From 7b15d34f0af9b1c8ef49279827eee47e4dca9afa Mon Sep 17 00:00:00 2001
From: Maurice Kraus <dev@mkraus.io>
Date: Tue, 20 Feb 2024 20:20:08 +0100
Subject: [PATCH] core: add support for 90/270 degree rotated monitors (#26)

---
 src/core/Output.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/core/Output.cpp b/src/core/Output.cpp
index cebdab3..1622ef0 100644
--- a/src/core/Output.cpp
+++ b/src/core/Output.cpp
@@ -11,7 +11,13 @@ static void handleGeometry(void* data, wl_output* output, int32_t x, int32_t y,
 
 static void handleMode(void* data, wl_output* output, uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
     const auto POUTPUT = (COutput*)data;
-    POUTPUT->size      = {width, height};
+
+    // handle portrait mode and flipped cases
+    if (POUTPUT->transform == WL_OUTPUT_TRANSFORM_270 || POUTPUT->transform == WL_OUTPUT_TRANSFORM_90 ||
+        POUTPUT->transform == WL_OUTPUT_TRANSFORM_FLIPPED_270 || POUTPUT->transform == WL_OUTPUT_TRANSFORM_FLIPPED_90)
+        POUTPUT->size = {height, width};
+    else
+        POUTPUT->size = {width, height};
 }
 
 static void handleDone(void* data, wl_output* output) {