samples/mdi/mdi.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mdi.cpp
   3 // Purpose:     MDI sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20 #include "wx/wx.h"
  21 #include "wx/mdi.h"
  22 #endif
  23
  24 #include <wx/toolbar.h>
  25
  26 #ifdef __WXGTK__
  27 #include "mondrian.xpm"
  28 #include "bitmaps/new.xpm"
  29 #include "bitmaps/open.xpm"
  30 #include "bitmaps/save.xpm"
  31 #include "bitmaps/copy.xpm"
  32 #include "bitmaps/cut.xpm"
  33 // #include "bitmaps/paste.xpm"
  34 #include "bitmaps/print.xpm"
  35 #include "bitmaps/preview.xpm"
  36 #include "bitmaps/help.xpm"
  37 #endif
  38
  39
  40 #include "mdi.h"
  41
  42 MyFrame *frame = NULL;
  43 wxList my_children;
  44
  45 IMPLEMENT_APP(MyApp)
  46
  47 // For drawing lines in a canvas
  48 long xpos = -1;
  49 long ypos = -1;
  50
  51 int winNumber = 1;
  52
  53 // Initialise this in OnInit, not statically
  54 bool MyApp::OnInit(void)
  55 {
  56   // Create the main frame window
  57
  58   frame = new MyFrame(NULL, -1, "MDI Demo", wxPoint(0, 0), wxSize(500, 400),
  59    wxDEFAULT_FRAME | wxHSCROLL | wxVSCROLL);
  60
  61   // Give it an icon (this is ignored in MDI mode: uses resources)
  62 #ifdef __WXMSW__
  63   frame->SetIcon(wxIcon("mdi_icn"));
  64 #endif
  65
  66   // Make a menubar
  67   wxMenu *file_menu = new wxMenu;
  68
  69   file_menu->Append(MDI_NEW_WINDOW, "&New window");
  70   file_menu->Append(MDI_QUIT, "&Exit");
  71
  72   wxMenu *help_menu = new wxMenu;
  73   help_menu->Append(MDI_ABOUT, "&About");
  74
  75   wxMenuBar *menu_bar = new wxMenuBar;
  76
  77   menu_bar->Append(file_menu, "&File");
  78   menu_bar->Append(help_menu, "&Help");
  79
  80   // Associate the menu bar with the frame
  81   frame->SetMenuBar(menu_bar);
  82
  83   frame->CreateStatusBar();
  84
  85   frame->Show(TRUE);
  86
  87   SetTopWindow(frame);
  88
  89   return TRUE;
  90 }
  91
  92 BEGIN_EVENT_TABLE(MyFrame, wxMDIParentFrame)
  93     EVT_MENU(MDI_ABOUT, MyFrame::OnAbout)
  94     EVT_MENU(MDI_NEW_WINDOW, MyFrame::OnNewWindow)
  95     EVT_SIZE(MyFrame::OnSize)
  96     EVT_MENU(MDI_QUIT, MyFrame::OnQuit)
  97 END_EVENT_TABLE()
  98
  99 // Define my frame constructor
 100 MyFrame::MyFrame(wxWindow *parent, const wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size,
 101         const long style):
 102   wxMDIParentFrame(parent, id, title, pos, size, style)
 103 {
 104     textWindow = new wxTextCtrl(this, -1, "", wxDefaultPosition, wxDefaultSize,
 105         wxTE_MULTILINE|wxSUNKEN_BORDER);
 106     textWindow->SetValue("A help window");
 107
 108     CreateToolBar(wxNO_BORDER|wxTB_FLAT|wxTB_HORIZONTAL);
 109     InitToolBar(GetToolBar());
 110
 111 #ifdef __WXMSW__
 112     // Accelerators
 113     wxAcceleratorEntry entries[3];
 114     entries[0].Set(wxACCEL_CTRL, (int) 'N', MDI_NEW_WINDOW);
 115     entries[1].Set(wxACCEL_CTRL, (int) 'X', MDI_QUIT);
 116     entries[2].Set(wxACCEL_CTRL, (int) 'A', MDI_ABOUT);
 117     wxAcceleratorTable accel(3, entries);
 118     SetAcceleratorTable(accel);
 119 #endif
 120 }
 121
 122 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event) )
 123 {
 124       Close(TRUE);
 125 }
 126
 127 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 128 {
 129       (void)wxMessageBox("wxWindows 2.0 MDI Demo\nAuthor: Julian Smart (c) 1997\nUsage: mdi.exe", "About MDI Demo");
 130 }
 131
 132 void MyFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event) )
 133 {
 134       // Make another frame, containing a canvas
 135       MyChild *subframe = new MyChild(frame, "Canvas Frame", wxPoint(-1, -1), wxSize(-1, -1),
 136                              wxDEFAULT_FRAME);
 137
 138       wxString title;
 139       title.Printf("Canvas Frame %d", winNumber);
 140       subframe->SetTitle(title);
 141       winNumber ++;
 142
 143       // Give it an icon (this is ignored in MDI mode: uses resources)
