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 licence
  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_LISTBOX_DCLICK,
  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     return true;
 101 }
 102
 103 // create the menu bar for the main frame
 104 void OwnerDrawnFrame::InitMenu()
 105 {
 106     // Make a menubar
 107     wxMenuItem *pItem;
 108     wxMenu *file_menu = new wxMenu;
 109
 110 #ifndef __WXUNIVERSAL__
 111     wxMenu *sub_menu  = new wxMenu;
 112
 113     // vars used for menu construction
 114     wxFont fontLarge(18, wxROMAN, wxNORMAL, wxBOLD, false),
 115            fontUlined(12, wxDEFAULT, wxNORMAL, wxNORMAL, true),
 116            fontItalic(12, wxMODERN, wxITALIC, wxBOLD, false),
 117            // should be at least of the size of bitmaps
 118            fontBmp(14, wxDEFAULT, wxNORMAL, wxNORMAL, false);
 119
 120     // sorry for my artistic skills...
 121     wxBitmap bmpBell(wxT("bell")),
 122              bmpSound(wxT("sound")),
 123              bmpNoSound(wxT("nosound")),
 124              bmpInfo(wxT("info")),
 125              bmpInfo_mono(wxT("info_mono"));
 126
 127     // construct submenu
 128     pItem = new wxMenuItem(sub_menu, Menu_Sub1, wxT("Submenu &first"), wxT("large"));
 129
 130     pItem->SetFont(fontLarge);
 131     sub_menu->Append(pItem);
 132
 133     pItem = new wxMenuItem(sub_menu, Menu_Sub2, wxT("Submenu &second"), wxT("italic"),
 134                            wxITEM_CHECK);
 135     pItem->SetFont(fontItalic);
 136     sub_menu->Append(pItem);
 137
 138     pItem = new wxMenuItem(sub_menu, Menu_Sub3, wxT("Submenu &third"), wxT("underlined"),
 139                            wxITEM_CHECK);
 140     pItem->SetFont(fontUlined);
 141     sub_menu->Append(pItem);
 142
 143     // construct menu
 144     pItem = new wxMenuItem(file_menu, Menu_Test1, wxT("&Uncheckable"), wxT("red item"));
 145     pItem->SetFont(*wxITALIC_FONT);
 146     pItem->SetTextColour(wxColor(255, 0, 0));
 147     file_menu->Append(pItem);
 148
 149     pItem = new wxMenuItem(file_menu, Menu_Test2, wxT("&Checkable"),
 150                            wxT("checkable item"), wxITEM_CHECK);
 151     pItem->SetFont(*wxSMALL_FONT);
 152     file_menu->Append(pItem);
 153     file_menu->Check(Menu_Test2, true);
 154
 155     pItem = new wxMenuItem(file_menu, Menu_Test3, wxT("&Disabled"), wxT("disabled item"));
 156     pItem->SetFont(*wxNORMAL_FONT);
 157     file_menu->Append(pItem);
 158     file_menu->Enable(Menu_Test3, false);
 159
 160     file_menu->AppendSeparator();
 161
 162     pItem = new wxMenuItem(file_menu, Menu_Bitmap, wxT("&Bell"),
 163                            wxT("check/uncheck me!"), wxITEM_CHECK);
 164     pItem->SetFont(fontBmp);
 165     pItem->SetBitmaps(bmpBell);
 166     file_menu->Append(pItem);
 167
 168     pItem = new wxMenuItem(file_menu, Menu_Bitmap2, wxT("So&und"),
 169                            wxT("icon changes!"), wxITEM_CHECK);
 170     pItem->SetFont(fontBmp);
 171     pItem->SetBitmaps(bmpSound, bmpNoSound);
 172     file_menu->Append(pItem);
 173
 174     file_menu->AppendSeparator();
 175
 176     pItem = new wxMenuItem(file_menu, Menu_Submenu, wxT("&Sub menu"), wxT(""),
 177                            wxITEM_CHECK, sub_menu);
 178     pItem->SetFont(*wxSWISS_FONT);
 179     file_menu->Append(pItem);
 180
 181     file_menu->AppendSeparator();
 182     pItem = new wxMenuItem(file_menu, Menu_Toggle, wxT("&Disable/Enable\tCtrl+D"),
 183                           wxT("enables/disables the About-Item"), wxITEM_NORMAL);
 184     pItem->SetFont(*wxNORMAL_FONT);
 185     file_menu->Append(pItem);
 186
 187     // Of course Ctrl+RatherLongAccel will not work in this example:
 188     pAboutItem = new wxMenuItem(file_menu, Menu_About, wxT("&About\tCtrl+RatherLongAccel"),
 189                                 wxT("display program information"), wxITEM_NORMAL);
 190     pAboutItem->SetBitmap(bmpInfo);
 191     pAboutItem->SetDisabledBitmap(bmpInfo_mono);
 192     file_menu->Append(pAboutItem);
 193
 194     file_menu->AppendSeparator();
 195 #endif
 196
 197     pItem = new wxMenuItem(file_menu, Menu_Quit, wxT("&Quit"), wxT("Normal item"),
