Merge in background transparency fixes and styling improvements

terminatorlib/config.py

@@ -94,6 +94,7 @@ DEFAULTS = {
             'geometry_hinting'      : False,
             'window_state'          : 'normal',
             'borderless'            : False,
+            'extra_styling'         : True,
             'tab_position'          : 'top',
             'broadcast_default'     : 'group',
             'close_button_on_tab'   : True,

terminatorlib/preferences.glade

@@ -849,6 +849,36 @@
                                 <property name="can_focus">False</property>
                                 <property name="row_spacing">6</property>
                                 <property name="column_spacing">12</property>
+                                <child>
+                                  <object class="GtkCheckButton" id="winbordercheck">
+                                    <property name="label" translatable="yes">Window borders</property>
+                                    <property name="use_action_appearance">False</property>
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">True</property>
+                                    <property name="receives_default">False</property>
+                                    <property name="xalign">0.5</property>
+                                    <property name="active">True</property>
+                                    <property name="draw_indicator">True</property>
+                                    <signal name="toggled" handler="on_winbordercheck_toggled" swapped="no"/>
+                                  </object>
+                                  <packing>
+                                    <property name="left_attach">0</property>
+                                    <property name="top_attach">3</property>
+                                    <property name="width">3</property>
+                                  </packing>
+                                </child>
+                                <child>
+                                  <object class="GtkLabel" id="label30">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="label" translatable="yes">Unfocused terminal font brightness:</property>
+                                    <property name="xalign">0</property>
+                                  </object>
+                                  <packing>
+                                    <property name="left_attach">0</property>
+                                    <property name="top_attach">2</property>
+                                  </packing>
+                                </child>
                                 <child>
                                   <object class="GtkLabel" id="label7">
                                     <property name="visible">True</property>
@@ -858,23 +888,7 @@
                                   </object>
                                   <packing>
                                     <property name="left_attach">0</property>
-                                    <property name="top_attach">0</property>
+                                    <property name="top_attach">1</property>
-                                  </packing>
-                                </child>
-                                <child>
-                                  <object class="GtkLabel" id="handlesize_value_label">
-                                    <property name="visible">True</property>
-                                    <property name="can_focus">False</property>
-                                    <property name="label" translatable="yes">-1</property>
-                                    <property name="justify">right</property>
-                                    <property name="width_chars">5</property>
-                                    <property name="max_width_chars">5</property>
-                                    <property name="lines">1</property>
-                                    <property name="xalign">1</property>
-                                  </object>
-                                  <packing>
-                                    <property name="left_attach">1</property>
-                                    <property name="top_attach">0</property>
                                   </packing>
                                 </child>
                                 <child>
@@ -893,34 +907,6 @@
                                   </object>
                                   <packing>
                                     <property name="left_attach">2</property>
-                                    <property name="top_attach">0</property>
-                                  </packing>
-                                </child>
-                                <child>
-                                  <object class="GtkLabel" id="label30">
-                                    <property name="visible">True</property>
-                                    <property name="can_focus">False</property>
-                                    <property name="label" translatable="yes">Unfocused terminal font brightness:</property>
-                                    <property name="xalign">0</property>
-                                  </object>
-                                  <packing>
-                                    <property name="left_attach">0</property>
-                                    <property name="top_attach">1</property>
-                                  </packing>
-                                </child>
-                                <child>
-                                  <object class="GtkLabel" id="inactive_color_offset_value_label">
-                                    <property name="visible">True</property>
-                                    <property name="can_focus">False</property>
-                                    <property name="label" translatable="yes">100%</property>
-                                    <property name="justify">right</property>
-                                    <property name="width_chars">5</property>
-                                    <property name="max_width_chars">5</property>
-                                    <property name="lines">1</property>
-                                    <property name="xalign">1</property>
-                                  </object>
-                                  <packing>
-                                    <property name="left_attach">1</property>
                                     <property name="top_attach">1</property>
                                   </packing>
                                 </child>
@@ -940,24 +926,56 @@
                                   </object>
                                   <packing>
                                     <property name="left_attach">2</property>
+                                    <property name="top_attach">2</property>
+                                  </packing>
+                                </child>
+                                <child>
+                                  <object class="GtkLabel" id="handlesize_value_label">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="label" translatable="yes">-1</property>
+                                    <property name="justify">right</property>
+                                    <property name="width_chars">5</property>
+                                    <property name="max_width_chars">5</property>
+                                    <property name="lines">1</property>
+                                    <property name="xalign">1</property>
+                                  </object>
+                                  <packing>
+                                    <property name="left_attach">1</property>
                                     <property name="top_attach">1</property>
                                   </packing>
                                 </child>
                                 <child>
-                                  <object class="GtkCheckButton" id="winbordercheck">
+                                  <object class="GtkLabel" id="inactive_color_offset_value_label">
-                                    <property name="label" translatable="yes">Window borders</property>
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="label" translatable="yes">100%</property>
+                                    <property name="justify">right</property>
+                                    <property name="width_chars">5</property>
+                                    <property name="max_width_chars">5</property>
+                                    <property name="lines">1</property>
+                                    <property name="xalign">1</property>
+                                  </object>
+                                  <packing>
+                                    <property name="left_attach">1</property>
+                                    <property name="top_attach">2</property>
+                                  </packing>
+                                </child>
+                                <child>
+                                  <object class="GtkCheckButton" id="extrastylingcheck">
+                                    <property name="label" translatable="yes">Extra Styling (Theme dependant)</property>
                                     <property name="use_action_appearance">False</property>
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
                                     <property name="receives_default">False</property>
-                                    <property name="xalign">0.5</property>
+                                    <property name="xalign">0</property>
                                     <property name="active">True</property>
                                     <property name="draw_indicator">True</property>
-                                    <signal name="toggled" handler="on_winbordercheck_toggled" swapped="no"/>
+                                    <signal name="toggled" handler="on_extrastylingcheck_toggled" swapped="no"/>
                                   </object>
                                   <packing>
                                     <property name="left_attach">0</property>
-                                    <property name="top_attach">2</property>
+                                    <property name="top_attach">0</property>
                                     <property name="width">3</property>
                                   </packing>
                                 </child>

