Dogcows Code - chaz/openbox/blob - openbox/extensions.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    extensions.c for the Openbox window manager
   4    Copyright (c) 2006        Mikael Magnusson
   5    Copyright (c) 2003-2007   Dana Jansens
   6
   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.
  11
  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.
  16
  17    See the COPYING file for a copy of the GNU General Public License.
  18 */
  19
  20 #include "openbox.h"
  21 #include "geom.h"
  22 #include "extensions.h"
  23 #include "screen.h"
  24
  25 gboolean extensions_xkb       = FALSE;
  26 gint     extensions_xkb_event_basep;
  27 gboolean extensions_shape     = FALSE;
  28 gint     extensions_shape_event_basep;
  29 gboolean extensions_xinerama  = FALSE;
  30 gint     extensions_xinerama_event_basep;
  31 gboolean extensions_randr     = FALSE;
  32 gint     extensions_randr_event_basep;
  33
  34 void extensions_query_all()
  35 {
  36     gint junk;
  37     (void)junk;
  38
  39 #ifdef XKB
  40     extensions_xkb =
  41         XkbQueryExtension(ob_display, &junk, &extensions_xkb_event_basep,
  42                           &junk, NULL, NULL);
  43 #endif
  44
  45 #ifdef SHAPE
  46     extensions_shape =
  47         XShapeQueryExtension(ob_display, &extensions_shape_event_basep,
  48                              &junk);
  49 #endif
  50
  51 #ifdef XINERAMA
  52     extensions_xinerama =
  53         XineramaQueryExtension(ob_display, &extensions_xinerama_event_basep,
  54                                &junk) && XineramaIsActive(ob_display);
  55 #endif
  56
  57 #ifdef XRANDR
  58     extensions_randr =
  59         XRRQueryExtension(ob_display, &extensions_randr_event_basep,
  60                           &junk);
  61 #endif
  62 }
  63
  64 void extensions_xinerama_screens(Rect **xin_areas, guint *nxin)
  65 {
  66     guint i;
  67     gint l, r, t, b;
  68 #ifdef XINERAMA
  69     if (extensions_xinerama) {
  70         guint i;
  71         gint n;
  72         XineramaScreenInfo *info = XineramaQueryScreens(ob_display, &n);
  73         *nxin = n;
  74         *xin_areas = g_new(Rect, *nxin + 1);
  75         for (i = 0; i < *nxin; ++i)
  76             RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
  77                      info[i].width, info[i].height);
  78         XFree(info);
  79     } else
  80 #endif
  81     {
  82         *nxin = 1;
  83         *xin_areas = g_new(Rect, *nxin + 1);
  84         RECT_SET((*xin_areas)[0], 0, 0,
  85                  WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen)),
  86                  HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen)));
  87     }
  88
  89     /* returns one extra with the total area in it */
  90     l = (*xin_areas)[0].x;
  91     t = (*xin_areas)[0].y;
  92     r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
  93     b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
  94     for (i = 1; i < *nxin; ++i) {
  95         l = MIN(l, (*xin_areas)[i].x);
  96         t = MIN(l, (*xin_areas)[i].y);
  97         r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
  98         b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
  99     }
 100     RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
 101 }