Major step towards unification of the UI Implementation of the Back Feature, splitting of TUI files back into subfolders

TUI/Themes/theme_amber_terminal.py

@@ -0,0 +1,50 @@
+#    Copyright (C) 2025 James Brotosky, Brandon Wickline
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+from textual.color import Color
+from textual.theme import Theme
+
+
+def get_amber_terminal_theme():
+    """Amber CRT theme with compensated brightness for blending."""
+    return Theme(
+        name="amber-terminal",
+        background=Color.parse("#000000"),  # pure black
+        primary=Color.parse("#ffb733"),  # bright amber
+        secondary=Color.parse("#e69500"),  # strong amber
+        success=Color.parse("#ffb733"),
+        warning=Color.parse("#ffff66"),
+        error=Color.parse("#ff3300"),
+        surface=Color.parse("#49331a"),  # brighter brown for blending
+    )
+
+
+AMBER_TERMINAL_CSS = """
+Screen {
+    align: center middle;
+    background: #000000; /* force black */
+    color: #ffb733;      /* force amber text */
+}
+
+.widget {
+    border: tall #ffb733; /* force amber border */
+    background: #3a1f00;  /* compensated surface */
+    width: 80%;
+}
+
+* {
+    font-family: "Courier New", monospace;
+}
+"""

TUI/Themes/theme_retro_terminal.py

@@ -0,0 +1,53 @@
+#    Copyright (C) 2025 James Brotosky, Brandon Wickline
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+from textual.color import Color
+
+
+def get_retro_terminal_theme():
+    from textual.theme import Theme
+
+    return Theme(
+        name="retro-terminal",
+        background=Color.parse("#000000"),
+        primary=Color.parse("#00ff00"),
+        secondary=Color.parse("#00aa00"),
+        success=Color.parse("#00ff00"),
+        warning=Color.parse("#ffff00"),
+        error=Color.parse("#ff0000"),
+        surface=Color.parse("#071802"),
+    )
+
+
+RETRO_TERMINAL_CSS = """
+/* Retro terminal CRT effect */
+Screen {
+    align: center middle;
+    background: $background;
+    color: $text;
+}
+
+/* Blocky, pixelated widgets */
+.widget {
+    border: tall $primary;
+    background: $surface;
+    width: 80%;
+}
+
+/* Monospaced font */
+* {
+    font-family: "Courier New", monospace;
+}
+"""

TUI/Themes/themeselector.py

@@ -0,0 +1,60 @@
+#    Copyright (C) 2025 James Brotosky, Brandon Wickline
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+from textual.containers import Vertical
+from textual.message import Message
+from textual.widget import Widget
+from textual.widgets import Button, Static
+
+
+class ThemeSelector(Widget):
+    """Widget for selecting and applying Textual themes."""
+
+    class ThemeSelected(Message):
+        """Message posted when a theme is selected."""
+
+        def __init__(self, theme_name: str):
+            super().__init__()
+            self.theme_name = theme_name
+
+    AVAILABLE_THEMES = [
+        ("Textual Dark", "textual-dark"),
+        ("Textual Light", "textual-light"),
+        ("Nord", "nord"),
+        ("Gruvbox", "gruvbox"),
+        ("Catppuccin Mocha", "catppuccin-mocha"),
+        ("Dracula", "dracula"),
+        ("Tokyo Night", "tokyo-night"),
+        ("Monokai", "monokai"),
+        ("Flexoki", "flexoki"),
+        ("Catppuccin Latte", "catppuccin-latte"),
+        ("Solarized Light", "solarized-light"),
+        ("Retro Terminal", "retro-terminal"),
+        ("Amber Terminal", "amber-terminal"),  # your custom theme
+    ]
+
+    def compose(self):
+        yield Static("Theme Options", id="theme_title")
+        with Vertical() as column:
+            column.styles.width = "1fr"
+            column.styles.height = "auto"
+            for label, btn_id in self.AVAILABLE_THEMES:
+                yield Button(label, id=f"set_theme_{btn_id}", compact=True)
+
+    def on_button_pressed(self, event: Button.Pressed) -> None:
+        button_id = event.button.id
+        if button_id and button_id.startswith("set_theme_"):
+            theme_name = button_id.replace("set_theme_", "")
+            self.post_message(self.ThemeSelected(theme_name))