[gnome-builder/wip/chergert/bug1] debugger: add basic styling to match editor

[Christian Hergert <chergert src gnome org>]

commit 603f949487ecb51b3aaa29273056a63800fc4ce7
Author: Christian Hergert <chergert redhat com>
Date:   Mon Aug 28 18:52:05 2017 -0700

    debugger: add basic styling to match editor

 libide/debugger/ide-debugger-view.c |   96 +++++++++++++++++++++++++++++++++++
 1 files changed, 96 insertions(+), 0 deletions(-)
---
diff --git a/libide/debugger/ide-debugger-view.c b/libide/debugger/ide-debugger-view.c
index 4c8ffb9..e84f927 100644
--- a/libide/debugger/ide-debugger-view.c
+++ b/libide/debugger/ide-debugger-view.c
@@ -32,6 +32,7 @@ struct _IdeDebuggerView
 
   /* Owned references */
   GFile                     *file;
+  GSettings                 *editor_settings;
 
   /* Unowned references */
   GtkSourceView             *source_view;
@@ -44,10 +45,87 @@ struct _IdeDebuggerView
 G_DEFINE_TYPE (IdeDebuggerView, ide_debugger_view, IDE_TYPE_LAYOUT_VIEW)
 
 static void
+notify_style_scheme (IdeDebuggerView *self,
+                     GParamSpec      *pspec,
+                     GtkSourceBuffer *buffer)
+{
+  g_autofree gchar *background = NULL;
+  g_autofree gchar *foreground = NULL;
+  GtkSourceStyleScheme *scheme;
+  GtkSourceStyle *style;
+  gboolean background_set = FALSE;
+  gboolean foreground_set = FALSE;
+  GdkRGBA rgba;
+
+  g_assert (IDE_IS_DEBUGGER_VIEW (self));
+  g_assert (GTK_SOURCE_IS_BUFFER (buffer));
+
+  if (NULL == (scheme = gtk_source_buffer_get_style_scheme (buffer)) ||
+      NULL == (style = gtk_source_style_scheme_get_style (scheme, "text")))
+    goto unset_primary_color;
+
+  g_object_get (style,
+                "background-set", &background_set,
+                "background", &background,
+                "foreground-set", &foreground_set,
+                "foreground", &foreground,
+                NULL);
+
+  if (!background_set || background == NULL || !gdk_rgba_parse (&rgba, background))
+    goto unset_primary_color;
+
+  if (background_set && background != NULL && gdk_rgba_parse (&rgba, background))
+    ide_layout_view_set_primary_color_bg (IDE_LAYOUT_VIEW (self), &rgba);
+  else
+    goto unset_primary_color;
+
+  if (foreground_set && foreground != NULL && gdk_rgba_parse (&rgba, foreground))
+    ide_layout_view_set_primary_color_fg (IDE_LAYOUT_VIEW (self), &rgba);
+  else
+    ide_layout_view_set_primary_color_fg (IDE_LAYOUT_VIEW (self), NULL);
+
+  return;
+
+unset_primary_color:
+  ide_layout_view_set_primary_color_bg (IDE_LAYOUT_VIEW (self), NULL);
+  ide_layout_view_set_primary_color_fg (IDE_LAYOUT_VIEW (self), NULL);
+}
+
+static gboolean
+grid_get_mapping (GValue   *value,
+                  GVariant *variant,
+                  gpointer  user_data)
+{
+  if (g_variant_get_boolean (variant))
+    g_value_set_enum (value, GTK_SOURCE_BACKGROUND_PATTERN_TYPE_GRID);
+  else
+    g_value_set_enum (value, GTK_SOURCE_BACKGROUND_PATTERN_TYPE_NONE);
+
+  return TRUE;
+}
+
+static gboolean
+scheme_get_mapping (GValue   *value,
+                    GVariant *variant,
+                    gpointer  user_data)
+{
+  GtkSourceStyleSchemeManager *manager = gtk_source_style_scheme_manager_get_default ();
+  const gchar *name = g_variant_get_string (variant, NULL);
+  GtkSourceStyleScheme *scheme = NULL;
+
+  if (name != NULL)
+    scheme = gtk_source_style_scheme_manager_get_scheme (manager, name);
+  g_value_set_object (value, scheme);
+
+  return TRUE;
+}
+
+static void
 ide_debugger_view_destroy (GtkWidget *widget)
 {
   IdeDebuggerView *self = (IdeDebuggerView *)widget;
 
+  g_clear_object (&self->editor_settings);
   g_clear_object (&self->file);
 
   GTK_WIDGET_CLASS (ide_debugger_view_parent_class)->destroy (widget);
@@ -77,6 +155,24 @@ ide_debugger_view_init (IdeDebuggerView *self)
                                            "visible", TRUE,
                                            NULL);
   gtk_source_gutter_insert (gutter, GTK_SOURCE_GUTTER_RENDERER (self->breakpoints_gutter), -100);
+
+  g_signal_connect_swapped (self->source_buffer,
+                            "notify::style-scheme",
+                            G_CALLBACK (notify_style_scheme),
+                            self);
+  notify_style_scheme (self, NULL, self->source_buffer);
+
+  self->editor_settings = g_settings_new ("org.gnome.builder.editor");
+
+  g_settings_bind_with_mapping (self->editor_settings, "show-grid-lines",
+                                self->source_view, "background-pattern",
+                                G_SETTINGS_BIND_GET,
+                                grid_get_mapping, NULL, NULL, NULL);
+
+  g_settings_bind_with_mapping (self->editor_settings, "style-scheme-name",
+                                self->source_buffer, "style-scheme",
+                                G_SETTINGS_BIND_GET,
+                                scheme_get_mapping, NULL, NULL, NULL);
 }
 
 static void