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4b5f5abb4f
Expose it partly (in internal headers anyway), and pass a vtable for the data source functions, the wayland vfuncs just delegate operations on the wl_data_source resource. The resource has been also made optional, although it'll be present on all data sources from wayland clients. The ownership/lifetime of the DnD data source has also changed a bit, belonging now to the MetaWaylandDataDevice like the selection one does, as we can't guarantee how long it will be needed after the grab is finished, it will be left inert and replaced the next time DnD is started at worst. This allows the creation of custom/proxy data sources, which will turn out useful for X11 selection interoperation. https://bugzilla.gnome.org/show_bug.cgi?id=738312
97 lines
4.2 KiB
C
97 lines
4.2 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 "meta-wayland-types.h"
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typedef struct _MetaWaylandDragGrab MetaWaylandDragGrab;
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typedef struct _MetaWaylandDataSourceFuncs MetaWaylandDataSourceFuncs;
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struct _MetaWaylandDataDevice
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{
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uint32_t selection_serial;
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MetaWaylandDataSource *selection_data_source;
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MetaWaylandDataSource *dnd_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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MetaWaylandDragGrab *current_grab;
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struct wl_signal selection_ownership_signal;
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struct wl_signal dnd_ownership_signal;
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};
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struct _MetaWaylandDataSourceFuncs
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{
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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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};
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struct _MetaWaylandDataSource
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{
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MetaWaylandDataSourceFuncs funcs;
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struct wl_resource *resource;
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struct wl_array mime_types;
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gpointer user_data;
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gboolean has_target;
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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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void meta_wayland_data_device_update_dnd_surface (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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MetaWaylandDataSource *
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meta_wayland_data_source_new (const MetaWaylandDataSourceFuncs *funcs,
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struct wl_resource *resource,
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gpointer user_data);
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void meta_wayland_data_source_free (MetaWaylandDataSource *source);
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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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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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#endif /* META_WAYLAND_DATA_DEVICE_H */
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