gnome-control-center/panels/display/cc-display-config.c

570 lines
14 KiB
C

/*
* Copyright (C) 2016 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <math.h>
#include "cc-display-config.h"
static const double known_diagonals[] = {
12.1,
13.3,
15.6
};
static char *
diagonal_to_str (double d)
{
int i;
for (i = 0; i < G_N_ELEMENTS (known_diagonals); i++)
{
double delta;
delta = fabs(known_diagonals[i] - d);
if (delta < 0.1)
return g_strdup_printf ("%0.1lf\"", known_diagonals[i]);
}
return g_strdup_printf ("%d\"", (int) (d + 0.5));
}
static char *
make_display_size_string (int width_mm,
int height_mm)
{
char *inches = NULL;
if (width_mm > 0 && height_mm > 0)
{
double d = sqrt (width_mm * width_mm + height_mm * height_mm);
inches = diagonal_to_str (d / 25.4);
}
return inches;
}
static char *
make_output_ui_name (CcDisplayMonitor *output)
{
int width_mm, height_mm;
g_autofree char *size = NULL;
cc_display_monitor_get_physical_size (output, &width_mm, &height_mm);
size = make_display_size_string (width_mm, height_mm);
if (size)
return g_strdup_printf ("%s (%s)", cc_display_monitor_get_display_name (output), size);
else
return g_strdup_printf ("%s", cc_display_monitor_get_display_name (output));
}
G_DEFINE_TYPE (CcDisplayMode,
cc_display_mode,
G_TYPE_OBJECT)
static void
cc_display_mode_init (CcDisplayMode *self)
{
}
static void
cc_display_mode_class_init (CcDisplayModeClass *klass)
{
}
void
cc_display_mode_get_resolution (CcDisplayMode *self, int *w, int *h)
{
return CC_DISPLAY_MODE_GET_CLASS (self)->get_resolution (self, w, h);
}
const double *
cc_display_mode_get_supported_scales (CcDisplayMode *self)
{
return CC_DISPLAY_MODE_GET_CLASS (self)->get_supported_scales (self);
}
double
cc_display_mode_get_preferred_scale (CcDisplayMode *self)
{
return CC_DISPLAY_MODE_GET_CLASS (self)->get_preferred_scale (self);
}
gboolean
cc_display_mode_is_interlaced (CcDisplayMode *self)
{
return CC_DISPLAY_MODE_GET_CLASS (self)->is_interlaced (self);
}
int
cc_display_mode_get_freq (CcDisplayMode *self)
{
return CC_DISPLAY_MODE_GET_CLASS (self)->get_freq (self);
}
double
cc_display_mode_get_freq_f (CcDisplayMode *self)
{
return CC_DISPLAY_MODE_GET_CLASS (self)->get_freq_f (self);
}
struct _CcDisplayMonitorPrivate {
int ui_number;
gchar *ui_name;
gchar *ui_number_name;
gboolean is_usable;
};
typedef struct _CcDisplayMonitorPrivate CcDisplayMonitorPrivate;
G_DEFINE_TYPE_WITH_PRIVATE (CcDisplayMonitor,
cc_display_monitor,
G_TYPE_OBJECT)
#define CC_DISPLAY_MONITOR_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), CC_TYPE_DISPLAY_MONITOR, CcDisplayMonitorPrivate))
static void
cc_display_monitor_init (CcDisplayMonitor *self)
{
CcDisplayMonitorPrivate *priv = CC_DISPLAY_MONITOR_GET_PRIVATE (self);
priv->ui_number = 0;
priv->ui_name = NULL;
priv->ui_number_name = NULL;
priv->is_usable = TRUE;
}
static void
cc_display_monitor_finalize (GObject *object)
{
CcDisplayMonitor *self = CC_DISPLAY_MONITOR (object);
CcDisplayMonitorPrivate *priv = CC_DISPLAY_MONITOR_GET_PRIVATE (self);
g_clear_pointer (&priv->ui_name, g_free);
g_clear_pointer (&priv->ui_number_name, g_free);
G_OBJECT_CLASS (cc_display_monitor_parent_class)->finalize (object);
}
static void
cc_display_monitor_class_init (CcDisplayMonitorClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = cc_display_monitor_finalize;
g_signal_new ("rotation",
CC_TYPE_DISPLAY_MONITOR,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
g_signal_new ("mode",
CC_TYPE_DISPLAY_MONITOR,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
g_signal_new ("primary",
CC_TYPE_DISPLAY_MONITOR,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
g_signal_new ("active",
CC_TYPE_DISPLAY_MONITOR,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
g_signal_new ("scale",
CC_TYPE_DISPLAY_MONITOR,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
g_signal_new ("position-changed",
CC_TYPE_DISPLAY_MONITOR,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
g_signal_new ("is-usable",
CC_TYPE_DISPLAY_MONITOR,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
}
const char *
cc_display_monitor_get_display_name (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_display_name (self);
}
