revert nested event loop support for wxGTK1 because it causes applications hangs

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

diff --git a/src/gtk/spinbutt.cpp b/src/gtk/spinbutt.cpp
index 6dbfe5b1072db1efe7e228790889b77bfce6c0c2..e7c559502b87993bf1a80d2fc0b3b0760f534116 100644 (file)
--- a/src/gtk/spinbutt.cpp
+++ b/src/gtk/spinbutt.cpp
@@ -3,7 +3,6 @@
 // Purpose:     wxSpinButton
 // Author:      Robert
 // Modified by:
-// RCS-ID:      $Id$
 // Copyright:   (c) Robert Roebling
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -19,7 +18,7 @@
     #include "wx/utils.h"
 #endif
 
-#include "wx/gtk/private.h"
+#include <gtk/gtk.h>
 
 //-----------------------------------------------------------------------------
 // data
@@ -35,12 +34,10 @@ extern "C" {
 static void
 gtk_value_changed(GtkSpinButton* spinbutton, wxSpinButton* win)
 {
-    if (g_isIdle) wxapp_install_idle_handler();
-
     const double value = gtk_spin_button_get_value(spinbutton);
     const int pos = int(value);
     const int oldPos = win->m_pos;
-    if (!win->m_hasVMT || g_blockEventsOnDrag || win->m_blockScrollEvent || pos == oldPos)
+    if (g_blockEventsOnDrag || pos == oldPos)
     {
         win->m_pos = pos;
         return;
@@ -50,13 +47,13 @@ gtk_value_changed(GtkSpinButton* spinbutton, wxSpinButton* win)
     event.SetPosition(pos);
     event.SetEventObject(win);
 
-    if ((win->GetEventHandler()->ProcessEvent( event )) &&
+    if ((win->HandleWindowEvent( event )) &&
         !event.IsAllowed() )
     {
         /* program has vetoed */
-        win->BlockScrollEvent();
+        // this will cause another "value_changed" signal,
+        // but because pos == oldPos nothing will happen
         gtk_spin_button_set_value(spinbutton, oldPos);
-        win->UnblockScrollEvent();
         return;
     }
 
@@ -66,7 +63,7 @@ gtk_value_changed(GtkSpinButton* spinbutton, wxSpinButton* win)
     wxSpinEvent event2(wxEVT_SCROLL_THUMBTRACK, win->GetId());
     event2.SetPosition(pos);
     event2.SetEventObject(win);
-    win->GetEventHandler()->ProcessEvent(event2);
+    win->HandleWindowEvent(event2);
 }
 }
 
@@ -74,9 +71,6 @@ gtk_value_changed(GtkSpinButton* spinbutton, wxSpinButton* win)
 // wxSpinButton
 //-----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxSpinButton,wxControl)
-IMPLEMENT_DYNAMIC_CLASS(wxSpinEvent, wxNotifyEvent)
-
 BEGIN_EVENT_TABLE(wxSpinButton, wxControl)
     EVT_SIZE(wxSpinButton::OnSize)
 END_EVENT_TABLE()
@@ -93,8 +87,6 @@ bool wxSpinButton::Create(wxWindow *parent,
                           long style,
                           const wxString& name)
 {
-    m_needParent = true;
-
     wxSize new_size = size,
            sizeBest = DoGetBestSize();
     new_size.x = sizeBest.x;            // override width always
@@ -111,6 +103,7 @@ bool wxSpinButton::Create(wxWindow *parent,
     m_pos = 0;
 
     m_widget = gtk_spin_button_new_with_range(0, 100, 1);
+    g_object_ref(m_widget);
 
     gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
                               (int)(m_windowStyle & wxSP_WRAP) );
@@ -154,18 +147,20 @@ void wxSpinButton::SetValue( int value )
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
 
-    BlockScrollEvent();
+    GtkDisableEvents();
     gtk_spin_button_set_value((GtkSpinButton*)m_widget, value);
-    UnblockScrollEvent();
+    m_pos = int(gtk_spin_button_get_value((GtkSpinButton*)m_widget));
+    GtkEnableEvents();
 }
 
 void wxSpinButton::SetRange(int minVal, int maxVal)
 {
     wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
 
-    BlockScrollEvent();
+    GtkDisableEvents();
     gtk_spin_button_set_range((GtkSpinButton*)m_widget, minVal, maxVal);
-    UnblockScrollEvent();
+    m_pos = int(gtk_spin_button_get_value((GtkSpinButton*)m_widget));
+    GtkEnableEvents();
 }
 
 void wxSpinButton::OnSize( wxSizeEvent &WXUNUSED(event) )
@@ -176,9 +171,38 @@ void wxSpinButton::OnSize( wxSizeEvent &WXUNUSED(event) )
     gtk_widget_set_size_request( m_widget, m_width, m_height );
 }
 
-bool wxSpinButton::IsOwnGtkWindow( GdkWindow *window )
+bool wxSpinButton::Enable( bool enable )
 {
-    return GTK_SPIN_BUTTON(m_widget)->panel == window;
+    if (!base_type::Enable(enable))
+        return false;
+
+    // Work around lack of visual update when enabling
+    if (enable)
+        GTKFixSensitivity(false /* fix even if not under mouse */);
+
+    return true;
+}
+
+void wxSpinButton::GtkDisableEvents() const
+{
+    g_signal_handlers_block_by_func(m_widget,
+        (gpointer)gtk_value_changed, (void*) this);
+}
+
+void wxSpinButton::GtkEnableEvents() const
+{
+    g_signal_handlers_unblock_by_func(m_widget,
+        (gpointer)gtk_value_changed, (void*) this);
+}
+
+GdkWindow *wxSpinButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
+{
+#ifdef __WXGTK3__
+    // no access to internal GdkWindows
+    return NULL;
+#else
+    return GTK_SPIN_BUTTON(m_widget)->panel;
+#endif
 }
 
 wxSize wxSpinButton::DoGetBestSize() const
@@ -192,9 +216,7 @@ wxSize wxSpinButton::DoGetBestSize() const
 wxVisualAttributes
 wxSpinButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 {
-    // TODO: overload to accept functions like gtk_spin_button_new?
-    // Until then use a similar type
-    return GetDefaultAttributesFromGTKWidget(gtk_button_new);
+    return GetDefaultAttributesFromGTKWidget(gtk_spin_button_new_with_range(0, 100, 1));
 }
 
 #endif