X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6443de026310552cacd68a6d0318e73d14929680..d21d2e5adf7a5acf3b496a9c4e87eab220bd75d8:/src/msw/listctrl.cpp?ds=sidebyside diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index 156485d6d5..6b4a882131 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: listctrl.cpp +// Name: src/msw/listctrl.cpp // Purpose: wxListCtrl // Author: Julian Smart // Modified by: @@ -84,6 +84,31 @@ #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 // ---------------------------------------------------------------------------- @@ -100,6 +125,10 @@ static void wxConvertFromMSWListItem(HWND hwndListCtrl, wxListItem& info, /* const */ LV_ITEM& lvItem); +// convert our wxListItem to LV_COLUMN +static void wxConvertToMSWListCol(int col, const wxListItem& item, + LV_COLUMN& lvCol); + // ---------------------------------------------------------------------------- // events // ---------------------------------------------------------------------------- @@ -117,15 +146,22 @@ 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) +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() @@ -134,41 +170,6 @@ 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 // ---------------------------------------------------------------------------- @@ -532,9 +533,7 @@ bool wxListCtrl::SetBackgroundColour(const wxColour& col) 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 ) { @@ -543,7 +542,7 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const 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; @@ -571,41 +570,9 @@ bool wxListCtrl::GetColumn(int col, wxListItem& item) const 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 @@ -627,7 +594,7 @@ bool wxListCtrl::SetColumnWidth(int col, int 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 @@ -702,12 +669,17 @@ bool wxListCtrl::SetItem(wxListItem& info) 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 @@ -732,7 +704,7 @@ bool wxListCtrl::SetItem(wxListItem& info) if ( updateNow ) { // we need this to make the change visible right now - ListView_Update(GetHwnd(), item.iItem); + RefreshItem(item.iItem); } return TRUE; @@ -779,6 +751,22 @@ bool wxListCtrl::SetItemState(long item, long state, long stateMask) 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) ) { @@ -787,6 +775,17 @@ bool wxListCtrl::SetItemState(long item, long state, long stateMask) 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; } @@ -855,26 +854,33 @@ bool wxListCtrl::SetItemData(long item, long data) // 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; } @@ -1050,13 +1056,41 @@ bool wxListCtrl::Arrange(int flag) // 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 @@ -1281,49 +1315,33 @@ long wxListCtrl::InsertItem(long index, const wxString& label, int imageIndex) 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++; @@ -1474,176 +1492,300 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // ----------------- 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); - - // or 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); + + // or 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) ) @@ -1667,95 +1809,84 @@ 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); + && !( 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) ) @@ -1917,7 +2048,7 @@ void wxListCtrl::OnPaint(wxPaintEvent& 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); @@ -1925,7 +2056,7 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) } } } - i = (GetItemCount() - 1); + i = itemCount - 1; if (drawVRules && (i > -1)) { wxRect firstItemRect; @@ -1987,10 +2118,18 @@ void wxListCtrl::SetItemCount(long count) 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) @@ -2203,20 +2342,52 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, 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