279 lines
9.3 KiB
C
279 lines
9.3 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2017 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include "backends/meta-screen-cast-monitor-stream.h"
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#include "backends/meta-logical-monitor.h"
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#include "backends/meta-screen-cast-monitor-stream-src.h"
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enum
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{
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PROP_0,
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PROP_MONITOR,
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};
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struct _MetaScreenCastMonitorStream
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{
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MetaScreenCastStream parent;
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ClutterStage *stage;
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MetaMonitor *monitor;
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MetaLogicalMonitor *logical_monitor;
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};
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G_DEFINE_TYPE (MetaScreenCastMonitorStream,
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meta_screen_cast_monitor_stream,
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META_TYPE_SCREEN_CAST_STREAM)
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static gboolean
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update_monitor (MetaScreenCastMonitorStream *monitor_stream,
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MetaMonitor *new_monitor)
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{
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MetaLogicalMonitor *new_logical_monitor;
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new_logical_monitor = meta_monitor_get_logical_monitor (new_monitor);
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if (!new_logical_monitor)
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return FALSE;
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if (!meta_rectangle_equal (&new_logical_monitor->rect,
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&monitor_stream->logical_monitor->rect))
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return FALSE;
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g_set_object (&monitor_stream->monitor, new_monitor);
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g_set_object (&monitor_stream->logical_monitor, new_logical_monitor);
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return TRUE;
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}
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static void
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on_monitors_changed (MetaMonitorManager *monitor_manager,
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MetaScreenCastMonitorStream *monitor_stream)
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{
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MetaMonitor *new_monitor = NULL;
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GList *monitors;
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GList *l;
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monitors = meta_monitor_manager_get_monitors (monitor_manager);
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for (l = monitors; l; l = l->next)
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{
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MetaMonitor *other_monitor = l->data;
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if (meta_monitor_is_same_as (monitor_stream->monitor, other_monitor))
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{
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new_monitor = other_monitor;
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break;
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}
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}
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if (!new_monitor || !update_monitor (monitor_stream, new_monitor))
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meta_screen_cast_stream_close (META_SCREEN_CAST_STREAM (monitor_stream));
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}
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ClutterStage *
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meta_screen_cast_monitor_stream_get_stage (MetaScreenCastMonitorStream *monitor_stream)
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{
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return monitor_stream->stage;
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}
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MetaMonitor *
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meta_screen_cast_monitor_stream_get_monitor (MetaScreenCastMonitorStream *monitor_stream)
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{
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return monitor_stream->monitor;
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}
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MetaScreenCastMonitorStream *
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meta_screen_cast_monitor_stream_new (GDBusConnection *connection,
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MetaMonitorManager *monitor_manager,
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MetaMonitor *monitor,
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ClutterStage *stage,
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GError **error)
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{
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MetaScreenCastMonitorStream *monitor_stream;
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if (!meta_monitor_is_active (monitor))
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{
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g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Monitor not active");
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return NULL;
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}
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monitor_stream = g_initable_new (META_TYPE_SCREEN_CAST_MONITOR_STREAM,
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NULL,
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error,
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"connection", connection,
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"monitor", monitor,
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NULL);
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if (!monitor_stream)
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return NULL;
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monitor_stream->stage = stage;
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g_signal_connect_object (monitor_manager, "monitors-changed-internal",
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G_CALLBACK (on_monitors_changed),
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monitor_stream, 0);
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return monitor_stream;
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}
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static MetaScreenCastStreamSrc *
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meta_screen_cast_monitor_stream_create_src (MetaScreenCastStream *stream,
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GError **error)
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{
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MetaScreenCastMonitorStream *monitor_stream =
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META_SCREEN_CAST_MONITOR_STREAM (stream);
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MetaScreenCastMonitorStreamSrc *monitor_stream_src;
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monitor_stream_src = meta_screen_cast_monitor_stream_src_new (monitor_stream,
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error);
