samples/minimal/minimal.cpp

   1 /*
   2     Test for menu swapping bug (?) with GTK 2.1.13
   3 */
   4
   5
   6
   7 /////////////////////////////////////////////////////////////////////////////
   8 // Name:        minimal.cpp
   9 // Purpose:     Minimal wxWindows sample
  10 // Author:      Julian Smart
  11 // Modified by:
  12 // Created:     04/01/98
  13 // RCS-ID:      $Id$
  14 // Copyright:   (c) Julian Smart
  15 // Licence:     wxWindows licence
  16 /////////////////////////////////////////////////////////////////////////////
  17
  18 // ============================================================================
  19 // declarations
  20 // ============================================================================
  21
  22 // ----------------------------------------------------------------------------
  23 // headers
  24 // ----------------------------------------------------------------------------
  25 #ifdef __GNUG__
  26     #pragma implementation "minimal.cpp"
  27     #pragma interface "minimal.cpp"
  28 #endif
  29
  30 // For compilers that support precompilation, includes "wx/wx.h".
  31 #include "wx/wxprec.h"
  32
  33 #ifdef __BORLANDC__
  34     #pragma hdrstop
  35 #endif
  36
  37 // for all others, include the necessary headers (this file is usually all you
  38 // need because it includes almost all "standard" wxWindows headers
  39 #ifndef WX_PRECOMP
  40     #include "wx/wx.h"
  41 #endif
  42
  43
  44 // ----------------------------------------------------------------------------
  45 // Global variables
  46 // ----------------------------------------------------------------------------
  47 static wxMenuBar *bar[2];
  48 static int current_bar;
  49
  50 // ----------------------------------------------------------------------------
  51 // ressources
  52 // ----------------------------------------------------------------------------
  53 // the application icon
  54 #if defined(__WXGTK__) || defined(__WXMOTIF__)
  55     #include "mondrian.xpm"
  56 #endif
  57
  58 // ----------------------------------------------------------------------------
  59 // private classes
  60 // ----------------------------------------------------------------------------
  61
  62 // Define a new application type, each program should derive a class from wxApp
  63 class MyApp : public wxApp
  64 {
  65 public:
  66     // override base class virtuals
  67     // ----------------------------
  68
  69     // this one is called on application startup and is a good place for the app
  70     // initialization (doing it here and not in the ctor allows to have an error
  71     // return: if OnInit() returns false, the application terminates)
  72     virtual bool OnInit();
  73 };
  74
  75 // Define a new frame type: this is going to be our main frame
  76 class MyFrame : public wxFrame
  77 {
  78 public:
  79     // ctor(s)
  80     MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
  81
  82     // event handlers (these functions should _not_ be virtual)
  83     void OnQuit(wxCommandEvent& event);
  84     void OnAbout(wxCommandEvent& event);
  85     void OnSwapMenus(wxCommandEvent& event);
  86     void OnReplaceMenu(wxCommandEvent& event);
  87     void OnRemoveInsertMenu(wxCommandEvent& event);
  88
  89 private:
  90     // any class wishing to process wxWindows events must use this macro
  91     DECLARE_EVENT_TABLE()
  92 };
  93
  94 // ----------------------------------------------------------------------------
  95 // constants
  96 // ----------------------------------------------------------------------------
  97
  98 // IDs for the controls and the menu commands
  99 enum
 100 {
 101     // menu items
 102     Minimal_Quit = 1,
 103     Minimal_About,
 104     Minimal_SwapMenus,
 105     Minimal_ReplaceMenu,
 106     Minimal_RemoveInsertMenu
 107 };
 108
 109 // ----------------------------------------------------------------------------
 110 // event tables and other macros for wxWindows
 111 // ----------------------------------------------------------------------------
 112
 113 // the event tables connect the wxWindows events with the functions (event
 114 // handlers) which process them. It can be also done at run-time, but for the
 115 // simple menu events like this the static method is much simpler.
 116 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 117     EVT_MENU(Minimal_Quit,  MyFrame::OnQuit)
 118     EVT_MENU(Minimal_About, MyFrame::OnAbout)
 119     EVT_MENU(Minimal_SwapMenus, MyFrame::OnSwapMenus)
 120     EVT_MENU(Minimal_ReplaceMenu, MyFrame::OnReplaceMenu)
 121     EVT_MENU(Minimal_RemoveInsertMenu, MyFrame::OnRemoveInsertMenu)
 122 END_EVENT_TABLE()
 123
 124 // Create a new application object: this macro will allow wxWindows to create
 125 // the application object during program execution (it's better than using a
 126 // static object for many reasons) and also declares the accessor function
 127 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 128 // not wxApp)
 129 IMPLEMENT_APP(MyApp)
 130
 131 // ============================================================================
 132 // implementation
 133 // ============================================================================
 134
 135 wxString IntTowxString(int number)
 136 {
 137   return(wxString(IntToString(number)));
 138 }
 139
 140 wxMenu *GetFileMenu(int menu_number)
 141 {
 142   wxMenu *menuFile = new wxMenu("", wxMENU_TEAROFF);
 143   menuFile->Append(Minimal_Quit, "E&xit" + IntTowxString(menu_number) +
 144    "\tAlt-X", "Quit this program");
 145   menuFile->Append(Minimal_SwapMenus, "&SwapMenus" + IntTowxString(menu_number)
 146    + "\tAlt-S", "Swap Menus");
 147   menuFile->Append(Minimal_ReplaceMenu, "&ReplaceMenu" +
 148    IntTowxString(menu_number) + "\tAlt-R", "Replace Menu");
 149   menuFile->Append(Minimal_RemoveInsertMenu, "&RemoveInsertMenu" +
 150    IntTowxString(menu_number) + "\tAlt-I", "Remove Then Insert Menu");
 151
 152   return(menuFile);
 153 }
 154
 155 // ----------------------------------------------------------------------------
 156 // the application class
 157 // ----------------------------------------------------------------------------
 158
 159 // `Main program' equivalent: the program execution "starts" here
 160 bool MyApp::OnInit()
 161 {
 162     // create the main application window
 163     MyFrame *frame = new MyFrame("Minimal wxWindows App",
 164                                  wxPoint(50, 50), wxSize(450, 340));
 165
 166     // and show it (the frames, unlike simple controls, are not shown when
 167     // created initially)
 168     frame->Show(TRUE);
 169
 170     // success: wxApp::OnRun() will be called which will enter the main message
 171     // loop and the application will run. If we returned FALSE here, the
 172     // application would exit immediately.