 198                            wxITEM_NORMAL);
 199     file_menu->Append(pItem);
 200
 201     wxMenu* drawn_menu = new wxMenu;
 202     pItem = new wxMenuItem(drawn_menu, Menu_Drawn1, wxT("&Menu item\tCtrl+K"));
 203     drawn_menu->Append(pItem);
 204
 205     drawn_menu->AppendSeparator();
 206
 207     pItem = new wxMenuItem(drawn_menu, Menu_Drawn2, wxT("&Checked item"),
 208         wxT("check/uncheck me!"), wxITEM_CHECK);
 209     drawn_menu->Append(pItem);
 210     drawn_menu->Check(Menu_Drawn2, true);
 211
 212     pItem = new wxMenuItem(drawn_menu, Menu_Drawn3, wxT("&Radio item"),
 213         wxT("check/uncheck me!"), wxITEM_RADIO);
 214     drawn_menu->Append(pItem);
 215
 216     drawn_menu->AppendSeparator();
 217
 218     pItem = new wxMenuItem(drawn_menu, Menu_Drawn4, wxT("&Disabled item\tCtrl+RatherLongAccel"),
 219         wxT("disabled item"));
 220     pItem->Enable(false);
 221     drawn_menu->Append(pItem);
 222
 223     pItem = new wxMenuItem(drawn_menu, Menu_Drawn5, wxT("&Other\tCtrl+O"), wxT("other item"));
 224     pItem->SetTextColour(*wxRED);
 225     drawn_menu->Append(pItem);
 226
 227     wxMenu* native_menu = new wxMenu;
 228     pItem = new wxMenuItem(native_menu, Menu_Native1, wxT("&Menu item\tCtrl+K"));
 229     native_menu->Append(pItem);
 230
 231     native_menu->AppendSeparator();
 232
 233     pItem = new wxMenuItem(native_menu, Menu_Native2, wxT("&Checked item"),
 234         wxT("check/uncheck me!"), wxITEM_CHECK);
 235     native_menu->Append(pItem);
 236     native_menu->Check(Menu_Native2, true);
 237
 238     pItem = new wxMenuItem(native_menu, Menu_Native3, wxT("&Radio item"),
 239         wxT("check/uncheck me!"), wxITEM_RADIO);
 240     native_menu->Append(pItem);
 241
 242     native_menu->AppendSeparator();
 243
 244     pItem = new wxMenuItem(native_menu, Menu_Native4, wxT("&Disabled item\tCtrl+RatherLongAccel"),
 245         wxT("disabled item"));
 246     pItem->Enable(false);
 247     native_menu->Append(pItem);
 248
 249     pItem = new wxMenuItem(native_menu, Menu_Native5, wxT("&Other\tCtrl+O"), wxT("other item"));
 250     native_menu->Append(pItem);
 251
 252     wxMenuBar *menu_bar = new wxMenuBar;
 253
 254     menu_bar->Append(file_menu, wxT("&File"));
 255     menu_bar->Append(drawn_menu, wxT("&Drawn"));
 256     menu_bar->Append(native_menu, wxT("&Native"));
 257     SetMenuBar(menu_bar);
 258 }
 259
 260 // main frame constructor
 261 OwnerDrawnFrame::OwnerDrawnFrame(wxFrame *frame, const wxChar *title,
 262                                  int x, int y, int w, int h)
 263          : wxFrame(frame, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 264 {
 265     // set the icon
 266     SetIcon(wxICON(sample));
 267
 268     // create the menu
 269     InitMenu();
 270
 271 #if wxUSE_STATUSBAR
 272     // create the status line
 273     const int widths[] = { -1, 60 };
 274     CreateStatusBar(2);
 275     SetStatusWidths(2, widths);
 276     SetStatusText(wxT("no selection"), 0);
 277 #endif // wxUSE_STATUSBAR
 278
 279     // make a panel with some controls
 280     wxPanel *pPanel = new wxPanel(this);
 281
 282     // check list box
 283     static const wxChar* aszChoices[] = { wxT("Hello"), wxT("world"), wxT("and"),
 284                                           wxT("goodbye"), wxT("cruel"), wxT("world"),
 285                                           wxT("-------"), wxT("owner-drawn"), wxT("listbox") };
 286
 287     wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
 288     unsigned int ui;
 289     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
 290         astrChoices[ui] = aszChoices[ui];
 291
 292     m_pListBox = new wxCheckListBox
 293         (
 294             pPanel,             // parent
 295             Control_Listbox,    // control id
 296             wxPoint(10, 10),    // listbox position
 297             wxSize(200, 200),   // listbox size
 298             WXSIZEOF(aszChoices), // number of strings
 299             astrChoices         // array of strings
 300         );
 301
 302     delete [] astrChoices;
 303
 304     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 )
