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widget-factory: Add an entry with error state

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Enter the wrong thing into the age entry for seeing
error states.
This commit is contained in:
Matthias Clasen 2020-08-12 13:26:46 -04:00
parent dbc6a94daf
commit 94696490dc
1 changed files with 26 additions and 0 deletions
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26
demos/widget-factory/widget-factory.c
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@ -1853,6 +1853,31 @@ set_up_context_popover (GtkWidget *widget,
gtk_widget_add_controller (widget, GTK_EVENT_CONTROLLER (gesture)); gtk_widget_add_controller (widget, GTK_EVENT_CONTROLLER (gesture));
} }
static void
age_entry_changed (GtkEntry *entry,
GParamSpec *pspec,
gpointer data)
{
const char *text;
guint64 age;
GError *error = NULL;
text = gtk_editable_get_text (GTK_EDITABLE (entry));
if (strlen (text) > 0 &&
!g_ascii_string_to_unsigned (text, 10, 16, 666, &age, &error))
{
gtk_widget_set_tooltip_text (GTK_WIDGET (entry), error->message);
gtk_widget_add_css_class (GTK_WIDGET (entry), "error");
g_error_free (error);
}
else
{
gtk_widget_set_tooltip_text (GTK_WIDGET (entry), "");
gtk_widget_remove_css_class (GTK_WIDGET (entry), "error");
}
}
static void static void
activate (GApplication *app) activate (GApplication *app)
{ {
@ -1933,6 +1958,7 @@ activate (GApplication *app)
"decrease_icon_size", (GCallback)decrease_icon_size, "decrease_icon_size", (GCallback)decrease_icon_size,
"reset_icon_size", (GCallback)reset_icon_size, "reset_icon_size", (GCallback)reset_icon_size,
"osd_frame_pressed", (GCallback)osd_frame_pressed, "osd_frame_pressed", (GCallback)osd_frame_pressed,
"age_entry_changed", (GCallback)age_entry_changed,
NULL); NULL);
gtk_builder_set_scope (builder, scope); gtk_builder_set_scope (builder, scope);
g_object_unref (scope); g_object_unref (scope);