From 49ec30899ef5a9324e4a778fed17432171123eac Mon Sep 17 00:00:00 2001
From: WerWolv <werwolv98@gmail.com>
Date: Tue, 23 Dec 2025 15:56:45 +0100
Subject: [PATCH] feat: Give macOS window a Liquid Glass look when the
 background is set to transparent

---
 lib/libimhex/source/helpers/utils_macos.m | 48 +++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/lib/libimhex/source/helpers/utils_macos.m b/lib/libimhex/source/helpers/utils_macos.m
index 56ee0dbde..c5e284969 100644
--- a/lib/libimhex/source/helpers/utils_macos.m
+++ b/lib/libimhex/source/helpers/utils_macos.m
@@ -1,5 +1,8 @@
 #if defined(OS_MACOS)
 
+    #pragma clang diagnostic push
+    #pragma clang diagnostic ignored "-Wdeprecated-declarations"
+
     #include <CoreFoundation/CFBundle.h>
     #include <ApplicationServices/ApplicationServices.h>
     #include <Foundation/NSUserDefaults.h>
@@ -70,6 +73,49 @@
             cocoaWindow.titlebarAppearsTransparent = YES;
             cocoaWindow.styleMask |= NSWindowStyleMaskFullSizeContentView;
 
+            // Setup liquid glass background effect
+            {
+                NSView* glfwContentView = [cocoaWindow contentView];
+
+                NSOpenGLContext* context = [NSOpenGLContext currentContext];
+                if (!context) {
+                    glfwMakeContextCurrent(window);
+                    context = [NSOpenGLContext currentContext];
+                }
+
+                GLint opaque = 0;
+                [context setValues:&opaque forParameter:NSOpenGLCPSurfaceOpacity];
+                [context update];
+
+                NSView* containerView = [[NSView alloc] initWithFrame:[glfwContentView frame]];
+                containerView.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable;
+                [containerView setWantsLayer:YES];
+
+                Class glassEffectClass = NSClassFromString(@"NSGlassEffectView");
+                NSView* effectView = nil;
+                if (glassEffectClass) {
+                    // Use the new liquid glass effect
+                    effectView = [[glassEffectClass alloc] initWithFrame:[containerView bounds]];
+                } else {
+                    // Fall back to NSVisualEffectView for older systems
+                    NSVisualEffectView* visualEffectView = [[NSVisualEffectView alloc] initWithFrame:[containerView bounds]];
+                    visualEffectView.material = NSVisualEffectMaterialHUDWindow;
+                    visualEffectView.blendingMode = NSVisualEffectBlendingModeBehindWindow;
+                    visualEffectView.state = NSVisualEffectStateActive;
+                    effectView = visualEffectView;
+                }
+
+                effectView.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable;
+
+                [containerView addSubview:effectView];
+
+                [glfwContentView removeFromSuperview];
+                glfwContentView.autoresizingMask = NSViewWidthSizable | NSViewHeightSizable;
+                [containerView addSubview:glfwContentView];
+
+                [cocoaWindow setContentView:containerView];
+            }
+
             [cocoaWindow setOpaque:NO];
             [cocoaWindow setHasShadow:YES];
             [cocoaWindow setBackgroundColor:[NSColor colorWithWhite: 0 alpha: 0.001f]];
@@ -407,4 +453,6 @@
         }
     }
 
+    #pragma clang diagnostic pop
+
 #endif