Ensure there is valid context for DrawRectangle

[wxWidgets.git] / src / generic / propdlg.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/generic/propdlg.cpp
// Purpose:     wxPropertySheetDialog
// Author:      Julian Smart
// Modified by:
// Created:     2005-03-12
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_BOOKCTRL

#ifndef WX_PRECOMP
    #include "wx/button.h"
    #include "wx/sizer.h"
    #include "wx/intl.h"
    #include "wx/log.h"
    #include "wx/msgdlg.h"
#endif

#include "wx/bookctrl.h"

#if wxUSE_NOTEBOOK
#include "wx/notebook.h"
#endif
#if wxUSE_CHOICEBOOK
#include "wx/choicebk.h"
#endif
#if wxUSE_TOOLBOOK
#include "wx/toolbook.h"
#endif
#if wxUSE_LISTBOOK
#include "wx/listbook.h"
#endif
#if wxUSE_TREEBOOK
#include "wx/treebook.h"
#endif

#include "wx/generic/propdlg.h"
#include "wx/sysopt.h"

//-----------------------------------------------------------------------------
// wxPropertySheetDialog
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxPropertySheetDialog, wxDialog)

BEGIN_EVENT_TABLE(wxPropertySheetDialog, wxDialog)
    EVT_ACTIVATE(wxPropertySheetDialog::OnActivate)
    EVT_IDLE(wxPropertySheetDialog::OnIdle)
END_EVENT_TABLE()

bool wxPropertySheetDialog::Create(wxWindow* parent, wxWindowID id, const wxString& title,
                                       const wxPoint& pos, const wxSize& sz, long style,
                                       const wxString& name)
{
    parent = GetParentForModalDialog(parent, style);

    if (!wxDialog::Create(parent, id, title, pos, sz, style|wxCLIP_CHILDREN, name))
        return false;

    wxBoxSizer *topSizer = new wxBoxSizer( wxVERTICAL );
    SetSizer(topSizer);

    // This gives more space around the edges
    m_innerSizer = new wxBoxSizer( wxVERTICAL );

#if defined(__SMARTPHONE__) || defined(__POCKETPC__)
    m_sheetOuterBorder = 0;
#endif
    topSizer->Add(m_innerSizer, 1, wxGROW|wxALL, m_sheetOuterBorder);

    m_bookCtrl = CreateBookCtrl();
    AddBookCtrl(m_innerSizer);

    return true;
}

void wxPropertySheetDialog::Init()
{
    m_sheetStyle = wxPROPSHEET_DEFAULT;
    m_innerSizer = NULL;
    m_bookCtrl = NULL;
    m_sheetOuterBorder = 2;
    m_sheetInnerBorder = 5;
}

// Layout the dialog, to be called after pages have been created
void wxPropertySheetDialog::LayoutDialog(int centreFlags)
{
#if !defined(__SMARTPHONE__) && !defined(__POCKETPC__)
    GetSizer()->Fit(this);
    GetSizer()->SetSizeHints(this);
    if (centreFlags)
        Centre(centreFlags);
#else
    wxUnusedVar(centreFlags);
#endif
#if defined(__SMARTPHONE__)
    if (m_bookCtrl)
        m_bookCtrl->SetFocus();
#endif
}

// Creates the buttons, if any
void wxPropertySheetDialog::CreateButtons(int flags)
{
#ifdef __POCKETPC__
    // keep system option status
    const wxChar *optionName = wxT("wince.dialog.real-ok-cancel");
    const int status = wxSystemOptions::GetOptionInt(optionName);
    wxSystemOptions::SetOption(optionName,0);
#endif

    wxSizer *buttonSizer = CreateButtonSizer(flags);
    if( buttonSizer )
    {
        m_innerSizer->Add( buttonSizer, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxTOP|wxBOTTOM|wxLEFT|wxRIGHT, 2);
        m_innerSizer->AddSpacer(2);
    }

