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Stop cursor leaving the root widget and causing a segfault (Found by tlsa)

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svn path=/trunk/netsurf/; revision=10957
This commit is contained in:
Vincent Sanders 2010-12-04 14:24:53 +00:00
parent 0c0e2d6de3
commit 4cf27ef338
1 changed files with 10 additions and 0 deletions
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10
framebuffer/fbtk/event.c
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@ -134,6 +134,16 @@ fbtk_warp_pointer(fbtk_widget_t *widget, int x, int y, bool relative)
cloc.y0 = y;
}
/* ensure cursor location lies within the root widget */
if (cloc.x0 < root->x)
cloc.x0 = root->x;
if (cloc.x0 > (root->x + root->width))
cloc.x0 = (root->x + root->width);
if (cloc.y0 < root->y)
cloc.y0 = root->y;
if (cloc.y0 > (root->y + root->height))
cloc.y0 = (root->y + root->height);
if (root->u.root.grabbed == NULL) {
/* update the pointer cursor */
nsfb_cursor_loc_set(root->u.root.fb, &cloc);