]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/popupcmn.cpp
if we return GetSize() from DoGetBestSize(), remember it as min size as well to preve...
[wxWidgets.git] / src / common / popupcmn.cpp
index 7c8de4c9b70c6d0453e71b37267e5eccba067cf1..5876f6b03c301d353083fdbaca6a8dc907c7a135 100644 (file)
@@ -6,7 +6,7 @@
 // Created:     06.01.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// License:     wxWindows license
+// License:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "popupwinbase.h"
 #endif
 
@@ -28,7 +28,7 @@
     #pragma hdrstop
 #endif
 
-#if wxUSE_POPUPWIN && !defined(__WXMOTIF__)
+#if wxUSE_POPUPWIN
 
 #include "wx/popupwin.h"
 
     #include "wx/univ/renderer.h"
 #endif // __WXUNIVERSAL__
 
-// there is no src/mgl/popupwin.cpp to put this in, so we do it here - BTW we
-// probably could do it for all ports here just as well
-#if defined(__WXMGL__)
-    IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
-#endif // __WXMSW__
+#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)
 
 #if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)
@@ -64,7 +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
@@ -74,36 +77,24 @@ private:
     wxPopupTransientWindow *m_popup;
 
     DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxPopupWindowHandler)
 };
 
 class wxPopupFocusHandler : public wxEvtHandler
 {
 public:
-    wxPopupFocusHandler(wxPopupTransientWindow *popup)
-    {
-        m_popup = popup;
-
-#ifdef __WXGTK__
-        // ignore the next few OnKillFocus() calls
-        m_creationTime = time(NULL);
-#endif // __WXGTK__
-    }
+    wxPopupFocusHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
+    ~wxPopupFocusHandler();
 
 protected:
-    // event handlers
     void OnKillFocus(wxFocusEvent& event);
     void OnKeyDown(wxKeyEvent& event);
 
 private:
     wxPopupTransientWindow *m_popup;
 
-    // hack around wxGTK bug: we always get several kill focus events
-    // immediately after creation!
-#ifdef __WXGTK__
-    time_t m_creationTime;
-#endif // __WXGTK__
-
     DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxPopupFocusHandler)
 };
 
 // ----------------------------------------------------------------------------
@@ -119,6 +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
 // ============================================================================
@@ -134,7 +131,7 @@ wxPopupWindowBase::~wxPopupWindowBase()
 
 bool wxPopupWindowBase::Create(wxWindow* WXUNUSED(parent), int WXUNUSED(flags))
 {
-    return TRUE;
+    return true;
 }
 
 void wxPopupWindowBase::Position(const wxPoint& ptOrigin,
@@ -195,7 +192,11 @@ wxPopupTransientWindow::wxPopupTransientWindow(wxWindow *parent, int style)
 
 wxPopupTransientWindow::~wxPopupTransientWindow()
 {
-    PopHandlers();
+    if (m_handlerPopup && m_handlerPopup->GetNextHandler())
+        PopHandlers();
+        
+    wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler());
+    wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler());
 
     delete m_handlerFocus;
     delete m_handlerPopup;
@@ -211,22 +212,22 @@ void wxPopupTransientWindow::PopHandlers()
             // handler - so don't risk deleting it second time
             m_handlerPopup = NULL;
         }
-
-        m_child->ReleaseMouse();
+        if (m_child->HasCapture())
+        {       
+            m_child->ReleaseMouse();
+        }
         m_child = NULL;
     }
 
     if ( m_focus )
     {
-#ifndef __WXX11__
         if ( !m_focus->RemoveEventHandler(m_handlerFocus) )
         {
             // see above
             m_handlerFocus = NULL;
         }
-#endif
-        m_focus = NULL;
     }
+    m_focus = NULL;
 }
 
 void wxPopupTransientWindow::Popup(wxWindow *winFocus)
@@ -241,49 +242,130 @@ void wxPopupTransientWindow::Popup(wxWindow *winFocus)
         m_child = this;
     }
 
-    // we can't capture mouse before the window is shown in wxGTK, so do it
-    // first
     Show();
 
-    delete m_handlerPopup;
-    m_handlerPopup = new wxPopupWindowHandler(this);
+    // There is is a problem if these are still in use
+    wxASSERT(!m_handlerFocus || !m_handlerFocus->GetNextHandler());
+    wxASSERT(!m_handlerPopup || !m_handlerPopup->GetNextHandler());
+
+    if (!m_handlerPopup)
+        m_handlerPopup = new wxPopupWindowHandler(this);
 
-    m_child->CaptureMouse();
     m_child->PushEventHandler(m_handlerPopup);
 
     m_focus = winFocus ? winFocus : this;
     m_focus->SetFocus();
 
-#ifndef __WXX11__
-
 #ifdef __WXMSW__
     // MSW doesn't allow to set focus to the popup window, but we need to
     // subclass the window which has the focus, and not winFocus passed in or
     // otherwise everything else breaks down
     m_focus = FindFocus();
+#elif __WXGTK__
+    // GTK+ catches the activate events from the popup
+    // window, not the focus events from the child window
+    m_focus = this;
+#endif
+
     if ( m_focus )
-#endif // __WXMSW__
     {
-        delete m_handlerFocus;
-        m_handlerFocus = new wxPopupFocusHandler(this);
+        if (!m_handlerFocus)
+            m_handlerFocus = new wxPopupFocusHandler(this);
 
         m_focus->PushEventHandler(m_handlerFocus);
     }
 
-#endif // !__WXX11__
+    // 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);
+    if (m_focus)
+        m_focus->Connect(wxEVT_DESTROY,
+                         wxWindowDestroyEventHandler(wxPopupTransientWindow::OnDestroy),
+                         NULL, this);
 }
 
-void wxPopupTransientWindow::Dismiss()
+bool wxPopupTransientWindow::Show( bool show )
 {
-    PopHandlers();
+#ifdef __WXGTK__
+    if (!show)
+    {
+        gdk_pointer_ungrab( (guint32)GDK_CURRENT_TIME );
+
+        gtk_grab_remove( m_widget );
+    }
+#endif
+
+#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;
+}
+
+void wxPopupTransientWindow::Dismiss()
+{
     Hide();
+    PopHandlers();
 }
 
 void wxPopupTransientWindow::DismissAndNotify()
 {
     Dismiss();
-
     OnDismiss();
 }
 
@@ -295,8 +377,45 @@ void wxPopupTransientWindow::OnDismiss()
 bool wxPopupTransientWindow::ProcessLeftDown(wxMouseEvent& WXUNUSED(event))
 {
     // no special processing here
-    return FALSE;
+    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__)
 
@@ -324,7 +443,7 @@ 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
@@ -355,6 +474,11 @@ 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)
 {
@@ -443,19 +567,14 @@ 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)
 {
-#ifdef __WXGTK__
-    // ignore the next OnKillFocus() call
-    if ( time(NULL) < m_creationTime + 1 )
-    {
-        event.Skip();
-
-        return;
-    }
-#endif // __WXGTK__
-
     // when we lose focus we always disappear - unless it goes to the popup (in
     // which case we don't really lose it)
     wxWindow *win = event.GetWindow();