X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e974c5d258bbb398b0eed38397749d1d071dbbf8..15cac64f7564d48c274c6490774a77bd8c09f808:/src/msw/listctrl.cpp diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index d8a3184294..f05ea49fb8 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -39,6 +39,7 @@ #endif #include "wx/imaglist.h" +#include "wx/vector.h" #include "wx/msw/private.h" @@ -82,6 +83,33 @@ static void wxConvertToMSWListCol(HWND hwndList, const wxListItem& item, LV_COLUMN& lvCol); +namespace +{ + +// replacement for ListView_GetSubItemRect() which provokes warnings like +// "the address of 'rc' will always evaluate as 'true'" when used with mingw32 +// 4.3+ +// +// this function does no error checking on item and subitem parameters, notice +// that subitem 0 means the whole item so there is no way to retrieve the +// rectangle of the first subitem using this function, in particular notice +// that the index is *not* 1-based, in spite of what MSDN says +inline bool +wxGetListCtrlSubItemRect(HWND hwnd, int item, int subitem, int flags, RECT& rect) +{ + rect.top = subitem; + rect.left = flags; + return ::SendMessage(hwnd, LVM_GETSUBITEMRECT, item, (LPARAM)&rect) != 0; +} + +inline bool +wxGetListCtrlItemRect(HWND hwnd, int item, int flags, RECT& rect) +{ + return wxGetListCtrlSubItemRect(hwnd, item, 0, flags, rect); +} + +} // anonymous namespace + // ---------------------------------------------------------------------------- // private helper classes // ---------------------------------------------------------------------------- @@ -696,33 +724,32 @@ bool wxListCtrl::SetColumnWidth(int col, int width) // columns order // ---------------------------------------------------------------------------- -int wxListCtrl::GetColumnOrder(int col) const +int wxListCtrl::GetColumnIndexFromOrder(int order) const { const int numCols = GetColumnCount(); - wxCHECK_MSG( col >= 0 && col < numCols, -1, _T("Col index out of bounds") ); + wxCHECK_MSG( order >= 0 && order < numCols, -1, + _T("Column position out of bounds") ); wxArrayInt indexArray(numCols); - if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) ) return -1; - return indexArray[col]; + return indexArray[order]; } -int wxListCtrl::GetColumnIndexFromOrder(int order) const +int wxListCtrl::GetColumnOrder(int col) const { const int numCols = GetColumnCount(); - wxASSERT_MSG( order >= 0 && order < numCols, _T("Col order out of bounds") ); + wxASSERT_MSG( col >= 0 && col < numCols, _T("Column index out of bounds") ); wxArrayInt indexArray(numCols); - if ( !ListView_GetColumnOrderArray(GetHwnd(), numCols, &indexArray[0]) ) return -1; - for ( int col = 0; col < numCols; col++ ) + for ( int pos = 0; pos < numCols; pos++ ) { - if ( indexArray[col] == order ) - return col; + if ( indexArray[pos] == col ) + return pos; } wxFAIL_MSG( _T("no column with with given order?") ); @@ -777,7 +804,7 @@ wxTextCtrl* wxListCtrl::GetEditControl() const HWND hwndEdit = ListView_GetEditControl(GetHwnd()); if ( hwndEdit ) { - wxListCtrl * const self = wx_const_cast(wxListCtrl *, this); + wxListCtrl * const self = const_cast(this); if ( !m_textCtrl ) self->m_textCtrl = new wxTextCtrl; @@ -1126,19 +1153,6 @@ bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const return GetSubItemRect( item, wxLIST_GETSUBITEMRECT_WHOLEITEM, rect, code) ; } -/*! - * Retrieve coordinates and size of a specified subitem of a listview control. - * This function only works if the listview control is in the report mode. - * - * @param item : Item number - * @param subItem : Subitem or column number, use -1 for the whole row including - * all columns or subitems - * @param rect : A pointer to an allocated wxRect object - * @param code : Specify the part of the subitem coordinates you need. Choices are - * wxLIST_RECT_BOUNDS, wxLIST_RECT_ICON, wxLIST_RECT_LABEL - * - * @return bool : True if successful. - */ bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) const { // ListView_GetSubItemRect() doesn't