From 53ddffeb149b1df022234590e8bced6ca1b90ca7 Mon Sep 17 00:00:00 2001
From: Colin Kinloch <colin.kinloch@collabora.com>
Date: Tue, 4 Jun 2024 11:30:18 +0100
Subject: [PATCH] Fix wayland icon with SDL_VIDEO_WAYLAND_WMCLASS

This is used by SDL to set the xdg_toplevel app_id
---
 src/gui/gui.cpp | 3 +++
 src/gui/gui.h   | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index e3b3fac1f..9a17e8669 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -6744,6 +6744,9 @@ bool FurnaceGUI::init() {
   SDL_SetHint(SDL_HINT_X11_WINDOW_TYPE,"_NET_WM_WINDOW_TYPE_NORMAL");
 #endif
 
+  // This sets the icon in wayland
+  SDL_setenv("SDL_VIDEO_WAYLAND_WMCLASS", FURNACE_APP_ID, 0);
+
   // initialize SDL
   logD("initializing video...");
   if (SDL_Init(SDL_INIT_VIDEO)!=0) {
diff --git a/src/gui/gui.h b/src/gui/gui.h
index 288cabc1f..024209ee3 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -36,6 +36,8 @@
 
 #include "fileDialog.h"
 
+#define FURNACE_APP_ID "org.tildearrow.furnace"
+
 #define rightClickable if (ImGui::IsItemClicked(ImGuiMouseButton_Right)) ImGui::SetKeyboardFocusHere(-1);
 #define ctrlWheeling ((ImGui::IsKeyDown(ImGuiKey_LeftCtrl) || ImGui::IsKeyDown(ImGuiKey_RightCtrl)) && wheelY!=0)