odcombo.cpp

这是一个GPS相关的程序

/////////////////////////////////////////////////////////////////////////////
// Name:        odcombo.cpp
// Purpose:     wxPGOwnerDrawnComboBox and related classes implementation
// Author:      Jaakko Salli
// Modified by:
// Created:     Jan-25-2005
// RCS-ID:      $Id:
// Copyright:   (c) 2005 Jaakko Salli
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

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

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
    #pragma implementation "odcombo.h"
#endif

#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_COMBOBOX

#ifndef WX_PRECOMP
    #include "wx/app.h"
    #include "wx/log.h"

    #include "wx/button.h"
    #include "wx/combobox.h"
    #include "wx/textctrl.h"
    #include "wx/dcclient.h"
    #include "wx/settings.h"
    #include "wx/dialog.h"

#endif

#include "wx/dcbuffer.h"
#include "wx/tooltip.h"
#include "wx/timer.h"

#if defined(__WXMSW__) && !defined(__WXUNIVERSAL__)
    #include "wx/msw/uxtheme.h"
#endif

#include "wx/propgrid/odcombo.h"

//
// THESE GO TO BASE FILE
//

#define BMP_BUTTON_MARGIN                       4

//#define DEFAULT_POPUP_HEIGHT                    -1
#define DEFAULT_POPUP_HEIGHT                    300

#define DEFAULT_TEXT_INDENT                     3


#if defined(__WXMSW__)

#define ALLOW_FAKE_POPUP              0 // Use only on plats with problems with wxPopupWindow
#define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)

//#undef wxUSE_POPUPWIN
//#define wxUSE_POPUPWIN 0

#elif defined(__WXGTK__)

// Fake popup windows cause focus problems on GTK2 (but enable on GTK1.2, just in case)
#if defined(__WXGTK20__)
    #define ALLOW_FAKE_POPUP          0 // Use only on plats with problems with wxPopupWindow
#else
    #define ALLOW_FAKE_POPUP          1 // Use only on plats with problems with wxPopupWindow
#endif
#define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)

#elif defined(__WXMAC__)

#define ALLOW_FAKE_POPUP              1 // Use only on plats with problems with wxPopupWindow
#define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)

#else

#define ALLOW_FAKE_POPUP              1 // Use only on plats with problems with wxPopupWindow
#define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)

#endif


// Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
// what the wxUSE_POPUPWIN says.
#if (!defined(__WXMSW__) && !defined(__WXGTK__)) || defined(__WXWINCE__)
#undef wxUSE_POPUPWIN
#define wxUSE_POPUPWIN 0
#endif

#if wxUSE_POPUPWIN
    #include "wx/popupwin.h"
#else
    #undef USE_TRANSIENT_POPUP
    #define USE_TRANSIENT_POPUP 0
#endif

// For versions < 2.6.2, don't enable transient popup. There may be
// problems I don't have time to test properly.
#if !wxCHECK_VERSION(2, 6, 2)
    #undef USE_TRANSIENT_POPUP
    #define USE_TRANSIENT_POPUP 0
#endif


#if USE_TRANSIENT_POPUP
    #undef ALLOW_FAKE_POPUP
    #define ALLOW_FAKE_POPUP 0

    #define wxPGComboPopupWindowBase wxPopupTransientWindow
    #define INSTALL_TOPLEV_HANDLER       0

#elif wxUSE_POPUPWIN

    #define wxPGComboPopupWindowBase wxPopupWindow
    #define INSTALL_TOPLEV_HANDLER       1

#else

    #define wxPGComboPopupWindowBase wxDialog
    #if !ALLOW_FAKE_POPUP
        #define INSTALL_TOPLEV_HANDLER      0 // Doesn't need since can monitor active event
    #else
        #define INSTALL_TOPLEV_HANDLER      1
    #endif

#endif


//
// THESE GO TO GENERIC FILE
//

// Some adjustments to make the generic more bearable
#if defined(__WXUNIVERSAL__)

#define TEXTCTRLXADJUST                 0 // position adjustment for wxTextCtrl, with zero indent
#define TEXTCTRLYADJUST                 0
#define TEXTXADJUST                     0 // how much is read-only text's x adjusted
#define DEFAULT_DROPBUTTON_WIDTH        19

#elif defined(__WXMSW__)

#define TEXTCTRLXADJUST                 2 // position adjustment for wxTextCtrl, with zero indent
#define TEXTCTRLYADJUST                 3
#define TEXTXADJUST                     0 // how much is read-only text's x adjusted
#define DEFAULT_DROPBUTTON_WIDTH        17

#elif defined(__WXGTK__)

