X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0c1602b8ad0a0e348141287db89c472949b809c9..83a429763805e99f52ced9024a7da26b71deda4f:/src/msw/listctrl.cpp diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index f61b3fd9ca..ff4b32b802 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -279,7 +279,7 @@ wxEND_HANDLERS_TABLE() wxCONSTRUCTOR_5( wxListCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) /* - TODO : Expose more information of a list's layout etc. via appropriate objects (à la NotebookPageInfo) + TODO : Expose more information of a list's layout etc. via appropriate objects (a la NotebookPageInfo) */ #else IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl) @@ -338,15 +338,34 @@ bool wxListCtrl::Create(wxWindow *parent, // GetTextColour will always return black SetTextColour(GetDefaultAttributes().colFg); + if ( InReportView() ) + MSWSetExListStyles(); + + return true; +} + +void wxListCtrl::MSWSetExListStyles() +{ // for comctl32.dll v 4.70+ we want to have some non default extended // styles because it's prettier (and also because wxGTK does it like this) - if ( InReportView() && wxApp::GetComCtl32Version() >= 470 ) - { - ::SendMessage(GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE, - 0, LVS_EX_LABELTIP | LVS_EX_FULLROWSELECT | LVS_EX_SUBITEMIMAGES); + if ( wxApp::GetComCtl32Version() >= 470 ) + { + ::SendMessage + ( + GetHwnd(), LVM_SETEXTENDEDLISTVIEWSTYLE, 0, + // LVS_EX_LABELTIP shouldn't be used under Windows CE where it's + // not defined in the SDK headers +#ifdef LVS_EX_LABELTIP + LVS_EX_LABELTIP | +#endif + LVS_EX_FULLROWSELECT | + LVS_EX_SUBITEMIMAGES | + // normally this should be governed by a style as it's probably not + // always appropriate, but we don't have any free styles left and + // it seems better to enable it by default than disable + LVS_EX_HEADERDRAGDROP + ); } - - return true; } WXDWORD wxListCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const @@ -445,6 +464,11 @@ void wxListCtrl::UpdateStyle() if ( dwStyleOld != dwStyleNew ) { ::SetWindowLong(GetHwnd(), GWL_STYLE, dwStyleNew); + + // if we switched to the report view, set the extended styles for + // it too + if ( !(dwStyleOld & LVS_REPORT) && (dwStyleNew & LVS_REPORT) ) + MSWSetExListStyles(); } } } @@ -464,10 +488,8 @@ void wxListCtrl::FreeAllInternalData() } } -wxListCtrl::~wxListCtrl() +void wxListCtrl::DeleteEditControl() { - FreeAllInternalData(); - if ( m_textCtrl ) { m_textCtrl->UnsubclassWin(); @@ -475,6 +497,13 @@ wxListCtrl::~wxListCtrl() delete m_textCtrl; m_textCtrl = NULL; } +} + +wxListCtrl::~wxListCtrl() +{ + FreeAllInternalData(); + + DeleteEditControl(); if (m_ownsImageListNormal) delete m_imageListNormal; @@ -517,7 +546,7 @@ void wxListCtrl::SetWindowStyleFlag(long flag) { if ( flag != m_windowStyle ) { - m_windowStyle = flag; + wxControl::SetWindowStyleFlag(flag); UpdateStyle(); @@ -663,6 +692,68 @@ bool wxListCtrl::SetColumnWidth(int col, int width) return ListView_SetColumnWidth(GetHwnd(), col, width) != 0; } +// ---------------------------------------------------------------------------- +// columns order +// ---------------------------------------------------------------------------- + +int wxListCtrl::GetColumnOrder(int col) const +{ + const int numCols = GetColumnCount(); + wxCHECK_MSG( col >= 0 && col < numCols, -1, _T("Col index out of bounds") ); + + wxArrayInt indexArray(numCols); + + if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) ) + return -1; + + return indexArray[col]; +} + +int wxListCtrl::GetColumnIndexFromOrder(int order) const +{ + const int numCols = GetColumnCount(); + wxASSERT_MSG( order >= 0 && order < numCols, _T("Col order out of bounds") ); + + wxArrayInt indexArray(numCols); + + if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) ) + return -1; + + for ( int col = 0; col < numCols; col++ ) + { + if ( indexArray[col] == order ) + return col; + } + + wxFAIL_MSG( _T("no column with with given order?") ); + + return -1; +} + +// Gets the column order for all columns +wxArrayInt wxListCtrl::GetColumnsOrder() const +{ + const int numCols = GetColumnCount(); + + wxArrayInt orders(numCols); + if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &orders[0]) ) + orders.clear(); + + return orders; +} + +// Sets the column order for all columns +bool wxListCtrl::SetColumnsOrder(const wxArrayInt& orders) +{ + const int numCols = GetColumnCount(); + + wxCHECK_MSG( orders.size() == (size_t)numCols, false, + _T("wrong number of elements in column orders array") ); + + return ListView_SetColumnOrderArray(GetHwnd(), numCols, &orders[0]) != 0; +} + + // Gets the number of items that can fit vertically in the // visible area of the list control (list or report view) // or the total number of items in the list control (icon @@ -675,6 +766,25 @@ int wxListCtrl::GetCountPerPage() const // Gets the edit control for editing labels. wxTextCtrl* wxListCtrl::GetEditControl() const { + // first check corresponds to the case when the label editing was started + // by user and hence m_textCtrl wasn't created by EditLabel() at all, while + // the second case corresponds to us being called from inside EditLabel() + // (e.g. from a user wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT handler): in this + // case EditLabel() did create the control but it didn't have an HWND to + // initialize it with yet + if ( !m_textCtrl || !m_textCtrl->GetHWND() ) + { + HWND hwndEdit = ListView_GetEditControl(GetHwnd()); + if ( hwndEdit ) + { + wxListCtrl * const self = wx_const_cast(wxListCtrl *, this); + + if ( !m_textCtrl ) + self->m_textCtrl = new wxTextCtrl; + self->InitEditControl((WXHWND)hwndEdit); + } + } + return m_textCtrl; } @@ -852,14 +962,15 @@ bool wxListCtrl::SetItemState(long item, long state, long stateMask) wxConvertToMSWFlags(state, stateMask, lvItem); + const bool changingFocus = (stateMask & wxLIST_STATE_FOCUSED) && + (state & wxLIST_STATE_FOCUSED); + // 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) ) + if ( IsVirtual() && changingFocus ) { focusOld = GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_FOCUSED); } @@ -887,6 +998,16 @@ bool wxListCtrl::SetItemState(long item, long state, long stateMask) } } + // we expect the selection anchor, i.e. the item from which multiple + // selection (such as performed with e.g. Shift-arrows) starts, to be the + // same as the currently focused item but the native control doesn't update + // it when we change focus and leaves at the last item it set itself focus + // to, so do it explicitly + if ( changingFocus && !HasFlag(wxLC_SINGLE_SEL) ) + { + ListView_SetSelectionMark(GetHwnd(), item); + } + return true; } @@ -961,19 +1082,40 @@ bool wxListCtrl::SetItemPtrData(long item, wxUIntPtr data) wxRect wxListCtrl::GetViewRect() const { - wxASSERT_MSG( !HasFlag(wxLC_REPORT | wxLC_LIST), - _T("wxListCtrl::GetViewRect() only works in icon mode") ); + wxRect rect; - RECT rc; - if ( !ListView_GetViewRect(GetHwnd(), &rc) ) + // ListView_GetViewRect() can only be used in icon and small icon views + // (this is documented in MSDN and, indeed, it returns bogus results in + // report view, at least with comctl32.dll v6 under Windows 2003) + if ( HasFlag(wxLC_ICON | wxLC_SMALL_ICON) ) { - wxLogDebug(_T("ListView_GetViewRect() failed.")); + RECT rc; + if ( !ListView_GetViewRect(GetHwnd(), &rc) ) + { + wxLogDebug(_T("ListView_GetViewRect() failed.")); + + wxZeroMemory(rc); + } - wxZeroMemory(rc); + wxCopyRECTToRect(rc, rect); } + else if ( HasFlag(wxLC_REPORT) ) + { + const long count = GetItemCount(); + if ( count ) + { + GetItemRect(wxMin(GetTopItem() + GetCountPerPage(), count - 1), rect); - wxRect rect; - wxCopyRECTToRect(rc, rect); + // extend the rectangle to start at the top (we include the column + // headers, if any, for compatibility with the generic version) + rect.height += rect.y; + rect.y = 0; + } + } + else + { + wxFAIL_MSG( _T("not implemented in this mode") ); + } return rect; } @@ -999,7 +1141,12 @@ bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const */ bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) const { - RECT rectWin; + // ListView_GetSubItemRect() doesn't do subItem error checking and returns + // true even for the out of range values of it (even if the results are + // completely bogus in this case), so we check item validity ourselves + wxCHECK_MSG( subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM || + (subItem >= 0 && subItem < GetColumnCount()), + false, _T("invalid sub item index") ); int codeWin; if ( code == wxLIST_RECT_BOUNDS ) @@ -1014,27 +1161,26 @@ bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) codeWin = LVIR_BOUNDS; } - bool success; - if( subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM) - { - success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0; - } - else if( subItem >= 0) - { - success = ListView_GetSubItemRect( GetHwnd(), (int) item, (int) subItem, codeWin, &rectWin) != 0; - } - else + RECT rectWin; + if ( !ListView_GetSubItemRect + ( + GetHwnd(), + item, + subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM ? 0 : subItem, + codeWin, + &rectWin + ) ) { - wxFAIL_MSG( _T("incorrect subItem number in GetSubItemRect()") ); - return false; + return false; } - rect.x = rectWin.left; - rect.y = rectWin.top; - rect.width = rectWin.right - rectWin.left; - rect.height = rectWin.bottom - rectWin.top; + wxCopyRECTToRect(rectWin, rect); - return success; + // for the first sub item, i.e. the main item itself, the returned rect is + // the whole line one, we need to truncate it at first column ourselves + rect.width = GetColumnWidth(0); + + return true; } @@ -1353,38 +1499,49 @@ void wxListCtrl::ClearAll() DeleteAllColumns(); } +void wxListCtrl::InitEditControl(WXHWND hWnd) +{ + m_textCtrl->SetHWND(hWnd); + m_textCtrl->SubclassWin(hWnd); + m_textCtrl->SetParent(this); + + // we must disallow TABbing away from the control while the edit contol is + // shown because this leaves it in some strange state (just try removing + // this line and then pressing TAB while editing an item in listctrl + // inside a panel) + m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | wxTE_PROCESS_TAB); +} + wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass) { - wxASSERT( (textControlClass->IsKindOf(CLASSINFO(wxTextCtrl))) ); + wxCHECK_MSG( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)), NULL, + "control used for label editing must be a wxTextCtrl" ); // ListView_EditLabel requires that the list has focus. SetFocus(); + // create m_textCtrl here before calling ListView_EditLabel() because it + // generates wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT event from inside it and + // the user handler for it can call GetEditControl() resulting in an on + // demand creation of a stock wxTextCtrl instead of the control of a + // (possibly) custom wxClassInfo + DeleteEditControl(); + m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); + WXHWND hWnd = (WXHWND) ListView_EditLabel(GetHwnd(), item); if ( !hWnd ) { // failed to start editing - return NULL; - } - - // [re]create the text control wrapping the HWND we got - if ( m_textCtrl ) - { - m_textCtrl->UnsubclassWin(); - m_textCtrl->SetHWND(0); delete m_textCtrl; - } + m_textCtrl = NULL; - m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); - m_textCtrl->SetHWND(hWnd); - m_textCtrl->SubclassWin(hWnd); - m_textCtrl->SetParent(this); + return