tbarwce.cpp

Wxpython Implemented on Windows CE, Source code

/////////////////////////////////////////////////////////////////////////////
// Name:        src/msw/wince/tbarwce.cpp
// Purpose:     wxToolBar for Windows CE
// Author:      Julian Smart
// Modified by:
// Created:     2003-07-12
// RCS-ID:      $Id: tbarwce.cpp,v 1.34 2006/06/07 17:46:06 ABX Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

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

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

// Use the WinCE-specific toolbar only if we're either compiling
// with a WinCE earlier than 4, or we wish to emulate a PocketPC-style UI
#if wxUSE_TOOLBAR && wxUSE_TOOLBAR_NATIVE && (_WIN32_WCE < 400 || defined(__POCKETPC__) || defined(__SMARTPHONE__))

#include "wx/toolbar.h"

#ifndef WX_PRECOMP
    #include "wx/dynarray.h"
    #include "wx/frame.h"
    #include "wx/log.h"
    #include "wx/intl.h"
    #include "wx/settings.h"
    #include "wx/bitmap.h"
    #include "wx/dcmemory.h"
    #include "wx/control.h"
#endif

#if !defined(__GNUWIN32__) && !defined(__SALFORDC__)
    #include "malloc.h"
#endif

// include <commctrl.h> "properly"
#include "wx/msw/wrapcctl.h"

#include "wx/msw/private.h"
#include <windows.h>
#include <windowsx.h>
#include <tchar.h>
#include <ole2.h>
#include <shellapi.h>
#if defined(WINCE_WITHOUT_COMMANDBAR)
  #include <aygshell.h>
#endif
#include "wx/msw/wince/missing.h"

#include "wx/msw/winundef.h"

#if !defined(__SMARTPHONE__)

///////////// This implementation is for PocketPC.
///////////// See later for the Smartphone dummy toolbar class.

// ----------------------------------------------------------------------------
// Event table
// ----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxToolMenuBar, wxToolBar)

BEGIN_EVENT_TABLE(wxToolMenuBar, wxToolBar)
END_EVENT_TABLE()

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

class wxToolMenuBarTool : public wxToolBarToolBase
{
public:
    wxToolMenuBarTool(wxToolBar *tbar,
                  int id,
                  const wxString& label,
                  const wxBitmap& bmpNormal,
                  const wxBitmap& bmpDisabled,
                  wxItemKind kind,
                  wxObject *clientData,
                  const wxString& shortHelp,
                  const wxString& longHelp)
        : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpDisabled, kind,
                            clientData, shortHelp, longHelp)
    {
        m_nSepCount = 0;
        m_bitmapIndex = -1;
    }

    wxToolMenuBarTool(wxToolBar *tbar, wxControl *control)
        : wxToolBarToolBase(tbar, control)
    {
        m_nSepCount = 1;
        m_bitmapIndex = -1;
    }

    virtual void SetLabel(const wxString& label)
    {
        if ( label == m_label )
            return;

        wxToolBarToolBase::SetLabel(label);

        // we need to update the label shown in the toolbar because it has a
        // pointer to the internal buffer of the old label
        //
        // TODO: use TB_SETBUTTONINFO
    }

    // set/get the number of separators which we use to cover the space used by
    // a control in the toolbar
    void SetSeparatorsCount(size_t count) { m_nSepCount = count; }
    size_t GetSeparatorsCount() const { return m_nSepCount; }

    void SetBitmapIndex(int idx) { m_bitmapIndex = idx; }
    int GetBitmapIndex() const { return m_bitmapIndex; }

private:
    size_t m_nSepCount;
    int m_bitmapIndex;
};


// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// wxToolBarTool
// ----------------------------------------------------------------------------

wxToolBarToolBase *wxToolMenuBar::CreateTool(int id,
                                         const wxString& label,
                                         const wxBitmap& bmpNormal,
                                         const wxBitmap& bmpDisabled,
                                         wxItemKind kind,
                                         wxObject *clientData,
                                         const wxString& shortHelp,
                                         const wxString& longHelp)
{
    return new wxToolMenuBarTool(this, id, label, bmpNormal, bmpDisabled, kind,
                             clientData, shortHelp, longHelp);
}

wxToolBarToolBase *wxToolMenuBar::CreateTool(wxControl *control)
{
    return new wxToolMenuBarTool(this, control);
}

