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