proplist.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

/////////////////////////////////////////////////////////////////////////////
// Name:        contrib/src/deprecated/proplist.cpp
// Purpose:     Property list classes
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id: proplist.cpp,v 1.14 2006/03/28 11:02:19 ABX Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

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

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

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#include "wx/deprecated/setup.h"

#if wxUSE_PROPSHEET

#ifndef WX_PRECOMP
    #include "wx/window.h"
    #include "wx/font.h"
    #include "wx/button.h"
    #include "wx/bmpbuttn.h"
    #include "wx/textctrl.h"
    #include "wx/listbox.h"
    #include "wx/settings.h"
    #include "wx/msgdlg.h"
    #include "wx/filedlg.h"
#endif

#include "wx/sizer.h"
#include "wx/module.h"
#include "wx/intl.h"
#include "wx/artprov.h"

#include "wx/colordlg.h"
#include "wx/deprecated/proplist.h"

#include <ctype.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>

#if !WXWIN_COMPATIBILITY_2_4
static inline wxChar* copystring(const wxChar* s)
    { return wxStrcpy(new wxChar[wxStrlen(s) + 1], s); }
#endif

// ----------------------------------------------------------------------------
// Property text edit control
// ----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxPropertyTextEdit, wxTextCtrl)

wxPropertyTextEdit::wxPropertyTextEdit(wxPropertyListView *v, wxWindow *parent,
    const wxWindowID id, const wxString& value,
    const wxPoint& pos, const wxSize& size,
    long style, const wxString& name):
 wxTextCtrl(parent, id, value, pos, size, style, wxDefaultValidator, name)
{
  m_view = v;
}

void wxPropertyTextEdit::OnSetFocus()
{
}

void wxPropertyTextEdit::OnKillFocus()
{
}

// ----------------------------------------------------------------------------
// Property list view
// ----------------------------------------------------------------------------

bool wxPropertyListView::sm_dialogCancelled = false;

IMPLEMENT_DYNAMIC_CLASS(wxPropertyListView, wxPropertyView)

BEGIN_EVENT_TABLE(wxPropertyListView, wxPropertyView)
    EVT_BUTTON(wxID_OK,                 wxPropertyListView::OnOk)
    EVT_BUTTON(wxID_CANCEL,             wxPropertyListView::OnCancel)
    EVT_BUTTON(wxID_HELP,               wxPropertyListView::OnHelp)
    EVT_BUTTON(wxID_PROP_CROSS,         wxPropertyListView::OnCross)
    EVT_BUTTON(wxID_PROP_CHECK,         wxPropertyListView::OnCheck)
    EVT_BUTTON(wxID_PROP_EDIT,          wxPropertyListView::OnEdit)
    EVT_TEXT_ENTER(wxID_PROP_TEXT,      wxPropertyListView::OnText)
    EVT_LISTBOX(wxID_PROP_SELECT,       wxPropertyListView::OnPropertySelect)
    EVT_COMMAND(wxID_PROP_SELECT, wxEVT_COMMAND_LISTBOX_DOUBLECLICKED,
                                        wxPropertyListView::OnPropertyDoubleClick)
    EVT_LISTBOX(wxID_PROP_VALUE_SELECT, wxPropertyListView::OnValueListSelect)
END_EVENT_TABLE()

wxPropertyListView::wxPropertyListView(wxPanel *propPanel, long flags):wxPropertyView(flags)
{
  m_propertyScrollingList = NULL;
  m_valueList = NULL;
  m_valueText = NULL;
  m_editButton = NULL;
  m_confirmButton = NULL;
  m_cancelButton = NULL;
  m_propertyWindow = propPanel;
  m_managedWindow = NULL;

  m_windowCloseButton = NULL;
  m_windowCancelButton = NULL;
  m_windowHelpButton = NULL;

  m_detailedEditing = false;
}

wxPropertyListView::~wxPropertyListView()
{
}

void wxPropertyListView::ShowView(wxPropertySheet *ps, wxPanel *panel)
{
  m_propertySheet = ps;

  AssociatePanel(panel);
  CreateControls();

  UpdatePropertyList();
  panel->Layout();
}

// Update this view of the viewed object, called e.g. by
// the object itself.
bool wxPropertyListView::OnUpdateView()
{
  return true;
}

bool wxPropertyListView::UpdatePropertyList(bool clearEditArea)
{
  if (!m_propertyScrollingList || !m_propertySheet)
    return false;

  m_propertyScrollingList->Clear();
  if (clearEditArea)
  {
    m_valueList->Clear();
    m_valueText->SetValue(wxEmptyString);
  }
  wxNode *node = m_propertySheet->GetProperties().GetFirst();

