[gnome-control-center/wip/jsparber/background: 21/45] background: fix code style issues and remove commented code

[Julian Sparber <jsparber src gnome org>]

commit ec836dea06c06a1d23185558f0d9e3adaeb2d250
Author: Julian Sparber <julian sparber net>
Date:   Thu Nov 23 21:10:27 2017 +0100

    background: fix code style issues and remove commented code
    
    https://bugzilla.gnome.org/show_bug.cgi?id=788515

 panels/background/cc-background-grid-item.c |   43 +++++++++++---------------
 panels/background/cc-background-grid-item.h |    3 ++
 panels/background/cc-background-panel.c     |    2 +-
 3 files changed, 22 insertions(+), 26 deletions(-)
---
diff --git a/panels/background/cc-background-grid-item.c b/panels/background/cc-background-grid-item.c
index 5d83502..ccdd138 100644
--- a/panels/background/cc-background-grid-item.c
+++ b/panels/background/cc-background-grid-item.c
@@ -16,20 +16,23 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "config.h"
+
+#include <gtk/gtk.h>
 #include <glib/gi18n.h>
+
 #include "cc-background-grid-item.h"
 #include "cc-background-item.h"
 
 struct _CcBackgroundGridItem
 {
-  GtkFlowBoxChild            parent;
+  GtkFlowBoxChild       parent;
 
   /* data */
   CcBackgroundItem      *item;
-  GdkPixbuf *cached_pixbuf;
+  GdkPixbuf             *cached_pixbuf;
 };
 
-
 G_DEFINE_TYPE (CcBackgroundGridItem, cc_background_grid_item, GTK_TYPE_FLOW_BOX_CHILD)
 
     enum {
@@ -40,9 +43,9 @@ G_DEFINE_TYPE (CcBackgroundGridItem, cc_background_grid_item, GTK_TYPE_FLOW_BOX_
 
 static void
 add_slideshow_emblem (GdkPixbuf *pixbuf,
-                      gint w,
-                      gint h,
-                      gint scale_factor)
+                      gint      w,
+                      gint      h,
+                      gint      scale_factor)
 {
   GdkPixbuf *slideshow_emblem;
   GIcon *icon = NULL;
@@ -52,8 +55,6 @@ add_slideshow_emblem (GdkPixbuf *pixbuf,
 
   int eh;
   int ew;
-  //int h;
-  //int w;
   int x;
   int y;
 
@@ -79,8 +80,6 @@ add_slideshow_emblem (GdkPixbuf *pixbuf,
     else {
       eh = gdk_pixbuf_get_height (slideshow_emblem);
       ew = gdk_pixbuf_get_width (slideshow_emblem);
-      //h = gdk_pixbuf_get_height (pixbuf);
-      //w = gdk_pixbuf_get_width (pixbuf);
       x = w - ew - 5;
       y = h - eh - 5;
 
@@ -93,16 +92,14 @@ add_slideshow_emblem (GdkPixbuf *pixbuf,
 }
 
 static gboolean
-on_gallery_item_draw (GtkWidget         *widget,
-                      cairo_t           *cr,
+on_gallery_item_draw (GtkWidget            *widget,
+                      cairo_t              *cr,
                       CcBackgroundGridItem *item)
 {
   GdkPixbuf *pixbuf = item->cached_pixbuf;
   GdkPixbuf *new_pixbuf;
   const gint space_width = gtk_widget_get_allocated_width (widget);
   const gint space_height = gtk_widget_get_allocated_height ( (widget));
-  //const gint pixbuf_width = gdk_pixbuf_get_width (pixbuf);
-  //const gint pixbuf_height = gdk_pixbuf_get_height (pixbuf);
   const gint scale_factor = gtk_widget_get_scale_factor (widget);
   gint new_width;
   gint new_height;
@@ -125,7 +122,6 @@ on_gallery_item_draw (GtkWidget         *widget,
     add_slideshow_emblem (new_pixbuf, (space_width + new_width) / 2, (space_height + new_height)/2, 
scale_factor);
   }
 
