contrib/samples/gizmos/splittree/tree.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        tree.cpp
   3 // Purpose:     Minimal wxWidgets sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19 #ifdef __GNUG__
  20     #pragma implementation "tree.h"
  21 #endif
  22
  23 // For compilers that support precompilation, includes "wx/wx.h".
  24 #include "wx/wxprec.h"
  25
  26 #ifdef __BORLANDC__
  27     #pragma hdrstop
  28 #endif
  29
  30 // for all others, include the necessary headers (this file is usually all you
  31 // need because it includes almost all "standard" wxWidgets headers)
  32 #ifndef WX_PRECOMP
  33     #include "wx/wx.h"
  34 #endif
  35
  36 #if !defined(__WXMSW__) || wxUSE_XPM_IN_MSW
  37 /* Closed folder */
  38 static char * icon1_xpm[] = {
  39 /* width height ncolors chars_per_pixel */
  40 "16 16 6 1",
  41 /* colors */
  42 "   s None  c None",
  43 ".  c #000000",
  44 "+  c #c0c0c0",
  45 "@  c #808080",
  46 "#  c #ffff00",
  47 "$  c #ffffff",
  48 /* pixels */
  49 "                ",
  50 "   @@@@@        ",
  51 "  @#+#+#@       ",
  52 " @#+#+#+#@@@@@@ ",
  53 " @$$$$$$$$$$$$@.",
  54 " @$#+#+#+#+#+#@.",
  55 " @$+#+#+#+#+#+@.",
  56 " @$#+#+#+#+#+#@.",
  57 " @$+#+#+#+#+#+@.",
  58 " @$#+#+#+#+#+#@.",
  59 " @$+#+#+#+#+#+@.",
  60 " @$#+#+#+#+#+#@.",
  61 " @@@@@@@@@@@@@@.",
  62 "  ..............",
  63 "                ",
  64 "                "};
  65
  66 /* File */
  67 static char * icon2_xpm[] = {
  68 /* width height ncolors chars_per_pixel */
  69 "16 16 3 1",
  70 /* colors */
  71 "     s None    c None",
  72 ".    c #000000",
  73 "+    c #ffffff",
  74 /* pixels */
  75 "                ",
  76 "  ........      ",
  77 "  .++++++..     ",
  78 "  .+.+.++.+.    ",
  79 "  .++++++....   ",
  80 "  .+.+.+++++.   ",
  81 "  .+++++++++.   ",
  82 "  .+.+.+.+.+.   ",
  83 "  .+++++++++.   ",
  84 "  .+.+.+.+.+.   ",
  85 "  .+++++++++.   ",
  86 "  .+.+.+.+.+.   ",
  87 "  .+++++++++.   ",
  88 "  ...........   ",
  89 "                ",
  90 "                "};
  91 #endif
  92
  93 #include "wx/imaglist.h"
  94 #include "tree.h"
  95
  96 // ----------------------------------------------------------------------------
  97 // resources
  98 // ----------------------------------------------------------------------------
  99 // the application icon
 100 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
 101     #include "mondrian.xpm"
 102 #endif
 103
 104 // ----------------------------------------------------------------------------
 105 // event tables and other macros for wxWidgets
 106 // ----------------------------------------------------------------------------
 107
 108 // the event tables connect the wxWidgets events with the functions (event
 109 // handlers) which process them. It can be also done at run-time, but for the
 110 // simple menu events like this the static method is much simpler.
 111 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 112     EVT_MENU(Minimal_Quit,  MyFrame::OnQuit)
 113     EVT_MENU(Minimal_About, MyFrame::OnAbout)
 114 END_EVENT_TABLE()
 115
 116 // Create a new application object: this macro will allow wxWidgets to create
 117 // the application object during program execution (it's better than using a
 118 // static object for many reasons) and also declares the accessor function
 119 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 120 // not wxApp)
 121 IMPLEMENT_APP(MyApp)
 122
 123 // ============================================================================
 124 // implementation
 125 // ============================================================================
 126
 127 // ----------------------------------------------------------------------------
 128 // the application class
 129 // ----------------------------------------------------------------------------
 130
 131 // 'Main program' equivalent: the program execution "starts" here
 132 bool MyApp::OnInit()
 133 {
 134     // create the main application window
 135     MyFrame *frame = new MyFrame(wxT("Tree Testing"),
 136                                  wxPoint(50, 50), wxSize(450, 340));
 137
 138     // and show it (the frames, unlike simple controls, are not shown when
 139     // created initially)
 140     frame->Show(true);
 141
 142     // success: wxApp::OnRun() will be called which will enter the main message
 143     // loop and the application will run. If we returned false here, the
 144     // application would exit immediately.
