 c67e3f37da
			
		
	
	c67e3f37da
	
	
	
		
			
			_gdk_wayland_window_offset_next_wl_buffer() moves the window relatively to its current position, pass it a delta instead of new position.
		
			
				
	
	
		
			662 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			662 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright © 2010 Intel Corporation
 | |
|  *
 | |
|  * This library is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU Library General Public
 | |
|  * License as published by the Free Software Foundation; either
 | |
|  * version 2 of the License, or (at your option) any later version.
 | |
|  *
 | |
|  * This library 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
 | |
|  * Library General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU Library General Public
 | |
|  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
 | |
|  */
 | |
| 
 | |
| #include "config.h"
 | |
| 
 | |
| #include "gdkdndprivate.h"
 | |
| 
 | |
| #include "gdkmain.h"
 | |
| #include "gdkinternals.h"
 | |
| #include "gdkproperty.h"
 | |
| #include "gdkprivate-wayland.h"
 | |
| #include "gdkdisplay-wayland.h"
 | |
| #include "gdkseat-wayland.h"
 | |
| 
 | |
| #include "gdkdeviceprivate.h"
 | |
| 
 | |
| #include <string.h>
 | |
| 
 | |
| #define GDK_TYPE_WAYLAND_DRAG_CONTEXT              (gdk_wayland_drag_context_get_type ())
 | |
| #define GDK_WAYLAND_DRAG_CONTEXT(object)           (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WAYLAND_DRAG_CONTEXT, GdkWaylandDragContext))
 | |
| #define GDK_WAYLAND_DRAG_CONTEXT_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WAYLAND_DRAG_CONTEXT, GdkWaylandDragContextClass))
 | |
| #define GDK_IS_WAYLAND_DRAG_CONTEXT(object)        (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_WAYLAND_DRAG_CONTEXT))
 | |
| #define GDK_IS_WAYLAND_DRAG_CONTEXT_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WAYLAND_DRAG_CONTEXT))
 | |
| #define GDK_WAYLAND_DRAG_CONTEXT_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WAYLAND_DRAG_CONTEXT, GdkWaylandDragContextClass))
 | |
| 
 | |
| typedef struct _GdkWaylandDragContext GdkWaylandDragContext;
 | |
| typedef struct _GdkWaylandDragContextClass GdkWaylandDragContextClass;
 | |
| 
 | |
| struct _GdkWaylandDragContext
 | |
| {
 | |
|   GdkDragContext context;
 | |
|   GdkWindow *dnd_window;
 | |
|   struct wl_surface *dnd_surface;
 | |
|   struct wl_data_source *data_source;
 | |
|   GdkDragAction selected_action;
 | |
|   uint32_t serial;
 | |
|   gdouble x;
 | |
|   gdouble y;
 | |
|   gint hot_x;
 | |
|   gint hot_y;
 | |
| };
 | |
| 
 | |
| struct _GdkWaylandDragContextClass
 | |
| {
 | |
|   GdkDragContextClass parent_class;
 | |
| };
 | |
| 
 | |
| static GList *contexts;
 | |
| 
 | |
| GType gdk_wayland_drag_context_get_type (void);
 | |
| 
 | |
| G_DEFINE_TYPE (GdkWaylandDragContext, gdk_wayland_drag_context, GDK_TYPE_DRAG_CONTEXT)
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_finalize (GObject *object)
 | |
| {
 | |
|   GdkWaylandDragContext *wayland_context = GDK_WAYLAND_DRAG_CONTEXT (object);
 | |
|   GdkDragContext *context = GDK_DRAG_CONTEXT (object);
 | |
|   GdkWindow *dnd_window;
 | |
| 
 | |
|   contexts = g_list_remove (contexts, context);
 | |
| 
 | |
|   if (context->is_source)
 | |
|     {
 | |
|       GdkDisplay *display = gdk_window_get_display (context->source_window);
 | |
|       GdkAtom selection;
 | |
|       GdkWindow *selection_owner;
 | |
| 
 | |
|       selection = gdk_drag_get_selection (context);
 | |
