X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6f806543a4e26b02acbfdc8e6eac5b4e0ac6ab29..e7300ec6d9ebbd1cfa2fcf12c0ce6e5aee85a152:/src/msw/listctrl.cpp diff --git a/src/msw/listctrl.cpp b/src/msw/listctrl.cpp index fbf22fa5dd..e95f417a95 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: @@ -68,6 +68,14 @@ #define LVS_OWNERDATA 0x1000 #endif +#ifndef LVM_FIRST + #define LVM_FIRST 0x1000 +#endif + +#ifndef HDM_FIRST + #define HDM_FIRST 0x1200 +#endif + // mingw32/cygwin don't have declarations for comctl32.dll 4.70+ stuff #ifndef NM_CACHEHINT typedef struct tagNMLVCACHEHINT @@ -101,6 +109,52 @@ #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 + +#if defined(__GNUWIN32__) && !defined(LV_ITEM) \ + && !wxCHECK_W32API_VERSION( 0, 5 ) +typedef struct _LVITEMW { + UINT mask; + int iItem; + int iSubItem; + UINT state; + UINT stateMask; + LPWSTR pszText; + int cchTextMax; + int iImage; + LPARAM lParam; +#if (_WIN32_IE >= 0x0300) + int iIndent; +#endif +} LV_ITEMW; +typedef LV_ITEM LV_ITEMA; +#endif + +#if defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 0, 5 ) +#ifndef LV_DISPINFOA +typedef struct tagNMLVDISPINFOA { + NMHDR hdr; + LV_ITEMA item; +} NMLVDISPINFOA, FAR *LPNMLVDISPINFOA; +#define _LV_DISPINFOA tagNMLVDISPINFOA +#define LV_DISPINFOA NMLVDISPINFOA +#endif +#ifndef LV_DISPINFOW +typedef struct tagNMLVDISPINFOW { + NMHDR hdr; + LV_ITEMW item; +} NMLVDISPINFOW, FAR *LPNMLVDISPINFOW; +#define _LV_DISPINFOW tagNMLVDISPINFOW +#define LV_DISPINFOW NMLVDISPINFOW +#endif +#endif + // ---------------------------------------------------------------------------- // private functions // ---------------------------------------------------------------------------- @@ -121,6 +175,57 @@ static void wxConvertFromMSWListItem(HWND hwndListCtrl, static void wxConvertToMSWListCol(int col, const wxListItem& item, LV_COLUMN& lvCol); +// ---------------------------------------------------------------------------- +// private helper classes +// ---------------------------------------------------------------------------- + +// We have to handle both fooW and fooA notifications in several cases +// because of broken commctl.dll and/or unicows.dll. This class is used to +// convert LV_ITEMA and LV_ITEMW to LV_ITEM (which is either LV_ITEMA or +// LV_ITEMW depending on wxUSE_UNICODE setting), so that it can be processed +// by wxConvertToMSWListItem(). +class wxLV_ITEM +{ +public: + ~wxLV_ITEM() { delete m_buf; } + operator LV_ITEM&() const { return *m_item; } + +#if wxUSE_UNICODE + wxLV_ITEM(LV_ITEMW &item) : m_buf(NULL), m_item(&item) {} + wxLV_ITEM(LV_ITEMA &item) + { + m_item = new LV_ITEM((LV_ITEM&)item); + if ( (item.mask & LVIF_TEXT) && item.pszText ) + { + m_buf = new wxMB2WXbuf(wxConvLocal.cMB2WX(item.pszText)); + m_item->pszText = (wxChar*)m_buf->data(); + } + else + m_buf = NULL; + } +private: + wxMB2WXbuf *m_buf; + +#else + wxLV_ITEM(LV_ITEMW &item) + { + m_item = new LV_ITEM((LV_ITEM&)item); + if ( (item.mask & LVIF_TEXT) && item.pszText ) + { + m_buf = new wxWC2WXbuf(wxConvLocal.cWC2WX(item.pszText)); + m_item->pszText = (wxChar*)m_buf->data(); + } + else + m_buf = NULL; + } + wxLV_ITEM(LV_ITEMA &item) : m_buf(NULL), m_item(&item) {} +private: + wxWC2WXbuf *m_buf; +#endif + + LV_ITEM *m_item; +}; + // ---------------------------------------------------------------------------- // events // ---------------------------------------------------------------------------- @@ -145,12 +250,15 @@ 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() @@ -159,41 +267,6 @@ 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 // ---------------------------------------------------------------------------- @@ -304,7 +377,7 @@ bool wxListCtrl::DoCreateControl(int x, int y, int w, int h) 0, LVS_EX_FULLROWSELECT); } - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); SetForegroundColour(GetParent()->GetForegroundColour()); SubclassWin(m_hWnd); @@ -693,12 +766,17 @@ 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 @@ -723,7 +801,7 @@ 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; @@ -770,6 +848,22 @@ 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) ) { @@ -778,6 +872,17 @@ 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; } @@ -846,26 +951,33 @@ 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; } @@ -1041,13 +1153,41 @@ 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 @@ -1449,17 +1589,25 @@ 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; + // 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 HDN_BEGINTRACKA + // check for messages from the header (in report view) HWND hwndHdr = ListView_GetHeader(GetHwnd()); // is it a message from the header? if ( nmhdr->hwndFrom == hwndHdr ) { - NMHEADER *nmHDR = (NMHEADER *)nmhdr; + HD_NOTIFY *nmHDR = (HD_NOTIFY *)nmhdr; + event.m_itemIndex = -1; switch ( nmhdr->code ) @@ -1534,7 +1682,9 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return