// 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
// ============================================================================
class wxCheckListBoxItem : public wxOwnerDrawn
{
-friend class WXDLLIMPEXP_FWD_CORE wxCheckListBox;
public:
// ctor
- wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex);
+ wxCheckListBoxItem(wxCheckListBox *parent);
// drawing functions
virtual bool OnDrawItem(wxDC& dc, const wxRect& rc, wxODAction act, wxODStatus stat);
// simple accessors and operations
- bool IsChecked() const { return m_bChecked; }
+ wxCheckListBox *GetParent() const
+ { return m_parent; }
+
+ int GetIndex() const
+ { return m_parent->GetItemIndex(const_cast<wxCheckListBoxItem*>(this)); }
- void Check(bool bCheck);
- void Toggle() { Check(!IsChecked()); }
+ wxString GetName() const
+ { return m_parent->GetString(GetIndex()); }
- void SendEvent();
- virtual wxString GetName() const { return m_pParent->GetString(m_nIndex); }
+ bool IsChecked() const
+ { return m_checked; }
+
+ void Check(bool bCheck)
+ { m_checked = bCheck; }
+
+ void Toggle()
+ { Check(!IsChecked()); }
private:
- bool m_bChecked;
- wxCheckListBox *m_pParent;
- size_t m_nIndex;
+ wxCheckListBox *m_parent;
+ bool m_checked;
wxDECLARE_NO_COPY_CLASS(wxCheckListBoxItem);
};
-wxCheckListBoxItem::wxCheckListBoxItem(wxCheckListBox *pParent, size_t nIndex)
+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;
- SetMarginWidth(::GetSystemMetrics(SM_CXMENUCHECK));
-
- SetBackgroundColour(pParent->GetBackgroundColour());
+ SetMarginWidth(size.GetWidth());
+ SetBackgroundColour(parent->GetBackgroundColour());
}
bool wxCheckListBoxItem::OnDrawItem(wxDC& dc, const wxRect& rc,
wxODAction act, wxODStatus stat)
{
// first draw the label
- if ( IsChecked() )
- stat = (wxOwnerDrawn::wxODStatus)(stat | wxOwnerDrawn::wxODChecked);
-
if ( !wxOwnerDrawn::OnDrawItem(dc, rc, act, stat) )
return false;
- wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
// now draw the check mark part
+ wxMSWDCImpl *impl = (wxMSWDCImpl*) dc.GetImpl();
HDC hdc = GetHdcOf(*impl);
- int nBmpWidth = ::GetSystemMetrics(SM_CXMENUCHECK),
- nBmpHeight = ::GetSystemMetrics(SM_CYMENUCHECK);
-
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(GetParent());
// first create bitmap in a memory DC
MemoryHDC hdcMem(hdc);
- CompatibleBitmap hBmpCheck(hdc, nBmpWidth, nBmpHeight);
+ CompatibleBitmap hBmpCheck(hdc, size.GetWidth(), size.GetHeight());
// then draw a check mark into it
{
flags |= wxCONTROL_CHECKED;
wxDCTemp dcMem(hdcMem);
- wxRendererNative::Get().DrawCheckBox(
- m_pParent, dcMem, wxRect(0, 0, nBmpWidth, nBmpHeight), flags);
+ wxRendererNative::Get().DrawCheckBox(GetParent(), dcMem, wxRect(size), flags);
} // select hBmpCheck out of hdcMem
- // shift check mark 2 pixel to the right and bottom, looks better like this
- int x = rc.GetX() + 2,
- y = rc.GetY() + 2;
-
- // finally draw bitmap to screen: uses image list functions to blend
- // the bitmap with the background colour (better for the selected items)
- HIMAGELIST himl = ImageList_Create(nBmpWidth, nBmpHeight,
- ILC_COLOR32 | ILC_MASK, 1, 1);
- ImageList_Add(himl, hBmpCheck, NULL);
+ // finally draw bitmap to screen
- UINT fStyle = stat & wxOwnerDrawn::wxODSelected ? ILD_SELECTED : ILD_NORMAL;
- ImageList_Draw(himl, 0, hdc, x, y, fStyle);
+ // position of check mark bitmap
+ int x = rc.GetX() + CHECKMARK_EXTRA_SPACE;
+ int y = rc.GetY() + (rc.GetHeight() - size.GetHeight()) / 2;
- ImageList_Destroy(himl);
-
- if (stat & wxODHasFocus)
- wxRendererNative::Get().DrawFocusRect(m_pParent, dc, rc);
+ UINT uState = stat & wxOwnerDrawn::wxODSelected ? wxDSB_SELECTED : wxDSB_NORMAL;
+ wxDrawStateBitmap(hdc, hBmpCheck, x, y, uState);
return true;
}
-// 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 )
- {
- // update it
- int index = m_pParent->GetItemIndex(this);
-
- wxASSERT_MSG( index != wxNOT_FOUND, wxT("what does this item do here?") );
-
- m_nIndex = (size_t)index;
- }
-
- HWND hwndListbox = (HWND)m_pParent->GetHWND();
-
- RECT rcUpdate;
-
- if ( ::SendMessage(hwndListbox, LB_GETITEMRECT,
- m_nIndex, (LPARAM)&rcUpdate) == LB_ERR )
- {
- wxLogDebug(wxT("LB_GETITEMRECT failed"));
- }
-
- ::InvalidateRect(hwndListbox, &rcUpdate, FALSE);
-}
-
-// 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);
- event.SetString(m_pParent->GetString(m_nIndex));
- m_pParent->ProcessCommand(event);
-}
-
// ----------------------------------------------------------------------------
// implementation of wxCheckListBox class
// ----------------------------------------------------------------------------
style | wxLB_OWNERDRAW, validator, name);
}
-// misc overloaded methods
-// -----------------------
-
-void wxCheckListBox::Delete(unsigned int n)
-{
- wxCHECK_RET( IsValid(n),
- 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 )
-{
- unsigned int 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::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;
- // add place for the check mark
- pStruct->itemWidth += wxOwnerDrawn::GetDefaultMarginWidth();
- pStruct->itemHeight += 1;
+ wxSize size = wxRendererNative::Get().GetCheckBoxSize(this);
+ size.x += 2 * CHECKMARK_EXTRA_SPACE;
+ size.y += 2 * CHECKMARK_EXTRA_SPACE;
- // save item height
- m_nItemHeight = pStruct->itemHeight;
+ // 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
// -----------
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( wxT("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:
// 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() )
+
+ int nItem = HitTest(event.GetX(), event.GetY());
+
+ if ( nItem != wxNOT_FOUND )
{
- int nItem = HitTest(event.GetX(), event.GetY());
+ 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 ( nItem != wxNOT_FOUND )
+ 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
SetFocus();
if ( FindFocus() == this )
{
- wxCheckListBoxItem *item = GetItem(nItem);
- item->Toggle();
- item->SendEvent();
+ 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: it's not an error, just click outside of client zone
+ else
+ {
+ // implement default behaviour: clicking on the item selects it
+ event.Skip();
+ }
}
else
{
- // implement default behaviour: clicking on the item selects it
+ // implement default behavior on click outside of client zone
event.Skip();
}
}
-wxSize wxCheckListBox::DoGetBestSize() const
+wxSize wxCheckListBox::DoGetBestClientSize() const
{
- wxSize best = wxListBox::DoGetBestSize();
- best.x += wxOwnerDrawn::GetDefaultMarginWidth(); // add room for the checkbox
+ wxSize best = wxListBox::DoGetBestClientSize();
+
+ // 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;
}
projects / wxWidgets.git / blobdiff