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Sweden-Number/dlls/comctl32/treeview.c
Adam Gundy a982259e3e When items are inserted in a partially populated treeview, the first 
visible item was not correctly updated.
The first visible item was sometimes used to calculate the location of
other items when it had been freed.
2003-05-02 20:15:36 +00:00

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/* Treeview control
*
* Copyright 1998 Eric Kohl <ekohl@abo.rhein-zeitung.de>
* Copyright 1998,1999 Alex Priem <alexp@sci.kun.nl>
* Copyright 1999 Sylvain St-Germain
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Note that TREEVIEW_INFO * and HTREEITEM are the same thing.
*
* Note2: All items always! have valid (allocated) pszText field.
* If item's text == LPSTR_TEXTCALLBACKA we allocate buffer
* of size TEXT_CALLBACK_SIZE in DoSetItem.
* We use callbackMask to keep track of fields to be updated.
*
* TODO:
* missing notifications: NM_SETCURSOR, TVN_GETINFOTIP, TVN_KEYDOWN,
* TVN_SETDISPINFO, TVN_SINGLEEXPAND
*
* missing styles: TVS_FULLROWSELECT, TVS_INFOTIP, TVS_NOSCROLL,
* TVS_RTLREADING, TVS_TRACKSELECT
*
* missing item styles: TVIS_CUT, TVIS_EXPANDPARTIAL
*
* Make the insertion mark look right.
* Scroll (instead of repaint) as much as possible.
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <ctype.h>
#include <string.h>
#include <limits.h>
#include <stdlib.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "winbase.h"
#include "wingdi.h"
#include "commctrl.h"
#include "comctl32.h"
#include "wine/debug.h"
/* internal structures */
typedef struct _TREEITEM /* HTREEITEM is a _TREEINFO *. */
{
UINT callbackMask;
UINT state;
UINT stateMask;
LPSTR pszText;
int cchTextMax;
int iImage;
int iSelectedImage;
int cChildren;
LPARAM lParam;
int iIntegral; /* item height multiplier (1 is normal) */
int iLevel; /* indentation level:0=root level */
HTREEITEM parent; /* handle to parent or 0 if at root */
HTREEITEM firstChild; /* handle to first child or 0 if no child */
HTREEITEM lastChild;
HTREEITEM prevSibling; /* handle to prev item in list, 0 if first */
HTREEITEM nextSibling; /* handle to next item in list, 0 if last */
RECT rect;
LONG linesOffset;
LONG stateOffset;
LONG imageOffset;
LONG textOffset;
LONG textWidth; /* horizontal text extent for pszText */
LONG visibleOrder; /* visible ordering, 0 is first visible item */
} TREEVIEW_ITEM;
typedef struct tagTREEVIEW_INFO
{
HWND hwnd;
HWND hwndNotify; /* Owner window to send notifications to */
DWORD dwStyle;
HTREEITEM root;
UINT uInternalStatus;
INT Timer;
UINT uNumItems; /* number of valid TREEVIEW_ITEMs */
INT cdmode; /* last custom draw setting */
UINT uScrollTime; /* max. time for scrolling in milliseconds */
BOOL bRedraw; /* if FALSE we validate but don't redraw in TREEVIEW_Paint() */
UINT uItemHeight; /* item height */
BOOL bHeightSet;
LONG clientWidth; /* width of control window */
LONG clientHeight; /* height of control window */
LONG treeWidth; /* width of visible tree items */
LONG treeHeight; /* height of visible tree items */
UINT uIndent; /* indentation in pixels */
HTREEITEM selectedItem; /* handle to selected item or 0 if none */
HTREEITEM hotItem; /* handle currently under cursor, 0 if none */
HTREEITEM focusedItem; /* item that was under the cursor when WM_LBUTTONDOWN was received */
HTREEITEM firstVisible; /* handle to first visible item */
LONG maxVisibleOrder;
HTREEITEM dropItem; /* handle to item selected by drag cursor */
HTREEITEM insertMarkItem; /* item after which insertion mark is placed */
BOOL insertBeforeorAfter; /* flag used by TVM_SETINSERTMARK */
HIMAGELIST dragList; /* Bitmap of dragged item */
LONG scrollX;
COLORREF clrBk;
COLORREF clrText;
COLORREF clrLine;
COLORREF clrInsertMark;
HFONT hFont;
HFONT hBoldFont;
HWND hwndToolTip;
HWND hwndEdit;
WNDPROC wpEditOrig; /* orig window proc for subclassing edit */
BOOL bIgnoreEditKillFocus;
BOOL bLabelChanged;
BOOL bNtfUnicode; /* TRUE if should send NOTIFY with W */
BOOL bUnicode; /* set by CCM_SETUNICODEFORMAT */
HIMAGELIST himlNormal;
int normalImageHeight;
int normalImageWidth;
HIMAGELIST himlState;
int stateImageHeight;
int stateImageWidth;
HDPA items;
DWORD lastKeyPressTimestamp; /* Added */
WPARAM charCode; /* Added */
INT nSearchParamLength; /* Added */
CHAR szSearchParam[ MAX_PATH ]; /* Added */
} TREEVIEW_INFO;
/******** Defines that TREEVIEW_ProcessLetterKeys uses ****************/
#define KEY_DELAY 450
/* bitflags for infoPtr->uInternalStatus */
#define TV_HSCROLL 0x01 /* treeview too large to fit in window */
#define TV_VSCROLL 0x02 /* (horizontal/vertical) */
#define TV_LDRAG 0x04 /* Lbutton pushed to start drag */
#define TV_LDRAGGING 0x08 /* Lbutton pushed, mouse moved. */
#define TV_RDRAG 0x10 /* dito Rbutton */
#define TV_RDRAGGING 0x20
/* bitflags for infoPtr->timer */
#define TV_EDIT_TIMER 2
#define TV_EDIT_TIMER_SET 2
VOID TREEVIEW_Register (VOID);
VOID TREEVIEW_Unregister (VOID);
WINE_DEFAULT_DEBUG_CHANNEL(treeview);
#define TEXT_CALLBACK_SIZE 260
#define TREEVIEW_LEFT_MARGIN 8
#define MINIMUM_INDENT 19
#define CALLBACK_MASK_ALL (TVIF_TEXT|TVIF_CHILDREN|TVIF_IMAGE|TVIF_SELECTEDIMAGE)
#define STATEIMAGEINDEX(x) (((x) >> 12) & 0x0f)
#define OVERLAYIMAGEINDEX(x) (((x) >> 8) & 0x0f)
#define ISVISIBLE(x) ((x)->visibleOrder >= 0)
typedef VOID (*TREEVIEW_ItemEnumFunc)(TREEVIEW_INFO *, TREEVIEW_ITEM *,LPVOID);
static VOID TREEVIEW_Invalidate(TREEVIEW_INFO *, TREEVIEW_ITEM *);
static LRESULT TREEVIEW_DoSelectItem(TREEVIEW_INFO *, INT, HTREEITEM, INT);
static VOID TREEVIEW_SetFirstVisible(TREEVIEW_INFO *, TREEVIEW_ITEM *, BOOL);
static LRESULT TREEVIEW_EnsureVisible(TREEVIEW_INFO *, HTREEITEM, BOOL);
static LRESULT TREEVIEW_RButtonUp(TREEVIEW_INFO *, LPPOINT);
static LRESULT TREEVIEW_EndEditLabelNow(TREEVIEW_INFO *infoPtr, BOOL bCancel);
static VOID TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr);
static LRESULT TREEVIEW_HScroll(TREEVIEW_INFO *, WPARAM);
static INT TREEVIEW_NotifyFormat (TREEVIEW_INFO *infoPtr, HWND wParam, UINT lParam);
/* Random Utilities *****************************************************/
#ifndef NDEBUG
static inline void
TREEVIEW_VerifyTree(TREEVIEW_INFO *infoPtr)
{
(void)infoPtr;
}
#else
/* The definition is at the end of the file. */
static void TREEVIEW_VerifyTree(TREEVIEW_INFO *infoPtr);
#endif
/* Returns the treeview private data if hwnd is a treeview.
* Otherwise returns an undefined value. */
static TREEVIEW_INFO *
TREEVIEW_GetInfoPtr(HWND hwnd)
{
return (TREEVIEW_INFO *)GetWindowLongA(hwnd, 0);
}
/* Don't call this. Nothing wants an item index. */
static inline int
TREEVIEW_GetItemIndex(TREEVIEW_INFO *infoPtr, HTREEITEM handle)
{
assert(infoPtr != NULL);
return DPA_GetPtrIndex(infoPtr->items, handle);
}
/***************************************************************************
* This method checks that handle is an item for this tree.
*/
static BOOL
TREEVIEW_ValidItem(TREEVIEW_INFO *infoPtr, HTREEITEM handle)
{
if (TREEVIEW_GetItemIndex(infoPtr, handle) == -1)
{
TRACE("invalid item %p\n", handle);
return FALSE;
}
else
return TRUE;
}
static HFONT
TREEVIEW_CreateBoldFont(HFONT hOrigFont)
{
LOGFONTA font;
GetObjectA(hOrigFont, sizeof(font), &font);
font.lfWeight = FW_BOLD;
return CreateFontIndirectA(&font);
}
static inline HFONT
TREEVIEW_FontForItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
return (item->state & TVIS_BOLD) ? infoPtr->hBoldFont : infoPtr->hFont;
}
/* for trace/debugging purposes only */
static const char *
TREEVIEW_ItemName(TREEVIEW_ITEM *item)
{
if (item == NULL) return "<null item>";
if (item->pszText == LPSTR_TEXTCALLBACKA) return "<callback>";
if (item->pszText == NULL) return "<null>";
return item->pszText;
}
/* An item is not a child of itself. */
static BOOL
TREEVIEW_IsChildOf(TREEVIEW_ITEM *parent, TREEVIEW_ITEM *child)
{
do
{
child = child->parent;
if (child == parent) return TRUE;
} while (child != NULL);
return FALSE;
}
/* Tree Traversal *******************************************************/
/***************************************************************************
* This method returns the last expanded sibling or child child item
* of a tree node
*/
static TREEVIEW_ITEM *
TREEVIEW_GetLastListItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem)
{
if (!wineItem)
return NULL;
while (wineItem->lastChild)
{
if (wineItem->state & TVIS_EXPANDED)
wineItem = wineItem->lastChild;
else
break;
}
if (wineItem == infoPtr->root)
return NULL;
return wineItem;
}
/***************************************************************************
* This method returns the previous non-hidden item in the list not
* considering the tree hierarchy.
*/
static TREEVIEW_ITEM *
TREEVIEW_GetPrevListItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *tvItem)
{
if (tvItem->prevSibling)
{
/* This item has a prevSibling, get the last item in the sibling's tree. */
TREEVIEW_ITEM *upItem = tvItem->prevSibling;
if ((upItem->state & TVIS_EXPANDED) && upItem->lastChild != NULL)
return TREEVIEW_GetLastListItem(infoPtr, upItem->lastChild);
else
return upItem;
}
else
{
/* this item does not have a prevSibling, get the parent */
return (tvItem->parent != infoPtr->root) ? tvItem->parent : NULL;
}
}
/***************************************************************************
* This method returns the next physical item in the treeview not
* considering the tree hierarchy.
*/
static TREEVIEW_ITEM *
TREEVIEW_GetNextListItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *tvItem)
{
assert(tvItem != NULL);
/*
* If this item has children and is expanded, return the first child
*/
if ((tvItem->state & TVIS_EXPANDED) && tvItem->firstChild != NULL)
{
return tvItem->firstChild;
}
/*
* try to get the sibling
*/
if (tvItem->nextSibling)
return tvItem->nextSibling;
/*
* Otherwise, get the parent's sibling.
*/
while (tvItem->parent)
{
tvItem = tvItem->parent;
if (tvItem->nextSibling)
return tvItem->nextSibling;
}
return NULL;
}
/***************************************************************************
* This method returns the nth item starting at the given item. It returns
* the last item (or first) we we run out of items.
*
* Will scroll backward if count is <0.
* forward if count is >0.
*/
static TREEVIEW_ITEM *
TREEVIEW_GetListItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
LONG count)
{
TREEVIEW_ITEM *(*next_item)(TREEVIEW_INFO *, TREEVIEW_ITEM *);
TREEVIEW_ITEM *previousItem;
assert(wineItem != NULL);
if (count > 0)
{
next_item = TREEVIEW_GetNextListItem;
}
else if (count < 0)
{
count = -count;
next_item = TREEVIEW_GetPrevListItem;
}
else
return wineItem;
do
{
previousItem = wineItem;
wineItem = next_item(infoPtr, wineItem);
} while (--count && wineItem != NULL);
return wineItem ? wineItem : previousItem;
}
/* Notifications ************************************************************/
static INT get_notifycode(TREEVIEW_INFO *infoPtr, INT code)
{
if (!infoPtr->bNtfUnicode) {
switch (code) {
case TVN_SELCHANGINGW: return TVN_SELCHANGINGA;
case TVN_SELCHANGEDW: return TVN_SELCHANGEDA;
case TVN_GETDISPINFOW: return TVN_GETDISPINFOA;
case TVN_SETDISPINFOW: return TVN_SETDISPINFOA;
case TVN_ITEMEXPANDINGW: return TVN_ITEMEXPANDINGA;
case TVN_ITEMEXPANDEDW: return TVN_ITEMEXPANDEDA;
case TVN_BEGINDRAGW: return TVN_BEGINDRAGA;
case TVN_BEGINRDRAGW: return TVN_BEGINRDRAGA;
case TVN_DELETEITEMW: return TVN_DELETEITEMA;
case TVN_BEGINLABELEDITW: return TVN_BEGINLABELEDITA;
case TVN_ENDLABELEDITW: return TVN_ENDLABELEDITA;
case TVN_GETINFOTIPW: return TVN_GETINFOTIPA;
}
}
return code;
}
static LRESULT
TREEVIEW_SendRealNotify(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
TRACE("wParam=%d, lParam=%ld\n", wParam, lParam);
return SendMessageW(infoPtr->hwndNotify, WM_NOTIFY, wParam, lParam);
}
static BOOL
TREEVIEW_SendSimpleNotify(TREEVIEW_INFO *infoPtr, UINT code)
{
NMHDR nmhdr;
HWND hwnd = infoPtr->hwnd;
TRACE("%d\n", code);
nmhdr.hwndFrom = hwnd;
nmhdr.idFrom = GetWindowLongA(hwnd, GWL_ID);
nmhdr.code = get_notifycode(infoPtr, code);
return (BOOL)TREEVIEW_SendRealNotify(infoPtr,
(WPARAM)nmhdr.idFrom, (LPARAM)&nmhdr);
}
static VOID
TREEVIEW_TVItemFromItem(TREEVIEW_INFO *infoPtr, UINT mask, TVITEMA *tvItem, TREEVIEW_ITEM *item)
{
tvItem->mask = mask;
tvItem->hItem = item;
tvItem->state = item->state;
tvItem->stateMask = 0;
tvItem->iImage = item->iImage;
tvItem->cchTextMax = item->cchTextMax;
tvItem->iImage = item->iImage;
tvItem->iSelectedImage = item->iSelectedImage;
tvItem->cChildren = item->cChildren;
tvItem->lParam = item->lParam;
/* **** **** **** **** WARNING **** **** **** **** */
/* This control stores all the data in A format */
/* we will convert it to W if the notify format */
/* is Unicode. */
/* **** **** **** **** WARNING **** **** **** **** */
if (infoPtr->bNtfUnicode) {
INT len = MultiByteToWideChar( CP_ACP, 0, item->pszText, -1, NULL, 0 );
if (len > 1) {
tvItem->pszText = (LPSTR)COMCTL32_Alloc (len*sizeof(WCHAR));
MultiByteToWideChar( CP_ACP, 0, item->pszText, -1, (LPWSTR)tvItem->pszText, len*sizeof(WCHAR) );
}
}
else
tvItem->pszText = item->pszText;
}
static BOOL
TREEVIEW_SendTreeviewNotify(TREEVIEW_INFO *infoPtr, UINT code, UINT action,
UINT mask, HTREEITEM oldItem, HTREEITEM newItem)
{
HWND hwnd = infoPtr->hwnd;
NMTREEVIEWA nmhdr;
BOOL ret;
TRACE("code:%d action:%x olditem:%p newitem:%p\n",
code, action, oldItem, newItem);
ZeroMemory(&nmhdr, sizeof(NMTREEVIEWA));
nmhdr.hdr.hwndFrom = hwnd;
nmhdr.hdr.idFrom = GetWindowLongA(hwnd, GWL_ID);
nmhdr.hdr.code = get_notifycode(infoPtr, code);
nmhdr.action = action;
if (oldItem)
TREEVIEW_TVItemFromItem(infoPtr, mask, &nmhdr.itemOld, oldItem);
if (newItem)
TREEVIEW_TVItemFromItem(infoPtr, mask, &nmhdr.itemNew, newItem);
nmhdr.ptDrag.x = 0;
nmhdr.ptDrag.y = 0;
ret = (BOOL)TREEVIEW_SendRealNotify(infoPtr,
(WPARAM)GetWindowLongA(hwnd, GWL_ID),
(LPARAM)&nmhdr);
if (infoPtr->bNtfUnicode) {
COMCTL32_Free(nmhdr.itemOld.pszText);
COMCTL32_Free(nmhdr.itemNew.pszText);
}
return ret;
}
static BOOL
TREEVIEW_SendTreeviewDnDNotify(TREEVIEW_INFO *infoPtr, UINT code,
HTREEITEM dragItem, POINT pt)
{
HWND hwnd = infoPtr->hwnd;
NMTREEVIEWA nmhdr;
TRACE("code:%d dragitem:%p\n", code, dragItem);
nmhdr.hdr.hwndFrom = hwnd;
nmhdr.hdr.idFrom = GetWindowLongA(hwnd, GWL_ID);
nmhdr.hdr.code = get_notifycode(infoPtr, code);
nmhdr.action = 0;
nmhdr.itemNew.mask = TVIF_STATE | TVIF_PARAM | TVIF_HANDLE;
nmhdr.itemNew.hItem = dragItem;
nmhdr.itemNew.state = dragItem->state;
nmhdr.itemNew.lParam = dragItem->lParam;
nmhdr.ptDrag.x = pt.x;
nmhdr.ptDrag.y = pt.y;
return (BOOL)TREEVIEW_SendRealNotify(infoPtr,
(WPARAM)GetWindowLongA(hwnd, GWL_ID),
(LPARAM)&nmhdr);
}
static BOOL
TREEVIEW_SendCustomDrawNotify(TREEVIEW_INFO *infoPtr, DWORD dwDrawStage,
HDC hdc, RECT rc)
{
HWND hwnd = infoPtr->hwnd;
NMTVCUSTOMDRAW nmcdhdr;
LPNMCUSTOMDRAW nmcd;
TRACE("drawstage:%lx hdc:%p\n", dwDrawStage, hdc);
nmcd = &nmcdhdr.nmcd;
nmcd->hdr.hwndFrom = hwnd;
nmcd->hdr.idFrom = GetWindowLongA(hwnd, GWL_ID);
nmcd->hdr.code = NM_CUSTOMDRAW;
nmcd->dwDrawStage = dwDrawStage;
nmcd->hdc = hdc;
nmcd->rc = rc;
nmcd->dwItemSpec = 0;
nmcd->uItemState = 0;
nmcd->lItemlParam = 0;
nmcdhdr.clrText = infoPtr->clrText;
nmcdhdr.clrTextBk = infoPtr->clrBk;
nmcdhdr.iLevel = 0;
return (BOOL)TREEVIEW_SendRealNotify(infoPtr,
(WPARAM)GetWindowLongA(hwnd, GWL_ID),
(LPARAM)&nmcdhdr);
}
/* FIXME: need to find out when the flags in uItemState need to be set */
static BOOL
TREEVIEW_SendCustomDrawItemNotify(TREEVIEW_INFO *infoPtr, HDC hdc,
TREEVIEW_ITEM *wineItem, UINT uItemDrawState)
{
HWND hwnd = infoPtr->hwnd;
NMTVCUSTOMDRAW nmcdhdr;
LPNMCUSTOMDRAW nmcd;
DWORD dwDrawStage, dwItemSpec;
UINT uItemState;
INT retval;
dwDrawStage = CDDS_ITEM | uItemDrawState;
dwItemSpec = (DWORD)wineItem;
uItemState = 0;
if (wineItem->state & TVIS_SELECTED)
uItemState |= CDIS_SELECTED;
if (wineItem == infoPtr->selectedItem)
uItemState |= CDIS_FOCUS;
if (wineItem == infoPtr->hotItem)
uItemState |= CDIS_HOT;
nmcd = &nmcdhdr.nmcd;
nmcd->hdr.hwndFrom = hwnd;
nmcd->hdr.idFrom = GetWindowLongA(hwnd, GWL_ID);
nmcd->hdr.code = NM_CUSTOMDRAW;
nmcd->dwDrawStage = dwDrawStage;
nmcd->hdc = hdc;
nmcd->rc = wineItem->rect;
nmcd->dwItemSpec = dwItemSpec;
nmcd->uItemState = uItemState;
nmcd->lItemlParam = wineItem->lParam;
nmcdhdr.clrText = infoPtr->clrText;
nmcdhdr.clrTextBk = infoPtr->clrBk;
nmcdhdr.iLevel = wineItem->iLevel;
TRACE("drawstage:%lx hdc:%p item:%lx, itemstate:%x, lItemlParam:%lx\n",
nmcd->dwDrawStage, nmcd->hdc, nmcd->dwItemSpec,
nmcd->uItemState, nmcd->lItemlParam);
retval = TREEVIEW_SendRealNotify(infoPtr,
(WPARAM)GetWindowLongA(hwnd, GWL_ID),
(LPARAM)&nmcdhdr);
infoPtr->clrText = nmcdhdr.clrText;
infoPtr->clrBk = nmcdhdr.clrTextBk;
return (BOOL)retval;
}
static BOOL
TREEVIEW_BeginLabelEditNotify(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *editItem)
{
HWND hwnd = infoPtr->hwnd;
LPSTR allocated = NULL;
NMTVDISPINFOA tvdi;
BOOL ret;
tvdi.hdr.hwndFrom = hwnd;
tvdi.hdr.idFrom = GetWindowLongA(hwnd, GWL_ID);
tvdi.hdr.code = get_notifycode(infoPtr, TVN_BEGINLABELEDITW);
tvdi.item.mask = TVIF_HANDLE | TVIF_STATE | TVIF_PARAM | TVIF_TEXT;
tvdi.item.hItem = editItem;
tvdi.item.state = editItem->state;
tvdi.item.lParam = editItem->lParam;
if (infoPtr->bNtfUnicode) {
INT len = MultiByteToWideChar( CP_ACP, 0, editItem->pszText, -1, NULL, 0 );
if (len > 1) {
tvdi.item.pszText = allocated = (LPSTR)COMCTL32_Alloc (len*sizeof(WCHAR));
MultiByteToWideChar( CP_ACP, 0, editItem->pszText, -1, (LPWSTR)tvdi.item.pszText, len*sizeof(WCHAR) );
tvdi.item.cchTextMax = len*sizeof(WCHAR);
}
else {
tvdi.item.pszText = editItem->pszText; /* ??? */
tvdi.item.cchTextMax = editItem->cchTextMax; /* ??? */
}
}
else {
tvdi.item.pszText = editItem->pszText;
tvdi.item.cchTextMax = editItem->cchTextMax;
}
ret = (BOOL)TREEVIEW_SendRealNotify(infoPtr,
tvdi.hdr.idFrom,
(LPARAM)&tvdi);
if (allocated)
COMCTL32_Free(allocated);
return ret;
}
static void
TREEVIEW_UpdateDispInfo(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
UINT mask)
{
NMTVDISPINFOA callback;
HWND hwnd = infoPtr->hwnd;
mask &= wineItem->callbackMask;
if (mask == 0) return;
callback.hdr.hwndFrom = hwnd;
callback.hdr.idFrom = GetWindowLongA(hwnd, GWL_ID);
callback.hdr.code = get_notifycode(infoPtr, TVN_GETDISPINFOW);
/* 'state' always contains valid value, as well as 'lParam'.
