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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
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 !wxUSE_DOC_VIEW_ARCHITECTURE
35 #error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in setup.h!
36 #endif
37
38 #include "wx/docview.h"
39
40 #include "docview.h"
41 #include "doc.h"
42 #include "view.h"
43 #ifdef __WXMAC__
44 #include "wx/filename.h"
45 #endif
46
47 MyFrame *frame = (MyFrame *) NULL;
48
49 // In single window mode, don't have any child windows; use
50 // main window.
51 bool singleWindowMode = FALSE;
52
53 IMPLEMENT_APP(MyApp)
54
55 MyApp::MyApp(void)
56 {
57 m_docManager = (wxDocManager *) NULL;
58 }
59
60 bool MyApp::OnInit(void)
61 {
62 //// Find out if we're:
63 //// multiple window: multiple windows, each view in a separate frame
64 //// single window: one view (within the main frame) and one document at a time, as in Windows Write.
65 //// In single window mode, we only allow one document type
66 if (argc > 1)
67 {
68 if (wxStrcmp(argv[1], _T("-single")) == 0)
69 {
70 singleWindowMode = TRUE;
71 }
72 }
73
74 //// Create a document manager
75 m_docManager = new wxDocManager;
76
77 //// Create a template relating drawing documents to their views
78 (void) new wxDocTemplate(m_docManager, _T("Drawing"), _T("*.drw"), _T(""), _T("drw"), _T("Drawing Doc"), _T("Drawing View"),
79 CLASSINFO(DrawingDocument), CLASSINFO(DrawingView));
80 #ifdef __WXMAC__
81 wxFileName::MacRegisterDefaultTypeAndCreator( "drw" , 'WXMB' , 'WXMA' ) ;
82 #endif
83
84 if (singleWindowMode)
85 {
86 // If we've only got one window, we only get to edit
87 // one document at a time. Therefore no text editing, just
88 // doodling.
89 m_docManager->SetMaxDocsOpen(1);
90 }
91 else
92 {
93 //// Create a template relating text documents to their views
94 (void) new wxDocTemplate(m_docManager, _T("Text"), _T("*.txt;*.text"), _T(""), _T("txt;text"), _T("Text Doc"), _T("Text View"),
95 CLASSINFO(TextEditDocument), CLASSINFO(TextEditView));
96 #ifdef __WXMAC__
97 wxFileName::MacRegisterDefaultTypeAndCreator( "txt" , 'TEXT' , 'WXMA' ) ;
98 #endif
99 }
100
101 //// Create the main frame window
102 frame = new MyFrame(m_docManager, (wxFrame *) NULL, -1, _T("DocView Demo"), wxPoint(0, 0), wxSize(500, 400), wxDEFAULT_FRAME_STYLE);
103
104 //// Give it an icon (this is ignored in MDI mode: uses resources)
105 #ifdef __WXMSW__
106 frame->SetIcon(wxIcon(_T("doc_icn")));
107 #endif
108
109 //// Make a menubar
110 wxMenu *file_menu = new wxMenu;
111 wxMenu *edit_menu = (wxMenu *) NULL;
112
113 file_menu->Append(wxID_NEW, _T("&New..."));
114 file_menu->Append(wxID_OPEN, _T("&Open..."));
115
116 if (singleWindowMode)
117 {
118 file_menu->Append(wxID_CLOSE, _T("&Close"));
119 file_menu->Append(wxID_SAVE, _T("&Save"));
120 file_menu->Append(wxID_SAVEAS, _T("Save &As..."));
121 file_menu->AppendSeparator();
122 file_menu->Append(wxID_PRINT, _T("&Print..."));
123 file_menu->Append(wxID_PRINT_SETUP, _T("Print &Setup..."));
124 file_menu->Append(wxID_PREVIEW, _T("Print Pre&view"));
125
126 edit_menu = new wxMenu;
127 edit_menu->Append(wxID_UNDO, _T("&Undo"));
128 edit_menu->Append(wxID_REDO, _T("&Redo"));
129 edit_menu->AppendSeparator();
130 edit_menu->Append(DOCVIEW_CUT, _T("&Cut last segment"));
131
132 frame->editMenu = edit_menu;
133 }
134
135 file_menu->AppendSeparator();
136 file_menu->Append(wxID_EXIT, _T("E&xit"));
137
138 // A nice touch: a history of files visited. Use this menu.
139 m_docManager->FileHistoryUseMenu(file_menu);
140
141 wxMenu *help_menu = new wxMenu;
142 help_menu->Append(DOCVIEW_ABOUT, _T("&About"));
143
144 wxMenuBar *menu_bar = new wxMenuBar;
145
146 menu_bar->Append(file_menu, _T("&File"));
147 if (edit_menu)
148 menu_bar->Append(edit_menu, _T("&Edit"));
149 menu_bar->Append(help_menu, _T("&Help"));
150
151 if (singleWindowMode)
152 frame->canvas = frame->CreateCanvas((wxView *) NULL, frame);
153
154 //// Associate the menu bar with the frame
155 frame->SetMenuBar(menu_bar);
156
157 frame->Centre(wxBOTH);
158 frame->Show(TRUE);
159
160 SetTopWindow(frame);
161 return TRUE;
162 }
163
164 int MyApp::OnExit(void)
165 {
166 delete m_docManager;
167 return 0;
168 }
169
170 /*
171 * Centralised code for creating a document frame.
