X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/98ec9dbebc5584ba1b903d314b25e8c562891483..d7926e0b761b782b82f9ef01ff542251b2ef5ae7:/src/msw/listctrl.cpp?ds=sidebyside diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index 191b98c91a..59abe4c9c5 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -64,12 +64,25 @@ #define LVS_EX_FULLROWSELECT 0x00000020 #endif +#ifndef LVS_OWNERDATA + #define LVS_OWNERDATA 0x1000 +#endif + // ---------------------------------------------------------------------------- // private functions // ---------------------------------------------------------------------------- -static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem); -static void wxConvertFromMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& tvItem, HWND getFullInfo = 0); +// convert our state and mask flags to LV_ITEM constants +static void wxConvertToMSWFlags(long state, long mask, LV_ITEM& lvItem); + +// convert wxListItem to LV_ITEM +static void wxConvertToMSWListItem(const wxListCtrl *ctrl, + const wxListItem& info, LV_ITEM& lvItem); + +// convert LV_ITEM to wxListItem +static void wxConvertFromMSWListItem(HWND hwndListCtrl, + wxListItem& info, + /* const */ LV_ITEM& lvItem); // ---------------------------------------------------------------------------- // events @@ -91,6 +104,7 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_COL_CLICK) 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_CACHE_HINT) IMPLEMENT_DYNAMIC_CLASS(wxListCtrl, wxControl) IMPLEMENT_DYNAMIC_CLASS(wxListItem, wxObject) @@ -301,8 +315,8 @@ wxListCtrl::~wxListCtrl() if ( m_textCtrl ) { - m_textCtrl->UnsubclassWin(); m_textCtrl->SetHWND(0); + m_textCtrl->UnsubclassWin(); delete m_textCtrl; m_textCtrl = NULL; } @@ -452,6 +466,16 @@ long wxListCtrl::ConvertToMSWStyle(long& oldStyle, long style) const if ( style & wxLC_VIRTUAL ) { + int ver = wxTheApp->GetComCtl32Version(); + if ( ver < 470 ) + { + wxLogWarning(_("Please install a newer version of comctl32.dll\n" + "(at least version 4.70 is required but you have " + "%d.%02d)\n" + "or this program won't operate correctly."), + ver / 100, ver % 100); + } + wstyle |= LVS_OWNERDATA; } @@ -646,7 +670,8 @@ bool wxListCtrl::GetItem(wxListItem& info) const } else { - wxConvertFromMSWListItem(this, info, lvItem); + // give NULL as hwnd as we already have everything we need + wxConvertFromMSWListItem(NULL, info, lvItem); } if (lvItem.pszText) @@ -731,14 +756,22 @@ int wxListCtrl::GetItemState(long item, long stateMask) const // Sets the item state bool wxListCtrl::SetItemState(long item, long state, long stateMask) { - wxListItem info; + // NB: don't use SetItem() here as it doesn't work with the virtual list + // controls + LV_ITEM lvItem; + wxZeroMemory(lvItem); - info.m_mask = wxLIST_MASK_STATE; - info.m_state = state; - info.m_stateMask = stateMask; - info.m_itemId = item; + wxConvertToMSWFlags(state, stateMask, lvItem); - return SetItem(info); + if ( !::SendMessage(GetHwnd(), LVM_SETITEMSTATE, + (WPARAM)item, (LPARAM)&lvItem) ) + { + wxLogLastError(_T("ListView_SetItemState")); + + return FALSE; + } + + return TRUE; } // Sets the item image @@ -1058,8 +1091,8 @@ wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass) if (m_textCtrl) { - m_textCtrl->UnsubclassWin(); m_textCtrl->SetHWND(0); + m_textCtrl->UnsubclassWin(); delete m_textCtrl; m_textCtrl = NULL; } @@ -1074,29 +1107,15 @@ wxTextCtrl* wxListCtrl::EditLabel(long