X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2bda0e173844e8e0f8acf4e8ad8b5c26e5c6fe5d..4e938f5b0bffb7102fe4a3b2ba3baf7d5a067fb4:/src/msw/treectrl.cpp diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp index 647180b317..028f749428 100644 --- a/src/msw/treectrl.cpp +++ b/src/msw/treectrl.cpp @@ -1,927 +1,1107 @@ -/* - * File: TreeCtrl.cpp - * Purpose: Tree control - * Author: Julian Smart - * Created: 1997 - * Updated: - * Copyright: - */ - -/* static const char sccsid[] = "%W% %G%"; */ - +///////////////////////////////////////////////////////////////////////////// +// Name: treectrl.cpp +// Purpose: wxTreeCtrl +// Author: Julian Smart +// Modified by: Vadim Zeitlin to be less MSW-specific on 10.10.98 +// Created: 1997 +// RCS-ID: $Id$ +// Copyright: (c) Julian Smart +// Licence: wxWindows licence +///////////////////////////////////////////////////////////////////////////// + +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- #ifdef __GNUG__ -#pragma implementation "treectrl.h" + #pragma implementation "treectrl.h" #endif // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif +#include "wx/window.h" +#include "wx/msw/private.h" + #ifndef WX_PRECOMP -#include "wx.h" + #include "wx/settings.h" #endif -#include "wx/log.h" +// 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/treectrl.h" -#include "wx/msw/private.h" +#include "wx/log.h" +#include "wx/dynarray.h" +#include "wx/imaglist.h" +#include "wx/msw/treectrl.h" -#ifndef __GNUWIN32__ -#include +#ifdef __GNUWIN32__ +#include "wx/msw/gnuwin32/extra.h" +#endif + +#if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__) + #include #endif // Bug in headers, sometimes #ifndef TVIS_FOCUSED -#define TVIS_FOCUSED 0x0001 + #define TVIS_FOCUSED 0x0001 #endif -static void wxConvertToMSWTreeItem(wxTreeItem& info, TV_ITEM& tvItem); -static void wxConvertFromMSWTreeItem(wxTreeItem& info, TV_ITEM& tvItem, HWND getFullInfo = 0); +// ---------------------------------------------------------------------------- +// private classes +// ---------------------------------------------------------------------------- -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl) -IMPLEMENT_DYNAMIC_CLASS(wxTreeItem, wxObject) +// a convenient wrapper around TV_ITEM struct which adds a ctor +struct wxTreeViewItem : public TV_ITEM +{ + wxTreeViewItem(const wxTreeItemId& item, + UINT mask_, UINT stateMask_ = 0) + { + mask = mask_; + stateMask = stateMask_; + hItem = (HTREEITEM) (WXHTREEITEM) item; + } +}; +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- + +#if !USE_SHARED_LIBRARY + IMPLEMENT_DYNAMIC_CLASS(wxTreeCtrl, wxControl) #endif -wxTreeCtrl::wxTreeCtrl(void) +// ---------------------------------------------------------------------------- +// variables +// ---------------------------------------------------------------------------- + +// handy table for sending events +static const wxEventType g_events[2][2] = +{ + { wxEVT_COMMAND_TREE_ITEM_COLLAPSED, wxEVT_COMMAND_TREE_ITEM_COLLAPSING }, + { wxEVT_COMMAND_TREE_ITEM_EXPANDED, wxEVT_COMMAND_TREE_ITEM_EXPANDING } +}; + +// ============================================================================ +// implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// construction and destruction +// ---------------------------------------------------------------------------- + +void wxTreeCtrl::Init() { - m_imageListNormal = NULL; - m_imageListState = NULL; + m_imageListNormal = NULL; + m_imageListState = NULL; + m_textCtrl = NULL; } -bool wxTreeCtrl::Create(wxWindow *parent, const wxWindowID id, const wxPoint& pos, const wxSize& size, - const long style, const wxValidator& validator, const wxString& name) +bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id, + const wxPoint& pos, const wxSize& size, + long style, const wxValidator& validator, + const wxString& name) { - wxSystemSettings settings; - SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW)); - SetForegroundColour(parent->GetDefaultForegroundColour()); + Init(); + + wxSystemSettings settings; + + SetName(name); + SetValidator(validator); + + m_windowStyle = style; + + SetParent(parent); + + m_windowId = (id == -1) ? NewControlId() : id; - SetName(name); - SetValidator(validator); + DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | TVS_HASLINES | TVS_SHOWSELALWAYS ; - m_imageListNormal = NULL; - m_imageListState = NULL; - int x = pos.x; - int y = pos.y; - int width = size.x; - int height = size.y; + bool want3D; + WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; - m_windowStyle = style; + // Even with extended styles, need to combine with WS_BORDER + // for them to look right. + if ( want3D || wxStyleHasBorder(m_windowStyle) ) + { + wstyle |= WS_BORDER; + } + + if ( m_windowStyle & wxTR_HAS_BUTTONS ) + wstyle |= TVS_HASBUTTONS; + + if ( m_windowStyle & wxTR_EDIT_LABELS ) + wstyle |= TVS_EDITLABELS; + + if ( m_windowStyle & wxTR_LINES_AT_ROOT ) + wstyle |= TVS_LINESATROOT; + + // Create the tree control. + m_hWnd = (WXHWND)::CreateWindowEx + ( + exStyle, + WC_TREEVIEW, + _T(""), + wstyle, + pos.x, pos.y, size.x, size.y, + (HWND)parent->GetHWND(), + (HMENU)m_windowId, + wxGetInstance(), + NULL + ); + + wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create tree ctrl") ); -// SetFont(wxTheFontList->FindOrCreateFont(11, wxSWISS, wxNORMAL, wxNORMAL)); + if ( parent ) + parent->AddChild(this); - SetParent(parent); + SubclassWin(m_hWnd); - if (width <= 0) - width = 100; - if (height <= 0) - height = 30; - if (x < 0) - x = 0; - if (y < 0) - y = 0; + return TRUE; +} - m_windowId = (id == -1) ? NewControlId() : id; +wxTreeCtrl::~wxTreeCtrl() +{ + DeleteTextCtrl(); - DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | TVS_HASLINES | TVS_LINESATROOT; - - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ; + // delete user data to prevent memory leaks + DeleteAllItems(); +} - // Even with extended styles, need to combine with WS_BORDER - // for them to look right. - if (want3D || (m_windowStyle & wxSIMPLE_BORDER) || (m_windowStyle & wxRAISED_BORDER) || - (m_windowStyle & wxSUNKEN_BORDER) || (m_windowStyle & wxDOUBLE_BORDER)) - wstyle |= WS_BORDER; +// ---------------------------------------------------------------------------- +// accessors +// ---------------------------------------------------------------------------- - if ( m_windowStyle & wxTR_HAS_BUTTONS ) - wstyle |= TVS_HASBUTTONS; +// simple wrappers which add error checking in debug mode - if ( m_windowStyle & wxTR_EDIT_LABELS ) - wstyle |= TVS_EDITLABELS; +bool wxTreeCtrl::DoGetItem(wxTreeViewItem* tvItem) const +{ + if ( !TreeView_GetItem(GetHwnd(), tvItem) ) + { + wxLogLastError("TreeView_GetItem"); - // Create the toolbar control. - HWND hWndTreeControl = CreateWindowEx(exStyle, - WC_TREEVIEW, - "", - wstyle, - x, y, width, height, - (HWND) parent->GetHWND(), - (HMENU)m_windowId, - wxGetInstance(), - NULL ); + return FALSE; + } - m_hWnd = (WXHWND) hWndTreeControl; - if (parent) parent->AddChild(this); - - SubclassWin((WXHWND) m_hWnd); + return TRUE; +} - return TRUE; +void wxTreeCtrl::DoSetItem(wxTreeViewItem* tvItem) +{ + if ( TreeView_SetItem(GetHwnd(), tvItem) == -1 ) + { + wxLogLastError("TreeView_SetItem"); + } } -wxTreeCtrl::~wxTreeCtrl(void) +size_t wxTreeCtrl::GetCount() const { - m_textCtrl.SetHWND((WXHWND) NULL); + return (size_t)TreeView_GetCount(GetHwnd()); } -// Attributes -int wxTreeCtrl::GetCount(void) const +unsigned int wxTreeCtrl::GetIndent() const { - return (int) TreeView_GetCount((HWND) GetHWND()); + return TreeView_GetIndent(GetHwnd()); } -int wxTreeCtrl::GetIndent(void) const +void wxTreeCtrl::SetIndent(unsigned int indent) { - return (int) TreeView_GetIndent((HWND) GetHWND()); + TreeView_SetIndent(GetHwnd(), indent); } -void wxTreeCtrl::SetIndent(int indent) +wxImageList *wxTreeCtrl::GetImageList() const { - TreeView_SetIndent((HWND) GetHWND(), indent); + return m_imageListNormal; } -wxImageList *wxTreeCtrl::GetImageList(const int which) const +wxImageList *wxTreeCtrl::GetStateImageList() const { - if ( which == wxIMAGE_LIST_NORMAL ) - { return m_imageListNormal; - } - else if ( which == wxIMAGE_LIST_STATE ) - { - return m_imageListState; - } - return NULL; } -void wxTreeCtrl::SetImageList(wxImageList *imageList, const int which) +void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which) { - int flags = 0; - if ( which == wxIMAGE_LIST_NORMAL ) - { - flags = TVSIL_NORMAL; - m_imageListNormal = imageList; - } - else if ( which == wxIMAGE_LIST_STATE ) + // no error return + TreeView_SetImageList(GetHwnd(), + imageList ? imageList->GetHIMAGELIST() : 0, + which); +} + +void wxTreeCtrl::SetImageList(wxImageList *imageList) +{ + SetAnyImageList(m_imageListNormal = imageList, TVSIL_NORMAL); +} + +void wxTreeCtrl::SetStateImageList(wxImageList *imageList) +{ + SetAnyImageList(m_imageListState = imageList, TVSIL_STATE); +} + +size_t wxTreeCtrl::GetChildrenCount(const wxTreeItemId& item, bool recursively) +{ + long cookie; + + size_t result = 0; + + wxArrayLong children; + wxTreeItemId child = GetFirstChild(item, cookie); + while ( child.IsOk() ) { - flags = TVSIL_STATE; - m_imageListState = imageList; - } - TreeView_SetImageList((HWND) GetHWND(), (HIMAGELIST) imageList ? imageList->GetHIMAGELIST() : 0, flags); + if ( recursively ) + { + // recursive call + result += GetChildrenCount(child, TRUE); + } + + // add the child to the result in any case + result++; + + child = GetNextChild(item, cookie); + } + + return result; } -long wxTreeCtrl::GetNextItem(const long item, int code) const +// ---------------------------------------------------------------------------- +// Item access +// ---------------------------------------------------------------------------- + +wxString wxTreeCtrl::GetItemText(const wxTreeItemId& item) const { - UINT flag = 0; - switch ( code ) - { - case wxTREE_NEXT_CARET: - flag = TVGN_CARET; - break; - case wxTREE_NEXT_CHILD: - flag = TVGN_CHILD; - break; - case wxTREE_NEXT_DROPHILITE: - flag = TVGN_DROPHILITE; - break; - case wxTREE_NEXT_FIRSTVISIBLE: - flag = TVGN_FIRSTVISIBLE; - break; - case wxTREE_NEXT_NEXT: - flag = TVGN_NEXT; - break; - case wxTREE_NEXT_NEXTVISIBLE: - flag = TVGN_NEXTVISIBLE; - break; - case wxTREE_NEXT_PARENT: - flag = TVGN_PARENT; - break; - case wxTREE_NEXT_PREVIOUS: - flag = TVGN_PREVIOUS; - break; - case wxTREE_NEXT_PREVIOUSVISIBLE: - flag = TVGN_PREVIOUSVISIBLE; - break; - case wxTREE_NEXT_ROOT: - flag = TVGN_ROOT; - break; + wxChar buf[512]; // the size is arbitrary... + + wxTreeViewItem tvItem(item, TVIF_TEXT); + tvItem.pszText = buf; + tvItem.cchTextMax = WXSIZEOF(buf); + if ( !DoGetItem(&tvItem) ) + { + // don't return some garbage which was on stack, but an empty string + buf[0] = _T('\0'); + } - default : - break; - } - return (long) TreeView_GetNextItem( (HWND) GetHWND(), (HTREEITEM) item, flag); + return wxString(buf); } -bool wxTreeCtrl::ItemHasChildren(const long item) const +void wxTreeCtrl::SetItemText(const wxTreeItemId& item, const wxString& text) { - TV_ITEM item2; - item2.hItem = (HTREEITEM) item; - item2.mask = TVIF_CHILDREN; - TreeView_GetItem((HWND) GetHWND(), &item2); - return (item2.cChildren != 0); + wxTreeViewItem tvItem(item, TVIF_TEXT); + tvItem.pszText = (wxChar *)text.c_str(); // conversion is ok + DoSetItem(&tvItem); } -long wxTreeCtrl::GetChild(const long item) const +int wxTreeCtrl::GetItemImage(const wxTreeItemId& item) const { - return (long) ::SendMessage((HWND) GetHWND(), TVM_GETNEXTITEM, TVGN_CHILD, (LPARAM)item); + wxTreeViewItem tvItem(item, TVIF_IMAGE); + DoGetItem(&tvItem); + + return tvItem.iImage; } -long wxTreeCtrl::GetParent(const long item) const +void wxTreeCtrl::SetItemImage(const wxTreeItemId& item, int image) { - return (long) ::SendMessage((HWND) GetHWND(), TVM_GETNEXTITEM, TVGN_PARENT, (LPARAM)item); + wxTreeViewItem tvItem(item, TVIF_IMAGE); + tvItem.iImage = image; + DoSetItem(&tvItem); } -long wxTreeCtrl::GetFirstVisibleItem(void) const +int wxTreeCtrl::GetItemSelectedImage(const wxTreeItemId& item) const { - return (long) ::SendMessage((HWND) GetHWND(), TVM_GETNEXTITEM, TVGN_FIRSTVISIBLE, 0); + wxTreeViewItem tvItem(item, TVIF_SELECTEDIMAGE); + DoGetItem(&tvItem); + + return tvItem.iSelectedImage; } -long wxTreeCtrl::GetNextVisibleItem(const long item) const +void wxTreeCtrl::SetItemSelectedImage(const wxTreeItemId& item, int image) { - return (long) ::SendMessage((HWND) GetHWND(), TVM_GETNEXTITEM, TVGN_NEXTVISIBLE, (LPARAM)item); + wxTreeViewItem tvItem(item, TVIF_SELECTEDIMAGE); + tvItem.iSelectedImage = image; + DoSetItem(&tvItem); } -long wxTreeCtrl::GetSelection(void) const +wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const { - return (long) ::SendMessage((HWND) GetHWND(), TVM_GETNEXTITEM, TVGN_CARET, 0); + wxTreeViewItem tvItem(item, TVIF_PARAM); + if ( !DoGetItem(&tvItem) ) + { + return NULL; + } + + return (wxTreeItemData *)tvItem.lParam; } -long wxTreeCtrl::GetRootItem(void) const +void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data) { - return (long) ::SendMessage((HWND) GetHWND(), TVM_GETNEXTITEM, TVGN_ROOT, 0); + wxTreeViewItem tvItem(item, TVIF_PARAM); + tvItem.lParam = (LPARAM)data; + DoSetItem(&tvItem); } -// TODO: convert mask -bool wxTreeCtrl::GetItem(wxTreeItem& info) const +void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has) { - TV_ITEM tvItem; - tvItem.hItem = (HTREEITEM)info.m_itemId; - tvItem.pszText = NULL; - tvItem.mask = 0; - if ( info.m_mask & wxTREE_MASK_TEXT ) - { - tvItem.mask |= TVIF_TEXT; - tvItem.pszText = new char[513]; - tvItem.cchTextMax = 512; - } - if ( info.m_mask & wxTREE_MASK_DATA ) - tvItem.mask |= TVIF_PARAM; + wxTreeViewItem tvItem(item, TVIF_CHILDREN); + tvItem.cChildren = (int)has; + DoSetItem(&tvItem); +} - bool success = TreeView_GetItem((HWND)GetHWND(), &tvItem) != 0; +void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold) +{ + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); + tvItem.state = bold ? TVIS_BOLD : 0; + DoSetItem(&tvItem); +} - if ( !success ) - { - wxLogSysError("TreeView_GetItem failed"); +void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight) +{ + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED); + tvItem.state = highlight ? TVIS_DROPHILITED : 0; + DoSetItem(&tvItem); +} - if (tvItem.pszText) - delete[] tvItem.pszText; +// ---------------------------------------------------------------------------- +// Item status +// ---------------------------------------------------------------------------- - return FALSE; - } +bool wxTreeCtrl::IsVisible(const wxTreeItemId& item) const +{ + // Bug in Gnu-Win32 headers, so don't use the macro TreeView_GetItemRect + RECT rect; + return SendMessage(GetHwnd(), TVM_GETITEMRECT, FALSE, (LPARAM)&rect) != 0; - wxConvertFromMSWTreeItem(info, tvItem); +} - if (tvItem.pszText) - delete[] tvItem.pszText; +bool wxTreeCtrl::ItemHasChildren(const wxTreeItemId& item) const +{ + wxTreeViewItem tvItem(item, TVIF_CHILDREN); + DoGetItem(&tvItem); - return success; + return tvItem.cChildren != 0; } -bool wxTreeCtrl::SetItem(wxTreeItem& info) +bool wxTreeCtrl::IsExpanded(const wxTreeItemId& item) const { - TV_ITEM item; - wxConvertToMSWTreeItem(info, item); - return (::SendMessage((HWND) GetHWND(), TVM_SETITEM, 0, (LPARAM)&item) != 0); + // probably not a good idea to put it here + //wxASSERT( ItemHasChildren(item) ); + + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDED); + DoGetItem(&tvItem); + + return (tvItem.state & TVIS_EXPANDED) != 0; } -int wxTreeCtrl::GetItemState(const long item, const long stateMask) const +bool wxTreeCtrl::IsSelected(const wxTreeItemId& item) const { - wxTreeItem info; + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_SELECTED); + DoGetItem(&tvItem); - info.m_mask = wxTREE_MASK_STATE ; - info.m_stateMask = stateMask; - info.m_itemId = item; + return (tvItem.state & TVIS_SELECTED) != 0; +} - if (!GetItem(info)) - return 0; +bool wxTreeCtrl::IsBold(const wxTreeItemId& item) const +{ + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_BOLD); + DoGetItem(&tvItem); - return info.m_state; + return (tvItem.state & TVIS_BOLD) != 0; } -bool wxTreeCtrl::SetItemState(const long item, const long state, const long stateMask) +// ---------------------------------------------------------------------------- +// navigation +// ---------------------------------------------------------------------------- + +wxTreeItemId wxTreeCtrl::GetRootItem() const { - wxTreeItem info; + return wxTreeItemId((WXHTREEITEM) TreeView_GetRoot(GetHwnd())); +} - info.m_mask = wxTREE_MASK_STATE ; - info.m_state = state; - info.m_stateMask = stateMask; - info.m_itemId = item; +wxTreeItemId wxTreeCtrl::GetSelection() const +{ + return wxTreeItemId((WXHTREEITEM) TreeView_GetSelection(GetHwnd())); +} - return SetItem(info); +wxTreeItemId wxTreeCtrl::GetParent(const wxTreeItemId& item) const +{ + return wxTreeItemId((WXHTREEITEM) TreeView_GetParent(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item)); } -bool wxTreeCtrl::SetItemImage(const long item, const int image, const int selImage) +wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item, + long& _cookie) const { - wxTreeItem info; + // remember the last child returned in 'cookie' + _cookie = (long)TreeView_GetChild(GetHwnd(), (HTREEITEM) (WXHTREEITEM)item); + + return wxTreeItemId((WXHTREEITEM)_cookie); +} - info.m_mask = wxTREE_MASK_IMAGE ; - info.m_image = image; - if ( selImage > -1) - { - info.m_selectedImage = selImage; - info.m_mask |= wxTREE_MASK_SELECTED_IMAGE; - } - info.m_itemId = item; +wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item), + long& _cookie) const +{ + wxTreeItemId l = wxTreeItemId((WXHTREEITEM)TreeView_GetNextSibling(GetHwnd(), + (HTREEITEM)(WXHTREEITEM)_cookie)); + _cookie = (long)l; - return SetItem(info); + return l; } -wxString wxTreeCtrl::GetItemText(const long item) const +wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const { - wxTreeItem