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