X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/de6ac3397dbd6ac5011cc9740822cb9b0f545014..020707bba9c960c155f4257d9a027d6aecdae5b8:/src/msw/treectrl.cpp diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index cda27e0311..c2e063711f 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -17,7 +17,7 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "treectrl.h" #endif @@ -36,17 +36,6 @@ // 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" @@ -55,39 +44,17 @@ #include "wx/msw/treectrl.h" #include "wx/msw/dragimag.h" -#ifdef __GNUWIN32_OLD__ - #include "wx/msw/gnuwin32/extra.h" -#endif - -#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 +// include "properly" +#include "wx/msw/wrapcctl.h" -#ifndef TVS_FULLROWSELECT - #define TVS_FULLROWSELECT 0x1000 -#endif +// macros to hide the cast ugliness +// -------------------------------- -// 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 +// ptr is the real item id, i.e. wxTreeItemId::m_pItem +#define HITEM_PTR(ptr) (HTREEITEM)(ptr) -// a macro to hide the ugliness of nested casts -#define HITEM(item) (HTREEITEM)(WXHTREEITEM)(item) +// item here is a wxTreeItemId +#define HITEM(item) HITEM_PTR((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 +97,7 @@ 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; @@ -141,12 +108,15 @@ 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) { - SelectItem(hwndTV, htItem, FALSE); + SelectItem(hwndTV, htItem, false); } static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem) @@ -159,10 +129,10 @@ static inline void ToggleItemSelection(HWND hwndTV, HTREEITEM htItem) static void SelectRange(HWND hwndTV, HTREEITEM htFirst, HTREEITEM htLast, - bool unselectOthers = TRUE) + bool unselectOthers = true) { // find the first (or last) item and select it - bool cont = TRUE; + bool cont = true; HTREEITEM htItem = (HTREEITEM)TreeView_GetRoot(hwndTV); while ( htItem && cont ) { @@ -173,7 +143,7 @@ static void SelectRange(HWND hwndTV, SelectItem(hwndTV, htItem); } - cont = FALSE; + cont = false; } else { @@ -322,6 +292,8 @@ public: private: wxTreeItemData *m_data; + + DECLARE_NO_COPY_CLASS(wxVirtualNode) }; #ifdef __VISUALC__ @@ -331,11 +303,11 @@ private: // a macro to get the virtual root, returns NULL if none #define GET_VIRTUAL_ROOT() ((wxVirtualNode *)m_pVirtualRoot) -// returns TRUE if the item is the virtual root +// returns true if the item is the virtual root #define IS_VIRTUAL_ROOT(item) (HITEM(item) == TVI_ROOT) // a class which encapsulates the tree traversal logic: it vists all (unless -// OnVisit() returns FALSE) items under the given one +// OnVisit() returns false) items under the given one class wxTreeTraversal { public: @@ -345,12 +317,12 @@ public: } // do traverse the tree: visit all items (recursively by default) under the - // given one; return TRUE if all items were traversed or FALSE if the - // traversal was aborted because OnVisit returned FALSE - bool DoTraverse(const wxTreeItemId& root, bool recursively = TRUE); + // given one; return true if all items were traversed or false if the + // traversal was aborted because OnVisit returned false + bool DoTraverse(const wxTreeItemId& root, bool recursively = true); // override this function to do whatever is needed for each item, return - // FALSE to stop traversing + // false to stop traversing virtual bool OnVisit(const wxTreeItemId& item) = 0; protected: @@ -360,6 +332,8 @@ private: bool Traverse(const wxTreeItemId& root, bool recursively); const wxTreeCtrl *m_tree; + + DECLARE_NO_COPY_CLASS(wxTreeTraversal) }; // internal class for getting the selected items @@ -380,7 +354,7 @@ public: // can't visit a virtual node. if ( (GetTree()->GetRootItem() == item) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT)) { - return TRUE; + return true; } #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE @@ -392,13 +366,15 @@ public: m_selections.Add(item); } - return TRUE; + return true; } size_t GetCount() const { return m_selections.GetCount(); } private: