_list:
            # TODO: Implement this
            widget_list.append(ListEntry("Node "+RNS.prettyhexrep(node_entry.source_hash)))
        # TODO: Sort list
        return widget_list
 class UpdatingText(urwid.WidgetWrap):
@@ -434,6 +523,7 @@ class NetworkDisplay():
    def __init__(self, app):
        self.app = app
        g = self.app.ui.glyphs
        self.known_nodes_display = KnownNodes(self.app)
        self.network_stats_display = NetworkStats(self.app, self)
@@ -449,7 +539,7 @@ class NetworkDisplay():
        ])
        self.left_area = self.left_pile
-        self.right_area = urwid.AttrMap(urwid.LineBox(urwid.Filler(urwid.Text("Disconnected\n\u2190  \u2192", align="center"), "middle"), title="Remote Node"), "inactive_text")
+        self.right_area = urwid.AttrMap(urwid.LineBox(urwid.Filler(urwid.Text("Disconnected\n"+g["arrow_l"]+"  "+g["arrow_r"], align="center"), "middle"), title="Remote Node"), "inactive_text")
        self.columns = urwid.Columns(
            [
--- a/nomadnet/vendor/Scrollable.py
+++ b/nomadnet/vendor/Scrollable.py
@@ -0,0 +1,421 @@
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details
 # http://www.gnu.org/licenses/gpl-3.0.txt
 import urwid
 from urwid.widget import BOX, FIXED, FLOW
 # Scroll actions
 SCROLL_LINE_UP        = 'line up'
 SCROLL_LINE_DOWN      = 'line down'
 SCROLL_PAGE_UP        = 'page up'
 SCROLL_PAGE_DOWN      = 'page down'
 SCROLL_TO_TOP         = 'to top'
 SCROLL_TO_END         = 'to end'
 # Scrollbar positions
 SCROLLBAR_LEFT  = 'left'
 SCROLLBAR_RIGHT = 'right'
 class Scrollable(urwid.WidgetDecoration):
    def sizing(self):
        return frozenset([BOX,])
    def selectable(self):
        return True
    def __init__(self, widget):
        """Box widget that makes a fixed or flow widget vertically scrollable
        TODO: Focusable widgets are handled, including switching focus, but
        possibly not intuitively, depending on the arrangement of widgets.  When
        switching focus to a widget that is ouside of the visible part of the
        original widget, the canvas scrolls up/down to the focused widget.  It
        would be better to scroll until the next focusable widget is in sight
        first.  But for that to work we must somehow obtain a list of focusable
        rows in the original canvas.
        """
        if not any(s in widget.sizing() for s in (FIXED, FLOW)):
            raise ValueError('Not a fixed or flow widget: %r' % widget)
        self._trim_top = 0
        self._scroll_action = None
        self._forward_keypress = None
        self._old_cursor_coords = None
        self._rows_max_cached = 0
        self.__super.__init__(widget)
    def render(self, size, focus=False):
        maxcol, maxrow = size
        # Render complete original widget
        ow = self._original_widget
        ow_size = self._get_original_widget_size(size)
        canv_full = ow.render(ow_size, focus)
        # Make full canvas editable
        canv = urwid.CompositeCanvas(canv_full)
        canv_cols, canv_rows = canv.cols(), canv.rows()
        if canv_cols <= maxcol:
            pad_width = maxcol - canv_cols
            if pad_width > 0:
                # Canvas is narrower than available horizontal space
                canv.pad_trim_left_right(0, pad_width)
        if canv_rows <= maxrow:
            fill_height = maxrow - canv_rows
            if fill_height > 0:
                # Canvas is lower than available vertical space
                canv.pad_trim_top_bottom(0, fill_height)
        if canv_cols <= maxcol and canv_rows <= maxrow:
            # Canvas is small enough to fit without trimming
            return canv
        self._adjust_trim_top(canv, size)
        # Trim canvas if necessary
        trim_top = self._trim_top
        trim_end = canv_rows - maxrow - trim_top
        trim_right = canv_cols - maxcol
        if trim_top > 0:
            canv.trim(trim_top)
        if trim_end > 0:
            canv.trim_end(trim_end)
        if trim_right > 0:
            canv.pad_trim_left_right(0, -trim_right)
        # Disable cursor display if cursor is outside of visible canvas parts
        if canv.cursor is not None:
            curscol, cursrow = canv.cursor
            if cursrow >= maxrow or cursrow < 0:
                canv.cursor = None
        # Figure out whether we should forward keypresses to original widget
        if canv.cursor is not None:
            # Trimmed canvas contains the cursor, e.g. in an Edit widget
            self._forward_keypress = True
        else:
            if canv_full.cursor is not None:
                # Full canvas contains the cursor, but scrolled out of view
                self._forward_keypress = False
            else:
