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added a bunch of new wxListCtrl messages: column right click and

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start/continue/end dragging column divider


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11530 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-09-01 01:01:51 +00:00
parent aa2a5b8696
commit 11358d3976
7 changed files with 366 additions and 238 deletions
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10
docs/latex/wx/listctrl.tex
View File

@@ -72,15 +72,19 @@ functions that take a \helpref{wxListEvent}{wxlistevent} argument.
\twocolitem{{\bf EVT\_LIST\_END\_LABEL\_EDIT(id, func)}}{Finish editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
\twocolitem{{\bf EVT\_LIST\_DELETE\_ITEM(id, func)}}{Delete an item.}
\twocolitem{{\bf EVT\_LIST\_DELETE\_ALL\_ITEMS(id, func)}}{Delete all items.}
\twocolitem{{\bf EVT\_LIST\_GET\_INFO(id, func)}}{Request information from the application, usually the item text.}
\twocolitem{{\bf EVT\_LIST\_SET\_INFO(id, func)}}{Information is being supplied (not implemented).}
%\twocolitem{{\bf EVT\_LIST\_GET\_INFO(id, func)}}{Request information from the application, usually the item text.}
%\twocolitem{{\bf EVT\_LIST\_SET\_INFO(id, func)}}{Information is being supplied (not implemented).}
\twocolitem{{\bf EVT\_LIST\_ITEM\_SELECTED(id, func)}}{The item has been selected.}
\twocolitem{{\bf EVT\_LIST\_ITEM\_DESELECTED(id, func)}}{The item has been deselected.}
\twocolitem{{\bf EVT\_LIST\_ITEM\_ACTIVATED(id, func)}}{The item has been activated (ENTER or double click).}
\twocolitem{{\bf EVT\_LIST\_ITEM\_RIGHT\_CLICK(id, func)}}{An item has been right-clicked.}
\twocolitem{{\bf EVT\_LIST\_KEY\_DOWN(id, func)}}{A key has been pressed.}
\twocolitem{{\bf EVT\_LIST\_INSERT\_ITEM(id, func)}}{An item has been inserted.}
\twocolitem{{\bf EVT\_LIST\_COL\_CLICK(id, func)}}{A column ({\bf m\_col}) has been left-clicked.}
\twocolitem{{\bf EVT\_LIST\_ITEM\_RIGHT\_CLICK(id, func)}}{An item has been right-clicked.}
\twocolitem{{\bf EVT\_LIST\_COL\_RIGHT\_CLICK(id, func)}}{A column ({\bf m\_col}) has been right-clicked.}
\twocolitem{{\bf EVT\_LIST\_COL\_BEGIN\_DRAG(id, func)}}{The user started resizing a column - can be vetoed.}
\twocolitem{{\bf EVT\_LIST\_COL\_DRAGGING(id, func)}}{The divider between columns is being dragged.}
\twocolitem{{\bf EVT\_LIST\_COL\_END\_DRAG(id, func)}}{A column has been resized by the user.}
\twocolitem{{\bf EVT\_LIST\_CACHE\_HINT(id, func)}}{Prepare cache for a virtual list control}
\end{twocollist}%

