forked from AuroraMiddleware/gtk
f43d344aa3
Previously, the manufacturer property of the GdkMonitor was NULL, and having at least PNP id at GdkMonitor.manufacturer makes it possible to distinguish between different monitors programmatically.
677 lines
18 KiB
C
677 lines
18 KiB
C
/*
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* gdkmonitor.c
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*
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* Copyright 2016 Red Hat, Inc.
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*
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* Matthias Clasen <mclasen@redhat.com>
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library 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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#include "config.h"
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#include "gdkmonitorprivate.h"
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#include "gdkdisplay.h"
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#include "gdkenumtypes.h"
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/**
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* SECTION:gdkmonitor
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* @Title: GdkMonitor
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* @Short_description: Object representing an output
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*
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* GdkMonitor objects represent the individual outputs that are
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* associated with a #GdkDisplay. GdkDisplay has APIs to enumerate
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* monitors with gdk_display_get_n_monitors() and gdk_display_get_monitor(), and
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* to find particular monitors with gdk_display_get_primary_monitor() or
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* gdk_display_get_monitor_at_surface().
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*/
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/**
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* GdkMonitor:
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*
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* The GdkMonitor struct contains only private fields and should not
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* be accessed directly.
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*/
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enum {
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PROP_0,
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PROP_DISPLAY,
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PROP_MANUFACTURER,
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PROP_MODEL,
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PROP_CONNECTOR,
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PROP_SCALE_FACTOR,
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PROP_GEOMETRY,
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PROP_WORKAREA,
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PROP_WIDTH_MM,
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PROP_HEIGHT_MM,
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PROP_REFRESH_RATE,
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PROP_SUBPIXEL_LAYOUT,
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PROP_VALID,
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LAST_PROP
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};
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static GParamSpec *props[LAST_PROP] = { NULL, };
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enum {
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INVALIDATE,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL] = { 0 };
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G_DEFINE_TYPE (GdkMonitor, gdk_monitor, G_TYPE_OBJECT)
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static void
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gdk_monitor_init (GdkMonitor *monitor)
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{
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monitor->scale_factor = 1;
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monitor->valid = TRUE;
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}
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static void
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gdk_monitor_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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GdkMonitor *monitor = GDK_MONITOR (object);
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switch (prop_id)
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{
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case PROP_DISPLAY:
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g_value_set_object (value, monitor->display);
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break;
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case PROP_MANUFACTURER:
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g_value_set_string (value, monitor->manufacturer);
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break;
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case PROP_MODEL:
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g_value_set_string (value, monitor->model);
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break;
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case PROP_CONNECTOR:
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g_value_set_string (value, monitor->connector);
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break;
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case PROP_SCALE_FACTOR:
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g_value_set_int (value, monitor->scale_factor);
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break;
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case PROP_GEOMETRY:
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g_value_set_boxed (value, &monitor->geometry);
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break;
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case PROP_WORKAREA:
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{
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GdkRectangle workarea;
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gdk_monitor_get_workarea (monitor, &workarea);
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g_value_set_boxed (value, &workarea);
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}
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break;
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case PROP_WIDTH_MM:
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g_value_set_int (value, monitor->width_mm);
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break;
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case PROP_HEIGHT_MM:
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g_value_set_int (value, monitor->height_mm);
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break;
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case PROP_REFRESH_RATE:
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g_value_set_int (value, monitor->refresh_rate);
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break;
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case PROP_SUBPIXEL_LAYOUT:
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g_value_set_enum (value, monitor->subpixel_layout);
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break;
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case PROP_VALID:
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g_value_set_boolean (value, monitor->valid);
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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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gdk_monitor_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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GdkMonitor *monitor = GDK_MONITOR (object);
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switch (prop_id)
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{
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case PROP_DISPLAY:
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monitor->display = g_value_get_object (value);
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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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gdk_monitor_finalize (GObject *object)
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{
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GdkMonitor *monitor = GDK_MONITOR (object);
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g_free (monitor->connector);
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g_free (monitor->manufacturer);
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g_free (monitor->model);
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G_OBJECT_CLASS (gdk_monitor_parent_class)->finalize (object);
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}
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static void
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gdk_monitor_class_init (GdkMonitorClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->finalize = gdk_monitor_finalize;
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object_class->get_property = gdk_monitor_get_property;
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object_class->set_property = gdk_monitor_set_property;
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props[PROP_DISPLAY] =
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g_param_spec_object ("display",
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"Display",
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"The display of the monitor",
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GDK_TYPE_DISPLAY,
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G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
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props[PROP_MANUFACTURER] =
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g_param_spec_string ("manufacturer",
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"Manufacturer",
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"The manufacturer name",
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NULL,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_MODEL] =
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g_param_spec_string ("model",