                # Original widget does not have a cursor, but may be selectable
                # FIXME: Using ow.selectable() is bad because the original
                # widget may be selectable because it's a container widget with
                # a key-grabbing widget that is scrolled out of view.
                # ow.selectable() returns True anyway because it doesn't know
                # how we trimmed our canvas.
                #
                # To fix this, we need to resolve ow.focus and somehow
                # ask canv whether it contains bits of the focused widget.  I
                # can't see a way to do that.
                if ow.selectable():
                    self._forward_keypress = True
                else:
                    self._forward_keypress = False
        return canv
    def keypress(self, size, key):
        # Maybe offer key to original widget
        if self._forward_keypress:
            ow = self._original_widget
            ow_size = self._get_original_widget_size(size)
            # Remember previous cursor position if possible
            if hasattr(ow, 'get_cursor_coords'):
                self._old_cursor_coords = ow.get_cursor_coords(ow_size)
            key = ow.keypress(ow_size, key)
            if key is None:
                return None
        # Handle up/down, page up/down, etc
        command_map = self._command_map
        if command_map[key] == urwid.CURSOR_UP:
            self._scroll_action = SCROLL_LINE_UP
        elif command_map[key] == urwid.CURSOR_DOWN:
            self._scroll_action = SCROLL_LINE_DOWN
        elif command_map[key] == urwid.CURSOR_PAGE_UP:
            self._scroll_action = SCROLL_PAGE_UP
        elif command_map[key] == urwid.CURSOR_PAGE_DOWN:
            self._scroll_action = SCROLL_PAGE_DOWN
        elif command_map[key] == urwid.CURSOR_MAX_LEFT:   # 'home'
            self._scroll_action = SCROLL_TO_TOP
        elif command_map[key] == urwid.CURSOR_MAX_RIGHT:  # 'end'
            self._scroll_action = SCROLL_TO_END
        else:
            return key
        self._invalidate()
    def mouse_event(self, size, event, button, col, row, focus):
        ow = self._original_widget
        if hasattr(ow, 'mouse_event'):
            ow_size = self._get_original_widget_size(size)
            row += self._trim_top
            return ow.mouse_event(ow_size, event, button, col, row, focus)
        else:
            return False
    def _adjust_trim_top(self, canv, size):
        """Adjust self._trim_top according to self._scroll_action"""
        action = self._scroll_action
        self._scroll_action = None
        maxcol, maxrow = size
        trim_top = self._trim_top
        canv_rows = canv.rows()
        if trim_top < 0:
            # Negative trim_top values use bottom of canvas as reference
            trim_top = canv_rows - maxrow + trim_top + 1
        if canv_rows <= maxrow:
            self._trim_top = 0  # Reset scroll position
            return
        def ensure_bounds(new_trim_top):
            return max(0, min(canv_rows - maxrow, new_trim_top))
        if action == SCROLL_LINE_UP:
            self._trim_top = ensure_bounds(trim_top - 1)
        elif action == SCROLL_LINE_DOWN:
            self._trim_top = ensure_bounds(trim_top + 1)
        elif action == SCROLL_PAGE_UP:
            self._trim_top = ensure_bounds(trim_top - maxrow + 1)
        elif action == SCROLL_PAGE_DOWN:
            self._trim_top = ensure_bounds(trim_top + maxrow - 1)
        elif action == SCROLL_TO_TOP:
            self._trim_top = 0
        elif action == SCROLL_TO_END:
            self._trim_top = canv_rows - maxrow
        else:
            self._trim_top = ensure_bounds(trim_top)
        # If the cursor was moved by the most recent keypress, adjust trim_top
        # so that the new cursor position is within the displayed canvas part.
        # But don't do this if the cursor is at the top/bottom edge so we can still scroll out
        if self._old_cursor_coords is not None and self._old_cursor_coords != canv.cursor:
            self._old_cursor_coords = None
            curscol, cursrow = canv.cursor
            if cursrow < self._trim_top:
                self._trim_top = cursrow
            elif cursrow >= self._trim_top + maxrow:
                self._trim_top = max(0, cursrow - maxrow + 1)
    def _get_original_widget_size(self, size):
        ow = self._original_widget
        sizing = ow.sizing()
        if FIXED in sizing:
            return ()
        elif FLOW in sizing:
            return (size[0],)
    def get_scrollpos(self, size=None, focus=False):
        """Current scrolling position
        Lower limit is 0, upper limit is the maximum number of rows with the
        given maxcol minus maxrow.
        NOTE: The returned value may be too low or too high if the position has
        changed but the widget wasn't rendered yet.
