forked from AuroraMiddleware/gtk
1a70ca75e8
Make sure the API reflects the idea that GdkContentFormats is a set containing mime types. In particular, treat the object itself as a plural - it's named content format`S' after all - and therefor use the correct verb form. Also make GdkContentFormats keep an array instead of a list, now that it's immutable.
648 lines
20 KiB
C
648 lines
20 KiB
C
/*
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* Copyright © 2010 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdkdndprivate.h"
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#include "gdkinternals.h"
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#include "gdkproperty.h"
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#include "gdkprivate-wayland.h"
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#include "gdkcontentformats.h"
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#include "gdkdisplay-wayland.h"
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#include "gdkseat-wayland.h"
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#include "gdkdeviceprivate.h"
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#include <string.h>
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#define GDK_TYPE_WAYLAND_DRAG_CONTEXT (gdk_wayland_drag_context_get_type ())
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#define GDK_WAYLAND_DRAG_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WAYLAND_DRAG_CONTEXT, GdkWaylandDragContext))
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#define GDK_WAYLAND_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WAYLAND_DRAG_CONTEXT, GdkWaylandDragContextClass))
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#define GDK_IS_WAYLAND_DRAG_CONTEXT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_WAYLAND_DRAG_CONTEXT))
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#define GDK_IS_WAYLAND_DRAG_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WAYLAND_DRAG_CONTEXT))
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#define GDK_WAYLAND_DRAG_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WAYLAND_DRAG_CONTEXT, GdkWaylandDragContextClass))
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typedef struct _GdkWaylandDragContext GdkWaylandDragContext;
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typedef struct _GdkWaylandDragContextClass GdkWaylandDragContextClass;
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struct _GdkWaylandDragContext
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{
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GdkDragContext context;
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GdkWindow *dnd_window;
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struct wl_surface *dnd_surface;
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struct wl_data_source *data_source;
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GdkDragAction selected_action;
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uint32_t serial;
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gdouble x;
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gdouble y;
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gint hot_x;
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gint hot_y;
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};
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struct _GdkWaylandDragContextClass
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{
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GdkDragContextClass parent_class;
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};
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static GList *contexts;
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GType gdk_wayland_drag_context_get_type (void);
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G_DEFINE_TYPE (GdkWaylandDragContext, gdk_wayland_drag_context, GDK_TYPE_DRAG_CONTEXT)
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static void
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gdk_wayland_drag_context_finalize (GObject *object)
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{
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GdkWaylandDragContext *wayland_context = GDK_WAYLAND_DRAG_CONTEXT (object);
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GdkDragContext *context = GDK_DRAG_CONTEXT (object);
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GdkWindow *dnd_window;
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contexts = g_list_remove (contexts, context);
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if (context->is_source)
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{
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GdkDisplay *display = gdk_window_get_display (context->source_window);
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GdkAtom selection;
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GdkWindow *selection_owner;
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selection = gdk_drag_get_selection (context);
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selection_owner = gdk_selection_owner_get_for_display (display, selection);
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if (selection_owner == context->source_window)
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gdk_wayland_selection_unset_data_source (display, selection);
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gdk_drag_context_set_cursor (context, NULL);
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}
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if (wayland_context->data_source)
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wl_data_source_destroy (wayland_context->data_source);
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dnd_window = wayland_context->dnd_window;
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G_OBJECT_CLASS (gdk_wayland_drag_context_parent_class)->finalize (object);
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if (dnd_window)
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gdk_window_destroy (dnd_window);
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}
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void
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_gdk_wayland_drag_context_emit_event (GdkDragContext *context,
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GdkEventType type,
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guint32 time_)
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{
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GdkWindow *window;
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GdkEvent *event;
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switch ((guint) type)
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{
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case GDK_DRAG_ENTER:
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case GDK_DRAG_LEAVE:
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case GDK_DRAG_MOTION:
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case GDK_DRAG_STATUS:
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case GDK_DROP_START:
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case GDK_DROP_FINISHED:
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break;
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default:
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return;
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}
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if (context->is_source)
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window = gdk_drag_context_get_source_window (context);
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else
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window = gdk_drag_context_get_dest_window (context);
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event = gdk_event_new (type);
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event->dnd.window = g_object_ref (window);
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event->dnd.context = g_object_ref (context);
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event->dnd.time = time_;
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event->dnd.x_root = GDK_WAYLAND_DRAG_CONTEXT (context)->x;
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event->dnd.y_root = GDK_WAYLAND_DRAG_CONTEXT (context)->y;