|       selection_owner = gdk_selection_owner_get_for_display (display, selection);
 | |
|       if (selection_owner == context->source_window)
 | |
|         gdk_wayland_selection_unset_data_source (display, selection);
 | |
| 
 | |
|       gdk_drag_context_set_cursor (context, NULL);
 | |
|     }
 | |
| 
 | |
|   if (wayland_context->data_source)
 | |
|     wl_data_source_destroy (wayland_context->data_source);
 | |
| 
 | |
|   dnd_window = wayland_context->dnd_window;
 | |
| 
 | |
|   G_OBJECT_CLASS (gdk_wayland_drag_context_parent_class)->finalize (object);
 | |
| 
 | |
|   if (dnd_window)
 | |
|     gdk_window_destroy (dnd_window);
 | |
| }
 | |
| 
 | |
| void
 | |
| _gdk_wayland_drag_context_emit_event (GdkDragContext *context,
 | |
|                                       GdkEventType    type,
 | |
|                                       guint32         time_)
 | |
| {
 | |
|   GdkWindow *window;
 | |
|   GdkEvent *event;
 | |
| 
 | |
|   switch (type)
 | |
|     {
 | |
|     case GDK_DRAG_ENTER:
 | |
|     case GDK_DRAG_LEAVE:
 | |
|     case GDK_DRAG_MOTION:
 | |
|     case GDK_DRAG_STATUS:
 | |
|     case GDK_DROP_START:
 | |
|     case GDK_DROP_FINISHED:
 | |
|       break;
 | |
|     default:
 | |
|       return;
 | |
|     }
 | |
| 
 | |
|   if (context->is_source)
 | |
|     window = gdk_drag_context_get_source_window (context);
 | |
|   else
 | |
|     window = gdk_drag_context_get_dest_window (context);
 | |
| 
 | |
|   event = gdk_event_new (type);
 | |
|   event->dnd.window = g_object_ref (window);
 | |
|   event->dnd.context = g_object_ref (context);
 | |
|   event->dnd.time = time_;
 | |
|   event->dnd.x_root = GDK_WAYLAND_DRAG_CONTEXT (context)->x;
 | |
|   event->dnd.y_root = GDK_WAYLAND_DRAG_CONTEXT (context)->y;
 | |
|   gdk_event_set_device (event, gdk_drag_context_get_device (context));
 | |
| 
 | |
|   gdk_event_put (event);
 | |
|   gdk_event_free (event);
 | |
| }
 | |
| 
 | |
| static GdkWindow *
 | |
| gdk_wayland_drag_context_find_window (GdkDragContext  *context,
 | |
| 				      GdkWindow       *drag_window,
 | |
| 				      GdkScreen       *screen,
 | |
| 				      gint             x_root,
 | |
| 				      gint             y_root,
 | |
| 				      GdkDragProtocol *protocol)
 | |
| {
 | |
|   GdkDevice *device;
 | |
|   GdkWindow *window;
 | |
| 
 | |
|   device = gdk_drag_context_get_device (context);
 | |
|   window = gdk_device_get_window_at_position (device, NULL, NULL);
 | |
| 
 | |
|   if (window)
 | |
|     {
 | |
|       window = gdk_window_get_toplevel (window);
 | |
|       *protocol = GDK_DRAG_PROTO_WAYLAND;
 | |
|       return g_object_ref (window);
 | |
|     }
 | |
| 
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| static inline uint32_t
 | |
| gdk_to_wl_actions (GdkDragAction action)
 | |
| {
 | |
|   uint32_t dnd_actions = 0;
 | |
| 
 | |
|   if (action & (GDK_ACTION_COPY | GDK_ACTION_LINK | GDK_ACTION_PRIVATE))
 | |
|     dnd_actions |= WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
 | |
|   if (action & GDK_ACTION_MOVE)
 | |
|     dnd_actions |= WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE;
 | |
|   if (action & GDK_ACTION_ASK)
 | |
|     dnd_actions |= WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK;
 | |
| 
 | |
|   return dnd_actions;
 | |
| }
 | |
| 
 | |
| void
 | |
| gdk_wayland_drag_context_set_action (GdkDragContext *context,
 | |
|                                      GdkDragAction   action)
 | |
| {
 | |
|   context->suggested_action = context->action = action;
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gdk_wayland_drag_context_drag_motion (GdkDragContext *context,