#define TEXTCTRLXADJUST                 -1 // position adjustment for wxTextCtrl, with zero indent
#define TEXTCTRLYADJUST                 0
#define TEXTXADJUST                     1 // how much is read-only text's x adjusted
#define DEFAULT_DROPBUTTON_WIDTH        23

#elif defined(__WXMAC__)

#define TEXTCTRLXADJUST                 0 // position adjustment for wxTextCtrl, with zero indent
#define TEXTCTRLYADJUST                 0
#define TEXTXADJUST                     0 // how much is read-only text's x adjusted
#define DEFAULT_DROPBUTTON_WIDTH        19

#else

#define TEXTCTRLXADJUST                 0 // position adjustment for wxTextCtrl, with zero indent
#define TEXTCTRLYADJUST                 0
#define TEXTXADJUST                     0 // how much is read-only text's x adjusted
#define DEFAULT_DROPBUTTON_WIDTH        19

#endif


// constants
// ----------------------------------------------------------------------------

// TO BASE
// the margin between the text control and the combo button
static const wxCoord g_comboMargin = 2;


// ----------------------------------------------------------------------------
// wxPGComboFrameEventHandler takes care of hiding the popup when events happen
// in its top level parent.
// ----------------------------------------------------------------------------

#if INSTALL_TOPLEV_HANDLER

//
// This will no longer be necessary after wxTransientPopupWindow
// works well on all platforms.
//

class wxPGComboFrameEventHandler : public wxEvtHandler
{
public:
    wxPGComboFrameEventHandler( wxPGComboControlBase* pCb );
    ~wxPGComboFrameEventHandler();

    void OnPopup();

    void OnIdle( wxIdleEvent& event );
    void OnMouseEvent( wxMouseEvent& event );
    void OnActivate( wxActivateEvent& event );
    void OnResize( wxSizeEvent& event );
    void OnMove( wxMoveEvent& event );
    void OnMenuEvent( wxMenuEvent& event );
    void OnClose( wxCloseEvent& event );

protected:
    wxWindow*                       m_focusStart;
    wxPGComboControlBase*     m_combo;

private:
    DECLARE_EVENT_TABLE()
};

BEGIN_EVENT_TABLE(wxPGComboFrameEventHandler, wxEvtHandler)
    EVT_IDLE(wxPGComboFrameEventHandler::OnIdle)
    EVT_LEFT_DOWN(wxPGComboFrameEventHandler::OnMouseEvent)
    EVT_RIGHT_DOWN(wxPGComboFrameEventHandler::OnMouseEvent)
    EVT_SIZE(wxPGComboFrameEventHandler::OnResize)
    EVT_MOVE(wxPGComboFrameEventHandler::OnMove)
    EVT_MENU_HIGHLIGHT(wxID_ANY,wxPGComboFrameEventHandler::OnMenuEvent)
    EVT_MENU_OPEN(wxPGComboFrameEventHandler::OnMenuEvent)
    EVT_ACTIVATE(wxPGComboFrameEventHandler::OnActivate)
    EVT_CLOSE(wxPGComboFrameEventHandler::OnClose)
END_EVENT_TABLE()

wxPGComboFrameEventHandler::wxPGComboFrameEventHandler( wxPGComboControlBase* combo )
    : wxEvtHandler()
{
    m_combo = combo;
}

wxPGComboFrameEventHandler::~wxPGComboFrameEventHandler()
{
}

void wxPGComboFrameEventHandler::OnPopup()
{
    m_focusStart = ::wxWindow::FindFocus();
}

void wxPGComboFrameEventHandler::OnIdle( wxIdleEvent& event )
{
    wxWindow* winFocused = ::wxWindow::FindFocus();

    wxWindow* popup = m_combo->GetPopupControl();
    wxWindow* winpopup = m_combo->GetPopupWindow();

    if (
         winFocused != m_focusStart &&
         winFocused != popup &&
         winFocused->GetParent() != popup &&
         winFocused != winpopup &&
         winFocused->GetParent() != winpopup &&
         winFocused != m_combo &&
         winFocused != m_combo->GetButton() // GTK (atleast) requires this
        )
    {
        m_combo->HidePopup();
    }

    event.Skip();
}

void wxPGComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
{
    m_combo->HidePopup();
    event.Skip();
}

void wxPGComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
{
    m_combo->HidePopup();
    event.Skip();
}

void wxPGComboFrameEventHandler::OnClose( wxCloseEvent& event )
{
    m_combo->HidePopup();
    event.Skip();
}

void wxPGComboFrameEventHandler::OnActivate( wxActivateEvent& event )
{
    m_combo->HidePopup();
    event.Skip();
}

void wxPGComboFrameEventHandler::OnResize( wxSizeEvent& event )
{
    m_combo->HidePopup();
    event.Skip();
}

void wxPGComboFrameEventHandler::OnMove( wxMoveEvent& event )
{
    m_combo->HidePopup();
    event.Skip();
}

