e02fef8e2f
Make meson link libmutter using -fvisibility=hidden, and introduce META_EXPORT and META_EXPORT_TEST defines to mark a symbols as visible. The TEST version is meant to be used to flag symbols that are only used internally by mutter tests, but that should not be considered public API. This allows us to be more precise in selecting what is exported and what is not, without the need of a version-script file that would be more complicated to maintain. https://gitlab.gnome.org/GNOME/mutter/merge_requests/395
87 lines
3.8 KiB
C
87 lines
3.8 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/**
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* \file stack-tracker.h Track stacking order for compositor
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*
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* MetaStackTracker maintains the most accurate view we have at a
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* given point of time of the ordering of the children of the root
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* window (including override-redirect windows.) This is used to order
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* the windows when the compositor draws them.
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*
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* By contrast, MetaStack is responsible for keeping track of how we
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* think that windows *should* be ordered. For windows we manage
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* (non-override-redirect windows), the two stacking orders will be
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* the same.
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*/
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/*
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* Copyright (C) 2009 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef META_STACK_TRACKER_H
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#define META_STACK_TRACKER_H
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#include "core/util-private.h"
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#include "meta/display.h"
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#include "meta/window.h"
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typedef struct _MetaStackTracker MetaStackTracker;
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MetaStackTracker *meta_stack_tracker_new (MetaDisplay *display);
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void meta_stack_tracker_free (MetaStackTracker *tracker);
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/* These functions are called when we make an X call that changes the
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* stacking order; this allows MetaStackTracker to predict stacking
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* order before it receives events back from the X server */
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void meta_stack_tracker_record_add (MetaStackTracker *tracker,
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guint64 window,
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gulong serial);
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void meta_stack_tracker_record_remove (MetaStackTracker *tracker,
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guint64 window,
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gulong serial);
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/* We also have functions that also go ahead and do the work
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*/
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void meta_stack_tracker_lower (MetaStackTracker *tracker,
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guint64 window);
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void meta_stack_tracker_restack_managed (MetaStackTracker *tracker,
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const guint64 *windows,
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int n_windows);
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void meta_stack_tracker_restack_at_bottom (MetaStackTracker *tracker,
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const guint64 *new_order,
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int n_new_order);
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/* These functions are used to update the stack when we get events
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* reflecting changes to the stacking order */
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void meta_stack_tracker_create_event (MetaStackTracker *tracker,
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XCreateWindowEvent *event);
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void meta_stack_tracker_destroy_event (MetaStackTracker *tracker,
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XDestroyWindowEvent *event);
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void meta_stack_tracker_reparent_event (MetaStackTracker *tracker,
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XReparentEvent *event);
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void meta_stack_tracker_configure_event (MetaStackTracker *tracker,
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XConfigureEvent *event);
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META_EXPORT_TEST
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void meta_stack_tracker_get_stack (MetaStackTracker *tracker,
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guint64 **windows,
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int *n_entries);
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void meta_stack_tracker_sync_stack (MetaStackTracker *tracker);
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void meta_stack_tracker_queue_sync_stack (MetaStackTracker *tracker);
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#endif /* META_STACK_TRACKER_H */
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