UI: Programs: Warn for "Apply same rules to child processes" option

src/ui/form/prog/programeditdialog.cpp

@@ -564,6 +564,8 @@ void ProgramEditDialog::setupChildOptions()
     m_cbApplyChild->setIcon(
             GuiUtil::overlayIcon(":/icons/application_double.png", ":/icons/tick.png"));
 
+    connect(m_cbApplyChild, &QCheckBox::clicked, this, &ProgramEditDialog::warnRestartNeededOption);
+
     // Kill Child
     m_cbKillChild = new QCheckBox();
     m_cbKillChild->setIcon(IconCache::icon(":/icons/scull.png"));
@@ -895,3 +897,10 @@ void ProgramEditDialog::warnDangerousOption() const
                "Be careful when killing a system services or other important programs!\n"
                "It can cause a Windows malfunction or totally unusable."));
 }
+
+void ProgramEditDialog::warnRestartNeededOption() const
+{
+    IoC<WindowManager>()->showErrorBox(
+            tr("Attention: This option only affects new processes!\n\n"
+               "Please restart the running program to take effect of this option."));
+}

src/ui/form/prog/programeditdialog.h

@@ -107,6 +107,7 @@ private:
     void editRuleDialog(int ruleId);
 
     void warnDangerousOption() const;
+    void warnRestartNeededOption() const;
 
 private:
     ProgramsController *m_ctrl = nullptr;