 | |
| 				      GdkWindow      *dest_window,
 | |
| 				      GdkDragProtocol protocol,
 | |
| 				      gint            x_root,
 | |
| 				      gint            y_root,
 | |
| 				      GdkDragAction   suggested_action,
 | |
| 				      GdkDragAction   possible_actions,
 | |
| 				      guint32         time)
 | |
| {
 | |
|   if (context->dest_window != dest_window)
 | |
|     {
 | |
|       context->dest_window = dest_window ? g_object_ref (dest_window) : NULL;
 | |
|       _gdk_wayland_drag_context_set_coords (context, x_root, y_root);
 | |
|       _gdk_wayland_drag_context_emit_event (context, GDK_DRAG_STATUS, time);
 | |
|     }
 | |
| 
 | |
|   gdk_wayland_drag_context_set_action (context, suggested_action);
 | |
| 
 | |
|   return context->dest_window != NULL;
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_drag_abort (GdkDragContext *context,
 | |
| 				     guint32         time)
 | |
| {
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_drag_drop (GdkDragContext *context,
 | |
| 				    guint32         time)
 | |
| {
 | |
| }
 | |
| 
 | |
| /* Destination side */
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drop_context_set_status (GdkDragContext *context,
 | |
|                                      gboolean        accepted)
 | |
| {
 | |
|   GdkWaylandDragContext *context_wayland;
 | |
|   GdkDisplay *display;
 | |
|   struct wl_data_offer *wl_offer;
 | |
| 
 | |
|   if (!context->dest_window)
 | |
|     return;
 | |
| 
 | |
|   context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
 | |
| 
 | |
|   display = gdk_device_get_display (gdk_drag_context_get_device (context));
 | |
|   wl_offer = gdk_wayland_selection_get_offer (display,
 | |
|                                               gdk_drag_get_selection (context));
 | |
| 
 | |
|   if (!wl_offer)
 | |
|     return;
 | |
| 
 | |
|   if (accepted)
 | |
|     {
 | |
|       GList *l;
 | |
| 
 | |
|       for (l = context->targets; l; l = l->next)
 | |
|         {
 | |
|           if (l->data != gdk_atom_intern_static_string ("DELETE"))
 | |
|             break;
 | |
|         }
 | |
| 
 | |
|       if (l)
 | |
|         {
 | |
|           gchar *mimetype = gdk_atom_name (l->data);
 | |
| 
 | |
|           wl_data_offer_accept (wl_offer, context_wayland->serial, mimetype);
 | |
|           g_free (mimetype);
 | |
|           return;
 | |
|         }
 | |
|     }
 | |
| 
 | |
|   wl_data_offer_accept (wl_offer, context_wayland->serial, NULL);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_commit_status (GdkDragContext *context)
 | |
| {
 | |
|   GdkWaylandDragContext *wayland_context;
 | |
|   GdkDisplay *display;
 | |
|   uint32_t dnd_actions;
 | |
| 
 | |
|   wayland_context = GDK_WAYLAND_DRAG_CONTEXT (context);
 | |
|   display = gdk_device_get_display (gdk_drag_context_get_device (context));
 | |
| 
 | |
|   dnd_actions = gdk_to_wl_actions (wayland_context->selected_action);
 | |
|   gdk_wayland_selection_set_current_offer_actions (display, dnd_actions);
 | |
| 
 | |
|   gdk_wayland_drop_context_set_status (context, wayland_context->selected_action != 0);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_drag_status (GdkDragContext *context,
 | |
| 				      GdkDragAction   action,
 | |
| 				      guint32         time_)
 | |
| {
 | |
|   GdkWaylandDragContext *wayland_context;
 | |
| 
 | |
|   wayland_context = GDK_WAYLAND_DRAG_CONTEXT (context);
 | |
|   wayland_context->selected_action = action;
