Committed William Osborne's wxPalmOS port

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29996 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/palmos/app.cpp

@@ -0,0 +1,313 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        app.cpp
+// Purpose:     wxApp
+// Author:      William Osborne
+// Modified by:
+// Created:     10/08/04
+// RCS-ID:      $Id: 
+// Copyright:   (c) William Osborne
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ===========================================================================
+// declarations
+// ===========================================================================
+
+// ---------------------------------------------------------------------------
+// headers
+// ---------------------------------------------------------------------------
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma implementation "app.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if defined(__BORLANDC__)
+    #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+    #include "wx/frame.h"
+    #include "wx/app.h"
+    #include "wx/utils.h"
+    #include "wx/gdicmn.h"
+    #include "wx/pen.h"
+    #include "wx/brush.h"
+    #include "wx/cursor.h"
+    #include "wx/icon.h"
+    #include "wx/palette.h"
+    #include "wx/dc.h"
+    #include "wx/dialog.h"
+    #include "wx/msgdlg.h"
+    #include "wx/intl.h"
+    #include "wx/dynarray.h"
+    #include "wx/wxchar.h"
+    #include "wx/icon.h"
+    #include "wx/log.h"
+#endif
+
+#include "wx/apptrait.h"
+#include "wx/filename.h"
+#include "wx/module.h"
+#include "wx/dynlib.h"
+
+#if wxUSE_TOOLTIPS
+    #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
+
+// We don't support OLE
+#undef wxUSE_OLE
+#define  wxUSE_OLE 0
+
+#include <string.h>
+#include <ctype.h>
+
+// ---------------------------------------------------------------------------
+// global variables
+// ---------------------------------------------------------------------------
+
+extern wxList WXDLLEXPORT wxPendingDelete;
+
+// NB: all "NoRedraw" classes must have the same names as the "normal" classes
+//     with NR suffix - wxWindow::MSWCreate() supposes this
+const wxChar *wxCanvasClassName        = wxT("wxWindowClass");
+const wxChar *wxCanvasClassNameNR      = wxT("wxWindowClassNR");
+const wxChar *wxMDIFrameClassName      = wxT("wxMDIFrameClass");
+const wxChar *wxMDIFrameClassNameNoRedraw = wxT("wxMDIFrameClassNR");
+const wxChar *wxMDIChildFrameClassName = wxT("wxMDIChildFrameClass");
+const wxChar *wxMDIChildFrameClassNameNoRedraw = wxT("wxMDIChildFrameClassNR");
+
+// ----------------------------------------------------------------------------
+// private functions
+// ----------------------------------------------------------------------------
+
+// ===========================================================================
+// wxGUIAppTraits implementation
+// ===========================================================================
+
+// private class which we use to pass parameters from BeforeChildWaitLoop() to
+// AfterChildWaitLoop()
+struct ChildWaitLoopData
+{
+    ChildWaitLoopData(wxWindowDisabler *wd_, wxWindow *winActive_)
+    {
+        wd = wd_;
+        winActive = winActive_;
+    }
+
+    wxWindowDisabler *wd;
+    wxWindow *winActive;
+};
+
+void *wxGUIAppTraits::BeforeChildWaitLoop()
+{
+    return NULL;
+}
+
+void wxGUIAppTraits::AlwaysYield()
+{
+    wxYield();
+}
+
+void wxGUIAppTraits::AfterChildWaitLoop(void *dataOrig)
+{
+}
+
+bool wxGUIAppTraits::DoMessageFromThreadWait()
+{
+    return false;
+}
+
+wxToolkitInfo& wxGUIAppTraits::GetToolkitInfo()
+{
+    static wxToolkitInfo info;
+    wxToolkitInfo& baseInfo = wxAppTraits::GetToolkitInfo();
+    info.versionMajor = baseInfo.versionMajor;
+    info.versionMinor = baseInfo.versionMinor;
+    info.os = baseInfo.os;
+    info.shortName = _T("msw");
+    info.name = _T("wxMSW");
+#ifdef __WXUNIVERSAL__
+    info.shortName << _T("univ");
+    info.name << _T("/wxUniversal");
+#endif
+    return info;
+}
+
+// ===========================================================================
+// wxApp implementation
+// ===========================================================================
+
+int wxApp::m_nCmdShow = 0;
+
+// ---------------------------------------------------------------------------
+// wxWin macros
+// ---------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+    EVT_IDLE(wxApp::OnIdle)
+    EVT_END_SESSION(wxApp::OnEndSession)
+    EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
+END_EVENT_TABLE()
+
+// class to ensure that wxAppBase::CleanUp() is called if our Initialize()
+// fails
+class wxCallBaseCleanup
+{
+public:
+    wxCallBaseCleanup(wxApp *app) : m_app(app) { }
+    ~wxCallBaseCleanup() { if ( m_app ) m_app->wxAppBase::CleanUp(); }
+
+    void Dismiss() { m_app = NULL; }
+
+private:
+    wxApp *m_app;
+};
+
+//// Initialize
+bool wxApp::Initialize(int& argc, wxChar **argv)
+{
+    if ( !wxAppBase::Initialize(argc, argv) )
+        return false;
+
+    // ensure that base cleanup is done if we return too early
+    wxCallBaseCleanup callBaseCleanup(this);
+
+    wxWinHandleHash = new wxWinHashTable(wxKEY_INTEGER, 100);
+
+    callBaseCleanup.Dismiss();
+
+    return true;
+}
+
+// ---------------------------------------------------------------------------
+// RegisterWindowClasses
+// ---------------------------------------------------------------------------
+
+// TODO we should only register classes really used by the app. For this it
+//      would be enough to just delay the class registration until an attempt
+//      to create a window of this class is made.
