X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7699361c96024e43b1a9158a98af0a45c1ccd49d..42e53e77719543f722d82274031238754f7e09f7:/src/msw/treectrl.cpp diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index a579355d50..b564f3f4b5 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "treectrl.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -32,62 +28,28 @@ #include "wx/msw/private.h" +// include "properly" +#include "wx/msw/wrapcctl.h" + +#include "wx/msw/missing.h" + // Set this to 1 to be _absolutely_ sure that repainting will work for all // comctl32.dll versions #define wxUSE_COMCTL32_SAFELY 0 -// Mingw32 is a bit mental even though this is done in winundef -#ifdef GetFirstChild - #undef GetFirstChild -#endif - -#ifdef GetNextSibling - #undef GetNextSibling -#endif - -#if defined(__WIN95__) - #include "wx/app.h" #include "wx/log.h" #include "wx/dynarray.h" #include "wx/imaglist.h" #include "wx/settings.h" -#include "wx/msw/treectrl.h" +#include "wx/treectrl.h" #include "wx/msw/dragimag.h" -#ifdef __GNUWIN32_OLD__ - #include "wx/msw/gnuwin32/extra.h" -#endif +// macros to hide the cast ugliness +// -------------------------------- -#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__)) - #include -#endif - -// Bug in headers, sometimes -#ifndef TVIS_FOCUSED - #define TVIS_FOCUSED 0x0001 -#endif - -#ifndef TV_FIRST - #define TV_FIRST 0x1100 -#endif - -#ifndef TVS_CHECKBOXES - #define TVS_CHECKBOXES 0x0100 -#endif - -#ifndef TVS_FULLROWSELECT - #define TVS_FULLROWSELECT 0x1000 -#endif - -// old headers might miss these messages (comctl32.dll 4.71+ only) -#ifndef TVM_SETBKCOLOR - #define TVM_SETBKCOLOR (TV_FIRST + 29) - #define TVM_SETTEXTCOLOR (TV_FIRST + 30) -#endif - -// a macro to hide the ugliness of nested casts -#define HITEM(item) (HTREEITEM)(WXHTREEITEM)(item) +// get HTREEITEM from wxTreeItemId +#define HITEM(item) ((HTREEITEM)(((item).m_pItem))) // the native control doesn't support multiple selections under MSW and we // have 2 ways to emulate them: either using TVS_CHECKBOXES style and let @@ -130,7 +92,7 @@ static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem) return (tvi.state & TVIS_SELECTED) != 0; } -static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true) +static bool SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true) { TV_ITEM tvi; tvi.mask = TVIF_STATE | TVIF_HANDLE; @@ -141,7 +103,10 @@ static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true) if ( TreeView_SetItem(hwndTV, &tvi) == -1 ) { wxLogLastError(wxT("TreeView_SetItem")); + return false; } + + return true; } static inline void UnselectItem(HWND hwndTV, HTREEITEM htItem) @@ -376,7 +341,8 @@ public: { m_selections.Empty(); - DoTraverse(tree->GetRootItem()); + if (tree->GetCount() > 0) + DoTraverse(tree->GetRootItem()); } virtual bool OnVisit(const wxTreeItemId& item) @@ -403,6 +369,8 @@ public: private: wxArrayTreeItemIds& m_selections; + + DECLARE_NO_COPY_CLASS(TraverseSelections) }; // internal class for counting tree items @@ -430,6 +398,8 @@ public: private: size_t m_count; + + DECLARE_NO_COPY_CLASS(TraverseCounter) }; // ---------------------------------------------------------------------------- @@ -499,7 +469,69 @@ private: // wxWin macros // ---------------------------------------------------------------------------- +#if wxUSE_EXTENDED_RTTI +WX_DEFINE_FLAGS( wxTreeCtrlStyle ) + +wxBEGIN_FLAGS( wxTreeCtrlStyle ) + // new style border flags, we put them first to + // use them for streaming out + wxFLAGS_MEMBER(wxBORDER_SIMPLE) + wxFLAGS_MEMBER(wxBORDER_SUNKEN) + wxFLAGS_MEMBER(wxBORDER_DOUBLE) + wxFLAGS_MEMBER(wxBORDER_RAISED) + wxFLAGS_MEMBER(wxBORDER_STATIC) + wxFLAGS_MEMBER(wxBORDER_NONE) + + // old style border flags + wxFLAGS_MEMBER(wxSIMPLE_BORDER) + wxFLAGS_MEMBER(wxSUNKEN_BORDER) + wxFLAGS_MEMBER(wxDOUBLE_BORDER) + wxFLAGS_MEMBER(wxRAISED_BORDER) + wxFLAGS_MEMBER(wxSTATIC_BORDER) + wxFLAGS_MEMBER(wxBORDER) + + // standard window styles + wxFLAGS_MEMBER(wxTAB_TRAVERSAL) + wxFLAGS_MEMBER(wxCLIP_CHILDREN) + wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW) + wxFLAGS_MEMBER(wxWANTS_CHARS) + wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE) + wxFLAGS_MEMBER(wxALWAYS_SHOW_SB ) + wxFLAGS_MEMBER(wxVSCROLL) + wxFLAGS_MEMBER(wxHSCROLL) + + wxFLAGS_MEMBER(wxTR_EDIT_LABELS) + wxFLAGS_MEMBER(wxTR_NO_BUTTONS) + wxFLAGS_MEMBER(wxTR_HAS_BUTTONS) + wxFLAGS_MEMBER(wxTR_TWIST_BUTTONS) + wxFLAGS_MEMBER(wxTR_NO_LINES) + wxFLAGS_MEMBER(wxTR_FULL_ROW_HIGHLIGHT) + wxFLAGS_MEMBER(wxTR_LINES_AT_ROOT) + wxFLAGS_MEMBER(wxTR_HIDE_ROOT) + wxFLAGS_MEMBER(wxTR_ROW_LINES) + wxFLAGS_MEMBER(wxTR_HAS_VARIABLE_ROW_HEIGHT) + wxFLAGS_MEMBER(wxTR_SINGLE) + wxFLAGS_MEMBER(wxTR_MULTIPLE) + wxFLAGS_MEMBER(wxTR_EXTENDED) + wxFLAGS_MEMBER(wxTR_DEFAULT_STYLE) + +wxEND_FLAGS( wxTreeCtrlStyle ) + +IMPLEMENT_DYNAMIC_CLASS_XTI(wxTreeCtrl, wxControl,"wx/treectrl.h") + +wxBEGIN_PROPERTIES_TABLE(wxTreeCtrl) + wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent ) + wxEVENT_RANGE_PROPERTY( TreeEvent , wxEVT_COMMAND_TREE_BEGIN_DRAG , wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK , wxTreeEvent ) + wxPROPERTY_FLAGS( WindowStyle , wxTreeCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style +wxEND_PROPERTIES_TABLE() + +wxBEGIN_HANDLERS_TABLE(wxTreeCtrl) +wxEND_HANDLERS_TABLE() + +wxCONSTRUCTOR_5( wxTreeCtrl , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle ) +#else IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl) +#endif // ---------------------------------------------------------------------------- // constants @@ -551,7 +583,7 @@ bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively) bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively) { - long cookie; + wxTreeItemIdValue cookie; wxTreeItemId child = m_tree->GetFirstChild(root, cookie); while ( child.IsOk() ) { @@ -574,13 +606,9 @@ bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively) void wxTreeCtrl::Init() { - m_imageListNormal = NULL; - m_imageListState = NULL; - m_ownsImageListNormal = m_ownsImageListState = false; m_textCtrl = NULL; m_hasAnyAttr = false; m_dragImage = NULL; - m_htSelStart = 0; m_pVirtualRoot = NULL; // initialize the global array of events now as it can't be done statically @@ -624,7 +652,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT ) { - if ( wxTheApp->GetComCtl32Version() >= 471 ) + if ( wxApp::GetComCtl32Version() >= 471 ) wstyle |= TVS_FULLROWSELECT; } @@ -642,8 +670,13 @@ bool wxTreeCtrl::Create(wxWindow *parent, wstyle |= TVS_CHECKBOXES; #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE +#if !defined(__WXWINCE__) && defined(TVS_INFOTIP) + // Need so that TVN_GETINFOTIP messages will be sent + wstyle |= TVS_INFOTIP; +#endif + // Create the tree control. - if ( !MSWCreateControl(WC_TREEVIEW, wstyle) ) + if ( !MSWCreateControl(WC_TREEVIEW, wstyle, pos, size) ) return false; #if wxUSE_COMCTL32_SAFELY @@ -676,8 +709,8 @@ bool