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/image.h"
  30 #include  "wx/msw/checklst.h"
  31
  32 // Define a new application type
  33 class OwnerDrawnApp: public wxApp
  34 {
  35 public:
  36     bool OnInit();
  37 };
  38
  39 // Define a new frame type
  40 class OwnerDrawnFrame : public wxFrame
  41 {
  42 public:
  43     // ctor & dtor
  44     OwnerDrawnFrame(wxFrame *frame, wxChar *title, int x, int y, int w, int h);
  45     ~OwnerDrawnFrame();
  46
  47     // notifications
  48     void OnQuit             (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 };
  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     Control_First = 1000,
  71     Control_Listbox, Control_Listbox2,
  72 };
  73
  74 BEGIN_EVENT_TABLE(OwnerDrawnFrame, wxFrame)
  75     EVT_MENU(Menu_Quit, OwnerDrawnFrame::OnQuit)
  76     EVT_LISTBOX(Control_Listbox, OwnerDrawnFrame::OnListboxSelect)
  77     EVT_CHECKLISTBOX(Control_Listbox, OwnerDrawnFrame::OnCheckboxToggle)
  78     EVT_COMMAND(Control_Listbox, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED,
  79                 OwnerDrawnFrame::OnListboxDblClick)
  80 END_EVENT_TABLE()
  81
  82 IMPLEMENT_APP(OwnerDrawnApp);
  83
  84 // init our app: create windows
  85 bool OwnerDrawnApp::OnInit(void)
  86 {
  87     wxInitAllImageHandlers();
  88     OwnerDrawnFrame *pFrame
  89         = new OwnerDrawnFrame(NULL, _T("wxWindows Ownerdraw Sample"),
  90                               50, 50, 450, 340);
  91
  92     SetTopWindow(pFrame);
  93
  94     return TRUE;
  95 }
  96
  97 // create the menu bar for the main frame
  98 void OwnerDrawnFrame::InitMenu()
  99 {
 100     // Make a menubar
 101     wxMenu *file_menu = new wxMenu,
 102            *sub_menu  = new wxMenu;
 103
 104     // vars used for menu construction
 105     wxMenuItem *pItem;
 106     wxFont fontLarge(18, wxROMAN, wxNORMAL, wxBOLD, FALSE),
 107            fontUlined(12, wxDEFAULT, wxNORMAL, wxNORMAL, TRUE),
 108            fontItalic(12, wxMODERN, wxITALIC, wxBOLD, FALSE),
 109            // should be at least of the size of bitmaps
 110            fontBmp(14, wxDEFAULT, wxNORMAL, wxNORMAL, FALSE);
 111
 112     // sorry for my artistic skills...
 113     wxBitmap bmpBell(_T("bell"));
 114     wxBitmap bmpSound(_T("sound.png"), wxBITMAP_TYPE_PNG);
 115     wxBitmap bmpNoSound(_T("nosound.png"), wxBITMAP_TYPE_PNG);
 116
 117     // construct submenu
 118     pItem = new wxMenuItem(sub_menu, Menu_Sub1, _T("Submenu &first"), _T("large"));
 119
 120     pItem->SetFont(fontLarge);
 121     sub_menu->Append(pItem);
 122
 123     pItem = new wxMenuItem(sub_menu, Menu_Sub2, _T("Submenu &second"), _T("italic"),
 124                            wxITEM_CHECK);
 125     pItem->SetFont(fontItalic);
 126     sub_menu->Append(pItem);
 127
 128     pItem = new wxMenuItem(sub_menu, Menu_Sub3, _T("Submenu &third"), _T("underlined"),
 129                            wxITEM_CHECK);
 130     pItem->SetFont(fontUlined);
 131     sub_menu->Append(pItem);
 132
 133     // construct menu
 134     pItem = new wxMenuItem(file_menu, Menu_Test1, _T("&Uncheckable"), _T("red item"));
 135     pItem->SetFont(*wxITALIC_FONT);
 136     pItem->SetTextColour(wxColor(255, 0, 0));
 137     pItem->SetMarginWidth(23);
 138     file_menu->Append(pItem);
 139
 140     pItem = new wxMenuItem(file_menu, Menu_Test2, _T("&Checkable"),
 141                            _T("checkable item"), wxITEM_CHECK);
 142     pItem->SetFont(*wxSMALL_FONT);
 143     file_menu->Append(pItem);
 144     file_menu->Check(Menu_Test2, TRUE);
 145
 146     pItem = new wxMenuItem(file_menu, Menu_Test3, _T("&Disabled"), _T("disabled item"));
 147     pItem->SetFont(*wxNORMAL_FONT);
 148     file_menu->Append(pItem);
 149     file_menu->Enable(Menu_Test3, FALSE);
 150
 151     file_menu->AppendSeparator();
 152
 153     pItem = new wxMenuItem(file_menu, Menu_Bitmap, _T("&Bell"),
 154                            _T("check/uncheck me!"), wxITEM_CHECK);
 155     pItem->SetFont(fontBmp);
 156     pItem->SetBitmaps(bmpBell);
 157     file_menu->Append(pItem);
 158
 159     pItem = new wxMenuItem(file_menu, Menu_Bitmap2, _T("So&und"),
 160                            _T("icon changes!"), wxITEM_CHECK);
 161     pItem->SetFont(fontBmp);
 162     pItem->SetBitmaps(bmpSound, bmpNoSound);
 163     file_menu->Append(pItem);
 164
 165     file_menu->AppendSeparator();
 166
 167     pItem = new wxMenuItem(file_menu, Menu_Submenu, _T("&Sub menu"), _T(""),
 168                            wxITEM_CHECK, sub_menu);
 169     pItem->SetFont(*wxSWISS_FONT);
 170     file_menu->Append(pItem);
 171
 172     file_menu->AppendSeparator();
 173     pItem = new wxMenuItem(file_menu, Menu_Quit, _T("&Quit"), _T("Normal item"),
 174                            wxITEM_NORMAL);
 175     pItem->SetFont(*wxNORMAL_FONT);
 176     file_menu->Append(pItem);
 177
 178     wxMenuBar *menu_bar = new wxMenuBar;
 179
 180     menu_bar->Append(file_menu, _T("&File"));
 181     SetMenuBar(menu_bar);
 182 }
 183
 184 // main frame constructor
 185 OwnerDrawnFrame::OwnerDrawnFrame(wxFrame *frame, wxChar *title,