terminatorlib/prefseditor.py

@@ -254,6 +254,9 @@ class PrefsEditor:
         # Window borders
         widget = guiget('winbordercheck')
         widget.set_active(not self.config['borderless'])
+        # Extra styling
+        widget = guiget('extrastylingcheck')
+        widget.set_active(self.config['extra_styling'])
         # Tab bar position
         option = self.config['tab_position']
         widget = guiget('tabposcombo')
@@ -692,6 +695,11 @@ class PrefsEditor:
         self.config['borderless'] = not widget.get_active()
         self.config.save()
 
+    def on_extrastylingcheck_toggled(self, widget):
+        """Extra styling setting changed"""
+        self.config['extra_styling'] = widget.get_active()
+        self.config.save()
+
     def on_hidefromtaskbcheck_toggled(self, widget):
         """Hide from taskbar setting changed"""
         self.config['hide_from_taskbar'] = widget.get_active()

terminatorlib/searchbar.py

@@ -39,6 +39,8 @@ class Searchbar(Gtk.HBox):
 
         self.config = Config()
 
+        self.get_style_context().add_class("terminator-terminal-searchbar")
+
         # Search text
         self.entry = Gtk.Entry()
         self.entry.set_activates_default(True)

terminatorlib/terminal.py

@@ -734,6 +734,16 @@ class Terminal(Gtk.VBox):
         else:
             self.vte.set_colors(self.fgcolor_inactive, self.bgcolor,
                                 self.palette_inactive)
+        profiles = self.config.base.profiles
+        terminal_box_style_context = self.terminalbox.get_style_context()
+        for profile in profiles.keys():
+            munged_profile = "terminator-profile-%s" % (
+                "".join([c if c.isalnum() else "-" for c in profile]))
+            if terminal_box_style_context.has_class(munged_profile):
+                terminal_box_style_context.remove_class(munged_profile)
+        munged_profile = "".join([c if c.isalnum() else "-" for c in self.get_profile()])
+        css_class_name = "terminator-profile-%s" % (munged_profile)
+        terminal_box_style_context.add_class(css_class_name)
         self.set_cursor_color()
         self.vte.set_cursor_shape(getattr(Vte.CursorShape,
                                           self.config['cursor_shape'].upper()));

terminatorlib/terminator.py

@@ -5,8 +5,11 @@
 
 import copy
 import os
-from gi.repository import Gtk, Gdk
+import gi
+gi.require_version('Vte', '2.91')
+from gi.repository import Gtk, Gdk, Vte
 