* All other parameters are uninitialized.
*/
callback.item.pszText = wineItem->pszText;
callback.item.cchTextMax = wineItem->cchTextMax;
callback.item.mask = mask;
callback.item.hItem = wineItem;
callback.item.state = wineItem->state;
callback.item.lParam = wineItem->lParam;
/* If text is changed we need to recalculate textWidth */
if (mask & TVIF_TEXT)
wineItem->textWidth = 0;
TREEVIEW_SendRealNotify(infoPtr,
(WPARAM)callback.hdr.idFrom, (LPARAM)&callback);
/* It may have changed due to a call to SetItem. */
mask &= wineItem->callbackMask;
if ((mask & TVIF_TEXT) && callback.item.pszText != wineItem->pszText)
{
/* Instead of copying text into our buffer user specified its own */
if (infoPtr->bNtfUnicode) {
LPWSTR newText;
int buflen;
int len = WideCharToMultiByte( CP_ACP, 0,
(LPWSTR)callback.item.pszText, -1,
NULL, 0, NULL, NULL );
buflen = max((len+1)*sizeof(WCHAR), TEXT_CALLBACK_SIZE);
newText = (LPWSTR)COMCTL32_ReAlloc(wineItem->pszText, buflen);
TRACE("returned wstr %s, len=%d, buflen=%d\n",
debugstr_w((LPWSTR)callback.item.pszText), len, buflen);
if (newText)
{
wineItem->pszText = (LPSTR)newText;
WideCharToMultiByte( CP_ACP, 0,
(LPWSTR)callback.item.pszText, -1,
wineItem->pszText, buflen,
NULL, NULL );
wineItem->cchTextMax = buflen;
}
/* If ReAlloc fails we have nothing to do, but keep original text */
}
else {
int len = max(lstrlenA(callback.item.pszText) + 1,
TEXT_CALLBACK_SIZE);
LPSTR newText = COMCTL32_ReAlloc(wineItem->pszText, len);
TRACE("returned str %s, len=%d\n",
debugstr_a(callback.item.pszText), len);
if (newText)
{
wineItem->pszText = newText;
strcpy(wineItem->pszText, callback.item.pszText);
wineItem->cchTextMax = len;
}
/* If ReAlloc fails we have nothing to do, but keep original text */
}
}
else if (mask & TVIF_TEXT) {
/* User put text into our buffer, that is ok unless W string */
if (infoPtr->bNtfUnicode) {
LPWSTR newText;
LPSTR oldText = NULL;
int buflen;
int len = WideCharToMultiByte( CP_ACP, 0,
(LPWSTR)callback.item.pszText, -1,
NULL, 0, NULL, NULL );
buflen = max((len+1)*sizeof(WCHAR), TEXT_CALLBACK_SIZE);
newText = (LPWSTR)COMCTL32_Alloc(buflen);
TRACE("same buffer wstr %s, len=%d, buflen=%d\n",
debugstr_w((LPWSTR)callback.item.pszText), len, buflen);
if (newText)
{
oldText = wineItem->pszText;
wineItem->pszText = (LPSTR)newText;
WideCharToMultiByte( CP_ACP, 0,
(LPWSTR)callback.item.pszText, -1,
wineItem->pszText, buflen, NULL, NULL );
wineItem->cchTextMax = buflen;
if (oldText)
COMCTL32_Free(oldText);
}
}
}
if (mask & TVIF_IMAGE)
wineItem->iImage = callback.item.iImage;
if (mask & TVIF_SELECTEDIMAGE)
wineItem->iSelectedImage = callback.item.iSelectedImage;
if (mask & TVIF_CHILDREN)
wineItem->cChildren = callback.item.cChildren;
/* These members are now permanently set. */
if (callback.item.mask & TVIF_DI_SETITEM)
wineItem->callbackMask &= ~callback.item.mask;
}
/***************************************************************************
* This function uses cChildren field to decide whether the item has
* children or not.
* Note: if this returns TRUE, the child items may not actually exist,
* they could be virtual.
*
* Just use wineItem->firstChild to check for physical children.
*/
static BOOL
TREEVIEW_HasChildren(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem)
{
TREEVIEW_UpdateDispInfo(infoPtr, wineItem, TVIF_CHILDREN);
return wineItem->cChildren > 0;
}
/* Item Position ********************************************************/
/* Compute linesOffset, stateOffset, imageOffset, textOffset of an item. */
static VOID
TREEVIEW_ComputeItemInternalMetrics(TREEVIEW_INFO *infoPtr,
TREEVIEW_ITEM *item)
{
/* Same effect, different optimisation. */
#if 0
BOOL lar = ((infoPtr->dwStyle & TVS_LINESATROOT)
&& (infoPtr->dwStyle & (TVS_HASLINES|TVS_HASBUTTONS)));
#else
BOOL lar = ((infoPtr->dwStyle
& (TVS_LINESATROOT|TVS_HASLINES|TVS_HASBUTTONS))
> TVS_LINESATROOT);
#endif
item->linesOffset = infoPtr->uIndent * (item->iLevel + lar - 1)
- infoPtr->scrollX;
item->stateOffset = item->linesOffset + infoPtr->uIndent;
item->imageOffset = item->stateOffset
+ (STATEIMAGEINDEX(item->state) ? infoPtr->stateImageWidth : 0);
item->textOffset = item->imageOffset + infoPtr->normalImageWidth;
}
static VOID
TREEVIEW_ComputeTextWidth(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item, HDC hDC)
{
HDC hdc;
HFONT hOldFont=0;
SIZE sz;
/* DRAW's OM docker creates items like this */
if (item->pszText == NULL)
{
item->textWidth = 0;
return;
}
if (item->textWidth != 0 && !(item->callbackMask & TVIF_TEXT))
return;
if (hDC != 0)
{
hdc = hDC;
}
else
{
hdc = GetDC(infoPtr->hwnd);
hOldFont = SelectObject(hdc, TREEVIEW_FontForItem(infoPtr, item));
}
GetTextExtentPoint32A(hdc, item->pszText, strlen(item->pszText), &sz);
item->textWidth = sz.cx;
if (hDC == 0)
{
SelectObject(hdc, hOldFont);
ReleaseDC(0, hdc);
}
}
static VOID
TREEVIEW_ComputeItemRect(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
item->rect.top = infoPtr->uItemHeight *
(item->visibleOrder - infoPtr->firstVisible->visibleOrder);
item->rect.bottom = item->rect.top
+ infoPtr->uItemHeight * item->iIntegral - 1;
item->rect.left = 0;
item->rect.right = infoPtr->clientWidth;
}
/* We know that only items after start need their order updated. */
static void
TREEVIEW_RecalculateVisibleOrder(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *start)
{
TREEVIEW_ITEM *item;
int order;
if (!start)
{
start = infoPtr->root->firstChild;
order = 0;
}
else
order = start->visibleOrder;
for (item = start; item != NULL;
item = TREEVIEW_GetNextListItem(infoPtr, item))
{
item->visibleOrder = order;
order += item->iIntegral;
}
infoPtr->maxVisibleOrder = order;
for (item = start; item != NULL;
item = TREEVIEW_GetNextListItem(infoPtr, item))
{
TREEVIEW_ComputeItemRect(infoPtr, item);
}
}
/* Update metrics of all items in selected subtree.
* root must be expanded
*/
static VOID
TREEVIEW_UpdateSubTree(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *root)
{
TREEVIEW_ITEM *sibling;
HDC hdc;
HFONT hOldFont;
if (!root->firstChild || !(root->state & TVIS_EXPANDED))
return;
root->state &= ~TVIS_EXPANDED;
sibling = TREEVIEW_GetNextListItem(infoPtr, root);
root->state |= TVIS_EXPANDED;
hdc = GetDC(infoPtr->hwnd);
hOldFont = SelectObject(hdc, infoPtr->hFont);
for (; root != sibling;
root = TREEVIEW_GetNextListItem(infoPtr, root))
{
TREEVIEW_ComputeItemInternalMetrics(infoPtr, root);
if (root->callbackMask & TVIF_TEXT)
TREEVIEW_UpdateDispInfo(infoPtr, root, TVIF_TEXT);
if (root->textWidth == 0)
{
SelectObject(hdc, TREEVIEW_FontForItem(infoPtr, root));
TREEVIEW_ComputeTextWidth(infoPtr, root, hdc);
}
}
SelectObject(hdc, hOldFont);
ReleaseDC(infoPtr->hwnd, hdc);
}
/* Item Allocation **********************************************************/
static TREEVIEW_ITEM *
TREEVIEW_AllocateItem(TREEVIEW_INFO *infoPtr)
{
TREEVIEW_ITEM *newItem = COMCTL32_Alloc(sizeof(TREEVIEW_ITEM));
if (!newItem)
return NULL;
if (DPA_InsertPtr(infoPtr->items, INT_MAX, newItem) == -1)
{
COMCTL32_Free(newItem);
return NULL;
}
return newItem;
}
/* Exact opposite of TREEVIEW_AllocateItem. In particular, it does not
* free item->pszText. */
static void
TREEVIEW_FreeItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
DPA_DeletePtr(infoPtr->items, DPA_GetPtrIndex(infoPtr->items, item));
COMCTL32_Free(item);
if (infoPtr->selectedItem == item)
infoPtr->selectedItem = NULL;
if (infoPtr->hotItem == item)
infoPtr->hotItem = NULL;
if (infoPtr->focusedItem == item)
infoPtr->focusedItem = NULL;
if (infoPtr->firstVisible == item)
infoPtr->firstVisible = NULL;
if (infoPtr->dropItem == item)
infoPtr->dropItem = NULL;
if (infoPtr->insertMarkItem == item)
infoPtr->insertMarkItem = NULL;
}
/* Item Insertion *******************************************************/
/***************************************************************************
* This method inserts newItem before sibling as a child of parent.
* sibling can be NULL, but only if parent has no children.
*/
static void
TREEVIEW_InsertBefore(TREEVIEW_ITEM *newItem, TREEVIEW_ITEM *sibling,
TREEVIEW_ITEM *parent)
{
assert(newItem != NULL);
assert(parent != NULL);
if (sibling != NULL)
{
assert(sibling->parent == parent);
if (sibling->prevSibling != NULL)
sibling->prevSibling->nextSibling = newItem;
newItem->prevSibling = sibling->prevSibling;
sibling->prevSibling = newItem;
}
else
newItem->prevSibling = NULL;
newItem->nextSibling = sibling;
if (parent->firstChild == sibling)
parent->firstChild = newItem;
if (parent->lastChild == NULL)
parent->lastChild = newItem;
}
/***************************************************************************
* This method inserts newItem after sibling as a child of parent.
* sibling can be NULL, but only if parent has no children.
*/
static void
TREEVIEW_InsertAfter(TREEVIEW_ITEM *newItem, TREEVIEW_ITEM *sibling,
TREEVIEW_ITEM *parent)
{
assert(newItem != NULL);
assert(parent != NULL);
if (sibling != NULL)
{
assert(sibling->parent == parent);
if (sibling->nextSibling != NULL)
sibling->nextSibling->prevSibling = newItem;
newItem->nextSibling = sibling->nextSibling;
sibling->nextSibling = newItem;
}
else
newItem->nextSibling = NULL;
newItem->prevSibling = sibling;
if (parent->lastChild == sibling)
parent->lastChild = newItem;
if (parent->firstChild == NULL)
parent->firstChild = newItem;
}
static BOOL
TREEVIEW_DoSetItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
const TVITEMEXA *tvItem)
{
UINT callbackClear = 0;
UINT callbackSet = 0;
/* Do this first in case it fails. */
if (tvItem->mask & TVIF_TEXT)
{
wineItem->textWidth = 0; /* force width recalculation */
if (tvItem->pszText != LPSTR_TEXTCALLBACKA)
{
int len = lstrlenA(tvItem->pszText) + 1;
LPSTR newText = COMCTL32_ReAlloc(wineItem->pszText, len);
if (newText == NULL) return FALSE;
callbackClear |= TVIF_TEXT;
wineItem->pszText = newText;
wineItem->cchTextMax = len;
lstrcpynA(wineItem->pszText, tvItem->pszText, len);
TRACE("setting text %s, item %p\n",
debugstr_a(wineItem->pszText), wineItem);
}
else
{
callbackSet |= TVIF_TEXT;
wineItem->pszText = COMCTL32_ReAlloc(wineItem->pszText,
TEXT_CALLBACK_SIZE);
wineItem->cchTextMax = TEXT_CALLBACK_SIZE;
TRACE("setting callback, item %p\n",
wineItem);
}
}
if (tvItem->mask & TVIF_CHILDREN)
{
wineItem->cChildren = tvItem->cChildren;
if (wineItem->cChildren == I_CHILDRENCALLBACK)
callbackSet |= TVIF_CHILDREN;
else
callbackClear |= TVIF_CHILDREN;
}
if (tvItem->mask & TVIF_IMAGE)
{
wineItem->iImage = tvItem->iImage;
if (wineItem->iImage == I_IMAGECALLBACK)
callbackSet |= TVIF_IMAGE;
else
callbackClear |= TVIF_IMAGE;
}
if (tvItem->mask & TVIF_SELECTEDIMAGE)
{
wineItem->iSelectedImage = tvItem->iSelectedImage;
if (wineItem->iSelectedImage == I_IMAGECALLBACK)
callbackSet |= TVIF_SELECTEDIMAGE;
else
callbackClear |= TVIF_SELECTEDIMAGE;
}
if (tvItem->mask & TVIF_PARAM)
wineItem->lParam = tvItem->lParam;
/* If the application sets TVIF_INTEGRAL without
* supplying a TVITEMEX structure, it's toast. */
if (tvItem->mask & TVIF_INTEGRAL)
wineItem->iIntegral = tvItem->iIntegral;
if (tvItem->mask & TVIF_STATE)
{
TRACE("prevstate,state,mask:%x,%x,%x\n", wineItem->state, tvItem->state,
tvItem->stateMask);
wineItem->state &= ~tvItem->stateMask;
wineItem->state |= (tvItem->state & tvItem->stateMask);
}
wineItem->callbackMask |= callbackSet;
wineItem->callbackMask &= ~callbackClear;
return TRUE;
}
/* Note that the new item is pre-zeroed. */
static LRESULT
TREEVIEW_InsertItemA(TREEVIEW_INFO *infoPtr, LPARAM lParam)
{
const TVINSERTSTRUCTA *ptdi = (LPTVINSERTSTRUCTA) lParam;
const TVITEMEXA *tvItem = &ptdi->DUMMYUNIONNAME.itemex;
HTREEITEM insertAfter;
TREEVIEW_ITEM *newItem, *parentItem;
BOOL bTextUpdated = FALSE;
if (ptdi->hParent == TVI_ROOT || ptdi->hParent == 0)
{
parentItem = infoPtr->root;
}
else
{
parentItem = ptdi->hParent;
if (!TREEVIEW_ValidItem(infoPtr, parentItem))
{
WARN("invalid parent %p\n", parentItem);
return (LRESULT)(HTREEITEM)NULL;
}
}
insertAfter = ptdi->hInsertAfter;
/* Validate this now for convenience. */
switch ((DWORD)insertAfter)
{
case (DWORD)TVI_FIRST:
case (DWORD)TVI_LAST:
case (DWORD)TVI_SORT:
break;
default:
if (!TREEVIEW_ValidItem(infoPtr, insertAfter) ||
insertAfter->parent != parentItem)
{
WARN("invalid insert after %p\n", insertAfter);
insertAfter = TVI_LAST;
}
}
TRACE("parent %p position %p: '%s'\n", parentItem, insertAfter,
(tvItem->mask & TVIF_TEXT)
? ((tvItem->pszText == LPSTR_TEXTCALLBACKA) ? "<callback>"
: tvItem->pszText)
: "<no label>");
newItem = TREEVIEW_AllocateItem(infoPtr);
if (newItem == NULL)
return (LRESULT)(HTREEITEM)NULL;
newItem->parent = parentItem;
newItem->iIntegral = 1;
if (!TREEVIEW_DoSetItem(infoPtr, newItem, tvItem))
return (LRESULT)(HTREEITEM)NULL;
/* After this point, nothing can fail. (Except for TVI_SORT.) */
infoPtr->uNumItems++;
switch ((DWORD)insertAfter)
{
case (DWORD)TVI_FIRST:
{
TREEVIEW_ITEM *originalFirst = parentItem->firstChild;
TREEVIEW_InsertBefore(newItem, parentItem->firstChild, parentItem);
if (infoPtr->firstVisible == originalFirst)
TREEVIEW_SetFirstVisible(infoPtr, newItem, TRUE);
}
break;
case (DWORD)TVI_LAST:
TREEVIEW_InsertAfter(newItem, parentItem->lastChild, parentItem);
break;
/* hInsertAfter names a specific item we want to insert after */
default:
TREEVIEW_InsertAfter(newItem, insertAfter, insertAfter->parent);
break;
case (DWORD)TVI_SORT:
{
TREEVIEW_ITEM *aChild;
TREEVIEW_ITEM *previousChild = NULL;
BOOL bItemInserted = FALSE;
aChild = parentItem->firstChild;
bTextUpdated = TRUE;
TREEVIEW_UpdateDispInfo(infoPtr, newItem, TVIF_TEXT);
/* Iterate the parent children to see where we fit in */
while (aChild != NULL)
{
INT comp;
TREEVIEW_UpdateDispInfo(infoPtr, aChild, TVIF_TEXT);
comp = lstrcmpA(newItem->pszText, aChild->pszText);
if (comp < 0) /* we are smaller than the current one */
{
TREEVIEW_InsertBefore(newItem, aChild, parentItem);
bItemInserted = TRUE;
break;
}
else if (comp > 0) /* we are bigger than the current one */
{
previousChild = aChild;
/* This will help us to exit if there is no more sibling */
aChild = (aChild->nextSibling == 0)
? NULL
: aChild->nextSibling;
/* Look at the next item */
continue;
}
else if (comp == 0)
{
/*
* An item with this name is already existing, therefore,
* we add after the one we found
*/
TREEVIEW_InsertAfter(newItem, aChild, parentItem);
bItemInserted = TRUE;
break;
}
}
/*
* we reach the end of the child list and the item has not
* yet been inserted, therefore, insert it after the last child.