 186                                  int x, int y, int w, int h)
 187          : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
 188 {
 189     // set the icon
 190     SetIcon(wxIcon(_T("mondrian")));
 191
 192     // create the menu
 193     InitMenu();
 194
 195     // create the status line
 196     const int widths[] = { -1, 60 };
 197     CreateStatusBar(2);
 198     SetStatusWidths(2, widths);
 199     SetStatusText(_T("no selection"), 0);
 200
 201     // make a panel with some controls
 202     wxPanel *pPanel = new wxPanel(this, -1, wxPoint(0, 0),
 203                                   wxSize(400, 200), wxTAB_TRAVERSAL);
 204
 205     // check list box
 206     static const wxChar* aszChoices[] = { _T("Hello"), _T("world"), _T("and"),
 207                                           _T("goodbye"), _T("cruel"), _T("world"),
 208                                           _T("-------"), _T("owner-drawn"), _T("listbox") };
 209
 210     wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
 211     unsigned int ui;
 212     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
 213         astrChoices[ui] = aszChoices[ui];
 214
 215     m_pListBox = new wxCheckListBox
 216         (
 217             pPanel,             // parent
 218             Control_Listbox,    // control id
 219             wxPoint(10, 10),    // listbox position
 220             wxSize(200, 200),   // listbox size
 221             WXSIZEOF(aszChoices), // number of strings
 222             astrChoices         // array of strings
 223         );
 224
 225     delete [] astrChoices;
 226
 227     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 )
 228     {
 229         m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
 230     }
 231
 232     m_pListBox->Check(2);
 233
 234     // normal (but owner-drawn) listbox
 235     static const wxChar* aszColors[] = { _T("Red"), _T("Blue"), _T("Pink"),
 236                                          _T("Green"), _T("Yellow"),
 237                                          _T("Black"), _T("Violet")  };
 238     struct { unsigned int r, g, b; } aColors[] =
 239         {
 240             {255,0,0}, {0,0,255}, {255,128,192},
 241             {0,255,0}, {255,255,128},
 242             {0,0,0}, {128,0,255}
 243         };
 244
 245     astrChoices = new wxString[WXSIZEOF(aszColors)];
 246
 247     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 248     {
 249         astrChoices[ui] = aszColors[ui];
 250     }
 251
 252     wxListBox *pListBox = new wxListBox
 253         (
 254             pPanel,              // parent
 255             Control_Listbox2,    // control id
 256             wxPoint(220, 10),    // listbox position
 257             wxDefaultSize,       // listbox size
 258             WXSIZEOF(aszColors),   // number of strings
 259             astrChoices,         // array of strings
 260             wxLB_OWNERDRAW,      // owner-drawn
 261             wxDefaultValidator,  //
 262             wxListBoxNameStr
 263         );
 264
 265     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 266     {
 267         pListBox->GetItem(ui)->SetTextColour(wxColor(aColors[ui].r,
 268                                                      aColors[ui].g,
 269                                                      aColors[ui].b));
 270         // yellow on white is horrible...
 271         if ( ui == 4 )
 272         {
 273             pListBox->GetItem(ui)->SetBackgroundColour(wxColor(0, 0, 0));
 274         }
 275
 276     }
 277
 278     delete[] astrChoices;
 279
 280     Show(TRUE);
 281 }
 282
 283 OwnerDrawnFrame::~OwnerDrawnFrame()
 284 {
 285 }
 286
 287 void OwnerDrawnFrame::OnQuit(wxCommandEvent& event)
 288 {
 289     Close(TRUE);
 290 }
 291
 292 void OwnerDrawnFrame::OnAbout(wxCommandEvent& event)
 293 {
 294     wxMessageDialog dialog(this,
 295                            _T("Demo of owner-drawn controls\n"),
 296                            _T("About wxOwnerDrawn"), wxYES_NO | wxCANCEL);
 297     dialog.ShowModal();
 298 }
 299
 300 void OwnerDrawnFrame::OnListboxSelect(wxCommandEvent& event)
 301 {
 302     wxString strSelection;
 303     unsigned int nSel = event.GetSelection();
 304     strSelection.Printf(wxT("item %d selected (%schecked)"), nSel,
 305                         m_pListBox->IsChecked(nSel) ? wxT("") : wxT("not "));
 306     SetStatusText(strSelection);
 307 }
 308
 309 void OwnerDrawnFrame::OnListboxDblClick(wxCommandEvent& event)
 310 {
 311     wxString strSelection;
 312     strSelection.Printf(wxT("item %d double clicked"),
 313                         m_pListBox->GetSelection());
 314     wxMessageDialog dialog(this, strSelection);
 315     dialog.ShowModal();
 316 }
 317
 318 void OwnerDrawnFrame::OnCheckboxToggle(wxCommandEvent& event)
 319 {
 320     wxString strSelection;
 321     unsigned int nItem = event.GetInt();
 322     strSelection.Printf(wxT("item %d was %schecked"), nItem,
 323                         m_pListBox->IsChecked(nItem) ? wxT("") : wxT("un"));
 324     SetStatusText(strSelection);
 325 }