+import borg
 from borg import Borg
 from config import Config
 from keybindings import Keybindings
@@ -39,7 +42,7 @@ class Terminator(Borg):
     groups = None
     config = None
     keybindings = None
-    style_provider = None
+    style_providers = None
     last_focused_term = None
 
     origcwd = None
@@ -57,6 +60,9 @@ class Terminator(Borg):
     groupsend = None
     groupsend_type = {'all':0, 'group':1, 'off':2}
 
+    cur_gtk_theme_name = None
+    gtk_settings = None
+
     def __init__(self):
         """Class initialiser"""
 
@@ -81,12 +87,21 @@ class Terminator(Borg):
         if not self.keybindings:
             self.keybindings = Keybindings()
             self.keybindings.configure(self.config['keybindings'])
+        if not self.style_providers:
+            self.style_providers = []
         if not self.doing_layout:
             self.doing_layout = False
         if not self.pid_cwd:
             self.pid_cwd = get_pid_cwd()
         if self.gnome_client is None:
             self.attempt_gnome_client()
+        self.connect_signals()
+
+    def connect_signals(self):
+        """Connect all the gtk signals"""
+        self.gtk_settings=Gtk.Settings().get_default()
+        self.gtk_settings.connect('notify::gtk-theme-name', self.on_gtk_theme_name_notify)
+        self.cur_gtk_theme_name = self.gtk_settings.get_property('gtk-theme-name')
 
     def set_origcwd(self, cwd):
         """Store the original cwd our process inherits"""
@@ -365,34 +380,125 @@ class Terminator(Borg):
             if window.uuid == self.last_active_window:
                 window.show()
 
+    def on_gtk_theme_name_notify(self, settings, prop):
+        """Reconfigure if the gtk theme name changes"""
+        new_gtk_theme_name = settings.get_property(prop.name)
+        if new_gtk_theme_name != self.cur_gtk_theme_name:
+            self.cur_gtk_theme_name = new_gtk_theme_name
+            self.reconfigure()
+
     def reconfigure(self):
         """Update configuration for the whole application"""
 
-        if self.style_provider is not None:
+        if self.style_providers != []:
-            Gtk.StyleContext.remove_provider_for_screen(
+            for style_provider in self.style_providers:
-                Gdk.Screen.get_default(),
+                Gtk.StyleContext.remove_provider_for_screen(
-                self.style_provider)
+                    Gdk.Screen.get_default(),
-            self.style_provider = None
+                    style_provider)
+        self.style_providers = []
 
+        # Force the window background to be transparent for newer versions of
+        # GTK3. We then have to fix all the widget backgrounds because the
+        # widgets theming may not render it's own background.
         css = """
-            GtkPaned {
+            .terminator-terminal-window {
-                margin: 0 0 0 0;
+                background-color: alpha(@theme_bg_color,0); }
-                padding: 0 0 0 0;
+
-                }
+            .terminator-terminal-window .notebook.header {
+                background-color: @theme_bg_color; }
+
+            .terminator-terminal-window .pane-separator {
+                background-color: @theme_bg_color; }
+
+            .terminator-terminal-window .terminator-terminal-searchbar {
+                background-color: @theme_bg_color; }
             """
 