  // Should sort them... later...
  while (node)
  {
    wxProperty *property = (wxProperty *)node->GetData();
    wxString stringValueRepr(property->GetValue().GetStringRepresentation());
    wxString paddedString(MakeNameValueString(property->GetName(), stringValueRepr));
    m_propertyScrollingList->Append(paddedString.GetData(), (void *)property);
    node = node->GetNext();
  }
  return true;
}

bool wxPropertyListView::UpdatePropertyDisplayInList(wxProperty *property)
{
  if (!m_propertyScrollingList || !m_propertySheet)
    return false;

#ifdef __WXMSW__
  int currentlySelected = m_propertyScrollingList->GetSelection();
#endif
// #ifdef __WXMSW__
  wxString stringValueRepr(property->GetValue().GetStringRepresentation());
  wxString paddedString(MakeNameValueString(property->GetName(), stringValueRepr));
  int sel = FindListIndexForProperty(property);

  if (sel > -1)
  {
    // Don't update the listbox unnecessarily because it can cause
    // ugly flashing.

    if (paddedString != m_propertyScrollingList->GetString(sel))
      m_propertyScrollingList->SetString(sel, paddedString.GetData());
  }
//#else
//  UpdatePropertyList(false);
//#endif

  // TODO: why is this necessary?
#ifdef __WXMSW__
  if (currentlySelected > -1)
    m_propertyScrollingList->SetSelection(currentlySelected);
#endif

  return true;
}

// Find the wxListBox index corresponding to this property
int wxPropertyListView::FindListIndexForProperty(wxProperty *property)
{
  int n = m_propertyScrollingList->GetCount();
  for (int i = 0; i < n; i++)
  {
    if (property == (wxProperty *)m_propertyScrollingList->wxListBox::GetClientData(i))
      return i;
  }
  return wxNOT_FOUND;
}

wxString wxPropertyListView::MakeNameValueString(wxString name, wxString value)
{
  wxString theString(name);

  int nameWidth = 25;
  int padWith = nameWidth - theString.length();
  if (padWith < 0)
    padWith = 0;

  if (GetFlags() & wxPROP_SHOWVALUES)
  {
    // Want to pad with spaces
    theString.Append( wxT(' '), padWith);
    theString += value;
  }

  return theString;
}

// Select and show string representation in validator the given
// property. NULL resets to show no property.
bool wxPropertyListView::ShowProperty(wxProperty *property, bool select)
{
  if (m_currentProperty)
  {
    EndShowingProperty(m_currentProperty);
    m_currentProperty = NULL;
  }

  m_valueList->Clear();
  m_valueText->SetValue(wxEmptyString);

  if (property)
  {
    m_currentProperty = property;
    BeginShowingProperty(property);
  }
  if (select)
  {
    int sel = FindListIndexForProperty(property);
    if (sel != wxNOT_FOUND)
      m_propertyScrollingList->SetSelection(sel);
  }
  return true;
}

// Find appropriate validator and load property into value controls
bool wxPropertyListView::BeginShowingProperty(wxProperty *property)
{
  m_currentValidator = FindPropertyValidator(property);
  if (!m_currentValidator)
    return false;

  if (!m_currentValidator->IsKindOf(CLASSINFO(wxPropertyListValidator)))
    return false;

  wxPropertyListValidator *listValidator = (wxPropertyListValidator *)m_currentValidator;

  listValidator->OnPrepareControls(property, this, m_propertyWindow);
  DisplayProperty(property);
  return true;
}

// Find appropriate validator and unload property from value controls
bool wxPropertyListView::EndShowingProperty(wxProperty *property)
{
  if (!m_currentValidator)
    return false;

  RetrieveProperty(property);

  if (!m_currentValidator->IsKindOf(CLASSINFO(wxPropertyListValidator)))
    return false;

  wxPropertyListValidator *listValidator = (wxPropertyListValidator *)m_currentValidator;

  listValidator->OnClearControls(property, this, m_propertyWindow);
  if (m_detailedEditing)
  {
    listValidator->OnClearDetailControls(property, this, m_propertyWindow);
    m_detailedEditing = false;
  }
  return true;
}

void wxPropertyListView::BeginDetailedEditing()
{
  if (!m_currentValidator)
    return;
  if (!m_currentProperty)
    return;
  if (m_detailedEditing)
    return;
  if (!m_currentValidator->IsKindOf(CLASSINFO(wxPropertyListValidator)))
    return;
  if (!m_currentProperty->IsEnabled())
    return;

  wxPropertyListValidator *listValidator = (wxPropertyListValidator *)m_currentValidator;

  if (listValidator->OnPrepareDetailControls(m_currentProperty, this, m_propertyWindow))
    m_detailedEditing = true;
}

void wxPropertyListView::EndDetailedEditing()
{
  if (!m_currentValidator)
    return;
  if (!m_currentProperty)
    return;

