Added emulator utility.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14538 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
345
utils/emulator/src/emulator.cpp
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345
utils/emulator/src/emulator.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: emulator.cpp
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// Purpose: Emulator wxWindows sample
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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#ifdef __GNUG__
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#pragma implementation "emulator.h"
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#endif
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWindows headers)
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "emulator.h"
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#ifdef __WXX11__
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#include "wx/x11/reparent.h"
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#endif
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// ----------------------------------------------------------------------------
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// resources
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// ----------------------------------------------------------------------------
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// the application icon (under Windows and OS/2 it is in resources)
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#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) || defined(__WXX11__)
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#include "mondrian.xpm"
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#endif
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// ----------------------------------------------------------------------------
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// event tables and other macros for wxWindows
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// ----------------------------------------------------------------------------
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// the event tables connect the wxWindows events with the functions (event
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// handlers) which process them. It can be also done at run-time, but for the
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// simple menu events like this the static method is much simpler.
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BEGIN_EVENT_TABLE(wxEmulatorFrame, wxFrame)
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EVT_MENU(Emulator_Quit, wxEmulatorFrame::OnQuit)
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EVT_MENU(Emulator_About, wxEmulatorFrame::OnAbout)
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END_EVENT_TABLE()
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// Create a new application object: this macro will allow wxWindows to create
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// the application object during program execution (it's better than using a
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// static object for many reasons) and also declares the accessor function
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// wxGetApp() which will return the reference of the right type (i.e. wxEmulatorApp and
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// not wxApp)
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IMPLEMENT_APP(wxEmulatorApp)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// the application class
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// ----------------------------------------------------------------------------
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wxEmulatorApp::wxEmulatorApp()
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{
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m_xnestWindow = NULL;
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m_containerWindow = NULL;
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}
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// 'Main program' equivalent: the program execution "starts" here
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bool wxEmulatorApp::OnInit()
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{
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wxInitAllImageHandlers();
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// create the main application window
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wxEmulatorFrame *frame = new wxEmulatorFrame(_T("wxEmulator"),
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wxPoint(50, 50), wxSize(450, 340));
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m_containerWindow = new wxEmulatorContainer(frame, -1);
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// Load the emulation info
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if (!LoadEmulator())
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{
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frame->Destroy();
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wxMessageBox(wxT("Sorry, could not load this emulator. Please check bitmaps are valid."));
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return FALSE;
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}
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if (m_emulatorInfo.m_emulatorBackgroundBitmap.Ok())
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frame->SetClientSize(m_emulatorInfo.m_emulatorBackgroundBitmap.GetWidth(),
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m_emulatorInfo.m_emulatorBackgroundBitmap.GetHeight());
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// and show it (the frames, unlike simple controls, are not shown when
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// created initially)
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frame->Show(TRUE);
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#ifdef __WXX11__
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m_xnestWindow = new wxAdoptedWindow;
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wxString cmd;
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cmd.Printf(wxT("Xnest :100 -geometry %dx%d+50+50"),
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(int) m_emulatorScreenSize.x, (int) m_emulatorScreenSize.y);
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// Asynchronously executes Xnest
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if (0 == wxExecute(cmd))
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{
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frame->Destroy();
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wxMessageBox(wxT("Sorry, could not run Xnest. Please check your PATH."));
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return FALSE;
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}
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wxReparenter reparenter;
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if (!reparenter.WaitAndReparent(m_containerWindow, m_xnestWindow, wxT("Xnest")))
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{
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wxMessageBox(wxT("Sorry, could not reparent Xnest.."));
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frame->Destroy();
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return FALSE;
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}
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#endif
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// success: wxApp::OnRun() will be called which will enter the main message
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// loop and the application will run. If we returned FALSE here, the
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// application would exit immediately.
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return TRUE;
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}
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// Load the specified emulator.
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// For now, hard-wired. TODO: make this configurable
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bool wxEmulatorApp::LoadEmulator()
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{
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m_emulatorInfo.m_emulatorTitle = wxT("iPAQ Emulator");
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m_emulatorInfo.m_emulatorDescription = wxT("No description yet");
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// The offset from the top-left of the main emulator
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// bitmap and the virtual screen (where Xnest is
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// positioned)
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m_emulatorInfo.m_emulatorScreenPosition = wxPoint(45, 57);
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// The emulated screen size
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m_emulatorInfo.m_emulatorScreenSize = wxSize(240, 320);
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m_emulatorInfo.m_emulatorBackgroundBitmapName = wxT("ipaq01.jpg");
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m_emulatorInfo.m_emulatorBackgroundColour = * wxBLACK;
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return m_emulatorInfo.Load();
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}
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// ----------------------------------------------------------------------------
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// main frame
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// ----------------------------------------------------------------------------
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// frame constructor
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wxEmulatorFrame::wxEmulatorFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
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: wxFrame(NULL, -1, title, pos, size)
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{
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// set the frame icon
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SetIcon(wxICON(mondrian));
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#if wxUSE_MENUS
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// create a menu bar
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wxMenu *menuFile = new wxMenu;
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// the "About" item should be in the help menu
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wxMenu *helpMenu = new wxMenu;
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helpMenu->Append(Emulator_About, _T("&About...\tF1"), _T("Show about dialog"));
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menuFile->Append(Emulator_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
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// now append the freshly created menu to the menu bar...