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_drop_reply (GdkDragContext *context,
 | |
| 				     gboolean        accepted,
 | |
| 				     guint32         time_)
 | |
| {
 | |
|   if (!accepted)
 | |
|     gdk_wayland_drop_context_set_status (context, accepted);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_drop_finish (GdkDragContext *context,
 | |
| 				      gboolean        success,
 | |
| 				      guint32         time)
 | |
| {
 | |
|   GdkDisplay *display = gdk_device_get_display (gdk_drag_context_get_device (context));
 | |
|   GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
 | |
|   GdkWaylandDragContext *wayland_context;
 | |
|   struct wl_data_offer *wl_offer;
 | |
|   GdkAtom selection;
 | |
| 
 | |
|   wayland_context = GDK_WAYLAND_DRAG_CONTEXT (context);
 | |
|   selection = gdk_drag_get_selection (context);
 | |
|   wl_offer = gdk_wayland_selection_get_offer (display, selection);
 | |
| 
 | |
|   if (wl_offer && success && wayland_context->selected_action &&
 | |
|       wayland_context->selected_action != GDK_ACTION_ASK)
 | |
|     {
 | |
|       gdk_wayland_drag_context_commit_status (context);
 | |
| 
 | |
|       if (display_wayland->data_device_manager_version >=
 | |
|           WL_DATA_OFFER_FINISH_SINCE_VERSION)
 | |
|         wl_data_offer_finish (wl_offer);
 | |
|     }
 | |
| 
 | |
|   gdk_wayland_selection_set_offer (display, selection, NULL);
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gdk_wayland_drag_context_drop_status (GdkDragContext *context)
 | |
| {
 | |
|   return FALSE;
 | |
| }
 | |
| 
 | |
| static GdkAtom
 | |
| gdk_wayland_drag_context_get_selection (GdkDragContext *context)
 | |
| {
 | |
|   return gdk_atom_intern_static_string ("GdkWaylandSelection");
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_init (GdkWaylandDragContext *context_wayland)
 | |
| {
 | |
|   GdkDragContext *context;
 | |
| 
 | |
|   context = GDK_DRAG_CONTEXT (context_wayland);
 | |
|   contexts = g_list_prepend (contexts, context);
 | |
| 
 | |
|   context->action = GDK_ACTION_COPY;
 | |
|   context->suggested_action = GDK_ACTION_COPY;
 | |
|   context->actions = GDK_ACTION_COPY | GDK_ACTION_MOVE;
 | |
| }
 | |
| 
 | |
| static GdkWindow *
 | |
| gdk_wayland_drag_context_get_drag_window (GdkDragContext *context)
 | |
| {
 | |
|   return GDK_WAYLAND_DRAG_CONTEXT (context)->dnd_window;
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_set_hotspot (GdkDragContext *context,
 | |
|                                       gint            hot_x,
 | |
|                                       gint            hot_y)
 | |
| {
 | |
|   GdkWaylandDragContext *context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
 | |
|   gint prev_hot_x = context_wayland->hot_x;
 | |
|   gint prev_hot_y = context_wayland->hot_y;
 | |
|   const GdkRectangle damage_rect = { .width = 1, .height = 1 };
 | |
| 
 | |
|   context_wayland->hot_x = hot_x;
 | |
|   context_wayland->hot_y = hot_y;
 | |
| 
 | |
|   if (prev_hot_x == hot_x && prev_hot_y == hot_y)
 | |
|     return;
 | |
| 
 | |
|   _gdk_wayland_window_offset_next_wl_buffer (context_wayland->dnd_window,
 | |
|                                              prev_hot_x - hot_x, prev_hot_y - hot_y);
 | |
|   gdk_window_invalidate_rect (context_wayland->dnd_window, &damage_rect, FALSE);
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gdk_wayland_drag_context_manage_dnd (GdkDragContext *context,
 | |
|                                      GdkWindow      *ipc_window,
 | |
|                                      GdkDragAction   actions)
 | |
| {
