labwc/include/overlay.h
tokyo4j b0ba585ff8 overlay: allow to draw both/either of filled/outlined rectangle
Filled/outlined rectangles shown as snapping overlay are now enabled/disabled
independently with `snapping.overlay.[region|edge].bg.enabled` and
`snapping.overlay.[region|edge].border.enabled`.

To keep the default behavior, `*.bg.enabled` is yes and `*.border.enabled` is
no for hardware-based renderers, while `*.bg.enabled` is no and
`*.border.enabled` is yes for software-based (pixman) renderer.

Users can now use a filled rectangle as an overlay even with pixman renderer.
However, this may severely impact performance when used with translucent
`snapping.overlay.[region|edge].bg.color`.

This commit includes a refactor to use substruct `theme_snapping_overlay`
inside `theme` in order to pass it to `create_overlay_rect()` in a cleaner way.

Breaking changes is:
- `snapping.overlay.[region|edge].fill` is now removed.
2024-04-22 19:22:23 +01:00

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C

/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef LABWC_OVERLAY_H
#define LABWC_OVERLAY_H
#include <wlr/util/box.h>
#include "common/graphic-helpers.h"
#include "regions.h"
#include "view.h"
struct overlay_rect {
struct wlr_scene_tree *tree;
bool bg_enabled;
struct wlr_scene_rect *bg_rect;
bool border_enabled;
struct multi_rect *border_rect;
};
struct overlay {
struct overlay_rect region_rect, edge_rect;
/* Represents currently shown or delayed overlay */
struct {
/* Region overlay */
struct region *region;
/* Snap-to-edge overlay */
enum view_edge edge;
struct output *output;
} active;
/* For delayed snap-to-edge overlay */
struct wl_event_source *timer;
};
void overlay_reconfigure(struct seat *seat);
/* Calls overlay_hide() internally if there's no overlay to show */
void overlay_update(struct seat *seat);
/* This function must be called when server->grabbed_view is destroyed */
void overlay_hide(struct seat *seat);
#endif