NULL; + } - // we must disallow TABbing away from the control while the edit contol is - // shown because this leaves it in some strange state (just try removing - // this line and then pressing TAB while editing an item in listctrl - // inside a panel) - m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() | wxTE_PROCESS_TAB); + // if GetEditControl() hasn't been called, we need to initialize the edit + // control ourselves + if ( !m_textCtrl->GetHWND() ) + InitEditControl(hWnd); return m_textCtrl; } @@ -1424,7 +1581,7 @@ long wxListCtrl::FindItem(long start, const wxString& str, bool partial) findInfo.flags = LVFI_STRING; if ( partial ) findInfo.flags |= LVFI_PARTIAL; - findInfo.psz = str; + findInfo.psz = str.wx_str(); // ListView_FindItem() excludes the first item from search and to look // through all the items you need to start from -1 which is unnatural and @@ -1735,22 +1892,20 @@ bool wxListCtrl::MSWShouldPreProcessMessage(WXMSG* msg) { if ( msg->message == WM_KEYDOWN ) { - if ( msg->wParam == VK_RETURN ) + // Only eat VK_RETURN if not being used by the application in + // conjunction with modifiers + if ( msg->wParam == VK_RETURN && !wxIsAnyModifierDown() ) { - // We need VK_RETURN to generate wxEVT_COMMAND_LIST_ITEM_ACTIVATED, - // but only if none of the modifiers is down. We'll let normal - // accelerators handle those. - if ( !wxIsCtrlDown() && !wxIsCtrlDown() && - !((HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN)) + // we need VK_RETURN to generate wxEVT_COMMAND_LIST_ITEM_ACTIVATED return false; } } - return wxControl::MSWShouldPreProcessMessage(msg); } -bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id) +bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id_) { + const int id = (signed short)id_; if (cmd == EN_UPDATE) { wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); @@ -1772,15 +1927,12 @@ bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id) // utility used by wxListCtrl::MSWOnNotify and by wxDataViewHeaderWindowMSW::MSWOnNotify int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick) { - wxASSERT(nmhdr && ptClick); - - // find the column clicked: we have to search for it - // ourselves as the notification message doesn't provide - // this info + // 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? #if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400 - if (nmhdr->code == GN_CONTEXTMENU) + if ( nmhdr->code == GN_CONTEXTMENU ) { *ptClick = ((NMRGINFO*)nmhdr)->ptAction; } @@ -1791,19 +1943,27 @@ int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick) wxLogLastError(_T("GetCursorPos")); } - if ( !::ScreenToClient(nmhdr->hwndFrom, ptClick) ) + // we need to use listctrl coordinates for the event point so this is what + // we return in ptClick, but for comparison with Header_GetItemRect() + // result below we need to use header window coordinates + POINT ptClickHeader = *ptClick; + if ( !::ScreenToClient(nmhdr->hwndFrom, &ptClickHeader) ) { - wxLogLastError(_T("ScreenToClient(header)")); + wxLogLastError(_T("ScreenToClient(listctrl header)")); } - int colCount = Header_GetItemCount(nmhdr->hwndFrom); + if ( !::ScreenToClient(::GetParent(nmhdr->hwndFrom), ptClick) ) + { + wxLogLastError(_T("ScreenToClient(listctrl)")); + } - RECT rect; + const int colCount = Header_GetItemCount(nmhdr->hwndFrom); for ( int col = 0; col < colCount; col++ ) { + RECT rect; if ( Header_GetItemRect(nmhdr->hwndFrom, col, &rect) ) { - if ( ::PtInRect(&rect, *ptClick) ) + if ( ::PtInRect(&rect, ptClickHeader) ) { return col; } @@ -1993,16 +2153,9 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) const LV_ITEM& lvi = (LV_ITEM)item; if ( !lvi.pszText || lvi.iItem == -1 ) { - // don't keep