MSW wxNotebook implementation
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@213 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
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src/msw/notebook.cpp
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480
src/msw/notebook.cpp
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///////////////////////////////////////////////////////////////////////////////
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// Name: msw/notebook.cpp
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// Purpose: implementation of wxNotebook
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 11.06.98
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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// TODO:
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// 1) keyboard interface for changing pages ([Shift]+Ctrl-Tab)
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// 2) using OnSize() for showing pages for the first time works, but it surely
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// us ugly
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// 3) I'm not sure that setting fonts works
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#ifdef __GNUG__
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#pragma implementation "notebook.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// wxWindows
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#ifndef WX_PRECOMP
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#include <wx/string.h>
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#endif // WX_PRECOMP
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#include <wx/log.h>
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#include <wx/imaglist.h>
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#include <wx/notebook.h>
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#include <wx/msw/private.h>
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// Windows standard headers
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#ifndef __WIN95__
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#error "wxNotebook is not supported under Windows 3.1"
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#endif //Win95
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#ifdef __GNUWIN32__
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#include "wx/msw/gnuwin32/extra.h"
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#else //!GnuWin32
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#include <commctrl.h>
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#endif
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// ----------------------------------------------------------------------------
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// macros
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// ----------------------------------------------------------------------------
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// check that the page index is valid
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#define IS_VALID_PAGE(nPage) (((nPage) >= 0) && ((nPage) < GetPageCount()))
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// hide the ugly cast
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#define m_hwnd (HWND)GetHWND()
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// ----------------------------------------------------------------------------
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// event table
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// ----------------------------------------------------------------------------
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#if !USE_SHARED_LIBRARIES
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BEGIN_EVENT_TABLE(wxNotebook, wxControl)
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EVT_NOTEBOOK_PAGE_CHANGED(-1, wxNotebook::OnSelChange)
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EVT_SIZE(wxNotebook::OnSize)
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EVT_SET_FOCUS(wxNotebook::OnSetFocus)
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EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
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END_EVENT_TABLE()
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IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
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IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
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#endif
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxNotebook construction
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// ----------------------------------------------------------------------------
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// common part of all ctors
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void wxNotebook::Init()
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{
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m_pImageList = NULL;
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m_nSelection = -1;
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}
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// default for dynamic class
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wxNotebook::wxNotebook()
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{
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Init();
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}
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// the same arguments as for wxControl
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wxNotebook::wxNotebook(wxWindow *parent,
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const wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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const long style,
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const wxString& name)
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{
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Init();
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Create(parent, id, pos, size, style, name);
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}
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// Create() function
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bool wxNotebook::Create(wxWindow *parent,
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const wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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const long style,
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const wxString& name)
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{
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// base init
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SetName(name);
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SetParent(parent);
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m_windowId = id == -1 ? NewControlId() : id;
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// colors and font
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m_backgroundColour = wxColour(GetSysColor(COLOR_BTNFACE));
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m_foregroundColour = *wxBLACK ;
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m_defaultForegroundColour = *wxBLACK ;
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m_defaultBackgroundColour = wxColour(GetSysColor(COLOR_BTNFACE));
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// style
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m_windowStyle = style;
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long tabStyle = WS_CHILD | WS_VISIBLE | WS_TABSTOP | TCS_TABS;
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if ( m_windowStyle & wxTC_MULTILINE )
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tabStyle |= TCS_MULTILINE;
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if ( m_windowStyle & wxBORDER )
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tabStyle &= WS_BORDER;
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// create the tab control.
