prefix and capitalize the ObFocusFallbackType enum
[mikachu/openbox.git] / 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 }