X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ae090fdb7f4be47466b5728ad37065923b48c8c3..3bf5a59b5e058bebffcf9d87f03550b4ecf93e73:/src/msw/treectrl.cpp?ds=sidebyside diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index ddae7272b4..baaccbd974 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: treectrl.cpp +// Name: src/msw/treectrl.cpp // Purpose: wxTreeCtrl // Author: Julian Smart // Modified by: Vadim Zeitlin to be less MSW-specific on 10.10.98 @@ -16,7 +16,8 @@ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ + +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "treectrl.h" #endif @@ -27,22 +28,15 @@ #pragma hdrstop #endif +#if wxUSE_TREECTRL + #include "wx/msw/private.h" -// Set this to 1 to be _absolutely_ sure that repainting will work for all comctl32.dll versions +// 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" @@ -50,35 +44,17 @@ #include "wx/msw/treectrl.h" #include "wx/msw/dragimag.h" -#ifdef __GNUWIN32_OLD__ - #include "wx/msw/gnuwin32/extra.h" -#endif +// include "properly" +#include "wx/msw/wrapcctl.h" -#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__)) - #include -#endif +// macros to hide the cast ugliness +// -------------------------------- -// Bug in headers, sometimes -#ifndef TVIS_FOCUSED - #define TVIS_FOCUSED 0x0001 -#endif +// ptr is the real item id, i.e. wxTreeItemId::m_pItem +#define HITEM_PTR(ptr) (HTREEITEM)(ptr) -#ifndef TV_FIRST - #define TV_FIRST 0x1100 -#endif - -#ifndef TVS_CHECKBOXES - #define TVS_CHECKBOXES 0x0100 -#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) +// 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 @@ -88,7 +64,6 @@ // looks quite ugly. #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0 - // ---------------------------------------------------------------------------- // private functions // ---------------------------------------------------------------------------- @@ -108,6 +83,7 @@ static HTREEITEM GetItemFromPoint(HWND hwndTV, int x, int y) // wrappers for TreeView_GetItem/TreeView_SetItem static bool IsItemSelected(HWND hwndTV, HTREEITEM hItem) { + TV_ITEM tvi; tvi.mask = TVIF_STATE | TVIF_HANDLE; tvi.stateMask = TVIS_SELECTED; @@ -121,7 +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 void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = true) { TV_ITEM tvi; tvi.mask = TVIF_STATE | TVIF_HANDLE; @@ -137,7 +113,7 @@ static void SelectItem(HWND hwndTV, HTREEITEM hItem, bool select = 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) @@ -150,10 +126,10 @@ 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 ) { @@ -164,7 +140,7 @@ static void SelectRange(HWND hwndTV, SelectItem(hwndTV, htItem); } - cont = FALSE; + cont = false; } else { @@ -283,6 +259,8 @@ struct wxTreeViewItem : public TV_ITEM UINT mask_, // fields which are valid UINT stateMask_ = 0) // for TVIF_STATE only { + wxZeroMemory(*this); + // hItem member is always valid mask = mask_ | TVIF_HANDLE; stateMask = stateMask_; @@ -290,12 +268,43 @@ struct wxTreeViewItem : public TV_ITEM } }; +// wxVirutalNode is used in place of a single root when 'hidden' root is +// specified. +class wxVirtualNode : public wxTreeViewItem +{ +public: + wxVirtualNode(wxTreeItemData *data) + : wxTreeViewItem(TVI_ROOT, 0) + { + m_data = data; + } + + ~wxVirtualNode() + { + delete m_data; + } + + wxTreeItemData *GetData() const { return m_data; } + void SetData(wxTreeItemData *data) { delete m_data; m_data = data; } + +private: + wxTreeItemData *m_data; + + DECLARE_NO_COPY_CLASS(wxVirtualNode) +}; + #ifdef __VISUALC__ #pragma warning( default : 4097 ) #endif +// 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 +#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: @@ -305,12 +314,12 @@ 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: @@ -320,6 +329,8 @@ private: bool Traverse(const wxTreeItemId& root, bool recursively); const wxTreeCtrl *m_tree; + + DECLARE_NO_COPY_CLASS(wxTreeTraversal) }; // internal class for getting the