X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5cce8340b28be2eecea1822434eeff7055840f9c..763163a80ae0d5a0684633e72f928302578c1214:/src/msw/listctrl.cpp?ds=sidebyside diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index 14aa00809e..9e23d1db3f 100644 --- a/src/msw/listctrl.cpp +++ b/src/msw/listctrl.cpp @@ -2,7 +2,7 @@ // Name: src/msw/listctrl.cpp // Purpose: wxListCtrl // Author: Julian Smart -// Modified by: +// Modified by: Agron Selimaj // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart @@ -26,17 +26,20 @@ #if wxUSE_LISTCTRL +#include "wx/listctrl.h" + #ifndef WX_PRECOMP + #include "wx/msw/wrapcctl.h" // include "properly" #include "wx/app.h" #include "wx/intl.h" #include "wx/log.h" #include "wx/settings.h" + #include "wx/dcclient.h" + #include "wx/textctrl.h" #endif -#include "wx/textctrl.h" #include "wx/imaglist.h" -#include "wx/listctrl.h" -#include "wx/dcclient.h" +#include "wx/vector.h" #include "wx/msw/private.h" @@ -48,9 +51,6 @@ #endif #endif -// include "properly" -#include "wx/msw/wrapcctl.h" - // Currently gcc and watcom don't define NMLVFINDITEM, and DMC only defines // it by its old name NM_FINDTIEM. // @@ -83,6 +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 // ---------------------------------------------------------------------------- @@ -206,7 +233,7 @@ public: { if (attr) delete attr; - }; + } DECLARE_NO_COPY_CLASS(wxListItemInternalData) }; @@ -218,35 +245,6 @@ static wxListItemAttr *wxGetInternalDataAttr(const wxListCtrl *ctl, long itemId) static void wxDeleteInternalData(wxListCtrl* ctl, long itemId); -// ---------------------------------------------------------------------------- -// events -// ---------------------------------------------------------------------------- - -DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_DRAG) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_RDRAG) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_END_LABEL_EDIT) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ITEM) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_DELETE_ALL_ITEMS) -#if WXWIN_COMPATIBILITY_2_4 -DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_GET_INFO) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_SET_INFO) -#endif -DEFINE_EVENT_TYPE(wxEVT_COMMAND_LIST_ITEM_SELECTED) -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) - #if wxUSE_EXTENDED_RTTI WX_DEFINE_FLAGS( wxListCtrlStyle ) @@ -309,7 +307,7 @@ 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) @@ -368,15 +366,34 @@ 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 @@ -475,6 +492,11 @@ 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(); } } } @@ -494,10 +516,8 @@ void wxListCtrl::FreeAllInternalData() } } -wxListCtrl::~wxListCtrl() +void wxListCtrl::DeleteEditControl() { - FreeAllInternalData(); - if ( m_textCtrl ) { m_textCtrl->UnsubclassWin(); @@ -505,6 +525,13 @@ wxListCtrl::~wxListCtrl() delete m_textCtrl; m_textCtrl = NULL; } +} + +wxListCtrl::~wxListCtrl() +{ + FreeAllInternalData(); + + DeleteEditControl(); if (m_ownsImageListNormal) delete m_imageListNormal; @@ -547,7 +574,7 @@ void wxListCtrl::SetWindowStyleFlag(long flag) { if ( flag != m_windowStyle ) { - m_windowStyle = flag; + wxControl::SetWindowStyleFlag(flag); UpdateStyle(); @@ -693,6 +720,67 @@ bool wxListCtrl::SetColumnWidth(int col, int width) return ListView_SetColumnWidth(GetHwnd(), col, width) != 0; } +// ---------------------------------------------------------------------------- +// columns order +// ---------------------------------------------------------------------------- + +int