[gnome-builder] terminal: make terminal foreground and background match theme styling

[Christian Hergert <chergert src gnome org>]

commit 975524d4287e2591e06dc0ccd7e503bd1d0bbb25
Author: Christian Hergert <christian hergert me>
Date:   Tue Jun 9 17:57:34 2015 -0700

    terminal: make terminal foreground and background match theme styling

 data/theme/Adwaita-dark.css         |    6 ++++++
 data/theme/Adwaita.css              |    6 ++++++
 plugins/terminal/gb-terminal-view.c |   33 +++++++++++++++++++++++++++++++++
 3 files changed, 45 insertions(+), 0 deletions(-)
---
diff --git a/data/theme/Adwaita-dark.css b/data/theme/Adwaita-dark.css
index 6a274f3..fa19973 100644
--- a/data/theme/Adwaita-dark.css
+++ b/data/theme/Adwaita-dark.css
@@ -21,3 +21,9 @@ RgGraph {
   background-image: repeating-linear-gradient(0deg, #32383a, #32383a 1px, transparent 1px, transparent 8px),
                     repeating-linear-gradient(-90deg, #32383a, #32383a 1px, transparent 1px, transparent 
8px);
 }
+
+
+GbTerminalView {
+  background-color: #2e3436;
+  color: #babdb6;
+}
diff --git a/data/theme/Adwaita.css b/data/theme/Adwaita.css
index 19e7e4a..0d2557e 100644
--- a/data/theme/Adwaita.css
+++ b/data/theme/Adwaita.css
@@ -27,3 +27,9 @@ RgGraph {
   background-image: repeating-linear-gradient(0deg, #f0f1f2, #f0f1f2 1px, transparent 1px, transparent 8px),
                     repeating-linear-gradient(-90deg, #f0f1f2, #f0f1f2 1px, transparent 1px, transparent 
8px);
 }
+
+
+GbTerminalView {
+  background-color: #f6f7f8;
+  color: #4d4e53;
+}
diff --git a/plugins/terminal/gb-terminal-view.c b/plugins/terminal/gb-terminal-view.c
index 0cce4ce..f602ea1 100644
--- a/plugins/terminal/gb-terminal-view.c
+++ b/plugins/terminal/gb-terminal-view.c
@@ -249,6 +249,30 @@ window_title_changed_cb (VteTerminal    *terminal,
 }
 
 static void
+style_context_changed (GtkStyleContext *style_context,
+                       GbTerminalView  *self)
+{
+  GdkRGBA fg;
+  GdkRGBA bg;
+
+  g_assert (GTK_IS_STYLE_CONTEXT (style_context));
+  g_assert (GB_IS_TERMINAL_VIEW (self));
+
+  gtk_style_context_get_color (style_context, GTK_STATE_FLAG_NORMAL, &fg);
+  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
+  gtk_style_context_get_background_color (style_context, GTK_STATE_FLAG_NORMAL, &bg);
+  G_GNUC_END_IGNORE_DEPRECATIONS;
+
+  if (bg.alpha == 0.0)
+    {
+      gdk_rgba_parse (&bg, "#f6f7f8");
+    }
+
+  vte_terminal_set_color_foreground (self->terminal, &fg);
+  vte_terminal_set_color_background (self->terminal, &bg);
+}
+
+static void
 gb_terminal_grab_focus (GtkWidget *widget)
 {
   GbTerminalView *self = (GbTerminalView *)widget;
@@ -280,6 +304,7 @@ gb_terminal_view_class_init (GbTerminalViewClass *klass)
 static void
 gb_terminal_view_init (GbTerminalView *self)
 {
+  GtkStyleContext *style_context;
   GQuark quark;
   guint signal_id;
 
@@ -321,4 +346,12 @@ gb_terminal_view_init (GbTerminalView *self)
                                self,
                                0);
     }
+
+  style_context = gtk_widget_get_style_context (GTK_WIDGET (self));
+  g_signal_connect_object (style_context,
+                           "changed",
+                           G_CALLBACK (style_context_changed),
+                           self,
+                           0);
+  style_context_changed (style_context, self);
 }