/////////////////////////////////////////////////////////////////////////////
-// Name: listctrl.cpp
+// Name: src/msw/listctrl.cpp
// Purpose: wxListCtrl
// Author: Julian Smart
// Modified by:
#define LVN_ODCACHEHINT (-113)
#endif
+#ifndef ListView_GetHeader
+ #define ListView_GetHeader(w) (HWND)SendMessage((w),LVM_GETHEADER,0,0)
+#endif
+
+#ifndef LVM_GETHEADER
+ #define LVM_GETHEADER (LVM_FIRST+31)
+#endif
+
+#ifndef Header_GetItemRect
+ #define Header_GetItemRect(w,i,r) \
+ (BOOL)SendMessage((w),HDM_GETITEMRECT,(WPARAM)(i),(LPARAM)(r))
+#endif
+
+#ifndef HDM_GETITEMRECT
+ #define HDM_GETITEMRECT (HDM_FIRST+7)
+#endif
+
+#ifndef LVCF_IMAGE
+ #define LVCF_IMAGE 0x0010
+#endif
+
+#ifndef LVCFMT_BITMAP_ON_RIGHT
+ #define LVCFMT_BITMAP_ON_RIGHT 0x1000
+#endif
+
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
wxListItem& info,
/* const */ LV_ITEM& lvItem);
+// convert our wxListItem to LV_COLUMN
+static void wxConvertToMSWListCol(int col, const wxListItem& item,
+ LV_COLUMN& lvCol);
+
// ----------------------------------------------------------------------------
// events
// ----------------------------------------------------------------------------
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)
+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
// ----------------------------------------------------------------------------
bool wxListCtrl::GetColumn(int col, wxListItem& item) const
{
LV_COLUMN lvCol;
- lvCol.mask = 0;
- lvCol.fmt = 0;
- lvCol.pszText = NULL;
+ wxZeroMemory(lvCol);
if ( item.m_mask & wxLIST_MASK_TEXT )
{
lvCol.cchTextMax = 512;
}
- bool success = (ListView_GetColumn(GetHwnd(), col, & lvCol) != 0);
+ bool success = ListView_GetColumn(GetHwnd(), col, & lvCol) != 0;
// item.m_subItem = lvCol.iSubItem;
item.m_width = lvCol.cx;
bool wxListCtrl::SetColumn(int col, wxListItem& item)
{
LV_COLUMN lvCol;
- lvCol.mask = 0;
- lvCol.fmt = 0;
- lvCol.pszText = NULL;
-
- if ( item.m_mask & wxLIST_MASK_TEXT )
- {
- lvCol.mask |= LVCF_TEXT;
- lvCol.pszText = WXSTRINGCAST item.m_text;
- lvCol.cchTextMax = 0; // Ignored
- }
- if ( item.m_mask & wxLIST_MASK_FORMAT )
- {
- lvCol.mask |= LVCF_FMT;
+ wxConvertToMSWListCol(col, item, lvCol);
- if ( item.m_format == wxLIST_FORMAT_LEFT )
- lvCol.fmt = LVCFMT_LEFT;
- if ( item.m_format == wxLIST_FORMAT_RIGHT )
- lvCol.fmt = LVCFMT_RIGHT;
- if ( item.m_format == wxLIST_FORMAT_CENTRE )
- lvCol.fmt = LVCFMT_CENTER;
- }
-
- if ( item.m_mask & wxLIST_MASK_WIDTH )
- {
- lvCol.mask |= LVCF_WIDTH;
- lvCol.cx = item.m_width;
-
- if ( lvCol.cx == wxLIST_AUTOSIZE)
- lvCol.cx = LVSCW_AUTOSIZE;
- else if ( lvCol.cx == wxLIST_AUTOSIZE_USEHEADER)
- lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
- }
- lvCol.mask |= LVCF_SUBITEM;
- lvCol.iSubItem = col;
- return (ListView_SetColumn(GetHwnd(), col, & lvCol) != 0);
+ return ListView_SetColumn(GetHwnd(), col, &lvCol) != 0;
}
// Gets the column width
else if ( width2 == wxLIST_AUTOSIZE_USEHEADER)
width2 = LVSCW_AUTOSIZE_USEHEADER;
- return (ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0);
+ return ListView_SetColumnWidth(GetHwnd(), col2, width2) != 0;
}
// Gets the number of items that can fit vertically in the
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
long wxListCtrl::InsertColumn(long col, wxListItem& item)
{
LV_COLUMN lvCol;
- lvCol.mask = 0;
- lvCol.fmt = 0;
- lvCol.pszText = NULL;
