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