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gdk_event_set_device (event, gdk_drag_context_get_device (context));
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gdk_event_put (event);
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gdk_event_free (event);
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}
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static GdkWindow *
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gdk_wayland_drag_context_find_window (GdkDragContext *context,
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GdkWindow *drag_window,
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gint x_root,
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gint y_root,
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GdkDragProtocol *protocol)
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{
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GdkDevice *device;
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GdkWindow *window;
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device = gdk_drag_context_get_device (context);
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window = gdk_device_get_window_at_position (device, NULL, NULL);
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if (window)
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{
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window = gdk_window_get_toplevel (window);
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*protocol = GDK_DRAG_PROTO_WAYLAND;
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return g_object_ref (window);
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}
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return NULL;
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}
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static inline uint32_t
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gdk_to_wl_actions (GdkDragAction action)
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{
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uint32_t dnd_actions = 0;
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if (action & (GDK_ACTION_COPY | GDK_ACTION_LINK | GDK_ACTION_PRIVATE))
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dnd_actions |= WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
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if (action & GDK_ACTION_MOVE)
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dnd_actions |= WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE;
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if (action & GDK_ACTION_ASK)
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dnd_actions |= WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK;
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return dnd_actions;
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}
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void
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gdk_wayland_drag_context_set_action (GdkDragContext *context,
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GdkDragAction action)
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{
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context->suggested_action = context->action = action;
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}
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static gboolean
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gdk_wayland_drag_context_drag_motion (GdkDragContext *context,
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GdkWindow *dest_window,
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GdkDragProtocol protocol,
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gint x_root,
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gint y_root,
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GdkDragAction suggested_action,
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GdkDragAction possible_actions,
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guint32 time)
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{
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if (context->dest_window != dest_window)
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{
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context->dest_window = dest_window ? g_object_ref (dest_window) : NULL;
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_gdk_wayland_drag_context_set_coords (context, x_root, y_root);
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_gdk_wayland_drag_context_emit_event (context, GDK_DRAG_STATUS, time);
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}
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gdk_wayland_drag_context_set_action (context, suggested_action);
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return context->dest_window != NULL;
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}
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static void
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gdk_wayland_drag_context_drag_abort (GdkDragContext *context,
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guint32 time)
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{
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}
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static void
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gdk_wayland_drag_context_drag_drop (GdkDragContext *context,
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guint32 time)
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{
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}
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/* Destination side */
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static void
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gdk_wayland_drop_context_set_status (GdkDragContext *context,
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gboolean accepted)
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{
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GdkWaylandDragContext *context_wayland;
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GdkDisplay *display;
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struct wl_data_offer *wl_offer;
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if (!context->dest_window)
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return;
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context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
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display = gdk_device_get_display (gdk_drag_context_get_device (context));
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wl_offer = gdk_wayland_selection_get_offer (display,
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gdk_drag_get_selection (context));
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if (!wl_offer)
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return;
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if (accepted)
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{
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const char *const *mimetypes;
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gsize i, n_mimetypes;
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mimetypes = gdk_content_formats_get_mime_types (context->formats, &n_mimetypes);
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for (i = 0; i < n_mimetypes; i++)
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{
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if (mimetypes[i] != gdk_atom_intern_static_string ("DELETE"))
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break;
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}
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if (i < n_mimetypes)
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{
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wl_data_offer_accept (wl_offer, context_wayland->serial, mimetypes[i]);
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return;
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}
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}
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wl_data_offer_accept (wl_offer, context_wayland->serial, NULL);
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}
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static void
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gdk_wayland_drag_context_commit_status (GdkDragContext *context)