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"Model",
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"The model name",
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NULL,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_CONNECTOR] =
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g_param_spec_string ("connector",
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"Connector",
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"The connector name",
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NULL,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_SCALE_FACTOR] =
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g_param_spec_int ("scale-factor",
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"Scale factor",
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"The scale factor",
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0, G_MAXINT,
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1,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_GEOMETRY] =
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g_param_spec_boxed ("geometry",
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"Geometry",
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"The geometry of the monitor",
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GDK_TYPE_RECTANGLE,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_WORKAREA] =
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g_param_spec_boxed ("workarea",
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"Workarea",
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"The workarea of the monitor",
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GDK_TYPE_RECTANGLE,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_WIDTH_MM] =
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g_param_spec_int ("width-mm",
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"Physical width",
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"The width of the monitor, in millimeters",
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0, G_MAXINT,
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0,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_HEIGHT_MM] =
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g_param_spec_int ("height-mm",
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"Physical height",
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"The height of the monitor, in millimeters",
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0, G_MAXINT,
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0,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_REFRESH_RATE] =
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g_param_spec_int ("refresh-rate",
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"Refresh rate",
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"The refresh rate, in millihertz",
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0, G_MAXINT,
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0,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_SUBPIXEL_LAYOUT] =
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g_param_spec_enum ("subpixel-layout",
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"Subpixel layout",
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"The subpixel layout",
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GDK_TYPE_SUBPIXEL_LAYOUT,
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GDK_SUBPIXEL_LAYOUT_UNKNOWN,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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props[PROP_VALID] =
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g_param_spec_boolean ("valid",
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"Valid",
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"Whether the monitor is still valid",
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TRUE,
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G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
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g_object_class_install_properties (object_class, LAST_PROP, props);
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/**
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* GdkMonitor::invalidate:
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* @monitor: the object on which this signal was emitted
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*
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* The ::invalidate signal gets emitted when the output represented
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* by @monitor gets disconnected.
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*/
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signals[INVALIDATE] = g_signal_new (g_intern_static_string ("invalidate"),
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G_TYPE_FROM_CLASS (object_class),
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G_SIGNAL_RUN_FIRST,
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0,
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NULL, NULL,
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NULL,
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G_TYPE_NONE, 0);
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}
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/**
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* gdk_monitor_get_display:
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* @monitor: a #GdkMonitor
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*
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* Gets the display that this monitor belongs to.
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*
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* Returns: (transfer none): the display
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*/
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GdkDisplay *
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gdk_monitor_get_display (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), NULL);
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return monitor->display;
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}
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/**
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* gdk_monitor_get_geometry:
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* @monitor: a #GdkMonitor
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* @geometry: (out): a #GdkRectangle to be filled with the monitor geometry
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*
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* Retrieves the size and position of an individual monitor within the
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* display coordinate space. The returned geometry is in ”application pixels”,
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* not in ”device pixels” (see gdk_monitor_get_scale_factor()).
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*/
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void
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gdk_monitor_get_geometry (GdkMonitor *monitor,
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GdkRectangle *geometry)
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{
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g_return_if_fail (GDK_IS_MONITOR (monitor));
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g_return_if_fail (geometry != NULL);
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*geometry = monitor->geometry;
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}
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/**
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* gdk_monitor_get_workarea:
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* @monitor: a #GdkMonitor
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* @workarea: (out): a #GdkRectangle to be filled with
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* the monitor workarea
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*
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* Retrieves the size and position of the “work area” on a monitor
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* within the display coordinate space. The returned geometry is in
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* ”application pixels”, not in ”device pixels” (see
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* gdk_monitor_get_scale_factor()).
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*
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* The work area should be considered when positioning menus and
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* similar popups, to avoid placing them below panels, docks or other
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* desktop components.
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*
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* Note that not all backends may have a concept of workarea. This
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* function will return the monitor geometry if a workarea is not
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* available, or does not apply.
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*/
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void
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gdk_monitor_get_workarea (GdkMonitor *monitor,
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GdkRectangle *workarea)
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{
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g_return_if_fail (GDK_IS_MONITOR (monitor));
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g_return_if_fail (workarea != NULL);
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if (GDK_MONITOR_GET_CLASS (monitor)->get_workarea)
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GDK_MONITOR_GET_CLASS (monitor)->get_workarea (monitor, workarea);
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else
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*workarea = monitor->geometry;
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}
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/**
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* gdk_monitor_get_width_mm:
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* @monitor: a #GdkMonitor
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*
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* Gets the width in millimeters of the monitor.
