wxChoicebook generic implementation.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29148 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Włodzimierz Skiba
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src/generic/choicbkg.cpp
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410
src/generic/choicbkg.cpp
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///////////////////////////////////////////////////////////////////////////////
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// Name: generic/choicbkg.cpp
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// Purpose: generic implementation of wxChoicebook
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// Author: Vadim Zeitlin
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// Modified by: Wlodzimierz ABX Skiba from generic/listbkg.cpp
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// Created: 15.09.04
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// RCS-ID: $Id$
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// Copyright: (c) Vadim Zeitlin, Wlodzimierz Skiba
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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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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#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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#pragma implementation "choicebook.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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#if wxUSE_CHOICEBOOK
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#include "wx/choice.h"
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#include "wx/choicebk.h"
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#include "wx/imaglist.h"
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#include "wx/settings.h"
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// margin between the choice and the page
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#if defined(__WXWINCE__)
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const wxCoord MARGIN = 1;
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#else
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const wxCoord MARGIN = 5;
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#endif
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// ----------------------------------------------------------------------------
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// various wxWidgets macros
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// ----------------------------------------------------------------------------
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IMPLEMENT_DYNAMIC_CLASS(wxChoicebook, wxControl)
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IMPLEMENT_DYNAMIC_CLASS(wxChoicebookEvent, wxNotifyEvent)
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const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING = wxNewEventType();
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const wxEventType wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED = wxNewEventType();
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const int wxID_CHOICEBOOKCHOICE = wxNewId();
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BEGIN_EVENT_TABLE(wxChoicebook, wxBookCtrl)
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EVT_SIZE(wxChoicebook::OnSize)
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EVT_CHOICE(wxID_CHOICEBOOKCHOICE, wxChoicebook::OnChoiceSelected)
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END_EVENT_TABLE()
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// ============================================================================
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// wxChoicebook implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxChoicebook creation
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// ----------------------------------------------------------------------------
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void wxChoicebook::Init()
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{
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m_choice = NULL;
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m_selection = wxNOT_FOUND;
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}
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bool
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wxChoicebook::Create(wxWindow *parent,
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wxWindowID id,
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const wxPoint& pos,
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const wxSize& size,
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long style,
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const wxString& name)
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{
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if ( (style & wxCHB_ALIGN_MASK) == wxCHB_DEFAULT )
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{
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style |= wxCHB_TOP;
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}
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// no border for this control, it doesn't look nice together with
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// wxChoice border
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style &= ~wxBORDER_MASK;
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style |= wxBORDER_NONE;
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if ( !wxControl::Create(parent, id, pos, size, style,
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wxDefaultValidator, name) )
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return false;
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m_choice = new wxChoice
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(
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this,
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wxID_CHOICEBOOKCHOICE,
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wxDefaultPosition,
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wxDefaultSize
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);
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return true;
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}
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// ----------------------------------------------------------------------------
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// wxChoicebook geometry management
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// ----------------------------------------------------------------------------
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wxSize wxChoicebook::GetChoiceSize() const
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{
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const wxSize sizeClient = GetClientSize(),
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sizeChoice = m_choice->GetBestSize();
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wxSize size;
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if ( IsVertical() )
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{
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size.x = sizeClient.x;
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size.y = sizeChoice.y;
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}
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else // left/right aligned
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{
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size.x = sizeChoice.x;
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size.y = sizeClient.y;
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}
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return size;
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}
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wxRect wxChoicebook::GetPageRect() const
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{
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const wxSize sizeChoice = m_choice->GetSize();
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wxRect rectPage(wxPoint(0, 0), GetClientSize());
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switch ( GetWindowStyle() & wxCHB_ALIGN_MASK )
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{
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default:
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wxFAIL_MSG( _T("unexpected wxChoicebook alignment") );
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// fall through
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case wxCHB_TOP:
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rectPage.y = sizeChoice.y + MARGIN;
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// fall through
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case wxCHB_BOTTOM:
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rectPage.height -= sizeChoice.y + MARGIN;
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break;
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case wxCHB_LEFT:
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rectPage.x = sizeChoice.x + MARGIN;
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// fall through
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case wxCHB_RIGHT:
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rectPage.width -= sizeChoice.x + MARGIN;
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break;
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}
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return rectPage;
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}
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void wxChoicebook::OnSize(wxSizeEvent& event)
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{
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event.Skip();
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if ( !m_choice )
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{
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// we're not fully created yet
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return;
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}
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// resize the choice control and the page area to fit inside our new size
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const wxSize sizeClient = GetClientSize(),
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sizeChoice = GetChoiceSize();
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wxPoint posChoice;
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switch ( GetWindowStyle() & wxCHB_ALIGN_MASK )
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{
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default:
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wxFAIL_MSG( _T("unexpected wxChoicebook alignment") );
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// fall through
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case wxCHB_TOP:
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case wxCHB_LEFT:
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// posChoice is already ok
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break;
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case wxCHB_BOTTOM:
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posChoice.y = sizeClient.y - sizeChoice.y;
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break;
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case wxCHB_RIGHT:
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posChoice.x = sizeClient.x - sizeChoice.x;
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break;
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}
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m_choice->Move(posChoice.x, posChoice.y);
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m_choice->SetSize(sizeChoice.x, sizeChoice.y);
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// we should always have some selection if possible
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if ( m_selection == wxNOT_FOUND && GetPageCount() )
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{
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SetSelection(0);
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}
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if ( m_selection != wxNOT_FOUND )
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{
