[gnome-photos] build, gegl-gtk-view: Remove code for GTK+ 2.x drawing

[Debarshi Ray <debarshir src gnome org>]

commit 8d7487dc78057867a0a2766a49d5d9a7ecebf4fc
Author: Debarshi Ray <debarshir gnome org>
Date:   Wed Dec 2 08:43:56 2015 +0100

    build, gegl-gtk-view: Remove code for GTK+ 2.x drawing
    
    We are never going to use GTK+ 2.x, and this is a step towards cleaning
    up this code. We are ultimately going to use the new image viewer
    widget in GTK+, so the divergence from from gegl-gtk doesn't matter so
    much.

 configure.ac        |    3 ---
 src/gegl-gtk-view.c |   42 ------------------------------------------
 2 files changed, 0 insertions(+), 45 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 8689dc9..26db5a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -82,10 +82,7 @@ PKG_CHECK_MODULES(GOA, [goa-1.0 >= $GOA_MIN_VERSION])
 AC_DEFINE([GOA_API_IS_SUBJECT_TO_CHANGE], [], [We are aware that GOA's API can change])
 
 PKG_CHECK_MODULES(GRILO, [grilo-0.3 >= $GRILO_MIN_VERSION])
-
 PKG_CHECK_MODULES(GTK, [gtk+-3.0 >= $GTK_MIN_VERSION])
-AC_DEFINE([HAVE_GTK3], [], [We want gegl-gtk to use the GTK+ 3.x code path])
-
 PKG_CHECK_MODULES(GTK_UNIX_PRINT, [gtk+-unix-print-3.0])
 PKG_CHECK_MODULES(TRACKER, [tracker-control-1.0 tracker-sparql-1.0])
 
diff --git a/src/gegl-gtk-view.c b/src/gegl-gtk-view.c
index 21ec610..49d75e2 100644
--- a/src/gegl-gtk-view.c
+++ b/src/gegl-gtk-view.c
@@ -119,15 +119,8 @@ static void      get_property(GObject        *gobject,
                               GValue         *value,
                               GParamSpec     *pspec);
 
-#ifdef HAVE_GTK2
-static gboolean  expose_event(GtkWidget      *widget,
-                              GdkEventExpose *event);
-#endif
-#ifdef HAVE_GTK3
 static gboolean  draw(GtkWidget *widget,
                       cairo_t *cr);
-#endif
-
 
 static void
 trigger_redraw(ViewHelper *priv, GeglRectangle *rect, GeglGtkView *view);
@@ -147,13 +140,7 @@ gegl_gtk_view_class_init(GeglGtkViewClass *klass)
     gobject_class->set_property = set_property;
     gobject_class->get_property = get_property;
 
-#ifdef HAVE_GTK2
-    widget_class->expose_event        = expose_event;
-#endif
-
-#ifdef HAVE_GTK3
     widget_class->draw                = draw;
-#endif
 
     g_object_class_install_property(gobject_class, PROP_X,
                                     g_param_spec_float("x",
@@ -396,7 +383,6 @@ draw_implementation(GeglGtkView *self, cairo_t *cr, GdkRectangle *rect)
 #endif
 }
 
-#ifdef HAVE_GTK3
 static gboolean
 draw(GtkWidget *widget, cairo_t *cr)
 {
@@ -413,34 +399,6 @@ draw(GtkWidget *widget, cairo_t *cr)
 
     return FALSE;
 }
-#endif
-
-#ifdef HAVE_GTK2
-static gboolean
-expose_event(GtkWidget      *widget,
-             GdkEventExpose *event)
-{
-    GeglGtkView *self = GEGL_GTK_VIEW(widget);
-    ViewHelper *priv = GET_PRIVATE(self);
-    cairo_t      *cr;
-    GdkRectangle rect;
-
-    if (!priv->node)
-        return FALSE;
-
-    cr = gdk_cairo_create(widget->window);
-    gdk_cairo_region(cr, event->region);
-    cairo_clip(cr);
-    gdk_region_get_clipbox(event->region, &rect);
-
-    draw_implementation(self, cr, &rect);
-
-    cairo_destroy(cr);
-
-    return FALSE;
-}
-#endif
-
 
 /**
  * gegl_gtk_view_new: