Don't always maximize top-level windows on Smartphone

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

diff --git a/src/gtk/app.cpp b/src/gtk/app.cpp
index 53aa238e66165046506fec4f015e4c5adcb8f348..dbe83542dc3e0aff07d0cc5960b7df556d4690f5 100644 (file)
--- a/src/gtk/app.cpp
+++ b/src/gtk/app.cpp
@@ -34,6 +34,11 @@
 #include "wx/filename.h"
 #include "wx/module.h"
 #include "wx/image.h"
+#include "wx/thread.h"
+
+#ifdef __WXGPE__
+#include <gpe/init.h>
+#endif
 
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/theme.h"
@@ -75,7 +80,6 @@
 
 #include <gtk/gtk.h>
 
-
 //-----------------------------------------------------------------------------
 // global data
 //-----------------------------------------------------------------------------
@@ -93,6 +97,10 @@ extern bool g_isIdle;
 
 void wxapp_install_idle_handler();
 
+#if wxUSE_THREADS
+static wxMutex gs_idleTagsMutex;
+#endif
+
 //-----------------------------------------------------------------------------
 // wxYield
 //-----------------------------------------------------------------------------
@@ -124,14 +132,9 @@ bool wxApp::Yield(bool onlyIfNeeded)
 
     wxIsInsideYield = TRUE;
 
-    if (!g_isIdle)
-    {
-        // We need to remove idle callbacks or the loop will
-        // never finish.
-        gtk_idle_remove( m_idleTag );
-        m_idleTag = 0;
-        g_isIdle = TRUE;
-    }
+    // We need to remove idle callbacks or the loop will
+    // never finish.
+    wxTheApp->RemoveIdleTag();
 
     // disable log flushing from here because a call to wxYield() shouldn't
     // normally result in message boxes popping up &c
@@ -160,20 +163,30 @@ bool wxApp::Yield(bool onlyIfNeeded)
 // wxWakeUpIdle
 //-----------------------------------------------------------------------------
 
+// RR/KH: The wxMutexGui calls are not needed on GTK2 according to
+// the GTK faq, http://www.gtk.org/faq/#AEN500
+// The calls to gdk_threads_enter() and leave() are specifically noted
+// as not being necessary.  The MutexGui calls are still left in for GTK1.
+// Eliminating the MutexGui calls fixes the long-standing "random" lockup
+// when using wxPostEvent (which calls WakeUpIdle) from a thread.
+
 void wxApp::WakeUpIdle()
 {
+#ifndef __WXGTK20__
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiEnter();
-#endif
+#endif // wxUSE_THREADS_
+#endif // __WXGTK2__
 
-    if (g_isIdle)
-        wxapp_install_idle_handler();
+    wxapp_install_idle_handler();
 
+#ifndef __WXGTK20__
 #if wxUSE_THREADS
     if (!wxThread::IsMain())
         wxMutexGuiLeave();
-#endif
+#endif // wxUSE_THREADS_
+#endif // __WXGTK2__
 }
 
 //-----------------------------------------------------------------------------
@@ -196,7 +209,12 @@ static gint wxapp_pending_callback( gpointer WXUNUSED(data) )
     // Sent idle event to all who request them.
     wxTheApp->ProcessPendingEvents();
 
-    g_pendingTag = 0;
+    {
+#if wxUSE_THREADS
+        wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+        g_pendingTag = 0;
+    }
 
     // Flush the logged messages if any.
 #if wxUSE_LOG
@@ -244,8 +262,13 @@ static gint wxapp_idle_callback( gpointer WXUNUSED(data) )
 
     // 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;
+    {
+#if wxUSE_THREADS
+        wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+        g_isIdle = TRUE;
+        wxTheApp->m_idleTag = 0;
+    }
 
