xwayland: handle size_hints == NULL

In case xcb-iccm is not installed on the system, size_hints will be
null. Handle this as if the get_constraints functions was not
implemented and return the defaults.

Fixes #4870
This commit is contained in:
Rouven Czerwinski 2020-01-03 07:36:33 +01:00 committed by Simon Ser
parent d510684c47
commit 1e44247baa

View File

@ -298,6 +298,15 @@ static void get_constraints(struct sway_view *view, double *min_width,
double *max_width, double *min_height, double *max_height) {
struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface;
struct wlr_xwayland_surface_size_hints *size_hints = surface->size_hints;
if (size_hints == NULL) {
*min_width = DBL_MIN;
*max_width = DBL_MAX;
*min_height = DBL_MIN;
*max_height = DBL_MAX;
return;
}
*min_width = size_hints->min_width > 0 ? size_hints->min_width : DBL_MIN;
*max_width = size_hints->max_width > 0 ? size_hints->max_width : DBL_MAX;
*min_height = size_hints->min_height > 0 ? size_hints->min_height : DBL_MIN;