diff options
Diffstat (limited to 'panels/universal-access/cc-ua-panel.c')
| -rw-r--r-- | panels/universal-access/cc-ua-panel.c | 574 |
1 files changed, 574 insertions, 0 deletions
diff --git a/panels/universal-access/cc-ua-panel.c b/panels/universal-access/cc-ua-panel.c new file mode 100644 index 0000000..75cf893 --- /dev/null +++ b/panels/universal-access/cc-ua-panel.c @@ -0,0 +1,574 @@ +/* -*- 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); + } + 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); +} |