/////////////////////////////////////////////////////////////////////////////
-// Name: listctrl.cpp
+// Name: src/msw/listctrl.cpp
// Purpose: wxListCtrl
// Author: Julian Smart
// Modified by:
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_FOCUSED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT)
IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl)
IMPLEMENT_DYNAMIC_CLASS(wxListView, wxListCtrl)
IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
+
BEGIN_EVENT_TABLE(wxListCtrl, wxControl)
EVT_PAINT(wxListCtrl::OnPaint)
END_EVENT_TABLE()
// implementation
// ============================================================================
-// ----------------------------------------------------------------------------
-// wxListEvent
-// ----------------------------------------------------------------------------
-
-void wxListEvent::CopyObject(wxObject& object_dest) const
-{
- wxListEvent *obj = (wxListEvent *)&object_dest;
-
- wxNotifyEvent::CopyObject(object_dest);
-
- obj->m_code = m_code;
- obj->m_itemIndex = m_itemIndex;
- obj->m_oldItemIndex = m_oldItemIndex;
- obj->m_col = m_col;
- obj->m_cancelled = m_cancelled;
- obj->m_pointDrag = m_pointDrag;
- obj->m_item.m_mask = m_item.m_mask;
- obj->m_item.m_itemId = m_item.m_itemId;
- obj->m_item.m_col = m_item.m_col;
- obj->m_item.m_state = m_item.m_state;
- obj->m_item.m_stateMask = m_item.m_stateMask;
- obj->m_item.m_text = m_item.m_text;
- obj->m_item.m_image = m_item.m_image;
- obj->m_item.m_data = m_item.m_data;
- obj->m_item.m_format = m_item.m_format;
- obj->m_item.m_width = m_item.m_width;
-
- if ( m_item.HasAttributes() )
- {
- obj->m_item.SetTextColour(m_item.GetTextColour());
- obj->m_item.SetBackgroundColour(m_item.GetBackgroundColour());
- obj->m_item.SetFont(m_item.GetFont());
- }
-}
-
// ----------------------------------------------------------------------------
// wxListCtrl construction
// ----------------------------------------------------------------------------
0, LVS_EX_FULLROWSELECT);
}
- SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
SetForegroundColour(GetParent()->GetForegroundColour());
SubclassWin(m_hWnd);
LV_ITEM item;
wxConvertToMSWListItem(this, info, item);
- item.cchTextMax = 0;
- if ( !ListView_SetItem(GetHwnd(), &item) )
+ // we could be changing only the attribute in which case we don't need to
+ // call ListView_SetItem() at all
+ if ( item.mask )
{
- wxLogDebug(_T("ListView_SetItem() failed"));
+ item.cchTextMax = 0;
+ if ( !ListView_SetItem(GetHwnd(), &item) )
+ {
+ wxLogDebug(_T("ListView_SetItem() failed"));
- return FALSE;
+ return FALSE;
+ }
}
// we need to update the item immediately to show the new image
if ( updateNow )
{
// we need this to make the change visible right now
- ListView_Update(GetHwnd(), item.iItem);
+ RefreshItem(item.iItem);
}
return TRUE;
wxConvertToMSWFlags(state, stateMask, lvItem);
+ // for the virtual list controls we need to refresh the previously focused
+ // item manually when changing focus without changing selection
+ // programmatically because otherwise it keeps its focus rectangle until
+ // next repaint (yet another comctl32 bug)
+ long focusOld;
+ if ( IsVirtual() &&
+ (stateMask & wxLIST_STATE_FOCUSED) &&
+ (state & wxLIST_STATE_FOCUSED) )
+ {
+ focusOld = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_FOCUSED);
+ }
+ else
+ {
+ focusOld = -1;
+ }
+
if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE,
(WPARAM)item, (LPARAM)&lvItem) )
{
return FALSE;
}
+ if ( focusOld != -1 )
+ {
+ // no need to refresh the item if it was previously selected, it would
+ // only result in annoying flicker