        """
        return self._trim_top
    def set_scrollpos(self, position):
        """Set scrolling position
        If `position` is positive it is interpreted as lines from the top.
        If `position` is negative it is interpreted as lines from the bottom.
        Values that are too high or too low values are automatically adjusted
        during rendering.
        """
        self._trim_top = int(position)
        self._invalidate()
    def rows_max(self, size=None, focus=False):
        """Return the number of rows for `size`
        If `size` is not given, the currently rendered number of rows is returned.
        """
        if size is not None:
            ow = self._original_widget
            ow_size = self._get_original_widget_size(size)
            sizing = ow.sizing()
            if FIXED in sizing:
                self._rows_max_cached = ow.pack(ow_size, focus)[1]
            elif FLOW in sizing:
                self._rows_max_cached = ow.rows(ow_size, focus)
            else:
                raise RuntimeError('Not a flow/box widget: %r' % self._original_widget)
        return self._rows_max_cached
 class ScrollBar(urwid.WidgetDecoration):
    def sizing(self):
        return frozenset((BOX,))
    def selectable(self):
        return True
    def __init__(self, widget, thumb_char=u'\u2588', trough_char=' ',
                 side=SCROLLBAR_RIGHT, width=1):
        """Box widget that adds a scrollbar to `widget`
        `widget` must be a box widget with the following methods:
          - `get_scrollpos` takes the arguments `size` and `focus` and returns
            the index of the first visible row.
          - `set_scrollpos` (optional; needed for mouse click support) takes the
            index of the first visible row.
          - `rows_max` takes `size` and `focus` and returns the total number of
            rows `widget` can render.
        `thumb_char` is the character used for the scrollbar handle.
        `trough_char` is used for the space above and below the handle.
        `side` must be 'left' or 'right'.
        `width` specifies the number of columns the scrollbar uses.
        """
        if BOX not in widget.sizing():
            raise ValueError('Not a box widget: %r' % widget)
        self.__super.__init__(widget)
        self._thumb_char = thumb_char
        self._trough_char = trough_char
        self.scrollbar_side = side
        self.scrollbar_width = max(1, width)
        self._original_widget_size = (0, 0)
    def render(self, size, focus=False):
        maxcol, maxrow = size
        sb_width = self._scrollbar_width
        ow_size = (max(0, maxcol - sb_width), maxrow)
        sb_width = maxcol - ow_size[0]
        ow = self._original_widget
        ow_base = self.scrolling_base_widget
        ow_rows_max = ow_base.rows_max(size, focus)
        if ow_rows_max <= maxrow:
            # Canvas fits without scrolling - no scrollbar needed
            self._original_widget_size = size
            return ow.render(size, focus)
        ow_rows_max = ow_base.rows_max(ow_size, focus)
        ow_canv = ow.render(ow_size, focus)
        self._original_widget_size = ow_size
        pos = ow_base.get_scrollpos(ow_size, focus)
        posmax = ow_rows_max - maxrow
        # Thumb shrinks/grows according to the ratio of
        # <number of visible lines> / <number of total lines>
        thumb_weight = min(1, maxrow / max(1, ow_rows_max))
        thumb_height = max(1, round(thumb_weight * maxrow))
        # Thumb may only touch top/bottom if the first/last row is visible
        top_weight = float(pos) / max(1, posmax)
        top_height = int((maxrow - thumb_height) * top_weight)
        if top_height == 0 and top_weight > 0:
