4 files changed, 24 insertions, 0 deletions
diff --git a/starmath/inc/helpids.h b/starmath/inc/helpids.h
index 195ccfb570a9..19325ebd2a16 100644
--- a/starmath/inc/helpids.h
+++ b/starmath/inc/helpids.h
@@ -21,6 +21,7 @@
 
 #include <rtl/ustring.hxx>
 
+inline constexpr OUStringLiteral HID_SMA_MAIN_HELP = u"STARMATH_HID_SMA_MAIN_HELP";
 inline constexpr OUStringLiteral HID_SMA_WIN_DOCUMENT = u"STARMATH_HID_SMA_WIN_DOCUMENT";
 inline constexpr OUStringLiteral HID_SMA_COMMAND_WIN_EDIT = u"STARMATH_HID_SMA_COMMAND_WIN_EDIT";
 
diff --git a/starmath/inc/view.hxx b/starmath/inc/view.hxx
index bef51e8560e0..dc42dde2fdc9 100644
--- a/starmath/inc/view.hxx
+++ b/starmath/inc/view.hxx
@@ -348,6 +348,9 @@ public:
     }
     static bool IsInlineEditEnabled();
 
+    // Opens the main help page for the Math module
+    void StartMainHelp();
+
 private:
     void ZoomByItemSet(const SfxItemSet *pSet);
 };
diff --git a/starmath/source/edit.cxx b/starmath/source/edit.cxx
index 1eee64ad04c7..4cb4f6532f64 100644
--- a/starmath/source/edit.cxx
+++ b/starmath/source/edit.cxx
@@ -288,6 +288,12 @@ bool SmEditTextWindow::Command(const CommandEvent& rCEvt)
 
 bool SmEditTextWindow::KeyInput(const KeyEvent& rKEvt)
 {
+    if (rKEvt.GetKeyCode().GetCode() == KEY_F1)
+    {
+        mrEditWindow.GetView()->StartMainHelp();
+        return true;
+    }
+
     if (rKEvt.GetKeyCode().GetCode() == KEY_ESCAPE)
     {
         bool bCallBase = true;
diff --git a/starmath/source/view.cxx b/starmath/source/view.cxx
index a67745184e34..449dc0e586e7 100644
--- a/starmath/source/view.cxx
+++ b/starmath/source/view.cxx
@@ -66,6 +66,7 @@
 #include <sfx2/zoomitem.hxx>
 #include <vcl/commandevent.hxx>
 #include <vcl/event.hxx>
+#include <vcl/help.hxx>
 #include <vcl/settings.hxx>
 #include <vcl/virdev.hxx>
 #include <sal/log.hxx>
@@ -700,6 +701,12 @@ bool CharInput(sal_uInt32 c, SmCursor& rCursor, OutputDevice& rDevice)
 
 bool SmGraphicWidget::KeyInput(const KeyEvent& rKEvt)
 {
+    if (rKEvt.GetKeyCode().GetCode() == KEY_F1)
+    {
+        GetView().StartMainHelp();
+        return true;
+    }
+
     if (!SmViewShell::IsInlineEditEnabled())
         return GetView().KeyInput(rKEvt);
 
@@ -2329,6 +2336,13 @@ bool SmViewShell::IsInlineEditEnabled()
            || officecfg::Office::Common::Misc::ExperimentalMode::get();
 }
 
+void SmViewShell::StartMainHelp()
+{
+    Help* pHelp = Application::GetHelp();
+    if (pHelp)
+        pHelp->Start(HID_SMA_MAIN_HELP, GetViewFrame().GetFrameWeld());
+}
+
 void SmViewShell::ZoomByItemSet(const SfxItemSet *pSet)
 {
     assert(pSet);