wxArrayTreeItemIds& m_selections; + + DECLARE_NO_COPY_CLASS(TraverseSelections) }; // internal class for counting tree items @@ -419,13 +395,15 @@ public: { m_count++; - return TRUE; + return true; } size_t GetCount() const { return m_count; } private: size_t m_count; + + DECLARE_NO_COPY_CLASS(TraverseCounter) }; // ---------------------------------------------------------------------------- @@ -487,13 +465,77 @@ private: // the real client data wxTreeItemData *m_data; + + DECLARE_NO_COPY_CLASS(wxTreeItemIndirectData) }; // ---------------------------------------------------------------------------- // 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 @@ -538,28 +580,28 @@ static /* const */ wxEventType gs_expandEvents[IDX_WHAT_MAX][IDX_HOW_MAX]; bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively) { if ( !OnVisit(root) ) - return FALSE; + return false; return Traverse(root, recursively); } bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively) { - long cookie; + wxTreeItemIdValue cookie; wxTreeItemId child = m_tree->GetFirstChild(root, cookie); while ( child.IsOk() ) { // depth first traversal - if ( recursively && !Traverse(child, TRUE) ) - return FALSE; + if ( recursively && !Traverse(child, true) ) + return false; if ( !OnVisit(child) ) - return FALSE; + return false; child = m_tree->GetNextChild(root, cookie); } - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -570,11 +612,10 @@ void wxTreeCtrl::Init() { m_imageListNormal = NULL; m_imageListState = NULL; - m_ownsImageListNormal = m_ownsImageListState = FALSE; + m_ownsImageListNormal = m_ownsImageListState = false; m_textCtrl = NULL; - m_hasAnyAttr = FALSE; + 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 @@ -595,14 +636,15 @@ bool wxTreeCtrl::Create(wxWindow *parent, { Init(); - if ( !CreateControl(parent, id, pos, size, style, validator, name) ) - return FALSE; + if ( (style & wxBORDER_MASK) == wxBORDER_DEFAULT ) + style |= wxBORDER_SUNKEN; - DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | - TVS_SHOWSELALWAYS; + if ( !CreateControl(parent, id, pos, size, style, validator, name) ) + return false; - if ( m_windowStyle & wxCLIP_SIBLINGS ) - wstyle |= WS_CLIPSIBLINGS; + DWORD exStyle = 0; + DWORD wstyle = MSWGetStyle(m_windowStyle, & exStyle); + wstyle |= WS_TABSTOP | TVS_SHOWSELALWAYS; if ((m_windowStyle & wxTR_NO_LINES) == 0) wstyle |= TVS_HASLINES; @@ -635,9 +677,14 @@ bool wxTreeCtrl::Create(wxWindow *parent, wstyle |= TVS_CHECKBOXES; #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE +#ifndef __WXWINCE__ + // Need so that TVN_GETINFOTIP messages will be sent + wstyle |= TVS_INFOTIP; +#endif + // Create the tree control. if ( !MSWCreateControl(WC_TREEVIEW, wstyle) ) - return FALSE; + return false; #if wxUSE_COMCTL32_SAFELY wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); @@ -671,7 +718,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, // create a mono bitmap of the standard size int x = GetSystemMetrics(SM_CXMENUCHECK); int y = GetSystemMetrics(SM_CYMENUCHECK); - wxImageList imagelistCheckboxes(x, y, FALSE, 2); + wxImageList imagelistCheckboxes(x, y, false, 2); HBITMAP hbmpCheck = CreateBitmap(x, y, // bitmap size 1, // # of color planes 1, // # bits needed for one pixel @@ -710,7 +757,9 @@ bool wxTreeCtrl::Create(wxWindow *parent, SetSize(pos.x, pos.y, size.x, size.y); - return TRUE; + wxSetCCUnicodeFormat(GetHwnd()); + + return true; } wxTreeCtrl::~wxTreeCtrl() @@ -718,13 +767,10 @@ wxTreeCtrl::~wxTreeCtrl() // delete any attributes if ( m_hasAnyAttr ) { - for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() ) - { - delete (wxTreeItemAttr *)node->Data(); - } + WX_CLEAR_HASH_MAP(wxMapTreeAttr, m_attrs); // prevent TVN_DELETEITEM handler from deleting the attributes again! - m_hasAnyAttr = FALSE; + m_hasAnyAttr = false; } DeleteTextCtrl(); @@ -741,21 +787,33 @@ wxTreeCtrl::~wxTreeCtrl() // 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 { - wxCHECK_MSG( tvItem->hItem != TVI_ROOT, FALSE, + wxCHECK_MSG( tvItem->hItem != TVI_ROOT, false, _T("can't retrieve virtual root item") ); if ( !TreeView_GetItem(GetHwnd(), tvItem) ) { wxLogLastError(wxT("TreeView_GetItem")); - return FALSE; + return false; } - return TRUE; + return true; } void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem) @@ -788,7 +846,7 @@ wxImageList *wxTreeCtrl::GetImageList() const wxImageList *wxTreeCtrl::GetStateImageList() const { - return m_imageListNormal; + return m_imageListState; } void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) @@ -805,33 +863,34 @@ void wxTreeCtrl::SetImageList(wxImageList *imageList) delete m_imageListNormal; SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL); - m_ownsImageListNormal = FALSE; + m_ownsImageListNormal = false; } void wxTreeCtrl::SetStateImageList(wxImageList *imageList) { if (m_ownsImageListState) delete m_imageListState; SetAnyImageList(m_imageListState = imageList, TVSIL_STATE); - m_ownsImageListState = FALSE; + m_ownsImageListState = false; } void wxTreeCtrl::AssignImageList(wxImageList *imageList) { SetImageList(imageList); - m_ownsImageListNormal = TRUE; + m_ownsImageListNormal = true; } void wxTreeCtrl::AssignStateImageList(wxImageList *imageList) { SetStateImageList(imageList); - m_ownsImageListState = TRUE; + 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; } @@ -843,24 +902,24 @@ bool wxTreeCtrl::SetBackgroundColour(const wxColour &colour) { #if !wxUSE_COMCTL32_SAFELY if ( !wxWindowBase::SetBackgroundColour(colour) ) - return FALSE; + return false; SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0, colour.GetPixel()); #endif - return TRUE; + return true; } bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) { #if !wxUSE_COMCTL32_SAFELY if ( !wxWindowBase::SetForegroundColour(colour) ) - return FALSE; + return false; SendMessage(GetHwnd(), TVM_SETTEXTCOLOR, 0, colour.GetPixel()); #endif - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -869,6 +928,8 @@ bool wxTreeCtrl::SetForegroundColour(const wxColour &colour) wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), wxT(""), wxT("invalid tree item") ); + wxChar buf[512]; // the size is arbitrary... wxTreeViewItem tvItem(item, TVIF_TEXT); @@ -885,6 +946,8 @@ 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; @@ -900,7 +963,7 @@ 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); } @@ -960,6 +1023,8 @@ 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? @@ -999,21 +1064,37 @@ 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: @@ -1029,7 +1110,7 @@ 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 @@ -1057,6 +1138,8 @@ 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. @@ -1082,6 +1165,8 @@ 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); @@ -1131,7 +1216,7 @@ bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const wxTreeViewItem tvItem(item, TVIF_PARAM); if ( !DoGetItem(&tvItem) ) { - return FALSE; + return false; } wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam; @@ -1141,6 +1226,8 @@ 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; @@ -1151,6 +1238,8 @@ 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; @@ -1181,17 +1270,47 @@ void wxTreeCtrl::RefreshItem(const wxTreeItemId& item) } } +wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const +{ + wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); + + 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 +{ + wxCHECK_MSG( item.IsOk(), wxNullColour, wxT("invalid tree item") ); + + 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 +{ + wxCHECK_MSG( item.IsOk(), wxNullFont, wxT("invalid tree item") ); + + 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); @@ -1202,14 +1321,20 @@ 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); @@ -1219,14 +1344,20 @@ 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); @@ -1240,19 +1371,39 @@ 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 + return false; + } + // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect RECT rect; // 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); @@ -1261,8 +1412,7 @@ 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); @@ -1272,6 +1422,8 @@ 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); @@ -1280,6 +1432,8 @@ 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); @@ -1296,19 +1450,21 @@ 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::GetParent(const wxTreeItemId& item) const +wxTreeItemId wxTreeCtrl::GetItemParent(const wxTreeItemId& item) const { + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); + HTREEITEM hItem; if ( IS_VIRTUAL_ROOT(item) ) @@ -1326,32 +1482,63 @@ wxTreeItemId wxTreeCtrl::GetParent(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((WXHTREEITEM)_cookie); + return wxTreeItemId(cookie); } wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), - long& _cookie) const + wxTreeItemIdValue& cookie) const +{ + wxTreeItemId item(TreeView_GetNextSibling(GetHwnd(), + HITEM(wxTreeItemId(cookie)))); + cookie = item.m_pItem; + + return item; +} + +#if WXWIN_COMPATIBILITY_2_4 + +wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, + long& cookie) const { - wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(GetHwnd(), - HITEM(_cookie))); - _cookie = (long)l; + wxCHECK_MSG( item.IsOk(), wxTreeItemId(), wxT("invalid tree item") ); + + cookie = (long)TreeView_GetChild(GetHwnd(), HITEM(item)); - return l; + return wxTreeItemId((void *)cookie); } +wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), + long& cookie) const +{ + wxTreeItemId item(TreeView_GetNextSibling + ( + GetHwnd(), + HITEM(wxTreeItemId((void *)cookie) + ))); + 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); @@ -1366,31 +1553,35 @@ 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))); } // ---------------------------------------------------------------------------- @@ -1399,6 +1590,8 @@ 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); @@ -1409,6 +1602,8 @@ 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); @@ -1499,22 +1694,26 @@ 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 +#if WXWIN_COMPATIBILITY_2_4 + wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, const wxString& text, int image, int selImage, long insertAfter) { - return DoInsertItem(parent, (WXHTREEITEM)insertAfter, text, + return DoInsertItem(parent, wxTreeItemId((void *)insertAfter), text, image, selImage, NULL); } +#endif // WXWIN_COMPATIBILITY_2_4 + wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, int image, int selectedImage, wxTreeItemData *data) @@ -1528,7 +1727,7 @@ wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, return TVI_ROOT; } - return DoInsertItem(wxTreeItemId((long)(WXHTREEITEM) 0), (long)(WXHTREEITEM) 0, + return DoInsertItem(wxTreeItemId(), wxTreeItemId(), text, image, selectedImage, data); } @@ -1537,7 +1736,7 @@ wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent, int image, int selectedImage, wxTreeItemData *data) { - return DoInsertItem(parent, (WXHTREEITEM) TVI_FIRST, + return DoInsertItem(parent, TVI_FIRST, text, image, selectedImage, data); } @@ -1557,7 +1756,7 @@ wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, wxTreeItemData *data) { // find the item from index - long cookie; + wxTreeItemIdValue cookie; wxTreeItemId idPrev, idCur = GetFirstChild(parent, cookie); while ( index != 0 && idCur.IsOk() ) { @@ -1579,7 +1778,7 @@ wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent, int image, int selectedImage, wxTreeItemData *data) { - return DoInsertItem(parent, (WXHTREEITEM) TVI_LAST, + return DoInsertItem(parent, TVI_LAST, text, image, selectedImage, data); } @@ -1594,13 +1793,13 @@ 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); } @@ -1608,7 +1807,7 @@ 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_PTR(children[n])) ) { wxLogLastError(wxT("TreeView_DeleteItem")); } @@ -1617,8 +1816,14 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) void wxTreeCtrl::DeleteAllItems() { - // delete stored root item. - delete