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wxMenuBar *menuBar = new wxMenuBar();
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menuBar->Append(menuFile, _T("&File"));
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menuBar->Append(helpMenu, _T("&Help"));
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// ... and attach this menu bar to the frame
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SetMenuBar(menuBar);
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#endif // wxUSE_MENUS
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#if wxUSE_STATUSBAR
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// create a status bar just for fun (by default with 1 pane only)
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CreateStatusBar(2);
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SetStatusText(_T("Welcome to wxWindows!"));
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#endif // wxUSE_STATUSBAR
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}
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// event handlers
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void wxEmulatorFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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// TRUE is to force the frame to close
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Close(TRUE);
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}
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void wxEmulatorFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
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{
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wxString msg;
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msg.Printf( _T("wxEmulator is an environment for testing embedded X11 apps.\n"));
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wxMessageBox(msg, _T("About wxEmulator"), wxOK | wxICON_INFORMATION, this);
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}
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IMPLEMENT_CLASS(wxEmulatorContainer, wxWindow)
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BEGIN_EVENT_TABLE(wxEmulatorContainer, wxWindow)
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EVT_SIZE(wxEmulatorContainer::OnSize)
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EVT_PAINT(wxEmulatorContainer::OnPaint)
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EVT_ERASE_BACKGROUND(wxEmulatorContainer::OnEraseBackground)
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END_EVENT_TABLE()
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wxEmulatorContainer::wxEmulatorContainer(wxWindow* parent, wxWindowID id):
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wxWindow(parent, id, wxDefaultPosition, wxDefaultSize)
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{
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}
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void wxEmulatorContainer::OnSize(wxSizeEvent& event)
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{
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wxSize sz = GetClientSize();
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if (wxGetApp().m_emulatorInfo.m_emulatorBackgroundBitmap.Ok() &&
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wxGetApp().m_xnestWindow)
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{
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int bitmapWidth = wxGetApp().m_emulatorInfo.m_emulatorBackgroundBitmap.GetWidth();
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int bitmapHeight = wxGetApp().m_emulatorInfo.m_emulatorBackgroundBitmap.GetHeight();
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int x = wxMax(0, (sz.x - bitmapWidth)/2.0);
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int y = wxMax(0, (sz.y - bitmapHeight)/2.0);
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x += wxGetApp().m_emulatorInfo.m_emulatorScreenPosition.x;
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y += wxGetApp().m_emulatorInfo.m_emulatorScreenPosition.y;
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wxGetApp().m_xnestWindow->Move(x, y);
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}
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Refresh();
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}
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void wxEmulatorContainer::OnPaint(wxPaintEvent& event)
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{
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wxPaintDC dc(this);
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wxSize sz = GetClientSize();
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if (wxGetApp().m_emulatorInfo.m_emulatorBackgroundBitmap.Ok())
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{
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int bitmapWidth = wxGetApp().m_emulatorInfo.m_emulatorBackgroundBitmap.GetWidth();
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int bitmapHeight = wxGetApp().m_emulatorInfo.m_emulatorBackgroundBitmap.GetHeight();
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int x = wxMax(0, (sz.x - bitmapWidth)/2.0);
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int y = wxMax(0, (sz.y - bitmapHeight)/2.0);
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dc.DrawBitmap(wxGetApp().m_emulatorInfo.m_emulatorBackgroundBitmap, x, y);
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}
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}
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void wxEmulatorContainer::OnEraseBackground(wxEraseEvent& event)
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{
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wxDC* dc = NULL;
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if (event.GetDC())
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{
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dc = event.GetDC();
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}
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else
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{
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dc = new wxClientDC(this);
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}
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dc->SetBackground(wxBrush(wxGetApp().m_emulatorInfo.m_emulatorBackgroundColour, wxSOLID));
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dc->Clear();
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if (!event.GetDC())
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delete dc;
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}
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// Information about the emulator decorations
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void wxEmulatorInfo::Copy(const wxEmulatorInfo& info)
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{
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m_emulatorTitle = info.m_emulatorTitle;
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m_emulatorDescription = info.m_emulatorDescription;
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m_emulatorScreenPosition = info.m_emulatorScreenPosition;
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m_emulatorScreenSize = info.m_emulatorScreenSize;
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m_emulatorBackgroundBitmap = info.m_emulatorBackgroundBitmap;
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m_emulatorBackgroundBitmapName = info.m_emulatorBackgroundBitmapName;
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m_emulatorBackgroundColour = info.m_emulatorBackgroundColour;
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}
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// Initialisation
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void wxEmulatorInfo::Init()
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{
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}
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// Loads bitmaps
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bool wxEmulatorInfo::Load()
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{
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if (m_emulatorBackgroundBitmapName.IsEmpty())
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return FALSE;
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// TODO: prepend current directory if relative name
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int type = wxDetermineImageType(m_emulatorBackgroundBitmapName);
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if (type == -1)
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return FALSE;
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return m_emulatorBackgroundBitmap.LoadFile(m_emulatorBackgroundBitmapName, type);
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}
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// Returns the image type, or -1, determined from the extension.
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int wxDetermineImageType(const wxString& filename)
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{
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wxString path, name, ext;
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wxSplitPath(filename, & path, & name, & ext);
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ext.MakeLower();
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if (ext == "jpg" || ext == "jpeg")
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return wxBITMAP_TYPE_JPEG;
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else if (ext == "gif")
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return wxBITMAP_TYPE_GIF;
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else if (ext == "bmp")
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return wxBITMAP_TYPE_BMP;
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else if (ext == "png")
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return wxBITMAP_TYPE_PNG;
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else if (ext == "pcx")
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return wxBITMAP_TYPE_PCX;
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else if (ext == "tif" || ext == "tiff")
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return wxBITMAP_TYPE_TIF;
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else
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return -1;
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}
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