selected items @@ -337,6 +348,12 @@ public: virtual bool OnVisit(const wxTreeItemId& item) { + // can't visit a virtual node. + if ( (GetTree()->GetRootItem() == item) && (GetTree()->GetWindowStyle() & wxTR_HIDE_ROOT)) + { + return true; + } + #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE if ( GetTree()->IsItemChecked(item) ) #else @@ -346,13 +363,15 @@ 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 @@ -373,13 +392,15 @@ public: { m_count++; - return TRUE; + return true; } size_t GetCount() const { return m_count; } private: size_t m_count; + + DECLARE_NO_COPY_CLASS(TraverseCounter) }; // ---------------------------------------------------------------------------- @@ -392,11 +413,12 @@ private: // // There is only one problem with this: when we retrieve the item's data, we // don't know whether we get a pointer to wxTreeItemData or -// wxTreeItemIndirectData. So we have to maintain a list of all items which -// have indirect data inside the listctrl itself. +// wxTreeItemIndirectData. So we always set the item id to an invalid value +// in this class and the code using the client data checks for it and retrieves +// the real client data in this case. // ---------------------------------------------------------------------------- -class wxTreeItemIndirectData +class wxTreeItemIndirectData : public wxTreeItemData { public: // ctor associates this data with the item and the real item data becomes @@ -413,10 +435,13 @@ public: // and set ourselves as the new one tree->SetIndirectItemData(item, this); + + // we must have the invalid value for the item + m_pItem = 0l; } // dtor deletes the associated data as well - ~wxTreeItemIndirectData() { delete m_data; } + virtual ~wxTreeItemIndirectData() { delete m_data; } // accessors // get the real data associated with the item @@ -435,25 +460,111 @@ private: // all the images associated with the item int m_images[wxTreeItemIcon_Max]; + // 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 , , 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 // ---------------------------------------------------------------------------- -// variables +// constants // ---------------------------------------------------------------------------- -// handy table for sending events -static wxEventType g_events[2][2] = +// indices in gs_expandEvents table below +enum +{ + IDX_COLLAPSE, + IDX_EXPAND, + IDX_WHAT_MAX +}; + +enum +{ + IDX_DONE, + IDX_DOING, + IDX_HOW_MAX +}; + +// handy table for sending events - it has to be initialized during run-time +// now so can't be const any more +static /* const */ wxEventType gs_expandEvents[IDX_WHAT_MAX][IDX_HOW_MAX]; + +/* + but logically it's a const table with the following entries: += { { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING }, { wxEVT_COMMAND_TREE_ITEM_EXPANDED, wxEVT_COMMAND_TREE_ITEM_EXPANDING } }; +*/ // ============================================================================ // implementation @@ -466,28 +577,28 @@ static wxEventType g_events[2][2] = 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; } // ---------------------------------------------------------------------------- @@ -498,19 +609,18 @@ 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; - - // Initialize static array of events, because with the new event system, - // they may not be initialized yet. + m_pVirtualRoot = NULL; - g_events[0][0] = wxEVT_COMMAND_TREE_ITEM_COLLAPSED; - g_events[0][1] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING; - g_events[1][0] = wxEVT_COMMAND_TREE_ITEM_EXPANDED; - g_events[1][1] = wxEVT_COMMAND_TREE_ITEM_EXPANDING; + // initialize the global array of events now as it can't be done statically + // with the wxEVT_XXX values being allocated during run-time only + gs_expandEvents[IDX_COLLAPSE][IDX_DONE] = wxEVT_COMMAND_TREE_ITEM_COLLAPSED; + gs_expandEvents[IDX_COLLAPSE][IDX_DOING] = wxEVT_COMMAND_TREE_ITEM_COLLAPSING; + gs_expandEvents[IDX_EXPAND][IDX_DONE] = wxEVT_COMMAND_TREE_ITEM_EXPANDED; + gs_expandEvents[IDX_EXPAND][IDX_DOING] = wxEVT_COMMAND_TREE_ITEM_EXPANDING; } bool