  RetrieveProperty(m_currentProperty);

  if (!m_currentValidator->IsKindOf(CLASSINFO(wxPropertyListValidator)))
    return;

  wxPropertyListValidator *listValidator = (wxPropertyListValidator *)m_currentValidator;

  if (m_detailedEditing)
  {
    listValidator->OnClearDetailControls(m_currentProperty, this, m_propertyWindow);
    m_detailedEditing = false;
  }
}

bool wxPropertyListView::DisplayProperty(wxProperty *property)
{
  if (!m_currentValidator)
    return false;

  if (((m_currentValidator->GetFlags() & wxPROP_ALLOW_TEXT_EDITING) == 0) || !property->IsEnabled())
    m_valueText->SetEditable(false);
  else
    m_valueText->SetEditable(true);

  if (!m_currentValidator->IsKindOf(CLASSINFO(wxPropertyListValidator)))
    return false;

  wxPropertyListValidator *listValidator = (wxPropertyListValidator *)m_currentValidator;

  listValidator->OnDisplayValue(property, this, m_propertyWindow);
  return true;
}

bool wxPropertyListView::RetrieveProperty(wxProperty *property)
{
  if (!m_currentValidator)
    return false;
  if (!property->IsEnabled())
    return false;

  if (!m_currentValidator->IsKindOf(CLASSINFO(wxPropertyListValidator)))
    return false;

  wxPropertyListValidator *listValidator = (wxPropertyListValidator *)m_currentValidator;

  if (listValidator->OnCheckValue(property, this, m_propertyWindow))
  {
    if (listValidator->OnRetrieveValue(property, this, m_propertyWindow))
    {
      UpdatePropertyDisplayInList(property);
      OnPropertyChanged(property);
    }
  }
  else
  {
    // Revert to old value
    listValidator->OnDisplayValue(property, this, m_propertyWindow);
  }
  return true;
}


bool wxPropertyListView::EditProperty(wxProperty *WXUNUSED(property))
{
  return true;
}

// Called by the listbox callback
void wxPropertyListView::OnPropertySelect(wxCommandEvent& WXUNUSED(event))
{
  int sel = m_propertyScrollingList->GetSelection();
  if (sel != wxNOT_FOUND)
  {
    wxProperty *newSel = (wxProperty *)m_propertyScrollingList->wxListBox::GetClientData(sel);
    if (newSel && newSel != m_currentProperty)
    {
      ShowProperty(newSel, false);
    }
  }
}

bool wxPropertyListView::CreateControls()
{
    wxPanel *panel = (wxPanel *)m_propertyWindow;

    wxSize largeButtonSize( 70, 25 );
    wxSize smallButtonSize( 23, 23 );

    if (m_valueText)
        return true;

    if (!panel)
        return false;

    wxFont guiFont = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);

#ifdef __WXMSW__
    wxFont *boringFont =
        wxTheFontList->FindOrCreateFont(guiFont.GetPointSize(), wxMODERN,
                                        wxNORMAL, wxNORMAL, false, _T("Courier New"));
#else
    wxFont *boringFont = wxTheFontList->FindOrCreateFont(guiFont.GetPointSize(), wxTELETYPE, wxNORMAL, wxNORMAL);
#endif

    // May need to be changed in future to eliminate clashes with app.
    // WHAT WAS THIS FOR?
//  panel->SetClientData((char *)this);

    wxBoxSizer *mainsizer = new wxBoxSizer( wxVERTICAL );

    // top row with optional buttons and input line

    wxBoxSizer *topsizer = new wxBoxSizer( wxHORIZONTAL );
    int buttonborder = 3;

    if (m_buttonFlags & wxPROP_BUTTON_CHECK_CROSS)
    {
        wxBitmap tickBitmap = wxArtProvider::GetBitmap(wxART_TICK_MARK);
        wxBitmap crossBitmap = wxArtProvider::GetBitmap(wxART_CROSS_MARK);

        if ( tickBitmap.Ok() && crossBitmap.Ok() )
        {
            m_confirmButton = new wxBitmapButton(panel, wxID_PROP_CHECK, tickBitmap, wxDefaultPosition, smallButtonSize );
            m_cancelButton = new wxBitmapButton(panel, wxID_PROP_CROSS, crossBitmap, wxDefaultPosition, smallButtonSize );
        }
        else
        {
            m_confirmButton = new wxButton(panel, wxID_PROP_CHECK, _T(":-)"), wxDefaultPosition, smallButtonSize );