From 7c0331df656778f4277cd63ecbfc815f6a67edc2 Mon Sep 17 00:00:00 2001
From: WerWolv <werwolv98@gmail.com>
Date: Sun, 19 Jan 2025 17:04:31 +0100
Subject: [PATCH] impr: Hide window on macOS when close button is pressed

---
 lib/libimhex/source/helpers/utils.cpp     |  7 +++++++
 lib/libimhex/source/helpers/utils_macos.m | 15 +++++++++++++++
 main/gui/source/window/window.cpp         |  8 ++++++--
 3 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/lib/libimhex/source/helpers/utils.cpp b/lib/libimhex/source/helpers/utils.cpp
index ea939da31..4a109bc7c 100644
--- a/lib/libimhex/source/helpers/utils.cpp
+++ b/lib/libimhex/source/helpers/utils.cpp
@@ -856,4 +856,11 @@ namespace hex {
             return ImAlphaBlendColors(a.value(), b.value());
     }
 
+    extern "C" void macOSCloseButtonPressed() {
+        auto windowHandle = ImHexApi::System::getMainWindowHandle();
+
+        glfwHideWindow(windowHandle);
+        glfwIconifyWindow(windowHandle);
+    }
+
 }
\ No newline at end of file
diff --git a/lib/libimhex/source/helpers/utils_macos.m b/lib/libimhex/source/helpers/utils_macos.m
index ee0294c47..37702bb44 100644
--- a/lib/libimhex/source/helpers/utils_macos.m
+++ b/lib/libimhex/source/helpers/utils_macos.m
@@ -48,6 +48,17 @@
         return [[NSScreen mainScreen] backingScaleFactor];
     }
 
+    void macOSCloseButtonPressed(void);
+
+    @interface CloseButtonHandler : NSObject
+    @end
+
+    @implementation CloseButtonHandler
+    - (void)pressed:(id)sender {
+        macOSCloseButtonPressed();
+    }
+    @end
+
     void setupMacosWindowStyle(GLFWwindow *window, bool borderlessWindowMode) {
         NSWindow* cocoaWindow = glfwGetCocoaWindow(window);
 
@@ -61,6 +72,10 @@
             [cocoaWindow setHasShadow:YES];
             [cocoaWindow setBackgroundColor:[NSColor colorWithWhite: 0 alpha: 0.001f]];
         }
+
+        NSButton *closeButton = [cocoaWindow standardWindowButton:NSWindowCloseButton];
+        [closeButton setAction:@selector(pressed:)];
+        [closeButton setTarget:[CloseButtonHandler alloc]];
     }
 
     bool isMacosFullScreenModeEnabled(GLFWwindow *window) {
diff --git a/main/gui/source/window/window.cpp b/main/gui/source/window/window.cpp
index d81f819ac..fa04d3d31 100644
--- a/main/gui/source/window/window.cpp
+++ b/main/gui/source/window/window.cpp
@@ -932,12 +932,16 @@ namespace hex {
         glfwSetCursorPosCallback(m_window, unlockFrameRate);
         glfwSetMouseButtonCallback(m_window, unlockFrameRate);
         glfwSetScrollCallback(m_window, unlockFrameRate);
-        glfwSetWindowFocusCallback(m_window, unlockFrameRate);
 
-        glfwSetWindowFocusCallback(m_window, [](GLFWwindow *, int focused) {
+        glfwSetWindowFocusCallback(m_window, [](GLFWwindow *window, int focused) {
+            unlockFrameRate(window);
             EventWindowFocused::post(focused == GLFW_TRUE);
         });
 
+        glfwSetWindowMaximizeCallback(m_window, [](GLFWwindow *window, int) {
+            glfwShowWindow(window);
+        });
+
         // Register key press callback
         glfwSetInputMode(m_window, GLFW_LOCK_KEY_MODS, GLFW_TRUE);
         glfwSetKeyCallback(m_window, [](GLFWwindow *window, int key, int scanCode, int action, int mods) {