wxTreeCtrl::Create(wxWindow *parent, @@ -523,14 +633,15 @@ 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; @@ -543,6 +654,12 @@ bool wxTreeCtrl::Create(wxWindow *parent, if ( m_windowStyle & wxTR_LINES_AT_ROOT ) wstyle |= TVS_LINESATROOT; + if ( m_windowStyle & wxTR_FULL_ROW_HIGHLIGHT ) + { + if ( wxTheApp->GetComCtl32Version() >= 471 ) + wstyle |= TVS_FULLROWSELECT; + } + // using TVS_CHECKBOXES for emulation of a multiselection tree control // doesn't work without the new enough headers #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE && \ @@ -559,13 +676,13 @@ bool wxTreeCtrl::Create(wxWindow *parent, // Create the tree control. if ( !MSWCreateControl(WC_TREEVIEW, wstyle) ) - return FALSE; + return false; #if wxUSE_COMCTL32_SAFELY - wxWindow::SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); wxWindow::SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); #elif 1 - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); #else // This works around a bug in the Windows tree control whereby for some versions @@ -574,7 +691,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, // THIS FIX NOW REVERTED since it caused problems on _other_ systems. // Assume the user has an updated comctl32.dll. ::SendMessage(GetHwnd(), TVM_SETBKCOLOR, 0,-1); - wxWindow::SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + wxWindow::SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); SetForegroundColour(wxWindow::GetParent()->GetForegroundColour()); #endif @@ -593,7 +710,7 @@ 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 @@ -632,7 +749,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, SetSize(pos.x, pos.y, size.x, size.y); - return TRUE; + return true; } wxTreeCtrl::~wxTreeCtrl() @@ -640,18 +757,16 @@ 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(); // delete user data to prevent memory leaks + // also deletes hidden root node storage. DeleteAllItems(); if (m_ownsImageListNormal) delete m_imageListNormal; @@ -666,14 +781,17 @@ wxTreeCtrl::~wxTreeCtrl() bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const { + 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) @@ -706,7 +824,7 @@ wxImageList *wxTreeCtrl::GetImageList() const wxImageList *wxTreeCtrl::GetStateImageList() const { - return m_imageListNormal; + return m_imageListState; } void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) @@ -719,28 +837,30 @@ void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) void wxTreeCtrl::SetImageList(wxImageList *imageList) { - if (m_ownsImageListNormal) delete m_imageListNormal; + if (m_ownsImageListNormal) + 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, @@ -759,24 +879,24 @@ 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; } // ---------------------------------------------------------------------------- @@ -801,9 +921,26 @@ wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) { + if ( IS_VIRTUAL_ROOT(item) ) + return; + wxTreeViewItem tvItem(item, TVIF_TEXT); tvItem.pszText = (wxChar *)text.c_str(); // conversion is ok DoSetItem(&tvItem); + + // when setting the text of the item being edited, the text control should + // be updated to reflect the new text as well, otherwise calling + // SetItemText() in the OnBeginLabelEdit() handler doesn't have any effect + // + // don't use GetEditControl() here because m_textCtrl is not set yet + HWND hwndEdit = TreeView_GetEditControl(GetHwnd()); + if ( hwndEdit ) + { + if ( item == GetSelection() ) + { + ::SetWindowText(hwndEdit, text); + } + } } int wxTreeCtrl::DoGetItemImageFromData(const wxTreeItemId& item, @@ -859,6 +996,12 @@ void wxTreeCtrl::DoSetItemImages(const wxTreeItemId& item, int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, wxTreeItemIcon which) const { + if ( (HITEM(item) == TVI_ROOT) && (m_windowStyle & wxTR_HIDE_ROOT) ) + { + // TODO: Maybe a hidden root can still provide images? + return -1; + } + if ( HasIndirectData(item) ) { return DoGetItemImageFromData(item, which); @@ -892,15 +1035,35 @@ int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, wxTreeItemIcon which) { - int imageNormal, imageSel; + if ( IS_VIRTUAL_ROOT(item) ) + { + // TODO: Maybe a hidden root can still store images? + return; + } + + 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: @@ -916,7 +1079,7 @@ 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 @@ -945,23 +1108,35 @@ void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const { wxTreeViewItem tvItem(item, TVIF_PARAM); - if ( !DoGetItem(&tvItem) ) + + // Hidden root may have data. + if ( IS_VIRTUAL_ROOT(item) ) { - return NULL; + return GET_VIRTUAL_ROOT()->GetData(); } - if ( HasIndirectData(item) ) + // Visible node. + if ( !DoGetItem(&tvItem) ) { - return ((wxTreeItemIndirectData *)tvItem.lParam)->GetData(); + return NULL; } - else + + wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam; + if ( IsDataIndirect(data) ) { - return (wxTreeItemData *)tvItem.lParam; + data = ((wxTreeItemIndirectData *)data)->GetData(); } + + return data; } void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) { + if ( IS_VIRTUAL_ROOT(item) ) + { + GET_VIRTUAL_ROOT()->SetData(data); + } + // first, associate this piece of data with this item if ( data ) { @@ -997,18 +1172,28 @@ void wxTreeCtrl::SetIndirectItemData(const wxTreeItemId& item, // wxTreeItemIndirectData as well wxASSERT_MSG( !HasIndirectData(item), wxT("setting indirect data twice?") ); - SetItemData(item, (wxTreeItemData *)data); - - m_itemsWithIndirectData.Add(item); + SetItemData(item, data); } bool wxTreeCtrl::HasIndirectData(const wxTreeItemId& item) const { - return m_itemsWithIndirectData.Index(item) != wxNOT_FOUND; + // query the item itself + wxTreeViewItem tvItem(item, TVIF_PARAM); + if ( !DoGetItem(&tvItem) ) + { + return false; + } + + wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam; + + return data && IsDataIndirect(data); } void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) { + if ( IS_VIRTUAL_ROOT(item) ) + return; + wxTreeViewItem tvItem(item, TVIF_CHILDREN); tvItem.cChildren = (int)has; DoSetItem(&tvItem); @@ -1016,6 +1201,9 @@ void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) { + if ( IS_VIRTUAL_ROOT(item) ) + return; + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); tvItem.state = bold ? TVIS_BOLD : 0; DoSetItem(&tvItem); @@ -1023,56 +1211,110 @@ void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight) { + if ( IS_VIRTUAL_ROOT(item) ) + return; + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED); tvItem.state = highlight ? TVIS_DROPHILITED : 0; DoSetItem(&tvItem); } +void wxTreeCtrl::RefreshItem(const wxTreeItemId& item) +{ + if ( IS_VIRTUAL_ROOT(item) ) + return; + + wxRect rect; + if ( GetBoundingRect(item, rect) ) + { + RefreshRect(rect); + } +} + +wxColour wxTreeCtrl::GetItemTextColour(const wxTreeItemId& item) const +{ + 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 +{ + 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 +{ + 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; - - 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); + + RefreshItem(item); } void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col) { - m_hasAnyAttr = TRUE; - - 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); + + RefreshItem(item); } void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) { - m_hasAnyAttr = TRUE; - - 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); + + RefreshItem(item); } // ---------------------------------------------------------------------------- @@ -1081,16 +1323,31 @@ void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const { + 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 @@ -1134,45 +1391,91 @@ bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const wxTreeItemId wxTreeCtrl::GetRootItem() const { - return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd())); + // Root may