fixed bug in wxHtmlHelpFrame: didn't show HTML window when navigation panel was off

[wxWidgets.git] / src / gtk1 / app.cpp

diff --git a/src/gtk1/app.cpp b/src/gtk1/app.cpp
index 8d6ae8f81455a21383a122fd38d5116c10c1ffe6..65710bb24dccd17b3d952cbcc99b9e22ab6e898b 100644 (file)
--- a/src/gtk1/app.cpp
+++ b/src/gtk1/app.cpp
@@ -11,6 +11,10 @@
     #pragma implementation "app.h"
 #endif
 
     #pragma implementation "app.h"
 #endif
 

+#ifdef __VMS
+#include <vms_jackets.h>
+#endif
+

 #include "wx/app.h"
 #include "wx/gdicmn.h"
 #include "wx/utils.h"
 #include "wx/app.h"
 #include "wx/gdicmn.h"
 #include "wx/utils.h"


@@ -38,6 +42,11 @@
 #endif
 
 #include <unistd.h>
 #endif
 
 #include <unistd.h>

+#ifdef __VMS
+# include <poll.h>
+#else
+# include <sys/poll.h>
+#endif

 #include "wx/gtk/win_gtk.h"
 
 #include <gtk/gtk.h>
 #include "wx/gtk/win_gtk.h"
 
 #include <gtk/gtk.h>


@@ -50,25 +59,17 @@
 wxApp *wxTheApp = (wxApp *)  NULL;
 wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
 
 wxApp *wxTheApp = (wxApp *)  NULL;
 wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
 

-extern bool g_isIdle;
-

 bool   g_mainThreadLocked = FALSE;
 gint   g_pendingTag = 0;
 
 static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
 
 //-----------------------------------------------------------------------------
 bool   g_mainThreadLocked = FALSE;
 gint   g_pendingTag = 0;
 
 static GtkWidget *gs_RootWindow = (GtkWidget*) NULL;
 
 //-----------------------------------------------------------------------------

-// local functions
+// idle system

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-extern "C"
-{
-    gint wxapp_idle_callback( gpointer WXUNUSED(data) );
-    gint wxapp_pending_callback( gpointer WXUNUSED(data) );
-}
+extern bool g_isIdle;

 
 

-void wxapp_install_thread_wakeup();
-void wxapp_uninstall_thread_wakeup();

 void wxapp_install_idle_handler();
 
 //-----------------------------------------------------------------------------
 void wxapp_install_idle_handler();
 
 //-----------------------------------------------------------------------------


@@ -125,12 +126,13 @@ bool wxApp::Yield(bool onlyIfNeeded)
     while (gtk_events_pending())
         gtk_main_iteration();
 
     while (gtk_events_pending())
         gtk_main_iteration();
 

-    /* 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 ( ProcessIdle() )
-    {
-    }
+    // 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). But we 
+    // call ProcessIdle() only once since this is not meant for longish
+    // background jobs (controlled by wxIdleEvent::RequestMore() and the
+    // return value of Processidle().
+    ProcessIdle();

 
     // let the logs be flashed again
     wxLog::Resume();
 
     // let the logs be flashed again
     wxLog::Resume();


@@ -164,43 +166,25 @@ void wxWakeUpIdle()
 // local functions
 //-----------------------------------------------------------------------------
 
 // local functions
 //-----------------------------------------------------------------------------
 

-void wxapp_install_idle_handler()
-{
-    wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );
-
-    g_isIdle = FALSE;
-
-    if (g_pendingTag == 0)
-        g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );
-
-    /* This routine gets called by all event handlers
-       indicating that the idle is over. It may also
-       get called from other thread for sending events
-       to the main thread (and processing these in
-       idle time). Very low priority. */
-
-    wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );
-}
-

 // the callback functions must be extern "C" to comply with GTK+ declarations
 extern "C"
 {
 
 // the callback functions must be extern "C" to comply with GTK+ declarations
 extern "C"
 {
 

-gint wxapp_pending_callback( gpointer WXUNUSED(data) )
+static gint wxapp_pending_callback( gpointer WXUNUSED(data) )

 {
     if (!wxTheApp) return TRUE;
 
 {
     if (!wxTheApp) return TRUE;
 

-    // when getting called from GDK's time-out handler
+    // When getting called from GDK's time-out handler

     // we are no longer within GDK's grab on the GUI
     // we are no longer within GDK's grab on the GUI

-    // thread so we must lock it here ourselves
+    // thread so we must lock it here ourselves.

     gdk_threads_enter();
 
     gdk_threads_enter();
 

-    // Sent idle event to all who request them
+    // Sent idle event to all who request them.

     wxTheApp->ProcessPendingEvents();
 
     g_pendingTag = 0;
 
     wxTheApp->ProcessPendingEvents();
 
     g_pendingTag = 0;
 

-    /* flush the logged messages if any */
+    // Flush the logged messages if any.