14
docs/latex/wx/listevt.tex
View File

@@ -26,14 +26,19 @@ functions that take a wxListEvent argument.
\twocolitem{{\bf EVT\_LIST\_END\_LABEL\_EDIT(id, func)}}{Finish editing a label. This can be prevented by calling \helpref{Veto()}{wxnotifyeventveto}.}
\twocolitem{{\bf EVT\_LIST\_DELETE\_ITEM(id, func)}}{Delete an item.}
\twocolitem{{\bf EVT\_LIST\_DELETE\_ALL\_ITEMS(id, func)}}{Delete all items.}
\twocolitem{{\bf EVT\_LIST\_GET\_INFO(id, func)}}{Request information from the application, usually the item text.}
\twocolitem{{\bf EVT\_LIST\_SET\_INFO(id, func)}}{Information is being supplied (not implemented).}
%\twocolitem{{\bf EVT\_LIST\_GET\_INFO(id, func)}}{Request information from the application, usually the item text.}
%\twocolitem{{\bf EVT\_LIST\_SET\_INFO(id, func)}}{Information is being supplied (not implemented).}
\twocolitem{{\bf EVT\_LIST\_ITEM\_SELECTED(id, func)}}{The item has been selected.}
\twocolitem{{\bf EVT\_LIST\_ITEM\_DESELECTED(id, func)}}{The item has been deselected.}
\twocolitem{{\bf EVT\_LIST\_ITEM\_ACTIVATED(id, func)}}{The item has been activated (ENTER or double click).}
\twocolitem{{\bf EVT\_LIST\_ITEM\_RIGHT\_CLICK(id, func)}}{An item has been right-clicked.}
\twocolitem{{\bf EVT\_LIST\_KEY\_DOWN(id, func)}}{A key has been pressed.}
\twocolitem{{\bf EVT\_LIST\_INSERT\_ITEM(id, func)}}{An item has been inserted.}
\twocolitem{{\bf EVT\_LIST\_COL\_CLICK(id, func)}}{A column ({\bf m\_col}) has been left-clicked.}
\twocolitem{{\bf EVT\_LIST\_COL\_RIGHT\_CLICK(id, func)}}{A column ({\bf m\_col}) has been right-clicked.}
\twocolitem{{\bf EVT\_LIST\_COL\_BEGIN\_DRAG(id, func)}}{The user started resizing a column - can be vetoed.}
\twocolitem{{\bf EVT\_LIST\_COL\_DRAGGING(id, func)}}{The divider between columns is being dragged.}
\twocolitem{{\bf EVT\_LIST\_COL\_END\_DRAG(id, func)}}{A column has been resized by the user.}
\twocolitem{{\bf EVT\_LIST\_CACHE\_HINT(id, func)}}{Prepare cache for a virtual list control}
\end{twocollist}%
@@ -85,7 +90,10 @@ The old item index.
\constfunc{int}{GetColumn}{\void}
The column position.
The column position: it is only used with {\tt COL} events. For the column
dragging events, it is the column to the left of the divider being dragged, for
the column click events it may be $-1$ if the user clicked in the list control
header outside any column.
\membersection{wxListEvent::Cancelled}\label{wxlisteventcancelled}

15
include/wx/listctrl.h
View File

@@ -399,6 +399,10 @@ BEGIN_DECLARE_EVENT_TYPES()
DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK, 714)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_ACTIVATED, 715)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_CACHE_HINT, 716)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK, 717)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG, 718)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING, 719)
DECLARE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG, 720)
END_DECLARE_EVENT_TYPES()
typedef void (wxEvtHandler::*wxListEventFunction)(wxListEvent&);
@@ -411,14 +415,21 @@ typedef void (wxEvtHandler::*wxListEventFunction)(wxListEvent&);
#define EVT_LIST_DELETE_ALL_ITEMS(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_GET_INFO(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_GET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_SET_INFO(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_SET_INFO, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_ITEM_SELECTED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_ITEM_SELECTED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_ITEM_DESELECTED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_ITEM_DESELECTED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_KEY_DOWN(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_KEY_DOWN, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_INSERT_ITEM(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_INSERT_ITEM, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_COL_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_COL_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_COL_RIGHT_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_COL_RIGHT_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_COL_BEGIN_DRAG(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_COL_BEGIN_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_COL_DRAGGING(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_COL_DRAGGING, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_COL_END_DRAG(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_COL_END_DRAG, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_ITEM_SELECTED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_ITEM_SELECTED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_ITEM_DESELECTED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_ITEM_DESELECTED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, NULL ),
#define EVT_LIST_ITEM_RIGHT_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_ITEM_RIGHT_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, (wxObject *) NULL ),
#define EVT_LIST_ITEM_MIDDLE_CLICK(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, (wxObject *) NULL ),
#define EVT_LIST_ITEM_ACTIVATED(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_ITEM_ACTIVATED, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, (wxObject *) NULL ),
#define EVT_LIST_CACHE_HINT(id, fn) DECLARE_EVENT_TABLE_ENTRY( wxEVT_COMMAND_LIST_CACHE_HINT, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxListEventFunction) & fn, (wxObject *) NULL ),
#endif // wxUSE_LISTCTRL