wxControl::MSWOnNotify(idCtrl, lParam, result); } } - else if ( nmhdr->hwndFrom == GetHwnd() ) + else +#endif // defined(HDN_BEGINTRACKA) + if ( nmhdr->hwndFrom == GetHwnd() ) { // almost all messages use NM_LISTVIEW NM_LISTVIEW *nmLV = (NM_LISTVIEW *)nmhdr; @@ -1559,11 +1709,46 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_pointDrag.y = nmLV->ptAction.y; break; - case LVN_BEGINLABELEDIT: + // NB: we have to handle both *A and *W versions here because some + // versions of comctl32.dll send ANSI message to an Unicode app + case LVN_BEGINLABELEDITA: { eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; - LV_DISPINFO *info = (LV_DISPINFO *)lParam; - wxConvertFromMSWListItem(GetHwnd(), event.m_item, info->item); + wxLV_ITEM item(((LV_DISPINFOA *)lParam)->item); + wxConvertFromMSWListItem(GetHwnd(), event.m_item, item); + event.m_itemIndex = event.m_item.m_itemId; + } + break; + case LVN_BEGINLABELEDITW: + { + eventType = wxEVT_COMMAND_LIST_BEGIN_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOW *)lParam)->item); + wxConvertFromMSWListItem(GetHwnd(), event.m_item, item); + event.m_itemIndex = event.m_item.m_itemId; + } + break; + + case LVN_ENDLABELEDITA: + { + eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOA *)lParam)->item); + wxConvertFromMSWListItem(NULL, event.m_item, item); + if ( ((LV_ITEM)item).pszText == NULL || + ((LV_ITEM)item).iItem == -1 ) + return FALSE; + + event.m_itemIndex = event.m_item.m_itemId; + } + break; + case LVN_ENDLABELEDITW: + { + eventType = wxEVT_COMMAND_LIST_END_LABEL_EDIT; + wxLV_ITEM item(((LV_DISPINFOW *)lParam)->item); + wxConvertFromMSWListItem(NULL, event.m_item, item); + if ( ((LV_ITEM)item).pszText == NULL || + ((LV_ITEM)item).iItem == -1 ) + return FALSE; + event.m_itemIndex = event.m_item.m_itemId; } break; @@ -1592,18 +1777,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } break; - 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; - - event.m_itemIndex = event.m_item.m_itemId; - } - break; - case LVN_SETDISPINFO: { eventType = wxEVT_COMMAND_LIST_SET_INFO; @@ -1618,22 +1791,52 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) 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; - event.m_itemIndex = nmLV->iItem; - } - else if ( !(nmLV->uNewState & LVIS_SELECTED) && (nmLV->uOldState & LVIS_SELECTED) ) + // 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_DESELECTED; - event.m_itemIndex = nmLV->iItem; + // 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 ) { + // not an interesting event for us return FALSE; } + break; case LVN_KEYDOWN: @@ -1658,7 +1861,11 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) else { eventType = wxEVT_COMMAND_LIST_KEY_DOWN; - event.m_code = wxCharCodeMSWToWX(wVKey); + + // 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 = @@ -1767,10 +1974,13 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) wxStrncpy(lvi.pszText, text, lvi.cchTextMax); } +#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 @@ -1794,7 +2004,6 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // process the event // ----------------- - event.SetEventObject( this ); event.SetEventType(eventType); if ( !GetEventHandler()->ProcessEvent(event) ) @@ -1813,7 +2022,8 @@ bool wxListCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return TRUE; - case LVN_ENDLABELEDIT: + case LVN_ENDLABELEDITA: + case LVN_ENDLABELEDITW: // logic here is inversed compared to all the other messages *result = event.IsAllowed(); @@ -1933,7 +2143,7 @@ void wxListCtrl::OnPaint(wxPaintEvent& event) if ((GetWindowStyle() & wxLC_REPORT) == 0) return; - wxPen pen(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID); + wxPen pen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DLIGHT), 1, wxSOLID); dc.SetPen(pen); dc.SetBrush(* wxTRANSPARENT_BRUSH); @@ -2026,10 +2236,18 @@ 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) @@ -2242,7 +2460,7 @@ static void wxConvertToMSWListItem(const wxListCtrl *ctrl, lvItem.mask |= LVIF_PARAM; } -static void wxConvertToMSWListCol(int col, const wxListItem& item, +static void wxConvertToMSWListCol(int WXUNUSED(col), const wxListItem& item, LV_COLUMN& lvCol) { wxZeroMemory(lvCol); @@ -2276,6 +2494,8 @@ static void wxConvertToMSWListCol(int col, const wxListItem& item, 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 ) @@ -2285,22 +2505,7 @@ static void wxConvertToMSWListCol(int col, const wxListItem& item, } //else: it doesn't support item images anyhow } -} - -// ---------------------------------------------------------------------------- -// List event -// ---------------------------------------------------------------------------- - -IMPLEMENT_DYNAMIC_CLASS(wxListEvent, wxNotifyEvent) - -wxListEvent::wxListEvent(wxEventType commandType, int id) - : wxNotifyEvent(commandType, id) -{ - m_code = 0; - m_itemIndex = 0; - m_oldItemIndex = 0; - m_col = 0; - m_cancelled = FALSE; +#endif } #endif // wxUSE_LISTCTRL