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 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 };
  61
  62 enum
  63 {
  64     Menu_Quit = 1,
  65     Menu_First = 100,
  66     Menu_Test1, Menu_Test2, Menu_Test3,
  67     Menu_Bitmap, Menu_Bitmap2,
  68     Menu_Submenu, Menu_Sub1, Menu_Sub2, Menu_Sub3,
  69     Control_First = 1000,
  70     Control_Listbox, Control_Listbox2,
  71 };
  72
  73 BEGIN_EVENT_TABLE(OwnerDrawnFrame, wxFrame)
  74     EVT_MENU(Menu_Quit, OwnerDrawnFrame::OnQuit)
  75     EVT_LISTBOX(Control_Listbox, OwnerDrawnFrame::OnListboxSelect)
  76     EVT_CHECKLISTBOX(Control_Listbox, OwnerDrawnFrame::OnCheckboxToggle)
  77     EVT_COMMAND(Control_Listbox, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED,
  78                 OwnerDrawnFrame::OnListboxDblClick)
  79 END_EVENT_TABLE()
  80
  81 IMPLEMENT_APP(OwnerDrawnApp);
  82
  83 // init our app: create windows
  84 bool OwnerDrawnApp::OnInit(void)
  85 {
  86     OwnerDrawnFrame *pFrame
  87         = new OwnerDrawnFrame(NULL, _T("wxWindows Ownerdraw Sample"),
  88                               50, 50, 450, 340);
  89
  90     SetTopWindow(pFrame);
  91
  92     return TRUE;
  93 }
  94
  95 // create the menu bar for the main frame
  96 void OwnerDrawnFrame::InitMenu()
  97 {
  98     // Make a menubar
  99     wxMenu *file_menu = new wxMenu,
 100            *sub_menu  = new wxMenu;
 101
 102     // vars used for menu construction
 103     wxMenuItem *pItem;
 104     wxFont fontLarge(18, wxROMAN, wxNORMAL, wxBOLD, FALSE),
 105            fontUlined(12, wxDEFAULT, wxNORMAL, wxNORMAL, TRUE),
 106            fontItalic(12, wxMODERN, wxITALIC, wxBOLD, FALSE),
 107            // should be at least of the size of bitmaps
 108            fontBmp(14, wxDEFAULT, wxNORMAL, wxNORMAL, FALSE);
 109
 110     // sorry for my artistic skills...
 111     wxBitmap bmpBell(_T("bell")), bmpSound(_T("sound")), bmpNoSound(_T("nosound"));
 112
 113     // construct submenu
 114     pItem = new wxMenuItem(sub_menu, Menu_Sub1, _T("Submenu &first"), _T("large"));
 115
 116     pItem->SetFont(fontLarge);
 117     sub_menu->Append(pItem);
 118
 119     pItem = new wxMenuItem(sub_menu, Menu_Sub2, _T("Submenu &second"), _T("italic"),
 120                            wxITEM_CHECK);
 121     pItem->SetFont(fontItalic);
 122     sub_menu->Append(pItem);
 123
 124     pItem = new wxMenuItem(sub_menu, Menu_Sub3, _T("Submenu &third"), _T("underlined"),
 125                            wxITEM_CHECK);
 126     pItem->SetFont(fontUlined);
 127     sub_menu->Append(pItem);
 128
 129     // construct menu
 130     pItem = new wxMenuItem(file_menu, Menu_Test1, _T("&Uncheckable"), _T("red item"));
 131     pItem->SetFont(*wxITALIC_FONT);
 132     pItem->SetTextColour(wxColor(255, 0, 0));
 133     pItem->SetMarginWidth(23);
 134     file_menu->Append(pItem);
 135
 136     pItem = new wxMenuItem(file_menu, Menu_Test2, _T("&Checkable"),
 137                            _T("checkable item"), wxITEM_CHECK);
 138     pItem->SetFont(*wxSMALL_FONT);
 139     file_menu->Append(pItem);
 140     file_menu->Check(Menu_Test2, TRUE);
 141
 142     pItem = new wxMenuItem(file_menu, Menu_Test3, _T("&Disabled"), _T("disabled item"));
 143     pItem->SetFont(*wxNORMAL_FONT);
 144     file_menu->Append(pItem);
 145     file_menu->Enable(Menu_Test3, FALSE);
 146
 147     file_menu->AppendSeparator();
 148
 149     pItem = new wxMenuItem(file_menu, Menu_Bitmap, _T("&Bell"),
 150                            _T("check/uncheck me!"), wxITEM_CHECK);
 151     pItem->SetFont(fontBmp);
 152     pItem->SetBitmaps(bmpBell);
 153     file_menu->Append(pItem);
 154
 155     pItem = new wxMenuItem(file_menu, Menu_Bitmap2, _T("So&und"),
 156                            _T("icon changes!"), wxITEM_CHECK);
 157     pItem->SetFont(fontBmp);
 158     pItem->SetBitmaps(bmpSound, bmpNoSound);
 159     file_menu->Append(pItem);
 160
 161     file_menu->AppendSeparator();
 162
 163     pItem = new wxMenuItem(file_menu, Menu_Submenu, _T("&Sub menu"), _T(""),
 164                            wxITEM_CHECK, sub_menu);
 165     pItem->SetFont(*wxSWISS_FONT);
 166     file_menu->Append(pItem);
 167
 168     file_menu->AppendSeparator();
 169     pItem = new wxMenuItem(file_menu, Menu_Quit, _T("&Quit"), _T("Normal item"),
 170                            wxITEM_NORMAL);
 171     pItem->SetFont(*wxNORMAL_FONT);
 172     file_menu->Append(pItem);
 173
 174     wxMenuBar *menu_bar = new wxMenuBar;
 175
 176     menu_bar->Append(file_menu, _T("&File"));
 177     SetMenuBar(menu_bar);
 178 }
 179
 180 // main frame constructor
 181 OwnerDrawnFrame::OwnerDrawnFrame(wxFrame *frame, wxChar *title,
 182                                  int x, int y, int w, int h)
 183          : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
 184 {
 185     // set the icon
 186     SetIcon(wxIcon(_T("mondrian")));
