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/msw/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, 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     Control_First = 1000,
  73     Control_Listbox, Control_Listbox2,
  74 };
  75
  76 BEGIN_EVENT_TABLE(OwnerDrawnFrame, wxFrame)
  77     EVT_MENU(Menu_Toggle, OwnerDrawnFrame::OnMenuToggle)
  78     EVT_MENU(Menu_About, OwnerDrawnFrame::OnAbout)
  79     EVT_MENU(Menu_Quit, OwnerDrawnFrame::OnQuit)
  80     EVT_LISTBOX(Control_Listbox, OwnerDrawnFrame::OnListboxSelect)
  81     EVT_CHECKLISTBOX(Control_Listbox, OwnerDrawnFrame::OnCheckboxToggle)
  82     EVT_COMMAND(Control_Listbox, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED,
  83                 OwnerDrawnFrame::OnListboxDblClick)
  84 END_EVENT_TABLE()
  85
  86 IMPLEMENT_APP(OwnerDrawnApp);
  87
  88 // init our app: create windows
  89 bool OwnerDrawnApp::OnInit(void)
  90 {
  91     OwnerDrawnFrame *pFrame
  92         = new OwnerDrawnFrame(NULL, _T("wxWindows Ownerdraw Sample"),
  93                               50, 50, 450, 340);
  94
  95     SetTopWindow(pFrame);
  96
  97     return TRUE;
  98 }
  99
 100 // create the menu bar for the main frame
 101 void OwnerDrawnFrame::InitMenu()
 102 {
 103     // Make a menubar
 104     wxMenu *file_menu = new wxMenu,
 105            *sub_menu  = new wxMenu;
 106
 107     // vars used for menu construction
 108     wxMenuItem *pItem;
 109     wxFont fontLarge(18, wxROMAN, wxNORMAL, wxBOLD, FALSE),
 110            fontUlined(12, wxDEFAULT, wxNORMAL, wxNORMAL, TRUE),
 111            fontItalic(12, wxMODERN, wxITALIC, wxBOLD, FALSE),
 112            // should be at least of the size of bitmaps
 113            fontBmp(14, wxDEFAULT, wxNORMAL, wxNORMAL, FALSE);
 114
 115     // sorry for my artistic skills...
 116     wxBitmap bmpBell(_T("bell")),
 117              bmpSound(_T("sound")),
 118              bmpNoSound(_T("nosound")),
 119              bmpInfo(_T("info")),
 120              bmpInfo_mono(_T("info_mono"));
 121
 122     // construct submenu
 123     pItem = new wxMenuItem(sub_menu, Menu_Sub1, _T("Submenu &first"), _T("large"));
 124
 125     pItem->SetFont(fontLarge);
 126     sub_menu->Append(pItem);
 127
 128     pItem = new wxMenuItem(sub_menu, Menu_Sub2, _T("Submenu &second"), _T("italic"),
 129                            wxITEM_CHECK);
 130     pItem->SetFont(fontItalic);
 131     sub_menu->Append(pItem);
 132
 133     pItem = new wxMenuItem(sub_menu, Menu_Sub3, _T("Submenu &third"), _T("underlined"),
 134                            wxITEM_CHECK);
 135     pItem->SetFont(fontUlined);
 136     sub_menu->Append(pItem);
 137
 138     // construct menu
 139     pItem = new wxMenuItem(file_menu, Menu_Test1, _T("&Uncheckable"), _T("red item"));
 140     pItem->SetFont(*wxITALIC_FONT);
 141     pItem->SetTextColour(wxColor(255, 0, 0));
 142     file_menu->Append(pItem);
 143
 144     pItem = new wxMenuItem(file_menu, Menu_Test2, _T("&Checkable"),
 145                            _T("checkable item"), wxITEM_CHECK);
 146     pItem->SetFont(*wxSMALL_FONT);
 147     file_menu->Append(pItem);
 148     file_menu->Check(Menu_Test2, TRUE);
 149
 150     pItem = new wxMenuItem(file_menu, Menu_Test3, _T("&Disabled"), _T("disabled item"));
 151     pItem->SetFont(*wxNORMAL_FONT);
 152     file_menu->Append(pItem);
 153     file_menu->Enable(Menu_Test3, FALSE);
 154
 155     file_menu->AppendSeparator();
 156
 157     pItem = new wxMenuItem(file_menu, Menu_Bitmap, _T("&Bell"),
 158                            _T("check/uncheck me!"), wxITEM_CHECK);
