1 /*
2  * Copyright (C) 2008-2010 Nick Schermer <nick@xfce.org>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
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  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef __PANEL_PRIVATE_H__
20 #define __PANEL_PRIVATE_H__
21 
22 /* support macros for debugging (improved macro for better position indication) */
23 /*#ifndef NDEBUG*/
24 #define panel_assert(expr)                 g_assert (expr)
25 #define panel_assert_not_reached()         g_assert_not_reached ()
26 #define panel_return_if_fail(expr)         G_STMT_START { \
27   if (G_UNLIKELY (!(expr))) \
28     { \
29       g_log (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, \
30              "%s (%s): expression '%s' failed.", G_STRLOC, G_STRFUNC, \
31              #expr); \
32       return; \
33     }; }G_STMT_END
34 #define panel_return_val_if_fail(expr,val) G_STMT_START { \
35   if (G_UNLIKELY (!(expr))) \
36     { \
37       g_log (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, \
38              "%s (%s): expression '%s' failed.", G_STRLOC, G_STRFUNC, \
39              #expr); \
40       return (val); \
41     }; }G_STMT_END
42 /*#else
43 #define panel_assert(expr)                 G_STMT_START{ (void)0; }G_STMT_END
44 #define panel_assert_not_reached()         G_STMT_START{ (void)0; }G_STMT_END
45 #define panel_return_if_fail(expr)         G_STMT_START{ (void)0; }G_STMT_END
46 #define panel_return_val_if_fail(expr,val) G_STMT_START{ (void)0; }G_STMT_END
47 #endif*/
48 
49 /* handling flags */
50 #define PANEL_SET_FLAG(flags,flag) G_STMT_START{ ((flags) |= (flag)); }G_STMT_END
51 #define PANEL_UNSET_FLAG(flags,flag) G_STMT_START{ ((flags) &= ~(flag)); }G_STMT_END
52 #define PANEL_HAS_FLAG(flags,flag) (((flags) & (flag)) != 0)
53 
54 /* relative path to the plugin directory */
55 #define PANEL_PLUGIN_RELATIVE_PATH "xfce4" G_DIR_SEPARATOR_S "panel"
56 
57 /* relative plugin's rc filename (printf format) */
58 #define PANEL_PLUGIN_RC_RELATIVE_PATH PANEL_PLUGIN_RELATIVE_PATH G_DIR_SEPARATOR_S "%s-%d.rc"
59 
60 /* xfconf property base (printf format) */
61 #define PANEL_PLUGIN_PROPERTY_BASE "/plugins/plugin-%d"
62 
63 /* minimum time in seconds between automatic restarts of panel plugins
64  * without asking the user what to do */
65 #define PANEL_PLUGIN_AUTO_RESTART (60)
66 
67 /* integer swap functions */
68 #define SWAP_INTEGER(a,b) G_STMT_START { gint swp = a; a = b; b = swp; } G_STMT_END
69 #define TRANSPOSE_AREA(area) G_STMT_START { SWAP_INTEGER (area.width, area.height); \
70                                             SWAP_INTEGER (area.x, area.y); } G_STMT_END
71 
72 /* to avoid exo for gtk3 testing */
73 #define panel_str_is_empty(string) ((string) == NULL || *(string) == '\0')
74 
75 /* quick GList and GSList counting without traversing */
76 #define LIST_HAS_ONE_ENTRY(l)           ((l) != NULL && (l)->next == NULL)
77 #define LIST_HAS_ONE_OR_NO_ENTRIES(l)   ((l) == NULL || (l)->next == NULL)
78 #define LIST_HAS_TWO_OR_MORE_ENTRIES(l) ((l) != NULL && (l)->next != NULL)
79 
80 /* make this easier to read */
81 #define PANEL_GDKCOLOR_TO_DOUBLE(gdk_color) gdk_color->red / 65535.00, \
82                                             gdk_color->green / 65535.00, \
83                                             gdk_color->blue / 65535.00
84 
85 #endif /* !__PANEL_PRIVATE_H__ */
86