if we return GetSize() from DoGetBestSize(), remember it as min size as well to preve...

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

diff --git a/src/common/popupcmn.cpp b/src/common/popupcmn.cpp
index 8f7215b23518965df163d7bf46ea3d173e8f2cd4..5876f6b03c301d353083fdbaca6a8dc907c7a135 100644 (file)
--- a/src/common/popupcmn.cpp
+++ b/src/common/popupcmn.cpp
@@ -6,7 +6,7 @@
 // Created:     06.01.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Created:     06.01.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// License:     wxWindows license
+// License:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,8 +17,8 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
-    #pragma implementation "popupwin.h"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma implementation "popupwinbase.h"

 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #endif
 
 // For compilers that support precompilation, includes "wx.h".


@@ -34,12 +34,29 @@
 
 #ifndef WX_PRECOMP
     #include "wx/combobox.h"        // wxComboControl
 
 #ifndef WX_PRECOMP
     #include "wx/combobox.h"        // wxComboControl

+    #include "wx/app.h"             // wxPostEvent
+    #include "wx/log.h"
+    #include "wx/app.h"

 #endif //WX_PRECOMP
 
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/renderer.h"
 #endif // __WXUNIVERSAL__
 
 #endif //WX_PRECOMP
 
 #ifdef __WXUNIVERSAL__
     #include "wx/univ/renderer.h"
 #endif // __WXUNIVERSAL__
 

+#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__)
+    IMPLEMENT_DYNAMIC_CLASS(wxPopupComboWindow, wxPopupTransientWindow)
+#endif
+

 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------


@@ -49,7 +66,8 @@
 class wxPopupWindowHandler : public wxEvtHandler
 {
 public:
 class wxPopupWindowHandler : public wxEvtHandler
 {
 public:

-    wxPopupWindowHandler(wxPopupTransientWindow *popup) { m_popup = popup; }
+    wxPopupWindowHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
+    ~wxPopupWindowHandler();

 
 protected:
     // event handlers
 
 protected:
     // event handlers


@@ -59,21 +77,24 @@ private:
     wxPopupTransientWindow *m_popup;
 
     DECLARE_EVENT_TABLE()
     wxPopupTransientWindow *m_popup;
 
     DECLARE_EVENT_TABLE()

+    DECLARE_NO_COPY_CLASS(wxPopupWindowHandler)

 };
 
 class wxPopupFocusHandler : public wxEvtHandler
 {
 public:
 };
 
 class wxPopupFocusHandler : public wxEvtHandler
 {
 public:

-    wxPopupFocusHandler(wxPopupTransientWindow *popup) { m_popup = popup; }
+    wxPopupFocusHandler(wxPopupTransientWindow *popup) : m_popup(popup) {}
+    ~wxPopupFocusHandler();

 
 protected:
 
 protected:

-    // event handlers

     void OnKillFocus(wxFocusEvent& event);
     void OnKillFocus(wxFocusEvent& event);

+    void OnKeyDown(wxKeyEvent& event);

 
 private:
     wxPopupTransientWindow *m_popup;
 
     DECLARE_EVENT_TABLE()
 
 private:
     wxPopupTransientWindow *m_popup;
 
     DECLARE_EVENT_TABLE()

+    DECLARE_NO_COPY_CLASS(wxPopupFocusHandler)

 };
 
 // ----------------------------------------------------------------------------
 };
 
 // ----------------------------------------------------------------------------


@@ -86,6 +107,13 @@ END_EVENT_TABLE()
 
 BEGIN_EVENT_TABLE(wxPopupFocusHandler, wxEvtHandler)
     EVT_KILL_FOCUS(wxPopupFocusHandler::OnKillFocus)
 
 BEGIN_EVENT_TABLE(wxPopupFocusHandler, wxEvtHandler)
     EVT_KILL_FOCUS(wxPopupFocusHandler::OnKillFocus)

+    EVT_KEY_DOWN(wxPopupFocusHandler::OnKeyDown)
+END_EVENT_TABLE()
+
+BEGIN_EVENT_TABLE(wxPopupTransientWindow, wxPopupWindow)
+#ifdef __WXMSW__
+    EVT_IDLE(wxPopupTransientWindow::OnIdle)
+#endif

 END_EVENT_TABLE()
 
 // ============================================================================
 END_EVENT_TABLE()
 
 // ============================================================================


@@ -96,9 +124,14 @@ END_EVENT_TABLE()
 // wxPopupWindowBase
 // ----------------------------------------------------------------------------
 
 // wxPopupWindowBase
 // ----------------------------------------------------------------------------
 

+wxPopupWindowBase::~wxPopupWindowBase()
+{
+    // this destructor is required for Darwin
+}
+

 bool wxPopupWindowBase::Create(wxWindow* WXUNUSED(parent), int WXUNUSED(flags))
 {
 bool wxPopupWindowBase::Create(wxWindow* WXUNUSED(parent), int WXUNUSED(flags))
 {

