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Replace multi_rect with lab_scene_rect

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lab_scene_rect accepts the arbitrary number of borders and a background
color.
This commit is contained in:
tokyo4j 2025-06-09 16:27:17 +09:00 • committed by Hiroaki Yamamoto
parent 4cc6b354b0
commit ffd400503e
12 changed files with 187 additions and 140 deletions
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77
src/common/graphic-helpers.c
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@ -1,85 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <assert.h>
#include <cairo.h>
#include <stdlib.h>
#include <string.h>
#include <wlr/types/wlr_scene.h>
#include <wlr/util/box.h>
#include "buffer.h"
#include "common/graphic-helpers.h"
#include "common/macros.h"
#include "common/mem.h"
static void
multi_rect_destroy_notify(struct wl_listener *listener, void *data)
{
struct multi_rect *rect = wl_container_of(listener, rect, destroy);
wl_list_remove(&rect->destroy.link);
free(rect);
}
struct multi_rect *
multi_rect_create(struct wlr_scene_tree *parent, float *colors[3], int line_width)
{
struct multi_rect *rect = znew(*rect);
rect->line_width = line_width;
rect->tree = wlr_scene_tree_create(parent);
rect->destroy.notify = multi_rect_destroy_notify;
wl_signal_add(&rect->tree->node.events.destroy, &rect->destroy);
for (size_t i = 0; i < 3; i++) {
rect->top[i] = wlr_scene_rect_create(rect->tree, 0, 0, colors[i]);
rect->right[i] = wlr_scene_rect_create(rect->tree, 0, 0, colors[i]);
rect->bottom[i] = wlr_scene_rect_create(rect->tree, 0, 0, colors[i]);
rect->left[i] = wlr_scene_rect_create(rect->tree, 0, 0, colors[i]);
wlr_scene_node_set_position(&rect->top[i]->node,
i * line_width, i * line_width);
wlr_scene_node_set_position(&rect->left[i]->node,
i * line_width, (i + 1) * line_width);
}
return rect;
}
void
multi_rect_set_size(struct multi_rect *rect, int width, int height)
{
assert(rect);
int line_width = rect->line_width;
/*
* The outmost outline is drawn like below:
*
* |--width--|
*
* +---------+ ---
* +-+-----+-+ |
* | | | | height
* | | | | |
* +-+-----+-+ |
* +---------+ ---
*/
for (int i = 0; i < 3; i++) {
/* Reposition, top and left don't ever change */
wlr_scene_node_set_position(&rect->right[i]->node,
width - (i + 1) * line_width, (i + 1) * line_width);
wlr_scene_node_set_position(&rect->bottom[i]->node,
i * line_width, height - (i + 1) * line_width);
/* Update sizes */
wlr_scene_rect_set_size(rect->top[i],
MAX(width - i * line_width * 2, 0),
line_width);
wlr_scene_rect_set_size(rect->bottom[i],
MAX(width - i * line_width * 2, 0),
line_width);
wlr_scene_rect_set_size(rect->left[i],
line_width,
MAX(height - (i + 1) * line_width * 2, 0));
wlr_scene_rect_set_size(rect->right[i],
line_width,
MAX(height - (i + 1) * line_width * 2, 0));
}
}
/* Draws a border with a specified line width */
void