contrib/samples/gizmos/splittree/tree.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        tree.cpp
   3 // Purpose:     Minimal wxWindows 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.cpp"
  21     #pragma interface "tree.cpp"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx/wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 // for all others, include the necessary headers (this file is usually all you
  32 // need because it includes almost all "standard" wxWindows headers)
  33 #ifndef WX_PRECOMP
  34     #include "wx/wx.h"
  35 #endif
  36
  37 #if !defined(__WXMSW__) || wxUSE_XPM_IN_MSW
  38 /* Closed folder */
  39 static char * icon1_xpm[] = {
  40 /* width height ncolors chars_per_pixel */
  41 "16 16 6 1",
  42 /* colors */
  43 "   s None  c None",
  44 ".  c #000000",
  45 "+  c #c0c0c0",
  46 "@  c #808080",
  47 "#  c #ffff00",
  48 "$  c #ffffff",
  49 /* pixels */
  50 "                ",
  51 "   @@@@@        ",
  52 "  @#+#+#@       ",
  53 " @#+#+#+#@@@@@@ ",
  54 " @$$$$$$$$$$$$@.",
  55 " @$#+#+#+#+#+#@.",
  56 " @$+#+#+#+#+#+@.",
  57 " @$#+#+#+#+#+#@.",
  58 " @$+#+#+#+#+#+@.",
  59 " @$#+#+#+#+#+#@.",
  60 " @$+#+#+#+#+#+@.",
  61 " @$#+#+#+#+#+#@.",
  62 " @@@@@@@@@@@@@@.",
  63 "  ..............",
  64 "                ",
  65 "                "};
  66
  67 /* File */
  68 static char * icon2_xpm[] = {
  69 /* width height ncolors chars_per_pixel */
  70 "16 16 3 1",
  71 /* colors */
  72 "     s None    c None",
  73 ".    c #000000",
  74 "+    c #ffffff",
  75 /* pixels */
  76 "                ",
  77 "  ........      ",
  78 "  .++++++..     ",
  79 "  .+.+.++.+.    ",
  80 "  .++++++....   ",
  81 "  .+.+.+++++.   ",
  82 "  .+++++++++.   ",
  83 "  .+.+.+.+.+.   ",
  84 "  .+++++++++.   ",
  85 "  .+.+.+.+.+.   ",
  86 "  .+++++++++.   ",
  87 "  .+.+.+.+.+.   ",
  88 "  .+++++++++.   ",
  89 "  ...........   ",
  90 "                ",
  91 "                "};
  92 #endif
  93
  94 #include "wx/imaglist.h"
  95 #include "tree.h"
  96
  97 // ----------------------------------------------------------------------------
  98 // resources
  99 // ----------------------------------------------------------------------------
 100 // the application icon
 101 #if defined(__WXGTK__) || defined(__WXMOTIF__)
 102     #include "mondrian.xpm"
 103 #endif
 104
 105 // ----------------------------------------------------------------------------
 106 // event tables and other macros for wxWindows
 107 // ----------------------------------------------------------------------------
 108
 109 // the event tables connect the wxWindows events with the functions (event
 110 // handlers) which process them. It can be also done at run-time, but for the
 111 // simple menu events like this the static method is much simpler.
 112 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 113     EVT_MENU(Minimal_Quit,  MyFrame::OnQuit)
 114     EVT_MENU(Minimal_About, MyFrame::OnAbout)
 115 END_EVENT_TABLE()
 116
 117 // Create a new application object: this macro will allow wxWindows to create
 118 // the application object during program execution (it's better than using a
 119 // static object for many reasons) and also declares the accessor function
 120 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
 121 // not wxApp)
 122 IMPLEMENT_APP(MyApp)
 123
 124 // ============================================================================
 125 // implementation
 126 // ============================================================================
 127
 128 // ----------------------------------------------------------------------------
 129 // the application class
 130 // ----------------------------------------------------------------------------
 131
 132 // 'Main program' equivalent: the program execution "starts" here
 133 bool MyApp::OnInit()
 134 {
 135     // create the main application window
 136     MyFrame *frame = new MyFrame("Tree Testing",
 137                                  wxPoint(50, 50), wxSize(450, 340));
 138
 139     // and show it (the frames, unlike simple controls, are not shown when
 140     // created initially)
 141     frame->Show(TRUE);
 142
 143     // success: wxApp::OnRun() will be called which will enter the main message
 144     // loop and the application will run. If we returned FALSE here, the
 145     // application would exit immediately.
