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Diffstat (limited to 'xorg-server/dix/inpututils.c')
-rw-r--r--xorg-server/dix/inpututils.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/xorg-server/dix/inpututils.c b/xorg-server/dix/inpututils.c
index 5797f9256..c152b2d8b 100644
--- a/xorg-server/dix/inpututils.c
+++ b/xorg-server/dix/inpututils.c
@@ -665,6 +665,30 @@ point_on_screen(ScreenPtr pScreen, int x, int y)
}
/**
+ * Update desktop dimensions on the screenInfo struct.
+ */
+void
+update_desktop_dimensions(void)
+{
+ int i;
+ int x1 = INT_MAX, y1 = INT_MAX; /* top-left */
+ int x2 = INT_MIN, y2 = INT_MIN; /* bottom-right */
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ ScreenPtr screen = screenInfo.screens[i];
+ x1 = min(x1, screen->x);
+ y1 = min(y1, screen->y);
+ x2 = max(x2, screen->x + screen->width);
+ y2 = max(y2, screen->y + screen->height);
+ }
+
+ screenInfo.x = x1;
+ screenInfo.y = y1;
+ screenInfo.width = x2 - x1;
+ screenInfo.height = y2 - y1;
+}
+
+/*
* Delete the element with the key from the list, freeing all memory
* associated with the element..
*/