wxTreeCtrl::Create(wxWindow *parent, HDC hdcMem = CreateCompatibleDC(NULL); // create a mono bitmap of the standard size - int x = GetSystemMetrics(SM_CXMENUCHECK); - int y = GetSystemMetrics(SM_CYMENUCHECK); + int x = ::GetSystemMetrics(SM_CXMENUCHECK); + int y = ::GetSystemMetrics(SM_CYMENUCHECK); wxImageList imagelistCheckboxes(x, y, false, 2); HBITMAP hbmpCheck = CreateBitmap(x, y, // bitmap size 1, // # of color planes @@ -715,7 +748,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, } #endif // 0 - SetSize(pos.x, pos.y, size.x, size.y); + wxSetCCUnicodeFormat(GetHwnd()); return true; } @@ -725,10 +758,7 @@ wxTreeCtrl::~wxTreeCtrl() // delete any attributes if ( m_hasAnyAttr ) { - for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() ) - { - delete (wxTreeItemAttr *)node->GetData(); - } + WX_CLEAR_HASH_MAP(wxMapTreeAttr, m_attrs); // prevent TVN_DELETEITEM handler from deleting the attributes again! m_hasAnyAttr = false; @@ -739,15 +769,24 @@ wxTreeCtrl::~wxTreeCtrl() // delete user data to prevent memory leaks // also deletes hidden root node storage. DeleteAllItems(); - - if (m_ownsImageListNormal) delete m_imageListNormal; - if (m_ownsImageListState) delete m_imageListState; } // ---------------------------------------------------------------------------- // accessors // ---------------------------------------------------------------------------- +/* static */ wxVisualAttributes +wxTreeCtrl::GetClassDefaultAttributes(wxWindowVariant variant) +{ + wxVisualAttributes attrs = GetCompositeControlsDefaultAttributes(variant); + + // common controls have their own default font + attrs.font = wxGetCCDefaultFont(); + + return attrs; +} + + // simple wrappers which add error checking in debug mode bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const @@ -788,16 +827,6 @@ void wxTreeCtrl::SetIndent(unsigned int indent) TreeView_SetIndent(GetHwnd(), indent); } -wxImageList *wxTreeCtrl::GetImageList() const -{ - return m_imageListNormal; -} - -wxImageList *wxTreeCtrl::GetStateImageList() const -{ - return m_imageListNormal; -} - void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) { // no error return @@ -822,23 +851,12 @@ void wxTreeCtrl::SetStateImageList(wxImageList *imageList) m_ownsImageListState = false; } -void wxTreeCtrl::AssignImageList(wxImageList *imageList) -{ - SetImageList(imageList); - m_ownsImageListNormal = true; -} - -void wxTreeCtrl::AssignStateImageList(wxImageList *imageList) -{ - SetStateImageList(imageList); - m_ownsImageListState = true; -} - size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively) const { - TraverseCounter counter(this, item, recursively); + wxCHECK_MSG( item.IsOk(), 0u, wxT("invalid tree item") ); + TraverseCounter counter(this, item, recursively); return counter.GetCount() - 1; } @@ -852,7 +870,7 @@ bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour) if ( !wxWindowBase::SetBackgroundColour(colour) ) return false; - SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel()); + ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel()); #endif return true; @@ -864,7 +882,7 @@ bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) if ( !wxWindowBase::SetForegroundColour(colour) ) return false; - SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel()); + ::SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel()); #endif return true; @@ -876,6 +894,8 @@ bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), wxEmptyString, wxT("invalid tree item") ); + wxChar buf[512]; // the size is arbitrary... wxTreeViewItem tvItem(item, TVIF_TEXT); @@ -892,6 +912,8 @@ wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) { + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + if ( IS_VIRTUAL_ROOT(item) ) return; @@ -907,7 +929,7 @@ void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) HWND hwndEdit = TreeView_GetEditControl(GetHwnd()); if ( hwndEdit ) { - if ( item == GetSelection() ) + if ( item == m_idEdited ) { ::SetWindowText(hwndEdit, text); } @@ -967,6 +989,8 @@ void wxTreeCtrl::DoSetItemImages(const wxTreeItemId& item, int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, wxTreeItemIcon which) const { + wxCHECK_MSG( item.IsOk(), -1, wxT("invalid tree item") ); + if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) ) { // TODO: Maybe a hidden root can still provide images? @@ -1006,21 +1030,37 @@ int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, wxTreeItemIcon which) { + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + if ( IS_VIRTUAL_ROOT(item) ) { // TODO: Maybe a hidden root can still store images? return; } - int imageNormal, imageSel; + int imageNormal, + imageSel; + switch ( which ) { default: wxFAIL_MSG( wxT("unknown tree item image type") ); + // fall through case wxTreeItemIcon_Normal: - imageNormal = image; - imageSel = GetItemSelectedImage(item); + { + const int imageNormalOld = GetItemImage(item); + const int imageSelOld = + GetItemImage(item, wxTreeItemIcon_Selected); + + // always set the normal image + imageNormal = image; + + // if the selected and normal images were the same, they should + // be the same after the update, otherwise leave the selected + // image as it was + imageSel = imageNormalOld == imageSelOld ? image : imageSelOld; + } break; case wxTreeItemIcon_Selected: @@ -1036,7 +1076,7 @@ void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, // the wxTreeItemIndirectData GetItemXXXImage() will use it to // get the images imageNormal = GetItemImage(item); - imageSel = GetItemSelectedImage(item); + imageSel = GetItemImage(item, wxTreeItemIcon_Selected); // if it doesn't have it yet, add it wxTreeItemIndirectData *data = new @@ -1064,6 +1104,8 @@ void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), NULL, wxT("invalid tree item") ); + wxTreeViewItem tvItem(item, TVIF_PARAM); // Hidden root may have data. @@ -1089,6 +1131,8 @@ wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) { + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + if ( IS_VIRTUAL_ROOT(item) ) { GET_VIRTUAL_ROOT()->SetData(data); @@ -1148,6 +1192,8 @@ bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) { + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + if ( IS_VIRTUAL_ROOT(item) ) return; @@ -1158,6 +1204,8 @@ void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) { + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + if ( IS_VIRTUAL_ROOT(item) ) return; @@ -1190,51 +1238,45 @@ void wxTreeCtrl::RefreshItem(const wxTreeItemId& item) wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const { - long id = (long)(WXHTREEITEM)item; - wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); - if ( !attr ) - { - return wxNullColour; - } + wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); - return attr->GetTextColour(); + wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem); + return it == m_attrs.end() ? wxNullColour : it->second->GetTextColour(); } wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const { - long id = (long)(WXHTREEITEM)item; - wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); - if ( !attr ) - { - return wxNullColour; - } + wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); - return attr->GetBackgroundColour(); + wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem); + return it == m_attrs.end() ? wxNullColour : it->second->GetBackgroundColour(); } wxFont wxTreeCtrl::GetItemFont(const wxTreeItemId& item) const { - long id = (long)(WXHTREEITEM)item; - wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); - if ( !attr ) - { - return wxNullFont; - } + wxCHECK_MSG( item.IsOk(), wxNullFont, wxT("invalid tree item") ); - return attr->GetFont(); + wxMapTreeAttr::const_iterator it = m_attrs.find(item.m_pItem); + return it == m_attrs.end() ? wxNullFont : it->second->GetFont(); } void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, const wxColour& col) { - m_hasAnyAttr = true; + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - long id = (long)(WXHTREEITEM)item; - wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); - if ( !attr ) + wxTreeItemAttr *attr; + wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem); + if ( it == m_attrs.end() ) { + m_hasAnyAttr = true; + + m_attrs[item.m_pItem] = attr = new wxTreeItemAttr; - m_attrs.Put(id, (wxObject *)attr); + } + else + { + attr = it->second; } attr->SetTextColour(col); @@ -1245,14 +1287,20 @@ void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col) { - m_hasAnyAttr = true; + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - long id = (long)(WXHTREEITEM)item; - wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); - if ( !attr ) + wxTreeItemAttr *attr; + wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem); + if ( it == m_attrs.end() ) { + m_hasAnyAttr = true; + + m_attrs[item.m_pItem] = attr = new wxTreeItemAttr; - m_attrs.Put(id, (wxObject *)attr); + } + else // already in the hash + { + attr = it->second; } attr->SetBackgroundColour(col); @@ -1262,14 +1310,20 @@ void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) { - m_hasAnyAttr = true; + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); - long id = (long)(WXHTREEITEM)item; - wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); - if ( !attr ) + wxTreeItemAttr *attr; + wxMapTreeAttr::iterator it = m_attrs.find(item.m_pItem); + if ( it == m_attrs.end() ) { + m_hasAnyAttr = true; + + m_attrs[item.m_pItem] = attr = new wxTreeItemAttr; - m_attrs.Put(id, (wxObject *)attr); + } + else // already in the hash + { + attr = it->second; } attr->SetFont(font); @@ -1283,6 +1337,8 @@ void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); + if ( item == wxTreeItemId(TVI_ROOT) ) { // virtual (hidden) root is never visible @@ -1294,14 +1350,26 @@ bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const // this ugliness comes directly from MSDN - it *is* the correct way to pass // the HTREEITEM with TVM_GETITEMRECT - *(WXHTREEITEM *)&rect = (WXHTREEITEM)item; + *(HTREEITEM *)&rect = HITEM(item); - // false means get item rect for the whole item, not only text - return SendMessage(GetHwnd(), TVM_GETITEMRECT, false, (LPARAM)&rect) != 0; + // true means to get rect for just the text, not the whole line + if ( !::SendMessage(GetHwnd(), TVM_GETITEMRECT, true, (LPARAM)&rect) ) + { + // if TVM_GETITEMRECT returned false, then the item is definitely not + // visible (because its parent is not expanded) + return false; + } + + // however if it returned true, the item might still be outside the + // currently visible part of the tree, test for it (notice that partly + // visible means visible here) + return rect.bottom > 0 && rect.top < GetClientSize().y; } bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); + wxTreeViewItem tvItem(item, TVIF_CHILDREN); DoGetItem(&tvItem); @@ -1310,8 +1378,7 @@ bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const { - // probably not a good idea to put it here - //wxASSERT( ItemHasChildren(item) ); + wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDED); DoGetItem(&tvItem); @@ -1321,6 +1388,8 @@ bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_SELECTED); DoGetItem(&tvItem); @@ -1329,6 +1398,8 @@ bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); DoGetItem(&tvItem); @@ -1345,19 +1416,21 @@ wxTreeItemId wxTreeCtrl::GetRootItem() const if ( GET_VIRTUAL_ROOT() ) return TVI_ROOT; - return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd())); + return wxTreeItemId(TreeView_GetRoot(GetHwnd())); } wxTreeItemId wxTreeCtrl::GetSelection() const { - wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), (long)(WXHTREEITEM)0, + wxCHECK_MSG( !(m_windowStyle & wxTR_MULTIPLE), wxTreeItemId(), wxT("this only works with single selection controls") ); - return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd())); + return wxTreeItemId(TreeView_GetSelection(GetHwnd())); } wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); + HTREEITEM hItem; if ( IS_VIRTUAL_ROOT(item) ) @@ -1375,32 +1448,72 @@ wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const } } - return wxTreeItemId((WXHTREEITEM)hItem); + return wxTreeItemId(hItem); } wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, - long& _cookie) const + wxTreeItemIdValue& cookie) const { + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); + // remember the last child returned in 'cookie' - _cookie = (long)TreeView_GetChild(GetHwnd(), HITEM(item)); + cookie = TreeView_GetChild(GetHwnd(), HITEM(item)); + + return wxTreeItemId(cookie); +} + +wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), + wxTreeItemIdValue& cookie) const +{ + wxTreeItemId fromCookie(cookie); + + HTREEITEM hitem = HITEM(fromCookie); + + hitem = TreeView_GetNextSibling(GetHwnd(), hitem); + + wxTreeItemId item(hitem); + + cookie = item.m_pItem; + + return item; +} + +#if WXWIN_COMPATIBILITY_2_4 + +wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, + long& cookie) const +{ + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); - return wxTreeItemId((WXHTREEITEM)_cookie); + cookie = (long)TreeView_GetChild(GetHwnd(), HITEM(item)); + + return wxTreeItemId((void *)cookie); } wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), - long& _cookie) const + long& cookie) const { - wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(GetHwnd(), - HITEM(_cookie))); - _cookie = (long)l; + wxTreeItemId fromCookie((void *)cookie); + + HTREEITEM hitem = HITEM(fromCookie); + + hitem = TreeView_GetNextSibling(GetHwnd(), hitem); - return l; + wxTreeItemId item(hitem); + + cookie = (long)item.m_pItem; + + return item; } +#endif // WXWIN_COMPATIBILITY_2_4 + wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); + // can this be done more efficiently? - long cookie; + wxTreeItemIdValue cookie; wxTreeItemId childLast, child = GetFirstChild(item, cookie); @@ -1415,31 +1528,35 @@ wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const { - return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(GetHwnd(), HITEM(item))); + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); + return wxTreeItemId(TreeView_GetNextSibling(GetHwnd(), HITEM(item))); } wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const { - return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(GetHwnd(), HITEM(item))); + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); + return wxTreeItemId(TreeView_GetPrevSibling(GetHwnd(), HITEM(item))); } wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const { - return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(GetHwnd())); + return wxTreeItemId(TreeView_GetFirstVisible(GetHwnd())); } wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); wxASSERT_MSG( IsVisible(item), wxT("The item you call GetNextVisible() for must be visible itself!")); - return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), HITEM(item))); + return wxTreeItemId(TreeView_GetNextVisible(GetHwnd(), HITEM(item))); } wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); wxASSERT_MSG( IsVisible(item), wxT("The item you call GetPrevVisible() for must be visible itself!")); - return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), HITEM(item))); + return wxTreeItemId(TreeView_GetPrevVisible(GetHwnd(), HITEM(item))); } // ---------------------------------------------------------------------------- @@ -1448,6 +1565,8 @@ wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const bool wxTreeCtrl::IsItemChecked(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), false, wxT("invalid tree item") ); + // receive the desired information. wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); DoGetItem(&tvItem); @@ -1458,6 +1577,8 @@ bool wxTreeCtrl::IsItemChecked(const wxTreeItemId& item) const void wxTreeCtrl::SetItemCheck(const wxTreeItemId& item, bool check) { + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + // receive the desired information. wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); @@ -1480,11 +1601,11 @@ size_t wxTreeCtrl::GetSelections(wxArrayTreeItemIds& selections) const // Usual operations // ---------------------------------------------------------------------------- -wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, - wxTreeItemId hInsertAfter, - const wxString& text, - int image, int selectedImage, - wxTreeItemData *data) +wxTreeItemId wxTreeCtrl::DoInsertAfter(const wxTreeItemId& parent, + const wxTreeItemId& hInsertAfter, + const wxString& text, + int image, int selectedImage, + wxTreeItemData *data) { wxCHECK_MSG( parent.IsOk() || !TreeView_GetRoot(GetHwnd()), wxTreeItemId(), @@ -1502,7 +1623,7 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, } UINT mask = 0; - if ( !text.IsEmpty() ) + if ( !text.empty() ) { mask |= TVIF_TEXT; tvIns.item.pszText = (wxChar *)text.c_str(); // cast is ok @@ -1548,22 +1669,37 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, if ( data != NULL ) { // associate the application tree item with Win32 tree item handle - data->SetId((WXHTREEITEM)id); + data->SetId(id); } - return wxTreeItemId((WXHTREEITEM)id); + return wxTreeItemId(id); } // for compatibility only -wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, - const wxString& text, - int image, int selImage, - long insertAfter) +#if WXWIN_COMPATIBILITY_2_4 + +wxImageList *wxTreeCtrl::GetImageList(int) const +{ + return wxTreeCtrlBase::GetImageList(); +} + +void wxTreeCtrl::SetImageList(wxImageList *imageList, int) +{ + SetImageList(imageList); +} + +int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const +{ + return GetItemImage(item, wxTreeItemIcon_Selected); +} + +void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image) { - return DoInsertItem(parent, (WXHTREEITEM)insertAfter, text, - image, selImage, NULL); + SetItemImage(item, image, wxTreeItemIcon_Selected); } +#endif // WXWIN_COMPATIBILITY_2_4 + wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, int image, int selectedImage, wxTreeItemData *data) @@ -1577,59 +1713,40 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, return TVI_ROOT; } - return DoInsertItem(wxTreeItemId((long)(WXHTREEITEM) 0), (long)(WXHTREEITEM) 0, - text, image, selectedImage, data); -} - -wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent, - const wxString& text, - int image, int selectedImage, - wxTreeItemData *data) -{ - return DoInsertItem(parent, (WXHTREEITEM) TVI_FIRST, - text, image, selectedImage, data); + return DoInsertAfter(wxTreeItemId(), wxTreeItemId(), + text, image, selectedImage, data); } -wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, - const wxTreeItemId& idPrevious, - const wxString& text, - int image, int selectedImage, - wxTreeItemData *data) -{ - return DoInsertItem(parent, idPrevious, text, image, selectedImage, data); -} - -wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, - size_t index, - const wxString& text, - int image, int selectedImage, - wxTreeItemData *data) +wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, + size_t index, + const wxString& text, + int image, int selectedImage, + wxTreeItemData *data) { - // find the item from index - long cookie; - wxTreeItemId idPrev, idCur = GetFirstChild(parent, cookie); - while ( index != 0 && idCur.IsOk() ) + wxTreeItemId idPrev; + if ( index == (size_t)-1 ) { - index--; - - idPrev = idCur; - idCur = GetNextChild(parent, cookie); + // special value: append to the end + idPrev = TVI_LAST; } + else // find the item from index + { + wxTreeItemIdValue cookie; + wxTreeItemId idCur = GetFirstChild(parent, cookie); + while ( index != 0 && idCur.IsOk() ) + { + index--; - // assert, not check: if the index is invalid, we will append the item - // to the end - wxASSERT_MSG( index == 0, _T("bad index in wxTreeCtrl::InsertItem") ); + idPrev = idCur; + idCur = GetNextChild(parent, cookie); + } - return DoInsertItem(parent, idPrev, text, image, selectedImage, data); -} + // assert, not check: if the index is invalid, we will append the item + // to the end + wxASSERT_MSG( index == 0, _T("bad index in wxTreeCtrl::InsertItem") ); + } -wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent, - const wxString& text, - int image, int selectedImage, - wxTreeItemData *data) -{ - return DoInsertItem(parent, (WXHTREEITEM) TVI_LAST, - text, image, selectedImage, data); + return DoInsertAfter(parent, idPrev, text, image, selectedImage, data); } void wxTreeCtrl::Delete(const wxTreeItemId& item) @@ -1643,13 +1760,13 @@ void wxTreeCtrl::Delete(const wxTreeItemId& item) // delete all children (but don't delete the item itself) void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) { - long cookie; + wxTreeItemIdValue cookie; - wxArrayLong children; + wxArrayTreeItemIds children; wxTreeItemId child = GetFirstChild(item, cookie); while ( child.IsOk() ) { - children.Add((long)(WXHTREEITEM)child); + children.Add(child); child = GetNextChild(item, cookie); } @@ -1657,7 +1774,7 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) size_t nCount = children.Count(); for ( size_t n = 0; n < nCount; n++ ) { - if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) ) + if ( !TreeView_DeleteItem(GetHwnd(), HITEM(children[n])) ) { wxLogLastError(wxT("TreeView_DeleteItem")); } @@ -1742,18 +1859,22 @@ void wxTreeCtrl::Toggle(const wxTreeItemId& item) DoExpand(item, TVE_TOGGLE); } +#if WXWIN_COMPATIBILITY_2_4 + void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action) { DoExpand(item, action); } +#endif + void wxTreeCtrl::Unselect() { wxASSERT_MSG( !