From 962979ebf14d20dbe8fcfa7e9b82cbd6b02fc54b Mon Sep 17 00:00:00 2001
From: New Pagodi <m0051@thaleswell.com>
Date: Thu, 16 Mar 2017 23:31:17 +0100
Subject: [PATCH] Add option to display custom context menu in stc sample

This option could be useful to demonstrate ability to replace (override) standard Scintilla context menu with custom one. Switching between standard and custom popup menu is done with "Extra -> Custom popup menu" menu option.
---
 samples/stc/defsext.h   |  1 +
 samples/stc/edit.cpp    |  8 +++++++-
 samples/stc/edit.h      |  1 +
 samples/stc/stctest.cpp | 25 +++++++++++++++++++++++++
 4 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/samples/stc/defsext.h b/samples/stc/defsext.h
index d152c377eb..f046ecdbf2 100644
--- a/samples/stc/defsext.h
+++ b/samples/stc/defsext.h
@@ -76,6 +76,7 @@ enum {
     myID_MULTIPLE_SELECTIONS,
     myID_MULTI_PASTE,
     myID_MULTIPLE_SELECTIONS_TYPING,
+    myID_CUSTOM_POPUP,
     myID_USECHARSET,
     myID_CHARSETANSI,
     myID_CHARSETMAC,
diff --git a/samples/stc/edit.cpp b/samples/stc/edit.cpp
index 46b4154a3e..7ac43e73bb 100644
--- a/samples/stc/edit.cpp
+++ b/samples/stc/edit.cpp
@@ -111,6 +111,7 @@ wxBEGIN_EVENT_TABLE (Edit, wxStyledTextCtrl)
     EVT_MENU(myID_MULTIPLE_SELECTIONS,          Edit::OnMultipleSelections)
     EVT_MENU(myID_MULTI_PASTE,                  Edit::OnMultiPaste)
     EVT_MENU(myID_MULTIPLE_SELECTIONS_TYPING,   Edit::OnMultipleSelectionsTyping)
+    EVT_MENU(myID_CUSTOM_POPUP,                 Edit::OnCustomPopup)
     // stc
     EVT_STC_MARGINCLICK (wxID_ANY,     Edit::OnMarginClick)
     EVT_STC_CHARADDED (wxID_ANY,       Edit::OnCharAdded)
@@ -175,7 +176,7 @@ Edit::Edit (wxWindow *parent, wxWindowID id,
     m_FoldingMargin = 16;
     CmdKeyClear (wxSTC_KEY_TAB, 0); // this is done by the menu accelerator key
     SetLayoutCache (wxSTC_CACHE_PAGE);
-
+    UsePopUp(wxSTC_POPUP_ALL);
 }
 
 Edit::~Edit () {}
@@ -453,6 +454,11 @@ void Edit::OnMultipleSelectionsTyping(wxCommandEvent& WXUNUSED(event)) {
     SetAdditionalSelectionTyping(!isSet);
 }
 
+void Edit::OnCustomPopup(wxCommandEvent& evt)
+{
+    UsePopUp(evt.IsChecked() ? wxSTC_POPUP_NEVER : wxSTC_POPUP_ALL);
+}
+
 //! misc
 void Edit::OnMarginClick (wxStyledTextEvent &event) {
     if (event.GetMargin() == 2) {
diff --git a/samples/stc/edit.h b/samples/stc/edit.h
index 5613accc81..cf22973f12 100644
--- a/samples/stc/edit.h
+++ b/samples/stc/edit.h
@@ -101,6 +101,7 @@ public:
     void OnMultipleSelections(wxCommandEvent& event);
     void OnMultiPaste(wxCommandEvent& event);
     void OnMultipleSelectionsTyping(wxCommandEvent& event);
+    void OnCustomPopup(wxCommandEvent& evt);
     // stc
     void OnMarginClick (wxStyledTextEvent &event);
     void OnCharAdded  (wxStyledTextEvent &event);
diff --git a/samples/stc/stctest.cpp b/samples/stc/stctest.cpp
index 41cf9c2cef..c7524bea2a 100644
--- a/samples/stc/stctest.cpp
+++ b/samples/stc/stctest.cpp
@@ -146,6 +146,7 @@ public:
     void OnPrint (wxCommandEvent &event);
     //! edit events
     void OnEdit (wxCommandEvent &event);
+    void OnContextMenu(wxContextMenuEvent& evt);
 
 private:
     // edit object
@@ -276,6 +277,7 @@ wxBEGIN_EVENT_TABLE (AppFrame, wxFrame)
                                      AppFrame::OnEdit)
     // help
     EVT_MENU (wxID_ABOUT,            AppFrame::OnAbout)
+    EVT_CONTEXT_MENU(                AppFrame::OnContextMenu)
 wxEND_EVENT_TABLE ()
 
 AppFrame::AppFrame (const wxString &title)
@@ -438,6 +440,27 @@ void AppFrame::OnEdit (wxCommandEvent &event) {
     if (m_edit) m_edit->GetEventHandler()->ProcessEvent (event);
 }
 
+void AppFrame::OnContextMenu(wxContextMenuEvent& evt)
+{
+    wxPoint point = evt.GetPosition();
+    // If from keyboard
+    if ( point.x == -1 && point.y == -1 )
+    {
+        wxSize size = GetSize();
+        point.x = size.x / 2;
+        point.y = size.y / 2;
+    }
+    else
+    {
+        point = ScreenToClient(point);
+    }
+
+    wxMenu menu;
+    menu.Append(wxID_ABOUT, wxT("&About"));
+    menu.Append(wxID_EXIT, wxT("E&xit"));
+    PopupMenu(&menu, point);
+}
+
 // private functions
 void AppFrame::CreateMenu ()
 {
@@ -549,6 +572,8 @@ void AppFrame::CreateMenu ()
     menuExtra->AppendCheckItem(myID_MULTIPLE_SELECTIONS, _("Toggle &multiple selections"));
     menuExtra->AppendCheckItem(myID_MULTI_PASTE, _("Toggle multi-&paste"));
     menuExtra->AppendCheckItem(myID_MULTIPLE_SELECTIONS_TYPING, _("Toggle t&yping on multiple selections"));
+    menuExtra->AppendSeparator();
+    menuExtra->AppendCheckItem (myID_CUSTOM_POPUP, _("C&ustom popup menu"));
 
     // Window menu
     wxMenu *menuWindow = new wxMenu;