+ if ( !(GetItemState(focusOld,
+ wxLIST_STATE_SELECTED) & wxLIST_STATE_SELECTED) )
+ {
+ RefreshItem(focusOld);
+ }
+ }
+
return TRUE;
}
// Gets the item rectangle
bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const
{
- RECT rect2;
+ RECT rectWin;
- int code2 = LVIR_BOUNDS;
+ int codeWin;
if ( code == wxLIST_RECT_BOUNDS )
- code2 = LVIR_BOUNDS;
+ codeWin = LVIR_BOUNDS;
else if ( code == wxLIST_RECT_ICON )
- code2 = LVIR_ICON;
+ codeWin = LVIR_ICON;
else if ( code == wxLIST_RECT_LABEL )
- code2 = LVIR_LABEL;
+ codeWin = LVIR_LABEL;
+ else
+ {
+ wxFAIL_MSG( _T("incorrect code in GetItemRect()") );
+
+ codeWin = LVIR_BOUNDS;
+ }
#ifdef __WXWINE__
- bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2 ) != 0);
+ bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin ) != 0;
#else
- bool success = (ListView_GetItemRect(GetHwnd(), (int) item, &rect2, code2) != 0);
+ bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0;
#endif
- rect.x = rect2.left;
- rect.y = rect2.top;
- rect.width = rect2.right - rect2.left;
- rect.height = rect2.bottom - rect2.top;
+ rect.x = rectWin.left;
+ rect.y = rectWin.top;
+ rect.width = rectWin.right - rectWin.left;
+ rect.height = rectWin.bottom - rectWin.top;
+
return success;
}
// Deletes an item
bool wxListCtrl::DeleteItem(long item)
{
- return (ListView_DeleteItem(GetHwnd(), (int) item) != 0);
+ if ( !ListView_DeleteItem(GetHwnd(), (int) item) )
+ {
+ wxLogLastError(_T("ListView_DeleteItem"));
+ return FALSE;
+ }
+
+ // the virtual list control doesn't refresh itself correctly, help it
+ if ( IsVirtual() )
+ {
+ // we need to refresh all the lines below the one which was deleted
+ wxRect rectItem;
+ if ( item > 0 && GetItemCount() )
+ {
+ GetItemRect(item - 1, rectItem);
+ }
+ else
+ {
+ rectItem.y =
+ rectItem.height = 0;
+ }
+
+ wxRect rectWin = GetRect();
+ rectWin.height = rectWin.GetBottom() - rectItem.GetBottom();
+ rectWin.y = rectItem.GetBottom();
+
+ RefreshRect(rectWin);
+ }
+
+ return TRUE;
}
// Deletes all items
bool wxListCtrl::DeleteAllItems()
{
- return (ListView_DeleteAllItems(GetHwnd()) != 0);
+ return ListView_DeleteAllItems(GetHwnd()) != 0;
}
// Deletes all items
// -----------------
wxListEvent event(wxEVT_NULL, m_windowId);
+ event.SetEventObject(this);
+
wxEventType eventType = wxEVT_NULL;
NMHDR *nmhdr = (NMHDR *)lParam;
+ // if your compiler is as broken as this, you should really change it: this
+ // code is needed for normal operation! #ifdef below is only useful for
+ // automatic rebuilds which are done with a very old compiler version
+#ifdef LVM_FIRST
+
// check for messages from the header (in report view)
HWND hwndHdr = ListView_GetHeader(GetHwnd());
// is it a message from the header?
if ( nmhdr->hwndFrom == hwndHdr )
{
+#ifdef __WATCOMC__
+ HD_NOTIFY *nmHDR = (HD_NOTIFY *)nmhdr;
+#else
NMHEADER *nmHDR = (NMHEADER *)nmhdr;
+#endif
event.m_itemIndex = -1;
switch ( nmhdr->code )
return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
}
- else if ( nmhdr->hwndFrom == GetHwnd() )
+ else
+#endif // defined(LVM_FIRST)
+ if ( nmhdr->hwndFrom == GetHwnd() )
{
// almost all messages use NM_LISTVIEW
NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
{
eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
- wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
+ wxConvertFromMSWListItem(NULL, event.m_item, info->item);
if ( info->item.pszText == NULL || info->item.iItem == -1 )
return FALSE;
break;
case LVN_ITEMCHANGED:
- // This needs to be sent to wxListCtrl as a rather more concrete
- // event. For now, just detect a selection or deselection.