+        # Fix several themes that put a borders, corners, or backgrounds around
+        # viewports, making the titlebar look bad.
+        css += """
+            .terminator-terminal-window GtkViewport {
+                border-width: 0px;
+                border-radius: 0px;
+                background-color: transparent; }
+            """
+
+        # Add per profile snippets for setting the background of the HBox
+        template = """
+            .terminator-profile-%s {
+                background-color: alpha(%s, %s); }
+            """
+        profiles = self.config.base.profiles
+        for profile in profiles.keys():
+            if profiles[profile]['use_theme_colors']:
+                # Create a dummy window/vte and realise it so it has correct
+                # values to read from
+                tmp_win = Gtk.Window()
+                tmp_vte = Vte.Terminal()
+                tmp_win.add(tmp_vte)
+                tmp_win.realize()
+                bgcolor = tmp_vte.get_style_context().get_background_color(Gtk.StateType.NORMAL)
+                bgcolor = "#{0:02x}{1:02x}{2:02x}".format(int(bgcolor.red  * 255),
+                                                          int(bgcolor.green * 255),
+                                                          int(bgcolor.blue * 255))
+                tmp_win.remove(tmp_vte)
+                del(tmp_vte)
+                del(tmp_win)
+            else:
+                bgcolor = Gdk.RGBA()
+                bgcolor = profiles[profile]['background_color']
+            if profiles[profile]['background_type'] == 'transparent':
+                bgalpha = profiles[profile]['background_darkness']
+            else:
+                bgalpha = "1"
+
+            munged_profile = "".join([c if c.isalnum() else "-" for c in profile])
+            css += template % (munged_profile, bgcolor, bgalpha)
+
+        style_provider = Gtk.CssProvider()
+        style_provider.load_from_data(css)
+        self.style_providers.append(style_provider)
+
+        # Attempt to load some theme specific stylistic tweaks for appearances
+        usr_theme_dir = os.path.expanduser('~/.local/share/themes')
+        (head, _tail) = os.path.split(borg.__file__)
+        app_theme_dir = os.path.join(head, 'themes')
+
+        theme_name = self.gtk_settings.get_property('gtk-theme-name')
+
+        theme_part_list = ['terminator.css']
+        if self.config['extra_styling']:    # checkbox_style - needs adding to prefs
+            theme_part_list.append('terminator_styling.css')
+        for theme_part_file in theme_part_list:
+            for theme_dir in [usr_theme_dir, app_theme_dir]:
+                path_to_theme_specific_css = os.path.join(theme_dir,
+                                                          theme_name,
+                                                          'gtk-3.0/apps',
+                                                          theme_part_file)
+                if os.path.isfile(path_to_theme_specific_css):
+                    style_provider = Gtk.CssProvider()
+                    style_provider.load_from_path(path_to_theme_specific_css)
+                    self.style_providers.append(style_provider)
+                    break
+
+        # Size the GtkPaned splitter handle size.
+        css = ""
         if self.config['handle_size'] in xrange(0, 21):
             css += """
-                GtkPaned {
+                .terminator-terminal-window GtkPaned {
-                    -GtkPaned-handle-size: %s
+                    -GtkPaned-handle-size: %s; }
-                }
                 """ % self.config['handle_size']
-        self.style_provider = Gtk.CssProvider()
+        style_provider = Gtk.CssProvider()
-        self.style_provider.load_from_data(css)
+        style_provider.load_from_data(css)
-        Gtk.StyleContext.add_provider_for_screen(
+        self.style_providers.append(style_provider)
-            Gdk.Screen.get_default(), 
+
-            self.style_provider,     
+        # Apply the providers, incrementing priority so they don't cancel out
-            Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION)
+        # each other
+        for idx in xrange(0, len(self.style_providers)):
+            Gtk.StyleContext.add_provider_for_screen(
+                Gdk.Screen.get_default(),
+                self.style_providers[idx],
+                Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION+idx)
 
         # Cause all the terminals to reconfigure
         for terminal in self.terminals:

terminatorlib/themes/Adwaita/gtk-3.0/apps/terminator.css

@@ -0,0 +1,5 @@
+/* Fixes oversized hover area preventing selecting characters. */
+.terminator-terminal-window GtkPaned {
+    margin: 0 0 0 0;
+    padding: 0 0 0 0; }
+

terminatorlib/themes/Ambiance/gtk-3.0/apps/terminator.css

@@ -0,0 +1,9 @@
+.terminator-terminal-window .scrollbar.dragging:not(.slider),
+.terminator-terminal-window .scrollbar:hover:not(.slider),
+.terminator-terminal-window .scrollbar:not(.slider) {
+  background-color: alpha(@dark_bg_color,0);
+}
+
+.terminator-terminal-window .scrollbar:hover:not(.slider) {
+  background-color: alpha(@scrollbar_track_color, 0.4);
+}

