gnome-control-center/panels/universal-access/cc-ua-panel.c
Christopher Davis 0af1937d4d universal-access: Inline Sound Keys dialog
This can also be replaced with a simple switch
in an AdwActionRow.
2022-01-05 22:06:37 +00:00

575 lines
20 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2010 Intel, Inc
* Copyright (C) 2008 William Jon McCann <jmccann@redhat.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authors: Thomas Wood <thomas.wood@intel.com>
* Rodrigo Moya <rodrigo@gnome.org>
*
*/
#include <config.h>
#include <math.h>
#include <glib/gi18n-lib.h>
#include <gdesktop-enums.h>
#include "cc-ua-panel.h"
#include "cc-ua-resources.h"
#include "cc-cursor-blinking-dialog.h"
#include "cc-cursor-size-dialog.h"
#include "cc-pointing-dialog.h"
#include "cc-repeat-keys-dialog.h"
#include "cc-typing-dialog.h"
#include "cc-visual-alerts-dialog.h"
#include "cc-zoom-options-dialog.h"
#define DPI_FACTOR_LARGE 1.25
#define DPI_FACTOR_NORMAL 1.0
#define HIGH_CONTRAST_THEME "HighContrast"
/* shell settings */
#define A11Y_SETTINGS "org.gnome.desktop.a11y"
#define KEY_ALWAYS_SHOW_STATUS "always-show-universal-access-status"
/* a11y interface settings */
#define A11Y_INTERFACE_SETTINGS "org.gnome.desktop.a11y.interface"
#define KEY_HIGH_CONTRAST "high-contrast"
/* interface settings */
#define INTERFACE_SETTINGS "org.gnome.desktop.interface"
#define KEY_TEXT_SCALING_FACTOR "text-scaling-factor"
#define KEY_GTK_THEME "gtk-theme"
#define KEY_ICON_THEME "icon-theme"
#define KEY_CURSOR_BLINKING "cursor-blink"
#define KEY_CURSOR_BLINKING_TIME "cursor-blink-time"
#define KEY_MOUSE_CURSOR_SIZE "cursor-size"
#define KEY_LOCATE_POINTER "locate-pointer"
#define KEY_ENABLE_ANIMATIONS "enable-animations"
/* application settings */
#define APPLICATION_SETTINGS "org.gnome.desktop.a11y.applications"
#define KEY_SCREEN_KEYBOARD_ENABLED "screen-keyboard-enabled"
#define KEY_SCREEN_MAGNIFIER_ENABLED "screen-magnifier-enabled"
#define KEY_SCREEN_READER_ENABLED "screen-reader-enabled"
/* wm settings */
#define WM_SETTINGS "org.gnome.desktop.wm.preferences"
#define KEY_VISUAL_BELL_ENABLED "visual-bell"
/* keyboard settings */
#define KEYBOARD_SETTINGS "org.gnome.desktop.a11y.keyboard"
#define KEY_KEYBOARD_TOGGLE "enable"
#define KEY_STICKYKEYS_ENABLED "stickykeys-enable"
#define KEY_STICKYKEYS_TWO_KEY_OFF "stickykeys-two-key-off"
#define KEY_STICKYKEYS_MODIFIER_BEEP "stickykeys-modifier-beep"
#define KEY_SLOWKEYS_ENABLED "slowkeys-enable"
#define KEY_SLOWKEYS_DELAY "slowkeys-delay"
#define KEY_SLOWKEYS_BEEP_PRESS "slowkeys-beep-press"
#define KEY_SLOWKEYS_BEEP_ACCEPT "slowkeys-beep-accept"
#define KEY_SLOWKEYS_BEEP_REJECT "slowkeys-beep-reject"
#define KEY_BOUNCEKEYS_ENABLED "bouncekeys-enable"
#define KEY_BOUNCEKEYS_DELAY "bouncekeys-delay"
#define KEY_BOUNCEKEYS_BEEP_REJECT "bouncekeys-beep-reject"
#define KEY_MOUSEKEYS_ENABLED "mousekeys-enable"
#define KEY_TOGGLEKEYS_ENABLED "togglekeys-enable"
/* keyboard desktop settings */
#define KEYBOARD_DESKTOP_SETTINGS "org.gnome.desktop.peripherals.keyboard"
#define KEY_REPEAT_KEYS "repeat"
/* mouse settings */
#define MOUSE_SETTINGS "org.gnome.desktop.a11y.mouse"
#define KEY_SECONDARY_CLICK_ENABLED "secondary-click-enabled"
#define KEY_SECONDARY_CLICK_TIME "secondary-click-time"
#define KEY_DWELL_CLICK_ENABLED "dwell-click-enabled"
