synthetize 'button up' event before doubleclick, too

[wxWidgets.git] / samples / menu / menu.cpp

diff --git a/samples/menu/menu.cpp b/samples/menu/menu.cpp
index 26cb1baeac73284ebd759a19b69c7018e5f14480..63a7454627e0178371dda21aa5c35b5199d4c5d0 100644 (file)
--- a/samples/menu/menu.cpp
+++ b/samples/menu/menu.cpp
@@ -18,18 +18,28 @@
 // ----------------------------------------------------------------------------
 
 // For compilers that support precompilation, includes "wx/wx.h".
 // ----------------------------------------------------------------------------
 
 // For compilers that support precompilation, includes "wx/wx.h".

-#include <wx/wxprec.h>
+#include "wx/wxprec.h"

 
 #ifdef __BORLANDC__
     #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP
 
 #ifdef __BORLANDC__
     #pragma hdrstop
 #endif
 
 #ifndef WX_PRECOMP

-    #include <wx/wx.h>
-
-    #include <wx/log.h>
+    #include "wx/app.h"
+    #include "wx/frame.h"
+    #include "wx/menu.h"
+    #include "wx/msgdlg.h"
+    #include "wx/log.h"
+    #include "wx/textctrl.h"

 #endif
 
 #endif
 

+#if !wxUSE_MENUS
+    // nice try...
+    #error "menu sample requires wxUSE_MENUS=1"
+#endif // wxUSE_MENUS
+
+#include "copy.xpm"
+

 // ----------------------------------------------------------------------------
 // classes
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // classes
 // ----------------------------------------------------------------------------


@@ -47,9 +57,14 @@ class MyFrame: public wxFrame
 public:
     MyFrame();
 
 public:
     MyFrame();
 

-    virtual ~MyFrame() { delete m_menu; }
+    virtual ~MyFrame();
+
+    void LogMenuEvent(const wxCommandEvent& event);

 
 

+protected:

     void OnQuit(wxCommandEvent& event);
     void OnQuit(wxCommandEvent& event);

+    void OnClearLog(wxCommandEvent& event);
+

     void OnAbout(wxCommandEvent& event);
 
     void OnDummy(wxCommandEvent& event);
     void OnAbout(wxCommandEvent& event);
 
     void OnDummy(wxCommandEvent& event);


@@ -72,19 +87,48 @@ public:
     void OnGetLabelMenu(wxCommandEvent& event);
     void OnSetLabelMenu(wxCommandEvent& event);
 
     void OnGetLabelMenu(wxCommandEvent& event);
     void OnSetLabelMenu(wxCommandEvent& event);
 

-    void OnRightDown(wxMouseEvent& event);
+    void OnRightUp(wxMouseEvent& event);

 
     void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
 
 
     void OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event);
 

+    void OnSize(wxSizeEvent& event);
+

 private:
     wxMenu *CreateDummyMenu(wxString *title);
 
     wxMenuItem *GetLastMenuItem() const;
 
 private:
     wxMenu *CreateDummyMenu(wxString *title);
 
     wxMenuItem *GetLastMenuItem() const;
 

-    wxMenu     *m_menu;
+    // the menu previously detached from the menubar (may be NULL)
+    wxMenu *m_menu;

 
 

+    // the count of dummy menus already created

     size_t m_countDummy;
 
     size_t m_countDummy;
 

+    // the control used for logging
+    wxTextCtrl *m_textctrl;
+
+    // the previous log target
+    wxLog *m_logOld;
+
+    DECLARE_EVENT_TABLE()
+};
+
+// A small helper class which intercepts all menu events and logs them
+class MyEvtHandler : public wxEvtHandler
+{
+public:
+    MyEvtHandler(MyFrame *frame) { m_frame = frame; }
+
+    void OnMenuEvent(wxCommandEvent& event)
+    {
+        m_frame->LogMenuEvent(event);
+
+        event.Skip();
+    }
+
+private:
+    MyFrame *m_frame;
+