26
samples/listctrl/listtest.cpp
View File

@@ -90,7 +90,13 @@ BEGIN_EVENT_TABLE(MyListCtrl, wxListCtrl)
EVT_LIST_ITEM_DESELECTED(LIST_CTRL, MyListCtrl::OnDeselected)
EVT_LIST_KEY_DOWN(LIST_CTRL, MyListCtrl::OnListKeyDown)
EVT_LIST_ITEM_ACTIVATED(LIST_CTRL, MyListCtrl::OnActivated)
EVT_LIST_COL_CLICK(LIST_CTRL, MyListCtrl::OnColClick)
EVT_LIST_COL_RIGHT_CLICK(LIST_CTRL, MyListCtrl::OnColRightClick)
EVT_LIST_COL_BEGIN_DRAG(LIST_CTRL, MyListCtrl::OnColBeginDrag)
EVT_LIST_COL_DRAGGING(LIST_CTRL, MyListCtrl::OnColDragging)
EVT_LIST_COL_END_DRAG(LIST_CTRL, MyListCtrl::OnColEndDrag)
EVT_LIST_CACHE_HINT(LIST_CTRL, MyListCtrl::OnCacheHint)
EVT_CHAR(MyListCtrl::OnChar)
@@ -577,6 +583,26 @@ void MyListCtrl::OnColClick(wxListEvent& event)
wxLogMessage( wxT("OnColumnClick at %d."), event.GetColumn() );
}
void MyListCtrl::OnColRightClick(wxListEvent& event)
{
wxLogMessage( wxT("OnColumnRightClick at %d."), event.GetColumn() );
}
void MyListCtrl::OnColBeginDrag(wxListEvent& event)
{
wxLogMessage( wxT("OnColBeginDrag: column %d."), event.GetColumn() );
}
void MyListCtrl::OnColDragging(wxListEvent& event)
{
wxLogMessage( wxT("OnColDragging: column %d."), event.GetColumn() );
}
void MyListCtrl::OnColEndDrag(wxListEvent& event)
{
wxLogMessage( wxT("OnColEndDrag: column %d."), event.GetColumn() );
}
void MyListCtrl::OnBeginDrag(wxListEvent& event)
{
const wxPoint& pt = event.m_pointDrag;

4
samples/listctrl/listtest.h
View File

@@ -33,6 +33,10 @@ public:
void InsertItemInReportView(int i);
void OnColClick(wxListEvent& event);
void OnColRightClick(wxListEvent& event);
void OnColBeginDrag(wxListEvent& event);
void OnColDragging(wxListEvent& event);
void OnColEndDrag(wxListEvent& event);
void OnBeginDrag(wxListEvent& event);
void OnBeginRDrag(wxListEvent& event);
void OnBeginLabelEdit(wxListEvent& event);

15
src/generic/listctrl.cpp
View File

@@ -65,6 +65,10 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG)
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)
@@ -1973,19 +1977,22 @@ void wxListHeaderWindow::OnMouse( wxMouseEvent &event )
m_minX = xpos;
}
if (event.LeftDown())
if (event.LeftDown() || event.RightUp())
{
if (hit_border)
if (hit_border && event.LeftDown())
{
m_isDragging = TRUE;
m_currentX = x;
DrawCurrent();
CaptureMouse();
}
else
else // click on a column
{
wxWindow *parent = GetParent();
wxListEvent le( wxEVT_COMMAND_LIST_COL_CLICK, parent->GetId() );
wxListEvent le( event.LeftDown()
? wxEVT_COMMAND_LIST_COL_CLICK
: wxEVT_COMMAND_LIST_COL_RIGHT_CLICK,
parent->GetId() );
le.SetEventObject( parent );
le.m_col = m_column;
parent->GetEventHandler()->ProcessEvent( le );

