qt: Add GUIUtil::bringToFront

Github-Pull: #14123
Rebased-From: 5796671e1dd8a2d0b1e750c2dce19a10af624095

2 files changed, 32 insertions, 5 deletions

diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index f8f031041c..0d80651431 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -64,6 +64,14 @@
 
 static fs::detail::utf8_codecvt_facet utf8;
 
+#if defined(Q_OS_MAC)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+
+#include <objc/objc-runtime.h>
+#include <CoreServices/CoreServices.h>
+#endif
+
 namespace GUIUtil {
 
 QString dateTimeStr(const QDateTime &date)
@@ -357,6 +365,27 @@ bool isObscured(QWidget *w)
         && checkPoint(QPoint(w->width() / 2, w->height() / 2), w));
 }
 
+void bringToFront(QWidget* w)
+{
+#ifdef Q_OS_MAC
+    // Force application activation on macOS. With Qt 5.4 this is required when
+    // an action in the dock menu is triggered.
+    id app = objc_msgSend((id) objc_getClass("NSApplication"), sel_registerName("sharedApplication"));
+    objc_msgSend(app, sel_registerName("activateIgnoringOtherApps:"), YES);
+#endif
+
+    if (w) {
+        // activateWindow() (sometimes) helps with keyboard focus on Windows
+        if (w->isMinimized()) {
+            w->showNormal();
+        } else {
+            w->show();
+        }
+        w->activateWindow();
+        w->raise();
+    }
+}
+
 void openDebugLogfile()
 {
     fs::path pathDebug = GetDataDir() / "debug.log";
@@ -682,13 +711,8 @@ bool SetStartOnSystemStartup(bool fAutoStart)
 
 
 #elif defined(Q_OS_MAC)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 // based on: https://github.com/Mozketo/LaunchAtLoginController/blob/master/LaunchAtLoginController.m
 
-#include <CoreFoundation/CoreFoundation.h>
-#include <CoreServices/CoreServices.h>
-
 LSSharedFileListItemRef findStartupItemInList(LSSharedFileListRef list, CFURLRef findUrl);
 LSSharedFileListItemRef findStartupItemInList(LSSharedFileListRef list, CFURLRef findUrl)
 {
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index 011827e134..f1d0aa48ef 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -115,6 +115,9 @@ namespace GUIUtil
     // Determine whether a widget is hidden behind other windows
     bool isObscured(QWidget *w);
 
+    // Activate, show and raise the widget
+    void bringToFront(QWidget* w);
+
     // Open debug.log
     void openDebugLogfile();