corrected date in header; removed extra wx/wxprec.h inclusion

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

diff --git a/src/common/bookctrl.cpp b/src/common/bookctrl.cpp
index f22559cb9857d9094d7df8e07e8b716e7c40721b..ffae3d708da7c67332915c8397b6fb52c422a9ff 100644 (file)
--- a/src/common/bookctrl.cpp
+++ b/src/common/bookctrl.cpp
@@ -42,6 +42,9 @@ IMPLEMENT_ABSTRACT_CLASS(wxBookCtrlBase, wxControl)
 
 BEGIN_EVENT_TABLE(wxBookCtrlBase, wxControl)
     EVT_SIZE(wxBookCtrlBase::OnSize)
+#if wxUSE_HELP
+    EVT_HELP(wxID_ANY, wxBookCtrlBase::OnHelp)
+#endif // wxUSE_HELP
 END_EVENT_TABLE()
 
 // ----------------------------------------------------------------------------
@@ -60,6 +63,9 @@ void wxBookCtrlBase::Init()
 #else
     m_internalBorder = 5;
 #endif
+
+    m_controlMargin = 0;
+    m_controlSizer = NULL;
 }
 
 bool
@@ -144,7 +150,7 @@ wxSize wxBookCtrlBase::DoGetBestSize() const
                 bestSize.y = childBestSize.y;
         }
     }
-    
+
     if (m_fitToCurrentPage && GetCurrentPage())
         bestSize = GetCurrentPage()->GetBestSize();
 
@@ -155,6 +161,64 @@ wxSize wxBookCtrlBase::DoGetBestSize() const
     return best;
 }
 
+#if wxUSE_HELP
+
+void wxBookCtrlBase::OnHelp(wxHelpEvent& event)
+{
+    // determine where does this even originate from to avoid redirecting it
+    // back to the page which generated it (resulting in an infinite loop)
+
+    // notice that we have to check in the hard(er) way instead of just testing
+    // if the event object == this because the book control can have other
+    // subcontrols inside it (e.g. wxSpinButton in case of a notebook in wxUniv)
+    wxWindow *source = wxStaticCast(event.GetEventObject(), wxWindow);
+    while ( source && source != this && source->GetParent() != this )
+    {
+        source = source->GetParent();
+    }
+
+    if ( source && m_pages.Index(source) == wxNOT_FOUND )
+    {
+        // this event is for the book control itself, redirect it to the
+        // corresponding page
+        wxWindow *page = NULL;
+
+        if ( event.GetOrigin() == wxHelpEvent::Origin_HelpButton )
+        {
+            // show help for the page under the mouse
+            const int pagePos = HitTest(ScreenToClient(event.GetPosition()));
+
+            if ( pagePos != wxNOT_FOUND)
+            {
+                page = GetPage((size_t)pagePos);
+            }
+        }
+        else // event from keyboard or unknown source
+        {
+            // otherwise show the current page help
+            page = GetCurrentPage();
+        }
+
+        if ( page )
+        {
+            // change event object to the page to avoid infinite recursion if
+            // we get this event ourselves if the page doesn't handle it
+            event.SetEventObject(page);
+
+            if ( page->GetEventHandler()->ProcessEvent(event) )
+            {
+                // don't call event.Skip()
+                return;
+            }
+        }
+    }
+    //else: event coming from one of our pages already
+
+    event.Skip();
+}
+
+#endif // wxUSE_HELP
+
 // ----------------------------------------------------------------------------
 // pages management
 // ----------------------------------------------------------------------------
@@ -172,6 +236,9 @@ wxBookCtrlBase::InsertPage(size_t nPage,
                  _T("invalid page index in wxBookCtrlBase::InsertPage()") );
 
     m_pages.Insert(page, nPage);
+    if ( page )
+        page->SetSize(GetPageRect());
+
     InvalidateBestSize();
 