 | |
|   GdkWaylandDragContext *context_wayland;
 | |
|   GdkWaylandDisplay *display_wayland;
 | |
|   GdkDevice *device;
 | |
|   GdkWindow *toplevel;
 | |
| 
 | |
|   device = gdk_drag_context_get_device (context);
 | |
|   display_wayland = GDK_WAYLAND_DISPLAY (gdk_device_get_display (device));
 | |
|   toplevel = _gdk_device_window_at_position (device, NULL, NULL, NULL, TRUE);
 | |
| 
 | |
|   context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
 | |
| 
 | |
|   if (display_wayland->data_device_manager_version >=
 | |
|       WL_DATA_SOURCE_SET_ACTIONS_SINCE_VERSION)
 | |
|     {
 | |
|       wl_data_source_set_actions (context_wayland->data_source,
 | |
|                                   gdk_to_wl_actions (actions));
 | |
|     }
 | |
| 
 | |
|   wl_data_device_start_drag (gdk_wayland_device_get_data_device (device),
 | |
|                              context_wayland->data_source,
 | |
|                              gdk_wayland_window_get_wl_surface (toplevel),
 | |
| 			     context_wayland->dnd_surface,
 | |
|                              _gdk_wayland_display_get_serial (display_wayland));
 | |
| 
 | |
|   gdk_seat_ungrab (gdk_device_get_seat (device));
 | |
| 
 | |
|   return TRUE;
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_set_cursor (GdkDragContext *context,
 | |
|                                      GdkCursor      *cursor)
 | |
| {
 | |
|   GdkDevice *device = gdk_drag_context_get_device (context);
 | |
| 
 | |
|   gdk_wayland_seat_set_global_cursor (gdk_device_get_seat (device), cursor);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_action_changed (GdkDragContext *context,
 | |
|                                          GdkDragAction   action)
 | |
| {
 | |
|   GdkCursor *cursor;
 | |
| 
 | |
|   cursor = gdk_drag_get_cursor (context, action);
 | |
|   gdk_drag_context_set_cursor (context, cursor);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_drop_performed (GdkDragContext *context,
 | |
|                                          guint32         time_)
 | |
| {
 | |
|   gdk_drag_context_set_cursor (context, NULL);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_cancel (GdkDragContext      *context,
 | |
|                                  GdkDragCancelReason  reason)
 | |
| {
 | |
|   gdk_drag_context_set_cursor (context, NULL);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_drop_done (GdkDragContext *context,
 | |
|                                     gboolean        success)
 | |
| {
 | |
|   GdkWaylandDragContext *context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
 | |
| 
 | |
|   if (success)
 | |
|     {
 | |
|       if (context_wayland->dnd_window)
 | |
|         gdk_window_hide (context_wayland->dnd_window);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| gdk_wayland_drag_context_class_init (GdkWaylandDragContextClass *klass)
 | |
| {
 | |
|   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 | |
|   GdkDragContextClass *context_class = GDK_DRAG_CONTEXT_CLASS (klass);
 | |
| 
 | |
|   object_class->finalize = gdk_wayland_drag_context_finalize;
 | |
| 
 | |
|   context_class->find_window = gdk_wayland_drag_context_find_window;
 | |
|   context_class->drag_status = gdk_wayland_drag_context_drag_status;
 | |
|   context_class->drag_motion = gdk_wayland_drag_context_drag_motion;
 | |
|   context_class->drag_abort = gdk_wayland_drag_context_drag_abort;
 | |
|   context_class->drag_drop = gdk_wayland_drag_context_drag_drop;
 | |
|   context_class->drop_reply = gdk_wayland_drag_context_drop_reply;
 | |
