samples/ownerdrw/ownerdrw.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        ownerdrw.cpp
   3 // Purpose:     Owner-draw sample, for Windows
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     13.11.97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // headers & declarations
  14 // ============================================================================
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/wx.h"
  25 #endif
  26
  27 #include  "wx/ownerdrw.h"
  28 #include  "wx/menuitem.h"
  29 #include  "wx/checklst.h"
  30
  31 // Define a new application type
  32 class OwnerDrawnApp: public wxApp
  33 {
  34 public:
  35     bool OnInit();
  36 };
  37
  38 // Define a new frame type
  39 class OwnerDrawnFrame : public wxFrame
  40 {
  41 public:
  42     // ctor & dtor
  43     OwnerDrawnFrame(wxFrame *frame, const wxChar *title, int x, int y, int w, int h);
  44     ~OwnerDrawnFrame(){};
  45
  46     // notifications
  47     void OnQuit             (wxCommandEvent& event);
  48     void OnMenuToggle       (wxCommandEvent& event);
  49     void OnAbout            (wxCommandEvent& event);
  50     void OnListboxSelect    (wxCommandEvent& event);
  51     void OnCheckboxToggle   (wxCommandEvent& event);
  52     void OnListboxDblClick  (wxCommandEvent& event);
  53     bool OnClose            ()                        { return true; }
  54
  55     DECLARE_EVENT_TABLE()
  56
  57 private:
  58     void InitMenu();
  59
  60     wxCheckListBox *m_pListBox;
  61     wxMenuItem *pAboutItem;
  62 };
  63
  64 enum
  65 {
  66     Menu_Quit = 1,
  67     Menu_First = 100,
  68     Menu_Test1, Menu_Test2, Menu_Test3,
  69     Menu_Bitmap, Menu_Bitmap2,
  70     Menu_Submenu, Menu_Sub1, Menu_Sub2, Menu_Sub3,
  71     Menu_Toggle, Menu_About,
  72     Menu_Drawn1, Menu_Drawn2, Menu_Drawn3, Menu_Drawn4, Menu_Drawn5,
  73     Menu_Native1, Menu_Native2, Menu_Native3, Menu_Native4, Menu_Native5,
  74     Control_First = 1000,
  75     Control_Listbox, Control_Listbox2
  76 };
  77
  78 BEGIN_EVENT_TABLE(OwnerDrawnFrame, wxFrame)
  79     EVT_MENU(Menu_Toggle, OwnerDrawnFrame::OnMenuToggle)
  80     EVT_MENU(Menu_About, OwnerDrawnFrame::OnAbout)
  81     EVT_MENU(Menu_Quit, OwnerDrawnFrame::OnQuit)
  82     EVT_LISTBOX(Control_Listbox, OwnerDrawnFrame::OnListboxSelect)
  83     EVT_CHECKLISTBOX(Control_Listbox, OwnerDrawnFrame::OnCheckboxToggle)
  84     EVT_COMMAND(Control_Listbox, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED,
  85                 OwnerDrawnFrame::OnListboxDblClick)
  86 END_EVENT_TABLE()
  87
  88 IMPLEMENT_APP(OwnerDrawnApp)
  89
  90 // init our app: create windows
  91 bool OwnerDrawnApp::OnInit(void)
  92 {
  93     if ( !wxApp::OnInit() )
  94         return false;
  95
  96     OwnerDrawnFrame *pFrame
  97         = new OwnerDrawnFrame(NULL, wxT("wxWidgets Ownerdraw Sample"),
  98                               50, 50, 450, 340);
  99
 100     SetTopWindow(pFrame);
 101
 102     return true;
 103 }
 104
 105 // create the menu bar for the main frame
 106 void OwnerDrawnFrame::InitMenu()
 107 {
 108     // Make a menubar
 109     wxMenuItem *pItem;
 110     wxMenu *file_menu = new wxMenu;
 111
 112 #ifndef __WXUNIVERSAL__
 113     wxMenu *sub_menu  = new wxMenu;
 114
 115     // vars used for menu construction
 116     wxFont fontLarge(18, wxROMAN, wxNORMAL, wxBOLD, false),
 117            fontUlined(12, wxDEFAULT, wxNORMAL, wxNORMAL, true),
 118            fontItalic(12, wxMODERN, wxITALIC, wxBOLD, false),
 119            // should be at least of the size of bitmaps
 120            fontBmp(14, wxDEFAULT, wxNORMAL, wxNORMAL, false);
 121
 122     // sorry for my artistic skills...
