wxWidgets/samples/docview/docview.cpp

281 lines
8.1 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: docview.cpp
// Purpose: Document/view demo
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
/*
* Purpose: Document/view architecture demo for wxWidgets class library
* Run with no arguments for multiple top-level windows, -single
* for a single window.
*/
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#if !wxUSE_DOC_VIEW_ARCHITECTURE
#error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in setup.h!
#endif
#include "wx/docview.h"
#include "docview.h"
#include "doc.h"
#include "view.h"
#ifdef __WXMAC__
#include "wx/filename.h"
#endif
MyFrame *frame = (MyFrame *) NULL;
// In single window mode, don't have any child windows; use
// main window.
bool singleWindowMode = false;
IMPLEMENT_APP(MyApp)
MyApp::MyApp(void)
{
m_docManager = (wxDocManager *) NULL;
}
bool MyApp::OnInit(void)
{
if ( !wxApp::OnInit() )
return false;
//// Find out if we're:
//// multiple window: multiple windows, each view in a separate frame
//// single window: one view (within the main frame) and one document at a time, as in Windows Write.
//// In single window mode, we only allow one document type
if (argc > 1)
{
if (wxStrcmp(argv[1], _T("-single")) == 0)
{
singleWindowMode = true;
}
}
//// Create a document manager
m_docManager = new wxDocManager;
//// Create a template relating drawing documents to their views
(void) new wxDocTemplate(m_docManager, _T("Drawing"), _T("*.drw"), _T(""), _T("drw"), _T("Drawing Doc"), _T("Drawing View"),
CLASSINFO(DrawingDocument), CLASSINFO(DrawingView));
#ifdef __WXMAC__
wxFileName::MacRegisterDefaultTypeAndCreator( wxT("drw") , 'WXMB' , 'WXMA' ) ;
#endif
if (singleWindowMode)
{
// If we've only got one window, we only get to edit
// one document at a time. Therefore no text editing, just
// doodling.
m_docManager->SetMaxDocsOpen(1);
}
else
{
//// Create a template relating text documents to their views
(void) new wxDocTemplate(m_docManager, _T("Text"), _T("*.txt;*.text"), _T(""), _T("txt;text"), _T("Text Doc"), _T("Text View"),
CLASSINFO(TextEditDocument), CLASSINFO(TextEditView));
#ifdef __WXMAC__
wxFileName::MacRegisterDefaultTypeAndCreator( wxT("txt") , 'TEXT' , 'WXMA' ) ;
#endif
}
//// Create the main frame window
frame = new MyFrame(m_docManager, (wxFrame *) NULL, wxID_ANY, _T("DocView Demo"), wxPoint(0, 0), wxSize(500, 400), wxDEFAULT_FRAME_STYLE);
//// Give it an icon (this is ignored in MDI mode: uses resources)
#ifdef __WXMSW__
frame->SetIcon(wxIcon(_T("doc_icn")));
#endif
//// Make a menubar
wxMenu *file_menu = new wxMenu;
wxMenu *edit_menu = (wxMenu *) NULL;
file_menu->Append(wxID_NEW, _T("&New..."));
file_menu->Append(wxID_OPEN, _T("&Open..."));
if (singleWindowMode)
{
file_menu->Append(wxID_CLOSE, _T("&Close"));
file_menu->Append(wxID_SAVE, _T("&Save"));
file_menu->Append(wxID_SAVEAS, _T("Save &As..."));
file_menu->AppendSeparator();
file_menu->Append(wxID_PRINT, _T("&Print..."));
file_menu->Append(wxID_PRINT_SETUP, _T("Print &Setup..."));
file_menu->Append(wxID_PREVIEW, _T("Print Pre&view"));
edit_menu = new wxMenu;
edit_menu->Append(wxID_UNDO, _T("&Undo"));
edit_menu->Append(wxID_REDO, _T("&Redo"));
edit_menu->AppendSeparator();
edit_menu->Append(DOCVIEW_CUT, _T("&Cut last segment"));
frame->editMenu = edit_menu;
}
file_menu->AppendSeparator();
file_menu->Append(wxID_EXIT, _T("E&xit"));
// A nice touch: a history of files visited. Use this menu.
m_docManager->FileHistoryUseMenu(file_menu);
wxMenu *help_menu = new wxMenu;
help_menu->Append(DOCVIEW_ABOUT, _T("&About"));
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, _T("&File"));
if (edit_menu)
menu_bar->Append(edit_menu, _T("&Edit"));
menu_bar->Append(help_menu, _T("&Help"));
if (singleWindowMode)
frame->canvas = frame->CreateCanvas((wxView *) NULL, frame);
//// Associate the menu bar with the frame
frame->SetMenuBar(menu_bar);
frame->Centre(wxBOTH);
frame->Show(true);
SetTopWindow(frame);
return true;
}
int MyApp::OnExit(void)
{
delete m_docManager;
return 0;
}
/*
* Centralised code for creating a document frame.