info; + // can this be done more efficiently? + long cookie; - info.m_mask = wxTREE_MASK_TEXT ; - info.m_itemId = item; + wxTreeItemId childLast, + child = GetFirstChild(item, cookie); + while ( child.IsOk() ) + { + childLast = child; + child = GetNextChild(item, cookie); + } - if (!GetItem(info)) - return wxString(""); - return info.m_text; + return childLast; } -void wxTreeCtrl::SetItemText(const long item, const wxString& str) +wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const { - wxTreeItem info; + return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item)); +} - info.m_mask = wxTREE_MASK_TEXT ; - info.m_itemId = item; - info.m_text = str; +wxTreeItemId wxTreeCtrl::GetPrevSibling(const wxTreeItemId& item) const +{ + return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevSibling(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item)); +} - SetItem(info); +wxTreeItemId wxTreeCtrl::GetFirstVisibleItem() const +{ + return wxTreeItemId((WXHTREEITEM) TreeView_GetFirstVisible(GetHwnd())); } -long wxTreeCtrl::GetItemData(const long item) const +wxTreeItemId wxTreeCtrl::GetNextVisible(const wxTreeItemId& item) const { - wxTreeItem info; + wxASSERT_MSG( IsVisible(item), _T("The item you call GetNextVisible() " + "for must be visible itself!")); - info.m_mask = wxTREE_MASK_DATA ; - info.m_itemId = item; + return wxTreeItemId((WXHTREEITEM) TreeView_GetNextVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item)); +} - if (!GetItem(info)) - return 0; - return info.m_data; +wxTreeItemId wxTreeCtrl::GetPrevVisible(const wxTreeItemId& item) const +{ + wxASSERT_MSG( IsVisible(item), _T("The item you call GetPrevVisible() " + "for must be visible itself!")); + + return wxTreeItemId((WXHTREEITEM) TreeView_GetPrevVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item)); } -bool wxTreeCtrl::SetItemData(const long item, long data) +// ---------------------------------------------------------------------------- +// Usual operations +// ---------------------------------------------------------------------------- + +wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent, + wxTreeItemId hInsertAfter, + const wxString& text, + int image, int selectedImage, + wxTreeItemData *data) { - wxTreeItem info; + TV_INSERTSTRUCT tvIns; + tvIns.hParent = (HTREEITEM) (WXHTREEITEM)parent; + tvIns.hInsertAfter = (HTREEITEM) (WXHTREEITEM) hInsertAfter; - info.m_mask = wxTREE_MASK_DATA ; - info.m_itemId = item; - info.m_data = data; + // This is how we insert the item as the first child: supply a NULL hInsertAfter + if (tvIns.hInsertAfter == (HTREEITEM) 0) + { + tvIns.hInsertAfter = TVI_FIRST; + } - return SetItem(info); + UINT mask = 0; + if ( !text.IsEmpty() ) + { + mask |= TVIF_TEXT; + tvIns.item.pszText = (wxChar *)text.c_str(); // cast is ok + } + + if ( image != -1 ) + { + mask |= TVIF_IMAGE; + tvIns.item.iImage = image; + + if ( selectedImage == -1 ) + { + // take the same image for selected icon if not specified + selectedImage = image; + } + } + + if ( selectedImage != -1 ) + { + mask |= TVIF_SELECTEDIMAGE; + tvIns.item.iSelectedImage = selectedImage; + } + + if ( data != NULL ) + { + mask |= TVIF_PARAM; + tvIns.item.lParam = (LPARAM)data; + } + + tvIns.item.mask = mask; + + HTREEITEM id = (HTREEITEM) TreeView_InsertItem(GetHwnd(), &tvIns); + if ( id == 0 ) + { + wxLogLastError("TreeView_InsertItem"); + } + + if ( data != NULL ) + { + // associate the application tree item with Win32 tree item handle + data->SetId((WXHTREEITEM)id); + } + + return wxTreeItemId((WXHTREEITEM)id); } -bool wxTreeCtrl::GetItemRect(const long item, wxRectangle& rect, bool textOnly) const +// for compatibility only +wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, + const wxString& text, + int image, int selImage, + long insertAfter) { - RECT rect2; + return DoInsertItem(parent, (WXHTREEITEM)insertAfter, text, + image, selImage, NULL); +} - *(HTREEITEM*)& rect2 = (HTREEITEM) item; - bool success = (::SendMessage((HWND) GetHWND(), TVM_GETITEMRECT, (WPARAM)textOnly, - (LPARAM)&rect2) != 0); +wxTreeItemId wxTreeCtrl::AddRoot(const wxString& text, + int image, int selectedImage, + wxTreeItemData *data) +{ + return DoInsertItem(wxTreeItemId((WXHTREEITEM) 0), (WXHTREEITEM) 0, + text, image, selectedImage, data); +} - rect.x = rect2.left; - rect.y = rect2.top; - rect.width = rect2.right - rect2.left; - rect.height = rect2.bottom - rect2.left; - return success; +wxTreeItemId wxTreeCtrl::PrependItem(const wxTreeItemId& parent, + const wxString& text, + int image, int selectedImage, + wxTreeItemData *data) +{ + return DoInsertItem(parent, (WXHTREEITEM) TVI_FIRST, + text, image, selectedImage, data); } -wxTextCtrl& wxTreeCtrl::GetEditControl(void) const +wxTreeItemId wxTreeCtrl::InsertItem(const wxTreeItemId& parent, + const wxTreeItemId& idPrevious, + const wxString& text, + int image, int selectedImage, + wxTreeItemData *data) { - HWND hWnd = (HWND) TreeView_GetEditControl((HWND) GetHWND()); - ((wxTreeCtrl *)this)->m_textCtrl.SetHWND((WXHWND) hWnd); - return (wxTextCtrl&) m_textCtrl; + return DoInsertItem(parent, idPrevious, text, image, selectedImage, data); } -// Operations -bool wxTreeCtrl::DeleteItem(const long item) +wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent, + const wxString& text, + int image, int selectedImage, + wxTreeItemData *data) { - return (TreeView_DeleteItem((HWND) GetHWND(), (HTREEITEM) item) != 0); + return DoInsertItem(parent, (WXHTREEITEM) TVI_LAST, + text, image, selectedImage, data); } -bool wxTreeCtrl::ExpandItem(const long item, const int action) +void wxTreeCtrl::Delete(const wxTreeItemId& item) { - UINT mswAction = TVE_EXPAND; - switch ( action ) - { - case wxTREE_EXPAND_EXPAND: - mswAction = TVE_EXPAND; - break; - case wxTREE_EXPAND_COLLAPSE: - mswAction = TVE_COLLAPSE; - case wxTREE_EXPAND_COLLAPSE_RESET: - mswAction = TVE_COLLAPSERESET; - case wxTREE_EXPAND_TOGGLE: - mswAction = TVE_TOGGLE; - break; - default : - break; - } - return (TreeView_Expand((HWND) GetHWND(), (HTREEITEM) item, mswAction) != 0); + if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)(WXHTREEITEM)item) ) + { + wxLogLastError("TreeView_DeleteItem"); + } } -long wxTreeCtrl::InsertItem(const long parent, wxTreeItem& info, const long insertAfter) +// delete all children (but don't delete the item itself) +void wxTreeCtrl::DeleteChildren(const wxTreeItemId& item) { - TV_INSERTSTRUCT tvInsertStruct; - tvInsertStruct.hParent = (HTREEITEM) parent ; - tvInsertStruct.hInsertAfter = (HTREEITEM) insertAfter ; + long cookie; + + wxArrayLong children; + wxTreeItemId child = GetFirstChild(item, cookie); + while ( child.IsOk() ) + { + children.Add((long)(WXHTREEITEM)child); - wxConvertToMSWTreeItem(info, tvInsertStruct.item); + child = GetNextChild(item, cookie); + } - return (long) TreeView_InsertItem((HWND) GetHWND(), & tvInsertStruct); + size_t nCount = children.Count(); + for ( size_t n = 0; n < nCount; n++ ) + { + if ( !TreeView_DeleteItem(GetHwnd(), (HTREEITEM)children[n]) ) + { + wxLogLastError("TreeView_DeleteItem"); + } + } } -long wxTreeCtrl::InsertItem(const long parent, const wxString& label, const int image, const int selImage, - const long insertAfter) +void wxTreeCtrl::DeleteAllItems() { - wxTreeItem info; - info.m_text = label; - info.m_mask = wxTREE_MASK_TEXT; - if ( image > -1 ) - { - info.m_mask |= wxTREE_MASK_IMAGE | wxTREE_MASK_SELECTED_IMAGE; - info.m_image = image; - if ( selImage == -1 ) - info.m_selectedImage = image; - else - info.m_selectedImage = selImage; - } + if ( !TreeView_DeleteAllItems(GetHwnd()) ) + { + wxLogLastError("TreeView_DeleteAllItems"); + } +} + +void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag) +{ + wxASSERT_MSG( flag == TVE_COLLAPSE || + flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) || + flag == TVE_EXPAND || + flag == TVE_TOGGLE, + _T("Unknown flag in wxTreeCtrl::DoExpand") ); + + // 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 + // compatible behaviour and also in order to not have surprises with the + // future versions, don't rely on this and still do everything ourselves. + // To avoid that the messages be sent twice when the item is expanded for + // the first time we must clear TVIS_EXPANDEDONCE style manually. + + wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_EXPANDEDONCE); + tvItem.state = 0; + DoSetItem(&tvItem); + + if ( TreeView_Expand(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item, flag) != 0 ) + { + 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); - return InsertItem(parent, info, insertAfter); + event.SetEventType(g_events[isExpanded][FALSE]); + GetEventHandler()->ProcessEvent(event); + } + //else: change didn't took place, so do nothing at all } -bool wxTreeCtrl::SelectItem(const long item) +void wxTreeCtrl::Expand(const wxTreeItemId& item) { - return (TreeView_SelectItem((HWND) GetHWND(), (HTREEITEM) item) != 0); + DoExpand(item, TVE_EXPAND); } -bool wxTreeCtrl::ScrollTo(const long item) +void wxTreeCtrl::Collapse(const wxTreeItemId& item) { - return (TreeView_SelectSetFirstVisible((HWND) GetHWND(), (HTREEITEM) item) != 0); + DoExpand(item, TVE_COLLAPSE); } -bool wxTreeCtrl::DeleteAllItems(void) +void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item) { - return (TreeView_DeleteAllItems((HWND) GetHWND()) != 0); + DoExpand(item, TVE_COLLAPSE | TVE_COLLAPSERESET); } -wxTextCtrl& wxTreeCtrl::Edit(const long item) +void wxTreeCtrl::Toggle(const wxTreeItemId& item) { - HWND hWnd = (HWND) TreeView_EditLabel((HWND) GetHWND(), item); - m_textCtrl.SetHWND((WXHWND) hWnd); - return m_textCtrl; + DoExpand(item, TVE_TOGGLE); } -long wxTreeCtrl::HitTest(const wxPoint& point, int& flags) +void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action) { - TV_HITTESTINFO hitTestInfo; - hitTestInfo.pt.x = (int) point.x; - hitTestInfo.pt.y = (int) point.y; + DoExpand(item, action); +} + +void wxTreeCtrl::Unselect() +{ + SelectItem(wxTreeItemId((WXHTREEITEM) 0)); +} + +void wxTreeCtrl::SelectItem(const wxTreeItemId& item) +{ + // inspite of the docs (MSDN Jan 99 edition), we don't seem to receive + // the notification from the control (i.e. TVN_SELCHANG{ED|ING}), so + // send them ourselves - TreeView_HitTest((HWND) GetHWND(), & hitTestInfo); + wxTreeEvent event(wxEVT_NULL, m_windowId); + event.m_item = item; + event.SetEventObject(this); - flags = 0; - if ( hitTestInfo.flags & TVHT_ABOVE ) - flags |= wxTREE_HITTEST_ABOVE; - if ( hitTestInfo.flags & TVHT_BELOW ) - flags |= wxTREE_HITTEST_BELOW; - if ( hitTestInfo.flags & TVHT_NOWHERE ) - flags |= wxTREE_HITTEST_NOWHERE; - if ( hitTestInfo.flags & TVHT_ONITEMBUTTON ) - flags |= wxTREE_HITTEST_ONITEMBUTTON; - if ( hitTestInfo.flags & TVHT_ONITEMICON ) - flags |= wxTREE_HITTEST_ONITEMICON; - if ( hitTestInfo.flags & TVHT_ONITEMINDENT ) - flags |= wxTREE_HITTEST_ONITEMINDENT; - if ( hitTestInfo.flags & TVHT_ONITEMLABEL ) - flags |= wxTREE_HITTEST_ONITEMLABEL; - if ( hitTestInfo.flags & TVHT_ONITEMRIGHT ) - flags |= wxTREE_HITTEST_ONITEMRIGHT; - if ( hitTestInfo.flags & TVHT_ONITEMSTATEICON ) - flags |= wxTREE_HITTEST_ONITEMSTATEICON; - if ( hitTestInfo.flags & TVHT_TOLEFT ) - flags |= wxTREE_HITTEST_TOLEFT; - if ( hitTestInfo.flags & TVHT_TORIGHT ) - flags |= wxTREE_HITTEST_TORIGHT; + event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGING); + if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() ) + { + if ( !TreeView_SelectItem(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item) ) + { + wxLogLastError("TreeView_SelectItem"); + } + else + { + event.SetEventType(wxEVT_COMMAND_TREE_SEL_CHANGED); + (void)GetEventHandler()->ProcessEvent(event); + } + } + //else: program vetoed the change +} - return (long) hitTestInfo.hItem ; +void wxTreeCtrl::EnsureVisible(const wxTreeItemId& item) +{ + // no error return + TreeView_EnsureVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item); } -/* -wxImageList *wxTreeCtrl::CreateDragImage(const long item) +void