core: add an ANR dialog

for xdg-shell, we can ping the wm_base, and thus render an ANR dialog if an app dies

for XWayland, there probably is a similar method, but I don't know about it and don't care.

2 files changed, 17 insertions, 5 deletions

diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index 3b641c36..1a296b65 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -1396,12 +1396,18 @@ void CHyprOpenGLImpl::renderTextureInternalWithDamage(SP<CTexture> tex, const CB
         glUniform1f(shader->roundingPower, roundingPower);
 
         if (allowDim && m_RenderData.currentWindow) {
-            glUniform1i(shader->applyTint, 1);
-            const auto DIM = m_RenderData.currentWindow->m_fDimPercent->value();
-            glUniform3f(shader->tint, 1.f - DIM, 1.f - DIM, 1.f - DIM);
-        } else {
+            if (m_RenderData.currentWindow->m_notRespondingTint->value() > 0) {
+                const auto DIM = m_RenderData.currentWindow->m_notRespondingTint->value();
+                glUniform1i(shader->applyTint, 1);
+                glUniform3f(shader->tint, 1.f - DIM, 1.f - DIM, 1.f - DIM);
+            } else if (m_RenderData.currentWindow->m_fDimPercent->value() > 0) {
+                glUniform1i(shader->applyTint, 1);
+                const auto DIM = m_RenderData.currentWindow->m_fDimPercent->value();
+                glUniform3f(shader->tint, 1.f - DIM, 1.f - DIM, 1.f - DIM);
+            } else
+                glUniform1i(shader->applyTint, 0);
+        } else
             glUniform1i(shader->applyTint, 0);
-        }
     }
 
     const float verts[] = {
diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index b61f1c3e..f01a0d12 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -473,6 +473,12 @@ void CHyprRenderer::renderWindow(PHLWINDOW pWindow, PHLMONITOR pMonitor, timespe
     if (ignorePosition) {
         renderdata.pos.x = pMonitor->vecPosition.x;
         renderdata.pos.y = pMonitor->vecPosition.y;
+    } else {
+        const bool ANR = pWindow->isNotResponding();
+        if (ANR && pWindow->m_notRespondingTint->goal() != 0.2F)
+            *pWindow->m_notRespondingTint = 0.2F;
+        else if (!ANR && pWindow->m_notRespondingTint->goal() != 0.F)
+            *pWindow->m_notRespondingTint = 0.F;
     }
 
     if (standalone)