cage-xtmapper/0008-feat-set-custom-width-height-and-refresh-from-env-va.patch at v0.2.0 · Xtr126/cage-xtmapper · GitHub

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From 5a04e2ba27c525422912f4d4dff5a75c39e1c9da Mon Sep 17 00:00:00 2001
From: Xtr126 <k.gunetilleke@gmail.com>
Date: Thu, 18 Sep 2025 11:41:24 +0530
Subject: [PATCH 8/9] feat: set custom width, height and refresh from env vars

---
 .gitignore            |  2 +-
 output.c              | 24 ++++++++++++++++++++++++
 subprojects/.wraplock |  0
 subprojects/wlroots   |  2 +-
 4 files changed, 26 insertions(+), 2 deletions(-)
 create mode 100644 subprojects/.wraplock

diff --git a/.gitignore b/.gitignore
index 357804a..16d3c4d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-/.cache/
\ No newline at end of file
+.cache
diff --git a/output.c b/output.c
index f1c0419..d5a1899 100644
--- a/output.c
+++ b/output.c
@@ -255,6 +255,22 @@ handle_output_destroy(struct wl_listener *listener, void *data)
 	output_destroy(output);
 }

+static size_t parse_size_env(const char *name) {
+	const char *size_str = getenv(name);
+	if (size_str == NULL) {
+		return 0;
+	}
+
+	char *end;
+	int size = (int)strtol(size_str, &end, 10);
+	if (*end || size < 0) {
+		wlr_log(WLR_ERROR, "%s specified with invalid integer, ignoring", name);
+		return 0;
+	}
+
+	return size;
+}
+
 void
 handle_new_output(struct wl_listener *listener, void *data)
 {
@@ -325,6 +341,14 @@ handle_new_output(struct wl_listener *listener, void *data)
 			wlr_output->scale);
 	}

+	size_t width = parse_size_env("XTMAPPER_WIDTH");
+	size_t height = parse_size_env("XTMAPPER_HEIGHT");
+	size_t refresh = parse_size_env("XTMAPPER_REFRESH");
+
+	if (width > 0 && height > 0 && refresh > 0) wlr_output_state_set_custom_mode(&state, width, height, refresh);
+	else if (width > 0 && height > 0) wlr_output_state_set_custom_mode(&state, width, height, 0);
+	else if (refresh > 0) wlr_output_state_set_custom_mode(&state, wlr_output->width, wlr_output->height, refresh);
+
 	wlr_log(WLR_DEBUG, "Enabling new output %s", wlr_output->name);
 	if (wlr_output_commit_state(wlr_output, &state)) {
 		output_layout_add_auto(output);
diff --git a/subprojects/.wraplock b/subprojects/.wraplock
new file mode 100644
index 0000000..e69de29
diff --git a/subprojects/wlroots b/subprojects/wlroots
index 5bc3907..3b4057b 160000
--- a/subprojects/wlroots
+++ b/subprojects/wlroots
@@ -1 +1 @@
-Subproject commit 5bc39071d173301eb8b2cd652c711075526dfbd9
+Subproject commit 3b4057b3d8a84a358386ab7ed836f287c0960c8a
--
2.53.0