+ wxConvertToMSWListCol(col, item, lvCol);
- if ( item.m_mask & wxLIST_MASK_TEXT )
- {
- lvCol.mask |= LVCF_TEXT;
- lvCol.pszText = WXSTRINGCAST item.m_text;
- lvCol.cchTextMax = 0; // Ignored
- }
- if ( item.m_mask & wxLIST_MASK_FORMAT )
- {
- lvCol.mask |= LVCF_FMT;
-
- if ( item.m_format == wxLIST_FORMAT_LEFT )
- lvCol.fmt = LVCFMT_LEFT;
- if ( item.m_format == wxLIST_FORMAT_RIGHT )
- lvCol.fmt = LVCFMT_RIGHT;
- if ( item.m_format == wxLIST_FORMAT_CENTRE )
- lvCol.fmt = LVCFMT_CENTER;
- }
-
- lvCol.mask |= LVCF_WIDTH;
- if ( item.m_mask & wxLIST_MASK_WIDTH )
- {
- if ( item.m_width == wxLIST_AUTOSIZE)
- lvCol.cx = LVSCW_AUTOSIZE;
- else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER)
- lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
- else
- lvCol.cx = item.m_width;
- }
- else
+ if ( !(lvCol.mask & LVCF_WIDTH) )
{
// always give some width to the new column: this one is compatible
- // with wxGTK
+ // with the generic version
+ lvCol.mask |= LVCF_WIDTH;
lvCol.cx = 80;
}
- lvCol.mask |= LVCF_SUBITEM;
- lvCol.iSubItem = col;
+ // when we insert a column which can contain an image, we must specify this
+ // flag right now as doing it later in SetColumn() has no effect
+ //
+ // we use LVCFMT_BITMAP_ON_RIGHT by default because without it there is no
+ // way to dynamically set/clear the bitmap as the column without a bitmap
+ // on the left looks ugly (there is a hole)
+ //
+ // unfortunately with my version of comctl32.dll (5.80), the left column
+ // image is always on the left and it seems that it's a "feature" - I
+ // didn't find any way to work around it in any case
+ if ( lvCol.mask & LVCF_IMAGE )
+ {
+ lvCol.mask |= LVCF_FMT;
+ lvCol.fmt |= LVCFMT_BITMAP_ON_RIGHT;
+ }
- bool success = ListView_InsertColumn(GetHwnd(), col, & lvCol) != -1;
+ bool success = ListView_InsertColumn(GetHwnd(), col, &lvCol) != -1;
if ( success )
{
m_colCount++;
// -----------------
wxListEvent event(wxEVT_NULL, m_windowId);
+ event.SetEventObject(this);
+
wxEventType eventType = wxEVT_NULL;
NMHDR *nmhdr = (NMHDR *)lParam;
- // almost all messages use NM_LISTVIEW
- NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
+ // 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
- // this is true for almost all events
- event.m_item.m_data = nmLV->lParam;
+ // check for messages from the header (in report view)
+ HWND hwndHdr = ListView_GetHeader(GetHwnd());
- 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
+#ifdef __WATCOMC__
+ HD_NOTIFY *nmHDR = (HD_NOTIFY *)nmhdr;
+#else
+ NMHEADER *nmHDR = (NMHEADER *)nmhdr;
+#endif
+ 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
+
+ case HDN_TRACKA:
+ case HDN_TRACKW:
+ if ( eventType == wxEVT_NULL )
+ eventType = wxEVT_COMMAND_LIST_COL_DRAGGING;
+ // fall through
+
+ case HDN_ENDTRACKA:
+ case HDN_ENDTRACKW:
+ if ( eventType == wxEVT_NULL )
+ eventType = wxEVT_COMMAND_LIST_COL_END_DRAG;
+ event.m_col = nmHDR->iItem;
+ break;
+
+ case NM_RCLICK:
+ {
+ eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK;
+ event.m_col = -1;
- event.m_itemIndex = nmLV->iItem;
- event.m_pointDrag.x = nmLV->ptAction.x;
- event.m_pointDrag.y = nmLV->ptAction.y;
- break;
+ // find the column clicked: we have to search for it
+ // ourselves as the notification message doesn't provide
+ // this info
- 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;
+ // where did the click occur?