terminatorlib/themes/Ambiance/gtk-3.0/apps/terminator_styling.css

@@ -0,0 +1,89 @@
+/*
+Some basic playing copying out the GNOME-Terminal style tab headers.
+
+Might want to have a seperate option for "shrinking" the tabs, by
+nuking the padding/borders in the tabs.
+*/
+
+.terminator-terminal-window .notebook.header {
+    border-width: 0; /* set below depending on position of tab bar */
+    border-color: shade (@bg_color, 0.82);
+    border-style: solid;
+    border-radius:  0px 0px 0px 0px;
+    background-color: @dark_bg_color;
+}
+
+/* Draw a border between tabs and content ... */
+.terminator-terminal-window .notebook.header.top { border-bottom-width: 1px; }
+.terminator-terminal-window .notebook.header.right { border-left-width: 1px; }
+.terminator-terminal-window .notebook.header.left { border-right-width: 1px; }
+.terminator-terminal-window .notebook.header.bottom { border-top-width: 1px; }
+
+/* ... unless the content is in a frame (thus having a border itself */
+.terminator-terminal-window .notebook.header.frame.top { border: none; }
+.terminator-terminal-window .notebook.header.frame.right { border: none; }
+.terminator-terminal-window .notebook.header.frame.right { border: none; }
+.terminator-terminal-window .notebook.header.frame.bottom { border: none; }
+
+
+.terminator-terminal-window .notebook tab {
+    background-color: shade(@bg_color, 0.7);
+    border-image: none;
+    border-style: solid;
+    border-color: @dark_bg_color;
+}
+
+/* give active tab a background, as it might be dragged across of others when reordering */
+.terminator-terminal-window .notebook tab:active {
+    background-color: @bg_color;
+}
+
+.terminator-terminal-window .notebook tab.top:active { padding-bottom: 3px; }
+.terminator-terminal-window .notebook tab.bottom:active { padding-top: 3px; }
+.terminator-terminal-window .notebook tab.left:active { padding-right: 5px; }
+.terminator-terminal-window .notebook tab.right:active { padding-left: 5px; }
+
+.terminator-terminal-window .notebook tab.top {
+    padding: 4px 6px 2px 6px;
+    border-width: 1px 1px 0px 1px;
+    border-radius:  8px 8px 0px 0px;
+}
+
+.terminator-terminal-window .notebook tab.bottom {
+    padding: 2px 6px 4px 6px;
+    border-width: 0px 1px 1px 1px;
+    border-radius:  0px 0px 8px 8px;
+}
+
+.terminator-terminal-window .notebook tab.left {
+    padding: 2px 4px 2px 6px;
+    border-width: 1px 0px 1px 1px;
+    border-radius:  8px 0px 0px 8px;
+}
+
+.terminator-terminal-window .notebook tab.right {
+    padding: 2px 6px 2px 4px;
+    border-width: 1px 1px 1px 0px;
+    border-radius:  0px 8px 8px 0px;
+}
+
+.terminator-terminal-window .notebook tab .button {
+    background-color: transparent;
+    padding: 1px;
+}
+
+/* Draw a focus ring around labels in tabs */
+.terminator-terminal-window .notebook tab GtkLabel {
+    border: 1px solid transparent;
+    border-radius: 5px;
+}
+
+.terminator-terminal-window .notebook:focus tab GtkLabel.active-page {
+    border-color: @focus_color;
+    background-color: @focus_bg_color;
+}
+
+.terminator-terminal-window .notebook GtkDrawingArea {
+        background-color: shade (@bg_color, 1.02);
+}
+

terminatorlib/themes/Breeze/gtk-3.0/apps/terminator.css

@@ -0,0 +1,12 @@
+/* Fixes oversized hover area preventing selecting characters. */
+.terminator-terminal-window GtkPaned {
+    margin: 0 0 0 0;
+    padding: 0 0 0 0; }
+
+/* First attempt at fixing the scrollbars */
+.terminator-terminal-window .scrollbar .trough,
+.terminator-terminal-window .scrollbar .button {
+  background-color: @theme_bg_color;
+  border-radius: 0px
+}
+

terminatorlib/themes/HighContrast/gtk-3.0/apps/terminator.css

@@ -0,0 +1,6 @@
+/* First attempt to fix scrollbars being transparent */
+
+.terminator-terminal-window .scrollbar .trough {
+  background-color: @theme_bg_color;
+}
+

terminatorlib/themes/Radiance/gtk-3.0/apps/terminator.css

@@ -0,0 +1,9 @@
+.terminator-terminal-window .scrollbar.dragging:not(.slider),
+.terminator-terminal-window .scrollbar:hover:not(.slider),
+.terminator-terminal-window .scrollbar:not(.slider) {
+  background-color: alpha(@dark_bg_color,0);
+}
+
+.terminator-terminal-window .scrollbar:hover:not(.slider) {
+  background-color: alpha(@scrollbar_track_color, 0.4);
+}

