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xwm: use min size as base size hint if it is missing and vice versa 

This is what ICCCM states that a WM should do.
This commit is contained in:
Ilia Bozhinov 2019-03-03 21:29:35 +01:00 committed by Drew DeVault
parent 6a60dafe59
commit c9b9e48525
1 changed files with 13 additions and 1 deletions
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14
xwayland/xwm.c
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@ -583,10 +583,22 @@ static void read_surface_normal_hints(struct wlr_xwm *xwm,
memcpy(xsurface->size_hints, &size_hints,
sizeof(struct wlr_xwayland_surface_size_hints));
if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE) == 0) {
bool has_min_size_hints = (size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE) == 0;
bool has_base_size_hints = (size_hints.flags & XCB_ICCCM_SIZE_HINT_BASE_SIZE) == 0;
/* ICCCM says that if absent, min size is equal to base size and vice versa */
if (!has_min_size_hints && !has_base_size_hints) {
xsurface->size_hints->min_width = -1;
xsurface->size_hints->min_height = -1;
xsurface->size_hints->base_width = -1;
xsurface->size_hints->base_height = -1;
} else if (!has_base_size_hints) {
xsurface->size_hints->base_width = xsurface->size_hints->min_width;
xsurface->size_hints->base_height = xsurface->size_hints->min_height;
} else if (!has_min_size_hints) {
xsurface->size_hints->base_width = xsurface->size_hints->min_width;
xsurface->size_hints->base_height = xsurface->size_hints->min_height;
}
if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE) == 0) {
xsurface->size_hints->max_width = -1;
xsurface->size_hints->max_height = -1;