     // Send idle event to all who request them as long as
     // no events have popped up in the event queue.
@@ -353,6 +376,15 @@ static gint wxapp_poll_func( GPollFD *ufds, guint nfds, gint timeout )
 
 void wxapp_install_idle_handler()
 {
+#if wxUSE_THREADS
+    wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+
+    // Don't install the handler if it's already installed. This test *MUST*
+    // be done when gs_idleTagsMutex is locked!
+    if (!g_isIdle)
+        return;
+
     // GD: this assert is raised when using the thread sample (which works)
     //     so the test is probably not so easy. Can widget callbacks be
     //     triggered from child threads and, if so, for which widgets?
@@ -404,6 +436,7 @@ wxApp::wxApp()
 #endif // __WXDEBUG__
 
     m_idleTag = 0;
+    g_isIdle = TRUE;
     wxapp_install_idle_handler();
 
 #if wxUSE_THREADS
@@ -414,6 +447,7 @@ wxApp::wxApp()
 
     // this is NULL for a "regular" wxApp, but is set (and freed) by a wxGLApp
     m_glVisualInfo = (void *) NULL;
+    m_glFBCInfo = (void *) NULL;
 }
 
 wxApp::~wxApp()
@@ -539,13 +573,15 @@ GdkVisual *wxApp::GetGdkVisual()
 
 bool wxApp::Initialize(int& argc, wxChar **argv)
 {
+    bool init_result;
+    
 #if wxUSE_THREADS
     // GTK 1.2 up to version 1.2.3 has broken threads
     if ((gtk_major_version == 1) &&
         (gtk_minor_version == 2) &&
         (gtk_micro_version < 4))
     {
-        printf( "wxWindows warning: GUI threading disabled due to outdated GTK version\n" );
+        printf( "wxWidgets warning: GUI threading disabled due to outdated GTK version\n" );
     }
     else
     {
@@ -570,6 +606,12 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
         wxConvCurrent = (wxMBConv*) NULL;
 #endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
 
+#ifdef __WXGTK20__
+    m_convBrokenFileNames = new wxConvBrokenFileNames;
+    m_oldConvFileName = wxConvFileName;
+    wxConvFileName = m_convBrokenFileNames;
+#endif
+
 #if wxUSE_UNICODE
     // gtk_init() wants UTF-8, not wchar_t, so convert
     int i;
@@ -582,7 +624,13 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     argvGTK[argc] = NULL;
 
     int argcGTK = argc;
-    gtk_init( &argcGTK, &argvGTK );
+    
+#ifdef __WXGPE__
+    init_result = true;  // is there a _check() version of this?
+    gpe_application_init( &argcGTK, &argvGTK );
+#else
+    init_result = gtk_init_check( &argcGTK, &argvGTK );
+#endif
 
     if ( argcGTK != argc )
     {
@@ -609,9 +657,14 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
 #else // !wxUSE_UNICODE
     // gtk_init() shouldn't actually change argv itself (just its contents) so
     // it's ok to pass pointer to it
-    gtk_init( &argc, &argv );
+    init_result = gtk_init_check( &argc, &argv );
 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 
+    if (!init_result) {
+        wxLogError(wxT("Unable to initialize gtk, is DISPLAY set properly?"));
+        return false;
+    }
+    
     // we can not enter threads before gtk_init is done
     gdk_threads_enter();
 
@@ -628,13 +681,16 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
 #endif
 
-    wxGetRootWindow();
-
     return true;
 }
 
 void wxApp::CleanUp()
 {
+#ifdef __WXGTK20__
+    delete m_convBrokenFileNames;
+    wxConvFileName = m_oldConvFileName;
+#endif
+
     gdk_threads_leave();
 
     wxAppBase::CleanUp();
@@ -653,3 +709,15 @@ void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxC
 
 #endif // __WXDEBUG__
 
+void wxApp::RemoveIdleTag()
+{
+#if wxUSE_THREADS
+    wxMutexLocker lock(gs_idleTagsMutex);
+#endif
+    if (!g_isIdle)
+    {
+        gtk_idle_remove( wxTheApp->m_idleTag );
+        wxTheApp->m_idleTag = 0;
+        g_isIdle = TRUE;
+    }
+}