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Diffstat (limited to 'clutter/clutter/clutter-settings.c')
| -rw-r--r-- | clutter/clutter/clutter-settings.c | 1082 |
1 files changed, 0 insertions, 1082 deletions
diff --git a/clutter/clutter/clutter-settings.c b/clutter/clutter/clutter-settings.c deleted file mode 100644 index f3dffdbbb..000000000 --- a/clutter/clutter/clutter-settings.c +++ /dev/null @@ -1,1082 +0,0 @@ -/** - * SECTION:clutter-settings - * @Title: ClutterSettings - * @Short_Description: Settings configuration - * - * Clutter depends on some settings to perform operations like detecting - * multiple button press events, or font options to render text. - * - * Usually, Clutter will strive to use the platform's settings in order - * to be as much integrated as possible. It is, however, possible to - * change these settings on a per-application basis, by using the - * #ClutterSettings singleton object and setting its properties. It is - * also possible, for toolkit developers, to retrieve the settings from - * the #ClutterSettings properties when implementing new UI elements, - * for instance the default font name. - * - * #ClutterSettings is available since Clutter 1.4 - */ - -#include "clutter-build-config.h" - -#include "clutter-settings.h" - -#ifdef HAVE_PANGO_FT2 -/* for pango_fc_font_map_cache_clear() */ -#define PANGO_ENABLE_BACKEND -#include <pango/pangofc-fontmap.h> -#endif /* HAVE_PANGO_FT2 */ - -#include "clutter-debug.h" -#include "clutter-settings-private.h" -#include "clutter-stage-private.h" -#include "clutter-private.h" - -#include <gdesktop-enums.h> -#include <stdlib.h> - -#define DEFAULT_FONT_NAME "Sans 12" - -#define CLUTTER_SETTINGS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_SETTINGS, ClutterSettingsClass)) -#define CLUTTER_IS_SETTINGS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_SETTINGS)) -#define CLUTTER_SETTINGS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_SETTINGS, ClutterSettingsClass)) - -typedef struct -{ - cairo_antialias_t cairo_antialias; - gint clutter_font_antialias; - - cairo_hint_style_t cairo_hint_style; - const char *clutter_font_hint_style; - - cairo_subpixel_order_t cairo_subpixel_order; - const char *clutter_font_subpixel_order; -} FontSettings; - -/** - * ClutterSettings: - * - * `ClutterSettings` is an opaque structure whose - * members cannot be directly accessed. - * - * Since: 1.4 - */ -struct _ClutterSettings -{ - GObject parent_instance; - - ClutterBackend *backend; - GSettings *font_settings; - GSettings *mouse_settings; - GSettings *mouse_a11y_settings; - - gint double_click_time; - gint double_click_distance; - - gint dnd_drag_threshold; - - gdouble resolution; - - gchar *font_name; - gint font_dpi; - - gint xft_hinting; - gint xft_antialias; - gchar *xft_hint_style; - gchar *xft_rgba; - - gint long_press_duration; - - guint last_fontconfig_timestamp; - - guint password_hint_time; - - gint unscaled_font_dpi; -}; - -struct _ClutterSettingsClass -{ - GObjectClass parent_class; -}; - -enum -{ - PROP_0, - - PROP_BACKEND, - - PROP_DOUBLE_CLICK_TIME, - PROP_DOUBLE_CLICK_DISTANCE, - - PROP_DND_DRAG_THRESHOLD, - - PROP_FONT_NAME, - - PROP_FONT_ANTIALIAS, - PROP_FONT_DPI, - PROP_FONT_HINTING, - PROP_FONT_HINT_STYLE, - PROP_FONT_RGBA, - - PROP_LONG_PRESS_DURATION, - - PROP_FONTCONFIG_TIMESTAMP, - - PROP_PASSWORD_HINT_TIME, - - PROP_UNSCALED_FONT_DPI, - - PROP_LAST -}; - -static GParamSpec *obj_props[PROP_LAST]; - -G_DEFINE_TYPE (ClutterSettings, clutter_settings, G_TYPE_OBJECT); - -static inline void -settings_update_font_options (ClutterSettings *self) -{ - cairo_hint_style_t hint_style = CAIRO_HINT_STYLE_NONE; - cairo_antialias_t antialias_mode = CAIRO_ANTIALIAS_GRAY; - cairo_subpixel_order_t subpixel_order = CAIRO_SUBPIXEL_ORDER_DEFAULT; - cairo_font_options_t *options; - - if (self->backend == NULL) - return; - - options = cairo_font_options_create (); - - cairo_font_options_set_hint_metrics (options, CAIRO_HINT_METRICS_ON); - - if (self->xft_hinting >= 0 && - self->xft_hint_style == NULL) - { - hint_style = CAIRO_HINT_STYLE_NONE; - } - else if (self->xft_hint_style != NULL) - { - if (strcmp (self->xft_hint_style, "hintnone") == 0) - hint_style = CAIRO_HINT_STYLE_NONE; - else if (strcmp (self->xft_hint_style, "hintslight") == 0) - hint_style = CAIRO_HINT_STYLE_SLIGHT; - else if (strcmp (self->xft_hint_style, "hintmedium") == 0) - hint_style = CAIRO_HINT_STYLE_MEDIUM; - else if (strcmp (self->xft_hint_style, "hintfull") == 0) - hint_style = CAIRO_HINT_STYLE_FULL; - } - - cairo_font_options_set_hint_style (options, hint_style); - - if (self->xft_rgba) - { - if (strcmp (self->xft_rgba, "rgb") == 0) - subpixel_order = CAIRO_SUBPIXEL_ORDER_RGB; - else if (strcmp (self->xft_rgba, "bgr") == 0) - subpixel_order = CAIRO_SUBPIXEL_ORDER_BGR; - else if (strcmp (self->xft_rgba, "vrgb") == 0) - subpixel_order = CAIRO_SUBPIXEL_ORDER_VRGB; - else if (strcmp (self->xft_rgba, "vbgr") == 0) - subpixel_order = CAIRO_SUBPIXEL_ORDER_VBGR; - } - - cairo_font_options_set_subpixel_order (options, subpixel_order); - - if (self->xft_antialias >= 0 && !self->xft_antialias) - antialias_mode = CAIRO_ANTIALIAS_NONE; - else if (subpixel_order != CAIRO_SUBPIXEL_ORDER_DEFAULT) - antialias_mode = CAIRO_ANTIALIAS_SUBPIXEL; - else if (self->xft_antialias >= 0) - antialias_mode = CAIRO_ANTIALIAS_GRAY; - - cairo_font_options_set_antialias (options, antialias_mode); - - CLUTTER_NOTE (BACKEND, "New font options:\n" - " - font-name: %s\n" - " - antialias: %d\n" - " - hinting: %d\n" - " - hint-style: %s\n" - " - rgba: %s\n", - self->font_name != NULL ? self->font_name : DEFAULT_FONT_NAME, - self->xft_antialias, - self->xft_hinting, - self->xft_hint_style != NULL ? self->xft_hint_style : "<null>", - self->xft_rgba != NULL ? self->xft_rgba : "<null>"); - - clutter_backend_set_font_options (self->backend, options); - cairo_font_options_destroy (options); -} - -static void -settings_update_font_name (ClutterSettings *self) -{ - CLUTTER_NOTE (BACKEND, "New font-name: %s", self->font_name); - - if (self->backend != NULL) - g_signal_emit_by_name (self->backend, "font-changed"); -} - -static void -settings_update_resolution (ClutterSettings *self) -{ - const char *scale_env = NULL; - - if (self->font_dpi > 0) - self->resolution = (gdouble) self->font_dpi / 1024.0; - else - self->resolution = 96.0; - - scale_env = g_getenv ("GDK_DPI_SCALE"); - if (scale_env != NULL) - { - double scale = g_ascii_strtod (scale_env, NULL); - if (scale != 0 && self->resolution > 0) - self->resolution *= scale; - } - - CLUTTER_NOTE (BACKEND, "New resolution: %.2f (%s)", - self->resolution, - self->unscaled_font_dpi > 0 ? "unscaled" : "scaled"); - - if (self->backend != NULL) - g_signal_emit_by_name (self->backend, "resolution-changed"); -} - -static void -settings_update_fontmap (ClutterSettings *self, - guint stamp) -{ - if (self->backend == NULL) - return; - -#ifdef HAVE_PANGO_FT2 - CLUTTER_NOTE (BACKEND, "Update fontmaps (stamp: %d)", stamp); - - if (self->last_fontconfig_timestamp != stamp) - { - ClutterMainContext *context; - gboolean update_needed = FALSE; - - context = _clutter_context_get_default (); - - /* If there is no font map yet then we don't need