wxTreeCtrl::ScrollTo(const wxTreeItemId& item) { + if ( !TreeView_SelectSetFirstVisible(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item) ) + { + wxLogLastError("TreeView_SelectSetFirstVisible"); + } } -*/ -bool wxTreeCtrl::SortChildren(const long item) +wxTextCtrl* wxTreeCtrl::GetEditControl() const { - return (TreeView_SortChildren((HWND) GetHWND(), (HTREEITEM) item, 0) != 0); + return m_textCtrl; } -bool wxTreeCtrl::EnsureVisible(const long item) +void wxTreeCtrl::DeleteTextCtrl() { - return (TreeView_EnsureVisible((HWND) GetHWND(), (HTREEITEM) item) != 0); + if ( m_textCtrl ) + { + m_textCtrl->UnsubclassWin(); + m_textCtrl->SetHWND(0); + delete m_textCtrl; + m_textCtrl = NULL; + } } -bool wxTreeCtrl::MSWCommand(const WXUINT cmd, const WXWORD id) +wxTextCtrl* wxTreeCtrl::EditLabel(const wxTreeItemId& item, + wxClassInfo* textControlClass) { - if (cmd == EN_UPDATE) - { - wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); - event.SetEventObject( this ); - ProcessCommand(event); - return TRUE; - } - else if (cmd == EN_KILLFOCUS) - { - wxCommandEvent event(wxEVT_KILL_FOCUS, id); - event.SetEventObject( this ); - ProcessCommand(event); - return TRUE; - } - else return FALSE; -} - -bool wxTreeCtrl::MSWNotify(const WXWPARAM wParam, const WXLPARAM lParam) -{ - wxTreeEvent event(0, m_windowId); - int eventType = 0; - NMHDR* hdr1 = (NMHDR*) lParam; - switch ( hdr1->code ) - { - case TVN_BEGINDRAG: - { - eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG; - NM_TREEVIEW* hdr = (NM_TREEVIEW*)lParam; - wxConvertFromMSWTreeItem(event.m_item, hdr->itemNew, (HWND) GetHWND()); - event.m_pointDrag.x = hdr->ptDrag.x; - event.m_pointDrag.y = hdr->ptDrag.y; - break; - } - case TVN_BEGINLABELEDIT: - { - eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT; - TV_DISPINFO *info = (TV_DISPINFO *)lParam; - wxConvertFromMSWTreeItem(event.m_item, info->item, (HWND) GetHWND()); - break; - } - case TVN_BEGINRDRAG: - { - eventType = wxEVT_COMMAND_TREE_BEGIN_RDRAG; - NM_TREEVIEW* hdr = (NM_TREEVIEW*)lParam; - wxConvertFromMSWTreeItem(event.m_item, hdr->itemNew, (HWND) GetHWND()); - event.m_pointDrag.x = hdr->ptDrag.x; - event.m_pointDrag.y = hdr->ptDrag.y; - break; - } - case TVN_DELETEITEM: - { - eventType = wxEVT_COMMAND_TREE_DELETE_ITEM; - NM_TREEVIEW* hdr = (NM_TREEVIEW*)lParam; - wxConvertFromMSWTreeItem(event.m_item, hdr->itemOld, (HWND) GetHWND()); - event.m_pointDrag.x = hdr->ptDrag.x; - event.m_pointDrag.y = hdr->ptDrag.y; - break; - } - case TVN_ENDLABELEDIT: - { - eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT; - TV_DISPINFO *info = (TV_DISPINFO *)lParam; - wxConvertFromMSWTreeItem(event.m_item, info->item, (HWND) GetHWND()); - break; - } - case TVN_GETDISPINFO: - { - eventType = wxEVT_COMMAND_TREE_GET_INFO; - TV_DISPINFO *info = (TV_DISPINFO *)lParam; - wxConvertFromMSWTreeItem(event.m_item, info->item, (HWND) GetHWND()); - break; - } - case TVN_ITEMEXPANDING: - { - eventType = wxEVT_COMMAND_TREE_ITEM_EXPANDING; - NM_TREEVIEW* hdr = (NM_TREEVIEW*)lParam; - wxConvertFromMSWTreeItem(event.m_item, hdr->itemNew, (HWND) GetHWND()); - - switch ( hdr->action ) - { - case TVE_EXPAND: - event.m_code = wxTREE_EXPAND_EXPAND; - break; - case TVE_COLLAPSE: - event.m_code = wxTREE_EXPAND_COLLAPSE; - case TVE_COLLAPSERESET: - event.m_code = wxTREE_EXPAND_COLLAPSE_RESET; - case TVE_TOGGLE: - event.m_code = wxTREE_EXPAND_TOGGLE; - break; - default : - break; - } - break; - } - case TVN_ITEMEXPANDED: - { - eventType = wxEVT_COMMAND_TREE_ITEM_EXPANDED; - NM_TREEVIEW* hdr = (NM_TREEVIEW*)lParam; - wxConvertFromMSWTreeItem(event.m_item, hdr->itemNew, (HWND) GetHWND()); - switch ( hdr->action ) - { - case TVE_EXPAND: - event.m_code = wxTREE_EXPAND_EXPAND; - break; - case TVE_COLLAPSE: - event.m_code = wxTREE_EXPAND_COLLAPSE; - case TVE_COLLAPSERESET: - event.m_code = wxTREE_EXPAND_COLLAPSE_RESET; - case TVE_TOGGLE: - event.m_code = wxTREE_EXPAND_TOGGLE; - break; - default : - break; - } - break; - } - case TVN_KEYDOWN: - { - eventType = wxEVT_COMMAND_TREE_KEY_DOWN; - TV_KEYDOWN *info = (TV_KEYDOWN *)lParam; - event.m_code = wxCharCodeMSWToWX(info->wVKey); - break; - } - case TVN_SELCHANGED: - { - eventType = wxEVT_COMMAND_TREE_SEL_CHANGED; - NM_TREEVIEW* hdr = (NM_TREEVIEW*)lParam; - wxConvertFromMSWTreeItem(event.m_item, hdr->itemNew, (HWND) GetHWND()); - event.m_oldItem = (long) hdr->itemNew.hItem; - - break; - } - case TVN_SELCHANGING: - { - eventType = wxEVT_COMMAND_TREE_SEL_CHANGING; - NM_TREEVIEW* hdr = (NM_TREEVIEW*)lParam; - wxConvertFromMSWTreeItem(event.m_item, hdr->itemNew, (HWND) GetHWND()); - event.m_oldItem = (long) hdr->itemNew.hItem; - break; - } - case TVN_SETDISPINFO: - { - eventType = wxEVT_COMMAND_TREE_SET_INFO; - TV_DISPINFO *info = (TV_DISPINFO *)lParam; - wxConvertFromMSWTreeItem(event.m_item, info->item, (HWND) GetHWND()); - break; - } - - default : - return wxControl::MSWNotify(wParam, lParam); - break; - } - - event.SetEventObject( this ); - event.SetEventType(eventType); - - if ( !GetEventHandler()->ProcessEvent(event) ) - return FALSE; - - if (hdr1->code == TVN_GETDISPINFO) - { - TV_DISPINFO *info = (TV_DISPINFO *)lParam; - wxConvertToMSWTreeItem(event.m_item, info->item); - } + wxASSERT( textControlClass->IsKindOf(CLASSINFO(wxTextCtrl)) ); - return TRUE; + HWND hWnd = (HWND) TreeView_EditLabel(GetHwnd(), (HTREEITEM) (WXHTREEITEM) item); + + wxCHECK_MSG( hWnd, NULL, _T("Can't edit tree ctrl label") ); + + DeleteTextCtrl(); + + m_textCtrl = (wxTextCtrl *)textControlClass->CreateObject(); + m_textCtrl->SetHWND((WXHWND)hWnd); + m_textCtrl->SubclassWin((WXHWND)hWnd); + + return m_textCtrl; } -// Tree item structure -wxTreeItem::wxTreeItem(void) +// End label editing, optionally cancelling the edit +void wxTreeCtrl::EndEditLabel(const wxTreeItemId& item, bool discardChanges) { - m_mask = 0; - m_itemId = 0; - m_state = 0; - m_stateMask = 0; - m_image = -1; - m_selectedImage = -1; - m_children = 0; - m_data = 