///////////////////////////////////////////////////////////////////////////////
-// Name: msw/checklst.cpp
+// Name: src/msw/checklst.cpp
// Purpose: implementation of wxCheckListBox class
// Author: Vadim Zeitlin
// Modified by:
// Created: 16.11.97
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
-#pragma implementation "checklst.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#if wxUSE_OWNER_DRAWN
+#if wxUSE_CHECKLISTBOX && wxUSE_OWNER_DRAWN
+
+#include "wx/checklst.h"
#ifndef WX_PRECOMP
+ #include "wx/msw/wrapcctl.h"
#include "wx/object.h"
#include "wx/colour.h"
#include "wx/font.h"
#include "wx/window.h"
#include "wx/listbox.h"
#include "wx/dcmemory.h"
-
#include "wx/settings.h"
-
#include "wx/log.h"
#endif
#include "wx/ownerdrw.h"
-#include "wx/checklst.h"
-#include <windows.h>
#include <windowsx.h>
-#if defined(__GNUWIN32_OLD__)
- #include "wx/msw/gnuwin32/extra.h"
-#endif
+#include "wx/renderer.h"
+#include "wx/msw/private.h"
+#include "wx/msw/dc.h"
// ----------------------------------------------------------------------------
// private functions
// get item (converted to right type)
#define GetItem(n) ((wxCheckListBoxItem *)(GetItem(n)))
+namespace
+{
+ // space around check mark bitmap in pixels
+ static const int CHECKMARK_EXTRA_SPACE = 1;
+
+ // space betwen check bitmap and text label
+ static const int CHECKMARK_LABEL_SPACE = 2;
+
+} // anonymous namespace
+
// ============================================================================
// implementation
// ============================================================================
-IMPLEMENT_DYNAMIC_CLASS(wxCheckListBox, wxListBox)
-
// ----------------------------------------------------------------------------
// declaration and implementation of wxCheckListBoxItem class
// ----------------------------------------------------------------------------
class wxCheckListBoxItem : public wxOwnerDrawn
{
-friend class WXDLLEXPORT wxCheckListBox;
public:
- // ctor
- wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex);
+ // ctor
+ wxCheckListBoxItem(wxCheckListBox *parent);
+
+ // drawing functions
+ virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat);
+
+ // simple accessors and operations
+ wxCheckListBox *GetParent() const
+ { return m_parent; }
- // drawing functions
- virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat);
+ int GetIndex() const
+ { return m_parent->GetItemIndex(const_cast<wxCheckListBoxItem*>(this)); }
- // simple accessors and operations
- bool IsChecked() const { return m_bChecked; }
+ wxString GetName() const
+ { return m_parent->GetString(GetIndex()); }
- void Check(bool bCheck);
- void Toggle() { Check(!IsChecked()); }
- void SendEvent();
+ bool IsChecked() const
+ { return m_checked; }
+
+ void Check(bool bCheck)
+ { m_checked = bCheck; }
+
+ void Toggle()
+ { Check(!IsChecked()); }
private:
+ wxCheckListBox *m_parent;
+ bool m_checked;
- DECLARE_NO_COPY_CLASS(wxCheckListBoxItem)
- bool m_bChecked;
- wxCheckListBox *m_pParent;
- size_t m_nIndex;
+ wxDECLARE_NO_COPY_CLASS(wxCheckListBoxItem);
};
-wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex)
- : wxOwnerDrawn(wxEmptyString, TRUE) // checkable
+wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *parent)
{
- m_bChecked = FALSE;
- m_pParent = pParent;
- m_nIndex = nIndex;
+ m_parent = parent;
+ m_checked = false;
- // 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
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(parent);
+ size.x += 2 * CHECKMARK_EXTRA_SPACE + CHECKMARK_LABEL_SPACE;
- // fix appearance
