3ce3a5a952
When monitors changed, previous monitor instances are defunct, and any reference holder should drop its reference. Sometimes they will want to continue having a reference to the same monitor, so add this function to make it possible to find it. Currently the output and crtc references are invalid, as they are not yet reference counted, so this can only look at cached fields. https://bugzilla.gnome.org/show_bug.cgi?id=784199
211 lines
8.1 KiB
C
211 lines
8.1 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2016 Red Hat
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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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#ifndef META_MONITOR_H
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#define META_MONITOR_H
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#include <glib-object.h>
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#include "backends/meta-monitor-manager-private.h"
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typedef struct _MetaMonitorSpec
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{
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char *connector;
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char *vendor;
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char *product;
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char *serial;
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} MetaMonitorSpec;
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typedef struct _MetaMonitorModeSpec
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{
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int width;
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int height;
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float refresh_rate;
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MetaCrtcModeFlag flags;
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} MetaMonitorModeSpec;
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typedef struct _MetaMonitorCrtcMode
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{
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MetaOutput *output;
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MetaCrtcMode *crtc_mode;
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} MetaMonitorCrtcMode;
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typedef gboolean (* MetaMonitorModeFunc) (MetaMonitor *monitor,
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MetaMonitorMode *mode,
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MetaMonitorCrtcMode *monitor_crtc_mode,
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gpointer user_data,
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GError **error);
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typedef enum _MetaMonitorScalesConstraint
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{
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META_MONITOR_SCALES_CONSTRAINT_NONE = 0,
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META_MONITOR_SCALES_CONSTRAINT_NO_FRAC = (1 << 0),
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} MetaMonitorScalesConstraint;
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#define META_TYPE_MONITOR (meta_monitor_get_type ())
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G_DECLARE_DERIVABLE_TYPE (MetaMonitor, meta_monitor, META, MONITOR, GObject)
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struct _MetaMonitorClass
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{
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GObjectClass parent_class;
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MetaOutput * (* get_main_output) (MetaMonitor *monitor);
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void (* derive_layout) (MetaMonitor *monitor,
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MetaRectangle *layout);
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void (* calculate_crtc_pos) (MetaMonitor *monitor,
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MetaMonitorMode *monitor_mode,
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MetaOutput *output,
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MetaMonitorTransform crtc_transform,
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int *out_x,
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int *out_y);
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gboolean (* get_suggested_position) (MetaMonitor *monitor,
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int *width,
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int *height);
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};
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#define META_TYPE_MONITOR_NORMAL (meta_monitor_normal_get_type ())
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G_DECLARE_FINAL_TYPE (MetaMonitorNormal, meta_monitor_normal,
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META, MONITOR_NORMAL,
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MetaMonitor)
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#define META_TYPE_MONITOR_TILED (meta_monitor_tiled_get_type ())
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G_DECLARE_FINAL_TYPE (MetaMonitorTiled, meta_monitor_tiled,
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META, MONITOR_TILED,
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MetaMonitor)
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MetaMonitorTiled * meta_monitor_tiled_new (MetaMonitorManager *monitor_manager,
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MetaOutput *main_output);
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MetaMonitorNormal * meta_monitor_normal_new (MetaMonitorManager *monitor_manager,
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MetaOutput *output);
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MetaMonitorSpec * meta_monitor_get_spec (MetaMonitor *monitor);
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gboolean meta_monitor_is_active (MetaMonitor *monitor);
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MetaOutput * meta_monitor_get_main_output (MetaMonitor *monitor);
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gboolean meta_monitor_is_primary (MetaMonitor *monitor);
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gboolean meta_monitor_supports_underscanning (MetaMonitor *monitor);
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gboolean meta_monitor_is_underscanning (MetaMonitor *monitor);