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wxWindow *page = m_pages[m_selection];
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wxCHECK_RET( page, _T("NULL page in wxChoicebook?") );
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page->SetSize(GetPageRect());
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if ( !page->IsShown() )
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{
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page->Show();
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}
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}
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}
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wxSize wxChoicebook::CalcSizeFromPage(const wxSize& sizePage) const
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{
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// we need to add the size of the choice control and the margin
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const wxSize sizeChoice = GetChoiceSize();
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wxSize size = sizePage;
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if ( IsVertical() )
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{
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size.y += sizeChoice.y + MARGIN;
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}
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else // left/right aligned
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{
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size.x += sizeChoice.x + MARGIN;
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}
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return size;
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}
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// ----------------------------------------------------------------------------
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// accessing the pages
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// ----------------------------------------------------------------------------
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bool wxChoicebook::SetPageText(size_t n, const wxString& strText)
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{
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m_choice->SetString(n, strText);
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return true;
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}
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wxString wxChoicebook::GetPageText(size_t n) const
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{
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return m_choice->GetString(n);
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}
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int wxChoicebook::GetPageImage(size_t WXUNUSED(n)) const
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{
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wxFAIL_MSG( _T("wxChoicebook::GetPageImage() not implemented") );
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return -1;
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}
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bool wxChoicebook::SetPageImage(size_t WXUNUSED(n), int WXUNUSED(imageId))
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{
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wxFAIL_MSG( _T("wxChoicebook::SetPageImage() not implemented") );
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return false;
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}
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// ----------------------------------------------------------------------------
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// image list stuff
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// ----------------------------------------------------------------------------
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void wxChoicebook::SetImageList(wxImageList *imageList)
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{
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// TODO: can be implemented in form of static bitmap near choice control
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wxBookCtrl::SetImageList(imageList);
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}
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// ----------------------------------------------------------------------------
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// selection
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// ----------------------------------------------------------------------------
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int wxChoicebook::GetSelection() const
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{
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return m_selection;
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}
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int wxChoicebook::SetSelection(size_t n)
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{
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wxCHECK_MSG( n < GetPageCount(), wxNOT_FOUND,
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_T("invalid page index in wxChoicebook::SetSelection()") );
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int selOld = m_selection;
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if ( (int)n != m_selection )
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{
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m_choice->Select(n);
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// change m_selection only now, otherwise OnChoiceSelected() would ignore
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// the selection change event
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if ( m_selection != wxNOT_FOUND )
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m_pages[m_selection]->Hide();
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wxWindow *page = m_pages[m_selection = n];
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page->SetSize(GetPageRect());
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page->Show();
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}
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return selOld;
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}
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// ----------------------------------------------------------------------------
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// adding/removing the pages
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// ----------------------------------------------------------------------------
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bool
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wxChoicebook::InsertPage(size_t n,
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wxWindow *page,
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const wxString& text,
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bool bSelect,
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int imageId)
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{
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if ( !wxBookCtrl::InsertPage(n, page, text, bSelect, imageId) )
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return false;
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m_choice->Insert(text, n);
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if ( bSelect )
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{
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m_choice->Select(n);
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}
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else // don't select this page
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{
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// it will be shown only when selected
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page->Hide();
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}
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InvalidateBestSize();
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return true;
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}
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wxWindow *wxChoicebook::DoRemovePage(size_t page)
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{
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wxWindow *win = wxBookCtrl::DoRemovePage(page);
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if ( win )
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{
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m_choice->Delete(page);
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}
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return win;
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}
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bool wxChoicebook::DeleteAllPages()
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{
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m_choice->Clear();
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return wxBookCtrl::DeleteAllPages();
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}
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// ----------------------------------------------------------------------------
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// wxChoicebook events
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// ----------------------------------------------------------------------------
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void wxChoicebook::OnChoiceSelected(wxCommandEvent& eventChoice)
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{
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const int selNew = eventChoice.GetSelection();
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if ( selNew == m_selection )
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{
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// this event can only come from our own Select(m_selection) below
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// which we call when the page change is vetoed, so we should simply
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// ignore it
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return;
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}
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// first send "change in progress" event which may be vetoed by user
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wxChoicebookEvent eventIng(wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGING, GetId());
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eventIng.SetEventObject(this);
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eventIng.SetSelection(selNew);
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eventIng.SetOldSelection(m_selection);
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if ( GetEventHandler()->ProcessEvent(eventIng) && !eventIng.IsAllowed() )
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{
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m_choice->Select(m_selection);
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return;
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}
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// change allowed: do change the page and notify the user about it
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if ( m_selection != wxNOT_FOUND )
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m_pages[m_selection]->Hide();
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wxWindow *page = m_pages[m_selection = selNew];
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page->SetSize(GetPageRect());
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page->Show();
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wxChoicebookEvent eventEd(wxEVT_COMMAND_CHOICEBOOK_PAGE_CHANGED, GetId());
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eventEd.SetEventObject(this);
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eventEd.SetSelection(selNew);
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eventEd.SetOldSelection(m_selection);
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(void)GetEventHandler()->ProcessEvent(eventEd);
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}
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#endif // wxUSE_CHOICEBOOK
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