 #if wxUSE_LOG
     wxLog::FlushActive();
 #endif // wxUSE_LOG
 #if wxUSE_LOG
     wxLog::FlushActive();
 #endif // wxUSE_LOG


@@ -213,7 +197,7 @@ gint wxapp_pending_callback( gpointer WXUNUSED(data) )
     return FALSE;
 }
 
     return FALSE;
 }
 

-gint wxapp_idle_callback( gpointer WXUNUSED(data) )
+static gint wxapp_idle_callback( gpointer WXUNUSED(data) )

 {
     if (!wxTheApp)
         return TRUE;
 {
     if (!wxTheApp)
         return TRUE;


@@ -228,96 +212,70 @@ gint wxapp_idle_callback( gpointer WXUNUSED(data) )
     }
 #endif // __WXDEBUG__
 
     }
 #endif // __WXDEBUG__
 

-    // when getting called from GDK's time-out handler
+    // When getting called from GDK's time-out handler

     // we are no longer within GDK's grab on the GUI
     // we are no longer within GDK's grab on the GUI

-    // thread so we must lock it here ourselves
+    // thread so we must lock it here ourselves.

     gdk_threads_enter();
 
     gdk_threads_enter();
 

-    /* Indicate that we are now in idle mode - even so deeply
-       in idle mode that we don't get any idle events anymore.
-       this is like wxMSW where an idle event is sent only
-       once each time after the event queue has been completely
-       emptied */
+    // Indicate that we are now in idle mode and event handlers
+    // will have to reinstall the idle handler again.

     g_isIdle = TRUE;
     wxTheApp->m_idleTag = 0;
 
     g_isIdle = TRUE;
     wxTheApp->m_idleTag = 0;
 

-    // Sent idle event to all who request them as long as they do
-    while (wxTheApp->ProcessIdle())
+    // Send idle event to all who request them as long as
+    // no events have popped up in the event queue.
+    while (wxTheApp->ProcessIdle() && (gtk_events_pending() == 0))

         ;
 
     // Release lock again
     gdk_threads_leave();
 
     // Return FALSE to indicate that no more idle events are
         ;
 
     // Release lock again
     gdk_threads_leave();
 
     // Return FALSE to indicate that no more idle events are

-    // to be sent (single shot instead of continuous stream)
+    // to be sent (single shot instead of continuous stream).

     return FALSE;
 }
 
 #if wxUSE_THREADS
 
     return FALSE;
 }
 
 #if wxUSE_THREADS
 

-gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
+static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )

 {
 {

-    // when getting called from GDK's time-out handler
-    // we are no longer within GDK's grab on the GUI
-    // thread so we must lock it here ourselves
+    gint res;

     gdk_threads_enter();
 
     gdk_threads_enter();
 

-    wxapp_uninstall_thread_wakeup();
-
-    // unblock other threads wishing to do some GUI things

     wxMutexGuiLeave();
     wxMutexGuiLeave();

-

     g_mainThreadLocked = TRUE;
 
     g_mainThreadLocked = TRUE;
 

-    // wake up other threads
-    wxUsleep( 1 );
+    res = poll( (struct pollfd*) ufds, nfds, timeout );

 
 

-    // block other thread again

     wxMutexGuiEnter();
     wxMutexGuiEnter();

-

     g_mainThreadLocked = FALSE;
 
     g_mainThreadLocked = FALSE;
 

-    wxapp_install_thread_wakeup();
-
-    // release lock again

     gdk_threads_leave();
 
     gdk_threads_leave();
 

-    return TRUE;
+    return res;

 }
 
 #endif // wxUSE_THREADS
 
 } // extern "C"
 
 }
 
 #endif // wxUSE_THREADS
 
 } // extern "C"
 

-#if wxUSE_THREADS
-
-static int g_threadUninstallLevel = 0;
-
-void wxapp_install_thread_wakeup()
-{
-    g_threadUninstallLevel++;
-
-    if (g_threadUninstallLevel != 1) return;
-
-    if (wxTheApp->m_wakeUpTimerTag) return;
-
-    wxTheApp->m_wakeUpTimerTag = gtk_timeout_add( 50, wxapp_wakeup_timerout_callback, (gpointer) NULL );
-}
-
-void wxapp_uninstall_thread_wakeup()
+void wxapp_install_idle_handler()

 {
 {

-    g_threadUninstallLevel--;
+    wxASSERT_MSG( wxTheApp->m_idleTag == 0, wxT("attempt to install idle handler twice") );

 
 

-    if (g_threadUninstallLevel != 0) return;
+    g_isIdle = FALSE;

 
 

-    if (!wxTheApp->m_wakeUpTimerTag) return;
+    if (g_pendingTag == 0)
+        g_pendingTag = gtk_idle_add_priority( 900, wxapp_pending_callback, (gpointer) NULL );

 
 

-    gtk_timeout_remove( wxTheApp->m_wakeUpTimerTag );
-    wxTheApp->m_wakeUpTimerTag = 0;
+    // This routine gets called by all event handlers
+    // indicating that the idle is over. It may also
+    // get called from other thread for sending events
+    // to the main thread (and processing these in
+    // idle time). Very low priority.
+    wxTheApp->m_idleTag = gtk_idle_add_priority( 1000, wxapp_idle_callback, (gpointer) NULL );

