Applied patch [ 1183157 ] Compilation with GCC 4.0

[wxWidgets.git] / src / common / popupcmn.cpp

diff --git a/src/common/popupcmn.cpp b/src/common/popupcmn.cpp
index c1961f1973b2c7fcc9f370d64e2fa0fed2293b69..5e6586bb3ccf48ec1c3504ce1afafc9fcd97acc7 100644 (file)
--- a/src/common/popupcmn.cpp
+++ b/src/common/popupcmn.cpp
@@ -46,6 +46,9 @@
 #ifdef __WXGTK__
     #include <gtk/gtk.h>
 #endif
+#ifdef __WXX11__
+#include "wx/x11/private.h"
+#endif
 
 IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
 IMPLEMENT_DYNAMIC_CLASS(wxPopupTransientWindow, wxPopupWindow)
@@ -63,7 +66,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxPopupTransientWindow, wxPopupWindow)
 class wxPopupWindowHandler : public wxEvtHandler
 {
 public:
-    wxPopupWindowHandler(wxPopupTransientWindow *popup) { m_popup = popup; }
+    wxPopupWindowHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
+    ~wxPopupWindowHandler();
 
 protected:
     // event handlers
@@ -79,10 +83,8 @@ private:
 class wxPopupFocusHandler : public wxEvtHandler
 {
 public:
-    wxPopupFocusHandler(wxPopupTransientWindow *popup)
-    {
-        m_popup = popup;
-    }
+    wxPopupFocusHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
+    ~wxPopupFocusHandler();
 
 protected:
     void OnKillFocus(wxFocusEvent& event);
@@ -108,6 +110,12 @@ BEGIN_EVENT_TABLE(wxPopupFocusHandler, wxEvtHandler)
     EVT_KEY_DOWN(wxPopupFocusHandler::OnKeyDown)
 END_EVENT_TABLE()
 
+BEGIN_EVENT_TABLE(wxPopupTransientWindow, wxPopupWindow)
+#ifdef __WXMSW__
+    EVT_IDLE(wxPopupTransientWindow::OnIdle)
+#endif
+END_EVENT_TABLE()
+
 // ============================================================================
 // implementation
 // ============================================================================
@@ -197,9 +205,10 @@ void wxPopupTransientWindow::PopHandlers()
             // handler - so don't risk deleting it second time
             m_handlerPopup = NULL;
         }
-
         if (m_child->HasCapture())
+        {       
             m_child->ReleaseMouse();
+        }
         m_child = NULL;
     }
 
@@ -243,10 +252,13 @@ void wxPopupTransientWindow::Popup(wxWindow *winFocus)
 
     Show();
 
+    // There is is a problem if these are still valid
+    wxASSERT_MSG(!m_handlerPopup, wxT("Popup handler not deleted"));
+    wxASSERT_MSG(!m_handlerFocus, wxT("Focus handler not deleted"));
+
     delete m_handlerPopup;
     m_handlerPopup = new wxPopupWindowHandler(this);
 
-    // m_child->CaptureMouse();
     m_child->PushEventHandler(m_handlerPopup);
 
     m_focus = winFocus ? winFocus : this;
@@ -272,20 +284,82 @@ void wxPopupTransientWindow::Popup(wxWindow *winFocus)
     PushEventHandler(m_handlerFocus);
 #endif // __WXMSW__
 
+    // catch destroy events, if you close a program with a popup shown in MSW
+    // you get a segfault if m_child or m_focus are deleted before this is
+    m_child->Connect(wxEVT_DESTROY,
+                     wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
+                     NULL, this);
+    m_focus->Connect(wxEVT_DESTROY,
+                     wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
+                     NULL, this);
 }
 
 bool wxPopupTransientWindow::Show( bool show )
 {
 #ifdef __WXGTK__
     if (!show)
+    {
+        gdk_pointer_ungrab( (guint32)GDK_CURRENT_TIME );
+
         gtk_grab_remove( m_widget );
+    }
 #endif
 
-    bool ret = wxPopupWindow::Show( show );
+#ifdef __WXX11__
+    if (!show)
+    {
+        XUngrabPointer( wxGlobalDisplay(), CurrentTime );
+    }
+#endif
+
+#ifdef __WXMSW__
+    if (!show && m_child && m_child->HasCapture())
+    {       
+        m_child->ReleaseMouse();
+    }
+#endif
     