 144 #ifdef __WXMSW__
 145       subframe->SetIcon(wxIcon("chrt_icn"));
 146 #else
 147       subframe->SetIcon(wxIcon(mondrian_xpm));
 148 #endif
 149
 150       // Give it a status line
 151       subframe->CreateStatusBar();
 152
 153       // Make a menubar
 154       wxMenu *file_menu = new wxMenu;
 155
 156       file_menu->Append(MDI_NEW_WINDOW, "&New window");
 157       file_menu->Append(MDI_CHILD_QUIT, "&Close child");
 158       file_menu->Append(MDI_QUIT, "&Exit");
 159
 160       wxMenu *option_menu = new wxMenu;
 161
 162       // Dummy option
 163       option_menu->Append(MDI_REFRESH, "&Refresh picture");
 164
 165       wxMenu *help_menu = new wxMenu;
 166       help_menu->Append(MDI_ABOUT, "&About");
 167
 168       wxMenuBar *menu_bar = new wxMenuBar;
 169
 170       menu_bar->Append(file_menu, "&File");
 171       menu_bar->Append(option_menu, "&Options");
 172       menu_bar->Append(help_menu, "&Help");
 173
 174       // Associate the menu bar with the frame
 175       subframe->SetMenuBar(menu_bar);
 176
 177       int width, height;
 178       subframe->GetClientSize(&width, &height);
 179       MyCanvas *canvas = new MyCanvas(subframe, wxPoint(0, 0), wxSize(width, height));
 180       canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
 181       subframe->canvas = canvas;
 182
 183       // Give it scrollbars
 184       canvas->SetScrollbars(20, 20, 50, 50);
 185
 186       subframe->Show(TRUE);
 187 }
 188
 189 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 190         EVT_MOUSE_EVENTS(MyCanvas::OnEvent)
 191 END_EVENT_TABLE()
 192
 193 // Define a constructor for my canvas
 194 MyCanvas::MyCanvas(wxWindow *parent, const wxPoint& pos, const wxSize& size):
 195  wxScrolledWindow(parent, -1, pos, size, wxSUNKEN_BORDER)
 196 {
 197 }
 198
 199 // Define the repainting behaviour
 200 void MyCanvas::OnDraw(wxDC& dc)
 201 {
 202   dc.SetFont(*wxSWISS_FONT);
 203   dc.SetPen(*wxGREEN_PEN);
 204   dc.DrawLine(0, 0, 200, 200);
 205   dc.DrawLine(200, 0, 0, 200);
 206
 207   dc.SetBrush(*wxCYAN_BRUSH);
 208   dc.SetPen(*wxRED_PEN);
 209   dc.DrawRectangle(100, 100, 100, 50);
 210   dc.DrawRoundedRectangle(150, 150, 100, 50, 20);
 211
 212   dc.DrawEllipse(250, 250, 100, 50);
 213   dc.DrawSpline(50, 200, 50, 100, 200, 10);
 214   dc.DrawLine(50, 230, 200, 230);
 215   dc.DrawText("This is a test string", 50, 230);
 216
 217   wxPoint points[3];
 218   points[0].x = 200; points[0].y = 300;
 219   points[1].x = 100; points[1].y = 400;
 220   points[2].x = 300; points[2].y = 400;
 221
 222   dc.DrawPolygon(3, points);
 223 }
 224
 225 // This implements a tiny doodling program! Drag the mouse using
 226 // the left button.
 227 void MyCanvas::OnEvent(wxMouseEvent& event)
 228 {
 229   wxClientDC dc(this);
 230   PrepareDC(dc);
 231
 232   wxPoint pt(event.GetLogicalPosition(dc));
 233
 234   if (xpos > -1 && ypos > -1 && event.Dragging())
 235   {
 236     dc.SetPen(*wxBLACK_PEN);
 237     dc.DrawLine(xpos, ypos, pt.x, pt.y);
 238   }
 239   xpos = pt.x;
 240   ypos = pt.y;
 241 }
 242
 243 // Define the behaviour for the frame closing
 244 // - must delete all frames except for the main one.
 245 bool MyFrame::OnClose(void)
 246 {
 247   // Must delete children
 248   wxNode *node = my_children.First();
 249   while (node)
 250   {
 251     MyChild *child = (MyChild *)node->Data();
 252     wxNode *next = node->Next();
 253     child->OnClose();
 254     delete child;
 255     node = next;
 256   }
 257   return TRUE;
 258 }
 259
 260 void MyFrame::OnSize(wxSizeEvent& WXUNUSED(event) )
 261 {
 262     int w, h;
 263     GetClientSize(&w, &h);
 264
 265     textWindow->SetSize(0, 0, 200, h);
 266     GetClientWindow()->SetSize(200, 0, w - 200, h);
 267 }
 268
 269 // Note that MDI_NEW_WINDOW and MDI_ABOUT commands get passed
 270 // to the parent window for processing, so no need to
 271 // duplicate event handlers here.
