tabg.cpp

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                (GetViewRect().y + GetViewRect().height + 1)
                );

        // Draw right line
        dc.DrawLine(
                (GetViewRect().x + GetViewRect().width + 1),
                (GetViewRect().y - GetTopMargin()),
                (GetViewRect().x + GetViewRect().width + 1),
                (GetViewRect().y + GetViewRect().height + 1)
                );
    }
#endif
}

// Process mouse event, return false if we didn't process it
bool wxTabView::OnEvent(wxMouseEvent& event)
{
  if (!event.LeftDown())
    return false;

  wxCoord x, y;
  event.GetPosition(&x, &y);

  wxTabControl *hitControl = (wxTabControl *) NULL;

  wxTabLayerList::compatibility_iterator node = m_layers.GetFirst();
  while (node)
  {
    wxTabLayer *layer = (wxTabLayer *)node->GetData();
    wxList::compatibility_iterator node2 = layer->GetFirst();
    while (node2)
    {
      wxTabControl *control = (wxTabControl *)node2->GetData();
      if (control->HitTest((int)x, (int)y))
      {
        hitControl = control;
        node = wxTabLayerList::compatibility_iterator();
        node2 = wxList::compatibility_iterator();
      }
      else
        node2 = node2->GetNext();
    }

    if (node)
      node = node->GetNext();
  }

  if (!hitControl)
    return false;

  wxTabControl *currentTab = FindTabControlForId(m_tabSelection);

  if (hitControl == currentTab)
    return false;

  ChangeTab(hitControl);

  return true;
}

bool wxTabView::ChangeTab(wxTabControl *control)
{
  wxTabControl *currentTab = FindTabControlForId(m_tabSelection);
  int oldTab = -1;
  if (currentTab)
    oldTab = currentTab->GetId();

  if (control == currentTab)
    return true;

  if (m_layers.GetCount() == 0)
    return false;

  if (!OnTabPreActivate(control->GetId(), oldTab))
    return false;

  // Move the tab to the bottom
  MoveSelectionTab(control);

  if (currentTab)
    currentTab->SetSelected(false);

  control->SetSelected(true);
  m_tabSelection = control->GetId();

  OnTabActivate(control->GetId(), oldTab);

  // Leave window refresh for the implementing window

  return true;
}

// Move the selected tab to the bottom layer, if necessary,
// without calling app activation code
bool wxTabView::MoveSelectionTab(wxTabControl *control)
{
  if (m_layers.GetCount() == 0)
    return false;

  wxTabLayer *firstLayer = (wxTabLayer *)m_layers.GetFirst()->GetData();

  // Find what column this tab is at, so we can swap with the one at the bottom.
  // If we're on the bottom layer, then no need to swap.
  if (!firstLayer->Member(control))
  {
    // Do a swap
    int col = 0;
    wxList::compatibility_iterator thisNode = FindTabNodeAndColumn(control, &col);
    if (!thisNode)
      return false;
    wxList::compatibility_iterator otherNode = firstLayer->Item(col);
    if (!otherNode)
      return false;

    // If this is already in the bottom layer, return now
    if (otherNode == thisNode)
      return true;

    wxTabControl *otherTab = (wxTabControl *)otherNode->GetData();

    // We now have pointers to the tab to be changed to,
    // and the tab on the first layer. Swap tab structures and
    // position details.

    int thisX = control->GetX();
    int thisY = control->GetY();
    int thisColPos = control->GetColPosition();
    int otherX = otherTab->GetX();
    int otherY = otherTab->GetY();
    int otherColPos = otherTab->GetColPosition();

    control->SetPosition(otherX, otherY);
    control->SetColPosition(otherColPos);
    otherTab->SetPosition(thisX, thisY);
    otherTab->SetColPosition(thisColPos);

    // Swap the data for the nodes
    thisNode->SetData(otherTab);
    otherNode->SetData(control);
  }
  return true;
}

// Called when a tab is activated
void wxTabView::OnTabActivate(int /*activateId*/, int /*deactivateId*/)
{
}

void wxTabView::SetHighlightColour(const wxColour& col)
{
  m_highlightColour = col;
  m_highlightPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
}

void wxTabView::SetShadowColour(const wxColour& col)
{
  m_shadowColour = col;
  m_shadowPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
}

void wxTabView::SetBackgroundColour(const wxColour& col)
{
  m_backgroundColour = col;
  m_backgroundPen = wxThePenList->FindOrCreatePen(col, 1, wxSOLID);
  m_backgroundBrush = wxTheBrushList->FindOrCreateBrush(col, wxSOLID);
}

