Allows to configure bg and fg colors

nautilus_terminal/color_helpers.py

@@ -0,0 +1,98 @@
+"""
+This module contains varous helper functions related to color.
+"""
+
+
+import re
+
+
+NAMED_COLORS = {
+    "white":   (0xFF, 0xFF, 0xFF),
+    "silver":  (0xC0, 0xC0, 0xC0),
+    "gray":    (0x80, 0x80, 0x80),
+    "black":   (0x00, 0x00, 0x00),
+    "red":     (0xFF, 0x00, 0x00),
+    "maroon":  (0x80, 0x00, 0x00),
+    "yellow":  (0xFF, 0xFF, 0x00),
+    "olive":   (0x80, 0x80, 0x00),
+    "lime":    (0x00, 0xFF, 0x00),
+    "green":   (0x00, 0x80, 0x00),
+    "aqua":    (0x00, 0xFF, 0xFF),
+    "teal":    (0x00, 0x80, 0x80),
+    "blue":    (0x00, 0x00, 0xFF),
+    "navy":    (0x00, 0x00, 0x80),
+    "fuchsia": (0xFF, 0x00, 0xFF),
+    "purple":  (0x80, 0x00, 0x80),
+}
+
+
+def is_color(string):
+    """Checks if the given string is a valid color.
+
+    :param str string: The string to check.
+    :rtype: bool
+
+    >>> from rivalcfg.color_helpers import is_color
+    >>> is_color("#FF0000") # hexadecimal colors are supported
+    True
+    >>> is_color("#F00")  # short format allowed
+    True
+    >>> is_color("FF0000")  # "#" is optionnal
+    True
+    >>> is_color("#ff0000")  # case insensitive
+    True
+    >>> is_color("#FF00")  # not a valid color
+    False
+    >>> is_color("red")  # named color are supported
+    True
+    >>> is_color("RED")  # named color are case insensitive
+    True
+    >>> is_color("hello")  # not a valid color name
+    False
+    """
+    if string.lower() in NAMED_COLORS:
+        return True
+    if re.match(r"^#?[0-9a-f]{3}([0-9a-f]{3})?$", string, re.IGNORECASE):
+        return True
+    return False
+
+
+def parse_color_string(color):
+    """Converts a color string into an RGB tuple.
+
+    :param str color: The string to convert.
+    :return: (r, g, b)
+
+    >>> from rivalcfg.color_helpers import parse_color_string
+    >>> parse_color_string("#FF0000") # hexadecimal colors are supported
+    (255, 0, 0)
+    >>> parse_color_string("#F00")  # short format allowed
+    (255, 0, 0)
+    >>> parse_color_string("FF0000")  # "#" is optionnal
+    (255, 0, 0)
+    >>> parse_color_string("#ff0000")  # case insensitive
+    (255, 0, 0)
+    >>> parse_color_string("red")  # named color are supported
+    (255, 0, 0)
+    >>> parse_color_string("RED")  # named color are case insensitive
+    (255, 0, 0)
+    """
+    # Named color
+    if color.lower() in NAMED_COLORS:
+        return NAMED_COLORS[color.lower()]
+
+    # #f00 or #ff0000 -> f00 or ff0000
+    if color.startswith("#"):
+        color = color[1:]
+
+    # f00 -> ff0000
+    if len(color) == 3:
+        color = color[0] * 2 + color[1] * 2 + color[2] * 2  # noqa
+
+    # ff0000 -> (255, 0, 0)
+    return (
+        int(color[0:2], 16),
+        int(color[2:4], 16),
+        int(color[4:], 16)
+        )
+

nautilus_terminal/nautilus_terminal.py

@@ -9,6 +9,7 @@
 
 from . import logger
 from . import helpers
+from . import color_helpers
 from . import nautilus_accels_helpers
 
 
@@ -226,6 +227,32 @@ def _build_and_inject_ui(self):
                 "height-request",
                 TERMINAL_CHAR_HEIGHT * TERMINAL_MIN_HEIGHT + TERMINAL_BORDER_WIDTH * 2)
 
+        # Terminal colors
+
+        fg_color = (255, 255, 255)
+        bg_color = (0, 0, 0)
+
+        settings_fg_color = self._settings.get_string("foreground-color")
+        settings_bg_color = self._settings.get_string("background-color")
+
+        if color_helpers.is_color(settings_fg_color):
+            fg_color = color_helpers.parse_color_string(settings_fg_color)
+
+        if color_helpers.is_color(settings_bg_color):
+            bg_color = color_helpers.parse_color_string(settings_bg_color)
+
+        self._ui_terminal.set_color_foreground(Gdk.RGBA(
+                fg_color[0] / 255.0,
+                fg_color[1] / 255.0,
+                fg_color[2] / 255.0,
+                1))
+
+        self._ui_terminal.set_color_background(Gdk.RGBA(
+                bg_color[0] / 255.0,
+                bg_color[1] / 255.0,
+                bg_color[2] / 255.0,
+                1))
+
         # File drag & drop support
 
         self._ui_terminal.drag_dest_set(

nautilus_terminal/schemas/org.flozz.nautilus-terminal.gschema.xml

@@ -31,5 +31,15 @@
       <summary>Keyboard shortcut to toggle the terminal</summary>
       <description>The keyboard shortcut to toggle Nautilus Terminal (e.g. "F4", "&lt;Ctrl&gt;F4")</description>
     </key>
+    <key name="background-color" type="s">
+      <default>"#000000"</default>
+      <summary>Terminal background color</summary>
+      <description>The color of the terminal background (Hexadecimal notation. E.g. "#000000", "black")</description>
+    </key>
+    <key name="foreground-color" type="s">
+      <default>"#ffffff"</default>
+      <summary>Terminal text color</summary>
+      <description>The color of the terminal text (Hexadecimal notation. E.g. "#FFFFFF", "white")</description>
+    </key>
   </schema>
 </schemalist>