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{
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GdkWaylandDragContext *wayland_context;
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GdkDisplay *display;
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uint32_t dnd_actions;
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wayland_context = GDK_WAYLAND_DRAG_CONTEXT (context);
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display = gdk_device_get_display (gdk_drag_context_get_device (context));
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dnd_actions = gdk_to_wl_actions (wayland_context->selected_action);
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gdk_wayland_selection_set_current_offer_actions (display, dnd_actions);
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gdk_wayland_drop_context_set_status (context, wayland_context->selected_action != 0);
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}
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static void
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gdk_wayland_drag_context_drag_status (GdkDragContext *context,
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GdkDragAction action,
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guint32 time_)
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{
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GdkWaylandDragContext *wayland_context;
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wayland_context = GDK_WAYLAND_DRAG_CONTEXT (context);
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wayland_context->selected_action = action;
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}
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static void
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gdk_wayland_drag_context_drop_reply (GdkDragContext *context,
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gboolean accepted,
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guint32 time_)
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{
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if (!accepted)
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gdk_wayland_drop_context_set_status (context, accepted);
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}
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static void
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gdk_wayland_drag_context_drop_finish (GdkDragContext *context,
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gboolean success,
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guint32 time)
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{
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GdkDisplay *display = gdk_device_get_display (gdk_drag_context_get_device (context));
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GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
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GdkWaylandDragContext *wayland_context;
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struct wl_data_offer *wl_offer;
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GdkAtom selection;
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wayland_context = GDK_WAYLAND_DRAG_CONTEXT (context);
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selection = gdk_drag_get_selection (context);
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wl_offer = gdk_wayland_selection_get_offer (display, selection);
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if (wl_offer && success && wayland_context->selected_action &&
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wayland_context->selected_action != GDK_ACTION_ASK)
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{
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gdk_wayland_drag_context_commit_status (context);
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if (display_wayland->data_device_manager_version >=
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WL_DATA_OFFER_FINISH_SINCE_VERSION)
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wl_data_offer_finish (wl_offer);
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}
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gdk_wayland_selection_set_offer (display, selection, NULL);
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}
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static gboolean
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gdk_wayland_drag_context_drop_status (GdkDragContext *context)
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{
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return FALSE;
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}
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static GdkAtom
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gdk_wayland_drag_context_get_selection (GdkDragContext *context)
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{
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return gdk_atom_intern_static_string ("GdkWaylandSelection");
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}
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static void
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gdk_wayland_drag_context_init (GdkWaylandDragContext *context_wayland)
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{
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GdkDragContext *context;
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context = GDK_DRAG_CONTEXT (context_wayland);
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contexts = g_list_prepend (contexts, context);
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context->action = GDK_ACTION_COPY;
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context->suggested_action = GDK_ACTION_COPY;
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context->actions = GDK_ACTION_COPY | GDK_ACTION_MOVE;
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}
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static GdkWindow *
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gdk_wayland_drag_context_get_drag_window (GdkDragContext *context)
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{
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return GDK_WAYLAND_DRAG_CONTEXT (context)->dnd_window;
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}
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static void
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gdk_wayland_drag_context_set_hotspot (GdkDragContext *context,
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gint hot_x,
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gint hot_y)
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{
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GdkWaylandDragContext *context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
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gint prev_hot_x = context_wayland->hot_x;
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gint prev_hot_y = context_wayland->hot_y;
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const GdkRectangle damage_rect = { .width = 1, .height = 1 };
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context_wayland->hot_x = hot_x;
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context_wayland->hot_y = hot_y;
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if (prev_hot_x == hot_x && prev_hot_y == hot_y)
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return;
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_gdk_wayland_window_offset_next_wl_buffer (context_wayland->dnd_window,
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-hot_x, -hot_y);
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gdk_window_invalidate_rect (context_wayland->dnd_window, &damage_rect, FALSE);
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}
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static gboolean
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gdk_wayland_drag_context_manage_dnd (GdkDragContext *context,
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GdkWindow *ipc_window,
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GdkDragAction actions)
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{
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GdkWaylandDragContext *context_wayland;
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GdkWaylandDisplay *display_wayland;