 159     pItem->SetFont(fontBmp);
 160     pItem->SetBitmaps(bmpBell);
 161     file_menu->Append(pItem);
 162
 163     pItem = new wxMenuItem(file_menu, Menu_Bitmap2, _T("So&und"),
 164                            _T("icon changes!"), wxITEM_CHECK);
 165     pItem->SetFont(fontBmp);
 166     pItem->SetBitmaps(bmpSound, bmpNoSound);
 167     file_menu->Append(pItem);
 168
 169     file_menu->AppendSeparator();
 170
 171     pItem = new wxMenuItem(file_menu, Menu_Submenu, _T("&Sub menu"), _T(""),
 172                            wxITEM_CHECK, sub_menu);
 173     pItem->SetFont(*wxSWISS_FONT);
 174     file_menu->Append(pItem);
 175
 176     file_menu->AppendSeparator();
 177     pItem = new wxMenuItem(file_menu, Menu_Toggle, _T("&Disable/Enable\tCtrl+D"),
 178                           _T("enables/disables the About-Item"), wxITEM_NORMAL);
 179     pItem->SetFont(*wxNORMAL_FONT);
 180     file_menu->Append(pItem);
 181
 182     // Of course Ctrl+RatherLongAccel will not work in this example:
 183     pAboutItem = new wxMenuItem(file_menu, Menu_About, _T("&About\tCtrl+RatherLongAccel"),
 184                                 _T("display program information"), wxITEM_NORMAL);
 185     pAboutItem->SetBitmap(bmpInfo);
 186     pAboutItem->SetDisabledBitmap(bmpInfo_mono);
 187     file_menu->Append(pAboutItem);
 188
 189     file_menu->AppendSeparator();
 190     pItem = new wxMenuItem(file_menu, Menu_Quit, _T("&Quit"), _T("Normal item"),
 191                            wxITEM_NORMAL);
 192     file_menu->Append(pItem);
 193
 194     wxMenuBar *menu_bar = new wxMenuBar;
 195
 196     menu_bar->Append(file_menu, _T("&File"));
 197     SetMenuBar(menu_bar);
 198 }
 199
 200 // main frame constructor
 201 OwnerDrawnFrame::OwnerDrawnFrame(wxFrame *frame, wxChar *title,
 202                                  int x, int y, int w, int h)
 203          : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
 204 {
 205     // set the icon
 206     SetIcon(wxIcon(_T("mondrian")));
 207
 208     // create the menu
 209     InitMenu();
 210
 211     // create the status line
 212     const int widths[] = { -1, 60 };
 213     CreateStatusBar(2);
 214     SetStatusWidths(2, widths);
 215     SetStatusText(_T("no selection"), 0);
 216
 217     // make a panel with some controls
 218     wxPanel *pPanel = new wxPanel(this);
 219
 220     // check list box
 221     static const wxChar* aszChoices[] = { _T("Hello"), _T("world"), _T("and"),
 222                                           _T("goodbye"), _T("cruel"), _T("world"),
 223                                           _T("-------"), _T("owner-drawn"), _T("listbox") };
 224
 225     wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
 226     unsigned int ui;
 227     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
 228         astrChoices[ui] = aszChoices[ui];
 229
 230     m_pListBox = new wxCheckListBox
 231         (
 232             pPanel,             // parent
 233             Control_Listbox,    // control id
 234             wxPoint(10, 10),    // listbox position
 235             wxSize(200, 200),   // listbox size
 236             WXSIZEOF(aszChoices), // number of strings
 237             astrChoices         // array of strings
 238         );
 239
 240     delete [] astrChoices;
 241
 242     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 )
 243     {
 244         m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
 245     }
 246
 247     m_pListBox->Check(2);
 248
 249     // normal (but owner-drawn) listbox
