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graphic-helper: properly handle very small multi_rects

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For example, alacritty can be resized to 1x1 and the size of the
scene-rects inside the multi_rect for the window switcher preview could
be negative.
This commit is contained in:
tokyo4j 2025-05-04 23:40:25 +09:00 • committed by Hiroaki Yamamoto
parent 93d77801c5
commit 6305cc0f78
1 changed files with 10 additions and 5 deletions
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15
src/common/graphic-helpers.c
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@ -8,6 +8,7 @@
#include <wlr/util/box.h>
#include "buffer.h"
#include "common/graphic-helpers.h"
#include "common/macros.h"
#include "common/mem.h"
static void
@ -57,7 +58,7 @@ multi_rect_set_size(struct multi_rect *rect, int width, int height)
* +-+-----+-+ |
* +---------+ ---
*/
for (size_t i = 0; i < 3; i++) {
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);
@ -66,13 +67,17 @@ multi_rect_set_size(struct multi_rect *rect, int width, int height)
/* Update sizes */
wlr_scene_rect_set_size(rect->top[i],
width - i * line_width * 2, line_width);
MAX(width - i * line_width * 2, 0),
line_width);
wlr_scene_rect_set_size(rect->bottom[i],
width - i * line_width * 2, line_width);
MAX(width - i * line_width * 2, 0),
line_width);
wlr_scene_rect_set_size(rect->left[i],
line_width, height - (i + 1) * line_width * 2);
line_width,
MAX(height - (i + 1) * line_width * 2, 0));
wlr_scene_rect_set_size(rect->right[i],
line_width, height - (i + 1) * line_width * 2);
line_width,
MAX(height - (i + 1) * line_width * 2, 0));
}
}