 173     return TRUE;
 174 }
 175
 176 // ----------------------------------------------------------------------------
 177 // main frame
 178 // ----------------------------------------------------------------------------
 179
 180 // frame constructor
 181 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 182        : wxFrame((wxFrame *)NULL, -1, title, pos, size)
 183 {
 184 #ifdef __WXMAC__
 185     // we need this in order to allow the about menu relocation, since ABOUT is
 186     // not the default id of the about menu
 187     wxApp::s_macAboutMenuItemId = Minimal_About;
 188 #endif
 189
 190     // set the frame icon
 191     SetIcon(wxICON(mondrian));
 192
 193     bar[0] = new wxMenuBar();
 194
 195     wxMenu *menuFile0 = GetFileMenu(0);
 196
 197     wxMenu *helpMenu0 = new wxMenu;
 198     helpMenu0->Append(Minimal_About, "&About0...\tCtrl-A",
 199      "Show about dialog");
 200
 201     bar[0]->Append(menuFile0, "&File0");
 202     bar[0]->Append(helpMenu0, "&Help0");
 203
 204
 205     bar[1] = new wxMenuBar();
 206
 207     wxMenu *menuFile1 = GetFileMenu(1);
 208
 209     wxMenu *helpMenu1 = new wxMenu;
 210     helpMenu1->Append(Minimal_About, "&About1...\tCtrl-A",
 211      "Show about dialog");
 212
 213     bar[1]->Append(menuFile1, "&File1");
 214     bar[1]->Append(helpMenu1, "&Help1");
 215
 216     current_bar = 1;
 217
 218     // ... and attach this menu bar to the frame
 219     SetMenuBar(bar[current_bar]);
 220
 221 #if wxUSE_STATUSBAR
 222     // create a status bar just for fun (by default with 1 pane only)
 223     CreateStatusBar(2);
 224     SetStatusText("Welcome to wxWindows!");
 225 #endif // wxUSE_STATUSBAR
 226 }
 227
 228
 229 // event handlers
 230
 231 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 232 {
 233     // TRUE is to force the frame to close
 234     Close(TRUE);
 235 }
 236
 237 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 238 {
 239     wxString msg;
 240     msg.Printf( _T("This is the about dialog of minimal sample.\n")
 241                 _T("Welcome to %s"), wxVERSION_STRING);
 242
 243     wxMessageBox(msg, "About Minimal", wxOK | wxICON_INFORMATION, this);
 244 }
 245
 246 void MyFrame::OnSwapMenus(wxCommandEvent& WXUNUSED(event))
 247 {
 248   // Change the menu set around
 249   current_bar = 1 - current_bar;
 250   SetMenuBar(bar[current_bar]);
 251 }
 252
 253 void MyFrame::OnReplaceMenu(wxCommandEvent& WXUNUSED(event))
 254 {
 255   wxMenuBar *curr_bar = bar[current_bar];
 256   wxMenu *menu = GetFileMenu(3);
 257   wxString title = "&File3";
 258
 259   // Replace the first menu with the same thing
 260   int pos = 1;
 261   if (pos != wxNOT_FOUND)
 262   {
 263       curr_bar->Replace(pos, menu, title);
 264 //    SetMenuBar(curr_bar);
 265   }
 266 }
 267
 268
 269 void MyFrame::OnRemoveInsertMenu(wxCommandEvent& WXUNUSED(event))
 270 {
 271   wxMenuBar *curr_bar = bar[current_bar];
 272   wxMenu *menu = GetFileMenu(current_bar);
 273   wxString title = "&File3";
 274
 275   // Remove the first menu then insert it back in
 276   int pos = 1;
 277   if (pos != wxNOT_FOUND)
 278   {
 279     curr_bar->Remove(pos);
 280     if (curr_bar->GetMenuCount() != 0)
 281       curr_bar->Insert(pos, menu, title);
 282     else
 283       curr_bar->Append(menu, title);
 284
 285     SetMenuBar(curr_bar);
 286   }
 287 }
 288
 289
 290