     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 


@@ -95,6 +139,7 @@ private:
 enum
 {
     Menu_File_Quit = 100,
 enum
 {
     Menu_File_Quit = 100,

+    Menu_File_ClearLog,

 
     Menu_MenuBar_Toggle = 200,
     Menu_MenuBar_Append,
 
     Menu_MenuBar_Toggle = 200,
     Menu_MenuBar_Append,


@@ -135,7 +180,8 @@ enum
 // ----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 // ----------------------------------------------------------------------------
 
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)

-    EVT_MENU(Menu_File_Quit, MyFrame::OnQuit)
+    EVT_MENU(Menu_File_Quit,     MyFrame::OnQuit)
+    EVT_MENU(Menu_File_ClearLog, MyFrame::OnClearLog)

 
     EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
 
 
     EVT_MENU(Menu_Help_About, MyFrame::OnAbout)
 


@@ -161,7 +207,13 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 
     EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
 
 
     EVT_UPDATE_UI(Menu_Menu_Check, MyFrame::OnUpdateCheckMenuItemUI)
 

-    EVT_RIGHT_DOWN(MyFrame::OnRightDown)
+    EVT_RIGHT_UP(MyFrame::OnRightUp)
+
+    EVT_SIZE(MyFrame::OnSize)
+END_EVENT_TABLE()
+
+BEGIN_EVENT_TABLE(MyEvtHandler, wxEvtHandler)
+    EVT_MENU(-1, MyEvtHandler::OnMenuEvent)

 END_EVENT_TABLE()
 
 // ============================================================================
 END_EVENT_TABLE()
 
 // ============================================================================


@@ -183,7 +235,9 @@ bool MyApp::OnInit()
 
     frame->Show(TRUE);
 
 
     frame->Show(TRUE);
 

-    frame->SetStatusText("Hello, wxWindows");
+#if wxUSE_STATUSBAR
+    frame->SetStatusText("Welcome to wxWindows menu sample");
+#endif // wxUSE_STATUSBAR

 
     SetTopWindow(frame);
 
 
     SetTopWindow(frame);
 


@@ -199,14 +253,24 @@ MyFrame::MyFrame()
        : wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
                  wxDefaultPosition, wxSize(300, 200))
 {
        : wxFrame((wxFrame *)NULL, -1, "wxWindows menu sample",
                  wxDefaultPosition, wxSize(300, 200))
 {

+    m_textctrl = NULL;

     m_menu = NULL;
     m_countDummy = 0;
     m_menu = NULL;
     m_countDummy = 0;

+    m_logOld = NULL;

 
 

+#if wxUSE_STATUSBAR

     CreateStatusBar();
     CreateStatusBar();

+#endif // wxUSE_STATUSBAR

 
     // create the menubar
     wxMenu *fileMenu = new wxMenu;
 
     // create the menubar
     wxMenu *fileMenu = new wxMenu;

-    fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit toolbar sample" );
+
+    wxMenuItem *item = new wxMenuItem(fileMenu, Menu_File_ClearLog,
+                                      "Clear &log\tCtrl-L");
+    item->SetBitmap(copy_xpm);
+    fileMenu->Append(item);
+    fileMenu->AppendSeparator();
+    fileMenu->Append(Menu_File_Quit, "E&xit\tAlt-X", "Quit menu sample");

 
     wxMenu *menubarMenu = new wxMenu;
     menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",
 
     wxMenu *menubarMenu = new wxMenu;
     menubarMenu->Append(Menu_MenuBar_Append, "&Append menu\tCtrl-A",


@@ -267,18 +331,45 @@ MyFrame::MyFrame()
 
     // associate the menu bar with the frame
     SetMenuBar(menuBar);
 
     // associate the menu bar with the frame
     SetMenuBar(menuBar);

