X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f7f97bf31cf094c5970ee7cdeae5cc9becd877e4..58dc544700817a40908f98bb8a223ae78fceeca6:/src/common/bookctrl.cpp

diff --git a/src/common/bookctrl.cpp b/src/common/bookctrl.cpp
index b04136183e..8d86c5343e 100644
--- a/src/common/bookctrl.cpp
+++ b/src/common/bookctrl.cpp
@@ -1,6 +1,6 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        common/bookctrl.cpp
-// Purpose:     wxBookCtrl implementation
+// Name:        src/common/bookctrl.cpp
+// Purpose:     wxBookCtrlBase implementation
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     19.08.03
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "bookctrl.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -38,18 +34,41 @@
 // implementation
 // ============================================================================
 
+// ----------------------------------------------------------------------------
+// event table
+// ----------------------------------------------------------------------------
+
+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()
+
 // ----------------------------------------------------------------------------
 // constructors and destructors
 // ----------------------------------------------------------------------------
 
-void wxBookCtrl::Init()
+void wxBookCtrlBase::Init()
 {
-    m_imageList = NULL;
-    m_ownsImageList = false;
+    m_selection = wxNOT_FOUND;
+    m_bookctrl = NULL;
+    m_fitToCurrentPage = false;
+
+#if defined(__WXWINCE__)
+    m_internalBorder = 1;
+#else
+    m_internalBorder = 5;
+#endif
+
+    m_controlMargin = 0;
+    m_controlSizer = NULL;
 }
 
 bool
-wxBookCtrl::Create(wxWindow *parent,
+wxBookCtrlBase::Create(wxWindow *parent,
                        wxWindowID id,
                        const wxPoint& pos,
                        const wxSize& size,
@@ -68,114 +87,328 @@ wxBookCtrl::Create(wxWindow *parent,
                      );
 }
 
-wxBookCtrl::~wxBookCtrl()
+// ----------------------------------------------------------------------------
+// geometry
+// ----------------------------------------------------------------------------
+
+void wxBookCtrlBase::DoInvalidateBestSize()
+{
+    // notice that it is not necessary to invalidate our own best size
+    // explicitly if we have m_bookctrl as it will already invalidate the best
+    // size of its parent when its own size is invalidated and its parent is
+    // this control
+    if ( m_bookctrl )
+        m_bookctrl->InvalidateBestSize();
+    else
+        wxControl::InvalidateBestSize();
+}
+
+wxSize wxBookCtrlBase::CalcSizeFromPage(const wxSize& sizePage) const
+{
+    // Add the size of the controller and the border between if it's shown.
+    if ( !m_bookctrl || !m_bookctrl->IsShown() )
+        return sizePage;
+
+    // Notice that the controller size is its current size while we really want
+    // to have its best size. So we only take into account its size in the
+    // direction in which we should add it but not in the other one, where the
+    // controller size is determined by the size of wxBookCtrl itself.
+    const wxSize sizeController = GetControllerSize();
+
+    wxSize size = sizePage;
+    if ( IsVertical() )
+        size.y += sizeController.y + GetInternalBorder();
+    else // left/right aligned
+        size.x += sizeController.x + GetInternalBorder();
+
+    return size;
+}
+
+void wxBookCtrlBase::SetPageSize(const wxSize& size)
+{
+    SetClientSize(CalcSizeFromPage(size));
+}
+
+wxSize wxBookCtrlBase::DoGetBestSize() const
 {
-    if ( m_ownsImageList )
+    wxSize bestSize;
+
+    if (m_fitToCurrentPage && GetCurrentPage())
+    {
+        bestSize = GetCurrentPage()->GetBestSize();
+    }
+    else
     {
-        // may be NULL, ok
-        delete m_imageList;
+        // iterate over all pages, get the largest width and height
+        const size_t nCount = m_pages.size();
+        for ( size_t nPage = 0; nPage < nCount; nPage++ )
+        {
+            const wxWindow * const pPage = m_pages[nPage];
+            if ( pPage )
+                bestSize.IncTo(pPage->GetBestSize());
+        }
     }
+
+    // convert display area to window area, adding the size necessary for the
+    // tabs
+    wxSize best = CalcSizeFromPage(bestSize);
+    CacheBestSize(best);
+    return best;
 }
 
-// ----------------------------------------------------------------------------
-// image list
-// ----------------------------------------------------------------------------
+wxRect wxBookCtrlBase::GetPageRect() const
+{
+    const wxSize size = GetControllerSize();
+
+    wxPoint pt;
+    wxRect rectPage(pt, GetClientSize());
+
+    switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
+    {
+        default:
+            wxFAIL_MSG( wxT("unexpected alignment") );
+            // fall through
+
+        case wxBK_TOP:
+            rectPage.y = size.y + GetInternalBorder();
+            // fall through
+
+        case wxBK_BOTTOM:
+            rectPage.height -= size.y + GetInternalBorder();
+            if (rectPage.height < 0)
+                rectPage.height = 0;
+            break;
+
+        case wxBK_LEFT:
+            rectPage.x = size.x + GetInternalBorder();
+            // fall through
+
+        case wxBK_RIGHT:
+            rectPage.width -= size.x + GetInternalBorder();
+            if (rectPage.width < 0)
+                rectPage.width = 0;
+            break;
+    }
 
