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61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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#include <assert.h>
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#include <stdlib.h>
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#include <wlr/types/wlr_scene.h>
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#include "common/graphic-helpers.h"
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static void
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multi_rect_destroy_notify(struct wl_listener *listener, void *data)
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{
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struct multi_rect *rect = wl_container_of(listener, rect, destroy);
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free(rect);
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}
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struct multi_rect *
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multi_rect_create(struct wlr_scene_tree *parent, float *colors[3], int line_width)
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{
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struct multi_rect *rect = calloc(1, sizeof(*rect));
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rect->line_width = line_width;
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rect->tree = wlr_scene_tree_create(parent);
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rect->destroy.notify = multi_rect_destroy_notify;
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wl_signal_add(&rect->tree->node.events.destroy, &rect->destroy);
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for (size_t i = 0; i < 3; i++) {
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rect->top[i] = wlr_scene_rect_create(rect->tree, 0, 0, colors[i]);
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rect->right[i] = wlr_scene_rect_create(rect->tree, 0, 0, colors[i]);
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rect->bottom[i] = wlr_scene_rect_create(rect->tree, 0, 0, colors[i]);
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rect->left[i] = wlr_scene_rect_create(rect->tree, 0, 0, colors[i]);
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wlr_scene_node_set_position(&rect->top[i]->node,
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i * line_width, i * line_width);
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wlr_scene_node_set_position(&rect->left[i]->node,
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i * line_width, i * line_width);
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}
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return rect;
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}
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void
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multi_rect_set_size(struct multi_rect *rect, int width, int height)
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{
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assert(rect);
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int line_width = rect->line_width;
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for (size_t i = 0; i < 3; i++) {
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/* Reposition, top and left don't ever change */
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wlr_scene_node_set_position(&rect->right[i]->node,
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width - (i + 1) * line_width, i * line_width);
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wlr_scene_node_set_position(&rect->bottom[i]->node,
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i * line_width, height - (i + 1) * line_width);
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/* Update sizes */
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wlr_scene_rect_set_size(rect->top[i],
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width - i * line_width * 2, line_width);
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wlr_scene_rect_set_size(rect->bottom[i],
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width - i * line_width * 2, line_width);
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wlr_scene_rect_set_size(rect->left[i],
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line_width, height - i * line_width * 2);
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wlr_scene_rect_set_size(rect->right[i],
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line_width, height - i * line_width * 2);
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}
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}
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