X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2e4df4bfaf214faac6d4c7519f4aab5b8c7fd287..e8508ea8a890c90e6e72b2579780ca2ccbf40270:/src/msw/treectrl.cpp diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index 8c2580a1d7..438e0129a8 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 @@ -16,6 +16,7 @@ // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- + #ifdef __GNUG__ #pragma implementation "treectrl.h" #endif @@ -27,9 +28,12 @@ #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 @@ -43,6 +47,7 @@ #if defined(__WIN95__) +#include "wx/app.h" #include "wx/log.h" #include "wx/dynarray.h" #include "wx/imaglist.h" @@ -54,7 +59,7 @@ #include "wx/msw/gnuwin32/extra.h" #endif -#if defined(__WIN95__) && !(defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) +#if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__)) #include #endif @@ -71,6 +76,10 @@ #define TVS_CHECKBOXES 0x0100 #endif +#ifndef TVS_FULLROWSELECT + #define TVS_FULLROWSELECT 0x1000 +#endif + // old headers might miss these messages (comctl32.dll 4.71+ only) #ifndef TVM_SETBKCOLOR #define TVM_SETBKCOLOR (TV_FIRST + 29) @@ -88,29 +97,6 @@ // looks quite ugly. #define wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE 0 -// ---------------------------------------------------------------------------- -// events -// ---------------------------------------------------------------------------- - -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_DRAG) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_RDRAG) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_LABEL_EDIT) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_DELETE_ITEM) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_GET_INFO) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SET_INFO) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDED) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_EXPANDING) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSED) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_COLLAPSING) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGED) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_SEL_CHANGING) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_KEY_DOWN) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_ACTIVATED) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_RIGHT_CLICK) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_ITEM_MIDDLE_CLICK) -DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_DRAG) - // ---------------------------------------------------------------------------- // private functions // ---------------------------------------------------------------------------- @@ -130,6 +116,7 @@ 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; @@ -143,7 +130,7 @@ 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; @@ -159,7 +146,7 @@ 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) @@ -172,10 +159,10 @@ 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 ) { @@ -186,7 +173,7 @@ static void SelectRange(HWND hwndTV, SelectItem(hwndTV, htItem); } - cont = FALSE; + cont = false; } else { @@ -305,6 +292,8 @@ 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_; @@ -312,12 +301,43 @@ 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: @@ -327,12 +347,12 @@ 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: @@ -342,6 +362,8 @@ private: bool Traverse(const wxTreeItemId& root, bool recursively); const wxTreeCtrl *m_tree; + + DECLARE_NO_COPY_CLASS(wxTreeTraversal) }; // internal class for getting the selected items @@ -359,6 +381,12 @@ 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 @@ -368,7 +396,7 @@ public: m_selections.Add(item); } - return TRUE; + return true; } size_t GetCount() const { return m_selections.GetCount(); } @@ -391,11 +419,11 @@ public: DoTraverse(root, recursively); } - virtual bool OnVisit(const wxTreeItemId& item) + virtual bool OnVisit(const wxTreeItemId& WXUNUSED(item)) { m_count++; - return TRUE; + return true; } size_t GetCount() const { return m_count; } @@ -414,11 +442,12 @@ 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 @@ -435,10 +464,13 @@ 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 @@ -457,7 +489,10 @@ 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) }; // ---------------------------------------------------------------------------- @@ -467,15 +502,36 @@ private: IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl) // ---------------------------------------------------------------------------- -// variables +// constants // ---------------------------------------------------------------------------- -// handy table for sending events -static const 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 @@ -488,7 +544,7 @@ static const wxEventType g_events[2][2] = bool wxTreeTraversal::DoTraverse(const wxTreeItemId& root, bool recursively) { if ( !OnVisit(root) ) - return FALSE; + return false; return Traverse(root, recursively); } @@ -500,16 +556,16 @@ bool wxTreeTraversal::Traverse(const wxTreeItemId& root, bool recursively) 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; } // ---------------------------------------------------------------------------- @@ -520,12 +576,19 @@ 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 + // 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, @@ -539,10 +602,13 @@ bool wxTreeCtrl::Create(wxWindow *parent, Init(); if ( !CreateControl(parent, id, pos, size, style, validator, name) ) - return