#define KEY_DWELL_TIME "dwell-time"
#define KEY_DWELL_THRESHOLD "dwell-threshold"
#define MOUSE_PERIPHERAL_SETTINGS "org.gnome.desktop.peripherals.mouse"
#define KEY_DOUBLE_CLICK_DELAY "double-click"
struct _CcUaPanel
{
CcPanel parent_instance;
GtkLabel *accessx_label;
AdwActionRow *accessx_row;
GtkLabel *click_assist_label;
AdwActionRow *click_assist_row;
GtkLabel *cursor_blinking_label;
AdwActionRow *cursor_blinking_row;
GtkLabel *cursor_size_label;
AdwActionRow *cursor_size_row;
GtkScale *double_click_delay_scale;
GtkSwitch *enable_animations_switch;
GtkSwitch *highcontrast_enable_switch;
GtkSwitch *large_text_enable_switch;
GtkSwitch *locate_pointer_enable_switch;
GtkSwitch *mouse_keys_enable_switch;
GtkLabel *repeat_keys_label;
AdwActionRow *repeat_keys_row;
GtkSwitch *screen_keyboard_enable_switch;
GtkSwitch *screen_reader_switch;
AdwActionRow *screen_reader_row;
GtkSwitch *show_status_switch;
GtkSwitch *sound_keys_switch;
AdwActionRow *sound_keys_row;
GtkLabel *visual_alerts_label;
AdwActionRow *visual_alerts_row;
GtkLabel *zoom_label;
AdwActionRow *zoom_row;
GSettings *wm_settings;
GSettings *a11y_settings;
GSettings *a11y_interface_settings;
GSettings *interface_settings;
GSettings *kb_settings;
GSettings *mouse_settings;
GSettings *kb_desktop_settings;
GSettings *application_settings;
GSettings *gds_mouse_settings;
};
CC_PANEL_REGISTER (CcUaPanel, cc_ua_panel)
static void
run_dialog (CcUaPanel *self, GtkDialog *dialog)
{
GtkNative *native = gtk_widget_get_native (GTK_WIDGET (self));
gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (native));
gtk_window_present (GTK_WINDOW (dialog));
}
static void
activate_row (CcUaPanel *self, AdwActionRow *row)
{
if (row == self->zoom_row)
{
run_dialog (self, GTK_DIALOG (cc_zoom_options_dialog_new ()));
}
else if (row == self->cursor_size_row)
{
run_dialog (self, GTK_DIALOG (cc_cursor_size_dialog_new ()));
}
else if (row == self->visual_alerts_row)
{
run_dialog (self, GTK_DIALOG (cc_visual_alerts_dialog_new ()));
}
else if (row == self->repeat_keys_row)
{
run_dialog (self, GTK_DIALOG (cc_repeat_keys_dialog_new ()));
}
else if (row == self->cursor_blinking_row)
{
run_dialog (self, GTK_DIALOG (cc_cursor_blinking_dialog_new ()));
}
else if (row == self->accessx_row)
{
run_dialog (self, GTK_DIALOG (cc_typing_dialog_new ()));
}
else if (row == self->click_assist_row)
{
run_dialog (self, GTK_DIALOG (cc_pointing_dialog_new ()));
}
}
static void
cc_ua_panel_dispose (GObject *object)
{
CcUaPanel *self = CC_UA_PANEL (object);
g_clear_object (&self->wm_settings);
g_clear_object (&self->a11y_settings);
g_clear_object (&self->a11y_interface_settings);
g_clear_object (&self->interface_settings);
g_clear_object (&self->kb_settings);
g_clear_object (&self->mouse_settings);
g_clear_object (&self->kb_desktop_settings);
g_clear_object (&self->application_settings);
g_clear_object (&self->gds_mouse_settings);
G_OBJECT_CLASS (cc_ua_panel_parent_class)->dispose (object);
}
static const char *
cc_ua_panel_get_help_uri (CcPanel *panel)
{
return "help:gnome-help/a11y";
}
static void
cc_ua_panel_class_init (CcUaPanelClass *klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
CcPanelClass *panel_class = CC_PANEL_CLASS (klass);
panel_class->get_help_uri = cc_ua_panel_get_help_uri;
