///////////////////////////////////////////////////////////////////////////////
-// Name: checklst.cpp
+// 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
///////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#if wxUSE_OWNER_DRAWN
+#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/object.h"
-#include "wx/colour.h"
-#include "wx/font.h"
-#include "wx/bitmap.h"
-#include "wx/window.h"
-#include "wx/listbox.h"
+#include "wx/os2/dc.h"
#include "wx/ownerdrw.h"
-#include "wx/settings.h"
-#include "wx/dcmemory.h"
-#include "wx/os2/checklst.h"
-#include "wx/log.h"
#define INCL_PM
#include <os2.h>
+// ----------------------------------------------------------------------------
+// constants for base class
+// ----------------------------------------------------------------------------
+
+static const int CHECK_MARK_WIDTH = 15;
+
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
// implementation
// ============================================================================
- IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
-
// ----------------------------------------------------------------------------
// declaration and implementation of wxCheckListBoxItem class
// ----------------------------------------------------------------------------
class wxCheckListBoxItem : public wxOwnerDrawn
{
-friend class wxCheckListBox;
+ friend class wxCheckListBox;
public:
- // ctor
- wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex);
-
- // drawing functions
- virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat);
-
- // simple accessors
- bool IsChecked() const { return m_bChecked; }
- void Check(bool bCheck);
- void Toggle() { Check(!IsChecked()); }
+ //
+ // 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;
-};
+ bool m_bChecked;
+ wxCheckListBox* m_pParent;
+ size_t m_nIndex;
+}; // end of CLASS wxCheckListBoxItem
-wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex)
- : wxOwnerDrawn("", 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
-
- // fix appearance
- SetMarginWidth(GetDefaultMarginWidth());
-}
-
-/*
- * JACS - I've got the owner-draw stuff partially working with WIN16,
- * with a really horrible-looking cross for wxCheckListBox instead of a
- * check - could use a bitmap check-mark instead, defined in wx.rc.
- * Also there's a refresh problem whereby it doesn't always draw the
- * check until you click to the right of it, which is OK for WIN32.
- */
-
-bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc,
- wxODAction act, wxODStatus stat)
-{
- if ( IsChecked() )
- stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked);
-// TODO:
-/*
- if ( wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) ) {
- // ## using native API for performance and precision
- size_t nCheckWidth = GetDefaultMarginWidth(),
- nCheckHeight = m_pParent->GetItemHeight();
-
- int x = rc.GetX(),
- y = rc.GetY();
-
- HDC hdc = (HDC)dc.GetHDC();
-
- // create pens
- HPEN hpenBack = CreatePen(PS_SOLID, 0, GetSysColor(COLOR_WINDOW)),
- hpenGray = CreatePen(PS_SOLID, 0, RGB(128, 128, 128)),
- hpenPrev = (HPEN)SelectObject(hdc, hpenBack);
-
- // we erase the 1-pixel border
- Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight);
-
- // shift check mark 1 pixel to the right (it looks better like this)
- x++;
-
- if ( IsChecked() ) {
- // first create a monochrome bitmap in a memory DC
- HDC hdcMem = CreateCompatibleDC(hdc);
- HBITMAP hbmpCheck = CreateBitmap(nCheckWidth, nCheckHeight, 1, 1, 0);
- HBITMAP hbmpOld = (HBITMAP)SelectObject(hdcMem, hbmpCheck);
+wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox* pParent, size_t nIndex)
+ :wxOwnerDrawn( wxEmptyString, true /* checkable */ )
+{
+ m_bChecked = false;
+ m_pParent = pParent;
+ m_nIndex = nIndex;
- // then draw a check mark into it
- RECT rect ;
- rect.left = 0 ;
- rect.top = 0 ;
- rect.right = nCheckWidth ;
- rect.bottom = nCheckHeight ;
+ //
+ // 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
-#ifdef __WIN32__
-#ifndef __SC__
- DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
-#endif
-#else
- // In WIN16, draw a cross
- HPEN blackPen = CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
