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No XDnD events which notify DnD status change comes in Wayland. To emulate XDnD behavior, MetaDnd checks whether there is a grab or not when the modal window starts showing. When there is a grab, it processes the raw events from compositor, and emits DnD signals for plugin. https://bugzilla.gnome.org/show_bug.cgi?id=765003
144 lines
6.9 KiB
C
144 lines
6.9 KiB
C
/*
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* Copyright © 2008 Kristian Høgsberg
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef META_WAYLAND_DATA_DEVICE_H
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#define META_WAYLAND_DATA_DEVICE_H
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#include <wayland-server.h>
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#include <glib-object.h>
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#include "meta-wayland-types.h"
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#include "clutter/clutter.h"
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typedef struct _MetaWaylandDragGrab MetaWaylandDragGrab;
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typedef struct _MetaWaylandDataSourceFuncs MetaWaylandDataSourceFuncs;
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#define META_TYPE_WAYLAND_DATA_SOURCE (meta_wayland_data_source_get_type ())
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G_DECLARE_DERIVABLE_TYPE (MetaWaylandDataSource, meta_wayland_data_source,
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META, WAYLAND_DATA_SOURCE, GObject);
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struct _MetaWaylandDataSourceClass
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{
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GObjectClass parent_class;
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void (* send) (MetaWaylandDataSource *source,
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const gchar *mime_type,
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gint fd);
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void (* target) (MetaWaylandDataSource *source,
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const gchar *mime_type);
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void (* cancel) (MetaWaylandDataSource *source);
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void (* action) (MetaWaylandDataSource *source,
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uint32_t action);
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void (* drop_performed) (MetaWaylandDataSource *source);
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void (* drag_finished) (MetaWaylandDataSource *source);
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};
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struct _MetaWaylandDataDevice
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{
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uint32_t selection_serial;
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uint32_t primary_serial;
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MetaWaylandDataSource *selection_data_source;
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MetaWaylandDataSource *dnd_data_source;
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MetaWaylandDataSource *primary_data_source;
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struct wl_listener selection_data_source_listener;
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struct wl_list resource_list;
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struct wl_list primary_resource_list;
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MetaWaylandDragGrab *current_grab;
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struct wl_client *focus_client;
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struct wl_signal selection_ownership_signal;
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struct wl_signal dnd_ownership_signal;
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struct wl_signal primary_ownership_signal;
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};
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void meta_wayland_data_device_manager_init (MetaWaylandCompositor *compositor);
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void meta_wayland_data_device_init (MetaWaylandDataDevice *data_device);
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void meta_wayland_data_device_set_keyboard_focus (MetaWaylandDataDevice *data_device);
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gboolean meta_wayland_data_device_is_dnd_surface (MetaWaylandDataDevice *data_device,
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MetaWaylandSurface *surface);
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MetaWaylandDragGrab *
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meta_wayland_data_device_get_current_grab (MetaWaylandDataDevice *data_device);
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void meta_wayland_data_device_set_dnd_source (MetaWaylandDataDevice *data_device,
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MetaWaylandDataSource *source);
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void meta_wayland_data_device_set_selection (MetaWaylandDataDevice *data_device,
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MetaWaylandDataSource *source,
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guint32 serial);
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void meta_wayland_data_device_set_primary (MetaWaylandDataDevice *data_device,
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MetaWaylandDataSource *source,
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guint32 serial);
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gboolean meta_wayland_data_source_add_mime_type (MetaWaylandDataSource *source,
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const gchar *mime_type);
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gboolean meta_wayland_data_source_has_mime_type (const MetaWaylandDataSource *source,
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const gchar *mime_type);
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struct wl_array *
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meta_wayland_data_source_get_mime_types (const MetaWaylandDataSource *source);
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gboolean meta_wayland_data_source_has_target (MetaWaylandDataSource *source);
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void meta_wayland_data_source_set_has_target (MetaWaylandDataSource *source,
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gboolean has_target);
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void meta_wayland_data_source_send (MetaWaylandDataSource *source,
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const gchar *mime_type,
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gint fd);
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void meta_wayland_data_source_notify_finish (MetaWaylandDataSource *source);
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uint32_t meta_wayland_data_source_get_actions (MetaWaylandDataSource *source);
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uint32_t meta_wayland_data_source_get_user_action (MetaWaylandDataSource *source);
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uint32_t meta_wayland_data_source_get_current_action (MetaWaylandDataSource *source);
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void meta_wayland_data_source_set_actions (MetaWaylandDataSource *source,
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uint32_t dnd_actions);
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void meta_wayland_data_source_set_current_action (MetaWaylandDataSource *source,
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uint32_t action);
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const MetaWaylandDragDestFuncs *
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meta_wayland_data_device_get_drag_dest_funcs (void);
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void meta_wayland_data_device_start_drag (MetaWaylandDataDevice *data_device,
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struct wl_client *client,
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const MetaWaylandPointerGrabInterface *funcs,
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MetaWaylandSurface *surface,
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MetaWaylandDataSource *source,
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MetaWaylandSurface *icon_surface);
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void meta_wayland_data_device_end_drag (MetaWaylandDataDevice *data_device);
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void meta_wayland_drag_grab_set_focus (MetaWaylandDragGrab *drag_grab,
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MetaWaylandSurface *surface);
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MetaWaylandSurface *
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meta_wayland_drag_grab_get_focus (MetaWaylandDragGrab *drag_grab);
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void meta_wayland_drag_grab_update_feedback_actor (MetaWaylandDragGrab *drag_grab,
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ClutterEvent *event);
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#endif /* META_WAYLAND_DATA_DEVICE_H */
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