520
src/msw/listctrl.cpp
View File

@@ -117,6 +117,10 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_DESELECTED)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_KEY_DOWN)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_INSERT_ITEM)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_RIGHT_CLICK)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_BEGIN_DRAG)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_DRAGGING)
DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_END_DRAG)
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)
@@ -1478,172 +1482,249 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
NMHDR *nmhdr = (NMHDR *)lParam;
// almost all messages use NM_LISTVIEW
NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
// check for messages from the header (in report view)
HWND hwndHdr = ListView_GetHeader(GetHwnd());
// this is true for almost all events
event.m_item.m_data = nmLV->lParam;
switch ( nmhdr->code )
// is it a message from the header?
if ( nmhdr->hwndFrom == hwndHdr )
{
case LVN_BEGINRDRAG:
eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
// fall through
NMHEADER *nmHDR = (NMHEADER *)nmhdr;
event.m_itemIndex = -1;
case LVN_BEGINDRAG:
if ( eventType == wxEVT_NULL )
{
eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
}
switch ( nmhdr->code )
{
// yet another comctl32.dll bug: under NT/W2K it sends Unicode
// TRACK messages even to ANSI programs: on my system I get
// HDN_BEGINTRACKW and HDN_ENDTRACKA and no HDN_TRACK at all!
//
// work around is to simply catch both versions and hope that it
// works (why should this message exist in ANSI and Unicode is
// beyond me as it doesn't deal with strings at all...)
case HDN_BEGINTRACKA:
case HDN_BEGINTRACKW:
eventType = wxEVT_COMMAND_LIST_COL_BEGIN_DRAG;
// fall through
event.m_itemIndex = nmLV->iItem;
event.m_pointDrag.x = nmLV->ptAction.x;
event.m_pointDrag.y = nmLV->ptAction.y;
break;
case HDN_TRACKA:
case HDN_TRACKW:
if ( eventType == wxEVT_NULL )
eventType = wxEVT_COMMAND_LIST_COL_DRAGGING;
// fall through
case LVN_BEGINLABELEDIT:
{
eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
event.m_itemIndex = event.m_item.m_itemId;
}
break;
case HDN_ENDTRACKA:
case HDN_ENDTRACKW:
if ( eventType == wxEVT_NULL )
eventType = wxEVT_COMMAND_LIST_COL_END_DRAG;
event.m_col = nmHDR->iItem;
break;
case LVN_COLUMNCLICK:
eventType = wxEVT_COMMAND_LIST_COL_CLICK;
event.m_itemIndex = -1;
event.m_col = nmLV->iSubItem;
break;
case LVN_DELETEALLITEMS:
eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
event.m_itemIndex = -1;
FreeAllAttrs();
break;
case LVN_DELETEITEM:
eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
event.m_itemIndex = nmLV->iItem;
if ( m_hasAnyAttr )
{
delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem);
}
break;
case LVN_ENDLABELEDIT:
{
eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
if ( info->item.pszText == NULL || info->item.iItem == -1 )
return FALSE;
event.m_itemIndex = event.m_item.m_itemId;
}
break;
case LVN_SETDISPINFO:
{
eventType = wxEVT_COMMAND_LIST_SET_INFO;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
}
break;
case LVN_INSERTITEM:
eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
event.m_itemIndex = nmLV->iItem;
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) )
{
eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
event.m_itemIndex = nmLV->iItem;
}
else
{
return FALSE;
}
break;
case LVN_KEYDOWN:
{
LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
WORD wVKey = info->wVKey;
// get the current selection
long lItem = GetNextItem(-1,
wxLIST_NEXT_ALL,
wxLIST_STATE_SELECTED);
// <Enter> or <Space> activate the selected item if any (but
// not with Shift and/or Ctrl as then they have a predefined
// meaning for the list view)
if ( lItem != -1 &&
(wVKey == VK_RETURN || wVKey == VK_SPACE) &&
!(wxIsShiftDown() || wxIsCtrlDown()) )
case NM_RCLICK:
{
eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK;
event.m_col = -1;
// find the column clicked: we have to search for it
// ourselves as the notification message doesn't provide
// this info
// where did the click occur?
POINT ptClick;
if ( !::GetCursorPos(&ptClick) )
