// Author: Vadim Zeitlin
// Modified by:
// Created: 31.05.03
-// RCS-ID: $Id$
// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
-// License: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
// ============================================================================
EVT_SET_FOCUS(wxVListBox::OnSetOrKillFocus)
EVT_KILL_FOCUS(wxVListBox::OnSetOrKillFocus)
+
+ EVT_SIZE(wxVListBox::OnSize)
END_EVENT_TABLE()
// ============================================================================
// ============================================================================
IMPLEMENT_ABSTRACT_CLASS(wxVListBox, wxVScrolledWindow)
+const char wxVListBoxNameStr[] = "wxVListBox";
// ----------------------------------------------------------------------------
// wxVListBox creation
long style,
const wxString& name)
{
+#ifdef __WXMSW__
+ if ( (style & wxBORDER_MASK) == wxDEFAULT )
+ style |= wxBORDER_THEME;
+#endif
+
style |= wxWANTS_CHARS | wxFULL_REPAINT_ON_RESIZE;
if ( !wxVScrolledWindow::Create(parent, id, pos, size, style, name) )
return false;
void wxVListBox::SetItemCount(size_t count)
{
+ // don't leave the current index invalid
+ if ( m_current != wxNOT_FOUND && (size_t)m_current >= count )
+ m_current = count - 1; // also ok when count == 0 as wxNOT_FOUND == -1
+
if ( m_selStore )
{
// tell the selection store that our number of items has changed
bool wxVListBox::Select(size_t item, bool select)
{
wxCHECK_MSG( m_selStore, false,
- _T("Select() may only be used with multiselection listbox") );
+ wxT("Select() may only be used with multiselection listbox") );
wxCHECK_MSG( item < GetItemCount(), false,
- _T("Select(): invalid item index") );
+ wxT("Select(): invalid item index") );
bool changed = m_selStore->SelectItem(item, select);
if ( changed )
{
// selection really changed
- RefreshLine(item);
+ RefreshRow(item);
}
DoSetCurrent(item);
bool wxVListBox::SelectRange(size_t from, size_t to)
{
wxCHECK_MSG( m_selStore, false,
- _T("SelectRange() may only be used with multiselection listbox") );
+ wxT("SelectRange() may only be used with multiselection listbox") );
// make sure items are in correct order
if ( from > to )
}
wxCHECK_MSG( to < GetItemCount(), false,
- _T("SelectRange(): invalid item index") );
+ wxT("SelectRange(): invalid item index") );
wxArrayInt changed;
if ( !m_selStore->SelectRange(from, to, true, &changed) )
{
// too many items have changed, we didn't record them in changed array
// so we have no choice but to refresh everything between from and to
- RefreshLines(from, to);
+ RefreshRows(from, to);
}
else // we've got the indices of the changed items
{
// refresh just the lines which have really changed
for ( size_t n = 0; n < count; n++ )
{
- RefreshLine(changed[n]);
+ RefreshRow(changed[n]);
}
}
bool wxVListBox::DoSelectAll(bool select)
{
wxCHECK_MSG( m_selStore, false,
- _T("SelectAll may only be used with multiselection listbox") );
+ wxT("SelectAll may only be used with multiselection listbox") );
size_t count = GetItemCount();
if ( count )
{
wxASSERT_MSG( current == wxNOT_FOUND ||
(current >= 0 && (size_t)current < GetItemCount()),
- _T("wxVListBox::DoSetCurrent(): invalid item index") );
+ wxT("wxVListBox::DoSetCurrent(): invalid item index") );
if ( current == m_current )
{
}
if ( m_current != wxNOT_FOUND )
- RefreshLine(m_current);
+ RefreshRow(m_current);
m_current = current;
// don't need to refresh it -- it will be redrawn anyhow
if ( !IsVisible(m_current) )
{
- ScrollToLine(m_current);
+ ScrollToRow(m_current);
}
else // line is at least partly visible
{
// it is, indeed, only partly visible, so scroll it into view to
// make it entirely visible
- while ( (size_t)m_current == GetLastVisibleLine() &&
- ScrollToLine(GetVisibleBegin()+1) ) ;
+ // BUT scrolling down when m_current is first visible makes it
+ // completely hidden, so that is even worse