+ POINT ptClick;
+ if ( !::GetCursorPos(&ptClick) )
+ {
+ wxLogLastError(_T("GetCursorPos"));
+ }
- case LVN_COLUMNCLICK:
- eventType = wxEVT_COMMAND_LIST_COL_CLICK;
- event.m_itemIndex = -1;
- event.m_col = nmLV->iSubItem;
- break;
+ if ( !::ScreenToClient(hwndHdr, &ptClick) )
+ {
+ wxLogLastError(_T("ScreenToClient(listctrl header)"));
+ }
- case LVN_DELETEALLITEMS:
- eventType = wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS;
- event.m_itemIndex = -1;
+ event.m_pointDrag.x = ptClick.x;
+ event.m_pointDrag.y = ptClick.y;
- FreeAllAttrs();
+ 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;
- break;
+ default:
+ return wxControl::MSWOnNotify(idCtrl, lParam, result);
+ }
+ }
+ else
+#endif // defined(LVM_FIRST)
+ if ( nmhdr->hwndFrom == GetHwnd() )
+ {
+ // almost all messages use NM_LISTVIEW
+ NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr;
- case LVN_DELETEITEM:
- eventType = wxEVT_COMMAND_LIST_DELETE_ITEM;
- event.m_itemIndex = nmLV->iItem;
+ // this is true for almost all events
+ event.m_item.m_data = nmLV->lParam;
- if ( m_hasAnyAttr )
- {
- delete (wxListItemAttr *)m_attrs.Delete(nmLV->iItem);
- }
- break;
+ switch ( nmhdr->code )
+ {
+ case LVN_BEGINRDRAG:
+ eventType = wxEVT_COMMAND_LIST_BEGIN_RDRAG;
+ // fall through
- 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;
+ case LVN_BEGINDRAG:
+ if ( eventType == wxEVT_NULL )
+ {
+ eventType = wxEVT_COMMAND_LIST_BEGIN_DRAG;
+ }
- event.m_itemIndex = event.m_item.m_itemId;
- }
- break;
+ event.m_itemIndex = nmLV->iItem;
+ event.m_pointDrag.x = nmLV->ptAction.x;
+ event.m_pointDrag.y = nmLV->ptAction.y;
+ 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_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_INSERTITEM:
- eventType = wxEVT_COMMAND_LIST_INSERT_ITEM;
- event.m_itemIndex = nmLV->iItem;
- break;
+ case LVN_COLUMNCLICK:
+ eventType = wxEVT_COMMAND_LIST_COL_CLICK;
+ event.m_itemIndex = -1;
+ event.m_col = nmLV->iSubItem;
+ 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;
+ 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;
- }
- else if ( !(nmLV->uNewState & LVIS_SELECTED) && (nmLV->uOldState & LVIS_SELECTED) )
- {
- eventType = wxEVT_COMMAND_LIST_ITEM_DESELECTED;
+
+ 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(NULL, 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;
- }
- else
- {
- return FALSE;
- }
- break;
+ 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 LVN_ITEMCHANGED:
+ // 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_ACTIVATED;
+ // 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 )
{
- eventType = wxEVT_COMMAND_LIST_KEY_DOWN;
- event.m_code = wxCharCodeMSWToWX(wVKey);
+ // not an interesting event for us
+ return FALSE;
}
- event.m_itemIndex =
- event.m_item.m_itemId = lItem;
+ break;
- 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;
+
+ // 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 =
+ 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;
-
- 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. */
- {
+ 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:
// if the user processes it in wxEVT_COMMAND_RIGHT_CLICK(),
// don't do anything else
if ( wxControl::MSWOnNotify(idCtrl, lParam, 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);
+ && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
+ case NM_CUSTOMDRAW:
+ *result = OnCustomDraw(lParam);
- return TRUE;
+ return TRUE;
#endif // _WIN32_IE >= 0x300
- case LVN_ODCACHEHINT:
- {
- const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam;
+ case LVN_ODCACHEHINT:
+ {
+ const NM_CACHEHINT *cacheHint = (NM_CACHEHINT *)lParam;
