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Telegram/ThirdParty/nimf/libnimf/nimf-preeditable.c

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+/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 2; tab-width: 2 -*- */
+/*
+ * nimf-preeditable.c
+ * This file is part of Nimf.
+ *
+ * Copyright (C) 2017-2019 Hodong Kim <cogniti@gmail.com>
+ *
+ * Nimf is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Nimf 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program;  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "nimf-preeditable.h"
+
+G_DEFINE_INTERFACE (NimfPreeditable, nimf_preeditable, G_TYPE_OBJECT)
+
+static void
+nimf_preeditable_default_init (NimfPreeditableInterface *iface)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+}
+
+/**
+ * nimf_preeditable_show:
+ * @preeditable: a #NimfPreeditable
+ *
+ * Shows @preeditable
+ */
+void
+nimf_preeditable_show (NimfPreeditable *preeditable)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+
+  g_return_if_fail (NIMF_IS_PREEDITABLE (preeditable));
+
+  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);
+
+  if (iface->show)
+    iface->show (preeditable);
+}
+
+/**
+ * nimf_preeditable_hide:
+ * @preeditable: a #NimfPreeditable
+ *
+ * Hides the @preeditable
+ */
+void
+nimf_preeditable_hide (NimfPreeditable *preeditable)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+
+  g_return_if_fail (NIMF_IS_PREEDITABLE (preeditable));
+
+  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);
+
+  if (iface->hide)
+    iface->hide (preeditable);
+}
+
+/**
+ * nimf_preeditable_is_visible:
+ * @preeditable: a #NimfPreeditable
+ *
+ * Returns: %TRUE if the @preeditable is visible
+ */
+gboolean
+nimf_preeditable_is_visible (NimfPreeditable *preeditable)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+
+  g_return_val_if_fail (NIMF_IS_PREEDITABLE (preeditable), FALSE);
+
+  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);
+
+  if (iface->is_visible)
+    return iface->is_visible (preeditable);
+
+  return FALSE;
+}
+
+/**
+ * nimf_preeditable_set_text:
+ * @preeditable: a #NimfPreeditable
+ * @text: text
+ * @cursor_pos: cursor position
+ *
+ * Sets @text to @preeditable.
+ */
+void
+nimf_preeditable_set_text (NimfPreeditable *preeditable,
+                           const gchar     *text,
+                           gint             cursor_pos)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+
+  g_return_if_fail (NIMF_IS_PREEDITABLE (preeditable));
+
+  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);
+
+  if (iface->set_text)
+    iface->set_text (preeditable, text, cursor_pos);
+}
+
+/**
+ * nimf_preeditable_set_cursor_location:
+ * @preeditable: a #NimfPreeditable
+ * @area: a #NimfRectangle
+ *
+ * Notifies the @preeditable that a change in cursor position has been made.
+ * The location is the position of a window position in root window coordinates.
+ */
+void
+nimf_preeditable_set_cursor_location (NimfPreeditable     *preeditable,
+                                      const NimfRectangle *area)
+{
+  g_debug (G_STRLOC ": %s", G_STRFUNC);
+
+  g_return_if_fail (NIMF_IS_PREEDITABLE (preeditable));
+
+  NimfPreeditableInterface *iface = NIMF_PREEDITABLE_GET_IFACE (preeditable);
+
+  if (iface->set_cursor_location)
+    iface->set_cursor_location (preeditable, area);
+}