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image: Invalidate icon helper when icon theme changes

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This is necessary to drop the cached image.
This commit is contained in:
Matthias Clasen 2020-04-21 12:11:15 -04:00
parent a59cb5dfa6
commit 679863af4f
1 changed files with 15 additions and 0 deletions
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15
gtk/gtkimage.c
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@ -110,6 +110,8 @@ static void gtk_image_measure (GtkWidget *widget,
static void gtk_image_css_changed (GtkWidget *widget,
GtkCssStyleChange *change);
static void gtk_image_system_setting_changed (GtkWidget *widget,
GtkSystemSetting seting);
static void gtk_image_finalize (GObject *object);
static void gtk_image_set_property (GObject *object,
@ -157,6 +159,7 @@ gtk_image_class_init (GtkImageClass *class)
widget_class->measure = gtk_image_measure;
widget_class->unrealize = gtk_image_unrealize;
widget_class->css_changed = gtk_image_css_changed;
widget_class->system_setting_changed = gtk_image_system_setting_changed;
widget_class->grab_focus = gtk_widget_grab_focus_none;
widget_class->focus = gtk_widget_focus_none;
@ -1264,6 +1267,18 @@ gtk_image_css_changed (GtkWidget *widget,
image->baseline_align = 0.0;
}
static void
gtk_image_system_setting_changed (GtkWidget *widget,
GtkSystemSetting setting)
{
GtkImage *image = GTK_IMAGE (widget);
if (setting == GTK_SYSTEM_SETTING_ICON_THEME)
gtk_icon_helper_invalidate (image->icon_helper);
GTK_WIDGET_CLASS (gtk_image_parent_class)->system_setting_changed (widget, setting);
}
/**
* gtk_image_set_pixel_size:
* @image: a #GtkImage