to do anything - * because the config for fontconfig will be read when it is - * created */ - if (context->font_map) - { - PangoFontMap *fontmap = PANGO_FONT_MAP (context->font_map); - - if (PANGO_IS_FC_FONT_MAP (fontmap) && - !FcConfigUptoDate (NULL)) - { - pango_fc_font_map_cache_clear (PANGO_FC_FONT_MAP (fontmap)); - - if (FcInitReinitialize ()) - update_needed = TRUE; - } - } - - self->last_fontconfig_timestamp = stamp; - - if (update_needed) - g_signal_emit_by_name (self->backend, "font-changed"); - } -#endif /* HAVE_PANGO_FT2 */ -} - -static void -get_font_gsettings (GSettings *settings, - FontSettings *output) -{ - /* org.gnome.desktop.GDesktopFontAntialiasingMode */ - static const struct - { - cairo_antialias_t cairo_antialias; - gint clutter_font_antialias; - } - antialiasings[] = - { - /* none=0 */ {CAIRO_ANTIALIAS_NONE, 0}, - /* grayscale=1 */ {CAIRO_ANTIALIAS_GRAY, 1}, - /* rgba=2 */ {CAIRO_ANTIALIAS_SUBPIXEL, 1}, - }; - - /* org.gnome.desktop.GDesktopFontHinting */ - static const struct - { - cairo_hint_style_t cairo_hint_style; - const char *clutter_font_hint_style; - } - hintings[] = - { - /* none=0 */ {CAIRO_HINT_STYLE_NONE, "hintnone"}, - /* slight=1 */ {CAIRO_HINT_STYLE_SLIGHT, "hintslight"}, - /* medium=2 */ {CAIRO_HINT_STYLE_MEDIUM, "hintmedium"}, - /* full=3 */ {CAIRO_HINT_STYLE_FULL, "hintfull"}, - }; - - /* org.gnome.desktop.GDesktopFontRgbaOrder */ - static const struct - { - cairo_subpixel_order_t cairo_subpixel_order; - const char *clutter_font_subpixel_order; - } - rgba_orders[] = - { - /* rgba=0 */ {CAIRO_SUBPIXEL_ORDER_RGB, "rgb"}, /* XXX what is 'rgba'? */ - /* rgb=1 */ {CAIRO_SUBPIXEL_ORDER_RGB, "rgb"}, - /* bgr=2 */ {CAIRO_SUBPIXEL_ORDER_BGR, "bgr"}, - /* vrgb=3 */ {CAIRO_SUBPIXEL_ORDER_VRGB, "vrgb"}, - /* vbgr=4 */ {CAIRO_SUBPIXEL_ORDER_VBGR, "vbgr"}, - }; - guint i; - - i = g_settings_get_enum (settings, "font-hinting"); - if (i < G_N_ELEMENTS (hintings)) - { - output->cairo_hint_style = hintings[i].cairo_hint_style; - output->clutter_font_hint_style = hintings[i].clutter_font_hint_style; - } - else - { - output->cairo_hint_style = CAIRO_HINT_STYLE_DEFAULT; - output->clutter_font_hint_style = NULL; - } - - i = g_settings_get_enum (settings, "font-antialiasing"); - if (i < G_N_ELEMENTS (antialiasings)) - { - output->cairo_antialias = antialiasings[i].cairo_antialias; - output->clutter_font_antialias = antialiasings[i].clutter_font_antialias; - } - else - { - output->cairo_antialias = CAIRO_ANTIALIAS_DEFAULT; - output->clutter_font_antialias = -1; - } - - i = g_settings_get_enum (settings, "font-rgba-order"); - if (i < G_N_ELEMENTS (rgba_orders)) - { - output->cairo_subpixel_order = rgba_orders[i].cairo_subpixel_order; - output->clutter_font_subpixel_order = rgba_orders[i].clutter_font_subpixel_order; - } - else - { - output->cairo_subpixel_order = CAIRO_SUBPIXEL_ORDER_DEFAULT; - output->clutter_font_subpixel_order = NULL; - } - - if (output->cairo_antialias == CAIRO_ANTIALIAS_GRAY) - output->clutter_font_subpixel_order = "none"; -} - -static void -init_font_options (ClutterSettings *self) -{ - GSettings *settings = self->font_settings; - cairo_font_options_t *options = cairo_font_options_create (); - FontSettings fs; - - get_font_gsettings (settings, &fs); - - cairo_font_options_set_hint_style (options, fs.cairo_hint_style); - cairo_font_options_set_antialias (options, fs.cairo_antialias); - cairo_font_options_set_subpixel_order (options, fs.cairo_subpixel_order); - - clutter_backend_set_font_options (self->backend, options); - - cairo_font_options_destroy (options); -} - -static void -sync_mouse_options (ClutterSettings *self) -{ - int double_click; - int drag_threshold; - - double_click = g_settings_get_int (self->mouse_settings, "double-click"); - drag_threshold = g_settings_get_int (self->mouse_settings, "drag-threshold"); - - g_object_set (self, - "double-click-time", double_click, - "dnd-drag-threshold", drag_threshold, - NULL); -} - -static gboolean -on_font_settings_change_event (GSettings *settings, - gpointer keys, - gint n_keys, - gpointer user_data) -{ - ClutterSettings *self = CLUTTER_SETTINGS (user_data); - FontSettings fs; - gint hinting; - - get_font_gsettings (settings, &fs); - hinting = fs.cairo_hint_style == CAIRO_HINT_STYLE_NONE ? 0 : 1; - g_object_set (self, - "font-hinting", hinting, - "font-hint-style", fs.clutter_font_hint_style, - "font-antialias", fs.clutter_font_antialias, - "font-subpixel-order", fs.clutter_font_subpixel_order, - NULL); - - return FALSE; -} - -static gboolean -on_mouse_settings_change_event (GSettings *settings, - gpointer keys, - gint n_keys, - gpointer user_data) -{ - ClutterSettings *self = CLUTTER_SETTINGS (user_data); - - sync_mouse_options (self); - - return FALSE; -} - -struct _pointer_a11y_settings_flags_pair { - const char *name; - ClutterPointerA11yFlags flag; -} pointer_a11y_settings_flags_pair[] = { - { "secondary-click-enabled", CLUTTER_A11Y_SECONDARY_CLICK_ENABLED }, - { "dwell-click-enabled", CLUTTER_A11Y_DWELL_ENABLED }, -}; - -static ClutterPointerA11yDwellDirection -pointer_a11y_dwell_direction_from_setting (ClutterSettings *self, - const char *key) -{ - GDesktopMouseDwellDirection dwell_gesture_direction; - - dwell_gesture_direction = g_settings_get_enum (self->mouse_a11y_settings, - key); - switch (dwell_gesture_direction) - { - case G_DESKTOP_MOUSE_DWELL_DIRECTION_LEFT: - return CLUTTER_A11Y_DWELL_DIRECTION_LEFT; - break; - case G_DESKTOP_MOUSE_DWELL_DIRECTION_RIGHT: - return CLUTTER_A11Y_DWELL_DIRECTION_RIGHT; - break; - case G_DESKTOP_MOUSE_DWELL_DIRECTION_UP: - return CLUTTER_A11Y_DWELL_DIRECTION_UP; - break; - case G_DESKTOP_MOUSE_DWELL_DIRECTION_DOWN: - return CLUTTER_A11Y_DWELL_DIRECTION_DOWN; - break; - default: - break; - } - return CLUTTER_A11Y_DWELL_DIRECTION_NONE; -} - -static void -sync_pointer_a11y_settings (ClutterSettings *self, - ClutterSeat *seat) -{ - ClutterPointerA11ySettings pointer_a11y_settings; - GDesktopMouseDwellMode dwell_mode; - int i; - - clutter_seat_get_pointer_a11y_settings (seat, &pointer_a11y_settings); - pointer_a11y_settings.controls = 0; - for (i = 0; i < G_N_ELEMENTS (pointer_a11y_settings_flags_pair); i++) - { - if (!g_settings_get_boolean (self->mouse_a11y_settings, - pointer_a11y_settings_flags_pair[i].name)) - continue; - - pointer_a11y_settings.controls |= - pointer_a11y_settings_flags_pair[i].flag; - } - - /* "secondary-click-time" is expressed in seconds */ - pointer_a11y_settings.secondary_click_delay = - (1000 * g_settings_get_double (self->mouse_a11y_settings, - "secondary-click-time")); - /* "dwell-time" is expressed in seconds */ - pointer_a11y_settings.dwell_delay = - (1000 * g_settings_get_double (self->mouse_a11y_settings, "dwell-time")); - pointer_a11y_settings.dwell_threshold = - g_settings_get_int (self->mouse_a11y_settings, "dwell-threshold"); - - dwell_mode = g_settings_get_enum (self->mouse_a11y_settings, "dwell-mode"); - if (dwell_mode == G_DESKTOP_MOUSE_DWELL_MODE_WINDOW) - pointer_a11y_settings.dwell_mode = CLUTTER_A11Y_DWELL_MODE_WINDOW; - else - pointer_a11y_settings.dwell_mode = CLUTTER_A11Y_DWELL_MODE_GESTURE; - - pointer_a11y_settings.dwell_gesture_single = - pointer_a11y_dwell_direction_from_setting (self, "dwell-gesture-single"); - pointer_a11y_settings.dwell_gesture_double = - pointer_a11y_dwell_direction_from_setting (self, "dwell-gesture-double"); - pointer_a11y_settings.dwell_gesture_drag = - pointer_a11y_dwell_direction_from_setting (self, "dwell-gesture-drag"); - pointer_a11y_settings.dwell_gesture_secondary = - pointer_a11y_dwell_direction_from_setting (self, "dwell-gesture-secondary"); - - clutter_seat_set_pointer_a11y_settings (seat, &pointer_a11y_settings); -} - -static gboolean -on_mouse_a11y_settings_change_event (GSettings *settings, - gpointer keys, - int n_keys, - gpointer user_data) -{ - ClutterSettings *self = CLUTTER_SETTINGS (user_data); - ClutterSeat *seat = clutter_backend_get_default_seat (self->backend); - - sync_pointer_a11y_settings (self, seat); - - return FALSE; -} - -static void -load_initial_settings (ClutterSettings *self) -{ - static const gchar *font_settings_path = "org.gnome.desktop.interface"; - static const gchar *mouse_settings_path = "org.gnome.desktop.peripherals.mouse"; - static const char *mouse_a11y_settings_path = "org.gnome.desktop.a11y.mouse"; - GSettingsSchemaSource *source = g_settings_schema_source_get_default (); - GSettingsSchema *schema; - - schema = g_settings_schema_source_lookup (source, font_settings_path, TRUE); - if (!schema) - { - g_warning ("Failed to find schema: %s", font_settings_path); - } - else - { - self->font_settings = g_settings_new_full (schema, NULL, NULL); - if (self->font_settings) - { - init_font_options (self); - g_signal_connect (self->font_settings, "change-event", - G_CALLBACK (on_font_settings_change_event), - self); - } - } - - schema = g_settings_schema_source_lookup (source, mouse_settings_path, TRUE); - if (!schema) - { - g_warning ("Failed to find schema: %s", mouse_settings_path); - } - else - { - self->mouse_settings = g_settings_new_full (schema, NULL, NULL); - if (self->mouse_settings) - { - sync_mouse_options (self); - g_signal_connect (self->mouse_settings, "change-event", - G_CALLBACK (on_mouse_settings_change_event), - self); - } - } - - schema = g_settings_schema_source_lookup (source, mouse_a11y_settings_path, TRUE); - if (!schema) - { - g_warning ("Failed to find schema: %s", mouse_settings_path); - } - else - { - self->mouse_a11y_settings = g_settings_new_full (schema, NULL, NULL); - g_signal_connect (self->mouse_a11y_settings, "change-event", - G_CALLBACK (on_mouse_a11y_settings_change_event), - self); - } -} - -static void -clutter_settings_finalize (GObject *gobject) -{ - ClutterSettings *self = CLUTTER_SETTINGS (gobject); - - g_free (self->font_name); - g_free (self->xft_hint_style); - g_free (self->xft_rgba); - - g_clear_object (&self->font_settings); - g_clear_object (&self->mouse_settings); - g_clear_object (&self->mouse_a11y_settings); - - G_OBJECT_CLASS (clutter_settings_parent_class)->finalize (gobject); -} - -static void -clutter_settings_set_property (GObject *gobject, - guint prop_id, - const GValue *value, - GParamSpec *pspec) -{ - ClutterSettings *self = CLUTTER_SETTINGS (gobject); - - switch (prop_id) - { - case PROP_BACKEND: - self->backend = g_value_get_object (value); - break; - - case PROP_DOUBLE_CLICK_TIME: - self->double_click_time = g_value_get_int (value); - break; - - case PROP_DOUBLE_CLICK_DISTANCE: - self->double_click_distance = g_value_get_int (value); - break; - - case PROP_DND_DRAG_THRESHOLD: - self->dnd_drag_threshold = g_value_get_int (value); - break; - - case PROP_FONT_NAME: - g_free (self->font_name); - self->font_name = g_value_dup_string (value); - settings_update_font_name (self); - break; - - case PROP_FONT_ANTIALIAS: - self->xft_antialias = g_value_get_int (value); - settings_update_font_options (self); - break; - - case PROP_FONT_DPI: - self->font_dpi = g_value_get_int (value); - settings_update_resolution (self); - break; - - case PROP_FONT_HINTING: - self->xft_hinting = g_value_get_int (value); - settings_update_font_options (self); - break; - - case PROP_FONT_HINT_STYLE: - g_free (self->xft_hint_style); - self->xft_hint_style = g_value_dup_string (value); - settings_update_font_options (self); - break; - - case PROP_FONT_RGBA: - g_free (self->xft_rgba); - self->xft_rgba = g_value_dup_string (value); - settings_update_font_options (self); - break; - - case PROP_LONG_PRESS_DURATION: - self->long_press_duration = g_value_get_int (value); - break; - - case PROP_FONTCONFIG_TIMESTAMP: - settings_update_fontmap (self, g_value_get_uint (value)); - break; - - case PROP_PASSWORD_HINT_TIME: - self->password_hint_time = g_value_get_uint (value); - break; - - case PROP_UNSCALED_FONT_DPI: - self->font_dpi = g_value_get_int (value); - settings_update_resolution (self); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec); - break; - } -} - -void -clutter_settings_set_property_internal (ClutterSettings *self, - const char *property, - GValue *value) -{ - - property = g_intern_string (property); - - g_object_set_property (G_OBJECT (self), property, value); -} - -static void -clutter_settings_get_property (GObject *gobject, - guint prop_id, - GValue *value, - GParamSpec *pspec) -{ - ClutterSettings *self = CLUTTER_SETTINGS (gobject); - - switch (prop_id) - { - case PROP_DOUBLE_CLICK_TIME: - g_value_set_int (value, self->double_click_time); - break; - - case PROP_DOUBLE_CLICK_DISTANCE: - g_value_set_int (value, self->double_click_distance); - break; - - case PROP_DND_DRAG_THRESHOLD: - g_value_set_int (value, self->dnd_drag_threshold); - break; - - case PROP_FONT_NAME: - g_value_set_string (value, self->font_name); - break; - - case PROP_FONT_ANTIALIAS: - g_value_set_int (value, self->xft_antialias); - break; - - case PROP_FONT_DPI: - g_value_set_int (value, self->resolution * 1024); - break; - - case PROP_FONT_HINTING: - g_value_set_int (value, self->xft_hinting); - break; - - case PROP_FONT_HINT_STYLE: - g_value_set_string (value, self->xft_hint_style); - break; - - case PROP_FONT_RGBA: - g_value_set_string (value, self->xft_rgba); - break; - - case PROP_LONG_PRESS_DURATION: - g_value_set_int (value, self->long_press_duration); - break; - - case PROP_PASSWORD_HINT_TIME: - g_value_set_uint (value, self->password_hint_time); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec); - break; - } -} - -static void -clutter_settings_dispatch_properties_changed (GObject *gobject, - guint n_pspecs, - GParamSpec **pspecs) -{ - ClutterSettings *self = CLUTTER_SETTINGS (gobject); - GObjectClass *klass; - - /* chain up to emit ::notify */ - klass = G_OBJECT_CLASS (clutter_settings_parent_class); - klass->dispatch_properties_changed (gobject, n_pspecs, pspecs); - - /* emit settings-changed just once for multiple properties */ - if (self->backend != NULL) - g_signal_emit_by_name (self->backend, "settings-changed"); -} - -static void -clutter_settings_class_init (ClutterSettingsClass *klass) -{ - GObjectClass *gobject_class = G_OBJECT_CLASS (klass); - - /** - * ClutterSettings:backend: - * - * A back pointer to the #ClutterBackend - * - * Since: 1.4 - * - * Deprecated: 1.10 - */ - obj_props[PROP_BACKEND] = - g_param_spec_object ("backend", - "Backend", - "A pointer to the backend", - CLUTTER_TYPE_BACKEND, - CLUTTER_PARAM_WRITABLE | - G_PARAM_DEPRECATED | - G_PARAM_CONSTRUCT_ONLY); - - /** - * ClutterSettings:double-click-time: - * - * The time, in milliseconds, that should elapse between button-press - * events in order to increase the click count by 1. - * - * Since: 1.4 - */ - obj_props[PROP_DOUBLE_CLICK_TIME] = - g_param_spec_int ("double-click-time", - P_("Double Click Time"), - P_("The time between clicks necessary to detect a multiple click"), - 0, G_MAXINT, - 250, - CLUTTER_PARAM_READWRITE); - - /** - * ClutterSettings:double-click-distance: - * - * The maximum distance, in pixels, between button-press events that - * determines whether or not to increase the click count by 1. - * - * Since: 1.4 - */ - obj_props[PROP_DOUBLE_CLICK_DISTANCE] = - g_param_spec_int ("double-click-distance", - P_("Double Click Distance"), - P_("The distance between clicks necessary to detect a multiple click"), - 0, G_MAXINT, - 5, - CLUTTER_PARAM_READWRITE); - - /** - * ClutterSettings:dnd-drag-threshold: - * - * The default distance that the cursor of a pointer device - * should travel before a drag operation should start. - * - * Since: 1.8 - */ - obj_props[PROP_DND_DRAG_THRESHOLD] = - g_param_spec_int ("dnd-drag-threshold", - P_("Drag Threshold"), - P_("The distance the cursor should travel before starting to drag"), - 1, G_MAXINT, - 8, - CLUTTER_PARAM_READWRITE); - - /** - * ClutterSettings:font-name: - * - * The default font name that should be used by text actors, as - * a string that can be passed to pango_font_description_from_string(). - * - * Since: 1.4 - */ - obj_props[PROP_FONT_NAME] = - g_param_spec_string ("font-name", - P_("Font Name"), - P_("The description of the default font, as one that could be parsed by Pango"), - NULL, - CLUTTER_PARAM_READWRITE); - - /** - * ClutterSettings:font-antialias: - * - * Whether or not to use antialiasing when rendering text; a value - * of 1 enables it unconditionally; a value of 0 disables it - * unconditionally; and -1 will use the system's default. - * - * Since: 1.4 - */ - obj_props[PROP_FONT_ANTIALIAS] = - g_param_spec_int ("font-antialias", - P_("Font Antialias"), - P_("Whether to use antialiasing (1 to enable, 0 to disable, and -1 to use the default)"), - -1, 1, - -1, - CLUTTER_PARAM_READWRITE); - - /** - * ClutterSettings:font-dpi: - * - * The DPI used when rendering text, as a value of 1024 * dots/inch. - * - * If set to -1, the system's default will be used instead - * - * Since: 1.4 - */ - obj_props[PROP_FONT_DPI] = - g_param_spec_int ("font-dpi", - P_("Font DPI"), - P_("The resolution of the font, in 1024 * dots/inch, or -1 to use the default"), - -1, 1024 * 1024, - -1, - CLUTTER_PARAM_READWRITE); - - obj_props[PROP_UNSCALED_FONT_DPI] = - g_param_spec_int ("unscaled-font-dpi", - P_("Font DPI"), - P_("The resolution of the font, in 1024 * dots/inch, or -1 to use the default"), - -1, 1024 * 1024, - -1, - CLUTTER_PARAM_WRITABLE); - - /** - * ClutterSettings:font-hinting: - * - * Whether or not to use hinting when rendering text; a value of 1 - * unconditionally enables it; a value of 0 unconditionally disables - * it; and a value of -1 will use the system's default. - * - * Since: 1.4 - */ - obj_props[PROP_FONT_HINTING] = - g_param_spec_int ("font-hinting", - P_("Font Hinting"), - P_("Whether to use hinting (1 to enable, 0 to disable and -1 to use the default)"), - -1, 1, - -1, - CLUTTER_PARAM_READWRITE); - - /** - * ClutterSettings:font-hint-style: - * - * The style of the hinting used when rendering text. Valid values - * are: - * - * - hintnone - * - hintslight - * - hintmedium - * - hintfull - * - * Since: 1.4 - */ - obj_props[PROP_FONT_HINT_STYLE] = - g_param_spec_string ("font-hint-style", - P_("Font Hint Style"), - P_("The style of hinting (hintnone, hintslight, hintmedium, hintfull)"), - NULL, - CLUTTER_PARAM_READWRITE); - - /** - * ClutterSettings:font-subpixel-order: - * - * The type of sub-pixel antialiasing used when rendering text. Valid - * values are: - * - * - none - * - rgb - * - bgr - * - vrgb - * - vbgr - * - * Since: 1.4 - */ - obj_props[PROP_FONT_RGBA] = - g_param_spec_string ("font-subpixel-order", - P_("Font Subpixel Order"), - P_("The type of subpixel antialiasing (none, rgb, bgr, vrgb, vbgr)"), - NULL, - CLUTTER_PARAM_READWRITE); - - /** - * ClutterSettings:long-press-duration: - * - * Sets the minimum duration for a press to be recognized as a long press - * gesture. The duration is expressed in milliseconds. - * - * See also #ClutterClickAction:long-press-duration. - * - * Since: 1.8 - */ - obj_props[PROP_LONG_PRESS_DURATION] = - g_param_spec_int ("long-press-duration", - P_("Long Press Duration"), - P_("The minimum duration for a long press gesture to be recognized"), - 0, G_MAXINT, - 500, - CLUTTER_PARAM_READWRITE); - - obj_props[PROP_FONTCONFIG_TIMESTAMP] = - g_param_spec_uint ("fontconfig-timestamp", - P_("Fontconfig configuration timestamp"), - P_("Timestamp of the current fontconfig configuration"), - 0, G_MAXUINT, - 0, - CLUTTER_PARAM_WRITABLE); - - /** - * ClutterText:password-hint-time: - * - * How long should Clutter show the last input character in editable - * ClutterText actors. The value is in milliseconds. A value of 0 - * disables showing the password hint. 600 is a good value for - * enabling the hint. - * - * Since: 1.10 - */ - obj_props[PROP_PASSWORD_HINT_TIME] = - g_param_spec_uint ("password-hint-time", - P_("Password Hint Time"), - P_("How long to show the last input character in hidden entries"), - 0, G_MAXUINT, - 0, - CLUTTER_PARAM_READWRITE); - - gobject_class->set_property = clutter_settings_set_property; - gobject_class->get_property = clutter_settings_get_property; - gobject_class->dispatch_properties_changed = - clutter_settings_dispatch_properties_changed; - gobject_class->finalize = clutter_settings_finalize; - g_object_class_install_properties (gobject_class, PROP_LAST, obj_props); -} - -static void -clutter_settings_init (ClutterSettings *self) -{ - self->resolution = -1.0; - - self->font_dpi = -1; - self->unscaled_font_dpi = -1; - - self->double_click_time = 250; - self->double_click_distance = 5; - - self->dnd_drag_threshold = 8; - - self->font_name = g_strdup (DEFAULT_FONT_NAME); - - self->xft_antialias = -1; - self->xft_hinting = -1; - self->xft_hint_style = NULL; - self->xft_rgba = NULL; - - self->long_press_duration = 500; -} - -/** - * clutter_settings_get_default: - * - * Retrieves the singleton instance of #ClutterSettings - * - * Return value: (transfer none): the instance of #ClutterSettings. The - * returned object is owned by Clutter and it should not be unreferenced - * directly - * - * Since: 1.4 - */ -ClutterSettings * -clutter_settings_get_default (void) -{ - static ClutterSettings *settings = NULL; - - if (G_UNLIKELY (settings == NULL)) - settings = g_object_new (CLUTTER_TYPE_SETTINGS, NULL); - - return settings; -} - -void -_clutter_settings_set_backend (ClutterSettings *settings, - ClutterBackend *backend) -{ - g_assert (CLUTTER_IS_SETTINGS (settings)); - g_assert (CLUTTER_IS_BACKEND (backend)); - - settings->backend = backend; - - load_initial_settings (settings); -} - -void -clutter_settings_ensure_pointer_a11y_settings (ClutterSettings *settings, - ClutterSeat *seat) -{ - sync_pointer_a11y_settings (settings, seat); -} |