(m_windowStyle & wxTR_MULTIPLE), wxT("doesn't make sense, may be you want UnselectAll()?") ); // just remove the selection - SelectItem(wxTreeItemId((long) (WXHTREEITEM) 0)); + SelectItem(wxTreeItemId()); } void wxTreeCtrl::UnselectAll() @@ -1765,11 +1886,13 @@ void wxTreeCtrl::UnselectAll() for ( size_t n = 0; n < count; n++ ) { #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE - SetItemCheck(selections[n], false); + SetItemCheck(HITEM(selections[n]), false); #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE ::UnselectItem(GetHwnd(), HITEM(selections[n])); #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE } + + m_htSelStart.Unset(); } else { @@ -1778,19 +1901,22 @@ void wxTreeCtrl::UnselectAll() } } -void wxTreeCtrl::SelectItem(const wxTreeItemId& item) +void wxTreeCtrl::SelectItem(const wxTreeItemId& item, bool select) { if ( m_windowStyle & wxTR_MULTIPLE ) { #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE // selecting the item means checking it - SetItemCheck(item); + SetItemCheck(item, select); #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE - ::SelectItem(GetHwnd(), HITEM(item)); + ::SelectItem(GetHwnd(), HITEM(item), select); #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE } else { + wxASSERT_MSG( select, + _T("SelectItem(false) works only for multiselect") ); + // inspite of the docs (MSDN Jan 99 edition), we don't seem to receive // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so // send them ourselves @@ -1806,7 +1932,7 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item) { wxLogLastError(wxT("TreeView_SelectItem")); } - else + else // ok { event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED); (void)GetEventHandler()->ProcessEvent(event); @@ -1851,6 +1977,8 @@ void wxTreeCtrl::DeleteTextCtrl() m_textCtrl->SetHWND(0); delete m_textCtrl; m_textCtrl = NULL; + + m_idEdited.Unset(); } } @@ -1861,6 +1989,7 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item, DeleteTextCtrl(); + m_idEdited = item; m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item)); @@ -1878,14 +2007,14 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item, } // End label editing, optionally cancelling the edit -void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges) +void wxTreeCtrl::DoEndEditLabel(bool discardChanges) { TreeView_EndEditLabelNow(GetHwnd(), discardChanges); DeleteTextCtrl(); } -wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags) +wxTreeItemId wxTreeCtrl::DoHitTest(const wxPoint& point, int& flags) { TV_HITTESTINFO hitTestInfo; hitTestInfo.pt.x = (int)point.x; @@ -1913,7 +2042,7 @@ wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags) #undef TRANSLATE_FLAG - return wxTreeItemId((WXHTREEITEM) hitTestInfo.hItem); + return wxTreeItemId(hitTestInfo.hItem); } bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item, @@ -1921,6 +2050,13 @@ bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item, bool textOnly) const { RECT rc; + + // Virtual root items have no bounding rectangle + if ( IS_VIRTUAL_ROOT(item) ) + { + return false; + } + if ( TreeView_GetItemRect(GetHwnd(), HITEM(item), &rc, textOnly) ) { @@ -1972,14 +2108,10 @@ int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1, GetIdFromData(tree, pItem2)); } -int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1, - const wxTreeItemId& item2) -{ - return wxStrcmp(GetItemText(item1), GetItemText(item2)); -} - void wxTreeCtrl::SortChildren(const wxTreeItemId& item) { + wxCHECK_RET( item.IsOk(), wxT("invalid tree item") ); + // rely on the fact that TreeView_SortChildren does the same thing as our // default behaviour, i.e. sorts items alphabetically and so call it // directly if we're not in derived class (much more efficient!) @@ -2029,27 +2161,69 @@ bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id) // only do it during dragging, minimize wxWin overhead (this is important for // WM_MOUSEMOVE as they're a lot of them) by catching Windows messages directly // instead of passing by wxWin events -long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { bool processed = false; - long rc = 0; - bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0; + WXLRESULT rc = 0; + bool isMultiple = HasFlag(wxTR_MULTIPLE); + + // This message is sent after a right-click, or when the "menu" key is pressed + if ( nMsg == WM_CONTEXTMENU ) + { + int x = GET_X_LPARAM(lParam), + y = GET_Y_LPARAM(lParam); + // Convert the screen point to a client point + wxPoint MenuPoint = ScreenToClient(wxPoint(x, y)); + + wxTreeEvent event( wxEVT_COMMAND_TREE_ITEM_MENU, GetId() ); + + // can't use GetSelection() here as it would assert in multiselect mode + event.m_item = wxTreeItemId(TreeView_GetSelection(GetHwnd())); + event.SetEventObject( this ); + + // Get the bounding rectangle for the item, including the non-text areas + wxRect ItemRect; + GetBoundingRect(event.m_item, ItemRect, false); + // If the point is inside the bounding rectangle, use it as the click position. + // This should be the case for WM_CONTEXTMENU as the result of a right-click + if (ItemRect.Inside(MenuPoint)) + { + event.m_pointDrag = MenuPoint; + } + // Use the Explorer standard of putting the menu at the left edge of the text, + // in the vertical middle of the text. Should be the case for the "menu" key + else + { + // Use the bounding rectangle of only the text part + GetBoundingRect(event.m_item, ItemRect, true); + event.m_pointDrag = wxPoint(ItemRect.GetX(), ItemRect.GetY() + ItemRect.GetHeight() / 2); + } - if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) ) + if ( GetEventHandler()->ProcessEvent(event) ) + processed = true; + //else: continue with generating wxEVT_CONTEXT_MENU in base class code + } + else if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) ) { // we only process mouse messages here and these parameters have the // same meaning for all of them int x = GET_X_LPARAM(lParam), y = GET_Y_LPARAM(lParam); HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y); + + TV_HITTESTINFO tvht; + tvht.pt.x = x; + tvht.pt.y = y; + + TreeView_HitTest(GetHwnd(), &tvht); switch ( nMsg ) { case WM_RBUTTONDOWN: - // if the item we are about to right click on - // is