///////////////////////////////////////////////////////////////////////////////
-// Name: common/bookctrl.cpp
+// Name: src/common/bookctrl.cpp
// Purpose: wxBookCtrlBase implementation
// Author: Vadim Zeitlin
// Modified by:
// 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"
// 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 wxBookCtrlBase::Init()
{
+ m_selection = wxNOT_FOUND;
+ m_bookctrl = NULL;
m_imageList = NULL;
m_ownsImageList = false;
+ m_fitToCurrentPage = false;
+
+#if defined(__WXWINCE__)
+ m_internalBorder = 1;
+#else
+ m_internalBorder = 5;
+#endif
+
+ m_controlMargin = 0;
+ m_controlSizer = NULL;
}
bool
// 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
+{
+ // we need to add the size of the choice control and the border between
+ const wxSize sizeController = GetControllerSize();
+
+ wxSize size = sizePage;
+ if ( IsVertical() )
+ {
+ if ( sizeController.x > sizePage.x )
+ size.x = sizeController.x;
+ size.y += sizeController.y + GetInternalBorder();
+ }
+ else // left/right aligned
+ {
+ size.x += sizeController.x + GetInternalBorder();
+ if ( sizeController.y > sizePage.y )
+ size.y = sizeController.y;
+ }
+
+ return size;
+}
+
void wxBookCtrlBase::SetPageSize(const wxSize& size)
{
SetClientSize(CalcSizeFromPage(size));
const size_t nCount = m_pages.size();
for ( size_t nPage = 0; nPage < nCount; nPage++ )
{
- wxWindow *pPage = m_pages[nPage];
- wxSize childBestSize(pPage->GetBestSize());
+ const wxWindow * const pPage = m_pages[nPage];
+ if( pPage )
+ {
+ wxSize childBestSize(pPage->GetBestSize());
- if ( childBestSize.x > bestSize.x )
- bestSize.x = childBestSize.x;
+ if ( childBestSize.x > bestSize.x )
+ bestSize.x = childBestSize.x;
- if ( childBestSize.y > bestSize.y )
- bestSize.y = childBestSize.y;
+ if ( childBestSize.y > bestSize.y )
+ bestSize.y = childBestSize.y;
+ }
}
- // convert display area to window area, adding the size neccessary for the
+ if (m_fitToCurrentPage && GetCurrentPage())
+ bestSize = GetCurrentPage()->GetBestSize();
+
+ // convert display area to window area, adding the size necessary for the
// tabs
wxSize best = CalcSizeFromPage(bestSize);
CacheBestSize(best);
return best;
}
+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;
+ }
+
+ return rectPage;
+}
+
+// Lay out controls
+void wxBookCtrlBase::DoSize()
+{
+ if ( !m_bookctrl )
+ {
+ // we're not fully created yet or OnSize() should be hidden by derived class
+ return;
+ }
+
+ if (GetSizer())
+ Layout();
+ else
+ {
+ // 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);
+ }
+
+ // 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();
+
+ DoSize();
+}
+
+wxSize wxBookCtrlBase::GetControllerSize() const
+{
+ // 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(),
+ sizeCtrl = m_bookctrl->GetBestSize();
+
+ wxSize size;
+
+ if ( IsVertical() )
+ {
+ size.x = sizeClient.x;
+ size.y = sizeCtrl.y;
+ }
+ else // left/right aligned
+ {
+ size.x = sizeCtrl.x;
+ size.y = sizeClient.y;
+ }
+
+ return size;
+}
+
+// ----------------------------------------------------------------------------
+// miscellaneous stuff
+// ----------------------------------------------------------------------------
+
+#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
// ----------------------------------------------------------------------------
bool WXUNUSED(bSelect),
int WXUNUSED(imageId))
{
- wxCHECK_MSG( page, false, _T("NULL page in wxBookCtrlBase::InsertPage()") );
+ wxCHECK_MSG( page || AllowNullPage(), false,
+ wxT("NULL page in wxBookCtrlBase::InsertPage()") );
wxCHECK_MSG( nPage <= m_pages.size(), false,
- _T("invalid page index in wxBookCtrlBase::InsertPage()") );
+ wxT("invalid page index in wxBookCtrlBase::InsertPage()") );
m_pages.Insert(page, nPage);
- InvalidateBestSize();
+ if ( page )
+ page->SetSize(GetPageRect());
+
+ DoInvalidateBestSize();
return true;
}
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 *wxBookCtrlBase::DoRemovePage(size_t nPage)
{
wxCHECK_MSG( nPage < m_pages.size(), NULL,
- _T("invalid page index in wxBookCtrlBase::DoRemovePage()") );
+ wxT("invalid page index in wxBookCtrlBase::DoRemovePage()") );
wxWindow *pageRemoved = m_pages[nPage];
m_pages.RemoveAt(nPage);
- InvalidateBestSize();
+ DoInvalidateBestSize();
return pageRemoved;
}
}
else // notebook is empty, no next page
{
- nPage = -1;
+ nPage = wxNOT_FOUND;
}
return nPage;
}
-#endif // wxUSE_BOOKCTRL
+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;
+}
+
+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 )
+ m_pages[oldSel]->Hide();
+
+ wxWindow *page = m_pages[n];
+ page->SetSize(GetPageRect());
+ page->Show();
+
+ // 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
projects / wxWidgets.git / blobdiff