 123     wxBitmap bmpBell(wxT("bell")),
 124              bmpSound(wxT("sound")),
 125              bmpNoSound(wxT("nosound")),
 126              bmpInfo(wxT("info")),
 127              bmpInfo_mono(wxT("info_mono"));
 128
 129     // construct submenu
 130     pItem = new wxMenuItem(sub_menu, Menu_Sub1, wxT("Submenu &first"), wxT("large"));
 131
 132     pItem->SetFont(fontLarge);
 133     sub_menu->Append(pItem);
 134
 135     pItem = new wxMenuItem(sub_menu, Menu_Sub2, wxT("Submenu &second"), wxT("italic"),
 136                            wxITEM_CHECK);
 137     pItem->SetFont(fontItalic);
 138     sub_menu->Append(pItem);
 139
 140     pItem = new wxMenuItem(sub_menu, Menu_Sub3, wxT("Submenu &third"), wxT("underlined"),
 141                            wxITEM_CHECK);
 142     pItem->SetFont(fontUlined);
 143     sub_menu->Append(pItem);
 144
 145     // construct menu
 146     pItem = new wxMenuItem(file_menu, Menu_Test1, wxT("&Uncheckable"), wxT("red item"));
 147     pItem->SetFont(*wxITALIC_FONT);
 148     pItem->SetTextColour(wxColor(255, 0, 0));
 149     file_menu->Append(pItem);
 150
 151     pItem = new wxMenuItem(file_menu, Menu_Test2, wxT("&Checkable"),
 152                            wxT("checkable item"), wxITEM_CHECK);
 153     pItem->SetFont(*wxSMALL_FONT);
 154     file_menu->Append(pItem);
 155     file_menu->Check(Menu_Test2, true);
 156
 157     pItem = new wxMenuItem(file_menu, Menu_Test3, wxT("&Disabled"), wxT("disabled item"));
 158     pItem->SetFont(*wxNORMAL_FONT);
 159     file_menu->Append(pItem);
 160     file_menu->Enable(Menu_Test3, false);
 161
 162     file_menu->AppendSeparator();
 163
 164     pItem = new wxMenuItem(file_menu, Menu_Bitmap, wxT("&Bell"),
 165                            wxT("check/uncheck me!"), wxITEM_CHECK);
 166     pItem->SetFont(fontBmp);
 167     pItem->SetBitmaps(bmpBell);
 168     file_menu->Append(pItem);
 169
 170     pItem = new wxMenuItem(file_menu, Menu_Bitmap2, wxT("So&und"),
 171                            wxT("icon changes!"), wxITEM_CHECK);
 172     pItem->SetFont(fontBmp);
 173     pItem->SetBitmaps(bmpSound, bmpNoSound);
 174     file_menu->Append(pItem);
 175
 176     file_menu->AppendSeparator();
 177
 178     pItem = new wxMenuItem(file_menu, Menu_Submenu, wxT("&Sub menu"), wxT(""),
 179                            wxITEM_CHECK, sub_menu);
 180     pItem->SetFont(*wxSWISS_FONT);
 181     file_menu->Append(pItem);
 182
 183     file_menu->AppendSeparator();
 184     pItem = new wxMenuItem(file_menu, Menu_Toggle, wxT("&Disable/Enable\tCtrl+D"),
 185                           wxT("enables/disables the About-Item"), wxITEM_NORMAL);
 186     pItem->SetFont(*wxNORMAL_FONT);
 187     file_menu->Append(pItem);
 188
 189     // Of course Ctrl+RatherLongAccel will not work in this example:
 190     pAboutItem = new wxMenuItem(file_menu, Menu_About, wxT("&About\tCtrl+RatherLongAccel"),
 191                                 wxT("display program information"), wxITEM_NORMAL);
 192     pAboutItem->SetBitmap(bmpInfo);
 193     pAboutItem->SetDisabledBitmap(bmpInfo_mono);
 194     file_menu->Append(pAboutItem);
 195
 196     file_menu->AppendSeparator();
 197 #endif
 198
 199     pItem = new wxMenuItem(file_menu, Menu_Quit, wxT("&Quit"), wxT("Normal item"),
 200                            wxITEM_NORMAL);
 201     file_menu->Append(pItem);
 202
 203     wxMenu* drawn_menu = new wxMenu;
 204     pItem = new wxMenuItem(drawn_menu, Menu_Drawn1, wxT("&Menu item\tCtrl+K"));
 205     drawn_menu->Append(pItem);
 206
 207     drawn_menu->AppendSeparator();
 208
 209     pItem = new wxMenuItem(drawn_menu, Menu_Drawn2, wxT("&Checked item"),
 210         wxT("check/uncheck me!"), wxITEM_CHECK);
 211     drawn_menu->Append(pItem);
 212     drawn_menu->Check(Menu_Drawn2, true);
 213
 214     pItem = new wxMenuItem(drawn_menu, Menu_Drawn3, wxT("&Radio item"),
