qt: Add GUIUtil::bringToFront

src/qt/guiutil.cpp

@@ -60,6 +60,14 @@
 #include <QFontDatabase>
 #endif
 
+#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)
@@ -353,6 +361,27 @@ 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";
@@ -663,13 +692,8 @@ 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)
 {

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();