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, char *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, "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("bell"), bmpSound("sound"), bmpNoSound("nosound");
 112
 113     // construct submenu
 114     pItem = new wxMenuItem(sub_menu, Menu_Sub1, "Submenu &first", "large");
 115
 116     pItem->SetFont(fontLarge);
 117     sub_menu->Append(pItem);
 118
 119     pItem = new wxMenuItem(sub_menu, Menu_Sub2, "Submenu &second", "italic",
 120                            wxITEM_CHECK);
 121     pItem->SetFont(fontItalic);
 122     sub_menu->Append(pItem);
 123
 124     pItem = new wxMenuItem(sub_menu, Menu_Sub3, "Submenu &third", "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, "&Uncheckable", "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, "&Checkable",
 137                            "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, "&Disabled", "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, "&Bell",
 150                            "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, "So&und",
 156                            "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, "&Sub menu", "",
 164                            wxITEM_CHECK, sub_menu);
 165     pItem->SetFont(*wxSWISS_FONT);
 166     file_menu->Append(pItem);
 167
 168     file_menu->AppendSeparator();
 169     file_menu->Append(Menu_Quit, "&Quit", "Normal item");
 170
 171     wxMenuBar *menu_bar = new wxMenuBar;
 172
 173     menu_bar->Append(file_menu, "&File");
 174     SetMenuBar(menu_bar);
 175 }
 176
 177 // main frame constructor
 178 OwnerDrawnFrame::OwnerDrawnFrame(wxFrame *frame, char *title,
 179                                  int x, int y, int w, int h)
 180          : wxFrame(frame, -1, title, wxPoint(x, y), wxSize(w, h))
 181 {
 182     // set the icon
 183     SetIcon(wxIcon("mondrian"));
 184
 185     // create the menu
 186     InitMenu();
 187
 188     // create the status line
 189     const int widths[] = { -1, 60 };
 190     CreateStatusBar(2);
 191     SetStatusWidths(2, widths);
 192     SetStatusText("no selection", 0);
 193
 194     // make a panel with some controls
 195     wxPanel *pPanel = new wxPanel(this, -1, wxPoint(0, 0),
 196                                   wxSize(400, 200), wxTAB_TRAVERSAL);
 197
 198     // check list box
 199     static const char* aszChoices[] = { "Hello", "world", "and",
 200                                       "goodbye", "cruel", "world",
 201                                       "-------", "owner-drawn", "listbox" };
 202
 203     wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
 204     unsigned int ui;
 205     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
 206         astrChoices[ui] = aszChoices[ui];
 207
 208     m_pListBox = new wxCheckListBox
 209         (
 210             pPanel,             // parent
 211             Control_Listbox,    // control id
 212             wxPoint(10, 10),    // listbox position
 213             wxSize(200, 200),   // listbox size
 214             WXSIZEOF(aszChoices), // number of strings
 215             astrChoices         // array of strings
 216         );
 217
 218     delete [] astrChoices;
 219
 220     for ( ui = 0; ui < WXSIZEOF(aszChoices); ui += 2 )
 221     {
 222         m_pListBox->GetItem(ui)->SetBackgroundColour(wxColor(200, 200, 200));
 223     }
 224
 225     m_pListBox->Check(2);
 226
 227     // normal (but owner-drawn) listbox
 228     static const char* aszColors[] = { "Red", "Blue", "Pink",
 229                                        "Green", "Yellow",
 230                                        "Black", "Violet"  };
 231     struct { unsigned int r, g, b; } aColors[] =
 232         {
 233             {255,0,0}, {0,0,255}, {255,128,192},
 234             {0,255,0}, {255,255,128},
 235             {0,0,0}, {128,0,255}
 236         };
 237
 238     astrChoices = new wxString[WXSIZEOF(aszColors)];
 239
 240     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 241     {
 242         astrChoices[ui] = aszColors[ui];
 243     }
 244
 245     wxListBox *pListBox = new wxListBox
 246         (
 247             pPanel,              // parent
 248             Control_Listbox2,    // control id
 249             wxPoint(220, 10),    // listbox position
 250             wxDefaultSize,       // listbox size
 251             WXSIZEOF(aszColors),   // number of strings
 252             astrChoices,         // array of strings
 253             wxLB_OWNERDRAW,      // owner-drawn
 254             wxDefaultValidator,  //
 255             wxListBoxNameStr
 256         );
 257
 258     for ( ui = 0; ui < WXSIZEOF(aszColors); ui++ )
 259     {
 260         pListBox->GetItem(ui)->SetTextColour(wxColor(aColors[ui].r,
 261                                                      aColors[ui].g,
 262                                                      aColors[ui].b));
 263         // yellow on white is horrible...
 264         if ( ui == 4 )
 265         {
 266             pListBox->GetItem(ui)->SetBackgroundColour(wxColor(0, 0, 0));
 267         }
 268
 269     }
 270
 271     delete[] astrChoices;
 272
 273     Show(TRUE);
 274 }
 275
 276 OwnerDrawnFrame::~OwnerDrawnFrame()
 277 {
 278 }
 279
 280 void OwnerDrawnFrame::OnQuit(wxCommandEvent& event)
 281 {
 282     Close(TRUE);
 283 }
 284
 285 void OwnerDrawnFrame::OnAbout(wxCommandEvent& event)
 286 {
 287     wxMessageDialog dialog(this,
 288                            "Demo of owner-drawn controls\n",
 289                            "About wxOwnerDrawn", wxYES_NO | wxCANCEL);
 290     dialog.ShowModal();
 291 }
 292
 293 void OwnerDrawnFrame::OnListboxSelect(wxCommandEvent& event)
 294 {
 295     wxString strSelection;
 296     unsigned int nSel = event.GetSelection();
 297     strSelection.sprintf(wxT("item %d selected (%schecked)"), nSel,
 298                          m_pListBox->IsChecked(nSel) ? wxT("") : wxT("not "));
 299     SetStatusText(strSelection);
 300 }
 301
 302 void OwnerDrawnFrame::OnListboxDblClick(wxCommandEvent& event)
 303 {
 304     wxString strSelection;
 305     strSelection.sprintf(wxT("item %d double clicked"),
 306                          m_pListBox->GetSelection());
 307     wxMessageDialog dialog(this, strSelection);
 308     dialog.ShowModal();
 309 }
 310
 311 void OwnerDrawnFrame::OnCheckboxToggle(wxCommandEvent& event)
 312 {
 313     wxString strSelection;
 314     unsigned int nItem = event.GetInt();
 315     strSelection.sprintf(wxT("item %d was %schecked"), nItem,
 316                          m_pListBox->IsChecked(nItem) ? wxT("") : wxT("un"));
 317     SetStatusText(strSelection);
 318 }