const char *
cc_display_monitor_get_connector_name (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_connector_name (self);
}
gboolean
cc_display_monitor_is_builtin (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->is_builtin (self);
}
gboolean
cc_display_monitor_is_primary (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->is_primary (self);
}
void
cc_display_monitor_set_primary (CcDisplayMonitor *self, gboolean primary)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->set_primary (self, primary);
}
gboolean
cc_display_monitor_is_active (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->is_active (self);
}
void
cc_display_monitor_set_active (CcDisplayMonitor *self, gboolean active)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->set_active (self, active);
}
CcDisplayRotation
cc_display_monitor_get_rotation (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_rotation (self);
}
void
cc_display_monitor_set_rotation (CcDisplayMonitor *self,
CcDisplayRotation rotation)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->set_rotation (self, rotation);
}
gboolean
cc_display_monitor_supports_rotation (CcDisplayMonitor *self, CcDisplayRotation r)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->supports_rotation (self, r);
}
void
cc_display_monitor_get_physical_size (CcDisplayMonitor *self, int *w, int *h)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_physical_size (self, w, h);
}
void
cc_display_monitor_get_geometry (CcDisplayMonitor *self, int *x, int *y, int *w, int *h)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_geometry (self, x, y, w, h);
}
CcDisplayMode *
cc_display_monitor_get_mode (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_mode (self);
}
CcDisplayMode *
cc_display_monitor_get_preferred_mode (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_preferred_mode (self);
}
guint32
cc_display_monitor_get_id (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_id (self);
}
GList *
cc_display_monitor_get_modes (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_modes (self);
}
gboolean
cc_display_monitor_supports_underscanning (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->supports_underscanning (self);
}
gboolean
cc_display_monitor_get_underscanning (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_underscanning (self);
}
void
cc_display_monitor_set_underscanning (CcDisplayMonitor *self,
gboolean underscanning)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->set_underscanning (self, underscanning);
}
void
cc_display_monitor_set_mode (CcDisplayMonitor *self, CcDisplayMode *m)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->set_mode (self, m);
}
void
cc_display_monitor_set_position (CcDisplayMonitor *self, int x, int y)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->set_position (self, x, y);
}
double
cc_display_monitor_get_scale (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->get_scale (self);
}
void
cc_display_monitor_set_scale (CcDisplayMonitor *self, double s)
{
return CC_DISPLAY_MONITOR_GET_CLASS (self)->set_scale (self, s);
}
gboolean
cc_display_monitor_is_useful (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_PRIVATE (self)->is_usable &&
cc_display_monitor_is_active (self);
}
gboolean
cc_display_monitor_is_usable (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_PRIVATE (self)->is_usable;
}
void
cc_display_monitor_set_usable (CcDisplayMonitor *self, gboolean is_usable)
{
CC_DISPLAY_MONITOR_GET_PRIVATE (self)->is_usable = is_usable;
g_signal_emit_by_name (self, "is-usable");
}
gint
cc_display_monitor_get_ui_number (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_PRIVATE (self)->ui_number;
}
const char *
cc_display_monitor_get_ui_name (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_PRIVATE (self)->ui_name;
}
const char *
cc_display_monitor_get_ui_number_name (CcDisplayMonitor *self)
{
return CC_DISPLAY_MONITOR_GET_PRIVATE (self)->ui_number_name;
}
char *
cc_display_monitor_dup_ui_number_name (CcDisplayMonitor *self)
{
return g_strdup (CC_DISPLAY_MONITOR_GET_PRIVATE (self)->ui_number_name);
}
static void
cc_display_monitor_set_ui_info (CcDisplayMonitor *self, gint ui_number, gchar *ui_name)