// this may be called with sel = zero (which doesn't match any page)
// when wxMotif deletes a page
// so return the first tab...

void wxTabView::SetTabSelection(int sel, bool activateTool)
{
  if ( sel==m_tabSelection )
    return;

  int oldSel = m_tabSelection;
  wxTabControl *control = FindTabControlForId(sel);
  if (sel == 0) sel=control->GetId();
  wxTabControl *oldControl = FindTabControlForId(m_tabSelection);

  if (!OnTabPreActivate(sel, oldSel))
    return;

  if (control)
    control->SetSelected((sel != -1)); // TODO ??
  else if (sel != -1)
  {
    wxFAIL_MSG(_("Could not find tab for id"));
    return;
  }

  if (oldControl)
    oldControl->SetSelected(false);

  m_tabSelection = sel;

  if (control)
    MoveSelectionTab(control);

  if (activateTool)
    OnTabActivate(sel, oldSel);
}

// Find tab control for id
// this may be called with zero (which doesn't match any page)
// so return the first control...
wxTabControl *wxTabView::FindTabControlForId(int id) const
{
  wxTabLayerList::compatibility_iterator node1 = m_layers.GetFirst();
  while (node1)
  {
    wxTabLayer *layer = (wxTabLayer *)node1->GetData();
    wxList::compatibility_iterator node2 = layer->GetFirst();
    while (node2)
    {
      wxTabControl *control = (wxTabControl *)node2->GetData();
      if (control->GetId() == id || id == 0)
        return control;
      node2 = node2->GetNext();
    }
    node1 = node1->GetNext();
  }
  return (wxTabControl *) NULL;
}

// Find tab control for layer, position (starting from zero)
wxTabControl *wxTabView::FindTabControlForPosition(int layer, int position) const
{
  wxTabLayerList::compatibility_iterator node1 = m_layers.Item(layer);
  if (!node1)
    return (wxTabControl *) NULL;
  wxTabLayer *tabLayer = (wxTabLayer *)node1->GetData();
  wxList::compatibility_iterator node2 = tabLayer->Item(position);
  if (!node2)
    return (wxTabControl *) NULL;
  return (wxTabControl *)node2->GetData();
}

// Find the node and the column at which this control is positioned.
wxList::compatibility_iterator wxTabView::FindTabNodeAndColumn(wxTabControl *control, int *col) const
{
  wxTabLayerList::compatibility_iterator node1 = m_layers.GetFirst();
  while (node1)
  {
    wxTabLayer *layer = (wxTabLayer *)node1->GetData();
    int c = 0;
    wxList::compatibility_iterator node2 = layer->GetFirst();
    while (node2)
    {
      wxTabControl *cnt = (wxTabControl *)node2->GetData();
      if (cnt == control)
      {
        *col = c;
        return node2;
      }
      node2 = node2->GetNext();
      c ++;
    }
    node1 = node1->GetNext();
  }
  return wxList::compatibility_iterator();
}

int wxTabView::CalculateTabWidth(int noTabs, bool adjustView)
{
  m_tabWidth = (int)((m_tabViewRect.width - ((noTabs - 1)*GetHorizontalTabSpacing()))/noTabs);
  if (adjustView)
  {
    m_tabViewRect.width = noTabs*m_tabWidth + ((noTabs-1)*GetHorizontalTabSpacing());
  }
  return m_tabWidth;
}

/*
 * wxTabbedDialog
 */

IMPLEMENT_CLASS(wxTabbedDialog, wxDialog)