object_class->dispose = cc_ua_panel_dispose;
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/universal-access/cc-ua-panel.ui");
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, accessx_label);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, accessx_row);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, click_assist_label);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, click_assist_row);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, cursor_blinking_label);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, cursor_blinking_row);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, cursor_size_label);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, cursor_size_row);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, double_click_delay_scale);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, enable_animations_switch);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, highcontrast_enable_switch);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, large_text_enable_switch);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, locate_pointer_enable_switch);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, mouse_keys_enable_switch);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, repeat_keys_label);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, repeat_keys_row);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, screen_keyboard_enable_switch);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, screen_reader_switch);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, screen_reader_row);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, show_status_switch);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, sound_keys_switch);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, sound_keys_row);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, visual_alerts_label);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, visual_alerts_row);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, zoom_label);
gtk_widget_class_bind_template_child (widget_class, CcUaPanel, zoom_row);
gtk_widget_class_bind_template_callback (widget_class, activate_row);
}
/* seeing section */
static gboolean
is_large_factor (gdouble factor)
{
return (factor > DPI_FACTOR_NORMAL);
}
static gboolean
get_large_text_mapping (GValue *value,
GVariant *variant,
gpointer user_data)
{
gdouble factor;
factor = g_variant_get_double (variant);
g_value_set_boolean (value, is_large_factor (factor));
return TRUE;
}
static GVariant *
set_large_text_mapping (const GValue *value,
const GVariantType *expected_type,
gpointer user_data)
{
gboolean large;
GSettings *settings = user_data;
GVariant *ret = NULL;
large = g_value_get_boolean (value);
if (large)
ret = g_variant_new_double (DPI_FACTOR_LARGE);
else
g_settings_reset (settings, KEY_TEXT_SCALING_FACTOR);
return ret;
}
static gboolean
get_contrast_mapping (GValue *value,
GVariant *variant,
gpointer user_data)
{
gboolean hc;
hc = g_variant_get_boolean (variant);
g_value_set_boolean (value, hc);
return TRUE;
}
static GVariant *
set_contrast_mapping (const GValue *value,
const GVariantType *expected_type,
gpointer user_data)
{
gboolean hc;
CcUaPanel *self = user_data;
hc = g_value_get_boolean (value);
if (hc)
{
