Changeset 102476 in vbox

Timestamp:

Dec 5, 2023 1:44:42 PM (12 months ago)

Author:

vboxsync

Message:

FE/Qt: UICommon is now able to notify listeners about theme changes; For now the change is only triggered on macOS host as an example.

Location:

trunk/src/VBox/Frontends/VirtualBox/src

Files:

• globals/UICommon.cpp (modified) (4 diffs)
• globals/UICommon.h (modified) (2 diffs)
• platform/darwin/UICocoaApplication.h (modified) (1 diff)
• platform/darwin/UICocoaApplication.mm (modified) (1 diff)

trunk/src/VBox/Frontends/VirtualBox/src/globals/UICommon.cpp

@@ -83 +83 @@
 #include "UIWizardNewVD.h"
 #ifdef VBOX_WS_MAC
+# include "UICocoaApplication.h"
 # include "UIMachineWindowFullscreen.h"
 # include "UIMachineWindowSeamless.h"
@@ -190 +191 @@
     , m_fDataCommitted(false)
 #endif
+#ifdef VBOX_WS_MAC
+    , m_fDarkMode(false)
+#endif
 #ifdef VBOX_WS_NIX
     , m_enmWindowManagerType(X11WMType_Unknown)
@@ -311 +315 @@
     m_pThreadPoolCloud = new UIThreadPool(2 /* worker count */, 1000 /* worker timeout */);
 
+#ifdef VBOX_WS_MAC
+    /* Load whether macOS is in Dark mode: */
+    m_fDarkMode = UICocoaApplication::instance()->isDarkMode();
+#endif
 #ifdef VBOX_WS_WIN
     /* Load color theme: */
@@ -2729 +2737 @@
     }
 
+#ifdef VBOX_WS_MAC
+    /* Handle application palette change event: */
+    if (   pEvent->type() == QEvent::ApplicationPaletteChange
+        && pObject == windowManager().mainWindowShown())
+    {
+        const bool fDarkMode = UICocoaApplication::instance()->isDarkMode();
+        if (m_fDarkMode != fDarkMode)
+        {
+            m_fDarkMode = fDarkMode;
+            emit sigThemeChange();
+        }
+    }
+#endif
+
     /* Call to base-class: */
     return QObject::eventFilter(pObject, pEvent);
 }
-
 
 void UICommon::sltHandleFontScaleFactorChanged(int iFontScaleFactor)

trunk/src/VBox/Frontends/VirtualBox/src/globals/UICommon.h

@@ -94 +94 @@
     /** @} */
 
+    /** @name Theme stuff.
+     * @{ */
+        /** Notifies listeners about theme change. */
+        void sigThemeChange();
+    /** @} */
+
     /** @name COM: Extension Pack stuff.
      * @{ */
@@ -634 +640 @@
         bool  m_fDataCommitted;
 #endif
+
+#ifdef VBOX_WS_MAC
+        /** Holds whether macOS is in Dark mode. */
+        bool  m_fDarkMode;
+#endif
     /** @} */
 

trunk/src/VBox/Frontends/VirtualBox/src/platform/darwin/UICocoaApplication.h

@@ -77 +77 @@
     bool isActive() const;
 
+    /** Returns whether app is in Dark mode. */
+    bool isDarkMode() const;
+
     /** Hides the application. */
     void hide();

trunk/src/VBox/Frontends/VirtualBox/src/platform/darwin/UICocoaApplication.mm

@@ -329 +329 @@
 }
 
+bool UICocoaApplication::isDarkMode() const
+{
+    NativeNSStringRef pstrInterfaceMode = [[NSUserDefaults standardUserDefaults] stringForKey:@"AppleInterfaceStyle"];
+    return [pstrInterfaceMode isEqualToString :@"Dark"];
+}
+
 void UICocoaApplication::hide()
 {