not already select, remove the entire - // previous selection - if (!::IsItemSelected(GetHwnd(), htItem)) + // if the item we are about to right click on is not already + // selected or if we click outside of any item, remove the + // entire previous selection + if ( !htItem || !::IsItemSelected(GetHwnd(), htItem) ) { UnselectAll(); } @@ -2062,19 +2236,22 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) #if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE case WM_LBUTTONDOWN: - if ( htItem && isMultiple ) + if ( htItem && isMultiple && (tvht.flags & TVHT_ONITEM) != 0 ) { + m_htClickedItem = (WXHTREEITEM) htItem; + m_ptClick = wxPoint(x, y); + if ( wParam & MK_CONTROL ) { SetFocus(); // toggle selected state - ToggleItemSelection(GetHwnd(), htItem); + ::ToggleItemSelection(GetHwnd(), htItem); ::SetFocus(GetHwnd(), htItem); // reset on any click without Shift - m_htSelStart = 0; + m_htSelStart.Unset(); processed = true; } @@ -2086,12 +2263,14 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) if ( !m_htSelStart ) { // take the focused item - m_htSelStart = (WXHTREEITEM) - TreeView_GetSelection(GetHwnd()); + m_htSelStart = TreeView_GetSelection(GetHwnd()); } - SelectRange(GetHwnd(), HITEM(m_htSelStart), htItem, + if ( m_htSelStart ) + SelectRange(GetHwnd(), HITEM(m_htSelStart), htItem, !(wParam & MK_CONTROL)); + else + ::SelectItem(GetHwnd(), htItem); ::SetFocus(GetHwnd(), htItem); @@ -2101,30 +2280,83 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { // avoid doing anything if we click on the only // currently selected item + + SetFocus(); + wxArrayTreeItemIds selections; size_t count = GetSelections(selections); if ( count == 0 || - count > 1 || - HITEM(selections[0]) != htItem ) + count > 1 || + HITEM(selections[0]) != htItem ) { - // clear the previously selected items - UnselectAll(); - - // prevent the click from starting in-place editing - // which should only happen if we click on the - // already selected item (and nothing else is - // selected) - TreeView_SelectItem(GetHwnd(), 0); + // clear the previously selected items, if the + // user clicked outside of the present selection. + // otherwise, perform the deselection on mouse-up. + // this allows multiple drag and drop to work. + + if (!IsItemSelected(GetHwnd(), htItem)) + { + UnselectAll(); + + // prevent the click from starting in-place editing + // which should only happen if we click on the + // already selected item (and nothing else is + // selected) + + TreeView_SelectItem(GetHwnd(), 0); + ::SelectItem(GetHwnd(), htItem); + } + ::SetFocus(GetHwnd(), htItem); + processed = true; } // reset on any click without Shift - m_htSelStart = 0; + m_htSelStart.Unset(); } } break; #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE case WM_MOUSEMOVE: +#ifndef __WXWINCE__ + if ( m_htClickedItem ) + { + int cx = abs(m_ptClick.x - x); + int cy = abs(m_ptClick.y - y); + + if ( cx > GetSystemMetrics( SM_CXDRAG ) || cy > GetSystemMetrics( SM_CYDRAG ) ) + { + HWND pWnd = ::GetParent( GetHwnd() ); + if ( pWnd ) + { + NM_TREEVIEW tv; + + tv.hdr.hwndFrom = GetHwnd(); + tv.hdr.idFrom = ::GetWindowLong( GetHwnd(), GWL_ID ); + tv.hdr.code = TVN_BEGINDRAG; + + tv.itemNew.hItem = HITEM(m_htClickedItem); + + TVITEM tviAux; + ZeroMemory(&tviAux, sizeof(tviAux)); + tviAux.hItem = HITEM(m_htClickedItem); + tviAux.mask = TVIF_STATE | TVIF_PARAM; + tviAux.stateMask = 0xffffffff; + TreeView_GetItem( GetHwnd(), &tviAux ); + + tv.itemNew.state = tviAux.state; + tv.itemNew.lParam = tviAux.lParam; + + tv.ptDrag.x = x; + tv.ptDrag.y = y; + + ::SendMessage( pWnd, WM_NOTIFY, tv.hdr.idFrom, (LPARAM)&tv ); + } + m_htClickedItem.Unset(); + } + } +#endif // __WXWINCE__ + if ( m_dragImage ) { m_dragImage->Move(wxPoint(x, y)); @@ -2140,6 +2372,27 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) break; case WM_LBUTTONUP: + + // facilitates multiple drag-and-drop + if (htItem && isMultiple) + { + wxArrayTreeItemIds selections; + size_t count = GetSelections(selections); + + if (count > 1 && + !(wParam & MK_CONTROL) && + !(wParam & MK_SHIFT)) + { + UnselectAll(); + TreeView_SelectItem(GetHwnd(), htItem); + ::SelectItem(GetHwnd(), htItem); + ::SetFocus(GetHwnd(), htItem); + } + m_htClickedItem.Unset(); + } + + // fall through + case WM_RBUTTONUP: if ( m_dragImage ) { @@ -2150,7 +2403,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) // generate the drag end event wxTreeEvent event(wxEVT_COMMAND_TREE_END_DRAG, m_windowId); - event.m_item = (WXHTREEITEM)htItem; + event.m_item = htItem; event.m_pointDrag = wxPoint(x, y); event.SetEventObject(this); @@ -2177,9 +2430,9 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) // TreeView_GetItemRect() will return false if item is not visible, // which may happen perfectly well if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]), - &rect, true) ) + &rect, TRUE) ) { - ::InvalidateRect(GetHwnd(), &rect, false); + ::InvalidateRect(GetHwnd(), &rect, FALSE); } } } @@ -2188,84 +2441,145 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) bool bCtrl = wxIsCtrlDown(), bShift = wxIsShiftDown(); - // we handle.arrows and space, but not page up/down and home/end: the - // latter should be easy, but not the former - HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); - if ( !m_htSelStart ) - { - m_htSelStart = (WXHTREEITEM)htSel; - } - - if ( wParam == VK_SPACE ) + switch ( wParam ) { - if ( bCtrl ) - { - ToggleItemSelection(GetHwnd(), htSel); - } - else - { - UnselectAll(); - - ::SelectItem(GetHwnd(), htSel); - } + case VK_SPACE: + if ( bCtrl ) + { + ::ToggleItemSelection(GetHwnd(), htSel); + } + else + { + UnselectAll(); - processed = true; - } - else if ( wParam == VK_UP || wParam == VK_DOWN ) - { - if ( !bCtrl && !bShift ) - { - // no modifiers, just clear selection and then let the default - // processing to take place - UnselectAll(); - } - else if ( htSel ) - { - (void)wxControl::MSWWindowProc(nMsg, wParam, lParam); + ::SelectItem(GetHwnd(), htSel); + } - HTREEITEM htNext = (HTREEITEM)(wParam == VK_UP - ? TreeView_GetPrevVisible(GetHwnd(), htSel) - : TreeView_GetNextVisible(GetHwnd(), htSel)); + processed = true; + break; - if ( !htNext ) + case VK_UP: + case VK_DOWN: + if ( !bCtrl && !bShift ) { - // at the top/bottom - htNext = htSel; + // no modifiers, just clear selection and then let the default + // processing to take place + UnselectAll(); } - - if ( bShift ) + else if ( htSel ) { - SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext); + (void)wxControl::MSWWindowProc(nMsg, wParam, lParam); + + HTREEITEM htNext = (HTREEITEM) + TreeView_GetNextItem + ( + GetHwnd(), + htSel, + wParam == VK_UP ? TVGN_PREVIOUSVISIBLE + : TVGN_NEXTVISIBLE + ); + + if ( !htNext ) + { + // at the top/bottom + htNext = htSel; + } + + if ( bShift ) + { + if ( !m_htSelStart ) + m_htSelStart = htSel; + + SelectRange(GetHwnd(), HITEM(m_htSelStart), htNext); + } + else // bCtrl + { + // without