*/
if ((!bItemInserted) && (aChild == NULL))
TREEVIEW_InsertAfter(newItem, previousChild, parentItem);
break;
}
}
TRACE("new item %p; parent %p, mask %x\n", newItem,
newItem->parent, tvItem->mask);
newItem->iLevel = newItem->parent->iLevel + 1;
if (newItem->parent->cChildren == 0)
newItem->parent->cChildren = 1;
if (infoPtr->dwStyle & TVS_CHECKBOXES)
{
if (STATEIMAGEINDEX(newItem->state) == 0)
newItem->state |= INDEXTOSTATEIMAGEMASK(1);
}
if (infoPtr->firstVisible == NULL)
infoPtr->firstVisible = newItem;
TREEVIEW_VerifyTree(infoPtr);
if (parentItem == infoPtr->root ||
(ISVISIBLE(parentItem) && parentItem->state & TVIS_EXPANDED))
{
TREEVIEW_ITEM *item;
TREEVIEW_ITEM *prev = TREEVIEW_GetPrevListItem(infoPtr, newItem);
TREEVIEW_RecalculateVisibleOrder(infoPtr, prev);
TREEVIEW_ComputeItemInternalMetrics(infoPtr, newItem);
if (!bTextUpdated)
TREEVIEW_UpdateDispInfo(infoPtr, newItem, TVIF_TEXT);
TREEVIEW_ComputeTextWidth(infoPtr, newItem, 0);
TREEVIEW_UpdateScrollBars(infoPtr);
/*
* if the item was inserted in a visible part of the tree,
* invalidate it, as well as those after it
*/
for (item = newItem;
item != NULL;
item = TREEVIEW_GetNextListItem(infoPtr, item))
TREEVIEW_Invalidate(infoPtr, item);
}
else
{
newItem->visibleOrder = -1;
/* refresh treeview if newItem is the first item inserted under parentItem */
if (ISVISIBLE(parentItem) && newItem->prevSibling == newItem->nextSibling)
{
/* parent got '+' - update it */
TREEVIEW_Invalidate(infoPtr, parentItem);
}
}
return (LRESULT)newItem;
}
static LRESULT
TREEVIEW_InsertItemW(TREEVIEW_INFO *infoPtr, LPARAM lParam)
{
TVINSERTSTRUCTW *tvisW;
TVINSERTSTRUCTA tvisA;
LRESULT lRes;
tvisW = (LPTVINSERTSTRUCTW) lParam;
tvisA.hParent = tvisW->hParent;
tvisA.hInsertAfter = tvisW->hInsertAfter;
tvisA.DUMMYUNIONNAME.item.mask = tvisW->DUMMYUNIONNAME.item.mask;
tvisA.DUMMYUNIONNAME.item.hItem = tvisW->DUMMYUNIONNAME.item.hItem;
tvisA.DUMMYUNIONNAME.item.state = tvisW->DUMMYUNIONNAME.item.state;
tvisA.DUMMYUNIONNAME.item.stateMask = tvisW->DUMMYUNIONNAME.item.stateMask;
tvisA.DUMMYUNIONNAME.item.cchTextMax =
tvisW->DUMMYUNIONNAME.item.cchTextMax;
if (tvisW->DUMMYUNIONNAME.item.pszText)
{
if (tvisW->DUMMYUNIONNAME.item.pszText != LPSTR_TEXTCALLBACKW)
{
int len = WideCharToMultiByte( CP_ACP, 0, tvisW->DUMMYUNIONNAME.item.pszText, -1,
NULL, 0, NULL, NULL );
tvisA.DUMMYUNIONNAME.item.pszText = COMCTL32_Alloc(len);
WideCharToMultiByte( CP_ACP, 0, tvisW->DUMMYUNIONNAME.item.pszText, -1,
tvisA.DUMMYUNIONNAME.item.pszText, len, NULL, NULL );
}
else
{
tvisA.DUMMYUNIONNAME.item.pszText = LPSTR_TEXTCALLBACKA;
tvisA.DUMMYUNIONNAME.item.cchTextMax = 0;
}
}
tvisA.DUMMYUNIONNAME.item.iImage = tvisW->DUMMYUNIONNAME.item.iImage;
tvisA.DUMMYUNIONNAME.item.iSelectedImage =
tvisW->DUMMYUNIONNAME.item.iSelectedImage;
tvisA.DUMMYUNIONNAME.item.cChildren = tvisW->DUMMYUNIONNAME.item.cChildren;
tvisA.DUMMYUNIONNAME.item.lParam = tvisW->DUMMYUNIONNAME.item.lParam;
lRes = TREEVIEW_InsertItemA(infoPtr, (LPARAM)&tvisA);
if (tvisA.DUMMYUNIONNAME.item.pszText != LPSTR_TEXTCALLBACKA)
{
COMCTL32_Free(tvisA.DUMMYUNIONNAME.item.pszText);
}
return lRes;
}
/* Item Deletion ************************************************************/
static void
TREEVIEW_RemoveItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem);
static void
TREEVIEW_RemoveAllChildren(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *parentItem)
{
TREEVIEW_ITEM *kill = parentItem->firstChild;
while (kill != NULL)
{
TREEVIEW_ITEM *next = kill->nextSibling;
TREEVIEW_RemoveItem(infoPtr, kill);
kill = next;
}
assert(parentItem->cChildren <= 0); /* I_CHILDRENCALLBACK or 0 */
assert(parentItem->firstChild == NULL);
assert(parentItem->lastChild == NULL);
}
static void
TREEVIEW_UnlinkItem(TREEVIEW_ITEM *item)
{
TREEVIEW_ITEM *parentItem = item->parent;
assert(item != NULL);
assert(item->parent != NULL); /* i.e. it must not be the root */
if (parentItem->firstChild == item)
parentItem->firstChild = item->nextSibling;
if (parentItem->lastChild == item)
parentItem->lastChild = item->prevSibling;
if (parentItem->firstChild == NULL && parentItem->lastChild == NULL
&& parentItem->cChildren > 0)
parentItem->cChildren = 0;
if (item->prevSibling)
item->prevSibling->nextSibling = item->nextSibling;
if (item->nextSibling)
item->nextSibling->prevSibling = item->prevSibling;
}
static void
TREEVIEW_RemoveItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem)
{
TRACE("%p, (%s)\n", wineItem, TREEVIEW_ItemName(wineItem));
TREEVIEW_SendTreeviewNotify(infoPtr, TVN_DELETEITEMW, TVC_UNKNOWN,
TVIF_HANDLE | TVIF_PARAM, wineItem, 0);
if (wineItem->firstChild)
TREEVIEW_RemoveAllChildren(infoPtr, wineItem);
TREEVIEW_UnlinkItem(wineItem);
infoPtr->uNumItems--;
if (wineItem->pszText != LPSTR_TEXTCALLBACKA)
COMCTL32_Free(wineItem->pszText);
TREEVIEW_FreeItem(infoPtr, wineItem);
}
/* Empty out the tree. */
static void
TREEVIEW_RemoveTree(TREEVIEW_INFO *infoPtr)
{
TREEVIEW_RemoveAllChildren(infoPtr, infoPtr->root);
assert(infoPtr->uNumItems == 0); /* root isn't counted in uNumItems */
}
static LRESULT
TREEVIEW_DeleteItem(TREEVIEW_INFO *infoPtr, HTREEITEM wineItem)
{
TREEVIEW_ITEM *oldSelection = infoPtr->selectedItem;
TREEVIEW_ITEM *newSelection = oldSelection;
TREEVIEW_ITEM *newFirstVisible = NULL;
TREEVIEW_ITEM *parent, *prev = NULL;
BOOL visible = FALSE;
if (wineItem == TVI_ROOT)
{
TRACE("TVI_ROOT\n");
parent = infoPtr->root;
newSelection = NULL;
visible = TRUE;
TREEVIEW_RemoveTree(infoPtr);
}
else
{
if (!TREEVIEW_ValidItem(infoPtr, wineItem))
return FALSE;
TRACE("%p (%s)\n", wineItem, TREEVIEW_ItemName(wineItem));
parent = wineItem->parent;
if (ISVISIBLE(wineItem))
{
prev = TREEVIEW_GetPrevListItem(infoPtr, wineItem);
visible = TRUE;
}
if (infoPtr->selectedItem != NULL
&& (wineItem == infoPtr->selectedItem
|| TREEVIEW_IsChildOf(wineItem, infoPtr->selectedItem)))
{
if (wineItem->nextSibling)
newSelection = wineItem->nextSibling;
else if (wineItem->parent != infoPtr->root)
newSelection = wineItem->parent;
}
if (infoPtr->firstVisible == wineItem)
{
if (wineItem->nextSibling)
newFirstVisible = wineItem->nextSibling;
else if (wineItem->prevSibling)
newFirstVisible = wineItem->prevSibling;
else if (wineItem->parent != infoPtr->root)
newFirstVisible = wineItem->parent;
TREEVIEW_SetFirstVisible(infoPtr, NULL, TRUE);
}
else
newFirstVisible = infoPtr->firstVisible;
TREEVIEW_RemoveItem(infoPtr, wineItem);
}
/* Don't change if somebody else already has. */
if (oldSelection == infoPtr->selectedItem)
{
if (TREEVIEW_ValidItem(infoPtr, newSelection))
TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, newSelection, TVC_UNKNOWN);
else
infoPtr->selectedItem = 0;
}
/* Validate insertMark dropItem.
* hotItem ??? - used for comparison only.
*/
if (!TREEVIEW_ValidItem(infoPtr, infoPtr->insertMarkItem))
infoPtr->insertMarkItem = 0;
if (!TREEVIEW_ValidItem(infoPtr, infoPtr->dropItem))
infoPtr->dropItem = 0;
if (!TREEVIEW_ValidItem(infoPtr, newFirstVisible))
newFirstVisible = infoPtr->root->firstChild;
TREEVIEW_VerifyTree(infoPtr);
if (visible)
{
TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible, TRUE);
TREEVIEW_RecalculateVisibleOrder(infoPtr, prev);
TREEVIEW_UpdateScrollBars(infoPtr);
TREEVIEW_Invalidate(infoPtr, NULL);
}
else if (ISVISIBLE(parent) && !TREEVIEW_HasChildren(infoPtr, parent))
{
/* parent lost '+/-' - update it */
TREEVIEW_Invalidate(infoPtr, parent);
}
return TRUE;
}
/* Get/Set Messages *********************************************************/
static LRESULT
TREEVIEW_SetRedraw(TREEVIEW_INFO* infoPtr, WPARAM wParam, LPARAM lParam)
{
if(wParam)
infoPtr->bRedraw = TRUE;
else
infoPtr->bRedraw = FALSE;
return 0;
}
static LRESULT
TREEVIEW_GetIndent(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
return infoPtr->uIndent;
}
static LRESULT
TREEVIEW_SetIndent(TREEVIEW_INFO *infoPtr, UINT newIndent)
{
TRACE("\n");
if (newIndent < MINIMUM_INDENT)
newIndent = MINIMUM_INDENT;
if (infoPtr->uIndent != newIndent)
{
infoPtr->uIndent = newIndent;
TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
TREEVIEW_UpdateScrollBars(infoPtr);
TREEVIEW_Invalidate(infoPtr, NULL);
}
return 0;
}
static LRESULT
TREEVIEW_GetToolTips(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
return (LRESULT)infoPtr->hwndToolTip;
}
static LRESULT
TREEVIEW_SetToolTips(TREEVIEW_INFO *infoPtr, HWND hwndTT)
{
HWND prevToolTip;
TRACE("\n");
prevToolTip = infoPtr->hwndToolTip;
infoPtr->hwndToolTip = hwndTT;
return (LRESULT)prevToolTip;
}
static LRESULT
TREEVIEW_GetScrollTime(TREEVIEW_INFO *infoPtr)
{
return infoPtr->uScrollTime;
}
static LRESULT
TREEVIEW_SetScrollTime(TREEVIEW_INFO *infoPtr, UINT uScrollTime)
{
UINT uOldScrollTime = infoPtr->uScrollTime;
infoPtr->uScrollTime = min(uScrollTime, 100);
return uOldScrollTime;
}
static LRESULT
TREEVIEW_GetImageList(TREEVIEW_INFO *infoPtr, WPARAM wParam)
{
TRACE("\n");
switch (wParam)
{
case (WPARAM)TVSIL_NORMAL:
return (LRESULT)infoPtr->himlNormal;
case (WPARAM)TVSIL_STATE:
return (LRESULT)infoPtr->himlState;
default:
return 0;
}
}
static LRESULT
TREEVIEW_SetImageList(TREEVIEW_INFO *infoPtr, WPARAM wParam, HIMAGELIST himlNew)
{
HIMAGELIST himlOld = 0;
int oldWidth = infoPtr->normalImageWidth;
int oldHeight = infoPtr->normalImageHeight;
TRACE("%x,%p\n", wParam, himlNew);
switch (wParam)
{
case (WPARAM)TVSIL_NORMAL:
himlOld = infoPtr->himlNormal;
infoPtr->himlNormal = himlNew;
if (himlNew != NULL)
ImageList_GetIconSize(himlNew, &infoPtr->normalImageWidth,
&infoPtr->normalImageHeight);
else
{
infoPtr->normalImageWidth = 0;
infoPtr->normalImageHeight = 0;
}
break;
case (WPARAM)TVSIL_STATE:
himlOld = infoPtr->himlState;
infoPtr->himlState = himlNew;
if (himlNew != NULL)
ImageList_GetIconSize(himlNew, &infoPtr->stateImageWidth,
&infoPtr->stateImageHeight);
else
{
infoPtr->stateImageWidth = 0;
infoPtr->stateImageHeight = 0;
}
break;
}
if (oldWidth != infoPtr->normalImageWidth ||
oldHeight != infoPtr->normalImageHeight)
{
TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
TREEVIEW_UpdateScrollBars(infoPtr);
}
TREEVIEW_Invalidate(infoPtr, NULL);
return (LRESULT)himlOld;
}
/* Compute the natural height (based on the font size) for items. */
static UINT
TREEVIEW_NaturalHeight(TREEVIEW_INFO *infoPtr)
{
TEXTMETRICA tm;
HDC hdc = GetDC(0);
HFONT hOldFont = SelectObject(hdc, infoPtr->hFont);
GetTextMetricsA(hdc, &tm);
SelectObject(hdc, hOldFont);
ReleaseDC(0, hdc);
/* The 16 is a hack because our fonts are tiny. */
/* add 2 for the focus border and 1 more for margin some apps assume */
return max(16, tm.tmHeight + tm.tmExternalLeading + 3);
}
static LRESULT
TREEVIEW_SetItemHeight(TREEVIEW_INFO *infoPtr, INT newHeight)
{
INT prevHeight = infoPtr->uItemHeight;
TRACE("%d \n", newHeight);
if (newHeight == -1)
{
infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
infoPtr->bHeightSet = FALSE;
}
else
{
infoPtr->uItemHeight = newHeight;
infoPtr->bHeightSet = TRUE;
}
/* Round down, unless we support odd ("non even") heights. */
if (!(infoPtr->dwStyle) & TVS_NONEVENHEIGHT)
infoPtr->uItemHeight &= ~1;
if (infoPtr->uItemHeight != prevHeight)
{
TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
TREEVIEW_UpdateScrollBars(infoPtr);
TREEVIEW_Invalidate(infoPtr, NULL);
}
return prevHeight;
}
static LRESULT
TREEVIEW_GetItemHeight(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
return infoPtr->uItemHeight;
}
static LRESULT
TREEVIEW_GetFont(TREEVIEW_INFO *infoPtr)
{
TRACE("%p\n", infoPtr->hFont);
return (LRESULT)infoPtr->hFont;
}
static INT CALLBACK
TREEVIEW_ResetTextWidth(LPVOID pItem, DWORD unused)
{
(void)unused;
((TREEVIEW_ITEM *)pItem)->textWidth = 0;
return 1;
}
static LRESULT
TREEVIEW_SetFont(TREEVIEW_INFO *infoPtr, HFONT hFont, BOOL bRedraw)
{
UINT uHeight = infoPtr->uItemHeight;
TRACE("%p %i\n", hFont, bRedraw);
infoPtr->hFont = hFont ? hFont : GetStockObject(SYSTEM_FONT);
DeleteObject(infoPtr->hBoldFont);
infoPtr->hBoldFont = TREEVIEW_CreateBoldFont(infoPtr->hFont);
if (!infoPtr->bHeightSet)
infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
if (uHeight != infoPtr->uItemHeight)
TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
DPA_EnumCallback(infoPtr->items, TREEVIEW_ResetTextWidth, 0);
TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
TREEVIEW_UpdateScrollBars(infoPtr);
if (bRedraw)
TREEVIEW_Invalidate(infoPtr, NULL);
return 0;
}
static LRESULT
TREEVIEW_GetLineColor(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
return (LRESULT)infoPtr->clrLine;
}
static LRESULT
TREEVIEW_SetLineColor(TREEVIEW_INFO *infoPtr, COLORREF color)
{
COLORREF prevColor = infoPtr->clrLine;
TRACE("\n");
infoPtr->clrLine = color;
return (LRESULT)prevColor;
}
static LRESULT
TREEVIEW_GetTextColor(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
return (LRESULT)infoPtr->clrText;
}
static LRESULT
TREEVIEW_SetTextColor(TREEVIEW_INFO *infoPtr, COLORREF color)
{
COLORREF prevColor = infoPtr->clrText;
TRACE("\n");
infoPtr->clrText = color;
if (infoPtr->clrText != prevColor)
TREEVIEW_Invalidate(infoPtr, NULL);
return (LRESULT)prevColor;
}
static LRESULT
TREEVIEW_GetBkColor(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
return (LRESULT)infoPtr->clrBk;
}
static LRESULT
TREEVIEW_SetBkColor(TREEVIEW_INFO *infoPtr, COLORREF newColor)
{
COLORREF prevColor = infoPtr->clrBk;
TRACE("\n");
infoPtr->clrBk = newColor;
if (newColor != prevColor)
TREEVIEW_Invalidate(infoPtr, NULL);
return (LRESULT)prevColor;
}
static LRESULT
TREEVIEW_GetInsertMarkColor(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
return (LRESULT)infoPtr->clrInsertMark;
}
static LRESULT
TREEVIEW_SetInsertMarkColor(TREEVIEW_INFO *infoPtr, COLORREF color)
{
COLORREF prevColor = infoPtr->clrInsertMark;
TRACE("%lx\n", color);
infoPtr->clrInsertMark = color;
return (LRESULT)prevColor;
}
static LRESULT
TREEVIEW_SetInsertMark(TREEVIEW_INFO *infoPtr, BOOL wParam, HTREEITEM item)
{
TRACE("%d %p\n", wParam, item);
if (!TREEVIEW_ValidItem(infoPtr, item))
return 0;
infoPtr->insertBeforeorAfter = wParam;
infoPtr->insertMarkItem = item;
TREEVIEW_Invalidate(infoPtr, NULL);
return 1;
}
/************************************************************************
* Some serious braindamage here. lParam is a pointer to both the
* input HTREEITEM and the output RECT.