 145     return true;
 146 }
 147
 148 // ----------------------------------------------------------------------------
 149 // main frame
 150 // ----------------------------------------------------------------------------
 151
 152 // frame constructor
 153 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 154        : wxFrame((wxFrame *)NULL, idMAIN_FRAME, title, pos, size)
 155 {
 156     m_splitter = NULL;
 157     m_scrolledWindow = NULL;
 158     m_tree = NULL;
 159     m_valueWindow = NULL;
 160 #ifdef __WXMAC__
 161     // we need this in order to allow the about menu relocation, since ABOUT is
 162     // not the default id of the about menu
 163     wxApp::s_macAboutMenuItemId = Minimal_About;
 164 #endif
 165
 166     m_scrolledWindow = new wxSplitterScrolledWindow(this, idSCROLLED_WINDOW, wxDefaultPosition,
 167         wxSize(300, 400), wxNO_BORDER | wxCLIP_CHILDREN | wxVSCROLL);
 168     m_splitter = new wxThinSplitterWindow(m_scrolledWindow, idSPLITTER_WINDOW, wxDefaultPosition,
 169         wxDefaultSize, wxSP_3DBORDER | wxCLIP_CHILDREN /* | wxSP_LIVE_UPDATE */);
 170     m_splitter->SetSashSize(2);
 171
 172     /* Note the wxTR_ROW_LINES style: draws horizontal lines between items */
 173     m_tree = new TestTree(m_splitter , idTREE_CTRL, wxDefaultPosition,
 174         wxDefaultSize, wxTR_HAS_BUTTONS | wxTR_NO_LINES | wxNO_BORDER | wxTR_ROW_LINES );
 175     m_valueWindow = new TestValueWindow(m_splitter, idVALUE_WINDOW, wxDefaultPosition,
 176         wxDefaultSize, wxNO_BORDER);
 177     m_splitter->SplitVertically(m_tree, m_valueWindow);
 178     //m_splitter->AdjustScrollbars();
 179     m_splitter->SetSashPosition(200);
 180     m_scrolledWindow->SetTargetWindow(m_tree);
 181
 182     m_scrolledWindow->EnableScrolling(false, false);
 183
 184     // Let the two controls know about each other
 185     m_valueWindow->SetTreeCtrl(m_tree);
 186     m_tree->SetCompanionWindow(m_valueWindow);
 187
 188     // set the frame icon
 189     SetIcon(wxICON(mondrian));
 190
 191     // create a menu bar
 192     wxMenu *menuFile = new wxMenu(wxT(""), wxMENU_TEAROFF);
 193
 194     // the "About" item should be in the help menu
 195     wxMenu *helpMenu = new wxMenu;
 196     helpMenu->Append(Minimal_About, wxT("&About...\tCtrl-A"), wxT("Show about dialog"));
 197
 198     menuFile->Append(Minimal_Quit, wxT("E&xit\tAlt-X"), wxT("Quit this program"));
 199
 200     // now append the freshly created menu to the menu bar...
 201     wxMenuBar *menuBar = new wxMenuBar();
 202     menuBar->Append(menuFile, wxT("&File"));
 203     menuBar->Append(helpMenu, wxT("&Help"));
 204
 205     // ... and attach this menu bar to the frame
 206     SetMenuBar(menuBar);
 207 }
 208
 209
 210 // event handlers
 211
 212 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 213 {
 214     // true is to force the frame to close
 215     Close(true);
 216 }
 217
 218 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 219 {
 220     wxString msg;
 221     msg.Printf( wxT("This is the about dialog of splittree sample.\n")
 222                 wxT("Welcome to %s"), wxVERSION_STRING);
 223
 224     wxMessageBox(msg, wxT("About Tree Test"), wxOK | wxICON_INFORMATION, this);
 225 }
 226
 227 /*
 228  * TesTree
 229  */
 230
 231 IMPLEMENT_CLASS(TestTree, wxRemotelyScrolledTreeCtrl)
 232
 233 BEGIN_EVENT_TABLE(TestTree, wxRemotelyScrolledTreeCtrl)
 234 END_EVENT_TABLE()
 235
 236 TestTree::TestTree(wxWindow* parent, wxWindowID id, const wxPoint& pt,
 237         const wxSize& sz, long style):
 238         wxRemotelyScrolledTreeCtrl(parent, id, pt, sz, style)
 239 {
 240     m_imageList = new wxImageList(16, 16, true);
 241 #if !defined(__WXMSW__) // || wxUSE_XPM_IN_MSW
 242     m_imageList->Add(wxIcon(icon1_xpm));
 243     m_imageList->Add(wxIcon(icon2_xpm));
 244 #elif defined(__WXMSW__)
 245     m_imageList->Add(wxIcon(wxT("wxICON_SMALL_CLOSED_FOLDER"), wxBITMAP_TYPE_ICO_RESOURCE));
 246     m_imageList->Add(wxIcon(wxT("wxICON_SMALL_FILE"), wxBITMAP_TYPE_ICO_RESOURCE));
 247 #else
 248 #error "Sorry, we don't have icons available for this platforms."
 249 #endif
 250     SetImageList(m_imageList);
 251
 252
 253     // Add some dummy items
 254     wxTreeItemId rootId = AddRoot(_("Root"), -1, -1);
 255     int i;
 256     for (i = 1; i <= 20; i++)
 257     {
 258         wxString label;
 259         label.Printf(wxT("Item %d"), i);
 260         wxTreeItemId id = AppendItem(rootId, label, 0);
 261         //SetItemImage( id, 1, wxTreeItemIcon_Expanded );
 262
 263         int j;
 264         for (j = 0; j < 10; j++)
 265             AppendItem(id, _("Child"), 1);
 266     }
 267     Expand(rootId);
 268 }
 269
 270 TestTree::~TestTree()
 271 {
 272     SetImageList(NULL);
 273     delete m_imageList;
 274 }
 275
 276 /*
 277  * TestValueWindow
 278  */
 279
 280 //IMPLEMENT_CLASS(TestValueWindow, wxWindow)
 281
 282 BEGIN_EVENT_TABLE(TestValueWindow, wxTreeCompanionWindow)
 283 END_EVENT_TABLE()
 284
 285 TestValueWindow::TestValueWindow(wxWindow* parent, wxWindowID id,
 286       const wxPoint& pos,
 287       const wxSize& sz,
 288       long style):
 289       wxTreeCompanionWindow(parent, id, pos, sz, style)
 290 {
 291     SetBackgroundColour(* wxWHITE);
 292 }