+bool wxApp::RegisterWindowClasses()
+{
+    return TRUE;
+}
+
+// ---------------------------------------------------------------------------
+// UnregisterWindowClasses
+// ---------------------------------------------------------------------------
+
+bool wxApp::UnregisterWindowClasses()
+{
+    bool retval = TRUE;
+    return retval;
+}
+
+void wxApp::CleanUp()
+{
+    // all objects pending for deletion must be deleted first, otherwise we
+    // would crash when they use wxWinHandleHash (and UnregisterWindowClasses()
+    // call wouldn't succeed as long as any windows still exist), so call the
+    // base class method first and only then do our clean up
+    wxAppBase::CleanUp();
+
+    // for an EXE the classes are unregistered when it terminates but DLL may
+    // be loaded several times (load/unload/load) into the same process in
+    // which case the registration will fail after the first time if we don't
+    // unregister the classes now
+    UnregisterWindowClasses();
+
+    delete wxWinHandleHash;
+    wxWinHandleHash = NULL;
+}
+
+// ----------------------------------------------------------------------------
+// wxApp ctor/dtor
+// ----------------------------------------------------------------------------
+
+wxApp::wxApp()
+{
+    m_printMode = wxPRINT_WINDOWS;
+}
+
+wxApp::~wxApp()
+{
+    // our cmd line arguments are allocated inside wxEntry(HINSTANCE), they
+    // don't come from main(), so we have to free them
+
+    while ( argc )
+    {
+        // m_argv elements were allocated by wxStrdup()
+        free(argv[--argc]);
+    }
+
+    // but m_argv itself -- using new[]
+    delete [] argv;
+}
+
+// ----------------------------------------------------------------------------
+// wxApp idle handling
+// ----------------------------------------------------------------------------
+
+void wxApp::OnIdle(wxIdleEvent& event)
+{
+    wxAppBase::OnIdle(event);
+}
+
+void wxApp::WakeUpIdle()
+{
+}
+
+// ----------------------------------------------------------------------------
+// other wxApp event hanlders
+// ----------------------------------------------------------------------------
+
+void wxApp::OnEndSession(wxCloseEvent& WXUNUSED(event))
+{
+    if (GetTopWindow())
+        GetTopWindow()->Close(TRUE);
+}
+
+// Default behaviour: close the application with prompts. The
+// user can veto the close, and therefore the end session.
+void wxApp::OnQueryEndSession(wxCloseEvent& event)
+{
+    if (GetTopWindow())
+    {
+        if (!GetTopWindow()->Close(!event.CanVeto()))
+            event.Veto(TRUE);
+    }
+}
+
+// ----------------------------------------------------------------------------
+// miscellaneous
+// ----------------------------------------------------------------------------
+
+/* static */
+int wxApp::GetComCtl32Version()
+{
+    return 0;
+}
+
+// Yield to incoming messages
+
+bool wxApp::Yield(bool onlyIfNeeded)
+{
+    return true;
+}
+
+#if wxUSE_EXCEPTIONS
+
+// ----------------------------------------------------------------------------
+// exception handling
+// ----------------------------------------------------------------------------
+
+bool wxApp::OnExceptionInMainLoop()
+{
+    return true;
+}
+
+#endif // wxUSE_EXCEPTIONS