- eventType = wxEVT_COMMAND_LIST_CACHE_HINT;
+ 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;
+ // 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;
+ long iMax = GetItemCount();
+ event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo
+ : iMax - 1;
+ }
+ else
+ {
+ return FALSE;
+ }
}
- }
- break;
+ break;
- case LVN_GETDISPINFO:
- if ( IsVirtual() )
- {
- LV_DISPINFO *info = (LV_DISPINFO *)lParam;
+ case LVN_GETDISPINFO:
+ if ( IsVirtual() )
+ {
+ LV_DISPINFO *info = (LV_DISPINFO *)lParam;
- LV_ITEM& lvi = info->item;
- long item = lvi.iItem;
+ 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_TEXT )
+ {
+ wxString text = OnGetItemText(item, lvi.iSubItem);
+ wxStrncpy(lvi.pszText, text, lvi.cchTextMax);
+ }
- if ( lvi.mask & LVIF_IMAGE )
- {
- lvi.iImage = OnGetItemImage(item);
- }
+#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
+ && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
+ if ( lvi.mask & LVIF_IMAGE )
+ {
+ lvi.iImage = OnGetItemImage(item);
+ }
+#endif
- // 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!") );
+ // 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
+ return TRUE;
+ }
+ // fall through
- default:
- return wxControl::MSWOnNotify(idCtrl, lParam, result);
+ default:
+ return wxControl::MSWOnNotify(idCtrl, lParam, result);
+ }
+ }
+ else
+ {
+ // where did this one come from?
+ return FALSE;
}
// process the event
// -----------------
- event.SetEventObject( this );
event.SetEventType(eventType);
if ( !GetEventHandler()->ProcessEvent(event) )
dc.DrawLine(0, cy, clientSize.x, cy);
}
// Draw last line
- if (i == (GetItemCount() - 1))
+ if (i == itemCount - 1)
{
cy = itemRect.GetBottom();
dc.DrawLine(0, cy, clientSize.x, cy);
}
}
}
- i = (GetItemCount() - 1);
+ i = itemCount - 1;
if (drawVRules && (i > -1))
{
wxRect firstItemRect;
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)
lvItem.mask |= LVIF_PARAM;
}
-// ----------------------------------------------------------------------------
-// List event
-// ----------------------------------------------------------------------------
+static void wxConvertToMSWListCol(int col, const wxListItem& item,
+ LV_COLUMN& lvCol)
+{
+ wxZeroMemory(lvCol);
-IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent)
+ if ( item.m_mask & wxLIST_MASK_TEXT )
+ {
+ lvCol.mask |= LVCF_TEXT;
+ lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe
+ }
-wxListEvent::wxListEvent(wxEventType commandType, int id)
- : wxNotifyEvent(commandType, id)
-{
- m_code = 0;
- m_itemIndex = 0;
- m_oldItemIndex = 0;
- m_col = 0;
- m_cancelled = FALSE;
+ if ( item.m_mask & wxLIST_MASK_FORMAT )
+ {
+ lvCol.mask |= LVCF_FMT;
+
+ if ( item.m_format == wxLIST_FORMAT_LEFT )
+ lvCol.fmt = LVCFMT_LEFT;
+ else if ( item.m_format == wxLIST_FORMAT_RIGHT )
+ lvCol.fmt = LVCFMT_RIGHT;
+ else if ( item.m_format == wxLIST_FORMAT_CENTRE )
+ lvCol.fmt = LVCFMT_CENTER;
+ }
+
+ if ( item.m_mask & wxLIST_MASK_WIDTH )
+ {
+ lvCol.mask |= LVCF_WIDTH;
+ if ( item.m_width == wxLIST_AUTOSIZE)
+ lvCol.cx = LVSCW_AUTOSIZE;
+ else if ( item.m_width == wxLIST_AUTOSIZE_USEHEADER)
+ lvCol.cx = LVSCW_AUTOSIZE_USEHEADER;
+ else
+ lvCol.cx = item.m_width;
+ }
+
+#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 \
+ && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 1 ) )
+ if ( item.m_mask & wxLIST_MASK_IMAGE )
+ {
+ if ( wxTheApp->GetComCtl32Version() >= 470 )
+ {
+ lvCol.mask |= LVCF_IMAGE;
+ lvCol.iImage = item.m_image;
+ }
+ //else: it doesn't support item images anyhow
+ }
+#endif
}
#endif // wxUSE_LISTCTRL
projects / wxWidgets.git / blobdiff