* Called from view.cpp, when a view is created, but not used at all
* in 'single window' mode.
*/
wxFrame *MyApp::CreateChildFrame(wxDocument *doc, wxView *view, bool isCanvas)
{
//// Make a child frame
wxDocChildFrame *subframe = new wxDocChildFrame(doc, view, GetMainFrame(), wxID_ANY, _T("Child Frame"),
wxPoint(10, 10), wxSize(300, 300), wxDEFAULT_FRAME_STYLE);
#ifdef __WXMSW__
subframe->SetIcon(wxString(isCanvas ? _T("chrt_icn") : _T("notepad_icn")));
#endif
//// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(wxID_NEW, _T("&New..."));
file_menu->Append(wxID_OPEN, _T("&Open..."));
file_menu->Append(wxID_CLOSE, _T("&Close"));
file_menu->Append(wxID_SAVE, _T("&Save"));
file_menu->Append(wxID_SAVEAS, _T("Save &As..."));
if (isCanvas)
{
file_menu->AppendSeparator();
file_menu->Append(wxID_PRINT, _T("&Print..."));
file_menu->Append(wxID_PRINT_SETUP, _T("Print &Setup..."));
file_menu->Append(wxID_PREVIEW, _T("Print Pre&view"));
}
wxMenu *edit_menu = (wxMenu *) NULL;
if (isCanvas)
{
edit_menu = new wxMenu;
edit_menu->Append(wxID_UNDO, _T("&Undo"));
edit_menu->Append(wxID_REDO, _T("&Redo"));
edit_menu->AppendSeparator();
edit_menu->Append(DOCVIEW_CUT, _T("&Cut last segment"));
doc->GetCommandProcessor()->SetEditMenu(edit_menu);
}
wxMenu *help_menu = new wxMenu;
help_menu->Append(DOCVIEW_ABOUT, _T("&About"));
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, _T("&File"));
if (isCanvas)
menu_bar->Append(edit_menu, _T("&Edit"));
menu_bar->Append(help_menu, _T("&Help"));
//// Associate the menu bar with the frame
subframe->SetMenuBar(menu_bar);
subframe->Centre(wxBOTH);
return subframe;
}
/*
* This is the top-level window of the application.
*/
IMPLEMENT_CLASS(MyFrame, wxDocParentFrame)
BEGIN_EVENT_TABLE(MyFrame, wxDocParentFrame)
EVT_MENU(DOCVIEW_ABOUT, MyFrame::OnAbout)
END_EVENT_TABLE()
MyFrame::MyFrame(wxDocManager *manager, wxFrame *frame, wxWindowID id, const wxString& title,
const wxPoint& pos, const wxSize& size, const long type):
wxDocParentFrame(manager, frame, id, title, pos, size, type)
{
// This pointer only needed if in single window mode
canvas = (MyCanvas *) NULL;
editMenu = (wxMenu *) NULL;
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
{
(void)wxMessageBox(_T("DocView Demo\nAuthor: Julian Smart\nUsage: docview.exe [-single]"), _T("About DocView"));
}
// Creates a canvas. Called either from view.cc when a new drawing
// view is created, or in OnInit as a child of the main window,
// if in 'single window' mode.
MyCanvas *MyFrame::CreateCanvas(wxView *view, wxFrame *parent)
{
int width, height;
parent->GetClientSize(&width, &height);
// Non-retained canvas
MyCanvas *canvas = new MyCanvas(view, parent, wxPoint(0, 0), wxSize(width, height), 0);
canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
// Give it scrollbars
canvas->SetScrollbars(20, 20, 50, 50);
canvas->SetBackgroundColour(*wxWHITE);
canvas->ClearBackground();
return canvas;
}
MyFrame *GetMainFrame(void)
{
return frame;
}