- HPEN whiteBrush = (HPEN)GetStockObject(WHITE_BRUSH);
- HPEN hPenOld = (HPEN)::SelectObject(hdcMem, blackPen);
- HPEN hBrushOld = (HPEN)::SelectObject(hdcMem, whiteBrush);
- ::SetROP2(hdcMem, R2_COPYPEN);
- Rectangle(hdcMem, 0, 0, nCheckWidth, nCheckHeight);
- MoveTo(hdcMem, 0, 0);
- LineTo(hdcMem, nCheckWidth, nCheckHeight);
- MoveTo(hdcMem, nCheckWidth, 0);
- LineTo(hdcMem, 0, nCheckHeight);
- ::SelectObject(hdcMem, hPenOld);
- ::SelectObject(hdcMem, hBrushOld);
- ::DeleteObject(blackPen);
-#endif
- // finally copy it to screen DC and clean up
- BitBlt(hdc, x, y, nCheckWidth - 1, nCheckHeight,
- hdcMem, 0, 0, SRCCOPY);
- SelectObject(hdcMem, hbmpOld);
- DeleteObject(hbmpCheck);
- DeleteDC(hdcMem);
+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
- // now we draw the smaller rectangle
- y++;
- nCheckWidth -= 2;
- nCheckHeight -= 2;
-
- // draw hollow gray rectangle
- (void)SelectObject(hdc, hpenGray);
- HBRUSH hbrPrev = (HBRUSH)SelectObject(hdc, GetStockObject(NULL_BRUSH));
- Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight);
-
- // clean up
- (void)SelectObject(hdc, hpenPrev);
- (void)SelectObject(hdc, hbrPrev);
-
- DeleteObject(hpenBack);
- DeleteObject(hpenGray);
-
-//
-// dc.DrawRectangle(x, y, nCheckWidth, nCheckHeight);
//
-// if ( IsChecked() ) {
-// dc.DrawLine(x, y, x + nCheckWidth, y + nCheckHeight);
-// dc.DrawLine(x, y + nCheckHeight, x + nCheckWidth, y);
-// }
+// Change the state of the item and redraw it
//
-
- return TRUE;
- }
-*/
- return FALSE;
-}
-
-// change the state of the item and redraw it
-void wxCheckListBoxItem::Check(bool check)
+void wxCheckListBoxItem::Check( bool bCheck )
{
- m_bChecked = check;
+ m_bChecked = bCheck;
- // index may be chanegd because new items were added/deleted
- if ( m_pParent->GetItemIndex(this) != (int)m_nIndex )
+ //
+ // Index may be chanegd because new items were added/deleted
+ //
+ if (m_pParent->GetItemIndex(this) != (int)m_nIndex)
{
- // update it
- int index = m_pParent->GetItemIndex(this);
+ //
+ // Update it
+ //
+ int nIndex = m_pParent->GetItemIndex(this);
- wxASSERT_MSG( index != wxNOT_FOUND, wxT("what does this item do here?") );
+ wxASSERT_MSG(nIndex != wxNOT_FOUND, wxT("what does this item do here?"));
- m_nIndex = (size_t)index;
+ m_nIndex = (size_t)nIndex;
}
- HWND hwndListbox = (HWND)m_pParent->GetHWND();
-// TODO:
-/*
- RECT rcUpdate;
- if ( ::SendMessage(hwndListbox, LB_GETITEMRECT,
- m_nIndex, (LPARAM)&rcUpdate) == LB_ERR )
- {
- wxLogDebug(wxT("LB_GETITEMRECT failed"));
- }
+ wxCommandEvent vEvent( wxEVT_CHECKLISTBOX,m_pParent->GetId());
+
+ vEvent.SetInt(m_nIndex);
+ vEvent.SetEventObject(m_pParent);
+ m_pParent->ProcessCommand(vEvent);
+} // end of wxCheckListBoxItem::Check
- InvalidateRect(hwndListbox, &rcUpdate, FALSE);
-*/
- wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId());
- event.SetInt(m_nIndex);
- event.SetEventObject(m_pParent);
- m_pParent->ProcessCommand(event);
-}
// ----------------------------------------------------------------------------
// implementation of wxCheckListBox class
// define event table
// ------------------
BEGIN_EVENT_TABLE(wxCheckListBox, wxListBox)
- EVT_CHAR(wxCheckListBox::OnChar)
- EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick)
+ EVT_CHAR(wxCheckListBox::OnChar)
+ EVT_LEFT_DOWN(wxCheckListBox::OnLeftClick)
END_EVENT_TABLE()
-// control creation
+
+
+//
+// Control creation
// ----------------
+//
-// def ctor: use Create() to really create the control
-wxCheckListBox::wxCheckListBox() : wxListBox()
+//
+// Default ctor: use Create() to really create the control
+//
+wxCheckListBox::wxCheckListBox()
+ :wxCheckListBoxBase()
{
-}
-
-// ctor which creates the associated control
-wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
- const wxPoint& pos, const wxSize& size,
- int nStrings, const wxString choices[],
-#if wxUSE_VALIDATORS
- long style, const wxValidator& val,
-#endif
- const wxString& name)
- : wxListBox()
+} // 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(parent, id, pos, size, nStrings, choices,
- style | wxLB_OWNERDRAW, val, name);
-}
