/////////////////////////////////////////////////////////////////////////////
-// Name: app.cpp
-// Purpose:
+// Name: src/mgl/app.cpp
// Author: Vaclav Slavik
+// based on GTK and MSW implementations
// Id: $Id$
-// Copyright: (c) 2001 Vaclav Slavik
+// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
- #pragma implementation "app.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
#endif
#include "wx/app.h"
-#include "wx/settings.h"
-#include "wx/module.h"
-#include <mgraph.hpp>
+#ifndef WX_PRECOMP
+ #include "wx/settings.h"
+ #include "wx/frame.h"
+ #include "wx/dialog.h"
+ #include "wx/log.h"
+ #include "wx/intl.h"
+ #include "wx/module.h"
+#endif
+
+#include "wx/evtloop.h"
+#include "wx/fontutil.h"
+#include "wx/univ/theme.h"
+#include "wx/univ/renderer.h"
+#include "wx/univ/colschem.h"
+#include "wx/sysopt.h"
+#include "wx/mgl/private.h"
//-----------------------------------------------------------------------------
-// Global data
+// wxApp::Exit()
//-----------------------------------------------------------------------------
-// MGL's display DC:
-MGLDevCtx *g_displayDC = NULL;
+void wxApp::Exit()
+{
+ MGL_exit();
+ exit(0);
+}
-// ----
+//-----------------------------------------------------------------------------
+// wxYield
+//-----------------------------------------------------------------------------
-wxApp *wxTheApp = (wxApp *) NULL;
-wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
+static bool gs_inYield = false;
-// FIXME_MGL - whole file
+bool wxApp::Yield(bool onlyIfNeeded)
+{
+ if ( gs_inYield )
+ {
+ if ( !onlyIfNeeded )
+ {
+ wxFAIL_MSG( wxT("wxYield called recursively" ) );
+ }
+ return false;
+ }
-extern bool g_isIdle;
+#if wxUSE_THREADS
+ if ( !wxThread::IsMain() )
+ {
+ // can't process events from other threads, MGL is thread-unsafe
+ return true;
+ }
+#endif // wxUSE_THREADS
-bool g_mainThreadLocked = FALSE;
+ gs_inYield = true;
-void wxExit()
-{
- exit(0);
+ wxLog::Suspend();
+
+ if ( wxEventLoop::GetActive() )
+ {
+ while (wxEventLoop::GetActive()->Pending())
+ wxEventLoop::GetActive()->Dispatch();
+ }
+
+ /* it's necessary to call ProcessIdle() to update the frames sizes which
+ might have been changed (it also will update other things set from
+ OnUpdateUI() which is a nice (and desired) side effect) */
+ while (wxTheApp->ProcessIdle()) { }
+
+ wxLog::Resume();
+
+ gs_inYield = false;
+
+ return true;
}
+
//-----------------------------------------------------------------------------
-// wxYield
+// wxWakeUpIdle
//-----------------------------------------------------------------------------
-bool wxYield()
+void wxApp::WakeUpIdle()
{
- return TRUE;
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiEnter();
+#endif
+
+ while (wxTheApp->ProcessIdle())
+ ;
+
+#if wxUSE_THREADS
+ if (!wxThread::IsMain())
+ wxMutexGuiLeave();
+#endif
}
//-----------------------------------------------------------------------------
-// wxWakeUpIdle
+// Root window
//-----------------------------------------------------------------------------
-void wxWakeUpIdle()
+class wxRootWindow : public wxWindow
+{
+ public:
+ wxRootWindow() : wxWindow(NULL, wxID_ANY)
+ {
+ SetMGLwindow_t(MGL_wmGetRootWindow(g_winMng));
+ SetBackgroundColour(wxTHEME_COLOUR(DESKTOP));
+ }
+ virtual ~wxRootWindow()
+ {
+ // we don't want to delete MGL_WM's rootWnd
+ m_wnd = NULL;
+ }
+
+ virtual bool AcceptsFocus() const { return false; }
+
+ DECLARE_DYNAMIC_CLASS(wxRootWindow)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxRootWindow, wxWindow)
+
+static wxRootWindow *gs_rootWindow = NULL;
+
+//-----------------------------------------------------------------------------
+// MGL initialization
+//-----------------------------------------------------------------------------
+
+static bool wxCreateMGL_WM(const wxVideoMode& displayMode)
+{
+ int mode;
+ int refresh = MGL_DEFAULT_REFRESH;
+
+#if wxUSE_SYSTEM_OPTIONS
+ if ( wxSystemOptions::HasOption(wxT("mgl.screen-refresh")) )
+ refresh = wxSystemOptions::GetOptionInt(wxT("mgl.screen-refresh"));
+#endif
+
+ mode = MGL_findMode(displayMode.GetWidth(),
+ displayMode.GetHeight(),