{
CcDisplayMonitorPrivate *priv = CC_DISPLAY_MONITOR_GET_PRIVATE (self);
priv->ui_number = ui_number;
g_free (priv->ui_name);
priv->ui_name = ui_name;
priv->ui_number_name = g_strdup_printf ("%d\u2003%s", ui_number, ui_name);
}
struct _CcDisplayConfigPrivate {
GList *ui_sorted_monitors;
};
typedef struct _CcDisplayConfigPrivate CcDisplayConfigPrivate;
G_DEFINE_TYPE_WITH_PRIVATE (CcDisplayConfig,
cc_display_config,
G_TYPE_OBJECT)
#define CC_DISPLAY_CONFIG_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), CC_TYPE_DISPLAY_CONFIG, CcDisplayConfigPrivate))
static void
cc_display_config_init (CcDisplayConfig *self)
{
CcDisplayConfigPrivate *priv = CC_DISPLAY_CONFIG_GET_PRIVATE (self);
priv->ui_sorted_monitors = NULL;
}
static void
cc_display_config_constructed (GObject *object)
{
CcDisplayConfig *self = CC_DISPLAY_CONFIG (object);
CcDisplayConfigPrivate *priv = CC_DISPLAY_CONFIG_GET_PRIVATE (self);
GList *monitors = cc_display_config_get_monitors (self);
GList *item;
gint ui_number = 1;
for (item = monitors; item != NULL; item = item->next)
{
CcDisplayMonitor *monitor = item->data;
if (cc_display_monitor_is_builtin (monitor))
priv->ui_sorted_monitors = g_list_prepend (priv->ui_sorted_monitors, monitor);
else
priv->ui_sorted_monitors = g_list_append (priv->ui_sorted_monitors, monitor);
}
for (item = priv->ui_sorted_monitors; item != NULL; item = item->next)
{
CcDisplayMonitor *monitor = item->data;
char *ui_name;
ui_name = make_output_ui_name (monitor);
cc_display_monitor_set_ui_info (monitor, ui_number, ui_name);
ui_number += 1;
}
}
static void
cc_display_config_finalize (GObject *object)
{
CcDisplayConfig *self = CC_DISPLAY_CONFIG (object);
CcDisplayConfigPrivate *priv = CC_DISPLAY_CONFIG_GET_PRIVATE (self);
g_list_free (priv->ui_sorted_monitors);
G_OBJECT_CLASS (cc_display_config_parent_class)->finalize (object);
}
static void
cc_display_config_class_init (CcDisplayConfigClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
g_signal_new ("primary",
CC_TYPE_DISPLAY_CONFIG,
G_SIGNAL_RUN_LAST,
0, NULL, NULL, NULL,
G_TYPE_NONE, 0);
gobject_class->constructed = cc_display_config_constructed;
gobject_class->finalize = cc_display_config_finalize;
}
GList *
cc_display_config_get_monitors (CcDisplayConfig *self)
{
return CC_DISPLAY_CONFIG_GET_CLASS (self)->get_monitors (self);
}
GList *
cc_display_config_get_ui_sorted_monitors (CcDisplayConfig *self)
{
return CC_DISPLAY_CONFIG_GET_PRIVATE (self)->ui_sorted_monitors;
}
int
cc_display_config_count_useful_monitors (CcDisplayConfig *self)
{
CcDisplayConfigPrivate *priv = CC_DISPLAY_CONFIG_GET_PRIVATE (self);
GList *outputs, *l;
guint count = 0;
outputs = priv->ui_sorted_monitors;
for (l = outputs; l != NULL; l = l->next)
{
CcDisplayMonitor *output = l->data;
if (!cc_display_monitor_is_useful (output))
continue;
else
count++;
}
return count;
}
gboolean
cc_display_config_is_applicable (CcDisplayConfig *self)
{
return CC_DISPLAY_CONFIG_GET_CLASS (self)->is_applicable (self);
}
void
cc_display_config_set_mode_on_all_outputs (CcDisplayConfig *config,
CcDisplayMode *mode)
{
GList *outputs, *l;
outputs = cc_display_config_get_monitors (config);
for (l = outputs; l; l = l->next)
{
CcDisplayMonitor *output = l->data;
cc_display_monitor_set_mode (output, mode);
cc_display_monitor_set_position (output, 0, 0);
}
}
gboolean
cc_display_config_equal (CcDisplayConfig *self,
CcDisplayConfig *other)
{
return CC_DISPLAY_CONFIG_GET_CLASS (self)->equal (self, other);
}
gboolean
cc_display_config_apply (CcDisplayConfig *self,
GError **error)
{
return CC_DISPLAY_CONFIG_GET_CLASS (self)->apply (self, error);
}
gboolean
cc_display_config_is_cloning (CcDisplayConfig *self)
{
return CC_DISPLAY_CONFIG_GET_CLASS (self)->is_cloning (self);
}
void
cc_display_config_set_cloning (CcDisplayConfig *self,
gboolean clone)
{
return CC_DISPLAY_CONFIG_GET_CLASS (self)->set_cloning (self, clone);
}
GList *
cc_display_config_get_cloning_modes (CcDisplayConfig *self)
{
return CC_DISPLAY_CONFIG_GET_CLASS (self)->get_cloning_modes (self);
}
gboolean
cc_display_config_is_layout_logical (CcDisplayConfig *self)
{
return CC_DISPLAY_CONFIG_GET_CLASS (self)->is_layout_logical (self);
}