item, wxClassInfo* textControlClass) // End label editing, optionally cancelling the edit bool wxListCtrl::EndEditLabel(bool WXUNUSED(cancel)) { - wxFAIL; - - /* I don't know how to implement this: there's no such macro as ListView_EndEditLabelNow. - * ??? - bool success = (ListView_EndEditLabelNow(GetHwnd(), cancel) != 0); - - if (m_textCtrl) - { - m_textCtrl->UnsubclassWin(); - m_textCtrl->SetHWND(0); - delete m_textCtrl; - m_textCtrl = NULL; - } - return success; - */ + wxFAIL_MSG( _T("not implemented") ); + return FALSE; } - // Ensures this item is visible bool wxListCtrl::EnsureVisible(long item) { - return (ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0); + return ListView_EnsureVisible(GetHwnd(), (int) item, FALSE) != 0; } // Find an item whose label matches this string, starting from the item after 'start' @@ -1407,7 +1426,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd()); + wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); + event.m_itemIndex = event.m_item.m_itemId; } break; @@ -1439,9 +1459,11 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(this, event.m_item, info->item); + 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; @@ -1449,7 +1471,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { eventType = wxEVT_COMMAND_LIST_SET_INFO; LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(this, event.m_item, info->item, GetHwnd()); + wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); } break; @@ -1495,7 +1517,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) !(wxIsShiftDown() || wxIsCtrlDown()) ) { eventType = wxEVT_COMMAND_LIST_ITEM_ACTIVATED; - event.m_itemIndex = lItem; } else { @@ -1503,6 +1524,9 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_code = wxCharCodeMSWToWX(wVKey); } + event.m_itemIndex = + event.m_item.m_itemId = lItem; + if ( lItem != -1 ) { // fill the other fields too @@ -1587,86 +1611,34 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) #if defined(_WIN32_IE) && _WIN32_IE >= 0x300 case NM_CUSTOMDRAW: + *result = OnCustomDraw(lParam); + + return TRUE; +#endif // _WIN32_IE >= 0x300 + + case LVN_ODCACHEHINT: { - LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam; - NMCUSTOMDRAW& nmcd = lplvcd->nmcd; - switch( nmcd.dwDrawStage ) + 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 ) { - case CDDS_PREPAINT: - // if we've got any items with non standard attributes, - // notify us before painting each item - *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW - : CDRF_DODEFAULT; - return TRUE; - - case CDDS_ITEMPREPAINT: - { - wxListItemAttr *attr = - (wxListItemAttr *)m_attrs.Get(nmcd.dwItemSpec); - - if ( !attr ) - { - // nothing to do for this item - return CDRF_DODEFAULT; - } - - HFONT hFont; - wxColour colText, colBack; - if ( attr->HasFont() ) - { - wxFont font = attr->GetFont(); - hFont = (HFONT)font.GetResourceHandle(); - } - else - { - hFont = 0; - } - - if ( attr->HasTextColour() ) - { - colText = attr->GetTextColour(); - } - else - { - colText = GetTextColour(); - } - - if ( attr->HasBackgroundColour() ) - { - colBack = attr->GetBackgroundColour(); - } - else - { - colBack = GetBackgroundColour(); - } - - // note that if we wanted to set colours for - // individual columns (subitems), we would have - // returned CDRF_NOTIFYSUBITEMREDRAW from here - if ( hFont ) - { - ::SelectObject(nmcd.hdc, hFont); - - *result = CDRF_NEWFONT; - } - else - { - *result = CDRF_DODEFAULT; - } - - lplvcd->clrText = wxColourToRGB(colText); - lplvcd->clrTextBk = wxColourToRGB(colBack); - - return TRUE; - } - - default: - *result = CDRF_DODEFAULT; - return TRUE; + event.m_oldItemIndex = cacheHint->iFrom; + + long iMax = GetItemCount(); + event.m_itemIndex = cacheHint->iTo < iMax ? cacheHint->iTo + : iMax - 1; + } + else + { + return FALSE; } } -// break; // can never be reached -#endif // _WIN32_IE >= 0x300 + break; case LVN_GETDISPINFO: if ( IsVirtual() ) @@ -1723,10 +1695,10 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return TRUE; case LVN_ENDLABELEDIT: - { - *result = event.IsAllowed(); - return TRUE; - } + // logic here is inversed compared to all the other messages + *result = event.IsAllowed(); + + return TRUE; } *result = !event.IsAllowed(); @@ -1734,6 +1706,96 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return TRUE; } +#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 + +WXLPARAM wxListCtrl::OnCustomDraw(WXLPARAM lParam) +{ + LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)lParam; + NMCUSTOMDRAW& nmcd = lplvcd->nmcd; + switch ( nmcd.dwDrawStage ) + { + case CDDS_PREPAINT: + // if we've got any items with non standard attributes, + // notify us before painting each item + // + // for virtual controls, always suppose that we have attributes as + // there is no way to check for this + return IsVirtual() || m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW + : CDRF_DODEFAULT; + + case CDDS_ITEMPREPAINT: + { + size_t item = (size_t)nmcd.dwItemSpec; + if ( item >= (size_t)GetItemCount() ) + { + // we get this message with item == 0 for an empty control, + // we must ignore it as calling OnGetItemAttr() would be + // wrong + return CDRF_DODEFAULT; + } + + wxListItemAttr *attr = + IsVirtual() ? OnGetItemAttr(item) + : (wxListItemAttr *)m_attrs.Get(item); + + if ( !attr ) + { + // nothing to do for this item + return CDRF_DODEFAULT; + } + + HFONT hFont; + wxColour colText, colBack; + if ( attr->HasFont() ) + { + wxFont font = attr->GetFont(); + hFont = (HFONT)font.GetResourceHandle(); + } + else + { + hFont = 0; + } + + if ( attr->HasTextColour() ) + { + colText = attr->GetTextColour(); + } + else + { + colText = GetTextColour(); + } + + if ( attr->HasBackgroundColour() ) + { + colBack = attr->GetBackgroundColour(); + } + else + { + colBack = GetBackgroundColour(); + } + + lplvcd->clrText = wxColourToRGB(colText); + lplvcd->clrTextBk = wxColourToRGB(colBack); + + // note that if we wanted to set colours for + // individual columns (subitems), we would have + // returned CDRF_NOTIFYSUBITEMREDRAW from here + if ( hFont ) + { + ::SelectObject(nmcd.hdc, hFont); + + return CDRF_NEWFONT; + } + } + // fall through to return CDRF_DODEFAULT + + default: + return CDRF_DODEFAULT; + } +} + +#endif // NM_CUSTOMDRAW supported + // Necessary for drawing hrules and vrules, if specified void wxListCtrl::OnPaint(wxPaintEvent& event) { @@ -1820,6 +1882,15 @@ int wxListCtrl::OnGetItemImage(long item) const return -1; } +wxListItemAttr *wxListCtrl::OnGetItemAttr(long item) const +{ + wxASSERT_MSG( item >= 0 && item < GetItemCount(), + _T("invalid item index in OnGetItemAttr()") ); + + // no attributes by default + return NULL; +} + void wxListCtrl::SetItemCount(long count) { wxASSERT_MSG( IsVirtual(), _T("this is for virtual controls only") ); @@ -1830,6 +1901,22 @@ void wxListCtrl::SetItemCount(long count) } } +void wxListCtrl::RefreshItem(long item) +{ + if ( !ListView_Update(GetHwnd(), item) ) + { + wxLogLastError(_T("ListView_Update")); + } +} + +void wxListCtrl::RefreshItems(long itemFrom, long itemTo) +{ + for ( long item = itemFrom; item <= itemTo; item++ ) + { + RefreshItem(item); + } +} + // ---------------------------------------------------------------------------- // wxListItem // ---------------------------------------------------------------------------- @@ -1874,7 +1961,9 @@ void wxListItem::ClearAttributes() m_attr = NULL; } -static void wxConvertFromMSWListItem(const wxListCtrl *WXUNUSED(ctrl), wxListItem& info, LV_ITEM& lvItem, HWND getFullInfo) +static void wxConvertFromMSWListItem(HWND hwndListCtrl, + wxListItem& info, + LV_ITEM& lvItem) { info.m_data = lvItem.lParam; info.m_mask = 0; @@ -1885,7 +1974,7 @@ static void wxConvertFromMSWListItem(const wxListCtrl *WXUNUSED(ctrl), wxListIte long oldMask = lvItem.mask; bool needText = FALSE; - if (getFullInfo != 0) + if (hwndListCtrl != 0) { if ( lvItem.mask & LVIF_TEXT ) needText = FALSE; @@ -1897,9 +1986,8 @@ static void wxConvertFromMSWListItem(const wxListCtrl *WXUNUSED(ctrl), wxListIte lvItem.pszText = new wxChar[513]; lvItem.cchTextMax = 512; } - // lvItem.mask |= TVIF_HANDLE | TVIF_STATE | TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM; lvItem.mask |= LVIF_TEXT | LVIF_IMAGE | LVIF_PARAM; - ::SendMessage(getFullInfo, LVM_GETITEM, 0, (LPARAM)& lvItem); + ::SendMessage(hwndListCtrl, LVM_GETITEM, 0, (LPARAM)& lvItem); } if ( lvItem.mask & LVIF_STATE ) @@ -1956,7 +2044,37 @@ static void wxConvertFromMSWListItem(const wxListCtrl *WXUNUSED(ctrl), wxListIte lvItem.mask = oldMask; } -static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ITEM& lvItem) +static void wxConvertToMSWFlags(long state, long stateMask, LV_ITEM& lvItem) +{ + if (stateMask & wxLIST_STATE_CUT) + { + lvItem.stateMask |= LVIS_CUT; + if (state & wxLIST_STATE_CUT) + lvItem.state |= LVIS_CUT; + } + if (stateMask & wxLIST_STATE_DROPHILITED) + { + lvItem.stateMask |= LVIS_DROPHILITED; + if (state & wxLIST_STATE_DROPHILITED) + lvItem.state |= LVIS_DROPHILITED; + } + if (stateMask & wxLIST_STATE_FOCUSED) + { + lvItem.stateMask |= LVIS_FOCUSED; + if (state & wxLIST_STATE_FOCUSED) + lvItem.state |= LVIS_FOCUSED; + } + if (stateMask & wxLIST_STATE_SELECTED) + { + lvItem.stateMask |= LVIS_SELECTED; + if (state & wxLIST_STATE_SELECTED) + lvItem.state |= LVIS_SELECTED; + } +} + +static void wxConvertToMSWListItem(const wxListCtrl *ctrl, + const wxListItem& info, + LV_ITEM& lvItem) { lvItem.iItem = (int) info.m_itemId; @@ -1970,30 +2088,8 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, wxListItem& info, LV_ if (info.m_mask & wxLIST_MASK_STATE) { lvItem.mask |= LVIF_STATE; - if (info.m_stateMask & wxLIST_STATE_CUT) - { - lvItem.stateMask |= LVIS_CUT; - if (info.m_state & wxLIST_STATE_CUT) - lvItem.state |= LVIS_CUT; - } - if (info.m_stateMask & wxLIST_STATE_DROPHILITED) - { - lvItem.stateMask |= LVIS_DROPHILITED; - if (info.m_state & wxLIST_STATE_DROPHILITED) - lvItem.state |= LVIS_DROPHILITED; - } - if (info.m_stateMask & wxLIST_STATE_FOCUSED) - { - lvItem.stateMask |= LVIS_FOCUSED; - if (info.m_state & wxLIST_STATE_FOCUSED) - lvItem.state |= LVIS_FOCUSED; - } - if (info.m_stateMask & wxLIST_STATE_SELECTED) - { - lvItem.stateMask |= LVIS_SELECTED; - if (info.m_state & wxLIST_STATE_SELECTED) - lvItem.state |= LVIS_SELECTED; - } + + wxConvertToMSWFlags(info.m_state, info.m_stateMask, lvItem); } if (info.m_mask & wxLIST_MASK_TEXT)