From 8de7cc5a8da13973b347d5da96de89efc3dbdbaf Mon Sep 17 00:00:00 2001
From: vaxerski <43317083+vaxerski@users.noreply.github.com>
Date: Tue, 31 May 2022 17:35:50 +0200
Subject: [PATCH] opacity windowrule support 2 values

---
 src/Window.hpp          |  1 +
 src/events/Windows.cpp  | 10 +++++++++-
 src/render/Renderer.cpp |  5 ++++-
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/Window.hpp b/src/Window.hpp
index 7fd909ba..7d357292 100644
--- a/src/Window.hpp
+++ b/src/Window.hpp
@@ -9,6 +9,7 @@
 
 struct SWindowSpecialRenderData {
     float alpha = 1.f;
+    float alphaInactive = -1.f; // -1 means unset
 };  
 
 struct SWindowAdditionalConfigData {
diff --git a/src/events/Windows.cpp b/src/events/Windows.cpp
index 0fbb7227..47cb5b24 100644
--- a/src/events/Windows.cpp
+++ b/src/events/Windows.cpp
@@ -114,7 +114,15 @@ void Events::listener_mapWindow(void* owner, void* data) {
             }
         } else if (r.szRule.find("opacity") == 0) {
             try {
-                PWINDOW->m_sSpecialRenderData.alpha = std::stof(r.szRule.substr(r.szRule.find_first_of(' ') + 1));
+                std::string alphaPart = r.szRule.substr(r.szRule.find_first_of(' ') + 1);
+
+                if (alphaPart.find_first_of(' ') != std::string::npos) {
+                    // we have a comma, 2 values
+                    PWINDOW->m_sSpecialRenderData.alpha = std::stof(alphaPart.substr(0, alphaPart.find_first_of(' ')));
+                    PWINDOW->m_sSpecialRenderData.alphaInactive = std::stof(alphaPart.substr(alphaPart.find_first_of(' ') + 1));
+                } else {
+                    PWINDOW->m_sSpecialRenderData.alpha = std::stof(alphaPart);
+                }
             } catch(std::exception& e) {
                 Debug::log(ERR, "Opacity rule \"%s\" failed with: %s", r.szRule.c_str(), e.what());
             }
diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index 096102e0..86528f53 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -130,7 +130,10 @@ void CHyprRenderer::renderWindow(CWindow* pWindow, SMonitor* pMonitor, timespec*
     renderdata.rounding = pWindow->m_sAdditionalConfigData.rounding;
 
     // apply window special data
-    renderdata.alpha *= pWindow->m_sSpecialRenderData.alpha;
+    if (pWindow->m_sSpecialRenderData.alphaInactive == -1)
+        renderdata.alpha *= pWindow->m_sSpecialRenderData.alpha;
+    else
+        renderdata.alpha *= pWindow == g_pCompositor->m_pLastWindow ? pWindow->m_sSpecialRenderData.alpha : pWindow->m_sSpecialRenderData.alphaInactive;
 
     g_pHyprOpenGL->m_pCurrentWindow = pWindow;