[gnome-builder/wip/minimap2] minimap: add some basic styling with css

[Christian Hergert <chergert src gnome org>]

commit 81860a2085bd01fb3427e0169a614c0bcd51eb02
Author: Christian Hergert <christian hergert me>
Date:   Tue Apr 21 16:05:39 2015 -0700

    minimap: add some basic styling with css

 data/theme/Adwaita-shared.css |   10 ++++++++++
 data/theme/shared.css         |    6 ++++++
 libide/ide-source-map.c       |    8 --------
 3 files changed, 16 insertions(+), 8 deletions(-)
---
diff --git a/data/theme/Adwaita-shared.css b/data/theme/Adwaita-shared.css
index 06397c4..ab17625 100644
--- a/data/theme/Adwaita-shared.css
+++ b/data/theme/Adwaita-shared.css
@@ -37,3 +37,13 @@ GbEditorWorkspace > GtkPaned > GtkBox > GtkBox.header.notebook {
 GbNewProjectDialog GtkFileChooserButton.linked-on-right .button {
   border-radius: 3px 0 0 3px;
 }
+
+
+/*
+ * Minimap highlight.
+ */
+IdeSourceMap GtkEventBox {
+  background-color: #a0a3a3;
+  border-top: 1px solid #2e3436;
+  border-bottom: 1px solid #2e3436;
+}
diff --git a/data/theme/shared.css b/data/theme/shared.css
index d09ca91..222ad09 100644
--- a/data/theme/shared.css
+++ b/data/theme/shared.css
@@ -97,3 +97,9 @@ GbSearchDisplayGroup GtkListBox .list-row {
 GbDocumentStack .button {
   transition: none;
 }
+
+
+IdeSourceMap GtkEventBox {
+  background-color: @theme_selected_bg_color;
+  opacity: 0.5;
+}
diff --git a/libide/ide-source-map.c b/libide/ide-source-map.c
index da85132..2e5edd2 100644
--- a/libide/ide-source-map.c
+++ b/libide/ide-source-map.c
@@ -640,14 +640,6 @@ ide_source_map_init (IdeSourceMap *self)
                            self,
                            G_CONNECT_SWAPPED);
 
-  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
-  {
-    /* TODO: use css or stylescheme for this */
-    GdkRGBA bg = { 0, 0, 0, .3 };
-    gtk_widget_override_background_color (GTK_WIDGET (self->overlay_box), GTK_STATE_FLAG_NORMAL, &bg);
-  }
-  G_GNUC_END_IGNORE_DEPRECATIONS;
-
   gtk_overlay_add_overlay (GTK_OVERLAY (self), GTK_WIDGET (self->overlay_box));
 
   completion = gtk_source_view_get_completion (self->child_view);