-
   gdk_cairo_set_source_pixbuf (cr,
                                new_pixbuf,
                                (space_width - new_width) / 2,
@@ -138,7 +134,8 @@ on_gallery_item_draw (GtkWidget         *widget,
 }
 
 GtkWidget*
-cc_background_grid_item_new (CcBackgroundItem *item, GdkPixbuf *pixbuf)
+cc_background_grid_item_new (CcBackgroundItem *item,
+                             GdkPixbuf        *pixbuf)
 {
 
   return g_object_new (CC_TYPE_BACKGROUND_GRID_ITEM,
@@ -153,7 +150,8 @@ CcBackgroundItem * cc_background_grid_item_get_ref (GtkWidget *widget)
   return self->item;
 }
 void
-cc_background_grid_item_set_ref (GtkWidget *widget, CcBackgroundItem *item)
+cc_background_grid_item_set_ref (GtkWidget        *widget,
+                                 CcBackgroundItem *item)
 {
   CcBackgroundGridItem *self = (CcBackgroundGridItem *) widget;
   self->item = item;
@@ -162,8 +160,6 @@ cc_background_grid_item_set_ref (GtkWidget *widget, CcBackgroundItem *item)
 static void
 cc_background_grid_item_finalize (GObject *object)
 {
-  //CcBackgroundGridItem *self = CC_BACKGROUND_GRID_ITEM (object);
-
   G_OBJECT_CLASS (cc_background_grid_item_parent_class)->finalize (object);
 
 }
@@ -171,14 +167,12 @@ cc_background_grid_item_finalize (GObject *object)
 static void
 cc_background_grid_item_dispose (GObject *object)
 {
-  //CcBackgroundGridItem *self = CC_BACKGROUND_GRID_ITEM (object);
-
   G_OBJECT_CLASS (cc_background_grid_item_parent_class)->dispose (object);
 }
 
 static void
-cc_background_grid_item_set_property (GObject *object,
-                                      guint         prop_id,
+cc_background_grid_item_set_property (GObject      *object,
+                                      guint        prop_id,
                                       const GValue *value,
                                       GParamSpec   *pspec)
 {
@@ -200,7 +194,7 @@ cc_background_grid_item_set_property (GObject *object,
 
 static void
 cc_background_grid_item_get_property (GObject    *object,
-                                      guint       prop_id,
+                                      guint      prop_id,
                                       GValue     *value,
                                       GParamSpec *pspec)
 {
@@ -226,7 +220,6 @@ static void
 cc_background_grid_item_class_init (CcBackgroundGridItemClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
-  //GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 
   object_class->finalize = cc_background_grid_item_finalize;
   object_class->dispose = cc_background_grid_item_dispose;
diff --git a/panels/background/cc-background-grid-item.h b/panels/background/cc-background-grid-item.h
index 1e90a7f..af1b92f 100644
--- a/panels/background/cc-background-grid-item.h
+++ b/panels/background/cc-background-grid-item.h
@@ -19,7 +19,10 @@
 #ifndef CC_BACKGROUND_GRID_ITEM_H
 #define CC_BACKGROUND_GRID_ITEM_H
 
+#include "config.h"
+
 #include <gtk/gtk.h>
+
 #include "cc-background-item.h"
 
 G_BEGIN_DECLS
diff --git a/panels/background/cc-background-panel.c b/panels/background/cc-background-panel.c
index 32c7d40..630764d 100644
--- a/panels/background/cc-background-panel.c
+++ b/panels/background/cc-background-panel.c
@@ -684,7 +684,6 @@ is_gnome_photos_installed ()
   return TRUE;
 }
 
-
 static GtkWidget *
 create_gallery_item (gpointer item,
                      gpointer user_data)
@@ -699,6 +698,7 @@ create_gallery_item (gpointer item,
 
   scale_factor = gtk_widget_get_scale_factor (GTK_WIDGET (panel));
 
+  /* Create a small cached pixbuf which is bigger then a gallery item */
   pixbuf = cc_background_item_get_frame_thumbnail (self,
                                                    panel->thumb_factory,
                                                    preview_width,