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settings: Avoid a crash

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Christian Hergert reported seeing webkit crashes with recent
GTK+. The stacktrace points at the CSS machinery calling into
GtkSettings to get the font name, and then getting surprised
by a property notification that triggers style validation.

To avoid this, query the font name xsetting right away when
we get set a screen.
This commit is contained in:
Matthias Clasen 2016-05-05 13:30:55 -04:00
parent c14572fdae
commit fe7be14db8
1 changed files with 7 additions and 5 deletions
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12
gtk/gtksettings.c
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@ -251,13 +251,14 @@ static void settings_update_modules (GtkSettings *setting
static void settings_update_cursor_theme (GtkSettings *settings);
static void settings_update_resolution (GtkSettings *settings);
static void settings_update_font_options (GtkSettings *settings);
static void settings_update_font_values (GtkSettings *settings);
static void settings_update_font_name (GtkSettings *settings);
static gboolean settings_update_fontconfig (GtkSettings *settings);
static void settings_update_theme (GtkSettings *settings);
static void settings_update_key_theme (GtkSettings *settings);
static gboolean settings_update_xsetting (GtkSettings *settings,
GParamSpec *pspec,
gboolean force);
static void settings_update_font_values (GtkSettings *settings);
static void gtk_settings_load_from_key_file (GtkSettings *settings,
const gchar *path,
@ -1920,6 +1921,7 @@ gtk_settings_get_for_screen (GdkScreen *screen)
settings_update_cursor_theme (settings);
settings_update_resolution (settings);
settings_update_font_options (settings);
settings_update_font_name (settings);
}
return settings;
@ -3562,7 +3564,7 @@ gtk_settings_get_dnd_drag_threshold (GtkSettings *settings)
}
static void
update_font_name (GtkSettings *settings)
settings_update_font_name (GtkSettings *settings)
{
GtkSettingsPrivate *priv = settings->priv;
GtkSettingsPropertyValue *svalue = &priv->property_values[PROP_FONT_NAME - 1];
@ -3580,7 +3582,7 @@ update_font_name (GtkSettings *settings)
const gchar *
gtk_settings_get_font_family (GtkSettings *settings)
{
update_font_name (settings);
settings_update_font_name (settings);
return settings->priv->font_family;
}
@ -3588,7 +3590,7 @@ gtk_settings_get_font_family (GtkSettings *settings)
gint
gtk_settings_get_font_size (GtkSettings *settings)
{
update_font_name (settings);
settings_update_font_name (settings);
return settings->priv->font_size;
}
@ -3596,7 +3598,7 @@ gtk_settings_get_font_size (GtkSettings *settings)
gboolean
gtk_settings_get_font_size_is_absolute (GtkSettings *settings)
{
update_font_name (settings);
settings_update_font_name (settings);
return settings->priv->font_size_absolute;
}