date-selector: initial implementetation

No functionality is ready, only project settings and class type.
2014-12-23 12:01:38 -05:00
parent 6bea205cfd
commit 40683e5e10
11 changed files with 340 additions and 540 deletions
@@ -0,0 +1,156 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * gcal-date-selector.c
+ * Copyright (C) 2012 Erick Pérez Castellanos <erickpc@gnome.org>
+ *
+ * gnome-calendar is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * gnome-calendar is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gcal-date-selector.h"
+
+#include <locale.h>
+#include <langinfo.h>
+#include <glib/gi18n.h>
+
+struct _GcalDateSelectorPrivate
+{
+  gboolean  internal_skip;
+
+  gint      day;
+  gint      month;
+  gint      year;
+
+  gchar    *mask;
+  guint     day_pos;
+  guint     month_pos;
+  guint     year_pos;
+  gboolean  have_long_year;
+};
+
+enum
+{
+  MODIFIED,
+  NUM_SIGNALS
+};
+
+static guint signals[NUM_SIGNALS] = { 0, };
+
+static void     gcal_date_selector_constructed                    (GObject              *object);
+
+G_DEFINE_TYPE_WITH_PRIVATE (GcalDateSelector, gcal_date_selector, GTK_TYPE_TOGGLE_BUTTON);
+
+static void
+gcal_date_selector_class_init (GcalDateSelectorClass *klass)
+{
+  GObjectClass *object_class;
+
+  object_class = G_OBJECT_CLASS (klass);
+  object_class->constructed = gcal_date_selector_constructed;
+
+  signals[MODIFIED] = g_signal_new ("modified",
+                                    GCAL_TYPE_DATE_SELECTOR,
+                                    G_SIGNAL_RUN_LAST,
+                                    G_STRUCT_OFFSET (GcalDateSelectorClass, modified),
+                                    NULL, NULL, NULL,
+                                    G_TYPE_NONE, 0);
+}
+
+static void
+gcal_date_selector_init (GcalDateSelector *self)
+{
+  GcalDateSelectorPrivate *priv;
+  gchar *have_y;
+
+  gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
+
+  priv = gcal_date_selector_get_instance_private (GCAL_DATE_SELECTOR (self));;
+
+  priv->internal_skip = FALSE;
+  priv->day = 1;
+  priv->month = 1;
+  priv->year = 1970;
+
+  setlocale (LC_ALL,"");
+  priv->mask = nl_langinfo (D_FMT);
+
+  priv->day_pos = - (priv->mask - g_strstr_len (priv->mask, -1, "%d"));
+  priv->month_pos = - (priv->mask - g_strstr_len (priv->mask, -1, "%m"));
+  if ((have_y = g_strstr_len (priv->mask, - 1, "%y")) != NULL)
+    {
+      priv->have_long_year = FALSE;
+      priv->year_pos = - (priv->mask - have_y);
+    }
+  else
+    {
+      priv->have_long_year = TRUE;
+      priv->year_pos = - (priv->mask - g_strstr_len (priv->mask, -1, "%Y"));
+      if (priv->year_pos < priv->day_pos)
+        priv->day_pos += 2;
+      if (priv->year_pos < priv->month_pos)
+        priv->month_pos += 2;
+    }
+}
+
+static void
+gcal_date_selector_constructed (GObject *object)
+{
+  GcalDateSelectorPrivate *priv;
+
+  priv = gcal_date_selector_get_instance_private (GCAL_DATE_SELECTOR (object));
+
+  /* chaining up */
+  G_OBJECT_CLASS (gcal_date_selector_parent_class)->constructed (object);
+}
+
+/* Public API */
+GtkWidget*
+gcal_date_selector_new (void)
+{
+  return g_object_new (GCAL_TYPE_DATE_SELECTOR, NULL);
+}
+
+void
+gcal_date_selector_set_date (GcalDateSelector *selector,
+                             gint              day,
+                             gint              month,
+                             gint              year)
+{
+  GcalDateSelectorPrivate *priv;
+
+  g_return_if_fail (GCAL_IS_DATE_SELECTOR (selector));
+  priv = gcal_date_selector_get_instance_private (selector);
+
+  priv->day = day;
+  priv->month = month;
+  priv->year = year;
+}
+
+void
+gcal_date_selector_get_date (GcalDateSelector *selector,
+                             gint             *day,
+                             gint             *month,
+                             gint             *year)
+{
+  GcalDateSelectorPrivate *priv;
+
+  g_return_if_fail (GCAL_IS_DATE_SELECTOR (selector));
+  priv = gcal_date_selector_get_instance_private (selector);
+
+  if (day != NULL)
+    *day = priv->day;
+  if (month != NULL)
+    *month = priv->month;
+  if (year != NULL)
+    *year = priv->year;
+}