display live RAM usage

src/ui/backup_stats.py

@@ -7,6 +7,7 @@ from textual.app import ComposeResult
 from textual.screen import Screen
 from textual.containers import Container, Vertical, VerticalScroll, Horizontal
 from textual.widgets import Button, Label, Rule, Tree
+from src.ui.widgets import RamDisplay
 from textual import work
 from rich.text import Text
 from rich.style import Style
@@ -211,6 +212,7 @@ class BackupStatsScreen(Screen[None]):
 
             with Horizontal(id="bs_actions"):
                 yield Button("Back", id="btn_back", variant="default")
+        yield RamDisplay()
 
     def on_mount(self) -> None:
         self.stats_tree = self.query_one("#stats_tree", Tree)

src/ui/main_app.py

@@ -9,13 +9,14 @@ from textual.app import App, ComposeResult
 from textual.containers import Container, Horizontal, Vertical, VerticalScroll
 from textual.widgets import (
     Header, Footer, Button, Label, Input, ListItem,
-    ListView, Rule, RadioButton, RadioSet, Select,
+    ListView, Rule, RadioButton, RadioSet, Select, Static,
 )
 from textual.screen import Screen, ModalScreen
 
 from src.core.configuration import (
     get_available_configs, create_new_config, load_config, save_config,
 )
+from src.ui.widgets import RamDisplay
 
 
 # ──────────────────────────────────────────────────────────────────────────────
@@ -100,6 +101,7 @@ class ConfigSelectionScreen(Screen):
                 yield Button("New Config", id="btn_new_config", variant="success", tooltip="Create a new configuration folder")
                 yield Button("Exit", id="btn_exit", variant="error")
         yield Footer()
+        yield RamDisplay()
 
     def on_mount(self) -> None:
         self.refresh_configs()
@@ -298,6 +300,7 @@ class ConfigScreen(Screen):
                     yield Button("Save Configuration", variant="success", id="btn_save", tooltip="Save all changes to config.yaml")
                     yield Button("Back", id="btn_back")
         yield Footer()
+        yield RamDisplay()
 
     def on_mount(self) -> None:
         self._toggle_target_section()
@@ -488,6 +491,16 @@ class ReaperApp(App):
         "config_selection": ConfigSelectionScreen,
     }
 
+    DEFAULT_CSS = """
+    RamDisplay {
+        dock: bottom;
+        width: 30;
+        height: 1;
+        margin-left: 2;
+        color: green;
+    }
+    """
+
     def on_mount(self) -> None:
         self.push_screen("config_selection")
         self.theme = "dracula"

src/ui/modals.py

@@ -7,6 +7,7 @@ from textual.containers import Horizontal, Vertical, VerticalScroll, Container,
 from textual.widgets import Button, Label, Input, ProgressBar, RichLog, Rule, RadioButton, LoadingIndicator, Header, Footer, RadioSet, OptionList
 from textual.widgets.option_list import Option
 from textual.screen import ModalScreen, Screen
+from src.ui.widgets import RamDisplay
 
 
 import time
@@ -113,6 +114,7 @@ class ProgressScreen(Screen[None]):
                     with Horizontal(classes="action_row", id="prog_actions_cancel"):
                         yield Button("Back", id="btn_cancel", variant="default", tooltip="Stop current operation")
         yield Footer()
+        yield RamDisplay()
 
     def __init__(self, log_level: str = "INFO", *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -419,6 +421,7 @@ class SubMenuModal(ModalScreen[str]):
                 yield Button(label, id=btn_id, variant=variant)
             yield Rule(id="footer_rule")
             yield Button("Cancel", id="btn_cancel_sub")
+        yield RamDisplay()
 
     def on_button_pressed(self, event: Button.Pressed):
         if event.button.id == "btn_cancel_sub":
@@ -475,6 +478,7 @@ class OptionSelectModal(ModalScreen[list[str]]):
             with Horizontal(id="opt_buttons"):
                 yield Button("Proceed", variant="success", id="btn_opt_ok", tooltip="Proceed with the selected options")
                 yield Button("Back", id="btn_opt_back", tooltip="Return to the previous menu")
+        yield RamDisplay()
 
     def on_button_pressed(self, event: Button.Pressed):
         if event.button.id == "btn_opt_back":
@@ -618,6 +622,7 @@ class ChannelPickerScreen(Screen[tuple]):
                     yield Button("Select", variant="success", id="btn_pick_ok", tooltip="Confirm selection and start migration")
                     yield Button("Back", id="btn_pick_back", tooltip="Cancel selection")
         yield Footer()
+        yield RamDisplay()
 