*/
static LRESULT
TREEVIEW_GetItemRect(TREEVIEW_INFO *infoPtr, BOOL fTextRect, LPRECT lpRect)
{
TREEVIEW_ITEM *wineItem;
const HTREEITEM *pItem = (HTREEITEM *)lpRect;
TRACE("\n");
/*
* validate parameters
*/
if (pItem == NULL)
return FALSE;
wineItem = *pItem;
if (!TREEVIEW_ValidItem(infoPtr, wineItem) || !ISVISIBLE(wineItem))
return FALSE;
/*
* If wParam is TRUE return the text size otherwise return
* the whole item size
*/
if (fTextRect)
{
/* Windows does not send TVN_GETDISPINFO here. */
lpRect->top = wineItem->rect.top;
lpRect->bottom = wineItem->rect.bottom;
lpRect->left = wineItem->textOffset;
lpRect->right = wineItem->textOffset + wineItem->textWidth;
}
else
{
*lpRect = wineItem->rect;
}
TRACE("%s [L:%ld R:%ld T:%ld B:%ld]\n", fTextRect ? "text" : "item",
lpRect->left, lpRect->right, lpRect->top, lpRect->bottom);
return TRUE;
}
static inline LRESULT
TREEVIEW_GetVisibleCount(TREEVIEW_INFO *infoPtr)
{
/* Suprise! This does not take integral height into account. */
return infoPtr->clientHeight / infoPtr->uItemHeight;
}
static LRESULT
TREEVIEW_GetItemA(TREEVIEW_INFO *infoPtr, LPTVITEMEXA tvItem)
{
TREEVIEW_ITEM *wineItem;
wineItem = tvItem->hItem;
if (!TREEVIEW_ValidItem(infoPtr, wineItem))
return FALSE;
TREEVIEW_UpdateDispInfo(infoPtr, wineItem, tvItem->mask);
if (tvItem->mask & TVIF_CHILDREN)
tvItem->cChildren = wineItem->cChildren;
if (tvItem->mask & TVIF_HANDLE)
tvItem->hItem = wineItem;
if (tvItem->mask & TVIF_IMAGE)
tvItem->iImage = wineItem->iImage;
if (tvItem->mask & TVIF_INTEGRAL)
tvItem->iIntegral = wineItem->iIntegral;
/* undocumented: windows ignores TVIF_PARAM and
* * always sets lParam
*/
tvItem->lParam = wineItem->lParam;
if (tvItem->mask & TVIF_SELECTEDIMAGE)
tvItem->iSelectedImage = wineItem->iSelectedImage;
if (tvItem->mask & TVIF_STATE) {
/* Careful here - Windows ignores the stateMask when you get the state
That contradicts the documentation, but makes more common sense, masking
retrieval in this way seems overkill */
tvItem->state = wineItem->state;
}
if (tvItem->mask & TVIF_TEXT)
lstrcpynA(tvItem->pszText, wineItem->pszText, tvItem->cchTextMax);
TRACE("item <%p>, txt %p, img %p, mask %x\n",
wineItem, tvItem->pszText, &tvItem->iImage, tvItem->mask);
return TRUE;
}
/* Beware MSDN Library Visual Studio 6.0. It says -1 on failure, 0 on success,
* which is wrong. */
static LRESULT
TREEVIEW_SetItemA(TREEVIEW_INFO *infoPtr, LPTVITEMEXA tvItem)
{
TREEVIEW_ITEM *wineItem;
TREEVIEW_ITEM originalItem;
wineItem = tvItem->hItem;
TRACE("item %d,mask %x\n", TREEVIEW_GetItemIndex(infoPtr, wineItem),
tvItem->mask);
if (!TREEVIEW_ValidItem(infoPtr, wineItem))
return FALSE;
/* store the orignal item values */
originalItem = *wineItem;
if (!TREEVIEW_DoSetItem(infoPtr, wineItem, tvItem))
return FALSE;
/* If the text or TVIS_BOLD was changed, and it is visible, recalculate. */
if ((tvItem->mask & TVIF_TEXT
|| (tvItem->mask & TVIF_STATE && tvItem->stateMask & TVIS_BOLD))
&& ISVISIBLE(wineItem))
{
TREEVIEW_UpdateDispInfo(infoPtr, wineItem, TVIF_TEXT);
TREEVIEW_ComputeTextWidth(infoPtr, wineItem, 0);
}
if (tvItem->mask != 0 && ISVISIBLE(wineItem))
{
/* The refresh updates everything, but we can't wait until then. */
TREEVIEW_ComputeItemInternalMetrics(infoPtr, wineItem);
/* if any of the items values changed, redraw the item */
if(memcmp(&originalItem, wineItem, sizeof(TREEVIEW_ITEM)))
{
if (tvItem->mask & TVIF_INTEGRAL)
{
TREEVIEW_RecalculateVisibleOrder(infoPtr, wineItem);
TREEVIEW_UpdateScrollBars(infoPtr);
TREEVIEW_Invalidate(infoPtr, NULL);
}
else
{
TREEVIEW_UpdateScrollBars(infoPtr);
TREEVIEW_Invalidate(infoPtr, wineItem);
}
}
}
return TRUE;
}
static LRESULT
TREEVIEW_GetItemW(TREEVIEW_INFO *infoPtr, LPTVITEMEXW tvItem)
{
TREEVIEW_ITEM *wineItem;
INT iItem;
iItem = (INT)tvItem->hItem;
wineItem = tvItem->hItem;
if(!TREEVIEW_ValidItem (infoPtr, wineItem))
return FALSE;
TREEVIEW_UpdateDispInfo(infoPtr, wineItem, tvItem->mask);
if (tvItem->mask & TVIF_CHILDREN) {
if (TVIF_CHILDREN==I_CHILDRENCALLBACK)
FIXME("I_CHILDRENCALLBACK not supported\n");
tvItem->cChildren = wineItem->cChildren;
}
if (tvItem->mask & TVIF_HANDLE) {
tvItem->hItem = wineItem;
}
if (tvItem->mask & TVIF_IMAGE) {
tvItem->iImage = wineItem->iImage;
}
if (tvItem->mask & TVIF_INTEGRAL) {
tvItem->iIntegral = wineItem->iIntegral;
}
/* undocumented: windows ignores TVIF_PARAM and
* always sets lParam */
tvItem->lParam = wineItem->lParam;
if (tvItem->mask & TVIF_SELECTEDIMAGE) {
tvItem->iSelectedImage = wineItem->iSelectedImage;
}
if (tvItem->mask & TVIF_STATE) {
tvItem->state = wineItem->state & tvItem->stateMask;
}
if (tvItem->mask & TVIF_TEXT) {
if (wineItem->pszText == LPSTR_TEXTCALLBACKA) {
tvItem->pszText = LPSTR_TEXTCALLBACKW;
FIXME(" GetItem called with LPSTR_TEXTCALLBACK\n");
}
else if (wineItem->pszText) {
TRACE("orig str %s at %p\n",
debugstr_a(wineItem->pszText), wineItem->pszText);
MultiByteToWideChar(CP_ACP, 0, wineItem->pszText,
-1 , tvItem->pszText, tvItem->cchTextMax);
}
}
TRACE("item %d<%p>, txt %p<%s>, img %p, action %x\n",
iItem, tvItem, tvItem->pszText, debugstr_w(tvItem->pszText),
&tvItem->iImage, tvItem->mask);
return TRUE;
}
static LRESULT
TREEVIEW_SetItemW(TREEVIEW_INFO *infoPtr, LPTVITEMEXW tvItem)
{
TVITEMEXA tvItemA;
INT len;
LRESULT rc;
tvItemA.mask = tvItem->mask;
tvItemA.hItem = tvItem->hItem;
tvItemA.state = tvItem->state;
tvItemA.stateMask = tvItem->stateMask;
if (tvItem->mask & TVIF_TEXT) {
len = WideCharToMultiByte(CP_ACP, 0, tvItem->pszText, -1,
NULL ,0 , NULL,NULL);
if (len) {
len ++;
tvItemA.pszText = HeapAlloc(GetProcessHeap(),0,len*sizeof(WCHAR));
len = WideCharToMultiByte(CP_ACP, 0, tvItem->pszText, -1,
tvItemA.pszText ,len*sizeof(WCHAR),
NULL,NULL);
}
else
tvItemA.pszText = NULL;
}
tvItemA.cchTextMax = tvItem->cchTextMax;
tvItemA.iImage = tvItem->iImage;
tvItemA.iSelectedImage = tvItem->iSelectedImage;
tvItemA.cChildren = tvItem->cChildren;
tvItemA.lParam = tvItem->lParam;
tvItemA.iIntegral = tvItem->iIntegral;
rc = TREEVIEW_SetItemA(infoPtr,&tvItemA);
HeapFree(GetProcessHeap(),0,tvItemA.pszText);
return rc;
}
static LRESULT
TREEVIEW_GetItemState(TREEVIEW_INFO *infoPtr, HTREEITEM wineItem, UINT mask)
{
TRACE("\n");
if (!wineItem || !TREEVIEW_ValidItem(infoPtr, wineItem))
return 0;
return (wineItem->state & mask);
}
static LRESULT
TREEVIEW_GetNextItem(TREEVIEW_INFO *infoPtr, UINT which, HTREEITEM wineItem)
{
TREEVIEW_ITEM *retval;
retval = 0;
/* handle all the global data here */
switch (which)
{
case TVGN_CHILD: /* Special case: child of 0 is root */
if (wineItem)
break;
/* fall through */
case TVGN_ROOT:
retval = infoPtr->root->firstChild;
break;
case TVGN_CARET:
retval = infoPtr->selectedItem;
break;
case TVGN_FIRSTVISIBLE:
retval = infoPtr->firstVisible;
break;
case TVGN_DROPHILITE:
retval = infoPtr->dropItem;
break;
case TVGN_LASTVISIBLE:
retval = TREEVIEW_GetLastListItem(infoPtr, infoPtr->root);
break;
}
if (retval)
{
TRACE("flags:%x, returns %p\n", which, retval);
return (LRESULT)retval;
}
if (wineItem == TVI_ROOT) wineItem = infoPtr->root;
if (!TREEVIEW_ValidItem(infoPtr, wineItem))
return FALSE;
switch (which)
{
case TVGN_NEXT:
retval = wineItem->nextSibling;
break;
case TVGN_PREVIOUS:
retval = wineItem->prevSibling;
break;
case TVGN_PARENT:
retval = (wineItem->parent != infoPtr->root) ? wineItem->parent : NULL;
break;
case TVGN_CHILD:
retval = wineItem->firstChild;
break;
case TVGN_NEXTVISIBLE:
retval = TREEVIEW_GetNextListItem(infoPtr, wineItem);
break;
case TVGN_PREVIOUSVISIBLE:
retval = TREEVIEW_GetPrevListItem(infoPtr, wineItem);
break;
default:
TRACE("Unknown msg %x,item %p\n", which, wineItem);
break;
}
TRACE("flags:%x, item %p;returns %p\n", which, wineItem, retval);
return (LRESULT)retval;
}
static LRESULT
TREEVIEW_GetCount(TREEVIEW_INFO *infoPtr)
{
TRACE(" %d\n", infoPtr->uNumItems);
return (LRESULT)infoPtr->uNumItems;
}
static VOID
TREEVIEW_ToggleItemState(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
if (infoPtr->dwStyle & TVS_CHECKBOXES)
{
static const unsigned int state_table[] = { 0, 2, 1 };
unsigned int state;
state = STATEIMAGEINDEX(item->state);
TRACE("state:%x\n", state);
item->state &= ~TVIS_STATEIMAGEMASK;
if (state < 3)
state = state_table[state];
item->state |= INDEXTOSTATEIMAGEMASK(state);
TRACE("state:%x\n", state);
TREEVIEW_Invalidate(infoPtr, item);
}
}
/* Painting *************************************************************/
/* Draw the lines and expand button for an item. Also draws one section
* of the line from item's parent to item's parent's next sibling. */
static void
TREEVIEW_DrawItemLines(TREEVIEW_INFO *infoPtr, HDC hdc, TREEVIEW_ITEM *item)
{
LONG centerx, centery;
BOOL lar = ((infoPtr->dwStyle
& (TVS_LINESATROOT|TVS_HASLINES|TVS_HASBUTTONS))
> TVS_LINESATROOT);
if (!lar && item->iLevel == 0)
return;
centerx = (item->linesOffset + item->stateOffset) / 2;
centery = (item->rect.top + item->rect.bottom) / 2;
if (infoPtr->dwStyle & TVS_HASLINES)
{
HPEN hOldPen, hNewPen;
HTREEITEM parent;
/*
* Get a dotted grey pen
*/
hNewPen = CreatePen(PS_ALTERNATE, 0, infoPtr->clrLine);
hOldPen = SelectObject(hdc, hNewPen);
MoveToEx(hdc, item->stateOffset, centery, NULL);
LineTo(hdc, centerx - 1, centery);
if (item->prevSibling || item->parent != infoPtr->root)
{
MoveToEx(hdc, centerx, item->rect.top, NULL);
LineTo(hdc, centerx, centery);
}
if (item->nextSibling)
{
MoveToEx(hdc, centerx, centery, NULL);
LineTo(hdc, centerx, item->rect.bottom + 1);
}
/* Draw the line from our parent to its next sibling. */
parent = item->parent;
while (parent != infoPtr->root)
{
int pcenterx = (parent->linesOffset + parent->stateOffset) / 2;
if (parent->nextSibling
/* skip top-levels unless TVS_LINESATROOT */
&& parent->stateOffset > parent->linesOffset)
{
MoveToEx(hdc, pcenterx, item->rect.top, NULL);
LineTo(hdc, pcenterx, item->rect.bottom + 1);
}
parent = parent->parent;
}
SelectObject(hdc, hOldPen);
DeleteObject(hNewPen);
}
/*
* Display the (+/-) signs
*/
if (infoPtr->dwStyle & TVS_HASBUTTONS)
{
if (item->cChildren)
{
LONG height = item->rect.bottom - item->rect.top;
LONG width = item->stateOffset - item->linesOffset;
LONG rectsize = min(height, width) / 4;
/* plussize = ceil(rectsize * 3/4) */
LONG plussize = (rectsize + 1) * 3 / 4;
HPEN hNewPen = CreatePen(PS_SOLID, 0, infoPtr->clrLine);
HPEN hOldPen = SelectObject(hdc, hNewPen);
HBRUSH hbr = CreateSolidBrush(infoPtr->clrBk);
HBRUSH hbrOld = SelectObject(hdc, hbr);
Rectangle(hdc, centerx - rectsize, centery - rectsize,
centerx + rectsize + 1, centery + rectsize + 1);
SelectObject(hdc, hbrOld);
DeleteObject(hbr);
SelectObject(hdc, hOldPen);
DeleteObject(hNewPen);
MoveToEx(hdc, centerx - plussize + 1, centery, NULL);
LineTo(hdc, centerx + plussize, centery);
if (!(item->state & TVIS_EXPANDED))
{
MoveToEx(hdc, centerx, centery - plussize + 1, NULL);
LineTo(hdc, centerx, centery + plussize);
}
}
}
}
static void
TREEVIEW_DrawItem(TREEVIEW_INFO *infoPtr, HDC hdc, TREEVIEW_ITEM *wineItem)
{
INT cditem;
HFONT hOldFont;
int centery;
hOldFont = SelectObject(hdc, TREEVIEW_FontForItem(infoPtr, wineItem));
TREEVIEW_UpdateDispInfo(infoPtr, wineItem, CALLBACK_MASK_ALL);
/* The custom draw handler can query the text rectangle,
* so get ready. */
TREEVIEW_ComputeTextWidth(infoPtr, wineItem, hdc);
cditem = 0;
if (infoPtr->cdmode & CDRF_NOTIFYITEMDRAW)
{
cditem = TREEVIEW_SendCustomDrawItemNotify
(infoPtr, hdc, wineItem, CDDS_ITEMPREPAINT);
TRACE("prepaint:cditem-app returns 0x%x\n", cditem);
if (cditem & CDRF_SKIPDEFAULT)
{
SelectObject(hdc, hOldFont);
return;
}
}
if (cditem & CDRF_NEWFONT)
TREEVIEW_ComputeTextWidth(infoPtr, wineItem, hdc);
TREEVIEW_DrawItemLines(infoPtr, hdc, wineItem);
centery = (wineItem->rect.top + wineItem->rect.bottom) / 2;
/*
* Display the images associated with this item
*/
{
INT imageIndex;
/* State images are displayed to the left of the Normal image
* image number is in state; zero should be `display no image'.
*/
imageIndex = STATEIMAGEINDEX(wineItem->state);
if (infoPtr->himlState && imageIndex)
{
ImageList_Draw(infoPtr->himlState, imageIndex, hdc,
wineItem->stateOffset,
centery - infoPtr->stateImageHeight / 2,
ILD_NORMAL);
}
/* Now, draw the normal image; can be either selected or
* non-selected image.
*/
if ((wineItem->state & TVIS_SELECTED) && (wineItem->iSelectedImage))
{
/* The item is currently selected */
imageIndex = wineItem->iSelectedImage;
}
else
{
/* The item is not selected */
imageIndex = wineItem->iImage;
}
if (infoPtr->himlNormal)
{
int ovlIdx = wineItem->state & TVIS_OVERLAYMASK;
ImageList_Draw(infoPtr->himlNormal, imageIndex, hdc,
wineItem->imageOffset,
centery - infoPtr->normalImageHeight / 2,
ILD_NORMAL | ovlIdx);
}
}
/*
* Display the text associated with this item
*/
/* Don't paint item's text if it's being edited */
if (!infoPtr->hwndEdit || (infoPtr->selectedItem != wineItem))
{
if (wineItem->pszText)
{
COLORREF oldTextColor = 0;
INT oldBkMode;
HBRUSH hbrBk = 0;
BOOL inFocus = (GetFocus() == infoPtr->hwnd);
RECT rcText;
oldBkMode = SetBkMode(hdc, TRANSPARENT);
/* - If item is drop target or it is selected and window is in focus -
* use blue background (COLOR_HIGHLIGHT).
* - If item is selected, window is not in focus, but it has style
* TVS_SHOWSELALWAYS - use grey background (COLOR_BTNFACE)
* - Otherwise - don't fill background
*/
if ((wineItem->state & TVIS_DROPHILITED) || ((wineItem == infoPtr->focusedItem) && !(wineItem->state & TVIS_SELECTED)) ||
((wineItem->state & TVIS_SELECTED) && (!infoPtr->focusedItem) &&
(inFocus || (infoPtr->dwStyle & TVS_SHOWSELALWAYS))))
{
if ((wineItem->state & TVIS_DROPHILITED) || inFocus)
{
hbrBk = CreateSolidBrush(GetSysColor(COLOR_HIGHLIGHT));
oldTextColor =
SetTextColor(hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
}
else
{
hbrBk = CreateSolidBrush(GetSysColor(COLOR_BTNFACE));
if (infoPtr->clrText == -1)
oldTextColor =
SetTextColor(hdc, GetSysColor(COLOR_WINDOWTEXT));
else
oldTextColor = SetTextColor(hdc, infoPtr->clrText);
}
}
else
{
if (infoPtr->clrText == -1)
oldTextColor =
SetTextColor(hdc, GetSysColor(COLOR_WINDOWTEXT));
else
oldTextColor = SetTextColor(hdc, infoPtr->clrText);
}
rcText.top = wineItem->rect.top;
rcText.bottom = wineItem->rect.bottom;
rcText.left = wineItem->textOffset;
rcText.right = rcText.left + wineItem->textWidth + 4;
if (hbrBk)
{
FillRect(hdc, &rcText, hbrBk);
DeleteObject(hbrBk);
}
/* Draw the box around the selected item */
if ((wineItem == infoPtr->selectedItem) && inFocus)
{
DrawFocusRect(hdc,&rcText);
}
InflateRect(&rcText, -2, -1); /* allow for the focus rect */
TRACE("drawing text %s at (%ld,%ld)-(%ld,%ld)\n",
debugstr_a(wineItem->pszText),
rcText.left, rcText.top, rcText.right, rcText.bottom);
/* Draw it */
DrawTextA(hdc,
wineItem->pszText,
lstrlenA(wineItem->pszText),
&rcText,
DT_CENTER | DT_VCENTER | DT_SINGLELINE | DT_NOPREFIX);
/* Restore the hdc state */
SetTextColor(hdc, oldTextColor);
if (oldBkMode != TRANSPARENT)
SetBkMode(hdc, oldBkMode);
}
}
/* Draw insertion mark if necessary */
if (infoPtr->insertMarkItem)
TRACE("item:%d,mark:%d\n",
TREEVIEW_GetItemIndex(infoPtr, wineItem),
(int)infoPtr->insertMarkItem);
if (wineItem == infoPtr->insertMarkItem)
{
HPEN hNewPen, hOldPen;
int offset;
int left, right;
hNewPen = CreatePen(PS_SOLID, 2, infoPtr->clrInsertMark);
hOldPen = SelectObject(hdc, hNewPen);
if (infoPtr->insertBeforeorAfter)
offset = wineItem->rect.bottom - 1;
else
offset = wineItem->rect.top + 1;
left = wineItem->textOffset - 2;
right = wineItem->textOffset + wineItem->textWidth + 2;
MoveToEx(hdc, left, offset - 3, NULL);
LineTo(hdc, left, offset + 4);
MoveToEx(hdc, left, offset, NULL);
LineTo(hdc, right + 1, offset);
MoveToEx(hdc, right, offset + 3, NULL);
LineTo(hdc, right, offset - 4);
SelectObject(hdc, hOldPen);
DeleteObject(hNewPen);
}
if (cditem & CDRF_NOTIFYPOSTPAINT)
{
cditem = TREEVIEW_SendCustomDrawItemNotify
(infoPtr, hdc, wineItem, CDDS_ITEMPOSTPAINT);
TRACE("postpaint:cditem-app returns 0x%x\n", cditem);
}
SelectObject(hdc, hOldFont);
}
/* Computes treeHeight and treeWidth and updates the scroll bars.