+
+    // intercept all menu events and log them in this custom event handler
+    PushEventHandler(new MyEvtHandler(this));
+
+    // create the log text window
+    m_textctrl = new wxTextCtrl(this, -1, _T(""),
+                                wxDefaultPosition, wxDefaultSize,
+                                wxTE_MULTILINE);
+    m_textctrl->SetEditable(FALSE);
+    m_logOld = wxLog::SetActiveTarget(new wxLogTextCtrl(m_textctrl));
+
+    wxLogMessage(_T("Brief explanations: the commands or the \"Menu\" menu\n")
+                 _T("append/insert/delete items to/from the last menu.\n")
+                 _T("The commands from \"Menubar\" menu work with the\n")
+                 _T("menubar itself.\n")
+                 _T("Right click the band below to test popup menus.\n"));
+}
+
+MyFrame::~MyFrame()
+{
+    delete m_menu;
+
+    // delete the event handler installed in ctor
+    PopEventHandler(TRUE);
+
+    // restore old logger
+    delete wxLog::SetActiveTarget(m_logOld);

 }
 
 wxMenu *MyFrame::CreateDummyMenu(wxString *title)
 {
     wxMenu *menu = new wxMenu;
 }
 
 wxMenu *MyFrame::CreateDummyMenu(wxString *title)
 {
     wxMenu *menu = new wxMenu;

-    menu->Append(Menu_Dummy_First, "First item\tCtrl-F1");
+    menu->Append(Menu_Dummy_First, "&First item\tCtrl-F1");

     menu->AppendSeparator();
     menu->AppendSeparator();

-    menu->Append(Menu_Dummy_Second, "Second item\tCtrl-F2", "", TRUE);
+    menu->Append(Menu_Dummy_Second, "&Second item\tCtrl-F2", "", TRUE);

 
     if ( title )
     {
 
     if ( title )
     {

-        title->Printf("Dummy menu &%d", ++m_countDummy);
+        title->Printf(wxT("Dummy menu &%d"), ++m_countDummy);

     }
 
     return menu;
     }
 
     return menu;


@@ -292,7 +383,7 @@ wxMenuItem *MyFrame::GetLastMenuItem() const
     wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
     if ( !node )
     {
     wxMenuItemList::Node *node = menu->GetMenuItems().GetLast();
     if ( !node )
     {

-        wxLogWarning("No last item in the last menu!");
+        wxLogWarning(wxT("No last item in the last menu!"));

 
         return NULL;
     }
 
         return NULL;
     }


@@ -302,14 +393,39 @@ wxMenuItem *MyFrame::GetLastMenuItem() const
     }
 }
 
     }
 }
 

+void MyFrame::LogMenuEvent(const wxCommandEvent& event)
+{
+    int id = event.GetId();
+    if ( !GetMenuBar()->FindItem(id) )
+        return;
+
+    wxString msg = wxString::Format(wxT("Menu command %d"), id);
+    if ( GetMenuBar()->FindItem(id)->IsCheckable() )
+    {
+        msg += wxString::Format(wxT(" (the item is currently %schecked)"),
+                                event.IsChecked() ? "" : "not ");
+    }
+
+    wxLogMessage(msg);
+}
+
+// ----------------------------------------------------------------------------
+// menu callbacks
+// ----------------------------------------------------------------------------
+

 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {
     Close(TRUE);
 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {
     Close(TRUE);
 }
 

+void MyFrame::OnClearLog(wxCommandEvent& WXUNUSED(event))
+{
+    m_textctrl->Clear();
+}
+

 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {

-    (void)wxMessageBox("wxWindows toolbar sample",
+    (void)wxMessageBox("wxWindows menu sample\n© 1999-2001 Vadim Zeitlin",

                        "About wxWindows menu sample",
                        wxICON_INFORMATION);
 }
                        "About wxWindows menu sample",
                        wxICON_INFORMATION);
 }


@@ -322,7 +438,7 @@ void MyFrame::OnDeleteMenu(wxCommandEvent& WXUNUSED(event))
     if ( count == 2 )
     {
         // don't let delete the first 2 menus
     if ( count == 2 )
     {
         // don't let delete the first 2 menus

-        wxLogError("Can't delete any more menus");
+        wxLogError(wxT("Can't delete any more menus"));