 272
 273 BEGIN_EVENT_TABLE(MyChild, wxMDIChildFrame)
 274   EVT_MENU(MDI_CHILD_QUIT, MyChild::OnQuit)
 275 END_EVENT_TABLE()
 276
 277 MyChild::MyChild(wxMDIParentFrame *parent, const wxString& title, const wxPoint& pos, const wxSize& size,
 278 const long style):
 279   wxMDIChildFrame(parent, -1, title, pos, size, style)
 280 {
 281   canvas = NULL;
 282   my_children.Append(this);
 283 }
 284
 285 MyChild::~MyChild(void)
 286 {
 287   my_children.DeleteObject(this);
 288 }
 289
 290 void MyChild::OnQuit(wxCommandEvent& WXUNUSED(event))
 291 {
 292       Close(TRUE);
 293 }
 294
 295 void MyChild::OnActivate(wxActivateEvent& event)
 296 {
 297   if (event.GetActive() && canvas)
 298     canvas->SetFocus();
 299 }
 300
 301 bool MyChild::OnClose(void)
 302 {
 303   return TRUE;
 304 }
 305
 306 void MyFrame::InitToolBar(wxToolBar* toolBar)
 307 {
 308     wxBitmap* bitmaps[8];
 309
 310 #ifdef __WXMSW__
 311     bitmaps[0] = new wxBitmap("icon1", wxBITMAP_TYPE_RESOURCE);
 312     bitmaps[1] = new wxBitmap("icon2", wxBITMAP_TYPE_RESOURCE);
 313     bitmaps[2] = new wxBitmap("icon3", wxBITMAP_TYPE_RESOURCE);
 314     bitmaps[3] = new wxBitmap("icon4", wxBITMAP_TYPE_RESOURCE);
 315     bitmaps[4] = new wxBitmap("icon5", wxBITMAP_TYPE_RESOURCE);
 316     bitmaps[5] = new wxBitmap("icon6", wxBITMAP_TYPE_RESOURCE);
 317     bitmaps[6] = new wxBitmap("icon7", wxBITMAP_TYPE_RESOURCE);
 318     bitmaps[7] = new wxBitmap("icon8", wxBITMAP_TYPE_RESOURCE);
 319 #else
 320   bitmaps[0] = new wxBitmap( new_xpm );
 321   bitmaps[1] = new wxBitmap( open_xpm );
 322   bitmaps[2] = new wxBitmap( save_xpm );
 323   bitmaps[3] = new wxBitmap( copy_xpm );
 324   bitmaps[4] = new wxBitmap( cut_xpm );
 325 //  bitmaps[5] = new wxBitmap( paste_xpm );
 326   bitmaps[5] = new wxBitmap( preview_xpm );
 327   bitmaps[6] = new wxBitmap( print_xpm );
 328   bitmaps[7] = new wxBitmap( help_xpm );
 329 #endif
 330
 331 #ifdef __WXMSW__
 332   int width = 24;
 333 #else
 334   int width = 16;
 335 #endif
 336   int currentX = 5;
 337
 338   toolBar->AddTool(0, *bitmaps[0], wxNullBitmap, FALSE, currentX, -1, NULL, "New file");
 339   currentX += width + 5;
 340   toolBar->AddTool(1, *bitmaps[1], wxNullBitmap, FALSE, currentX, -1, NULL, "Open file");
 341   currentX += width + 5;
 342   toolBar->AddTool(2, *bitmaps[2], wxNullBitmap, FALSE, currentX, -1, NULL, "Save file");
 343   currentX += width + 5;
 344   toolBar->AddSeparator();
 345   toolBar->AddTool(3, *bitmaps[3], wxNullBitmap, FALSE, currentX, -1, NULL, "Copy");
 346   currentX += width + 5;
 347   toolBar->AddTool(4, *bitmaps[4], wxNullBitmap, FALSE, currentX, -1, NULL, "Cut");
 348   currentX += width + 5;
 349   toolBar->AddTool(5, *bitmaps[5], wxNullBitmap, FALSE, currentX, -1, NULL, "Paste");
 350   currentX += width + 5;
 351   toolBar->AddSeparator();
 352   toolBar->AddTool(6, *bitmaps[6], wxNullBitmap, FALSE, currentX, -1, NULL, "Print");
 353   currentX += width + 5;
 354   toolBar->AddSeparator();
 355   toolBar->AddTool(7, *bitmaps[7], wxNullBitmap, TRUE, currentX, -1, NULL, "Help");
 356
 357   toolBar->Realize();
 358
 359   int i;
 360   for (i = 0; i < 8; i++)
 361     delete bitmaps[i];
 362 }
 363