+    bool ret = wxPopupWindow::Show( show );
+
 #ifdef __WXGTK__
     if (show)
+    {
         gtk_grab_add( m_widget );
+
+        gdk_pointer_grab( m_widget->window, TRUE,
+                          (GdkEventMask)
+                            (GDK_BUTTON_PRESS_MASK |
+                             GDK_BUTTON_RELEASE_MASK |
+                             GDK_POINTER_MOTION_HINT_MASK |
+                             GDK_POINTER_MOTION_MASK),
+                          (GdkWindow *) NULL,
+                          (GdkCursor *) NULL,
+                          (guint32)GDK_CURRENT_TIME );
+    }
+#endif
+
+#ifdef __WXX11__
+    if (show)
+    {
+        Window xwindow = (Window) m_clientWindow;
+
+        /* int res =*/ XGrabPointer(wxGlobalDisplay(), xwindow,
+            True,
+            ButtonPressMask | ButtonReleaseMask | ButtonMotionMask | EnterWindowMask | LeaveWindowMask | PointerMotionMask,
+            GrabModeAsync,
+            GrabModeAsync,
+            None,
+            None,
+            CurrentTime );
+    }
+#endif
+
+#ifdef __WXMSW__
+    if (show && m_child)
+    {
+        // Assume that the mouse is outside the popup to begin with
+        m_child->CaptureMouse();
+    }
 #endif
 
     return ret;
@@ -293,15 +367,13 @@ bool wxPopupTransientWindow::Show( bool show )
 
 void wxPopupTransientWindow::Dismiss()
 {
-    PopHandlers();
-
     Hide();
+    PopHandlers();
 }
 
 void wxPopupTransientWindow::DismissAndNotify()
 {
     Dismiss();
-
     OnDismiss();
 }
 
@@ -316,6 +388,43 @@ bool wxPopupTransientWindow::ProcessLeftDown(wxMouseEvent& WXUNUSED(event))
     return false;
 }
 
+void wxPopupTransientWindow::OnDestroy(wxWindowDestroyEvent& event)
+{
+    if (event.GetEventObject() == m_child)
+        m_child = NULL;
+    if (event.GetEventObject() == m_focus)
+        m_focus = NULL;
+}
+
+#ifdef __WXMSW__
+void wxPopupTransientWindow::OnIdle(wxIdleEvent& event)
+{
+    event.Skip();
+
+    if (IsShown() && m_child)
+    {
+        wxPoint pos = ScreenToClient(wxGetMousePosition());
+        wxRect rect(GetSize());
+
+        if ( rect.Inside(pos) )
+        {
+            if ( m_child->HasCapture() )
+            {
+                m_child->ReleaseMouse();
+            }
+        }
+        else
+        {
+            if ( !m_child->HasCapture() )
+            {
+                m_child->CaptureMouse();
+            }
+        }                
+    }
+}
+#endif
+
+
 #if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
 
 // ----------------------------------------------------------------------------
@@ -342,7 +451,7 @@ bool wxPopupComboWindow::Create(wxComboControl *parent)
 void wxPopupComboWindow::PositionNearCombo()
 {
     // the origin point must be in screen coords
-    wxPoint ptOrigin = m_combo->ClientToScreen(wxPoint(0, 0));
+    wxPoint ptOrigin = m_combo->ClientToScreen(wxPoint(0,0));
 
 #if 0 //def __WXUNIVERSAL__
     // account for the fact that (0, 0) is not the top left corner of the
@@ -373,6 +482,11 @@ void wxPopupComboWindow::OnKeyDown(wxKeyEvent& event)
 // ----------------------------------------------------------------------------
 // wxPopupWindowHandler
 // ----------------------------------------------------------------------------
+wxPopupWindowHandler::~wxPopupWindowHandler()
+{
+    if (m_popup && (m_popup->m_handlerPopup == this))
+        m_popup->m_handlerPopup = NULL;
+}
 
 void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 {
@@ -461,6 +575,11 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 // ----------------------------------------------------------------------------
 // wxPopupFocusHandler
 // ----------------------------------------------------------------------------
+wxPopupFocusHandler::~wxPopupFocusHandler()
+{
+    if (m_popup && (m_popup->m_handlerFocus == this))
+        m_popup->m_handlerFocus = NULL;
+}
 
 void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event)
 {