be real (visible) or virtual (hidden). + if ( GET_VIRTUAL_ROOT() ) + return TVI_ROOT; + + 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 { - return wxTreeItemId((WXHTREEITEM) TreeView_GetParent(GetHwnd(), HITEM(item))); + HTREEITEM hItem; + + if ( IS_VIRTUAL_ROOT(item) ) + { + // no parent for the virtual root + hItem = 0; + } + else // normal item + { + hItem = TreeView_GetParent(GetHwnd(), HITEM(item)); + if ( !hItem && HasFlag(wxTR_HIDE_ROOT) ) + { + // the top level items should have the virtual root as their parent + hItem = TVI_ROOT; + } + } + + return wxTreeItemId(hItem); } wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, - long& _cookie) const + wxTreeItemIdValue& cookie) const { // remember the last child returned in 'cookie' - _cookie = (long)TreeView_GetChild(GetHwnd(), HITEM(item)); + cookie = TreeView_GetChild(GetHwnd(), HITEM(item)); + + return wxTreeItemId(cookie); +} - return wxTreeItemId((WXHTREEITEM)_cookie); +wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), + 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 +{ + 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 item(TreeView_GetNextSibling + ( + GetHwnd(), + HITEM(wxTreeItemId((void *)cookie) + ))); + cookie = (long)item.m_pItem; - return l; + return item; } +#endif // WXWIN_COMPATIBILITY_2_4 + wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const { // can this be done more efficiently? - long cookie; + wxTreeItemIdValue cookie; wxTreeItemId childLast, child = GetFirstChild(item, cookie); @@ -1187,31 +1490,31 @@ wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const { - return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(GetHwnd(), HITEM(item))); + return wxTreeItemId(TreeView_GetNextSibling(GetHwnd(), HITEM(item))); } wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const { - return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(GetHwnd(), HITEM(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 { 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 { 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))); } // ---------------------------------------------------------------------------- @@ -1233,6 +1536,8 @@ void wxTreeCtrl::SetItemCheck(const wxTreeItemId& item, bool check) // receive the desired information. wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_STATEIMAGEMASK); + DoGetItem(&tvItem); + // state images are one-based tvItem.state = (check ? 2 : 1) << 12; @@ -1318,27 +1623,40 @@ 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) { - return DoInsertItem(wxTreeItemId((long) (WXHTREEITEM) 0), (long)(WXHTREEITEM) 0, + + if ( m_windowStyle & wxTR_HIDE_ROOT ) + { + // create a virtual root item, the parent for all the others + m_pVirtualRoot = new wxVirtualNode(data); + + return TVI_ROOT; + } + + return DoInsertItem(wxTreeItemId(), wxTreeItemId(), text, image, selectedImage, data); } @@ -1347,7 +1665,7 @@ 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); } @@ -1367,7 +1685,7 @@ 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() ) { @@ -1389,7 +1707,7 @@ 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); } @@ -1404,13 +1722,13 @@ 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); } @@ -1418,7 +1736,7 @@ 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")); } @@ -1427,6 +1745,15 @@ void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) void wxTreeCtrl::DeleteAllItems() { + // 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()) ) { wxLogLastError(wxT("TreeView_DeleteAllItems")); @@ -1441,6 +1768,10 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) flag == TVE_TOGGLE, wxT("Unknown flag in wxTreeCtrl::DoExpand") ); + // A hidden root can be neither expanded nor collapsed. + wxCHECK_RET( !