- SetMarginWidth(GetDefaultMarginWidth());
+ SetMarginWidth(size.GetWidth());
+ SetBackgroundColour(parent->GetBackgroundColour());
}
-/*
- * 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);
-
- 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);
-
- // then draw a check mark into it
-#if defined(__WIN32__) && !defined(__SC__)
- RECT rect;
- rect.left = 0;
- rect.top = 0;
- rect.right = nCheckWidth;
- rect.bottom = nCheckHeight;
-
- DrawFrameControl(hdcMem, &rect, DFC_MENU, DFCS_MENUCHECK);
-#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);
- }
-
- // now we draw the smaller rectangle
- y++;
- nCheckWidth -= 2;
- nCheckHeight -= 2;
+ // first draw the label
+ if ( !wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) )
+ return false;
- // draw hollow gray rectangle
- (void)SelectObject(hdc, hpenGray);
- HBRUSH hbrPrev = (HBRUSH)SelectObject(hdc, GetStockObject(NULL_BRUSH));
- Rectangle(hdc, x, y, x + nCheckWidth, y + nCheckHeight);
+ // now draw the check mark part
+ wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
+ HDC hdc = GetHdcOf(*impl);
- // clean up
- (void)SelectObject(hdc, hpenPrev);
- (void)SelectObject(hdc, hbrPrev);
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(GetParent());
- DeleteObject(hpenBack);
- DeleteObject(hpenGray);
+ // first create bitmap in a memory DC
+ MemoryHDC hdcMem(hdc);
+ CompatibleBitmap hBmpCheck(hdc, size.GetWidth(), size.GetHeight());
- /*
- dc.DrawRectangle(x, y, nCheckWidth, nCheckHeight);
-
- if ( IsChecked() ) {
- dc.DrawLine(x, y, x + nCheckWidth, y + nCheckHeight);
- dc.DrawLine(x, y + nCheckHeight, x + nCheckWidth, y);
- }
- */
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-// change the state of the item and redraw it
-void wxCheckListBoxItem::Check(bool check)
-{
- m_bChecked = check;
-
- // index may be changed because new items were added/deleted
- if ( m_pParent->GetItemIndex(this) != (int)m_nIndex )
+ // then draw a check mark into it
{
- // update it
- int index = m_pParent->GetItemIndex(this);
+ SelectInHDC selBmp(hdcMem, hBmpCheck);
- wxASSERT_MSG( index != wxNOT_FOUND, wxT("what does this item do here?") );
+ int flags = wxCONTROL_FLAT;
+ if ( IsChecked() )
+ flags |= wxCONTROL_CHECKED;
- m_nIndex = (size_t)index;
- }
+ wxDCTemp dcMem(hdcMem);
+ wxRendererNative::Get().DrawCheckBox(GetParent(), dcMem, wxRect(size), flags);
+ } // select hBmpCheck out of hdcMem
- HWND hwndListbox = (HWND)m_pParent->GetHWND();
+ // finally draw bitmap to screen
- #ifdef __WIN32__
- RECT rcUpdate;
+ // position of check mark bitmap
+ int x = rc.GetX() + CHECKMARK_EXTRA_SPACE;
+ int y = rc.GetY() + (rc.GetHeight() - size.GetHeight()) / 2;
- if ( ::SendMessage(hwndListbox, LB_GETITEMRECT,
- m_nIndex, (LPARAM)&rcUpdate) == LB_ERR )
- {
- wxLogDebug(wxT("LB_GETITEMRECT failed"));
- }
- #else // Win16
- // FIXME this doesn't work if the listbox is scrolled!
- size_t nHeight = m_pParent->GetItemHeight();
- size_t y = m_nIndex * nHeight;
- RECT rcUpdate ;
- rcUpdate.left = 0 ;
- rcUpdate.top = y ;
- rcUpdate.right = GetDefaultMarginWidth() ;
- rcUpdate.bottom = y + nHeight ;
- #endif // Win32/16
-
- InvalidateRect(hwndListbox, &rcUpdate, FALSE);
-}
+ UINT uState = stat & wxOwnerDrawn::wxODSelected ? wxDSB_SELECTED : wxDSB_NORMAL;
+ wxDrawStateBitmap(hdc, hBmpCheck, x, y, uState);
-// send an "item checked" event
-void wxCheckListBoxItem::SendEvent()
-{
- wxCommandEvent event(wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, m_pParent->GetId());
- event.SetInt(m_nIndex);
- event.SetEventObject(m_pParent);
