[gnome-builder] allow dropping anywhere on workbench (that doesnt supress dnd)

[Christian Hergert <chergert src gnome org>]

commit 5aaae53712333e409154ebd415ebf0b90c45b37c
Author: Christian Hergert <christian hergert me>
Date:   Thu Mar 19 15:03:35 2015 -0700

    allow dropping anywhere on workbench (that doesnt supress dnd)

 src/workbench/gb-workbench-actions.c |   11 +-----
 src/workbench/gb-workbench.c         |   68 ++++++++++++++++++++++++++++++++++
 src/workbench/gb-workbench.h         |   16 ++++---
 3 files changed, 78 insertions(+), 17 deletions(-)
---
diff --git a/src/workbench/gb-workbench-actions.c b/src/workbench/gb-workbench-actions.c
index 7289e56..0ee68ca 100644
--- a/src/workbench/gb-workbench-actions.c
+++ b/src/workbench/gb-workbench-actions.c
@@ -55,16 +55,7 @@ gb_workbench_actions_open_uri_list (GSimpleAction *action,
 
   if (uri_list != NULL)
     {
-      gsize i;
-
-      for (i = 0; uri_list [i]; i++)
-        {
-          g_autoptr(GFile) file = NULL;
-
-          file = g_file_new_for_uri (uri_list [i]);
-          gb_workbench_open (self, file);
-        }
-
+      gb_workbench_open_uri_list (self, (const gchar * const *)uri_list);
       g_free (uri_list);
     }
 }
diff --git a/src/workbench/gb-workbench.c b/src/workbench/gb-workbench.c
index 1ec405f..12fdfec 100644
--- a/src/workbench/gb-workbench.c
+++ b/src/workbench/gb-workbench.c
@@ -22,6 +22,7 @@
 #include <ide.h>
 
 #include "gb-command-gaction-provider.h"
+#include "gb-dnd.h"
 #include "gb-widget.h"
 #include "gb-workbench-actions.h"
 #include "gb-workbench-private.h"
@@ -38,7 +39,14 @@ enum {
   LAST_PROP
 };
 
+enum {
+  TARGET_URI_LIST = 100
+};
+
 static GParamSpec *gParamSpecs [LAST_PROP];
+static const GtkTargetEntry gDropTypes[] = {
+  { "text/uri-list", 0, TARGET_URI_LIST}
+};
 
 static void
 gb_workbench_set_context (GbWorkbench *self,
@@ -123,6 +131,42 @@ gb_workbench_draw (GtkWidget *widget,
 }
 
 static void
+gb_workbench_drag_data_received (GtkWidget        *widget,
+                                 GdkDragContext   *context,
+                                 gint              x,
+                                 gint              y,
+                                 GtkSelectionData *selection_data,
+                                 guint             info,
+                                 guint             timestamp)
+{
+  GbWorkbench *self = (GbWorkbench *)widget;
+  gchar **uri_list;
+  gboolean handled = FALSE;
+
+  g_assert (GB_IS_WORKBENCH (self));
+
+  switch (info)
+    {
+    case TARGET_URI_LIST:
+      uri_list = gb_dnd_get_uri_list (selection_data);
+
+      if (uri_list)
+        {
+          gb_workbench_open_uri_list (self, (const gchar * const *)uri_list);
+          g_strfreev (uri_list);
+        }
+
+      handled = TRUE;
+      break;
+
+    default:
+      break;
+    }
+
+  gtk_drag_finish (context, handled, FALSE, timestamp);
+}
+
+static void
 gb_workbench_realize (GtkWidget *widget)
 {
   GbWorkbench *self = (GbWorkbench *)widget;
@@ -287,6 +331,7 @@ gb_workbench_class_init (GbWorkbenchClass *klass)
   object_class->get_property = gb_workbench_get_property;
   object_class->set_property = gb_workbench_set_property;
 
+  widget_class->drag_data_received = gb_workbench_drag_data_received;
   widget_class->draw = gb_workbench_draw;
   widget_class->realize = gb_workbench_realize;
   widget_class->delete_event = gb_workbench_delete_event;
@@ -356,6 +401,12 @@ gb_workbench_init (GbWorkbench *self)
                                    NULL);
   gb_command_manager_add_provider (self->command_manager, gaction_provider);
 
+
+  /* Drag and drop support*/
+  gtk_drag_dest_set (GTK_WIDGET (self),
+                     (GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_HIGHLIGHT | GTK_DEST_DEFAULT_DROP),
+                     gDropTypes, G_N_ELEMENTS (gDropTypes), GDK_ACTION_COPY);
+
   IDE_EXIT;
 }
 
@@ -440,3 +491,20 @@ gb_workbench_get_command_manager (GbWorkbench *self)
 
   return self->command_manager;
 }
+
+void
+gb_workbench_open_uri_list (GbWorkbench         *self,
+                            const gchar * const *uri_list)
+{
+  gsize i;
+
+  g_return_if_fail (GB_IS_WORKBENCH (self));
+
+  for (i = 0; uri_list [i]; i++)
+    {
+      g_autoptr(GFile) file = NULL;
+
+      file = g_file_new_for_uri (uri_list [i]);
+      gb_workbench_open (self, file);
+    }
+}
diff --git a/src/workbench/gb-workbench.h b/src/workbench/gb-workbench.h
index 54ea1bf..4cd2412 100644
--- a/src/workbench/gb-workbench.h
+++ b/src/workbench/gb-workbench.h
@@ -31,13 +31,15 @@ G_BEGIN_DECLS
 
 G_DECLARE_FINAL_TYPE (GbWorkbench, gb_workbench, GB, WORKBENCH, GtkApplicationWindow)
 
-IdeContext       *gb_workbench_get_context          (GbWorkbench *self);
-GbWorkspace      *gb_workbench_get_active_workspace (GbWorkbench *self);
-void              gb_workbench_set_active_workspace (GbWorkbench *self,
-                                                     GbWorkspace *workspace);
-void              gb_workbench_open                 (GbWorkbench *self,
-                                                     GFile       *file);
-GbCommandManager *gb_workbench_get_command_manager  (GbWorkbench *self);
+IdeContext       *gb_workbench_get_context          (GbWorkbench         *self);
+GbWorkspace      *gb_workbench_get_active_workspace (GbWorkbench         *self);
+void              gb_workbench_set_active_workspace (GbWorkbench         *self,
+                                                     GbWorkspace         *workspace);
+void              gb_workbench_open                 (GbWorkbench         *self,
+                                                     GFile               *file);
+void              gb_workbench_open_uri_list        (GbWorkbench         *self,
+                                                     const gchar * const *uri_list);
+GbCommandManager *gb_workbench_get_command_manager  (GbWorkbench         *self);
 
 G_END_DECLS