*/
static void
TREEVIEW_UpdateScrollBars(TREEVIEW_INFO *infoPtr)
{
TREEVIEW_ITEM *wineItem;
HWND hwnd = infoPtr->hwnd;
BOOL vert = FALSE;
BOOL horz = FALSE;
SCROLLINFO si;
LONG scrollX = infoPtr->scrollX;
infoPtr->treeWidth = 0;
infoPtr->treeHeight = 0;
/* We iterate through all visible items in order to get the tree height
* and width */
wineItem = infoPtr->root->firstChild;
while (wineItem != NULL)
{
if (ISVISIBLE(wineItem))
{
/* actually we draw text at textOffset + 2 */
if (2+wineItem->textOffset+wineItem->textWidth > infoPtr->treeWidth)
infoPtr->treeWidth = wineItem->textOffset+wineItem->textWidth+2;
/* This is scroll-adjusted, but we fix this below. */
infoPtr->treeHeight = wineItem->rect.bottom;
}
wineItem = TREEVIEW_GetNextListItem(infoPtr, wineItem);
}
/* Fix the scroll adjusted treeHeight and treeWidth. */
if (infoPtr->root->firstChild)
infoPtr->treeHeight -= infoPtr->root->firstChild->rect.top;
infoPtr->treeWidth += infoPtr->scrollX;
if (infoPtr->dwStyle & TVS_NOSCROLL) return;
/* Adding one scroll bar may take up enough space that it forces us
* to add the other as well. */
if (infoPtr->treeHeight > infoPtr->clientHeight)
{
vert = TRUE;
if (infoPtr->treeWidth
> infoPtr->clientWidth - GetSystemMetrics(SM_CXVSCROLL))
horz = TRUE;
}
else if (infoPtr->treeWidth > infoPtr->clientWidth)
horz = TRUE;
if (!vert && horz && infoPtr->treeHeight
> infoPtr->clientHeight - GetSystemMetrics(SM_CYVSCROLL))
vert = TRUE;
if (horz && (infoPtr->dwStyle & TVS_NOHSCROLL)) horz = FALSE;
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_POS|SIF_RANGE|SIF_PAGE;
si.nMin = 0;
if (vert)
{
si.nPage = TREEVIEW_GetVisibleCount(infoPtr);
if ( si.nPage )
{
si.nPos = infoPtr->firstVisible->visibleOrder;
si.nMax = infoPtr->maxVisibleOrder - 1;
SetScrollInfo(hwnd, SB_VERT, &si, TRUE);
if (!(infoPtr->uInternalStatus & TV_VSCROLL))
ShowScrollBar(hwnd, SB_VERT, TRUE);
infoPtr->uInternalStatus |= TV_VSCROLL;
}
else
{
if (infoPtr->uInternalStatus & TV_VSCROLL)
ShowScrollBar(hwnd, SB_VERT, FALSE);
infoPtr->uInternalStatus &= ~TV_VSCROLL;
}
}
else
{
if (infoPtr->uInternalStatus & TV_VSCROLL)
ShowScrollBar(hwnd, SB_VERT, FALSE);
infoPtr->uInternalStatus &= ~TV_VSCROLL;
}
if (horz)
{
si.nPage = infoPtr->clientWidth;
si.nPos = infoPtr->scrollX;
si.nMax = infoPtr->treeWidth - 1;
if (si.nPos > si.nMax - max( si.nPage-1, 0 ))
{
si.nPos = si.nMax - max( si.nPage-1, 0 );
scrollX = si.nPos;
}
if (!(infoPtr->uInternalStatus & TV_HSCROLL))
ShowScrollBar(hwnd, SB_HORZ, TRUE);
infoPtr->uInternalStatus |= TV_HSCROLL;
SetScrollInfo(hwnd, SB_HORZ, &si, TRUE);
}
else
{
if (infoPtr->uInternalStatus & TV_HSCROLL)
ShowScrollBar(hwnd, SB_HORZ, FALSE);
infoPtr->uInternalStatus &= ~TV_HSCROLL;
scrollX = 0;
}
if (infoPtr->scrollX != scrollX)
{
TREEVIEW_HScroll(infoPtr,
MAKEWPARAM(SB_THUMBPOSITION, scrollX));
}
if (!horz)
infoPtr->uInternalStatus &= ~TV_HSCROLL;
}
/* CtrlSpy doesn't mention this, but CorelDRAW's object manager needs it. */
static LRESULT
TREEVIEW_EraseBackground(TREEVIEW_INFO *infoPtr, HDC hDC)
{
HBRUSH hBrush = CreateSolidBrush(infoPtr->clrBk);
RECT rect;
GetClientRect(infoPtr->hwnd, &rect);
FillRect(hDC, &rect, hBrush);
DeleteObject(hBrush);
return 1;
}
static void
TREEVIEW_Refresh(TREEVIEW_INFO *infoPtr, HDC hdc, RECT *rc)
{
HWND hwnd = infoPtr->hwnd;
RECT rect = *rc;
TREEVIEW_ITEM *wineItem;
if (infoPtr->clientHeight == 0 || infoPtr->clientWidth == 0)
{
TRACE("empty window\n");
return;
}
infoPtr->cdmode = TREEVIEW_SendCustomDrawNotify(infoPtr, CDDS_PREPAINT,
hdc, rect);
if (infoPtr->cdmode == CDRF_SKIPDEFAULT)
{
ReleaseDC(hwnd, hdc);
return;
}
for (wineItem = infoPtr->root->firstChild;
wineItem != NULL;
wineItem = TREEVIEW_GetNextListItem(infoPtr, wineItem))
{
if (ISVISIBLE(wineItem))
{
/* Avoid unneeded calculations */
if (wineItem->rect.top > rect.bottom)
break;
if (wineItem->rect.bottom < rect.top)
continue;
TREEVIEW_DrawItem(infoPtr, hdc, wineItem);
}
}
TREEVIEW_UpdateScrollBars(infoPtr);
if (infoPtr->cdmode & CDRF_NOTIFYPOSTPAINT)
infoPtr->cdmode =
TREEVIEW_SendCustomDrawNotify(infoPtr, CDDS_POSTPAINT, hdc, rect);
}
static void
TREEVIEW_Invalidate(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
if (item != NULL)
InvalidateRect(infoPtr->hwnd, &item->rect, TRUE);
else
InvalidateRect(infoPtr->hwnd, NULL, TRUE);
}
static LRESULT
TREEVIEW_Paint(TREEVIEW_INFO *infoPtr, WPARAM wParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rc;
TRACE("\n");
if (wParam)
{
hdc = (HDC)wParam;
if (!GetUpdateRect(infoPtr->hwnd, &rc, TRUE))
{
HBITMAP hbitmap;
BITMAP bitmap;
hbitmap = GetCurrentObject(hdc, OBJ_BITMAP);
if (!hbitmap) return 0;
GetObjectA(hbitmap, sizeof(BITMAP), &bitmap);
rc.left = 0; rc.top = 0;
rc.right = bitmap.bmWidth;
rc.bottom = bitmap.bmHeight;
TREEVIEW_EraseBackground(infoPtr, (HDC)wParam);
}
}
else
{
hdc = BeginPaint(infoPtr->hwnd, &ps);
rc = ps.rcPaint;
}
if(infoPtr->bRedraw) /* WM_SETREDRAW sets bRedraw */
TREEVIEW_Refresh(infoPtr, hdc, &rc);
if (!wParam)
EndPaint(infoPtr->hwnd, &ps);
return 0;
}
/* Sorting **************************************************************/
/***************************************************************************
* Forward the DPA local callback to the treeview owner callback
*/
static INT WINAPI
TREEVIEW_CallBackCompare(TREEVIEW_ITEM *first, TREEVIEW_ITEM *second, LPTVSORTCB pCallBackSort)
{
/* Forward the call to the client-defined callback */
return pCallBackSort->lpfnCompare(first->lParam,
second->lParam,
pCallBackSort->lParam);
}
/***************************************************************************
* Treeview native sort routine: sort on item text.
*/
static INT WINAPI
TREEVIEW_SortOnName(TREEVIEW_ITEM *first, TREEVIEW_ITEM *second,
TREEVIEW_INFO *infoPtr)
{
TREEVIEW_UpdateDispInfo(infoPtr, first, TVIF_TEXT);
TREEVIEW_UpdateDispInfo(infoPtr, second, TVIF_TEXT);
return strcasecmp(first->pszText, second->pszText);
}
/* Returns the number of physical children belonging to item. */
static INT
TREEVIEW_CountChildren(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
INT cChildren = 0;
HTREEITEM hti;
for (hti = item->firstChild; hti != NULL; hti = hti->nextSibling)
cChildren++;
return cChildren;
}
/* Returns a DPA containing a pointer to each physical child of item in
* sibling order. If item has no children, an empty DPA is returned. */
static HDPA
TREEVIEW_BuildChildDPA(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
HTREEITEM child = item->firstChild;
HDPA list = DPA_Create(8);
if (list == 0) return NULL;
for (child = item->firstChild; child != NULL; child = child->nextSibling)
{
if (DPA_InsertPtr(list, INT_MAX, child) == -1)
{
DPA_Destroy(list);
return NULL;
}
}
return list;
}
/***************************************************************************
* Setup the treeview structure with regards of the sort method
* and sort the children of the TV item specified in lParam
* fRecurse: currently unused. Should be zero.
* parent: if pSort!=NULL, should equal pSort->hParent.
* otherwise, item which child items are to be sorted.
* pSort: sort method info. if NULL, sort on item text.
* if non-NULL, sort on item's lParam content, and let the
* application decide what that means. See also TVM_SORTCHILDRENCB.
*/
static LRESULT
TREEVIEW_Sort(TREEVIEW_INFO *infoPtr, BOOL fRecurse, HTREEITEM parent,
LPTVSORTCB pSort)
{
INT cChildren;
PFNDPACOMPARE pfnCompare;
LPARAM lpCompare;
/* undocumented feature: TVI_ROOT or NULL means `sort the whole tree' */
if (parent == TVI_ROOT || parent == NULL)
parent = infoPtr->root;
/* Check for a valid handle to the parent item */
if (!TREEVIEW_ValidItem(infoPtr, parent))
{
ERR("invalid item hParent=%x\n", (INT)parent);
return FALSE;
}
if (pSort)
{
pfnCompare = (PFNDPACOMPARE)TREEVIEW_CallBackCompare;
lpCompare = (LPARAM)pSort;
}
else
{
pfnCompare = (PFNDPACOMPARE)TREEVIEW_SortOnName;
lpCompare = (LPARAM)infoPtr;
}
cChildren = TREEVIEW_CountChildren(infoPtr, parent);
/* Make sure there is something to sort */
if (cChildren > 1)
{
/* TREEVIEW_ITEM rechaining */
INT count = 0;
HTREEITEM item = 0;
HTREEITEM nextItem = 0;
HTREEITEM prevItem = 0;
HDPA sortList = TREEVIEW_BuildChildDPA(infoPtr, parent);
if (sortList == NULL)
return FALSE;
/* let DPA sort the list */
DPA_Sort(sortList, pfnCompare, lpCompare);
/* The order of DPA entries has been changed, so fixup the
* nextSibling and prevSibling pointers. */
item = (HTREEITEM)DPA_GetPtr(sortList, count++);
while ((nextItem = (HTREEITEM)DPA_GetPtr(sortList, count++)) != NULL)
{
/* link the two current item toghether */
item->nextSibling = nextItem;
nextItem->prevSibling = item;
if (prevItem == NULL)
{
/* this is the first item, update the parent */
parent->firstChild = item;
item->prevSibling = NULL;
}
else
{
/* fix the back chaining */
item->prevSibling = prevItem;
}
/* get ready for the next one */
prevItem = item;
item = nextItem;
}
/* the last item is pointed to by item and never has a sibling */
item->nextSibling = NULL;
parent->lastChild = item;
DPA_Destroy(sortList);
TREEVIEW_VerifyTree(infoPtr);
if (parent->state & TVIS_EXPANDED)
{
int visOrder = infoPtr->firstVisible->visibleOrder;
if (parent == infoPtr->root)
TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
else
TREEVIEW_RecalculateVisibleOrder(infoPtr, parent);
if (TREEVIEW_IsChildOf(parent, infoPtr->firstVisible))
{
TREEVIEW_ITEM *item;
for (item = infoPtr->root->firstChild; item != NULL;
item = TREEVIEW_GetNextListItem(infoPtr, item))
{
if (item->visibleOrder == visOrder)
break;
}
TREEVIEW_SetFirstVisible(infoPtr, item, FALSE);
}
TREEVIEW_Invalidate(infoPtr, NULL);
}
return TRUE;
}
return FALSE;
}
/***************************************************************************
* Setup the treeview structure with regards of the sort method
* and sort the children of the TV item specified in lParam
*/
static LRESULT
TREEVIEW_SortChildrenCB(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPTVSORTCB pSort)
{
return TREEVIEW_Sort(infoPtr, wParam, pSort->hParent, pSort);
}
/***************************************************************************
* Sort the children of the TV item specified in lParam.
*/
static LRESULT
TREEVIEW_SortChildren(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
return TREEVIEW_Sort(infoPtr, (BOOL)wParam, (HTREEITEM)lParam, NULL);
}
/* Expansion/Collapse ***************************************************/
static BOOL
TREEVIEW_SendExpanding(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
UINT action)
{
return !TREEVIEW_SendTreeviewNotify(infoPtr, TVN_ITEMEXPANDINGW, action,
TVIF_HANDLE | TVIF_STATE | TVIF_PARAM
| TVIF_IMAGE | TVIF_SELECTEDIMAGE,
0, wineItem);
}
static VOID
TREEVIEW_SendExpanded(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
UINT action)
{
TREEVIEW_SendTreeviewNotify(infoPtr, TVN_ITEMEXPANDEDW, action,
TVIF_HANDLE | TVIF_STATE | TVIF_PARAM
| TVIF_IMAGE | TVIF_SELECTEDIMAGE,
0, wineItem);
}
/* This corresponds to TVM_EXPAND with TVE_COLLAPSE.
* bRemoveChildren corresponds to TVE_COLLAPSERESET. */
static BOOL
TREEVIEW_Collapse(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
BOOL bRemoveChildren, BOOL bUser)
{
UINT action = TVE_COLLAPSE | (bRemoveChildren ? TVE_COLLAPSERESET : 0);
BOOL bSetSelection, bSetFirstVisible;
TRACE("TVE_COLLAPSE %p %s\n", wineItem, TREEVIEW_ItemName(wineItem));
if (!(wineItem->state & TVIS_EXPANDED) || wineItem->firstChild == NULL)
return FALSE;
if (bUser)
TREEVIEW_SendExpanding(infoPtr, wineItem, action);
wineItem->state &= ~TVIS_EXPANDED;
if (bUser)
TREEVIEW_SendExpanded(infoPtr, wineItem, action);
bSetSelection = (infoPtr->selectedItem != NULL
&& TREEVIEW_IsChildOf(wineItem, infoPtr->selectedItem));
bSetFirstVisible = (infoPtr->firstVisible != NULL
&& TREEVIEW_IsChildOf(wineItem, infoPtr->firstVisible));
if (bRemoveChildren)
{
TRACE("TVE_COLLAPSERESET\n");
wineItem->state &= ~TVIS_EXPANDEDONCE;
TREEVIEW_RemoveAllChildren(infoPtr, wineItem);
}
if (wineItem->firstChild)
{
TREEVIEW_ITEM *item, *sibling;
sibling = TREEVIEW_GetNextListItem(infoPtr, wineItem);
for (item = wineItem->firstChild; item != sibling;
item = TREEVIEW_GetNextListItem(infoPtr, item))
{
item->visibleOrder = -1;
}
}
TREEVIEW_RecalculateVisibleOrder(infoPtr, wineItem);
TREEVIEW_SetFirstVisible(infoPtr, bSetFirstVisible ? wineItem
: infoPtr->firstVisible, TRUE);
if (bSetSelection)
{
/* Don't call DoSelectItem, it sends notifications. */
if (TREEVIEW_ValidItem(infoPtr, infoPtr->selectedItem))
infoPtr->selectedItem->state &= ~TVIS_SELECTED;
wineItem->state |= TVIS_SELECTED;
infoPtr->selectedItem = wineItem;
TREEVIEW_EnsureVisible(infoPtr, wineItem, FALSE);
}
TREEVIEW_UpdateScrollBars(infoPtr);
TREEVIEW_Invalidate(infoPtr, NULL);
return TRUE;
}
static BOOL
TREEVIEW_Expand(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem,
BOOL bExpandPartial, BOOL bUser)
{
TRACE("\n");
if (!TREEVIEW_HasChildren(infoPtr, wineItem)
|| wineItem->state & TVIS_EXPANDED)
return FALSE;
TRACE("TVE_EXPAND %p %s\n", wineItem, TREEVIEW_ItemName(wineItem));
if (bUser || !(wineItem->state & TVIS_EXPANDEDONCE))
{
if (!TREEVIEW_SendExpanding(infoPtr, wineItem, TVE_EXPAND))
{
TRACE(" TVN_ITEMEXPANDING returned TRUE, exiting...\n");
return FALSE;
}
wineItem->state |= TVIS_EXPANDED;
TREEVIEW_SendExpanded(infoPtr, wineItem, TVE_EXPAND);
wineItem->state |= TVIS_EXPANDEDONCE;
}
else
{
/* this item has already been expanded */
wineItem->state |= TVIS_EXPANDED;
}
if (bExpandPartial)
FIXME("TVE_EXPANDPARTIAL not implemented\n");
TREEVIEW_RecalculateVisibleOrder(infoPtr, wineItem);
TREEVIEW_UpdateSubTree(infoPtr, wineItem);
TREEVIEW_UpdateScrollBars(infoPtr);
/* Scroll up so that as many children as possible are visible.
* This looses when expanding causes an HScroll bar to appear, but we
* don't know that yet, so the last item is obscured. */
if (wineItem->firstChild != NULL)
{
int nChildren = wineItem->lastChild->visibleOrder
- wineItem->firstChild->visibleOrder + 1;
int visible_pos = wineItem->visibleOrder
- infoPtr->firstVisible->visibleOrder;
int rows_below = TREEVIEW_GetVisibleCount(infoPtr) - visible_pos - 1;
if (visible_pos > 0 && nChildren > rows_below)
{
int scroll = nChildren - rows_below;
if (scroll > visible_pos)
scroll = visible_pos;
if (scroll > 0)
{
TREEVIEW_ITEM *newFirstVisible
= TREEVIEW_GetListItem(infoPtr, infoPtr->firstVisible,
scroll);
TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible, TRUE);
}
}
}
TREEVIEW_Invalidate(infoPtr, NULL);
return TRUE;
}
static BOOL
TREEVIEW_Toggle(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *wineItem, BOOL bUser)
{
TRACE("\n");
if (wineItem->state & TVIS_EXPANDED)
return TREEVIEW_Collapse(infoPtr, wineItem, FALSE, bUser);
else
return TREEVIEW_Expand(infoPtr, wineItem, FALSE, bUser);
}
static VOID
TREEVIEW_ExpandAll(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
TREEVIEW_Expand(infoPtr, item, FALSE, TRUE);
for (item = item->firstChild; item != NULL; item = item->nextSibling)
{
if (TREEVIEW_HasChildren(infoPtr, item))
TREEVIEW_ExpandAll(infoPtr, item);
}
}
/* Note:If the specified item is the child of a collapsed parent item,
the parent's list of child items is (recursively) expanded to reveal the
specified item. This is mentioned for TREEVIEW_SelectItem; don't
know if it also applies here.