-    return TRUE;
+    return true;

 }
 
 void wxPopupWindowBase::Position(const wxPoint& ptOrigin,
 }
 
 void wxPopupWindowBase::Position(const wxPoint& ptOrigin,


@@ -145,34 +178,56 @@ void wxPopupTransientWindow::Init()
 {
     m_child =
     m_focus = (wxWindow *)NULL;
 {
     m_child =
     m_focus = (wxWindow *)NULL;

+
+    m_handlerFocus = NULL;
+    m_handlerPopup = NULL;

 }
 
 }
 

-wxPopupTransientWindow::wxPopupTransientWindow(wxWindow *parent)
+wxPopupTransientWindow::wxPopupTransientWindow(wxWindow *parent, int style)

 {
     Init();
 
 {
     Init();
 

-    (void)Create(parent);
+    (void)Create(parent, style);

 }
 
 wxPopupTransientWindow::~wxPopupTransientWindow()
 {
 }
 
 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;

 }
 
 void wxPopupTransientWindow::PopHandlers()
 {
     if ( m_child )
     {
 }
 
 void wxPopupTransientWindow::PopHandlers()
 {
     if ( m_child )
     {

-        m_child->PopEventHandler(TRUE /* delete it */);
-        m_child->ReleaseMouse();
+        if ( !m_child->RemoveEventHandler(m_handlerPopup) )
+        {
+            // something is very wrong and someone else probably deleted our
+            // handler - so don't risk deleting it second time
+            m_handlerPopup = NULL;
+        }
+        if (m_child->HasCapture())
+        {       
+            m_child->ReleaseMouse();
+        }

         m_child = NULL;
     }
 
     if ( m_focus )
     {
         m_child = NULL;
     }
 
     if ( m_focus )
     {

-        m_focus->PopEventHandler(TRUE /* delete it */);
-        m_focus = NULL;
+        if ( !m_focus->RemoveEventHandler(m_handlerFocus) )
+        {
+            // see above
+            m_handlerFocus = NULL;
+        }

     }
     }

+    m_focus = NULL;

 }
 
 void wxPopupTransientWindow::Popup(wxWindow *winFocus)
 }
 
 void wxPopupTransientWindow::Popup(wxWindow *winFocus)


@@ -187,27 +242,130 @@ void wxPopupTransientWindow::Popup(wxWindow *winFocus)
         m_child = this;
     }
 
         m_child = this;
     }
 

-    m_child->CaptureMouse();
-    m_child->PushEventHandler(new wxPopupWindowHandler(this));
-

     Show();
 
     Show();
 

+    // 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->PushEventHandler(m_handlerPopup);
+

     m_focus = winFocus ? winFocus : this;
     m_focus = winFocus ? winFocus : this;

-    m_focus->PushEventHandler(new wxPopupFocusHandler(this));

     m_focus->SetFocus();
     m_focus->SetFocus();

+
+#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 )
+    {
+        if (!m_handlerFocus)
+            m_handlerFocus = new wxPopupFocusHandler(this);
+
+        m_focus->PushEventHandler(m_handlerFocus);
+    }
+
+    // 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();
     Hide();

+    PopHandlers();

 }
 
 void wxPopupTransientWindow::DismissAndNotify()
 {
     Dismiss();
 }
 
 void wxPopupTransientWindow::DismissAndNotify()
 {
     Dismiss();

-

     OnDismiss();
 }
 
     OnDismiss();
 }
 


@@ -219,15 +377,56 @@ void wxPopupTransientWindow::OnDismiss()
 bool wxPopupTransientWindow::ProcessLeftDown(wxMouseEvent& WXUNUSED(event))
 {
     // no special processing here
 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
+#if wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)

 
 // ----------------------------------------------------------------------------
 // wxPopupComboWindow
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // wxPopupComboWindow
 // ----------------------------------------------------------------------------
 

+BEGIN_EVENT_TABLE(wxPopupComboWindow, wxPopupTransientWindow)
+    EVT_KEY_DOWN(wxPopupComboWindow::OnKeyDown)
+END_EVENT_TABLE()
+

 wxPopupComboWindow::wxPopupComboWindow(wxComboControl *parent)
                   : wxPopupTransientWindow(parent)
 {
 wxPopupComboWindow::wxPopupComboWindow(wxComboControl *parent)
                   : wxPopupTransientWindow(parent)
 {


@@ -244,9 +443,9 @@ bool wxPopupComboWindow::Create(wxComboControl *parent)
 void wxPopupComboWindow::PositionNearCombo()
 {
     // the origin point must be in screen coords
 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));

 
 