BEGIN_EVENT_TABLE(wxTabbedDialog, wxDialog)
    EVT_CLOSE(wxTabbedDialog::OnCloseWindow)
    EVT_MOUSE_EVENTS(wxTabbedDialog::OnMouseEvent)
    EVT_PAINT(wxTabbedDialog::OnPaint)
END_EVENT_TABLE()

wxTabbedDialog::wxTabbedDialog(wxWindow *parent, wxWindowID id,
    const wxString& title,
    const wxPoint& pos, const wxSize& size,
    long windowStyle, const wxString& name):
   wxDialog(parent, id, title, pos, size, windowStyle, name)
{
  m_tabView = (wxTabView *) NULL;
}

wxTabbedDialog::~wxTabbedDialog(void)
{
  if (m_tabView)
    delete m_tabView;
}

void wxTabbedDialog::OnCloseWindow(wxCloseEvent& WXUNUSED(event) )
{
  Destroy();
}

void wxTabbedDialog::OnMouseEvent(wxMouseEvent& event )
{
  if (m_tabView)
    m_tabView->OnEvent(event);
}

void wxTabbedDialog::OnPaint(wxPaintEvent& WXUNUSED(event) )
{
    wxPaintDC dc(this);
    if (m_tabView)
        m_tabView->Draw(dc);
}

/*
 * wxTabbedPanel
 */

IMPLEMENT_CLASS(wxTabbedPanel, wxPanel)

BEGIN_EVENT_TABLE(wxTabbedPanel, wxPanel)
    EVT_MOUSE_EVENTS(wxTabbedPanel::OnMouseEvent)
    EVT_PAINT(wxTabbedPanel::OnPaint)
END_EVENT_TABLE()

wxTabbedPanel::wxTabbedPanel(wxWindow *parent, wxWindowID id, const wxPoint& pos,
   const wxSize& size, long windowStyle, const wxString& name):
   wxPanel(parent, id, pos, size, windowStyle, name)
{
  m_tabView = (wxTabView *) NULL;
}

wxTabbedPanel::~wxTabbedPanel(void)
{
  delete m_tabView;
}

void wxTabbedPanel::OnMouseEvent(wxMouseEvent& event)
{
  if (m_tabView)
    m_tabView->OnEvent(event);
}

void wxTabbedPanel::OnPaint(wxPaintEvent& WXUNUSED(event) )
{
    wxPaintDC dc(this);
    if (m_tabView)
        m_tabView->Draw(dc);
}

/*
 * wxPanelTabView
 */

IMPLEMENT_CLASS(wxPanelTabView, wxTabView)

wxPanelTabView::wxPanelTabView(wxPanel *pan, long style)
    : wxTabView(style)
{
  m_panel = pan;
  m_currentWindow = (wxWindow *) NULL;

  if (m_panel->IsKindOf(CLASSINFO(wxTabbedDialog)))
    ((wxTabbedDialog *)m_panel)->SetTabView(this);
  else if (m_panel->IsKindOf(CLASSINFO(wxTabbedPanel)))
    ((wxTabbedPanel *)m_panel)->SetTabView(this);

  SetWindow(m_panel);
}

wxPanelTabView::~wxPanelTabView(void)
{
  ClearWindows(true);
}

// Called when a tab is activated
void wxPanelTabView::OnTabActivate(int activateId, int deactivateId)
{
  if (!m_panel)
    return;

  wxWindow *oldWindow = ((deactivateId == -1) ? 0 : GetTabWindow(deactivateId));
  wxWindow *newWindow = GetTabWindow(activateId);

  if (oldWindow)
    oldWindow->Show(false);
  if (newWindow)
    newWindow->Show(true);

  m_panel->Refresh();
}


void wxPanelTabView::AddTabWindow(int id, wxWindow *window)
{
  wxASSERT(m_tabWindows.find(id) == m_tabWindows.end());
  m_tabWindows[id] = window;
  window->Show(false);
}

wxWindow *wxPanelTabView::GetTabWindow(int id) const
{
  wxIntToWindowHashMap::const_iterator it = m_tabWindows.find(id);
  return it == m_tabWindows.end() ? NULL : it->second;
}

void wxPanelTabView::ClearWindows(bool deleteWindows)
{
  if (deleteWindows)
    WX_CLEAR_HASH_MAP(wxIntToWindowHashMap, m_tabWindows);
  m_tabWindows.clear();
}

void wxPanelTabView::ShowWindowForTab(int id)
{
  wxWindow *newWindow = GetTabWindow(id);
  if (newWindow == m_currentWindow)
    return;
  if (m_currentWindow)
    m_currentWindow->Show(false);
  newWindow->Show(true);
  newWindow->Refresh();
}

#endif // wxUSE_TAB_DIALOG