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wxWidgets/src/os2/checklst.cpp
Stefan Csomor e7478376f1 fixing duplicate rti info 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66557 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2011-01-04 09:13:49 +00:00

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///////////////////////////////////////////////////////////////////////////////
// Name: src/os2/checklst.cpp
// Purpose: implementation of wxCheckListBox class
// Author: David Webster
// Modified by:
// Created: 10/13/99
// RCS-ID: $Id$
// Copyright: (c) David Webster
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers & declarations
// ============================================================================
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_CHECKLISTBOX && wxUSE_OWNER_DRAWN
#include "wx/checklst.h"
#ifndef WX_PRECOMP
#include "wx/object.h"
#include "wx/log.h"
#include "wx/window.h"
#include "wx/dcmemory.h"
#include "wx/dcscreen.h"
#include "wx/settings.h"
#include "wx/listbox.h"
#include "wx/bitmap.h"
#include "wx/colour.h"
#include "wx/font.h"
#endif
#include "wx/os2/dc.h"
#include "wx/ownerdrw.h"
#define INCL_PM
#include <os2.h>
// ----------------------------------------------------------------------------
// constants for base class
// ----------------------------------------------------------------------------
static const int CHECK_MARK_WIDTH = 15;
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
// get item (converted to right type)
#define GetItem(n) ((wxCheckListBoxItem *)(GetItem(n)))
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// declaration and implementation of wxCheckListBoxItem class
// ----------------------------------------------------------------------------
class wxCheckListBoxItem : public wxOwnerDrawn
{
friend class wxCheckListBox;
public:
//
// ctor
//
wxCheckListBoxItem(wxCheckListBox* pParent, size_t nIndex);
//
// Drawing functions
//
virtual bool OnDrawItem( wxDC& rDc,
const wxRect& rRect,
wxODAction eAct,
wxODStatus eStat
);
//
// Simple accessors
//
bool IsChecked(void) const { return m_bChecked; }
void Check(bool bCheck);
void Toggle(void) { Check(!IsChecked()); }
virtual wxString GetName() const { return m_pParent->GetString(m_nIndex); }
private:
bool m_bChecked;
wxCheckListBox* m_pParent;
size_t m_nIndex;
}; // end of CLASS wxCheckListBoxItem
wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox* pParent, size_t nIndex)
:wxOwnerDrawn( wxEmptyString, true /* checkable */ )
{
m_bChecked = false;
m_pParent = pParent;
m_nIndex = nIndex;
//
// We don't initialize m_nCheckHeight/Width vars because it's
// done in OnMeasure while they are used only in OnDraw and we
// know that there will always be OnMeasure before OnDraw
//
SetMarginWidth(CHECK_MARK_WIDTH);
} // end of wxCheckListBoxItem::wxCheckListBoxItem
bool wxCheckListBoxItem::OnDrawItem ( wxDC& rDc,
const wxRect& rRect,
wxODAction eAct,
wxODStatus eStat )
{
wxRect vRect = rRect;
wxPMDCImpl *impl = (wxPMDCImpl*) rDc.GetImpl();
::WinQueryWindowRect( m_pParent->GetHWND(), &impl->m_vRclPaint );
if (IsChecked())
eStat = (wxOwnerDrawn::wxODStatus)(eStat | wxOwnerDrawn::wxODChecked);
//
// Unfortunately PM doesn't quite get the text position exact. We need to alter
// it down and to the right, just a little bit. The coords in rRect are OS/2
// coords not wxWidgets coords.
//
vRect.x += 5;
vRect.y -= 3;
if (wxOwnerDrawn::OnDrawItem( rDc, vRect, eAct, eStat))
{
size_t nCheckWidth = CHECK_MARK_WIDTH;
size_t nCheckHeight = m_pParent->GetItemHeight();
int nParentHeight;
int nX = rRect.GetX();
int nY = rRect.GetY();
int nOldY = nY;
wxColour vColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
wxPen vPenBack;
wxPen vPenPrev;
m_pParent->GetSize( NULL, &nParentHeight);
nY = nParentHeight - nY - nCheckHeight;
vPenBack = wxPen(vColour, 1, wxSOLID);
//
// Erase the 1-pixel border
//
rDc.SetPen(vPenBack);
rDc.DrawRectangle( nX, nY, nCheckWidth, nCheckHeight );
//
// Now we draw the smaller rectangle
//
nY++;
nCheckWidth -= 2;
nCheckHeight -= 2;
//
// Draw hollow gray rectangle
//
rDc.SetPen(*wxGREY_PEN);
rDc.DrawRectangle( nX, nY, nCheckWidth, nCheckHeight );
nX++;
if (IsChecked())
{
//
// Draw the check by loading the sys standard bitmap and drawing it
//
HBITMAP hChkBmp = ::WinGetSysBitmap( HWND_DESKTOP, SBMP_MENUCHECK );
POINTL vPoint = {nX, nOldY + 3};
wxPMDCImpl *impl = (wxPMDCImpl*) rDc.GetImpl();
::WinDrawBitmap( impl->GetHPS(),
hChkBmp,
NULL,
&vPoint,
NULL,
NULL,
DBM_NORMAL
);
}
return true;
}
return false;
} // end of wxCheckListBoxItem::OnDrawItem
//
// Change the state of the item and redraw it
//
void wxCheckListBoxItem::Check( bool bCheck )
{