changing selection + ::SetFocus(GetHwnd(), htNext); + } + + processed = true; } - else // bCtrl + break; + + case VK_HOME: + case VK_END: + case VK_PRIOR: + case VK_NEXT: + // TODO: handle Shift/Ctrl with these keys + if ( !bCtrl && !bShift ) { - // without changing selection - ::SetFocus(GetHwnd(), htNext); + UnselectAll(); + + m_htSelStart.Unset(); } + } + } +#endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE + else if ( nMsg == WM_COMMAND ) + { + // if we receive a EN_KILLFOCUS command from the in-place edit control + // used for label editing, make sure to end editing + WORD id, cmd; + WXHWND hwnd; + UnpackCommand(wParam, lParam, &id, &hwnd, &cmd); + + if ( cmd == EN_KILLFOCUS ) + { + if ( m_textCtrl && m_textCtrl->GetHandle() == hwnd ) + { + DoEndEditLabel(); processed = true; } } } -#endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE - else if ( nMsg == WM_CHAR ) + + if ( !processed ) + rc = wxControl::MSWWindowProc(nMsg, wParam, lParam); + + return rc; +} + +WXLRESULT +wxTreeCtrl::MSWDefWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) +{ + // default WM_RBUTTONDOWN handler enters modal loop inside DefWindowProc() + // waiting for WM_RBUTTONUP and then sends the resulting WM_CONTEXTMENU to + // the parent window, not us, which completely breaks everything so simply + // don't let it see this message at all + if ( nMsg == WM_RBUTTONDOWN ) + return 0; + + // but because of the above we don't get NM_RCLICK which is normally + // generated by tree window proc when the modal loop mentioned above ends + // because the mouse is released -- synthesize it ourselves instead + if ( nMsg == WM_RBUTTONUP ) + { + NMHDR hdr; + hdr.hwndFrom = GetHwnd(); + hdr.idFrom = GetId(); + hdr.code = NM_RCLICK; + + WXLPARAM rc; + MSWOnNotify(GetId(), (LPARAM)&hdr, &rc); + + // continue as usual + } + + if ( nMsg == WM_CHAR ) { - // don't let the control process Space and Return keys because it + // also don't let the control process Space and Return keys because it // doesn't do anything useful with them anyhow but always beeps // annoyingly when it receives them and there is no way to turn it off // simply if you just process TREEITEM_ACTIVATED event to which Space // and Enter presses are mapped in your code if ( wParam == VK_SPACE || wParam == VK_RETURN ) - { - processed = true; - } + return 0; } - if ( !processed ) - rc = wxControl::MSWWindowProc(nMsg, wParam, lParam); - - return rc; + return wxControl::MSWDefWindowProc(nMsg, wParam, lParam); } // process WM_NOTIFY Windows message @@ -2289,7 +2603,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; - event.m_item = (WXHTREEITEM) tv->itemNew.hItem; + event.m_item = tv->itemNew.hItem; event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y); // don't allow dragging by default: the user code must @@ -2304,7 +2618,11 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT; TV_DISPINFO *info = (TV_DISPINFO *)lParam; - event.m_item = (WXHTREEITEM) info->item.hItem; + // although the user event handler may still veto it, it is + // important to set it now so that calls to SetItemText() from + // the event handler would change the text controls contents + m_idEdited = + event.m_item = info->item.hItem; event.m_label = info->item.pszText; event.m_editCancelled = false; } @@ -2315,12 +2633,16 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) eventType = wxEVT_COMMAND_TREE_DELETE_ITEM; NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; - event.m_item = (WXHTREEITEM)tv->itemOld.hItem; + event.m_item = tv->itemOld.hItem; if ( m_hasAnyAttr ) { - delete (wxTreeItemAttr *)m_attrs. - Delete((long)tv->itemOld.hItem); + wxMapTreeAttr::iterator it = m_attrs.find(tv->itemOld.hItem); + if ( it != m_attrs.end() ) + { + delete it->second; + m_attrs.erase(it); + } } } break; @@ -2330,19 +2652,38 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT; TV_DISPINFO *info = (TV_DISPINFO *)lParam; - event.m_item = (WXHTREEITEM)info->item.hItem; + event.m_item = info->item.hItem; event.m_label = info->item.pszText; - if (info->item.pszText == NULL) - { - event.m_editCancelled = true; - } - else - { - event.m_editCancelled = false; - } + event.m_editCancelled = info->item.pszText == NULL; + break; + } + +#ifndef __WXWINCE__ + // These *must* not be removed or TVN_GETINFOTIP will + // not be processed each time the mouse is moved + // and the tooltip will only ever update once. + case TTN_NEEDTEXTA: + case TTN_NEEDTEXTW: + { + *result = 0; + break; } +#ifdef TVN_GETINFOTIP + case TVN_GETINFOTIP: + { + eventType = wxEVT_COMMAND_TREE_ITEM_GETTOOLTIP; + NMTVGETINFOTIP *info = (NMTVGETINFOTIP*)lParam; + + // Which item are we trying to get a tooltip for? + event.m_item = info->hItem; + + break; + } +#endif +#endif + case TVN_GETDISPINFO: eventType = wxEVT_COMMAND_TREE_GET_INFO; // fall through @@ -2355,7 +2696,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) TV_DISPINFO *info = (TV_DISPINFO *)lParam; - event.m_item = (WXHTREEITEM) info->item.hItem; + event.m_item = info->item.hItem; break; } @@ -2385,7 +2726,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) eventType = gs_expandEvents[what][how]; - event.m_item = (WXHTREEITEM) tv->itemNew.hItem; + event.m_item = tv->itemNew.hItem; } break; @@ -2397,8 +2738,8 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // fabricate the lParam and wParam parameters sufficiently // similar to the ones from a "real" WM_KEYDOWN so that // CreateKeyEvent() works correctly - WXLPARAM lParam = - (::GetKeyState(VK_MENU) & 0x100 ? KF_ALTDOWN : 0) << 16; + const bool isAltDown = ::GetKeyState(VK_MENU) < 0; + WXLPARAM lParam = (isAltDown ? KF_ALTDOWN : 0) << 16; WXWPARAM wParam = info->wVKey; @@ -2416,7 +2757,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) wParam); // a separate event for Space/Return - if ( !wxIsCtrlDown() && !wxIsShiftDown() && + if ( !wxIsCtrlDown() && !wxIsShiftDown() && !isAltDown && ((info->wVKey == VK_SPACE) || (info->wVKey == VK_RETURN)) ) { wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, @@ -2433,7 +2774,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } break; - // NB: MSLU is broken and sends TVN_SELCHANGEDA instead of + // NB: MSLU is broken and sends TVN_SELCHANGEDA instead of // TVN_SELCHANGEDW in Unicode mode under Win98. Therefore // we have to handle both messages: case TVN_SELCHANGEDA: @@ -2448,23 +2789,25 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) eventType = wxEVT_COMMAND_TREE_SEL_CHANGING; //else: already set above - if (hdr->code == TVN_SELCHANGINGW || + if (hdr->code == TVN_SELCHANGINGW || hdr->code == TVN_SELCHANGEDW) { NM_TREEVIEWW* tv = (NM_TREEVIEWW *)lParam; - event.m_item = (WXHTREEITEM) tv->itemNew.hItem; - event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; + event.m_item = tv->itemNew.hItem; + event.m_itemOld = tv->itemOld.hItem; } else { NM_TREEVIEWA* tv = (NM_TREEVIEWA *)lParam; - event.m_item = (WXHTREEITEM) tv->itemNew.hItem; - event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; + event.m_item = tv->itemNew.hItem; + event.m_itemOld = tv->itemOld.hItem; } } break; -#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) + // instead of explicitly checking for _WIN32_IE, check if the + // required symbols are available in the headers +#if defined(CDDS_PREPAINT) && !wxUSE_COMCTL32_SAFELY case NM_CUSTOMDRAW: { LPNMTVCUSTOMDRAW lptvcd = (LPNMTVCUSTOMDRAW)lParam; @@ -2480,70 +2823,54 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) case CDDS_ITEMPREPAINT: { - wxTreeItemAttr *attr = - (wxTreeItemAttr *)m_attrs.Get(nmcd.dwItemSpec); + wxMapTreeAttr::iterator + it = m_attrs.find((void *)nmcd.dwItemSpec); - if ( !attr ) + if ( it == m_attrs.end() ) { // nothing to do for this item *result = CDRF_DODEFAULT; break; } - HFONT hFont; - if ( attr->HasFont() ) - { - hFont = GetHfontOf(attr->GetFont()); - } - else - { - hFont = 0; - } - - wxColour colText; - if ( attr->HasTextColour() ) - { - colText = attr->GetTextColour(); - } - else - { - colText = GetForegroundColour(); - } + wxTreeItemAttr * const attr = it->second; - // selection colours should override ours - if ( nmcd.uItemState & CDIS_SELECTED ) - { - lptvcd->clrTextBk = - ::GetSysColor(COLOR_HIGHLIGHT); - lptvcd->clrText = - ::GetSysColor(COLOR_HIGHLIGHTTEXT); - } - else // !selected + // selection colours should override ours, + // otherwise it is too confusing ot the user + if ( !(nmcd.uItemState & CDIS_SELECTED) ) { wxColour colBack; if ( attr->HasBackgroundColour() ) { colBack = attr->GetBackgroundColour(); + lptvcd->clrTextBk = wxColourToRGB(colBack); } - else + } + + // but we still want to keep the special foreground + // colour when we don't have focus (we can't keep + // it when we do, it would usually be unreadable on + // the almost inverted bg colour...) + if ( !(nmcd.uItemState & CDIS_SELECTED) || + FindFocus() != this ) + { + wxColour colText; + if ( attr->HasTextColour() ) { - colBack = GetBackgroundColour(); + colText = attr->GetTextColour(); + lptvcd->clrText = wxColourToRGB(colText); } - - lptvcd->clrText = wxColourToRGB(colText); - lptvcd->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 ) + if ( attr->HasFont() ) { + HFONT hFont = GetHfontOf(attr->GetFont()); + ::SelectObject(nmcd.hdc, hFont); *result = CDRF_NEWFONT; } - else + else // no specific font { *result = CDRF_DODEFAULT; } @@ -2557,7 +2884,24 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // we always process it return true; -#endif // _WIN32_IE >= 0x300 +#endif // have owner drawn support in headers + + case NM_CLICK: + { + DWORD pos = GetMessagePos(); + POINT point; + point.x = LOWORD(pos); + point.y = HIWORD(pos); + ::MapWindowPoints(HWND_DESKTOP, GetHwnd(), &point, 1); + int flags = 0; + wxTreeItemId item = HitTest(wxPoint(point.x, point.y), flags); + if (flags & wxTREE_HITTEST_ONITEMSTATEICON) + { + event.m_item = item; + eventType = wxEVT_COMMAND_TREE_STATE_IMAGE_CLICK; + } + break; + } case NM_DBLCLK: case NM_RCLICK: @@ -2569,7 +2913,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { if ( tvhti.flags & TVHT_ONITEM ) { - event.m_item = (WXHTREEITEM) tvhti.hItem; + event.m_item = tvhti.hItem; eventType = (int)hdr->code == NM_DBLCLK ? wxEVT_COMMAND_TREE_ITEM_ACTIVATED : wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK; @@ -2612,14 +2956,14 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) wxASSERT_MSG( !m_dragImage, _T("starting to drag once again?") ); m_dragImage = new wxDragImage(*this, event.m_item); - m_dragImage->BeginDrag(wxPoint(0, 0), this); + m_dragImage->BeginDrag(wxPoint(0,0), this); m_dragImage->Show(); } break; case TVN_DELETEITEM: { - // NB: we might process this message using wxWindows event + // NB: we might process this message using wxWidgets event // tables, but due to overhead of wxWin event system we // prefer to do it here ourself (otherwise deleting a tree // with many items is just too slow) @@ -2645,13 +2989,14 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) case TVN_BEGINLABELEDIT: // return true to cancel label editing *result = !event.IsAllowed(); + // set ES_WANTRETURN ( like we do in BeginLabelEdit ) - if(event.IsAllowed()) + if ( event.IsAllowed() ) { HWND hText = TreeView_GetEditControl(GetHwnd()); if(hText != NULL) { - // MBN: if m_textCtrl already has an HWND, it is a stale + // MBN: if m_textCtrl already has an HWND, it is a stale // pointer from a previous edit (because the user // didn't modify the label before dismissing the control, // and TVN_ENDLABELEDIT was not sent), so delete it @@ -2671,6 +3016,10 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) | wxTE_PROCESS_ENTER); } } + else // we had set m_idEdited before + { + m_idEdited.Unset(); + } break; case TVN_ENDLABELEDIT: @@ -2686,6 +3035,20 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) DeleteTextCtrl(); break; +#ifndef __WXWINCE__ +#ifdef TVN_GETINFOTIP + case TVN_GETINFOTIP: + { + // If the user permitted a tooltip change, change it + if (event.IsAllowed()) + { + SetToolTip(event.m_label); + } + } + break; +#endif +#endif + case TVN_SELCHANGING: case TVN_ITEMEXPANDING: // return true to prevent the action from happening @@ -2698,7 +3061,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // comctl32.dll or our code? { NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; - wxTreeItemId id = (WXHTREEITEM)tv->itemNew.hItem; + wxTreeItemId id(tv->itemNew.hItem); int image = GetItemImage(id, wxTreeItemIcon_Expanded); if ( image != -1 ) @@ -2745,6 +3108,48 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) return processed; } -#endif // __WIN95__ +// ---------------------------------------------------------------------------- +// State control. +// ---------------------------------------------------------------------------- + +// why do they define INDEXTOSTATEIMAGEMASK but not the inverse? +#define STATEIMAGEMASKTOINDEX(state) (((state) & TVIS_STATEIMAGEMASK) >> 12) + +void wxTreeCtrl::SetState(const wxTreeItemId& node, int state) +{ + TV_ITEM tvi; + tvi.hItem = (HTREEITEM)node.m_pItem; + tvi.mask = TVIF_STATE; + tvi.stateMask = TVIS_STATEIMAGEMASK; + + // Select the specified state, or -1 == cycle to the next one. + if ( state == -1 ) + { + TreeView_GetItem(GetHwnd(), &tvi); + + state = STATEIMAGEMASKTOINDEX(tvi.state) + 1; + if ( state == m_imageListState->GetImageCount() ) + state = 1; + } + + wxCHECK_RET( state < m_imageListState->GetImageCount(), + _T("wxTreeCtrl::SetState(): item index out of bounds") ); + + tvi.state = INDEXTOSTATEIMAGEMASK(state); + + TreeView_SetItem(GetHwnd(), &tvi); +} + +int wxTreeCtrl::GetState(const wxTreeItemId& node) +{ + TV_ITEM tvi; + tvi.hItem = (HTREEITEM)node.m_pItem; + tvi.mask = TVIF_STATE; + tvi.stateMask = TVIS_STATEIMAGEMASK; + TreeView_GetItem(GetHwnd(), &tvi); + + return STATEIMAGEMASKTOINDEX(tvi.state); +} #endif // wxUSE_TREECTRL +