{
wxLogLastError(_T("GetCursorPos"));
}
if ( !::ScreenToClient(hwndHdr, &ptClick) )
{
wxLogLastError(_T("ScreenToClient(listctrl header)"));
}
event.m_pointDrag.x = ptClick.x;
event.m_pointDrag.y = ptClick.y;
int colCount = Header_GetItemCount(hwndHdr);
RECT rect;
for ( int col = 0; col < colCount; col++ )
{
if ( Header_GetItemRect(hwndHdr, col, &rect) )
{
if ( ::PtInRect(&rect, ptClick) )
{
event.m_col = col;
break;
}
}
}
}
break;
default:
return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
}
else if ( nmhdr->hwndFrom == GetHwnd() )
{
// almost all messages use NM_LISTVIEW
NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
// this is true for almost all events
event.m_item.m_data = nmLV->lParam;
switch ( nmhdr->code )
{
case LVN_BEGINRDRAG:
eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
// fall through
case LVN_BEGINDRAG:
if ( eventType == wxEVT_NULL )
{
eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
}
event.m_itemIndex = nmLV->iItem;
event.m_pointDrag.x = nmLV->ptAction.x;
event.m_pointDrag.y = nmLV->ptAction.y;
break;
case LVN_BEGINLABELEDIT:
{
eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
event.m_itemIndex = event.m_item.m_itemId;
}
break;
case LVN_COLUMNCLICK:
eventType = wxEVT_COMMAND_LIST_COL_CLICK;
event.m_itemIndex = -1;
event.m_col = nmLV->iSubItem;
break;
case LVN_DELETEALLITEMS:
eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
event.m_itemIndex = -1;
FreeAllAttrs();
break;
case LVN_DELETEITEM:
eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
event.m_itemIndex = nmLV->iItem;
if ( m_hasAnyAttr )
{
delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem);
}
break;
case LVN_ENDLABELEDIT:
{
eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
if ( info->item.pszText == NULL || info->item.iItem == -1 )
return FALSE;
event.m_itemIndex = event.m_item.m_itemId;
}
break;
case LVN_SETDISPINFO:
{
eventType = wxEVT_COMMAND_LIST_SET_INFO;
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item);
}
break;
case LVN_INSERTITEM:
eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
event.m_itemIndex = nmLV->iItem;
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) )
{
eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
event.m_itemIndex = nmLV->iItem;
}
else
{
eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
event.m_code = wxCharCodeMSWToWX(wVKey);
return FALSE;
}
break;
event.m_itemIndex =
event.m_item.m_itemId = lItem;
if ( lItem != -1 )
case LVN_KEYDOWN:
{
// fill the other fields too
event.m_item.m_text = GetItemText(lItem);
event.m_item.m_data = GetItemData(lItem);
LV_KEYDOWN *info = (LV_KEYDOWN *)lParam;
WORD wVKey = info->wVKey;
// get the current selection
long lItem = GetNextItem(-1,
wxLIST_NEXT_ALL,
wxLIST_STATE_SELECTED);
// <Enter> or <Space> activate the selected item if any (but
// not with Shift and/or Ctrl as then they have a predefined
// meaning for the list view)
if ( lItem != -1 &&
(wVKey == VK_RETURN || wVKey == VK_SPACE) &&
!(wxIsShiftDown() || wxIsCtrlDown()) )
{
eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
}
else
{
eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
event.m_code = wxCharCodeMSWToWX(wVKey);
}
event.m_itemIndex =
event.m_item.m_itemId = lItem;
if ( lItem != -1 )
{
// fill the other fields too
event.m_item.m_text = GetItemText(lItem);
event.m_item.m_data = GetItemData(lItem);
}
}
}
break;
break;
case NM_DBLCLK:
// if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
// anything else
if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
{
return TRUE;
}
case NM_DBLCLK:
// if the user processes it in wxEVT_COMMAND_LEFT_CLICK(), don't do
// anything else
if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
{
return TRUE;
}
// else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
// if it happened on an item (and not on empty place)
if ( nmLV->iItem == -1 )
{
// not on item
return FALSE;
}
// else translate it into wxEVT_COMMAND_LIST_ITEM_ACTIVATED event
// if it happened on an item (and not on empty place)
if ( nmLV->iItem == -1 )
{
// not on item
return FALSE;
}
eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
event.m_itemIndex = nmLV->iItem;