     }
     else
     {
     }
     else
     {


@@ -360,15 +476,12 @@ void MyFrame::OnToggleMenu(wxCommandEvent& WXUNUSED(event))
     }
 }
 
     }
 }
 

-void MyFrame::OnEnableMenu(wxCommandEvent& WXUNUSED(event))
+void MyFrame::OnEnableMenu(wxCommandEvent& event)

 {
     wxMenuBar *mbar = GetMenuBar();
     size_t count = mbar->GetMenuCount();
 
 {
     wxMenuBar *mbar = GetMenuBar();
     size_t count = mbar->GetMenuCount();
 

-    static bool s_enabled = TRUE;
-
-    s_enabled = !s_enabled;
-    mbar->EnableTop(count - 1, s_enabled);
+    mbar->EnableTop(count - 1, event.IsChecked());

 }
 
 void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
 }
 
 void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))


@@ -376,7 +489,7 @@ void MyFrame::OnGetLabelMenu(wxCommandEvent& WXUNUSED(event))
     wxMenuBar *mbar = GetMenuBar();
     size_t count = mbar->GetMenuCount();
 
     wxMenuBar *mbar = GetMenuBar();
     size_t count = mbar->GetMenuCount();
 

-    wxLogMessage("The label of the last menu item is '%s'",
+    wxLogMessage(wxT("The label of the last menu item is '%s'"),

                  mbar->GetLabelTop(count - 1).c_str());
 }
 
                  mbar->GetLabelTop(count - 1).c_str());
 }
 


@@ -390,9 +503,7 @@ void MyFrame::OnSetLabelMenu(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnDummy(wxCommandEvent& event)
 {
 
 void MyFrame::OnDummy(wxCommandEvent& event)
 {

-    wxString s;
-    s.Printf("Dummy item #%d", event.GetId() - Menu_Dummy_First + 1);
-    wxMessageBox(s, "Menu sample", wxICON_INFORMATION);
+    wxLogMessage(wxT("Dummy item #%d"), event.GetId() - Menu_Dummy_First + 1);

 }
 
 void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
 }
 
 void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))


@@ -401,18 +512,18 @@ void MyFrame::OnAppendMenuItem(wxCommandEvent& WXUNUSED(event))
     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 
     menu->AppendSeparator();
     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
 
     menu->AppendSeparator();

-    menu->Append(Menu_Dummy_Third, "Third dummy item\tCtrl-F3",
+    menu->Append(Menu_Dummy_Third, "&Third dummy item\tCtrl-F3",

                  "Checkable item", TRUE);
 }
 
 void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
 {
     wxMenuBar *menubar = GetMenuBar();
                  "Checkable item", TRUE);
 }
 
 void MyFrame::OnAppendSubMenu(wxCommandEvent& WXUNUSED(event))
 {
     wxMenuBar *menubar = GetMenuBar();

-    
+

     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);
     wxMenu *menu = menubar->GetMenu(menubar->GetMenuCount() - 1);

-    
-    menu->Append(Menu_Dummy_Last, "Dummy sub menu\tCtrl-F2",
-                 CreateDummyMenu(NULL));
+
+    menu->Append(Menu_Dummy_Last, "&Dummy sub menu",
+                 CreateDummyMenu(NULL), "Dummy sub menu help");

 }
 
 void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
 }
 
 void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))


@@ -423,7 +534,7 @@ void MyFrame::OnDeleteMenuItem(wxCommandEvent& WXUNUSED(event))
     size_t count = menu->GetMenuItemCount();
     if ( !count )
     {
     size_t count = menu->GetMenuItemCount();
     if ( !count )
     {

-        wxLogWarning("No items to delete!");
+        wxLogWarning(wxT("No items to delete!"));

     }
     else
     {
     }
     else
     {


@@ -460,6 +571,8 @@ void MyFrame::OnCheckMenuItem(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
 {
 
 void MyFrame::OnUpdateCheckMenuItemUI(wxUpdateUIEvent& event)
 {

+    wxLogNull nolog;
+

     wxMenuItem *item = GetLastMenuItem();
 
     event.Enable(item && item->IsCheckable());
     wxMenuItem *item = GetLastMenuItem();
 
     event.Enable(item && item->IsCheckable());