0; + TreeView_EndEditLabelNow(GetHwnd(), discardChanges); + + DeleteTextCtrl(); } -// If getFullInfo is TRUE, we explicitly query for more info if we haven't got it all. -static void wxConvertFromMSWTreeItem(wxTreeItem& info, TV_ITEM& tvItem, HWND getFullInfo) +wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags) { - info.m_data = tvItem.lParam; - info.m_mask = 0; - info.m_state = 0; - info.m_stateMask = 0; + TV_HITTESTINFO hitTestInfo; + hitTestInfo.pt.x = (int)point.x; + hitTestInfo.pt.y = (int)point.y; + + TreeView_HitTest(GetHwnd(), &hitTestInfo); + + flags = 0; + + // avoid repetition + #define TRANSLATE_FLAG(flag) if ( hitTestInfo.flags & TVHT_##flag ) \ + flags |= wxTREE_HITTEST_##flag - long oldMask = tvItem.mask; + TRANSLATE_FLAG(ABOVE); + TRANSLATE_FLAG(BELOW); + TRANSLATE_FLAG(NOWHERE); + TRANSLATE_FLAG(ONITEMBUTTON); + TRANSLATE_FLAG(ONITEMICON); + TRANSLATE_FLAG(ONITEMINDENT); + TRANSLATE_FLAG(ONITEMLABEL); + TRANSLATE_FLAG(ONITEMRIGHT); + TRANSLATE_FLAG(ONITEMSTATEICON); + TRANSLATE_FLAG(TOLEFT); + TRANSLATE_FLAG(TORIGHT); - bool needText = FALSE; - if (getFullInfo != 0) - { - if ( tvItem.mask & TVIF_TEXT ) - needText = FALSE; + #undef TRANSLATE_FLAG + + return wxTreeItemId((WXHTREEITEM) hitTestInfo.hItem); +} + +bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item, + wxRect& rect, + bool textOnly) const +{ + RECT rc; + if ( TreeView_GetItemRect(GetHwnd(), (HTREEITEM)(WXHTREEITEM)item, + &rc, textOnly) ) + { + rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom)); + + return TRUE; + } else - needText = TRUE; + { + // couldn't retrieve rect: for example, item isn't visible + return FALSE; + } +} + +// ---------------------------------------------------------------------------- +// sorting stuff +// ---------------------------------------------------------------------------- + +static int CALLBACK TreeView_CompareCallback(wxTreeItemData *pItem1, + wxTreeItemData *pItem2, + wxTreeCtrl *tree) +{ + wxCHECK_MSG( pItem1 && pItem2, 0, + _T("sorting tree without data doesn't make sense") ); + + return tree->OnCompareItems(pItem1->GetId(), pItem2->GetId()); +} + +int wxTreeCtrl::OnCompareItems(const wxTreeItemId& item1, + const wxTreeItemId& item2) +{ + return wxStrcmp(GetItemText(item1), GetItemText(item2)); +} - if ( needText ) +void wxTreeCtrl::SortChildren(const wxTreeItemId& item) +{ + // rely on the fact that TreeView_SortChildren does the same thing as our + // default behaviour, i.e. sorts items alphabetically and so call it + // directly if we're not in derived class (much more efficient!) + if ( GetClassInfo() == CLASSINFO(wxTreeCtrl) ) { - tvItem.pszText = new char[513]; - tvItem.cchTextMax = 512; + TreeView_SortChildren(GetHwnd(), (HTREEITEM)(WXHTREEITEM)item, 0); } - tvItem.mask |= TVIF_HANDLE | TVIF_STATE | TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM ; - ::SendMessage(getFullInfo, TVM_GETITEM, 0, (LPARAM)& tvItem) ; - } + else + { + TV_SORTCB tvSort; + tvSort.hParent = (HTREEITEM)(WXHTREEITEM)item; + tvSort.lpfnCompare = (PFNTVCOMPARE)TreeView_CompareCallback; + tvSort.lParam = (LPARAM)this; + TreeView_SortChildrenCB(GetHwnd(), &tvSort, 0 /* reserved */); + } +} - if ( tvItem.mask & TVIF_HANDLE ) - { - info.m_mask |= wxTREE_MASK_HANDLE; - info.m_itemId = (long) tvItem.hItem; - } - if ( tvItem.mask & TVIF_STATE ) - { - info.m_mask |= wxTREE_MASK_STATE; - if ( tvItem.stateMask & TVIS_BOLD) - { - info.m_stateMask |= wxTREE_STATE_BOLD ; - if ( tvItem.state & TVIS_BOLD ) - info.m_state |= wxTREE_STATE_BOLD ; - } - - if ( tvItem.stateMask & TVIS_CUT) - { - info.m_stateMask |= wxTREE_STATE_CUT ; - if ( tvItem.state & TVIS_CUT ) - info.m_state |= wxTREE_STATE_CUT ; - } - - if ( tvItem.stateMask & TVIS_DROPHILITED) - { - info.m_stateMask |= wxTREE_STATE_DROPHILITED ; - if ( tvItem.state & TVIS_DROPHILITED ) - info.m_state |= wxTREE_STATE_DROPHILITED ; - } - if ( tvItem.stateMask & TVIS_EXPANDED) - { - info.m_stateMask |= wxTREE_STATE_EXPANDED ; - if ( tvItem.state & TVIS_EXPANDED ) - info.m_state |= wxTREE_STATE_EXPANDED ; - } - if ( tvItem.stateMask & TVIS_EXPANDEDONCE) - { - info.m_stateMask |= wxTREE_STATE_EXPANDEDONCE ; - if ( tvItem.state & TVIS_EXPANDEDONCE ) - info.m_state |= wxTREE_STATE_EXPANDEDONCE ; - } - if ( tvItem.stateMask & TVIS_FOCUSED) - { - info.m_stateMask |= wxTREE_STATE_FOCUSED ; - if ( tvItem.state & TVIS_FOCUSED ) - info.m_state |= wxTREE_STATE_FOCUSED ; - } - if ( tvItem.stateMask & TVIS_SELECTED) - { - info.m_stateMask |= wxTREE_STATE_SELECTED ; - if ( tvItem.state & TVIS_SELECTED ) - info.m_state |= wxTREE_STATE_SELECTED ; - } - } - - if ( tvItem.mask & TVIF_TEXT ) - { - info.m_mask |= wxTREE_MASK_TEXT; - info.m_text = tvItem.pszText; - } - if ( tvItem.mask & TVIF_IMAGE ) - { - info.m_mask |= wxTREE_MASK_IMAGE; - info.m_image = tvItem.iImage; - } - if ( tvItem.mask & TVIF_SELECTEDIMAGE ) - { - info.m_mask |= wxTREE_MASK_SELECTED_IMAGE; - info.m_selectedImage = tvItem.iSelectedImage; - } - if ( tvItem.mask & TVIF_CHILDREN ) - { - info.m_mask |= wxTREE_MASK_CHILDREN; - info.m_children = tvItem.cChildren; - } - if ( tvItem.mask & TVIF_PARAM ) - info.m_mask |= wxTREE_MASK_DATA; - - if (needText) - { - if (tvItem.pszText) - delete[] tvItem.pszText; - } - tvItem.mask = oldMask ; -} - -static void wxConvertToMSWTreeItem(wxTreeItem& info, TV_ITEM& tvItem) -{ - tvItem.hItem = (HTREEITEM) info.m_itemId ; - - tvItem.iImage = info.m_image ; - tvItem.iSelectedImage = info.m_selectedImage; - tvItem.cChildren = info.m_children; - tvItem.lParam = info.m_data; - tvItem.mask = 0; - tvItem.stateMask = 0; - tvItem.state = 0; - - if (info.m_mask & wxTREE_MASK_HANDLE) - tvItem.mask |= TVIF_HANDLE ; - if (info.m_mask & wxTREE_MASK_STATE) - tvItem.mask |= TVIF_STATE ; - if (info.m_mask & wxTREE_MASK_TEXT) - { - tvItem.mask |= TVIF_TEXT ; - tvItem.pszText = (char *) (const char *)info.m_text ; - if ( tvItem.pszText ) - tvItem.cchTextMax = info.m_text.Length(); +// ---------------------------------------------------------------------------- +// implementation +// ---------------------------------------------------------------------------- + +bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id) +{ + if ( cmd == EN_UPDATE ) + { + wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, id); + event.SetEventObject( this ); + ProcessCommand(event); + } + else if ( cmd == EN_KILLFOCUS ) + { + wxCommandEvent event(wxEVT_KILL_FOCUS, id); + event.SetEventObject( this ); + ProcessCommand(event); + } else - tvItem.cchTextMax = 0; - } - if (info.m_mask & wxTREE_MASK_IMAGE) - tvItem.mask |= TVIF_IMAGE ; - if (info.m_mask & wxTREE_MASK_SELECTED_IMAGE) - tvItem.mask |= TVIF_SELECTEDIMAGE ; - if (info.m_mask & wxTREE_MASK_CHILDREN) - tvItem.mask |= TVIF_CHILDREN ; - if (info.m_mask & wxTREE_MASK_DATA) - tvItem.mask |= TVIF_PARAM ; - - if (info.m_stateMask & wxTREE_STATE_BOLD) - { - tvItem.stateMask |= TVIS_BOLD ; - tvItem.state |= TVIS_BOLD; - } - if (info.m_stateMask & wxTREE_STATE_CUT) - { - tvItem.stateMask |= TVIS_CUT ; - if ( info.m_state & wxTREE_STATE_CUT ) - tvItem.state |= TVIS_CUT; - } - if (info.m_stateMask & wxTREE_STATE_DROPHILITED) - { - tvItem.stateMask |= TVIS_DROPHILITED; - if ( info.m_state & wxTREE_STATE_DROPHILITED ) - tvItem.state |= TVIS_DROPHILITED; - } - if (info.m_stateMask & wxTREE_STATE_EXPANDED) - { - tvItem.stateMask |= TVIS_EXPANDED; - if ( info.m_state & wxTREE_STATE_EXPANDED ) - tvItem.state |= TVIS_EXPANDED; - } - if (info.m_stateMask & wxTREE_STATE_EXPANDEDONCE) - { - tvItem.stateMask |= TVIS_EXPANDEDONCE; - if ( info.m_state & wxTREE_STATE_EXPANDEDONCE ) - tvItem.state |= TVIS_EXPANDEDONCE; - } - if (info.m_stateMask & wxTREE_STATE_FOCUSED) - { - tvItem.stateMask |= TVIS_FOCUSED; - if ( info.m_state & wxTREE_STATE_FOCUSED ) - tvItem.state |= TVIS_FOCUSED; - } - if (info.m_stateMask & wxTREE_STATE_SELECTED) - { - tvItem.stateMask |= TVIS_SELECTED; - if ( info.m_state & wxTREE_STATE_SELECTED ) - tvItem.state |= TVIS_SELECTED; - } + { + // nothing done + return FALSE; + } + + // command processed + return TRUE; } +// process WM_NOTIFY Windows message +bool wxTreeCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result) +{ + wxTreeEvent event(wxEVT_NULL, m_windowId); + wxEventType eventType = wxEVT_NULL; + NMHDR *hdr = (NMHDR *)lParam; + + switch ( hdr->code ) + { + case TVN_BEGINDRAG: + eventType = wxEVT_COMMAND_TREE_BEGIN_DRAG; + // fall through + + case TVN_BEGINRDRAG: + { + if ( eventType == wxEVT_NULL ) + eventType = wxEVT_COMMAND_TREE_BEGIN_RDRAG; + //else: left drag, already set above + + NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; + + event.m_item = (WXHTREEITEM) tv->itemNew.hItem; + event.m_pointDrag = wxPoint(tv->ptDrag.x, tv->ptDrag.y); + break; + } + + case TVN_BEGINLABELEDIT: + { + eventType = wxEVT_COMMAND_TREE_BEGIN_LABEL_EDIT; + TV_DISPINFO *info = (TV_DISPINFO *)lParam; + + event.m_item = (WXHTREEITEM) info->item.hItem; + break; + } + + case TVN_DELETEITEM: + { + eventType = wxEVT_COMMAND_TREE_DELETE_ITEM; + NM_TREEVIEW *tv = (NM_TREEVIEW *)lParam; + + event.m_item = (WXHTREEITEM) tv->itemOld.hItem; + break; + } + + case TVN_ENDLABELEDIT: + { + eventType = wxEVT_COMMAND_TREE_END_LABEL_EDIT; + TV_DISPINFO *info = (TV_DISPINFO *)lParam; + + event.m_item = (WXHTREEITEM) info->item.hItem; + break; + } + + case TVN_GETDISPINFO: + eventType = wxEVT_COMMAND_TREE_GET_INFO; + // fall through + + case TVN_SETDISPINFO: + { + if ( eventType == wxEVT_NULL ) + eventType = wxEVT_COMMAND_TREE_SET_INFO; + //else: get, already set above + + TV_DISPINFO *info = (TV_DISPINFO *)lParam; + + event.m_item = (WXHTREEITEM) 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; + switch ( tv->action ) + { + case TVE_EXPAND: + expand = TRUE; + break; + + case TVE_COLLAPSE: + expand = FALSE; + break; + + default: + wxLogDebug(_T("unexpected code %d in TVN_ITEMEXPAND " + "message"), tv->action); + } + + bool ing = (hdr->code == TVN_ITEMEXPANDING); + eventType = g_events[expand][ing]; + + event.m_item = (WXHTREEITEM) tv->itemNew.hItem; + break; + } + + case TVN_KEYDOWN: + { + eventType = wxEVT_COMMAND_TREE_KEY_DOWN; + TV_KEYDOWN *info = (TV_KEYDOWN *)lParam; + + event.m_code = wxCharCodeMSWToWX(info->wVKey); + + // a separate event for this case + if ( info->wVKey == VK_SPACE || info->wVKey == VK_RETURN ) + { + wxTreeEvent event2(wxEVT_COMMAND_TREE_ITEM_ACTIVATED, + m_windowId); + event2.SetEventObject(this); + + GetEventHandler()->ProcessEvent(event2); + } + break; + } + + case TVN_SELCHANGED: + eventType = wxEVT_COMMAND_TREE_SEL_CHANGED; + // fall through + + case TVN_SELCHANGING: + { + 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; + break; + } + + default: + return wxControl::MSWOnNotify(idCtrl, lParam, result); + } + + event.SetEventObject(this); + event.SetEventType(eventType); + + bool processed = GetEventHandler()->ProcessEvent(event); + + // post processing + if ( hdr->code == TVN_DELETEITEM ) + { + // NB: we might process this message using wxWindows event tables, but + // due to overhead of wxWin event system we prefer to do it here + // (otherwise deleting a tree with many items is just too slow) + NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam; + wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam; + delete data; // may be NULL, ok + processed = TRUE; // Make sure we don't get called twice + } + + *result = !event.IsAllowed(); + + return processed; +} + +// ---------------------------------------------------------------------------- // Tree event -IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxCommandEvent) +// ---------------------------------------------------------------------------- + +IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent) -wxTreeEvent::wxTreeEvent(WXTYPE commandType, int id): - wxCommandEvent(commandType, id) +wxTreeEvent::wxTreeEvent(wxEventType commandType, int id) + : wxNotifyEvent(commandType, id) { - m_code = 0; - m_oldItem = 0; + m_code = 0; + m_itemOld = 0; } -#endif +#endif // __WIN95__