g_settings_set_string (self->interface_settings, KEY_GTK_THEME, HIGH_CONTRAST_THEME);
g_settings_set_string (self->interface_settings, KEY_ICON_THEME, HIGH_CONTRAST_THEME);
}
else
{
g_settings_reset (self->interface_settings, KEY_GTK_THEME);
g_settings_reset (self->interface_settings, KEY_ICON_THEME);
}
return g_variant_new_boolean (hc);
}
static gboolean
on_off_label_mapping_get (GValue *value,
GVariant *variant,
gpointer user_data)
{
g_value_set_string (value, g_variant_get_boolean (variant) ? _("On") : _("Off"));
return TRUE;
}
static gboolean
cursor_size_label_mapping_get (GValue *value,
GVariant *variant,
gpointer user_data)
{
char *label;
int cursor_size;
cursor_size = g_variant_get_int32 (variant);
switch (cursor_size)
{
case 24:
/* translators: the labels will read:
* Cursor Size: Default */
label = g_strdup (C_("cursor size", "Default"));
break;
case 32:
label = g_strdup (C_("cursor size", "Medium"));
break;
case 48:
label = g_strdup (C_("cursor size", "Large"));
break;
case 64:
label = g_strdup (C_("cursor size", "Larger"));
break;
case 96:
label = g_strdup (C_("cursor size", "Largest"));
break;
default:
label = g_strdup_printf (g_dngettext (GETTEXT_PACKAGE,
"%d pixel",
"%d pixels",
cursor_size),
cursor_size);
break;
}
g_value_take_string (value, label);
return TRUE;
}
static void
cc_ua_panel_init_status (CcUaPanel *self)
{
g_settings_bind (self->a11y_settings, KEY_ALWAYS_SHOW_STATUS,
self->show_status_switch, "active",
G_SETTINGS_BIND_DEFAULT);
}
static void
cc_ua_panel_init_seeing (CcUaPanel *self)
{
g_settings_bind_with_mapping (self->a11y_interface_settings, KEY_HIGH_CONTRAST,
self->highcontrast_enable_switch,
"active", G_SETTINGS_BIND_DEFAULT,
get_contrast_mapping,
set_contrast_mapping,
self,
NULL);
/* enable animation */
g_settings_bind (self->interface_settings, KEY_ENABLE_ANIMATIONS,
self->enable_animations_switch, "active",
G_SETTINGS_BIND_DEFAULT);
/* large text */
g_settings_bind_with_mapping (self->interface_settings, KEY_TEXT_SCALING_FACTOR,
self->large_text_enable_switch,
"active", G_SETTINGS_BIND_DEFAULT,
get_large_text_mapping,
set_large_text_mapping,
self->interface_settings,
NULL);
/* screen reader */
g_settings_bind (self->application_settings, "screen-reader-enabled",
self->screen_reader_switch, "active",
G_SETTINGS_BIND_DEFAULT);
/* sound keys */
g_settings_bind (self->kb_settings, KEY_TOGGLEKEYS_ENABLED,
self->sound_keys_switch, "active",
G_SETTINGS_BIND_DEFAULT);
/* cursor size */
g_settings_bind_with_mapping (self->interface_settings, KEY_MOUSE_CURSOR_SIZE, // FIXME
self->cursor_size_label,
"label", G_SETTINGS_BIND_GET,
cursor_size_label_mapping_get,
NULL, NULL, NULL);
/* zoom */
g_settings_bind_with_mapping (self->application_settings, "screen-magnifier-enabled",
self->zoom_label,
"label", G_SETTINGS_BIND_GET,
on_off_label_mapping_get,
NULL, NULL, NULL);
}
/* hearing/sound section */
static void
cc_ua_panel_init_hearing (CcUaPanel *self)
{
g_settings_bind_with_mapping (self->wm_settings, KEY_VISUAL_BELL_ENABLED,
self->visual_alerts_label,
"label", G_SETTINGS_BIND_GET,
on_off_label_mapping_get,
NULL, NULL, NULL);
}
/* typing/keyboard section */
static void
on_repeat_keys_toggled (CcUaPanel *self)
{
gboolean on;
on = g_settings_get_boolean (self->kb_desktop_settings, KEY_REPEAT_KEYS);
gtk_label_set_text (self->repeat_keys_label, on ? _("On") : _("Off"));
