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xwayland: handle size_hints == NULL

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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 Drew DeVault
parent c35663772a
commit 2aecf93fd7
1 changed files with 9 additions and 0 deletions
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9
sway/desktop/xwayland.c
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@ -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;