     return true;
@@ -230,6 +297,7 @@ wxRect wxBookCtrlBase::GetPageRect() const
 
     wxPoint pt;
     wxRect rectPage(pt, GetClientSize());
+
     switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
     {
         default:
@@ -242,6 +310,8 @@ wxRect wxBookCtrlBase::GetPageRect() const
 
         case wxBK_BOTTOM:
             rectPage.height -= size.y + GetInternalBorder();
+            if (rectPage.height < 0)
+                rectPage.height = 0;
             break;
 
         case wxBK_LEFT:
@@ -250,6 +320,8 @@ wxRect wxBookCtrlBase::GetPageRect() const
 
         case wxBK_RIGHT:
             rectPage.width -= size.x + GetInternalBorder();
+            if (rectPage.width < 0)
+                rectPage.width = 0;
             break;
     }
 
@@ -265,51 +337,64 @@ void wxBookCtrlBase::DoSize()
         return;
     }
 
-    // resize controller and the page area to fit inside our new size
-    const wxSize sizeClient( GetClientSize() ),
-                 sizeBorder( m_bookctrl->GetSize() - m_bookctrl->GetClientSize() ),
-                 sizeCtrl( GetControllerSize() );
-
-    m_bookctrl->SetClientSize( sizeCtrl.x - sizeBorder.x, sizeCtrl.y - sizeBorder.y );
-
-    const wxSize sizeNew = m_bookctrl->GetSize();
-    wxPoint posCtrl;
-    switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
+    if (GetSizer())
+        Layout();
+    else
     {
-        default:
-            wxFAIL_MSG( _T("unexpected alignment") );
-            // fall through
+        // resize controller and the page area to fit inside our new size
+        const wxSize sizeClient( GetClientSize() ),
+                    sizeBorder( m_bookctrl->GetSize() - m_bookctrl->GetClientSize() ),
+                    sizeCtrl( GetControllerSize() );
 
-        case wxBK_TOP:
-        case wxBK_LEFT:
-            // posCtrl is already ok
-            break;
+        m_bookctrl->SetClientSize( sizeCtrl.x - sizeBorder.x, sizeCtrl.y - sizeBorder.y );
 
-        case wxBK_BOTTOM:
-            posCtrl.y = sizeClient.y - sizeNew.y;
-            break;
+        const wxSize sizeNew = m_bookctrl->GetSize();
+        wxPoint posCtrl;
+        switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
+        {
+            default:
+                wxFAIL_MSG( _T("unexpected alignment") );
+                // fall through
+
+            case wxBK_TOP:
+            case wxBK_LEFT:
+                // posCtrl is already ok
+                break;
+
+            case wxBK_BOTTOM:
+                posCtrl.y = sizeClient.y - sizeNew.y;
+                break;
+
+            case wxBK_RIGHT:
+                posCtrl.x = sizeClient.x - sizeNew.x;
+                break;
+        }
 
-        case wxBK_RIGHT:
-            posCtrl.x = sizeClient.x - sizeNew.x;
-            break;
+        if ( m_bookctrl->GetPosition() != posCtrl )
+            m_bookctrl->Move(posCtrl);
     }
 
-    if ( m_bookctrl->GetPosition() != posCtrl )
-        m_bookctrl->Move(posCtrl);
-
-    // resize the currently shown page
-    if (GetSelection() != wxNOT_FOUND )
+    // resize all pages to fit the new control size
+    const wxRect pageRect = GetPageRect();
+    const unsigned pagesCount = m_pages.Count();
+    for ( unsigned int i = 0; i < pagesCount; ++i )
     {
-        wxWindow *page = m_pages[GetSelection()];
-        wxCHECK_RET( page, _T("NULL page?") );
-        page->SetSize(GetPageRect());
+        wxWindow * const page = m_pages[i];
+        if ( !page )
+        {
+            wxASSERT_MSG( AllowNullPage(),
+                _T("Null page in a control that does not allow null pages?") );
+            continue;
+        }
+
+        page->SetSize(pageRect);
     }
 }
 
 void wxBookCtrlBase::OnSize(wxSizeEvent& event)
 {
     event.Skip();
-    
+
     DoSize();
 }