wxListCtrl::GetColumnIndexFromOrder(int order) const +{ + const int numCols = GetColumnCount(); + 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[order]; +} + +int wxListCtrl::GetColumnOrder(int col) const +{ + const int numCols = GetColumnCount(); + 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 pos = 0; pos < numCols; pos++ ) + { + if ( indexArray[pos] == col ) + return pos; + } + + 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 @@ -705,6 +793,25 @@ 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 = const_cast(this); + + if ( !m_textCtrl ) + self->m_textCtrl = new wxTextCtrl; + self->InitEditControl((WXHWND)hwndEdit); + } + } + return m_textCtrl; } @@ -761,6 +868,10 @@ bool wxListCtrl::GetItem(wxListItem& info) const // Sets information about the item bool wxListCtrl::SetItem(wxListItem& info) { + const long id = info.GetId(); + wxCHECK_MSG( id >= 0 && id < GetItemCount(), false, + _T("invalid item index in SetItem") ); + LV_ITEM item; wxConvertToMSWListItem(this, info, item); @@ -773,7 +884,7 @@ bool wxListCtrl::SetItem(wxListItem& info) { // get internal item data // perhaps a cache here ? - wxListItemInternalData *data = wxGetInternalData(this, info.m_itemId); + wxListItemInternalData *data = wxGetInternalData(this, id); if (! data) { @@ -878,14 +989,15 @@ 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); } @@ -913,17 +1025,34 @@ 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; } // Sets the item image bool wxListCtrl::SetItemImage(long item, int image, int WXUNUSED(selImage)) +{ + return SetItemColumnImage(item, 0, image); +} + +// Sets the item image +bool wxListCtrl::SetItemColumnImage(long item, long column, int image) { wxListItem info; info.m_mask = wxLIST_MASK_IMAGE; info.m_image = image; info.m_itemId = item; + info.m_col = column; return SetItem(info); } @@ -967,7 +1096,7 @@ wxUIntPtr wxListCtrl::GetItemData(long item) const } // Sets the item data -bool wxListCtrl::SetItemData(long item, long data) +bool wxListCtrl::SetItemPtrData(long item, wxUIntPtr data) { wxListItem info; @@ -980,19 +1109,40 @@ bool wxListCtrl::SetItemData(long item, long 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; } @@ -1000,7 +1150,17 @@ wxRect wxListCtrl::GetViewRect() const // Gets the item rectangle bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const { - RECT rectWin; + return GetSubItemRect( item, wxLIST_GETSUBITEMRECT_WHOLEITEM, rect, code) ; +} + +bool wxListCtrl::GetSubItemRect(long item, long subItem, wxRect& rect, int code) const +{ + // 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 ) @@ -1011,21 +1171,37 @@ bool wxListCtrl::GetItemRect(long item, wxRect& rect, int code) const codeWin = LVIR_LABEL; else { - wxFAIL_MSG( _T("incorrect code in GetItemRect()") ); - + wxFAIL_MSG( _T("incorrect code in GetItemRect() / GetSubItemRect()") ); codeWin = LVIR_BOUNDS; } - bool success = ListView_GetItemRect(GetHwnd(), (int) item, &rectWin, codeWin) != 0; + RECT rectWin; + if ( !wxGetListCtrlSubItemRect + ( + GetHwnd(), + item, + subItem == wxLIST_GETSUBITEMRECT_WHOLEITEM ? 