// ----------------------------------------------------------------------------
// wxToolBar construction
// ----------------------------------------------------------------------------

void wxToolMenuBar::Init()
{
    wxToolBar::Init();

    m_nButtons = 0;
    m_menuBar = NULL;
}

bool wxToolMenuBar::Create(wxWindow *parent,
                       wxWindowID id,
                       const wxPoint& pos,
                       const wxSize& size,
                       long style,
                       const wxString& name,
                       wxMenuBar* menuBar)
{
    // common initialisation
    if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
        return false;

    // MSW-specific initialisation
    if ( !MSWCreateToolbar(pos, size, menuBar) )
        return false;

    // set up the colors and fonts
    SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_MENUBAR));
    SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));

    return true;
}

bool wxToolMenuBar::MSWCreateToolbar(const wxPoint& WXUNUSED(pos), const wxSize& WXUNUSED(size), wxMenuBar* menuBar)
{
    SetMenuBar(menuBar);
    if (m_menuBar)
        m_menuBar->SetToolBar(this);

#if defined(WINCE_WITHOUT_COMMANDBAR)
    // Create the menubar.
    SHMENUBARINFO mbi;

    memset (&mbi, 0, sizeof (SHMENUBARINFO));
    mbi.cbSize     = sizeof (SHMENUBARINFO);
    mbi.hwndParent = (HWND) GetParent()->GetHWND();
#ifdef __SMARTPHONE__
    mbi.nToolBarId = 5002;
#else
    mbi.nToolBarId = 5000;
#endif
    mbi.nBmpId     = 0;
    mbi.cBmpImages = 0;
    mbi.dwFlags = 0 ; // SHCMBF_EMPTYBAR;
    mbi.hInstRes = wxGetInstance();

    if (!SHCreateMenuBar(&mbi))
    {
        wxFAIL_MSG( _T("SHCreateMenuBar failed") );
        return false;
    }

    SetHWND((WXHWND) mbi.hwndMB);
#else
    HWND hWnd = CommandBar_Create(wxGetInstance(), (HWND) GetParent()->GetHWND(), GetId());
    SetHWND((WXHWND) hWnd);
#endif

    // install wxWidgets window proc for this window
    SubclassWin(m_hWnd);

    if (menuBar)
        menuBar->Create();

    return true;
}

void wxToolMenuBar::Recreate()
{
    // TODO
}

wxToolMenuBar::~wxToolMenuBar()
{
    if (GetMenuBar())
        GetMenuBar()->SetToolBar(NULL);
}

// Return HMENU for the menu associated with the commandbar
WXHMENU wxToolMenuBar::GetHMenu()
{
#if defined(__HANDHELDPC__)
    return 0;
#else
    if (GetHWND())
    {
        return (WXHMENU) (HMENU)::SendMessage((HWND) GetHWND(), SHCMBM_GETMENU, (WPARAM)0, (LPARAM)0);
    }
    else
        return 0;
#endif
}

// ----------------------------------------------------------------------------
// adding/removing tools
// ----------------------------------------------------------------------------

bool wxToolMenuBar::DoInsertTool(size_t WXUNUSED(pos), wxToolBarToolBase *tool)
{
    // nothing special to do here - we really create the toolbar buttons in
    // Realize() later
    tool->Attach(this);

    return true;
}

bool wxToolMenuBar::DoDeleteTool(size_t pos, wxToolBarToolBase *tool)
{
    // the main difficulty we have here is with the controls in the toolbars:
    // as we (sometimes) use several separators to cover up the space used by
    // them, the indices are not the same for us and the toolbar

    // first determine the position of the first button to delete: it may be
    // different from pos if we use several separators to cover the space used
    // by a control
    wxToolBarToolsList::compatibility_iterator node;
    for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
    {
        wxToolBarToolBase *tool2 = node->GetData();
        if ( tool2 == tool )
        {
            // let node point to the next node in the list
            node = node->GetNext();

            break;
        }

        if ( tool2->IsControl() )
        {
            pos += ((wxToolMenuBarTool *)tool2)->GetSeparatorsCount() - 1;
        }
    }

    // now determine the number of buttons to delete and the area taken by them
    size_t nButtonsToDelete = 1;

    // get the size of the button we're going to delete
    RECT r;
    if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT, pos, (LPARAM)&r) )
    {
        wxLogLastError(_T("TB_GETITEMRECT"));
    }

    int width = r.right - r.left;

    if ( tool->IsControl() )
    {
        nButtonsToDelete = ((wxToolMenuBarTool *)tool)->GetSeparatorsCount();

        width *= nButtonsToDelete;
    }

    // do delete all buttons
    m_nButtons -= nButtonsToDelete;