@@ -471,7 +584,7 @@ void MyFrame::OnGetLabelMenuItem(wxCommandEvent& WXUNUSED(event))
 
     if ( item )
     {
 
     if ( item )
     {

-        wxLogMessage("The label of the last menu item is '%s'",
+        wxLogMessage(wxT("The label of the last menu item is '%s'"),

                      item->GetLabel().c_str());
     }
 }
                      item->GetLabel().c_str());
     }
 }


@@ -496,7 +609,7 @@ void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
         msg << "The item is " << (item->IsEnabled() ? "enabled"
                                                     : "disabled")
             << '\n';
         msg << "The item is " << (item->IsEnabled() ? "enabled"
                                                     : "disabled")
             << '\n';

-                                            
+

         if ( item->IsCheckable() )
         {
             msg << "It is checkable and " << (item->IsChecked() ? "" : "un")
         if ( item->IsCheckable() )
         {
             msg << "It is checkable and " << (item->IsChecked() ? "" : "un")


@@ -561,21 +674,46 @@ void MyFrame::OnGetMenuItemInfo(wxCommandEvent& WXUNUSED(event))
     }
 }
 
     }
 }
 

-void MyFrame::OnRightDown(wxMouseEvent &event )
+void MyFrame::OnRightUp(wxMouseEvent &event)

 {
     wxMenu menu("Test popup");
 
     menu.Append(Menu_Help_About, "&About");
 {
     wxMenu menu("Test popup");
 
     menu.Append(Menu_Help_About, "&About");

-    menu.Append(Menu_Popup_Submenu, "Submenu", CreateDummyMenu(NULL));
-    menu.Append(Menu_Popup_ToBeDeleted, "To be deleted");
-    menu.Append(Menu_Popup_ToBeChecked, "To be checked", "", TRUE);
-    menu.Append(Menu_Popup_ToBeGreyed, "To be greyed");
+    menu.Append(Menu_Popup_Submenu, "&Submenu", CreateDummyMenu(NULL));
+    menu.Append(Menu_Popup_ToBeDeleted, "To be &deleted");
+    menu.Append(Menu_Popup_ToBeChecked, "To be &checked", "", TRUE);
+    menu.Append(Menu_Popup_ToBeGreyed, "To be &greyed");

     menu.AppendSeparator();
     menu.Append(Menu_File_Quit, "E&xit");
 
     menu.AppendSeparator();
     menu.Append(Menu_File_Quit, "E&xit");
 

-    //menu.Delete(Menu_Popup_ToBeDeleted);
+    menu.Delete(Menu_Popup_ToBeDeleted);

     menu.Check(Menu_Popup_ToBeChecked, TRUE);
     menu.Enable(Menu_Popup_ToBeGreyed, FALSE);
 
     menu.Check(Menu_Popup_ToBeChecked, TRUE);
     menu.Enable(Menu_Popup_ToBeGreyed, FALSE);
 

+    PopupMenu(&menu, event.GetX(), event.GetY());
+
+    // test for destroying items in popup menus
+#if 0 // doesn't work in wxGTK!
+    menu.Destroy(Menu_Popup_Submenu);
+

     PopupMenu( &menu, event.GetX(), event.GetY() );
     PopupMenu( &menu, event.GetX(), event.GetY() );

+#endif // 0
+}
+
+void MyFrame::OnSize(wxSizeEvent& event)
+{
+    if ( !m_textctrl )
+        return;
+
+    // leave a band below for popup menu testing
+    wxSize size = GetClientSize();
+    m_textctrl->SetSize(0, 0, size.x, (3*size.y)/4);
+
+    // this is really ugly but we have to do it as we can't just call
+    // event.Skip() because wxFrameBase would make the text control fill the
+    // entire frame then
+#ifdef __WXUNIVERSAL__
+    PositionMenuBar();
+#endif // __WXUNIVERSAL__

 }
 }

+