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wayland: Don't pre-multiply root cursor sizes with primary monitor scale

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We cannot use the XSETTINGS value for cursor theme size because
gnome-settings-daemon already multiplies it by the primary monitor's
scale.

https://bugzilla.gnome.org/show_bug.cgi?id=755099
This commit is contained in:
Jonas Ådahl 2015-09-16 15:47:31 +08:00
parent e84f694668
commit 130807a308
1 changed files with 55 additions and 9 deletions
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64
src/core/prefs.c
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@ -96,6 +96,10 @@ static gboolean bell_is_audible = TRUE;
static gboolean gnome_accessibility = FALSE;
static gboolean gnome_animations = TRUE;
static char *cursor_theme = NULL;
/* cursor_size will, when running as an X11 compositing window manager, be the
* actual cursor size, multiplied with the global window scaling factor. On
* Wayland, it will be the actual cursor size retrieved from gsettings.
*/
static int cursor_size = 24;
static int draggable_border_width = 10;
static int drag_threshold;
@ -123,6 +127,9 @@ static gboolean update_binding (MetaKeyPref *binding,
static gboolean update_key_binding (const char *key,
gchar **strokes);
static void wayland_settings_changed (GSettings *settings,
gchar *key,
gpointer data);
static void settings_changed (GSettings *settings,
gchar *key,
gpointer data);
@ -134,9 +141,10 @@ static void shell_shows_app_menu_changed (GtkSettings *settings,
GParamSpec *pspec,
gpointer data);
static void update_cursor_size (GtkSettings *settings,
GParamSpec *pspec,
gpointer data);
static void update_cursor_size_from_gtk (GtkSettings *settings,
GParamSpec *pspec,
gpointer data);
static void update_cursor_size (void);
static void queue_changed (MetaPreference pref);
@ -963,14 +971,18 @@ meta_prefs_init (void)
G_CALLBACK (settings_changed), NULL);
g_signal_connect (settings, "changed::" KEY_GNOME_CURSOR_THEME,
G_CALLBACK (settings_changed), NULL);
if (meta_is_wayland_compositor ())
g_signal_connect (settings, "changed::cursor-size",
G_CALLBACK (wayland_settings_changed), NULL);
g_hash_table_insert (settings_schemas, g_strdup (SCHEMA_INTERFACE), settings);
g_signal_connect (gtk_settings_get_default (),
"notify::gtk-shell-shows-app-menu",
G_CALLBACK (shell_shows_app_menu_changed), NULL);
g_signal_connect (gtk_settings_get_default (), "notify::gtk-cursor-theme-size",
G_CALLBACK (update_cursor_size), NULL);
if (!meta_is_wayland_compositor ())
g_signal_connect (gtk_settings_get_default (), "notify::gtk-cursor-theme-size",
G_CALLBACK (update_cursor_size_from_gtk), NULL);
settings = g_settings_new (SCHEMA_INPUT_SOURCES);
g_signal_connect (settings, "changed::" KEY_XKB_OPTIONS,
@ -992,7 +1004,7 @@ meta_prefs_init (void)
handle_preference_init_string_array ();
handle_preference_init_int ();
update_cursor_size (gtk_settings_get_default (), NULL, NULL);
update_cursor_size ();
shell_shows_app_menu_changed (gtk_settings_get_default (), NULL, NULL);
init_bindings ();
@ -1133,6 +1145,20 @@ meta_prefs_override_preference_schema (const char *key, const char *schema)
/****************************************************************************/
static void
wayland_settings_changed (GSettings *settings,
gchar *key,
gpointer data)
{
GVariant *value = g_settings_get_value (settings, key);
const GVariantType *type = g_variant_get_type (value);
g_return_if_fail (g_variant_type_equal (type, G_VARIANT_TYPE_INT32));
g_return_if_fail (g_str_equal (key, "cursor-size"));
update_cursor_size ();
}
static void
settings_changed (GSettings *settings,
gchar *key,
@ -1216,9 +1242,29 @@ shell_shows_app_menu_changed (GtkSettings *settings,
}
static void
update_cursor_size (GtkSettings *settings,
GParamSpec *pspec,
gpointer data)
update_cursor_size (void)
{
if (meta_is_wayland_compositor ())
{
/* When running as a Wayland compositor, since we size of the cursor
* depends on what output it is on, we cannot use the GTK+
* "gtk-cursor-theme-size" setting because it has already been multiplied
* by the primary monitor scale. So, instead get the non-premultiplied
* cursor size value directly from gsettings instead.
*/
cursor_size =
g_settings_get_int (SETTINGS (SCHEMA_INTERFACE), "cursor-size");
}
else
{
update_cursor_size_from_gtk (gtk_settings_get_default (), NULL, NULL);
}
}
static void
update_cursor_size_from_gtk (GtkSettings *settings,
GParamSpec *pspec,
gpointer data)
{
GdkScreen *screen = gdk_screen_get_default ();
GValue value = G_VALUE_INIT;