GET_VIRTUAL_ROOT(); + // delete the "virtual" root item. + if ( GET_VIRTUAL_ROOT() ) + { + delete GET_VIRTUAL_ROOT(); + m_pVirtualRoot = NULL; + } + + // and all the real items if ( !TreeView_DeleteAllItems(GetHwnd()) ) { @@ -1687,10 +1892,12 @@ 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() { @@ -1698,7 +1905,7 @@ void wxTreeCtrl::Unselect() wxT("doesn't make sense, may be you want UnselectAll()?") ); // just remove the selection - SelectItem(wxTreeItemId((long) (WXHTREEITEM) 0)); + SelectItem(wxTreeItemId()); } void wxTreeCtrl::UnselectAll() @@ -1710,9 +1917,9 @@ void wxTreeCtrl::UnselectAll() for ( size_t n = 0; n < count; n++ ) { #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE - SetItemCheck(selections[n], FALSE); + SetItemCheck(HITEM_PTR(selections[n]), false); #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE - ::UnselectItem(GetHwnd(), HITEM(selections[n])); + ::UnselectItem(GetHwnd(), HITEM_PTR(selections[n])); #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE } } @@ -1723,19 +1930,22 @@ 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 @@ -1751,7 +1961,7 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item) { wxLogLastError(wxT("TreeView_SelectItem")); } - else + else // ok { event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED); (void)GetEventHandler()->ProcessEvent(event); @@ -1761,6 +1971,16 @@ void wxTreeCtrl::SelectItem(const wxTreeItemId& item) } } +void wxTreeCtrl::UnselectItem(const wxTreeItemId& item) +{ + SelectItem(item, false); +} + +void wxTreeCtrl::ToggleItemSelection(const wxTreeItemId& item) +{ + SelectItem(item, !IsSelected(item)); +} + void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) { // no error return @@ -1796,6 +2016,8 @@ void wxTreeCtrl::DeleteTextCtrl() m_textCtrl->SetHWND(0); delete m_textCtrl; m_textCtrl = NULL; + + m_idEdited.Unset(); } } @@ -1806,11 +2028,12 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item, DeleteTextCtrl(); + m_idEdited = item; m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), HITEM(item)); // this is not an error - the TVN_BEGINLABELEDIT handler might have - // returned FALSE + // returned false if ( !hWnd ) { delete m_textCtrl; @@ -1858,7 +2081,7 @@ 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, @@ -1866,17 +2089,24 @@ 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) ) { rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom)); - return TRUE; + return true; } else { // couldn't retrieve rect: for example, item isn't visible - return FALSE; + return false; } } @@ -1925,6 +2155,8 @@ int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1, 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!) @@ -1963,27 +2195,27 @@ bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id) else { // nothing done - return FALSE; + return false; } // command processed - return TRUE; + return true; } // we hook into WndProc to process WM_MOUSEMOVE/WM_BUTTONUP messages - as we // 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 processed = false; + WXLRESULT rc = 0; bool isMultiple = (GetWindowStyle() & wxTR_MULTIPLE) != 0; if ( (nMsg >= WM_MOUSEFIRST) && (nMsg <= WM_MOUSELAST) ) { - // we only process mouse messages here and these parameters have the same - // meaning for all of them + // 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); @@ -1991,10 +2223,10 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) 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(); } @@ -2014,14 +2246,14 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) 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; + processed = true; } else if ( wParam & MK_SHIFT ) { @@ -2031,8 +2263,7 @@ 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, @@ -2040,20 +2271,44 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) ::SetFocus(GetHwnd(), htItem); - processed = TRUE; + processed = true; } else // normal click { - // clear the selection and then let the default handler - // do the job - UnselectAll(); + // avoid doing anything if we click on the only + // currently selected item + + wxArrayTreeItemIds selections; + size_t count = GetSelections(selections); + if ( count == 0 || + count > 1 || + HITEM_PTR(selections[0]) != htItem ) + { + // 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)) + { + ::SetFocus(GetHwnd(), htItem); + } + else + { + UnselectAll(); - // prevent the click from starting in-place editing - // when there was no selection in the control - TreeView_SelectItem(GetHwnd(), 0); + // 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); + } + } // reset on any click without Shift - m_htSelStart = 0; + m_htSelStart.Unset(); } } break; @@ -2075,6 +2330,24 @@ 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); + } + } + + // fall through + case WM_RBUTTONUP: if ( m_dragImage ) { @@ -2085,7 +2358,7 @@ 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); @@ -2109,12 +2382,12 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) RECT rect; for ( size_t n = 0; n < count; n++ ) { - // TreeView_GetItemRect() will return FALSE if item is not visible, + // TreeView_GetItemRect() will return false if item is not visible, // which may happen perfectly well - if ( TreeView_GetItemRect(GetHwnd(), HITEM(selections[n]), - &rect, TRUE) ) + if ( TreeView_GetItemRect(GetHwnd(), HITEM_PTR(selections[n]), + &rect, true) ) { - ::InvalidateRect(GetHwnd(), &rect, FALSE); + ::InvalidateRect(GetHwnd(), &rect, false); } } } @@ -2129,14 +2402,14 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) HTREEITEM htSel = (HTREEITEM)TreeView_GetSelection(GetHwnd()); if ( !m_htSelStart ) { - m_htSelStart = (WXHTREEITEM)htSel; + m_htSelStart = htSel; } if ( wParam == VK_SPACE ) { if ( bCtrl ) { - ToggleItemSelection(GetHwnd(), htSel); + ::ToggleItemSelection(GetHwnd(), htSel); } else { @@ -2145,7 +2418,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) ::SelectItem(GetHwnd(), htSel); } - processed = TRUE; + processed = true; } else if ( wParam == VK_UP || wParam == VK_DOWN ) { @@ -2179,11 +2452,24 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) ::SetFocus(GetHwnd(), htNext); } - processed = TRUE; + processed = true; } } } #endif // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE + else if ( nMsg == WM_CHAR ) + { + // 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; + } + } + if ( !processed ) rc = wxControl::MSWWindowProc(nMsg, wParam, lParam); @@ -2211,7 +2497,7 @@ 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 @@ -2226,8 +2512,9 @@ 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; + event.m_item = info->item.hItem; event.m_label = info->item.pszText; + event.m_editCancelled = false; } break; @@ -2236,12 +2523,16 @@ 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; @@ -2251,12 +2542,35 @@ 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) - return 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; + } + + 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 case TVN_GETDISPINFO: eventType = wxEVT_COMMAND_TREE_GET_INFO; @@ -2270,7 +2584,7 @@ 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; } @@ -2295,12 +2609,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) break; } - int how = (int)hdr->code == TVN_ITEMEXPANDING ? IDX_DOING - : IDX_DONE; + int how = hdr->code == TVN_ITEMEXPANDING ? IDX_DOING + : IDX_DONE; eventType = gs_expandEvents[what][how]; - event.m_item = (WXHTREEITEM) tv->itemNew.hItem; + event.m_item = tv->itemNew.hItem; } break; @@ -2313,7 +2627,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // similar to the ones from a "real" WM_KEYDOWN so that // CreateKeyEvent() works correctly WXLPARAM lParam = - (::GetKeyState(VK_MENU) & 0x100 ? KF_ALTDOWN : 0) << 16; + (::GetKeyState(VK_MENU) < 0 ? KF_ALTDOWN : 0) << 16; WXWPARAM wParam = info->wVKey; @@ -2348,24 +2662,40 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } break; - case TVN_SELCHANGED: + // 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: + case TVN_SELCHANGEDW: eventType = wxEVT_COMMAND_TREE_SEL_CHANGED; // fall through - case TVN_SELCHANGING: + case TVN_SELCHANGINGA: + case TVN_SELCHANGINGW: { if ( eventType == wxEVT_NULL ) eventType = wxEVT_COMMAND_TREE_SEL_CHANGING; //else: already set above - NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; - - event.m_item = (WXHTREEITEM) tv->itemNew.hItem; - event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; + if (hdr->code == TVN_SELCHANGINGW || + hdr->code == TVN_SELCHANGEDW) + { + NM_TREEVIEWW* tv = (NM_TREEVIEWW *)lParam; + event.m_item = tv->itemNew.hItem; + event.m_itemOld = tv->itemOld.hItem; + } + else + { + NM_TREEVIEWA* tv = (NM_TREEVIEWA *)lParam; + 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; @@ -2381,73 +2711,54 @@ 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; - wxColour colText, colBack; - if ( attr->HasFont() ) - { - wxFont font = attr->GetFont(); - hFont = (HFONT)font.GetResourceHandle(); - } - else - { - hFont = 0; - } - - if ( attr->HasTextColour() ) - { - colText = attr->GetTextColour(); - } - else - { - colText = GetForegroundColour(); - } - - // selection colours should override ours - if ( nmcd.uItemState & CDIS_SELECTED ) - { - DWORD clrBk = ::GetSysColor(COLOR_HIGHLIGHT); - lptvcd->clrTextBk = clrBk; + wxTreeItemAttr * const attr = it->second; - // try to make the text visible - lptvcd->clrText = wxColourToRGB(colText); - lptvcd->clrText |= ~clrBk; - lptvcd->clrText &= 0x00ffffff; - } - else + // 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; } @@ -2460,8 +2771,25 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } // we always process it - return TRUE; -#endif // _WIN32_IE >= 0x300 + return true; +#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: @@ -2473,7 +2801,7 @@ 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; @@ -2504,7 +2832,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // the return code of this event handler as the return value for // NM_DBLCLK - otherwise, double clicking the item to toggle its // expanded status would never work - *result = FALSE; + *result = false; break; case TVN_BEGINDRAG: @@ -2523,7 +2851,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) 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) @@ -2542,12 +2870,12 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) delete data; // may be NULL, ok } - processed = TRUE; // Make sure we don't get called twice + processed = true; // Make sure we don't get called twice } break; case TVN_BEGINLABELEDIT: - // return TRUE to cancel label editing + // return true to cancel label editing *result = !event.IsAllowed(); // set ES_WANTRETURN ( like we do in BeginLabelEdit ) if(event.IsAllowed()) @@ -2555,7 +2883,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) 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 @@ -2578,21 +2906,33 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) break; case TVN_ENDLABELEDIT: - // return TRUE to set the label to the new string: note that we + // return true to set the label to the new string: note that we // also must pretend that we did process the message or it is going - // to be passed to DefWindowProc() which will happily return FALSE + // to be passed to DefWindowProc() which will happily return false // cancelling the label change *result = event.IsAllowed(); - processed = TRUE; + processed = true; // ensure that we don't have the text ctrl which is going to be // deleted any more DeleteTextCtrl(); break; +#ifndef __WXWINCE__ + case TVN_GETINFOTIP: + { + // If the user permitted a tooltip change, change it + if (event.IsAllowed()) + { + SetToolTip(event.m_label); + } + } + break; +#endif + case TVN_SELCHANGING: case TVN_ITEMEXPANDING: - // return TRUE to prevent the action from happening + // return true to prevent the action from happening *result = !event.IsAllowed(); break; @@ -2602,7 +2942,7 @@ 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 ) @@ -2649,6 +2989,48 @@ 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 +