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m_hWnd = (WXHWND)CreateWindowEx
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(
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0, // extended style
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WC_TABCONTROL, // class name for the tab control
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"", // no caption
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tabStyle, // style
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pos.x, pos.y, size.x, size.y, // size and position
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(HWND)parent->GetHWND(), // parent window
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(HMENU)m_windowId, // child id
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wxGetInstance(), // current instance
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NULL // no class data
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);
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if ( m_hWnd == 0 ) {
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wxLogSysError("Can't create the notebook control");
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return FALSE;
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}
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if ( parent != NULL )
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parent->AddChild(this);
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SubclassWin(m_hWnd);
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return TRUE;
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}
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// dtor
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wxNotebook::~wxNotebook()
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{
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}
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// ----------------------------------------------------------------------------
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// wxNotebook accessors
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// ----------------------------------------------------------------------------
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int wxNotebook::GetPageCount() const
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{
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// consistency check
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wxASSERT( (int)m_aPages.Count() == TabCtrl_GetItemCount(m_hwnd) );
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return m_aPages.Count();
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}
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int wxNotebook::GetRowCount() const
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{
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return TabCtrl_GetRowCount(m_hwnd);
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}
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int wxNotebook::SetSelection(int nPage)
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{
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wxASSERT( IS_VALID_PAGE(nPage) );
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ChangePage(m_nSelection, nPage);
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return TabCtrl_SetCurSel(m_hwnd, nPage);
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}
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void wxNotebook::AdvanceSelection(bool bForward)
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{
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int nSel = GetSelection();
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int nMax = GetPageCount() - 1;
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if ( bForward )
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SetSelection(nSel == nMax ? 0 : nSel + 1);
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else
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SetSelection(nSel == 0 ? nMax : nSel - 1);
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}
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bool wxNotebook::SetPageText(int nPage, const wxString& strText)
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{
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wxASSERT( IS_VALID_PAGE(nPage) );
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TC_ITEM tcItem;
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tcItem.mask = TCIF_TEXT;
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tcItem.pszText = (char *)strText.c_str();
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return TabCtrl_SetItem(m_hwnd, nPage, &tcItem) != 0;
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}
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wxString wxNotebook::GetPageText(int nPage) const
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{
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wxASSERT( IS_VALID_PAGE(nPage) );
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char buf[256];
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TC_ITEM tcItem;
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tcItem.mask = TCIF_TEXT;
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tcItem.pszText = buf;
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tcItem.cchTextMax = WXSIZEOF(buf);
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wxString str;
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if ( TabCtrl_GetItem(m_hwnd, nPage, &tcItem) )
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str = tcItem.pszText;
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return str;
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}
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int wxNotebook::GetPageImage(int nPage) const
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{
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wxASSERT( IS_VALID_PAGE(nPage) );
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TC_ITEM tcItem;
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tcItem.mask = TCIF_IMAGE;
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return TabCtrl_GetItem(m_hwnd, nPage, &tcItem) ? tcItem.iImage : -1;
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}
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bool wxNotebook::SetPageImage(int nPage, int nImage)
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{
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wxASSERT( IS_VALID_PAGE(nPage) );
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TC_ITEM tcItem;
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tcItem.mask = TCIF_IMAGE;
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tcItem.iImage = nImage;
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return TabCtrl_SetItem(m_hwnd, nPage, &tcItem) != 0;
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}
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void wxNotebook::SetImageList(wxImageList* imageList)
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{
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m_pImageList = imageList;
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TabCtrl_SetImageList(m_hwnd, (HIMAGELIST)imageList->GetHIMAGELIST());
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}
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// ----------------------------------------------------------------------------
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// wxNotebook operations
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// ----------------------------------------------------------------------------
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// remove one page from the notebook
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bool wxNotebook::DeletePage(int nPage)
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{
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wxCHECK( IS_VALID_PAGE(nPage), FALSE );
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TabCtrl_DeleteItem(m_hwnd, nPage);
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delete m_aPages[nPage];
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m_aPages.Remove(nPage);
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return TRUE;
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}
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// remove all pages
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bool wxNotebook::DeleteAllPages()
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{
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TabCtrl_DeleteAllItems(m_hwnd);
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int nPageCount = GetPageCount();
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int nPage;
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for ( nPage = 0; nPage < nPageCount; nPage++ )
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delete m_aPages[nPage];
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m_aPages.Clear();
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return TRUE;
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}
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// add a page to the notebook
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bool wxNotebook::AddPage(wxNotebookPage *pPage,
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const wxString& strText,
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bool bSelect,
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int imageId)
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{
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return InsertPage(GetPageCount(), pPage, strText, bSelect, imageId);
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}
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// same as AddPage() but does it at given position
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bool wxNotebook::InsertPage(int nPage,
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wxNotebookPage *pPage,
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const wxString& strText,
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bool bSelect,
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int imageId)
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{
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wxASSERT( pPage != NULL );
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wxCHECK( IS_VALID_PAGE(nPage) || nPage == GetPageCount(), FALSE );
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// add the tab to the control