FALSE; + return false; DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | - TVS_SHOWSELALWAYS /* | WS_CLIPSIBLINGS */; + TVS_SHOWSELALWAYS; + + if ( m_windowStyle & wxCLIP_SIBLINGS ) + wstyle |= WS_CLIPSIBLINGS; if ((m_windowStyle & wxTR_NO_LINES) == 0) wstyle |= TVS_HASLINES; @@ -555,6 +621,12 @@ 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 && \ @@ -571,13 +643,13 @@ 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 @@ -586,7 +658,7 @@ 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 @@ -605,7 +677,7 @@ 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 @@ -644,7 +716,7 @@ bool wxTreeCtrl::Create(wxWindow *parent, SetSize(pos.x, pos.y, size.x, size.y); - return TRUE; + return true; } wxTreeCtrl::~wxTreeCtrl() @@ -654,18 +726,19 @@ wxTreeCtrl::~wxTreeCtrl() { for ( wxNode *node = m_attrs.Next(); node; node = m_attrs.Next() ) { - delete (wxTreeItemAttr *)node->Data(); + delete (wxTreeItemAttr *)node->GetData(); } // 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; if (m_ownsImageListState) delete m_imageListState; } @@ -678,14 +751,17 @@ 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) @@ -731,28 +807,30 @@ 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, @@ -771,24 +849,24 @@ 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; } // ---------------------------------------------------------------------------- @@ -813,9 +891,26 @@ 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, @@ -871,6 +966,12 @@ 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); @@ -904,6 +1005,12 @@ int wxTreeCtrl::GetItemImage(const wxTreeItemId& item, void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image, wxTreeItemIcon which) { + if ( IS_VIRTUAL_ROOT(item) ) + { + // TODO: Maybe a hidden root can still store images? + return; + } + int imageNormal, imageSel; switch ( which ) { @@ -957,23 +1064,35 @@ 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 ) { @@ -1009,18 +1128,28 @@ 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); @@ -1028,6 +1157,9 @@ 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); @@ -1035,15 +1167,66 @@ 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 +{ + long id = (long)(WXHTREEITEM)item; + wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); + if ( !attr ) + { + return wxNullColour; + } + + return attr->GetTextColour(); +} + +wxColour wxTreeCtrl::GetItemBackgroundColour(const wxTreeItemId& item) const +{ + long id = (long)(WXHTREEITEM)item; + wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); + if ( !attr ) + { + return wxNullColour; + } + + return attr->GetBackgroundColour(); +} + +wxFont wxTreeCtrl::GetItemFont(const wxTreeItemId& item) const +{ + long id = (long)(WXHTREEITEM)item; + wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); + if ( !attr ) + { + return wxNullFont; + } + + return attr->GetFont(); +} + void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, const wxColour& col) { - m_hasAnyAttr = TRUE; + m_hasAnyAttr = true; long id = (long)(WXHTREEITEM)item; wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); @@ -1054,12 +1237,14 @@ void wxTreeCtrl::SetItemTextColour(const wxTreeItemId& item, } attr->SetTextColour(col); + + RefreshItem(item); } void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, const wxColour& col) { - m_hasAnyAttr = TRUE; + m_hasAnyAttr = true; long id = (long)(WXHTREEITEM)item; wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); @@ -1070,11 +1255,13 @@ void wxTreeCtrl::SetItemBackgroundColour(const wxTreeItemId& item, } attr->SetBackgroundColour(col); + + RefreshItem(item); } void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) { - m_hasAnyAttr = TRUE; + m_hasAnyAttr = true; long id = (long)(WXHTREEITEM)item; wxTreeItemAttr *attr = (wxTreeItemAttr *)m_attrs.Get(id); @@ -1085,6 +1272,8 @@ void wxTreeCtrl::SetItemFont(const wxTreeItemId& item, const wxFont& font) } attr->SetFont(font); + + RefreshItem(item); } // ---------------------------------------------------------------------------- @@ -1093,6 +1282,12 @@ 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; @@ -1100,9 +1295,8 @@ bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const // the HTREEITEM with TVM_GETITEMRECT *(WXHTREEITEM *)&rect = (WXHTREEITEM)item; - // FALSE means get item rect for the whole item, not only text - return SendMessage(GetHwnd(), TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0; - + // false means get item rect for the whole item, not only text + return SendMessage(GetHwnd(), TVM_GETITEMRECT, false, (LPARAM)&rect) != 0; } bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const @@ -1146,6 +1340,10 @@ bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const wxTreeItemId wxTreeCtrl::GetRootItem() const { + // Root may be real (visible) or virtual (hidden). + if ( GET_VIRTUAL_ROOT() ) + return TVI_ROOT; + return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd())); } @@ -1157,9 +1355,26 @@ wxTreeItemId wxTreeCtrl::GetSelection() const return wxTreeItemId((WXHTREEITEM) 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((WXHTREEITEM)hItem); } wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, @@ -1245,6 +1460,8 @@ 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; @@ -1350,7 +1567,16 @@ 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((long)(WXHTREEITEM) 0), (long)(WXHTREEITEM) 0, text, image, selectedImage, data); } @@ -1439,6 +1665,15 @@ 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")); @@ -1453,6 +1688,10 @@ 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 @@ -1469,17 +1708,15 @@ 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 } @@ -1527,7 +1764,7 @@ void wxTreeCtrl::UnselectAll() for ( size_t n = 0; n < count; n++ ) { #if wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE - SetItemCheck(selections[n], FALSE); + SetItemCheck(selections[n], false); #else // !wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE ::UnselectItem(GetHwnd(), HITEM(selections[n])); #endif // wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE/!wxUSE_CHECKBOXES_IN_MULTI_SEL_TREE @@ -1592,26 +1829,8 @@ 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; } @@ -1641,24 +1860,24 @@ 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; } // End label editing, optionally cancelling the edit -void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges) +void wxTreeCtrl::EndEditLabel(const wxTreeItemId& WXUNUSED(item), bool discardChanges) { TreeView_EndEditLabelNow(GetHwnd(), discardChanges); @@ -1706,12 +1925,12 @@ bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item, { 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; } } @@ -1719,14 +1938,37 @@ 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, @@ -1748,7 +1990,7 @@ 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 */); } @@ -1775,11 +2017,11 @@ 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 @@ -1788,21 +2030,35 @@ 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 ) @@ -1819,7 +2075,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) // reset on any click without Shift m_htSelStart = 0; - processed = TRUE; + processed = true; } else if ( wParam & MK_SHIFT ) { @@ -1838,17 +2094,27 @@ 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(); - - // prevent the click from starting in-place editing - // when there was no selection in the control - TreeView_SelectItem(GetHwnd(), 0); + // 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(selections[0]) != htItem ) + { + // clear the previously selected items + UnselectAll(); + + // prevent the click from starting in-place editing + // which should only happen if we click on the + // already selected item (and nothing else is + // selected) + TreeView_SelectItem(GetHwnd(), 0); + } // reset on any click without Shift m_htSelStart = 0; @@ -1907,12 +2173,12 @@ 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) ) + &rect, true) ) { - ::InvalidateRect(GetHwnd(), &rect, FALSE); + ::InvalidateRect(GetHwnd(), &rect, false); } } } @@ -1943,7 +2209,7 @@ long wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) ::SelectItem(GetHwnd(), htSel); } - processed = TRUE; + processed = true; } else if ( wParam == VK_UP || wParam == VK_DOWN ) { @@ -1977,11 +2243,23 @@ 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); @@ -2027,6 +2305,7 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_item = (WXHTREEITEM) info->item.hItem; event.m_label = info->item.pszText; + event.m_editCancelled = false; } break; @@ -2053,7 +2332,13 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) event.m_item = (WXHTREEITEM)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; } @@ -2074,30 +2359,30 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) } 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; + + eventType = gs_expandEvents[what][how]; event.m_item = (WXHTREEITEM) tv->itemNew.hItem; } @@ -2108,7 +2393,26 @@ 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) & 0x100 ? 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() && @@ -2128,36 +2432,50 @@ 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 = (WXHTREEITEM) tv->itemNew.hItem; + event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; + } + else + { + NM_TREEVIEWA* tv = (NM_TREEVIEWA *)lParam; + event.m_item = (WXHTREEITEM) tv->itemNew.hItem; + event.m_itemOld = (WXHTREEITEM) tv->itemOld.hItem; + } } break; -#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY +#if defined(_WIN32_IE) && _WIN32_IE >= 0x300 && !wxUSE_COMCTL32_SAFELY && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) ) 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: { @@ -2167,21 +2485,21 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) if ( !attr ) { // nothing to do for this item - return CDRF_DODEFAULT; + *result = CDRF_DODEFAULT; + break; } 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(); @@ -2194,16 +2512,14 @@ 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(); @@ -2230,16 +2546,16 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) { *result = CDRF_DODEFAULT; } - - return TRUE; } + break; default: *result = CDRF_DODEFAULT; - return TRUE; } } - break; + + // we always process it + return true; #endif // _WIN32_IE >= 0x300 case NM_DBLCLK: @@ -2283,7 +2599,7 @@ 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: @@ -2314,13 +2630,6 @@ 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 { @@ -2328,22 +2637,48 @@ 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 @@ -2352,14 +2687,30 @@ 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 = (WXHTREEITEM)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; @@ -2390,9 +2741,9 @@ bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) // for the other messages the return value is ignored and there is // nothing special to do } - return processed; } #endif // __WIN95__ +#endif // wxUSE_TREECTRL