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xdg-positioner constraint detection

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This commit is contained in:
Tony Crisci 2018-03-26 23:48:32 -04:00
parent 4da18f7fc3
commit bbd0e23fa7
4 changed files with 198 additions and 14 deletions
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49
rootston/xdg_shell_v6.c
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@ -45,6 +45,55 @@ static struct roots_xdg_popup_v6 *popup_create(struct roots_view *view,
if (popup == NULL) {
return NULL;
}
struct wlr_xdg_surface_v6 *parent = wlr_popup->parent;
double popup_lx = wlr_popup->geometry.x;
double popup_ly = wlr_popup->geometry.y;
while (parent->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
popup_lx += parent->popup->geometry.x;
popup_ly += parent->popup->geometry.y;
parent = parent->popup->parent;
}
popup_lx += view->x + parent->geometry.x;
popup_ly += view->y + parent->geometry.y;
int popup_width = wlr_popup->geometry.width;
int popup_height = wlr_popup->geometry.height;
int anchor_x, anchor_y;
wlr_xdg_popup_v6_get_anchor_point(wlr_popup, &anchor_x, &anchor_y);
anchor_x += popup_lx;
anchor_y += popup_ly;
struct wlr_output_layout *layout = view->desktop->layout;
// get the output that contains (or closest to) the anchor point
struct wlr_output *output =
wlr_output_layout_output_at(layout, anchor_x, anchor_y);
if (output == NULL) {
// TODO find the closest output to the anchor
assert(false);
}
// does the output completely contain the popup?
struct wlr_box *output_box = wlr_output_layout_get_box(layout, output);
bool output_contains_popup_x = popup_lx >= output_box->x &&
popup_lx + popup_width <= output_box->x + output_box->width;
bool output_contains_popup_y = popup_ly >= output_box->y &&
popup_ly + popup_height <= output_box->y + output_box->height;
if (!output_contains_popup_x) {
// TODO flip_x
// TODO slide_x
// TODO resize_x
}
if (!output_contains_popup_y) {
// TODO flip_y
// TODO slide_y
// TODO resize_y
}
popup->wlr_popup = wlr_popup;
popup->view_child.destroy = popup_destroy;
view_child_init(&popup->view_child, view, wlr_popup->base->surface);