}
static void
on_cursor_blinking_toggled (CcUaPanel *self)
{
gboolean on;
on = g_settings_get_boolean (self->interface_settings, KEY_CURSOR_BLINKING);
gtk_label_set_text (self->cursor_blinking_label, on ? _("On") : _("Off"));
}
static void
update_accessx_label (CcUaPanel *self)
{
gboolean on;
on = g_settings_get_boolean (self->kb_settings, KEY_STICKYKEYS_ENABLED) ||
g_settings_get_boolean (self->kb_settings, KEY_SLOWKEYS_ENABLED) ||
g_settings_get_boolean (self->kb_settings, KEY_BOUNCEKEYS_ENABLED);
gtk_label_set_text (self->accessx_label, on ? _("On") : _("Off"));
}
static void
cc_ua_panel_init_keyboard (CcUaPanel *self)
{
/* on-screen keyboard */
g_settings_bind (self->application_settings, KEY_SCREEN_KEYBOARD_ENABLED,
self->screen_keyboard_enable_switch, "active",
G_SETTINGS_BIND_DEFAULT);
/* Repeat keys */
g_signal_connect_object (self->kb_desktop_settings, "changed",
G_CALLBACK (on_repeat_keys_toggled), self, G_CONNECT_SWAPPED);
on_repeat_keys_toggled (self);
/* Cursor Blinking */
g_signal_connect_object (self->interface_settings, "changed",
G_CALLBACK (on_cursor_blinking_toggled), self, G_CONNECT_SWAPPED);
on_cursor_blinking_toggled (self);
/* accessx */
g_signal_connect_object (self->kb_settings, "changed",
G_CALLBACK (update_accessx_label), self, G_CONNECT_SWAPPED);
update_accessx_label (self);
}
/* mouse/pointing & clicking section */
static void
update_click_assist_label (CcUaPanel *self)
{
gboolean on;
on = g_settings_get_boolean (self->mouse_settings, KEY_SECONDARY_CLICK_ENABLED) ||
g_settings_get_boolean (self->mouse_settings, KEY_DWELL_CLICK_ENABLED);
gtk_label_set_text (self->click_assist_label, on ? _("On") : _("Off"));
}
static void
cc_ua_panel_init_mouse (CcUaPanel *self)
{
g_settings_bind (self->kb_settings, KEY_MOUSEKEYS_ENABLED,
self->mouse_keys_enable_switch, "active",
G_SETTINGS_BIND_DEFAULT);
g_settings_bind (self->interface_settings, KEY_LOCATE_POINTER,
self->locate_pointer_enable_switch, "active",
G_SETTINGS_BIND_DEFAULT);
g_signal_connect_object (self->mouse_settings, "changed",
G_CALLBACK (update_click_assist_label), self, G_CONNECT_SWAPPED);
update_click_assist_label (self);
g_settings_bind (self->gds_mouse_settings, "double-click",
gtk_range_get_adjustment (GTK_RANGE (self->double_click_delay_scale)), "value",
G_SETTINGS_BIND_DEFAULT);
gtk_scale_add_mark (GTK_SCALE (self->double_click_delay_scale), 400, GTK_POS_BOTTOM, NULL);
}
static void
cc_ua_panel_init (CcUaPanel *self)
{
g_resources_register (cc_universal_access_get_resource ());
gtk_widget_init_template (GTK_WIDGET (self));
self->interface_settings = g_settings_new (INTERFACE_SETTINGS);
self->a11y_interface_settings = g_settings_new (A11Y_INTERFACE_SETTINGS);
self->a11y_settings = g_settings_new (A11Y_SETTINGS);
self->wm_settings = g_settings_new (WM_SETTINGS);
self->kb_settings = g_settings_new (KEYBOARD_SETTINGS);
self->kb_desktop_settings = g_settings_new (KEYBOARD_DESKTOP_SETTINGS);
self->mouse_settings = g_settings_new (MOUSE_SETTINGS);
self->gds_mouse_settings = g_settings_new (MOUSE_PERIPHERAL_SETTINGS);
self->application_settings = g_settings_new (APPLICATION_SETTINGS);
cc_ua_panel_init_status (self);
cc_ua_panel_init_seeing (self);
cc_ua_panel_init_hearing (self);
cc_ua_panel_init_keyboard (self);
cc_ua_panel_init_mouse (self);
}