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*
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* Returns: the physical width of the monitor
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*/
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int
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gdk_monitor_get_width_mm (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), 0);
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return monitor->width_mm;
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}
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/**
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* gdk_monitor_get_height_mm:
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* @monitor: a #GdkMonitor
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*
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* Gets the height in millimeters of the monitor.
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*
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* Returns: the physical height of the monitor
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*/
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int
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gdk_monitor_get_height_mm (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), 0);
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return monitor->height_mm;
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}
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/**
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* gdk_monitor_get_connector:
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* @monitor: a #GdkMonitor
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*
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* Gets the name of the monitor's connector, if available.
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*
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* Returns: (transfer none) (nullable): the name of the connector
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*/
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const char *
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gdk_monitor_get_connector (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), NULL);
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return monitor->connector;
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}
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/**
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* gdk_monitor_get_manufacturer:
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* @monitor: a #GdkMonitor
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*
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* Gets the name or PNP ID of the monitor's manufacturer, if available.
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*
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* Note that this value might also vary depending on actual
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* display backend.
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*
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* PNP ID registry is located at https://uefi.org/pnp_id_list
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*
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* Returns: (transfer none) (nullable): the name of the manufacturer, or %NULL
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*/
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const char *
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gdk_monitor_get_manufacturer (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), NULL);
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return monitor->manufacturer;
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}
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/**
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* gdk_monitor_get_model:
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* @monitor: a #GdkMonitor
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*
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* Gets the a string identifying the monitor model, if available.
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*
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* Returns: (transfer none) (nullable): the monitor model, or %NULL
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*/
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const char *
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gdk_monitor_get_model (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), NULL);
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return monitor->model;
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}
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/**
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* gdk_monitor_get_scale_factor:
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* @monitor: a #GdkMonitor
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*
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* Gets the internal scale factor that maps from monitor coordinates
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* to the actual device pixels. On traditional systems this is 1, but
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* on very high density outputs this can be a higher value (often 2).
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*
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* This can be used if you want to create pixel based data for a
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* particular monitor, but most of the time you’re drawing to a surface
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* where it is better to use gdk_surface_get_scale_factor() instead.
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*
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* Returns: the scale factor
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*/
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int
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gdk_monitor_get_scale_factor (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), 1);
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return monitor->scale_factor;
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}
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/**
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* gdk_monitor_get_refresh_rate:
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* @monitor: a #GdkMonitor
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*
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* Gets the refresh rate of the monitor, if available.
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*
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* The value is in milli-Hertz, so a refresh rate of 60Hz
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* is returned as 60000.
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*
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* Returns: the refresh rate in milli-Hertz, or 0
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*/
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int
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gdk_monitor_get_refresh_rate (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), 0);
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return monitor->refresh_rate;
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}
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/**
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* gdk_monitor_get_subpixel_layout:
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* @monitor: a #GdkMonitor
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*
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* Gets information about the layout of red, green and blue
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* primaries for each pixel in this monitor, if available.
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*
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* Returns: the subpixel layout
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*/
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GdkSubpixelLayout
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gdk_monitor_get_subpixel_layout (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), GDK_SUBPIXEL_LAYOUT_UNKNOWN);
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return monitor->subpixel_layout;
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}
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/**
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* gdk_monitor_is_primary:
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* @monitor: a #GdkMonitor
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*
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* Gets whether this monitor should be considered primary
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* (see gdk_display_get_primary_monitor()).
