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