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TC_ITEM tcItem;
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tcItem.mask = TCIF_TEXT | TCIF_IMAGE;
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tcItem.pszText = (char *)strText.c_str();
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tcItem.iImage = imageId;
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if ( TabCtrl_InsertItem(m_hwnd, nPage, &tcItem) == -1 ) {
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wxLogError("Can't create the notebook page '%s'.", strText.c_str());
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return FALSE;
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}
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// save the pointer to the page
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m_aPages.Insert(pPage, nPage);
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// some page must be selected: either this one or the first one if there is
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// still no selection
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if ( bSelect )
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m_nSelection = nPage;
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else if ( m_nSelection == -1 )
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m_nSelection = 0;
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// don't show pages by default (we'll need to adjust their size first)
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HWND hwnd = (HWND)pPage->GetHWND();
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SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_VISIBLE);
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// wxNotebook callbacks
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// ----------------------------------------------------------------------------
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// @@@ OnSize() is used for setting the font when it's called for the first
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// time because doing it in ::Create() doesn't work (for unknown reasons)
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void wxNotebook::OnSize(wxSizeEvent& event)
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{
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static bool s_bFirstTime = TRUE;
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if ( s_bFirstTime ) {
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SendMessage((HWND)m_hwnd, WM_SETFONT,
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(WPARAM)GetStockObject(DEFAULT_GUI_FONT),
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MAKELPARAM(TRUE, 0));
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s_bFirstTime = FALSE;
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}
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// emulate page change (it's esp. important to do it first time because
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// otherwise our page would stay invisible)
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int nSel = m_nSelection;
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m_nSelection = -1;
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SetSelection(nSel);
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event.Skip();
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}
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void wxNotebook::OnSelChange(wxNotebookEvent& event)
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{
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// is it our tab control?
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if ( event.GetEventObject() == this )
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ChangePage(event.GetOldSelection(), event.GetSelection());
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// we want to give others a chance to process this message as well
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event.Skip();
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}
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void wxNotebook::OnSetFocus(wxFocusEvent& event)
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{
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// set focus to the currently selected page if any
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if ( m_nSelection != -1 )
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m_aPages[m_nSelection]->SetFocus();
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event.Skip();
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}
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void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
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{
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if ( event.IsWindowChange() ) {
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// change pages
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AdvanceSelection(event.GetDirection());
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}
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else {
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// pass to the parent
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if ( GetParent() ) {
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event.SetCurrentFocus(this);
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GetParent()->ProcessEvent(event);
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}
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}
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}
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// ----------------------------------------------------------------------------
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// wxNotebook base class virtuals
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// ----------------------------------------------------------------------------
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void wxNotebook::Command(wxCommandEvent& event)
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{
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wxFAIL_MSG("wxNotebook::Command not implemented");
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}
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bool wxNotebook::MSWNotify(const WXWPARAM wParam, const WXLPARAM lParam)
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{
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wxNotebookEvent event(wxEVT_NULL, m_windowId,
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TabCtrl_GetCurSel(m_hwnd), m_nSelection);
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NMHDR* hdr = (NMHDR *)lParam;
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switch ( hdr->code ) {
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case TCN_SELCHANGE:
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event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED);
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break;
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case TCN_SELCHANGING:
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event.SetEventType(wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING);
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break;
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default :
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return wxControl::MSWNotify(wParam, lParam);
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}
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event.SetEventObject(this);
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event.SetInt(LOWORD(wParam));
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return ProcessEvent(event);
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}
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// ----------------------------------------------------------------------------
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// wxNotebook helper functions
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// ----------------------------------------------------------------------------
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// hide the currently active panel and show the new one
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void wxNotebook::ChangePage(int nOldSel, int nSel)
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{
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wxASSERT( nOldSel != nSel ); // impossible
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if ( nOldSel != -1 ) {
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m_aPages[nOldSel]->Show(FALSE);
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}
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wxNotebookPage *pPage = m_aPages[nSel];
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FitPage(pPage);
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pPage->Show(TRUE);
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// set focus to the currently selected page
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wxWindow *win = m_aPages[nSel];
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if ( win->IsKindOf(CLASSINFO(wxPanel)) ) {
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wxList *children = win->GetChildren();
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if ( children->First() != NULL );
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win = (wxWindow *)children->First()->Data();
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}
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win->SetFocus();
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m_nSelection = nSel;
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}
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// fit the notebook page to the tab control's display area
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void wxNotebook::FitPage(wxNotebookPage *pPage)
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{
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RECT rc;
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rc.left = rc.top = 0;
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GetSize((int *)&rc.right, (int *)&rc.bottom);
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TabCtrl_AdjustRect(m_hwnd, FALSE, &rc);
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pPage->SetSize(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
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}
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