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	view: add 'struct border margin'
Simplify various view interfaces as a result
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					 9 changed files with 91 additions and 101 deletions
				
			
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			@ -55,12 +55,10 @@ static void _close(struct view *view)
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	wlr_xwayland_surface_close(view->xwayland_surface);
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}
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static bool want_ssd(struct view *view)
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static bool want_deco(struct view *view)
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{
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	if (view->xwayland_surface->decorations !=
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	    WLR_XWAYLAND_SURFACE_DECORATIONS_ALL)
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		return false;
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	return true;
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	return view->xwayland_surface->decorations ==
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	       WLR_XWAYLAND_SURFACE_DECORATIONS_ALL;
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}
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static void map(struct view *view)
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			@ -68,12 +66,20 @@ static void map(struct view *view)
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	view->mapped = true;
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	view->x = view->xwayland_surface->x;
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	view->y = view->xwayland_surface->y;
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	view->w = view->xwayland_surface->width;
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	view->h = view->xwayland_surface->height;
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	view->surface = view->xwayland_surface->surface;
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	if (!view->been_mapped) {
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		view->show_server_side_deco = want_ssd(view);
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		view_init_position(view);
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	}
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	view->been_mapped = true;
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	view->show_server_side_deco = want_deco(view);
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	view->margin = deco_max_extents(view);
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	/* ensure we're inside screen */
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	view->x += view->margin.left;
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	view->y += view->margin.top;
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	struct wlr_box box = {
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		.x = view->x, .y = view->y, .width = view->w, .height = view->h
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	};
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	view->impl->configure(view, box);
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	/* Add commit here, as xwayland map/unmap can change the wlr_surface */
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	wl_signal_add(&view->xwayland_surface->surface->events.commit,
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