            top_height = 1
        # Bottom part is remaining space
        bottom_height = maxrow - thumb_height - top_height
        assert thumb_height + top_height + bottom_height == maxrow
        # Create scrollbar canvas
        # Creating SolidCanvases of correct height may result in "cviews do not
        # fill gaps in shard_tail!" or "cviews overflow gaps in shard_tail!"
        # exceptions. Stacking the same SolidCanvas is a workaround.
        # https://github.com/urwid/urwid/issues/226#issuecomment-437176837
        top = urwid.SolidCanvas(self._trough_char, sb_width, 1)
        thumb = urwid.SolidCanvas(self._thumb_char, sb_width, 1)
        bottom = urwid.SolidCanvas(self._trough_char, sb_width, 1)
        sb_canv = urwid.CanvasCombine(
            [(top, None, False)] * top_height +
            [(thumb, None, False)] * thumb_height +
            [(bottom, None, False)] * bottom_height,
        )
        combinelist = [(ow_canv, None, True, ow_size[0]),
                       (sb_canv, None, False, sb_width)]
        if self._scrollbar_side != SCROLLBAR_LEFT:
            return urwid.CanvasJoin(combinelist)
        else:
            return urwid.CanvasJoin(reversed(combinelist))
    @property
    def scrollbar_width(self):
        """Columns the scrollbar uses"""
        return max(1, self._scrollbar_width)
    @scrollbar_width.setter
    def scrollbar_width(self, width):
        self._scrollbar_width = max(1, int(width))
        self._invalidate()
    @property
    def scrollbar_side(self):
        """Where to display the scrollbar; must be 'left' or 'right'"""
        return self._scrollbar_side
    @scrollbar_side.setter
    def scrollbar_side(self, side):
        if side not in (SCROLLBAR_LEFT, SCROLLBAR_RIGHT):
            raise ValueError('scrollbar_side must be "left" or "right", not %r' % side)
        self._scrollbar_side = side
        self._invalidate()
    @property
    def scrolling_base_widget(self):
        """Nearest `original_widget` that is compatible with the scrolling API"""
        def orig_iter(w):
            while hasattr(w, 'original_widget'):
                w = w.original_widget
                yield w
            yield w
        def is_scrolling_widget(w):
            return hasattr(w, 'get_scrollpos') and hasattr(w, 'rows_max')
        for w in orig_iter(self):
            if is_scrolling_widget(w):
                return w
        raise ValueError('Not compatible to be wrapped by ScrollBar: %r' % w)
    def keypress(self, size, key):
        return self._original_widget.keypress(self._original_widget_size, key)
    def mouse_event(self, size, event, button, col, row, focus):
        ow = self._original_widget
        ow_size = self._original_widget_size
        handled = False
        if hasattr(ow, 'mouse_event'):
            handled = ow.mouse_event(ow_size, event, button, col, row, focus)
        if not handled and hasattr(ow, 'set_scrollpos'):
            if button == 4:    # scroll wheel up
                pos = ow.get_scrollpos(ow_size)
                ow.set_scrollpos(pos - 1)
                return True
            elif button == 5:  # scroll wheel down
                pos = ow.get_scrollpos(ow_size)
                ow.set_scrollpos(pos + 1)
                return True
        return False
--- a/setup.py
+++ b/setup.py
@@ -23,6 +23,6 @@ setuptools.setup(
    entry_points= {
        'console_scripts': ['nomadnet=nomadnet.nomadnet:main']
    },
-    install_requires=['rns>=0.2.0', 'lxmf>=0.0.3', 'urwid>=2.1.2'],
+    install_requires=['rns>=0.2.1', 'lxmf>=0.0.6', 'urwid>=2.1.2'],
    python_requires='>=3.5',
 )
Author	SHA1	Message	Date
Mark Qvist	d890122893	Updated readme	2021-07-06 17:37:48 +02:00
Mark Qvist	38751976d8	Added guide pages	2021-07-06 17:33:48 +02:00
Mark Qvist	2f2fdd6a0c	Implemented micron markup parser	2021-07-06 09:23:37 +02:00
Mark Qvist	4c226b7e00	Added license	2021-07-06 09:22:58 +02:00
Mark Qvist	1564fcec03	Work on micron parser	2021-07-05 15:32:59 +02:00
Mark Qvist	72f623293e	Initial work on micron markup language. Work on guide section.	2021-07-05 01:15:02 +02:00
Mark Qvist	84e616a3ec	Fixed mouse_enabled in config	2021-07-02 15:34:08 +02:00
Mark Qvist	7dcfed4e5c	Updated shortcut bars	2021-07-02 13:39:02 +02:00
Mark Qvist	6537a3d5cd	Added configurable glyph sets	2021-07-02 13:35:10 +02:00
Mark Qvist	3c949ce73e	Modified color-mode notice on startup	2021-06-30 23:34:51 +02:00
Mark Qvist	0783b21272	Added configuration editor	2021-06-30 23:29:37 +02:00
Mark Qvist	8aec40fba2	Added log display	2021-06-30 22:17:21 +02:00
Mark Qvist	48f3cd50c7	Added announce info dialog and ability to start conversation from heard announces.	2021-06-30 14:49:26 +02:00
Mark Qvist	7ad117a774	Added Text UI color mode notice on startup	2021-05-27 10:50:23 +02:00
Mark Qvist	8bb135c803	Reverted default Text UI color mode to 16 colors.	2021-05-27 10:40:13 +02:00
Mark Qvist	e736b5590c	Reverted default Text UI color mode to 16 colors.	2021-05-27 10:39:34 +02:00
Mark Qvist	d69267fe0c	Updated dependency versions	2021-05-20 22:59:08 +02:00
Mark Qvist	35b0529f6d	Updated Nomad Network to Reticulum 0.2.1 elliptic curve cryptography	2021-05-20 22:29:02 +02:00
Mark Qvist	56f4f20bb2	Fixed conversation list navigation when list is empty	2021-05-19 09:26:12 +02:00