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if (!monitor_stream_src)
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return NULL;
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return META_SCREEN_CAST_STREAM_SRC (monitor_stream_src);
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}
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static void
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meta_screen_cast_monitor_stream_set_parameters (MetaScreenCastStream *stream,
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GVariantBuilder *parameters_builder)
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{
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MetaScreenCastMonitorStream *monitor_stream =
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META_SCREEN_CAST_MONITOR_STREAM (stream);
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MetaRectangle logical_monitor_layout;
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logical_monitor_layout =
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meta_logical_monitor_get_layout (monitor_stream->logical_monitor);
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g_variant_builder_add (parameters_builder, "{sv}",
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"position",
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g_variant_new ("(ii)",
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logical_monitor_layout.x,
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logical_monitor_layout.y));
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g_variant_builder_add (parameters_builder, "{sv}",
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"size",
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g_variant_new ("(ii)",
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logical_monitor_layout.width,
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logical_monitor_layout.height));
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}
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static void
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meta_screen_cast_monitor_stream_transform_position (MetaScreenCastStream *stream,
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double stream_x,
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double stream_y,
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double *x,
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double *y)
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{
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MetaScreenCastMonitorStream *monitor_stream =
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META_SCREEN_CAST_MONITOR_STREAM (stream);
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MetaRectangle logical_monitor_layout;
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logical_monitor_layout =
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meta_logical_monitor_get_layout (monitor_stream->logical_monitor);
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*x = logical_monitor_layout.x + stream_x;
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*y = logical_monitor_layout.y + stream_y;
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}
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static void
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meta_screen_cast_monitor_stream_set_property (GObject *object,
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guint prop_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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MetaScreenCastMonitorStream *monitor_stream =
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META_SCREEN_CAST_MONITOR_STREAM (object);
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MetaLogicalMonitor *logical_monitor;
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switch (prop_id)
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{
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case PROP_MONITOR:
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g_set_object (&monitor_stream->monitor, g_value_get_object (value));
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logical_monitor = meta_monitor_get_logical_monitor (monitor_stream->monitor);
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g_set_object (&monitor_stream->logical_monitor, logical_monitor);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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meta_screen_cast_monitor_stream_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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MetaScreenCastMonitorStream *monitor_stream =
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META_SCREEN_CAST_MONITOR_STREAM (object);
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switch (prop_id)
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{
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case PROP_MONITOR:
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g_value_set_object (value, monitor_stream->monitor);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static void
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meta_screen_cast_monitor_stream_finalize (GObject *object)
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{
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MetaScreenCastMonitorStream *monitor_stream =
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META_SCREEN_CAST_MONITOR_STREAM (object);
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g_clear_object (&monitor_stream->monitor);
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g_clear_object (&monitor_stream->logical_monitor);
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G_OBJECT_CLASS (meta_screen_cast_monitor_stream_parent_class)->finalize (object);
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}
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static void
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meta_screen_cast_monitor_stream_init (MetaScreenCastMonitorStream *monitor_stream)
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{
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}
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static void
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meta_screen_cast_monitor_stream_class_init (MetaScreenCastMonitorStreamClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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MetaScreenCastStreamClass *stream_class =
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META_SCREEN_CAST_STREAM_CLASS (klass);
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object_class->set_property = meta_screen_cast_monitor_stream_set_property;
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object_class->get_property = meta_screen_cast_monitor_stream_get_property;
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object_class->finalize = meta_screen_cast_monitor_stream_finalize;
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stream_class->create_src = meta_screen_cast_monitor_stream_create_src;
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stream_class->set_parameters = meta_screen_cast_monitor_stream_set_parameters;
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stream_class->transform_position = meta_screen_cast_monitor_stream_transform_position;
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g_object_class_install_property (object_class,
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PROP_MONITOR,
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g_param_spec_object ("monitor",
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"monitor",
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"MetaMonitor",
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META_TYPE_MONITOR,
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G_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY |
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G_PARAM_STATIC_STRINGS));
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}
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