 250     static const wxChar* aszColors[] = { _T("Red"), _T("Blue"), _T("Pink"),
 251                                          _T("Green"), _T("Yellow"),
 252                                          _T("Black"), _T("Violet")  };
 253     struct { unsigned int r, g, b; } aColors[] =
 254         {
 255             {255,0,0}, {0,0,255}, {255,128,192},
 256             {0,255,0}, {255,255,128},
 257             {0,0,0}, {128,0,255}
 258         };
 259
 260     astrChoices = new wxString[WXSIZEOF(aszColors)];
 261
 262     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 263     {
 264         astrChoices[ui] = aszColors[ui];
 265     }
 266
 267     wxListBox *pListBox = new wxListBox
 268         (
 269             pPanel,              // parent
 270             Control_Listbox2,    // control id
 271             wxPoint(220, 10),    // listbox position
 272             wxSize(200, 200),    // listbox size
 273             WXSIZEOF(aszColors), // number of strings
 274             astrChoices,         // array of strings
 275             wxLB_OWNERDRAW       // owner-drawn
 276         );
 277
 278     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 279     {
 280         pListBox->GetItem(ui)->SetTextColour(wxColor(aColors[ui].r,
 281                                                      aColors[ui].g,
 282                                                      aColors[ui].b));
 283         // yellow on white is horrible...
 284         if ( ui == 4 )
 285         {
 286             pListBox->GetItem(ui)->SetBackgroundColour(wxColor(0, 0, 0));
 287         }
 288
 289     }
 290
 291     delete[] astrChoices;
 292
 293     Show(TRUE);
 294 }
 295
 296 OwnerDrawnFrame::~OwnerDrawnFrame()
 297 {
 298 }
 299
 300 void OwnerDrawnFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 301 {
 302     Close(TRUE);
 303 }
 304
 305 void OwnerDrawnFrame::OnMenuToggle(wxCommandEvent& WXUNUSED(event))
 306 {
 307     // This example shows the use of bitmaps in ownerdrawn menuitems and is not a good
 308     // example on how to enable and disable menuitems - this should be done with the help of
 309     // EVT_UPDATE_UI and EVT_UPDATE_UI_RANGE !
 310     pAboutItem->Enable( pAboutItem->IsEnabled() ? FALSE : TRUE );
 311 }
 312
 313 void OwnerDrawnFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 314 {
 315     wxMessageDialog dialog(this,
 316                            _T("Demo of owner-drawn controls\n"),
 317                            _T("About wxOwnerDrawn"), wxYES_NO | wxCANCEL);
 318     dialog.ShowModal();
 319 }
 320
 321 void OwnerDrawnFrame::OnListboxSelect(wxCommandEvent& event)
 322 {
 323     wxString strSelection;
 324     unsigned int nSel = event.GetSelection();
 325     strSelection.Printf(wxT("item %d selected (%schecked)"), nSel,
 326                         m_pListBox->IsChecked(nSel) ? wxT("") : wxT("not "));
 327     SetStatusText(strSelection);
 328 }
 329
 330 void OwnerDrawnFrame::OnListboxDblClick(wxCommandEvent& WXUNUSED(event))
 331 {
 332     wxString strSelection;
 333     strSelection.Printf(wxT("item %d double clicked"),
 334                         m_pListBox->GetSelection());
 335     wxMessageDialog dialog(this, strSelection);
 336     dialog.ShowModal();
 337 }
 338
 339 void OwnerDrawnFrame::OnCheckboxToggle(wxCommandEvent& event)
 340 {
 341     wxString strSelection;
 342     unsigned int nItem = event.GetInt();
 343     strSelection.Printf(wxT("item %d was %schecked"), nItem,
 344                         m_pListBox->IsChecked(nItem) ? wxT("") : wxT("un"));
 345     SetStatusText(strSelection);
 346 }