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GdkDevice *device;
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GdkWindow *toplevel;
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device = gdk_drag_context_get_device (context);
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display_wayland = GDK_WAYLAND_DISPLAY (gdk_device_get_display (device));
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toplevel = _gdk_device_window_at_position (device, NULL, NULL, NULL, TRUE);
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context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
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if (display_wayland->data_device_manager_version >=
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WL_DATA_SOURCE_SET_ACTIONS_SINCE_VERSION)
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{
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wl_data_source_set_actions (context_wayland->data_source,
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gdk_to_wl_actions (actions));
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}
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wl_data_device_start_drag (gdk_wayland_device_get_data_device (device),
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context_wayland->data_source,
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gdk_wayland_window_get_wl_surface (toplevel),
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context_wayland->dnd_surface,
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_gdk_wayland_display_get_serial (display_wayland));
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gdk_seat_ungrab (gdk_device_get_seat (device));
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return TRUE;
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}
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static void
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gdk_wayland_drag_context_set_cursor (GdkDragContext *context,
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GdkCursor *cursor)
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{
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GdkDevice *device = gdk_drag_context_get_device (context);
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gdk_wayland_seat_set_global_cursor (gdk_device_get_seat (device), cursor);
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}
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static void
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gdk_wayland_drag_context_action_changed (GdkDragContext *context,
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GdkDragAction action)
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{
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GdkCursor *cursor;
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cursor = gdk_drag_get_cursor (context, action);
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gdk_drag_context_set_cursor (context, cursor);
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}
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static void
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gdk_wayland_drag_context_drop_performed (GdkDragContext *context,
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guint32 time_)
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{
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gdk_drag_context_set_cursor (context, NULL);
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}
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static void
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gdk_wayland_drag_context_cancel (GdkDragContext *context,
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GdkDragCancelReason reason)
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{
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gdk_drag_context_set_cursor (context, NULL);
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}
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static void
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gdk_wayland_drag_context_drop_done (GdkDragContext *context,
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gboolean success)
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{
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GdkWaylandDragContext *context_wayland = GDK_WAYLAND_DRAG_CONTEXT (context);
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if (success)
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{
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if (context_wayland->dnd_window)
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gdk_window_hide (context_wayland->dnd_window);
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}
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}
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static void
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gdk_wayland_drag_context_class_init (GdkWaylandDragContextClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GdkDragContextClass *context_class = GDK_DRAG_CONTEXT_CLASS (klass);
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object_class->finalize = gdk_wayland_drag_context_finalize;
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context_class->find_window = gdk_wayland_drag_context_find_window;
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context_class->drag_status = gdk_wayland_drag_context_drag_status;
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context_class->drag_motion = gdk_wayland_drag_context_drag_motion;
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context_class->drag_abort = gdk_wayland_drag_context_drag_abort;
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context_class->drag_drop = gdk_wayland_drag_context_drag_drop;
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context_class->drop_reply = gdk_wayland_drag_context_drop_reply;
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context_class->drop_finish = gdk_wayland_drag_context_drop_finish;
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context_class->drop_status = gdk_wayland_drag_context_drop_status;
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context_class->get_selection = gdk_wayland_drag_context_get_selection;
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context_class->get_drag_window = gdk_wayland_drag_context_get_drag_window;
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context_class->set_hotspot = gdk_wayland_drag_context_set_hotspot;
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context_class->drop_done = gdk_wayland_drag_context_drop_done;
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context_class->manage_dnd = gdk_wayland_drag_context_manage_dnd;
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context_class->set_cursor = gdk_wayland_drag_context_set_cursor;
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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 (GdkDisplay *display)
|
|
{
|
|
GdkWindow *window;
|
|
|
|
window = gdk_window_new_popup (display, &(GdkRectangle) { 0, 0, 100, 100 });
|
|
|
|
gdk_window_set_type_hint (window, GDK_WINDOW_TYPE_HINT_DND);
|
|
|
|
return window;
|
|
}
|
|
|
|
GdkDragContext *
|
|
_gdk_wayland_window_drag_begin (GdkWindow *window,
|
|
GdkDevice *device,
|
|
GdkContentFormats *formats,
|
|
gint x_root,
|
|
gint y_root)
|
|
{
|
|
GdkWaylandDragContext *context_wayland;
|
|
GdkDragContext *context;
|
|
const char *const *mimetypes;
|
|
gsize i, n_mimetypes;
|
|
|
|
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->formats = gdk_content_formats_ref (formats);
|
|
|
|
gdk_drag_context_set_device (context, device);
|
|
|
|
context_wayland->dnd_window = create_dnd_window (gdk_window_get_display (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));
|
|
|
|
mimetypes = gdk_content_formats_get_mime_types (context->formats, &n_mimetypes);
|
|
for (i = 0; i < n_mimetypes; i++)
|
|
{
|
|
wl_data_source_offer (context_wayland->data_source, mimetypes[i]);
|
|
}
|
|
|
|
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);
|
|
gdk_content_formats_unref (context->formats);
|
|
context->formats = gdk_wayland_selection_get_targets (display,
|
|
gdk_drag_get_selection (context));
|
|
if (context->formats)
|
|
gdk_content_formats_ref (context->formats);
|
|
else
|
|
context->formats = gdk_content_formats_new (NULL, 0);
|
|
}
|
|
|
|
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;
|
|
}
|