- if ( (nmLV->uNewState & LVIS_SELECTED) && !(nmLV->uOldState & LVIS_SELECTED) )
- {
- eventType = wxEVT_COMMAND_LIST_ITEM_SELECTED;
- event.m_itemIndex = nmLV->iItem;
- }
- else if ( !(nmLV->uNewState & LVIS_SELECTED) && (nmLV->uOldState & LVIS_SELECTED) )
+ // we translate this catch all message into more interesting
+ // (and more easy to process) wxWindows events
+
+ // first of all, we deal with the state change events only
+ if ( nmLV->uChanged & LVIF_STATE )
{
- eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
- event.m_itemIndex = nmLV->iItem;
+ // temp vars for readability
+ const UINT stOld = nmLV->uOldState;
+ const UINT stNew = nmLV->uNewState;
+
+ // has the focus changed?
+ if ( !(stOld & LVIS_FOCUSED) && (stNew & LVIS_FOCUSED) )
+ {
+ eventType = wxEVT_COMMAND_LIST_ITEM_FOCUSED;
+ event.m_itemIndex = nmLV->iItem;
+ }
+
+ if ( (stNew & LVIS_SELECTED) != (stOld & LVIS_SELECTED) )
+ {
+ if ( eventType != wxEVT_NULL )
+ {
+ // focus and selection have both changed: send the
+ // focus event from here and the selection one
+ // below
+ event.SetEventType(eventType);
+ (void)GetEventHandler()->ProcessEvent(event);
+ }
+ else // no focus event to send
+ {
+ // then need to set m_itemIndex as it wasn't done
+ // above
+ event.m_itemIndex = nmLV->iItem;
+ }
+
+ eventType = stNew & LVIS_SELECTED
+ ? wxEVT_COMMAND_LIST_ITEM_SELECTED
+ : wxEVT_COMMAND_LIST_ITEM_DESELECTED;
+ }
}
- else
+
+ if ( eventType == wxEVT_NULL )
{
+ // not an interesting event for us
return FALSE;
}
+
break;
case LVN_KEYDOWN:
else
{
eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
- event.m_code = wxCharCodeMSWToWX(wVKey);
+
+ // wxCharCodeMSWToWX() returns 0 if the key is an ASCII
+ // value which should be used as is
+ int code = wxCharCodeMSWToWX(wVKey);
+ event.m_code = code ? code : wVKey;
}
event.m_itemIndex =
// process the event
// -----------------
- event.SetEventObject( this );
event.SetEventType(eventType);
if ( !GetEventHandler()->ProcessEvent(event) )
if ((GetWindowStyle() & wxLC_REPORT) == 0)
return;
- wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
+ wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID);
dc.SetPen(pen);
dc.SetBrush(* wxTRANSPARENT_BRUSH);
void wxListCtrl::RefreshItem(long item)
{
+ // strangely enough, ListView_Update() results in much more flicker here
+ // than a dumb Refresh() -- why?
+#if 0
if ( !ListView_Update(GetHwnd(), item) )
{
wxLogLastError(_T("ListView_Update"));
}
+#else // 1
+ wxRect rect;
+ GetItemRect(item, rect);
+ RefreshRect(rect);
+#endif // 0/1
}
void wxListCtrl::RefreshItems(long itemFrom, long itemTo)
#endif
}
-// ----------------------------------------------------------------------------
-// List event
-// ----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
-
-wxListEvent::wxListEvent(wxEventType commandType, int id)
- : wxNotifyEvent(commandType, id)
-{
- m_code = 0;
- m_itemIndex = 0;
- m_oldItemIndex = 0;
- m_col = 0;
- m_cancelled = FALSE;
-}
-
#endif // wxUSE_LISTCTRL
projects / wxWidgets.git / blobdiff