openbox/extensions.c

   1 #include "openbox.h"
   2 #include "geom.h"
   3 #include "extensions.h"
   4 #include "screen.h"
   5
   6 gboolean extensions_xkb       = FALSE;
   7 int      extensions_xkb_event_basep;
   8 gboolean extensions_shape     = FALSE;
   9 int      extensions_shape_event_basep;
  10 gboolean extensions_xinerama  = FALSE;
  11 int      extensions_xinerama_event_basep;
  12 gboolean extensions_xinerama_active = FALSE;
  13 gboolean extensions_randr     = FALSE;
  14 int      extensions_randr_event_basep;
  15 gboolean extensions_vidmode   = FALSE;
  16 int      extensions_vidmode_event_basep;
  17
  18 void extensions_query_all()
  19 {
  20     int junk;
  21     (void)junk;
  22
  23 #ifdef XKB
  24     extensions_xkb =
  25         XkbQueryExtension(ob_display, &junk, &extensions_xkb_event_basep,
  26                           &junk, NULL, NULL);
  27 #endif
  28
  29 #ifdef SHAPE
  30     extensions_shape =
  31         XShapeQueryExtension(ob_display, &extensions_shape_event_basep,
  32                              &junk);
  33 #endif
  34
  35 #ifdef XINERAMA
  36     extensions_xinerama =
  37         XineramaQueryExtension(ob_display, &extensions_xinerama_event_basep,
  38                                &junk);
  39     extensions_xinerama_active = XineramaIsActive(ob_display);
  40 #endif
  41
  42 #ifdef XRANDR
  43     extensions_randr =
  44         XRRQueryExtension(ob_display, &extensions_randr_event_basep,
  45                           &junk);
  46 #endif
  47
  48 #ifdef VIDMODE
  49     extensions_vidmode =
  50         XF86VidModeQueryExtension(ob_display, &extensions_vidmode_event_basep,
  51                                   &junk);
  52 #endif
  53 }
  54
  55 void extensions_xinerama_screens(Rect **xin_areas, guint *nxin)
  56 {
  57     guint i;
  58     gint l, r, t, b;
  59 #ifdef XINERAMA
  60     if (extensions_xinerama_active) {
  61         guint i;
  62         gint n;
  63         XineramaScreenInfo *info = XineramaQueryScreens(ob_display, &n);
  64         *nxin = n;
  65         *xin_areas = g_new(Rect, *nxin + 1);
  66         for (i = 0; i < *nxin; ++i)
  67             RECT_SET((*xin_areas)[i], info[i].x_org, info[i].y_org,
  68                      info[i].width, info[i].height);
  69     } else
  70 #endif
  71     {
  72         *nxin = 1;
  73         *xin_areas = g_new(Rect, *nxin + 1);
  74         RECT_SET((*xin_areas)[0], 0, 0,
  75                  screen_physical_size.width, screen_physical_size.height);
  76     }
  77
  78     /* returns one extra with the total area in it */
  79     l = (*xin_areas)[0].x;
  80     t = (*xin_areas)[0].y;
  81     r = (*xin_areas)[0].x + (*xin_areas)[0].width - 1;
  82     b = (*xin_areas)[0].y + (*xin_areas)[0].height - 1;
  83     for (i = 1; i < *nxin; ++i) {
  84         l = MIN(l, (*xin_areas)[i].x);
  85         t = MIN(l, (*xin_areas)[i].y);
  86         r = MAX(r, (*xin_areas)[i].x + (*xin_areas)[i].width - 1);
  87         b = MAX(b, (*xin_areas)[i].y + (*xin_areas)[i].height - 1);
  88     }
  89     RECT_SET((*xin_areas)[*nxin], l, t, r - l + 1, b - t + 1);
  90 }