samples/docview/docview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        docview.cpp
   3 // Purpose:     Document/view demo
   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 #ifdef __GNUG__
  13 // #pragma implementation "docview.h"
  14 #endif
  15
  16 /*
  17  * Purpose:  Document/view architecture demo for wxWindows class library
  18  *           Run with no arguments for multiple top-level windows, -single
  19  *           for a single window.
  20  */
  21
  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 #ifndef WX_PRECOMP
  31 #include "wx/wx.h"
  32 #endif
  33
  34 #if !USE_DOC_VIEW_ARCHITECTURE
  35 #error You must set USE_DOC_VIEW_ARCHITECTURE to 1 in wx_setup.h!
  36 #endif
  37
  38 #include "wx/docview.h"
  39
  40 #include "docview.h"
  41 #include "doc.h"
  42 #include "view.h"
  43
  44 MyFrame *frame = NULL;
  45
  46 // In single window mode, don't have any child windows; use
  47 // main window.
  48 bool singleWindowMode = FALSE;
  49
  50 IMPLEMENT_APP(MyApp)
  51
  52 MyApp::MyApp(void)
  53 {
  54     m_docManager = NULL;
  55 }
  56
  57 bool MyApp::OnInit(void)
  58 {
  59   //// Find out if we're:
  60   ////  SDI : multiple windows and documents but not MDI
  61   ////  MDI : multiple windows and documents with containing frame - MSW only)
  62   ///   single window : (one document at a time, only one frame, as in Windows Write)
  63   if (argc > 1)
  64   {
  65     if (strcmp(argv[1], "-single") == 0)
  66     {
  67       singleWindowMode = TRUE;
  68     }
  69   }
  70
  71   //// Create a document manager
  72   m_docManager = new wxDocManager;
  73
  74   //// Create a template relating drawing documents to their views
  75   (void) new wxDocTemplate(m_docManager, "Drawing", "*.drw", "", "drw", "Drawing Doc", "Drawing View",
  76           CLASSINFO(DrawingDocument), CLASSINFO(DrawingView));
  77
  78   if (singleWindowMode)
  79   {
  80     // If we've only got one window, we only get to edit
  81     // one document at a time. Therefore no text editing, just
  82     // doodling.
  83     m_docManager->SetMaxDocsOpen(1);
  84   }
  85   else
  86     //// Create a template relating text documents to their views
  87     (void) new wxDocTemplate(m_docManager, "Text", "*.txt", "", "txt", "Text Doc", "Text View",
  88           CLASSINFO(TextEditDocument), CLASSINFO(TextEditView));
  89
  90   //// Create the main frame window
  91   frame = new MyFrame(m_docManager, NULL, "DocView Demo", wxPoint(0, 0), wxSize(500, 400), wxDEFAULT_FRAME_STYLE);
  92
  93   //// Give it an icon (this is ignored in MDI mode: uses resources)
  94 #ifdef __WXMSW__
  95   frame->SetIcon(wxIcon("doc_icn"));
  96 #endif
  97 #ifdef __X__
  98   frame->SetIcon(wxIcon("aiai.xbm"));
  99 #endif
 100
 101   //// Make a menubar
 102   wxMenu *file_menu = new wxMenu;
 103   wxMenu *edit_menu = NULL;
 104
 105   file_menu->Append(wxID_NEW, "&New...");
 106   file_menu->Append(wxID_OPEN, "&Open...");
 107
 108   if (singleWindowMode)
 109   {
 110     file_menu->Append(wxID_CLOSE, "&Close");
 111     file_menu->Append(wxID_SAVE, "&Save");
 112     file_menu->Append(wxID_SAVEAS, "Save &As...");
 113     file_menu->AppendSeparator();
 114     file_menu->Append(wxID_PRINT, "&Print...");
 115     file_menu->Append(wxID_PRINT_SETUP, "Print &Setup...");
 116     file_menu->Append(wxID_PREVIEW, "Print Pre&view");
 117
 118     edit_menu = new wxMenu;
 119     edit_menu->Append(wxID_UNDO, "&Undo");
 120     edit_menu->Append(wxID_REDO, "&Redo");
 121     edit_menu->AppendSeparator();
 122     edit_menu->Append(DOCVIEW_CUT, "&Cut last segment");
 123
 124     frame->editMenu = edit_menu;
 125   }
 126
 127   file_menu->AppendSeparator();
 128   file_menu->Append(wxID_EXIT, "E&xit");
 129
 130   // A nice touch: a history of files visited. Use this menu.
 131   m_docManager->FileHistoryUseMenu(file_menu);
 132
 133   wxMenu *help_menu = new wxMenu;
 134   help_menu->Append(DOCVIEW_ABOUT, "&About");
 135
 136   wxMenuBar *menu_bar = new wxMenuBar;
 137
 138   menu_bar->Append(file_menu, "&File");
 139   if (edit_menu)
 140     menu_bar->Append(edit_menu, "&Edit");
 141   menu_bar->Append(help_menu, "&Help");
 142
 143   if (singleWindowMode)
 144     frame->canvas = frame->CreateCanvas(NULL, frame);
 145
 146   //// Associate the menu bar with the frame
 147   frame->SetMenuBar(menu_bar);
 148
 149   frame->Centre(wxBOTH);
 150   frame->Show(TRUE);
 151
 152   SetTopWindow(frame);
 153   return TRUE;
 154 }
 155
 156 int MyApp::OnExit(void)
 157 {
 158     delete m_docManager;
 159     return 0;
 160 }
 161
 162 /*
 163  * Centralised code for creating a document frame.