 }
 
 }
 

-#endif // wxUSE_THREADS
-

 //-----------------------------------------------------------------------------
 // Access to the root window global
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // Access to the root window global
 //-----------------------------------------------------------------------------


@@ -353,8 +311,7 @@ wxApp::wxApp()
     wxapp_install_idle_handler();
 
 #if wxUSE_THREADS
     wxapp_install_idle_handler();
 
 #if wxUSE_THREADS

-    m_wakeUpTimerTag = 0;
-    wxapp_install_thread_wakeup();
+    g_main_set_poll_func( wxapp_poll_func );

 #endif
 
     m_colorCube = (unsigned char*) NULL;
 #endif
 
     m_colorCube = (unsigned char*) NULL;


@@ -367,10 +324,6 @@ wxApp::~wxApp()
 {
     if (m_idleTag) gtk_idle_remove( m_idleTag );
 
 {
     if (m_idleTag) gtk_idle_remove( m_idleTag );
 

-#if wxUSE_THREADS
-    wxapp_uninstall_thread_wakeup();
-#endif
-

     if (m_colorCube) free(m_colorCube);
 }
 
     if (m_colorCube) free(m_colorCube);
 }
 


@@ -479,7 +432,7 @@ GdkVisual *wxApp::GetGdkVisual()
     GdkVisual *visual = NULL;
     
     if (m_glVisualInfo)
     GdkVisual *visual = NULL;
     
     if (m_glVisualInfo)

-        visual = gdkx_visual_get( ((XVisualInfo *) wxTheApp->m_glVisualInfo)->visualid );
+        visual = gdkx_visual_get( ((XVisualInfo *) m_glVisualInfo)->visualid );

     else
         visual = gdk_window_get_visual( wxGetRootWindow()->window );
         
     else
         visual = gdk_window_get_visual( wxGetRootWindow()->window );
         


@@ -501,20 +454,20 @@ void wxApp::OnIdle( wxIdleEvent &event )
 {
     static bool s_inOnIdle = FALSE;
 
 {
     static bool s_inOnIdle = FALSE;
 

-    /* Avoid recursion (via ProcessEvent default case) */
+    // Avoid recursion (via ProcessEvent default case)

     if (s_inOnIdle)
         return;
 
     s_inOnIdle = TRUE;
 
     if (s_inOnIdle)
         return;
 
     s_inOnIdle = TRUE;
 

-    /* Resend in the main thread events which have been prepared in other
-       threads */
+    // Resend in the main thread events which have been prepared in other
+    // threads

     ProcessPendingEvents();
 
     ProcessPendingEvents();
 

-    /* 'Garbage' collection of windows deleted with Close(). */
+    // 'Garbage' collection of windows deleted with Close()

     DeletePendingObjects();
 
     DeletePendingObjects();
 

-    /* Send OnIdle events to all windows */
+    // Send OnIdle events to all windows

     bool needMore = SendIdleEvents();
 
     if (needMore)
     bool needMore = SendIdleEvents();
 
     if (needMore)


@@ -562,7 +515,8 @@ bool wxApp::SendIdleEvents( wxWindow* win )
 
         node = node->Next();
     }
 
         node = node->Next();
     }

-    return needMore ;
+    
+    return needMore;

 }
 
 int wxApp::MainLoop()
 }
 
 int wxApp::MainLoop()


@@ -610,8 +564,6 @@ void wxApp::DeletePendingObjects()
 
 bool wxApp::Initialize()
 {
 
 bool wxApp::Initialize()
 {

-    wxBuffer = new wxChar[BUFSIZ + 512];
-

     wxClassInfo::InitializeClasses();
 
 #if wxUSE_INTL
     wxClassInfo::InitializeClasses();
 
 #if wxUSE_INTL


@@ -649,9 +601,7 @@ void wxApp::CleanUp()
     wxCleanUpResourceSystem();
 #endif
 
     wxCleanUpResourceSystem();
 #endif
 

-    if (wxTheColourDatabase)
-        delete wxTheColourDatabase;
-
+    delete wxTheColourDatabase;

     wxTheColourDatabase = (wxColourDatabase*) NULL;
 
     wxDeleteStockObjects();
     wxTheColourDatabase = (wxColourDatabase*) NULL;
 
     wxDeleteStockObjects();


@@ -661,17 +611,13 @@ void wxApp::CleanUp()
     delete wxTheApp;
     wxTheApp = (wxApp*) NULL;
 
     delete wxTheApp;
     wxTheApp = (wxApp*) NULL;
 

-    // GL: I'm annoyed ... I don't know where to put this and I don't want to
-    // create a module for that as it's part of the core.
+    wxClassInfo::CleanUpClasses();
+

 #if wxUSE_THREADS
     delete wxPendingEvents;
     delete wxPendingEventsLocker;
 #endif
 
 #if wxUSE_THREADS
     delete wxPendingEvents;
     delete wxPendingEventsLocker;
 #endif
 

-    delete[] wxBuffer;
-
-    wxClassInfo::CleanUpClasses();
-

     // check for memory leaks
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
     // check for memory leaks
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     if (wxDebugContext::CountObjectsLeft(TRUE) > 0)