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