 146     return TRUE;
 147 }
 148
 149 // ----------------------------------------------------------------------------
 150 // main frame
 151 // ----------------------------------------------------------------------------
 152
 153 // frame constructor
 154 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 155        : wxFrame((wxFrame *)NULL, idMAIN_FRAME, title, pos, size)
 156 {
 157     m_splitter = NULL;
 158         m_scrolledWindow = NULL;
 159     m_tree = NULL;
 160     m_valueWindow = NULL;
 161 #ifdef __WXMAC__
 162     // we need this in order to allow the about menu relocation, since ABOUT is
 163     // not the default id of the about menu
 164     wxApp::s_macAboutMenuItemId = Minimal_About;
 165 #endif
 166
 167     m_scrolledWindow = new wxSplitterScrolledWindow(this, idSCROLLED_WINDOW, wxDefaultPosition,
 168                 wxDefaultSize, wxNO_BORDER | wxCLIP_CHILDREN | wxVSCROLL);
 169     m_splitter = new wxThinSplitterWindow(m_scrolledWindow, idSPLITTER_WINDOW, wxDefaultPosition,
 170                 wxDefaultSize, wxSP_3DBORDER | wxCLIP_CHILDREN /* | wxSP_LIVE_UPDATE */);
 171         m_splitter->SetSashSize(2);
 172     m_tree = new TestTree(m_splitter, idTREE_CTRL, wxDefaultPosition,
 173                 wxDefaultSize, wxTR_HAS_BUTTONS | wxTR_NO_LINES | wxNO_BORDER );
 174     m_valueWindow = new TestValueWindow(m_splitter, idVALUE_WINDOW, wxDefaultPosition,
 175                 wxDefaultSize, wxNO_BORDER);
 176     m_splitter->SplitVertically(m_tree, m_valueWindow);
 177         //m_splitter->AdjustScrollbars();
 178         m_splitter->SetSashPosition(200);
 179         m_scrolledWindow->SetTargetWindow(m_tree);
 180
 181         m_scrolledWindow->EnableScrolling(FALSE, FALSE);
 182
 183         // Let the two controls know about each other
 184         m_valueWindow->SetTreeCtrl(m_tree);
 185         m_tree->SetCompanionWindow(m_valueWindow);
 186
 187     // set the frame icon
 188     SetIcon(wxICON(mondrian));
 189
 190     // create a menu bar
 191     wxMenu *menuFile = new wxMenu("", wxMENU_TEAROFF);
 192
 193     // the "About" item should be in the help menu
 194     wxMenu *helpMenu = new wxMenu;
 195     helpMenu->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog");
 196
 197     menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program");
 198
 199     // now append the freshly created menu to the menu bar...
 200     wxMenuBar *menuBar = new wxMenuBar();
 201     menuBar->Append(menuFile, "&File");
 202     menuBar->Append(helpMenu, "&Help");
 203
 204     // ... and attach this menu bar to the frame
 205     SetMenuBar(menuBar);
 206 }
 207
 208
 209 // event handlers
 210
 211 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 212 {
 213     // TRUE is to force the frame to close
 214     Close(TRUE);
 215 }
 216
 217 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 218 {
 219     wxString msg;
 220     msg.Printf( _T("This is the about dialog of tree sample.\n")
 221                 _T("Welcome to %s"), wxVERSION_STRING);
 222
 223     wxMessageBox(msg, "About Tree Test", wxOK | wxICON_INFORMATION, this);
 224 }
 225
 226 /*
 227  * TesTree
 228  */
 229
 230 IMPLEMENT_CLASS(TestTree, wxRemotelyScrolledTreeCtrl)
 231
 232 BEGIN_EVENT_TABLE(TestTree, wxRemotelyScrolledTreeCtrl)
 233         EVT_PAINT(TestTree::OnPaint)
 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 void TestTree::OnPaint(wxPaintEvent& event)
 277 {
 278         wxPaintDC dc(this);
 279
 280         wxTreeCtrl::OnPaint(event);
 281
 282     // Reset the device origin since it may have been set
 283     dc.SetDeviceOrigin(0, 0);
 284
 285         wxSize sz = GetClientSize();
 286
 287         wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
 288         dc.SetPen(pen);
 289         dc.SetBrush(* wxTRANSPARENT_BRUSH);
 290
 291     wxSize clientSize = GetClientSize();
 292         wxRect itemRect;
 293         int cy=0;
 294         wxTreeItemId h, lastH;
 295         for(h=GetFirstVisibleItem();h;h=GetNextVisible(h))
 296         {
 297                 if (GetBoundingRect(h, itemRect))
 298                 {
 299                         cy = itemRect.GetTop();
 300                         dc.DrawLine(0, cy, clientSize.x, cy);
 301                         lastH = h;
 302                 }
 303         }
 304         if (GetBoundingRect(lastH, itemRect))
 305         {
 306                 cy = itemRect.GetBottom();
 307                 dc.DrawLine(0, cy, clientSize.x, cy);
 308         }
 309 }
 310
 311 /*
 312  * TestValueWindow
 313  */
 314
 315 //IMPLEMENT_CLASS(TestValueWindow, wxWindow)
 316
 317 BEGIN_EVENT_TABLE(TestValueWindow, wxTreeCompanionWindow)
 318 END_EVENT_TABLE()
 319
 320 TestValueWindow::TestValueWindow(wxWindow* parent, wxWindowID id,
 321       const wxPoint& pos,
 322       const wxSize& sz,
 323       long style):
 324       wxTreeCompanionWindow(parent, id, pos, sz, style)
 325 {
 326         SetBackgroundColour(* wxWHITE);
 327 }