m_bChecked = bCheck;
//
// Index may be chanegd because new items were added/deleted
//
if (m_pParent->GetItemIndex(this) != (int)m_nIndex)
{
//
// Update it
//
int nIndex = m_pParent->GetItemIndex(this);
wxASSERT_MSG(nIndex != wxNOT_FOUND, wxT("what does this item do here?"));
m_nIndex = (size_t)nIndex;
}
wxCommandEvent vEvent( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED,m_pParent->GetId());
vEvent.SetInt(m_nIndex);
vEvent.SetEventObject(m_pParent);
m_pParent->ProcessCommand(vEvent);
} // end of wxCheckListBoxItem::Check
// ----------------------------------------------------------------------------
// implementation of wxCheckListBox class
// ----------------------------------------------------------------------------
// define event table
// ------------------
BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
EVT_CHAR(wxCheckListBox::OnChar)
EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick)
END_EVENT_TABLE()
//
// Control creation
// ----------------
//
//
// Default ctor: use Create() to really create the control
//
wxCheckListBox::wxCheckListBox()
:wxCheckListBoxBase()
{
} // end of wxCheckListBox::wxCheckListBox
//
// Ctor which creates the associated control
//
wxCheckListBox::wxCheckListBox ( wxWindow* pParent,
wxWindowID vId,
const wxPoint& rPos,
const wxSize& rSize,
int nStrings,
const wxString asChoices[],
long lStyle,
const wxValidator& rVal,
const wxString& rsName)
:wxCheckListBoxBase()
{
Create( pParent, vId, rPos, rSize, nStrings, asChoices, lStyle | wxLB_OWNERDRAW, rVal, rsName );
} // end of wxCheckListBox::wxCheckListBox
wxCheckListBox::wxCheckListBox ( wxWindow* pParent,
wxWindowID vId,
const wxPoint& rPos,
const wxSize& rSize,
const wxArrayString& asChoices,
long lStyle,
const wxValidator& rVal,
const wxString& rsName )
:wxCheckListBoxBase()
{
wxCArrayString chs(asChoices);
Create( pParent, vId, rPos, rSize, chs.GetCount(), chs.GetStrings(),
lStyle | wxLB_OWNERDRAW, rVal, rsName );
} // end of wxCheckListBox::wxCheckListBox
void wxCheckListBox::Delete(unsigned int n)
{
wxCHECK_RET( IsValid(n),
wxT("invalid index in wxCheckListBox::Delete") );
wxListBox::Delete(n);
//
// Free memory
//
delete m_aItems[n];
m_aItems.RemoveAt(n);
} // end of wxCheckListBox::Delete
bool wxCheckListBox::SetFont ( const wxFont& rFont )
{
for (unsigned int i = 0; i < m_aItems.GetCount(); i++)
m_aItems[i]->SetFont(rFont);
wxListBox::SetFont(rFont);
return true;
} // end of wxCheckListBox::SetFont
//
// Create/retrieve item
// --------------------
//
//
// Create a check list box item
//
wxOwnerDrawn* wxCheckListBox::CreateItem(size_t nIndex)
{
wxCheckListBoxItem* pItem = new wxCheckListBoxItem( this, nIndex );
return pItem;
} // end of wxCheckListBox::CreateItem
//
// Return item size
// ----------------
//
long wxCheckListBox::OS2OnMeasure ( WXMEASUREITEMSTRUCT* pItem )
{
if (!pItem)
pItem = (WXMEASUREITEMSTRUCT*)new OWNERITEM;
if (wxListBox::OS2OnMeasure(pItem))
{
POWNERITEM pStruct = (POWNERITEM)pItem;
//
// Save item height
//
m_nItemHeight = pStruct->rclItem.yTop - pStruct->rclItem.yBottom;
//
// Add place for the check mark
//
pStruct->rclItem.xRight += CHECK_MARK_WIDTH;
return long(MRFROM2SHORT((USHORT)m_nItemHeight, (USHORT)(pStruct->rclItem.xRight - pStruct->rclItem.xLeft)));
}
return 0L;
} // end of wxCheckListBox::CreateItem
//
// Check items
// -----------
//
bool wxCheckListBox::IsChecked(unsigned int uiIndex) const
{
return GetItem(uiIndex)->IsChecked();
} // end of wxCheckListBox::IsChecked
void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck)
{
GetItem(uiIndex)->Check(bCheck);
} // end of wxCheckListBox::Check
//
// Process events
// --------------
//
void wxCheckListBox::OnChar ( wxKeyEvent& rEvent )
{
if (rEvent.GetKeyCode() == WXK_SPACE)
GetItem(GetSelection())->Toggle();
else
rEvent.Skip();
} // end of wxCheckListBox::OnChar
void wxCheckListBox::OnLeftClick ( wxMouseEvent& rEvent )
{
//
// Clicking on the item selects it, clicking on the checkmark toggles
//
if (rEvent.GetX() <= CHECK_MARK_WIDTH)
{
int nParentHeight;
wxScreenDC vDc;
wxCoord vHeight;
GetSize( NULL, &nParentHeight );
vDc.SetFont(GetFont());
vHeight = (wxCoord)(vDc.GetCharHeight() * 2.5);
//
// This, of course, will not work if the LB is scrolled
//
int nY = rEvent.GetY();
nY = nParentHeight - (nY + vHeight);
size_t nItem = (size_t)(nY / vHeight);
if (nItem < m_nNumItems)
GetItem(nItem)->Toggle();
//
// else: it's not an error, just click outside of client zone
//
}
else
{
//
// Implement default behaviour: clicking on the item selects it
//
rEvent.Skip();
}
} // end of wxCheckListBox::OnLeftClick
#endif // wxUSE_CHECKLISTBOX && wxUSE_OWNER_DRAWN
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