wxWidgets/samples/docview/docview.cpp
2002-03-17 14:16:03 +00:00

271 lines
7.7 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 and Markus Holzem
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
// #pragma implementation "docview.h"
#endif
/*
* Purpose: Document/view architecture demo for wxWindows 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"
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)
{
//// 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, "Drawing", "*.drw", "", "drw", "Drawing Doc", "Drawing View",
CLASSINFO(DrawingDocument), CLASSINFO(DrawingView));
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, "Text", "*.txt", "", "txt", "Text Doc", "Text View",
CLASSINFO(TextEditDocument), CLASSINFO(TextEditView));
//// Create the main frame window
frame = new MyFrame(m_docManager, (wxFrame *) NULL, -1, "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("doc_icn"));
#endif
//// Make a menubar
wxMenu *file_menu = new wxMenu;
wxMenu *edit_menu = (wxMenu *) NULL;
file_menu->Append(wxID_NEW, "&New...");
file_menu->Append(wxID_OPEN, "&Open...");
if (singleWindowMode)
{
file_menu->Append(wxID_CLOSE, "&Close");
file_menu->Append(wxID_SAVE, "&Save");
file_menu->Append(wxID_SAVEAS, "Save &As...");
file_menu->AppendSeparator();
file_menu->Append(wxID_PRINT, "&Print...");
file_menu->Append(wxID_PRINT_SETUP, "Print &Setup...");
file_menu->Append(wxID_PREVIEW, "Print Pre&view");
edit_menu = new wxMenu;
edit_menu->Append(wxID_UNDO, "&Undo");
edit_menu->Append(wxID_REDO, "&Redo");
edit_menu->AppendSeparator();
edit_menu->Append(DOCVIEW_CUT, "&Cut last segment");
frame->editMenu = edit_menu;
}
file_menu->AppendSeparator();
file_menu->Append(wxID_EXIT, "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, "&About");
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, "&File");
if (edit_menu)
menu_bar->Append(edit_menu, "&Edit");
menu_bar->Append(help_menu, "&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(), -1, "Child Frame",
wxPoint(10, 10), wxSize(300, 300), wxDEFAULT_FRAME_STYLE);
#ifdef __WXMSW__
subframe->SetIcon(wxString(isCanvas ? "chrt_icn" : "notepad_icn"));
#endif
//// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(wxID_NEW, "&New...");
file_menu->Append(wxID_OPEN, "&Open...");
file_menu->Append(wxID_CLOSE, "&Close");
file_menu->Append(wxID_SAVE, "&Save");
file_menu->Append(wxID_SAVEAS, "Save &As...");
if (isCanvas)
{
file_menu->AppendSeparator();
file_menu->Append(wxID_PRINT, "&Print...");
file_menu->Append(wxID_PRINT_SETUP, "Print &Setup...");
file_menu->Append(wxID_PREVIEW, "Print Pre&view");
}
wxMenu *edit_menu = (wxMenu *) NULL;
if (isCanvas)
{
edit_menu = new wxMenu;
edit_menu->Append(wxID_UNDO, "&Undo");
edit_menu->Append(wxID_REDO, "&Redo");
edit_menu->AppendSeparator();
edit_menu->Append(DOCVIEW_CUT, "&Cut last segment");
doc->GetCommandProcessor()->SetEditMenu(edit_menu);
}
wxMenu *help_menu = new wxMenu;
help_menu->Append(DOCVIEW_ABOUT, "&About");
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, "&File");
if (isCanvas)
menu_bar->Append(edit_menu, "&Edit");
menu_bar->Append(help_menu, "&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("DocView Demo\nAuthor: Julian Smart julian.smart@ukonline.co.uk\nUsage: docview.exe [-single]", "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->Clear();
return canvas;
}
MyFrame *GetMainFrame(void)
{
return frame;
}