///////////////////////////////////////////////////////////////////////////////
-// Name: generic/vlbox.cpp
+// Name: src/generic/vlbox.cpp
// Purpose: implementation of wxVListBox
// Author: Vadim Zeitlin
// Modified by:
#if wxUSE_LISTBOX
+#include "wx/vlbox.h"
+
#ifndef WX_PRECOMP
#include "wx/settings.h"
#include "wx/dcclient.h"
+ #include "wx/listbox.h"
#endif //WX_PRECOMP
-#include "wx/vlbox.h"
+#include "wx/dcbuffer.h"
#include "wx/selstore.h"
+#include "wx/renderer.h"
// ----------------------------------------------------------------------------
// event tables
EVT_KEY_DOWN(wxVListBox::OnKeyDown)
EVT_LEFT_DOWN(wxVListBox::OnLeftDown)
EVT_LEFT_DCLICK(wxVListBox::OnLeftDClick)
+
+ EVT_SET_FOCUS(wxVListBox::OnSetOrKillFocus)
+ EVT_KILL_FOCUS(wxVListBox::OnSetOrKillFocus)
END_EVENT_TABLE()
// ============================================================================
// make sure the native widget has the right colour since we do
// transparent drawing by default
SetBackgroundColour(GetBackgroundColour());
- m_colBgSel = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
+
+ // leave m_colBgSel in an invalid state: it means for OnDrawBackground()
+ // to use wxRendererNative instead of painting selection bg ourselves
+ m_colBgSel = wxNullColour;
+
+ // flicker-free drawing requires this
+ SetBackgroundStyle(wxBG_STYLE_CUSTOM);
return true;
}
{
// it is, indeed, only partly visible, so scroll it into view to
// make it entirely visible
- if ( (size_t)m_current == GetLastVisibleLine() )
- {
- ScrollToLine(m_current);
- }
+ while ( (size_t)m_current == GetLastVisibleLine() &&
+ ScrollToLine(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
if ( HasMultipleSelection() )
{
- Select(selection);
+ if (selection != wxNOT_FOUND)
+ Select(selection);
+ else
+ DeselectAll();
m_anchor = selection;
}
return wxNOT_FOUND;
}
+void wxVListBox::RefreshSelected()
+{
+ // only refresh those items which are currently visible and selected:
+ for ( size_t n = GetVisibleBegin(), end = GetVisibleEnd(); n < end; n++ )
+ {
+ if ( IsSelected(n) )
+ RefreshLine(n);
+ }
+}
+
// ----------------------------------------------------------------------------
// wxVListBox appearance parameters
// ----------------------------------------------------------------------------
void wxVListBox::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const
{
- // we need to render selected and current items differently
- const bool isSelected = IsSelected(n),
- isCurrent = IsCurrent(n);
- if ( isSelected || isCurrent )
+ if ( m_colBgSel.IsOk() )
{
- if ( isSelected )
- {
- dc.SetBrush(wxBrush(m_colBgSel, wxSOLID));
- }
- else // !selected
+ // we need to render selected and current items differently
+ const bool isSelected = IsSelected(n),
+ isCurrent = IsCurrent(n);
+ if ( isSelected || isCurrent )
{
- dc.SetBrush(*wxTRANSPARENT_BRUSH);
+ 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.SetPen(*(isCurrent ? wxBLACK_PEN : wxTRANSPARENT_PEN));
-
- dc.DrawRectangle(rect);
+ //else: do nothing for the normal items
+ }
+ else // use wxRendererNative for a more native look&feel:
+ {
+ int flags = 0;
+ if ( IsSelected(n) )
+ flags |= wxCONTROL_SELECTED;
+ if ( IsCurrent(n) )
+ flags |= wxCONTROL_CURRENT;
+ if ( wxWindow::FindFocus() == wx_const_cast(wxVListBox*, this) )
+ flags |= wxCONTROL_FOCUSED;
+
+ wxRendererNative::Get().DrawItemSelectionRect(
+ wx_const_cast(wxVListBox *, this), dc, rect, flags);
}
- //else: do nothing for the normal items
}
void wxVListBox::OnPaint(wxPaintEvent& WXUNUSED(event))
{
- wxPaintDC dc(this);
+ wxSize clientSize = GetClientSize();
+
+ wxAutoBufferedPaintDC dc(this);
// the update rectangle
wxRect rectUpdate = GetUpdateClientRect();
+ // fill it with background colour
+ dc.SetBackground(GetBackgroundColour());
+ dc.Clear();
+
// the bounding rectangle of the current line
wxRect rectLine;
- rectLine.width = GetClientSize().x;
+ rectLine.width = clientSize.x;
// iterate over all visible lines
- const size_t lineMax = GetLastVisibleLine();
- for ( size_t line = GetFirstVisibleLine(); line <= lineMax; line++ )
+ const size_t lineMax = GetVisibleEnd();
+ for ( size_t line = GetFirstVisibleLine(); line < lineMax; line++ )
{
const wxCoord hLine = OnGetLineHeight(line);
}
}
+void wxVListBox::OnSetOrKillFocus(wxFocusEvent& WXUNUSED(event))
+{
+ // we need to repaint the selection when we get the focus since
+ // wxRendererNative in general draws the focused selection differently
+ // from the unfocused selection (see OnDrawItem):
+ RefreshSelected();
+}
+
+
// ============================================================================
// wxVListBox keyboard/mouse handling
// ============================================================================
break;
case WXK_PAGEDOWN:
- case WXK_NEXT:
PageDown();
current = GetFirstVisibleLine();
break;
case WXK_PAGEUP:
- case WXK_PRIOR:
if ( m_current == (int)GetFirstVisibleLine() )
{
PageUp();
void wxVListBox::OnLeftDown(wxMouseEvent& event)
{
SetFocus();
-
+
int item = HitTest(event.GetPosition());
if ( item != wxNOT_FOUND )
}
}
-void wxVListBox::OnLeftDClick(wxMouseEvent& event)
+void wxVListBox::OnLeftDClick(wxMouseEvent& eventMouse)
{
- int item = HitTest(event.GetPosition());
+ int item = HitTest(eventMouse.GetPosition());
if ( item != wxNOT_FOUND )
{
- wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, GetId());
- event.SetEventObject(this);
- event.SetInt(item);
- (void)GetEventHandler()->ProcessEvent(event);
+ // if item double-clicked was not yet selected, then treat
+ // this event as a left-click instead
+ if ( item == m_current )
+ {
+ wxCommandEvent event(wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, GetId());
+ event.SetEventObject(this);
+ event.SetInt(item);
+
+ (void)GetEventHandler()->ProcessEvent(event);
+ }
+ else
+ {
+ OnLeftDown(eventMouse);
+ }
+
}
}
// use the same default attributes as wxListBox
// ----------------------------------------------------------------------------
-#include "wx/listbox.h"
-
//static
wxVisualAttributes
wxVListBox::GetClassDefaultAttributes(wxWindowVariant variant)
return wxListBox::GetClassDefaultAttributes(variant);
}
-#endif
\ No newline at end of file
+#endif
projects / wxWidgets.git / blobdiff