(m_windowStyle & wxTR_HIDE_ROOT) || (HITEM(item) != TVI_ROOT), + wxT("Can't expand/collapse hidden root node!") ) + // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must // emulate them. This behaviour has changed slightly with comctl32.dll // v 4.70 - now it does send them but only the first time. To maintain @@ -1457,17 +1788,15 @@ void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) { wxTreeEvent event(wxEVT_NULL, m_windowId); event.m_item = item; - - bool isExpanded = IsExpanded(item); - event.SetEventObject(this); - // FIXME return value of {EXPAND|COLLAPS}ING event handler is discarded - event.SetEventType(g_events[isExpanded][TRUE]); - GetEventHandler()->ProcessEvent(event); + // note that the {EXPAND|COLLAPS}ING event is sent by TreeView_Expand() + // itself + event.SetEventType(gs_expandEvents[IsExpanded(item) ? IDX_EXPAND + : IDX_COLLAPSE] + [IDX_DONE]); - event.SetEventType(g_events[isExpanded][FALSE]); - GetEventHandler()->ProcessEvent(event); + (void)GetEventHandler()->ProcessEvent(event); } //else: change didn't took place, so do nothing at all } @@ -1492,10 +1821,12 @@ 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() { @@ -1503,7 +1834,7 @@ 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() @@ -1515,9 +1846,9 @@ 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 } } @@ -1580,26 +1911,8 @@ void wxTreeCtrl::ScrollTo(const wxTreeItemId& item) } } -wxTextCtrl* wxTreeCtrl::GetEditControl() const +wxTextCtrl *wxTreeCtrl::GetEditControl() const { - // normally, we could try to do something like this to return something - // even when the editing was started by the user and not by calling - // EditLabel() - but as nobody has asked for this so far and there might be - // problems in the code below, I leave it disabled for now (VZ) -#if 0 - if ( !m_textCtrl ) - { - HWND hwndText = TreeView_GetEditControl(GetHwnd()); - if ( hwndText ) - { - m_textCtrl = new wxTextCtrl(this, -1); - m_textCtrl->Hide(); - m_textCtrl->SetHWND((WXHWND)hwndText); - } - //else: not editing label right now - } -#endif // 0 - return m_textCtrl; } @@ -1629,19 +1942,19 @@ wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item, DeleteTextCtrl(); + 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; + m_textCtrl = NULL; return NULL; } - m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); - m_textCtrl->SetHWND((WXHWND)hWnd); - m_textCtrl->SubclassWin((WXHWND)hWnd); - + // textctrl is subclassed in MSWOnNotify return m_textCtrl; } @@ -1681,7 +1994,7 @@ 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, @@ -1689,17 +2002,24 @@ 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; } } @@ -1707,14 +2027,37 @@ bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item, // sorting stuff // ---------------------------------------------------------------------------- -static int CALLBACK TreeView_CompareCallback(wxTreeItemData *pItem1, - wxTreeItemData *pItem2, - wxTreeCtrl *tree) +// this is just a tiny namespace which is friend to wxTreeCtrl and so can use +// functions such as IsDataIndirect() +class wxTreeSortHelper +{ +public: + static int CALLBACK Compare(LPARAM data1, LPARAM data2, LPARAM tree); + +private: + static wxTreeItemId GetIdFromData(wxTreeCtrl *tree, LPARAM item) + { + wxTreeItemData *data = (wxTreeItemData *)item; + if ( tree->IsDataIndirect(data) ) + { + data = ((wxTreeItemIndirectData *)data)->GetData(); + } + + return data->GetId(); + } +}; + +int CALLBACK wxTreeSortHelper::Compare(LPARAM pItem1, + LPARAM pItem2, + LPARAM htree) { wxCHECK_MSG( pItem1 && pItem2, 0, wxT("sorting tree without data doesn't make sense") ); - return tree->OnCompareItems(pItem1->GetId(), pItem2->GetId()); + wxTreeCtrl *tree = (wxTreeCtrl *)htree; + + return tree->OnCompareItems(GetIdFromData(tree, pItem1), + GetIdFromData(tree, pItem2)); } int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1, @@ -1736,7 +2079,7 @@ void wxTreeCtrl::SortChildren(const wxTreeItemId& item) { TV_SORTCB tvSort; tvSort.hParent = HITEM(item); - tvSort.lpfnCompare = (PFNTVCOMPARE)TreeView_CompareCallback; + tvSort.lpfnCompare = wxTreeSortHelper::Compare; tvSort.lParam = (LPARAM)this; TreeView_SortChildrenCB(GetHwnd(), &tvSort, 0 /* reserved */); } @@ -1763,11 +2106,11 @@ 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 @@ -1776,21 +2119,35 @@ bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id) // instead of passing by wxWin events long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) { - bool processed = FALSE; + bool processed = false; long 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); 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)) + { + UnselectAll(); + } + + // select item and set the focus to the + // newly selected item + ::SelectItem(GetHwnd(), htItem); + ::SetFocus(GetHwnd(), htItem); + break; + #if !