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100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include "gdkcursor.h"
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#include "gdkdisplay.h"
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#include "gdkinternals.h"
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GType
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gdk_cursor_get_type (void)
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{
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static GType our_type = 0;
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if (our_type == 0)
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our_type = g_boxed_type_register_static (g_intern_static_string ("GdkCursor"),
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(GBoxedCopyFunc)gdk_cursor_ref,
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(GBoxedFreeFunc)gdk_cursor_unref);
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return our_type;
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}
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/**
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* gdk_cursor_ref:
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* @cursor: a #GdkCursor
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*
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* Adds a reference to @cursor.
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*
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* Return value: Same @cursor that was passed in
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**/
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GdkCursor*
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gdk_cursor_ref (GdkCursor *cursor)
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{
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g_return_val_if_fail (cursor != NULL, NULL);
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g_return_val_if_fail (cursor->ref_count > 0, NULL);
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cursor->ref_count += 1;
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return cursor;
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}
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/**
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* gdk_cursor_unref:
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* @cursor: a #GdkCursor
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*
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* Removes a reference from @cursor, deallocating the cursor
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* if no references remain.
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*
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**/
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void
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gdk_cursor_unref (GdkCursor *cursor)
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{
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g_return_if_fail (cursor != NULL);
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g_return_if_fail (cursor->ref_count > 0);
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cursor->ref_count -= 1;
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if (cursor->ref_count == 0)
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_gdk_cursor_destroy (cursor);
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}
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/**
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* gdk_cursor_new:
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* @cursor_type: cursor to create
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*
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* Creates a new cursor from the set of builtin cursors for the default display.
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* See gdk_cursor_new_for_display().
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*
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* To make the cursor invisible, use %GDK_BLANK_CURSOR.
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*
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* Return value: a new #GdkCursor
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**/
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GdkCursor*
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gdk_cursor_new (GdkCursorType cursor_type)
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{
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return gdk_cursor_new_for_display (gdk_display_get_default(), cursor_type);
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}
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