|   context_class->drop_finish = gdk_wayland_drag_context_drop_finish;
 | |
|   context_class->drop_status = gdk_wayland_drag_context_drop_status;
 | |
|   context_class->get_selection = gdk_wayland_drag_context_get_selection;
 | |
|   context_class->get_drag_window = gdk_wayland_drag_context_get_drag_window;
 | |
|   context_class->set_hotspot = gdk_wayland_drag_context_set_hotspot;
 | |
|   context_class->drop_done = gdk_wayland_drag_context_drop_done;
 | |
|   context_class->manage_dnd = gdk_wayland_drag_context_manage_dnd;
 | |
|   context_class->set_cursor = gdk_wayland_drag_context_set_cursor;
 | |
|   context_class->action_changed = gdk_wayland_drag_context_action_changed;
 | |
|   context_class->drop_performed = gdk_wayland_drag_context_drop_performed;
 | |
|   context_class->cancel = gdk_wayland_drag_context_cancel;
 | |
|   context_class->commit_drag_status = gdk_wayland_drag_context_commit_status;
 | |
| }
 | |
| 
 | |
| GdkDragProtocol
 | |
| _gdk_wayland_window_get_drag_protocol (GdkWindow *window, GdkWindow **target)
 | |
| {
 | |
|   return GDK_DRAG_PROTO_WAYLAND;
 | |
| }
 | |
| 
 | |
| void
 | |
| _gdk_wayland_window_register_dnd (GdkWindow *window)
 | |
| {
 | |
| }
 | |
| 
 | |
| static GdkWindow *
 | |
| create_dnd_window (GdkScreen *screen)
 | |
| {
 | |
|   GdkWindowAttr attrs;
 | |
|   guint mask;
 | |
| 
 | |
|   attrs.x = attrs.y = 0;
 | |
|   attrs.width = attrs.height = 100;
 | |
|   attrs.wclass = GDK_INPUT_OUTPUT;
 | |
|   attrs.window_type = GDK_WINDOW_TEMP;
 | |
|   attrs.type_hint = GDK_WINDOW_TYPE_HINT_DND;
 | |
|   attrs.visual = gdk_screen_get_system_visual (screen);
 | |
| 
 | |
|   mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_TYPE_HINT;
 | |
| 
 | |
|   return gdk_window_new (gdk_screen_get_root_window (screen), &attrs, mask);
 | |
| }
 | |
| 
 | |
| GdkDragContext *
 | |
| _gdk_wayland_window_drag_begin (GdkWindow *window,
 | |
| 				GdkDevice *device,
 | |
| 				GList     *targets,
 | |
|                                 gint       x_root,
 | |
|                                 gint       y_root)
 | |
| {
 | |
|   GdkWaylandDragContext *context_wayland;
 | |
|   GdkDragContext *context;
 | |
|   GList *l;
 | |
| 
 | |
|   context_wayland = g_object_new (GDK_TYPE_WAYLAND_DRAG_CONTEXT, NULL);
 | |
|   context = GDK_DRAG_CONTEXT (context_wayland);
 | |
|   context->display = gdk_window_get_display (window);
 | |
|   context->source_window = g_object_ref (window);
 | |
|   context->is_source = TRUE;
 | |
|   context->targets = g_list_copy (targets);
 | |
| 
 | |
|   gdk_drag_context_set_device (context, device);
 | |
| 
 | |
|   context_wayland->dnd_window = create_dnd_window (gdk_window_get_screen (window));
 | |
|   context_wayland->dnd_surface = gdk_wayland_window_get_wl_surface (context_wayland->dnd_window);
 | |
|   context_wayland->data_source =
 | |
|     gdk_wayland_selection_get_data_source (window,
 | |
|                                            gdk_wayland_drag_context_get_selection (context));
 | |
| 
 | |
|   for (l = context->targets; l; l = l->next)
 | |
|     {
 | |
|       gchar *mimetype = gdk_atom_name (l->data);
 | |
| 
 | |
|       wl_data_source_offer (context_wayland->data_source, mimetype);
 | |
|       g_free (mimetype);
 | |
|     }
 | |
| 
 | |
|   /* If there's no targets this is local DnD, ensure we create a target for it */
 | |
|   if (!context->targets)
 | |
|     {
 | |
|       gchar *local_dnd_mime;
 | |
|       local_dnd_mime = g_strdup_printf ("application/gtk+-local-dnd-%x", getpid());
 | |