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE case WM_LBUTTONDOWN: if ( htItem && isMultiple ) @@ -1805,9 +2162,9 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) ::SetFocus(GetHwnd(), htItem); // reset on any click without Shift - m_htSelStart = 0; + m_htSelStart.Unset(); - processed = TRUE; + processed = true; } else if ( wParam & MK_SHIFT ) { @@ -1817,8 +2174,7 @@ 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, @@ -1826,20 +2182,44 @@ 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; @@ -1861,6 +2241,24 @@ 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 ) { @@ -1871,7 +2269,7 @@ 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); @@ -1895,12 +2293,12 @@ 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); } } } @@ -1915,7 +2313,7 @@ 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 ) @@ -1931,7 +2329,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) ::SelectItem(GetHwnd(), htSel); } - processed = TRUE; + processed = true; } else if ( wParam == VK_UP || wParam == VK_DOWN ) { @@ -1965,11 +2363,23 @@ 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); @@ -1998,7 +2408,7 @@ 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 @@ -2013,8 +2423,9 @@ 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; @@ -2023,12 +2434,16 @@ 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; @@ -2038,10 +2453,16 @@ 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 = true; + } + else + { + event.m_editCancelled = false; + } break; } @@ -2057,37 +2478,37 @@ 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; } case TVN_ITEMEXPANDING: - event.m_code = FALSE; - // fall through - case TVN_ITEMEXPANDED: { NM_TREEVIEW* tv = (NM_TREEVIEW*)lParam; - bool expand = FALSE; + int what; switch ( tv->action ) { + default: + wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND message"), tv->action); + // fall through + case TVE_EXPAND: - expand = TRUE; + what = IDX_EXPAND; break; case TVE_COLLAPSE: - expand = FALSE; + what = IDX_COLLAPSE; break; - - default: - wxLogDebug(wxT("unexpected code %d in TVN_ITEMEXPAND message"), tv->action); } - bool ing = ((int)hdr->code == TVN_ITEMEXPANDING); - eventType = g_events[expand][ing]; + int how = hdr->code == TVN_ITEMEXPANDING ? IDX_DOING + : IDX_DONE; - event.m_item = (WXHTREEITEM) tv->itemNew.hItem; + eventType = gs_expandEvents[what][how]; + + event.m_item = tv->itemNew.hItem; } break; @@ -2096,7 +2517,26 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) eventType = wxEVT_COMMAND_TREE_KEY_DOWN; TV_KEYDOWN *info = (TV_KEYDOWN *)lParam; - event.m_code = wxCharCodeMSWToWX(info->wVKey); + // 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) < 0 ? KF_ALTDOWN : 0) << 16; + + WXWPARAM wParam = info->wVKey; + + int keyCode = wxCharCodeMSWToWX(info->wVKey); + if ( !keyCode ) + { + // wxCharCodeMSWToWX() returns 0 to indicate that this is a + // simple ASCII key + keyCode = wParam; + } + + event.m_evtKey = CreateKeyEvent(wxEVT_KEY_DOWN, + keyCode, + lParam, + wParam); // a separate event for Space/Return if ( !wxIsCtrlDown() && !wxIsShiftDown() && @@ -2116,60 +2556,78 @@ 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 + // 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; NMCUSTOMDRAW& nmcd = lptvcd->nmcd; - switch( nmcd.dwDrawStage ) + switch ( nmcd.dwDrawStage ) { case CDDS_PREPAINT: // if we've got any items with non standard