- m_pParent->ProcessCommand(event);
+ return true;
}
// ----------------------------------------------------------------------------
Create(parent, id, pos, size, nStrings, choices, style, val, name);
}
+wxCheckListBox::wxCheckListBox(wxWindow *parent, wxWindowID id,
+ const wxPoint& pos, const wxSize& size,
+ const wxArrayString& choices,
+ long style, const wxValidator& val,
+ const wxString& name)
+{
+ Create(parent, id, pos, size, choices, style, val, name);
+}
+
bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
const wxPoint& pos, const wxSize& size,
int n, const wxString choices[],
style | wxLB_OWNERDRAW, validator, name);
}
-// misc overloaded methods
-// -----------------------
-
-void wxCheckListBox::Delete(int N)
-{
- wxCHECK_RET( N >= 0 && N < m_noItems,
- wxT("invalid index in wxListBox::Delete") );
-
- wxListBox::Delete(N);
-
- // free memory
- delete m_aItems[N];
-
- m_aItems.RemoveAt(N);
-}
-
-bool wxCheckListBox::SetFont( const wxFont &font )
+bool wxCheckListBox::Create(wxWindow *parent, wxWindowID id,
+ const wxPoint& pos, const wxSize& size,
+ const wxArrayString& choices,
+ long style,
+ const wxValidator& validator, const wxString& name)
{
- size_t i;
- for ( i = 0; i < m_aItems.GetCount(); i++ )
- m_aItems[i]->SetFont(font);
-
- wxListBox::SetFont(font);
-
- return TRUE;
+ return wxListBox::Create(parent, id, pos, size, choices,
+ style | wxLB_OWNERDRAW, validator, name);
}
// create/retrieve item
// --------------------
// create a check list box item
-wxOwnerDrawn *wxCheckListBox::CreateLboxItem(size_t nIndex)
+wxOwnerDrawn *wxCheckListBox::CreateLboxItem(size_t WXUNUSED(n))
{
- wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this, nIndex);
- return pItem;
+ wxCheckListBoxItem *pItem = new wxCheckListBoxItem(this);
+ return pItem;
}
// return item size
// ----------------
bool wxCheckListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item)
{
- if ( wxListBox::MSWOnMeasure(item) ) {
- MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
+ if ( wxListBox::MSWOnMeasure(item) )
+ {
+ MEASUREITEMSTRUCT *pStruct = (MEASUREITEMSTRUCT *)item;
- // save item height
- m_nItemHeight = pStruct->itemHeight;
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(this);
+ size.x += 2 * CHECKMARK_EXTRA_SPACE;
+ size.y += 2 * CHECKMARK_EXTRA_SPACE;
- // add place for the check mark
- pStruct->itemWidth += wxOwnerDrawn::GetDefaultMarginWidth();
+ // add place for the check mark
+ pStruct->itemWidth += size.GetWidth();
- return TRUE;
- }
+ if ( pStruct->itemHeight < static_cast<unsigned int>(size.GetHeight()) )
+ pStruct->itemHeight = size.GetHeight();
- return FALSE;
-}
+ return true;
+ }
+
+ return false;
+ }
// check items
// -----------
-bool wxCheckListBox::IsChecked(size_t uiIndex) const
+bool wxCheckListBox::IsChecked(unsigned int uiIndex) const
{
- wxCHECK_MSG( uiIndex < (size_t)GetCount(), FALSE, _T("bad wxCheckListBox index") );
+ wxCHECK_MSG( IsValid(uiIndex), false, wxT("bad wxCheckListBox index") );
return GetItem(uiIndex)->IsChecked();
}
-void wxCheckListBox::Check(size_t uiIndex, bool bCheck)
+void wxCheckListBox::Check(unsigned int uiIndex, bool bCheck)
{
- wxCHECK_RET( uiIndex < (size_t)GetCount(), _T("bad wxCheckListBox index") );
+ wxCHECK_RET( IsValid(uiIndex), wxT("bad wxCheckListBox index") );
GetItem(uiIndex)->Check(bCheck);
+ RefreshItem(uiIndex);
+}
+
+void wxCheckListBox::Toggle(unsigned int uiIndex)
+{
+ wxCHECK_RET( IsValid(uiIndex), wxT("bad wxCheckListBox index") );
+
+ GetItem(uiIndex)->Toggle();
+ RefreshItem(uiIndex);
}
// process events
// what do we do?