+ while ( (size_t)m_current + 1 == GetVisibleRowsEnd() &&
+ (size_t)m_current != GetVisibleRowsBegin() &&
+ ScrollToRow(GetVisibleBegin() + 1) ) ;
// but in any case refresh it as even if it was only partly visible
// before we need to redraw it entirely as its background changed
- RefreshLine(m_current);
+ RefreshRow(m_current);
}
}
return true;
}
+void wxVListBox::InitEvent(wxCommandEvent& event, int n)
+{
+ event.SetEventObject(this);
+ event.SetInt(n);
+}
+
void wxVListBox::SendSelectedEvent()
{
wxASSERT_MSG( m_current != wxNOT_FOUND,
- _T("SendSelectedEvent() shouldn't be called") );
-
- wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, GetId());
- event.SetEventObject(this);
- event.SetInt(m_current);
+ wxT("SendSelectedEvent() shouldn't be called") );
+ wxCommandEvent event(wxEVT_LISTBOX, GetId());
+ InitEvent(event, m_current);
(void)GetEventHandler()->ProcessEvent(event);
}
{
wxCHECK_RET( selection == wxNOT_FOUND ||
(selection >= 0 && (size_t)selection < GetItemCount()),
- _T("wxVListBox::SetSelection(): invalid item index") );
+ wxT("wxVListBox::SetSelection(): invalid item index") );
if ( HasMultipleSelection() )
{
int wxVListBox::GetNextSelected(unsigned long& cookie) const
{
wxCHECK_MSG( m_selStore, wxNOT_FOUND,
- _T("GetFirst/NextSelected() may only be used with multiselection listboxes") );
+ wxT("GetFirst/NextSelected() may only be used with multiselection listboxes") );
while ( cookie < GetItemCount() )
{
}
}
+wxRect wxVListBox::GetItemRect(size_t n) const
+{
+ wxRect itemrect;
+
+ // check that this item is visible
+ const size_t lineMax = GetVisibleEnd();
+ if ( n >= lineMax )
+ return itemrect;
+ size_t line = GetVisibleBegin();
+ if ( n < line )
+ return itemrect;
+
+ while ( line <= n )
+ {
+ itemrect.y += itemrect.height;
+ itemrect.height = OnGetRowHeight(line);
+
+ line++;
+ }
+
+ itemrect.width = GetClientSize().x;
+
+ return itemrect;
+}
+
// ----------------------------------------------------------------------------
// wxVListBox appearance parameters
// ----------------------------------------------------------------------------
// wxVListBox painting
// ----------------------------------------------------------------------------
-wxCoord wxVListBox::OnGetLineHeight(size_t line) const
+wxCoord wxVListBox::OnGetRowHeight(size_t line) const
{
return OnMeasureItem(line) + 2*m_ptMargins.y;
}
{
}
-void wxVListBox::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const
+bool
+wxVListBox::DoDrawSolidBackground(const wxColour& col,
+ wxDC& dc,
+ const wxRect& rect,
+ size_t n) const
{
- if ( m_colBgSel.IsOk() )
+ if ( !col.IsOk() )
+ return false;
+
+ // we need to render selected and current items differently
+ const bool isSelected = IsSelected(n),
+ isCurrent = IsCurrent(n);
+ if ( isSelected || isCurrent )
{
- // we need to render selected and current items differently
- const bool isSelected = IsSelected(n),
- isCurrent = IsCurrent(n);
- if ( isSelected || isCurrent )
+ if ( isSelected )
{
- if ( isSelected )
- {
- dc.SetBrush(wxBrush(m_colBgSel, wxSOLID));
- }
- else // !selected
- {
- dc.SetBrush(*wxTRANSPARENT_BRUSH);
- }
- dc.SetPen(*(isCurrent ? wxBLACK_PEN : wxTRANSPARENT_PEN));
- dc.DrawRectangle(rect);
+ dc.SetBrush(wxBrush(col, wxBRUSHSTYLE_SOLID));
}
- //else: do nothing for the normal items
+ else // !selected
+ {
+ dc.SetBrush(*wxTRANSPARENT_BRUSH);
+ }
+ dc.SetPen(*(isCurrent ? wxBLACK_PEN : wxTRANSPARENT_PEN));
+ dc.DrawRectangle(rect);
}
- else // use wxRendererNative for a more native look&feel:
+ //else: do nothing for the normal items
+
+ return true;
+}
+
+void wxVListBox::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const
+{
+ // use wxRendererNative for more native look unless we use custom bg colour
+ if ( !DoDrawSolidBackground(m_colBgSel, dc, rect, n) )
{
int flags = 0;
if ( IsSelected(n) )