 164  * Called from view.cpp, when a view is created, but not used at all
 165  * in 'single window' mode.
 166  */
 167
 168 wxFrame *MyApp::CreateChildFrame(wxDocument *doc, wxView *view, bool isCanvas)
 169 {
 170   //// Make a child frame
 171   wxDocChildFrame *subframe = new wxDocChildFrame(doc, view, GetMainFrame(), "Child Frame",
 172         wxPoint(10, 10), wxSize(300, 300), wxDEFAULT_FRAME_STYLE);
 173
 174 #ifdef __WXMSW__
 175   subframe->SetIcon(wxString(isCanvas ? "chrt_icn" : "notepad_icn"));
 176 #endif
 177 #ifdef __X__
 178   subframe->SetIcon(wxIcon("aiai.xbm"));
 179 #endif
 180
 181   //// Make a menubar
 182   wxMenu *file_menu = new wxMenu;
 183
 184   file_menu->Append(wxID_NEW, "&New...");
 185   file_menu->Append(wxID_OPEN, "&Open...");
 186   file_menu->Append(wxID_CLOSE, "&Close");
 187   file_menu->Append(wxID_SAVE, "&Save");
 188   file_menu->Append(wxID_SAVEAS, "Save &As...");
 189
 190   if (isCanvas)
 191   {
 192     file_menu->AppendSeparator();
 193     file_menu->Append(wxID_PRINT, "&Print...");
 194     file_menu->Append(wxID_PRINT_SETUP, "Print &Setup...");
 195     file_menu->Append(wxID_PREVIEW, "Print Pre&view");
 196   }
 197
 198   wxMenu *edit_menu = NULL;
 199
 200   if (isCanvas)
 201   {
 202     edit_menu = new wxMenu;
 203     edit_menu->Append(wxID_UNDO, "&Undo");
 204     edit_menu->Append(wxID_REDO, "&Redo");
 205     edit_menu->AppendSeparator();
 206     edit_menu->Append(DOCVIEW_CUT, "&Cut last segment");
 207
 208     doc->GetCommandProcessor()->SetEditMenu(edit_menu);
 209   }
 210
 211   wxMenu *help_menu = new wxMenu;
 212   help_menu->Append(DOCVIEW_ABOUT, "&About");
 213
 214   wxMenuBar *menu_bar = new wxMenuBar;
 215
 216   menu_bar->Append(file_menu, "&File");
 217   if (isCanvas)
 218     menu_bar->Append(edit_menu, "&Edit");
 219   menu_bar->Append(help_menu, "&Help");
 220
 221   //// Associate the menu bar with the frame
 222   subframe->SetMenuBar(menu_bar);
 223
 224   subframe->Centre(wxBOTH);
 225
 226   return subframe;
 227 }
 228
 229 /*
 230  * This is the top-level window of the application.
 231  */
 232
 233 IMPLEMENT_CLASS(MyFrame, wxDocParentFrame)
 234 BEGIN_EVENT_TABLE(MyFrame, wxDocParentFrame)
 235     EVT_MENU(DOCVIEW_ABOUT, MyFrame::OnAbout)
 236 END_EVENT_TABLE()
 237
 238 MyFrame::MyFrame(wxDocManager *manager, wxFrame *frame, const wxString& title,
 239     const wxPoint& pos, const wxSize& size, const long type):
 240   wxDocParentFrame(manager, frame, title, pos, size, type)
 241 {
 242   // This pointer only needed if in single window mode
 243   canvas = NULL;
 244   editMenu = NULL;
 245 }
 246
 247 void MyFrame::OnAbout(wxCommandEvent& event)
 248 {
 249     (void)wxMessageBox("DocView Demo\nAuthor: Julian Smart julian.smart@ukonline.co.uk\nUsage: docview.exe [-single]", "About DocView");
 250 }
 251
 252 // Creates a canvas. Called either from view.cc when a new drawing
 253 // view is created, or in OnInit as a child of the main window,
 254 // if in 'single window' mode.
 255 MyCanvas *MyFrame::CreateCanvas(wxView *view, wxFrame *parent)
 256 {
 257   int width, height;
 258   parent->GetClientSize(&width, &height);
 259
 260   // Non-retained canvas
 261   MyCanvas *canvas = new MyCanvas(view, parent, wxPoint(0, 0), wxSize(width, height), 0);
 262   canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
 263
 264   // Give it scrollbars
 265   canvas->SetScrollbars(20, 20, 50, 50);
 266
 267   return canvas;
 268 }
 269
 270 MyFrame *GetMainFrame(void)
 271 {
 272   return frame;
 273 }
 274