enum
{
- None,
- Toggle,
- Set,
- Clear
+ NONE,
+ TOGGLE,
+ SET,
+ CLEAR
} oper;
switch ( event.GetKeyCode() )
{
case WXK_SPACE:
- oper = Toggle;
+ oper = TOGGLE;
break;
case WXK_NUMPAD_ADD:
case '+':
- oper = Set;
+ oper = SET;
break;
case WXK_NUMPAD_SUBTRACT:
case '-':
- oper = Clear;
+ oper = CLEAR;
break;
default:
- oper = None;
+ oper = NONE;
}
- if ( oper != None )
+ if ( oper != NONE )
{
wxArrayInt selections;
int count = 0;
for ( int i = 0; i < count; i++ )
{
- wxCheckListBoxItem *item = GetItem(selections[i]);
- if ( !item )
- {
- wxFAIL_MSG( _T("no wxCheckListBoxItem?") );
- continue;
- }
+ int nItem = selections[i];
switch ( oper )
{
- case Toggle:
- item->Toggle();
+ case TOGGLE:
+ Toggle(nItem);
break;
- case Set:
- case Clear:
- item->Check( oper == Set );
+ case SET:
+ case CLEAR:
+ Check(nItem, oper == SET);
break;
default:
- wxFAIL_MSG( _T("what should this key do?") );
+ wxFAIL_MSG( wxT("what should this key do?") );
}
// we should send an event as this has been done by the user and
// not by the program
- item->SendEvent();
+ SendEvent(nItem);
}
}
else // nothing to do
void wxCheckListBox::OnLeftClick(wxMouseEvent& event)
{
- // clicking on the item selects it, clicking on the checkmark toggles
- if ( event.GetX() <= wxOwnerDrawn::GetDefaultMarginWidth() ) {
+ // clicking on the item selects it, clicking on the checkmark toggles
+
int nItem = HitTest(event.GetX(), event.GetY());
- if ( nItem != wxNOT_FOUND ) {
- wxCheckListBoxItem *item = GetItem(nItem);
- item->Toggle();
- item->SendEvent();
+ if ( nItem != wxNOT_FOUND )
+ {
+ wxRect rect;
+ GetItemRect(nItem, rect);
+
+ // convert item rect to check mark rect
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(this);
+ rect.x += CHECKMARK_EXTRA_SPACE;
+ rect.y += (rect.GetHeight() - size.GetHeight()) / 2;
+ rect.SetSize(size);
+
+ if ( rect.Contains(event.GetX(), event.GetY()) )
+ {
+ // people expect to get "kill focus" event for the currently
+ // focused control before getting events from the other controls
+ // and, equally importantly, they may prevent the focus change from
+ // taking place at all (e.g. because the old control contents is
+ // invalid and needs to be corrected) in which case we shouldn't
+ // generate this event at all
+ SetFocus();
+ if ( FindFocus() == this )
+ {
+ Toggle(nItem);
+ SendEvent(nItem);
+
+ // scroll one item down if the item is the last one
+ // and isn't visible at all
+ int h;
+ GetClientSize(NULL, &h);
+ if ( rect.GetBottom() > h )
+ ScrollLines(1);
+ }
+ }
+ else
+ {
+ // implement default behaviour: clicking on the item selects it
+ event.Skip();
+ }
+ }
+ else
+ {
+ // implement default behaviour on click outside of client zone
+ event.Skip();
}
- //else: it's not an error, just click outside of client zone
- }
- else {
- // implement default behaviour: clicking on the item selects it
- event.Skip();
- }
}
-int wxCheckListBox::DoHitTestItem(wxCoord x, wxCoord y) const
+wxSize wxCheckListBox::DoGetBestClientSize() const
{
- #ifdef __WIN32__
- int nItem = (int)::SendMessage
- (
- (HWND)GetHWND(),
- LB_ITEMFROMPOINT,
- 0,
- MAKELPARAM(x, y)
- );
- #else // Win16
- // FIXME this doesn't work when the listbox is scrolled!
- int nItem = y / m_nItemHeight;
- #endif // Win32/16
-
- return nItem >= m_noItems ? wxNOT_FOUND : nItem;
-}
+ wxSize best = wxListBox::DoGetBestClientSize();
-#endif
+ // add room for the checkbox
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(const_cast<wxCheckListBox*>(this));
+ size.x += 2 * CHECKMARK_EXTRA_SPACE;
+ size.y += 2 * CHECKMARK_EXTRA_SPACE;
+
+ best.x += size.GetWidth();
+ if ( best.y < size.GetHeight() )
+ best.y = size.GetHeight();
+
+ CacheBestSize(best);
+ return best;
+}
+#endif // wxUSE_CHECKLISTBOX
projects / wxWidgets.git / blobdiff