 215         wxT("check/uncheck me!"), wxITEM_RADIO);
 216     drawn_menu->Append(pItem);
 217
 218     drawn_menu->AppendSeparator();
 219
 220     pItem = new wxMenuItem(drawn_menu, Menu_Drawn4, wxT("&Disabled item\tCtrl+RatherLongAccel"),
 221         wxT("disabled item"));
 222     pItem->Enable(false);
 223     drawn_menu->Append(pItem);
 224
 225     pItem = new wxMenuItem(drawn_menu, Menu_Drawn5, wxT("&Other\tCtrl+O"), wxT("other item"));
 226     pItem->SetTextColour(*wxRED);
 227     drawn_menu->Append(pItem);
 228
 229     wxMenu* native_menu = new wxMenu;
 230     pItem = new wxMenuItem(native_menu, Menu_Native1, wxT("&Menu item\tCtrl+K"));
 231     native_menu->Append(pItem);
 232
 233     native_menu->AppendSeparator();
 234
 235     pItem = new wxMenuItem(native_menu, Menu_Native2, wxT("&Checked item"),
 236         wxT("check/uncheck me!"), wxITEM_CHECK);
 237     native_menu->Append(pItem);
 238     native_menu->Check(Menu_Native2, true);
 239
 240     pItem = new wxMenuItem(native_menu, Menu_Native3, wxT("&Radio item"),
 241         wxT("check/uncheck me!"), wxITEM_RADIO);
 242     native_menu->Append(pItem);
 243
 244     native_menu->AppendSeparator();
 245
 246     pItem = new wxMenuItem(native_menu, Menu_Native4, wxT("&Disabled item\tCtrl+RatherLongAccel"),
 247         wxT("disabled item"));
 248     pItem->Enable(false);
 249     native_menu->Append(pItem);
 250
 251     pItem = new wxMenuItem(native_menu, Menu_Native5, wxT("&Other\tCtrl+O"), wxT("other item"));
 252     native_menu->Append(pItem);
 253
 254     wxMenuBar *menu_bar = new wxMenuBar;
 255
 256     menu_bar->Append(file_menu, wxT("&File"));
 257     menu_bar->Append(drawn_menu, wxT("&Drawn"));
 258     menu_bar->Append(native_menu, wxT("&Native"));
 259     SetMenuBar(menu_bar);
 260 }
 261
 262 // main frame constructor
 263 OwnerDrawnFrame::OwnerDrawnFrame(wxFrame *frame, const wxChar *title,
 264                                  int x, int y, int w, int h)
 265          : wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 266 {
 267     // set the icon
 268     SetIcon(wxIcon(wxT("mondrian")));
 269
 270     // create the menu
 271     InitMenu();
 272
 273 #if wxUSE_STATUSBAR
 274     // create the status line
 275     const int widths[] = { -1, 60 };
 276     CreateStatusBar(2);
 277     SetStatusWidths(2, widths);
 278     SetStatusText(wxT("no selection"), 0);
 279 #endif // wxUSE_STATUSBAR
 280
 281     // make a panel with some controls
 282     wxPanel *pPanel = new wxPanel(this);
 283
 284     // check list box
 285     static const wxChar* aszChoices[] = { wxT("Hello"), wxT("world"), wxT("and"),
 286                                           wxT("goodbye"), wxT("cruel"), wxT("world"),
 287                                           wxT("-------"), wxT("owner-drawn"), wxT("listbox") };
 288
 289     wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
 290     unsigned int ui;
 291     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
 292         astrChoices[ui] = aszChoices[ui];
 293
 294     m_pListBox = new wxCheckListBox
 295         (
 296             pPanel,             // parent
 297             Control_Listbox,    // control id
 298             wxPoint(10, 10),    // listbox position
 299             wxSize(200, 200),   // listbox size
 300             WXSIZEOF(aszChoices), // number of strings
 301             astrChoices         // array of strings
 302         );
 303
 304     delete [] astrChoices;
 305
 306     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 )
 307     {
 308 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 309         m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
 310 #endif
 311     }
 312
 313     m_pListBox->Check(2);
 314
 315     // normal (but owner-drawn) listbox