 305     {
 306 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 307         m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
 308 #endif
 309     }
 310
 311     m_pListBox->Check(2);
 312
 313     // normal (but owner-drawn) listbox
 314     static const wxChar* aszColors[] = { wxT("Red"), wxT("Blue"), wxT("Pink"),
 315                                          wxT("Green"), wxT("Yellow"),
 316                                          wxT("Black"), wxT("Violet")  };
 317
 318     astrChoices = new wxString[WXSIZEOF(aszColors)];
 319
 320     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 321     {
 322         astrChoices[ui] = aszColors[ui];
 323     }
 324
 325     wxListBox *pListBox = new wxListBox
 326         (
 327             pPanel,              // parent
 328             Control_Listbox2,    // control id
 329             wxPoint(220, 10),    // listbox position
 330             wxSize(200, 200),    // listbox size
 331             WXSIZEOF(aszColors), // number of strings
 332             astrChoices,         // array of strings
 333             wxLB_OWNERDRAW       // owner-drawn
 334         );
 335
 336 #if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
 337
 338     struct { unsigned char r, g, b; } aColors[] =
 339         {
 340             {255,0,0}, {0,0,255}, {255,128,192},
 341             {0,255,0}, {255,255,128},
 342             {0,0,0}, {128,0,255}
 343         };
 344
 345     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 346     {
 347         pListBox->GetItem(ui)->SetTextColour(wxColor(aColors[ui].r,
 348                                                      aColors[ui].g,
 349                                                      aColors[ui].b));
 350         // yellow on white is horrible...
 351         if ( ui == 4 )
 352         {
 353             pListBox->GetItem(ui)->SetBackgroundColour(wxColor(0, 0, 0));
 354         }
 355     }
 356
 357 #else
 358     wxUnusedVar( pListBox );
 359 #endif
 360
 361     delete[] astrChoices;
 362
 363     Show(true);
 364 }
 365
 366 void OwnerDrawnFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 367 {
 368     Close(true);
 369 }
 370
 371 void OwnerDrawnFrame::OnMenuToggle(wxCommandEvent& WXUNUSED(event))
 372 {
 373     // This example shows the use of bitmaps in ownerdrawn menuitems and is not a good
 374     // example on how to enable and disable menuitems - this should be done with the help of
 375     // EVT_UPDATE_UI and EVT_UPDATE_UI_RANGE !
 376     pAboutItem->Enable( pAboutItem->IsEnabled() ? false : true );
 377 }
 378
 379 void OwnerDrawnFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 380 {
 381     wxMessageDialog dialog(this,
 382                            wxT("Demo of owner-drawn controls\n"),
 383                            wxT("About wxOwnerDrawn"), wxYES_NO | wxCANCEL);
 384     dialog.ShowModal();
 385 }
 386
 387 void OwnerDrawnFrame::OnListboxSelect(wxCommandEvent& event)
 388 {
 389 #if wxUSE_STATUSBAR
 390     wxString strSelection;
 391     unsigned int nSel = event.GetSelection();
 392     strSelection.Printf(wxT("item %d selected (%schecked)"), nSel,
 393                         m_pListBox->IsChecked(nSel) ? wxT("") : wxT("not "));
 394     SetStatusText(strSelection);
 395 #else
 396     wxUnusedVar(event);
 397 #endif // wxUSE_STATUSBAR
 398 }
 399
 400 void OwnerDrawnFrame::OnListboxDblClick(wxCommandEvent& WXUNUSED(event))
 401 {
 402     wxString strSelection;
 403     strSelection.Printf(wxT("item %d double clicked"),
 404                         m_pListBox->GetSelection());
 405     wxMessageDialog dialog(this, strSelection);
 406     dialog.ShowModal();
 407 }
 408
 409 void OwnerDrawnFrame::OnCheckboxToggle(wxCommandEvent& event)
 410 {
 411 #if wxUSE_STATUSBAR
 412     wxString strSelection;
 413     unsigned int nItem = event.GetInt();
 414     strSelection.Printf(wxT("item %d was %schecked"), nItem,
 415                         m_pListBox->IsChecked(nItem) ? wxT("") : wxT("un"));
 416     SetStatusText(strSelection);
 417 #else
 418     wxUnusedVar(event);
 419 #endif // wxUSE_STATUSBAR
 420 }