terminatorlib/themes/Radiance/gtk-3.0/apps/terminator_styling.css

@@ -0,0 +1,89 @@
+/*
+Some basic playing copying out the GNOME-Terminal style tab headers.
+
+Might want to have a seperate option for "shrinking" the tabs, by
+nuking the padding/borders in the tabs.
+*/
+
+.terminator-terminal-window .notebook.header {
+    border-width: 0; /* set below depending on position of tab bar */
+    border-color: shade (@bg_color, 0.82);
+    border-style: solid;
+    border-radius:  0px 0px 0px 0px;
+    background-color: @dark_bg_color;
+}
+
+/* Draw a border between tabs and content ... */
+.terminator-terminal-window .notebook.header.top { border-bottom-width: 1px; }
+.terminator-terminal-window .notebook.header.right { border-left-width: 1px; }
+.terminator-terminal-window .notebook.header.left { border-right-width: 1px; }
+.terminator-terminal-window .notebook.header.bottom { border-top-width: 1px; }
+
+/* ... unless the content is in a frame (thus having a border itself */
+.terminator-terminal-window .notebook.header.frame.top { border: none; }
+.terminator-terminal-window .notebook.header.frame.right { border: none; }
+.terminator-terminal-window .notebook.header.frame.right { border: none; }
+.terminator-terminal-window .notebook.header.frame.bottom { border: none; }
+
+
+.terminator-terminal-window .notebook tab {
+    background-color: shade(@bg_color, 0.7);
+    border-image: none;
+    border-style: solid;
+    border-color: @dark_bg_color;
+}
+
+/* give active tab a background, as it might be dragged across of others when reordering */
+.terminator-terminal-window .notebook tab:active {
+    background-color: @bg_color;
+}
+
+.terminator-terminal-window .notebook tab.top:active { padding-bottom: 3px; }
+.terminator-terminal-window .notebook tab.bottom:active { padding-top: 3px; }
+.terminator-terminal-window .notebook tab.left:active { padding-right: 5px; }
+.terminator-terminal-window .notebook tab.right:active { padding-left: 5px; }
+
+.terminator-terminal-window .notebook tab.top {
+    padding: 4px 6px 2px 6px;
+    border-width: 1px 1px 0px 1px;
+    border-radius:  8px 8px 0px 0px;
+}
+
+.terminator-terminal-window .notebook tab.bottom {
+    padding: 2px 6px 4px 6px;
+    border-width: 0px 1px 1px 1px;
+    border-radius:  0px 0px 8px 8px;
+}
+
+.terminator-terminal-window .notebook tab.left {
+    padding: 2px 4px 2px 6px;
+    border-width: 1px 0px 1px 1px;
+    border-radius:  8px 0px 0px 8px;
+}
+
+.terminator-terminal-window .notebook tab.right {
+    padding: 2px 6px 2px 4px;
+    border-width: 1px 1px 1px 0px;
+    border-radius:  0px 8px 8px 0px;
+}
+
+.terminator-terminal-window .notebook tab .button {
+    background-color: transparent;
+    padding: 1px;
+}
+
+/* Draw a focus ring around labels in tabs */
+.terminator-terminal-window .notebook tab GtkLabel {
+    border: 1px solid transparent;
+    border-radius: 5px;
+}
+
+.terminator-terminal-window .notebook:focus tab GtkLabel.active-page {
+    border-color: @focus_color;
+    background-color: @focus_bg_color;
+}
+
+.terminator-terminal-window .notebook GtkDrawingArea {
+        background-color: shade (@bg_color, 1.02);
+}
+

terminatorlib/themes/Raleigh/gtk-3.0/apps/terminator.css

@@ -0,0 +1,16 @@
+/* Raleigh is so old, it doesn't use the correct public colours */
+.terminator-terminal-window {
+    background-color: alpha(@bg_color,0); }
+
+.terminator-terminal-window .notebook {
+    background-color: @bg_color; }
+
+.terminator-terminal-window .notebook.header {
+    background-color: @bg_color; }
+
+.terminator-terminal-window .pane-separator {
+    background-color: @bg_color; }
+
+.terminator-terminal-window .terminator-terminal-searchbar {
+    background-color: @bg_color; }
+

terminatorlib/window.py

@@ -64,6 +64,8 @@ class Window(Container, Gtk.Window):
         GObject.type_register(Window)
         self.register_signals(Window)
 
+        self.get_style_context().add_class("terminator-terminal-window")
+
 #        self.set_property('allow-shrink', True)  # FIXME FOR GTK3, or do we need this actually?
         icon_to_apply=''