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gboolean meta_monitor_is_laptop_panel (MetaMonitor *monitor);
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gboolean meta_monitor_is_same_as (MetaMonitor *monitor,
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MetaMonitor *other_monitor);
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GList * meta_monitor_get_outputs (MetaMonitor *monitor);
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void meta_monitor_get_current_resolution (MetaMonitor *monitor,
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int *width,
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int *height);
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void meta_monitor_derive_layout (MetaMonitor *monitor,
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MetaRectangle *layout);
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void meta_monitor_get_physical_dimensions (MetaMonitor *monitor,
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int *width_mm,
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int *height_mm);
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CoglSubpixelOrder meta_monitor_get_subpixel_order (MetaMonitor *monitor);
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const char * meta_monitor_get_connector (MetaMonitor *monitor);
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const char * meta_monitor_get_vendor (MetaMonitor *monitor);
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const char * meta_monitor_get_product (MetaMonitor *monitor);
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const char * meta_monitor_get_serial (MetaMonitor *monitor);
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MetaConnectorType meta_monitor_get_connector_type (MetaMonitor *monitor);
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uint32_t meta_monitor_tiled_get_tile_group_id (MetaMonitorTiled *monitor_tiled);
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gboolean meta_monitor_get_suggested_position (MetaMonitor *monitor,
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int *x,
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int *y);
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MetaLogicalMonitor * meta_monitor_get_logical_monitor (MetaMonitor *monitor);
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MetaMonitorMode * meta_monitor_get_mode_from_id (MetaMonitor *monitor,
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const char *monitor_mode_id);
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MetaMonitorMode * meta_monitor_get_mode_from_spec (MetaMonitor *monitor,
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MetaMonitorModeSpec *monitor_mode_spec);
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MetaMonitorMode * meta_monitor_get_preferred_mode (MetaMonitor *monitor);
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MetaMonitorMode * meta_monitor_get_current_mode (MetaMonitor *monitor);
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void meta_monitor_derive_current_mode (MetaMonitor *monitor);
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void meta_monitor_set_current_mode (MetaMonitor *monitor,
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MetaMonitorMode *mode);
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GList * meta_monitor_get_modes (MetaMonitor *monitor);
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void meta_monitor_calculate_crtc_pos (MetaMonitor *monitor,
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MetaMonitorMode *monitor_mode,
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MetaOutput *output,
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MetaMonitorTransform crtc_transform,
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int *out_x,
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int *out_y);
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float meta_monitor_calculate_mode_scale (MetaMonitor *monitor,
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MetaMonitorMode *monitor_mode);
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float * meta_monitor_calculate_supported_scales (MetaMonitor *monitor,
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MetaMonitorMode *monitor_mode,
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MetaMonitorScalesConstraint constraints,
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int *n_supported_scales);
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const char * meta_monitor_mode_get_id (MetaMonitorMode *monitor_mode);
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MetaMonitorModeSpec * meta_monitor_mode_get_spec (MetaMonitorMode *monitor_mode);
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void meta_monitor_mode_get_resolution (MetaMonitorMode *monitor_mode,
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int *width,
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int *height);
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float meta_monitor_mode_get_refresh_rate (MetaMonitorMode *monitor_mode);
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MetaCrtcModeFlag meta_monitor_mode_get_flags (MetaMonitorMode *monitor_mode);
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gboolean meta_monitor_mode_foreach_crtc (MetaMonitor *monitor,
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MetaMonitorMode *mode,
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MetaMonitorModeFunc func,
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gpointer user_data,
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GError **error);
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MetaMonitorSpec * meta_monitor_spec_clone (MetaMonitorSpec *monitor_id);
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gboolean meta_monitor_spec_equals (MetaMonitorSpec *monitor_id,
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MetaMonitorSpec *other_monitor_id);
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int meta_monitor_spec_compare (MetaMonitorSpec *monitor_spec_a,
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MetaMonitorSpec *monitor_spec_b);
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void meta_monitor_spec_free (MetaMonitorSpec *monitor_id);
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#endif /* META_MONITOR_H */
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