cache the item text size to optimize tree layout/painting (#9956)

[wxWidgets.git] / src / mgl / app.cpp

diff --git a/src/mgl/app.cpp b/src/mgl/app.cpp
index 2e85732f90a20108672462b4b5fa928469c6f5cc..c0338c7834953a78b9fff7b64fb4d0dc8280ba0b 100644 (file)
--- a/src/mgl/app.cpp
+++ b/src/mgl/app.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        app.cpp
+// Name:        src/mgl/app.cpp

 // Author:      Vaclav Slavik
 //              based on GTK and MSW implementations
 // Id:          $Id$
 // Author:      Vaclav Slavik
 //              based on GTK and MSW implementations
 // Id:          $Id$


@@ -7,10 +7,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-    #pragma implementation "app.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -18,24 +14,25 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#include "wx/app.h"

 
 #ifndef WX_PRECOMP
     #include "wx/settings.h"
 
 #ifndef WX_PRECOMP
     #include "wx/settings.h"

-    #include "wx/module.h"
-    #include "wx/evtloop.h"

     #include "wx/frame.h"
     #include "wx/dialog.h"
     #include "wx/log.h"
     #include "wx/intl.h"
     #include "wx/frame.h"
     #include "wx/dialog.h"
     #include "wx/log.h"
     #include "wx/intl.h"

+    #include "wx/module.h"

 #endif
 
 #endif
 

-#include "wx/app.h"
+#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"
 #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"

+#include "wx/private/fontmgr.h"

 
 //-----------------------------------------------------------------------------
 // wxApp::Exit()
 
 //-----------------------------------------------------------------------------
 // wxApp::Exit()


@@ -51,7 +48,7 @@ void wxApp::Exit()
 // wxYield
 //-----------------------------------------------------------------------------
 
 // wxYield
 //-----------------------------------------------------------------------------
 

-static bool gs_inYield = FALSE;
+static bool gs_inYield = false;

 
 bool wxApp::Yield(bool onlyIfNeeded)
 {
 
 bool wxApp::Yield(bool onlyIfNeeded)
 {


@@ -62,25 +59,26 @@ bool wxApp::Yield(bool onlyIfNeeded)
             wxFAIL_MSG( wxT("wxYield called recursively" ) );
         }
 
             wxFAIL_MSG( wxT("wxYield called recursively" ) );
         }
 

-        return FALSE;
+        return false;

     }
 
 #if wxUSE_THREADS
     if ( !wxThread::IsMain() )
     {
         // can't process events from other threads, MGL is thread-unsafe
     }
 
 #if wxUSE_THREADS
     if ( !wxThread::IsMain() )
     {
         // can't process events from other threads, MGL is thread-unsafe

-        return TRUE;
+        return true;

     }
 #endif // wxUSE_THREADS
 
     }
 #endif // wxUSE_THREADS
 

-    gs_inYield = TRUE;
+    gs_inYield = true;

 
     wxLog::Suspend();
 
 
     wxLog::Suspend();
 

-    if ( wxEventLoop::GetActive() )
+    wxEventLoopBase * const eventLoop = wxEventLoop::GetActive();
+    if ( eventLoop )

     {
     {

-        while (wxEventLoop::GetActive()->Pending())
-            wxEventLoop::GetActive()->Dispatch();
+        while (eventLoop->Pending())
+            eventLoop->Dispatch();

     }
 
     /* it's necessary to call ProcessIdle() to update the frames sizes which
     }
 
     /* it's necessary to call ProcessIdle() to update the frames sizes which


@@ -90,9 +88,9 @@ bool wxApp::Yield(bool onlyIfNeeded)
 
     wxLog::Resume();
 
 
     wxLog::Resume();
 

-    gs_inYield = FALSE;
+    gs_inYield = false;

 
 

-    return TRUE;
+    return true;

 }
 
 
 }
 
 


@@ -123,18 +121,18 @@ void wxApp::WakeUpIdle()
 class wxRootWindow : public wxWindow
 {
     public:
 class wxRootWindow : public wxWindow
 {
     public:

-        wxRootWindow() : wxWindow(NULL, -1)
+        wxRootWindow() : wxWindow(NULL, wxID_ANY)

         {
             SetMGLwindow_t(MGL_wmGetRootWindow(g_winMng));
             SetBackgroundColour(wxTHEME_COLOUR(DESKTOP));
         }
         {
             SetMGLwindow_t(MGL_wmGetRootWindow(g_winMng));
             SetBackgroundColour(wxTHEME_COLOUR(DESKTOP));
         }

-        ~wxRootWindow()
+        virtual ~wxRootWindow()

         {
             // we don't want to delete MGL_WM's rootWnd
             m_wnd = NULL;
         }
 
