gscreen: multiple squashed commits

switch audio play to python3 gstreamer
switch notifications to gst notifications
switch terminal to spawn_async rather than fork
remove some trailing whitespace
fix some typos
rework some print statements
comment out some debug print statements
python3 updates
silence deprecation messages at startup
use markup for dro colors
quieten gtk dont know color warnings
fix hide-show pointer
fix some dialog deprecations
utilise the QtVCP logging library
use theme from preferences file
make glade file gtk3 compliant
make a start for gtk3 stylesheet
play nicely if audio file is incorrect or missing

Author: phillc54

configs/sim/gscreen/gscreen_theme/gtk-3.0/gtk.css

@@ -0,0 +1,34 @@
+.background {
+    color: #ffffff;
+    background-color: #232323;
+}
+
+*:active {
+    color: #dadada;
+    background-color: #151515;
+}
+
+*:disabled {
+    color: #151515;
+    background-color: #303030;
+}
+
+*:hover {
+    color: #fcfcfc;
+    background-color: #003263;
+}
+
+*:checked {
+    color: #fcfcfc;
+    background-color: #002849;
+}
+
+button, notebook tab label {
+    border: 1px solid #808080;
+    margin:1px;
+}
+
+*button:active {
+    color: #dadada;
+    background-color: #151515;
+}

…/sim/gscreen/gscreen_theme/gtk-2.0/gtkrc …/sim/gscreen/gscreen_theme/gtk-3.0/gtkrcconfigs/sim/gscreen/gscreen_theme/gtk-2.0/gtkrc renamed to configs/sim/gscreen/gscreen_theme/gtk-3.0/gtkrc configs/sim/gscreen/gscreen_theme/gtk-2.0/gtkrc renamed to configs/sim/gscreen/gscreen_theme/gtk-3.0/gtkrc

@@ -1,3 +1,9 @@
+***********************************
+old Gtk2 styling
+kept for obtaining original styling
+***********************************
+
+
 style "default"
 {
     GtkButton::default_border                    = {0, 0, 0, 0}
@@ -23,16 +29,16 @@ style "default"
     GtkScrollbar::min_slider_length              = 10
     GtkToolbar::shadow_type                      = out
     GtkWidget::focus-line-width                  = 1
-    GtkWidget::focus_padding                     = 1 
-    GtkWidget::interior_focus                    = 1 
-    GtkWidget::internal_padding                  = 2 
+    GtkWidget::focus_padding                     = 1
+    GtkWidget::interior_focus                    = 1
+    GtkWidget::internal_padding                  = 2
     GtkEntry::cursor_color                       = "#fcfcfc"
     GtkEntry::secondary_cursor_color             = "#fcfcfc"
     GtkTextView::cursor_color                    = "#fcfcfc"
     GtkTextView::secondary_cursor_color          = "#fcfcfc"
     GtkEntry::cursor_aspect_ratio                = 0.1
     GtkEntry::cursor_aspect_ratio                = 0.1
-    
+
     xthickness             = 1
     ythickness             = 1
 
@@ -81,7 +87,7 @@ style "button" = "default"
     xthickness = 2
     ythickness = 2
 
-    engine "xfce" 
+    engine "xfce"
     {
         smooth_edge = true
         grip_style = none
@@ -109,7 +115,7 @@ style "sbstyle" = "default"
 {
     xthickness = 2
     ythickness = 2
-    engine "xfce" 
+    engine "xfce"
     {
         smooth_edge = true
         grip_style = none
@@ -132,8 +138,8 @@ style "progress" = "default"
     xthickness = 2
     ythickness = 2
 }
-widget_class "*GtkProgress*"       style "progress" 
-class "*GtkProgress*"              style "progress" 
+widget_class "*GtkProgress*"       style "progress"
+class "*GtkProgress*"              style "progress"
 
 style "menuitem" = "default"
 {
@@ -152,7 +158,7 @@ style "flat" = "default"
 widget_class "*HandleBox"         style "flat"
 
 # This is for the window borders (xfwm4 & metacity)
-# 
+#
 style "titlebar"
 {
     bg[SELECTED]      = "#003263"
@@ -165,8 +171,8 @@ class "MetaFrames"                 style "titlebar"
 widget_class "MetaFrames"          style "titlebar"
 
 
-# These custom themed widget require the widget name 
-# to match in the glade file 
+# These custom themed widget require the widget name
+# to match in the glade file
 style "halsourceview" = "default"
 {
     base[SELECTED]    = "#FFFFFF" # highlight color

lib/python/gladevcp/offsetpage_widget.py

@@ -94,17 +94,9 @@ def __init__(self, filename = None, *a, **kw):
         self.display_follows_program = False # display units are chosen indepenadently of G20/G21
         self.font = "sans 12"
         self.editing_mode = False
-        # color = Gdk.RGBA()
-        # color.parse("lightblue")
-        # self.highlight_color = color
-        # color.parse("red")
-        # self.foreground_color = color
-        # color.parse("lightgray")
-        # self.unselectable_color = color
         self.highlight_color = self.color_parse("lightblue")
         self.foreground_color = self.color_parse("red")
         self.unselectable_color = self.color_parse("lightgray")
-
         self.hidejointslist = []
         self.hidecollist = []
         self.wTree = Gtk.Builder()