1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 extensions.c for the Openbox window manager
4 Copyright (c) 2006 Mikael Magnusson
5 Copyright (c) 2003-2007 Dana Jansens
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 See the COPYING file for a copy of the GNU General Public License.
22 #include "extensions.h"
26 gboolean extensions_xkb = FALSE;
27 gint extensions_xkb_event_basep;
28 gboolean extensions_shape = FALSE;
29 gint extensions_shape_event_basep;
30 gboolean extensions_xinerama = FALSE;
31 gint extensions_xinerama_event_basep;
32 gboolean extensions_randr = FALSE;
33 gint extensions_randr_event_basep;
34 gboolean extensions_sync = FALSE;
35 gint extensions_sync_event_basep;
37 void extensions_query_all(void)
44 XkbQueryExtension(ob_display, &junk, &extensions_xkb_event_basep,
47 ob_debug("XKB extension is not present on the server\n");
52 XShapeQueryExtension(ob_display, &extensions_shape_event_basep,
54 if (!extensions_shape)
55 ob_debug("X Shape extension is not present on the server\n");
60 XineramaQueryExtension(ob_display, &extensions_xinerama_event_basep,
61 &junk) && XineramaIsActive(ob_display);
62 if (!extensions_xinerama)
63 ob_debug("Xinerama extension is not present on the server\n");
68 XRRQueryExtension(ob_display, &extensions_randr_event_basep,
70 if (!extensions_randr)
71 ob_debug("XRandR extension is not present on the server\n");
76 XSyncQueryExtension(ob_display, &extensions_sync_event_basep,
78 XSyncInitialize(ob_display, &junk, &junk);
80 ob_debug("X Sync extension is not present on the server or is an "
81 "incompatible version\n");
85 void extensions_xinerama_screens(Rect **xin_areas, guint *nxin)
90 XineramaScreenInfo *info;
93 if (ob_debug_xinerama) {
94 gint w = WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen));
95 gint h = HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen));
97 *xin_areas = g_new(Rect, *nxin + 1);
98 RECT_SET((*xin_areas)[0], 0, 0, w/2, h);
99 RECT_SET((*xin_areas)[1], w/2, 0, w-(w/2), h);
102 else if (extensions_xinerama &&
103 (info = XineramaQueryScreens(ob_display, &n))) {
105 *xin_areas = g_new(Rect, *nxin + 1);
106 for (i = 0; i < *nxin; ++i)
107 RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
108 info[i].width, info[i].height);
115 *xin_areas = g_new(Rect, *nxin + 1);
116 RECT_SET((*xin_areas)[0], 0, 0,
117 WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen)),
118 HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen)));
121 /* returns one extra with the total area in it */
122 l = (*xin_areas)[0].x;
123 t = (*xin_areas)[0].y;
124 r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
125 b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
126 for (i = 1; i < *nxin; ++i) {
127 l = MIN(l, (*xin_areas)[i].x);
128 t = MIN(l, (*xin_areas)[i].y);
129 r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
130 b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
132 RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);