*/
static LRESULT
TREEVIEW_ExpandMsg(TREEVIEW_INFO *infoPtr, UINT flag, HTREEITEM wineItem)
{
if (!TREEVIEW_ValidItem(infoPtr, wineItem))
return 0;
TRACE("For (%s) item:%d, flags %x, state:%d\n",
TREEVIEW_ItemName(wineItem), flag,
TREEVIEW_GetItemIndex(infoPtr, wineItem), wineItem->state);
switch (flag & TVE_TOGGLE)
{
case TVE_COLLAPSE:
return TREEVIEW_Collapse(infoPtr, wineItem, flag & TVE_COLLAPSERESET,
FALSE);
case TVE_EXPAND:
return TREEVIEW_Expand(infoPtr, wineItem, flag & TVE_EXPANDPARTIAL,
FALSE);
case TVE_TOGGLE:
return TREEVIEW_Toggle(infoPtr, wineItem, TRUE);
default:
return 0;
}
#if 0
TRACE("Exiting, Item %p state is now %d...\n", wineItem, wineItem->state);
#endif
}
/* Hit-Testing **********************************************************/
static TREEVIEW_ITEM *
TREEVIEW_HitTestPoint(TREEVIEW_INFO *infoPtr, POINT pt)
{
TREEVIEW_ITEM *wineItem;
LONG row;
if (!infoPtr->firstVisible)
return NULL;
row = pt.y / infoPtr->uItemHeight + infoPtr->firstVisible->visibleOrder;
for (wineItem = infoPtr->firstVisible; wineItem != NULL;
wineItem = TREEVIEW_GetNextListItem(infoPtr, wineItem))
{
if (row >= wineItem->visibleOrder
&& row < wineItem->visibleOrder + wineItem->iIntegral)
break;
}
return wineItem;
}
static LRESULT
TREEVIEW_HitTest(TREEVIEW_INFO *infoPtr, LPTVHITTESTINFO lpht)
{
TREEVIEW_ITEM *wineItem;
RECT rect;
UINT status;
LONG x, y;
lpht->hItem = 0;
GetClientRect(infoPtr->hwnd, &rect);
status = 0;
x = lpht->pt.x;
y = lpht->pt.y;
if (x < rect.left)
{
status |= TVHT_TOLEFT;
}
else if (x > rect.right)
{
status |= TVHT_TORIGHT;
}
if (y < rect.top)
{
status |= TVHT_ABOVE;
}
else if (y > rect.bottom)
{
status |= TVHT_BELOW;
}
if (status)
{
lpht->flags = status;
return (LRESULT)(HTREEITEM)NULL;
}
wineItem = TREEVIEW_HitTestPoint(infoPtr, lpht->pt);
if (!wineItem)
{
lpht->flags = TVHT_NOWHERE;
return (LRESULT)(HTREEITEM)NULL;
}
if (x >= wineItem->textOffset + wineItem->textWidth)
{
lpht->flags = TVHT_ONITEMRIGHT;
}
else if (x >= wineItem->textOffset)
{
lpht->flags = TVHT_ONITEMLABEL;
}
else if (x >= wineItem->imageOffset)
{
lpht->flags = TVHT_ONITEMICON;
}
else if (x >= wineItem->stateOffset)
{
lpht->flags = TVHT_ONITEMSTATEICON;
}
else if (x >= wineItem->linesOffset && infoPtr->dwStyle & TVS_HASBUTTONS)
{
lpht->flags = TVHT_ONITEMBUTTON;
}
else
{
lpht->flags = TVHT_ONITEMINDENT;
}
lpht->hItem = wineItem;
TRACE("(%ld,%ld):result %x\n", lpht->pt.x, lpht->pt.y, lpht->flags);
return (LRESULT)wineItem;
}
/* Item Label Editing ***************************************************/
static LRESULT
TREEVIEW_GetEditControl(TREEVIEW_INFO *infoPtr)
{
return (LRESULT)infoPtr->hwndEdit;
}
static LRESULT CALLBACK
TREEVIEW_Edit_SubclassProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
TREEVIEW_INFO *infoPtr;
BOOL bCancel = FALSE;
switch (uMsg)
{
case WM_PAINT:
{
LRESULT rc;
TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(GetParent(hwnd));
TRACE("WM_PAINT start\n");
rc = CallWindowProcA(infoPtr->wpEditOrig, hwnd, uMsg, wParam,
lParam);
TRACE("WM_PAINT done\n");
return rc;
}
case WM_KILLFOCUS:
{
TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(GetParent(hwnd));
if (infoPtr->bIgnoreEditKillFocus)
return TRUE;
break;
}
case WM_GETDLGCODE:
return DLGC_WANTARROWS | DLGC_WANTALLKEYS;
case WM_KEYDOWN:
if (wParam == (WPARAM)VK_ESCAPE)
{
bCancel = TRUE;
break;
}
else if (wParam == (WPARAM)VK_RETURN)
{
break;
}
/* fall through */
default:
{
TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(GetParent(hwnd));
return CallWindowProcA(infoPtr->wpEditOrig, hwnd, uMsg, wParam,
lParam);
}
}
/* Processing TVN_ENDLABELEDIT message could kill the focus */
/* eg. Using a messagebox */
infoPtr = TREEVIEW_GetInfoPtr(GetParent(hwnd));
infoPtr->bIgnoreEditKillFocus = TRUE;
TREEVIEW_EndEditLabelNow(infoPtr, bCancel || !infoPtr->bLabelChanged);
infoPtr->bIgnoreEditKillFocus = FALSE;
return 0;
}
/* should handle edit control messages here */
static LRESULT
TREEVIEW_Command(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
TRACE("%x %ld\n", wParam, lParam);
switch (HIWORD(wParam))
{
case EN_UPDATE:
{
/*
* Adjust the edit window size
*/
char buffer[1024];
TREEVIEW_ITEM *editItem = infoPtr->selectedItem;
HDC hdc = GetDC(infoPtr->hwndEdit);
SIZE sz;
int len;
HFONT hFont, hOldFont = 0;
infoPtr->bLabelChanged = TRUE;
len = GetWindowTextA(infoPtr->hwndEdit, buffer, sizeof(buffer));
/* Select font to get the right dimension of the string */
hFont = (HFONT)SendMessageA(infoPtr->hwndEdit, WM_GETFONT, 0, 0);
if (hFont != 0)
{
hOldFont = SelectObject(hdc, hFont);
}
if (GetTextExtentPoint32A(hdc, buffer, strlen(buffer), &sz))
{
TEXTMETRICA textMetric;
/* Add Extra spacing for the next character */
GetTextMetricsA(hdc, &textMetric);
sz.cx += (textMetric.tmMaxCharWidth * 2);
sz.cx = max(sz.cx, textMetric.tmMaxCharWidth * 3);
sz.cx = min(sz.cx,
infoPtr->clientWidth - editItem->textOffset + 2);
SetWindowPos(infoPtr->hwndEdit,
HWND_TOP,
0,
0,
sz.cx,
editItem->rect.bottom - editItem->rect.top + 3,
SWP_NOMOVE | SWP_DRAWFRAME);
}
if (hFont != 0)
{
SelectObject(hdc, hOldFont);
}
ReleaseDC(infoPtr->hwnd, hdc);
break;
}
default:
return SendMessageA(GetParent(infoPtr->hwnd), WM_COMMAND, wParam, lParam);
}
return 0;
}
static HWND
TREEVIEW_EditLabelA(TREEVIEW_INFO *infoPtr, HTREEITEM hItem)
{
HWND hwnd = infoPtr->hwnd;
HWND hwndEdit;
SIZE sz;
TREEVIEW_ITEM *editItem = hItem;
HINSTANCE hinst = (HINSTANCE)GetWindowLongA(hwnd, GWL_HINSTANCE);
HDC hdc;
HFONT hOldFont=0;
TEXTMETRICA textMetric;
TRACE("%x %p\n", (unsigned)hwnd, hItem);
if (!TREEVIEW_ValidItem(infoPtr, editItem))
return NULL;
if (infoPtr->hwndEdit)
return infoPtr->hwndEdit;
infoPtr->bLabelChanged = FALSE;
/* Make sure that edit item is selected */
TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, hItem, TVC_UNKNOWN);
TREEVIEW_EnsureVisible(infoPtr, hItem, TRUE);
TREEVIEW_UpdateDispInfo(infoPtr, editItem, TVIF_TEXT);
hdc = GetDC(hwnd);
/* Select the font to get appropriate metric dimensions */
if (infoPtr->hFont != 0)
{
hOldFont = SelectObject(hdc, infoPtr->hFont);
}
/* Get string length in pixels */
GetTextExtentPoint32A(hdc, editItem->pszText, strlen(editItem->pszText),
&sz);
/* Add Extra spacing for the next character */
GetTextMetricsA(hdc, &textMetric);
sz.cx += (textMetric.tmMaxCharWidth * 2);
sz.cx = max(sz.cx, textMetric.tmMaxCharWidth * 3);
sz.cx = min(sz.cx, infoPtr->clientWidth - editItem->textOffset + 2);
if (infoPtr->hFont != 0)
{
SelectObject(hdc, hOldFont);
}
ReleaseDC(hwnd, hdc);
hwndEdit = CreateWindowExA(WS_EX_LEFT,
"EDIT",
0,
WS_CHILD | WS_BORDER | ES_AUTOHSCROLL |
WS_CLIPSIBLINGS | ES_WANTRETURN |
ES_LEFT, editItem->textOffset - 2,
editItem->rect.top - 1, sz.cx + 3,
editItem->rect.bottom -
editItem->rect.top + 3, hwnd, 0, hinst, 0);
/* FIXME: (HMENU)IDTVEDIT,pcs->hInstance,0); */
infoPtr->hwndEdit = hwndEdit;
/* Get a 2D border. */
SetWindowLongA(hwndEdit, GWL_EXSTYLE,
GetWindowLongA(hwndEdit, GWL_EXSTYLE) & ~WS_EX_CLIENTEDGE);
SetWindowLongA(hwndEdit, GWL_STYLE,
GetWindowLongA(hwndEdit, GWL_STYLE) | WS_BORDER);
SendMessageA(hwndEdit, WM_SETFONT,
(WPARAM)TREEVIEW_FontForItem(infoPtr, editItem), FALSE);
infoPtr->wpEditOrig = (WNDPROC)SetWindowLongA(hwndEdit, GWL_WNDPROC,
(DWORD)
TREEVIEW_Edit_SubclassProc);
if (TREEVIEW_BeginLabelEditNotify(infoPtr, editItem))
{
DestroyWindow(hwndEdit);
infoPtr->hwndEdit = 0;
return NULL;
}
infoPtr->selectedItem = hItem;
SetWindowTextA(hwndEdit, editItem->pszText);
SetFocus(hwndEdit);
SendMessageA(hwndEdit, EM_SETSEL, 0, -1);
ShowWindow(hwndEdit, SW_SHOW);
return hwndEdit;
}
static LRESULT
TREEVIEW_EndEditLabelNow(TREEVIEW_INFO *infoPtr, BOOL bCancel)
{
HWND hwnd = infoPtr->hwnd;
TREEVIEW_ITEM *editedItem = infoPtr->selectedItem;
NMTVDISPINFOA tvdi;
BOOL bCommit;
char tmpText[1024] = { '\0' };
int iLength = 0;
if (!infoPtr->hwndEdit)
return FALSE;
tvdi.hdr.hwndFrom = hwnd;
tvdi.hdr.idFrom = GetWindowLongA(hwnd, GWL_ID);
tvdi.hdr.code = get_notifycode(infoPtr, TVN_ENDLABELEDITW);
tvdi.item.mask = 0;
tvdi.item.hItem = editedItem;
tvdi.item.state = editedItem->state;
tvdi.item.lParam = editedItem->lParam;
if (!bCancel)
{
iLength = GetWindowTextA(infoPtr->hwndEdit, tmpText, 1023);
if (iLength >= 1023)
{
ERR("Insufficient space to retrieve new item label\n");
}
tvdi.item.pszText = tmpText;
tvdi.item.cchTextMax = iLength + 1;
}
else
{
tvdi.item.pszText = NULL;
tvdi.item.cchTextMax = 0;
}
bCommit = (BOOL)TREEVIEW_SendRealNotify(infoPtr,
(WPARAM)tvdi.hdr.idFrom, (LPARAM)&tvdi);
if (!bCancel && bCommit) /* Apply the changes */
{
if (strcmp(tmpText, editedItem->pszText) != 0)
{
if (NULL == COMCTL32_ReAlloc(editedItem->pszText, iLength + 1))
{
ERR("OutOfMemory, cannot allocate space for label\n");
DestroyWindow(infoPtr->hwndEdit);
infoPtr->hwndEdit = 0;
return FALSE;
}
else
{
editedItem->cchTextMax = iLength + 1;
lstrcpyA(editedItem->pszText, tmpText);
}
}
}
ShowWindow(infoPtr->hwndEdit, SW_HIDE);
DestroyWindow(infoPtr->hwndEdit);
infoPtr->hwndEdit = 0;
return TRUE;
}
static LRESULT
TREEVIEW_HandleTimer(TREEVIEW_INFO *infoPtr, WPARAM wParam)
{
if (wParam != TV_EDIT_TIMER)
{
ERR("got unknown timer\n");
return 1;
}
KillTimer(infoPtr->hwnd, TV_EDIT_TIMER);
infoPtr->Timer &= ~TV_EDIT_TIMER_SET;
TREEVIEW_EditLabelA(infoPtr, infoPtr->selectedItem);
return 0;
}
/* Mouse Tracking/Drag **************************************************/
/***************************************************************************
* This is quite unusual piece of code, but that's how it's implemented in
* Windows.
*/
static LRESULT
TREEVIEW_TrackMouse(TREEVIEW_INFO *infoPtr, POINT pt)
{
INT cxDrag = GetSystemMetrics(SM_CXDRAG);
INT cyDrag = GetSystemMetrics(SM_CYDRAG);
RECT r;
MSG msg;
r.top = pt.y - cyDrag;
r.left = pt.x - cxDrag;
r.bottom = pt.y + cyDrag;
r.right = pt.x + cxDrag;
SetCapture(infoPtr->hwnd);
while (1)
{
if (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE | PM_NOYIELD))
{
if (msg.message == WM_MOUSEMOVE)
{
pt.x = SLOWORD(msg.lParam);
pt.y = SHIWORD(msg.lParam);
if (PtInRect(&r, pt))
continue;
else
{
ReleaseCapture();
return 1;
}
}
else if (msg.message >= WM_LBUTTONDOWN &&
msg.message <= WM_RBUTTONDBLCLK)
{
if (msg.message == WM_RBUTTONUP)
TREEVIEW_RButtonUp(infoPtr, &pt);
break;
}
DispatchMessageA(&msg);
}
if (GetCapture() != infoPtr->hwnd)
return 0;
}
ReleaseCapture();
return 0;
}
static LRESULT
TREEVIEW_LButtonDoubleClick(TREEVIEW_INFO *infoPtr, LPARAM lParam)
{
TREEVIEW_ITEM *wineItem;
TVHITTESTINFO hit;
TRACE("\n");
SetFocus(infoPtr->hwnd);
if (infoPtr->Timer & TV_EDIT_TIMER_SET)
{
/* If there is pending 'edit label' event - kill it now */
KillTimer(infoPtr->hwnd, TV_EDIT_TIMER);
}
hit.pt.x = SLOWORD(lParam);
hit.pt.y = SHIWORD(lParam);
wineItem = (TREEVIEW_ITEM *)TREEVIEW_HitTest(infoPtr, &hit);
if (!wineItem)
return 0;
TRACE("item %d\n", TREEVIEW_GetItemIndex(infoPtr, wineItem));
if (TREEVIEW_SendSimpleNotify(infoPtr, NM_DBLCLK) == FALSE)
{ /* FIXME! */
switch (hit.flags)
{
case TVHT_ONITEMRIGHT:
/* FIXME: we should not have sent NM_DBLCLK in this case. */
break;
case TVHT_ONITEMINDENT:
if (!(infoPtr->dwStyle & TVS_HASLINES))
{
break;
}
else
{
int level = hit.pt.x / infoPtr->uIndent;
if (!(infoPtr->dwStyle & TVS_LINESATROOT)) level++;
while (wineItem->iLevel > level)
{
wineItem = wineItem->parent;
}
/* fall through */
}
case TVHT_ONITEMLABEL:
case TVHT_ONITEMICON:
case TVHT_ONITEMBUTTON:
TREEVIEW_Toggle(infoPtr, wineItem, TRUE);
break;
case TVHT_ONITEMSTATEICON:
if (infoPtr->dwStyle & TVS_CHECKBOXES)
TREEVIEW_ToggleItemState(infoPtr, wineItem);
else
TREEVIEW_Toggle(infoPtr, wineItem, TRUE);
break;
}
}
return TRUE;
}
static LRESULT
TREEVIEW_LButtonDown(TREEVIEW_INFO *infoPtr, LPARAM lParam)
{
HWND hwnd = infoPtr->hwnd;
TVHITTESTINFO ht;
BOOL bTrack;
HTREEITEM tempItem;
/* If Edit control is active - kill it and return.
* The best way to do it is to set focus to itself.
* Edit control subclassed procedure will automatically call
* EndEditLabelNow.
*/
if (infoPtr->hwndEdit)
{
SetFocus(hwnd);
return 0;
}
ht.pt.x = SLOWORD(lParam);
ht.pt.y = SHIWORD(lParam);
TREEVIEW_HitTest(infoPtr, &ht);
TRACE("item %d\n", TREEVIEW_GetItemIndex(infoPtr, ht.hItem));
/* update focusedItem and redraw both items */
if(ht.hItem && (ht.flags & TVHT_ONITEM))
{
infoPtr->focusedItem = ht.hItem;
InvalidateRect(hwnd, &(((HTREEITEM)(ht.hItem))->rect), TRUE);
if(infoPtr->selectedItem)
InvalidateRect(hwnd, &(infoPtr->selectedItem->rect), TRUE);
}
bTrack = (ht.flags & TVHT_ONITEM)
&& !(infoPtr->dwStyle & TVS_DISABLEDRAGDROP);
/* Send NM_CLICK right away */
if (!bTrack)
if (TREEVIEW_SendSimpleNotify(infoPtr, NM_CLICK))
goto setfocus;
if (ht.flags & TVHT_ONITEMBUTTON)
{
TREEVIEW_Toggle(infoPtr, ht.hItem, TRUE);
goto setfocus;
}
else if (bTrack)
{ /* if TREEVIEW_TrackMouse == 1 dragging occurred and the cursor left the dragged item's rectangle */
if (TREEVIEW_TrackMouse(infoPtr, ht.pt))
{
TREEVIEW_SendTreeviewDnDNotify(infoPtr, TVN_BEGINDRAGW, ht.hItem, ht.pt);
infoPtr->dropItem = ht.hItem;
/* clean up focusedItem as we dragged and won't select this item */
if(infoPtr->focusedItem)
{
/* refresh the item that was focused */
tempItem = infoPtr->focusedItem;
infoPtr->focusedItem = 0;
InvalidateRect(infoPtr->hwnd, &tempItem->rect, TRUE);
/* refresh the selected item to return the filled background */
InvalidateRect(infoPtr->hwnd, &(infoPtr->selectedItem->rect), TRUE);
}
return 0;
}
}
if (bTrack && TREEVIEW_SendSimpleNotify(infoPtr, NM_CLICK))
goto setfocus;
/*
* If the style allows editing and the node is already selected
* and the click occurred on the item label...
*/
if ((infoPtr->dwStyle & TVS_EDITLABELS) &&
(ht.flags & TVHT_ONITEMLABEL) && (infoPtr->selectedItem == ht.hItem))
{
if (infoPtr->Timer & TV_EDIT_TIMER_SET)
KillTimer(hwnd, TV_EDIT_TIMER);
SetTimer(hwnd, TV_EDIT_TIMER, GetDoubleClickTime(), 0);
infoPtr->Timer |= TV_EDIT_TIMER_SET;
}
else if (ht.flags & TVHT_ONITEM) /* select the item if the hit was inside of the icon or text */
{
/*
* if we are TVS_SINGLEEXPAND then we want this single click to
* do a bunch of things.
*/
if((infoPtr->dwStyle & TVS_SINGLEEXPAND) &&
(infoPtr->hwndEdit == 0))
{
TREEVIEW_ITEM *SelItem;
/*
* Send the notification
*/
TREEVIEW_SendTreeviewNotify(infoPtr, TVN_SINGLEEXPAND, TVC_UNKNOWN, TVIF_HANDLE | TVIF_PARAM, ht.hItem, 0);
/*
* Close the previous selection all the way to the root
* as long as the new selection is not a child
*/
if((infoPtr->selectedItem)
&& (infoPtr->selectedItem != ht.hItem))
{
BOOL closeit = TRUE;
SelItem = ht.hItem;
/* determine if the hitItem is a child of the currently selected item */
while(closeit && SelItem && TREEVIEW_ValidItem(infoPtr, SelItem) && (SelItem != infoPtr->root))
{
closeit = (SelItem != infoPtr->selectedItem);
SelItem = SelItem->parent;
}
if(closeit)
{
if(TREEVIEW_ValidItem(infoPtr, infoPtr->selectedItem))
SelItem = infoPtr->selectedItem;
while(SelItem && (SelItem != ht.hItem) && TREEVIEW_ValidItem(infoPtr, SelItem) && (SelItem != infoPtr->root))
{
TREEVIEW_Collapse(infoPtr, SelItem, FALSE, FALSE);
SelItem = SelItem->parent;
}
}
}
/*
* Expand the current item
*/
TREEVIEW_Expand(infoPtr, ht.hItem, TVE_TOGGLE, FALSE);
}
/* Select the current item */
TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, ht.hItem, TVC_BYMOUSE);
}
else if (ht.flags & TVHT_ONITEMSTATEICON)
{
/* TVS_CHECKBOXES requires us to toggle the current state */
if (infoPtr->dwStyle & TVS_CHECKBOXES)
TREEVIEW_ToggleItemState(infoPtr, ht.hItem);
}
setfocus:
SetFocus(hwnd);
return 0;
}
static LRESULT
TREEVIEW_RButtonDown(TREEVIEW_INFO *infoPtr, LPARAM lParam)
{
TVHITTESTINFO ht;
if (infoPtr->hwndEdit)
{
SetFocus(infoPtr->hwnd);
return 0;
}
ht.pt.x = SLOWORD(lParam);
ht.pt.y = SHIWORD(lParam);
TREEVIEW_HitTest(infoPtr, &ht);
if (TREEVIEW_TrackMouse(infoPtr, ht.pt))
{
if (ht.hItem)
{
TREEVIEW_SendTreeviewDnDNotify(infoPtr, TVN_BEGINRDRAGW, ht.hItem, ht.pt);
infoPtr->dropItem = ht.hItem;
}
}
else
{
SetFocus(infoPtr->hwnd);
TREEVIEW_SendSimpleNotify(infoPtr, NM_RCLICK);
}
return 0;
}
static LRESULT
TREEVIEW_RButtonUp(TREEVIEW_INFO *infoPtr, LPPOINT pPt)
{
return 0;
}
static LRESULT
TREEVIEW_CreateDragImage(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
TREEVIEW_ITEM *dragItem = (HTREEITEM)lParam;
INT cx, cy;
HDC hdc, htopdc;
HWND hwtop;
HBITMAP hbmp, hOldbmp;
SIZE size;
RECT rc;
HFONT hOldFont;
TRACE("\n");
if (!(infoPtr->himlNormal))
return 0;
if (!dragItem || !TREEVIEW_ValidItem(infoPtr, dragItem))
return 0;
TREEVIEW_UpdateDispInfo(infoPtr, dragItem, TVIF_TEXT);
hwtop = GetDesktopWindow();
htopdc = GetDC(hwtop);
hdc = CreateCompatibleDC(htopdc);
hOldFont = SelectObject(hdc, infoPtr->hFont);
GetTextExtentPoint32A(hdc, dragItem->pszText, lstrlenA(dragItem->pszText),
&size);
TRACE("%ld %ld %s %d\n", size.cx, size.cy, dragItem->pszText,
lstrlenA(dragItem->pszText));
hbmp = CreateCompatibleBitmap(htopdc, size.cx, size.cy);
hOldbmp = SelectObject(hdc, hbmp);
ImageList_GetIconSize(infoPtr->himlNormal, &cx, &cy);
size.cx += cx;
if (cy > size.cy)
size.cy = cy;
infoPtr->dragList = ImageList_Create(size.cx, size.cy, ILC_COLOR, 10, 10);
ImageList_Draw(infoPtr->himlNormal, dragItem->iImage, hdc, 0, 0,
ILD_NORMAL);
/*
ImageList_GetImageInfo (infoPtr->himlNormal, dragItem->hItem, &iminfo);
ImageList_AddMasked (infoPtr->dragList, iminfo.hbmImage, CLR_DEFAULT);
*/
/* draw item text */
SetRect(&rc, cx, 0, size.cx, size.cy);
DrawTextA(hdc, dragItem->pszText, lstrlenA(dragItem->pszText), &rc,
DT_LEFT);
SelectObject(hdc, hOldFont);
SelectObject(hdc, hOldbmp);
ImageList_Add(infoPtr->dragList, hbmp, 0);
DeleteDC(hdc);
DeleteObject(hbmp);
ReleaseDC(hwtop, htopdc);
return (LRESULT)infoPtr->dragList;
}
/* Selection ************************************************************/
static LRESULT
TREEVIEW_DoSelectItem(TREEVIEW_INFO *infoPtr, INT action, HTREEITEM newSelect,
INT cause)
{
TREEVIEW_ITEM *prevSelect;
RECT rcFocused;
assert(newSelect == NULL || TREEVIEW_ValidItem(infoPtr, newSelect));
TRACE("Entering item %p (%s), flag %x, cause %x, state %d\n",
newSelect, TREEVIEW_ItemName(newSelect), action, cause,
newSelect ? newSelect->state : 0);
/* reset and redraw focusedItem if focusedItem was set so we don't */
/* have to worry about the previously focused item when we set a new one */
if(infoPtr->focusedItem)
{
rcFocused = (infoPtr->focusedItem)->rect;
infoPtr->focusedItem = 0;
InvalidateRect(infoPtr->hwnd, &rcFocused, TRUE);
}
switch (action)
{
case TVGN_CARET:
prevSelect = infoPtr->selectedItem;
if (prevSelect == newSelect)
return FALSE;
if (TREEVIEW_SendTreeviewNotify(infoPtr,
TVN_SELCHANGINGW,
cause,
TVIF_HANDLE | TVIF_STATE | TVIF_PARAM,
prevSelect,
newSelect))
return FALSE;
if (prevSelect)
prevSelect->state &= ~TVIS_SELECTED;
if (newSelect)
newSelect->state |= TVIS_SELECTED;
infoPtr->selectedItem = newSelect;
TREEVIEW_EnsureVisible(infoPtr, infoPtr->selectedItem, FALSE);
TREEVIEW_SendTreeviewNotify(infoPtr,
TVN_SELCHANGEDW,
cause,
TVIF_HANDLE | TVIF_STATE | TVIF_PARAM,
prevSelect,
newSelect);
TREEVIEW_Invalidate(infoPtr, prevSelect);
TREEVIEW_Invalidate(infoPtr, newSelect);
break;
case TVGN_DROPHILITE:
prevSelect = infoPtr->dropItem;
if (prevSelect)
prevSelect->state &= ~TVIS_DROPHILITED;
infoPtr->dropItem = newSelect;
if (newSelect)
newSelect->state |= TVIS_DROPHILITED;
TREEVIEW_Invalidate(infoPtr, prevSelect);
TREEVIEW_Invalidate(infoPtr, newSelect);
break;
case TVGN_FIRSTVISIBLE:
TREEVIEW_EnsureVisible(infoPtr, newSelect, FALSE);
TREEVIEW_SetFirstVisible(infoPtr, newSelect, TRUE);
TREEVIEW_Invalidate(infoPtr, NULL);
break;
}
TRACE("Leaving state %d\n", newSelect ? newSelect->state : 0);
return TRUE;
}
/* FIXME: handle NM_KILLFOCUS etc */
static LRESULT
TREEVIEW_SelectItem(TREEVIEW_INFO *infoPtr, INT wParam, HTREEITEM item)
{
if (item != NULL && !TREEVIEW_ValidItem(infoPtr, item))
return FALSE;
TRACE("%p (%s) %d\n", item, TREEVIEW_ItemName(item), wParam);
if (!TREEVIEW_DoSelectItem(infoPtr, wParam, item, TVC_UNKNOWN))
return FALSE;
return TRUE;
}
/*************************************************************************
* TREEVIEW_ProcessLetterKeys
*
* Processes keyboard messages generated by pressing the letter keys
* on the keyboard.