+ displayMode.GetDepth());
+ if ( mode == -1 )
+ {
+ wxLogError(_("Mode %ix%i-%i not available."),
+ displayMode.GetWidth(),
+ displayMode.GetHeight(),
+ displayMode.GetDepth());
+ return false;
+ }
+ g_displayDC = new MGLDisplayDC(mode, 1, refresh);
+ if ( !g_displayDC->isValid() )
+ {
+ delete g_displayDC;
+ g_displayDC = NULL;
+ return false;
+ }
+
+ g_winMng = MGL_wmCreate(g_displayDC->getDC());
+ if (!g_winMng)
+ return false;
+
+ return true;
+}
+
+static void wxDestroyMGL_WM()
{
+ if ( g_winMng )
+ {
+ MGL_wmDestroy(g_winMng);
+ g_winMng = NULL;
+ }
+ if ( g_displayDC )
+ {
+ delete g_displayDC;
+ g_displayDC = NULL;
+ }
}
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
- EVT_IDLE(wxApp::OnIdle)
+ EVT_IDLE(wxAppBase::OnIdle)
END_EVENT_TABLE()
-int wxEntry( int argc, char *argv[] )
+wxApp::wxApp()
+{
+}
+
+wxApp::~wxApp()
{
- return 0;
}
+wxVideoMode wxGetDefaultDisplayMode()
+{
+ wxString mode;
+ unsigned w, h, bpp;
+
+ if ( !wxGetEnv(wxT("WXMODE"), &mode) ||
+ (wxSscanf(mode.c_str(), _T("%ux%u-%u"), &w, &h, &bpp) != 3) )
+ {
+ w = 640, h = 480, bpp = 16;
+ }
+
+ return wxVideoMode(w, h, bpp);
+}
+
+bool wxApp::SetDisplayMode(const wxVideoMode& mode)
+{
+ if ( !mode.IsOk() )
+ {
+ return false;
+ }
+ if ( g_displayDC != NULL )
+ {
+ // FIXME_MGL -- we currently don't allow to switch video mode
+ // more than once. This can hopefully be changed...
+ wxFAIL_MSG(wxT("Can't change display mode after intialization!"));
+ return false;
+ }
+
+ if ( !wxCreateMGL_WM(mode) )
+ return false;
+ gs_rootWindow = new wxRootWindow;
+
+ m_displayMode = mode;
+
+ return true;
+}
+
+bool wxApp::OnInitGui()
+{
+ if ( !wxAppBase::OnInitGui() )
+ return false;
+
+#ifdef __WXDEBUG__
+ // MGL redirects stdout and stderr to physical console, so lets redirect
+ // it to file in debug build. Do it only when WXSTDERR environment variable is set
+ wxString redirect;
+ if ( wxGetEnv(wxT("WXSTDERR"), &redirect) )
+ freopen(redirect.mb_str(), "wt", stderr);
+#endif // __WXDEBUG__
+
+ wxLog *oldLog = wxLog::SetActiveTarget(new wxLogGui);
+ if ( oldLog ) delete oldLog;
-// FIXME_MGL - this is temporary solution, will be removed
-// once I have wxApp up and running
-bool wxMGL_Initialize()
+ return true;
+}
+
+bool wxApp::Initialize(int& argc, wxChar **argv)
{
- wxBuffer = new wxChar[BUFSIZ + 512];
-
- wxClassInfo::InitializeClasses();
- wxSystemSettings::Init();
- wxTheColourDatabase = new wxColourDatabase( wxKEY_STRING );
- wxTheColourDatabase->Initialize();
- wxInitializeStockLists();
- wxInitializeStockObjects();
- wxModule::RegisterModules();
- if (!wxModule::InitializeModules()) return FALSE;
- return TRUE;
+#ifdef __DJGPP__
+ // VS: disable long filenames under DJGPP as the very first thing,
+ // since SciTech MGL doesn't like them much...
+ wxSetEnv(wxT("LFN"), wxT("N"));
+#endif
+
+ // intialize MGL before creating wxFontsManager since it uses MGL funcs
+ if ( MGL_init(".", NULL) == 0 )
+ {
+ wxLogError(_("Cannot initialize SciTech MGL!"));
+ return false;
+ }
+
+ // must do it before calling wxAppBase::Initialize(), because fonts are
+ // needed by stock lists which are created there
+ wxTheFontsManager = new wxFontsManager;
+
+ if ( !wxAppBase::Initialize(argc, argv) )
+ {
+ delete wxTheFontsManager;
+ wxTheFontsManager = NULL;
+ MGL_exit();
+ return false;
+ }
+
+#if wxUSE_INTL
+ wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif
+
+ return true;
}
+// Modules are cleaned up after wxApp::CleanUp(), and some modules may
+// require MGL to still be alive, e.g. the stock fonts need the fonts
+// manager. So append this module last minute in wxApp::CleanUp() to close
+// down MGL after all the other modules have been cleaned up.
+//
+struct wxMGLFinalCleanup: public wxModule
+{
+ bool OnInit() { return true; }
+
+ void OnExit()
+ {
+ delete wxTheFontsManager;
+ wxTheFontsManager = (wxFontsManager*) NULL;
+
+ wxDestroyMGL_WM();
+ MGL_exit();
+ }
+};
+
+void wxApp::CleanUp()
+{
+ delete gs_rootWindow;
+
+ wxAppBase::CleanUp();
+
+ wxModule::RegisterModule(new wxMGLFinalCleanup);
+}
projects / wxWidgets.git / blobdiff