         {
             // we don't want to delete MGL_WM's rootWnd
             m_wnd = NULL;
         }
 

-        virtual bool AcceptsFocus() const { return FALSE; }
+        virtual bool AcceptsFocus() const { return false; }

 
         DECLARE_DYNAMIC_CLASS(wxRootWindow)
 };
 
         DECLARE_DYNAMIC_CLASS(wxRootWindow)
 };


@@ -147,7 +145,7 @@ static wxRootWindow *gs_rootWindow = NULL;
 // MGL initialization
 //-----------------------------------------------------------------------------
 
 // MGL initialization
 //-----------------------------------------------------------------------------
 

-static bool wxCreateMGL_WM(const wxDisplayModeInfo& displayMode)
+static bool wxCreateMGL_WM(const wxVideoMode& displayMode)

 {
     int mode;
     int refresh = MGL_DEFAULT_REFRESH;
 {
     int mode;
     int refresh = MGL_DEFAULT_REFRESH;


@@ -166,21 +164,21 @@ static bool wxCreateMGL_WM(const wxDisplayModeInfo& displayMode)
                      displayMode.GetWidth(),
                      displayMode.GetHeight(),
                      displayMode.GetDepth());
                      displayMode.GetWidth(),
                      displayMode.GetHeight(),
                      displayMode.GetDepth());

-        return FALSE;
+        return false;

     }
     g_displayDC = new MGLDisplayDC(mode, 1, refresh);
     if ( !g_displayDC->isValid() )
     {
         delete g_displayDC;
         g_displayDC = NULL;
     }
     g_displayDC = new MGLDisplayDC(mode, 1, refresh);
     if ( !g_displayDC->isValid() )
     {
         delete g_displayDC;
         g_displayDC = NULL;

-        return FALSE;
+        return false;

     }
 
     g_winMng = MGL_wmCreate(g_displayDC->getDC());
     if (!g_winMng)
     }
 
     g_winMng = MGL_wmCreate(g_displayDC->getDC());
     if (!g_winMng)

-        return FALSE;
+        return false;

 
 

-    return TRUE;
+    return true;

 }
 
 static void wxDestroyMGL_WM()
 }
 
 static void wxDestroyMGL_WM()


@@ -203,12 +201,7 @@ static void wxDestroyMGL_WM()
 
 IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
 

-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
-    EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
-
-
-wxApp::wxApp() : m_mainLoop(NULL)
+wxApp::wxApp()

 {
 }
 
 {
 }
 


@@ -216,7 +209,7 @@ wxApp::~wxApp()
 {
 }
 
 {
 }
 

-wxDisplayModeInfo wxGetDefaultDisplayMode()
+wxVideoMode wxGetDefaultDisplayMode()

 {
     wxString mode;
     unsigned w, h, bpp;
 {
     wxString mode;
     unsigned w, h, bpp;


@@ -227,160 +220,49 @@ wxDisplayModeInfo wxGetDefaultDisplayMode()
         w = 640, h = 480, bpp = 16;
     }
 
         w = 640, h = 480, bpp = 16;
     }
 

-    return wxDisplayModeInfo(w, h, bpp);
+    return wxVideoMode(w, h, bpp);

 }
 
 }
 

-bool wxApp::SetDisplayMode(const wxDisplayModeInfo& mode)
+bool wxApp::SetDisplayMode(const wxVideoMode& mode)

 {
     if ( !mode.IsOk() )
     {
 {
     if ( !mode.IsOk() )
     {

-        return FALSE;
+        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!"));
     }
     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;
+        return false;

     }
 
     if ( !wxCreateMGL_WM(mode) )
     }
 
     if ( !wxCreateMGL_WM(mode) )

-        return FALSE;
+        return false;

     gs_rootWindow = new wxRootWindow;
 
     m_displayMode = mode;
 
     gs_rootWindow = new wxRootWindow;
 
     m_displayMode = mode;
 

-    return TRUE;
+    return true;

 }
 
 bool wxApp::OnInitGui()
 {
     if ( !wxAppBase::OnInitGui() )
 }
 
 bool wxApp::OnInitGui()
 {
     if ( !wxAppBase::OnInitGui() )

-        return FALSE;
+        return false;

 
 #ifdef __WXDEBUG__
     // MGL redirects stdout and stderr to physical console, so lets redirect
 
 #ifdef __WXDEBUG__
     // MGL redirects stdout and stderr to physical console, so lets redirect

-    // it to file. Do it only when WXDEBUG environment variable is set
+    // 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);
     wxString redirect;
     if ( wxGetEnv(wxT("WXSTDERR"), &redirect) )
         freopen(redirect.mb_str(), "wt", stderr);