 316     static const wxChar* aszColors[] = { wxT("Red"), wxT("Blue"), wxT("Pink"),
 317                                          wxT("Green"), wxT("Yellow"),
 318                                          wxT("Black"), wxT("Violet")  };
 319
 320     astrChoices = new wxString[WXSIZEOF(aszColors)];
 321
 322     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 323     {
 324         astrChoices[ui] = aszColors[ui];
 325     }
 326
 327     wxListBox *pListBox = new wxListBox
 328         (
 329             pPanel,              // parent
 330             Control_Listbox2,    // control id
 331             wxPoint(220, 10),    // listbox position
 332             wxSize(200, 200),    // listbox size
 333             WXSIZEOF(aszColors), // number of strings
 334             astrChoices,         // array of strings
 335             wxLB_OWNERDRAW       // owner-drawn
 336         );
 337
 338 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 339
 340     struct { unsigned char r, g, b; } aColors[] =
 341         {
 342             {255,0,0}, {0,0,255}, {255,128,192},
 343             {0,255,0}, {255,255,128},
 344             {0,0,0}, {128,0,255}
 345         };
 346
 347     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 348     {
 349         pListBox->GetItem(ui)->SetTextColour(wxColor(aColors[ui].r,
 350                                                      aColors[ui].g,
 351                                                      aColors[ui].b));
 352         // yellow on white is horrible...
 353         if ( ui == 4 )
 354         {
 355             pListBox->GetItem(ui)->SetBackgroundColour(wxColor(0, 0, 0));
 356         }
 357     }
 358
 359 #else
 360     wxUnusedVar( pListBox );
 361 #endif
 362
 363     delete[] astrChoices;
 364
 365     Show(true);
 366 }
 367
 368 void OwnerDrawnFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 369 {
 370     Close(true);
 371 }
 372
 373 void OwnerDrawnFrame::OnMenuToggle(wxCommandEvent& WXUNUSED(event))
 374 {
 375     // This example shows the use of bitmaps in ownerdrawn menuitems and is not a good
 376     // example on how to enable and disable menuitems - this should be done with the help of
 377     // EVT_UPDATE_UI and EVT_UPDATE_UI_RANGE !
 378     pAboutItem->Enable( pAboutItem->IsEnabled() ? false : true );
 379 }
 380
 381 void OwnerDrawnFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 382 {
 383     wxMessageDialog dialog(this,
 384                            wxT("Demo of owner-drawn controls\n"),
 385                            wxT("About wxOwnerDrawn"), wxYES_NO | wxCANCEL);
 386     dialog.ShowModal();
 387 }
 388
 389 void OwnerDrawnFrame::OnListboxSelect(wxCommandEvent& event)
 390 {
 391 #if wxUSE_STATUSBAR
 392     wxString strSelection;
 393     unsigned int nSel = event.GetSelection();
 394     strSelection.Printf(wxT("item %d selected (%schecked)"), nSel,
 395                         m_pListBox->IsChecked(nSel) ? wxT("") : wxT("not "));
 396     SetStatusText(strSelection);
 397 #else
 398     wxUnusedVar(event);
 399 #endif // wxUSE_STATUSBAR
 400 }
 401
 402 void OwnerDrawnFrame::OnListboxDblClick(wxCommandEvent& WXUNUSED(event))
 403 {
 404     wxString strSelection;
 405     strSelection.Printf(wxT("item %d double clicked"),
 406                         m_pListBox->GetSelection());
 407     wxMessageDialog dialog(this, strSelection);
 408     dialog.ShowModal();
 409 }
 410
 411 void OwnerDrawnFrame::OnCheckboxToggle(wxCommandEvent& event)
 412 {
 413 #if wxUSE_STATUSBAR
 414     wxString strSelection;
 415     unsigned int nItem = event.GetInt();
 416     strSelection.Printf(wxT("item %d was %schecked"), nItem,
 417                         m_pListBox->IsChecked(nItem) ? wxT("") : wxT("un"));
 418     SetStatusText(strSelection);
 419 #else
 420     wxUnusedVar(event);
 421 #endif // wxUSE_STATUSBAR
 422 }