event.m_item.m_text = GetItemText(nmLV->iItem);
event.m_item.m_data = GetItemData(nmLV->iItem);
break;
eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED;
event.m_itemIndex = nmLV->iItem;
event.m_item.m_text = GetItemText(nmLV->iItem);
event.m_item.m_data = GetItemData(nmLV->iItem);
break;
case NM_RCLICK:
/* TECH NOTE: NM_RCLICK isn't really good enough here. We want to
subclass and check for the actual WM_RBUTTONDOWN message,
because NM_RCLICK waits for the WM_RBUTTONUP message as well
before firing off. We want to have notify events for both down
-and- up. */
{
case NM_RCLICK:
// if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(),
// don't do anything else
if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
@@ -1667,89 +1748,76 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
event.m_pointDrag.y = lvhti.pt.y;
}
}
}
break;
#if 0
case NM_MCLICK: // ***** THERE IS NO NM_MCLICK. Subclass anyone? ******
{
// if the user processes it in wxEVT_COMMAND_MIDDLE_CLICK(), don't do
// anything else
if ( wxControl::MSWOnNotify(idCtrl, lParam, result) )
{
return TRUE;
}
// else translate it into wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK event
eventType = wxEVT_COMMAND_LIST_ITEM_MIDDLE_CLICK;
NMITEMACTIVATE* hdr = (NMITEMACTIVATE*)lParam;
event.m_itemIndex = hdr->iItem;
}
break;
#endif // 0
break;
#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
&& !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
case NM_CUSTOMDRAW:
*result = OnCustomDraw(lParam);
return TRUE;
#endif // _WIN32_IE >= 0x300
case LVN_ODCACHEHINT:
{
const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam;
eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
// we get some really stupid cache hints like ones for items in
// range 0..0 for an empty control or, after deleting an item,
// for items in invalid range - filter this garbage out
if ( cacheHint->iFrom < cacheHint->iTo )
{
event.m_oldItemIndex = cacheHint->iFrom;
long iMax = GetItemCount();
event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
: iMax - 1;
}
else
{
return FALSE;
}
}
break;
case LVN_GETDISPINFO:
if ( IsVirtual() )
{
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
LV_ITEM& lvi = info->item;
long item = lvi.iItem;
if ( lvi.mask & LVIF_TEXT )
{
wxString text = OnGetItemText(item, lvi.iSubItem);
wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
}
if ( lvi.mask & LVIF_IMAGE )
{
lvi.iImage = OnGetItemImage(item);
}
// a little dose of healthy paranoia: as we never use
// LVM_SETCALLBACKMASK we're not supposed to get these ones
wxASSERT_MSG( !(lvi.mask & LVIF_STATE),
_T("we don't support state callbacks yet!") );
&& !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
case NM_CUSTOMDRAW:
*result = OnCustomDraw(lParam);
return TRUE;
}
// fall through
#endif // _WIN32_IE >= 0x300
default:
return wxControl::MSWOnNotify(idCtrl, lParam, result);
case LVN_ODCACHEHINT:
{
const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam;
eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
// we get some really stupid cache hints like ones for items in
// range 0..0 for an empty control or, after deleting an item,
// for items in invalid range - filter this garbage out
if ( cacheHint->iFrom < cacheHint->iTo )
{
event.m_oldItemIndex = cacheHint->iFrom;
long iMax = GetItemCount();
event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
: iMax - 1;
}
else
{
return FALSE;
}
}
break;
case LVN_GETDISPINFO:
if ( IsVirtual() )
{
LV_DISPINFO *info = (LV_DISPINFO *)lParam;
LV_ITEM& lvi = info->item;
long item = lvi.iItem;
if ( lvi.mask & LVIF_TEXT )
{
wxString text = OnGetItemText(item, lvi.iSubItem);
wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
}
if ( lvi.mask & LVIF_IMAGE )
{
lvi.iImage = OnGetItemImage(item);
}
// a little dose of healthy paranoia: as we never use
// LVM_SETCALLBACKMASK we're not supposed to get these ones
wxASSERT_MSG( !(lvi.mask & LVIF_STATE),
_T("we don't support state callbacks yet!") );
return TRUE;
}
// fall through
default:
return wxControl::MSWOnNotify(idCtrl, lParam, result);
}
}
else
{
// where did this one come from?
return FALSE;
}
// process the event