-#ifdef __WXUNIVERSAL__
+#if 0 //def __WXUNIVERSAL__

     // account for the fact that (0, 0) is not the top left corner of the
     // window: there is also the border
     wxRect rectBorders = m_combo->GetRenderer()->
     // account for the fact that (0, 0) is not the top left corner of the
     // window: there is also the border
     wxRect rectBorders = m_combo->GetRenderer()->


@@ -265,11 +464,21 @@ void wxPopupComboWindow::OnDismiss()
     m_combo->OnDismiss();
 }
 
     m_combo->OnDismiss();
 }
 

-#endif // wxUSE_COMBOBOX
+void wxPopupComboWindow::OnKeyDown(wxKeyEvent& event)
+{
+    m_combo->ProcessEvent(event);
+}
+
+#endif // wxUSE_COMBOBOX && defined(__WXUNIVERSAL__)

 
 // ----------------------------------------------------------------------------
 // wxPopupWindowHandler
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxPopupWindowHandler
 // ----------------------------------------------------------------------------

+wxPopupWindowHandler::~wxPopupWindowHandler()
+{
+    if (m_popup && (m_popup->m_handlerPopup == this))
+        m_popup->m_handlerPopup = NULL;
+}

 
 void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 {
 
 void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 {


@@ -286,13 +495,37 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
     wxWindow *sbar = NULL;
 
     wxWindow *win = (wxWindow *)event.GetEventObject();
     wxWindow *sbar = NULL;
 
     wxWindow *win = (wxWindow *)event.GetEventObject();

+

     switch ( win->HitTest(pos.x, pos.y) )
     {
         case wxHT_WINDOW_OUTSIDE:
     switch ( win->HitTest(pos.x, pos.y) )
     {
         case wxHT_WINDOW_OUTSIDE:

-            // clicking outside a popup dismisses it
-            m_popup->DismissAndNotify();
+            {
+                // do the coords translation now as after DismissAndNotify()
+                // m_popup may be destroyed
+                wxMouseEvent event2(event);
+
+                m_popup->ClientToScreen(&event2.m_x, &event2.m_y);
+
+                // clicking outside a popup dismisses it
+                m_popup->DismissAndNotify();
+
+                // dismissing a tooltip shouldn't waste a click, i.e. you
+                // should be able to dismiss it and press the button with the
+                // same click, so repost this event to the window beneath us
+                wxWindow *win = wxFindWindowAtPoint(event2.GetPosition());
+                if ( win )
+                {
+                    // translate the event coords to the ones of the window
+                    // which is going to get the event
+                    win->ScreenToClient(&event2.m_x, &event2.m_y);
+
+                    event2.SetEventObject(win);
+                    wxPostEvent(win, event2);
+                }
+            }

             break;
 
             break;
 

+#ifdef __WXUNIVERSAL__

         case wxHT_WINDOW_HORZ_SCROLLBAR:
             sbar = win->GetScrollbar(wxHORIZONTAL);
             break;
         case wxHT_WINDOW_HORZ_SCROLLBAR:
             sbar = win->GetScrollbar(wxHORIZONTAL);
             break;


@@ -300,6 +533,7 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
         case wxHT_WINDOW_VERT_SCROLLBAR:
             sbar = win->GetScrollbar(wxVERTICAL);
             break;
         case wxHT_WINDOW_VERT_SCROLLBAR:
             sbar = win->GetScrollbar(wxVERTICAL);
             break;

+#endif

 
         default:
             // forgot to update the switch after adding a new hit test code?
 
         default:
             // forgot to update the switch after adding a new hit test code?


@@ -333,11 +567,36 @@ void wxPopupWindowHandler::OnLeftDown(wxMouseEvent& event)
 // ----------------------------------------------------------------------------
 // wxPopupFocusHandler
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxPopupFocusHandler
 // ----------------------------------------------------------------------------

+wxPopupFocusHandler::~wxPopupFocusHandler()
+{
+    if (m_popup && (m_popup->m_handlerFocus == this))
+        m_popup->m_handlerFocus = NULL;
+}

 
 void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event)
 {
 
 void wxPopupFocusHandler::OnKillFocus(wxFocusEvent& event)
 {

-    // when we lose focus we always disappear
+    // 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();
+    while ( win )
+    {
+        if ( win == m_popup )
+            return;
+        win = win->GetParent();
+    }
+

     m_popup->DismissAndNotify();
 }
 
     m_popup->DismissAndNotify();
 }
 

+void wxPopupFocusHandler::OnKeyDown(wxKeyEvent& event)
+{
+    // let the window have it first, it might process the keys
+    if ( !m_popup->ProcessEvent(event) )
+    {
+        // by default, dismiss the popup
+        m_popup->DismissAndNotify();
+    }
+}
+

 #endif // wxUSE_POPUPWIN
 #endif // wxUSE_POPUPWIN

+