flags |= wxCONTROL_SELECTED;
if ( IsCurrent(n) )
flags |= wxCONTROL_CURRENT;
- if ( wxWindow::FindFocus() == wx_const_cast(wxVListBox*, this) )
+ if ( wxWindow::FindFocus() == const_cast<wxVListBox*>(this) )
flags |= wxCONTROL_FOCUSED;
wxRendererNative::Get().DrawItemSelectionRect(
- wx_const_cast(wxVListBox *, this), dc, rect, flags);
+ const_cast<wxVListBox *>(this), dc, rect, flags);
}
}
dc.Clear();
// the bounding rectangle of the current line
- wxRect rectLine;
- rectLine.width = clientSize.x;
+ wxRect rectRow;
+ rectRow.width = clientSize.x;
// iterate over all visible lines
const size_t lineMax = GetVisibleEnd();
- for ( size_t line = GetFirstVisibleLine(); line < lineMax; line++ )
+ for ( size_t line = GetVisibleBegin(); line < lineMax; line++ )
{
- const wxCoord hLine = OnGetLineHeight(line);
+ const wxCoord hRow = OnGetRowHeight(line);
- rectLine.height = hLine;
+ rectRow.height = hRow;
// and draw the ones which intersect the update rect
- if ( rectLine.Intersects(rectUpdate) )
+ if ( rectRow.Intersects(rectUpdate) )
{
// don't allow drawing outside of the lines rectangle
- wxDCClipper clip(dc, rectLine);
+ wxDCClipper clip(dc, rectRow);
- wxRect rect = rectLine;
+ wxRect rect = rectRow;
OnDrawBackground(dc, rect, line);
OnDrawSeparator(dc, rect, line);
}
else // no intersection
{
- if ( rectLine.GetTop() > rectUpdate.GetBottom() )
+ if ( rectRow.GetTop() > rectUpdate.GetBottom() )
{
// we are already below the update rect, no need to continue
// further
//else: the next line may intersect the update rect
}
- rectLine.y += hLine;
+ rectRow.y += hRow;
}
}
RefreshSelected();
}
+void wxVListBox::OnSize(wxSizeEvent& event)
+{
+ UpdateScrollbar();
+ event.Skip();
+}
// ============================================================================
// wxVListBox keyboard/mouse handling
switch ( event.GetKeyCode() )
{
case WXK_HOME:
+ case WXK_NUMPAD_HOME:
current = 0;
break;
case WXK_END:
- current = GetLineCount() - 1;
+ case WXK_NUMPAD_END:
+ current = GetRowCount() - 1;
break;
case WXK_DOWN:
- if ( m_current == (int)GetLineCount() - 1 )
+ case WXK_NUMPAD_DOWN:
+ if ( m_current == (int)GetRowCount() - 1 )
return;
current = m_current + 1;
break;
case WXK_UP:
+ case WXK_NUMPAD_UP:
if ( m_current == wxNOT_FOUND )
- current = GetLineCount() - 1;
+ current = GetRowCount() - 1;
else if ( m_current != 0 )
current = m_current - 1;
else // m_current == 0
break;
case WXK_PAGEDOWN:
+ case WXK_NUMPAD_PAGEDOWN:
PageDown();
- current = GetFirstVisibleLine();
+ current = GetVisibleBegin();
break;
case WXK_PAGEUP:
- if ( m_current == (int)GetFirstVisibleLine() )
+ case WXK_NUMPAD_PAGEUP:
+ if ( m_current == (int)GetVisibleBegin() )
{
PageUp();
}
- current = GetFirstVisibleLine();
+ current = GetVisibleBegin();
break;
case WXK_SPACE:
case WXK_TAB:
// Since we are using wxWANTS_CHARS we need to send navigation
// events for the tabs on MSW
- {
- wxNavigationKeyEvent ne;
- ne.SetDirection(!event.ShiftDown());
- ne.SetCurrentFocus(this);
- ne.SetEventObject(this);
- GetParent()->GetEventHandler()->ProcessEvent(ne);
- }
+ HandleAsNavigationKey(event);
// fall through to default
#endif
default:
{
SetFocus();
- int item = HitTest(event.GetPosition());
+ int item = VirtualHitTest(event.GetPosition().y);
if ( item != wxNOT_FOUND )
{
void wxVListBox::OnLeftDClick(wxMouseEvent& eventMouse)
{
- int item = HitTest(eventMouse.GetPosition());
+ int item = VirtualHitTest(eventMouse.GetPosition().y);
if ( item != wxNOT_FOUND )
{
// this event as a left-click instead
if ( item == m_current )
{
- wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, GetId());
- event.SetEventObject(this);
- event.SetInt(item);
-
+ wxCommandEvent event(wxEVT_LISTBOX_DCLICK, GetId());
+ InitEvent(event, item);
(void)GetEventHandler()->ProcessEvent(event);
}
else
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