attributes, // notify us before painting each item *result = m_hasAnyAttr ? CDRF_NOTIFYITEMDRAW : CDRF_DODEFAULT; - return TRUE; + break; 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 - return CDRF_DODEFAULT; + *result = CDRF_DODEFAULT; + break; } + wxTreeItemAttr * const attr = it->second; + HFONT hFont; - wxColour colText, colBack; if ( attr->HasFont() ) { - wxFont font = attr->GetFont(); - hFont = (HFONT)font.GetResourceHandle(); + hFont = GetHfontOf(attr->GetFont()); } else { hFont = 0; } + wxColour colText; if ( attr->HasTextColour() ) { colText = attr->GetTextColour(); @@ -2182,16 +2640,14 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // selection colours should override ours if ( nmcd.uItemState & CDIS_SELECTED ) { - DWORD clrBk = ::GetSysColor(COLOR_HIGHLIGHT); - lptvcd->clrTextBk = clrBk; - - // try to make the text visible - lptvcd->clrText = wxColourToRGB(colText); - lptvcd->clrText |= ~clrBk; - lptvcd->clrText &= 0x00ffffff; + lptvcd->clrTextBk = + ::GetSysColor(COLOR_HIGHLIGHT); + lptvcd->clrText = + ::GetSysColor(COLOR_HIGHLIGHTTEXT); } - else + else // !selected { + wxColour colBack; if ( attr->HasBackgroundColour() ) { colBack = attr->GetBackgroundColour(); @@ -2218,17 +2674,34 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { *result = CDRF_DODEFAULT; } - - return TRUE; } + break; default: *result = CDRF_DODEFAULT; - return TRUE; } } -// break; // can never be reached -#endif // _WIN32_IE >= 0x300 + + // we always process it + 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: @@ -2240,7 +2713,7 @@ 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; @@ -2271,7 +2744,7 @@ 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: @@ -2302,13 +2775,6 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) wxTreeItemIndirectData *data = (wxTreeItemIndirectData *) tv->itemOld.lParam; delete data; // can't be NULL here - - m_itemsWithIndirectData.Remove(item); -#if 0 - int iIndex = m_itemsWithIndirectData.Index(item); - wxASSERT( iIndex != wxNOT_FOUND) ; - m_itemsWithIndirectData.wxBaseArray::RemoveAt((size_t)iIndex); -#endif } else { @@ -2316,22 +2782,48 @@ 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()) + { + HWND hText = TreeView_GetEditControl(GetHwnd()); + if(hText != NULL) + { + // 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 + if(m_textCtrl && m_textCtrl->GetHWND() != 0) + DeleteTextCtrl(); + if(!m_textCtrl) + m_textCtrl = new wxTextCtrl(); + m_textCtrl->SetParent(this); + m_textCtrl->SetHWND((WXHWND)hText); + m_textCtrl->SubclassWin((WXHWND)hText); + + // set wxTE_PROCESS_ENTER style for the text control to + // force it to process the Enter presses itself, otherwise + // they could be stolen from it by the dialog + // navigation code + m_textCtrl->SetWindowStyle(m_textCtrl->GetWindowStyle() + | wxTE_PROCESS_ENTER); + } + } 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 @@ -2340,14 +2832,30 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) 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; + case TVN_ITEMEXPANDED: + // the item is not refreshed properly after expansion when it has + // an image depending on the expanded/collapsed state - bug in + // comctl32.dll or our code? + { + NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; + wxTreeItemId id(tv->itemNew.hItem); + + int image = GetItemImage(id, wxTreeItemIcon_Expanded); + if ( image != -1 ) + { + RefreshItem(id); + } + } + break; + case TVN_GETDISPINFO: // NB: so far the user can't set the image himself anyhow, so do it // anyway - but this may change later -// if ( /* !processed && */ 1 ) + //if ( /* !processed && */ 1 ) { wxTreeItemId item = event.m_item; TV_DISPINFO *info = (TV_DISPINFO *)lParam; @@ -2371,16 +2879,58 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) : wxTreeItemIcon_Selected ); } - } + } break; //default: // for the other messages the return value is ignored and there is // nothing special to do } - 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