-void wxBookCtrl::SetImageList(wxImageList *imageList)
+    return rectPage;
+}
+
+// Lay out controls
+void wxBookCtrlBase::DoSize()
 {
-    if ( m_ownsImageList )
+    if ( !m_bookctrl )
+    {
+        // we're not fully created yet or OnSize() should be hidden by derived class
+        return;
+    }
+
+    if (GetSizer())
+        Layout();
+    else
     {
-        // may be NULL, ok
-        delete m_imageList;
+        // 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 );
+        // if this changes the visibility of the scrollbars the best size changes, relayout in this case
+        wxSize sizeCtrl2 = GetControllerSize();
+        if ( sizeCtrl != sizeCtrl2 )
+        {
+            wxSize sizeBorder2 = m_bookctrl->GetSize() - m_bookctrl->GetClientSize();
+            m_bookctrl->SetClientSize( sizeCtrl2.x - sizeBorder2.x, sizeCtrl2.y - sizeBorder2.y );
+        }
+
+        const wxSize sizeNew = m_bookctrl->GetSize();
+        wxPoint posCtrl;
+        switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
+        {
+            default:
+                wxFAIL_MSG( wxT("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;
+        }
+
+        if ( m_bookctrl->GetPosition() != posCtrl )
+            m_bookctrl->Move(posCtrl);
+    }
 
-        m_ownsImageList = false;
+    // resize all pages to fit the new control size
+    const wxRect pageRect = GetPageRect();
+    const unsigned pagesCount = m_pages.GetCount();
+    for ( unsigned int i = 0; i < pagesCount; ++i )
+    {
+        wxWindow * const page = m_pages[i];
+        if ( !page )
+        {
+            wxASSERT_MSG( AllowNullPage(),
+                wxT("Null page in a control that does not allow null pages?") );
+            continue;
+        }
+
+        page->SetSize(pageRect);
     }
+}
+
+void wxBookCtrlBase::OnSize(wxSizeEvent& event)
+{
+    event.Skip();
 
-    m_imageList = imageList;
+    DoSize();
 }
 
-void wxBookCtrl::AssignImageList(wxImageList* imageList)
+wxSize wxBookCtrlBase::GetControllerSize() const
 {
-    SetImageList(imageList);
+    // For at least some book controls (e.g. wxChoicebook) it may make sense to
+    // (temporarily?) hide the controller and we shouldn't leave extra space
+    // for the hidden control in this case.
+    if ( !m_bookctrl || !m_bookctrl->IsShown() )
+        return wxSize(0, 0);
+
+    const wxSize sizeClient = GetClientSize();
+
+    wxSize size;
 
-    m_ownsImageList = true;
+    // Ask for the best width/height considering the other direction.
+    if ( IsVertical() )
+    {
+        size.x = sizeClient.x;
+        size.y = m_bookctrl->GetBestHeight(sizeClient.x);
+    }
+    else // left/right aligned
+    {
+        size.x = m_bookctrl->GetBestWidth(sizeClient.y);
+        size.y = sizeClient.y;
+    }
+
+    return size;
 }
 
 // ----------------------------------------------------------------------------
-// geometry
+// miscellaneous stuff
 // ----------------------------------------------------------------------------
 
-void wxBookCtrl::SetPageSize(const wxSize& size)
-{
-    SetClientSize(CalcSizeFromPage(size));
-}
+#if wxUSE_HELP
 
-wxSize wxBookCtrl::DoGetBestSize() const
+void wxBookCtrlBase::OnHelp(wxHelpEvent& event)
 {
-    wxSize bestSize;
-
-    // iterate over all pages, get the largest width and height
-    const size_t nCount = m_pages.size();
-    for ( size_t nPage = 0; nPage < nCount; nPage++ )
+    // 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 )
     {
-        wxWindow *pPage = m_pages[nPage];
-        wxSize childBestSize(pPage->GetBestSize());
-
-        if ( childBestSize.x > bestSize.x )
-            bestSize.x = childBestSize.x;
+        source = source->GetParent();
+    }
 
-        if ( childBestSize.y > bestSize.y )
-            bestSize.y = childBestSize.y;
+    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
 
-    // convert display area to window area, adding the size neccessary for the
-    // tabs
-    return CalcSizeFromPage(bestSize);
+    event.Skip();
 }
 