|       wl_data_source_offer (context_wayland->data_source, local_dnd_mime);
 | |
|       g_free (local_dnd_mime);
 | |
|     }
 | |
| 
 | |
|   return context;
 | |
| }
 | |
| 
 | |
| GdkDragContext *
 | |
| _gdk_wayland_drop_context_new (GdkDisplay            *display,
 | |
|                                struct wl_data_device *data_device)
 | |
| {
 | |
|   GdkWaylandDragContext *context_wayland;
 | |
|   GdkDragContext *context;
 | |
| 
 | |
|   context_wayland = g_object_new (GDK_TYPE_WAYLAND_DRAG_CONTEXT, NULL);
 | |
|   context = GDK_DRAG_CONTEXT (context_wayland);
 | |
|   context->display = display;
 | |
|   context->is_source = FALSE;
 | |
| 
 | |
|   return context;
 | |
| }
 | |
| 
 | |
| void
 | |
| gdk_wayland_drop_context_update_targets (GdkDragContext *context)
 | |
| {
 | |
|   GdkDisplay *display;
 | |
|   GdkDevice *device;
 | |
| 
 | |
|   device = gdk_drag_context_get_device (context);
 | |
|   display = gdk_device_get_display (device);
 | |
|   g_list_free (context->targets);
 | |
|   context->targets = g_list_copy (gdk_wayland_selection_get_targets (display,
 | |
|                                                                      gdk_drag_get_selection (context)));
 | |
| }
 | |
| 
 | |
| void
 | |
| _gdk_wayland_drag_context_set_coords (GdkDragContext *context,
 | |
|                                       gdouble         x,
 | |
|                                       gdouble         y)
 | |
| {
 | |
|   GdkWaylandDragContext *context_wayland;
 | |
| 
 | |
|   context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
 | |
|   context_wayland->x = x;
 | |
|   context_wayland->y = y;
 | |
| }
 | |
| 
 | |
| void
 | |
| _gdk_wayland_drag_context_set_source_window (GdkDragContext *context,
 | |
|                                              GdkWindow      *window)
 | |
| {
 | |
|   if (context->source_window)
 | |
|     g_object_unref (context->source_window);
 | |
| 
 | |
|   context->source_window = window ? g_object_ref (window) : NULL;
 | |
| }
 | |
| 
 | |
| void
 | |
| _gdk_wayland_drag_context_set_dest_window (GdkDragContext *context,
 | |
|                                            GdkWindow      *dest_window,
 | |
|                                            uint32_t        serial)
 | |
| {
 | |
|   if (context->dest_window)
 | |
|     g_object_unref (context->dest_window);
 | |
| 
 | |
|   context->dest_window = dest_window ? g_object_ref (dest_window) : NULL;
 | |
|   GDK_WAYLAND_DRAG_CONTEXT (context)->serial = serial;
 | |
|   gdk_wayland_drop_context_update_targets (context);
 | |
| }
 | |
| 
 | |
| GdkDragContext *
 | |
| gdk_wayland_drag_context_lookup_by_data_source (struct wl_data_source *source)
 | |
| {
 | |
|   GList *l;
 | |
| 
 | |
|   for (l = contexts; l; l = l->next)
 | |
|     {
 | |
|       GdkWaylandDragContext *wayland_context = l->data;
 | |
| 
 | |
|       if (wayland_context->data_source == source)
 | |
|         return l->data;
 | |
|     }
 | |
| 
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| GdkDragContext *
 | |
| gdk_wayland_drag_context_lookup_by_source_window (GdkWindow *window)
 | |
| {
 | |
|   GList *l;
 | |
| 
 | |
|   for (l = contexts; l; l = l->next)
 | |
|     {
 | |
|       if (window == gdk_drag_context_get_source_window (l->data))
 | |
|         return l->data;
 | |
|     }
 | |
| 
 | |
|   return NULL;
 | |
| }
 | |
| 
 | |
| struct wl_data_source *
 | |
| gdk_wayland_drag_context_get_data_source (GdkDragContext *context)
 | |
| {
 | |
|   return GDK_WAYLAND_DRAG_CONTEXT (context)->data_source;
 | |
| }
 |