-#endif
+#endif // __WXDEBUG__

 
     wxLog *oldLog = wxLog::SetActiveTarget(new wxLogGui);
     if ( oldLog ) delete oldLog;
 
 
     wxLog *oldLog = wxLog::SetActiveTarget(new wxLogGui);
     if ( oldLog ) delete oldLog;
 

-    return TRUE;
-}
-
-bool wxApp::ProcessIdle()
-{
-    wxIdleEvent event;
-    event.SetEventObject(this);
-    ProcessEvent(event);
-
-    return event.MoreRequested();
-}
-
-void wxApp::OnIdle(wxIdleEvent &event)
-{
-    static bool s_inOnIdle = FALSE;
-
-    /* Avoid recursion (via ProcessEvent default case) */
-    if (s_inOnIdle)
-        return;
-
-    s_inOnIdle = TRUE;
-
-    /* Resend in the main thread events which have been prepared in other
-       threads */
-    ProcessPendingEvents();
-
-    // 'Garbage' collection of windows deleted with Close().
-    DeletePendingObjects();
-
-#if wxUSE_LOG
-    // flush the logged messages if any
-    wxLog::FlushActive();
-#endif // wxUSE_LOG
-
-    // Send OnIdle events to all windows
-    if ( SendIdleEvents() )
-        event.RequestMore(TRUE);
-
-    s_inOnIdle = FALSE;
-}
-
-bool wxApp::SendIdleEvents()
-{
-    bool needMore = FALSE;
-
-    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
-    while (node)
-    {
-        wxWindow* win = node->GetData();
-        if ( SendIdleEvents(win) )
-            needMore = TRUE;
-        node = node->GetNext();
-    }
-
-    return needMore;
-}
-
-bool wxApp::SendIdleEvents(wxWindow* win)
-{
-    bool needMore = FALSE;
-
-    wxIdleEvent event;
-    event.SetEventObject(win);
-
-    win->GetEventHandler()->ProcessEvent(event);
-
-    if ( event.MoreRequested() )
-        needMore = TRUE;
-
-    wxNode* node = win->GetChildren().First();
-    while (node)
-    {
-        wxWindow* win = (wxWindow*) node->Data();
-        if ( SendIdleEvents(win) )
-            needMore = TRUE;
-
-        node = node->Next();
-    }
-    return needMore;
-}
-
-int wxApp::MainLoop()
-{
-    int rt;
-    m_mainLoop = new wxEventLoop;
-
-    rt = m_mainLoop->Run();
-
-    delete m_mainLoop;
-    m_mainLoop = NULL;
-    return rt;
-}
-
-void wxApp::ExitMainLoop()
-{
-    if ( m_mainLoop )
-        m_mainLoop->Exit(0);
-}
-
-bool wxApp::Initialized()
-{
-    return (wxTopLevelWindows.GetCount() != 0);
-}
-
-bool wxApp::Pending()
-{
-    return wxEventLoop::GetActive()->Pending();
-}
-
-void wxApp::Dispatch()
-{
-    wxEventLoop::GetActive()->Dispatch();
+    return true;

 }
 
 bool wxApp::Initialize(int& argc, wxChar **argv)
 }
 
 bool wxApp::Initialize(int& argc, wxChar **argv)


@@ -391,19 +273,16 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     wxSetEnv(wxT("LFN"), wxT("N"));
 #endif
 
     wxSetEnv(wxT("LFN"), wxT("N"));
 #endif
 

-    // 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) )
-        return false;
-
+    // intialize MGL before creating wxFontsManager since it uses MGL funcs

     if ( MGL_init(".", NULL) == 0 )
     {
         wxLogError(_("Cannot initialize SciTech MGL!"));
     if ( MGL_init(".", NULL) == 0 )
     {
         wxLogError(_("Cannot initialize SciTech MGL!"));

+        return false;
+    }

 
 

-        wxAppBase::CleanUp();
-
+    if ( !wxAppBase::Initialize(argc, argv) )
+    {
+        MGL_exit();

         return false;
     }
 
         return false;
     }
 


@@ -414,17 +293,29 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     return true;
 }
 
     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()
+    {
+        wxFontsManager::CleanUp();
+
+        wxDestroyMGL_WM();
+        MGL_exit();
+    }
+};
+

 void wxApp::CleanUp()
 {
     delete gs_rootWindow;
 
     wxAppBase::CleanUp();
 
 void wxApp::CleanUp()
 {
     delete gs_rootWindow;
 
     wxAppBase::CleanUp();
 

-    // must do this after calling base class CleanUp()
-    delete wxTheFontsManager;
-    wxTheFontsManager = (wxFontsManager*) NULL;
-
-    wxDestroyMGL_WM();
-    MGL_exit();
+    wxModule::RegisterModule(new wxMGLFinalCleanup);

 }
 }

-