+#endif // wxUSE_HELP
+
 // ----------------------------------------------------------------------------
 // pages management
 // ----------------------------------------------------------------------------
 
 bool
-wxBookCtrl::InsertPage(size_t nPage,
-                       wxWindow *page,
-                       const wxString& WXUNUSED(text),
-                       bool WXUNUSED(bSelect),
-                       int WXUNUSED(imageId))
+wxBookCtrlBase::InsertPage(size_t nPage,
+                           wxWindow *page,
+                           const wxString& WXUNUSED(text),
+                           bool WXUNUSED(bSelect),
+                           int WXUNUSED(imageId))
 {
-    wxCHECK_MSG( page, false, _T("NULL page in wxBookCtrl::InsertPage()") );
+    wxCHECK_MSG( page || AllowNullPage(), false,
+                 wxT("NULL page in wxBookCtrlBase::InsertPage()") );
     wxCHECK_MSG( nPage <= m_pages.size(), false,
-                 _T("invalid page index in wxBookCtrl::InsertPage()") );
+                 wxT("invalid page index in wxBookCtrlBase::InsertPage()") );
 
     m_pages.Insert(page, nPage);
+    if ( page )
+        page->SetSize(GetPageRect());
+
+    DoInvalidateBestSize();
 
     return true;
 }
 
-bool wxBookCtrl::DeletePage(size_t nPage)
+bool wxBookCtrlBase::DeletePage(size_t nPage)
 {
     wxWindow *page = DoRemovePage(nPage);
-    if ( !page )
+    if ( !(page || AllowNullPage()) )
         return false;
 
+    // delete NULL is harmless
     delete page;
 
     return true;
 }
 
-wxWindow *wxBookCtrl::DoRemovePage(size_t nPage)
+wxWindow *wxBookCtrlBase::DoRemovePage(size_t nPage)
 {
     wxCHECK_MSG( nPage < m_pages.size(), NULL,
-                 _T("invalid page index in wxBookCtrl::DoRemovePage()") );
+                 wxT("invalid page index in wxBookCtrlBase::DoRemovePage()") );
 
     wxWindow *pageRemoved = m_pages[nPage];
     m_pages.RemoveAt(nPage);
+    DoInvalidateBestSize();
 
     return pageRemoved;
 }
 
-int wxBookCtrl::GetNextPage(bool forward) const
+int wxBookCtrlBase::GetNextPage(bool forward) const
 {
     int nPage;
 
@@ -192,11 +425,104 @@ int wxBookCtrl::GetNextPage(bool forward) const
     }
     else // notebook is empty, no next page
     {
-        nPage = -1;
+        nPage = wxNOT_FOUND;
     }
 
     return nPage;
 }
 
-#endif // wxUSE_BOOKCTRL
+int wxBookCtrlBase::FindPage(const wxWindow* page) const
+{
+    const size_t nCount = m_pages.size();
+    for ( size_t nPage = 0; nPage < nCount; nPage++ )
+    {
+        if ( m_pages[nPage] == page )
+            return (int)nPage;
+    }
+
+    return wxNOT_FOUND;
+}
+
+bool wxBookCtrlBase::DoSetSelectionAfterInsertion(size_t n, bool bSelect)
+{
+    if ( bSelect )
+        SetSelection(n);
+    else if ( m_selection == wxNOT_FOUND )
+        ChangeSelection(0);
+    else // We're not going to select this page.
+        return false;
+
+    // Return true to indicate that we selected this page.
+    return true;
+}
+
+void wxBookCtrlBase::DoSetSelectionAfterRemoval(size_t n)
+{
+    if ( m_selection >= (int)n )
+    {
+        // ensure that the selection is valid
+        int sel;
+        if ( GetPageCount() == 0 )
+            sel = wxNOT_FOUND;
+        else
+            sel = m_selection ? m_selection - 1 : 0;
+
+        // if deleting current page we shouldn't try to hide it
+        m_selection = m_selection == (int)n ? wxNOT_FOUND
+                                            : m_selection - 1;
+
+        if ( sel != wxNOT_FOUND && sel != m_selection )
+            SetSelection(sel);
+    }
+}
+
+int wxBookCtrlBase::DoSetSelection(size_t n, int flags)
+{
+    wxCHECK_MSG( n < GetPageCount(), wxNOT_FOUND,
+                 wxT("invalid page index in wxBookCtrlBase::DoSetSelection()") );
+
+    const int oldSel = GetSelection();
+
+    if ( n != (size_t)oldSel )
+    {
+        wxBookCtrlEvent *event = CreatePageChangingEvent();
+        bool allowed = false;
+
+        if ( flags & SetSelection_SendEvent )
+        {
+            event->SetSelection(n);
+            event->SetOldSelection(oldSel);
+            event->SetEventObject(this);
+
+            allowed = !GetEventHandler()->ProcessEvent(*event) || event->IsAllowed();
+        }
+
+        if ( !(flags & SetSelection_SendEvent) || allowed)
+        {
+            if ( oldSel != wxNOT_FOUND )
+                DoShowPage(m_pages[oldSel], false);
+
+            wxWindow *page = m_pages[n];
+            page->SetSize(GetPageRect());
+            DoShowPage(page, true);
+
+            // change selection now to ignore the selection change event
+            UpdateSelectedPage(n);
+
+            if ( flags & SetSelection_SendEvent )
+            {
+                // program allows the page change
+                MakeChangedEvent(*event);
+                (void)GetEventHandler()->ProcessEvent(*event);
+            }
+        }
+
+        delete event;
+    }
+
+    return oldSel;
+}
+
+IMPLEMENT_DYNAMIC_CLASS(wxBookCtrlEvent, wxNotifyEvent)
 
+#endif // wxUSE_BOOKCTRL