#ifdef __POCKETPC__
    // restore system option
    wxSystemOptions::SetOption(optionName,status);
#endif
}

// Creates the book control
wxBookCtrlBase* wxPropertySheetDialog::CreateBookCtrl()
{
    int style = wxCLIP_CHILDREN | wxBK_DEFAULT;

    wxBookCtrlBase* bookCtrl = NULL;

#if wxUSE_NOTEBOOK
    if (GetSheetStyle() & wxPROPSHEET_NOTEBOOK)
        bookCtrl = new wxNotebook(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, style );
#endif
#if wxUSE_CHOICEBOOK
    if (GetSheetStyle() & wxPROPSHEET_CHOICEBOOK)
        bookCtrl = new wxChoicebook(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, style );
#endif
#if wxUSE_TOOLBOOK
#if defined(__WXMAC__) && wxUSE_TOOLBAR && wxUSE_BMPBUTTON
    if (GetSheetStyle() & wxPROPSHEET_BUTTONTOOLBOOK)
        bookCtrl = new wxToolbook(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, style|wxTBK_BUTTONBAR );
    else
#endif
    if ((GetSheetStyle() & wxPROPSHEET_TOOLBOOK) || (GetSheetStyle() & wxPROPSHEET_BUTTONTOOLBOOK))
        bookCtrl = new wxToolbook(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, style );
#endif
#if wxUSE_LISTBOOK
    if (GetSheetStyle() & wxPROPSHEET_LISTBOOK)
        bookCtrl = new wxListbook(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, style );
#endif
#if wxUSE_TREEBOOK
    if (GetSheetStyle() & wxPROPSHEET_TREEBOOK)
        bookCtrl = new wxTreebook(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, style );
#endif
    if (!bookCtrl)
        bookCtrl = new wxBookCtrl(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, style );

    if (GetSheetStyle() & wxPROPSHEET_SHRINKTOFIT)
        bookCtrl->SetFitToCurrentPage(true);

    return bookCtrl;
}

// Adds the book control to the inner sizer.
void wxPropertySheetDialog::AddBookCtrl(wxSizer* sizer)
{
#if defined(__POCKETPC__) && wxUSE_NOTEBOOK
    // The book control has to be sized larger than the dialog because of a border bug
    // in WinCE
    int borderSize = -2;
    sizer->Add( m_bookCtrl, 1, wxGROW|wxALIGN_CENTER_VERTICAL|wxLEFT|wxTOP|wxRIGHT, borderSize );
#else
    sizer->Add( m_bookCtrl, 1, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, m_sheetInnerBorder );
#endif
}

void wxPropertySheetDialog::OnActivate(wxActivateEvent& event)
{
#if defined(__SMARTPHONE__)
    // Attempt to focus the choice control: not yet working, but might
    // be a step in the right direction. OnActivate overrides the default
    // handler in toplevel.cpp that sets the focus for the first child of
    // of the dialog (the choicebook).
    if (event.GetActive())
    {
        wxChoicebook* choiceBook = wxDynamicCast(GetBookCtrl(), wxChoicebook);
        if (choiceBook)
            choiceBook->SetFocus();
    }
    else
#endif
        event.Skip();
}

// Resize dialog if necessary
void wxPropertySheetDialog::OnIdle(wxIdleEvent& event)
{
    event.Skip();

    if ((GetSheetStyle() & wxPROPSHEET_SHRINKTOFIT) && GetBookCtrl())
    {
        int sel = GetBookCtrl()->GetSelection();
        if (sel != -1 && sel != m_selectedPage)
        {
            GetBookCtrl()->InvalidateBestSize();
            InvalidateBestSize();
            SetSizeHints(-1, -1, -1, -1);

            m_selectedPage = sel;
            LayoutDialog(0);
        }
    }
}

// Override function in base
wxWindow* wxPropertySheetDialog::GetContentWindow() const
{
    return GetBookCtrl();
}

#endif // wxUSE_BOOKCTRL