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*
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* Returns: %TRUE if @monitor is primary
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*/
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gboolean
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gdk_monitor_is_primary (GdkMonitor *monitor)
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{
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g_return_val_if_fail (GDK_IS_MONITOR (monitor), FALSE);
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return monitor == gdk_display_get_primary_monitor (monitor->display);
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}
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GdkMonitor *
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gdk_monitor_new (GdkDisplay *display)
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{
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return GDK_MONITOR (g_object_new (GDK_TYPE_MONITOR,
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"display", display,
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NULL));
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}
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void
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gdk_monitor_set_manufacturer (GdkMonitor *monitor,
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const char *manufacturer)
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{
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g_free (monitor->manufacturer);
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monitor->manufacturer = g_strdup (manufacturer);
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g_object_notify (G_OBJECT (monitor), "manufacturer");
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}
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void
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gdk_monitor_set_model (GdkMonitor *monitor,
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const char *model)
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{
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g_free (monitor->model);
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monitor->model = g_strdup (model);
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g_object_notify (G_OBJECT (monitor), "model");
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}
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void
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gdk_monitor_set_connector (GdkMonitor *monitor,
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const char *connector)
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{
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g_free (monitor->connector);
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monitor->connector = g_strdup (connector);
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g_object_notify (G_OBJECT (monitor), "connector");
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}
|
||
|
||
void
|
||
gdk_monitor_set_position (GdkMonitor *monitor,
|
||
int x,
|
||
int y)
|
||
{
|
||
g_object_freeze_notify (G_OBJECT (monitor));
|
||
|
||
if (monitor->geometry.x != x)
|
||
{
|
||
monitor->geometry.x = x;
|
||
g_object_notify (G_OBJECT (monitor), "geometry");
|
||
}
|
||
|
||
if (monitor->geometry.y != y)
|
||
{
|
||
monitor->geometry.y = y;
|
||
g_object_notify (G_OBJECT (monitor), "geometry");
|
||
}
|
||
|
||
g_object_thaw_notify (G_OBJECT (monitor));
|
||
}
|
||
|
||
void
|
||
gdk_monitor_set_size (GdkMonitor *monitor,
|
||
int width,
|
||
int height)
|
||
{
|
||
g_object_freeze_notify (G_OBJECT (monitor));
|
||
|
||
if (monitor->geometry.width != width)
|
||
{
|
||
monitor->geometry.width = width;
|
||
g_object_notify (G_OBJECT (monitor), "geometry");
|
||
}
|
||
|
||
if (monitor->geometry.height != height)
|
||
{
|
||
monitor->geometry.height = height;
|
||
g_object_notify (G_OBJECT (monitor), "geometry");
|
||
}
|
||
|
||
g_object_thaw_notify (G_OBJECT (monitor));
|
||
}
|
||
|
||
void
|
||
gdk_monitor_set_physical_size (GdkMonitor *monitor,
|
||
int width_mm,
|
||
int height_mm)
|
||
{
|
||
g_object_freeze_notify (G_OBJECT (monitor));
|
||
|
||
if (monitor->width_mm != width_mm)
|
||
{
|
||
monitor->width_mm = width_mm;
|
||
g_object_notify (G_OBJECT (monitor), "width-mm");
|
||
}
|
||
|
||
if (monitor->height_mm != height_mm)
|
||
{
|
||
monitor->height_mm = height_mm;
|
||
g_object_notify (G_OBJECT (monitor), "height-mm");
|
||
}
|
||
|
||
g_object_thaw_notify (G_OBJECT (monitor));
|
||
}
|
||
|
||
void
|
||
gdk_monitor_set_scale_factor (GdkMonitor *monitor,
|
||
int scale_factor)
|
||
{
|
||
if (monitor->scale_factor == scale_factor)
|
||
return;
|
||
|
||
monitor->scale_factor = scale_factor;
|
||
|
||
g_object_notify (G_OBJECT (monitor), "scale-factor");
|
||
}
|
||
|
||
void
|
||
gdk_monitor_set_refresh_rate (GdkMonitor *monitor,
|
||
int refresh_rate)
|
||
{
|
||
if (monitor->refresh_rate == refresh_rate)
|
||
return;
|
||
|
||
monitor->refresh_rate = refresh_rate;
|
||
|
||
g_object_notify (G_OBJECT (monitor), "refresh-rate");
|
||
}
|
||
|
||
void
|
||
gdk_monitor_set_subpixel_layout (GdkMonitor *monitor,
|
||
GdkSubpixelLayout subpixel_layout)
|
||
{
|
||
if (monitor->subpixel_layout == subpixel_layout)
|
||
return;
|
||
|
||
monitor->subpixel_layout = subpixel_layout;
|
||
|
||
g_object_notify (G_OBJECT (monitor), "subpixel-layout");
|
||
}
|
||
|
||
void
|
||
gdk_monitor_invalidate (GdkMonitor *monitor)
|
||
{
|
||
monitor->valid = FALSE;
|
||
g_object_notify (G_OBJECT (monitor), "valid");
|
||
g_signal_emit (monitor, signals[INVALIDATE], 0);
|
||
}
|
||
|
||
/**
|
||
* gdk_monitor_is_valid:
|
||
* @monitor: a #GdkMonitor
|
||
*
|
||
* Returns %TRUE if the @monitor object corresponds to a
|
||
* physical monitor. The @monitor becomes invalid when the
|
||
* physical monitor is unplugged or removed.
|
||
*
|
||
* Returns: %TRUE if the object corresponds to a physical monitor
|
||
*/
|
||
gboolean
|
||
gdk_monitor_is_valid (GdkMonitor *monitor)
|
||
{
|
||
g_return_val_if_fail (GDK_IS_MONITOR (monitor), FALSE);
|
||
|
||
return monitor->valid;
|
||
}
|