     def on_mount(self) -> None:
         """Set initial highlights after mounting."""
@@ -805,6 +810,7 @@ class ChannelSelectScreen(Screen[dict]):
                         yield Button("Backup", variant="success", id="btn_backup", tooltip="Start backing up selected channels")
                     yield Button("Back", id="btn_cancel_chan", tooltip="Cancel and go back")
         yield Footer()
+        yield RamDisplay()
         
     def on_button_pressed(self, event: Button.Pressed) -> None:
         if event.button.id == "btn_all":
@@ -874,6 +880,7 @@ class MessageIDInputModal(ModalScreen[int | None]):
             with Horizontal(id="msg_id_buttons"):
                 yield Button("Verify", variant="primary", id="btn_verify_start", disabled=True, tooltip="Check if this message ID exists in the channel")
                 yield Button("Back", variant="warning", id="btn_cancel_msg_id", tooltip="Cancel and go back")
+        yield RamDisplay()
 
     def on_input_changed(self, event: Input.Changed) -> None:
         if event.input.id == "input_msg_id":
@@ -970,6 +977,7 @@ class ChannelNameInputModal(ModalScreen[str | None]):
             with Horizontal(id="chan_name_buttons"):
                 yield Button("Create", variant="success", id="btn_create_chan")
                 yield Button("Back", id="btn_cancel_chan_name")
+        yield RamDisplay()
 
     def on_button_pressed(self, event: Button.Pressed) -> None:
         if event.button.id == "btn_cancel_chan_name":
@@ -1028,6 +1036,7 @@ class ChannelIDInputModal(ModalScreen[dict | None]):
             with Horizontal(id="chan_id_buttons"):
                 yield Button("Verify", variant="primary", id="btn_verify_chan", disabled=True)
                 yield Button("Back", variant="warning", id="btn_cancel_chan_id")
+        yield RamDisplay()
 
     def on_input_changed(self, event: Input.Changed) -> None:
         if event.input.id == "input_chan_id":
@@ -1076,3 +1085,4 @@ class ChannelIDInputModal(ModalScreen[dict | None]):
                 btn.variant = "success"
             else:
                 preview.update(f"[bold red]No channel found with ID: {chan_id_str}[/bold red]\n[dim]Make sure the ID belongs to a channel in the target community.[/dim]")
+        yield RamDisplay()

src/ui/mode_screen.py

@@ -15,6 +15,7 @@ from textual.screen import Screen
 
 from src.core.configuration import load_config
 from src.ui.shuttle_ops import OperationPane
+from src.ui.widgets import RamDisplay, Footnote
 
 
 class ModeScreen(Screen):
@@ -138,6 +139,8 @@ class ModeScreen(Screen):
                         yield Button("Exit", id="btn_exit", variant="error")
 
         yield Footer()
+        yield Footnote()
+        yield RamDisplay()
 
     def on_button_pressed(self, event: Button.Pressed) -> None:
         bid = event.button.id

src/ui/widgets.py

@@ -0,0 +1,37 @@
+from textual.widgets import Static
+import logging
+
+logger = logging.getLogger(__name__)
+
+class RamDisplay(Static):
+    """Widget to display current RAM usage."""
+
+    def on_mount(self) -> None:
+        self.update_ram()
+        self.set_interval(1.0, self.update_ram)
+
+    def update_ram(self) -> None:
+        """Fetch and display RAM usage (RSS)."""
+        try:
+            # RSS is in KB in /proc/self/status on Linux
+            with open("/proc/self/status", "r") as f:
+                for line in f:
+                    if line.startswith("VmRSS:"):
+                        rss_kb = int(line.split()[1])
+                        break
+                else:
+                    rss_kb = 0
+            
+            if rss_kb > 1024 * 1024:
+                usage = f"{rss_kb / (1024 * 1024):.2f} GB"
+            else:
+                usage = f"{rss_kb / 1024:.2f} MB"
+            
+            self.update(f" RAM: [yellow]{usage}[/yellow]")
+        except Exception:
+            self.update(" RAM: [bold red]N/A[/bold red]")
+
+class Footnote(Static):
+    """Widget to display branding text at the bottom right."""
+    def on_mount(self) -> None:
+        self.update("made by [bold]RamBros[/bold]")