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-rw-r--r--backend/x11/backend.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/backend/x11/backend.c b/backend/x11/backend.c
index 80998f3f..82004058 100644
--- a/backend/x11/backend.c
+++ b/backend/x11/backend.c
@@ -1,4 +1,5 @@
#define _POSIX_C_SOURCE 200112L
+#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
@@ -32,6 +33,38 @@ struct wlr_x11_output *x11_output_from_window_id(struct wlr_x11_backend *x11,
return NULL;
}
+void x11_output_layout_get_box(struct wlr_x11_backend *backend,
+ struct wlr_box *box) {
+ int min_x = INT_MAX, min_y = INT_MAX;
+ int max_x = INT_MIN, max_y = INT_MIN;
+
+ struct wlr_x11_output *output;
+ wl_list_for_each(output, &backend->outputs, link) {
+ struct wlr_output *wlr_output = &output->wlr_output;
+
+ int width, height;
+ wlr_output_effective_resolution(wlr_output, &width, &height);
+
+ if (wlr_output->lx < min_x) {
+ min_x = wlr_output->lx;
+ }
+ if (wlr_output->ly < min_y) {
+ min_y = wlr_output->ly;
+ }
+ if (wlr_output->lx + width > max_x) {
+ max_x = wlr_output->lx + width;
+ }
+ if (wlr_output->ly + height > max_y) {
+ max_y = wlr_output->ly + height;
+ }
+ }
+
+ box->x = min_x;
+ box->y = min_y;
+ box->width = max_x - min_x;
+ box->height = max_y - min_y;
+}
+
static bool handle_x11_event(struct wlr_x11_backend *x11,
xcb_generic_event_t *event) {
if (x11_handle_input_event(x11, event)) {