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 int      extensions_xkb_event_basep;
  26 gboolean extensions_shape     = FALSE;
  27 int      extensions_shape_event_basep;
  28 gboolean extensions_xinerama  = FALSE;
  29 int      extensions_xinerama_event_basep;
  30 gboolean extensions_randr     = FALSE;
  31 int      extensions_randr_event_basep;
  32 gboolean extensions_vidmode   = FALSE;
  33 int      extensions_vidmode_event_basep;
  34
  35 void extensions_query_all()
  36 {
  37     int junk;
  38     (void)junk;
  39
  40 #ifdef XKB
  41     extensions_xkb =
  42         XkbQueryExtension(ob_display, &junk, &extensions_xkb_event_basep,
  43                           &junk, NULL, NULL);
  44 #endif
  45
  46 #ifdef SHAPE
  47     extensions_shape =
  48         XShapeQueryExtension(ob_display, &extensions_shape_event_basep,
  49                              &junk);
  50 #endif
  51
  52 #ifdef XINERAMA
  53     extensions_xinerama =
  54         XineramaQueryExtension(ob_display, &extensions_xinerama_event_basep,
  55                                &junk) && XineramaIsActive(ob_display);
  56 #endif
  57
  58 #ifdef XRANDR
  59     extensions_randr =
  60         XRRQueryExtension(ob_display, &extensions_randr_event_basep,
  61                           &junk);
  62 #endif
  63
  64 #ifdef VIDMODE
  65     extensions_vidmode =
  66         XF86VidModeQueryExtension(ob_display, &extensions_vidmode_event_basep,
  67                                   &junk);
  68 #endif
  69 }
  70
  71 void extensions_xinerama_screens(Rect **xin_areas, guint *nxin)
  72 {
  73     guint i;
  74     gint l, r, t, b;
  75 #ifdef XINERAMA
  76     if (extensions_xinerama) {
  77         guint i;
  78         gint n;
  79         XineramaScreenInfo *info = XineramaQueryScreens(ob_display, &n);
  80         *nxin = n;
  81         *xin_areas = g_new(Rect, *nxin + 1);
  82         for (i = 0; i < *nxin; ++i)
  83             RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
  84                      info[i].width, info[i].height);
  85     } else
  86 #endif
  87     {
  88         *nxin = 1;
  89         *xin_areas = g_new(Rect, *nxin + 1);
  90         RECT_SET((*xin_areas)[0], 0, 0,
  91                  WidthOfScreen(ScreenOfDisplay(ob_display, ob_screen)),
  92                  HeightOfScreen(ScreenOfDisplay(ob_display, ob_screen)));
  93     }
  94
  95     /* returns one extra with the total area in it */
  96     l = (*xin_areas)[0].x;
  97     t = (*xin_areas)[0].y;
  98     r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
  99     b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
 100     for (i = 1; i < *nxin; ++i) {
 101         l = MIN(l, (*xin_areas)[i].x);
 102         t = MIN(l, (*xin_areas)[i].y);
 103         r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
 104         b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
 105     }
 106     RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
 107 }