0 : subItem, + codeWin, + rectWin + ) ) + { + 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; + // 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; } + + + // Gets the item position bool wxListCtrl::GetItemPosition(long item, wxPoint& pos) const { @@ -1056,11 +1232,15 @@ wxSize wxListCtrl::GetItemSpacing() const return wxSize(LOWORD(spacing), HIWORD(spacing)); } +#if WXWIN_COMPATIBILITY_2_6 + int wxListCtrl::GetItemSpacing(bool isSmall) const { return ListView_GetItemSpacing(GetHwnd(), (BOOL) isSmall); } +#endif // WXWIN_COMPATIBILITY_2_6 + void wxListCtrl::SetItemTextColour( long item, const wxColour &col ) { wxListItem info; @@ -1335,38 +1515,49 @@ 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; } @@ -1376,21 +1567,19 @@ bool wxListCtrl::EndEditLabel(bool cancel) { // m_textCtrl is not always ready, ie. in EVT_LIST_BEGIN_LABEL_EDIT HWND hwnd = ListView_GetEditControl(GetHwnd()); - bool b = (hwnd != NULL); - if (b) - { - if (cancel) - ::SetWindowText(hwnd, wxEmptyString); // dubious but better than nothing - if (m_textCtrl) - { - m_textCtrl->UnsubclassWin(); - m_textCtrl->SetHWND(0); - delete m_textCtrl; - m_textCtrl = NULL; - } - ::DestroyWindow(hwnd); - } - return b; + if ( !hwnd ) + return false; + + if ( cancel ) + ::SetWindowText(hwnd, wxEmptyString); // dubious but better than nothing + + // we shouldn't destroy the control ourselves according to MSDN, which + // proposes WM_CANCELMODE to do this, but it doesn't seem to work + // + // posting WM_CLOSE to it does seem to work without any side effects + ::PostMessage(hwnd, WM_CLOSE, 0, 0); + + return true; } // Ensures this item is visible @@ -1408,7 +1597,7 @@ 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 @@ -1463,13 +1652,25 @@ long wxListCtrl::FindItem(long start, const wxPoint& pt, int direction) // Determines which item (if any) is at the specified point, // giving details in 'flags' (see wxLIST_HITTEST_... flags above) -long wxListCtrl::HitTest(const wxPoint& point, int& flags) +long +wxListCtrl::HitTest(const wxPoint& point, int& flags, long *ptrSubItem) const { LV_HITTESTINFO hitTestInfo; hitTestInfo.pt.x = (int) point.x; hitTestInfo.pt.y = (int) point.y; - ListView_HitTest(GetHwnd(), & hitTestInfo); + long item; +#ifdef LVM_SUBITEMHITTEST + if ( ptrSubItem && wxApp::GetComCtl32Version() >= 470 ) + { + item = ListView_SubItemHitTest(GetHwnd(), &hitTestInfo); + *ptrSubItem = hitTestInfo.iSubItem; + } + else +#endif // LVM_SUBITEMHITTEST + { + item = ListView_HitTest(GetHwnd(), &hitTestInfo); + } flags = 0; @@ -1504,9 +1705,10 @@ long wxListCtrl::HitTest(const wxPoint& point, int& flags) flags |= wxLIST_HITTEST_ONITEMSTATEICON; } - return (long) hitTestInfo.iItem; + return item; } + // Inserts an item, returning the index of the new item if successful, // -1 otherwise. long wxListCtrl::InsertItem(const wxListItem& info) @@ -1702,8 +1904,24 @@ bool wxListCtrl::SortItems(wxListCtrlCompare fn, long data) // message processing // ---------------------------------------------------------------------------- -bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id) +bool wxListCtrl::MSWShouldPreProcessMessage(WXMSG* msg) { + if ( msg->message == WM_KEYDOWN ) + { + // 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 + return false; + } + } + return wxControl::MSWShouldPreProcessMessage(msg); +} + +bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id_) +{ + const int id = (signed short)id_; if (cmd == EN_UPDATE) { wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); @@ -1722,6 +1940,55 @@ bool wxListCtrl::MSWCommand(WXUINT cmd, WXWORD id) return false; } +// utility used by wxListCtrl::MSWOnNotify and by wxDataViewHeaderWindowMSW::MSWOnNotify +int WXDLLIMPEXP_CORE wxMSWGetColumnClicked(NMHDR *nmhdr, POINT *ptClick) +{ + // 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 ) + { + *ptClick = ((NMRGINFO*)nmhdr)->ptAction; + } + else +#endif //__WXWINCE__ + if ( !::GetCursorPos(ptClick) ) + { + wxLogLastError(_T("GetCursorPos")); + } + + // 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(listctrl header)")); + } + + if ( !::ScreenToClient(::GetParent(nmhdr->hwndFrom), ptClick) ) + { + wxLogLastError(_T("ScreenToClient(listctrl)")); + } + + 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, ptClickHeader) ) + { + return col; + } + } + } + + return wxNOT_FOUND; +} + bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { @@ -1789,47 +2056,12 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) #endif //__WXWINCE__ case NM_RCLICK: { - eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK; - event.m_col = -1; - - // 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? POINT ptClick; -#if defined(__WXWINCE__) && !defined(__HANDHELDPC__) && _WIN32_WCE < 400 - if(nmhdr->code == GN_CONTEXTMENU) { - ptClick = ((NMRGINFO*)nmhdr)->ptAction; - } else -#endif //__WXWINCE__ - if ( !::GetCursorPos(&ptClick) ) - { - wxLogLastError(_T("GetCursorPos")); - } - - if ( !::ScreenToClient(GetHwnd(), &ptClick) ) - { - wxLogLastError(_T("ScreenToClient(listctrl header)")); - } + eventType = wxEVT_COMMAND_LIST_COL_RIGHT_CLICK; + event.m_col = wxMSWGetColumnClicked(nmhdr, &ptClick); event.m_pointDrag.x = ptClick.x; event.m_pointDrag.y = ptClick.y; - - 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; @@ -1839,7 +2071,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // parameters // // I have no idea what is the real cause of the bug (which is, - // just to make things interesting, is impossible to reproduce + // just to make things interesting, impossible to reproduce // reliably) but ignoring all these messages does fix it and // doesn't seem to have any negative consequences return true; @@ -1850,7 +2082,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } else #endif // defined(HDN_BEGINTRACKA) - if ( nmhdr->hwndFrom == GetHwnd() ) + if ( nmhdr->hwndFrom == GetHwnd() ) { // almost all messages use NM_LISTVIEW NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr; @@ -1937,16 +2169,9 @@ 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); } @@ -1982,16 +2207,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) wxDeleteInternalData(this, iItem); break; -#if WXWIN_COMPATIBILITY_2_4 - case LVN_SETDISPINFO: - { - eventType = wxEVT_COMMAND_LIST_SET_INFO; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); - } - break; -#endif - case LVN_INSERTITEM: eventType = wxEVT_COMMAND_LIST_INSERT_ITEM; event.m_itemIndex = iItem; @@ -2031,7 +2246,7 @@ 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 { @@ -2065,11 +2280,11 @@ 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; } @@ -2262,7 +2477,7 @@ 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() @@ -2273,10 +2488,13 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } #endif // NM_CUSTOMDRAW - // 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!") ); + // even though we never use LVM_SETCALLBACKMASK, we still + // can get messages with LVIF_STATE in lvi.mask under Vista + if ( lvi.mask & LVIF_STATE ) + { + // we don't have anything to return from here... + lvi.stateMask = 0; + } return true; } @@ -2300,7 +2518,7 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.SetEventType(eventType); - bool processed = GetEventHandler()->ProcessEvent(event); + bool processed = HandleWindowEvent(event); // post processing // --------------- @@ -2326,16 +2544,9 @@ 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; } @@ -2356,10 +2567,10 @@ 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 @@ -2368,35 +2579,24 @@ static RECT GetCustomDrawnItemRect(const NMCUSTOMDRAW& nmcd) return rc; } -static void HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont) +static +bool HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont, int colCount) { NMCUSTOMDRAW& nmcd = pLVCD->nmcd; HDC hdc = nmcd.hdc; HWND hwndList = nmcd.hdr.hwndFrom; + const int col = pLVCD->iSubItem; const DWORD item = nmcd.dwItemSpec; - // the font must be valid, otherwise we wouldn't be painting the item at all SelectInHDC selFont(hdc, hfont); // get the rectangle to paint + int subitem = colCount ? col + 1 : col; RECT rc; - ListView_GetSubItemRect(hwndList, item, pLVCD->iSubItem, LVIR_BOUNDS, &rc); - if ( !pLVCD->iSubItem ) - { - // 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]; @@ -2404,33 +2604,68 @@ static void HandleSubItemPrepaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont) wxZeroMemory(it); it.mask = LVIF_TEXT | LVIF_IMAGE; it.iItem = item; - it.iSubItem = pLVCD->iSubItem; + it.iSubItem = col; it.pszText = text; it.cchTextMax = WXSIZEOF(text); ListView_GetItem(hwndList, &it); - if ( it.iImage != -1 ) + HIMAGELIST himl = ListView_GetImageList(hwndList, LVSIL_SMALL); + if ( himl && ImageList_GetImageCount(himl) ) { - HIMAGELIST himl = ListView_GetImageList(hwndList, LVSIL_SMALL); - - ImageList_Draw(himl, it.iImage, hdc, rc.left, rc.top, - nmcd.uItemState & CDIS_SELECTED ? ILD_SELECTED - : ILD_TRANSPARENT); + if ( it.iImage != -1 ) + { + ImageList_Draw(himl, it.iImage, hdc, rc.left, rc.top, + nmcd.uItemState & CDIS_SELECTED ? ILD_SELECTED + : ILD_TRANSPARENT); + } - int wImage, hImage; - ImageList_GetIconSize(himl, &wImage, &hImage); + // notice that even if this item doesn't have any image, the list + // control still leaves space for the image in the first column if the + // image list is not empty (presumably so that items with and without + // images align?) + if ( it.iImage != -1 || it.iSubItem == 0 ) + { + int wImage, hImage; + ImageList_GetIconSize(himl, &wImage, &hImage); - rc.left += wImage + 2; + rc.left += wImage + 2; + } } ::SetBkMode(hdc, TRANSPARENT); - // TODO: support for centred/right aligned columns - ::DrawText(hdc, text, -1, &rc, + UINT fmt = DT_SINGLELINE | #ifndef __WXWINCE__ DT_WORD_ELLIPSIS | #endif // __WXWINCE__ - DT_NOPREFIX | DT_SINGLELINE | DT_VCENTER); + DT_NOPREFIX | + DT_VCENTER; + + LV_COLUMN lvCol; + wxZeroMemory(lvCol); + lvCol.mask = LVCF_FMT; + if ( ListView_GetColumn(hwndList, col, &lvCol) ) + { + switch ( lvCol.fmt & LVCFMT_JUSTIFYMASK ) + { + case LVCFMT_LEFT: + fmt |= DT_LEFT; + break; + + case LVCFMT_CENTER: + fmt |= DT_CENTER; + break; + + case LVCFMT_RIGHT: + fmt |= DT_RIGHT; + break; + } + } + //else: failed to get alignment, assume it's DT_LEFT (default) + + DrawText(hdc, text, -1, &rc, fmt); + + return true; } static void HandleItemPostpaint(NMCUSTOMDRAW nmcd) @@ -2449,7 +2684,8 @@ static void HandleItemPaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont) { NMCUSTOMDRAW& nmcd = pLVCD->nmcd; // just a shortcut - HWND hwndList = nmcd.hdr.hwndFrom; + const HWND hwndList = nmcd.hdr.hwndFrom; + const int item = nmcd.dwItemSpec; // unfortunately we can't trust CDIS_SELECTED, it is often set even when // the item is not at all selected for some reason (comctl32 6), but we @@ -2465,13 +2701,24 @@ static void HandleItemPaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont) break; } - if ( (DWORD)i == nmcd.dwItemSpec ) + if ( i == item ) { nmcd.uItemState |= CDIS_SELECTED; break; } } + // same thing for CDIS_FOCUS (except simpler as there is only one of them) + if ( ::GetFocus() == hwndList && + ListView_GetNextItem(hwndList, -1, LVNI_FOCUSED) == item ) + { + nmcd.uItemState |= CDIS_FOCUS; + } + else + { + nmcd.uItemState &= ~CDIS_FOCUS; + } + if ( nmcd.uItemState & CDIS_SELECTED ) { int syscolFg, syscolBg; @@ -2506,7 +2753,7 @@ static void HandleItemPaint(LPNMLVCUSTOMDRAW pLVCD, HFONT hfont) for ( int col = 0; col < colCount; col++ ) { pLVCD->iSubItem = col; - HandleSubItemPrepaint(pLVCD, hfont); + HandleSubItemPrepaint(pLVCD, hfont, colCount); } HandleItemPostpaint(nmcd); @@ -2524,12 +2771,12 @@ static WXLPARAM HandleItemPrepaint(wxListCtrl *listctrl, // set the colours to use for text drawing - pLVCD->clrText = wxColourToRGB(attr->HasTextColour() - ? attr->GetTextColour() - : listctrl->GetTextColour()); - pLVCD->clrTextBk = wxColourToRGB(attr->HasBackgroundColour() - ? attr->GetBackgroundColour() - : listctrl->GetBackgroundColour()); + pLVCD->clrText = attr->HasTextColour() + ? wxColourToRGB(attr->GetTextColour()) + : wxColourToRGB(listctrl->GetTextColour()); + pLVCD->clrTextBk = attr->HasBackgroundColour() + ? wxColourToRGB(attr->GetBackgroundColour()) + : wxColourToRGB(listctrl->GetBackgroundColour()); // select the font if non default one is specified if ( attr->HasFont() ) @@ -2588,10 +2835,10 @@ 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; @@ -2604,7 +2851,7 @@ 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); @@ -2652,10 +2899,21 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) dc.SetPen(pen); dc.SetBrush(*wxTRANSPARENT_BRUSH); + + 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(); - 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()); @@ -2667,15 +2925,26 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) WXLRESULT wxListCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { -#ifdef WM_PRINT - if ( nMsg == WM_PRINT ) + switch ( nMsg ) { - // we should bypass our own WM_PRINT handling as we don't handle - // PRF_CHILDREN flag, so leave it to the native control itself - return MSWDefWindowProc(nMsg, wParam, lParam); - } +#ifdef WM_PRINT + case WM_PRINT: + // we should bypass our own WM_PRINT handling as we don't handle + // PRF_CHILDREN flag, so leave it to the native control itself + return MSWDefWindowProc(nMsg, wParam, lParam); #endif // WM_PRINT + case WM_CONTEXTMENU: + // because this message is propagated upwards the child-parent + // chain, we get it for the right clicks on the header window but + // this is confusing in wx as right clicking there already + // generates a separate wxEVT_COMMAND_LIST_COL_RIGHT_CLICK event + // so just ignore them + if ( (HWND)wParam == ListView_GetHeader(GetHwnd()) ) + return 0; + //else: break + } + return wxControl::MSWWindowProc(nMsg, wParam, lParam); } @@ -2739,30 +3008,12 @@ 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); } // ---------------------------------------------------------------------------- @@ -2959,7 +3210,7 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, else { // pszText is not const, hence the cast - lvItem.pszText = (wxChar *)info.m_text.c_str(); + lvItem.pszText = (wxChar *)info.m_text.wx_str(); if ( lvItem.pszText ) lvItem.cchTextMax = info.m_text.length(); else @@ -2980,7 +3231,7 @@ static void wxConvertToMSWListCol(HWND hwndList, if ( item.m_mask & wxLIST_MASK_TEXT ) { lvCol.mask |= LVCF_TEXT; - lvCol.pszText = (wxChar *)item.m_text.c_str(); // cast is safe + lvCol.pszText = (wxChar *)item.m_text.wx_str(); // cast is safe } if ( item.m_mask & wxLIST_MASK_FORMAT ) @@ -3010,7 +3261,7 @@ static void wxConvertToMSWListCol(HWND hwndList, #ifdef NM_CUSTOMDRAW // _WIN32_IE >= 0x0300 if ( item.m_mask & wxLIST_MASK_IMAGE ) { - if ( wxTheApp->GetComCtl32Version() >= 470 ) + if ( wxApp::GetComCtl32Version() >= 470 ) { lvCol.mask |= LVCF_IMAGE;