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date-selector: validate entries' input

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This commit is contained in:
Georges Basile Stavracas Neto
2014-12-23 12:01:39 -05:00
committed by Erick Pérez Castellanos
parent 69db4acf4c
commit 86624ce8fd
1 changed files with 58 additions and 0 deletions
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src/gcal-date-selector.c
+58
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@@ -62,6 +62,12 @@ enum
static guint signals[NUM_SIGNALS] = { 0, };
static void text_inserted (GtkEditable *editable,
gchar *new_text,
gint new_text_length,
gint *position,
gpointer user_data);
static void set_date (GcalDateSelector *selector,
gint day,
gint month,
@@ -71,6 +77,54 @@ static void gcal_date_selector_constructed (GObject
G_DEFINE_TYPE_WITH_PRIVATE (GcalDateSelector, gcal_date_selector, GTK_TYPE_TOGGLE_BUTTON);
static void
text_inserted (GtkEditable *editable,
gchar *new_text,
gint new_text_length,
gint *position,
gpointer user_data)
{
GtkEntryBuffer *buffer;
gchar* new_label;
gint i;
gint current_length, max_length;
gboolean valid;
valid = TRUE;
buffer = gtk_entry_get_buffer (GTK_ENTRY (editable));
current_length = gtk_entry_buffer_get_length (buffer);
max_length = gtk_entry_get_max_length (GTK_ENTRY (editable));
/* honor max length property */
if (current_length + new_text_length > max_length)
return;
/* stop the default implementation */
g_signal_stop_emission (editable, g_signal_lookup ("insert-text", GTK_TYPE_ENTRY), 0);
for (i = 0; i < new_text_length; i++)
{
gchar c;
c = *(new_text + i);
/* trying to insert a non-numeric char */
if (c < '0' || c > '9')
{
valid = FALSE;
break;
}
}
if (!valid)
return;
new_label = g_strdup_printf ("%s%s", gtk_entry_buffer_get_text (buffer), new_text);
gtk_entry_buffer_set_text (buffer, new_label, current_length + new_text_length);
*position = *position + new_text_length;
g_free (new_label);
}
static void
set_date (GcalDateSelector *selector,
gint day,
@@ -301,6 +355,10 @@ gcal_date_selector_constructed (GObject *object)
gtk_container_add (GTK_CONTAINER (priv->popover), grid);
g_object_bind_property (priv->popover, "visible", object, "active", G_BINDING_BIDIRECTIONAL);
g_signal_connect (priv->entries[DAY], "insert-text", G_CALLBACK (text_inserted), object);
g_signal_connect (priv->entries[MONTH], "insert-text", G_CALLBACK (text_inserted), object);
g_signal_connect (priv->entries[YEAR], "insert-text", G_CALLBACK (text_inserted), object);
g_object_unref (builder);
}