* What this does is perform a case insensitive search from the
* current position with the following quirks:
* - If two chars or more are pressed in quick succession we search
* for the corresponding string (e.g. 'abc').
* - If there is a delay we wipe away the current search string and
* restart with just that char.
* - If the user keeps pressing the same character, whether slowly or
* fast, so that the search string is entirely composed of this
* character ('aaaaa' for instance), then we search for first item
* that starting with that character.
* - If the user types the above character in quick succession, then
* we must also search for the corresponding string ('aaaaa'), and
* go to that string if there is a match.
*
* RETURNS
*
* Zero.
*
* BUGS
*
* - The current implementation has a list of characters it will
* accept and it ignores averything else. In particular it will
* ignore accentuated characters which seems to match what
* Windows does. But I'm not sure it makes sense to follow
* Windows there.
* - We don't sound a beep when the search fails.
* - The search should start from the focused item, not from the selected
* item. One reason for this is to allow for multiple selections in trees.
* But currently infoPtr->focusedItem does not seem very usable.
*
* SEE ALSO
*
* TREEVIEW_ProcessLetterKeys
*/
static INT TREEVIEW_ProcessLetterKeys(
HWND hwnd, /* handle to the window */
WPARAM charCode, /* the character code, the actual character */
LPARAM keyData /* key data */
)
{
TREEVIEW_INFO *infoPtr;
HTREEITEM nItem;
HTREEITEM endidx,idx;
TVITEMEXA item;
CHAR buffer[MAX_PATH];
DWORD timestamp,elapsed;
/* simple parameter checking */
if (!hwnd || !charCode || !keyData)
return 0;
infoPtr=(TREEVIEW_INFO*)GetWindowLongA(hwnd, 0);
if (!infoPtr)
return 0;
/* only allow the valid WM_CHARs through */
if (!isalnum(charCode) &&
charCode != '.' && charCode != '`' && charCode != '!' &&
charCode != '@' && charCode != '#' && charCode != '$' &&
charCode != '%' && charCode != '^' && charCode != '&' &&
charCode != '*' && charCode != '(' && charCode != ')' &&
charCode != '-' && charCode != '_' && charCode != '+' &&
charCode != '=' && charCode != '\\'&& charCode != ']' &&
charCode != '}' && charCode != '[' && charCode != '{' &&
charCode != '/' && charCode != '?' && charCode != '>' &&
charCode != '<' && charCode != ',' && charCode != '~')
return 0;
/* compute how much time elapsed since last keypress */
timestamp = GetTickCount();
if (timestamp > infoPtr->lastKeyPressTimestamp) {
elapsed=timestamp-infoPtr->lastKeyPressTimestamp;
} else {
elapsed=infoPtr->lastKeyPressTimestamp-timestamp;
}
/* update the search parameters */
infoPtr->lastKeyPressTimestamp=timestamp;
if (elapsed < KEY_DELAY) {
if (infoPtr->nSearchParamLength < sizeof(infoPtr->szSearchParam)) {
infoPtr->szSearchParam[infoPtr->nSearchParamLength++]=charCode;
}
if (infoPtr->charCode != charCode) {
infoPtr->charCode=charCode=0;
}
} else {
infoPtr->charCode=charCode;
infoPtr->szSearchParam[0]=charCode;
infoPtr->nSearchParamLength=1;
/* Redundant with the 1 char string */
charCode=0;
}
/* and search from the current position */
nItem=NULL;
if (infoPtr->selectedItem != NULL) {
endidx=infoPtr->selectedItem;
/* if looking for single character match,
* then we must always move forward
*/
if (infoPtr->nSearchParamLength == 1)
idx=TREEVIEW_GetNextListItem(infoPtr,endidx);
else
idx=endidx;
} else {
endidx=NULL;
idx=infoPtr->root->firstChild;
}
do {
if (idx == NULL) {
if (endidx == NULL)
break;
idx=infoPtr->root->firstChild;
}
/* get item */
ZeroMemory(&item, sizeof(item));
item.mask = TVIF_TEXT;
item.hItem = idx;
item.pszText = buffer;
item.cchTextMax = sizeof(buffer);
TREEVIEW_GetItemA( infoPtr, &item );
/* check for a match */
if (strncasecmp(item.pszText,infoPtr->szSearchParam,infoPtr->nSearchParamLength) == 0) {
nItem=idx;
break;
} else if ( (charCode != 0) && (nItem == NULL) &&
(nItem != infoPtr->selectedItem) &&
(strncasecmp(item.pszText,infoPtr->szSearchParam,1) == 0) ) {
/* This would work but we must keep looking for a longer match */
nItem=idx;
}
idx=TREEVIEW_GetNextListItem(infoPtr,idx);
} while (idx != endidx);
if (nItem != NULL) {
if (TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, nItem, TVC_BYKEYBOARD)) {
TREEVIEW_EnsureVisible(infoPtr, nItem, FALSE);
}
}
return 0;
}
/* Scrolling ************************************************************/
static LRESULT
TREEVIEW_EnsureVisible(TREEVIEW_INFO *infoPtr, HTREEITEM item, BOOL bHScroll)
{
HTREEITEM newFirstVisible = NULL;
int visible_pos;
if (!TREEVIEW_ValidItem(infoPtr, item))
return FALSE;
if (!ISVISIBLE(item))
{
/* Expand parents as necessary. */
HTREEITEM parent;
/* see if we are trying to ensure that root is vislble */
if((item != infoPtr->root) && TREEVIEW_ValidItem(infoPtr, item))
parent = item->parent;
else
parent = item; /* this item is the topmost item */
while (parent != infoPtr->root)
{
if (!(parent->state & TVIS_EXPANDED))
TREEVIEW_Expand(infoPtr, parent, FALSE, FALSE);
parent = parent->parent;
}
}
TRACE("%p (%s) %ld - %ld\n", item, TREEVIEW_ItemName(item), item->visibleOrder,
infoPtr->firstVisible->visibleOrder);
visible_pos = item->visibleOrder - infoPtr->firstVisible->visibleOrder;
if (visible_pos < 0)
{
/* item is before the start of the list: put it at the top. */
newFirstVisible = item;
}
else if (visible_pos >= TREEVIEW_GetVisibleCount(infoPtr)
/* Sometimes, before we are displayed, GVC is 0, causing us to
* spuriously scroll up. */
&& visible_pos > 0)
{
/* item is past the end of the list. */
int scroll = visible_pos - TREEVIEW_GetVisibleCount(infoPtr);
newFirstVisible = TREEVIEW_GetListItem(infoPtr, infoPtr->firstVisible,
scroll + 1);
}
if (bHScroll)
{
/* Scroll window so item's text is visible as much as possible */
/* Calculation of amount of extra space is taken from EditLabel code */
INT pos, x;
TEXTMETRICA textMetric;
HDC hdc = GetWindowDC(infoPtr->hwnd);
x = item->textWidth;
GetTextMetricsA(hdc, &textMetric);
ReleaseDC(infoPtr->hwnd, hdc);
x += (textMetric.tmMaxCharWidth * 2);
x = max(x, textMetric.tmMaxCharWidth * 3);
if (item->textOffset < 0)
pos = item->textOffset;
else if (item->textOffset + x > infoPtr->clientWidth)
{
if (x > infoPtr->clientWidth)
pos = item->textOffset;
else
pos = item->textOffset + x - infoPtr->clientWidth;
}
else
pos = 0;
TREEVIEW_HScroll(infoPtr, MAKEWPARAM(SB_THUMBPOSITION, infoPtr->scrollX + pos));
}
if (newFirstVisible != NULL && newFirstVisible != infoPtr->firstVisible)
{
TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible, TRUE);
return TRUE;
}
return FALSE;
}
static VOID
TREEVIEW_SetFirstVisible(TREEVIEW_INFO *infoPtr,
TREEVIEW_ITEM *newFirstVisible,
BOOL bUpdateScrollPos)
{
int gap_size;
TRACE("%p: %s\n", newFirstVisible, TREEVIEW_ItemName(newFirstVisible));
if (newFirstVisible != NULL)
{
/* Prevent an empty gap from appearing at the bottom... */
gap_size = TREEVIEW_GetVisibleCount(infoPtr)
- infoPtr->maxVisibleOrder + newFirstVisible->visibleOrder;
if (gap_size > 0)
{
newFirstVisible = TREEVIEW_GetListItem(infoPtr, newFirstVisible,
-gap_size);
/* ... unless we just don't have enough items. */
if (newFirstVisible == NULL)
newFirstVisible = infoPtr->root->firstChild;
}
}
if (infoPtr->firstVisible != newFirstVisible)
{
if (infoPtr->firstVisible == NULL || newFirstVisible == NULL)
{
infoPtr->firstVisible = newFirstVisible;
TREEVIEW_Invalidate(infoPtr, NULL);
}
else
{
TREEVIEW_ITEM *item;
int scroll = infoPtr->uItemHeight *
(infoPtr->firstVisible->visibleOrder
- newFirstVisible->visibleOrder);
infoPtr->firstVisible = newFirstVisible;
for (item = infoPtr->root->firstChild; item != NULL;
item = TREEVIEW_GetNextListItem(infoPtr, item))
{
item->rect.top += scroll;
item->rect.bottom += scroll;
}
if (bUpdateScrollPos)
SetScrollPos(infoPtr->hwnd, SB_VERT,
newFirstVisible->visibleOrder, TRUE);
ScrollWindow(infoPtr->hwnd, 0, scroll, NULL, NULL);
UpdateWindow(infoPtr->hwnd);
}
}
}
/************************************************************************
* VScroll is always in units of visible items. i.e. we always have a
* visible item aligned to the top of the control. (Unless we have no
* items at all.)
*/
static LRESULT
TREEVIEW_VScroll(TREEVIEW_INFO *infoPtr, WPARAM wParam)
{
TREEVIEW_ITEM *oldFirstVisible = infoPtr->firstVisible;
TREEVIEW_ITEM *newFirstVisible = NULL;
int nScrollCode = LOWORD(wParam);
TRACE("wp %x\n", wParam);
if (!(infoPtr->uInternalStatus & TV_VSCROLL))
return 0;
if (infoPtr->hwndEdit)
SetFocus(infoPtr->hwnd);
if (!oldFirstVisible)
{
assert(infoPtr->root->firstChild == NULL);
return 0;
}
switch (nScrollCode)
{
case SB_TOP:
newFirstVisible = infoPtr->root->firstChild;
break;
case SB_BOTTOM:
newFirstVisible = TREEVIEW_GetLastListItem(infoPtr, infoPtr->root);
break;
case SB_LINEUP:
newFirstVisible = TREEVIEW_GetPrevListItem(infoPtr, oldFirstVisible);
break;
case SB_LINEDOWN:
newFirstVisible = TREEVIEW_GetNextListItem(infoPtr, oldFirstVisible);
break;
case SB_PAGEUP:
newFirstVisible = TREEVIEW_GetListItem(infoPtr, oldFirstVisible,
-max(1, TREEVIEW_GetVisibleCount(infoPtr)));
break;
case SB_PAGEDOWN:
newFirstVisible = TREEVIEW_GetListItem(infoPtr, oldFirstVisible,
max(1, TREEVIEW_GetVisibleCount(infoPtr)));
break;
case SB_THUMBTRACK:
case SB_THUMBPOSITION:
newFirstVisible = TREEVIEW_GetListItem(infoPtr,
infoPtr->root->firstChild,
(LONG)(SHORT)HIWORD(wParam));
break;
case SB_ENDSCROLL:
return 0;
}
if (newFirstVisible != NULL)
{
if (newFirstVisible != oldFirstVisible)
TREEVIEW_SetFirstVisible(infoPtr, newFirstVisible,
nScrollCode != SB_THUMBTRACK);
else if (nScrollCode == SB_THUMBPOSITION)
SetScrollPos(infoPtr->hwnd, SB_VERT,
newFirstVisible->visibleOrder, TRUE);
}
return 0;
}
static LRESULT
TREEVIEW_HScroll(TREEVIEW_INFO *infoPtr, WPARAM wParam)
{
int maxWidth;
int scrollX = infoPtr->scrollX;
int nScrollCode = LOWORD(wParam);
TRACE("wp %x\n", wParam);
if (!(infoPtr->uInternalStatus & TV_HSCROLL))
return FALSE;
if (infoPtr->hwndEdit)
SetFocus(infoPtr->hwnd);
maxWidth = infoPtr->treeWidth - infoPtr->clientWidth;
/* shall never occur */
if (maxWidth <= 0)
{
scrollX = 0;
goto scroll;
}
switch (nScrollCode)
{
case SB_LINELEFT:
scrollX -= infoPtr->uItemHeight;
break;
case SB_LINERIGHT:
scrollX += infoPtr->uItemHeight;
break;
case SB_PAGELEFT:
scrollX -= infoPtr->clientWidth;
break;
case SB_PAGERIGHT:
scrollX += infoPtr->clientWidth;
break;
case SB_THUMBTRACK:
case SB_THUMBPOSITION:
scrollX = (int)(SHORT)HIWORD(wParam);
break;
case SB_ENDSCROLL:
return 0;
}
if (scrollX > maxWidth)
scrollX = maxWidth;
else if (scrollX < 0)
scrollX = 0;
scroll:
if (scrollX != infoPtr->scrollX)
{
TREEVIEW_ITEM *item;
LONG scroll_pixels = infoPtr->scrollX - scrollX;
for (item = infoPtr->root->firstChild; item != NULL;
item = TREEVIEW_GetNextListItem(infoPtr, item))
{
item->linesOffset += scroll_pixels;
item->stateOffset += scroll_pixels;
item->imageOffset += scroll_pixels;
item->textOffset += scroll_pixels;
}
ScrollWindow(infoPtr->hwnd, scroll_pixels, 0, NULL, NULL);
infoPtr->scrollX = scrollX;
UpdateWindow(infoPtr->hwnd);
}
if (nScrollCode != SB_THUMBTRACK)
SetScrollPos(infoPtr->hwnd, SB_HORZ, scrollX, TRUE);
return 0;
}
static LRESULT
TREEVIEW_MouseWheel(TREEVIEW_INFO *infoPtr, WPARAM wParam)
{
short gcWheelDelta;
UINT pulScrollLines = 3;
if (infoPtr->firstVisible == NULL)
return TRUE;
SystemParametersInfoW(SPI_GETWHEELSCROLLLINES, 0, &pulScrollLines, 0);
gcWheelDelta = -(short)HIWORD(wParam);
pulScrollLines *= (gcWheelDelta / WHEEL_DELTA);
if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
{
int newDy = infoPtr->firstVisible->visibleOrder + pulScrollLines;
int maxDy = infoPtr->maxVisibleOrder;
if (newDy > maxDy)
newDy = maxDy;
if (newDy < 0)
newDy = 0;
TREEVIEW_VScroll(infoPtr, MAKEWPARAM(SB_THUMBPOSITION, newDy));
}
return TRUE;
}
/* Create/Destroy *******************************************************/
static LRESULT
TREEVIEW_Create(HWND hwnd)
{
RECT rcClient;
TREEVIEW_INFO *infoPtr;
TRACE("wnd %p, style %lx\n", hwnd, GetWindowLongA(hwnd, GWL_STYLE));
infoPtr = (TREEVIEW_INFO *)COMCTL32_Alloc(sizeof(TREEVIEW_INFO));
if (infoPtr == NULL)
{
ERR("could not allocate info memory!\n");
return 0;
}
SetWindowLongA(hwnd, 0, (DWORD)infoPtr);
infoPtr->hwnd = hwnd;
infoPtr->dwStyle = GetWindowLongA(hwnd, GWL_STYLE);
infoPtr->uInternalStatus = 0;
infoPtr->Timer = 0;
infoPtr->uNumItems = 0;
infoPtr->cdmode = 0;
infoPtr->uScrollTime = 300; /* milliseconds */
infoPtr->bRedraw = TRUE;
GetClientRect(hwnd, &rcClient);
/* No scroll bars yet. */
infoPtr->clientWidth = rcClient.right;
infoPtr->clientHeight = rcClient.bottom;
infoPtr->treeWidth = 0;
infoPtr->treeHeight = 0;
infoPtr->uIndent = 19;
infoPtr->selectedItem = 0;
infoPtr->focusedItem = 0;
/* hotItem? */
infoPtr->firstVisible = 0;
infoPtr->maxVisibleOrder = 0;
infoPtr->dropItem = 0;
infoPtr->insertMarkItem = 0;
infoPtr->insertBeforeorAfter = 0;
/* dragList */
infoPtr->scrollX = 0;
infoPtr->clrBk = GetSysColor(COLOR_WINDOW);
infoPtr->clrText = -1; /* use system color */
infoPtr->clrLine = RGB(128, 128, 128);
infoPtr->clrInsertMark = GetSysColor(COLOR_BTNTEXT);
/* hwndToolTip */
infoPtr->hwndEdit = 0;
infoPtr->wpEditOrig = NULL;
infoPtr->bIgnoreEditKillFocus = FALSE;
infoPtr->bLabelChanged = FALSE;
infoPtr->himlNormal = NULL;
infoPtr->himlState = NULL;
infoPtr->normalImageWidth = 0;
infoPtr->normalImageHeight = 0;
infoPtr->stateImageWidth = 0;
infoPtr->stateImageHeight = 0;
infoPtr->items = DPA_Create(16);
infoPtr->hFont = GetStockObject(DEFAULT_GUI_FONT);
infoPtr->hBoldFont = TREEVIEW_CreateBoldFont(infoPtr->hFont);
infoPtr->uItemHeight = TREEVIEW_NaturalHeight(infoPtr);
infoPtr->root = TREEVIEW_AllocateItem(infoPtr);
infoPtr->root->state = TVIS_EXPANDED;
infoPtr->root->iLevel = -1;
infoPtr->root->visibleOrder = -1;
infoPtr->hwndNotify = GetParent(hwnd);
#if 0
infoPtr->bTransparent = ( GetWindowLongA( hwnd, GWL_STYLE) & TBSTYLE_FLAT);
#endif
infoPtr->hwndToolTip = 0;
infoPtr->bUnicode = IsWindowUnicode (hwnd);
/* Determine what type of notify should be issued */
/* sets infoPtr->bNtfUnicode */
TREEVIEW_NotifyFormat(infoPtr, infoPtr->hwndNotify, NF_REQUERY);
if (!(infoPtr->dwStyle & TVS_NOTOOLTIPS))
infoPtr->hwndToolTip = COMCTL32_CreateToolTip(hwnd);
if (infoPtr->dwStyle & TVS_CHECKBOXES)
{
RECT rc;
HBITMAP hbm, hbmOld;
HDC hdc;
int nIndex;
infoPtr->himlState =
ImageList_Create(16, 16, ILC_COLOR | ILC_MASK, 3, 0);
hdc = CreateCompatibleDC(0);
hbm = CreateCompatibleBitmap(hdc, 48, 16);
hbmOld = SelectObject(hdc, hbm);
rc.left = 0; rc.top = 0;
rc.right = 48; rc.bottom = 16;
FillRect(hdc, &rc, (HBRUSH)(COLOR_WINDOW+1));
rc.left = 18; rc.top = 2;
rc.right = 30; rc.bottom = 14;
DrawFrameControl(hdc, &rc, DFC_BUTTON,
DFCS_BUTTONCHECK|DFCS_FLAT);
rc.left = 34; rc.right = 46;
DrawFrameControl(hdc, &rc, DFC_BUTTON,
DFCS_BUTTONCHECK|DFCS_FLAT|DFCS_CHECKED);
nIndex = ImageList_AddMasked(infoPtr->himlState, hbm,
GetSysColor(COLOR_WINDOW));
TRACE("chckbox index %d\n", nIndex);
SelectObject(hdc, hbmOld);
DeleteObject(hbm);
DeleteDC(hdc);
infoPtr->stateImageWidth = 16;
infoPtr->stateImageHeight = 16;
}
return 0;
}
static LRESULT
TREEVIEW_Destroy(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
TREEVIEW_RemoveTree(infoPtr);
/* tool tip is automatically destroyed: we are its owner */
/* Restore original wndproc */
if (infoPtr->hwndEdit)
SetWindowLongA(infoPtr->hwndEdit, GWL_WNDPROC,
(LONG)infoPtr->wpEditOrig);
/* Deassociate treeview from the window before doing anything drastic. */
SetWindowLongA(infoPtr->hwnd, 0, (LONG)NULL);
DeleteObject(infoPtr->hBoldFont);
COMCTL32_Free(infoPtr);
return 0;
}
/* Miscellaneous Messages ***********************************************/
static LRESULT
TREEVIEW_ScrollKeyDown(TREEVIEW_INFO *infoPtr, WPARAM key)
{
static const struct
{
unsigned char code;
}
scroll[] =
{
#define SCROLL_ENTRY(dir, code) { ((dir) << 7) | (code) }
SCROLL_ENTRY(SB_VERT, SB_PAGEUP), /* VK_PRIOR */
SCROLL_ENTRY(SB_VERT, SB_PAGEDOWN), /* VK_NEXT */
SCROLL_ENTRY(SB_VERT, SB_BOTTOM), /* VK_END */
SCROLL_ENTRY(SB_VERT, SB_TOP), /* VK_HOME */
SCROLL_ENTRY(SB_HORZ, SB_LINEUP), /* VK_LEFT */
SCROLL_ENTRY(SB_VERT, SB_LINEUP), /* VK_UP */
SCROLL_ENTRY(SB_HORZ, SB_LINEDOWN), /* VK_RIGHT */
SCROLL_ENTRY(SB_VERT, SB_LINEDOWN) /* VK_DOWN */
#undef SCROLL_ENTRY
};
if (key >= VK_PRIOR && key <= VK_DOWN)
{
unsigned char code = scroll[key - VK_PRIOR].code;
(((code & (1 << 7)) == (SB_HORZ << 7))
? TREEVIEW_HScroll
: TREEVIEW_VScroll)(infoPtr, code & 0x7F);
}
return 0;
}
/************************************************************************
* TREEVIEW_KeyDown
*
* VK_UP Move selection to the previous non-hidden item.
