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