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) 2003        Ben Jansens
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #include "openbox.h"
  20 #include "geom.h"
  21 #include "extensions.h"
  22 #include "screen.h"
  23
  24 gboolean extensions_xkb       = FALSE;
  25 gint     extensions_xkb_event_basep;
  26 gboolean extensions_shape     = FALSE;
  27 gint     extensions_shape_event_basep;
  28 gboolean extensions_xinerama  = FALSE;
  29 gint     extensions_xinerama_event_basep;
  30 gboolean extensions_randr     = FALSE;
  31 gint     extensions_randr_event_basep;
  32
  33 void extensions_query_all()
  34 {
  35     gint junk;
  36     (void)junk;
  37
  38 #ifdef XKB
  39     extensions_xkb =
  40         XkbQueryExtension(ob_display, &junk, &extensions_xkb_event_basep,
  41                           &junk, NULL, NULL);
  42 #endif
  43
  44 #ifdef SHAPE
  45     extensions_shape =
  46         XShapeQueryExtension(ob_display, &extensions_shape_event_basep,
  47                              &junk);
  48 #endif
  49
  50 #ifdef XINERAMA
  51     extensions_xinerama =
  52         XineramaQueryExtension(ob_display, &extensions_xinerama_event_basep,
  53                                &junk) && XineramaIsActive(ob_display);
  54 #endif
  55
  56 #ifdef XRANDR
  57     extensions_randr =
  58         XRRQueryExtension(ob_display, &extensions_randr_event_basep,
  59                           &junk);
  60 #endif
  61 }
  62
  63 void extensions_xinerama_screens(Rect **xin_areas, guint *nxin)
  64 {
  65     guint i;
  66     gint l, r, t, b;
  67 #ifdef XINERAMA
  68     if (extensions_xinerama) {
  69         guint i;
  70         gint n;
  71         XineramaScreenInfo *info = XineramaQueryScreens(ob_display, &n);
  72         *nxin = n;
  73         *xin_areas = g_new(Rect, *nxin + 1);
  74         for (i = 0; i < *nxin; ++i)
  75             RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
  76                      info[i].width, info[i].height);
  77     } else
  78 #endif
  79     {
  80         *nxin = 1;
  81         *xin_areas = g_new(Rect, *nxin + 1);
  82         RECT_SET((*xin_areas)[0], 0, 0,
  83                  WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen)),
  84                  HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen)));
  85     }
  86
  87     /* returns one extra with the total area in it */
  88     l = (*xin_areas)[0].x;
  89     t = (*xin_areas)[0].y;
  90     r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
  91     b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
  92     for (i = 1; i < *nxin; ++i) {
  93         l = MIN(l, (*xin_areas)[i].x);
  94         t = MIN(l, (*xin_areas)[i].y);
  95         r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
  96         b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
  97     }
  98     RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
  99 }