 187
 188     // create the menu
 189     InitMenu();
 190
 191     // create the status line
 192     const int widths[] = { -1, 60 };
 193     CreateStatusBar(2);
 194     SetStatusWidths(2, widths);
 195     SetStatusText(_T("no selection"), 0);
 196
 197     // make a panel with some controls
 198     wxPanel *pPanel = new wxPanel(this, -1, wxPoint(0, 0),
 199                                   wxSize(400, 200), wxTAB_TRAVERSAL);
 200
 201     // check list box
 202     static const wxChar* aszChoices[] = { _T("Hello"), _T("world"), _T("and"),
 203                                           _T("goodbye"), _T("cruel"), _T("world"),
 204                                           _T("-------"), _T("owner-drawn"), _T("listbox") };
 205
 206     wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
 207     unsigned int ui;
 208     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
 209         astrChoices[ui] = aszChoices[ui];
 210
 211     m_pListBox = new wxCheckListBox
 212         (
 213             pPanel,             // parent
 214             Control_Listbox,    // control id
 215             wxPoint(10, 10),    // listbox position
 216             wxSize(200, 200),   // listbox size
 217             WXSIZEOF(aszChoices), // number of strings
 218             astrChoices         // array of strings
 219         );
 220
 221     delete [] astrChoices;
 222
 223     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 )
 224     {
 225         m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
 226     }
 227
 228     m_pListBox->Check(2);
 229
 230     // normal (but owner-drawn) listbox
 231     static const wxChar* aszColors[] = { _T("Red"), _T("Blue"), _T("Pink"),
 232                                          _T("Green"), _T("Yellow"),
 233                                          _T("Black"), _T("Violet")  };
 234     struct { unsigned int r, g, b; } aColors[] =
 235         {
 236             {255,0,0}, {0,0,255}, {255,128,192},
 237             {0,255,0}, {255,255,128},
 238             {0,0,0}, {128,0,255}
 239         };
 240
 241     astrChoices = new wxString[WXSIZEOF(aszColors)];
 242
 243     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 244     {
 245         astrChoices[ui] = aszColors[ui];
 246     }
 247
 248     wxListBox *pListBox = new wxListBox
 249         (
 250             pPanel,              // parent
 251             Control_Listbox2,    // control id
 252             wxPoint(220, 10),    // listbox position
 253             wxDefaultSize,       // listbox size
 254             WXSIZEOF(aszColors),   // number of strings
 255             astrChoices,         // array of strings
 256             wxLB_OWNERDRAW,      // owner-drawn
 257             wxDefaultValidator,  //
 258             wxListBoxNameStr
 259         );
 260
 261     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 262     {
 263         pListBox->GetItem(ui)->SetTextColour(wxColor(aColors[ui].r,
 264                                                      aColors[ui].g,
 265                                                      aColors[ui].b));
 266         // yellow on white is horrible...
 267         if ( ui == 4 )
 268         {
 269             pListBox->GetItem(ui)->SetBackgroundColour(wxColor(0, 0, 0));
 270         }
 271
 272     }
 273
 274     delete[] astrChoices;
 275
 276     Show(TRUE);
 277 }
 278
 279 OwnerDrawnFrame::~OwnerDrawnFrame()
 280 {
 281 }
 282
 283 void OwnerDrawnFrame::OnQuit(wxCommandEvent& event)
 284 {
 285     Close(TRUE);
 286 }
 287
 288 void OwnerDrawnFrame::OnAbout(wxCommandEvent& event)
 289 {
 290     wxMessageDialog dialog(this,
 291                            _T("Demo of owner-drawn controls\n"),
 292                            _T("About wxOwnerDrawn"), wxYES_NO | wxCANCEL);
 293     dialog.ShowModal();
 294 }
 295
 296 void OwnerDrawnFrame::OnListboxSelect(wxCommandEvent& event)
 297 {
 298     wxString strSelection;
 299     unsigned int nSel = event.GetSelection();
 300     strSelection.Printf(wxT("item %d selected (%schecked)"), nSel,
 301                         m_pListBox->IsChecked(nSel) ? wxT("") : wxT("not "));
 302     SetStatusText(strSelection);
 303 }
 304
 305 void OwnerDrawnFrame::OnListboxDblClick(wxCommandEvent& event)
 306 {
 307     wxString strSelection;
 308     strSelection.Printf(wxT("item %d double clicked"),
 309                         m_pListBox->GetSelection());
 310     wxMessageDialog dialog(this, strSelection);
 311     dialog.ShowModal();
 312 }
 313
 314 void OwnerDrawnFrame::OnCheckboxToggle(wxCommandEvent& event)
 315 {
 316     wxString strSelection;
 317     unsigned int nItem = event.GetInt();
 318     strSelection.Printf(wxT("item %d was %schecked"), nItem,
 319                         m_pListBox->IsChecked(nItem) ? wxT("") : wxT("un"));
 320     SetStatusText(strSelection);
 321 }