1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
19 #ifndef __GTK_PRIVATE_H__
20 #define __GTK_PRIVATE_H__
23 #include <gtk/gtkobject.h>
24 #include <gtk/gtkwidget.h>
29 #endif /* __cplusplus */
32 /* The private flags that are used in the private_flags member of GtkWidget.
36 PRIVATE_GTK_USER_STYLE = 1 << 0,
37 PRIVATE_GTK_REDRAW_PENDING = 1 << 1,
38 PRIVATE_GTK_RESIZE_PENDING = 1 << 2,
39 PRIVATE_GTK_RESIZE_NEEDED = 1 << 3,
40 PRIVATE_GTK_LEAVE_PENDING = 1 << 4,
41 PRIVATE_GTK_HAS_SHAPE_MASK = 1 << 5,
42 PRIVATE_GTK_IN_REPARENT = 1 << 6
45 /* Macros for extracting a widgets private_flags from GtkWidget.
47 #define GTK_PRIVATE_FLAGS(wid) (GTK_WIDGET (wid)->private_flags)
48 #define GTK_WIDGET_USER_STYLE(obj) ((GTK_PRIVATE_FLAGS (obj) & PRIVATE_GTK_USER_STYLE) != 0)
49 #define GTK_WIDGET_REDRAW_PENDING(obj) ((GTK_PRIVATE_FLAGS (obj) & PRIVATE_GTK_REDRAW_PENDING) != 0)
50 #define GTK_CONTAINER_RESIZE_PENDING(obj) ((GTK_PRIVATE_FLAGS (obj) & PRIVATE_GTK_RESIZE_PENDING) != 0)
51 #define GTK_WIDGET_RESIZE_NEEDED(obj) ((GTK_PRIVATE_FLAGS (obj) & PRIVATE_GTK_RESIZE_NEEDED) != 0)
52 #define GTK_WIDGET_LEAVE_PENDING(obj) ((GTK_PRIVATE_FLAGS (obj) & PRIVATE_GTK_LEAVE_PENDING) != 0)
53 #define GTK_WIDGET_HAS_SHAPE_MASK(obj) ((GTK_PRIVATE_FLAGS (obj) & PRIVATE_GTK_HAS_SHAPE_MASK) != 0)
54 #define GTK_WIDGET_IN_REPARENT(obj) ((GTK_PRIVATE_FLAGS (obj) & PRIVATE_GTK_IN_REPARENT) != 0)
56 /* Macros for setting and clearing private widget flags.
57 * we use a preprocessor string concatenation here for a clear
58 * flags/private_flags distinction at the cost of single flag operations.
60 #define GTK_PRIVATE_SET_FLAG(wid,flag) G_STMT_START{ (GTK_PRIVATE_FLAGS (wid) |= (PRIVATE_ ## flag)); }G_STMT_END
61 #define GTK_PRIVATE_UNSET_FLAG(wid,flag) G_STMT_START{ (GTK_PRIVATE_FLAGS (wid) &= ~(PRIVATE_ ## flag)); }G_STMT_END
63 /* Threading functions */
65 extern GMutex *gtk_threads_mutex;
67 #define GTK_THREADS_ENTER G_STMT_START { \
68 if (gtk_threads_mutex) \
69 g_mutex_lock (gtk_threads_mutex); \
71 #define GTK_THREADS_LEAVE G_STMT_START { \
72 if (gtk_threads_mutex) \
73 g_mutex_unlock (gtk_threads_mutex); \
78 #endif /* __cplusplus */
81 #endif /* __GTK_PRIVATE_H__ */