#endif // INSTALL_TOPLEV_HANDLER

// ----------------------------------------------------------------------------
// wxPGComboPopupWindow is wxPopupWindow customized for
// wxComboControl.
// ----------------------------------------------------------------------------

class wxPGComboPopupWindow : public wxPGComboPopupWindowBase
{
public:

    wxPGComboPopupWindow( wxPGComboControlBase *parent, int style = wxBORDER_NONE );

#if USE_TRANSIENT_POPUP
    virtual bool ProcessLeftDown(wxMouseEvent& event);
#endif

    void OnKeyEvent(wxKeyEvent& event);

    void OnMouseEvent( wxMouseEvent& event );
#if !wxUSE_POPUPWIN
    void OnActivate( wxActivateEvent& event );
#endif

protected:

#if USE_TRANSIENT_POPUP
    virtual void OnDismiss();
#endif

private:
    DECLARE_EVENT_TABLE()
};


BEGIN_EVENT_TABLE(wxPGComboPopupWindow, wxPGComboPopupWindowBase)
    EVT_MOUSE_EVENTS(wxPGComboPopupWindow::OnMouseEvent)
#if !wxUSE_POPUPWIN
    EVT_ACTIVATE(wxPGComboPopupWindow::OnActivate)
#endif
    EVT_KEY_DOWN(wxPGComboPopupWindow::OnKeyEvent)
    EVT_KEY_UP(wxPGComboPopupWindow::OnKeyEvent)
END_EVENT_TABLE()


wxPGComboPopupWindow::wxPGComboPopupWindow( wxPGComboControlBase *parent,
                                        int style )
#if wxUSE_POPUPWIN
                                       : wxPGComboPopupWindowBase(parent,style)
#else
                                       : wxPGComboPopupWindowBase(parent,
                                                                wxID_ANY,
                                                                wxEmptyString,
                                                                wxPoint(-21,-21),
                                                                wxSize(20,20),
                                                                style)
#endif
{
}

void wxPGComboPopupWindow::OnKeyEvent( wxKeyEvent& event )
{
    // Relay keyboard event to the main child controls
    // (just skipping may just cause the popup to close)
    wxWindowList children = GetChildren();
    wxWindowList::iterator node = children.begin();
    wxWindow* child = (wxWindow*)*node;
    child->AddPendingEvent(event);
}

void wxPGComboPopupWindow::OnMouseEvent( wxMouseEvent& event )
{
    event.Skip();
}

#if !wxUSE_POPUPWIN
void wxPGComboPopupWindow::OnActivate( wxActivateEvent& event )
{
    if ( !event.GetActive() )
    {
        // Tell combo control that we are dismissed.
        wxPGComboControl* combo = (wxPGComboControl*) GetParent();
        wxASSERT( combo );
        wxASSERT( combo->IsKindOf(CLASSINFO(wxPGComboControl)) );

        combo->HidePopup();

        event.Skip();
    }
}
#endif

#if USE_TRANSIENT_POPUP
bool wxPGComboPopupWindow::ProcessLeftDown(wxMouseEvent& event )
{
    return wxPGComboPopupWindowBase::ProcessLeftDown(event);
}
#endif

#if USE_TRANSIENT_POPUP
// First thing that happens when a transient popup closes is that this method gets called.
void wxPGComboPopupWindow::OnDismiss()
{
    wxPGComboControlBase* combo = (wxPGComboControlBase*) GetParent();
    wxASSERT ( combo->IsKindOf(CLASSINFO(wxPGComboControlBase)) );

    combo->OnPopupDismiss();
}
#endif

// ----------------------------------------------------------------------------
// wxPGComboPopup methods
//
// ----------------------------------------------------------------------------

wxPGComboPopup::~wxPGComboPopup()
{
}

void wxPGComboPopup::OnPopup()
{
}

void wxPGComboPopup::OnDismiss()
{
}

wxSize wxPGComboPopup::GetAdjustedSize( int minWidth,
                                      int prefHeight,
                                      int WXUNUSED(maxHeight) )
{
    return wxSize(minWidth,prefHeight);
}

void wxPGComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
{
    if ( m_combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
    {
        m_combo->DrawFocusBackground(dc,rect,0);

        dc.DrawText( GetStringValue(),
                     rect.x + m_combo->GetTextIndent(),
                     (rect.height-dc.GetCharHeight())/2 + m_combo->m_widthCustomBorder );
    }
}

void wxPGComboPopup::OnComboKeyEvent( wxKeyEvent& event )
{
    event.Skip();