a stale wxTextCtrl around - if ( m_textCtrl ) - { - // EDIT control will be deleted by the list control itself so - // prevent us from deleting it as well - m_textCtrl->UnsubclassWin(); - m_textCtrl->SetHWND(0); - delete m_textCtrl; - m_textCtrl = NULL; - } + // EDIT control will be deleted by the list control + // itself so prevent us from deleting it as well + DeleteEditControl(); event.SetEditCanceled(true); } @@ -2077,7 +2230,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // focus event from here and the selection one // below event.SetEventType(eventType); - (void)GetEventHandler()->ProcessEvent(event); + (void)HandleWindowEvent(event); } else // no focus event to send { @@ -2111,11 +2264,11 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) 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) + // not with any modifiers as they have a predefined meaning + // then) if ( lItem != -1 && (wVKey == VK_RETURN || wVKey == VK_SPACE) && - !(wxIsShiftDown() || wxIsCtrlDown()) ) + !wxIsAnyModifierDown() ) { eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED; } @@ -2349,7 +2502,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.SetEventType(eventType); - bool processed = GetEventHandler()->ProcessEvent(event); + bool processed = HandleWindowEvent(event); // post processing // --------------- @@ -2375,16 +2528,9 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // logic here is inverted compared to all the other messages *result = event.IsAllowed(); - // don't keep a stale wxTextCtrl around - if ( m_textCtrl ) - { - // EDIT control will be deleted by the list control itself so - // prevent us from deleting it as well - m_textCtrl->UnsubclassWin(); - m_textCtrl->SetHWND(0); - delete m_textCtrl; - m_textCtrl = NULL; - } + // EDIT control will be deleted by the list control itself so + // prevent us from deleting it as well + DeleteEditControl(); return true; } @@ -2560,7 +2706,7 @@ static void HandleItemPaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont) // same thing for CDIS_FOCUS (except simpler as there is only one of them) if ( ::GetFocus() == hwndList && - ListView_GetNextItem(hwndList, (WPARAM)-1, LVNI_FOCUSED) == item ) + ListView_GetNextItem(hwndList, -1, LVNI_FOCUSED) == item ) { nmcd.uItemState |= CDIS_FOCUS; } @@ -2701,7 +2847,7 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) // Reset the device origin since it may have been set dc.SetDeviceOrigin(0, 0); - wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID); + wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT)); dc.SetPen(pen); dc.SetBrush(* wxTRANSPARENT_BRUSH); @@ -2749,14 +2895,24 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) dc.SetPen(pen); dc.SetBrush(*wxTRANSPARENT_BRUSH); + + int numCols = GetColumnCount(); + int* indexArray = new int[numCols]; + if ( !ListView_GetColumnOrderArray( GetHwnd(), numCols, indexArray) ) + { + wxFAIL_MSG( _T("invalid column index array in OnPaint()") ); + } + int x = itemRect.GetX(); - for (int col = 0; col < GetColumnCount(); col++) + for (int col = 0; col < numCols; col++) { - int colWidth = GetColumnWidth(col); + int colWidth = GetColumnWidth(indexArray[col]); x += colWidth ; dc.DrawLine(x-1, firstItemRect.GetY() - gap, x-1, itemRect.GetBottom()); } + + delete indexArray; } } } @@ -2847,30 +3003,12 @@ 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 + RefreshItems(item, item); } void wxListCtrl::RefreshItems(long itemFrom, long itemTo) { - wxRect rect1, rect2; - GetItemRect(itemFrom, rect1); - GetItemRect(itemTo, rect2); - - wxRect rect = rect1; - rect.height = rect2.GetBottom() - rect1.GetTop(); - - RefreshRect(rect); + ListView_RedrawItems(GetHwnd(), itemFrom, itemTo); } // ----------------------------------------------------------------------------