+ 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(int N)
+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 )
{
- wxCHECK_RET( N >= 0 && N < m_noItems,
- wxT("invalid index in wxListBox::Delete") );
+ for (unsigned int i = 0; i < m_aItems.GetCount(); i++)
+ m_aItems[i]->SetFont(rFont);
+ wxListBox::SetFont(rFont);
+ return true;
+} // end of wxCheckListBox::SetFont
- wxListBox::Delete(N);
- // free memory
- delete m_aItems[N];
- m_aItems.RemoveAt(N);
-}
+//
+// Create/retrieve item
+// --------------------
+//
-void wxCheckListBox::InsertItems(int nItems, const wxString items[], int pos)
+//
+// Create a check list box item
+//
+wxOwnerDrawn* wxCheckListBox::CreateItem(size_t nIndex)
{
- wxCHECK_RET( pos >= 0 && pos <= m_noItems,
- wxT("invalid index in wxCheckListBox::InsertItems") );
+ wxCheckListBoxItem* pItem = new wxCheckListBoxItem( this, nIndex );
+ return pItem;
+} // end of wxCheckListBox::CreateItem
- wxListBox::InsertItems(nItems, items, pos);
- int i;
- for ( i = 0; i < nItems; i++ ) {
- wxOwnerDrawn *pNewItem = CreateItem((size_t)(pos + i));
- pNewItem->SetName(items[i]);
- m_aItems.Insert(pNewItem, (size_t)(pos + i));
-// ListBox_SetItemData((HWND)GetHWND(), i + pos, pNewItem);
+
+//
+// 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
-bool wxCheckListBox::SetFont( const wxFont &font )
-{
- size_t i;
- for (i=0; i < m_aItems.GetCount(); i++)
- m_aItems[i]->SetFont(font);
- wxListBox::SetFont(font);
- return TRUE;
-}
-
-// create/retrieve item
-// --------------------
-// create a check list box item
-wxOwnerDrawn *wxCheckListBox::CreateItem(size_t nIndex)
+//
+// Check items
+// -----------
+//
+bool wxCheckListBox::IsChecked(unsigned int uiIndex) const
{
- wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this, nIndex);
- return pItem;
-}
+ return GetItem(uiIndex)->IsChecked();
+} // end of wxCheckListBox::IsChecked
-// return item size
-// ----------------
-// TODO:
-/*
-bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
+void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck)
{
- if ( wxListBox::MSWOnMeasure(item) ) {
- MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
+ GetItem(uiIndex)->Check(bCheck);
+} // end of wxCheckListBox::Check
- // save item height
- m_nItemHeight = pStruct->itemHeight;
- // add place for the check mark
- pStruct->itemWidth += wxOwnerDrawn::GetDefaultMarginWidth();
- return TRUE;
- }
-
- return FALSE;
-}
-*/
-// check items
-// -----------
-
-bool wxCheckListBox::IsChecked(size_t uiIndex) const
+//
+// Process events
+// --------------
+//
+void wxCheckListBox::OnChar ( wxKeyEvent& rEvent )
{
- return GetItem(uiIndex)->IsChecked();
-}
+ if (rEvent.GetKeyCode() == WXK_SPACE)
+ GetItem(GetSelection())->Toggle();
+ else
+ rEvent.Skip();
+} // end of wxCheckListBox::OnChar
-void wxCheckListBox::Check(size_t uiIndex, bool bCheck)
+void wxCheckListBox::OnLeftClick ( wxMouseEvent& rEvent )
{
- GetItem(uiIndex)->Check(bCheck);
-}
+ //
+ // Clicking on the item selects it, clicking on the checkmark toggles
+ //
+ if (rEvent.GetX() <= CHECK_MARK_WIDTH)
+ {
+ int nParentHeight;
+ wxScreenDC vDc;
+ wxCoord vHeight;
-// process events
-// --------------
+ GetSize( NULL, &nParentHeight );
+ vDc.SetFont(GetFont());
+ vHeight = (wxCoord)(vDc.GetCharHeight() * 2.5);
-void wxCheckListBox::OnChar(wxKeyEvent& event)
-{
- if ( event.KeyCode() == WXK_SPACE )
- GetItem(GetSelection())->Toggle();
- else
- event.Skip();
-}
+ //
+ // This, of course, will not work if the LB is scrolled
+ //
+ int nY = rEvent.GetY();
-void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
-{
- // clicking on the item selects it, clicking on the checkmark toggles
- if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) {
-// TODO:
-/*
- size_t nItem = (size_t)::SendMessage
- (
- (HWND)GetHWND(),
- LB_ITEMFROMPOINT,
- 0,
- MAKELPARAM(event.GetX(), event.GetY())
- );
-*/
- size_t nItem = 0;
-
- if ( nItem < (size_t)m_noItems )
- 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
- event.Skip();
- }
-}
+ nY = nParentHeight - (nY + vHeight);
-#endif
+ 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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