do subItem error checking and returns @@ -1148,6 +1162,10 @@ bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) (subItem >= 0 && subItem < GetColumnCount()), false, _T("invalid sub item index") ); + // use wxCHECK_MSG against "item" too, for coherency with the generic implementation: + wxCHECK_MSG( item >= 0 && item < GetItemCount(), false, + _T("invalid item in GetSubItemRect") ); + int codeWin; if ( code == wxLIST_RECT_BOUNDS ) codeWin = LVIR_BOUNDS; @@ -1162,13 +1180,13 @@ bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) } RECT rectWin; - if ( !ListView_GetSubItemRect + if ( !wxGetListCtrlSubItemRect ( GetHwnd(), item, subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM ? 0 : subItem, codeWin, - &rectWin + rectWin ) ) { return false; @@ -1176,9 +1194,11 @@ bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) wxCopyRECTToRect(rectWin, rect); - // 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); + // there is no way to retrieve the first sub item bounding rectangle using + // wxGetListCtrlSubItemRect() as 0 means the whole item, so we need to + // truncate it at first column ourselves + if ( subItem == 0 ) + rect.width = GetColumnWidth(0); return true; } @@ -2461,7 +2481,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) if ( lvi.mask & LVIF_TEXT ) { wxString text = OnGetItemText(item, lvi.iSubItem); - wxStrncpy(lvi.pszText, text, lvi.cchTextMax); + wxStrlcpy(lvi.pszText, text.c_str(), lvi.cchTextMax); } // see comment at the end of wxListCtrl::GetColumn() @@ -2551,10 +2571,10 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) static RECT GetCustomDrawnItemRect(const NMCUSTOMDRAW& nmcd) { RECT rc; - ListView_GetItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, &rc, LVIR_BOUNDS); + wxGetListCtrlItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, LVIR_BOUNDS, rc); RECT rcIcon; - ListView_GetItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, &rcIcon, LVIR_ICON); + wxGetListCtrlItemRect(nmcd.hdr.hwndFrom, nmcd.dwItemSpec, LVIR_ICON, rcIcon); // exclude the icon part, neither the selection background nor focus rect // should cover it @@ -2577,22 +2597,10 @@ bool HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont, int colCount) SelectInHDC selFont(hdc, hfont); // get the rectangle to paint + int subitem = colCount ? col + 1 : col; RECT rc; - ListView_GetSubItemRect(hwndList, item, col, LVIR_BOUNDS, &rc); - if ( !col && colCount > 1 ) - { - // broken ListView_GetSubItemRect() returns the entire item rect for - // 0th subitem while we really need just the part for this column - RECT rc2; - ListView_GetSubItemRect(hwndList, item, 1, LVIR_BOUNDS, &rc2); - - rc.right = rc2.left; - rc.left += 4; - } - else // not first subitem - { - rc.left += 6; - } + wxGetListCtrlSubItemRect(hwndList, item, subitem, LVIR_BOUNDS, rc); + rc.left += 6; // get the image and text to draw wxChar text[512]; @@ -2706,7 +2714,7 @@ 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; } @@ -2831,10 +2839,10 @@ WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) // Necessary for drawing hrules and vrules, if specified void wxListCtrl::OnPaint(wxPaintEvent& event) { - bool drawHRules = HasFlag(wxLC_HRULES); - bool drawVRules = HasFlag(wxLC_VRULES); + const bool drawHRules = HasFlag(wxLC_HRULES); + const bool drawVRules = HasFlag(wxLC_VRULES); - if (!InReportView() || !drawHRules && !drawVRules) + if (!InReportView() || !(drawHRules || drawVRules)) { event.Skip(); return; @@ -2896,11 +2904,14 @@ 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) ) + const int numCols = GetColumnCount(); + wxVector indexArray(numCols); + if ( !ListView_GetColumnOrderArray(GetHwnd(), + numCols, + &indexArray[0]) ) { wxFAIL_MSG( _T("invalid column index array in OnPaint()") ); + return; } int x = itemRect.GetX(); @@ -2911,8 +2922,6 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) dc.DrawLine(x-1, firstItemRect.GetY() - gap, x-1, itemRect.GetBottom()); } - - delete indexArray; } } }