* VK_DOWN Move selection to the next non-hidden item.
* VK_HOME Move selection to the first item.
* VK_END Move selection to the last item.
* VK_LEFT If expanded then collapse, otherwise move to parent.
* VK_RIGHT If collapsed then expand, otherwise move to first child.
* VK_ADD Expand.
* VK_SUBTRACT Collapse.
* VK_MULTIPLY Expand all.
* VK_PRIOR Move up GetVisibleCount items.
* VK_NEXT Move down GetVisibleCount items.
* VK_BACK Move to parent.
* CTRL-Left,Right,Up,Down,PgUp,PgDown,Home,End: Scroll without changing selection
*/
static LRESULT
TREEVIEW_KeyDown(TREEVIEW_INFO *infoPtr, WPARAM wParam)
{
/* If it is non-NULL and different, it will be selected and visible. */
TREEVIEW_ITEM *newSelection = NULL;
TREEVIEW_ITEM *prevItem = infoPtr->selectedItem;
TRACE("%x\n", wParam);
if (prevItem == NULL)
return FALSE;
if (GetAsyncKeyState(VK_CONTROL) & 0x8000)
return TREEVIEW_ScrollKeyDown(infoPtr, wParam);
switch (wParam)
{
case VK_UP:
newSelection = TREEVIEW_GetPrevListItem(infoPtr, prevItem);
if (!newSelection)
newSelection = infoPtr->root->firstChild;
break;
case VK_DOWN:
newSelection = TREEVIEW_GetNextListItem(infoPtr, prevItem);
break;
case VK_HOME:
newSelection = infoPtr->root->firstChild;
break;
case VK_END:
newSelection = TREEVIEW_GetLastListItem(infoPtr, infoPtr->root);
break;
case VK_LEFT:
if (prevItem->state & TVIS_EXPANDED)
{
TREEVIEW_Collapse(infoPtr, prevItem, FALSE, TRUE);
}
else if (prevItem->parent != infoPtr->root)
{
newSelection = prevItem->parent;
}
break;
case VK_RIGHT:
if (TREEVIEW_HasChildren(infoPtr, prevItem))
{
if (!(prevItem->state & TVIS_EXPANDED))
TREEVIEW_Expand(infoPtr, prevItem, FALSE, TRUE);
else
{
newSelection = prevItem->firstChild;
}
}
break;
case VK_MULTIPLY:
TREEVIEW_ExpandAll(infoPtr, prevItem);
break;
case VK_ADD:
if (!(prevItem->state & TVIS_EXPANDED))
TREEVIEW_Expand(infoPtr, prevItem, FALSE, TRUE);
break;
case VK_SUBTRACT:
if (prevItem->state & TVIS_EXPANDED)
TREEVIEW_Collapse(infoPtr, prevItem, FALSE, TRUE);
break;
case VK_PRIOR:
newSelection
= TREEVIEW_GetListItem(infoPtr, prevItem,
-TREEVIEW_GetVisibleCount(infoPtr));
break;
case VK_NEXT:
newSelection
= TREEVIEW_GetListItem(infoPtr, prevItem,
TREEVIEW_GetVisibleCount(infoPtr));
break;
case VK_BACK:
newSelection = prevItem->parent;
if (newSelection == infoPtr->root)
newSelection = NULL;
break;
case VK_SPACE:
if (infoPtr->dwStyle & TVS_CHECKBOXES)
TREEVIEW_ToggleItemState(infoPtr, prevItem);
break;
}
if (newSelection && newSelection != prevItem)
{
if (TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, newSelection,
TVC_BYKEYBOARD))
{
TREEVIEW_EnsureVisible(infoPtr, newSelection, FALSE);
}
}
return FALSE;
}
static LRESULT
TREEVIEW_Notify(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
LPNMHDR lpnmh = (LPNMHDR)lParam;
if (lpnmh->code == PGN_CALCSIZE) {
LPNMPGCALCSIZE lppgc = (LPNMPGCALCSIZE)lParam;
if (lppgc->dwFlag == PGF_CALCWIDTH) {
lppgc->iWidth = infoPtr->treeWidth;
TRACE("got PGN_CALCSIZE, returning horz size = %ld, client=%ld\n",
infoPtr->treeWidth, infoPtr->clientWidth);
}
else {
lppgc->iHeight = infoPtr->treeHeight;
TRACE("got PGN_CALCSIZE, returning vert size = %ld, client=%ld\n",
infoPtr->treeHeight, infoPtr->clientHeight);
}
return 0;
}
return DefWindowProcA(infoPtr->hwnd, WM_NOTIFY, wParam, lParam);
}
static INT TREEVIEW_NotifyFormat (TREEVIEW_INFO *infoPtr, HWND hwndFrom, UINT nCommand)
{
INT format;
TRACE("(hwndFrom=%p, nCommand=%d)\n", hwndFrom, nCommand);
if (nCommand != NF_REQUERY) return 0;
format = SendMessageW(hwndFrom, WM_NOTIFYFORMAT, (WPARAM)infoPtr->hwnd, NF_QUERY);
TRACE("format=%d\n", format);
if (format != NFR_ANSI && format != NFR_UNICODE) return 0;
infoPtr->bNtfUnicode = (format == NFR_UNICODE);
return format;
}
static LRESULT
TREEVIEW_Size(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
if (wParam == SIZE_RESTORED)
{
infoPtr->clientWidth = SLOWORD(lParam);
infoPtr->clientHeight = SHIWORD(lParam);
TREEVIEW_RecalculateVisibleOrder(infoPtr, NULL);
TREEVIEW_SetFirstVisible(infoPtr, infoPtr->firstVisible, TRUE);
TREEVIEW_UpdateScrollBars(infoPtr);
}
else
{
FIXME("WM_SIZE flag %x %lx not handled\n", wParam, lParam);
}
TREEVIEW_Invalidate(infoPtr, NULL);
return 0;
}
static LRESULT
TREEVIEW_StyleChanged(TREEVIEW_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
{
TRACE("(%x %lx)\n", wParam, lParam);
if (wParam == GWL_STYLE)
{
DWORD dwNewStyle = ((LPSTYLESTRUCT)lParam)->styleNew;
/* we have to take special care about tooltips */
if ((infoPtr->dwStyle ^ dwNewStyle) & TVS_NOTOOLTIPS)
{
if (infoPtr->dwStyle & TVS_NOTOOLTIPS)
{
infoPtr->hwndToolTip = COMCTL32_CreateToolTip(infoPtr->hwnd);
TRACE("\n");
}
else
{
DestroyWindow(infoPtr->hwndToolTip);
infoPtr->hwndToolTip = 0;
}
}
infoPtr->dwStyle = dwNewStyle;
}
TREEVIEW_UpdateSubTree(infoPtr, infoPtr->root);
TREEVIEW_UpdateScrollBars(infoPtr);
TREEVIEW_Invalidate(infoPtr, NULL);
return 0;
}
static LRESULT
TREEVIEW_SetFocus(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
if (!infoPtr->selectedItem)
{
TREEVIEW_DoSelectItem(infoPtr, TVGN_CARET, infoPtr->firstVisible,
TVC_UNKNOWN);
}
TREEVIEW_SendSimpleNotify(infoPtr, NM_SETFOCUS);
TREEVIEW_Invalidate(infoPtr, infoPtr->selectedItem);
return 0;
}
static LRESULT
TREEVIEW_KillFocus(TREEVIEW_INFO *infoPtr)
{
TRACE("\n");
TREEVIEW_SendSimpleNotify(infoPtr, NM_KILLFOCUS);
TREEVIEW_Invalidate(infoPtr, infoPtr->selectedItem);
return 0;
}
static LRESULT WINAPI
TREEVIEW_WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
TREEVIEW_INFO *infoPtr = TREEVIEW_GetInfoPtr(hwnd);
if (infoPtr) TREEVIEW_VerifyTree(infoPtr);
else
{
if (uMsg == WM_CREATE)
TREEVIEW_Create(hwnd);
else
goto def;
}
switch (uMsg)
{
case TVM_CREATEDRAGIMAGE:
return TREEVIEW_CreateDragImage(infoPtr, wParam, lParam);
case TVM_DELETEITEM:
return TREEVIEW_DeleteItem(infoPtr, (HTREEITEM)lParam);
case TVM_EDITLABELA:
return (LRESULT)TREEVIEW_EditLabelA(infoPtr, (HTREEITEM)lParam);
case TVM_EDITLABELW:
FIXME("Unimplemented msg TVM_EDITLABELW\n");
return 0;
case TVM_ENDEDITLABELNOW:
return TREEVIEW_EndEditLabelNow(infoPtr, (BOOL)wParam);
case TVM_ENSUREVISIBLE:
return TREEVIEW_EnsureVisible(infoPtr, (HTREEITEM)lParam, TRUE);
case TVM_EXPAND:
return TREEVIEW_ExpandMsg(infoPtr, (UINT)wParam, (HTREEITEM)lParam);
case TVM_GETBKCOLOR:
return TREEVIEW_GetBkColor(infoPtr);
case TVM_GETCOUNT:
return TREEVIEW_GetCount(infoPtr);
case TVM_GETEDITCONTROL:
return TREEVIEW_GetEditControl(infoPtr);
case TVM_GETIMAGELIST:
return TREEVIEW_GetImageList(infoPtr, wParam);
case TVM_GETINDENT:
return TREEVIEW_GetIndent(infoPtr);
case TVM_GETINSERTMARKCOLOR:
return TREEVIEW_GetInsertMarkColor(infoPtr);
case TVM_GETISEARCHSTRINGA:
FIXME("Unimplemented msg TVM_GETISEARCHSTRINGA\n");
return 0;
case TVM_GETISEARCHSTRINGW:
FIXME("Unimplemented msg TVM_GETISEARCHSTRINGW\n");
return 0;
case TVM_GETITEMA:
return TREEVIEW_GetItemA(infoPtr, (LPTVITEMEXA)lParam);
case TVM_GETITEMW:
return TREEVIEW_GetItemW(infoPtr, (LPTVITEMEXW)lParam);
case TVM_GETITEMHEIGHT:
return TREEVIEW_GetItemHeight(infoPtr);
case TVM_GETITEMRECT:
return TREEVIEW_GetItemRect(infoPtr, (BOOL)wParam, (LPRECT)lParam);
case TVM_GETITEMSTATE:
return TREEVIEW_GetItemState(infoPtr, (HTREEITEM)wParam, (UINT)lParam);
case TVM_GETLINECOLOR:
return TREEVIEW_GetLineColor(infoPtr);
case TVM_GETNEXTITEM:
return TREEVIEW_GetNextItem(infoPtr, (UINT)wParam, (HTREEITEM)lParam);
case TVM_GETSCROLLTIME:
return TREEVIEW_GetScrollTime(infoPtr);
case TVM_GETTEXTCOLOR:
return TREEVIEW_GetTextColor(infoPtr);
case TVM_GETTOOLTIPS:
return TREEVIEW_GetToolTips(infoPtr);
case TVM_GETUNICODEFORMAT:
FIXME("Unimplemented msg TVM_GETUNICODEFORMAT\n");
return 0;
case TVM_GETVISIBLECOUNT:
return TREEVIEW_GetVisibleCount(infoPtr);
case TVM_HITTEST:
return TREEVIEW_HitTest(infoPtr, (LPTVHITTESTINFO)lParam);
case TVM_INSERTITEMA:
return TREEVIEW_InsertItemA(infoPtr, lParam);
case TVM_INSERTITEMW:
return TREEVIEW_InsertItemW(infoPtr, lParam);
case TVM_SELECTITEM:
return TREEVIEW_SelectItem(infoPtr, (INT)wParam, (HTREEITEM)lParam);
case TVM_SETBKCOLOR:
return TREEVIEW_SetBkColor(infoPtr, (COLORREF)lParam);
case TVM_SETIMAGELIST:
return TREEVIEW_SetImageList(infoPtr, wParam, (HIMAGELIST)lParam);
case TVM_SETINDENT:
return TREEVIEW_SetIndent(infoPtr, (UINT)wParam);
case TVM_SETINSERTMARK:
return TREEVIEW_SetInsertMark(infoPtr, (BOOL)wParam, (HTREEITEM)lParam);
case TVM_SETINSERTMARKCOLOR:
return TREEVIEW_SetInsertMarkColor(infoPtr, (COLORREF)lParam);
case TVM_SETITEMA:
return TREEVIEW_SetItemA(infoPtr, (LPTVITEMEXA)lParam);
case TVM_SETITEMW:
return TREEVIEW_SetItemW(infoPtr, (LPTVITEMEXW)lParam);
return 0;
case TVM_SETLINECOLOR:
return TREEVIEW_SetLineColor(infoPtr, (COLORREF)lParam);
case TVM_SETITEMHEIGHT:
return TREEVIEW_SetItemHeight(infoPtr, (INT)(SHORT)wParam);
case TVM_SETSCROLLTIME:
return TREEVIEW_SetScrollTime(infoPtr, (UINT)wParam);
case TVM_SETTEXTCOLOR:
return TREEVIEW_SetTextColor(infoPtr, (COLORREF)lParam);
case TVM_SETTOOLTIPS:
return TREEVIEW_SetToolTips(infoPtr, (HWND)wParam);
case TVM_SETUNICODEFORMAT:
FIXME("Unimplemented msg TVM_SETUNICODEFORMAT\n");
return 0;
case TVM_SORTCHILDREN:
return TREEVIEW_SortChildren(infoPtr, wParam, lParam);
case TVM_SORTCHILDRENCB:
return TREEVIEW_SortChildrenCB(infoPtr, wParam, (LPTVSORTCB)lParam);
case WM_CHAR:
return TREEVIEW_ProcessLetterKeys( hwnd, wParam, lParam );
case WM_COMMAND:
return TREEVIEW_Command(infoPtr, wParam, lParam);
case WM_DESTROY:
return TREEVIEW_Destroy(infoPtr);
/* WM_ENABLE */
case WM_ERASEBKGND:
return TREEVIEW_EraseBackground(infoPtr, (HDC)wParam);
case WM_GETDLGCODE:
return DLGC_WANTARROWS | DLGC_WANTCHARS;
case WM_GETFONT:
return TREEVIEW_GetFont(infoPtr);
case WM_HSCROLL:
return TREEVIEW_HScroll(infoPtr, wParam);
case WM_KEYDOWN:
return TREEVIEW_KeyDown(infoPtr, wParam);
case WM_KILLFOCUS:
return TREEVIEW_KillFocus(infoPtr);
case WM_LBUTTONDBLCLK:
return TREEVIEW_LButtonDoubleClick(infoPtr, lParam);
case WM_LBUTTONDOWN:
return TREEVIEW_LButtonDown(infoPtr, lParam);
/* WM_MBUTTONDOWN */
/* WM_MOUSEMOVE */
case WM_NOTIFY:
return TREEVIEW_Notify(infoPtr, wParam, lParam);
case WM_NOTIFYFORMAT:
return TREEVIEW_NotifyFormat(infoPtr, (HWND)wParam, (UINT)lParam);
case WM_PAINT:
return TREEVIEW_Paint(infoPtr, wParam);
/* WM_PRINTCLIENT */
case WM_RBUTTONDOWN:
return TREEVIEW_RButtonDown(infoPtr, lParam);
case WM_SETFOCUS:
return TREEVIEW_SetFocus(infoPtr);
case WM_SETFONT:
return TREEVIEW_SetFont(infoPtr, (HFONT)wParam, (BOOL)lParam);
case WM_SETREDRAW:
return TREEVIEW_SetRedraw(infoPtr, wParam, lParam);
case WM_SIZE:
return TREEVIEW_Size(infoPtr, wParam, lParam);
case WM_STYLECHANGED:
return TREEVIEW_StyleChanged(infoPtr, wParam, lParam);
/* WM_SYSCOLORCHANGE */
/* WM_SYSKEYDOWN */
case WM_TIMER:
return TREEVIEW_HandleTimer(infoPtr, wParam);
case WM_VSCROLL:
return TREEVIEW_VScroll(infoPtr, wParam);
/* WM_WININICHANGE */
case WM_MOUSEWHEEL:
if (wParam & (MK_SHIFT | MK_CONTROL))
goto def;
return TREEVIEW_MouseWheel(infoPtr, wParam);
case WM_DRAWITEM:
TRACE("drawItem\n");
goto def;
default:
/* This mostly catches MFC and Delphi messages. :( */
if ((uMsg >= WM_USER) && (uMsg < WM_APP))
TRACE("Unknown msg %04x wp=%08x lp=%08lx\n", uMsg, wParam, lParam);
def:
return DefWindowProcA(hwnd, uMsg, wParam, lParam);
}
return 0;
}
/* Class Registration ***************************************************/
VOID
TREEVIEW_Register(void)
{
WNDCLASSA wndClass;
TRACE("\n");
ZeroMemory(&wndClass, sizeof(WNDCLASSA));
wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
wndClass.lpfnWndProc = (WNDPROC)TREEVIEW_WindowProc;
wndClass.cbClsExtra = 0;
wndClass.cbWndExtra = sizeof(TREEVIEW_INFO *);
wndClass.hCursor = LoadCursorA(0, IDC_ARROWA);
wndClass.hbrBackground = 0;
wndClass.lpszClassName = WC_TREEVIEWA;
RegisterClassA(&wndClass);
}
VOID
TREEVIEW_Unregister(void)
{
UnregisterClassA(WC_TREEVIEWA, NULL);
}
/* Tree Verification ****************************************************/
#ifdef NDEBUG
static inline void
TREEVIEW_VerifyChildren(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item);
static inline void TREEVIEW_VerifyItemCommon(TREEVIEW_INFO *infoPtr,
TREEVIEW_ITEM *item)
{
assert(infoPtr != NULL);
assert(item != NULL);
/* both NULL, or both non-null */
assert((item->firstChild == NULL) == (item->lastChild == NULL));
assert(item->firstChild != item);
assert(item->lastChild != item);
if (item->firstChild)
{
assert(item->firstChild->parent == item);
assert(item->firstChild->prevSibling == NULL);
}
if (item->lastChild)
{
assert(item->lastChild->parent == item);
assert(item->lastChild->nextSibling == NULL);
}
assert(item->nextSibling != item);
if (item->nextSibling)
{
assert(item->nextSibling->parent == item->parent);
assert(item->nextSibling->prevSibling == item);
}
assert(item->prevSibling != item);
if (item->prevSibling)
{
assert(item->prevSibling->parent == item->parent);
assert(item->prevSibling->nextSibling == item);
}
}
static inline void
TREEVIEW_VerifyItem(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
assert(item != NULL);
assert(item->parent != NULL);
assert(item->parent != item);
assert(item->iLevel == item->parent->iLevel + 1);
assert(DPA_GetPtrIndex(infoPtr->items, item) != -1);
TREEVIEW_VerifyItemCommon(infoPtr, item);
TREEVIEW_VerifyChildren(infoPtr, item);
}
static inline void
TREEVIEW_VerifyChildren(TREEVIEW_INFO *infoPtr, TREEVIEW_ITEM *item)
{
TREEVIEW_ITEM *child;
assert(item != NULL);
for (child = item->firstChild; child != NULL; child = child->nextSibling)
TREEVIEW_VerifyItem(infoPtr, child);
}
static inline void
TREEVIEW_VerifyRoot(TREEVIEW_INFO *infoPtr)
{
TREEVIEW_ITEM *root = infoPtr->root;
assert(root != NULL);
assert(root->iLevel == -1);
assert(root->parent == NULL);
assert(root->prevSibling == NULL);
TREEVIEW_VerifyItemCommon(infoPtr, root);
TREEVIEW_VerifyChildren(infoPtr, root);
}
static void
TREEVIEW_VerifyTree(TREEVIEW_INFO *infoPtr)
{
assert(infoPtr != NULL);
TREEVIEW_VerifyRoot(infoPtr);
}
#endif
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