1 files changed, 145 insertions, 0 deletions
diff --git a/app/widgets/gimptoolbox-image-area.c b/app/widgets/gimptoolbox-image-area.c
new file mode 100644
index 0000000..c60ecdb
--- /dev/null
+++ b/app/widgets/gimptoolbox-image-area.c
@@ -0,0 +1,145 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimpimage.h"
+
+#include "gimpdnd.h"
+#include "gimpview.h"
+#include "gimptoolbox.h"
+#include "gimptoolbox-image-area.h"
+#include "gimpwindowstrategy.h"
+#include "gimpwidgets-utils.h"
+
+#include "gimp-intl.h"
+
+
+static void
+image_preview_clicked (GtkWidget       *widget,
+                       GdkModifierType  state,
+                       GimpToolbox     *toolbox)
+{
+  GimpContext *context = gimp_toolbox_get_context (toolbox);
+
+  gimp_window_strategy_show_dockable_dialog (GIMP_WINDOW_STRATEGY (gimp_get_window_strategy (context->gimp)),
+                                             context->gimp,
+                                             gimp_dock_get_dialog_factory (GIMP_DOCK (toolbox)),
+                                             gtk_widget_get_screen (widget),
+                                             gimp_widget_get_monitor (widget),
+                                             "gimp-image-list|gimp-image-grid");
+}
+
+static void
+image_preview_drop_image (GtkWidget    *widget,
+                          gint          x,
+                          gint          y,
+                          GimpViewable *viewable,
+                          gpointer      data)
+{
+  GimpContext *context = GIMP_CONTEXT (data);
+
+  gimp_context_set_image (context, GIMP_IMAGE (viewable));
+}
+
+static void
+image_preview_set_viewable (GimpView     *view,
+                            GimpViewable *old_viewable,
+                            GimpViewable *new_viewable)
+{
+  if (! old_viewable && new_viewable)
+    {
+      gimp_dnd_xds_source_add (GTK_WIDGET (view),
+                               (GimpDndDragViewableFunc) gimp_view_get_viewable,
+                               NULL);
+    }
+  else if (old_viewable && ! new_viewable)
+    {
+      gimp_dnd_xds_source_remove (GTK_WIDGET (view));
+    }
+}
+
+/*  public functions  */
+
+GtkWidget *
+gimp_toolbox_image_area_create (GimpToolbox *toolbox,
+                                gint         width,
+                                gint         height)
+{
+  GimpContext *context;
+  GtkWidget   *image_view;
+  gchar       *tooltip;
+
+  g_return_val_if_fail (GIMP_IS_TOOLBOX (toolbox), NULL);
+
+  context = gimp_toolbox_get_context (toolbox);
+
+  image_view = gimp_view_new_full_by_types (context,
+                                            GIMP_TYPE_VIEW, GIMP_TYPE_IMAGE,
+                                            width, height, 0,
+                                            FALSE, TRUE, TRUE);
+
+  g_signal_connect (image_view, "set-viewable",
+                    G_CALLBACK (image_preview_set_viewable),
+                    NULL);
+
+  gimp_view_set_viewable (GIMP_VIEW (image_view),
+                          GIMP_VIEWABLE (gimp_context_get_image (context)));
+
+  gtk_widget_show (image_view);
+
+#ifdef GDK_WINDOWING_X11
+  tooltip = g_strdup_printf ("%s\n%s",
+                             _("The active image.\n"
+                               "Click to open the Image Dialog."),
+                             _("Drag to an XDS enabled file-manager to "
+                               "save the image."));
+#else
+  tooltip = g_strdup (_("The active image.\n"
+                        "Click to open the Image Dialog."));
+#endif
+
+  gimp_help_set_help_data (image_view, tooltip, NULL);
+  g_free (tooltip);
+
+  g_signal_connect_object (context, "image-changed",
+                           G_CALLBACK (gimp_view_set_viewable),
+                           image_view, G_CONNECT_SWAPPED);
+
+  g_signal_connect (image_view, "clicked",
+                    G_CALLBACK (image_preview_clicked),
+                    toolbox);
+
+  gimp_dnd_viewable_dest_add (image_view,
+                              GIMP_TYPE_IMAGE,
+                              image_preview_drop_image,
+                              context);
+
+  return image_view;
+}