172 * Called from view.cpp, when a view is created, but not used at all
173 * in 'single window' mode.
174 */
175
176 wxFrame *MyApp::CreateChildFrame(wxDocument *doc, wxView *view, bool isCanvas)
177 {
178 //// Make a child frame
179 wxDocChildFrame *subframe = new wxDocChildFrame(doc, view, GetMainFrame(), -1, _T("Child Frame"),
180 wxPoint(10, 10), wxSize(300, 300), wxDEFAULT_FRAME_STYLE);
181
182 #ifdef __WXMSW__
183 subframe->SetIcon(wxString(isCanvas ? _T("chrt_icn") : _T("notepad_icn")));
184 #endif
185
186 //// Make a menubar
187 wxMenu *file_menu = new wxMenu;
188
189 file_menu->Append(wxID_NEW, _T("&New..."));
190 file_menu->Append(wxID_OPEN, _T("&Open..."));
191 file_menu->Append(wxID_CLOSE, _T("&Close"));
192 file_menu->Append(wxID_SAVE, _T("&Save"));
193 file_menu->Append(wxID_SAVEAS, _T("Save &As..."));
194
195 if (isCanvas)
196 {
197 file_menu->AppendSeparator();
198 file_menu->Append(wxID_PRINT, _T("&Print..."));
199 file_menu->Append(wxID_PRINT_SETUP, _T("Print &Setup..."));
200 file_menu->Append(wxID_PREVIEW, _T("Print Pre&view"));
201 }
202
203 wxMenu *edit_menu = (wxMenu *) NULL;
204
205 if (isCanvas)
206 {
207 edit_menu = new wxMenu;
208 edit_menu->Append(wxID_UNDO, _T("&Undo"));
209 edit_menu->Append(wxID_REDO, _T("&Redo"));
210 edit_menu->AppendSeparator();
211 edit_menu->Append(DOCVIEW_CUT, _T("&Cut last segment"));
212
213 doc->GetCommandProcessor()->SetEditMenu(edit_menu);
214 }
215
216 wxMenu *help_menu = new wxMenu;
217 help_menu->Append(DOCVIEW_ABOUT, _T("&About"));
218
219 wxMenuBar *menu_bar = new wxMenuBar;
220
221 menu_bar->Append(file_menu, _T("&File"));
222 if (isCanvas)
223 menu_bar->Append(edit_menu, _T("&Edit"));
224 menu_bar->Append(help_menu, _T("&Help"));
225
226 //// Associate the menu bar with the frame
227 subframe->SetMenuBar(menu_bar);
228
229 subframe->Centre(wxBOTH);
230
231 return subframe;
232 }
233
234 /*
235 * This is the top-level window of the application.
236 */
237
238 IMPLEMENT_CLASS(MyFrame, wxDocParentFrame)
239 BEGIN_EVENT_TABLE(MyFrame, wxDocParentFrame)
240 EVT_MENU(DOCVIEW_ABOUT, MyFrame::OnAbout)
241 END_EVENT_TABLE()
242
243 MyFrame::MyFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
244 const wxPoint& pos, const wxSize& size, const long type):
245 wxDocParentFrame(manager, frame, id, title, pos, size, type)
246 {
247 // This pointer only needed if in single window mode
248 canvas = (MyCanvas *) NULL;
249 editMenu = (wxMenu *) NULL;
250 }
251
252 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
253 {
254 (void)wxMessageBox(_T("DocView Demo\nAuthor: Julian Smart\nUsage: docview.exe [-single]"), _T("About DocView"));
255 }
256
257 // Creates a canvas. Called either from view.cc when a new drawing
258 // view is created, or in OnInit as a child of the main window,
259 // if in 'single window' mode.
260 MyCanvas *MyFrame::CreateCanvas(wxView *view, wxFrame *parent)
261 {
262 int width, height;
263 parent->GetClientSize(&width, &height);
264
265 // Non-retained canvas
266 MyCanvas *canvas = new MyCanvas(view, parent, wxPoint(0, 0), wxSize(width, height), 0);
267 canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
268
269 // Give it scrollbars
270 canvas->SetScrollbars(20, 20, 50, 50);
271 canvas->SetBackgroundColour(*wxWHITE);
272 canvas->ClearBackground();
273
274 return canvas;
275 }
276
277 MyFrame *GetMainFrame(void)
278 {
279 return frame;
280 }
281