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19cdba8abe
This safe area is the region (in stage coordinates) where the pointer is ensured to stay within the current actor. This is not used yet, but will be used for optimizations in pointer picking. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1915>
72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/*
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* Copyright (C) 2020 Endless OS Foundation, LLC
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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 Lesser 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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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#ifndef CLUTTER_PICK_STACK_PRIVATE_H
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#define CLUTTER_PICK_STACK_PRIVATE_H
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#include <glib-object.h>
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#include "clutter-macros.h"
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#include "clutter-stage-view.h"
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_PICK_STACK (clutter_pick_stack_get_type ())
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typedef struct _ClutterPickStack ClutterPickStack;
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GType clutter_pick_stack_get_type (void) G_GNUC_CONST;
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ClutterPickStack * clutter_pick_stack_new (CoglContext *context);
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ClutterPickStack * clutter_pick_stack_ref (ClutterPickStack *pick_stack);
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void clutter_pick_stack_unref (ClutterPickStack *pick_stack);
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void clutter_pick_stack_seal (ClutterPickStack *pick_stack);
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void clutter_pick_stack_log_pick (ClutterPickStack *pick_stack,
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const ClutterActorBox *box,
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ClutterActor *actor);
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void clutter_pick_stack_log_overlap (ClutterPickStack *pick_stack,
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ClutterActor *actor);
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void clutter_pick_stack_push_clip (ClutterPickStack *pick_stack,
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const ClutterActorBox *box);
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void clutter_pick_stack_pop_clip (ClutterPickStack *pick_stack);
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void clutter_pick_stack_push_transform (ClutterPickStack *pick_stack,
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const graphene_matrix_t *transform);
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void clutter_pick_stack_get_transform (ClutterPickStack *pick_stack,
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graphene_matrix_t *out_transform);
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void clutter_pick_stack_pop_transform (ClutterPickStack *pick_stack);
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ClutterActor *
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clutter_pick_stack_search_actor (ClutterPickStack *pick_stack,
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const graphene_point3d_t *point,
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const graphene_ray_t *ray,
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cairo_region_t **clear_area);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC (ClutterPickStack, clutter_pick_stack_unref)
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G_END_DECLS
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#endif /* CLUTTER_PICK_STACK_PRIVATE_H */
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